Exemple #1
0
class Pitivi(Gtk.Application, Loggable):

    """
    Pitivi's application.

    @type effects: L{EffectsManager}
    @ivar gui: The main window of the app.
    @type gui: L{PitiviMainWindow}
    @ivar project_manager: The project manager object used in the application
    @type project_manager: L{ProjectManager}
    @ivar settings: Application-wide settings.
    @type settings: L{GlobalSettings}.
    """

    __gsignals__ = {
        "version-info-received": (GObject.SIGNAL_RUN_LAST, None, (object,))
    }

    def __init__(self):
        Gtk.Application.__init__(self,
                                 application_id="org.pitivi",
                                 flags=Gio.ApplicationFlags.HANDLES_OPEN)
        Loggable.__init__(self)

        self.settings = None
        self.threads = None
        self.effects = None
        self.system = None
        self.project_manager = ProjectManager(self)

        self.action_log = UndoableActionLog(self)
        self.timeline_log_observer = None
        self.project_log_observer = None
        self._last_action_time = Gst.util_get_timestamp()

        self.gui = None
        self.welcome_wizard = None

        self._version_information = {}

        self._scenario_file = None
        self._first_action = True

        Zoomable.app = self
        self.connect("startup", self._startupCb)
        self.connect("activate", self._activateCb)
        self.connect("open", self.openCb)

    def write_action(self, action, properties={}):
        if self._scenario_file is None:
            return

        if self._first_action:
            self._scenario_file.write(
                "description, seek=true, handles-states=true\n")
            self._first_action = False

        now = Gst.util_get_timestamp()
        if now - self._last_action_time > 0.05 * Gst.SECOND:
            # We need to make sure that the waiting time was more than 50 ms.
            st = Gst.Structure.new_empty("wait")
            st["duration"] = float((now - self._last_action_time) / Gst.SECOND)
            self._scenario_file.write(st.to_string() + "\n")
            self._last_action_time = now

        if not isinstance(action, Gst.Structure):
            structure = Gst.Structure.new_empty(action)

            for key, value in properties.items():
                structure[key] = value

            action = structure

        self._scenario_file.write(action.to_string() + "\n")
        self._scenario_file.flush()

    def _startupCb(self, unused_app):
        # Init logging as early as possible so we can log startup code
        enable_color = not os.environ.get(
            'PITIVI_DEBUG_NO_COLOR', '0') in ('', '1')
        # Let's show a human-readable Pitivi debug output by default, and only
        # show a crazy unreadable mess when surrounded by gst debug statements.
        enable_crack_output = "GST_DEBUG" in os.environ
        log.init('PITIVI_DEBUG', enable_color, enable_crack_output)

        self.info('starting up')
        self.settings = GlobalSettings()
        self.threads = ThreadMaster()
        self.effects = EffectsManager()
        self.system = getSystem()

        self.action_log.connect("commit", self._actionLogCommit)
        self.action_log.connect("undo", self._actionLogUndo)
        self.action_log.connect("redo", self._actionLogRedo)
        self.action_log.connect("cleaned", self._actionLogCleaned)
        self.timeline_log_observer = TimelineLogObserver(self.action_log)
        self.project_log_observer = ProjectLogObserver(self.action_log)

        self.project_manager.connect(
            "new-project-loading", self._newProjectLoadingCb)
        self.project_manager.connect(
            "new-project-loaded", self._newProjectLoaded)
        self.project_manager.connect("project-closed", self._projectClosed)

        self._createActions()
        self._checkVersion()

    def _createActions(self):
        self.undo_action = Gio.SimpleAction.new("undo", None)
        self.undo_action.connect("activate", self._undoCb)
        self.add_action(self.undo_action)
        self.add_accelerator("<Control>z", "app.undo", None)

        self.redo_action = Gio.SimpleAction.new("redo", None)
        self.redo_action.connect("activate", self._redoCb)
        self.add_action(self.redo_action)
        self.add_accelerator("<Control><Shift>z", "app.redo", None)

        self.quit_action = Gio.SimpleAction.new("quit", None)
        self.quit_action.connect("activate", self._quitCb)
        self.add_action(self.quit_action)
        self.add_accelerator("<Control>q", "app.quit", None)

    def _activateCb(self, unused_app):
        if self.gui:
            # The app is already started and the window already created.
            # Present the already existing window.
            try:
                # TODO: Use present() instead of present_with_time() when
                # https://bugzilla.gnome.org/show_bug.cgi?id=688830 is fixed.
                from gi.repository import GdkX11
                x11_server_time = GdkX11.x11_get_server_time(self.gui.get_window())
                self.gui.present_with_time(x11_server_time)
            except ImportError:
                # On Wayland or Quartz (Mac OS X) backend there is no GdkX11,
                # so just use present() directly here.
                self.gui.present()
            # No need to show the welcome wizard.
            return
        self.createMainWindow()
        self.welcome_wizard = StartUpWizard(self)
        self.welcome_wizard.show()

