Exemplo n.º 1
0
    def make_toolbar(self):
        toolbarbox = ToolbarBox()
        self.set_toolbar_box(toolbarbox)

        toolbar = toolbarbox.toolbar

        button = ActivityToolbarButton(self)
        toolbar.insert(button, -1)

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar.insert(separator, -1)

        button = ToolButton("save-colors")
        button.set_tooltip(_("Save colors"))
        button.connect("clicked", self._save_colors)
        toolbar.insert(button, -1)

        button = StopButton(self)
        toolbar.insert(button, -1)
class FractionBounceActivity(activity.Activity):
    def __init__(self, handle):
        ''' Initiate activity. '''
        super(FractionBounceActivity, self).__init__(handle)

        self.nick = profile.get_nick_name()
        if profile.get_color() is not None:
            self._colors = profile.get_color().to_string().split(',')
        else:
            self._colors = ['#A0FFA0', '#FF8080']

        self.max_participants = 4  # sharing
        self._playing = True

        self._setup_toolbars()
        self._setup_dispatch_table()
        canvas = self._setup_canvas()

        # Read any custom fractions from the project metadata
        if 'custom' in self.metadata:
            custom = self.metadata['custom']
        else:
            custom = None

        self._current_ball = 'soccerball'

        self._toolbar_was_expanded = False

        # Initialize the canvas
        self._bounce_window = Bounce(canvas, activity.get_bundle_path(), self)

        Gdk.Screen.get_default().connect('size-changed', self._configure_cb)

        # Restore any custom fractions
        if custom is not None:
            fractions = custom.split(',')
            for f in fractions:
                self._bounce_window.add_fraction(f)

        if self.shared_activity:
            # We're joining
            if not self.get_shared():
                xocolors = XoColor(profile.get_color().to_string())
                share_icon = Icon(icon_name='zoom-neighborhood',
                                  xo_color=xocolors)
                self._joined_alert = NotifyAlert()
                self._joined_alert.props.icon = share_icon
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Starting connection...')
                self._joined_alert.connect('response', self._alert_cancel_cb)
                self.add_alert(self._joined_alert)

                self._label.set_label(_('Wait for the sharer to start.'))

                # Wait for joined signal
                self.connect("joined", self._joined_cb)

        self._setup_sharing()

    def _configure_cb(self, event):
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
            self._label.set_label('')
            self._separator.set_expand(False)
        else:
            self._label.set_size_request(500, -1)
            self._separator.set_expand(True)

        self._bounce_window.configure_cb(event)
        if self._toolbar_expanded():
            self._bounce_window.bar.bump_bars('up')
            self._bounce_window.ball.ball.move_relative(
                (0, -style.GRID_CELL_SIZE))

    def _toolbar_expanded(self):
        if self._activity_button.is_expanded():
            return True
        elif self._custom_toolbar_button.is_expanded():
            return True
        return False

    def _update_graphics(self, widget):
        # We need to catch opening and closing of toolbars and ignore
        # switching between open toolbars.
        if self._toolbar_expanded():
            if not self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('up')
                self._bounce_window.ball.ball.move_relative(
                    (0, -style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = True
        else:
            if self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('down')
                self._bounce_window.ball.ball.move_relative(
                    (0, style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = False

    def _setup_toolbars(self):
        custom_toolbar = Gtk.Toolbar()
        toolbox = ToolbarBox()
        self._toolbar = toolbox.toolbar
        self._activity_button = ActivityToolbarButton(self)
        self._activity_button.connect('clicked', self._update_graphics)
        self._toolbar.insert(self._activity_button, 0)
        self._activity_button.show()

        self._custom_toolbar_button = ToolbarButton(label=_('Custom'),
                                                    page=custom_toolbar,
                                                    icon_name='view-source')
        self._custom_toolbar_button.connect('clicked', self._update_graphics)
        custom_toolbar.show()
        self._toolbar.insert(self._custom_toolbar_button, -1)
        self._custom_toolbar_button.show()

        self._load_standard_buttons(self._toolbar)

        self._separator = Gtk.SeparatorToolItem()
        self._separator.props.draw = False
        self._separator.set_expand(True)
        self._toolbar.insert(self._separator, -1)
        self._separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = _('<Ctrl>Q')
        self._toolbar.insert(stop_button, -1)
        stop_button.show()
        self.set_toolbar_box(toolbox)
        toolbox.show()

        self._load_custom_buttons(custom_toolbar)

    def _load_standard_buttons(self, toolbar):
        fraction_button = RadioToolButton(group=None)
        fraction_button.set_icon_name('fraction')
        fraction_button.set_tooltip(_('fractions'))
        fraction_button.connect('clicked', self._fraction_cb)
        toolbar.insert(fraction_button, -1)
        fraction_button.show()

        sector_button = RadioToolButton(group=fraction_button)
        sector_button.set_icon_name('sector')
        sector_button.set_tooltip(_('sectors'))
        sector_button.connect('clicked', self._sector_cb)
        toolbar.insert(sector_button, -1)
        sector_button.show()

        percent_button = RadioToolButton(group=fraction_button)
        percent_button.set_icon_name('percent')
        percent_button.set_tooltip(_('percents'))
        percent_button.connect('clicked', self._percent_cb)
        toolbar.insert(percent_button, -1)
        percent_button.show()

        self._player = Gtk.Image()
        self._player.set_from_pixbuf(
            svg_str_to_pixbuf(
                generate_xo_svg(scale=0.8, colors=['#282828', '#282828'])))
        self._player.set_tooltip_text(self.nick)
        toolitem = Gtk.ToolItem()
        toolitem.add(self._player)
        self._player.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self._label = Gtk.Label(_("Click the ball to start."))
        self._label.set_line_wrap(True)
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
        else:
            self._label.set_size_request(500, -1)
        self.toolitem = Gtk.ToolItem()
        self.toolitem.add(self._label)
        self._label.show()
        toolbar.insert(self.toolitem, -1)
        self.toolitem.show()

    def _load_custom_buttons(self, toolbar):
        self.numerator = Gtk.Entry()
        self.numerator.set_text('')
        self.numerator.set_tooltip_text(_('numerator'))
        self.numerator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.numerator)
        self.numerator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        label = Gtk.Label('   /   ')
        toolitem = Gtk.ToolItem()
        toolitem.add(label)
        label.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self.denominator = Gtk.Entry()
        self.denominator.set_text('')
        self.denominator.set_tooltip_text(_('denominator'))
        self.denominator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.denominator)
        self.denominator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        button = ToolButton('list-add')
        button.set_tooltip(_('add new fraction'))
        button.props.sensitive = True
        button.props.accelerator = 'Return'
        button.connect('clicked', self._add_fraction_cb)
        toolbar.insert(button, -1)
        button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(False)
        toolbar.insert(separator, -1)
        separator.show()

        button = ToolButton('soccerball')
        button.set_tooltip(_('choose a ball'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._ball_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for ball in BALLDICT.keys():
            if ball == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(ball)
            button.connect('clicked', self._load_ball_cb, None, ball)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_ball_cb, ball)
            label = Gtk.Label(BALLDICT[ball][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._ball_palette.set_content(button_grid)
        button_grid.show()

        button = ToolButton('insert-picture')
        button.set_tooltip(_('choose a background'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._bg_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for bg in BGDICT.keys():
            if bg == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(bg)
            button.connect('clicked', self._load_bg_cb, None, bg)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_bg_cb, bg)
            label = Gtk.Label(BGDICT[bg][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._bg_palette.set_content(button_grid)
        button_grid.show()

    def _button_palette_cb(self, button):
        palette = button.get_palette()
        if palette:
            if not palette.is_up():
                palette.popup(immediate=True, state=palette.SECONDARY)
            else:
                palette.popdown(immediate=True)

    def can_close(self):
        # Let everyone know we are leaving...
        if hasattr(self, '_bounce_window') and \
           self._bounce_window.we_are_sharing():
            self._playing = False
            self.send_event('l|%s' % (json_dump([self.nick])))
        return True

    def _setup_canvas(self):
        canvas = Gtk.DrawingArea()
        canvas.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self.set_canvas(canvas)
        canvas.show()
        return canvas

    def _load_bg_cb(self, widget, event, bg):
        if bg == 'custom':
            chooser(self, 'Image', self._new_background_from_journal)
        else:
            self._bounce_window.set_background(BGDICT[bg][1])

    def _load_ball_cb(self, widget, event, ball):
        if ball == 'custom':
            chooser(self, 'Image', self._new_ball_from_journal)
        else:
            self._bounce_window.ball.new_ball(
                os.path.join(activity.get_bundle_path(), 'images',
                             ball + '.svg'))
            self._bounce_window.set_background(BGDICT[BALLDICT[ball][1]][1])
        self._current_ball = ball

    def _reset_ball(self):
        ''' If we switch back from sector mode, we need to restore the ball '''
        if self._bounce_window.mode != 'sectors':
            return

        if self._current_ball == 'custom':  # TODO: Reload custom ball
            self._current_ball = 'soccerball'
        self._bounce_window.ball.new_ball(
            os.path.join(activity.get_bundle_path(), 'images',
                         self._current_ball + '.svg'))

    def _new_ball_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.ball.new_ball_from_image(
            dsobject.file_path,
            os.path.join(activity.get_activity_root(), 'tmp', 'custom.png'))

    def _new_background_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.new_background_from_image(None, dsobject=dsobject)

    def _fraction_cb(self, arg=None):
        ''' Set fraction mode '''
        self._reset_ball()
        self._bounce_window.mode = 'fractions'

    def _percent_cb(self, arg=None):
        ''' Set percent mode '''
        self._reset_ball()
        self._bounce_window.mode = 'percents'

    def _sector_cb(self, arg=None):
        ''' Set sector mode '''
        self._bounce_window.mode = 'sectors'

    def _add_fraction_cb(self, arg=None):
        ''' Read entries and add a fraction to the list '''
        try:
            numerator = int(self.numerator.get_text().strip())
        except ValueError:
            self.numerator.set_text('NAN')
            numerator = 0
        try:
            denominator = int(self.denominator.get_text().strip())
        except ValueError:
            self.denominator.set_text('NAN')
            denominator = 1
        if denominator == 0:
            self.denominator.set_text('ZDE')
        if numerator > denominator:
            numerator = 0
        if numerator > 0 and denominator > 1:
            fraction = '%d/%d' % (numerator, denominator)
            self._bounce_window.add_fraction(fraction)
            if 'custom' in self.metadata:  # Save to Journal
                self.metadata['custom'] = '%s,%s' % (self.metadata['custom'],
                                                     fraction)
            else:
                self.metadata['custom'] = fraction

            self.alert(
                _('New fraction'),
                _('Your fraction, %s, has been added to the program' %
                  (fraction)))

    def reset_label(self, label):
        ''' update the challenge label '''
        self._label.set_label(label)

    def alert(self, title, text=None):
        alert = NotifyAlert(timeout=5)
        alert.props.title = title
        alert.props.msg = text
        self.add_alert(alert)
        alert.connect('response', self._alert_cancel_cb)
        alert.show()

    def _alert_cancel_cb(self, alert, response_id):
        self.remove_alert(alert)

    # Collaboration-related methods

    def _setup_sharing(self):
        ''' Setup the Presence Service. '''
        self.pservice = presenceservice.get_instance()
        self.initiating = None  # sharing (True) or joining (False)

        owner = self.pservice.get_owner()
        self.owner = owner
        self._bounce_window.buddies.append(self.nick)
        self._player_colors = [self._colors]
        self._player_pixbufs = [
            svg_str_to_pixbuf(generate_xo_svg(scale=0.8, colors=self._colors))
        ]
        self._share = ''
        self.connect('shared', self._shared_cb)
        self.connect('joined', self._joined_cb)

    def _shared_cb(self, activity):
        ''' Either set up initial share...'''
        self._new_tube_common(True)

    def _joined_cb(self, activity):
        ''' ...or join an exisiting share. '''
        self._new_tube_common(False)

    def _new_tube_common(self, sharer):
        ''' Joining and sharing are mostly the same... '''
        if self.shared_activity is None:
            _logger.debug('Error: Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        self.initiating = sharer
        self.waiting_for_fraction = not sharer

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        if sharer:
            _logger.debug('This is my activity: making a tube...')
            id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
                SERVICE, {})

            self._label.set_label(_('Wait for others to join.'))
        else:
            _logger.debug('I am joining an activity: waiting for a tube...')
            self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
                reply_handler=self._list_tubes_reply_cb,
                error_handler=self._list_tubes_error_cb)

        # display your XO on the toolbar
        self._player.set_from_pixbuf(self._player_pixbufs[0])

    def _list_tubes_reply_cb(self, tubes):
        ''' Reply to a list request. '''
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    def _list_tubes_error_cb(self, e):
        ''' Log errors. '''
        _logger.debug('Error: ListTubes() failed: %s', e)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        ''' Create a new tube. '''
        _logger.debug(
            'Newtube: ID=%d initator=%d type=%d service=%s params=%r state=%d',
            id, initiator, type, service, params, state)

        if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
            if state == telepathy.TUBE_STATE_LOCAL_PENDING:
                self.tubes_chan[ \
                              telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)

            tube_conn = TubeConnection(self.conn,
                self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES], id, \
                group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])

            self.chattube = ChatTube(tube_conn, self.initiating, \
                self.event_received_cb)

            # Let the sharer know a new joiner has arrived.
            if self.waiting_for_fraction:
                self.send_event('j|%s' %
                                (json_dump([self.nick, self._colors])))

    def _setup_dispatch_table(self):
        self._processing_methods = {
            'j': [self._new_joiner, 'new joiner'],
            'b': [self._buddy_list, 'buddy list'],
            'f': [self._receive_a_fraction, 'receive a fraction'],
            't': [self._take_a_turn, 'take a turn'],
            'l': [self._buddy_left, 'buddy left']
        }

    def event_received_cb(self, event_message):
        ''' Data from a tube has arrived. '''
        if len(event_message) == 0:
            return
        try:
            command, payload = event_message.split('|', 2)
        except ValueError:
            _logger.debug('Could not split event message %s', event_message)
            return
        _logger.debug('received an event %s|%s', command, payload)
        if self._playing:
            self._processing_methods[command][0](payload)

    def _buddy_left(self, payload):
        [nick] = json_load(payload)
        self._label.set_label(nick + ' ' + _('has left.'))
        if self.initiating:
            self._remove_player(nick)
            payload = json_dump(
                [self._bounce_window.buddies, self._player_colors])
            self.send_event('b|%s' % (payload))
            # Restart from sharer's turn
            self._bounce_window.its_my_turn()

    def _new_joiner(self, payload):
        ''' Someone has joined; sharer adds them to the buddy list. '''
        [nick, colors] = json_load(payload)
        self._label.set_label(nick + ' ' + _('has joined.'))
        if self.initiating:
            self._append_player(nick, colors)
            payload = json_dump(
                [self._bounce_window.buddies, self._player_colors])
            self.send_event('b|%s' % (payload))
            if self._bounce_window.count == 0:  # Haven't started yet...
                self._bounce_window.its_my_turn()

    def _remove_player(self, nick):
        if nick in self._bounce_window.buddies:
            i = self._bounce_window.buddies.index(nick)
            self._bounce_window.buddies.remove(nick)
            self._player_colors.remove(self._player_colors[i])
            self._player_pixbufs.remove(self._player_pixbufs[i])

    def _append_player(self, nick, colors):
        ''' Keep a list of players, their colors, and an XO pixbuf '''
        if not nick in self._bounce_window.buddies:
            _logger.debug('appending %s to the buddy list', nick)
            self._bounce_window.buddies.append(nick)
            self._player_colors.append([str(colors[0]), str(colors[1])])
            self._player_pixbufs.append(
                svg_str_to_pixbuf(
                    generate_xo_svg(scale=0.8,
                                    colors=self._player_colors[-1])))

    def _buddy_list(self, payload):
        '''Sharer sent the updated buddy list, so regenerate internal lists'''
        if not self.initiating:
            [buddies, colors] = json_load(payload)
            self._bounce_window.buddies = buddies[:]
            self._player_colors = colors[:]
            self._player_pixbufs = []
            for colors in self._player_colors:
                self._player_pixbufs.append(
                    svg_str_to_pixbuf(
                        generate_xo_svg(
                            scale=0.8, colors=[str(colors[0]),
                                               str(colors[1])])))

    def send_a_fraction(self, fraction):
        ''' Send a fraction to other players. '''
        payload = json_dump(fraction)
        self.send_event('f|%s' % (payload))

    def _receive_a_fraction(self, payload):
        ''' Receive a fraction from another player. '''
        fraction = json_load(payload)
        self._bounce_window.play_a_fraction(fraction)

    def _take_a_turn(self, nick):
        ''' If it is your turn, take it, otherwise, wait. '''
        if nick == self.nick:
            self._bounce_window.its_my_turn()
        else:
            self._bounce_window.its_their_turn(nick)

    def send_event(self, entry):
        ''' Send event through the tube. '''
        _logger.debug('sending event: %s', entry)
        if hasattr(self, 'chattube') and self.chattube is not None:
            self.chattube.SendText(entry)

    def set_player_on_toolbar(self, nick):
        ''' Display the XO icon of the player whose turn it is. '''
        self._player.set_from_pixbuf(
            self._player_pixbufs[self._bounce_window.buddies.index(nick)])
        self._player.set_tooltip_text(nick)
class FractionBounceActivity(activity.Activity):
    def __init__(self, handle):
        ''' Initiate activity. '''
        super(FractionBounceActivity, self).__init__(handle)

        self.nick = profile.get_nick_name()
        if profile.get_color() is not None:
            self._colors = profile.get_color().to_string().split(',')
        else:
            self._colors = ['#A0FFA0', '#FF8080']

        self.max_participants = 4  # sharing
        self._playing = True

        self._setup_toolbars()
        canvas = self._setup_canvas()

        # Read any custom fractions from the project metadata
        if 'custom' in self.metadata:
            custom = self.metadata['custom']
        else:
            custom = None

        self._current_ball = 'soccerball'

        self._toolbar_was_expanded = False

        # Initialize the canvas
        self._bounce_window = Bounce(canvas, activity.get_bundle_path(), self)

        Gdk.Screen.get_default().connect('size-changed', self._configure_cb)

        # Restore any custom fractions
        if custom is not None:
            fractions = custom.split(',')
            for f in fractions:
                self._bounce_window.add_fraction(f)

        self._bounce_window.buddies.append(self.nick)
        self._player_colors = [self._colors]
        self._player_pixbufs = [
            svg_str_to_pixbuf(generate_xo_svg(scale=0.8, colors=self._colors))
        ]

        def on_activity_joined_cb(me):
            logging.debug('activity joined')
            self._player.set_from_pixbuf(self._player_pixbufs[0])

        self.connect('joined', on_activity_joined_cb)

        def on_activity_shared_cb(me):
            logging.debug('activity shared')
            self._player.set_from_pixbuf(self._player_pixbufs[0])
            self._label.set_label(_('Wait for others to join.'))

        self.connect('shared', on_activity_shared_cb)

        self._collab = CollabWrapper(self)

        if self.shared_activity:
            # We're joining
            if not self.get_shared():
                self._label.set_label(_('Wait for the sharer to start.'))

        actions = {
            'j': self._new_joiner,
            'b': self._buddy_list,
            'f': self._receive_a_fraction,
            't': self._take_a_turn,
            'l': self._buddy_left,
        }

        def on_message_cb(collab, buddy, msg):
            logging.debug('on_message_cb buddy %r msg %r' % (buddy, msg))
            if self._playing:
                actions[msg.get('action')](msg.get('data'))

        self._collab.connect('message', on_message_cb)

        def on_joined_cb(collab, msg):
            logging.debug('joined')
            self.send_event('j', [self.nick, self._colors])

        self._collab.connect('joined', on_joined_cb, 'joined')

        def on_buddy_joined_cb(collab, buddy, msg):
            logging.debug('on_buddy_joined_cb buddy %r' % (buddy.props.nick))

        self._collab.connect('buddy_joined', on_buddy_joined_cb,
                             'buddy_joined')

        def on_buddy_left_cb(collab, buddy, msg):
            logging.debug('on_buddy_left_cb buddy %r' % (buddy.props.nick))

        self._collab.connect('buddy_left', on_buddy_left_cb, 'buddy_left')

        self._collab.setup()

    def set_data(self, blob):
        pass

    def get_data(self):
        return None

    def close(self, **kwargs):
        aplay.close()
        activity.Activity.close(self, **kwargs)

    def _configure_cb(self, event):
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
            self._label.set_label('')
            self._separator.set_expand(False)
        else:
            self._label.set_size_request(500, -1)
            self._separator.set_expand(True)

        self._bounce_window.configure_cb(event)
        if self._toolbar_expanded():
            self._bounce_window.bar.bump_bars('up')
            self._bounce_window.ball.ball.move_relative(
                (0, -style.GRID_CELL_SIZE))

    def _toolbar_expanded(self):
        if self._activity_button.is_expanded():
            return True
        elif self._custom_toolbar_button.is_expanded():
            return True
        return False

    def _update_graphics(self, widget):
        # We need to catch opening and closing of toolbars and ignore
        # switching between open toolbars.
        if self._toolbar_expanded():
            if not self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('up')
                self._bounce_window.ball.ball.move_relative(
                    (0, -style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = True
        else:
            if self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('down')
                self._bounce_window.ball.ball.move_relative(
                    (0, style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = False

    def _setup_toolbars(self):
        custom_toolbar = Gtk.Toolbar()
        toolbox = ToolbarBox()
        self._toolbar = toolbox.toolbar
        self._activity_button = ActivityToolbarButton(self)
        self._activity_button.connect('clicked', self._update_graphics)
        self._toolbar.insert(self._activity_button, 0)
        self._activity_button.show()

        self._custom_toolbar_button = ToolbarButton(label=_('Custom'),
                                                    page=custom_toolbar,
                                                    icon_name='view-source')
        self._custom_toolbar_button.connect('clicked', self._update_graphics)
        custom_toolbar.show()
        self._toolbar.insert(self._custom_toolbar_button, -1)
        self._custom_toolbar_button.show()

        self._load_standard_buttons(self._toolbar)

        self._separator = Gtk.SeparatorToolItem()
        self._separator.props.draw = False
        self._separator.set_expand(True)
        self._toolbar.insert(self._separator, -1)
        self._separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = _('<Ctrl>Q')
        self._toolbar.insert(stop_button, -1)
        stop_button.show()
        self.set_toolbar_box(toolbox)
        toolbox.show()

        self._load_custom_buttons(custom_toolbar)

    def _load_standard_buttons(self, toolbar):
        fraction_button = RadioToolButton(group=None)
        fraction_button.set_icon_name('fraction')
        fraction_button.set_tooltip(_('fractions'))
        fraction_button.connect('clicked', self._fraction_cb)
        toolbar.insert(fraction_button, -1)
        fraction_button.show()

        sector_button = RadioToolButton(group=fraction_button)
        sector_button.set_icon_name('sector')
        sector_button.set_tooltip(_('sectors'))
        sector_button.connect('clicked', self._sector_cb)
        toolbar.insert(sector_button, -1)
        sector_button.show()

        percent_button = RadioToolButton(group=fraction_button)
        percent_button.set_icon_name('percent')
        percent_button.set_tooltip(_('percents'))
        percent_button.connect('clicked', self._percent_cb)
        toolbar.insert(percent_button, -1)
        percent_button.show()

        self._player = Gtk.Image()
        self._player.set_from_pixbuf(
            svg_str_to_pixbuf(
                generate_xo_svg(scale=0.8, colors=['#282828', '#282828'])))
        self._player.set_tooltip_text(self.nick)
        toolitem = Gtk.ToolItem()
        toolitem.add(self._player)
        self._player.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self._label = Gtk.Label(_("Click the ball to start."))
        self._label.set_line_wrap(True)
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
        else:
            self._label.set_size_request(500, -1)
        self.toolitem = Gtk.ToolItem()
        self.toolitem.add(self._label)
        self._label.show()
        toolbar.insert(self.toolitem, -1)
        self.toolitem.show()

    def _load_custom_buttons(self, toolbar):
        self.numerator = Gtk.Entry()
        self.numerator.set_text('')
        self.numerator.set_tooltip_text(_('numerator'))
        self.numerator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.numerator)
        self.numerator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        label = Gtk.Label('   /   ')
        toolitem = Gtk.ToolItem()
        toolitem.add(label)
        label.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self.denominator = Gtk.Entry()
        self.denominator.set_text('')
        self.denominator.set_tooltip_text(_('denominator'))
        self.denominator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.denominator)
        self.denominator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        button = ToolButton('list-add')
        button.set_tooltip(_('add new fraction'))
        button.props.sensitive = True
        button.props.accelerator = 'Return'
        button.connect('clicked', self._add_fraction_cb)
        toolbar.insert(button, -1)
        button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(False)
        toolbar.insert(separator, -1)
        separator.show()

        button = ToolButton('soccerball')
        button.set_tooltip(_('choose a ball'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._ball_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for ball in BALLDICT.keys():
            if ball == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(ball)
            button.connect('clicked', self._load_ball_cb, None, ball)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_ball_cb, ball)
            label = Gtk.Label(BALLDICT[ball][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._ball_palette.set_content(button_grid)
        button_grid.show()

        button = ToolButton('insert-picture')
        button.set_tooltip(_('choose a background'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._bg_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for bg in BGDICT.keys():
            if bg == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(bg)
            button.connect('clicked', self._load_bg_cb, None, bg)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_bg_cb, bg)
            label = Gtk.Label(BGDICT[bg][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._bg_palette.set_content(button_grid)
        button_grid.show()

    def _button_palette_cb(self, button):
        palette = button.get_palette()
        if palette:
            if not palette.is_up():
                palette.popup(immediate=True)
            else:
                palette.popdown(immediate=True)

    def can_close(self):
        # Let everyone know we are leaving...
        if hasattr(self, '_bounce_window') and \
           self._bounce_window.we_are_sharing():
            self._playing = False
            self.send_event('l', self.nick)
        return True

    def _setup_canvas(self):
        canvas = Gtk.DrawingArea()
        canvas.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self.set_canvas(canvas)
        canvas.show()
        return canvas

    def _load_bg_cb(self, widget, event, bg):
        if bg == 'custom':
            chooser(self, 'Image', self._new_background_from_journal)
        else:
            self._bounce_window.set_background(BGDICT[bg][1])

    def _load_ball_cb(self, widget, event, ball):
        if ball == 'custom':
            chooser(self, 'Image', self._new_ball_from_journal)
        else:
            self._bounce_window.ball.new_ball(
                os.path.join(activity.get_bundle_path(), 'images',
                             ball + '.svg'))
            self._bounce_window.set_background(BGDICT[BALLDICT[ball][1]][1])
        self._current_ball = ball

    def _reset_ball(self):
        ''' If we switch back from sector mode, we need to restore the ball '''
        if self._bounce_window.mode != 'sectors':
            return

        if self._current_ball == 'custom':  # TODO: Reload custom ball
            self._current_ball = 'soccerball'
        self._bounce_window.ball.new_ball(
            os.path.join(activity.get_bundle_path(), 'images',
                         self._current_ball + '.svg'))

    def _new_ball_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.ball.new_ball_from_image(
            dsobject.file_path,
            os.path.join(activity.get_activity_root(), 'tmp', 'custom.png'))

    def _new_background_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.new_background_from_image(None, dsobject=dsobject)

    def _fraction_cb(self, arg=None):
        ''' Set fraction mode '''
        self._reset_ball()
        self._bounce_window.mode = 'fractions'

    def _percent_cb(self, arg=None):
        ''' Set percent mode '''
        self._reset_ball()
        self._bounce_window.mode = 'percents'

    def _sector_cb(self, arg=None):
        ''' Set sector mode '''
        self._bounce_window.mode = 'sectors'

    def _add_fraction_cb(self, arg=None):
        ''' Read entries and add a fraction to the list '''
        try:
            numerator = int(self.numerator.get_text().strip())
        except ValueError:
            self.numerator.set_text('NAN')
            numerator = 0
        try:
            denominator = int(self.denominator.get_text().strip())
        except ValueError:
            self.denominator.set_text('NAN')
            denominator = 1
        if denominator == 0:
            self.denominator.set_text('ZDE')
        if numerator > denominator:
            numerator = 0
        if numerator > 0 and denominator > 1:
            fraction = '%d/%d' % (numerator, denominator)
            self._bounce_window.add_fraction(fraction)
            if 'custom' in self.metadata:  # Save to Journal
                self.metadata['custom'] = '%s,%s' % (self.metadata['custom'],
                                                     fraction)
            else:
                self.metadata['custom'] = fraction

            self.alert(
                _('New fraction'),
                _('Your fraction, %s, has been added to the program' %
                  (fraction)))

    def reset_label(self, label):
        ''' update the challenge label '''
        self._label.set_label(label)

    def alert(self, title, text=None):
        alert = NotifyAlert(timeout=5)
        alert.props.title = title
        alert.props.msg = text
        self.add_alert(alert)
        alert.connect('response', self._alert_cancel_cb)
        alert.show()

    def _alert_cancel_cb(self, alert, response_id):
        self.remove_alert(alert)

