class InstalledPane(SoftwarePane, CategoriesParser):
    """Widget that represents the installed panel in software-center
       It contains a search entry and navigation buttons
    """

    class Pages():
        # page names, useful for debugging
        NAMES = ('list', 'details')
        # the actual page id's
        (LIST,
         DETAILS) = range(2)
        # the default page
        HOME = LIST
        
    # pages for the installed view spinner notebook
    (PAGE_SPINNER,
     PAGE_INSTALLED) = range(2)

    __gsignals__ = {'installed-pane-created':(GObject.SignalFlags.RUN_FIRST,
                                              None,
                                              ())}

    def __init__(self, cache, db, distro, icons, datadir):

        # parent
        SoftwarePane.__init__(self, cache, db, distro, icons, datadir, show_ratings=False)
        CategoriesParser.__init__(self, db)

        self.current_appview_selection = None
        self.icons = icons
        self.loaded = False
        self.pane_name = _("Installed Software")

        self.installed_apps = 0
        # None is local
        self.current_hostid = None
        self.current_hostname = None
        self.oneconf_additional_pkg = set()
        self.oneconf_missing_pkg = set()

        # switches to terminate build in progress
        self._build_in_progress = False
        self._halt_build = False

        self.nonapps_visible = NonAppVisibility.NEVER_VISIBLE
        
        self.visible_docids = None
        self.visible_cats = {}

    def init_view(self):
        if self.view_initialized: return

        SoftwarePane.init_view(self)
        
        # show a busy cursor and display the main spinner while we build the view
        window = self.get_window()
        if window:
            window.set_cursor(self.busy_cursor)
        self.show_appview_spinner()
        
        self.oneconf_viewpickler = OneConfViews(self.icons)
        self.oneconf_viewpickler.register_computer(None, _("This computer (%s)") % platform.node())
        self.oneconf_viewpickler.select_first()
        self.oneconf_viewpickler.connect('computer-changed', self._selected_computer_changed)
        self.oneconf_viewpickler.connect('current-inventory-refreshed', self._current_inventory_need_refresh)
        
        # Start OneConf
        self.oneconf_handler = get_oneconf_handler(self.oneconf_viewpickler)
        if self.oneconf_handler:
            self.oneconf_handler.connect('show-oneconf-changed', self._show_oneconf_changed)
            self.oneconf_handler.connect('last-time-sync-changed', self._last_time_sync_oneconf_changed)
        
        # OneConf pane
        self.computerpane = Gtk.Paned.new(Gtk.Orientation.HORIZONTAL)
        self.oneconfcontrol = Gtk.Box()
        self.oneconfcontrol.set_orientation(Gtk.Orientation.VERTICAL)
        self.computerpane.pack1(self.oneconfcontrol, False, False)
        # size negotiation takes everything for the first one
        self.oneconfcontrol.set_property('width-request', 200)
        self.box_app_list.pack_start(self.computerpane, True, True, 0)

        scroll = Gtk.ScrolledWindow()
        scroll.set_shadow_type(Gtk.ShadowType.IN)
        scroll.add(self.oneconf_viewpickler)
        self.oneconfcontrol.pack_start(scroll, True, True, 0)
        
        oneconftoolbar = Gtk.Box()
        oneconftoolbar.set_orientation(Gtk.Orientation.HORIZONTAL)
        oneconfpropertymenu = Gtk.Menu()
        self.oneconfproperty = MenuButton(oneconfpropertymenu, Gtk.Image.new_from_stock(Gtk.STOCK_PROPERTIES, Gtk.IconSize.BUTTON))
        stop_oneconf_share_menuitem = Gtk.MenuItem(label=_("Stop Syncing “%s”") % platform.node())
        stop_oneconf_share_menuitem.connect("activate", self._on_stop_showing_oneconf_clicked)
        stop_oneconf_share_menuitem.show()
        oneconfpropertymenu.append(stop_oneconf_share_menuitem)
        self.oneconfcontrol.pack_start(oneconftoolbar, False, False, 1)
        self.oneconf_last_sync = Gtk.Label()
        self.oneconf_last_sync.set_line_wrap(True)
        oneconftoolbar.pack_start(self.oneconfproperty, False, False, 0)
        oneconftoolbar.pack_start(self.oneconf_last_sync, True, True, 1)

        self.notebook.append_page(self.box_app_list, Gtk.Label(label="list"))

        # details
        self.notebook.append_page(self.scroll_details, Gtk.Label(label="details"))
        # initial refresh
        self.state.search_term = ""

        # build models and filters
        self.base_model = AppTreeStore(self.db, self.cache, self.icons)

        self.treefilter = self.base_model.filter_new(None)
        self.treefilter.set_visible_func(self._row_visibility_func,
                                         AppTreeStore.COL_ROW_DATA)
        self.app_view.set_model(self.treefilter)
        self.app_view.tree_view.connect("row-collapsed", self._on_row_collapsed)

        self._all_cats = self.parse_applications_menu('/usr/share/app-install')
        self._all_cats = categories_sorted_by_name(self._all_cats)
        
        # we do not support the search aid feature in the installedview
        self.box_app_list.remove(self.search_aid)
        
        # create a local spinner notebook for the installed view
        self.installed_spinner_view = SpinnerView()
        self.installed_spinner_notebook = Gtk.Notebook()
        self.installed_spinner_notebook.set_show_tabs(False)
        self.installed_spinner_notebook.set_show_border(False)
        self.installed_spinner_notebook.append_page(self.installed_spinner_view, None)
        self.box_app_list.remove(self.app_view)
        self.installed_spinner_notebook.append_page(self.app_view, None)
        
        self.computerpane.pack2(self.installed_spinner_notebook, True, True)
        self.show_installed_view_spinner()
        
        self.show_all()
        
        # initialize view to hide the oneconf computer selector
        self.oneconf_viewpickler.select_first()
        self.oneconfcontrol.hide()

        # hacky, hide the header
        self.app_view.header_hbox.hide()

        # now we are initialized
        self.emit("installed-pane-created")
        
        self.view_initialized = True
        return False
        
    def show_installed_view_spinner(self):
        """ display the local spinner for the installed view panel """
        self.installed_spinner_view.stop()
        self.installed_spinner_notebook.set_current_page(self.PAGE_SPINNER)
        # "mask" the spinner view momentarily to prevent it from flashing into
        # view in the case of short delays where it isn't actually needed
        GObject.timeout_add(100, self._unmask_installed_view_spinner)
        
    def _unmask_installed_view_spinner(self):
        self.installed_spinner_view.start()
        return False
        
    def hide_installed_view_spinner(self):
        """ hide the local spinner for the installed view panel """
        self.installed_spinner_notebook.set_current_page(self.PAGE_INSTALLED)
        self.installed_spinner_view.stop()

    def _selected_computer_changed(self, oneconf_pickler, hostid, hostname):
        if self.current_hostid == hostid:
            return
        LOG.debug("Selected computer changed to %s (%s)" % (hostid, hostname))
        self.current_hostid = hostid
        self.current_hostname = hostname
        if self.current_hostid:
            (self.oneconf_additional_pkg, self.oneconf_missing_pkg) = self.oneconf_handler.oneconf.diff(self.current_hostid, '')
            # FIXME for P: oneconf views don't support search
            if self.state.search_term:  
                self._search()
        else:
            self.searchentry.show()
        self.refresh_apps()

    def _last_time_sync_oneconf_changed(self, oneconf_handler, msg):
        LOG.debug("refresh latest sync date")
        self.oneconf_last_sync.set_label(msg)

    def _show_oneconf_changed(self, oneconf_handler, oneconf_inventory_shown):
        LOG.debug('Share inventory status changed')
        if oneconf_inventory_shown:
            self.oneconfcontrol.show()
        else:
            self.oneconf_viewpickler.select_first()
            self.oneconfcontrol.hide()

    def _on_stop_showing_oneconf_clicked(self, widget):
        LOG.debug("Stop sharing the current computer inventory")
        self.oneconf_handler.sync_between_computers(False)
        