    def createMainWindow(self):
        if self.gui:
            return
        self.gui = PitiviMainWindow(self)
        self.add_window(self.gui)
        self.gui.checkScreenConstraints()
        # We might as well show it.
        self.gui.show()

    def openCb(self, unused_app, giofiles, unused_count, unused_hint):
        assert giofiles
        self.createMainWindow()
        if len(giofiles) > 1:
            self.warning(
                "Can open only one project file at a time. Ignoring the rest!")
        project_file = giofiles[0]
        self.project_manager.loadProject(quote_uri(project_file.get_uri()))
        return True

    def shutdown(self):
        """
        Close Pitivi.

        @return: C{True} if Pitivi was successfully closed, else C{False}.
        @rtype: C{bool}
        """
        self.debug("shutting down")
        # Refuse to close if we are not done with the current project.
        if not self.project_manager.closeRunningProject():
            self.warning(
                "Not closing since running project doesn't want to close")
            return False
        if self.welcome_wizard:
            self.welcome_wizard.hide()
        if self.gui:
            self.gui.destroy()
        self.threads.stopAllThreads()
        self.settings.storeSettings()
        self.quit()
        return True

    def _setScenarioFile(self, uri):
        if uri:
            project_path = path_from_uri(uri)
        else:
            # New project.
            project_path = None
        if 'PITIVI_SCENARIO_FILE' in os.environ:
            scenario_path = os.environ['PITIVI_SCENARIO_FILE']
        else:
            cache_dir = get_dir(os.path.join(xdg_cache_home(), "scenarios"))
            scenario_name = str(time.strftime("%Y%m%d-%H%M%S"))
            if project_path:
                scenario_name += os.path.splitext(project_path.replace(os.sep, "_"))[0]
            scenario_path = os.path.join(cache_dir, scenario_name + ".scenario")

        scenario_path = path_from_uri(quote_uri(scenario_path))
        self._scenario_file = open(scenario_path, "w")

        if project_path and not project_path.endswith(".scenario"):
            # It's an xges file probably.
            with open(project_path) as project:
                content = project.read().replace("\n", "")
                self.write_action("load-project",
                                  {"serialized-content": content})

    def _newProjectLoadingCb(self, unused_project_manager, uri):
        self._setScenarioFile(uri)

    def _newProjectLoaded(self, unused_project_manager, project, unused_fully_loaded):
        self.action_log.clean()

        self.timeline_log_observer.startObserving(project.timeline)
        self.project_log_observer.startObserving(project)

    def _projectClosed(self, unused_project_manager, project):
        self.project_log_observer.stopObserving(project)
        self.timeline_log_observer.stopObserving(project.timeline)

        if self._scenario_file:
            self.write_action("stop")
            self._scenario_file.close()
            self._scenario_file = None

    def _checkVersion(self):
        """
        Check online for release versions information.
        """
        self.info("Requesting version information async")
        giofile = Gio.File.new_for_uri(RELEASES_URL)
        giofile.load_contents_async(None, self._versionInfoReceivedCb, None)

    def _versionInfoReceivedCb(self, giofile, result, user_data):
        try:
            raw = giofile.load_contents_finish(result)[1]
            if not isinstance(raw, str):
                raw = raw.decode()
            raw = raw.split("\n")
            # Split line at '=' if the line is not empty or a comment line
            data = [element.split("=") for element in raw
                    if element and not element.startswith("#")]

            # search newest version and status
            status = "UNSUPPORTED"
            current_version = None
            for version, version_status in data:
                if VERSION == version:
                    status = version_status
                if version_status.upper() == "CURRENT":
                    # This is the latest.
                    current_version = version
                    self.info("Latest software version is %s", current_version)