    # Collaboration-related methods

    def _buddy_left(self, nick):
        self._label.set_label(nick + ' ' + _('has left.'))
        if self._collab.props.leader:
            self._remove_player(nick)
            self.send_event('b',
                            [self._bounce_window.buddies, self._player_colors])
            # Restart from sharer's turn
            self._bounce_window.its_my_turn()

    def _new_joiner(self, payload):
        ''' Someone has joined; sharer adds them to the buddy list. '''
        [nick, colors] = payload
        self._label.set_label(nick + ' ' + _('has joined.'))
        if self._collab.props.leader:
            self._append_player(nick, colors)
            self.send_event('b',
                            [self._bounce_window.buddies, self._player_colors])
            if self._bounce_window.count == 0:  # Haven't started yet...
                self._bounce_window.its_my_turn()

    def _remove_player(self, nick):
        if nick in self._bounce_window.buddies:
            i = self._bounce_window.buddies.index(nick)
            self._bounce_window.buddies.remove(nick)
            self._player_colors.remove(self._player_colors[i])
            self._player_pixbufs.remove(self._player_pixbufs[i])

    def _append_player(self, nick, colors):
        ''' Keep a list of players, their colors, and an XO pixbuf '''
        if nick not in self._bounce_window.buddies:
            _logger.debug('appending %s to the buddy list', nick)
            self._bounce_window.buddies.append(nick)
            self._player_colors.append([str(colors[0]), str(colors[1])])
            self._player_pixbufs.append(
                svg_str_to_pixbuf(
                    generate_xo_svg(scale=0.8,
                                    colors=self._player_colors[-1])))

    def _buddy_list(self, payload):
        '''Sharer sent the updated buddy list, so regenerate internal lists'''
        if not self._collab.props.leader:
            [buddies, colors] = payload
            self._bounce_window.buddies = buddies[:]
            self._player_colors = colors[:]
            self._player_pixbufs = []
            for colors in self._player_colors:
                self._player_pixbufs.append(
                    svg_str_to_pixbuf(
                        generate_xo_svg(
                            scale=0.8, colors=[str(colors[0]),
                                               str(colors[1])])))

    def send_a_fraction(self, fraction):
        ''' Send a fraction to other players. '''
        self.send_event('f', fraction)

    def _receive_a_fraction(self, payload):
        ''' Receive a fraction from another player. '''
        self._bounce_window.play_a_fraction(payload)

    def _take_a_turn(self, nick):
        ''' If it is your turn, take it, otherwise, wait. '''
        if nick == self.nick:  # TODO: disambiguate
            self._bounce_window.its_my_turn()
        else:
            self._bounce_window.its_their_turn(nick)

    def send_event(self, action, data):
        ''' Send event through the tube. '''
        _logger.debug('send_event action=%r data=%r' % (action, data))
        self._collab.post({'action': action, 'data': data})

    def set_player_on_toolbar(self, nick):
        ''' Display the XO icon of the player whose turn it is. '''
        self._player.set_from_pixbuf(
            self._player_pixbufs[self._bounce_window.buddies.index(nick)])
        self._player.set_tooltip_text(nick)
Exemplo n.º 4
0
class ReflectActivity(activity.Activity):
    ''' An activity for reflecting on one's work '''
    def __init__(self, handle):
        ''' Initialize the toolbar '''
        try:
            super(ReflectActivity, self).__init__(handle)
        except dbus.exceptions.DBusException as e:
            _logger.error(str(e))

        logging.error('setting reflection data to []')
        self.reflection_data = []

        self.connect('realize', self.__realize_cb)

        self.font_size = 8

        self.max_participants = 4
        self._setup_toolbars()

        color = profile.get_color()
        color_stroke = color.get_stroke_color()
        color_fill = color.get_fill_color()

        lighter = utils.lighter_color([color_stroke, color_fill])
        darker = 1 - lighter

        if lighter == 0:
            self.bg_color = style.Color(color_stroke)
            self.fg_color = style.Color(color_fill)
        else:
            self.bg_color = style.Color(color_fill)
            self.fg_color = style.Color(color_stroke)

        self.modify_bg(Gtk.StateType.NORMAL, self.bg_color.get_gdk_color())

        self.bundle_path = activity.get_bundle_path()
        self.tmp_path = os.path.join(activity.get_activity_root(), 'instance')

        self.sharing = False
        self._copy_entry = None
        self._paste_entry = None
        self._webkit = None
        self._clipboard_text = ''
        self._fixed = None

        self.initiating = True
        if self.shared_activity:
            # We're joining
            if not self.get_shared():
                self.initiating = False

                self.busy_cursor()
                share_icon = Icon(icon_name='zoom-neighborhood')
                self._joined_alert = Alert()
                self._joined_alert.props.icon = share_icon
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Starting connection...')
                self.add_alert(self._joined_alert)

                # Wait for joined signal
                self.connect("joined", self._joined_cb)

        self._open_reflect_windows()

        self._setup_presence_service()

        # Joiners wait to receive data from sharer
        # Otherwise, load reflections from local store
        if not self.shared_activity:
            self.busy_cursor()
            GObject.idle_add(self._load_reflections)

    def read_file(self, file_path):
        fd = open(file_path, 'r')
        data = fd.read()
        fd.close()
        self.reflection_data = json.loads(data)

    def write_file(self, file_path):
        data = json.dumps(self.reflection_data)
        fd = open(file_path, 'w')
        fd.write(data)
        fd.close()

        self.metadata['font_size'] = str(self.font_size)

    def _load_reflections(self):
        self._find_starred()
        self._reflect_window.load(self.reflection_data)
        self.reset_cursor()

    def _found_obj_id(self, obj_id):
        for item in self.reflection_data:
            if 'obj_id' in item and item['obj_id'] == obj_id:
                return True
        return False

    def reload_data(self, data):
        ''' Reload data after sorting or searching '''
        self._reflection_data = data[:]
        self._reflect_window.reload(self._reflection_data)
        self.reset_scrolled_window_adjustments()

    def _find_starred(self):
        ''' Find all the _stars in the Journal. '''
        self.dsobjects, self._nobjects = datastore.find({'keep': '1'})
        for dsobj in self.dsobjects:
            if self._found_obj_id(dsobj.object_id):
                continue  # Already have this object -- TODO: update it
            self._add_new_from_journal(dsobj)

    def _add_new_from_journal(self, dsobj):
        self.reflection_data.append({
            'title': _('Untitled'),
            'obj_id': dsobj.object_id
        })
        if hasattr(dsobj, 'metadata'):
            if 'creation_time' in dsobj.metadata:
                self.reflection_data[-1]['creation_time'] = \
                    dsobj.metadata['creation_time']
            else:
                self.reflection_data[-1]['creation_time'] = \
                    int(time.time())
            if 'timestamp' in dsobj.metadata:
                self.reflection_data[-1]['modification_time'] = \
                    dsobj.metadata['timestamp']
            else:
                self.reflection_data[-1]['modification_time'] = \
                    self.reflection_data[-1]['creation_time']
            if 'activity' in dsobj.metadata:
                self.reflection_data[-1]['activities'] = \
                    [utils.bundle_id_to_icon(dsobj.metadata['activity'])]
            if 'title' in dsobj.metadata:
                self.reflection_data[-1]['title'] = \
                    dsobj.metadata['title']
            if 'description' in dsobj.metadata:
                self.reflection_data[-1]['content'] = \
                    [{'text': dsobj.metadata['description']}]
            else:
                self.reflection_data[-1]['content'] = []
            if 'tags' in dsobj.metadata:
                self.reflection_data[-1]['tags'] = []
                tags = dsobj.metadata['tags'].split()
                for tag in tags:
                    if tag[0] != '#':
                        self.reflection_data[-1]['tags'].append('#' + tag)
                    else:
                        self.reflection_data[-1]['tags'].append(tag)
            if 'comments' in dsobj.metadata:
                try:
                    comments = json.loads(dsobj.metadata['comments'])
                except BaseException:
                    comments = []
                self.reflection_data[-1]['comments'] = []
                for comment in comments:
                    try:
                        data = {
                            'nick': comment['from'],
                            'comment': comment['message']
                        }
                        if 'icon-color' in comment:
                            colors = comment['icon-color'].split(',')
                            darker = 1 - utils.lighter_color(colors)
                            data['color'] = colors[darker]
                        else:
                            data['color'] = '#000000'
                        self.reflection_data[-1]['comments'].append(data)
                    except BaseException:
                        _logger.debug('could not parse comment %s' % comment)
            if 'mime_type' in dsobj.metadata and \
               dsobj.metadata['mime_type'][0:5] == 'image':
                new_path = os.path.join(self.tmp_path, dsobj.object_id)
                try:
                    shutil.copy(dsobj.file_path, new_path)
                except Exception as e:
                    logging.error("Couldn't copy %s to %s: %s" %
                                  (dsobj.file_path, new_path, e))
                self.reflection_data[-1]['content'].append({'image': new_path})
            elif 'preview' in dsobj.metadata:
                pixbuf = utils.get_pixbuf_from_journal(dsobj, 300, 225)
                if pixbuf is not None:
                    path = os.path.join(self.tmp_path,
                                        dsobj.object_id + '.png')
                    utils.save_pixbuf_to_file(pixbuf, path)
                    self.reflection_data[-1]['content'].append({'image': path})
            self.reflection_data[-1]['stars'] = 0

    def delete_item(self, obj_id):
        for i, obj in enumerate(self.reflection_data):
            if obj['obj_id'] == obj_id:
                self.reflection_data.remove(self.reflection_data[i])
                return

    def busy_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))

    def reset_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR))

    def _open_reflect_windows(self):
        # Most things need only be done once
        if self._fixed is None:
            self._fixed = Gtk.Fixed()
            self._fixed.set_size_request(Gdk.Screen.width(),
                                         Gdk.Screen.height())

            # Offsets from the bottom of the screen
            dy1 = 2 * style.GRID_CELL_SIZE
            dy2 = 1 * style.GRID_CELL_SIZE

            self._button_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._button_area.set_size_request(Gdk.Screen.width(),
                                               style.GRID_CELL_SIZE)
            self._fixed.put(self._button_area, 0, 0)
            self._button_area.show()

            self._scrolled_window = Gtk.ScrolledWindow()
            self._scrolled_window.set_size_request(Gdk.Screen.width(),
                                                   Gdk.Screen.height() - dy1)
            self._set_scroll_policy()
            self._graphics_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._scrolled_window.add_with_viewport(self._graphics_area)
            self._graphics_area.show()
            self._fixed.put(self._scrolled_window, 0, dy2)
            self._scrolled_window.show()

            self._overlay_window = Gtk.ScrolledWindow()
            self._overlay_window.set_size_request(style.GRID_CELL_SIZE * 10,
                                                  style.GRID_CELL_SIZE * 6)
            self._overlay_window.modify_bg(Gtk.StateType.NORMAL,
                                           style.COLOR_WHITE.get_gdk_color())
            self._overlay_window.set_policy(Gtk.PolicyType.NEVER,
                                            Gtk.PolicyType.AUTOMATIC)
            self._overlay_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._overlay_window.add_with_viewport(self._overlay_area)
            self._overlay_area.show()
            x = int((Gdk.Screen.width() - style.GRID_CELL_SIZE * 10) / 2)
            self._fixed.put(self._overlay_window, 0, Gdk.Screen.height())
            self._overlay_window.show()
            self._old_overlay_widget = None

            self._reflect_window = ReflectWindow(self)
            self._reflect_window.show()

            Gdk.Screen.get_default().connect('size-changed',
                                             self._configure_cb)
            self._toolbox.connect('hide', self._resize_hide_cb)
            self._toolbox.connect('show', self._resize_show_cb)

            self._reflect_window.set_events(Gdk.EventMask.KEY_PRESS_MASK)
            self._reflect_window.connect('key_press_event',
                                         self._reflect_window.keypress_cb)
            self._reflect_window.set_can_focus(True)
            self._reflect_window.grab_focus()

        self.set_canvas(self._fixed)
        self._fixed.show()

    def reset_scrolled_window_adjustments(self):
        adj = self._scrolled_window.get_hadjustment()
        if adj is not None:
            adj.set_value(0)
        adj = self._scrolled_window.get_vadjustment()
        if adj is not None:
            adj.set_value(0)

    def load_graphics_area(self, widget):
        self._graphics_area.add(widget)

    def load_button_area(self, widget):
        self._button_area.add(widget)

    def load_overlay_area(self, widget):
        if self._old_overlay_widget is not None:
            self._overlay_area.remove(self._old_overlay_widget)
        self._overlay_area.add(widget)
        self._old_overlay_widget = widget

    def show_overlay_area(self):
        x = int((Gdk.Screen.width() - style.GRID_CELL_SIZE * 10) / 2)
        self._fixed.move(self._overlay_window, x, style.GRID_CELL_SIZE)

    def hide_overlay_area(self):
        self._fixed.move(self._overlay_window, 0, Gdk.Screen.height())

    def collapse_overlay_area(self, button, event):
        self._fixed.move(self._overlay_window, 0, Gdk.Screen.height())

    def _resize_hide_cb(self, widget):
        self._resize_canvas(widget, True)

    def _resize_show_cb(self, widget):
        self._resize_canvas(widget, False)

    def _configure_cb(self, event):
        self._fixed.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self._set_scroll_policy()
        self._resize_canvas(None)
        self._reflect_window.reload_graphics()

    def _resize_canvas(self, widget, fullscreen=False):
        # When a toolbar is expanded or collapsed, resize the canvas
        if hasattr(self, '_reflect_window'):
            if self.toolbar_expanded():
                dy1 = 3 * style.GRID_CELL_SIZE
                dy2 = 2 * style.GRID_CELL_SIZE
            else:
                dy1 = 2 * style.GRID_CELL_SIZE
                dy2 = 1 * style.GRID_CELL_SIZE

            if fullscreen:
                dy1 -= 2 * style.GRID_CELL_SIZE
                dy2 -= 2 * style.GRID_CELL_SIZE

            self._scrolled_window.set_size_request(Gdk.Screen.width(),
                                                   Gdk.Screen.height() - dy2)
            self._fixed.move(self._button_area, 0, 0)

        self._about_panel_visible = False

    def toolbar_expanded(self):
        if self.activity_button.is_expanded():
            return True
        elif self.edit_toolbar_button.is_expanded():
            return True
        elif self.view_toolbar_button.is_expanded():
            return True
        return False

    def get_activity_version(self):
        info_path = os.path.join(self.bundle_path, 'activity', 'activity.info')
        try:
            info_file = open(info_path, 'r')
        except Exception as e:
            _logger.error('Could not open %s: %s' % (info_path, e))
            return 'unknown'

        cp = ConfigParser()
        cp.readfp(info_file)

        section = 'Activity'

        if cp.has_option(section, 'activity_version'):
            activity_version = cp.get(section, 'activity_version')
        else:
            activity_version = 'unknown'
        return activity_version

    def get_uid(self):
        if len(self.volume_data) == 1:
            return self.volume_data[0]['uid']
        else:
            return 'unknown'

    def _setup_toolbars(self):
        ''' Setup the toolbars. '''
        self._toolbox = ToolbarBox()

        self.activity_button = ActivityToolbarButton(self)
        self.activity_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.activity_button, 0)
        self.activity_button.show()

        self.set_toolbar_box(self._toolbox)
        self._toolbox.show()
        self.toolbar = self._toolbox.toolbar

        view_toolbar = Gtk.Toolbar()
        self.view_toolbar_button = ToolbarButton(page=view_toolbar,
                                                 label=_('View'),
                                                 icon_name='toolbar-view')
        self.view_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.view_toolbar_button, 1)
        view_toolbar.show()
        self.view_toolbar_button.show()

        button = ToolButton('view-fullscreen')
        button.set_tooltip(_('Fullscreen'))
        button.props.accelerator = '<Alt>Return'
        view_toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self._fullscreen_cb)

        edit_toolbar = Gtk.Toolbar()
        self.edit_toolbar_button = ToolbarButton(page=edit_toolbar,
                                                 label=_('Edit'),
                                                 icon_name='toolbar-edit')
        self.edit_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.edit_toolbar_button, 1)
        edit_toolbar.show()
        self.edit_toolbar_button.show()

        self._copy_button = ToolButton('edit-copy')
        self._copy_button.set_tooltip(_('Copy'))
        self._copy_button.props.accelerator = '<Ctrl>C'
        edit_toolbar.insert(self._copy_button, -1)
        self._copy_button.show()
        self._copy_button.connect('clicked', self._copy_cb)
        self._copy_button.set_sensitive(False)

        self._paste_button = ToolButton('edit-paste')
        self._paste_button.set_tooltip(_('Paste'))
        self._paste_button.props.accelerator = '<Ctrl>V'
        edit_toolbar.insert(self._paste_button, -1)
        self._paste_button.show()
        self._paste_button.connect('clicked', self._paste_cb)
        self._paste_button.set_sensitive(False)

        button = ToolButton('list-add')
        button.set_tooltip(_('Add Item'))
        button.props.accelerator = '<Ctrl>+'
        self._toolbox.toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self.__add_item_cb)

        self._date_button = RadioToolButton('date-sort', group=None)
        self._date_button.set_tooltip(_('Sort by Date'))
        self._date_button.connect('clicked', self._date_button_cb)
        self._toolbox.toolbar.insert(self._date_button, -1)
        self._date_button.show()

        self._title_button = RadioToolButton('title-sort',
                                             group=self._date_button)
        self._title_button.set_tooltip(_('Sort by Title'))
        self._title_button.connect('clicked', self._title_button_cb)
        self._toolbox.toolbar.insert(self._title_button, -1)
        self._title_button.show()

        self._stars_button = RadioToolButton('stars-sort',
                                             group=self._date_button)
        self._stars_button.set_tooltip(_('Sort by Favourite'))
        self._stars_button.connect('clicked', self._stars_button_cb)
        self._toolbox.toolbar.insert(self._stars_button, -1)
        self._stars_button.show()

        # setup the search options
        self._search_entry = iconentry.IconEntry()
        self._search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
                                              'system-search')
        self._search_entry.connect('activate', self._search_entry_activated_cb)
        self._search_entry.connect('changed', self._search_entry_changed_cb)
        self._search_entry.add_clear_button()

        tool_item = Gtk.ToolItem()
        tool_item.set_expand(True)
        tool_item.add(self._search_entry)
        self._search_entry.show()
        self._toolbox.toolbar.insert(tool_item, -1)
        tool_item.show()

        self._search_button = ToolButton('dialog-ok')
        self._search_button.set_tooltip(_('Search by Tags'))
        self._search_button.connect('clicked', self._search_button_cb)
        self._toolbox.toolbar.insert(self._search_button, -1)
        self._search_button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        self._toolbox.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = '<Ctrl>q'
        self._toolbox.toolbar.insert(stop_button, -1)
        stop_button.show()

    def _search_button_cb(self, button):
        self.busy_cursor()
        self._do_search()

    def _search_entry_activated_cb(self, entry):
        self.busy_cursor()
        self._do_search()

    def _do_search(self):
        logging.debug('_search_entry_activated_cb')
        if self._search_entry.props.text == '':
            logging.debug('clearing search')
            for item in self.reflection_data:
                item['hidden'] = False
        else:
            tags = self._search_entry.props.text.split()
            for i, tag in enumerate(tags):
                if not tag[0] == '#':
                    tags[i] = '#%s' % tag
            logging.error(tags)
            for item in self.reflection_data:
                hidden = True
                if 'tags' in item:
                    for tag in tags:
                        if tag in item['tags']:
                            hidden = False
                item['hidden'] = hidden
        self.reload_data(self.reflection_data)
        self.reset_cursor()

    def _search_entry_changed_cb(self, entry):
        logging.debug('_search_entry_changed_cb search for \'%s\'',
                      self._search_entry.props.text)
        self.busy_cursor()
        self._do_search_changed()

    def _do_search_changed(self):
        if self._search_entry.props.text == '':
            logging.debug('clearing search')
            for item in self.reflection_data:
                item['hidden'] = False
            self.reload_data(self.reflection_data)
        self.reset_cursor()

    def _title_button_cb(self, button):
        ''' sort by title '''
        self.busy_cursor()
        GObject.idle_add(self._title_sort)

    def _title_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: item['title'].lower())
        self.reload_data(sorted_data)
        self.reset_cursor()

    def _date_button_cb(self, button):
        ''' sort by modification date '''
        self.busy_cursor()
        GObject.idle_add(self._date_sort)

    def _date_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: int(item['modification_time']),
                             reverse=True)
        self.reload_data(sorted_data)
        self.reset_cursor()

    def _stars_button_cb(self, button):
        ''' sort by number of stars '''
        self.busy_cursor()
        GObject.idle_add(self._stars_sort)

    def _stars_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: item['stars'],
                             reverse=True)
        self.reload_data(sorted_data)
        self.reset_cursor()

    def __realize_cb(self, window):
        self.window_xid = window.get_window().get_xid()

    def set_copy_widget(self, webkit=None, text_entry=None):
        # Each task is responsible for setting a widget for copy
        if webkit is not None:
            self._webkit = webkit
        else:
            self._webkit = None
        if text_entry is not None:
            self._copy_entry = text_entry
        else:
            self._copy_entry = None

        self._copy_button.set_sensitive(webkit is not None
                                        or text_entry is not None)

    def _copy_cb(self, button):
        if self._copy_entry is not None:
            self._copy_entry.copy_clipboard()
        elif self._webkit is not None:
            self._webkit.copy_clipboard()
        else:
            _logger.debug('No widget set for copy.')

    def set_paste_widget(self, text_entry=None):
        # Each task is responsible for setting a widget for paste
        if text_entry is not None:
            self._paste_entry = text_entry
        self._paste_button.set_sensitive(text_entry is not None)

    def _paste_cb(self, button):
        clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
        self.clipboard_text = clipboard.wait_for_text()
        if self._paste_entry is not None:
            self._paste_entry.paste_clipboard()
        else:
            _logger.debug('No widget set for paste (%s).' %
                          self.clipboard_text)

    def _fullscreen_cb(self, button):
        ''' Hide the Sugar toolbars. '''
        self.fullscreen()

    def __add_item_cb(self, button):
        try:
            chooser = ObjectChooser(parent=self, what_filter=None)
        except TypeError:
            chooser = ObjectChooser(
                None, self._reflection.activity,
                Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT)

        try:
            result = chooser.run()
            if result == Gtk.ResponseType.ACCEPT:
                jobject = chooser.get_selected_object()
                if jobject:
                    self._add_new_from_journal(jobject)
                    self.reload_data(self.reflection_data)
        finally:
            chooser.destroy()
            del chooser

    def _set_scroll_policy(self):
        if Gdk.Screen.width() < Gdk.Screen.height():
            self._scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
                                             Gtk.PolicyType.AUTOMATIC)
        else:
            self._scrolled_window.set_policy(Gtk.PolicyType.NEVER,
                                             Gtk.PolicyType.AUTOMATIC)

    def _remove_alert_cb(self, alert, response_id):
        self.remove_alert(alert)

    def _close_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            self.close()

    def _setup_presence_service(self):
        ''' Setup the Presence Service. '''
        self.pservice = presenceservice.get_instance()

        owner = self.pservice.get_owner()
        self.owner = owner
        self._share = ''
        self.connect('shared', self._shared_cb)
        self.connect('joined', self._joined_cb)

    def _shared_cb(self, activity):
        ''' Either set up initial share...'''
        if self.shared_activity is None:
            _logger.error('Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        self.initiating = True
        self._waiting_for_reflections = False
        _logger.debug('I am sharing...')

