Exemplo n.º 1
0
class Rigo(Gtk.Application):

    class RigoHandler(object):

        def __init__(self, rigo_app, rigo_service):
            self._app = rigo_app
            self._service = rigo_service

        def onDeleteWindow(self, window, event):
            # if UI is locked, do not allow to close Rigo
            if self._app.is_ui_locked() or \
                    self._service.local_activity() != LocalActivityStates.READY:
                rc = self._app._show_yesno_dialog(
                    None,
                    escape_markup(_("Hey hey hey!")),
                    escape_markup(_("Rigo is working, are you sure?")))
                if rc == Gtk.ResponseType.NO:
                    return True

            while True:
                try:
                    entropy.tools.kill_threads()
                    Gtk.main_quit((window, event))
                except KeyboardInterrupt:
                    continue
                break

    def __init__(self):
        self._current_state_lock = False
        self._current_state = RigoViewStates.STATIC_VIEW_STATE
        self._state_transitions = {
            RigoViewStates.BROWSER_VIEW_STATE: (
                self._enter_browser_state,
                self._exit_browser_state),
            RigoViewStates.STATIC_VIEW_STATE: (
                self._enter_static_state,
                self._exit_static_state),
            RigoViewStates.APPLICATION_VIEW_STATE: (
                self._enter_application_state,
                self._exit_application_state),
            RigoViewStates.WORK_VIEW_STATE: (
                self._enter_work_state,
                self._exit_work_state),
            RigoViewStates.CONFUPDATES_VIEW_STATE: (
                self._enter_confupdates_state,
                self._exit_confupdates_state),
            RigoViewStates.NOTICEBOARD_VIEW_STATE: (
                self._enter_noticeboard_state,
                self._exit_noticeboard_state),
            RigoViewStates.PREFERENCES_VIEW_STATE: (
                self._enter_preferences_state,
                self._exit_preferences_state),
            RigoViewStates.REPOSITORY_VIEW_STATE: (
                self._enter_repository_state,
                self._exit_repository_state),
            RigoViewStates.GROUPS_VIEW_STATE: (
                self._enter_groups_state,
                self._exit_groups_state)
        }
        self._state_metadata = {
            RigoViewStates.BROWSER_VIEW_STATE: {
                "title": _("Search"),
                },
            RigoViewStates.STATIC_VIEW_STATE: {
                "title": _("Rigo Application Browser"),
                },
            RigoViewStates.APPLICATION_VIEW_STATE: {
                "title": _("Application"),
                },
            RigoViewStates.WORK_VIEW_STATE: {
                "title": _("Working Hard"),
                },
            RigoViewStates.CONFUPDATES_VIEW_STATE: {
                "title": _("Wake Up"),
                },
            RigoViewStates.NOTICEBOARD_VIEW_STATE: {
                "title": _("Important Stuff"),
                },
            RigoViewStates.PREFERENCES_VIEW_STATE: {
                "title": _("Breaking Stuff"),
                },
            RigoViewStates.REPOSITORY_VIEW_STATE: {
                "title": _("Repository Stuff"),
                },
            RigoViewStates.GROUPS_VIEW_STATE: {
                "title": _("Application Groups"),
                },
        }
        self._state_mutex = Lock()

        icons = get_sc_icon_theme(DATA_DIR)

        self._activity_rwsem = ReadersWritersSemaphore()

        # This relies on the fact that the installed packages repository
        # is lazily loaded (thus, schema update code is).
        self._entropy = Client()
        self._entropy_ws = EntropyWebService(self._entropy)

        preload_task = ParallelTask(self._entropy_ws.preload)
        preload_task.name = "PreloadEntropyWebService"
        preload_task.daemon = True
        preload_task.start()

        self._service = RigoServiceController(
            self, self._activity_rwsem,
            self._entropy, self._entropy_ws)

        app_handler = Rigo.RigoHandler(self, self._service)

        self._builder = Gtk.Builder()
        self._builder.add_from_file(os.path.join(DATA_DIR, "ui/gtk3/rigo.ui"))
        self._builder.connect_signals(app_handler)
        self._window = self._builder.get_object("rigoWindow")
        self._window.set_name("rigo-view")
        self._apps_view = self._builder.get_object("appsViewVbox")
        self._scrolled_view = self._builder.get_object("appsViewScrolledWindow")
        self._app_view = self._builder.get_object("appViewScrollWin")
        self._app_view.set_name("rigo-view")
        self._app_view_port = self._builder.get_object("appViewVport")
        self._app_view_port.set_name("rigo-view")
        self._not_found_box = self._builder.get_object("appsViewNotFoundVbox")

        self._config_scrolled_view = self._builder.get_object(
            "configViewScrolledWindow")
        self._config_view = self._builder.get_object("configViewVbox")
        self._config_view.set_name("rigo-view")

        self._repo_scrolled_view = self._builder.get_object(
            "repoViewScrolledWindow")
        self._repo_view = self._builder.get_object("repoViewVbox")
        self._repo_view.set_name("rigo-view")

        self._notice_scrolled_view = self._builder.get_object(
            "noticeViewScrolledWindow")
        self._notice_view = self._builder.get_object("noticeViewVbox")
        self._notice_view.set_name("rigo-view")

        self._pref_scrolled_view = self._builder.get_object(
            "preferencesViewScrolledWindow")
        self._pref_view = self._builder.get_object("preferencesViewVbox")
        self._pref_view.set_name("rigo-view")

        self._group_scrolled_view = self._builder.get_object(
            "groupViewScrolledWindow")
        self._group_view = self._builder.get_object("groupViewVbox")
        self._group_view.set_name("rigo-view")

        self._search_entry = self._builder.get_object("searchEntry")
        self._search_entry_completion = self._builder.get_object(
            "searchEntryCompletion")
        self._search_entry_store = self._builder.get_object(
            "searchEntryStore")
        self._static_view = self._builder.get_object("staticViewVbox")
        self._notification = self._builder.get_object("notificationBox")
        self._bottom_notification = \
            self._builder.get_object("bottomNotificationBox")
        self._work_view = self._builder.get_object("workViewVbox")
        self._work_view.set_name("rigo-view")

        self._pref_button = self._builder.get_object(
            "prefButton")
        def _pref_button_activate(widget):
            self._change_view_state(
                RigoViewStates.PREFERENCES_VIEW_STATE)
        self._pref_button.connect(
            "clicked", _pref_button_activate)

        # Preferences model, view and controller
        self._pref_store = PreferencesListStore()
        self._view_pref = PreferencesTreeView(
            icons, PreferencesListStore.ICON_SIZE)
        self._pref_scrolled_view.add(self._view_pref)
        def _pref_queue_draw(*args):
            self._view_pref.queue_draw()
        self._pref_store.connect("redraw-request", _pref_queue_draw)
        self._pref_view_c = PreferenceViewController(
            self._pref_store, self._view_pref)

        self._app_view_c = ApplicationViewController(
            self._entropy, self._entropy_ws, self._pref_view_c,
            self._service, self._builder)

        self._view = AppTreeView(
            self._entropy, self._service, self._app_view_c, icons,
            True, AppListStore.ICON_SIZE, store=None)
        self._scrolled_view.add(self._view)
        self._view.set_scrolled_view(self._scrolled_view)

        self._app_store = AppListStore(
            self._entropy, self._entropy_ws,
            self._service, self._view, icons)
        def _queue_draw(*args):
            self._view.queue_draw()
        self._app_store.connect("redraw-request", _queue_draw)

        self._app_view_c.set_store(self._app_store)
        self._app_view_c.connect("application-show",
            self._on_application_show)

        # Configuration file updates model, view and controller
        self._config_store = ConfigUpdatesListStore()
        self._view_config = ConfigUpdatesTreeView(
            icons, ConfigUpdatesListStore.ICON_SIZE)
        self._config_scrolled_view.add(self._view_config)
        def _config_queue_draw(*args):
            self._view_config.queue_draw()
        self._config_store.connect("redraw-request", _config_queue_draw)
        self._config_view_c = ConfigUpdatesViewController(
            self._entropy, self._config_store, self._view_config)
        self._config_view_c.connect(
            "view-cleared", self._on_view_cleared)

        self._service.set_configuration_controller(self._config_view_c)

        # Repository model, view and controller
        self._repo_store = RepositoryListStore()
        self._view_repo = RepositoryTreeView(
            icons, RepositoryListStore.ICON_SIZE)
        self._repo_scrolled_view.add(self._view_repo)
        def _repo_queue_draw(*args):
            self._view_repo.queue_draw()
        self._repo_store.connect("redraw-request", _repo_queue_draw)
        self._repo_view_c = RepositoryViewController(
            self._pref_view_c, self._service, self._repo_store,
            self._view_repo)

        # NoticeBoard model, view and controller
        self._notice_store = NoticeBoardListStore()
        self._view_notice = NoticeBoardTreeView(
            icons, NoticeBoardListStore.ICON_SIZE)
        self._notice_scrolled_view.add(self._view_notice)
        def _notice_queue_draw(*args):
            self._view_notice.queue_draw()
        self._notice_store.connect("redraw-request", _notice_queue_draw)
        self._notice_view_c = NoticeBoardViewController(
            self._notice_store, self._view_notice)

        self._service.set_noticeboard_controller(self._notice_view_c)

        # Group model, view and controller
        self._group_store = GroupListStore()
        self._view_group = GroupTreeView(
            icons, GroupListStore.ICON_SIZE)
        self._group_scrolled_view.add(self._view_group)
        def _group_queue_draw(*args):
            self._view_group.queue_draw()
        self._group_store.connect("redraw-request", _group_queue_draw)
        self._group_view_c = GroupViewController(
            self._service, self._group_store,
            self._view_group, self._pref_view_c)

        self._welcome_box = WelcomeBox()

        settings = Gtk.Settings.get_default()
        settings.set_property("gtk-error-bell", False)
        # wire up the css provider to reconfigure on theme-changes
        self._window.connect("style-updated",
                                 self._on_style_updated,
                                 init_sc_css_provider,
                                 settings,
                                 Gdk.Screen.get_default(),
                                 DATA_DIR)