            VERSION_split = [int(i) for i in VERSION.split(".")]
            current_version_split = [int(i)
                                     for i in current_version.split(".")]
            if VERSION_split > current_version_split:
                status = "CURRENT"
                self.info(
                    "Running version %s, which is newer than the latest known version. Considering it as the latest current version.", VERSION)
            elif status is "UNSUPPORTED":
                self.warning(
                    "Using an outdated version of Pitivi (%s)", VERSION)

            self._version_information["current"] = current_version
            self._version_information["status"] = status
            self.emit("version-info-received", self._version_information)
        except Exception as e:
            self.warning("Version info could not be read: %s", e)

    def isLatest(self):
        """
        Whether the app's version is the latest as far as we know.
        """
        status = self._version_information.get("status")
        return status is None or status.upper() == "CURRENT"

    def getLatest(self):
        """
        Get the latest version of the app or None.
        """
        return self._version_information.get("current")

    def _quitCb(self, unused_action, unused_param):
        self.shutdown()

    def _undoCb(self, unused_action, unused_param):
        self.action_log.undo()

    def _redoCb(self, unused_action, unused_param):
        self.action_log.redo()

    def _actionLogCommit(self, action_log, unused_stack, nested):
        if nested:
            return
        self._syncDoUndo(action_log)

    def _actionLogUndo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogRedo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogCleaned(self, action_log):
        self._syncDoUndo(action_log)

    def _syncDoUndo(self, action_log):
        can_undo = bool(action_log.undo_stacks)
        # TODO: Remove this once we revisit undo/redo T3360
        can_undo = False
        self.undo_action.set_enabled(can_undo)

        can_redo = bool(action_log.redo_stacks)
        self.redo_action.set_enabled(can_redo)

        dirty = action_log.dirty()
        self.project_manager.current_project.setModificationState(dirty)
        # In the tests we do not want to create any gui
        if self.gui is not None:
            self.gui.showProjectStatus()
Exemple #2
0
class Pitivi(Gtk.Application, Loggable):
    """
    Pitivi's application.

    @type effects: L{EffectsManager}
    @ivar gui: The main window of the app.
    @type gui: L{PitiviMainWindow}
    @ivar project_manager: The project manager object used in the application
    @type project_manager: L{ProjectManager}
    @ivar settings: Application-wide settings.
    @type settings: L{GlobalSettings}.
    """

    __gsignals__ = {
        "version-info-received": (GObject.SIGNAL_RUN_LAST, None, (object, ))
    }

    def __init__(self):
        Gtk.Application.__init__(self,
                                 application_id="org.pitivi",
                                 flags=Gio.ApplicationFlags.HANDLES_OPEN)
        Loggable.__init__(self)

        self.settings = None
        self.threads = None
        self.effects = None
        self.system = None
        self.project_manager = ProjectManager(self)

        self.action_log = UndoableActionLog(self)
        self.timeline_log_observer = None
        self.project_log_observer = None
        self._last_action_time = Gst.util_get_timestamp()

        self.gui = None
        self.welcome_wizard = None

        self._version_information = {}

        self._scenario_file = None
        self._first_action = True

        self.connect("startup", self._startupCb)
        self.connect("activate", self._activateCb)
        self.connect("open", self.openCb)

    def write_action(self, action, properties={}):
        if self._first_action:
            self._scenario_file.write(
                "description, seek=true, handles-states=true\n")
            self._first_action = False

        now = Gst.util_get_timestamp()
        if now - self._last_action_time > 0.05 * Gst.SECOND:
            # We need to make sure that the waiting time was more than 50 ms.
            st = Gst.Structure.new_empty("wait")
            st["duration"] = float((now - self._last_action_time) / Gst.SECOND)
            self._scenario_file.write(st.to_string() + "\n")
            self._last_action_time = now

        if not isinstance(action, Gst.Structure):
            structure = Gst.Structure.new_empty(action)

            for key, value in properties.items():
                structure[key] = value

            action = structure

        self._scenario_file.write(action.to_string() + "\n")
        self._scenario_file.flush()

    def _startupCb(self, unused_app):
        # Init logging as early as possible so we can log startup code
        enable_color = not os.environ.get('PITIVI_DEBUG_NO_COLOR',
                                          '0') in ('', '1')
        # Let's show a human-readable Pitivi debug output by default, and only
        # show a crazy unreadable mess when surrounded by gst debug statements.
        enable_crack_output = "GST_DEBUG" in os.environ
        log.init('PITIVI_DEBUG', enable_color, enable_crack_output)

        self.info('starting up')
        self.settings = GlobalSettings()
        self.threads = ThreadMaster()
        self.effects = EffectsManager()
        self.system = getSystem()

        self.action_log.connect("commit", self._actionLogCommit)
        self.action_log.connect("undo", self._actionLogUndo)
        self.action_log.connect("redo", self._actionLogRedo)
        self.action_log.connect("cleaned", self._actionLogCleaned)
        self.timeline_log_observer = TimelineLogObserver(self.action_log)
        self.project_log_observer = ProjectLogObserver(self.action_log)

        self.project_manager.connect("new-project-loading",
                                     self._newProjectLoadingCb)
        self.project_manager.connect("new-project-loaded",
                                     self._newProjectLoaded)
        self.project_manager.connect("project-closed", self._projectClosed)