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        _logger.debug('This is my activity: making a tube...')
        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
            SERVICE, {})

        self.sharing = True

    def _joined_cb(self, activity):
        ''' ...or join an exisiting share. '''
        if self.shared_activity is None:
            _logger.error('Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        if self._joined_alert is not None:
            self.remove_alert(self._joined_alert)
            self._joined_alert = None

        self.initiating = False
        self._waiting_for_reflections = True
        _logger.debug('I joined a shared activity.')

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        _logger.debug('I am joining an activity: waiting for a tube...')
        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
            reply_handler=self._list_tubes_reply_cb,
            error_handler=self._list_tubes_error_cb)

        self.sharing = True

    def _list_tubes_reply_cb(self, tubes):
        ''' Reply to a list request. '''
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    def _list_tubes_error_cb(self, e):
        ''' Log errors. '''
        _logger.error('ListTubes() failed: %s', e)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        ''' Create a new tube. '''
        _logger.debug(
            'New tube: ID=%d initator=%d type=%d service=%s '
            'params=%r state=%d', id, initiator, type, service, params, state)

        if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
            if state == telepathy.TUBE_STATE_LOCAL_PENDING:
                self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(
                    id)

            self.collab = CollabWrapper(self)
            self.collab.message.connect(self.event_received_cb)
            self.collab.setup()

            if self._waiting_for_reflections:
                self.send_event(JOIN_CMD, {})
                self._joined_alert = Alert()
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Requesting reflections...')
                self.add_alert(self._joined_alert)

    def event_received_cb(self, collab, buddy, msg):
        ''' Data is passed as tuples: cmd:text '''
        command = msg.get("command")
        payload = msg.get("payload")
        logging.debug(command)

        if command == JOIN_CMD:
            # Sharer needs to send reflections database to joiners.
            if self.initiating:
                # Send pictures first.
                for item in self.reflection_data:
                    if 'content' in item:
                        for content in item['content']:
                            if 'image' in content:
                                pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
                                    content['image'], 120, 90)
                                if pixbuf is not None:
                                    data = utils.pixbuf_to_base64(pixbuf)
                                self.send_event(
                                    PICTURE_CMD, {
                                        "image": os.path.basename(
                                            content['image']),
                                        "data": data
                                    })
                data = json.dumps(self.reflection_data)
                self.send_event(SHARE_CMD, {"data": data})
        elif command == NEW_REFLECTION_CMD:
            self._reflect_window.add_new_reflection(payload)
        elif command == TITLE_CMD:
            obj_id = payload.get("obj_id")
            title = payload.get("title")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_title(obj_id, title)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == TAG_CMD:
            obj_id = payload.get("obj_id")
            data = payload.get("data")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_tags(obj_id, data)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == ACTIVITY_CMD:
            obj_id = payload.get("obj_id")
            bundle_id = payload.get("bundle_id")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.insert_activity(obj_id, bundle_id)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == STAR_CMD:
            obj_id = payload.get("obj_id")
            stars = payload.get("stars")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_stars(obj_id, int(stars))
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == COMMENT_CMD:
            found_the_object = False
            # Receive a comment and associated reflection ID
            obj_id = payload.get("obj_id")
            nick = payload.get("nick")
            color = payload.get("color")
            comment = payload.get("comment")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if 'comments' not in item:
                        item['comments'] = []
                    data = {'nick': nick, 'comment': comment, 'color': color}
                    item['comments'].append(data)
                    self._reflect_window.insert_comment(obj_id, data)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == REFLECTION_CMD:
            found_the_object = False
            # Receive a reflection and associated reflection ID
            obj_id = payload.get("obj_id")
            reflection = payload.get("reflection")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if '' not in item:
                        item['content'] = []
                    item['content'].append({'text': reflection})
                    self._reflect_window.insert_reflection(obj_id, reflection)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == IMAGE_REFLECTION_CMD:
            found_the_object = False
            # Receive a picture reflection and associated reflection ID
            obj_id = payload.get("obj_id")
            basename = payload.get("basename")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if '' not in item:
                        item['content'] = []
                    item['content'].append(
                        {'image': os.path.join(self.tmp_path, basename)})
                    self._reflect_window.insert_picture(
                        obj_id, os.path.join(self.tmp_path, basename))
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == PICTURE_CMD:
            # Receive a picture (MAYBE DISPLAY IT AS IT ARRIVES?)
            basename = payload.get("basename")
            data = payload.get("data")
            utils.base64_to_file(data, os.path.join(self.tmp_path, basename))
        elif command == SHARE_CMD:
            # Joiner needs to load reflection database.
            if not self.initiating:
                # Note that pictures should be received.
                self.reflection_data = payload
                self._reflect_window.load(self.reflection_data)
                self._waiting_for_reflections = False
                self.reset_cursor()
                if self._joined_alert is not None:
                    self.remove_alert(self._joined_alert)
                    self._joined_alert = None

    def send_event(self, command, data):
        ''' Send event through the tube. '''
        if hasattr(self, 'collab') and self.collab is not None:
            data["command"] = command
            self.collab.post(data)
Exemplo n.º 5
0
class ReflectActivity(activity.Activity):
    ''' An activity for reflecting on one's work '''

    def __init__(self, handle):
        ''' Initialize the toolbar '''
        try:
            super(ReflectActivity, self).__init__(handle)
        except dbus.exceptions.DBusException as e:
            _logger.error(str(e))

        logging.error('setting reflection data to []')
        self.reflection_data = []

        self.connect('realize', self.__realize_cb)

        self.font_size = 8

        self.max_participants = 4
        self._setup_toolbars()

        color = profile.get_color()
        color_stroke = color.get_stroke_color()
        color_fill = color.get_fill_color()

        lighter = utils.lighter_color([color_stroke, color_fill])
        darker = 1 - lighter

        if lighter == 0:
            self.bg_color = style.Color(color_stroke)
            self.fg_color = style.Color(color_fill)
        else:
            self.bg_color = style.Color(color_fill)
            self.fg_color = style.Color(color_stroke)

        self.modify_bg(Gtk.StateType.NORMAL, self.bg_color.get_gdk_color())

        self.bundle_path = activity.get_bundle_path()
        self.tmp_path = os.path.join(activity.get_activity_root(), 'instance')

        self.sharing = False
        self._copy_entry = None
        self._paste_entry = None
        self._webkit = None
        self._clipboard_text = ''
        self._fixed = None

        self.initiating = True
        if self.shared_activity:
            # We're joining
            if not self.get_shared():
                self.initiating = False

                self.busy_cursor()
                share_icon = Icon(icon_name='zoom-neighborhood')
                self._joined_alert = Alert()
                self._joined_alert.props.icon = share_icon
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Starting connection...')
                self.add_alert(self._joined_alert)

                # Wait for joined signal
                self.connect("joined", self._joined_cb)

        self._open_reflect_windows()

        self._setup_presence_service()

        # Joiners wait to receive data from sharer
        # Otherwise, load reflections from local store
        if not self.shared_activity:
            self.busy_cursor()
            GObject.idle_add(self._load_reflections)

    def read_file(self, file_path):
        fd = open(file_path, 'r')
        data = fd.read()
        fd.close()
        self.reflection_data = json.loads(data)

    def write_file(self, file_path):
        data = json.dumps(self.reflection_data)
        fd = open(file_path, 'w')
        fd.write(data)
        fd.close()

        self.metadata['font_size'] = str(self.font_size)

    def _load_reflections(self):
        self._find_starred()
        self._reflect_window.load(self.reflection_data)
        self.reset_cursor()

    def _found_obj_id(self, obj_id):
        for item in self.reflection_data:
            if 'obj_id' in item and item['obj_id'] == obj_id:
                return True
        return False

    def reload_data(self, data):
        ''' Reload data after sorting or searching '''
        self._reflection_data = data[:]
        self._reflect_window.reload(self._reflection_data)
        self.reset_scrolled_window_adjustments()

    def _find_starred(self):
        ''' Find all the _stars in the Journal. '''
        self.dsobjects, self._nobjects = datastore.find({'keep': '1'})
        for dsobj in self.dsobjects:
            if self._found_obj_id(dsobj.object_id):
                continue  # Already have this object -- TODO: update it
            self._add_new_from_journal(dsobj)

    def _add_new_from_journal(self, dsobj):
        self.reflection_data.append({
            'title': _('Untitled'), 'obj_id': dsobj.object_id})
        if hasattr(dsobj, 'metadata'):
            if 'creation_time' in dsobj.metadata:
                self.reflection_data[-1]['creation_time'] = \
                    dsobj.metadata['creation_time']
            else:
                self.reflection_data[-1]['creation_time'] = \
                    int(time.time())
            if 'timestamp' in dsobj.metadata:
                self.reflection_data[-1]['modification_time'] = \
                    dsobj.metadata['timestamp']
            else:
                self.reflection_data[-1]['modification_time'] = \
                    self.reflection_data[-1]['creation_time']
            if 'activity' in dsobj.metadata:
                self.reflection_data[-1]['activities'] = \
                    [utils.bundle_id_to_icon(dsobj.metadata['activity'])]
            if 'title' in dsobj.metadata:
                self.reflection_data[-1]['title'] = \
                    dsobj.metadata['title']
            if 'description' in dsobj.metadata:
                self.reflection_data[-1]['content'] = \
                    [{'text': dsobj.metadata['description']}]
            else:
                self.reflection_data[-1]['content'] = []
            if 'tags' in dsobj.metadata:
                self.reflection_data[-1]['tags'] = []
                tags = dsobj.metadata['tags'].split()
                for tag in tags:
                    if tag[0] != '#':
                        self.reflection_data[-1]['tags'].append('#' + tag)
                    else:
                        self.reflection_data[-1]['tags'].append(tag)
            if 'comments' in dsobj.metadata:
                try:
                    comments = json.loads(dsobj.metadata['comments'])
                except:
                    comments = []
                self.reflection_data[-1]['comments'] = []
                for comment in comments:
                    try:
                        data = {'nick': comment['from'],
                                'comment': comment['message']}
                        if 'icon-color' in comment:
                            colors = comment['icon-color'].split(',')
                            darker = 1 - utils.lighter_color(colors)
                            data['color'] = colors[darker]
                        else:
                            data['color'] = '#000000'
                        self.reflection_data[-1]['comments'].append(data)
                    except:
                        _logger.debug('could not parse comment %s'
                                      % comment)
            if 'mime_type' in dsobj.metadata and \
               dsobj.metadata['mime_type'][0:5] == 'image':
                new_path = os.path.join(self.tmp_path,
                                        dsobj.object_id)
                try:
                    shutil.copy(dsobj.file_path, new_path)
                except Exception as e:
                    logging.error("Couldn't copy %s to %s: %s" %
                                  (dsobj.file_path, new_path, e))
                self.reflection_data[-1]['content'].append(
                    {'image': new_path})
            elif 'preview' in dsobj.metadata:
                pixbuf = utils.get_pixbuf_from_journal(dsobj, 300, 225)
                if pixbuf is not None:
                    path = os.path.join(self.tmp_path,
                                        dsobj.object_id + '.png')
                    utils.save_pixbuf_to_file(pixbuf, path)
                    self.reflection_data[-1]['content'].append(
                        {'image': path})
            self.reflection_data[-1]['stars'] = 0

    def delete_item(self, obj_id):
        for i, obj in enumerate(self.reflection_data):
            if obj['obj_id'] == obj_id:
                self.reflection_data.remove(self.reflection_data[i])
                return

    def busy_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))

    def reset_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR))

    def _open_reflect_windows(self):
        # Most things need only be done once
        if self._fixed is None:
            self._fixed = Gtk.Fixed()
            self._fixed.set_size_request(Gdk.Screen.width(),
                                         Gdk.Screen.height())

            # Offsets from the bottom of the screen
            dy1 = 2 * style.GRID_CELL_SIZE
            dy2 = 1 * style.GRID_CELL_SIZE

            self._button_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._button_area.set_size_request(Gdk.Screen.width(),
                                               style.GRID_CELL_SIZE)
            self._fixed.put(self._button_area, 0, 0)
            self._button_area.show()

            self._scrolled_window = Gtk.ScrolledWindow()
            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy1)
            self._set_scroll_policy()
            self._graphics_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._scrolled_window.add_with_viewport(self._graphics_area)
            self._graphics_area.show()
            self._fixed.put(self._scrolled_window, 0, dy2)
            self._scrolled_window.show()

            self._overlay_window = Gtk.ScrolledWindow()
            self._overlay_window.set_size_request(
                style.GRID_CELL_SIZE * 10,
                style.GRID_CELL_SIZE * 6)
            self._overlay_window.modify_bg(
                Gtk.StateType.NORMAL, style.COLOR_WHITE.get_gdk_color())
            self._overlay_window.set_policy(
                 Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
            self._overlay_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._overlay_window.add_with_viewport(self._overlay_area)
            self._overlay_area.show()
            x = int((Gdk.Screen.width() - style.GRID_CELL_SIZE * 10) / 2)
            self._fixed.put(self._overlay_window, 0, Gdk.Screen.height())
            self._overlay_window.show()
            self._old_overlay_widget = None

            self._reflect_window = ReflectWindow(self)
            self._reflect_window.show()

            Gdk.Screen.get_default().connect('size-changed',
                                             self._configure_cb)
            self._toolbox.connect('hide', self._resize_hide_cb)
            self._toolbox.connect('show', self._resize_show_cb)

            self._reflect_window.set_events(Gdk.EventMask.KEY_PRESS_MASK)
            self._reflect_window.connect('key_press_event',
                                      self._reflect_window.keypress_cb)
            self._reflect_window.set_can_focus(True)
            self._reflect_window.grab_focus()

        self.set_canvas(self._fixed)
        self._fixed.show()

    def reset_scrolled_window_adjustments(self):
        adj = self._scrolled_window.get_hadjustment()
        if adj is not None:
            adj.set_value(0)
        adj = self._scrolled_window.get_vadjustment()
        if adj is not None:
            adj.set_value(0)

    def load_graphics_area(self, widget):
        self._graphics_area.add(widget)

    def load_button_area(self, widget):
        self._button_area.add(widget)

    def load_overlay_area(self, widget):
        if self._old_overlay_widget is not None:
            self._overlay_area.remove(self._old_overlay_widget)
        self._overlay_area.add(widget)
        self._old_overlay_widget = widget

    def show_overlay_area(self):
        x = int((Gdk.Screen.width() - style.GRID_CELL_SIZE * 10) / 2)
        self._fixed.move(self._overlay_window, x, style.GRID_CELL_SIZE)

    def hide_overlay_area(self):
        self._fixed.move(
            self._overlay_window, 0, Gdk.Screen.height())

    def _resize_hide_cb(self, widget):
        self._resize_canvas(widget, True)

    def _resize_show_cb(self, widget):
        self._resize_canvas(widget, False)

    def _configure_cb(self, event):
        self._fixed.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self._set_scroll_policy()
        self._resize_canvas(None)
        self._reflect_window.reload_graphics()

    def _resize_canvas(self, widget, fullscreen=False):
        # When a toolbar is expanded or collapsed, resize the canvas
        if hasattr(self, '_reflect_window'):
            if self.toolbar_expanded():
                dy1 = 3 * style.GRID_CELL_SIZE
                dy2 = 2 * style.GRID_CELL_SIZE
            else:
                dy1 = 2 * style.GRID_CELL_SIZE
                dy2 = 1 * style.GRID_CELL_SIZE

            if fullscreen:
                dy1 -= 2 * style.GRID_CELL_SIZE
                dy2 -= 2 * style.GRID_CELL_SIZE

            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy2)
            self._fixed.move(self._button_area, 0, 0)

        self._about_panel_visible = False

    def toolbar_expanded(self):
        if self.activity_button.is_expanded():
            return True
        elif self.edit_toolbar_button.is_expanded():
            return True
        elif self.view_toolbar_button.is_expanded():
            return True
        return False

    def get_activity_version(self):
        info_path = os.path.join(self.bundle_path, 'activity', 'activity.info')
        try:
            info_file = open(info_path, 'r')
        except Exception as e:
            _logger.error('Could not open %s: %s' % (info_path, e))
            return 'unknown'

        cp = ConfigParser()
        cp.readfp(info_file)

        section = 'Activity'

        if cp.has_option(section, 'activity_version'):
            activity_version = cp.get(section, 'activity_version')
        else:
            activity_version = 'unknown'
        return activity_version

    def get_uid(self):
        if len(self.volume_data) == 1:
            return self.volume_data[0]['uid']
        else:
            return 'unknown'

    def _setup_toolbars(self):
        ''' Setup the toolbars. '''
        self._toolbox = ToolbarBox()

        self.activity_button = ActivityToolbarButton(self)
        self.activity_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.activity_button, 0)
        self.activity_button.show()

        self.set_toolbar_box(self._toolbox)
        self._toolbox.show()
        self.toolbar = self._toolbox.toolbar

        view_toolbar = Gtk.Toolbar()
        self.view_toolbar_button = ToolbarButton(
            page=view_toolbar,
            label=_('View'),
            icon_name='toolbar-view')
        self.view_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.view_toolbar_button, 1)
        view_toolbar.show()
        self.view_toolbar_button.show()

        button = ToolButton('view-fullscreen')
        button.set_tooltip(_('Fullscreen'))
        button.props.accelerator = '<Alt>Return'
        view_toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self._fullscreen_cb)

        edit_toolbar = Gtk.Toolbar()
        self.edit_toolbar_button = ToolbarButton(
            page=edit_toolbar,
            label=_('Edit'),
            icon_name='toolbar-edit')
        self.edit_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.edit_toolbar_button, 1)
        edit_toolbar.show()
        self.edit_toolbar_button.show()

        self._copy_button = ToolButton('edit-copy')
        self._copy_button.set_tooltip(_('Copy'))
        self._copy_button.props.accelerator = '<Ctrl>C'
        edit_toolbar.insert(self._copy_button, -1)
        self._copy_button.show()
        self._copy_button.connect('clicked', self._copy_cb)
        self._copy_button.set_sensitive(False)

        self._paste_button = ToolButton('edit-paste')
        self._paste_button.set_tooltip(_('Paste'))
        self._paste_button.props.accelerator = '<Ctrl>V'
        edit_toolbar.insert(self._paste_button, -1)
        self._paste_button.show()
        self._paste_button.connect('clicked', self._paste_cb)
        self._paste_button.set_sensitive(False)

        button = ToolButton('list-add')
        button.set_tooltip(_('Add Item'))
        button.props.accelerator = '<Ctrl>+'
        self._toolbox.toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self.__add_item_cb)

        self._date_button = RadioToolButton('date-sort', group=None)
        self._date_button.set_tooltip(_('Sort by Date'))
        self._date_button.connect('clicked', self._date_button_cb)
        self._toolbox.toolbar.insert(self._date_button, -1)
        self._date_button.show()

        self._title_button = RadioToolButton('title-sort',
                                             group=self._date_button)
        self._title_button.set_tooltip(_('Sort by Title'))
        self._title_button.connect('clicked', self._title_button_cb)
        self._toolbox.toolbar.insert(self._title_button, -1)
        self._title_button.show()

        self._stars_button = RadioToolButton('stars-sort',
                                             group=self._date_button)
        self._stars_button.set_tooltip(_('Sort by Favourite'))
        self._stars_button.connect('clicked', self._stars_button_cb)
        self._toolbox.toolbar.insert(self._stars_button, -1)
        self._stars_button.show()

        # setup the search options
        self._search_entry = iconentry.IconEntry()
        self._search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
                                              'system-search')
        self._search_entry.connect('activate', self._search_entry_activated_cb)
        self._search_entry.connect('changed', self._search_entry_changed_cb)
        self._search_entry.add_clear_button()

        tool_item = Gtk.ToolItem()
        tool_item.set_expand(True)
        tool_item.add(self._search_entry)
        self._search_entry.show()
        self._toolbox.toolbar.insert(tool_item, -1)
        tool_item.show()

        self._search_button = ToolButton('dialog-ok')
        self._search_button.set_tooltip(_('Search by Tags'))
        self._search_button.connect('clicked', self._search_button_cb)
        self._toolbox.toolbar.insert(self._search_button, -1)
        self._search_button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        self._toolbox.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = '<Ctrl>q'
        self._toolbox.toolbar.insert(stop_button, -1)
        stop_button.show()

    def _search_button_cb(self, button):
        self.busy_cursor()
        self._do_search()

    def _search_entry_activated_cb(self, entry):
        self.busy_cursor()
        self._do_search()

    def _do_search(self):
        logging.debug('_search_entry_activated_cb')
        if self._search_entry.props.text == '':
            logging.debug('clearing search')
            for item in self.reflection_data:
                item['hidden'] = False
        else:
            tags = self._search_entry.props.text.split()
            for i, tag in enumerate(tags):
                if not tag[0] == '#':
                    tags[i] = '#%s' % tag
            logging.error(tags)
            for item in self.reflection_data:
                hidden = True
                if 'tags' in item:
                    for tag in tags:
                        if tag in item['tags']:
                            hidden = False
                item['hidden'] = hidden
        self.reload_data(self.reflection_data)
        self.reset_cursor()

    def _search_entry_changed_cb(self, entry):
        logging.debug('_search_entry_changed_cb search for \'%s\'',
                     self._search_entry.props.text)
        self.busy_cursor()
        self._do_search_changed()

    def _do_search_changed(self):
        if self._search_entry.props.text == '':
            logging.debug('clearing search')
            for item in self.reflection_data:
                item['hidden'] = False
            self.reload_data(self.reflection_data)
        self.reset_cursor()

    def _title_button_cb(self, button):
        ''' sort by title '''
        self.busy_cursor()
        GObject.idle_add(self._title_sort)

    def _title_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: item['title'].lower())
        self.reload_data(sorted_data)
        self.reset_cursor()

    def _date_button_cb(self, button):
        ''' sort by modification date '''
        self.busy_cursor()
        GObject.idle_add(self._date_sort)

    def _date_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: int(item['modification_time']),
                             reverse=True)
        self.reload_data(sorted_data)
        self.reset_cursor()

    def _stars_button_cb(self, button):
        ''' sort by number of stars '''
        self.busy_cursor()
        GObject.idle_add(self._stars_sort)

    def _stars_sort(self):
        sorted_data = sorted(self.reflection_data,
                             key=lambda item: item['stars'], reverse=True)
        self.reload_data(sorted_data)
        self.reset_cursor()

    def __realize_cb(self, window):
        self.window_xid = window.get_window().get_xid()

    def set_copy_widget(self, webkit=None, text_entry=None):
        # Each task is responsible for setting a widget for copy
        if webkit is not None:
            self._webkit = webkit
        else:
            self._webkit = None
        if text_entry is not None:
            self._copy_entry = text_entry
        else:
            self._copy_entry = None

        self._copy_button.set_sensitive(webkit is not None or
                                        text_entry is not None)

    def _copy_cb(self, button):
        if self._copy_entry is not None:
            self._copy_entry.copy_clipboard()
        elif self._webkit is not None:
            self._webkit.copy_clipboard()
        else:
            _logger.debug('No widget set for copy.')

    def set_paste_widget(self, text_entry=None):
        # Each task is responsible for setting a widget for paste
        if text_entry is not None:
            self._paste_entry = text_entry
        self._paste_button.set_sensitive(text_entry is not None)

    def _paste_cb(self, button):
        clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
        self.clipboard_text = clipboard.wait_for_text()
        if self._paste_entry is not None:
            self._paste_entry.paste_clipboard()
        else:
            _logger.debug('No widget set for paste (%s).' %
                          self.clipboard_text)

    def _fullscreen_cb(self, button):
        ''' Hide the Sugar toolbars. '''
        self.fullscreen()

    def __add_item_cb(self, button):
        try:
            chooser = ObjectChooser(parent=self, what_filter=None)
        except TypeError:
            chooser = ObjectChooser(
                None, self._reflection.activity,
                Gtk.DialogFlags.MODAL |
                Gtk.DialogFlags.DESTROY_WITH_PARENT)

        try:
            result = chooser.run()
            if result == Gtk.ResponseType.ACCEPT:
                jobject = chooser.get_selected_object()
                if jobject:
                    self._add_new_from_journal(jobject)
                    self.reload_data(self.reflection_data)
        finally:
            chooser.destroy()
            del chooser

    def _set_scroll_policy(self):
        if Gdk.Screen.width() < Gdk.Screen.height():
            self._scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
                                             Gtk.PolicyType.AUTOMATIC)
        else:
            self._scrolled_window.set_policy(Gtk.PolicyType.NEVER,
                                             Gtk.PolicyType.AUTOMATIC)

    def _remove_alert_cb(self, alert, response_id):
        self.remove_alert(alert)

    def _close_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            self.close()

    def _setup_presence_service(self):
        ''' Setup the Presence Service. '''
        self.pservice = presenceservice.get_instance()

        owner = self.pservice.get_owner()
        self.owner = owner
        self._share = ''
        self.connect('shared', self._shared_cb)
        self.connect('joined', self._joined_cb)

    def _shared_cb(self, activity):
        ''' Either set up initial share...'''
        if self.shared_activity is None:
            _logger.error('Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        self.initiating = True
        self._waiting_for_reflections = False
        _logger.debug('I am sharing...')