    def _current_inventory_need_refresh(self, oneconfviews):
        if self.current_hostid:
            (self.oneconf_additional_pkg, self.oneconf_missing_pkg) = self.oneconf_handler.oneconf.diff(self.current_hostid, '')
        self.refresh_apps()

    def _on_row_collapsed(self, view, it, path):
        return

    def _row_visibility_func(self, model, it, col):
        row = model.get_value(it, col)
        if self.visible_docids is None:
            if isinstance(row, CategoryRowReference):
                row.vis_count = row.pkg_count
            return True

        elif isinstance(row, CategoryRowReference):
            return row.untranslated_name in self.visible_cats.keys()

        elif row is None: return False

        return row.get_docid() in self.visible_docids

    def _use_category(self, cat):
        # System cat is large and slow to search, filter it in default mode

        if ('carousel-only' in cat.flags or 
            ((self.nonapps_visible == NonAppVisibility.NEVER_VISIBLE)
            and cat.untranslated_name == 'System')): return False

        return True

    # override its SoftwarePane._hide_nonapp_pkgs...
    def _hide_nonapp_pkgs(self):
        self.nonapps_visible = NonAppVisibility.NEVER_VISIBLE
        self.refresh_apps()

    #~ @interrupt_build_and_wait
    def _build_categorised_installedview(self):
        LOG.debug('Rebuilding categorised installedview...')
        
        # display the busy cursor and a local spinner while we build the view
        window = self.get_window()
        if window:
            window.set_cursor(self.busy_cursor)
        self.show_installed_view_spinner()
        
        model = self.base_model # base model not treefilter
        model.clear()

        def rebuild_categorised_view():
            self.cat_docid_map = {}
            enq = self.enquirer
            
            i = 0
            
            while Gtk.events_pending():
                Gtk.main_iteration()

            xfilter = AppFilter(self.db, self.cache)
            xfilter.set_installed_only(True)
            for cat in self._all_cats:
                # for each category do category query and append as a new
                # node to tree_view
                if not self._use_category(cat): continue
                query = self.get_query_for_cat(cat)
                LOG.debug("xfilter.installed_only: %s" % xfilter.installed_only)
                enq.set_query(query,
                              sortmode=SortMethods.BY_ALPHABET,
                              nonapps_visible=self.nonapps_visible,
                              filter=xfilter,
                              nonblocking_load=False,
                              persistent_duplicate_filter=(i>0))
                              
                L = len(enq.matches)
                if L:
                    i += L
                    docs = enq.get_documents()
                    self.cat_docid_map[cat.untranslated_name] = \
                                        set([doc.get_docid() for doc in docs])
                    model.set_category_documents(cat, docs)
                    
            while Gtk.events_pending():
                Gtk.main_iteration()

            # check for uncategorised pkgs
            if self.state.channel:
                self._run_channel_enquirer(persistent_duplicate_filter=(i>0))
                L = len(enq.matches)
                if L:
                    # some foo for channels
                    # if no categorised results but in channel, then use
                    # the channel name for the category
                    channel_name = None
                    if not i and self.state.channel:
                        channel_name = self.state.channel.display_name
                    docs = enq.get_documents()
                    tag = channel_name or 'Uncategorized'
                    self.cat_docid_map[tag] = set([doc.get_docid() for doc in docs])
                    model.set_nocategory_documents(docs, untranslated_name=tag,
                                                   display_name=channel_name)
                    i += L

            if i:
                self.app_view.tree_view.set_cursor(Gtk.TreePath(),
                                                   None, False)
                if i <= 10:
                    self.app_view.tree_view.expand_all()

            # cache the installed app count
            self.installed_count = i
            self.app_view._append_appcount(self.installed_count, mode=AppView.INSTALLED_MODE)
            
            # hide the local spinner
            self.hide_installed_view_spinner()
            
            # hide the main spinner (if it's showing)
            self.hide_appview_spinner()
            
            if window:
                window.set_cursor(None)
            
            # reapply search if needed
            if self.state.search_term:
                self._do_search(self.state.search_term)

            self.emit("app-list-changed", i)
            return

        GObject.idle_add(rebuild_categorised_view)
        return
        
    def _build_oneconfview(self):
        LOG.debug('Rebuilding oneconfview for %s...' % self.current_hostid)
        
        # display the busy cursor and the local spinner while we build the view
        window = self.get_window()
        if window:
            window.set_cursor(self.busy_cursor)
        self.show_installed_view_spinner()
        
        model = self.base_model # base model not treefilter
        model.clear()

        def rebuild_oneconfview():
        
            # FIXME for P: hide the search entry
            self.searchentry.hide()
            
            self.cat_docid_map = {}
            enq = self.enquirer
            query = xapian.Query("")
            if self.state.channel and self.state.channel.query:
                query = xapian.Query(xapian.Query.OP_AND,
                                     query,
                                     self.state.channel.query)

            i = 0
            
            # First search: missing apps only
            xfilter = AppFilter(self.db, self.cache)
            xfilter.set_restricted_list(self.oneconf_additional_pkg)
            xfilter.set_not_installed_only(True)
            
            enq.set_query(query,
                          sortmode=SortMethods.BY_ALPHABET,
                          nonapps_visible=self.nonapps_visible,
                          filter=xfilter,
                          nonblocking_load=True, # we don't block this one for better oneconf responsiveness
                          persistent_duplicate_filter=(i>0))

            L = len(enq.matches)

            if L:
                cat_title = ngettext('%(amount)s item on “%(machine)s” not on this computer',
                                     '%(amount)s items on “%(machine)s” not on this computer',
                                     L) % { 'amount' : L, 'machine': self.current_hostname}
                i += L
                docs = enq.get_documents()
                self.cat_docid_map["missingpkg"] = set([doc.get_docid() for doc in docs])
                model.set_nocategory_documents(docs, untranslated_name="additionalpkg",
                                               display_name=cat_title)

            # Second search: additional apps
            xfilter.set_restricted_list(self.oneconf_missing_pkg)
            xfilter.set_not_installed_only(False)
            xfilter.set_installed_only(True)
            enq.set_query(query,
                          sortmode=SortMethods.BY_ALPHABET,
                          nonapps_visible=self.nonapps_visible,
                          filter=xfilter,
                          nonblocking_load=False,
                          persistent_duplicate_filter=(i>0))

            L = len(enq.matches)
            if L:
                cat_title = ngettext('%(amount)s item on this computer not on “%(machine)s”',
                                     '%(amount)s items on this computer not on “%(machine)s”',
                                     L) % { 'amount' : L, 'machine': self.current_hostname}
                i += L
                docs = enq.get_documents()
                self.cat_docid_map["additionalpkg"] = set([doc.get_docid() for doc in docs])
                model.set_nocategory_documents(docs, untranslated_name="additionalpkg",
                                               display_name=cat_title)

            if i:
                self.app_view.tree_view.set_cursor(Gtk.TreePath(),
                                                   None, False)
                if i <= 10:
                    self.app_view.tree_view.expand_all()

            # cache the installed app count
            self.installed_count = i
            self.app_view._append_appcount(self.installed_count, mode=AppView.DIFF_MODE)
                