        self._createActions()
        self._checkVersion()

    def _createActions(self):
        self.undo_action = Gio.SimpleAction.new("undo", None)
        self.undo_action.connect("activate", self._undoCb)
        self.add_action(self.undo_action)
        self.add_accelerator("<Control>z", "app.undo", None)

        self.redo_action = Gio.SimpleAction.new("redo", None)
        self.redo_action.connect("activate", self._redoCb)
        self.add_action(self.redo_action)
        self.add_accelerator("<Control><Shift>z", "app.redo", None)

        self.quit_action = Gio.SimpleAction.new("quit", None)
        self.quit_action.connect("activate", self._quitCb)
        self.add_action(self.quit_action)
        self.add_accelerator("<Control>q", "app.quit", None)

    def _activateCb(self, unused_app):
        if self.gui:
            # The app is already started and the window already created.
            # Present the already existing window.
            try:
                # TODO: Use present() instead of present_with_time() when
                # https://bugzilla.gnome.org/show_bug.cgi?id=688830 is fixed.
                from gi.repository import GdkX11
                x11_server_time = GdkX11.x11_get_server_time(
                    self.gui.get_window())
                self.gui.present_with_time(x11_server_time)
            except ImportError:
                # On Wayland or Quartz (Mac OS X) backend there is no GdkX11,
                # so just use present() directly here.
                self.gui.present()
            # No need to show the welcome wizard.
            return
        self.createMainWindow()
        self.welcome_wizard = StartUpWizard(self)
        self.welcome_wizard.show()

    def createMainWindow(self):
        if self.gui:
            return
        self.gui = PitiviMainWindow(self)
        self.add_window(self.gui)
        # We might as well show it.
        self.gui.show()

    def openCb(self, unused_app, giofiles, unused_count, unused_hint):
        assert giofiles
        self.createMainWindow()
        if len(giofiles) > 1:
            self.warning(
                "Can open only one project file at a time. Ignoring the rest!")
        project_file = giofiles[0]
        self.project_manager.loadProject(quote_uri(project_file.get_uri()))
        return True

    def shutdown(self):
        """
        Close Pitivi.

        @return: C{True} if Pitivi was successfully closed, else C{False}.
        @rtype: C{bool}
        """
        self.debug("shutting down")
        # Refuse to close if we are not done with the current project.
        if not self.project_manager.closeRunningProject():
            self.warning(
                "Not closing since running project doesn't want to close")
            return False
        if self.welcome_wizard:
            self.welcome_wizard.hide()
        if self.gui:
            self.gui.destroy()
        self.threads.stopAllThreads()
        self.settings.storeSettings()
        self.quit()
        return True

        self._first_action = True

    def _setScenarioFile(self, uri):
        if 'PITIVI_SCENARIO_FILE' in os.environ:
            uri = quote_uri(os.environ['PITIVI_SCENARIO_FILE'])
        else:
            cache_dir = get_dir(os.path.join(xdg_cache_home(), "scenarios"))
            scenario_name = str(time.strftime("%Y%m%d-%H%M%S"))
            project_path = None
            if uri:
                project_path = path_from_uri(uri)
                scenario_name += os.path.splitext(
                    project_path.replace(os.sep, "_"))[0]

            uri = os.path.join(cache_dir, scenario_name + ".scenario")
            uri = quote_uri(uri)

        self._scenario_file = open(path_from_uri(uri), "w")

        if project_path:
            f = open(project_path)
            content = f.read()
            if not uri.endswith(".scenario"):
                self.write_action(
                    "load-project",
                    {"serialized-content": "%s" % content.replace("\n", "")})
            f.close()

    def _newProjectLoadingCb(self, unused_project_manager, uri):
        self._setScenarioFile(uri)

    def _newProjectLoaded(self, unused_project_manager, project,
                          unused_fully_loaded):
        self.action_log.clean()

        self.timeline_log_observer.startObserving(project.timeline)
        self.project_log_observer.startObserving(project)

    def _projectClosed(self, unused_project_manager, project):
        self.project_log_observer.stopObserving(project)
        self.timeline_log_observer.stopObserving(project.timeline)

        if self._scenario_file:
            self.write_action("stop")
            self._scenario_file.close()
            self._scenario_file = None

    def _checkVersion(self):
        """
        Check online for release versions information.
        """
        self.info("Requesting version information async")
        giofile = Gio.File.new_for_uri(RELEASES_URL)
        giofile.load_contents_async(None, self._versionInfoReceivedCb, None)

    def _versionInfoReceivedCb(self, giofile, result, user_data):
        try:
            raw = giofile.load_contents_finish(result)[1]
            if not isinstance(raw, str):
                raw = raw.decode()
            raw = raw.split("\n")
            # Split line at '=' if the line is not empty or a comment line
            data = [
                element.split("=") for element in raw
                if element and not element.startswith("#")
            ]