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        _logger.debug('This is my activity: making a tube...')
        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
            SERVICE, {})

        self.sharing = True

    def _joined_cb(self, activity):
        ''' ...or join an exisiting share. '''
        if self.shared_activity is None:
            _logger.error('Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        if self._joined_alert is not None:
            self.remove_alert(self._joined_alert)
            self._joined_alert = None

        self.initiating = False
        self._waiting_for_reflections = True
        _logger.debug('I joined a shared activity.')

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        _logger.debug('I am joining an activity: waiting for a tube...')
        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
            reply_handler=self._list_tubes_reply_cb,
            error_handler=self._list_tubes_error_cb)

        self.sharing = True

    def _list_tubes_reply_cb(self, tubes):
        ''' Reply to a list request. '''
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    def _list_tubes_error_cb(self, e):
        ''' Log errors. '''
        _logger.error('ListTubes() failed: %s', e)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        ''' Create a new tube. '''
        _logger.debug('New tube: ID=%d initator=%d type=%d service=%s '
                      'params=%r state=%d', id, initiator, type, service,
                      params, state)

        if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
            if state == telepathy.TUBE_STATE_LOCAL_PENDING:
                self.tubes_chan[
                    telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)

            self.collab = CollabWrapper(self)
            self.collab.message.connect(self.event_received_cb)
            self.collab.setup()

            if self._waiting_for_reflections:
                self.send_event(JOIN_CMD, {})
                self._joined_alert = Alert()
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Requesting reflections...')
                self.add_alert(self._joined_alert)

    def event_received_cb(self, collab, buddy, msg):
        ''' Data is passed as tuples: cmd:text '''
        command = msg.get("command")
        payload = msg.get("payload")
        logging.debug(command)

        if command == JOIN_CMD:
            # Sharer needs to send reflections database to joiners.
            if self.initiating:
                # Send pictures first.
                for item in self.reflection_data:
                    if 'content' in item:
                        for content in item['content']:
                            if 'image' in content:
                                pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
                                    content['image'], 120, 90)
                                if pixbuf is not None:
                                    data = utils.pixbuf_to_base64(pixbuf)
                                self.send_event(PICTURE_CMD,
                                    {"image": os.path.basename(content['image']),
                                     "data": data})
                data = json.dumps(self.reflection_data)
                self.send_event(SHARE_CMD, {"data": data})
        elif command == NEW_REFLECTION_CMD:
            self._reflect_window.add_new_reflection(payload)
        elif command == TITLE_CMD:
            obj_id = payload.get("obj_id")
            title = payload.get("title")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_title(obj_id, title)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == TAG_CMD:
            obj_id = payload.get("obj_id")
            data = payload.get("data")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_tags(obj_id, data)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == ACTIVITY_CMD:
            obj_id = payload.get("obj_id")
            bundle_id = payload.get("bundle_id")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.insert_activity(obj_id, bundle_id)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == STAR_CMD:
            obj_id = payload.get("obj_id")
            stars = payload.get("stars")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    self._reflect_window.update_stars(obj_id, int(stars))
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == COMMENT_CMD:
            found_the_object = False
            # Receive a comment and associated reflection ID
            obj_id = payload.get("obj_id")
            nick = payload.get("nick")
            color = payload.get("color")
            comment = payload.get("comment")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if not 'comments' in item:
                        item['comments'] = []
                    data = {'nick': nick, 'comment': comment, 'color': color}
                    item['comments'].append(data)
                    self._reflect_window.insert_comment(obj_id, data)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == REFLECTION_CMD:
            found_the_object = False
            # Receive a reflection and associated reflection ID
            obj_id = payload.get("obj_id")
            reflection = payload.get("reflection")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if not '' in item:
                        item['content'] = []
                    item['content'].append({'text': reflection})
                    self._reflect_window.insert_reflection(obj_id, reflection)
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == IMAGE_REFLECTION_CMD:
            found_the_object = False
            # Receive a picture reflection and associated reflection ID
            obj_id = payload.get("obj_id")
            basename = payload.get("basename")
            for item in self.reflection_data:
                if item['obj_id'] == obj_id:
                    found_the_object = True
                    if not '' in item:
                        item['content'] = []
                    item['content'].append(
                        {'image': os.path.join(self.tmp_path, basename)})
                    self._reflect_window.insert_picture(
                        obj_id, os.path.join(self.tmp_path, basename))
                    break
            if not found_the_object:
                logging.error('Could not find obj_id %s' % obj_id)
        elif command == PICTURE_CMD:
            # Receive a picture (MAYBE DISPLAY IT AS IT ARRIVES?)
            basename = payload.get("basename")
            data = payload.get("data")
            utils.base64_to_file(data, os.path.join(self.tmp_path, basename))
        elif command == SHARE_CMD:
            # Joiner needs to load reflection database.
            if not self.initiating:
                # Note that pictures should be received.
                self.reflection_data = payload
                self._reflect_window.load(self.reflection_data)
                self._waiting_for_reflections = False
                self.reset_cursor()
                if self._joined_alert is not None:
                    self.remove_alert(self._joined_alert)
                    self._joined_alert = None

    def send_event(self, command, data):
        ''' Send event through the tube. '''
        if hasattr(self, 'collab') and self.collab is not None:
            data["command"] = command
            self.collab.post(data)
Exemplo n.º 6
0
class Chat(activity.Activity):
    def __init__(self, handle):
        pservice = presenceservice.get_instance()
        self.owner = pservice.get_owner()

        self._ebook_mode_detector = EbookModeDetector()

        self.chatbox = ChatBox(self.owner,
                               self._ebook_mode_detector.get_ebook_mode())
        self.chatbox.connect('open-on-journal', self.__open_on_journal)
        self.chatbox.connect('new-message',
                             self._search_entry_on_new_message_cb)

        super(Chat, self).__init__(handle)

        self._entry = None
        self._has_alert = False
        self._has_osk = False

        self._setup_canvas()

        self._entry.grab_focus()

        toolbar_box = ToolbarBox()
        self.set_toolbar_box(toolbar_box)

        self._activity_toolbar_button = ActivityToolbarButton(self)
        self._activity_toolbar_button.connect('clicked', self._fixed_resize_cb)

        toolbar_box.toolbar.insert(self._activity_toolbar_button, 0)
        self._activity_toolbar_button.show()

        self.search_entry = iconentry.IconEntry()
        self.search_entry.set_size_request(Gdk.Screen.width() / 3, -1)
        self.search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
                                             'entry-search')
        self.search_entry.add_clear_button()
        self.search_entry.connect('activate', self._search_entry_activate_cb)
        self.search_entry.connect('changed', self._search_entry_activate_cb)

        self.connect('key-press-event', self._search_entry_key_press_cb)

        self._search_item = Gtk.ToolItem()
        self._search_item.add(self.search_entry)
        toolbar_box.toolbar.insert(self._search_item, -1)

        self._search_prev = ToolButton('go-previous-paired')
        self._search_prev.set_tooltip(_('Previous'))
        self._search_prev.props.accelerator = "<Shift><Ctrl>g"
        self._search_prev.connect('clicked', self._search_prev_cb)
        self._search_prev.props.sensitive = False
        toolbar_box.toolbar.insert(self._search_prev, -1)

        self._search_next = ToolButton('go-next-paired')
        self._search_next.set_tooltip(_('Next'))
        self._search_next.props.accelerator = "<Ctrl>g"
        self._search_next.connect('clicked', self._search_next_cb)
        self._search_next.props.sensitive = False
        toolbar_box.toolbar.insert(self._search_next, -1)

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar_box.toolbar.insert(separator, -1)

        toolbar_box.toolbar.insert(StopButton(self), -1)
        toolbar_box.show_all()

        # Chat is room or one to one:
        self._chat_is_room = False
        self.text_channel = None

        if _HAS_SOUND:
            self.element = Gst.ElementFactory.make('playbin', 'Player')

        if self.shared_activity:
            # we are joining the activity following an invite
            self._alert(_('Off-line'), _('Joining the Chat.'))
            self._entry.props.placeholder_text = \
                _('Please wait for a connection before starting to chat.')
            self.connect('joined', self._joined_cb)
            if self.get_shared():
                # we have already joined
                self._joined_cb(self)
        elif handle.uri:
            # XMPP non-sugar3 incoming chat, not sharable
            self._activity_toolbar_button.props.page.share.props.visible = \
                False
            self._one_to_one_connection(handle.uri)
        else:
            # we are creating the activity
            if not self.metadata or self.metadata.get(
                    'share-scope', activity.SCOPE_PRIVATE) == \
                    activity.SCOPE_PRIVATE:
                # if we are in private session
                self._alert(_('Off-line'), _('Share, or invite someone.'))
            else:
                # resume of shared activity from journal object without invite
                self._entry.props.placeholder_text = \
                    _('Please wait for a connection before starting to chat.')
            self.connect('shared', self._shared_cb)

    def _search_entry_key_press_cb(self, activity, event):
        keyname = Gdk.keyval_name(event.keyval).lower()
        if keyname == 'f':
            if Gdk.ModifierType.CONTROL_MASK & event.state:
                self.search_entry.grab_focus()
        elif keyname == 'escape':
            self.search_entry.props.text = ''
            self._entry.grab_focus()

    def _search_entry_on_new_message_cb(self, chatbox):
        self._search_entry_activate_cb(self.search_entry)

    def _search_entry_activate_cb(self, entry):
        for i in range(0, self.chatbox.number_of_textboxes()):
            textbox = self.chatbox.get_textbox(i)
            _buffer = textbox.get_buffer()
            start_mark = _buffer.get_mark('start')
            end_mark = _buffer.get_mark('end')
            if start_mark is None or end_mark is None:
                continue
            _buffer.delete_mark(start_mark)
            _buffer.delete_mark(end_mark)
            self.chatbox.highlight_text = (None, None, None)
        self.chatbox.set_search_text(entry.props.text)
        self._update_search_buttons()

    def _update_search_buttons(self, ):
        if len(self.chatbox.search_text) == 0:
            self._search_prev.props.sensitive = False
            self._search_next.props.sensitive = False
        else:
            # If next or previous result exists
            self._search_prev.props.sensitive = \
                self.chatbox.check_next('backward')
            self._search_next.props.sensitive = \
                self.chatbox.check_next('forward')

    def _search_prev_cb(self, button):
        if button.props.sensitive:
            self.chatbox.search('backward')
            self._update_search_buttons()

    def _search_next_cb(self, button):
        if button.props.sensitive:
            self.chatbox.search('forward')
            self._update_search_buttons()

    def _fixed_resize_cb(self, widget=None, rect=None):
        ''' If a toolbar opens or closes, we need to resize the vbox
        holding out scrolling window. '''
        if self._has_alert:
            dy = style.GRID_CELL_SIZE
        else:
            dy = 0
        if self._has_osk:
            if Gdk.Screen.width() > Gdk.Screen.height():
                dy += OSK_HEIGHT[0]
            else:
                dy += OSK_HEIGHT[1]

        if self._toolbar_expanded():
            self.chatbox.set_size_request(
                self._chat_width,
                self._chat_height - style.GRID_CELL_SIZE - dy)
            self._fixed.move(self._entry_grid, style.GRID_CELL_SIZE,
                             self._chat_height - style.GRID_CELL_SIZE - dy)
        else:
            self.chatbox.set_size_request(self._chat_width,
                                          self._chat_height - dy)
            self._fixed.move(self._entry_grid, style.GRID_CELL_SIZE,
                             self._chat_height - dy)

        self.chatbox.resize_conversation(dy)

    def _setup_canvas(self):
        ''' Create a canvas '''
        self._fixed = Gtk.Fixed()
        self._fixed.set_size_request(
            Gdk.Screen.width(),
            Gdk.Screen.height() - style.GRID_CELL_SIZE)
        self._fixed.connect('size-allocate', self._fixed_resize_cb)
        self.set_canvas(self._fixed)
        self._fixed.show()

        self._entry_widgets = self._make_entry_widgets()
        self._fixed.put(self.chatbox, 0, 0)
        self.chatbox.show()

        self._fixed.put(self._entry_grid, style.GRID_CELL_SIZE,
                        self._chat_height)
        self._entry_grid.show()

        Gdk.Screen.get_default().connect('size-changed', self._configure_cb)

    def _configure_cb(self, event):
        self._fixed.set_size_request(
            Gdk.Screen.width(),
            Gdk.Screen.height() - style.GRID_CELL_SIZE)
        if self._ebook_mode_detector.get_ebook_mode():
            self._entry_height = int(style.GRID_CELL_SIZE * 1.5)
        else:
            self._entry_height = style.GRID_CELL_SIZE
        entry_width = Gdk.Screen.width() - \
            2 * (self._entry_height + style.GRID_CELL_SIZE)
        self._entry.set_size_request(entry_width, self._entry_height)
        self._entry_grid.set_size_request(
            Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE, self._entry_height)

        self._chat_height = Gdk.Screen.height() - self._entry_height - \
            style.GRID_CELL_SIZE
        self._chat_width = Gdk.Screen.width()
        self.chatbox.set_size_request(self._chat_width, self._chat_height)
        self.chatbox.resize_all()

        width = int(Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE)
        if self._ebook_mode_detector.get_ebook_mode():
            height = int(Gdk.Screen.height() - 8 * style.GRID_CELL_SIZE)
        else:
            height = int(Gdk.Screen.height() - 5 * style.GRID_CELL_SIZE)
        self._smiley_table.set_size_request(width, height)
        self._smiley_toolbar.set_size_request(width, -1)
        self._smiley_window.set_size_request(width, -1)

        self._fixed_resize_cb()

    def _create_smiley_table(self, width):
        pixel_size = (style.STANDARD_ICON_SIZE + style.LARGE_ICON_SIZE) / 2
        spacing = style.DEFAULT_SPACING
        button_size = pixel_size + spacing
        smilies_columns = int(width / button_size)
        pad = (width - smilies_columns * button_size) / 2

        table = Gtk.Grid()
        table.set_row_spacing(spacing)
        table.set_column_spacing(spacing)
        table.set_border_width(pad)

        queue = []

        def _create_smiley_icon_idle_cb():
            try:
                x, y, path, code = queue.pop()
            except IndexError:
                self.unbusy()
                return False
            pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
                path, pixel_size, pixel_size)
            image = Gtk.Image.new_from_pixbuf(pixbuf)
            box = Gtk.EventBox()
            box.add(image)
            box.connect('button-press-event', self._add_smiley_to_entry, code)
            table.attach(box, x, y, 1, 1)
            box.show_all()
            return True

        x = 0
        y = 0
        smilies.init()
        for i in range(len(smilies.THEME)):
            path, hint, codes = smilies.THEME[i]
            queue.append([x, y, path, codes[0]])

            x += 1
            if x == smilies_columns:
                y += 1
                x = 0

        queue.reverse()
        GLib.idle_add(_create_smiley_icon_idle_cb)
        return table

    def _add_smiley_to_entry(self, icon, event, text):
        pos = self._entry.props.cursor_position
        self._entry.insert_text(text, pos)
        self._entry.grab_focus()
        self._entry.set_position(pos + len(text))
        self._hide_smiley_window()

    def _shared_cb(self, sender):
        self._setup()

    def _one_to_one_connection(self, tp_channel):
        '''Handle a private invite from a non-sugar3 XMPP client.'''
        if self.shared_activity or self.text_channel:
            return
        bus_name, connection, channel = json.loads(tp_channel)
        logger.debug('GOT XMPP: %s %s %s', bus_name, connection, channel)
        conn = {}
        conn_proxy = dbus.Bus().get_object(bus_name, connection)
        conn[TelepathyGLib.IFACE_CONNECTION_INTERFACE_ALIASING] = \
            dbus.Interface(
                conn_proxy, TelepathyGLib.IFACE_CONNECTION_INTERFACE_ALIASING)
        self._one_to_one_connection_ready_cb(bus_name, channel, conn)

    def _one_to_one_connection_ready_cb(self, bus_name, channel, conn):
        '''Callback for Connection for one to one connection'''
        text_channel = {}
        text_proxy = dbus.Bus().get_object(bus_name, channel)
        text_channel[TelepathyGLib.IFACE_CHANNEL] = \
            dbus.Interface(text_proxy, TelepathyGLib.IFACE_CHANNEL)
        text_channel[TelepathyGLib.IFACE_CHANNEL_TYPE_TEXT] = \
            dbus.Interface(text_proxy, TelepathyGLib.IFACE_CHANNEL_TYPE_TEXT)
        text_channel[TelepathyGLib.IFACE_CHANNEL_INTERFACE_GROUP] = \
            dbus.Interface(
                text_proxy, TelepathyGLib.IFACE_CHANNEL_INTERFACE_GROUP)
        self.text_channel = TextChannelWrapper(text_channel, conn)
        self.text_channel.set_received_callback(self._received_cb)
        self.text_channel.handle_pending_messages()
        self.text_channel.set_closed_callback(
            self._one_to_one_connection_closed_cb)
        self._chat_is_room = False
        self._alert(_('On-line'), _('Private chat.'))

        # XXX How do we detect the sender going offline?
        self._entry.set_sensitive(True)
        self._entry.props.placeholder_text = None
        self._entry.grab_focus()

    def _one_to_one_connection_closed_cb(self):
        '''Callback for when the text channel closes.'''
        self._alert(_('Off-line'), _('Left the chat.'))

    def _setup(self):
        self.text_channel = TextChannelWrapper(
            self.shared_activity.telepathy_text_chan,
            self.shared_activity.telepathy_conn)
        self.text_channel.set_received_callback(self._received_cb)
        self._alert(_('On-line'), _('Connected.'))
        self.shared_activity.connect('buddy-joined', self._buddy_joined_cb)
        self.shared_activity.connect('buddy-left', self._buddy_left_cb)
        self._chat_is_room = True
        self._entry.set_sensitive(True)
        self._entry.props.placeholder_text = None
        self._entry.grab_focus()

    def _joined_cb(self, sender):
        '''Joined a shared activity.'''
        if not self.shared_activity:
            return
        logger.debug('Joined a shared chat')
        for buddy in self.shared_activity.get_joined_buddies():
            self._buddy_already_exists(buddy)
        self._setup()

    def _received_cb(self, buddy, text):
        '''Show message that was received.'''
        if buddy:
            if type(buddy) is dict:
                nick = buddy['nick']
            else:
                nick = buddy.props.nick
        else:
            nick = '???'
        logger.debug('Received message from %s: %s', nick, text)
        self.chatbox.add_text(buddy, text)

        if self.owner.props.nick in text:
            self.play_sound('said_nick')
        '''
        vscroll = self.chatbox.get_vadjustment()
        if vscroll.get_property('value') != vscroll.get_property('upper'):
            self._alert(_('New message'), _('New message from %s' % nick))
        '''
        if not self.has_focus:
            self.notify_user(_('Message from %s') % buddy, text)

    def _toolbar_expanded(self):
        if self._activity_toolbar_button.is_expanded():
            return True
        return False

    def _alert(self, title, text=None):
        alert = NotifyAlert(timeout=5)
        alert.props.title = title
        alert.props.msg = text
        self.add_alert(alert)
        alert.connect('response', self._alert_cancel_cb)
        alert.show()
        self._has_alert = True
        self._fixed_resize_cb()

    def _alert_cancel_cb(self, alert, response_id):
        self.remove_alert(alert)
        self._has_alert = False
        self._fixed_resize_cb()

    def __open_on_journal(self, widget, url):
        '''Ask the journal to display a URL'''
        logger.debug('Create journal entry for URL: %s', url)
        jobject = datastore.create()
        metadata = {
            'title': '%s: %s' % (_('URL from Chat'), url),
            'title_set_by_user': '******',
            'icon-color': profile.get_color().to_string(),
            'mime_type': 'text/uri-list',
        }
        for k, v in list(metadata.items()):
            jobject.metadata[k] = v
        file_path = os.path.join(get_activity_root(), 'instance',
                                 '%i_' % time.time())
        open(file_path, 'w').write(url + '\r\n')
        os.chmod(file_path, 0o755)
        jobject.set_file_path(file_path)
        datastore.write(jobject)
        show_object_in_journal(jobject.object_id)
        jobject.destroy()
        os.unlink(file_path)

    def _buddy_joined_cb(self, sender, buddy):
        '''Show a buddy who joined'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(buddy,
                              _('%s joined the chat') % buddy.props.nick,
                              status_message=True)

        self.play_sound('login')

    def _buddy_left_cb(self, sender, buddy):
        '''Show a buddy who joined'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(buddy,
                              _('%s left the chat') % buddy.props.nick,
                              status_message=True)

        self.play_sound('logout')

    def _buddy_already_exists(self, buddy):
        '''Show a buddy already in the chat.'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(buddy,
                              _('%s is here') % buddy.props.nick,
                              status_message=True)

    def can_close(self):
        '''Perform cleanup before closing.
        Close text channel of a one to one XMPP chat.
        '''
        if self._chat_is_room is False:
            if self.text_channel is not None:
                self.text_channel.close()
        return True

    def _make_entry_widgets(self):
        '''We need to create a button for the smiley, a text entry, and a
        send button.

        All of this, along with the chatbox, goes into a grid.

        ---------------------------------------
        | chat box                            |
        | smiley button | entry | send button |
        ---------------------------------------
        '''
        if self._ebook_mode_detector.get_ebook_mode():
            self._entry_height = int(style.GRID_CELL_SIZE * 1.5)
        else:
            self._entry_height = style.GRID_CELL_SIZE
        entry_width = Gdk.Screen.width() - \
            2 * (self._entry_height + style.GRID_CELL_SIZE)
        self._chat_height = Gdk.Screen.height() - self._entry_height - \
            style.GRID_CELL_SIZE
        self._chat_width = Gdk.Screen.width()

        self.chatbox.set_size_request(self._chat_width, self._chat_height)

        self._entry_grid = Gtk.Grid()
        self._entry_grid.set_size_request(
            Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE, self._entry_height)

        smiley_button = EventIcon(icon_name='smilies',
                                  pixel_size=self._entry_height)
        smiley_button.connect('button-press-event', self._smiley_button_cb)
        self._entry_grid.attach(smiley_button, 0, 0, 1, 1)
        smiley_button.show()

        self._entry = Gtk.Entry()
        self._entry.set_size_request(entry_width, self._entry_height)
        self._entry.modify_bg(Gtk.StateType.INSENSITIVE,
                              style.COLOR_WHITE.get_gdk_color())
        self._entry.modify_base(Gtk.StateType.INSENSITIVE,
                                style.COLOR_WHITE.get_gdk_color())

        self._entry.set_sensitive(False)
        self._entry.props.placeholder_text = \
            _('You must be connected to a friend before starting to chat.')
        self._entry.connect('focus-in-event', self._entry_focus_in_cb)
        self._entry.connect('focus-out-event', self._entry_focus_out_cb)
        self._entry.connect('activate', self._entry_activate_cb)
        self._entry.connect('key-press-event', self._entry_key_press_cb)
        self._entry_grid.attach(self._entry, 1, 0, 1, 1)
        self._entry.show()

        send_button = EventIcon(icon_name='send',
                                pixel_size=self._entry_height)
        send_button.connect('button-press-event', self._send_button_cb)
        self._entry_grid.attach(send_button, 2, 0, 1, 1)
        send_button.show()

    def _get_icon_pixbuf(self, name):
        icon_theme = Gtk.IconTheme.get_default()
        icon_info = icon_theme.lookup_icon(name, style.LARGE_ICON_SIZE, 0)
        pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
            icon_info.get_filename(), style.LARGE_ICON_SIZE,
            style.LARGE_ICON_SIZE)
        del icon_info
        return pixbuf

    def _entry_focus_in_cb(self, entry, event):
        self._hide_smiley_window()

        if self._ebook_mode_detector.get_ebook_mode():
            self._has_osk = True
            self._fixed_resize_cb()

    def _entry_focus_out_cb(self, entry, event):
        if self._ebook_mode_detector.get_ebook_mode():
            self._has_osk = False
            self._fixed_resize_cb()

    def _entry_key_press_cb(self, widget, event):
        '''Check for scrolling keys.