        # Force the initialization of the css provider asap.
        # This fixes a glitch with GTK 3.10
        init_sc_css_provider(
            self._window,
            settings,
            Gdk.Screen.get_default(),
            DATA_DIR)

        self._nc = UpperNotificationViewController(
            self._entropy, self._entropy_ws, self._notification)
        # Bottom NotificationBox controller.
        # Bottom notifications are only used for
        # providing Activity control to User during
        # the Activity itself.
        self._bottom_nc = BottomNotificationViewController(
            self._window, self._bottom_notification,
            self._pref_button)

        self._avc = ApplicationsViewController(
            self._activity_rwsem,
            self._entropy, self._entropy_ws,
            self._nc, self._bottom_nc, self._service,
            self._pref_view_c, icons, self._not_found_box,
            self._search_entry, self._search_entry_completion,
            self._search_entry_store, self._app_store, self._view)

        self._avc.connect("view-cleared", self._on_view_cleared)
        self._avc.connect("view-filled", self._on_view_filled)
        self._avc.connect("view-want-change", self._on_view_change)

        self._service.set_bottom_notification_controller(
            self._bottom_nc)

        self._app_view_c.set_notification_controller(self._nc)
        self._app_view_c.set_applications_controller(self._avc)

        self._config_view_c.set_notification_controller(self._nc)
        self._config_view_c.set_applications_controller(self._avc)

        self._repo_view_c.set_notification_controller(self._nc)
        self._repo_view_c.set_applications_controller(self._avc)

        self._notice_view_c.set_notification_controller(self._nc)
        self._notice_view_c.set_applications_controller(self._avc)

        self._group_view_c.set_applications_controller(self._avc)

        self._service.set_applications_controller(self._avc)
        self._service.set_application_controller(self._app_view_c)
        self._service.set_notification_controller(self._nc)

        self._service.connect("start-working", self._on_start_working)
        self._service.connect("repositories-updated",
                              self._on_repo_updated)
        self._service.connect("applications-managed",
                              self._on_applications_managed)

        self._work_view_c = WorkViewController(
            icons, self._service, self._work_view)
        self._service.set_work_controller(self._work_view_c)

        self._bottom_nc.connect("show-work-view", self._on_show_work_view)
        self._bottom_nc.connect("work-interrupt", self._on_work_interrupt)

    def is_ui_locked(self):
        """
        Return whether the UI is currently locked.
        """
        return self._current_state_lock

    def _thread_dumper(self):
        """
        If --dumper is in argv, a recurring thread dump
        function will be spawned every 30 seconds.
        """
        dumper_enable = self._nsargs.dumper
        if dumper_enable:
            task = None

            def _dumper():
                def _dump():
                    task.kill()
                    dump_signal(None, None)
                timer = Timer(10.0, _dump)
                timer.name = "MainThreadHearthbeatCheck"
                timer.daemon = True
                timer.start()
                GLib.idle_add(timer.cancel)

            task = TimeScheduled(5.0, _dumper)
            task.name = "ThreadDumper"
            task.daemon = True
            task.start()

    def _on_start_working(self, widget, state, lock):
        """
        Emitted by RigoServiceController when we're asked to
        switch to the Work View and, if lock = True, lock UI.
        """
        if lock:
            self._search_entry.set_sensitive(False)
        if state is not None:
            self._change_view_state(state, lock=lock)

    def _on_work_interrupt(self, widget):
        """
        We've been explicitly asked to interrupt the currently
        ongoing work
        """
        rc = self._show_yesno_dialog(
            self._window,
            escape_markup(_("Activity Interruption")),
            escape_markup(
                _("Are you sure you want to interrupt"
                  " the ongoing Activity? The interruption will"
                  " occur as soon as possible, potentially not"
                  " immediately.")))
        if rc == Gtk.ResponseType.NO:
            return
        self._service.interrupt_activity()

    def _on_show_work_view(self, widget):
        """
        We've been explicitly asked to switch to WORK_VIEW_STATE
        """
        self._change_view_state(RigoViewStates.WORK_VIEW_STATE,
                                _ignore_lock=True)

    def _on_repo_updated(self, widget, result, message):
        """
        Emitted by RigoServiceController telling us that
        repositories have been updated.
        """
        with self._state_mutex:
            self._current_state_lock = False
        self._search_entry.set_sensitive(True)
        if result != 0:
            msg = "<b>%s</b>: %s" % (
                _("Repositories update error"),
                message,)
            message_type = Gtk.MessageType.ERROR
        else:
            msg = _("Repositories updated <b>successfully</b>!")
            message_type = Gtk.MessageType.INFO

        box = NotificationBox(
            msg, message_type=message_type,
            context_id=RigoServiceController.NOTIFICATION_CONTEXT_ID)
        box.add_destroy_button(_("Ok, thanks"))
        self._nc.append(box)

    def _on_applications_managed(self, widget, success, local_activity):
        """
        Emitted by RigoServiceController telling us that
        enqueue application actions have been completed.
        """
        msg = "N/A"
        if not success:
            if local_activity == LocalActivityStates.MANAGING_APPLICATIONS:
                msg = "<b>%s</b>: %s" % (
                    _("Application Management Error"),
                    _("please check the management log"),)
            elif local_activity == LocalActivityStates.UPGRADING_SYSTEM:
                msg = "<b>%s</b>: %s" % (
                    _("System Upgrade Error"),
                    _("please check the upgrade log"),)
            message_type = Gtk.MessageType.ERROR
        else:
            if local_activity == LocalActivityStates.MANAGING_APPLICATIONS:
                msg = _("Applications managed <b>successfully</b>!")
            elif local_activity == LocalActivityStates.UPGRADING_SYSTEM:
                msg = _("System Upgraded <b>successfully</b>!")
            message_type = Gtk.MessageType.INFO

        box = NotificationBox(
            msg, message_type=message_type,
            context_id=RigoServiceController.NOTIFICATION_CONTEXT_ID)
        box.add_destroy_button(_("Ok, thanks"))
        box.add_button(_("Show me"), self._on_show_work_view)
        self._nc.append(box)
        self._work_view_c.deactivate_app_box()

    def _on_view_cleared(self, *args):
        self._change_view_state(RigoViewStates.STATIC_VIEW_STATE)

    def _on_view_filled(self, *args):
        self._change_view_state(RigoViewStates.BROWSER_VIEW_STATE)

    def _on_view_change(self, widget, state, payload):
        self._change_view_state(state, payload=payload)

    def _on_application_show(self, *args):
        self._change_view_state(RigoViewStates.APPLICATION_VIEW_STATE)

    def _exit_browser_state(self):
        """
        Action triggered when UI exits the Application Browser
        state (or mode).
        """
        self._avc.deselect()
        self._apps_view.hide()

    def _enter_browser_state(self):
        """
        Action triggered when UI exits the Application Browser
        state (or mode).
        """
        self._apps_view.show()

    def _exit_confupdates_state(self):
        """
        Action triggered when UI exits the Configuration Updates
        state (or mode).
        """
        self._config_view.hide()

    def _enter_confupdates_state(self):
        """
        Action triggered when UI enters the Configuration Updates
        state (or mode).
        """
        self._config_view.show()

    def _exit_noticeboard_state(self):
        """
        Action triggered when UI exits the NoticeBoard
        state (or mode).
        """
        self._notice_view.hide()

    def _enter_noticeboard_state(self):
        """
        Action triggered when UI enters the NoticeBoard
        state (or mode).
        """
        self._notice_view.show()

    def _exit_repository_state(self):
        """
        Action triggered when UI exits the Repository
        Management state (or mode).
        """
        self._repo_view.hide()
        self._repo_view_c.clear()

    def _enter_repository_state(self):
        """
        Action triggered when UI enters the Repository
        Management state (or mode).
        """
        self._repo_view_c.load()
        self._repo_view.show()

    def _exit_preferences_state(self):
        """
        Action triggered when UI exits the Preferences
        state (or mode).
        """
        self._pref_view.hide()

    def _enter_preferences_state(self):
        """
        Action triggered when UI enters the Preferences
        state (or mode).
        """
        self._pref_view.show()

    def _exit_groups_state(self):
        """
        Action triggered when UI exits the Groups
        state (or mode).
        """
        self._group_view.hide()

    def _enter_groups_state(self):
        """
        Action triggered when UI enters the Groups
        state (or mode).
        """
        self._group_view_c.load()
        self._group_view.show()

    def _exit_static_state(self):
        """
        Action triggered when UI exits the Static Browser
        state (or mode). AKA the Welcome Box.
        """
        self._static_view.hide()
        # release all the childrens of static_view
        for child in self._static_view.get_children():
            self._static_view.remove(child)

    def _enter_static_state(self):
        """
        Action triggered when UI exits the Static Browser
        state (or mode). AKA the Welcome Box.
        """
        # keep the current widget if any, or add the
        # welcome widget
        if not self._static_view.get_children():
            self._welcome_box.show()
            self._static_view.pack_start(self._welcome_box,
                                         True, True, 10)
        self._static_view.show()

    def _enter_application_state(self):
        """
        Action triggered when UI enters the Package Information
        state (or mode). Showing application information.
        """
        # change search_entry first icon to emphasize the
        # back action
        self._search_entry.set_icon_from_stock(
            Gtk.EntryIconPosition.PRIMARY,
            "gtk-go-back")
        self._app_view.show()

    def _exit_application_state(self):
        """
        Action triggered when UI exits the Package Information
        state (or mode). Hiding back application information.
        """
        self._search_entry.set_icon_from_stock(
            Gtk.EntryIconPosition.PRIMARY, "gtk-find")
        self._app_view.hide()
        self._app_view_c.hide()

    def _enter_work_state(self):
        """
        Action triggered when UI enters the Work View state (or mode).
        Either for Updating Repositories or Installing new Apps.
        """
        self._work_view.show()

    def _exit_work_state(self):
        """
        Action triggered when UI exits the Work View state (or mode).
        """
        self._work_view.hide()