            # hide the local spinner
            self.hide_installed_view_spinner()
            
            if window:
                window.set_cursor(None)
            
            self.emit("app-list-changed", i)
            return

        GObject.idle_add(rebuild_oneconfview)
        return

    def _check_expand(self):
        it = self.treefilter.get_iter_first()
        while it:
            path = self.treefilter.get_path(it)
            if self.state.search_term:# or path in self._user_expanded_paths:
                self.app_view.tree_view.expand_row(path, False)
            else:
                self.app_view.tree_view.collapse_row(path)

            it = self.treefilter.iter_next(it)
        return

    def _do_search(self, terms):
        self.state.search_term = terms
        xfilter = AppFilter(self.db, self.cache)
        xfilter.set_installed_only(True)
        self.enquirer.set_query(self.get_query(),
                                nonapps_visible=self.nonapps_visible,
                                filter=xfilter,
                                nonblocking_load=True)
        
        self.visible_docids = self.enquirer.get_docids()
        self.visible_cats = self._get_vis_cats(self.visible_docids)
        self.treefilter.refilter()
        self.app_view.tree_view.expand_all()

    def _run_channel_enquirer(self, persistent_duplicate_filter=True):
        xfilter = AppFilter(self.db, self.cache)
        xfilter.set_installed_only(True)
        if self.state.channel:
            self.enquirer.set_query(
                self.state.channel.query,
                sortmode=SortMethods.BY_ALPHABET,
                nonapps_visible=NonAppVisibility.MAYBE_VISIBLE,
                filter=xfilter,
                nonblocking_load=False,
                persistent_duplicate_filter=persistent_duplicate_filter)

    def _search(self, terms=None):
        if not terms:
            self.visible_docids = None
            self.state.search_term = ""
            self._clear_search()
            self.treefilter.refilter()
            self._check_expand()
            # run channel enquirer to ensure that the channel specific
            # info for show/hide nonapps is actually correct
            self._run_channel_enquirer()
            # trigger update of the show/hide
            self.emit("app-list-changed", 0)
        elif self.state.search_term != terms:
            self._do_search(terms)
        return

    def get_query(self):
        # search terms
        return self.db.get_query_list_from_search_entry(
                                        self.state.search_term)

    def get_query_for_cat(self, cat):
        LOG.debug("self.state.channel: %s" % self.state.channel)
        if self.state.channel and self.state.channel.query:
            query = xapian.Query(xapian.Query.OP_AND,
                                 cat.query,
                                 self.state.channel.query)
            return query
        return cat.query

    @wait_for_apt_cache_ready
    def refresh_apps(self, *args, **kwargs):
        """refresh the applist and update the navigation bar """
        logging.debug("installedpane refresh_apps")
        if self.current_hostid:
            self._build_oneconfview()
        else:
            self._build_categorised_installedview()
        return

    def _clear_search(self):
        # remove the details and clear the search
        self.searchentry.clear_with_no_signal()

    def on_search_terms_changed(self, searchentry, terms):
        """callback when the search entry widget changes"""
        logging.debug("on_search_terms_changed: '%s'" % terms)

        self._search(terms.strip())
        self.state.search_term = terms
        self.notebook.set_current_page(InstalledPane.Pages.LIST)
        self.hide_installed_view_spinner()
        return

    def _get_vis_cats(self, visids):
        vis_cats = {}
        appcount = 0
        visids = set(visids)
        for cat_uname, docids in self.cat_docid_map.iteritems():
            children = len(docids & visids)
            if children:
                appcount += children
                vis_cats[cat_uname] = children
        self.app_view._append_appcount(appcount, mode=AppView.DIFF_MODE)
        return vis_cats

    def on_db_reopen(self, db):
        self.refresh_apps(rebuild=True)
        self.app_details_view.refresh_app()

    def on_application_selected(self, appview, app):
        """callback when an app is selected"""
        logging.debug("on_application_selected: '%s'" % app)
        self.current_appview_selection = app

    def get_callback_for_page(self, page, state):
        if page == InstalledPane.Pages.LIST:
            return self.display_overview_page
        return self.display_details_page

    def display_search(self):
        model = self.app_view.get_model()
        if model:
            self.emit("app-list-changed", len(model))
        self.searchentry.show()

    def display_overview_page(self, page, view_state):
        LOG.debug("view_state: %s" % view_state)
        if self.current_hostid:
            # FIXME for P: oneconf views don't support search    
            # this one ensure that even when switching between pane, we
            # don't have the search item
            if self.state.search_term:
                self._search()
            self._build_oneconfview()
        else:
            self._build_categorised_installedview()

        if self.state.search_term:
            self._search(self.state.search_term)
        return True

    def get_current_app(self):
        """return the current active application object applicable
           to the context"""
        return self.current_appview_selection
        
    def is_category_view_showing(self):
        # there is no category view in the installed pane
        return False
        
    def is_applist_view_showing(self):
        """Return True if we are in the applist view """
        return (self.notebook.get_current_page() ==
                InstalledPane.Pages.LIST)
        
    def is_app_details_view_showing(self):
        """Return True if we are in the app_details view """
        return self.notebook.get_current_page() == InstalledPane.Pages.DETAILS
    def init_view(self):
        if self.view_initialized: return

        SoftwarePane.init_view(self)
        
        # show a busy cursor and display the main spinner while we build the view
        window = self.get_window()
        if window:
            window.set_cursor(self.busy_cursor)
        self.show_appview_spinner()
        
        self.oneconf_viewpickler = OneConfViews(self.icons)
        self.oneconf_viewpickler.register_computer(None, _("This computer (%s)") % platform.node())
        self.oneconf_viewpickler.select_first()
        self.oneconf_viewpickler.connect('computer-changed', self._selected_computer_changed)
        self.oneconf_viewpickler.connect('current-inventory-refreshed', self._current_inventory_need_refresh)
        
        # Start OneConf
        self.oneconf_handler = get_oneconf_handler(self.oneconf_viewpickler)
        if self.oneconf_handler:
            self.oneconf_handler.connect('show-oneconf-changed', self._show_oneconf_changed)
            self.oneconf_handler.connect('last-time-sync-changed', self._last_time_sync_oneconf_changed)
        
        # OneConf pane
        self.computerpane = Gtk.Paned.new(Gtk.Orientation.HORIZONTAL)
        self.oneconfcontrol = Gtk.Box()
        self.oneconfcontrol.set_orientation(Gtk.Orientation.VERTICAL)
        self.computerpane.pack1(self.oneconfcontrol, False, False)
        # size negotiation takes everything for the first one
        self.oneconfcontrol.set_property('width-request', 200)
        self.box_app_list.pack_start(self.computerpane, True, True, 0)

        scroll = Gtk.ScrolledWindow()
        scroll.set_shadow_type(Gtk.ShadowType.IN)
        scroll.add(self.oneconf_viewpickler)
        self.oneconfcontrol.pack_start(scroll, True, True, 0)
        
        oneconftoolbar = Gtk.Box()
        oneconftoolbar.set_orientation(Gtk.Orientation.HORIZONTAL)
        oneconfpropertymenu = Gtk.Menu()
        self.oneconfproperty = MenuButton(oneconfpropertymenu, Gtk.Image.new_from_stock(Gtk.STOCK_PROPERTIES, Gtk.IconSize.BUTTON))
        stop_oneconf_share_menuitem = Gtk.MenuItem(label=_("Stop Syncing “%s”") % platform.node())
        stop_oneconf_share_menuitem.connect("activate", self._on_stop_showing_oneconf_clicked)
        stop_oneconf_share_menuitem.show()
        oneconfpropertymenu.append(stop_oneconf_share_menuitem)
        self.oneconfcontrol.pack_start(oneconftoolbar, False, False, 1)
        self.oneconf_last_sync = Gtk.Label()
        self.oneconf_last_sync.set_line_wrap(True)
        oneconftoolbar.pack_start(self.oneconfproperty, False, False, 0)
        oneconftoolbar.pack_start(self.oneconf_last_sync, True, True, 1)

        self.notebook.append_page(self.box_app_list, Gtk.Label(label="list"))

        # details
        self.notebook.append_page(self.scroll_details, Gtk.Label(label="details"))
        # initial refresh
        self.state.search_term = ""

        # build models and filters
        self.base_model = AppTreeStore(self.db, self.cache, self.icons)

        self.treefilter = self.base_model.filter_new(None)
        self.treefilter.set_visible_func(self._row_visibility_func,
                                         AppTreeStore.COL_ROW_DATA)
        self.app_view.set_model(self.treefilter)
        self.app_view.tree_view.connect("row-collapsed", self._on_row_collapsed)

        self._all_cats = self.parse_applications_menu('/usr/share/app-install')
        self._all_cats = categories_sorted_by_name(self._all_cats)
        