        Check if the user pressed Page Up, Page Down, Home or End and
        scroll the window according the pressed key.
        '''
        vadj = self.chatbox.get_vadjustment()
        if event.keyval == Gdk.KEY_Page_Down:
            value = vadj.get_value() + vadj.page_size
            if value > vadj.upper - vadj.page_size:
                value = vadj.upper - vadj.page_size
            vadj.set_value(value)
        elif event.keyval == Gdk.KEY_Page_Up:
            vadj.set_value(vadj.get_value() - vadj.page_size)
        elif event.keyval == Gdk.KEY_Home and \
                event.get_state() & Gdk.ModifierType.CONTROL_MASK:
            vadj.set_value(vadj.lower)
        elif event.keyval == Gdk.KEY_End and \
                event.get_state() & Gdk.ModifierType.CONTROL_MASK:
            vadj.set_value(vadj.upper - vadj.page_size)

    def _smiley_button_cb(self, widget, event):
        self._show_smiley_window()

    def _send_button_cb(self, widget, event):
        self._entry_activate_cb(self._entry)

    def _entry_activate_cb(self, entry):
        self.chatbox._scroll_auto = True

        text = entry.props.text
        if text:
            logger.debug('Adding text to chatbox: %s: %s' % (self.owner, text))
            self.chatbox.add_text(self.owner, text)
            entry.props.text = ''
            if self.text_channel:
                logger.debug('sending to text_channel: %s' % (text))
                self.text_channel.send(text)
            else:
                logger.debug('Tried to send message but text channel '
                             'not connected.')

    def write_file(self, file_path):
        '''Store chat log in Journal.

        Handling the Journal is provided by Activity - we only need
        to define this method.
        '''
        logger.debug('write_file: writing %s' % file_path)
        self.chatbox.add_log_timestamp()
        f = open(file_path, 'w')
        try:
            f.write(self.chatbox.get_log())
        finally:
            f.close()
        self.metadata['mime_type'] = 'text/plain'

    def read_file(self, file_path):
        '''Load a chat log from the Journal.
        Handling the Journal is provided by Activity - we only need
        to define this method.
        '''
        logger.debug('read_file: reading %s' % file_path)
        log = open(file_path).readlines()
        last_line_was_timestamp = False
        for line in log:
            if line.endswith('\t\t\n'):
                if last_line_was_timestamp is False:
                    timestamp = line.strip().split('\t')[0]
                    self.chatbox.add_separator(timestamp)
                    last_line_was_timestamp = True
            else:
                timestamp, nick, color, status, text = line.strip().split('\t')
                status_message = bool(int(status))
                self.chatbox.add_text({
                    'nick': nick,
                    'color': color
                }, text, status_message)
                last_line_was_timestamp = False

    def play_sound(self, event):
        if _HAS_SOUND:
            SOUNDS_PATH = os.path.join(get_bundle_path(), 'sounds')
            SOUNDS = {
                'said_nick': os.path.join(SOUNDS_PATH, 'alert.wav'),
                'login': os.path.join(SOUNDS_PATH, 'login.wav'),
                'logout': os.path.join(SOUNDS_PATH, 'logout.wav')
            }

            self.element.set_state(Gst.State.NULL)
            self.element.set_property('uri', 'file://%s' % SOUNDS[event])
            self.element.set_state(Gst.State.PLAYING)

    def _create_smiley_window(self):
        grid = Gtk.Grid()
        width = int(Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE)

        self._smiley_toolbar = SmileyToolbar(self)
        height = style.GRID_CELL_SIZE
        self._smiley_toolbar.set_size_request(width, height)
        grid.attach(self._smiley_toolbar, 0, 0, 1, 1)
        self._smiley_toolbar.show()

        self._smiley_table = Gtk.ScrolledWindow()
        self._smiley_table.set_policy(Gtk.PolicyType.NEVER,
                                      Gtk.PolicyType.AUTOMATIC)
        self._smiley_table.modify_bg(Gtk.StateType.NORMAL,
                                     style.COLOR_BLACK.get_gdk_color())
        if self._ebook_mode_detector.get_ebook_mode():
            height = int(Gdk.Screen.height() - 8 * style.GRID_CELL_SIZE)
        else:
            height = int(Gdk.Screen.height() - 4 * style.GRID_CELL_SIZE)
        self._smiley_table.set_size_request(width, height)

        table = self._create_smiley_table(width)
        self._smiley_table.add_with_viewport(table)
        table.show_all()

        grid.attach(self._smiley_table, 0, 1, 1, 1)
        self._smiley_table.show()

        self._smiley_window = Gtk.ScrolledWindow()
        self._smiley_window.set_policy(Gtk.PolicyType.NEVER,
                                       Gtk.PolicyType.NEVER)
        self._smiley_window.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        self._smiley_window.set_size_request(width, -1)

        self._smiley_window.add_with_viewport(grid)

        def _key_press_event_cb(widget, event):
            if event.keyval == Gdk.KEY_Escape:
                self._hide_smiley_window()
                return True
            return False

        self.connect('key-press-event', _key_press_event_cb)

        grid.show()

        self._fixed.put(self._smiley_window, style.GRID_CELL_SIZE, 0)

    def _show_smiley_window(self):
        if not hasattr(self, '_smiley_window'):
            self.busy()
            self._create_smiley_window()
        self._smiley_window.show()

    def _hide_smiley_window(self):
        if hasattr(self, '_smiley_window'):
            self._smiley_window.hide()
Exemplo n.º 7
0
class OneSupportActivity(activity.Activity):
    ''' An activity for sending bug reports '''

    def __init__(self, handle):
        ''' Initialize the toolbar '''
        try:
            super(OneSupportActivity, self).__init__(handle)
        except dbus.exceptions.DBusException as e:
            _logger.error(str(e))

        self.connect('realize', self.__realize_cb)

        if hasattr(self, 'metadata') and 'font_size' in self.metadata:
            self.font_size = int(self.metadata['font_size'])
        else:
            self.font_size = 8
        self.zoom_level = self.font_size / float(len(FONT_SIZES))
        _logger.debug('zoom level is %f' % self.zoom_level)

        # _check_gconf_settings()  # For debugging purposes

        self._setup_toolbars()
        self.modify_bg(Gtk.StateType.NORMAL,
                       style.COLOR_WHITE.get_gdk_color())

        self.bundle_path = activity.get_bundle_path()

        self._copy_entry = None
        self._paste_entry = None
        self._webkit = None
        self._clipboard_text = ''
        self._fixed = None
        self._notify_transfer_status = False

        get_power_manager().inhibit_suspend()
        self._launch_task_master()

    def can_close(self):
        get_power_manager().restore_suspend()
        return True

    def busy_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))

    def reset_cursor(self):
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR))

    def _launch_task_master(self):
        # Most things need only be done once
        if self._fixed is None:
            self._fixed = Gtk.Fixed()
            self._fixed.set_size_request(Gdk.Screen.width(),
                                         Gdk.Screen.height())

            # Offsets from the bottom of the screen
            dy1 = 3 * style.GRID_CELL_SIZE
            dy2 = 2 * style.GRID_CELL_SIZE

            self._progress_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._progress_area.set_size_request(Gdk.Screen.width(), -1)
            self._fixed.put(self._progress_area, 0, Gdk.Screen.height() - dy2)
            self._progress_area.show()

            self._button_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._button_area.set_size_request(Gdk.Screen.width(), -1)
            self._fixed.put(self._button_area, 0, Gdk.Screen.height() - dy1)
            self._button_area.show()

            self._scrolled_window = Gtk.ScrolledWindow()
            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy1)
            self._set_scroll_policy()
            self._graphics_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._scrolled_window.add_with_viewport(self._graphics_area)
            self._graphics_area.show()
            self._fixed.put(self._scrolled_window, 0, 0)
            self._scrolled_window.show()

            self._task_master = TaskMaster(self)
            self._task_master.show()

            Gdk.Screen.get_default().connect('size-changed',
                                             self._configure_cb)
            self._toolbox.connect('hide', self._resize_hide_cb)
            self._toolbox.connect('show', self._resize_show_cb)

            self._task_master.set_events(Gdk.EventMask.KEY_PRESS_MASK)
            self._task_master.connect('key_press_event',
                                      self._task_master.keypress_cb)
            self._task_master.set_can_focus(True)
            self._task_master.grab_focus()

        self.set_canvas(self._fixed)
        self._fixed.show()

        self._task_master.task_master()

    def reset_scrolled_window_adjustments(self):
        adj = self._scrolled_window.get_hadjustment()
        if adj is not None:
            adj.set_value(0)
        adj = self._scrolled_window.get_vadjustment()
        if adj is not None:
            adj.set_value(0)

    def load_graphics_area(self, widget):
        self._graphics_area.add(widget)

    def load_button_area(self, widget):
        self._button_area.add(widget)

    def load_progress_area(self, widget):
        self._progress_area.add(widget)

    def _load_intro_graphics(self, file_name='generic-problem.html',
                             message=None):
        center_in_panel = Gtk.Alignment.new(0.5, 0, 0, 0)
        url = os.path.join(self.bundle_path, 'html-content', file_name)
        graphics = Graphics()
        if message is None:
            graphics.add_uri('file://' + url)
        else:
            graphics.add_uri('file://' + url + '?MSG=' +
                             utils.get_safe_text(message))
        graphics.set_zoom_level(0.667)
        center_in_panel.add(graphics)
        graphics.show()
        self.set_canvas(center_in_panel)
        center_in_panel.show()

    def _resize_hide_cb(self, widget):
        self._resize_canvas(widget, True)

    def _resize_show_cb(self, widget):
        self._resize_canvas(widget, False)

    def _configure_cb(self, event):
        self._fixed.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self._set_scroll_policy()
        self._resize_canvas(None)
        self._task_master.reload_graphics()

    def _resize_canvas(self, widget, fullscreen=False):
        # When a toolbar is expanded or collapsed, resize the canvas
        # to ensure that the progress bar is still visible.
        if hasattr(self, '_task_master'):
            if self.toolbar_expanded():
                dy1 = 4 * style.GRID_CELL_SIZE
                dy2 = 3 * style.GRID_CELL_SIZE
            else:
                dy1 = 3 * style.GRID_CELL_SIZE
                dy2 = 2 * style.GRID_CELL_SIZE

            if fullscreen:
                dy1 -= 2 * style.GRID_CELL_SIZE
                dy2 -= 2 * style.GRID_CELL_SIZE

            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy1)
            self._fixed.move(self._progress_area, 0, Gdk.Screen.height() - dy2)
            self._fixed.move(self._button_area, 0, Gdk.Screen.height() - dy1)

    def get_activity_version(self):
        info_path = os.path.join(self.bundle_path, 'activity', 'activity.info')
        try:
            info_file = open(info_path, 'r')
        except Exception as e:
            _logger.error('Could not open %s: %s' % (info_path, e))
            return 'unknown'

        cp = ConfigParser()
        cp.readfp(info_file)

        section = 'Activity'

        if cp.has_option(section, 'activity_version'):
            activity_version = cp.get(section, 'activity_version')
        else:
            activity_version = 'unknown'
        return activity_version

    def get_uid(self):
        if len(self.volume_data) == 1:
            return self.volume_data[0]['uid']
        else:
            return 'unknown'

    def write_file(self, file_path):
        self.metadata['font_size'] = str(self.font_size)

    def _setup_toolbars(self):
        ''' Setup the toolbars. '''
        self.max_participants = 1  # No sharing

        self._toolbox = ToolbarBox()

        self.activity_button = ActivityToolbarButton(self)
        self.activity_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.activity_button, 0)
        self.activity_button.show()

        self.set_toolbar_box(self._toolbox)
        self._toolbox.show()
        self.toolbar = self._toolbox.toolbar

        view_toolbar = Gtk.Toolbar()
        self.view_toolbar_button = ToolbarButton(
            page=view_toolbar,
            label=_('View'),
            icon_name='toolbar-view')
        self.view_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.view_toolbar_button, 1)
        view_toolbar.show()
        self.view_toolbar_button.show()

        button = ToolButton('view-fullscreen')
        button.set_tooltip(_('Fullscreen'))
        button.props.accelerator = '<Alt>Return'
        view_toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self._fullscreen_cb)

        self._zoom_in = ToolButton('zoom-in')
        self._zoom_in.set_tooltip(_('Increase size'))
        view_toolbar.insert(self._zoom_in, -1)
        self._zoom_in.show()
        self._zoom_in.connect('clicked', self._zoom_in_cb)

        self._zoom_out = ToolButton('zoom-out')
        self._zoom_out.set_tooltip(_('Decrease size'))
        view_toolbar.insert(self._zoom_out, -1)
        self._zoom_out.show()
        self._zoom_out.connect('clicked', self._zoom_out_cb)

        self._zoom_eq = ToolButton('zoom-original')
        self._zoom_eq.set_tooltip(_('Restore original size'))
        view_toolbar.insert(self._zoom_eq, -1)
        self._zoom_eq.show()
        self._zoom_eq.connect('clicked', self._zoom_eq_cb)

        self._set_zoom_buttons_sensitivity()

        edit_toolbar = Gtk.Toolbar()
        self.edit_toolbar_button = ToolbarButton(
            page=edit_toolbar,
            label=_('Edit'),
            icon_name='toolbar-edit')
        self.edit_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.edit_toolbar_button, 1)
        edit_toolbar.show()
        self.edit_toolbar_button.show()

        self._copy_button = ToolButton('edit-copy')
        self._copy_button.set_tooltip(_('Copy'))
        self._copy_button.props.accelerator = '<Ctrl>C'
        edit_toolbar.insert(self._copy_button, -1)
        self._copy_button.show()
        self._copy_button.connect('clicked', self._copy_cb)
        self._copy_button.set_sensitive(False)

        self._paste_button = ToolButton('edit-paste')
        self._paste_button.set_tooltip(_('Paste'))
        self._paste_button.props.accelerator = '<Ctrl>V'
        edit_toolbar.insert(self._paste_button, -1)
        self._paste_button.show()
        self._paste_button.connect('clicked', self._paste_cb)
        self._paste_button.set_sensitive(False)

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        self._toolbox.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = '<Ctrl>q'
        self._toolbox.toolbar.insert(stop_button, -1)
        stop_button.show()

    def __realize_cb(self, window):
        self.window_xid = window.get_window().get_xid()

    def set_copy_widget(self, webkit=None, text_entry=None):
        # Each task is responsible for setting a widget for copy
        if webkit is not None:
            self._webkit = webkit
        else:
            self._webkit = None
        if text_entry is not None:
            self._copy_entry = text_entry
        else:
            self._copy_entry = None

        self._copy_button.set_sensitive(webkit is not None or
                                        text_entry is not None)

    def _copy_cb(self, button):
        if self._copy_entry is not None:
            self._copy_entry.copy_clipboard()
        elif self._webkit is not None:
            self._webkit.copy_clipboard()
        else:
            _logger.debug('No widget set for copy.')

    def set_paste_widget(self, text_entry=None):
        # Each task is responsible for setting a widget for paste
        if text_entry is not None:
            self._paste_entry = text_entry
        self._paste_button.set_sensitive(text_entry is not None)

    def _paste_cb(self, button):
        clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
        self.clipboard_text = clipboard.wait_for_text()
        if self._paste_entry is not None:
            self._paste_entry.paste_clipboard()
        else:
            _logger.debug('No widget set for paste (%s).' %
                          self.clipboard_text)

    def _fullscreen_cb(self, button):
        ''' Hide the Sugar toolbars. '''
        self.fullscreen()

    def _set_zoom_buttons_sensitivity(self):
        if self.font_size < len(FONT_SIZES) - 1:
            self._zoom_in.set_sensitive(True)
        else:
            self._zoom_in.set_sensitive(False)
        if self.font_size > 0:
            self._zoom_out.set_sensitive(True)
        else:
            self._zoom_out.set_sensitive(False)

        if hasattr(self, '_scrolled_window'):
            self._set_scroll_policy()

    def _set_scroll_policy(self):
        if Gdk.Screen.width() < Gdk.Screen.height() or self.zoom_level > 0.667:
            self._scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
                                             Gtk.PolicyType.AUTOMATIC)
        else:
            self._scrolled_window.set_policy(Gtk.PolicyType.NEVER,
                                             Gtk.PolicyType.AUTOMATIC)

    def _zoom_eq_cb(self, button):
        self.font_size = 8
        self.zoom_level = 0.667
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _zoom_in_cb(self, button):
        if self.font_size < len(FONT_SIZES) - 1:
            self.font_size += 1
            self.zoom_level *= 1.1
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _zoom_out_cb(self, button):
        if self.font_size > 0:
            self.font_size -= 1
            self.zoom_level /= 1.1
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _remove_alert_cb(self, alert, response_id):
        self.remove_alert(alert)

    def _close_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            self.close()

    def _reboot_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            try:
                utils.reboot()
            except Exception as e:
                _logger.error('Cannot reboot: %s' % e)

    def _mount_added_cb(self, volume_monitor, device):
        _logger.error('mount added')
        if self.check_volume_data():
            _logger.debug('launching')
            self._launcher()

    def _mount_removed_cb(self, volume_monitor, device):
        _logger.error('mount removed')
        if self.check_volume_data():
            _logger.debug('launching')
            self._launcher()
class FractionBounceActivity(activity.Activity):

    def __init__(self, handle):
        ''' Initiate activity. '''
        super(FractionBounceActivity, self).__init__(handle)

        self.nick = profile.get_nick_name()
        if profile.get_color() is not None:
            self._colors = profile.get_color().to_string().split(',')
        else:
            self._colors = ['#A0FFA0', '#FF8080']

        self.max_participants = 4  # sharing
        self._playing = True

        self._setup_toolbars()
        self._setup_dispatch_table()
        canvas = self._setup_canvas()

        # Read any custom fractions from the project metadata
        if 'custom' in self.metadata:
            custom = self.metadata['custom']
        else:
            custom = None

        self._current_ball = 'soccerball'

        self._toolbar_was_expanded = False

        # Initialize the canvas
        self._bounce_window = Bounce(canvas, activity.get_bundle_path(), self)

        Gdk.Screen.get_default().connect('size-changed', self._configure_cb)

        # Restore any custom fractions
        if custom is not None:
            fractions = custom.split(',')
            for f in fractions:
                self._bounce_window.add_fraction(f)

        if self.shared_activity:
            # We're joining
            if not self.get_shared():
                xocolors = XoColor(profile.get_color().to_string())
                share_icon = Icon(icon_name='zoom-neighborhood',
                                  xo_color=xocolors)
                self._joined_alert = NotifyAlert()
                self._joined_alert.props.icon = share_icon
                self._joined_alert.props.title = _('Please wait')
                self._joined_alert.props.msg = _('Starting connection...')
                self._joined_alert.connect('response', self._alert_cancel_cb)
                self.add_alert(self._joined_alert)

                self._label.set_label(_('Wait for the sharer to start.'))

                # Wait for joined signal
                self.connect("joined", self._joined_cb)

        self._setup_sharing()

    def _configure_cb(self, event):
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
            self._label.set_label('')
            self._separator.set_expand(False)
        else:
            self._label.set_size_request(500, -1)
            self._separator.set_expand(True)

        self._bounce_window.configure_cb(event)
        if self._toolbar_expanded():
            self._bounce_window.bar.bump_bars('up')
            self._bounce_window.ball.ball.move_relative(
                (0, -style.GRID_CELL_SIZE))

    def _toolbar_expanded(self):
        if self._activity_button.is_expanded():
            return True
        elif self._custom_toolbar_button.is_expanded():
            return True
        return False

    def _update_graphics(self, widget):
        # We need to catch opening and closing of toolbars and ignore
        # switching between open toolbars.
        if self._toolbar_expanded():
            if not self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('up')
                self._bounce_window.ball.ball.move_relative(
                    (0, -style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = True
        else:
            if self._toolbar_was_expanded:
                self._bounce_window.bar.bump_bars('down')
                self._bounce_window.ball.ball.move_relative(
                    (0, style.GRID_CELL_SIZE))
                self._toolbar_was_expanded = False

    def _setup_toolbars(self):
        custom_toolbar = Gtk.Toolbar()
        toolbox = ToolbarBox()
        self._toolbar = toolbox.toolbar
        self._activity_button = ActivityToolbarButton(self)
        self._activity_button.connect('clicked', self._update_graphics)
        self._toolbar.insert(self._activity_button, 0)
        self._activity_button.show()

        self._custom_toolbar_button = ToolbarButton(
            label=_('Custom'),
            page=custom_toolbar,
            icon_name='view-source')
        self._custom_toolbar_button.connect('clicked', self._update_graphics)
        custom_toolbar.show()
        self._toolbar.insert(self._custom_toolbar_button, -1)
        self._custom_toolbar_button.show()

        self._load_standard_buttons(self._toolbar)

        self._separator = Gtk.SeparatorToolItem()
        self._separator.props.draw = False
        self._separator.set_expand(True)
        self._toolbar.insert(self._separator, -1)
        self._separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = _('<Ctrl>Q')
        self._toolbar.insert(stop_button, -1)
        stop_button.show()
        self.set_toolbar_box(toolbox)
        toolbox.show()

        self._load_custom_buttons(custom_toolbar)

    def _load_standard_buttons(self, toolbar):
        fraction_button = RadioToolButton(group=None)
        fraction_button.set_icon_name('fraction')
        fraction_button.set_tooltip(_('fractions'))
        fraction_button.connect('clicked', self._fraction_cb)
        toolbar.insert(fraction_button, -1)
        fraction_button.show()

        sector_button = RadioToolButton(group=fraction_button)
        sector_button.set_icon_name('sector')
        sector_button.set_tooltip(_('sectors'))
        sector_button.connect('clicked', self._sector_cb)
        toolbar.insert(sector_button, -1)
        sector_button.show()

        percent_button = RadioToolButton(group=fraction_button)
        percent_button.set_icon_name('percent')
        percent_button.set_tooltip(_('percents'))
        percent_button.connect('clicked', self._percent_cb)
        toolbar.insert(percent_button, -1)
        percent_button.show()

        self._player = Gtk.Image()
        self._player.set_from_pixbuf(svg_str_to_pixbuf(
            generate_xo_svg(scale=0.8, colors=['#282828', '#282828'])))
        self._player.set_tooltip_text(self.nick)
        toolitem = Gtk.ToolItem()
        toolitem.add(self._player)
        self._player.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self._label = Gtk.Label(_("Click the ball to start."))
        self._label.set_line_wrap(True)
        if Gdk.Screen.width() < 1024:
            self._label.set_size_request(275, -1)
        else:
            self._label.set_size_request(500, -1)
        self.toolitem = Gtk.ToolItem()
        self.toolitem.add(self._label)
        self._label.show()
        toolbar.insert(self.toolitem, -1)
        self.toolitem.show()

    def _load_custom_buttons(self, toolbar):
        self.numerator = Gtk.Entry()
        self.numerator.set_text('')
        self.numerator.set_tooltip_text(_('numerator'))
        self.numerator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.numerator)
        self.numerator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        label = Gtk.Label('   /   ')
        toolitem = Gtk.ToolItem()
        toolitem.add(label)
        label.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        self.denominator = Gtk.Entry()
        self.denominator.set_text('')
        self.denominator.set_tooltip_text(_('denominator'))
        self.denominator.set_width_chars(3)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.denominator)
        self.denominator.show()
        toolbar.insert(toolitem, -1)
        toolitem.show()

        button = ToolButton('list-add')
        button.set_tooltip(_('add new fraction'))
        button.props.sensitive = True
        button.props.accelerator = 'Return'
        button.connect('clicked', self._add_fraction_cb)
        toolbar.insert(button, -1)
        button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(False)
        toolbar.insert(separator, -1)
        separator.show()

        button = ToolButton('soccerball')
        button.set_tooltip(_('choose a ball'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._ball_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for ball in BALLDICT.keys():
            if ball == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(ball)
            button.connect('clicked', self._load_ball_cb, None, ball)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_ball_cb,
                             ball)
            label = Gtk.Label(BALLDICT[ball][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._ball_palette.set_content(button_grid)
        button_grid.show()

        button = ToolButton('insert-picture')
        button.set_tooltip(_('choose a background'))
        button.props.sensitive = True
        button.connect('clicked', self._button_palette_cb)
        toolbar.insert(button, -1)
        button.show()
        self._bg_palette = button.get_palette()
        button_grid = Gtk.Grid()
        row = 0
        for bg in BGDICT.keys():
            if bg == 'custom':
                button = ToolButton('view-source')
            else:
                button = ToolButton(bg)
            button.connect('clicked', self._load_bg_cb, None, bg)
            eventbox = Gtk.EventBox()
            eventbox.connect('button_press_event', self._load_bg_cb, bg)
            label = Gtk.Label(BGDICT[bg][0])
            eventbox.add(label)
            label.show()
            button_grid.attach(button, 0, row, 1, 1)
            button.show()
            button_grid.attach(eventbox, 1, row, 1, 1)
            eventbox.show()
            row += 1
        self._bg_palette.set_content(button_grid)
        button_grid.show()

    def _button_palette_cb(self, button):
        palette = button.get_palette()
        if palette:
            if not palette.is_up():
                palette.popup(immediate=True, state=palette.SECONDARY)
            else:
                palette.popdown(immediate=True)

    def can_close(self):
        # Let everyone know we are leaving...
        if hasattr(self, '_bounce_window') and \
           self._bounce_window.we_are_sharing():
            self._playing = False
            self.send_event('l', {"data": (json_dump([self.nick]))})
        return True

    def _setup_canvas(self):
        canvas = Gtk.DrawingArea()
        canvas.set_size_request(Gdk.Screen.width(),
                                Gdk.Screen.height())
        self.set_canvas(canvas)
        canvas.show()
        return canvas

    def _load_bg_cb(self, widget, event, bg):
        if bg == 'custom':
            chooser(self, 'Image', self._new_background_from_journal)
        else:
            self._bounce_window.set_background(BGDICT[bg][1])

    def _load_ball_cb(self, widget, event, ball):
        if ball == 'custom':
            chooser(self, 'Image', self._new_ball_from_journal)
        else:
            self._bounce_window.ball.new_ball(os.path.join(
                activity.get_bundle_path(), 'images', ball + '.svg'))
            self._bounce_window.set_background(BGDICT[BALLDICT[ball][1]][1])
        self._current_ball = ball

    def _reset_ball(self):
        ''' If we switch back from sector mode, we need to restore the ball '''
        if self._bounce_window.mode != 'sectors':
            return

        if self._current_ball == 'custom':  # TODO: Reload custom ball
            self._current_ball = 'soccerball'
        self._bounce_window.ball.new_ball(os.path.join(
            activity.get_bundle_path(), 'images', self._current_ball + '.svg'))

    def _new_ball_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.ball.new_ball_from_image(
            dsobject.file_path,
            os.path.join(activity.get_activity_root(), 'tmp', 'custom.png'))

    def _new_background_from_journal(self, dsobject):
        ''' Load an image from the Journal. '''
        self._bounce_window.new_background_from_image(None, dsobject=dsobject)

    def _fraction_cb(self, arg=None):
        ''' Set fraction mode '''
        self._reset_ball()
        self._bounce_window.mode = 'fractions'

    def _percent_cb(self, arg=None):
        ''' Set percent mode '''
        self._reset_ball()
        self._bounce_window.mode = 'percents'

    def _sector_cb(self, arg=None):
        ''' Set sector mode '''
        self._bounce_window.mode = 'sectors'

    def _add_fraction_cb(self, arg=None):
        ''' Read entries and add a fraction to the list '''
        try:
            numerator = int(self.numerator.get_text().strip())
        except ValueError:
            self.numerator.set_text('NAN')
            numerator = 0
        try:
            denominator = int(self.denominator.get_text().strip())
        except ValueError:
            self.denominator.set_text('NAN')
            denominator = 1
        if denominator == 0:
            self.denominator.set_text('ZDE')
        if numerator > denominator:
            numerator = 0
        if numerator > 0 and denominator > 1:
            fraction = '%d/%d' % (numerator, denominator)
            self._bounce_window.add_fraction(fraction)
            if 'custom' in self.metadata:  # Save to Journal
                self.metadata['custom'] = '%s,%s' % (
                    self.metadata['custom'], fraction)
            else:
                self.metadata['custom'] = fraction

            self.alert(
                _('New fraction'),
                _('Your fraction, %s, has been added to the program' %
                  (fraction)))

    def reset_label(self, label):
        ''' update the challenge label '''
        self._label.set_label(label)

    def alert(self, title, text=None):
        alert = NotifyAlert(timeout=5)
        alert.props.title = title
        alert.props.msg = text
        self.add_alert(alert)
        alert.connect('response', self._alert_cancel_cb)
        alert.show()

    def _alert_cancel_cb(self, alert, response_id):
        self.remove_alert(alert)