            # search newest version and status
            status = "UNSUPPORTED"
            current_version = None
            for version, version_status in data:
                if VERSION == version:
                    status = version_status
                if version_status.upper() == "CURRENT":
                    # This is the latest.
                    current_version = version
                    self.info("Latest software version is %s", current_version)

            VERSION_split = [int(i) for i in VERSION.split(".")]
            current_version_split = [
                int(i) for i in current_version.split(".")
            ]
            if VERSION_split > current_version_split:
                status = "CURRENT"
                self.info(
                    "Running version %s, which is newer than the latest known version. Considering it as the latest current version.",
                    VERSION)
            elif status is "UNSUPPORTED":
                self.warning("Using an outdated version of Pitivi (%s)",
                             VERSION)

            self._version_information["current"] = current_version
            self._version_information["status"] = status
            self.emit("version-info-received", self._version_information)
        except Exception as e:
            self.warning("Version info could not be read: %s", e)

    def isLatest(self):
        """
        Whether the app's version is the latest as far as we know.
        """
        status = self._version_information.get("status")
        return status is None or status.upper() == "CURRENT"

    def getLatest(self):
        """
        Get the latest version of the app or None.
        """
        return self._version_information.get("current")

    def _quitCb(self, unused_action, unused_param):
        self.shutdown()

    def _undoCb(self, unused_action, unused_param):
        self.action_log.undo()

    def _redoCb(self, unused_action, unused_param):
        self.action_log.redo()

    def _actionLogCommit(self, action_log, unused_stack, nested):
        if nested:
            return
        self._syncDoUndo(action_log)

    def _actionLogUndo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogRedo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogCleaned(self, action_log):
        self._syncDoUndo(action_log)

    def _syncDoUndo(self, action_log):
        can_undo = bool(action_log.undo_stacks)
        self.undo_action.set_enabled(can_undo)

        can_redo = bool(action_log.redo_stacks)
        self.redo_action.set_enabled(can_redo)

        dirty = action_log.dirty()
        self.project_manager.current_project.setModificationState(dirty)
        # In the tests we do not want to create any gui
        if self.gui is not None:
            self.gui.showProjectStatus()
Exemple #3
0
class Pitivi(Gtk.Application, Loggable):
    """
    Pitivi's application.

    @type effects: L{EffectsManager}
    @ivar gui: The main window of the app.
    @type gui: L{PitiviMainWindow}
    @ivar project_manager: The project manager object used in the application
    @type project_manager: L{ProjectManager}
    @ivar settings: Application-wide settings.
    @type settings: L{GlobalSettings}.
    """

    __gsignals__ = {
        "version-info-received": (GObject.SIGNAL_RUN_LAST, None, (object, ))
    }

    def __init__(self):
        Gtk.Application.__init__(self,
                                 application_id="org.pitivi",
                                 flags=Gio.ApplicationFlags.HANDLES_OPEN)
        Loggable.__init__(self)

        self.settings = None
        self.threads = None
        self.effects = None
        self.system = None
        self.project_manager = ProjectManager(self)

        self.action_log = UndoableActionLog()
        self.timeline_log_observer = None
        self.project_log_observer = None

        self.gui = None
        self.welcome_wizard = None

        self._version_information = {}

        self.connect("startup", self._startupCb)
        self.connect("activate", self._activateCb)
        self.connect("open", self.openCb)

    def _startupCb(self, unused_app):
        # Init logging as early as possible so we can log startup code
        enable_color = not os.environ.get('PITIVI_DEBUG_NO_COLOR',
                                          '0') in ('', '1')
        # Let's show a human-readable Pitivi debug output by default, and only
        # show a crazy unreadable mess when surrounded by gst debug statements.
        enable_crack_output = "GST_DEBUG" in os.environ
        log.init('PITIVI_DEBUG', enable_color, enable_crack_output)

        self.info('starting up')
        self.settings = GlobalSettings()
        self.threads = ThreadMaster()
        self.effects = EffectsManager()
        self.system = getSystem()

        self.action_log.connect("commit", self._actionLogCommit)
        self.action_log.connect("undo", self._actionLogUndo)
        self.action_log.connect("redo", self._actionLogRedo)
        self.action_log.connect("cleaned", self._actionLogCleaned)
        self.timeline_log_observer = TimelineLogObserver(self.action_log)
        self.project_log_observer = ProjectLogObserver(self.action_log)