        # we do not support the search aid feature in the installedview
        self.box_app_list.remove(self.search_aid)
        
        # create a local spinner notebook for the installed view
        self.installed_spinner_view = SpinnerView()
        self.installed_spinner_notebook = Gtk.Notebook()
        self.installed_spinner_notebook.set_show_tabs(False)
        self.installed_spinner_notebook.set_show_border(False)
        self.installed_spinner_notebook.append_page(self.installed_spinner_view, None)
        self.box_app_list.remove(self.app_view)
        self.installed_spinner_notebook.append_page(self.app_view, None)
        
        self.computerpane.pack2(self.installed_spinner_notebook, True, True)
        self.show_installed_view_spinner()
        
        self.show_all()
        
        # initialize view to hide the oneconf computer selector
        self.oneconf_viewpickler.select_first()
        self.oneconfcontrol.hide()

        # hacky, hide the header
        self.app_view.header_hbox.hide()

        # now we are initialized
        self.emit("installed-pane-created")
        
        self.view_initialized = True
        return False
Example #3
0
    def __init__(self, cache, db, distro, icons, datadir, show_ratings=True):

        Gtk.VBox.__init__(self)
        BasePane.__init__(self)

        # other classes we need        
        self.enquirer = AppEnquire(cache, db)
        self._query_complete_handler = self.enquirer.connect(
                            "query-complete", self.on_query_complete)

        self.cache = cache
        self.db = db
        self.distro = distro
        self.icons = icons
        self.datadir = datadir
        self.show_ratings = show_ratings
        self.backend = get_install_backend()
        self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
        # refreshes can happen out-of-bound so we need to be sure
        # that we only set the new model (when its available) if
        # the refresh_seq_nr of the ready model matches that of the
        # request (e.g. people click on ubuntu channel, get impatient, click
        # on partner channel)
        self.refresh_seq_nr = 0
        # keep track of applications that are candidates to be added
        # to the Unity launcher
        self.unity_launcher_items = {}
        # this should be initialized
        self.apps_search_term = ""
        # Create the basic frame for the common view
        self.state = DisplayState()
        vm = get_viewmanager()
        self.searchentry = vm.get_global_searchentry()
        self.back_forward = vm.get_global_backforward()
        # a notebook below
        self.notebook = Gtk.Notebook()
        if not "SOFTWARE_CENTER_DEBUG_TABS" in os.environ:
            self.notebook.set_show_tabs(False)
        self.notebook.set_show_border(False)
        # an empty notebook, where the details view will eventually go
        self.details_notebook = Gtk.Notebook()
        self.details_notebook.set_show_border(False)
        # make a spinner view to display while the applist is loading
        self.spinner_view = SpinnerView()
        self.spinner_notebook = Gtk.Notebook()
        self.spinner_notebook.set_show_tabs(False)
        self.spinner_notebook.set_show_border(False)
        self.spinner_notebook.append_page(self.notebook, None)
        self.spinner_notebook.append_page(self.details_notebook, None)
        self.spinner_notebook.append_page(self.spinner_view, None)
        
        self.pack_start(self.spinner_notebook, True, True, 0)

        # add a bar at the bottom (hidden by default) for contextual actions
        self.action_bar = ActionBar()
        self.pack_start(self.action_bar, False, True, 0)

        # cursor
        self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)
        
        # views to be created in init_view
        self.app_view = None
        self.app_details_view = None
Example #4
0
class SoftwarePane(Gtk.VBox, BasePane):
    """ Common base class for AvailablePane and InstalledPane"""

    class Pages:
        NAMES = ('appview', 'details', 'spinner')
        APPVIEW = 0
        DETAILS = 1
        SPINNER = 2

    __gsignals__ = {
        "app-list-changed" : (GObject.SignalFlags.RUN_LAST,
                              None, 
                              (int,),
                             ),
    }
    PADDING = 6

    def __init__(self, cache, db, distro, icons, datadir, show_ratings=True):

        Gtk.VBox.__init__(self)
        BasePane.__init__(self)

        # other classes we need        
        self.enquirer = AppEnquire(cache, db)
        self._query_complete_handler = self.enquirer.connect(
                            "query-complete", self.on_query_complete)

        self.cache = cache
        self.db = db
        self.distro = distro
        self.icons = icons
        self.datadir = datadir
        self.show_ratings = show_ratings
        self.backend = get_install_backend()
        self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
        # refreshes can happen out-of-bound so we need to be sure
        # that we only set the new model (when its available) if
        # the refresh_seq_nr of the ready model matches that of the
        # request (e.g. people click on ubuntu channel, get impatient, click
        # on partner channel)
        self.refresh_seq_nr = 0
        # keep track of applications that are candidates to be added
        # to the Unity launcher
        self.unity_launcher_items = {}
        # this should be initialized
        self.apps_search_term = ""
        # Create the basic frame for the common view
        self.state = DisplayState()
        vm = get_viewmanager()
        self.searchentry = vm.get_global_searchentry()
        self.back_forward = vm.get_global_backforward()
        # a notebook below
        self.notebook = Gtk.Notebook()
        if not "SOFTWARE_CENTER_DEBUG_TABS" in os.environ:
            self.notebook.set_show_tabs(False)
        self.notebook.set_show_border(False)
        # an empty notebook, where the details view will eventually go
        self.details_notebook = Gtk.Notebook()
        self.details_notebook.set_show_border(False)
        # make a spinner view to display while the applist is loading
        self.spinner_view = SpinnerView()
        self.spinner_notebook = Gtk.Notebook()
        self.spinner_notebook.set_show_tabs(False)
        self.spinner_notebook.set_show_border(False)
        self.spinner_notebook.append_page(self.notebook, None)
        self.spinner_notebook.append_page(self.details_notebook, None)
        self.spinner_notebook.append_page(self.spinner_view, None)
        
        self.pack_start(self.spinner_notebook, True, True, 0)

        # add a bar at the bottom (hidden by default) for contextual actions
        self.action_bar = ActionBar()
        self.pack_start(self.action_bar, False, True, 0)

        # cursor
        self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)
        
        # views to be created in init_view
        self.app_view = None
        self.app_details_view = None

    def init_view(self):
        """
        Initialize those UI components that are common to all subclasses of
        SoftwarePane.  Note that this method is intended to be called by
        the subclass itself at the start of its own init_view() implementation.
        """
        # common UI elements (applist and appdetails) 
        # its the job of the Child class to put it into a good location
        # list
        self.box_app_list = Gtk.VBox()

        # search aid
        self.search_aid = SearchAid(self)
        self.box_app_list.pack_start(self.search_aid, False, False, 0)

        self.app_view = AppView(self.db, self.cache,
                                self.icons, self.show_ratings)
        self.app_view.sort_methods_combobox.connect(
                    "changed",
                    self.on_app_view_sort_method_changed)

        self.init_atk_name(self.app_view, "app_view")
        self.box_app_list.pack_start(self.app_view, True, True, 0)
        self.app_view.connect("application-selected", 
                              self.on_application_selected)
        self.app_view.connect("application-activated", 
                              self.on_application_activated)
                                             
        # details
        self.scroll_details = Gtk.ScrolledWindow()
        self.scroll_details.set_policy(Gtk.PolicyType.AUTOMATIC, 
                                        Gtk.PolicyType.AUTOMATIC)
        self.app_details_view = AppDetailsView(self.db, 
                                               self.distro,
                                               self.icons, 
                                               self.cache, 
                                               self.datadir,
                                               self)
        self.scroll_details.add(self.app_details_view)
        # when the cache changes, refresh the app list
        self.cache.connect("cache-ready", self.on_cache_ready)

        # aptdaemon
        self.backend.connect("transaction-started", self.on_transaction_started)
        self.backend.connect("transaction-finished", self.on_transaction_finished)
        self.backend.connect("transaction-stopped", self.on_transaction_stopped)
        