    def _change_view_state(self, state, lock=False, _ignore_lock=False,
                           payload=None):
        """
        Change Rigo Application UI state.
        You can pass a custom widget that will be shown in case
        of static view state.
        """
        with self._state_mutex:
            if self._current_state_lock and not _ignore_lock:
                const_debug_write(
                    __name__,
                    "cannot change view state, UI locked")
                return False
            txc = self._state_transitions.get(state)
            if txc is None:
                raise AttributeError("wrong view state")
            enter_st, exit_st = txc

            current_enter_st, current_exit_st = \
                self._state_transitions.get(
                    self._current_state)
            # exit from current state
            current_exit_st()
            # enter the new state
            enter_st()
            self._current_state = state
            if lock:
                self._current_state_lock = True

            state_meta = self._state_metadata[state]
            self._window.set_title(escape_markup(
                    state_meta["title"]))

            return True

    def _change_view_state_safe(self, state):
        """
        Thread-safe version of change_view_state().
        """
        def _do_change():
            return self._change_view_state(state)
        GLib.idle_add(_do_change)

    def _on_style_updated(self, widget, init_css_callback, *args):
        """
        Gtk Style callback, nothing to see here.
        """
        init_css_callback(widget, *args)

    def _show_ok_dialog(self, parent, title, message):
        """
        Show ugly OK dialog window.
        """
        dlg = Gtk.MessageDialog(parent=parent,
                            type=Gtk.MessageType.INFO,
                            buttons=Gtk.ButtonsType.OK)
        dlg.set_markup(message)
        dlg.set_title(title)
        dlg.run()
        dlg.destroy()

    def _show_yesno_dialog(self, parent, title, message):
        """
        Show ugly Yes/No dialog window.
        """
        dlg = Gtk.MessageDialog(parent=parent,
                            type=Gtk.MessageType.INFO,
                            buttons=Gtk.ButtonsType.YES_NO)
        dlg.set_markup(message)
        dlg.set_title(title)
        rc = dlg.run()
        dlg.destroy()
        return rc

    def _permissions_setup(self):
        """
        Check execution privileges and spawn the Rigo UI.
        """
        if not entropy.tools.is_user_in_entropy_group():
            # otherwise the lock handling would potentially
            # fail.
            self._show_ok_dialog(
                None,
                escape_markup(_("Not authorized")),
                escape_markup(_("You are not authorized to run Rigo")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        if not self._service.service_available():
            self._show_ok_dialog(
                None,
                escape_markup(_("Rigo")),
                escape_markup(_("RigoDaemon service is not available")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        supported_apis = self._service.supported_apis()
        daemon_api = self._service.api()
        if daemon_api not in supported_apis:
            self._show_ok_dialog(
                None,
                escape_markup(_("Rigo")),
                escape_markup(
                    _("API mismatch, please update Rigo and RigoDaemon")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        lock = EntropyResourcesLock(output=self._entropy)
        # always execute this from the MainThread, since the lock uses TLS
        acquired = lock.try_acquire_shared()
        is_exclusive = False
        if not acquired:
            # check whether RigoDaemon is running in excluive mode
            # and ignore non-atomicity here (failing with error
            # is acceptable)
            if not self._service.exclusive():
                self._show_ok_dialog(
                    None,
                    escape_markup(_("Rigo")),
                    escape_markup(_("Another Application Manager is active")))
                entropy.tools.kill_threads()
                Gtk.main_quit()
                return
            is_exclusive = True
            # otherwise we can go ahead and handle our state later

        # check RigoDaemon, don't worry about races between Rigo Clients
        # it is fine to have multiple Rigo Clients connected. Mutual
        # exclusion is handled via Entropy Resources Lock (which is a file
        # based rwsem).
        activity = self._service.activity()
        if activity != DaemonActivityStates.AVAILABLE:
            msg = ""
            show_dialog = True

            if activity == DaemonActivityStates.NOT_AVAILABLE:
                msg = _("Background Service is currently not available")

            elif activity == DaemonActivityStates.UPDATING_REPOSITORIES:
                show_dialog = False
                task = ParallelTask(
                    self._service._update_repositories,
                    [], False, master=False)
                task.daemon = True
                task.name = "UpdateRepositoriesUnlocked"
                task.start()

            elif activity == DaemonActivityStates.MANAGING_APPLICATIONS:
                show_dialog = False
                task = ParallelTask(
                    self._service._application_request,
                    None, None, master=False)
                task.daemon = True
                task.name = "ApplicationRequestUnlocked"
                task.start()

            elif activity == DaemonActivityStates.UPGRADING_SYSTEM:
                show_dialog = False
                task = ParallelTask(
                    self._service._upgrade_system,
                    False, master=False)
                task.daemon = True
                task.name = "UpgradeSystemUnlocked"
                task.start()

            elif activity == DaemonActivityStates.INTERNAL_ROUTINES:
                msg = _("Background Service is currently busy")
            else:
                msg = _("Background Service is incompatible with Rigo")

            if show_dialog:
                self._show_ok_dialog(
                    None,
                    escape_markup(_("Rigo")),
                    escape_markup(msg))
                entropy.tools.kill_threads()
                Gtk.main_quit()
                return

        elif is_exclusive:
            msg = _("Background Service is currently unavailable")
            # no lock acquired, cannot continue the initialization
            self._show_ok_dialog(
                None,
                escape_markup(_("Rigo")),
                escape_markup(msg))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        parser = argparse.ArgumentParser(
            description=_("Rigo Application Browser"))
        parser.add_argument(
            "package", nargs='?', type=file,
            metavar="<path>", help="package path")
        parser.add_argument(
            "--install",
            metavar="<dep string>", help="install given dependency")
        parser.add_argument(
            "--remove",
            metavar="<dep string>", help="remove given dependency")
        parser.add_argument(
            "--upgrade", help="upgrade the system",
            action="store_true", default=False)
        parser.add_argument(
            "--dumper", help="enable the main thread dumper (debug)",
            action="store_true", default=False)
        parser.add_argument(
            "--debug", help="enable Entropy Library debug mode",
            action="store_true", default=False)
        try:
            self._nsargs = parser.parse_args(sys.argv[1:])
        except IOError as err:
            self._show_ok_dialog(
                None,
                escape_markup(_("Rigo")),
                escape_markup("%s" % (err,)))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        self._thread_dumper()
        self._pref_view_c.setup()
        self._group_view_c.setup()
        self._config_view_c.setup()
        self._repo_view_c.setup()
        self._notice_view_c.setup()
        self._app_view_c.setup()
        self._avc.setup()
        self._nc.setup()
        self._work_view_c.setup()
        self._service.setup(acquired)
        self._easter_eggs()
        self._window.show()
        managing = self._start_managing()
        if not managing:
            self._change_view_state(RigoViewStates.GROUPS_VIEW_STATE)
            self._service.hello()

    def _easter_eggs(self):
        """
        Moo!
        """
        msg = None
        if entropy.tools.is_st_valentine():
            msg = escape_markup(_("Happy St. Valentine <3 <3 !"))
        elif entropy.tools.is_xmas():
            msg = escape_markup(_("Merry Xmas \o/ !"))
        elif entropy.tools.is_author_bday():
            msg = escape_markup(_("Happy birthday to my authoooooor!"))
        elif entropy.tools.is_april_first():
            msg = escape_markup(_("<=|=< (this is optimistically a fish)"))
        if msg is not None:
            box = NotificationBox(
                msg, message_type=Gtk.MessageType.INFO,
                context_id="EasterEggs")
            box.add_destroy_button(_("Woot, thanks"))
            self._nc.append(box)

    def _start_managing(self):
        """
        Start managing applications passed via argv.
        """
        managing = False

        if self._nsargs.install:
            dependency = self._nsargs.install
            task = ParallelTask(
                self._avc.install, dependency)
            task.name = "AppInstall-%s" % (dependency,)
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.remove:
            dependency = self._nsargs.remove
            task = ParallelTask(
                self._avc.remove, dependency)
            task.name = "AppRemove-%s" % (dependency,)
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.package:
            path = self._nsargs.package.name
            self._nsargs.package.close() # no need, unfortunately
            task = ParallelTask(
                self._avc.install_package, path)
            task.name = "AppInstallPackage-%s" % (path,)
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.upgrade:
            task = ParallelTask(self._avc.upgrade)
            task.name = "SystemUpgrade"
            task.daemon = True
            task.start()
            managing = True

        return managing

    def run(self):
        """
        Run Rigo ;-)
        """
        self._welcome_box.render()
        self._change_view_state(self._current_state)
        GLib.idle_add(self._permissions_setup)

        GLib.threads_init()
        Gdk.threads_enter()
        Gtk.main()
        Gdk.threads_leave()
        entropy.tools.kill_threads()
Exemplo n.º 2
0
class Rigo(Gtk.Application):
    class RigoHandler(object):
        def __init__(self, rigo_app, rigo_service):
            self._app = rigo_app
            self._service = rigo_service

        def onDeleteWindow(self, window, event):
            # if UI is locked, do not allow to close Rigo
            if self._app.is_ui_locked() or \
                    self._service.local_activity() != LocalActivityStates.READY:
                rc = self._app._show_yesno_dialog(
                    None, escape_markup(_("Hey hey hey!")),
                    escape_markup(_("Rigo is working, are you sure?")))
                if rc == Gtk.ResponseType.NO:
                    return True

            while True:
                try:
                    entropy.tools.kill_threads()
                    Gtk.main_quit((window, event))
                except KeyboardInterrupt:
                    continue
                break