        self.project_manager.connect("new-project-loaded",
                                     self._newProjectLoaded)
        self.project_manager.connect("project-closed", self._projectClosed)

        self._createActions()
        self._checkVersion()

    def _createActions(self):
        self.undo_action = Gio.SimpleAction.new("undo", None)
        self.undo_action.connect("activate", self._undoCb)
        self.add_action(self.undo_action)
        self.add_accelerator("<Control>z", "app.undo", None)

        self.redo_action = Gio.SimpleAction.new("redo", None)
        self.redo_action.connect("activate", self._redoCb)
        self.add_action(self.redo_action)
        self.add_accelerator("<Control><Shift>z", "app.redo", None)

        self.quit_action = Gio.SimpleAction.new("quit", None)
        self.quit_action.connect("activate", self._quitCb)
        self.add_action(self.quit_action)
        self.add_accelerator("<Control>q", "app.quit", None)

    def _activateCb(self, unused_app):
        if self.gui:
            # The app is already started and the window already created.
            # Present the already existing window.
            # TODO: Use present() instead of present_with_time() when
            # https://bugzilla.gnome.org/show_bug.cgi?id=688830 is fixed.
            x11_server_time = GdkX11.x11_get_server_time(self.gui.get_window())
            self.gui.present_with_time(x11_server_time)
            # No need to show the welcome wizard.
            return
        self.createMainWindow()
        self.welcome_wizard = StartUpWizard(self)
        self.welcome_wizard.show()

    def createMainWindow(self):
        if self.gui:
            return
        self.gui = PitiviMainWindow(self)
        self.add_window(self.gui)
        # We might as well show it.
        self.gui.show()

    def openCb(self, unused_app, giofiles, unused_count, unused_hint):
        assert giofiles
        self.createMainWindow()
        if len(giofiles) > 1:
            self.warning(
                "Can open only one project file at a time. Ignoring the rest!")
        project_file = giofiles[0]
        self.project_manager.loadProject(quote_uri(project_file.get_uri()))
        return True

    def shutdown(self):
        """
        Close Pitivi.

        @return: C{True} if Pitivi was successfully closed, else C{False}.
        @rtype: C{bool}
        """
        self.debug("shutting down")
        # Refuse to close if we are not done with the current project.
        if not self.project_manager.closeRunningProject():
            self.warning(
                "Not closing since running project doesn't want to close")
            return False
        if self.welcome_wizard:
            self.welcome_wizard.hide()
        if self.gui:
            self.gui.destroy()
        self.threads.stopAllThreads()
        self.settings.storeSettings()
        self.quit()
        return True

    def _newProjectLoaded(self, unused_project_manager, project,
                          unused_fully_loaded):
        self.action_log.clean()
        self.timeline_log_observer.startObserving(project.timeline)
        self.project_log_observer.startObserving(project)

    def _projectClosed(self, unused_project_manager, project):
        self.project_log_observer.stopObserving(project)
        self.timeline_log_observer.stopObserving(project.timeline)

    def _checkVersion(self):
        """
        Check online for release versions information.
        """
        self.info("Requesting version information async")
        giofile = Gio.File.new_for_uri(RELEASES_URL)
        giofile.load_contents_async(None, self._versionInfoReceivedCb, None)

    def _versionInfoReceivedCb(self, giofile, result, user_data):
        try:
            raw = giofile.load_contents_finish(result)[1]
            if not isinstance(raw, str):
                raw = raw.decode()
            raw = raw.split("\n")
            # Split line at '=' if the line is not empty or a comment line
            data = [
                element.split("=") for element in raw
                if element and not element.startswith("#")
            ]

            # search newest version and status
            status = "UNSUPPORTED"
            current_version = None
            for version, version_status in data:
                if VERSION == version:
                    status = version_status
                if version_status.upper() == "CURRENT":
                    # This is the latest.
                    current_version = version
                    self.info("Latest software version is %s", current_version)