        # connect signals
        self.connect("app-list-changed", self.on_app_list_changed)
        
        # db reopen
        if self.db:
            self.db.connect("reopen", self.on_db_reopen)

    def init_atk_name(self, widget, name):
        """ init the atk name for a given gtk widget based on parent-pane
            and variable name (used for the mago tests)
        """
        name =  self.__class__.__name__ + "." + name
        Atk.Object.set_name(widget.get_accessible(), name)

    def on_cache_ready(self, cache):
        " refresh the application list when the cache is re-opened "
        LOG.debug("on_cache_ready")
        # it only makes sense to refresh if there is something to
        # refresh, otherwise we create a bunch of (not yet needed)
        # AppStore objects on startup when the cache sends its 
        # initial "cache-ready" signal
        model = self.app_view.tree_view.get_model()
        if model is None:
            return
        # FIXME: preserve selection too
        self.refresh_apps()

    @wait_for_apt_cache_ready
    def on_application_activated(self, appview, app):
        """callback when an app is clicked"""
        LOG.debug("on_application_activated: '%s'" % app)

        self.state.application = app

        vm = get_viewmanager()
        vm.display_page(self, SoftwarePane.Pages.DETAILS, self.state, self.display_details_page)

    def show_app(self, app):
        self.on_application_activated(None, app)

    def on_nav_back_clicked(self, widget):
        vm = get_viewmanager()
        vm.nav_back()

    def on_nav_forward_clicked(self, widget):
        vm = get_viewmanager()
        vm.nav_forward()

    def on_transaction_started(self, backend, pkgname, appname, trans_id, 
                               trans_type):
        self._register_unity_launcher_transaction_started(
            backend, pkgname, appname, trans_id, trans_type)

        
    def _get_onscreen_icon_details_for_launcher_service(self, app):
        if self.is_app_details_view_showing():
            return self.app_details_view.get_app_icon_details()
        else:
            # TODO: implement the app list view case once it has been specified
            return (0, 0, 0)
       
    def _register_unity_launcher_transaction_started(self, backend, pkgname, 
                                                     appname, trans_id, 
                                                     trans_type):
        # mvo: use use softwarecenter.utils explictely so that we can monkey
        #      patch it in the test
        if not softwarecenter.utils.is_unity_running():
            return
        # add to launcher only applies in the details view currently
        if not self.is_app_details_view_showing():
            return
        # we only care about getting the launcher information on an install
        if not trans_type == TransactionTypes.INSTALL:
            if pkgname in self.unity_launcher_items:
                self.unity_launcher_items.pop(pkgname)
                self.action_bar.clear()
            return
        # gather details for this transaction and create the launcher_info object
        app = Application(pkgname=pkgname, appname=appname)
        appdetails = app.get_details(self.db)
        (icon_size, icon_x, icon_y) = self._get_onscreen_icon_details_for_launcher_service(app)
        launcher_info = UnityLauncherInfo(app.name,
                                          appdetails.icon,
                                          "",        # we set the icon_file_path value *after* install
                                          icon_x,
                                          icon_y,
                                          icon_size,
                                          appdetails.desktop_file,
                                          "",        # we set the installed_desktop_file_path *after* install
                                          trans_id)
        self.unity_launcher_items[app.pkgname] = launcher_info
        self.show_add_to_launcher_panel(backend, pkgname, appname, app, appdetails, trans_id, trans_type)
                
    def show_add_to_launcher_panel(self, backend, pkgname, appname, app, appdetails, trans_id, trans_type):
        """
        if Unity is currently running, display a panel to allow the user
        the choose whether to add a newly-installed application to the
        launcher
        """
        # TODO: handle local deb install case
        # TODO: implement the list view case (once it is specified)
        # only show the panel if unity is running and this is a package install
        #
        # we only show the prompt for apps with a desktop file
        if not appdetails.desktop_file:
            return
        # do not add apps without a exec line (like wine, see #848437)
        if (os.path.exists(appdetails.desktop_file) and
            is_no_display_desktop_file(appdetails.desktop_file)):
                return
        self.action_bar.add_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER,
                                    _("Not Now"), 
                                    self.on_cancel_add_to_launcher, 
                                    pkgname)
        self.action_bar.add_button(ActionButtons.ADD_TO_LAUNCHER,
                                   _("Add to Launcher"),
                                   self.on_add_to_launcher,
                                   pkgname,
                                   app,
                                   appdetails,
                                   trans_id)
        self.action_bar.set_label(utf8(_("Add %s to the launcher?")) % utf8(app.name))

    def on_query_complete(self, enquirer):
        self.emit("app-list-changed", len(enquirer.matches))
        sort_by_relevance = (self._is_in_search_mode() and
                             not self.app_view.user_defined_sort_method)
        
        self.app_view.display_matches(enquirer.matches,
                                      sort_by_relevance)
        self.hide_appview_spinner()
        return

    def on_app_view_sort_method_changed(self, combo):
        if self.app_view.get_sort_mode() == self.enquirer.sortmode:
            return

        self.show_appview_spinner()
        self.app_view.clear_model()
        query = self.get_query()
        self._refresh_apps_with_apt_cache(query)
        return

    def on_add_to_launcher(self, pkgname, app, appdetails, trans_id):
        """
        callback indicating the user has chosen to add the indicated application
        to the launcher
        """
        if pkgname in self.unity_launcher_items:
            launcher_info = self.unity_launcher_items[pkgname]
            if launcher_info.installed_desktop_file_path:
                # package install is complete, we can add to the launcher immediately
                self.unity_launcher_items.pop(pkgname)
                self.action_bar.clear()
                self._send_dbus_signal_to_unity_launcher(launcher_info)
            else:
                # package is not yet installed, it will be added to the launcher
                # once the installation is complete
                LOG.debug("the application '%s' will be added to the Unity launcher when installation is complete" % app.name)
                launcher_info.add_to_launcher_requested = True
                self.action_bar.set_label(_("%s will be added to the launcher when installation completes.") % app.name)
                self.action_bar.remove_button(ActionButtons.CANCEL_ADD_TO_LAUNCHER)
                self.action_bar.remove_button(ActionButtons.ADD_TO_LAUNCHER)

    def on_cancel_add_to_launcher(self, pkgname):
        if pkgname in self.unity_launcher_items:
            self.unity_launcher_items.pop(pkgname)
        self.action_bar.clear()
        
    def on_transaction_finished(self, backend, result):
        self._check_unity_launcher_transaction_finished(result)

    def _is_in_search_mode(self):
        return (self.state.search_term and
                len(self.state.search_term) >= 2)

    def _check_unity_launcher_transaction_finished(self, result):
        # add the completed transaction details to the corresponding
        # launcher_item
        if result.pkgname in self.unity_launcher_items:
            launcher_info = self.unity_launcher_items[result.pkgname]
            launcher_info.icon_file_path = get_file_path_from_iconname(
                self.icons, launcher_info.icon_name)
            installed_path = convert_desktop_file_to_installed_location(
                launcher_info.app_install_desktop_file_path, result.pkgname)
            launcher_info.installed_desktop_file_path = installed_path
            # if the request to add to launcher has already been made, do it now
            if launcher_info.add_to_launcher_requested:
                if result.success:
                    self._send_dbus_signal_to_unity_launcher(launcher_info)
                self.unity_launcher_items.pop(result.pkgname)
                self.action_bar.clear()
            
    def _send_dbus_signal_to_unity_launcher(self, launcher_info):
        LOG.debug("sending dbus signal to Unity launcher for application: ", launcher_info.name)
        LOG.debug("  launcher_info.icon_file_path: ", launcher_info.icon_file_path)
        LOG.debug("  launcher_info.installed_desktop_file_path: ", launcher_info.installed_desktop_file_path)
        LOG.debug("  launcher_info.trans_id: ", launcher_info.trans_id)
        try:
            bus = dbus.SessionBus()
            launcher_obj = bus.get_object('com.canonical.Unity.Launcher',
                                          '/com/canonical/Unity/Launcher')
            launcher_iface = dbus.Interface(launcher_obj, 'com.canonical.Unity.Launcher')
            launcher_iface.AddLauncherItemFromPosition(launcher_info.name,
                                                       launcher_info.icon_file_path,
                                                       launcher_info.icon_x,
                                                       launcher_info.icon_y,
                                                       launcher_info.icon_size,
                                                       launcher_info.installed_desktop_file_path,
                                                       launcher_info.trans_id)
        except Exception as e:
            LOG.warn("could not send dbus signal to the Unity launcher: (%s)", e)
            