    # Collaboration-related methods

    def _setup_sharing(self):
        ''' Setup the Presence Service. '''
        self.pservice = presenceservice.get_instance()
        self.initiating = None  # sharing (True) or joining (False)

        owner = self.pservice.get_owner()
        self.owner = owner
        self._bounce_window.buddies.append(self.nick)
        self._player_colors = [self._colors]
        self._player_pixbufs = [
            svg_str_to_pixbuf(generate_xo_svg(scale=0.8, colors=self._colors))
        ]
        self._share = ''
        self.connect('shared', self._shared_cb)
        self.connect('joined', self._joined_cb)

    def _shared_cb(self, activity):
        ''' Either set up initial share...'''
        self._new_tube_common(True)

    def _joined_cb(self, activity):
        ''' ...or join an exisiting share. '''
        self._new_tube_common(False)

    def _new_tube_common(self, sharer):
        ''' Joining and sharing are mostly the same... '''
        if self.shared_activity is None:
            _logger.debug('Error: Failed to share or join activity ... \
                shared_activity is null in _shared_cb()')
            return

        self.initiating = sharer
        self.waiting_for_fraction = not sharer

        self.conn = self.shared_activity.telepathy_conn
        self.tubes_chan = self.shared_activity.telepathy_tubes_chan
        self.text_chan = self.shared_activity.telepathy_text_chan

        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
            'NewTube', self._new_tube_cb)

        if sharer:
            _logger.debug('This is my activity: making a tube...')
            id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
                SERVICE, {})

            self._label.set_label(_('Wait for others to join.'))
        else:
            _logger.debug('I am joining an activity: waiting for a tube...')
            self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
                reply_handler=self._list_tubes_reply_cb,
                error_handler=self._list_tubes_error_cb)

        # display your XO on the toolbar
        self._player.set_from_pixbuf(self._player_pixbufs[0])

    def _list_tubes_reply_cb(self, tubes):
        ''' Reply to a list request. '''
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    def _list_tubes_error_cb(self, e):
        ''' Log errors. '''
        _logger.debug('Error: ListTubes() failed: %s', e)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        ''' Create a new tube. '''
        _logger.debug(
            'Newtube: ID=%d initator=%d type=%d service=%s params=%r state=%d',
            id, initiator, type, service, params, state)

        if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
            if state == telepathy.TUBE_STATE_LOCAL_PENDING:
                self.tubes_chan[ \
                              telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)

            self.collab = CollabWrapper(self)
            self.collab.message.connect(self.event_received_cb)
            self.collab.setup()

            # Let the sharer know a new joiner has arrived.
            if self.waiting_for_fraction:
                self.send_event('j', {"data": (json_dump([self.nick,
                                                     self._colors]))})

    def _setup_dispatch_table(self):
        self._processing_methods = {
            'j': [self._new_joiner, 'new joiner'],
            'b': [self._buddy_list, 'buddy list'],
            'f': [self._receive_a_fraction, 'receive a fraction'],
            't': [self._take_a_turn, 'take a turn'],
            'l': [self._buddy_left, 'buddy left']
            }

    def event_received_cb(self, event_message):
        ''' Data from a tube has arrived. '''
        if len(event_message) == 0:
            return
        try:
            command, payload = event_message.split('|', 2)
        except ValueError:
            _logger.debug('Could not split event message %s', event_message)
            return
        _logger.debug('received an event %s|%s', command, payload)
        if self._playing:
            self._processing_methods[command][0](payload)

    def _buddy_left(self, payload):
        [nick] = json_load(payload)
        self._label.set_label(nick + ' ' + _('has left.'))
        if self.initiating:
            self._remove_player(nick)
            payload = json_dump([self._bounce_window.buddies,
                                 self._player_colors])
            self.send_event('b', {"data": payload})
            # Restart from sharer's turn
            self._bounce_window.its_my_turn()

    def _new_joiner(self, payload):
        ''' Someone has joined; sharer adds them to the buddy list. '''
        [nick, colors] = json_load(payload)
        self._label.set_label(nick + ' ' + _('has joined.'))
        if self.initiating:
            self._append_player(nick, colors)
            payload = json_dump([self._bounce_window.buddies,
                                 self._player_colors])
            self.send_event('b', {"data": payload})
            if self._bounce_window.count == 0:  # Haven't started yet...
                self._bounce_window.its_my_turn()

    def _remove_player(self, nick):
        if nick in self._bounce_window.buddies:
            i = self._bounce_window.buddies.index(nick)
            self._bounce_window.buddies.remove(nick)
            self._player_colors.remove(self._player_colors[i])
            self._player_pixbufs.remove(self._player_pixbufs[i])

    def _append_player(self, nick, colors):
        ''' Keep a list of players, their colors, and an XO pixbuf '''
        if not nick in self._bounce_window.buddies:
            _logger.debug('appending %s to the buddy list', nick)
            self._bounce_window.buddies.append(nick)
            self._player_colors.append([str(colors[0]), str(colors[1])])
            self._player_pixbufs.append(svg_str_to_pixbuf(
                generate_xo_svg(scale=0.8,
                                colors=self._player_colors[-1])))

    def _buddy_list(self, payload):
        '''Sharer sent the updated buddy list, so regenerate internal lists'''
        if not self.initiating:
            [buddies, colors] = json_load(payload)
            self._bounce_window.buddies = buddies[:]
            self._player_colors = colors[:]
            self._player_pixbufs = []
            for colors in self._player_colors:
                self._player_pixbufs.append(svg_str_to_pixbuf(
                    generate_xo_svg(scale=0.8,
                                    colors=[str(colors[0]), str(colors[1])])))

    def send_a_fraction(self, fraction):
        ''' Send a fraction to other players. '''
        payload = json_dump(fraction)
        self.send_event('f', {"data": payload})

    def _receive_a_fraction(self, payload):
        ''' Receive a fraction from another player. '''
        fraction = json_load(payload)
        self._bounce_window.play_a_fraction(fraction)

    def _take_a_turn(self, nick):
        ''' If it is your turn, take it, otherwise, wait. '''
        if nick == self.nick:
            self._bounce_window.its_my_turn()
        else:
            self._bounce_window.its_their_turn(nick)

    def send_event(self, command, data):
        ''' Send event through the tube. '''
        _logger.debug('sending event: %s', command)
        if hasattr(self, 'collab') and self.collab is not None:
            data["command"] = command
            self.collab.post(data)

    def set_player_on_toolbar(self, nick):
        ''' Display the XO icon of the player whose turn it is. '''
        self._player.set_from_pixbuf(self._player_pixbufs[
                self._bounce_window.buddies.index(nick)])
        self._player.set_tooltip_text(nick)
Exemplo n.º 9
0
class Chat(activity.Activity):

    def __init__(self, handle):
        smilies.init()

        pservice = presenceservice.get_instance()
        self.owner = pservice.get_owner()

        self._ebook_mode_detector = EbookModeDetector()

        self.chatbox = ChatBox(
            self.owner, self._ebook_mode_detector.get_ebook_mode())
        self.chatbox.connect('open-on-journal', self.__open_on_journal)

        super(Chat, self).__init__(handle)

        self._entry = None
        self._has_alert = False
        self._has_osk = False

        self._setup_canvas()
        GObject.idle_add(self._create_smiley_window)

        self._entry.grab_focus()

        toolbar_box = ToolbarBox()
        self.set_toolbar_box(toolbar_box)

        self._activity_toolbar_button = ActivityToolbarButton(self)
        self._activity_toolbar_button.connect('clicked', self._fixed_resize_cb)

        toolbar_box.toolbar.insert(self._activity_toolbar_button, 0)
        self._activity_toolbar_button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar_box.toolbar.insert(separator, -1)

        toolbar_box.toolbar.insert(StopButton(self), -1)
        toolbar_box.show_all()

        # Chat is room or one to one:
        self._chat_is_room = False
        self.text_channel = None

        if _HAS_SOUND:
            self.element = Gst.ElementFactory.make('playbin', 'Player')

        if self.shared_activity:
            # we are joining the activity
            self._entry.props.placeholder_text = \
                _('Please wait for a connection before starting to chat.')
            self.connect('joined', self._joined_cb)
            if self.get_shared():
                # we have already joined
                self._joined_cb(self)
        elif handle.uri:
            # XMPP non-sugar3 incoming chat, not sharable
            self._activity_toolbar_button.props.page.share.props.visible = \
                False
            self._one_to_one_connection(handle.uri)
        else:
            # we are creating the activity
            if not self.metadata or self.metadata.get(
                    'share-scope', activity.SCOPE_PRIVATE) == \
                    activity.SCOPE_PRIVATE:
                # if we are in private session
                self._alert(_('Off-line'), _('Share, or invite someone.'))
            else:
                self._entry.props.placeholder_text = \
                    _('Please wait for a connection before starting to chat.')
            self.connect('shared', self._shared_cb)

    def _fixed_resize_cb(self, widget=None, rect=None):
        ''' If a toolbar opens or closes, we need to resize the vbox
        holding out scrolling window. '''
        if self._has_alert:
            dy = style.GRID_CELL_SIZE
        else:
            dy = 0
        if self._has_osk:
            if Gdk.Screen.width() > Gdk.Screen.height():
                dy += OSK_HEIGHT[0]
            else:
                dy += OSK_HEIGHT[1]

        if self._toolbar_expanded():
            self.chatbox.set_size_request(
                self._chat_width,
                self._chat_height - style.GRID_CELL_SIZE - dy)
            self._fixed.move(self._entry_grid, style.GRID_CELL_SIZE,
                             self._chat_height - style.GRID_CELL_SIZE - dy)
        else:
            self.chatbox.set_size_request(self._chat_width,
                                          self._chat_height - dy)
            self._fixed.move(self._entry_grid, style.GRID_CELL_SIZE,
                             self._chat_height - dy)

        self.chatbox.resize_conversation(dy)

    def _setup_canvas(self):
        ''' Create a canvas '''
        self._fixed = Gtk.Fixed()
        self._fixed.set_size_request(
            Gdk.Screen.width(), Gdk.Screen.height() - style.GRID_CELL_SIZE)
        self._fixed.connect('size-allocate', self._fixed_resize_cb)
        self.set_canvas(self._fixed)
        self._fixed.show()

        self._entry_widgets = self._make_entry_widgets()
        self._fixed.put(self.chatbox, 0, 0)
        self.chatbox.show()

        self._fixed.put(self._entry_grid, style.GRID_CELL_SIZE,
                        self._chat_height)
        self._entry_grid.show()

        Gdk.Screen.get_default().connect('size-changed', self._configure_cb)

    def _configure_cb(self, event):
        self._fixed.set_size_request(
            Gdk.Screen.width(), Gdk.Screen.height() - style.GRID_CELL_SIZE)
        if self._ebook_mode_detector.get_ebook_mode():
            self._entry_height = int(style.GRID_CELL_SIZE * 1.5)
        else:
            self._entry_height = style.GRID_CELL_SIZE
        entry_width = Gdk.Screen.width() - \
                      2 * (self._entry_height + style.GRID_CELL_SIZE)
        self._entry.set_size_request(entry_width, self._entry_height)
        self._entry_grid.set_size_request(
            Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE,
            self._entry_height)

        self._chat_height = Gdk.Screen.height() - self._entry_height - \
                                style.GRID_CELL_SIZE
        self._chat_width = Gdk.Screen.width()
        self.chatbox.set_size_request(self._chat_width, self._chat_height)
        self.chatbox.resize_all()

        width = int(Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE)
        if self._ebook_mode_detector.get_ebook_mode():
            height = int(Gdk.Screen.height() - 8 * style.GRID_CELL_SIZE)
        else:
            height = int(Gdk.Screen.height() - 5 * style.GRID_CELL_SIZE)
        self._smiley_table.set_size_request(width, height)
        self._smiley_toolbar.set_size_request(width, -1)
        self._smiley_window.set_size_request(width, -1)

        self._fixed_resize_cb()

    def _create_smiley_table(self, width):
        button_size = style.STANDARD_ICON_SIZE + style.DEFAULT_PADDING
        width = width - 2 * style.DEFAULT_SPACING
        smilies_columns = int(width / button_size) - 2

        table = Gtk.Grid()
        table.set_row_spacing(0)
        table.set_column_spacing(0)
        table.set_border_width(style.DEFAULT_SPACING)

        x = 0
        y = 0
        for i in range(len(smilies.THEME)):
            path, hint, codes = smilies.THEME[i]
            image = Gtk.Image()
            image.set_from_file(path)
            button = Gtk.ToolButton()
            button.set_icon_widget(image)
            button.connect('clicked', self._add_smiley_to_entry, codes[0])
            table.attach(button, x, y, 1, 1)
            button.show()
            x += 1
            if x == smilies_columns:
                y += 1
                x = 0
        return table

    def _add_smiley_to_entry(self, button, text):
        pos = self._entry.props.cursor_position
        self._entry.insert_text(text, pos)
        self._entry.grab_focus()
        self._entry.set_position(pos + len(text))
        self._hide_smiley_window()

    def _shared_cb(self, sender):
        self._setup()

    def _one_to_one_connection(self, tp_channel):
        '''Handle a private invite from a non-sugar3 XMPP client.'''
        if self.shared_activity or self.text_channel:
            return
        bus_name, connection, channel = json.loads(tp_channel)
        logger.debug('GOT XMPP: %s %s %s', bus_name, connection, channel)
        Connection(bus_name, connection, ready_handler=lambda conn:
                   self._one_to_one_connection_ready_cb(
                       bus_name, channel, conn))

    def _one_to_one_connection_ready_cb(self, bus_name, channel, conn):
        '''Callback for Connection for one to one connection'''
        text_channel = Channel(bus_name, channel)
        self.text_channel = TextChannelWrapper(text_channel, conn)
        self.text_channel.set_received_callback(self._received_cb)
        self.text_channel.handle_pending_messages()
        self.text_channel.set_closed_callback(
            self._one_to_one_connection_closed_cb)
        self._chat_is_room = False
        self._alert(_('On-line'), _('Private Chat'))

        # XXX How do we detect the sender going offline?
        self._entry.set_sensitive(True)
        self._entry.props.placeholder_text = None
        self._entry.grab_focus()

    def _one_to_one_connection_closed_cb(self):
        '''Callback for when the text channel closes.'''
        self._alert(_('Off-line'), _('left the chat'))

    def _setup(self):
        self.text_channel = TextChannelWrapper(
            self.shared_activity.telepathy_text_chan,
            self.shared_activity.telepathy_conn)
        self.text_channel.set_received_callback(self._received_cb)
        self._alert(_('On-line'), _('Connected'))
        self.shared_activity.connect('buddy-joined', self._buddy_joined_cb)
        self.shared_activity.connect('buddy-left', self._buddy_left_cb)
        self._chat_is_room = True
        self._entry.set_sensitive(True)
        self._entry.props.placeholder_text = None
        self._entry.grab_focus()

    def _joined_cb(self, sender):
        '''Joined a shared activity.'''
        if not self.shared_activity:
            return
        logger.debug('Joined a shared chat')
        for buddy in self.shared_activity.get_joined_buddies():
            self._buddy_already_exists(buddy)
        self._setup()

    def _received_cb(self, buddy, text):
        '''Show message that was received.'''
        if buddy:
            if type(buddy) is dict:
                nick = buddy['nick']
            else:
                nick = buddy.props.nick
        else:
            nick = '???'
        logger.debug('Received message from %s: %s', nick, text)
        self.chatbox.add_text(buddy, text)

        if self.owner.props.nick in text:
            self.play_sound('said_nick')

        '''
        vscroll = self.chatbox.get_vadjustment()
        if vscroll.get_property('value') != vscroll.get_property('upper'):
            self._alert(_('New message'), _('New message from %s' % nick))
        '''
        if not self.has_focus:
            self.notify_user(_('Message from %s') % buddy, text)

    def _toolbar_expanded(self):
        if self._activity_toolbar_button.is_expanded():
            return True
        return False

    def _alert(self, title, text=None):
        alert = NotifyAlert(timeout=5)
        alert.props.title = title
        alert.props.msg = text
        self.add_alert(alert)
        alert.connect('response', self._alert_cancel_cb)
        alert.show()
        self._has_alert = True
        self._fixed_resize_cb()

    def _alert_cancel_cb(self, alert, response_id):
        self.remove_alert(alert)
        self._has_alert = False
        self._fixed_resize_cb()

    def __open_on_journal(self, widget, url):
        '''Ask the journal to display a URL'''
        logger.debug('Create journal entry for URL: %s', url)
        jobject = datastore.create()
        metadata = {
            'title': '%s: %s' % (_('URL from Chat'), url),
            'title_set_by_user': '******',
            'icon-color': profile.get_color().to_string(),
            'mime_type': 'text/uri-list',
            }
        for k, v in metadata.items():
            jobject.metadata[k] = v
        file_path = os.path.join(get_activity_root(), 'instance',
                                 '%i_' % time.time())
        open(file_path, 'w').write(url + '\r\n')
        os.chmod(file_path, 0755)
        jobject.set_file_path(file_path)
        datastore.write(jobject)
        show_object_in_journal(jobject.object_id)
        jobject.destroy()
        os.unlink(file_path)

    def _buddy_joined_cb(self, sender, buddy):
        '''Show a buddy who joined'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(
            buddy, _('%s joined the chat') % buddy.props.nick,
            status_message=True)

        self.play_sound('login')

    def _buddy_left_cb(self, sender, buddy):
        '''Show a buddy who joined'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(
            buddy, _('%s left the chat') % buddy.props.nick,
            status_message=True)

        self.play_sound('logout')

    def _buddy_already_exists(self, buddy):
        '''Show a buddy already in the chat.'''
        if buddy == self.owner:
            return
        self.chatbox.add_text(
            buddy, _('%s is here') % buddy.props.nick,
            status_message=True)

    def can_close(self):
        '''Perform cleanup before closing.
        Close text channel of a one to one XMPP chat.
        '''
        if self._chat_is_room is False:
            if self.text_channel is not None:
                self.text_channel.close()
        return True

    def _make_entry_widgets(self):
        '''We need to create a button for the smiley, a text entry, and a
        send button.

        All of this, along with the chatbox, goes into a grid.

        ---------------------------------------
        | chat box                            |
        | smiley button | entry | send button |
        ---------------------------------------
        '''
        if self._ebook_mode_detector.get_ebook_mode():
            self._entry_height = int(style.GRID_CELL_SIZE * 1.5)
        else:
            self._entry_height = style.GRID_CELL_SIZE
        entry_width = Gdk.Screen.width() - \
                      2 * (self._entry_height + style.GRID_CELL_SIZE)
        self._chat_height = Gdk.Screen.height() - self._entry_height - \
                            style.GRID_CELL_SIZE
        self._chat_width = Gdk.Screen.width()

        self.chatbox.set_size_request(self._chat_width, self._chat_height)

        self._entry_grid = Gtk.Grid()
        self._entry_grid.set_size_request(
            Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE,
            self._entry_height)

        smiley_button = EventIcon(icon_name='smilies',
                                  pixel_size=self._entry_height)
        smiley_button.connect('button-press-event', self._smiley_button_cb)
        self._entry_grid.attach(smiley_button, 0, 0, 1, 1)
        smiley_button.show()

        self._entry = Gtk.Entry()
        self._entry.set_size_request(entry_width, self._entry_height)
        self._entry.modify_bg(Gtk.StateType.INSENSITIVE,
                              style.COLOR_WHITE.get_gdk_color())
        self._entry.modify_base(Gtk.StateType.INSENSITIVE,
                                style.COLOR_WHITE.get_gdk_color())

        self._entry.set_sensitive(False)
        self._entry.props.placeholder_text = \
            _('You must be connected to a friend before starting to chat.')

        self._entry.connect('focus-in-event', self._entry_focus_in_cb)
        self._entry.connect('focus-out-event', self._entry_focus_out_cb)
        self._entry.connect('activate', self._entry_activate_cb)
        self._entry.connect('key-press-event', self._entry_key_press_cb)
        self._entry_grid.attach(self._entry, 1, 0, 1, 1)
        self._entry.show()

        send_button = EventIcon(icon_name='send',
                                pixel_size=self._entry_height)
        send_button.connect('button-press-event', self._send_button_cb)
        self._entry_grid.attach(send_button, 2, 0, 1, 1)
        send_button.show()

    def _get_icon_pixbuf(self, name):
        icon_theme = Gtk.IconTheme.get_default()
        icon_info = icon_theme.lookup_icon(
            name, style.LARGE_ICON_SIZE, 0)
        pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
            icon_info.get_filename(), style.LARGE_ICON_SIZE,
            style.LARGE_ICON_SIZE)
        del icon_info
        return pixbuf

    def _entry_focus_in_cb(self, entry, event):
        self._hide_smiley_window()

        if self._ebook_mode_detector.get_ebook_mode():
            self._has_osk = True
            self._fixed_resize_cb()

    def _entry_focus_out_cb(self, entry, event):
        if self._ebook_mode_detector.get_ebook_mode():
            self._has_osk = False
            self._fixed_resize_cb()

    def _entry_key_press_cb(self, widget, event):
        '''Check for scrolling keys.

        Check if the user pressed Page Up, Page Down, Home or End and
        scroll the window according the pressed key.
        '''
        vadj = self.chatbox.get_vadjustment()
        if event.keyval == Gdk.KEY_Page_Down:
            value = vadj.get_value() + vadj.page_size
            if value > vadj.upper - vadj.page_size:
                value = vadj.upper - vadj.page_size
            vadj.set_value(value)
        elif event.keyval == Gdk.KEY_Page_Up:
            vadj.set_value(vadj.get_value() - vadj.page_size)
        elif event.keyval == Gdk.KEY_Home and \
             event.get_state() & Gdk.ModifierType.CONTROL_MASK:
                vadj.set_value(vadj.lower)
        elif event.keyval == Gdk.KEY_End and \
             event.get_state() & Gdk.ModifierType.CONTROL_MASK:
                vadj.set_value(vadj.upper - vadj.page_size)

    def _smiley_button_cb(self, widget, event):
        self._show_smiley_window()

    def _send_button_cb(self, widget, event):
        self._entry_activate_cb(self._entry)

    def _entry_activate_cb(self, entry):
        self.chatbox._scroll_auto = True

        text = entry.props.text
        if text:
            logger.debug('Adding text to chatbox: %s: %s' % (self.owner, text))
            self.chatbox.add_text(self.owner, text)
            entry.props.text = ''
            if self.text_channel:
                logger.debug('sending to text_channel: %s' % (text))
                self.text_channel.send(text)
            else:
                logger.debug('Tried to send message but text channel '
                             'not connected.')

    def write_file(self, file_path):
        '''Store chat log in Journal.