    def __init__(self):
        self._current_state_lock = False
        self._current_state = RigoViewStates.STATIC_VIEW_STATE
        self._state_transitions = {
            RigoViewStates.BROWSER_VIEW_STATE: (self._enter_browser_state,
                                                self._exit_browser_state),
            RigoViewStates.STATIC_VIEW_STATE: (self._enter_static_state,
                                               self._exit_static_state),
            RigoViewStates.APPLICATION_VIEW_STATE:
            (self._enter_application_state, self._exit_application_state),
            RigoViewStates.WORK_VIEW_STATE: (self._enter_work_state,
                                             self._exit_work_state),
            RigoViewStates.CONFUPDATES_VIEW_STATE:
            (self._enter_confupdates_state, self._exit_confupdates_state),
            RigoViewStates.NOTICEBOARD_VIEW_STATE:
            (self._enter_noticeboard_state, self._exit_noticeboard_state),
            RigoViewStates.PREFERENCES_VIEW_STATE:
            (self._enter_preferences_state, self._exit_preferences_state),
            RigoViewStates.REPOSITORY_VIEW_STATE:
            (self._enter_repository_state, self._exit_repository_state),
            RigoViewStates.GROUPS_VIEW_STATE: (self._enter_groups_state,
                                               self._exit_groups_state)
        }
        self._state_metadata = {
            RigoViewStates.BROWSER_VIEW_STATE: {
                "title": _("Search"),
            },
            RigoViewStates.STATIC_VIEW_STATE: {
                "title": _("Rigo Application Browser"),
            },
            RigoViewStates.APPLICATION_VIEW_STATE: {
                "title": _("Application"),
            },
            RigoViewStates.WORK_VIEW_STATE: {
                "title": _("Working Hard"),
            },
            RigoViewStates.CONFUPDATES_VIEW_STATE: {
                "title": _("Wake Up"),
            },
            RigoViewStates.NOTICEBOARD_VIEW_STATE: {
                "title": _("Important Stuff"),
            },
            RigoViewStates.PREFERENCES_VIEW_STATE: {
                "title": _("Breaking Stuff"),
            },
            RigoViewStates.REPOSITORY_VIEW_STATE: {
                "title": _("Repository Stuff"),
            },
            RigoViewStates.GROUPS_VIEW_STATE: {
                "title": _("Application Groups"),
            },
        }
        self._state_mutex = Lock()

        icons = get_sc_icon_theme(DATA_DIR)

        self._activity_rwsem = ReadersWritersSemaphore()

        # This relies on the fact that the installed packages repository
        # is lazily loaded (thus, schema update code is).
        self._entropy = Client()
        self._entropy_ws = EntropyWebService(self._entropy)

        preload_task = ParallelTask(self._entropy_ws.preload)
        preload_task.name = "PreloadEntropyWebService"
        preload_task.daemon = True
        preload_task.start()

        self._service = RigoServiceController(self, self._activity_rwsem,
                                              self._entropy, self._entropy_ws)

        app_handler = Rigo.RigoHandler(self, self._service)

        self._builder = Gtk.Builder()
        self._builder.add_from_file(os.path.join(DATA_DIR, "ui/gtk3/rigo.ui"))
        self._builder.connect_signals(app_handler)
        self._window = self._builder.get_object("rigoWindow")
        self._window.set_name("rigo-view")
        self._apps_view = self._builder.get_object("appsViewVbox")
        self._scrolled_view = self._builder.get_object(
            "appsViewScrolledWindow")
        self._app_view = self._builder.get_object("appViewScrollWin")
        self._app_view.set_name("rigo-view")
        self._app_view_port = self._builder.get_object("appViewVport")
        self._app_view_port.set_name("rigo-view")
        self._not_found_box = self._builder.get_object("appsViewNotFoundVbox")

        self._config_scrolled_view = self._builder.get_object(
            "configViewScrolledWindow")
        self._config_view = self._builder.get_object("configViewVbox")
        self._config_view.set_name("rigo-view")

        self._repo_scrolled_view = self._builder.get_object(
            "repoViewScrolledWindow")
        self._repo_view = self._builder.get_object("repoViewVbox")
        self._repo_view.set_name("rigo-view")

        self._notice_scrolled_view = self._builder.get_object(
            "noticeViewScrolledWindow")
        self._notice_view = self._builder.get_object("noticeViewVbox")
        self._notice_view.set_name("rigo-view")

        self._pref_scrolled_view = self._builder.get_object(
            "preferencesViewScrolledWindow")
        self._pref_view = self._builder.get_object("preferencesViewVbox")
        self._pref_view.set_name("rigo-view")

        self._group_scrolled_view = self._builder.get_object(
            "groupViewScrolledWindow")
        self._group_view = self._builder.get_object("groupViewVbox")
        self._group_view.set_name("rigo-view")

        self._search_entry = self._builder.get_object("searchEntry")
        self._search_entry_completion = self._builder.get_object(
            "searchEntryCompletion")
        self._search_entry_store = self._builder.get_object("searchEntryStore")
        self._static_view = self._builder.get_object("staticViewVbox")
        self._notification = self._builder.get_object("notificationBox")
        self._bottom_notification = \
            self._builder.get_object("bottomNotificationBox")
        self._work_view = self._builder.get_object("workViewVbox")
        self._work_view.set_name("rigo-view")

        self._pref_button = self._builder.get_object("prefButton")

        def _pref_button_activate(widget):
            self._change_view_state(RigoViewStates.PREFERENCES_VIEW_STATE)

        self._pref_button.connect("clicked", _pref_button_activate)

        # Preferences model, view and controller
        self._pref_store = PreferencesListStore()
        self._view_pref = PreferencesTreeView(icons,
                                              PreferencesListStore.ICON_SIZE)
        self._pref_scrolled_view.add(self._view_pref)

        def _pref_queue_draw(*args):
            self._view_pref.queue_draw()

        self._pref_store.connect("redraw-request", _pref_queue_draw)
        self._pref_view_c = PreferenceViewController(self._pref_store,
                                                     self._view_pref)

        self._app_view_c = ApplicationViewController(self._entropy,
                                                     self._entropy_ws,
                                                     self._pref_view_c,
                                                     self._service,
                                                     self._builder)

        self._view = AppTreeView(self._entropy,
                                 self._service,
                                 self._app_view_c,
                                 icons,
                                 True,
                                 AppListStore.ICON_SIZE,
                                 store=None)
        self._scrolled_view.add(self._view)
        self._view.set_scrolled_view(self._scrolled_view)

        self._app_store = AppListStore(self._entropy, self._entropy_ws,
                                       self._service, self._view, icons)

        def _queue_draw(*args):
            self._view.queue_draw()

        self._app_store.connect("redraw-request", _queue_draw)

        self._app_view_c.set_store(self._app_store)
        self._app_view_c.connect("application-show", self._on_application_show)

        # Configuration file updates model, view and controller
        self._config_store = ConfigUpdatesListStore()
        self._view_config = ConfigUpdatesTreeView(
            icons, ConfigUpdatesListStore.ICON_SIZE)
        self._config_scrolled_view.add(self._view_config)

        def _config_queue_draw(*args):
            self._view_config.queue_draw()

        self._config_store.connect("redraw-request", _config_queue_draw)
        self._config_view_c = ConfigUpdatesViewController(
            self._entropy, self._config_store, self._view_config)
        self._config_view_c.connect("view-cleared", self._on_view_cleared)

        self._service.set_configuration_controller(self._config_view_c)

        # Repository model, view and controller
        self._repo_store = RepositoryListStore()
        self._view_repo = RepositoryTreeView(icons,
                                             RepositoryListStore.ICON_SIZE)
        self._repo_scrolled_view.add(self._view_repo)

        def _repo_queue_draw(*args):
            self._view_repo.queue_draw()

        self._repo_store.connect("redraw-request", _repo_queue_draw)
        self._repo_view_c = RepositoryViewController(self._pref_view_c,
                                                     self._service,
                                                     self._repo_store,
                                                     self._view_repo)

        # NoticeBoard model, view and controller
        self._notice_store = NoticeBoardListStore()
        self._view_notice = NoticeBoardTreeView(icons,
                                                NoticeBoardListStore.ICON_SIZE)
        self._notice_scrolled_view.add(self._view_notice)

        def _notice_queue_draw(*args):
            self._view_notice.queue_draw()

        self._notice_store.connect("redraw-request", _notice_queue_draw)
        self._notice_view_c = NoticeBoardViewController(
            self._notice_store, self._view_notice)

        self._service.set_noticeboard_controller(self._notice_view_c)

        # Group model, view and controller
        self._group_store = GroupListStore()
        self._view_group = GroupTreeView(icons, GroupListStore.ICON_SIZE)
        self._group_scrolled_view.add(self._view_group)

        def _group_queue_draw(*args):
            self._view_group.queue_draw()

        self._group_store.connect("redraw-request", _group_queue_draw)
        self._group_view_c = GroupViewController(self._service,
                                                 self._group_store,
                                                 self._view_group,
                                                 self._pref_view_c)

        self._welcome_box = WelcomeBox()

        settings = Gtk.Settings.get_default()
        settings.set_property("gtk-error-bell", False)
        # wire up the css provider to reconfigure on theme-changes
        self._window.connect("style-updated", self._on_style_updated,
                             init_sc_css_provider, settings,
                             Gdk.Screen.get_default(), DATA_DIR)

        # Force the initialization of the css provider asap.
        # This fixes a glitch with GTK 3.10
        init_sc_css_provider(self._window, settings, Gdk.Screen.get_default(),
                             DATA_DIR)

        self._nc = UpperNotificationViewController(self._entropy,
                                                   self._entropy_ws,
                                                   self._notification)
        # Bottom NotificationBox controller.
        # Bottom notifications are only used for
        # providing Activity control to User during
        # the Activity itself.
        self._bottom_nc = BottomNotificationViewController(
            self._window, self._bottom_notification, self._pref_button)

        self._avc = ApplicationsViewController(
            self._activity_rwsem, self._entropy, self._entropy_ws, self._nc,
            self._bottom_nc, self._service, self._pref_view_c, icons,
            self._not_found_box, self._search_entry,
            self._search_entry_completion, self._search_entry_store,
            self._app_store, self._view)

        self._avc.connect("view-cleared", self._on_view_cleared)
        self._avc.connect("view-filled", self._on_view_filled)
        self._avc.connect("view-want-change", self._on_view_change)

        self._service.set_bottom_notification_controller(self._bottom_nc)

        self._app_view_c.set_notification_controller(self._nc)
        self._app_view_c.set_applications_controller(self._avc)

        self._config_view_c.set_notification_controller(self._nc)
        self._config_view_c.set_applications_controller(self._avc)

        self._repo_view_c.set_notification_controller(self._nc)
        self._repo_view_c.set_applications_controller(self._avc)

        self._notice_view_c.set_notification_controller(self._nc)
        self._notice_view_c.set_applications_controller(self._avc)