    def on_transaction_stopped(self, backend, result):
        if result.pkgname in self.unity_launcher_items:
            self.unity_launcher_items.pop(result.pkgname)
        self.action_bar.clear()

    def show_appview_spinner(self):
        """ display the spinner in the appview panel """
        if not self.state.search_term:
            self.action_bar.clear()
        self.spinner_view.stop()
        self.spinner_notebook.set_current_page(SoftwarePane.Pages.SPINNER)
        # "mask" the spinner view momentarily to prevent it from flashing into
        # view in the case of short delays where it isn't actually needed
        GObject.timeout_add(100, self._unmask_appview_spinner)
        
    def _unmask_appview_spinner(self):
        self.spinner_view.start()
        return False
        
    def hide_appview_spinner(self):
        """ hide the spinner and display the appview in the panel """
        self.spinner_notebook.set_current_page(
                                        SoftwarePane.Pages.APPVIEW)
        self.spinner_view.stop()

    def set_section(self, section):
        self.section = section
        self.app_details_view.set_section(section)
        return

    def section_sync(self):
        self.app_details_view.set_section(self.section)
        return

    def on_app_list_changed(self, pane, length):
        """internal helper that keeps the the action bar up-to-date by
           keeping track of the app-list-changed signals
        """

        self.show_nonapps_if_required(len(self.enquirer.matches))
        self.search_aid.update_search_help(self.state)
        return

    def hide_nonapps(self):
        """ hide non-applications control in the action bar """
        self.action_bar.unset_label()
        return

    def show_nonapps_if_required(self, length):
        """
        update the state of the show/hide non-applications control
        in the action_bar
        """

        enquirer = self.enquirer
        n_apps = enquirer.nr_apps
        n_pkgs = enquirer.nr_pkgs

        # calculate the number of apps/pkgs
        if enquirer.limit > 0 and enquirer.limit < n_pkgs:
            n_apps = min(enquirer.limit, n_apps)
            n_pkgs = min(enquirer.limit - n_apps, n_pkgs)

        if not (n_apps and n_pkgs):
            self.hide_nonapps()
            return

        LOG.debug("nonapps_visible value=%s (always visible: %s)" % (
                self.nonapps_visible, 
                self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE))

        self.action_bar.unset_label()
        if self.nonapps_visible == NonAppVisibility.ALWAYS_VISIBLE:
            LOG.debug('non-apps-ALWAYS-visible')
            # TRANSLATORS: the text inbetween the underscores acts as a link
            # In most/all languages you will want the whole string as a link
            label = gettext.ngettext("_Hide %(amount)i technical item_",
                                     "_Hide %(amount)i technical items_",
                                     n_pkgs) % { 'amount': n_pkgs, }
            self.action_bar.set_label(
                        label, link_result=self._hide_nonapp_pkgs) 
        else:
            label = gettext.ngettext("_Show %(amount)i technical item_",
                                     "_Show %(amount)i technical items_",
                                     n_pkgs) % { 'amount': n_pkgs, }
            self.action_bar.set_label(
                        label, link_result=self._show_nonapp_pkgs)

    def _on_label_app_list_header_activate_link(self, link, uri):
        #print "actiavte: ", link, uri
        if uri.startswith("search:"):
            self.searchentry.set_text(uri[len("search:"):])
        elif uri.startswith("search-all:"):
            self.unset_current_category()
            self.refresh_apps()
        elif uri.startswith("search-parent:"):
            self.apps_subcategory = None;
            self.refresh_apps()
        elif uri.startswith("search-unsupported:"):
            self.apps_filter.set_supported_only(False)
            self.refresh_apps()
        # FIXME: add ability to remove categories restriction here
        # True stops event propergation
        return True

    def _show_nonapp_pkgs(self):
        self.nonapps_visible = NonAppVisibility.ALWAYS_VISIBLE
        self.refresh_apps()

    def _hide_nonapp_pkgs(self):
        self.nonapps_visible = NonAppVisibility.MAYBE_VISIBLE
        self.refresh_apps()

    def get_query(self):
        channel_query = None
        #name = self.pane_name
        if self.channel:
            channel_query = self.channel.query
            #name = self.channel.display_name

        # search terms
        if self.apps_search_term:
            query = self.db.get_query_list_from_search_entry(
                self.apps_search_term, channel_query)

            return query
        # overview list
        # if we are in a channel, limit to that
        if channel_query:
            return channel_query
        # ... otherwise show all
        return xapian.Query("")
        
    def refresh_apps(self, query=None):
        """refresh the applist and update the navigation bar """
        LOG.debug("refresh_apps")

        # FIXME: make this available for all panes
        if query is None:
            query = self.get_query()

        self.app_view.clear_model()
        self.search_aid.reset()
        self.show_appview_spinner()
        self._refresh_apps_with_apt_cache(query)

    def quick_query(self, query):
        # a blocking query and does not emit "query-complete"
        with ExecutionTime("enquirer.set_query() quick query"):
            self.enquirer.set_query(
                                query,
                                limit=self.get_app_items_limit(),
                                nonapps_visible=self.nonapps_visible,
                                nonblocking_load=False,
                                filter=self.state.filter)
        return len(self.enquirer.matches)

    @wait_for_apt_cache_ready
    def _refresh_apps_with_apt_cache(self, query):
        LOG.debug("softwarepane query: %s" % query)
        # a nonblocking query calls on_query_complete once finished
        with ExecutionTime("enquirer.set_query()"):
            self.enquirer.set_query(
                                query,
                                limit=self.get_app_items_limit(),
                                sortmode=self.get_sort_mode(),
                                exact=self.is_custom_list(),
                                nonapps_visible=self.nonapps_visible,
                                filter=self.state.filter)
        return

    def display_details_page(self, page, view_state):
        self.app_details_view.show_app(view_state.application)
        self.action_bar.unset_label()
        return True

    def is_custom_list(self):
        return self.apps_search_term and ',' in self.apps_search_term

    def get_current_page(self):
        return self.notebook.get_current_page()

    def get_app_items_limit(self):
        if self.state.search_term:
            return DEFAULT_SEARCH_LIMIT
        elif self.state.subcategory and self.state.subcategory.item_limit > 0:
            return self.state.subcategory.item_limit
        elif self.state.category and self.state.category.item_limit > 0:
            return self.state.category.item_limit
        return 0

    def get_sort_mode(self):
        # if the category sets a custom sort order, that wins, this
        # is required for top-rated and whats-new
        if (self.state.category and 
            self.state.category.sortmode != SortMethods.BY_ALPHABET):
            return self.state.category.sortmode
        # searches are always by ranking unless the user decided differently
        if (self._is_in_search_mode() and 
            not self.app_view.user_defined_sort_method):
            return SortMethods.BY_SEARCH_RANKING
        # use the appview combo
        return self.app_view.get_sort_mode()

    def on_search_terms_changed(self, terms):
        " stub implementation "
        pass

    def on_db_reopen(self):
        " stub implementation "
        pass

    def is_category_view_showing(self):
        " stub implementation "
        pass
        
    def is_applist_view_showing(self):
        " stub implementation "
        pass
        
    def is_app_details_view_showing(self):
        " stub implementation "
        pass
        
    def get_current_app(self):
        " stub implementation "
        pass

    def on_application_selected(self, widget, app):
        " stub implementation "
        pass

    def get_current_category(self):
        " stub implementation "
        pass

    def unset_current_category(self):
        " stub implementation "
        pass
Example #5
0
    def __init__(self, cache, db, distro, icons, datadir):
        Gtk.VBox.__init__(self)
        self.cache = cache
        self.db = db
        self.distro = distro
        self.icons = icons
        self.datadir = datadir

        self.apps_filter = None
        self.state = DisplayState()

        self.pane_name = _("History")