        Handling the Journal is provided by Activity - we only need
        to define this method.
        '''
        logger.debug('write_file: writing %s' % file_path)
        self.chatbox.add_log_timestamp()
        f = open(file_path, 'w')
        try:
            f.write(self.chatbox.get_log())
        finally:
            f.close()
        self.metadata['mime_type'] = 'text/plain'

    def read_file(self, file_path):
        '''Load a chat log from the Journal.
        Handling the Journal is provided by Activity - we only need
        to define this method.
        '''
        logger.debug('read_file: reading %s' % file_path)
        log = open(file_path).readlines()
        last_line_was_timestamp = False
        for line in log:
            if line.endswith('\t\t\n'):
                if last_line_was_timestamp is False:
                    timestamp = line.strip().split('\t')[0]
                    self.chatbox.add_separator(timestamp)
                    last_line_was_timestamp = True
            else:
                timestamp, nick, color, status, text = line.strip().split('\t')
                status_message = bool(int(status))
                self.chatbox.add_text({'nick': nick, 'color': color},
                                      text, status_message)
                last_line_was_timestamp = False

    def play_sound(self, event):
        if _HAS_SOUND:
            SOUNDS_PATH = os.path.join(get_bundle_path(), 'sounds')
            SOUNDS = {'said_nick': os.path.join(SOUNDS_PATH, 'alert.wav'),
                      'login': os.path.join(SOUNDS_PATH, 'login.wav'),
                      'logout': os.path.join(SOUNDS_PATH, 'logout.wav')}

            self.element.set_state(Gst.State.NULL)
            self.element.set_property('uri', 'file://%s' % SOUNDS[event])
            self.element.set_state(Gst.State.PLAYING)

    def _create_smiley_window(self):
        grid = Gtk.Grid()
        width = int(Gdk.Screen.width() - 2 * style.GRID_CELL_SIZE)

        self._smiley_toolbar = SmileyToolbar(self)
        height = style.GRID_CELL_SIZE
        self._smiley_toolbar.set_size_request(width, height)
        grid.attach(self._smiley_toolbar, 0, 0, 1, 1)
        self._smiley_toolbar.show()

        self._smiley_table = Gtk.ScrolledWindow()
        self._smiley_table.set_policy(Gtk.PolicyType.AUTOMATIC,
                                      Gtk.PolicyType.AUTOMATIC)
        self._smiley_table.modify_bg(
            Gtk.StateType.NORMAL, style.COLOR_BLACK.get_gdk_color())
        if self._ebook_mode_detector.get_ebook_mode():
            height = int(Gdk.Screen.height() - 8 * style.GRID_CELL_SIZE)
        else:
            height = int(Gdk.Screen.height() - 5 * style.GRID_CELL_SIZE)
        self._smiley_table.set_size_request(width, height)

        table = self._create_smiley_table(width)
        self._smiley_table.add_with_viewport(table)
        table.show_all()

        grid.attach(self._smiley_table, 0, 1, 1, 1)
        self._smiley_table.show()

        self._smiley_window = Gtk.ScrolledWindow()
        self._smiley_window.set_policy(Gtk.PolicyType.NEVER,
                                       Gtk.PolicyType.NEVER)
        self._smiley_window.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        self._smiley_window.set_size_request(width, -1)

        self._smiley_window.add_with_viewport(grid)
        grid.show()

        self._fixed.put(self._smiley_window, style.GRID_CELL_SIZE, 0)

    def _show_smiley_window(self):
        self._smiley_window.show()

    def _hide_smiley_window(self):
        self._smiley_window.hide()
Exemplo n.º 10
0
class TrainingActivity(activity.Activity):
    ''' A series of training exercises '''
    transfer_started_signal = GObject.Signal('started', arg_types=([]))
    transfer_progressed_signal = GObject.Signal('progressed', arg_types=([]))
    transfer_completed_signal = GObject.Signal('completed', arg_types=([]))
    transfer_failed_signal = GObject.Signal('failed', arg_types=([]))

    def __init__(self, handle):
        ''' Initialize the toolbars and the game board '''
        try:
            super(TrainingActivity, self).__init__(handle)
        except dbus.exceptions.DBusException as e:
            _logger.error(str(e))

        self.connect('realize', self.__realize_cb)
        self.connect('started', self.__transfer_started_cb)
        self.connect('progressed', self.__transfer_progressed_cb)
        self.connect('completed', self.__transfer_completed_cb)
        self.connect('failed', self.__transfer_failed_cb)

        self.volume_monitor = Gio.VolumeMonitor.get()
        self.volume_monitor.connect('mount-added', self._mount_added_cb)
        self.volume_monitor.connect('mount-removed', self._mount_removed_cb)

        if hasattr(self, 'metadata') and 'font_size' in self.metadata:
            self.font_size = int(self.metadata['font_size'])
        else:
            self.font_size = 8
        self.zoom_level = self.font_size / float(len(FONT_SIZES))
        _logger.debug('zoom level is %f' % self.zoom_level)

        _check_gconf_settings()  # For debugging purposes

        self._setup_toolbars()
        self.modify_bg(Gtk.StateType.NORMAL,
                       style.COLOR_WHITE.get_gdk_color())

        self.bundle_path = activity.get_bundle_path()
        self.volume_data = []

        self.help_palette = None
        self.help_panel_visible = False
        self._copy_entry = None
        self._paste_entry = None
        self._webkit = None
        self._clipboard_text = ''
        self._fixed = None
        self._notify_transfer_status = False

        if self._load_extension() and self.check_volume_data():
            self._launcher()

    def _launcher(self):
        get_power_manager().inhibit_suspend()

        # We are resuming the activity or we are launching a new instance?
        # * Is there a data file to sync on the USB key?
        # * Do we create a new data file on the USB key?
        path = self._check_for_USB_data()
        if path is None:
            self._launch_task_master()
        elif self._sync_data_from_USB(path):
            self._copy_data_from_USB()
            # Flash a welcome back screen.
            self._load_intro_graphics(file_name='welcome-back.html')
            GObject.timeout_add(1500, self._launch_task_master)

    def can_close(self):
        get_power_manager().restore_suspend()
        return True

    def busy_cursor(self):
        self._old_cursor = self.get_window().get_cursor()
        self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))

    def reset_cursor(self):
        if hasattr(self, '_old_cursor'):
            self.get_window().set_cursor(self._old_cursor)

    def check_volume_data(self):
        # Before we begin (and before each task),
        # we need to find any and all USB keys
        # and any and all training-data files on them.

        _logger.debug(utils.get_volume_paths())
        self.volume_data = []
        for path in utils.get_volume_paths():
            os.path.basename(path)
            self.volume_data.append(
                {'basename': os.path.basename(path),
                 'files': utils.look_for_training_data(path),
                 'sugar_path': os.path.join(self.get_activity_root(), 'data'),
                 'usb_path': path})
            _logger.debug(self.volume_data[-1])

        # (1) We require a USB key
        if len(self.volume_data) == 0:
            _logger.error('NO USB KEY INSERTED')
            alert = ConfirmationAlert()
            alert.props.title = _('USB key required')
            alert.props.msg = _('You must insert a USB key before launching '
                                'this activity.')
            alert.connect('response', self._remove_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(file_name='insert-usb.html')
            return False

        # (2) Only one USB key
        if len(self.volume_data) > 1:
            _logger.error('MULTIPLE USB KEYS INSERTED')
            alert = ConfirmationAlert()
            alert.props.title = _('Multiple USB keys found')
            alert.props.msg = _('Only one USB key must be inserted while '
                                'running this program.\nPlease remove any '
                                'additional USB keys before launching '
                                'this activity.')
            alert.connect('response', self._remove_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(message=alert.props.msg)
            return False

        volume = self.volume_data[0]

        # (3) At least 10MB of free space
        if utils.is_full(volume['usb_path'],
                         required=_MINIMUM_SPACE):
            _logger.error('USB IS FULL')
            alert = ConfirmationAlert()
            alert.props.title = _('USB key is full')
            alert.props.msg = _('No room on USB')
            alert.connect('response', self._close_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(message=alert.props.msg)
            return False

        # (4) File is read/write
        if not utils.is_writeable(volume['usb_path']):
            _logger.error('CANNOT WRITE TO USB')
            alert = ConfirmationAlert()
            alert.props.title = _('Cannot write to USB')
            alert.props.msg = _('USB key seems to be read-only.')
            alert.connect('response', self._close_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(message=alert.props.msg)
            return False

        # (5) Only one set of training data per USB key
        # We expect UIDs to formated as XXXX-XXXX
        # We need to make sure we have proper UIDs associated with
        # the USBs and the files on them match the UID.
        # (a) If there are no files, we will assign the UID based on the
        #     volume path;
        # (b) If there is one file with a valid UID, we use that UID;
        if len(volume['files']) == 0:
            volume['uid'] = 'training-data-%s' % \
                            utils.format_volume_name(volume['basename'])
            _logger.debug('No training data found. Using UID %s' %
                          volume['uid'])
            return True
        elif len(volume['files']) == 1:
            volume['uid'] = 'training-data-%s' % volume['files'][0][-9:]
            _logger.debug('Training data found. Using UID %s' %
                          volume['uid'])
            return True
        else:
            _logger.error('MULTIPLE TRAINING-DATA FILES FOUND')
            alert = ConfirmationAlert()
            alert.props.title = _('Multiple training-data files found.')
            alert.props.msg = _('There can only be one set of training '
                                'data per USB key.')
            alert.connect('response', self._close_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(message=alert.props.msg)
            return False

    def _check_for_USB_data(self):
        usb_path = os.path.join(self.volume_data[0]['usb_path'],
                                self.volume_data[0]['uid'])
        if os.path.exists(usb_path):
            return usb_path
        else:
            return None

    def _sync_data_from_USB(self, usb_data_path=None):
        # We need to sync up file on USB with file on disk,
        # but only if the email addresses match. Otherwise,
        # raise an error.
        if usb_data_path is not None:
            usb_data = {}
            if os.path.exists(usb_data_path):
                fd = open(usb_data_path, 'r')
                json_data = fd.read()
                fd.close()
                if len(json_data) > 0:
                    try:
                        usb_data = json.loads(json_data)
                    except ValueError as e:
                        _logger.error('Cannot load USB data: %s' % e)
            else:
                _logger.error('Cannot find USB data: %s' % usb_data_path)

            sugar_data_path = os.path.join(
                self.volume_data[0]['sugar_path'],
                self.volume_data[0]['uid'])
            sugar_data = {}
            if os.path.exists(sugar_data_path):
                fd = open(sugar_data_path, 'r')
                json_data = fd.read()
                fd.close()
                if len(json_data) > 0:
                    try:
                        sugar_data = json.loads(json_data)
                    except ValueError as e:
                        _logger.error('Cannot load Sugar data: %s' % e)
            else:
                _logger.error('Cannot find Sugar data: %s' % sugar_data_path)

            # First, check to make sure email_address matches
            if EMAIL_UID in usb_data:
                usb_email = usb_data[EMAIL_UID]
            else:
                usb_email = None
            if EMAIL_UID in sugar_data:
                sugar_email = sugar_data[EMAIL_UID]
            else:
                sugar_email = None
            if usb_email != sugar_email:
                if usb_email is None and sugar_email is not None:
                    _logger.warning('Using email address from Sugar: %s' %
                                    sugar_email)
                    usb_data[EMAIL_UID] = sugar_email
                elif usb_email is not None and sugar_email is None:
                    _logger.warning('Using email address from USB: %s' %
                                    usb_email)
                    sugar_data[EMAIL_UID] = usb_email
                elif usb_email is None and sugar_email is None:
                    _logger.warning('No email address found')
                else:
                    # FIX ME: We need to resolve this, but for right now, punt.
                    alert = ConfirmationAlert()
                    alert.props.title = _('Data mismatch')
                    alert.props.msg = _('Are you %(usb)s or %(sugar)s?' %
                                        {'usb': usb_email,
                                         'sugar': sugar_email})
                    alert.connect('response', self._close_alert_cb)
                    self.add_alert(alert)
                    self._load_intro_graphics(message=alert.props.msg)
                    return False

            def count_completed(data):
                count = 0
                for key in data:
                    if isinstance(data[key], dict) and \
                       'completed' in data[key] and \
                       data[key]['completed']:
                        count += 1
                return count

            # The database with the most completed tasks takes precedence.
            if count_completed(usb_data) >= count_completed(sugar_data):
                _logger.debug('data sync: USB data takes precedence')
                data_one = usb_data
                data_two = sugar_data
            else:
                _logger.debug('data sync: Sugar data takes precedence')
                data_one = sugar_data
                data_two = usb_data

            # Copy completed tasks from one to two
            for key in data_one:
                if isinstance(data_one[key], dict) and \
                   'completed' in data_one[key] and \
                   data_one[key]['completed']:
                    data_two[key] = data_one[key]

            # Copy completed tasks from two to one
            for key in data_two:
                if isinstance(data_two[key], dict) and \
                   'completed' in data_two[key] and \
                   data_two[key]['completed']:
                    data_one[key] = data_two[key]

            # Copy incompleted tasks from one to two
            for key in data_one:
                if isinstance(data_one[key], dict) and \
                   (not 'completed' in data_one[key] or
                    not data_one[key]['completed']):
                        data_two[key] = data_one[key]

            # Copy incompleted tasks from two to one
            for key in data_two:
                if isinstance(data_two[key], dict) and \
                   (not 'completed' in data_two[key] or
                    not data_two[key]['completed']):
                        data_one[key] = data_two[key]

            # Copy name, email_address, current_task...
            for key in data_one:
                if not isinstance(data_one[key], dict):
                    data_two[key] = data_one[key]
            for key in data_two:
                if not isinstance(data_two[key], dict):
                    data_one[key] = data_two[key]

            # Finally, write to the USB and ...
            json_data = json.dumps(data_one)
            fd = open(usb_data_path, 'w')
            fd.write(json_data)
            fd.close()

            # ...save a shadow copy in Sugar
            fd = open(sugar_data_path, 'w')
            fd.write(json_data)
            fd.close()
            return True
        else:
            _logger.error('No data to sync on USB')
            return False

    def _copy_data_from_USB(self):
        usb_path = self._check_for_USB_data()
        if usb_path is not None:
            try:
                subprocess.call(['cp', usb_path,
                                 self.volume_data[0]['sugar_path']])
            except OSError as e:
                _logger.error('Could not copy %s to %s: %s' % (
                    usb_path, self.volume_data[0]['sugar_path'], e))
        else:
            _logger.error('No data found on USB')

    def toolbar_expanded(self):
        if self.activity_button.is_expanded():
            return True
        elif self.edit_toolbar_button.is_expanded():
            return True
        elif self.view_toolbar_button.is_expanded():
            return True
        elif hasattr(self, 'progress_toolbar_button') and \
             self.progress_toolbar_button.is_expanded():
            return True

    def _launch_task_master(self):
        # Most things need only be done once
        if self._fixed is None:
            self._fixed = Gtk.Fixed()
            self._fixed.set_size_request(Gdk.Screen.width(),
                                         Gdk.Screen.height())

            # Offsets from the bottom of the screen
            dy1 = 3 * style.GRID_CELL_SIZE
            dy2 = 2 * style.GRID_CELL_SIZE

            self._progress_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._progress_area.set_size_request(Gdk.Screen.width(), -1)
            self._fixed.put(self._progress_area, 0, Gdk.Screen.height() - dy2)
            self._progress_area.show()

            self._button_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._button_area.set_size_request(Gdk.Screen.width(), -1)
            self._fixed.put(self._button_area, 0, Gdk.Screen.height() - dy1)
            self._button_area.show()

            self._scrolled_window = Gtk.ScrolledWindow()
            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy1)
            self._set_scroll_policy()
            self._graphics_area = Gtk.Alignment.new(0.5, 0, 0, 0)
            self._scrolled_window.add_with_viewport(self._graphics_area)
            self._graphics_area.show()
            self._fixed.put(self._scrolled_window, 0, 0)
            self._scrolled_window.show()

            self._task_master = TaskMaster(self)
            self._task_master.show()

            # Now that we have the tasks, we can build the progress toolbar and
            # help panel.
            self._build_progress_toolbar()

            self._help_panel = HelpPanel(self._task_master)
            self.help_palette = self._help_button.get_palette()
            self.help_palette.set_content(self._help_panel)
            self._help_panel.show()
            self._help_button.set_sensitive(True)

            Gdk.Screen.get_default().connect('size-changed',
                                             self._configure_cb)
            self._toolbox.connect('hide', self._resize_hide_cb)
            self._toolbox.connect('show', self._resize_show_cb)

            self._task_master.set_events(Gdk.EventMask.KEY_PRESS_MASK)
            self._task_master.connect('key_press_event',
                                      self._task_master.keypress_cb)
            self._task_master.set_can_focus(True)
            self._task_master.grab_focus()

        self.set_canvas(self._fixed)
        self._fixed.show()

        self.completed = False
        self._update_completed_sections()
        self._check_connected_task_status()
        self._task_master.task_master()

    def load_graphics_area(self, widget):
        self._graphics_area.add(widget)

    def load_button_area(self, widget):
        self._button_area.add(widget)

    def load_progress_area(self, widget):
        self._progress_area.add(widget)

    def _load_intro_graphics(self, file_name='generic-problem.html',
                             message=None):
        center_in_panel = Gtk.Alignment.new(0.5, 0, 0, 0)
        url = os.path.join(self.bundle_path, 'html-content', file_name)
        graphics = Graphics()
        if message is None:
            graphics.add_uri('file://' + url)
        else:
            graphics.add_uri('file://' + url + '?MSG=' +
                             utils.get_safe_text(message))
        graphics.set_zoom_level(0.667)
        center_in_panel.add(graphics)
        graphics.show()
        self.set_canvas(center_in_panel)
        center_in_panel.show()

    def _resize_hide_cb(self, widget):
        self._resize_canvas(widget, True)

    def _resize_show_cb(self, widget):
        self._resize_canvas(widget, False)

    def _configure_cb(self, event):
        self._fixed.set_size_request(Gdk.Screen.width(), Gdk.Screen.height())
        self._set_scroll_policy()
        self._resize_canvas(None)
        self._task_master.reload_graphics()

    def _resize_canvas(self, widget, fullscreen=False):
        # When a toolbar is expanded or collapsed, resize the canvas
        # to ensure that the progress bar is still visible.
        if hasattr(self, '_task_master'):
            if self.toolbar_expanded():
                dy1 = 4 * style.GRID_CELL_SIZE
                dy2 = 3 * style.GRID_CELL_SIZE
            else:
                dy1 = 3 * style.GRID_CELL_SIZE
                dy2 = 2 * style.GRID_CELL_SIZE

            if fullscreen:
                dy1 -= 2 * style.GRID_CELL_SIZE
                dy2 -= 2 * style.GRID_CELL_SIZE

            self._scrolled_window.set_size_request(
                Gdk.Screen.width(), Gdk.Screen.height() - dy1)
            self._fixed.move(self._progress_area, 0, Gdk.Screen.height() - dy2)
            self._fixed.move(self._button_area, 0, Gdk.Screen.height() - dy1)

        self.help_panel_visible = False

    def get_activity_version(self):
        info_path = os.path.join(self.bundle_path, 'activity', 'activity.info')
        try:
            info_file = open(info_path, 'r')
        except Exception as e:
            _logger.error('Could not open %s: %s' % (info_path, e))
            return 'unknown'

        cp = ConfigParser()
        cp.readfp(info_file)

        section = 'Activity'

        if cp.has_option(section, 'activity_version'):
            activity_version = cp.get(section, 'activity_version')
        else:
            activity_version = 'unknown'
        return activity_version

    def get_uid(self):
        if len(self.volume_data) == 1:
            return self.volume_data[0]['uid']
        else:
            return 'unknown'

    def write_file(self, file_path):
        # Only write if we have a valid USB/data file to work with.
        if len(self.volume_data) == 1 and \
           len(self.volume_data[0]['files']) == 1:
            self.metadata[TRAINING_DATA_UID] = self.volume_data[0]['uid']

            # We may have failed before getting to init of taskmaster
            if hasattr(self, '_task_master'):
                self._task_master.write_task_data(
                    'current_task', self._task_master.current_task)
                self.update_activity_title()
                email = self._task_master.read_task_data(EMAIL_UID)
                if email is None:
                    email = ''
                self.metadata[TRAINING_DATA_EMAIL] = email
                name = self._task_master.read_task_data(NAME_UID)
                if name is None:
                    name = ''
                self.metadata[TRAINING_DATA_FULLNAME] = name

        self.metadata['font_size'] = str(self.font_size)

    def update_activity_title(self):
        name = self._task_master.read_task_data(NAME_UID)
        if name is not None:
            bundle_name = activity.get_bundle_name()
            self.metadata['title'] = _('%(name)s %(bundle)s Activity') % \
                {'name': name, 'bundle': bundle_name}

    def _setup_toolbars(self):
        ''' Setup the toolbars. '''
        self.max_participants = 1  # No sharing

        self._toolbox = ToolbarBox()

        self.activity_button = ActivityToolbarButton(self)
        self.activity_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.activity_button, 0)
        self.activity_button.show()

        self.set_toolbar_box(self._toolbox)
        self._toolbox.show()
        self.toolbar = self._toolbox.toolbar

        view_toolbar = Gtk.Toolbar()
        self.view_toolbar_button = ToolbarButton(
            page=view_toolbar,
            label=_('View'),
            icon_name='toolbar-view')
        self.view_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.view_toolbar_button, 1)
        view_toolbar.show()
        self.view_toolbar_button.show()

        button = ToolButton('view-fullscreen')
        button.set_tooltip(_('Fullscreen'))
        button.props.accelerator = '<Alt>Return'
        view_toolbar.insert(button, -1)
        button.show()
        button.connect('clicked', self._fullscreen_cb)

        self._zoom_in = ToolButton('zoom-in')
        self._zoom_in.set_tooltip(_('Increase size'))
        view_toolbar.insert(self._zoom_in, -1)
        self._zoom_in.show()
        self._zoom_in.connect('clicked', self._zoom_in_cb)

        self._zoom_out = ToolButton('zoom-out')
        self._zoom_out.set_tooltip(_('Decrease size'))
        view_toolbar.insert(self._zoom_out, -1)
        self._zoom_out.show()
        self._zoom_out.connect('clicked', self._zoom_out_cb)

        self._zoom_eq = ToolButton('zoom-original')
        self._zoom_eq.set_tooltip(_('Restore original size'))
        view_toolbar.insert(self._zoom_eq, -1)
        self._zoom_eq.show()
        self._zoom_eq.connect('clicked', self._zoom_eq_cb)

        self._set_zoom_buttons_sensitivity()

        edit_toolbar = Gtk.Toolbar()
        self.edit_toolbar_button = ToolbarButton(
            page=edit_toolbar,
            label=_('Edit'),
            icon_name='toolbar-edit')
        self.edit_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.edit_toolbar_button, 1)
        edit_toolbar.show()
        self.edit_toolbar_button.show()

        self._copy_button = ToolButton('edit-copy')
        self._copy_button.set_tooltip(_('Copy'))
        self._copy_button.props.accelerator = '<Ctrl>C'
        edit_toolbar.insert(self._copy_button, -1)
        self._copy_button.show()
        self._copy_button.connect('clicked', self._copy_cb)
        self._copy_button.set_sensitive(False)

        self._paste_button = ToolButton('edit-paste')
        self._paste_button.set_tooltip(_('Paste'))
        self._paste_button.props.accelerator = '<Ctrl>V'
        edit_toolbar.insert(self._paste_button, -1)
        self._paste_button.show()
        self._paste_button.connect('clicked', self._paste_cb)
        self._paste_button.set_sensitive(False)

        self._progress_toolbar = Gtk.Toolbar()
        self.progress_toolbar_button = ToolbarButton(
            page=self._progress_toolbar,
            label=_('Check progress'),
            icon_name='check-progress')
        self.progress_toolbar_button.connect('clicked', self._resize_canvas)
        self._toolbox.toolbar.insert(self.progress_toolbar_button, -1)
        self._progress_toolbar.show()
        self.progress_toolbar_button.show()

        self._help_button = ToolButton('toolbar-help')
        self._help_button.set_tooltip(_('Help'))
        self._help_button.props.accelerator = '<Ctrl>H'
        self._toolbox.toolbar.insert(self._help_button, -1)
        self._help_button.show()
        self._help_button.connect('clicked', self._help_cb)
        self._help_button.set_sensitive(False)
        self._help_button.palette_invoker.props.lock_palette = True

        self.transfer_button = ToolButton('transfer')
        self.transfer_button.set_tooltip(_('Training data upload status'))
        self._toolbox.toolbar.insert(self.transfer_button, -1)
        self.transfer_button.connect('clicked', self._transfer_cb)
        self.transfer_button.hide()