        self._group_view_c.set_applications_controller(self._avc)

        self._service.set_applications_controller(self._avc)
        self._service.set_application_controller(self._app_view_c)
        self._service.set_notification_controller(self._nc)

        self._service.connect("start-working", self._on_start_working)
        self._service.connect("repositories-updated", self._on_repo_updated)
        self._service.connect("applications-managed",
                              self._on_applications_managed)

        self._work_view_c = WorkViewController(icons, self._service,
                                               self._work_view)
        self._service.set_work_controller(self._work_view_c)

        self._bottom_nc.connect("show-work-view", self._on_show_work_view)
        self._bottom_nc.connect("work-interrupt", self._on_work_interrupt)

    def is_ui_locked(self):
        """
        Return whether the UI is currently locked.
        """
        return self._current_state_lock

    def _thread_dumper(self):
        """
        If --dumper is in argv, a recurring thread dump
        function will be spawned every 30 seconds.
        """
        dumper_enable = self._nsargs.dumper
        if dumper_enable:
            task = None

            def _dumper():
                def _dump():
                    task.kill()
                    dump_signal(None, None)

                timer = Timer(10.0, _dump)
                timer.name = "MainThreadHearthbeatCheck"
                timer.daemon = True
                timer.start()
                GLib.idle_add(timer.cancel)

            task = TimeScheduled(5.0, _dumper)
            task.name = "ThreadDumper"
            task.daemon = True
            task.start()

    def _on_start_working(self, widget, state, lock):
        """
        Emitted by RigoServiceController when we're asked to
        switch to the Work View and, if lock = True, lock UI.
        """
        if lock:
            self._search_entry.set_sensitive(False)
        if state is not None:
            self._change_view_state(state, lock=lock)

    def _on_work_interrupt(self, widget):
        """
        We've been explicitly asked to interrupt the currently
        ongoing work
        """
        rc = self._show_yesno_dialog(
            self._window, escape_markup(_("Activity Interruption")),
            escape_markup(
                _("Are you sure you want to interrupt"
                  " the ongoing Activity? The interruption will"
                  " occur as soon as possible, potentially not"
                  " immediately.")))
        if rc == Gtk.ResponseType.NO:
            return
        self._service.interrupt_activity()

    def _on_show_work_view(self, widget):
        """
        We've been explicitly asked to switch to WORK_VIEW_STATE
        """
        self._change_view_state(RigoViewStates.WORK_VIEW_STATE,
                                _ignore_lock=True)

    def _on_repo_updated(self, widget, result, message):
        """
        Emitted by RigoServiceController telling us that
        repositories have been updated.
        """
        with self._state_mutex:
            self._current_state_lock = False
        self._search_entry.set_sensitive(True)
        if result != 0:
            msg = "<b>%s</b>: %s" % (
                _("Repositories update error"),
                message,
            )
            message_type = Gtk.MessageType.ERROR
        else:
            msg = _("Repositories updated <b>successfully</b>!")
            message_type = Gtk.MessageType.INFO

        box = NotificationBox(
            msg,
            message_type=message_type,
            context_id=RigoServiceController.NOTIFICATION_CONTEXT_ID)
        box.add_destroy_button(_("Ok, thanks"))
        self._nc.append(box)

    def _on_applications_managed(self, widget, success, local_activity):
        """
        Emitted by RigoServiceController telling us that
        enqueue application actions have been completed.
        """
        msg = "N/A"
        if not success:
            if local_activity == LocalActivityStates.MANAGING_APPLICATIONS:
                msg = "<b>%s</b>: %s" % (
                    _("Application Management Error"),
                    _("please check the management log"),
                )
            elif local_activity == LocalActivityStates.UPGRADING_SYSTEM:
                msg = "<b>%s</b>: %s" % (
                    _("System Upgrade Error"),
                    _("please check the upgrade log"),
                )
            message_type = Gtk.MessageType.ERROR
        else:
            if local_activity == LocalActivityStates.MANAGING_APPLICATIONS:
                msg = _("Applications managed <b>successfully</b>!")
            elif local_activity == LocalActivityStates.UPGRADING_SYSTEM:
                msg = _("System Upgraded <b>successfully</b>!")
            message_type = Gtk.MessageType.INFO

        box = NotificationBox(
            msg,
            message_type=message_type,
            context_id=RigoServiceController.NOTIFICATION_CONTEXT_ID)
        box.add_destroy_button(_("Ok, thanks"))
        box.add_button(_("Show me"), self._on_show_work_view)
        self._nc.append(box)
        self._work_view_c.deactivate_app_box()

    def _on_view_cleared(self, *args):
        self._change_view_state(RigoViewStates.STATIC_VIEW_STATE)

    def _on_view_filled(self, *args):
        self._change_view_state(RigoViewStates.BROWSER_VIEW_STATE)

    def _on_view_change(self, widget, state, payload):
        self._change_view_state(state, payload=payload)

    def _on_application_show(self, *args):
        self._change_view_state(RigoViewStates.APPLICATION_VIEW_STATE)

    def _exit_browser_state(self):
        """
        Action triggered when UI exits the Application Browser
        state (or mode).
        """
        self._avc.deselect()
        self._apps_view.hide()

    def _enter_browser_state(self):
        """
        Action triggered when UI exits the Application Browser
        state (or mode).
        """
        self._apps_view.show()

    def _exit_confupdates_state(self):
        """
        Action triggered when UI exits the Configuration Updates
        state (or mode).
        """
        self._config_view.hide()

    def _enter_confupdates_state(self):
        """
        Action triggered when UI enters the Configuration Updates
        state (or mode).
        """
        self._config_view.show()

    def _exit_noticeboard_state(self):
        """
        Action triggered when UI exits the NoticeBoard
        state (or mode).
        """
        self._notice_view.hide()

    def _enter_noticeboard_state(self):
        """
        Action triggered when UI enters the NoticeBoard
        state (or mode).
        """
        self._notice_view.show()

    def _exit_repository_state(self):
        """
        Action triggered when UI exits the Repository
        Management state (or mode).
        """
        self._repo_view.hide()
        self._repo_view_c.clear()

    def _enter_repository_state(self):
        """
        Action triggered when UI enters the Repository
        Management state (or mode).
        """
        self._repo_view_c.load()
        self._repo_view.show()

    def _exit_preferences_state(self):
        """
        Action triggered when UI exits the Preferences
        state (or mode).
        """
        self._pref_view.hide()

    def _enter_preferences_state(self):
        """
        Action triggered when UI enters the Preferences
        state (or mode).
        """
        self._pref_view.show()

    def _exit_groups_state(self):
        """
        Action triggered when UI exits the Groups
        state (or mode).
        """
        self._group_view.hide()

    def _enter_groups_state(self):
        """
        Action triggered when UI enters the Groups
        state (or mode).
        """
        self._group_view_c.load()
        self._group_view.show()

    def _exit_static_state(self):
        """
        Action triggered when UI exits the Static Browser
        state (or mode). AKA the Welcome Box.
        """
        self._static_view.hide()
        # release all the childrens of static_view
        for child in self._static_view.get_children():
            self._static_view.remove(child)

    def _enter_static_state(self):
        """
        Action triggered when UI exits the Static Browser
        state (or mode). AKA the Welcome Box.
        """
        # keep the current widget if any, or add the
        # welcome widget
        if not self._static_view.get_children():
            self._welcome_box.show()
            self._static_view.pack_start(self._welcome_box, True, True, 10)
        self._static_view.show()

    def _enter_application_state(self):
        """
        Action triggered when UI enters the Package Information
        state (or mode). Showing application information.
        """
        # change search_entry first icon to emphasize the
        # back action
        self._search_entry.set_icon_from_stock(Gtk.EntryIconPosition.PRIMARY,
                                               "gtk-go-back")
        self._app_view.show()

    def _exit_application_state(self):
        """
        Action triggered when UI exits the Package Information
        state (or mode). Hiding back application information.
        """
        self._search_entry.set_icon_from_stock(Gtk.EntryIconPosition.PRIMARY,
                                               "gtk-find")
        self._app_view.hide()
        self._app_view_c.hide()

    def _enter_work_state(self):
        """
        Action triggered when UI enters the Work View state (or mode).
        Either for Updating Repositories or Installing new Apps.
        """
        self._work_view.show()

    def _exit_work_state(self):
        """
        Action triggered when UI exits the Work View state (or mode).
        """
        self._work_view.hide()

    def _change_view_state(self,
                           state,
                           lock=False,
                           _ignore_lock=False,
                           payload=None):
        """
        Change Rigo Application UI state.
        You can pass a custom widget that will be shown in case
        of static view state.
        """
        with self._state_mutex:
            if self._current_state_lock and not _ignore_lock:
                const_debug_write(__name__,
                                  "cannot change view state, UI locked")
                return False
            txc = self._state_transitions.get(state)
            if txc is None:
                raise AttributeError("wrong view state")
            enter_st, exit_st = txc

            current_enter_st, current_exit_st = \
                self._state_transitions.get(
                    self._current_state)
            # exit from current state
            current_exit_st()
            # enter the new state
            enter_st()
            self._current_state = state
            if lock:
                self._current_state_lock = True

            state_meta = self._state_metadata[state]
            self._window.set_title(escape_markup(state_meta["title"]))

            return True

    def _change_view_state_safe(self, state):
        """
        Thread-safe version of change_view_state().
        """
        def _do_change():
            return self._change_view_state(state)