        # Icon cache, invalidated upon icon theme changes
        self._app_icon_cache = {}
        self._reset_icon_cache()
        self.icons.connect('changed', self._reset_icon_cache)

        self._emblems = {}
        self._get_emblems(self.icons)

        vm = get_viewmanager()
        self.searchentry = vm.get_global_searchentry()

        self.toolbar = Gtk.Toolbar()
        self.toolbar.show()
        self.toolbar.set_style(Gtk.ToolbarStyle.TEXT)
        self.pack_start(self.toolbar, False, True, 0)

        all_action = Gtk.RadioAction('filter_all', _('All Changes'), None, None, self.ALL)
        all_action.connect('changed', self.change_filter)
        all_button = all_action.create_tool_item()
        self.toolbar.insert(all_button, 0)

        installs_action = Gtk.RadioAction('filter_installs', _('Installations'), None, None, self.INSTALLED)
        installs_action.join_group(all_action)
        installs_button = installs_action.create_tool_item()
        self.toolbar.insert(installs_button, 1)

        upgrades_action = Gtk.RadioAction(
            'filter_upgrads', _('Updates'), None, None, self.UPGRADED)
        upgrades_action.join_group(all_action)
        upgrades_button = upgrades_action.create_tool_item()
        self.toolbar.insert(upgrades_button, 2)

        removals_action = Gtk.RadioAction(
            'filter_removals', _('Removals'), None, None, self.REMOVED)
        removals_action.join_group(all_action)
        removals_button = removals_action.create_tool_item()
        self.toolbar.insert(removals_button, 3)
        self.toolbar.connect('draw', self.on_toolbar_draw)

        self._actions_list = all_action.get_group()
        self._set_actions_sensitive(False)

        self.view = Gtk.TreeView()
        self.view.set_headers_visible(False)
        self.view.show()
        self.history_view = Gtk.ScrolledWindow()
        self.history_view.set_policy(Gtk.PolicyType.AUTOMATIC,
                                      Gtk.PolicyType.AUTOMATIC)
        self.history_view.show()
        self.history_view.add(self.view)
        
        # make a spinner to display while history is loading
        self.spinner_view = SpinnerView(_('Loading history'))
        self.spinner_notebook = Gtk.Notebook()
        self.spinner_notebook.set_show_tabs(False)
        self.spinner_notebook.set_show_border(False)
        self.spinner_notebook.append_page(self.history_view, None)
        self.spinner_notebook.append_page(self.spinner_view, None)
        
        self.pack_start(self.spinner_notebook, True, True, 0)

        self.store = Gtk.TreeStore(*self.COL_TYPES)
        self.visible_changes = 0
        self.store_filter = self.store.filter_new(None)
        self.store_filter.set_visible_func(self.filter_row, None)
        self.view.set_model(self.store_filter)
        all_action.set_active(True)
        self.last = None
        
        # to save (a lot of) time at startup we load history later, only when
        # it is selected to be viewed
        self.history = None

        self.column = Gtk.TreeViewColumn(_('Date'))
        self.view.append_column(self.column)
        self.cell_icon = Gtk.CellRendererPixbuf()
        self.column.pack_start(self.cell_icon, False)
        self.column.set_cell_data_func(self.cell_icon, self.render_cell_icon)
        self.cell_text = Gtk.CellRendererText()
        self.column.pack_start(self.cell_text, True)
        self.column.set_cell_data_func(self.cell_text, self.render_cell_text)
        
        # busy cursor
        self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)
Example #6
0
class HistoryPane(Gtk.VBox, BasePane):

    __gsignals__ = {
        "app-list-changed" : (GObject.SignalFlags.RUN_LAST,
                              None, 
                              (int, ),
                             ),
        "history-pane-created" : (GObject.SignalFlags.RUN_FIRST,
                                  None,
                                  ()),
    }

    (COL_WHEN, COL_ACTION, COL_PKG) = range(3)
    COL_TYPES = (object, int, str)

    (ALL, INSTALLED, REMOVED, UPGRADED) = range(4)

    ICON_SIZE = 32
    PADDING = 6
    
    # pages for the spinner notebook
    (PAGE_HISTORY_VIEW,
     PAGE_SPINNER) = range(2)

    def __init__(self, cache, db, distro, icons, datadir):
        Gtk.VBox.__init__(self)
        self.cache = cache
        self.db = db
        self.distro = distro
        self.icons = icons
        self.datadir = datadir

        self.apps_filter = None
        self.state = DisplayState()

        self.pane_name = _("History")

        # Icon cache, invalidated upon icon theme changes
        self._app_icon_cache = {}
        self._reset_icon_cache()
        self.icons.connect('changed', self._reset_icon_cache)

        self._emblems = {}
        self._get_emblems(self.icons)

        vm = get_viewmanager()
        self.searchentry = vm.get_global_searchentry()

        self.toolbar = Gtk.Toolbar()
        self.toolbar.show()
        self.toolbar.set_style(Gtk.ToolbarStyle.TEXT)
        self.pack_start(self.toolbar, False, True, 0)

        all_action = Gtk.RadioAction('filter_all', _('All Changes'), None, None, self.ALL)
        all_action.connect('changed', self.change_filter)
        all_button = all_action.create_tool_item()
        self.toolbar.insert(all_button, 0)

        installs_action = Gtk.RadioAction('filter_installs', _('Installations'), None, None, self.INSTALLED)
        installs_action.join_group(all_action)
        installs_button = installs_action.create_tool_item()
        self.toolbar.insert(installs_button, 1)

        upgrades_action = Gtk.RadioAction(
            'filter_upgrads', _('Updates'), None, None, self.UPGRADED)
        upgrades_action.join_group(all_action)
        upgrades_button = upgrades_action.create_tool_item()
        self.toolbar.insert(upgrades_button, 2)

        removals_action = Gtk.RadioAction(
            'filter_removals', _('Removals'), None, None, self.REMOVED)
        removals_action.join_group(all_action)
        removals_button = removals_action.create_tool_item()
        self.toolbar.insert(removals_button, 3)
        self.toolbar.connect('draw', self.on_toolbar_draw)

        self._actions_list = all_action.get_group()
        self._set_actions_sensitive(False)

        self.view = Gtk.TreeView()
        self.view.set_headers_visible(False)
        self.view.show()
        self.history_view = Gtk.ScrolledWindow()
        self.history_view.set_policy(Gtk.PolicyType.AUTOMATIC,
                                      Gtk.PolicyType.AUTOMATIC)
        self.history_view.show()
        self.history_view.add(self.view)
        
        # make a spinner to display while history is loading
        self.spinner_view = SpinnerView(_('Loading history'))
        self.spinner_notebook = Gtk.Notebook()
        self.spinner_notebook.set_show_tabs(False)
        self.spinner_notebook.set_show_border(False)
        self.spinner_notebook.append_page(self.history_view, None)
        self.spinner_notebook.append_page(self.spinner_view, None)
        
        self.pack_start(self.spinner_notebook, True, True, 0)

        self.store = Gtk.TreeStore(*self.COL_TYPES)
        self.visible_changes = 0
        self.store_filter = self.store.filter_new(None)
        self.store_filter.set_visible_func(self.filter_row, None)
        self.view.set_model(self.store_filter)
        all_action.set_active(True)
        self.last = None
        
        # to save (a lot of) time at startup we load history later, only when
        # it is selected to be viewed
        self.history = None

        self.column = Gtk.TreeViewColumn(_('Date'))
        self.view.append_column(self.column)
        self.cell_icon = Gtk.CellRendererPixbuf()
        self.column.pack_start(self.cell_icon, False)
        self.column.set_cell_data_func(self.cell_icon, self.render_cell_icon)
        self.cell_text = Gtk.CellRendererText()
        self.column.pack_start(self.cell_text, True)
        self.column.set_cell_data_func(self.cell_text, self.render_cell_text)
        