            VERSION_split = [int(i) for i in VERSION.split(".")]
            current_version_split = [
                int(i) for i in current_version.split(".")
            ]
            if VERSION_split > current_version_split:
                status = "CURRENT"
                self.info(
                    "Running version %s, which is newer than the latest known version. Considering it as the latest current version.",
                    VERSION)
            elif status is "UNSUPPORTED":
                self.warning("Using an outdated version of Pitivi (%s)",
                             VERSION)

            self._version_information["current"] = current_version
            self._version_information["status"] = status
            self.emit("version-info-received", self._version_information)
        except Exception as e:
            self.warning("Version info could not be read: %s", e)

    def isLatest(self):
        """
        Whether the app's version is the latest as far as we know.
        """
        status = self._version_information.get("status")
        return status is None or status.upper() == "CURRENT"

    def getLatest(self):
        """
        Get the latest version of the app or None.
        """
        return self._version_information.get("current")

    def _quitCb(self, unused_action, unused_param):
        self.shutdown()

    def _undoCb(self, unused_action, unused_param):
        self.action_log.undo()

    def _redoCb(self, unused_action, unused_param):
        self.action_log.redo()

    def _actionLogCommit(self, action_log, unused_stack, nested):
        if nested:
            return
        self._syncDoUndo(action_log)

    def _actionLogUndo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogRedo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogCleaned(self, action_log):
        self._syncDoUndo(action_log)

    def _syncDoUndo(self, action_log):
        can_undo = bool(action_log.undo_stacks)
        self.undo_action.set_enabled(can_undo)

        can_redo = bool(action_log.redo_stacks)
        self.redo_action.set_enabled(can_redo)

        dirty = action_log.dirty()
        self.project_manager.current_project.setModificationState(dirty)
        # In the tests we do not want to create any gui
        if self.gui is not None:
            self.gui.showProjectStatus()
Exemple #4
0
class Pitivi(Gtk.Application, Loggable):
    """
    Pitivi's application.

    @type effects: L{EffectsManager}
    @ivar gui: The main window of the app.
    @type gui: L{PitiviMainWindow}
    @ivar project_manager: The project manager object used in the application
    @type project_manager: L{ProjectManager}
    @ivar settings: Application-wide settings.
    @type settings: L{GlobalSettings}.
    """

    __gsignals__ = {
        "version-info-received": (GObject.SIGNAL_RUN_LAST, None, (object,))
    }

    def __init__(self):
        Gtk.Application.__init__(self,
                                 application_id="org.pitivi",
                                 flags=Gio.ApplicationFlags.HANDLES_OPEN)
        Loggable.__init__(self)

        self.settings = None
        self.threads = None
        self.effects = None
        self.system = None
        self.project_manager = ProjectManager(self)

        self.action_log = UndoableActionLog()
        self.timeline_log_observer = None
        self.project_log_observer = None

        self.gui = None
        self.welcome_wizard = None

        self._version_information = {}

        self.connect("startup", self._startupCb)
        self.connect("activate", self._activateCb)
        self.connect("open", self.openCb)

    def _startupCb(self, unused_app):
        # Init logging as early as possible so we can log startup code
        enable_color = not os.environ.get('PITIVI_DEBUG_NO_COLOR', '0') in ('', '1')
        # Let's show a human-readable Pitivi debug output by default, and only
        # show a crazy unreadable mess when surrounded by gst debug statements.
        enable_crack_output = "GST_DEBUG" in os.environ
        log.init('PITIVI_DEBUG', enable_color, enable_crack_output)

        self.info('starting up')
        self.settings = GlobalSettings()
        self.threads = ThreadMaster()
        self.effects = EffectsManager()
        self.system = getSystem()

        self.action_log.connect("commit", self._actionLogCommit)
        self.action_log.connect("undo", self._actionLogUndo)
        self.action_log.connect("redo", self._actionLogRedo)
        self.action_log.connect("cleaned", self._actionLogCleaned)
        self.timeline_log_observer = TimelineLogObserver(self.action_log)
        self.project_log_observer = ProjectLogObserver(self.action_log)

        self.project_manager.connect("new-project-loaded", self._newProjectLoaded)
        self.project_manager.connect("project-closed", self._projectClosed)

        self._createActions()
        self._checkVersion()

    def _createActions(self):
        self.undo_action = Gio.SimpleAction.new("undo", None)
        self.undo_action.connect("activate", self._undoCb)
        self.add_action(self.undo_action)
        self.add_accelerator("<Control>z", "app.undo", None)

        self.redo_action = Gio.SimpleAction.new("redo", None)
        self.redo_action.connect("activate", self._redoCb)
        self.add_action(self.redo_action)
        self.add_accelerator("<Control><Shift>z", "app.redo", None)

        self.quit_action = Gio.SimpleAction.new("quit", None)
        self.quit_action.connect("activate", self._quitCb)
        self.add_action(self.quit_action)
        self.add_accelerator("<Control>q", "app.quit", None)