        GLib.idle_add(_do_change)

    def _on_style_updated(self, widget, init_css_callback, *args):
        """
        Gtk Style callback, nothing to see here.
        """
        init_css_callback(widget, *args)

    def _show_ok_dialog(self, parent, title, message):
        """
        Show ugly OK dialog window.
        """
        dlg = Gtk.MessageDialog(parent=parent,
                                type=Gtk.MessageType.INFO,
                                buttons=Gtk.ButtonsType.OK)
        dlg.set_markup(message)
        dlg.set_title(title)
        dlg.run()
        dlg.destroy()

    def _show_yesno_dialog(self, parent, title, message):
        """
        Show ugly Yes/No dialog window.
        """
        dlg = Gtk.MessageDialog(parent=parent,
                                type=Gtk.MessageType.INFO,
                                buttons=Gtk.ButtonsType.YES_NO)
        dlg.set_markup(message)
        dlg.set_title(title)
        rc = dlg.run()
        dlg.destroy()
        return rc

    def _permissions_setup(self):
        """
        Check execution privileges and spawn the Rigo UI.
        """
        if not entropy.tools.is_user_in_entropy_group():
            # otherwise the lock handling would potentially
            # fail.
            self._show_ok_dialog(
                None, escape_markup(_("Not authorized")),
                escape_markup(_("You are not authorized to run Rigo")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        if not self._service.service_available():
            self._show_ok_dialog(
                None, escape_markup(_("Rigo")),
                escape_markup(_("RigoDaemon service is not available")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        supported_apis = self._service.supported_apis()
        daemon_api = self._service.api()
        if daemon_api not in supported_apis:
            self._show_ok_dialog(
                None, escape_markup(_("Rigo")),
                escape_markup(
                    _("API mismatch, please update Rigo and RigoDaemon")))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        lock = EntropyResourcesLock(output=self._entropy)
        # always execute this from the MainThread, since the lock uses TLS
        acquired = lock.try_acquire_shared()
        is_exclusive = False
        if not acquired:
            # check whether RigoDaemon is running in excluive mode
            # and ignore non-atomicity here (failing with error
            # is acceptable)
            if not self._service.exclusive():
                self._show_ok_dialog(
                    None, escape_markup(_("Rigo")),
                    escape_markup(_("Another Application Manager is active")))
                entropy.tools.kill_threads()
                Gtk.main_quit()
                return
            is_exclusive = True
            # otherwise we can go ahead and handle our state later

        # check RigoDaemon, don't worry about races between Rigo Clients
        # it is fine to have multiple Rigo Clients connected. Mutual
        # exclusion is handled via Entropy Resources Lock (which is a file
        # based rwsem).
        activity = self._service.activity()
        if activity != DaemonActivityStates.AVAILABLE:
            msg = ""
            show_dialog = True

            if activity == DaemonActivityStates.NOT_AVAILABLE:
                msg = _("Background Service is currently not available")

            elif activity == DaemonActivityStates.UPDATING_REPOSITORIES:
                show_dialog = False
                task = ParallelTask(self._service._update_repositories, [],
                                    False,
                                    master=False)
                task.daemon = True
                task.name = "UpdateRepositoriesUnlocked"
                task.start()

            elif activity == DaemonActivityStates.MANAGING_APPLICATIONS:
                show_dialog = False
                task = ParallelTask(self._service._application_request,
                                    None,
                                    None,
                                    master=False)
                task.daemon = True
                task.name = "ApplicationRequestUnlocked"
                task.start()

            elif activity == DaemonActivityStates.UPGRADING_SYSTEM:
                show_dialog = False
                task = ParallelTask(self._service._upgrade_system,
                                    False,
                                    master=False)
                task.daemon = True
                task.name = "UpgradeSystemUnlocked"
                task.start()

            elif activity == DaemonActivityStates.INTERNAL_ROUTINES:
                msg = _("Background Service is currently busy")
            else:
                msg = _("Background Service is incompatible with Rigo")

            if show_dialog:
                self._show_ok_dialog(None, escape_markup(_("Rigo")),
                                     escape_markup(msg))
                entropy.tools.kill_threads()
                Gtk.main_quit()
                return

        elif is_exclusive:
            msg = _("Background Service is currently unavailable")
            # no lock acquired, cannot continue the initialization
            self._show_ok_dialog(None, escape_markup(_("Rigo")),
                                 escape_markup(msg))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        parser = argparse.ArgumentParser(
            description=_("Rigo Application Browser"))
        parser.add_argument("package",
                            nargs='?',
                            type=file,
                            metavar="<path>",
                            help="package path")
        parser.add_argument("--install",
                            metavar="<dep string>",
                            help="install given dependency")
        parser.add_argument("--remove",
                            metavar="<dep string>",
                            help="remove given dependency")
        parser.add_argument("--upgrade",
                            help="upgrade the system",
                            action="store_true",
                            default=False)
        parser.add_argument("--dumper",
                            help="enable the main thread dumper (debug)",
                            action="store_true",
                            default=False)
        parser.add_argument("--debug",
                            help="enable Entropy Library debug mode",
                            action="store_true",
                            default=False)
        try:
            self._nsargs = parser.parse_args(sys.argv[1:])
        except IOError as err:
            self._show_ok_dialog(None, escape_markup(_("Rigo")),
                                 escape_markup("%s" % (err, )))
            entropy.tools.kill_threads()
            Gtk.main_quit()
            return

        self._thread_dumper()
        self._pref_view_c.setup()
        self._group_view_c.setup()
        self._config_view_c.setup()
        self._repo_view_c.setup()
        self._notice_view_c.setup()
        self._app_view_c.setup()
        self._avc.setup()
        self._nc.setup()
        self._work_view_c.setup()
        self._service.setup(acquired)
        self._easter_eggs()
        self._window.show()
        managing = self._start_managing()
        if not managing:
            self._change_view_state(RigoViewStates.GROUPS_VIEW_STATE)
            self._service.hello()

    def _easter_eggs(self):
        """
        Moo!
        """
        msg = None
        if entropy.tools.is_st_valentine():
            msg = escape_markup(_("Happy St. Valentine <3 <3 !"))
        elif entropy.tools.is_xmas():
            msg = escape_markup(_("Merry Xmas \o/ !"))
        elif entropy.tools.is_author_bday():
            msg = escape_markup(_("Happy birthday to my authoooooor!"))
        elif entropy.tools.is_april_first():
            msg = escape_markup(_("<=|=< (this is optimistically a fish)"))
        if msg is not None:
            box = NotificationBox(msg,
                                  message_type=Gtk.MessageType.INFO,
                                  context_id="EasterEggs")
            box.add_destroy_button(_("Woot, thanks"))
            self._nc.append(box)

    def _start_managing(self):
        """
        Start managing applications passed via argv.
        """
        managing = False

        if self._nsargs.install:
            dependency = self._nsargs.install
            task = ParallelTask(self._avc.install, dependency)
            task.name = "AppInstall-%s" % (dependency, )
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.remove:
            dependency = self._nsargs.remove
            task = ParallelTask(self._avc.remove, dependency)
            task.name = "AppRemove-%s" % (dependency, )
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.package:
            path = self._nsargs.package.name
            self._nsargs.package.close()  # no need, unfortunately
            task = ParallelTask(self._avc.install_package, path)
            task.name = "AppInstallPackage-%s" % (path, )
            task.daemon = True
            task.start()
            managing = True

        if self._nsargs.upgrade:
            task = ParallelTask(self._avc.upgrade)
            task.name = "SystemUpgrade"
            task.daemon = True
            task.start()
            managing = True

        return managing

    def run(self):
        """
        Run Rigo ;-)
        """
        self._welcome_box.render()
        self._change_view_state(self._current_state)
        GLib.idle_add(self._permissions_setup)

        Gtk.main()
        entropy.tools.kill_threads()
Exemplo n.º 3
0
    def __init__(self):
        self._current_state_lock = False
        self._current_state = RigoViewStates.STATIC_VIEW_STATE
        self._state_transitions = {
            RigoViewStates.BROWSER_VIEW_STATE: (
                self._enter_browser_state,
                self._exit_browser_state),
            RigoViewStates.STATIC_VIEW_STATE: (
                self._enter_static_state,
                self._exit_static_state),
            RigoViewStates.APPLICATION_VIEW_STATE: (
                self._enter_application_state,
                self._exit_application_state),
            RigoViewStates.WORK_VIEW_STATE: (
                self._enter_work_state,
                self._exit_work_state),
            RigoViewStates.CONFUPDATES_VIEW_STATE: (
                self._enter_confupdates_state,
                self._exit_confupdates_state),
            RigoViewStates.NOTICEBOARD_VIEW_STATE: (
                self._enter_noticeboard_state,
                self._exit_noticeboard_state),
            RigoViewStates.PREFERENCES_VIEW_STATE: (
                self._enter_preferences_state,
                self._exit_preferences_state),
            RigoViewStates.REPOSITORY_VIEW_STATE: (
                self._enter_repository_state,
                self._exit_repository_state),
            RigoViewStates.GROUPS_VIEW_STATE: (
                self._enter_groups_state,
                self._exit_groups_state)
        }
        self._state_metadata = {
            RigoViewStates.BROWSER_VIEW_STATE: {
                "title": _("Search"),
                },
            RigoViewStates.STATIC_VIEW_STATE: {
                "title": _("Rigo Application Browser"),
                },
            RigoViewStates.APPLICATION_VIEW_STATE: {
                "title": _("Application"),
                },
            RigoViewStates.WORK_VIEW_STATE: {
                "title": _("Working Hard"),
                },
            RigoViewStates.CONFUPDATES_VIEW_STATE: {
                "title": _("Wake Up"),
                },
            RigoViewStates.NOTICEBOARD_VIEW_STATE: {
                "title": _("Important Stuff"),
                },
            RigoViewStates.PREFERENCES_VIEW_STATE: {
                "title": _("Breaking Stuff"),
                },
            RigoViewStates.REPOSITORY_VIEW_STATE: {
                "title": _("Repository Stuff"),
                },
            RigoViewStates.GROUPS_VIEW_STATE: {
                "title": _("Application Groups"),
                },
        }
        self._state_mutex = Lock()

        icons = get_sc_icon_theme(DATA_DIR)

        self._activity_rwsem = ReadersWritersSemaphore()

