diff options
Diffstat (limited to 'src/jarabe/view/Shell.py')
| -rw-r--r-- | src/jarabe/view/Shell.py | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/src/jarabe/view/Shell.py b/src/jarabe/view/Shell.py new file mode 100644 index 0000000..089bfb5 --- /dev/null +++ b/src/jarabe/view/Shell.py @@ -0,0 +1,270 @@ +# Copyright (C) 2006-2007 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +from gettext import gettext as _ +import logging +import tempfile +import os +import time +import shutil + +import gobject +import gtk +import wnck +import dbus + +from sugar.activity.activityhandle import ActivityHandle +from sugar import activity +from sugar.activity import activityfactory +from sugar.datastore import datastore +from sugar import profile +from sugar import env + +from jarabe.view.ActivityHost import ActivityHost +from jarabe.view.frame import frame +from jarabe.view.keyhandler import KeyHandler +from jarabe.view.home.HomeWindow import HomeWindow +from jarabe.view.launchwindow import LaunchWindow +from jarabe.model import shellmodel +from jarabe.journal import journalactivity + +# #3903 - this constant can be removed and assumed to be 1 when dbus-python +# 0.82.3 is the only version used +if dbus.version >= (0, 82, 3): + DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND = 1 +else: + DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND = 1000 + +class Shell(gobject.GObject): + def __init__(self): + gobject.GObject.__init__(self) + + self._model = shellmodel.get_instance() + self._hosts = {} + self._launchers = {} + self._screen = wnck.screen_get_default() + self._screen_rotation = 0 + + self._key_handler = KeyHandler() + + self._frame = frame.get_instance() + + self.home_window = HomeWindow() + self.home_window.show() + + home_model = self._model.get_home() + home_model.connect('launch-started', self.__launch_started_cb) + home_model.connect('launch-failed', self.__launch_failed_cb) + home_model.connect('launch-completed', self.__launch_completed_cb) + home_model.connect('activity-removed', self._activity_removed_cb) + + gobject.idle_add(self._start_journal_idle) + + def _start_journal_idle(self): + # Mount the datastore in internal flash + ds_path = env.get_profile_path('datastore') + try: + datastore.mount(ds_path, [], timeout=120 * \ + DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND) + except Exception, e: + # Don't explode if there's corruption; move the data out of the way + # and attempt to create a store from scratch. + logging.error(e) + shutil.move(ds_path, os.path.abspath(ds_path) + str(time.time())) + datastore.mount(ds_path, [], timeout=120 * \ + DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND) + + journalactivity.start() + + def __launch_started_cb(self, home_model, home_activity): + if home_activity.is_journal(): + return + + launch_window = LaunchWindow(home_activity) + launch_window.show() + + self._launchers[home_activity.get_activity_id()] = launch_window + self._model.set_zoom_level(shellmodel.ShellModel.ZOOM_ACTIVITY) + + def __launch_failed_cb(self, home_model, home_activity): + if not home_activity.is_journal(): + self._destroy_launcher(home_activity) + + def __launch_completed_cb(self, home_model, home_activity): + activity_host = ActivityHost(home_activity) + self._hosts[activity_host.get_xid()] = activity_host + + if not home_activity.is_journal(): + self._destroy_launcher(home_activity) + + def _destroy_launcher(self, home_activity): + activity_id = home_activity.get_activity_id() + + if activity_id in self._launchers: + self._launchers[activity_id].destroy() + del self._launchers[activity_id] + else: + logging.error('Launcher for %s is missing' % activity_id) + + def _activity_removed_cb(self, home_model, home_activity): + xid = home_activity.get_xid() + if self._hosts.has_key(xid): + del self._hosts[xid] + + def _get_host_from_activity_model(self, activity_model): + if activity_model is None: + raise ValueError('activity_model cannot be None') + xid = activity_model.get_xid() + if xid: + return self._hosts[activity_model.get_xid()] + else: + logging.debug('Activity %r dont have a window yet' % activity_model) + return None + + def get_model(self): + return self._model + + def get_frame(self): + return self._frame + + def join_activity(self, bundle_id, activity_id): + activity_host = self.get_activity(activity_id) + if activity_host: + activity_host.present() + return + + # Get the service name for this activity, if + # we have a bundle on the system capable of handling + # this activity type + registry = activity.get_registry() + bundle = registry.get_activity(bundle_id) + if not bundle: + logging.error("Couldn't find activity for type %s" % bundle_id) + return + + handle = ActivityHandle(activity_id) + activityfactory.create(bundle_id, handle) + + def start_activity(self, activity_type): + activityfactory.create(activity_type) + + def start_activity_with_uri(self, activity_type, uri): + activityfactory.create_with_uri(activity_type, uri) + + def take_activity_screenshot(self): + if self._model.get_zoom_level() != shellmodel.ShellModel.ZOOM_ACTIVITY: + return + if self.get_frame().visible: + return + + home_model = self._model.get_home() + active_activity = home_model.get_active_activity() + if active_activity is not None: + service = active_activity.get_service() + if service is not None: + try: + service.TakeScreenshot(timeout=2.0) + except dbus.DBusException, e: + logging.debug('Error raised by TakeScreenshot(): %s', e) + + def set_zoom_level(self, level): + if level == self._model.get_zoom_level(): + logging.debug('Already in the level %r' % level) + return + + if level == shellmodel.ShellModel.ZOOM_ACTIVITY: + host = self.get_current_activity() + if host is None: + raise ValueError('No current activity') + host.present() + else: + self._model.set_zoom_level(level) + self._screen.toggle_showing_desktop(True) + + def toggle_activity_fullscreen(self): + if self._model.get_zoom_level() == shellmodel.ShellModel.ZOOM_ACTIVITY: + self.get_current_activity().toggle_fullscreen() + + def activate_previous_activity(self): + home_model = self._model.get_home() + previous_activity = home_model.get_previous_activity() + if previous_activity: + previous_activity.get_window().activate( + gtk.get_current_event_time()) + + def activate_next_activity(self): + home_model = self._model.get_home() + next_activity = home_model.get_next_activity() + if next_activity: + next_activity.get_window().activate(gtk.get_current_event_time()) + + def close_current_activity(self): + if self._model.get_zoom_level() != shellmodel.ShellModel.ZOOM_ACTIVITY: + return + + home_model = self._model.get_home() + active_activity = home_model.get_active_activity() + if active_activity.is_journal(): + return + + self.get_current_activity().close() + + def get_current_activity(self): + home_model = self._model.get_home() + active_activity = home_model.get_active_activity() + return self._get_host_from_activity_model(active_activity) + + def get_activity(self, activity_id): + for host in self._hosts.values(): + if host.get_id() == activity_id: + return host + return None + + def take_screenshot(self): + file_path = os.path.join(tempfile.gettempdir(), '%i' % time.time()) + + window = gtk.gdk.get_default_root_window() + width, height = window.get_size() + x_orig, y_orig = window.get_origin() + + screenshot = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, has_alpha=False, + bits_per_sample=8, width=width, + height=height) + screenshot.get_from_drawable(window, window.get_colormap(), x_orig, + y_orig, 0, 0, width, height) + screenshot.save(file_path, "png") + jobject = datastore.create() + try: + jobject.metadata['title'] = _('Screenshot') + jobject.metadata['keep'] = '0' + jobject.metadata['buddies'] = '' + jobject.metadata['preview'] = '' + jobject.metadata['icon-color'] = profile.get_color().to_string() + jobject.metadata['mime_type'] = 'image/png' + jobject.file_path = file_path + datastore.write(jobject, transfer_ownership=True) + finally: + jobject.destroy() + del jobject + +_instance = None + +def get_instance(): + global _instance + if not _instance: + _instance = Shell() + return _instance + |