    def _activateCb(self, unused_app):
        if self.gui:
            # The app is already started and the window already created.
            # Present the already existing window.
            # TODO: Use present() instead of present_with_time() when
            # https://bugzilla.gnome.org/show_bug.cgi?id=688830 is fixed.
            x11_server_time = GdkX11.x11_get_server_time(self.gui.get_window())
            self.gui.present_with_time(x11_server_time)
            # No need to show the welcome wizard.
            return
        self.createMainWindow()
        self.welcome_wizard = StartUpWizard(self)
        self.welcome_wizard.show()

    def createMainWindow(self):
        if self.gui:
            return
        self.gui = PitiviMainWindow(self)
        self.add_window(self.gui)
        # We might as well show it.
        self.gui.show()

    def openCb(self, unused_app, giofiles, unused_count, unused_hint):
        assert giofiles
        self.createMainWindow()
        if len(giofiles) > 1:
            self.warning("Can open only one project file at a time. Ignoring the rest!")
        project_file = giofiles[0]
        self.project_manager.loadProject(quote_uri(project_file.get_uri()))
        return True

    def shutdown(self):
        """
        Close Pitivi.

        @return: C{True} if Pitivi was successfully closed, else C{False}.
        @rtype: C{bool}
        """
        self.debug("shutting down")
        # Refuse to close if we are not done with the current project.
        if not self.project_manager.closeRunningProject():
            self.warning("Not closing since running project doesn't want to close")
            return False
        if self.welcome_wizard:
            self.welcome_wizard.hide()
        if self.gui:
            self.gui.destroy()
        self.threads.stopAllThreads()
        self.settings.storeSettings()
        self.quit()
        return True

    def _newProjectLoaded(self, unused_project_manager, project, unused_fully_loaded):
        self.action_log.clean()
        self.timeline_log_observer.startObserving(project.timeline)
        self.project_log_observer.startObserving(project)

    def _projectClosed(self, unused_project_manager, project):
        self.project_log_observer.stopObserving(project)
        self.timeline_log_observer.stopObserving(project.timeline)

    def _checkVersion(self):
        """
        Check online for release versions information.
        """
        self.info("Requesting version information async")
        giofile = Gio.File.new_for_uri(RELEASES_URL)
        giofile.load_contents_async(None, self._versionInfoReceivedCb, None)

    def _versionInfoReceivedCb(self, giofile, result, user_data):
        try:
            raw = giofile.load_contents_finish(result)[1]
            if not isinstance(raw, str):
                raw = raw.decode()
            raw = raw.split("\n")
            # Split line at '=' if the line is not empty or a comment line
            data = [element.split("=") for element in raw
                    if element and not element.startswith("#")]

            # search newest version and status
            status = "UNSUPPORTED"
            current_version = None
            for version, version_status in data:
                if VERSION == version:
                    status = version_status
                if version_status.upper() == "CURRENT":
                    # This is the latest.
                    current_version = version
                    self.info("Latest software version is %s", current_version)

            VERSION_split = [int(i) for i in VERSION.split(".")]
            current_version_split = [int(i) for i in current_version.split(".")]
            if VERSION_split > current_version_split:
                status = "CURRENT"
                self.info("Running version %s, which is newer than the latest known version. Considering it as the latest current version.", VERSION)
            elif status is "UNSUPPORTED":
                self.warning("Using an outdated version of Pitivi (%s)", VERSION)

            self._version_information["current"] = current_version
            self._version_information["status"] = status
            self.emit("version-info-received", self._version_information)
        except Exception as e:
            self.warning("Version info could not be read: %s", e)

    def isLatest(self):
        """
        Whether the app's version is the latest as far as we know.
        """
        status = self._version_information.get("status")
        return status is None or status.upper() == "CURRENT"

    def getLatest(self):
        """
        Get the latest version of the app or None.
        """
        return self._version_information.get("current")

    def _quitCb(self, unused_action, unused_param):
        self.shutdown()

    def _undoCb(self, unused_action, unused_param):
        self.action_log.undo()

    def _redoCb(self, unused_action, unused_param):
        self.action_log.redo()

    def _actionLogCommit(self, action_log, unused_stack, nested):
        if nested:
            return
        self._syncDoUndo(action_log)

    def _actionLogUndo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogRedo(self, action_log, unused_stack):
        self._syncDoUndo(action_log)

    def _actionLogCleaned(self, action_log):
        self._syncDoUndo(action_log)

    def _syncDoUndo(self, action_log):
        can_undo = bool(action_log.undo_stacks)
        self.undo_action.set_enabled(can_undo)

        can_redo = bool(action_log.redo_stacks)
        self.redo_action.set_enabled(can_redo)

        dirty = action_log.dirty()
        self.project_manager.current_project.setModificationState(dirty)
        # In the tests we do not want to create any gui
        if self.gui is not None:
            self.gui.showProjectStatus()