        # This relies on the fact that the installed packages repository
        # is lazily loaded (thus, schema update code is).
        self._entropy = Client()
        self._entropy_ws = EntropyWebService(self._entropy)

        preload_task = ParallelTask(self._entropy_ws.preload)
        preload_task.name = "PreloadEntropyWebService"
        preload_task.daemon = True
        preload_task.start()

        self._service = RigoServiceController(
            self, self._activity_rwsem,
            self._entropy, self._entropy_ws)

        app_handler = Rigo.RigoHandler(self, self._service)

        self._builder = Gtk.Builder()
        self._builder.add_from_file(os.path.join(DATA_DIR, "ui/gtk3/rigo.ui"))
        self._builder.connect_signals(app_handler)
        self._window = self._builder.get_object("rigoWindow")
        self._window.set_name("rigo-view")
        self._apps_view = self._builder.get_object("appsViewVbox")
        self._scrolled_view = self._builder.get_object("appsViewScrolledWindow")
        self._app_view = self._builder.get_object("appViewScrollWin")
        self._app_view.set_name("rigo-view")
        self._app_view_port = self._builder.get_object("appViewVport")
        self._app_view_port.set_name("rigo-view")
        self._not_found_box = self._builder.get_object("appsViewNotFoundVbox")

        self._config_scrolled_view = self._builder.get_object(
            "configViewScrolledWindow")
        self._config_view = self._builder.get_object("configViewVbox")
        self._config_view.set_name("rigo-view")

        self._repo_scrolled_view = self._builder.get_object(
            "repoViewScrolledWindow")
        self._repo_view = self._builder.get_object("repoViewVbox")
        self._repo_view.set_name("rigo-view")

        self._notice_scrolled_view = self._builder.get_object(
            "noticeViewScrolledWindow")
        self._notice_view = self._builder.get_object("noticeViewVbox")
        self._notice_view.set_name("rigo-view")

        self._pref_scrolled_view = self._builder.get_object(
            "preferencesViewScrolledWindow")
        self._pref_view = self._builder.get_object("preferencesViewVbox")
        self._pref_view.set_name("rigo-view")

        self._group_scrolled_view = self._builder.get_object(
            "groupViewScrolledWindow")
        self._group_view = self._builder.get_object("groupViewVbox")
        self._group_view.set_name("rigo-view")

        self._search_entry = self._builder.get_object("searchEntry")
        self._search_entry_completion = self._builder.get_object(
            "searchEntryCompletion")
        self._search_entry_store = self._builder.get_object(
            "searchEntryStore")
        self._static_view = self._builder.get_object("staticViewVbox")
        self._notification = self._builder.get_object("notificationBox")
        self._bottom_notification = \
            self._builder.get_object("bottomNotificationBox")
        self._work_view = self._builder.get_object("workViewVbox")
        self._work_view.set_name("rigo-view")

        self._pref_button = self._builder.get_object(
            "prefButton")
        def _pref_button_activate(widget):
            self._change_view_state(
                RigoViewStates.PREFERENCES_VIEW_STATE)
        self._pref_button.connect(
            "clicked", _pref_button_activate)

        # Preferences model, view and controller
        self._pref_store = PreferencesListStore()
        self._view_pref = PreferencesTreeView(
            icons, PreferencesListStore.ICON_SIZE)
        self._pref_scrolled_view.add(self._view_pref)
        def _pref_queue_draw(*args):
            self._view_pref.queue_draw()
        self._pref_store.connect("redraw-request", _pref_queue_draw)
        self._pref_view_c = PreferenceViewController(
            self._pref_store, self._view_pref)

        self._app_view_c = ApplicationViewController(
            self._entropy, self._entropy_ws, self._pref_view_c,
            self._service, self._builder)

        self._view = AppTreeView(
            self._entropy, self._service, self._app_view_c, icons,
            True, AppListStore.ICON_SIZE, store=None)
        self._scrolled_view.add(self._view)
        self._view.set_scrolled_view(self._scrolled_view)

        self._app_store = AppListStore(
            self._entropy, self._entropy_ws,
            self._service, self._view, icons)
        def _queue_draw(*args):
            self._view.queue_draw()
        self._app_store.connect("redraw-request", _queue_draw)

        self._app_view_c.set_store(self._app_store)
        self._app_view_c.connect("application-show",
            self._on_application_show)

        # Configuration file updates model, view and controller
        self._config_store = ConfigUpdatesListStore()
        self._view_config = ConfigUpdatesTreeView(
            icons, ConfigUpdatesListStore.ICON_SIZE)
        self._config_scrolled_view.add(self._view_config)
        def _config_queue_draw(*args):
            self._view_config.queue_draw()
        self._config_store.connect("redraw-request", _config_queue_draw)
        self._config_view_c = ConfigUpdatesViewController(
            self._entropy, self._config_store, self._view_config)
        self._config_view_c.connect(
            "view-cleared", self._on_view_cleared)

        self._service.set_configuration_controller(self._config_view_c)

        # Repository model, view and controller
        self._repo_store = RepositoryListStore()
        self._view_repo = RepositoryTreeView(
            icons, RepositoryListStore.ICON_SIZE)
        self._repo_scrolled_view.add(self._view_repo)
        def _repo_queue_draw(*args):
            self._view_repo.queue_draw()
        self._repo_store.connect("redraw-request", _repo_queue_draw)
        self._repo_view_c = RepositoryViewController(
            self._pref_view_c, self._service, self._repo_store,
            self._view_repo)

        # NoticeBoard model, view and controller
        self._notice_store = NoticeBoardListStore()
        self._view_notice = NoticeBoardTreeView(
            icons, NoticeBoardListStore.ICON_SIZE)
        self._notice_scrolled_view.add(self._view_notice)
        def _notice_queue_draw(*args):
            self._view_notice.queue_draw()
        self._notice_store.connect("redraw-request", _notice_queue_draw)
        self._notice_view_c = NoticeBoardViewController(
            self._notice_store, self._view_notice)

        self._service.set_noticeboard_controller(self._notice_view_c)

        # Group model, view and controller
        self._group_store = GroupListStore()
        self._view_group = GroupTreeView(
            icons, GroupListStore.ICON_SIZE)
        self._group_scrolled_view.add(self._view_group)
        def _group_queue_draw(*args):
            self._view_group.queue_draw()
        self._group_store.connect("redraw-request", _group_queue_draw)
        self._group_view_c = GroupViewController(
            self._service, self._group_store,
            self._view_group, self._pref_view_c)

        self._welcome_box = WelcomeBox()

        settings = Gtk.Settings.get_default()
        settings.set_property("gtk-error-bell", False)
        # wire up the css provider to reconfigure on theme-changes
        self._window.connect("style-updated",
                                 self._on_style_updated,
                                 init_sc_css_provider,
                                 settings,
                                 Gdk.Screen.get_default(),
                                 DATA_DIR)

        # Force the initialization of the css provider asap.
        # This fixes a glitch with GTK 3.10
        init_sc_css_provider(
            self._window,
            settings,
            Gdk.Screen.get_default(),
            DATA_DIR)

        self._nc = UpperNotificationViewController(
            self._entropy, self._entropy_ws, self._notification)
        # Bottom NotificationBox controller.
        # Bottom notifications are only used for
        # providing Activity control to User during
        # the Activity itself.
        self._bottom_nc = BottomNotificationViewController(
            self._window, self._bottom_notification,
            self._pref_button)

        self._avc = ApplicationsViewController(
            self._activity_rwsem,
            self._entropy, self._entropy_ws,
            self._nc, self._bottom_nc, self._service,
            self._pref_view_c, icons, self._not_found_box,
            self._search_entry, self._search_entry_completion,
            self._search_entry_store, self._app_store, self._view)

        self._avc.connect("view-cleared", self._on_view_cleared)
        self._avc.connect("view-filled", self._on_view_filled)
        self._avc.connect("view-want-change", self._on_view_change)

        self._service.set_bottom_notification_controller(
            self._bottom_nc)

        self._app_view_c.set_notification_controller(self._nc)
        self._app_view_c.set_applications_controller(self._avc)

        self._config_view_c.set_notification_controller(self._nc)
        self._config_view_c.set_applications_controller(self._avc)

        self._repo_view_c.set_notification_controller(self._nc)
        self._repo_view_c.set_applications_controller(self._avc)

        self._notice_view_c.set_notification_controller(self._nc)
        self._notice_view_c.set_applications_controller(self._avc)

        self._group_view_c.set_applications_controller(self._avc)

        self._service.set_applications_controller(self._avc)
        self._service.set_application_controller(self._app_view_c)
        self._service.set_notification_controller(self._nc)

        self._service.connect("start-working", self._on_start_working)
        self._service.connect("repositories-updated",
                              self._on_repo_updated)
        self._service.connect("applications-managed",
                              self._on_applications_managed)

        self._work_view_c = WorkViewController(
            icons, self._service, self._work_view)
        self._service.set_work_controller(self._work_view_c)

        self._bottom_nc.connect("show-work-view", self._on_show_work_view)
        self._bottom_nc.connect("work-interrupt", self._on_work_interrupt)
Exemplo n.º 4
0
    def __init__(self):
        self._current_state_lock = False
        self._current_state = RigoViewStates.STATIC_VIEW_STATE
        self._state_transitions = {
            RigoViewStates.BROWSER_VIEW_STATE: (self._enter_browser_state,
                                                self._exit_browser_state),
            RigoViewStates.STATIC_VIEW_STATE: (self._enter_static_state,
                                               self._exit_static_state),
            RigoViewStates.APPLICATION_VIEW_STATE:
            (self._enter_application_state, self._exit_application_state),
            RigoViewStates.WORK_VIEW_STATE: (self._enter_work_state,
                                             self._exit_work_state),
            RigoViewStates.CONFUPDATES_VIEW_STATE:
            (self._enter_confupdates_state, self._exit_confupdates_state),
            RigoViewStates.NOTICEBOARD_VIEW_STATE:
            (self._enter_noticeboard_state, self._exit_noticeboard_state),
            RigoViewStates.PREFERENCES_VIEW_STATE:
            (self._enter_preferences_state, self._exit_preferences_state),
            RigoViewStates.REPOSITORY_VIEW_STATE:
            (self._enter_repository_state, self._exit_repository_state),
            RigoViewStates.GROUPS_VIEW_STATE: (self._enter_groups_state,
                                               self._exit_groups_state)
        }
        self._state_metadata = {
            RigoViewStates.BROWSER_VIEW_STATE: {
                "title": _("Search"),
            },
            RigoViewStates.STATIC_VIEW_STATE: {
                "title": _("Rigo Application Browser"),
            },
            RigoViewStates.APPLICATION_VIEW_STATE: {
                "title": _("Application"),
            },
            RigoViewStates.WORK_VIEW_STATE: {
                "title": _("Working Hard"),
            },
            RigoViewStates.CONFUPDATES_VIEW_STATE: {
                "title": _("Wake Up"),
            },
            RigoViewStates.NOTICEBOARD_VIEW_STATE: {
                "title": _("Important Stuff"),
            },
            RigoViewStates.PREFERENCES_VIEW_STATE: {
                "title": _("Breaking Stuff"),
            },
            RigoViewStates.REPOSITORY_VIEW_STATE: {
                "title": _("Repository Stuff"),
            },
            RigoViewStates.GROUPS_VIEW_STATE: {
                "title": _("Application Groups"),
            },
        }
        self._state_mutex = Lock()

        icons = get_sc_icon_theme(DATA_DIR)

        self._activity_rwsem = ReadersWritersSemaphore()