        # busy cursor
        self.busy_cursor = Gdk.Cursor.new(Gdk.CursorType.WATCH)

    def init_view(self):
        if self.history == None:
            # if the history is not yet initialized we have to load and parse it
            # show a spinner while we do that
            self.realize()
            window = self.get_window()
            window.set_cursor(self.busy_cursor)
            self.spinner_view.start()
            self.spinner_notebook.set_current_page(self.PAGE_SPINNER)
            self.load_and_parse_history()
            self.spinner_notebook.set_current_page(self.PAGE_HISTORY_VIEW)
            self.spinner_view.stop()
            self._set_actions_sensitive(True)
            window.set_cursor(None)
            self.emit("history-pane-created")

    def on_toolbar_draw(self, widget, cr):
        a = widget.get_allocation()
        context = widget.get_style_context()

        color = context.get_border_color(widget.get_state_flags())
        cr.set_source_rgba(color.red, color.green, color.blue, 0.5)
        cr.set_line_width(1)
        cr.move_to(0.5, a.height - 0.5)
        cr.rel_line_to(a.width-1, 0)
        cr.stroke()
        return

    def _get_emblems(self, icons):
        emblem_names = ("package-install",
                        "package-remove",
                        "package-upgrade")

        for i, emblem in enumerate(emblem_names):
            pb = icons.load_icon(emblem, self.ICON_SIZE, 0)
            self._emblems[i + 1] = pb
        return

    def _set_actions_sensitive(self, sensitive):
        for action in self._actions_list:
            action.set_sensitive(sensitive)

    def _reset_icon_cache(self, theme=None):
        self._app_icon_cache.clear()
        try:
            missing = self.icons.load_icon(Icons.MISSING_APP, self.ICON_SIZE, 0)
        except GObject.GError:
            missing = None
        self._app_icon_cache[Icons.MISSING_APP] = missing
        
    def load_and_parse_history(self):
        from softwarecenter.db.history import get_pkg_history
        self.history = get_pkg_history()
        # FIXME: a signal from AptHistory is nicer
        while not self.history.history_ready:
            while Gtk.events_pending():
                Gtk.main_iteration()
        self.parse_history()
        self.history.set_on_update(self.parse_history)

    def parse_history(self):
        date = None
        when = None
        last_row = None
        day = self.store.get_iter_first()
        if day is not None:
            date = self.store.get_value(day, self.COL_WHEN)
        if len(self.history.transactions) == 0:
            logging.debug("AptHistory is currently empty")
            return
        new_last = self.history.transactions[0].start_date
        for trans in self.history.transactions:
            while Gtk.events_pending():
                Gtk.main_iteration()
            when = trans.start_date
            if self.last is not None and when <= self.last:
                break
            if when.date() != date:
                date = when.date()
                day = self.store.append(None, (date, self.ALL, None))
                last_row = None
            actions = {self.INSTALLED: trans.install, 
                       self.REMOVED: trans.remove,
                       self.UPGRADED: trans.upgrade,
                      }
            for action, pkgs in actions.items():
                for pkgname in pkgs:
                    row = (when, action, pkgname)
                    last_row = self.store.insert_after(day, last_row, row)
        self.last = new_last
        self.update_view()

    def get_current_page(self):
        # single page views can return None here
        return None

    def get_callback_for_page(self, page, state):
        # single page views can return None here
        return None

    def on_search_terms_changed(self, entry, terms):
        self.update_view()

    def on_nav_back_clicked(self, widget):
        vm = get_viewmanager()
        vm.nav_back()

    def on_nav_forward_clicked(self, widget):
        vm = get_viewmanager()
        vm.nav_forward()

    def change_filter(self, action, current):
        self.filter = action.get_current_value()
        self.update_view()

    def update_view(self):
        self.store_filter.refilter()
        self.view.collapse_all()
        # Expand all the matching rows
        if self.searchentry.get_text():
            self.view.expand_all()

        # Compute the number of visible changes
        # don't do this atm - the spec doesn't mention that the history pane
        # should have a status text and it gives us a noticable performance gain
        # if we don't calculate this
#        self.visible_changes = 0
 #       day = self.store_filter.get_iter_first()
  #      while day is not None:
   #         self.visible_changes += self.store_filter.iter_n_children(day)
    #        day = self.store_filter.iter_next(day)
            
        # Expand the most recent day
        day = self.store.get_iter_first()
        if day is not None:
	        path = self.store.get_path(day)
	        self.view.expand_row(path, False)
	        self.view.scroll_to_cell(path)

#        self.emit('app-list-changed', self.visible_changes)

    def _row_matches(self, store, iter):
        # Whether a child row matches the current filter and the search entry
        pkg = store.get_value(iter, self.COL_PKG) or ''
        filter_values = (self.ALL, store.get_value(iter, self.COL_ACTION))
        filter_matches = self.filter in filter_values
        search_matches = self.searchentry.get_text().lower() in pkg.lower()
        return filter_matches and search_matches

    def filter_row(self, store, iter, user_data):
        pkg = store.get_value(iter, self.COL_PKG)
        if pkg is not None:
            return self._row_matches(store, iter)
        else:
            i = store.iter_children(iter)
            while i is not None:
                if self._row_matches(store, i):
                    return True
                i = store.iter_next(i)
            return False

    def render_cell_icon(self, column, cell, store, iter, user_data):
        pkg = store.get_value(iter, self.COL_PKG)
        if pkg is None:
            cell.set_visible(False)
            return

        cell.set_visible(True)

        when = store.get_value(iter, self.COL_WHEN)
        if isinstance(when, datetime.datetime):
            action = store.get_value(iter, self.COL_ACTION)
            cell.set_property('pixbuf', self._emblems[action])


            #~ icon_name = Icons.MISSING_APP
            #~ for m in self.db.xapiandb.postlist("AP" + pkg):
                #~ doc = self.db.xapiandb.get_document(m.docid)
                #~ icon_value = doc.get_value(XapianValues.ICON)
                #~ if icon_value:
                    #~ icon_name = os.path.splitext(icon_value)[0]
                #~ break
            #~ if icon_name in self._app_icon_cache:
                #~ icon = self._app_icon_cache[icon_name]
            #~ else:
                #~ try:
                    #~ icon = self.icons.load_icon(icon_name, self.ICON_SIZE, 0)
                #~ except GObject.GError:
                    #~ icon = self._app_icon_cache[Icons.MISSING_APP]
                #~ self._app_icon_cache[icon_name] = icon
            

    def render_cell_text(self, column, cell, store, iter, user_data):
        when = store.get_value(iter, self.COL_WHEN)
        if isinstance(when, datetime.datetime):
            action = store.get_value(iter, self.COL_ACTION)
            pkg = store.get_value(iter, self.COL_PKG)
            subs = {'pkgname': pkg,
                    'color': '#8A8A8A',
                    # Translators : time displayed in history, display hours (0-12), minutes and AM/PM. %H should be used instead of %I to display hours 0-24
                    'time': when.time().strftime(_('%I:%M %p')),
                   }
            if action == self.INSTALLED:
                text = _('%(pkgname)s <span color="%(color)s">installed %(time)s</span>') % subs
            elif action == self.REMOVED:
                text = _('%(pkgname)s <span color="%(color)s">removed %(time)s</span>') % subs
            elif action == self.UPGRADED:
                text = _('%(pkgname)s <span color="%(color)s">updated %(time)s</span>') % subs
        elif isinstance(when, datetime.date):
            today = datetime.date.today()
            monday = today - datetime.timedelta(days=today.weekday())
            if when == today:
                text = _("Today")
            elif when >= monday:
                # Current week, display the name of the day
                text = when.strftime(_('%A'))
            else:
                if when.year == today.year:
                    # Current year, display the day and month
                    text = when.strftime(_('%d %B'))
                else:
                    # Display the full date: day, month, year
                    text = when.strftime(_('%d %B %Y'))
        cell.set_property('markup', text)