        self.progress_label = Gtk.Label()
        self.progress_label.set_line_wrap(True)
        self.progress_label.set_size_request(300, -1)
        self.progress_label.set_use_markup(True)
        toolitem = Gtk.ToolItem()
        toolitem.add(self.progress_label)
        self.progress_label.show()
        self._toolbox.toolbar.insert(toolitem, -1)
        toolitem.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        self._toolbox.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        stop_button.props.accelerator = '<Ctrl>q'
        self._toolbox.toolbar.insert(stop_button, -1)
        stop_button.show()

    def _build_progress_toolbar(self):
        self._progress_buttons = []
        progress = self._task_master.get_completed_sections()

        for section_index in range(self._task_master.get_number_of_sections()):
            icon = self._task_master.get_section_icon(section_index)
            if section_index in progress:
                icon = icon + '-white'
            else:
                icon = icon + '-grey'

            name = self._task_master.get_section_name(section_index)

            if section_index == 0:
                group = None
            else:
                group = self._progress_buttons[0]

            self._progress_buttons.append(RadioToolButton(group=group))
            self._progress_buttons[-1].set_icon_name(icon)
            self._progress_buttons[-1].set_tooltip(name)
            self._progress_toolbar.insert(self._progress_buttons[-1], -1)
            self._progress_buttons[-1].show()
            self._progress_buttons[-1].connect(
                'clicked', self._jump_to_section_cb, section_index)

        self._radio_buttons_live = False
        section_index, task_index = \
            self._task_master.get_section_and_task_index()
        self._progress_buttons[section_index].set_active(True)
        self._radio_buttons_live = True

    def _check_connected_task_status(self):
        ''' We only want to turn on notifications if we expect connectivity '''
        task = self._task_master.uid_to_task(GET_CONNECTED_TASK)
        self.set_notify_transfer_status(task.is_completed())

    def _update_completed_sections(self):
        progress = self._task_master.get_completed_sections()

        for section in range(self._task_master.get_number_of_sections()):
            icon = self._task_master.get_section_icon(section)
            if section in progress:
                icon = icon + '-white'
            else:
                icon = icon + '-grey'
            self._progress_buttons[section].set_icon_name(icon)

        self._radio_buttons_live = False
        section_index, task_index = \
            self._task_master.get_section_and_task_index()
        self._progress_buttons[section_index].set_active(True)
        self._radio_buttons_live = True

    def mark_section_as_complete(self, section):
        icon = self._task_master.get_section_icon(section) + '-white'
        self._progress_buttons[section].set_icon_name(icon)
        if section < self._task_master.get_number_of_sections() - 1:
            self._radio_buttons_live = False
            self._progress_buttons[section + 1].set_active(True)
            self._radio_buttons_live = True

    def set_notify_transfer_status(self, state):
        _logger.debug('Setting transfer status to %s' % (str(state)))
        self._notify_transfer_status = state

    def _update_transfer_button(self, icon_name, tooltip):
        self.transfer_button.set_icon_name(icon_name)
        self.transfer_button.set_tooltip(tooltip)
        if self._notify_transfer_status:
            self.transfer_button.show()
        else:
            self.transfer_button.hide()

    def _transfer_cb(self, button):
        ''' Hide the button to dismiss notification '''
        self.transfer_button.set_tooltip(_('Training data upload status'))
        self.transfer_button.hide()

    def __transfer_started_cb(self, widget):
        self._update_transfer_button('transfer', _('Data transfer started'))

    def __transfer_progressed_cb(self, widget):
        self._update_transfer_button('transfer',
                                     _('Data transfer progressing'))

    def __transfer_completed_cb(self, widget):
        self._update_transfer_button('transfer-complete',
                                     _('Data transfer completed'))

    def __transfer_failed_cb(self, widget):
        self._update_transfer_button('transfer-failed',
                                     _('Data transfer failed'))

    def __realize_cb(self, window):
        self.window_xid = window.get_window().get_xid()

    def set_copy_widget(self, webkit=None, text_entry=None):
        # Each task is responsible for setting a widget for copy
        if webkit is not None:
            self._webkit = webkit
        else:
            self._webkit = None
        if text_entry is not None:
            self._copy_entry = text_entry
        else:
            self._copy_entry = None

        self._copy_button.set_sensitive(webkit is not None or
                                        text_entry is not None)

    def _copy_cb(self, button):
        if self._copy_entry is not None:
            self._copy_entry.copy_clipboard()
        elif self._webkit is not None:
            self._webkit.copy_clipboard()
        else:
            _logger.debug('No widget set for copy.')

    def set_paste_widget(self, text_entry=None):
        # Each task is responsible for setting a widget for paste
        if text_entry is not None:
            self._paste_entry = text_entry
        self._paste_button.set_sensitive(text_entry is not None)

    def _paste_cb(self, button):
        clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
        self.clipboard_text = clipboard.wait_for_text()
        if self._paste_entry is not None:
            self._paste_entry.paste_clipboard()
        else:
            _logger.debug('No widget set for paste (%s).' %
                          self.clipboard_text)

    def _fullscreen_cb(self, button):
        ''' Hide the Sugar toolbars. '''
        self.fullscreen()

    def _set_zoom_buttons_sensitivity(self):
        if self.font_size < len(FONT_SIZES) - 1:
            self._zoom_in.set_sensitive(True)
        else:
            self._zoom_in.set_sensitive(False)
        if self.font_size > 0:
            self._zoom_out.set_sensitive(True)
        else:
            self._zoom_out.set_sensitive(False)

        if hasattr(self, '_scrolled_window'):
            self._set_scroll_policy()

    def _set_scroll_policy(self):
        if Gdk.Screen.width() < Gdk.Screen.height() or self.zoom_level > 0.667:
            self._scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
                                             Gtk.PolicyType.AUTOMATIC)
        else:
            self._scrolled_window.set_policy(Gtk.PolicyType.NEVER,
                                             Gtk.PolicyType.AUTOMATIC)

    def _zoom_eq_cb(self, button):
        self.font_size = 8
        self.zoom_level = 0.667
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _zoom_in_cb(self, button):
        if self.font_size < len(FONT_SIZES) - 1:
            self.font_size += 1
            self.zoom_level *= 1.1
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _zoom_out_cb(self, button):
        if self.font_size > 0:
            self.font_size -= 1
            self.zoom_level /= 1.1
        self._set_zoom_buttons_sensitivity()
        self._task_master.reload_graphics()

    def _jump_to_section_cb(self, button, section_index):
        if self._radio_buttons_live:
            if self._task_master.requirements_are_met(section_index, 0):
                uid = self._task_master.section_and_task_to_uid(section_index)
                self._task_master.current_task = \
                    self._task_master.uid_to_task_number(uid)
                self._task_master.reload_graphics()
            else:
                section_index, task_index = \
                    self._task_master.get_section_and_task_index()
                self._progress_buttons[section_index].set_active(True)

    def _help_cb(self, button):
        # title, help_file = self._task_master.get_help_info()
        # _logger.debug('%s: %s' % (title, help_file))
        # if not hasattr(self, 'window_xid'):
        #    self.window_xid = self.get_window().get_xid()
        # if title is not None and help_file is not None:
        #     self.viewhelp = ViewHelp(title, help_file, self.window_xid)
        #     self.viewhelp.show()
        try:
            self._help_panel.set_connected(
                utils.nm_status() == 'network-wireless-connected')
        except Exception as e:
            _logger.error('Could not read NM status: %s' % (e))
            self._help_panel.set_connected(False)

        if self.help_palette:
            # FIXME: is_up() is always returning False, so we
            # "debounce" using help_panel_visible.
            if not self.help_palette.is_up() and not self.help_panel_visible:
                self.help_palette.popup(
                    immediate=True, state=self.help_palette.SECONDARY)
                self.help_panel_visible = True
            else:
                self.help_palette.popdown(immediate=True)
                self.help_panel_visible = False
                self._help_button.set_expanded(False)

    def add_badge(self, msg, icon="training-trophy", name="One Academy"):
        sugar_icons = os.path.join(os.path.expanduser('~'), '.icons')
        if not os.path.exists(sugar_icons):
            try:
                subprocess.call(['mkdir', sugar_icons])
            except OSError as e:
                _logger.error('Could not mkdir %s, %s' % (sugar_icons, e))

        badge = {
            'icon': icon,
            'from': name,
            'message': msg
        }

        # Use icons from html-content directory since default colors are
        # intended for white background.
        icon_dir = os.path.join(self.bundle_path, 'html-content', 'images')
        icon_path = os.path.join(icon_dir, icon + '.svg')
        try:
            subprocess.call(['cp', icon_path, sugar_icons])
        except OSError as e:
            _logger.error('Could not copy %s to %s, %s' %
                          (icon_path, sugar_icons, e))

        if 'comments' in self.metadata:
            comments = json.loads(self.metadata['comments'])
            comments.append(badge)
            self.metadata['comments'] = json.dumps(comments)
        else:
            self.metadata['comments'] = json.dumps([badge])

    def _load_extension(self):
        if not WEBSERVICES_AVAILABLE:
            _logger.error('Webservices not available on this version of Sugar')
            self._webservice_alert(_('Sugar upgrade required.'))
            return False

        extensions_path = os.path.join(os.path.expanduser('~'), '.sugar',
                                       'default', 'extensions')
        webservice_path = os.path.join(extensions_path, 'webservice')
        sugarservices_path = os.path.join(self.bundle_path, 'sugarservices')
        init_path = os.path.join(self.bundle_path, 'sugarservices',
                                 '__init__.py')

        if not os.path.exists(extensions_path):
            try:
                subprocess.call(['mkdir', extensions_path])
            except OSError as e:
                _logger.error('Could not mkdir %s, %s' % (extensions_path, e))
                self._webservice_alert(_('System error.'))
                return False

        if not os.path.exists(webservice_path):
            try:
                subprocess.call(['mkdir', webservice_path])
            except OSError as e:
                _logger.error('Could not mkdir %s, %s' % (webservice_path, e))
                self._webservice_alert(_('System error.'))
                return False
            try:
                subprocess.call(['cp', init_path, webservice_path])
            except OSError as e:
                _logger.error('Could not cp %s to %s, %s' %
                              (init_path, webservice_path, e))
                self._webservice_alert(_('System error.'))
                return False

        install = False
        if not os.path.exists(os.path.join(webservice_path, 'sugarservices')):
            _logger.error('SugarServices webservice not found. Installing...')
            install = True
        elif utils.get_sugarservices_version() < \
             _REQUIRED_SUGARSERVICES_VERSION:
            _logger.error('Found old SugarServices version. Installing...')
            install = True

        if install:
            try:
                subprocess.call(['cp', '-r', sugarservices_path,
                                 webservice_path])
            except OSError as e:
                _logger.error('Could not copy %s to %s, %s' %
                              (sugarservices_path, webservice_path, e))
                self._webservice_alert(_('System error.'))
                return False

            alert = ConfirmationAlert()
            alert.props.title = _('Restart required')
            alert.props.msg = _('We needed to install some software on your '
                                'system.\nSugar must be restarted before '
                                'sugarservices can commence.')

            alert.connect('response', self._reboot_alert_cb)
            self.add_alert(alert)
            self._load_intro_graphics(file_name='restart.html')

        return not install

    def _webservice_alert(self, message):
        alert = ConfirmationAlert()
        alert.props.title = message
        alert.props.msg = _('We are unable to install some software on your '
                            'system.\nSugar must be upgraded before this '
                            'activity can be run.')

        alert.connect('response', self._close_alert_cb)
        self.add_alert(alert)
        self._load_intro_graphics(message=message)

    def _remove_alert_cb(self, alert, response_id):
        self.remove_alert(alert)

    def _close_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            self.close()

    def _reboot_alert_cb(self, alert, response_id):
        self.remove_alert(alert)
        if response_id is Gtk.ResponseType.OK:
            try:
                utils.reboot()
            except Exception as e:
                _logger.error('Cannot reboot: %s' % e)

    def _mount_added_cb(self, volume_monitor, device):
        _logger.error('mount added')
        if self.check_volume_data():
            _logger.debug('launching')
            self._launcher()

    def _mount_removed_cb(self, volume_monitor, device):
        _logger.error('mount removed')
        if self.check_volume_data():
            _logger.debug('launching')
            self._launcher()
Exemplo n.º 11
0
class MusicpainterActivity(activity.Activity):
    def __init__(self, handle):

        self.to_read = ''
        self.btn_added = False

        activity.Activity.__init__(self, handle)
        self.max_participants = 1

        self.connect('destroy', self._cleanup_cb)

        #load the sugar toolbar
        self.toolbar_box = ToolbarBox()

        self.activity_btn = ActivityToolbarButton(self)
        self.activity_btn.connect('clicked', self.to_detail_mode)

        self.new_file_btn = ToolButton('file_new')
        self.new_file_btn.set_tooltip('New')
        self.new_file_btn.connect('clicked', self.new_file)

        self.save_file_btn = ToolButton('file_save')
        self.save_file_btn.set_tooltip('Save')
        self.save_file_btn.connect('clicked', self.save_file)

        self.save_file_as_btn = ToolButton('file_save_as')
        self.save_file_as_btn.set_tooltip('Save As')
        self.save_file_as_btn.connect('clicked', self.save_file_as)

        self.share_file_btn = ToolButton('file_upload')
        self.share_file_btn.set_tooltip('Share')
        self.share_file_btn.connect('clicked', self.share_file)

        separator = Gtk.SeparatorToolItem()
        separator.show()

        toolbar = self.activity_btn.props.page
        self.title_box = toolbar.get_nth_item(0)
        self.desc_btn = toolbar.get_nth_item(1)
        toolbar.insert(separator, 2)
        toolbar.insert(self.new_file_btn, -1)
        toolbar.insert(self.save_file_btn, -1)
        toolbar.insert(self.save_file_as_btn, -1)
        toolbar.insert(self.share_file_btn, -1)

        self.toolbar_box.toolbar.insert(self.activity_btn, 0)

        self.toolbar_box.toolbar.insert(Gtk.SeparatorToolItem(), 1)

        self.home_btn = RadioToolButton()
        self.home_btn.set_tooltip('Home')
        self.home_btn.props.icon_name = 'toolbox_home'
        self.home_btn.props.group = self.home_btn
        self.home_btn.connect('clicked', self.go_home)
        self.toolbar_box.toolbar.insert(self.home_btn, 2)

        self.canvas_mode_btn = RadioToolButton()
        self.canvas_mode_btn.set_tooltip('Canvas')
        self.canvas_mode_btn.props.icon_name = 'toolbox_canvas'
        self.canvas_mode_btn.props.group = self.home_btn
        self.canvas_mode_btn.connect('clicked', self.to_canvas_mode)
        self.toolbar_box.toolbar.insert(self.canvas_mode_btn, 3)

        self.keyboard_mode_btn = RadioToolButton()
        self.keyboard_mode_btn.set_tooltip('Keyboard')
        self.keyboard_mode_btn.props.icon_name = 'toolbox_keyboard'
        self.keyboard_mode_btn.props.group = self.home_btn
        self.keyboard_mode_btn.connect('clicked', self.to_keyboard_mode)
        self.toolbar_box.toolbar.insert(self.keyboard_mode_btn, 4)

        self.configure_ins_btn = RadioToolButton()
        self.configure_ins_btn.set_tooltip('Select instruments')
        self.configure_ins_btn.props.icon_name = 'toolbox_instrument'
        self.configure_ins_btn.props.group = self.home_btn
        self.configure_ins_btn.connect('clicked', self.configure_ins)
        self.toolbar_box.toolbar.insert(self.configure_ins_btn, 5)

        self.seperator = Gtk.SeparatorToolItem()
        #self.toolbar_box.toolbar.insert(self.seperator, 6)

        self.configure_scale_btn = ToggleToolButton()
        self.configure_scale_btn.set_tooltip('Select scale')
        self.configure_scale_btn.props.icon_name = 'toolbox_scale'
        self.configure_scale_btn.connect('toggled', self.choose_scale)
        #self.toolbar_box.toolbar.insert(self.configure_scale_btn, 7)

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        self.toolbar_box.toolbar.insert(separator, -1)

        stop_button = StopButton(self)
        stop_button.props.accelerator = '<Ctrl><Shift>Q'
        self.toolbar_box.toolbar.insert(stop_button, -1)
        stop_button.show()

        self.set_toolbar_box(self.toolbar_box)
        self.toolbar_box.show_all()

        #self.set_toolbox(toolbox)

        #activity_toolbar = toolbox.get_activity_toolbar()
        #activity_toolbar.remove(activity_toolbar.share)
        #activity_toolbar.share = None
        #activity_toolbar.keep.connect('clicked', self._keep_cb)
        #activity_toolbar.stop.can_focus = True
        #activity_toolbar.keep.can_focus = True

        #toolbox.show()
        #activity_toolbar.keep.grab_focus()

        self.gamename = 'Musicpainter'
        self.set_title("Music Painter")

        ## connect to the in/out events
        #self.connect('notify::active', self.onActive)
        #self.connect('focus_in_event', self._focus_in)
        #self.connect('focus_out_event', self._focus_out)

        self.musicpainter = Musicpainter.Musicpainter()
        presenceService = presenceservice.get_instance()
        xoOwner = presenceService.get_owner()  # get my name
        self.musicpainter.initSugar(self, xoOwner.props.nick)
        if not (self.to_read == '' or self.uid == ''):
            #try:
            print "Read journal uid: (" + self.uid + "), filename: " + self.to_read
            self.musicpainter.score.read_journal(self.to_read, self.uid)
            #except:
            #print "Exception caught when reading journal."
            #try:
            print "Init view: " + self.metadata['view']
            self.musicpainter.init_view(self.metadata['view'])
            self.init_view_sugar(self.metadata['view'])
            #except:
        #print "No initial view."
        else:
            self.musicpainter.score.new_score()  # init a canvas
            #self.musicpainter.init_view('canvas')
            #self.init_view_sugar('canvas')

            self.musicpainter.init_view('home')
            self.init_view_sugar('home')

        #self.create_journal()

        #bus = dbus.SessionBus()
        #remote_object = bus.get_object(DS_DBUS_SERVICE, DS_DBUS_PATH)
        #_datastore = dbus.Interface(remote_object, DS_DBUS_INTERFACE)
        #_datastore.connect_to_signal('Created', self.datastore_created_cb)
        #_datastore.connect_to_signal('Updated', self.datastore_updated_cb)
        #_datastore.connect_to_signal('Deleted', self.datastore_deleted_cb)

    def new_file(self, widget):
        self.musicpainter.score.new_score()
        self.to_canvas_mode(widget)
        self.activity_btn.set_expanded(False)
        self.toolbar_changed(widget)

    def msg_box_callback(self):
        self.to_canvas_mode(self.w)
        #self.activity_btn.set_expanded(False)
        #self.toolbar_changed(self.w)

    def upload_callback(self):
        self.musicpainter.detail_view.show_message_box("Upload successful! ")

    def save_file(self, widget):
        if self.musicpainter.current_view != 'detail':
            self.to_detail_mode(widget)
            self.musicpainter.detail_view.set_toolbar_expanded(
                self.musicpainter.toolbar_expanded)
        if self.musicpainter.score.save_score():
            self.w = widget
            self.musicpainter.detail_view.show_message_box("Save successful!")

    def save_file_as(self, widget):
        if self.musicpainter.current_view != 'detail':
            self.to_detail_mode(widget)
            self.musicpainter.detail_view.set_toolbar_expanded(
                self.musicpainter.toolbar_expanded)
        if self.musicpainter.score.save_score_as():
            self.w = widget
            self.musicpainter.detail_view.show_message_box("Save successful!")

    def share_file(self, widget):
        if self.musicpainter.current_view != 'detail':
            self.to_detail_mode(widget)
            self.musicpainter.detail_view.set_toolbar_expanded(
                self.musicpainter.toolbar_expanded)
        if not self.musicpainter.score.upload_eligible():
            self.w = widget
            self.musicpainter.detail_view.show_message_box(
                "Please make changes before upload. ")
        else:
            self.w = widget
            self.musicpainter.score.save_score()
            self.musicpainter.network.upload_music(
                self.musicpainter.score.uid + ".png")

    def toolbar_changed(self, widget):
        #print "activity.toolbar_changed()"
        self.musicpainter.toolbar_switch()

    def go_home(self, widget):
        self.musicpainter.go_home()
        self.hide_scale_btn()

        if self.musicpainter.toolbar_expanded:
            self.activity_btn.set_expanded(False)
            self.toolbar_changed(widget)

    def to_detail_mode(self, widget):
        if self.musicpainter.to_detail_mode_from_sugar():
            self.show_scale_btn()
        else:
            self.hide_scale_btn()

    def to_canvas_mode(self, widget):
        self.musicpainter.to_canvas_view()
        self.show_scale_btn()

        if self.musicpainter.toolbar_expanded:
            self.activity_btn.set_expanded(False)
            self.toolbar_changed(widget)

    def to_keyboard_mode(self, widget):
        self.musicpainter.to_keyboard_mode()
        self.show_scale_btn()

        if self.musicpainter.toolbar_expanded:
            self.activity_btn.set_expanded(False)
            self.toolbar_changed(widget)

    def configure_ins(self, widget):
        self.musicpainter.to_instrument_view()
        self.hide_scale_btn()

        if self.musicpainter.toolbar_expanded:
            self.activity_btn.set_expanded(False)
            self.toolbar_changed(widget)

    def choose_scale(self, widget):
        self.musicpainter.choose_scale()

    def hide_scale_btn(self):
        if self.btn_added:
            self.seperator.set_visible(False)
            self.configure_scale_btn.set_visible(False)

    def show_scale_btn(self):
        if not self.btn_added:
            self.toolbar_box.toolbar.insert(self.seperator, 6)
            self.toolbar_box.toolbar.insert(self.configure_scale_btn, 7)
            self.toolbar_box.show_all()
            self.btn_added = True
        else:
            self.seperator.set_visible(True)
            self.configure_scale_btn.set_visible(True)

    def set_active_btn(self, mode):
        if mode == 'canvas':
            self.canvas_mode_btn.set_active(True)
        elif mode == 'keyboard':
            self.keyboard_mode_btn.set_active(True)
        elif mode == 'instruments':
            self.configure_ins_btn.set_active(True)

    def set_scale(self, flag):
        self.configure_scale_btn.set_active(flag)

    def hide_scale_btn(self):
        self.seperator.set_visible(False)
        self.configure_scale_btn.set_visible(False)

    def _keep_cb(self, data=None):
        #print "to keep()"
        #self.musicpainter.canvas.save_file()
        return

    def _cleanup_cb(self, data=None):
        return

    def _focus_in(self, event, data=None):
        return

    def _focus_out(self, event, data=None):
        return

    def onActive(self, widget=None, event=None):
        #if widget.props.active == False:
        #    print "MusicpainterActivity.onActive: to disconnect"
        #    self.musicpainter.deactivate()
        ##else:
        #    #print "MusicpainterActivity.onActive: to re-connect"
        #    #self.musicpainter.reactivate()
        return

    def read_file(self, file_path):
        #'''Read file from Sugar Journal.'''
        #print "read file: " + file_path + " pending"
        self.to_read = file_path
        self.uid = self.metadata['uid']
        #print self.metadata.keys()
        return

    #def create_journal(self):

#file_path = 'temp.mpn'
#journal_entry = datastore.create()
#try:
#print "new entry uid after create: " + str(journal_entry.metadata['uid'])
#except:
#print "no uid"
#journal_entry.metadata['title'] = 'create journal test'
#journal_entry.file_path = file_path
#self.musicpainter.score.write_journal(file_path)
#datastore.write(journal_entry)
#os.remove(file_path)
#print "journal created"
#try:
#print "new entry uid: " + str(journal_entry.metadata['uid'])
#except:
#print "no uid"

#def create_journal(self):
#print 'create_journal()'
#journal_entry = datastore.create()
#journal_entry.metadata['activity'] = self.get_bundle_id()
#journal_entry.metadata['mime_type'] = 'application/x-musicpainter'
#datastore.write(journal_entry)

    def update_uid(self,
                   uid):  # actually, this is meant to screw up the original id
        #self.metadata['uid'] = uid
        self._jobject.object_id = uid

    def update_title(self, title):
        self.metadata['title'] = title
        self.title_box.entry.set_text(title)

    def get_description(self):
        try:
            return self.metadata['description']
        except:
            return

    def write_file(self, file_path):
        #'''Save file on Sugar Journal. '''
        print "write journal: " + file_path
        #print "uid = " + self.metadata['uid']
        #if self._jobject.object_id == None or self.metadata['uid'] == None:
        #print 'no uid yet'
        uid = self.musicpainter.score.uid
        #uid = self.metadata['uid']
        #else:

        #print "wait for uid"
        #return
        self.musicpainter.score.title = self.metadata['title']
        try:
            self.musicpainter.score.description = self.metadata['description']
        except:
            print "no description"
        self.musicpainter.score.write_journal(file_path, uid)
        #self.musicpainter.score.write_journal(file_path, self._jobject.object_id)
        self.metadata['activity'] = self.get_bundle_id()
        self.metadata['mime_type'] = 'activity-musicpainter'
        self.metadata['view'] = self.musicpainter.get_current_view()

    def init_view_sugar(self, view):
        if view == 'canvas':
            self.toolbar_box.toolbar.insert(self.seperator, 6)
            self.toolbar_box.toolbar.insert(self.configure_scale_btn, 7)
            self.toolbar_box.show_all()
            self.btn_added = True
        elif view == 'keyboard':
            self.toolbar_box.toolbar.insert(self.seperator, 6)
            self.toolbar_box.toolbar.insert(self.configure_scale_btn, 7)
            self.toolbar_box.show_all()
            self.btn_added = True
        self.set_active_btn(view)