        # This relies on the fact that the installed packages repository
        # is lazily loaded (thus, schema update code is).
        self._entropy = Client()
        self._entropy_ws = EntropyWebService(self._entropy)

        preload_task = ParallelTask(self._entropy_ws.preload)
        preload_task.name = "PreloadEntropyWebService"
        preload_task.daemon = True
        preload_task.start()

        self._service = RigoServiceController(self, self._activity_rwsem,
                                              self._entropy, self._entropy_ws)

        app_handler = Rigo.RigoHandler(self, self._service)

        self._builder = Gtk.Builder()
        self._builder.add_from_file(os.path.join(DATA_DIR, "ui/gtk3/rigo.ui"))
        self._builder.connect_signals(app_handler)
        self._window = self._builder.get_object("rigoWindow")
        self._window.set_name("rigo-view")
        self._apps_view = self._builder.get_object("appsViewVbox")
        self._scrolled_view = self._builder.get_object(
            "appsViewScrolledWindow")
        self._app_view = self._builder.get_object("appViewScrollWin")
        self._app_view.set_name("rigo-view")
        self._app_view_port = self._builder.get_object("appViewVport")
        self._app_view_port.set_name("rigo-view")
        self._not_found_box = self._builder.get_object("appsViewNotFoundVbox")

        self._config_scrolled_view = self._builder.get_object(
            "configViewScrolledWindow")
        self._config_view = self._builder.get_object("configViewVbox")
        self._config_view.set_name("rigo-view")

        self._repo_scrolled_view = self._builder.get_object(
            "repoViewScrolledWindow")
        self._repo_view = self._builder.get_object("repoViewVbox")
        self._repo_view.set_name("rigo-view")

        self._notice_scrolled_view = self._builder.get_object(
            "noticeViewScrolledWindow")
        self._notice_view = self._builder.get_object("noticeViewVbox")
        self._notice_view.set_name("rigo-view")

        self._pref_scrolled_view = self._builder.get_object(
            "preferencesViewScrolledWindow")
        self._pref_view = self._builder.get_object("preferencesViewVbox")
        self._pref_view.set_name("rigo-view")

        self._group_scrolled_view = self._builder.get_object(
            "groupViewScrolledWindow")
        self._group_view = self._builder.get_object("groupViewVbox")
        self._group_view.set_name("rigo-view")

        self._search_entry = self._builder.get_object("searchEntry")
        self._search_entry_completion = self._builder.get_object(
            "searchEntryCompletion")
        self._search_entry_store = self._builder.get_object("searchEntryStore")
        self._static_view = self._builder.get_object("staticViewVbox")
        self._notification = self._builder.get_object("notificationBox")
        self._bottom_notification = \
            self._builder.get_object("bottomNotificationBox")
        self._work_view = self._builder.get_object("workViewVbox")
        self._work_view.set_name("rigo-view")

        self._pref_button = self._builder.get_object("prefButton")

        def _pref_button_activate(widget):
            self._change_view_state(RigoViewStates.PREFERENCES_VIEW_STATE)

        self._pref_button.connect("clicked", _pref_button_activate)

        # Preferences model, view and controller
        self._pref_store = PreferencesListStore()
        self._view_pref = PreferencesTreeView(icons,
                                              PreferencesListStore.ICON_SIZE)
        self._pref_scrolled_view.add(self._view_pref)

        def _pref_queue_draw(*args):
            self._view_pref.queue_draw()

        self._pref_store.connect("redraw-request", _pref_queue_draw)
        self._pref_view_c = PreferenceViewController(self._pref_store,
                                                     self._view_pref)

        self._app_view_c = ApplicationViewController(self._entropy,
                                                     self._entropy_ws,
                                                     self._pref_view_c,
                                                     self._service,
                                                     self._builder)

        self._view = AppTreeView(self._entropy,
                                 self._service,
                                 self._app_view_c,
                                 icons,
                                 True,
                                 AppListStore.ICON_SIZE,
                                 store=None)
        self._scrolled_view.add(self._view)
        self._view.set_scrolled_view(self._scrolled_view)

        self._app_store = AppListStore(self._entropy, self._entropy_ws,
                                       self._service, self._view, icons)

        def _queue_draw(*args):
            self._view.queue_draw()

        self._app_store.connect("redraw-request", _queue_draw)

        self._app_view_c.set_store(self._app_store)
        self._app_view_c.connect("application-show", self._on_application_show)

        # Configuration file updates model, view and controller
        self._config_store = ConfigUpdatesListStore()
        self._view_config = ConfigUpdatesTreeView(
            icons, ConfigUpdatesListStore.ICON_SIZE)
        self._config_scrolled_view.add(self._view_config)

        def _config_queue_draw(*args):
            self._view_config.queue_draw()

        self._config_store.connect("redraw-request", _config_queue_draw)
        self._config_view_c = ConfigUpdatesViewController(
            self._entropy, self._config_store, self._view_config)
        self._config_view_c.connect("view-cleared", self._on_view_cleared)

        self._service.set_configuration_controller(self._config_view_c)

        # Repository model, view and controller
        self._repo_store = RepositoryListStore()
        self._view_repo = RepositoryTreeView(icons,
                                             RepositoryListStore.ICON_SIZE)
        self._repo_scrolled_view.add(self._view_repo)

        def _repo_queue_draw(*args):
            self._view_repo.queue_draw()

        self._repo_store.connect("redraw-request", _repo_queue_draw)
        self._repo_view_c = RepositoryViewController(self._pref_view_c,
                                                     self._service,
                                                     self._repo_store,
                                                     self._view_repo)

        # NoticeBoard model, view and controller
        self._notice_store = NoticeBoardListStore()
        self._view_notice = NoticeBoardTreeView(icons,
                                                NoticeBoardListStore.ICON_SIZE)
        self._notice_scrolled_view.add(self._view_notice)

        def _notice_queue_draw(*args):
            self._view_notice.queue_draw()

        self._notice_store.connect("redraw-request", _notice_queue_draw)
        self._notice_view_c = NoticeBoardViewController(
            self._notice_store, self._view_notice)

        self._service.set_noticeboard_controller(self._notice_view_c)

        # Group model, view and controller
        self._group_store = GroupListStore()
        self._view_group = GroupTreeView(icons, GroupListStore.ICON_SIZE)
        self._group_scrolled_view.add(self._view_group)

        def _group_queue_draw(*args):
            self._view_group.queue_draw()

        self._group_store.connect("redraw-request", _group_queue_draw)
        self._group_view_c = GroupViewController(self._service,
                                                 self._group_store,
                                                 self._view_group,
                                                 self._pref_view_c)

        self._welcome_box = WelcomeBox()

        settings = Gtk.Settings.get_default()
        settings.set_property("gtk-error-bell", False)
        # wire up the css provider to reconfigure on theme-changes
        self._window.connect("style-updated", self._on_style_updated,
                             init_sc_css_provider, settings,
                             Gdk.Screen.get_default(), DATA_DIR)

        # Force the initialization of the css provider asap.
        # This fixes a glitch with GTK 3.10
        init_sc_css_provider(self._window, settings, Gdk.Screen.get_default(),
                             DATA_DIR)

        self._nc = UpperNotificationViewController(self._entropy,
                                                   self._entropy_ws,
                                                   self._notification)
        # Bottom NotificationBox controller.
        # Bottom notifications are only used for
        # providing Activity control to User during
        # the Activity itself.
        self._bottom_nc = BottomNotificationViewController(
            self._window, self._bottom_notification, self._pref_button)

        self._avc = ApplicationsViewController(
            self._activity_rwsem, self._entropy, self._entropy_ws, self._nc,
            self._bottom_nc, self._service, self._pref_view_c, icons,
            self._not_found_box, self._search_entry,
            self._search_entry_completion, self._search_entry_store,
            self._app_store, self._view)

        self._avc.connect("view-cleared", self._on_view_cleared)
        self._avc.connect("view-filled", self._on_view_filled)
        self._avc.connect("view-want-change", self._on_view_change)

        self._service.set_bottom_notification_controller(self._bottom_nc)

        self._app_view_c.set_notification_controller(self._nc)
        self._app_view_c.set_applications_controller(self._avc)

        self._config_view_c.set_notification_controller(self._nc)
        self._config_view_c.set_applications_controller(self._avc)

        self._repo_view_c.set_notification_controller(self._nc)
        self._repo_view_c.set_applications_controller(self._avc)

        self._notice_view_c.set_notification_controller(self._nc)
        self._notice_view_c.set_applications_controller(self._avc)

        self._group_view_c.set_applications_controller(self._avc)

        self._service.set_applications_controller(self._avc)
        self._service.set_application_controller(self._app_view_c)
        self._service.set_notification_controller(self._nc)

        self._service.connect("start-working", self._on_start_working)
        self._service.connect("repositories-updated", self._on_repo_updated)
        self._service.connect("applications-managed",
                              self._on_applications_managed)

        self._work_view_c = WorkViewController(icons, self._service,
                                               self._work_view)
        self._service.set_work_controller(self._work_view_c)

        self._bottom_nc.connect("show-work-view", self._on_show_work_view)
        self._bottom_nc.connect("work-interrupt", self._on_work_interrupt)