# 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 _ from sets import Set import logging import tempfile import os import time 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 view.ActivityHost import ActivityHost from view.frame.frame import Frame from view.keyhandler import KeyHandler from view.home.HomeWindow import HomeWindow from model.shellmodel import ShellModel # #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, model): gobject.GObject.__init__(self) self._activities_starting = Set() self._model = model self._hosts = {} self._screen = wnck.screen_get_default() self._current_host = None self._pending_host = None self._screen_rotation = 0 self._zoom_level = ShellModel.ZOOM_HOME self._key_handler = KeyHandler(self) self._frame = Frame(self) self._home_window = HomeWindow(self) self._home_window.show() home_model = self._model.get_home() home_model.connect('activity-started', self._activity_started_cb) home_model.connect('activity-removed', self._activity_removed_cb) home_model.connect('active-activity-changed', self._active_activity_changed_cb) home_model.connect('pending-activity-changed', self._pending_activity_changed_cb) self._model.connect('notify::zoom-level', self._zoom_level_changed_cb) gobject.idle_add(self._start_journal_idle) def _start_journal_idle(self): # Mount the datastore in internal flash datastore.mount(env.get_profile_path('datastore'), [], timeout=120 * DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND) # Checking for the bundle existence will also ensure # that the shell service is started up. registry = activity.get_registry() if registry.get_activity('org.laptop.JournalActivity'): self.start_activity('org.laptop.JournalActivity') def _activity_started_cb(self, home_model, home_activity): activity_host = ActivityHost(home_activity) self._hosts[activity_host.get_xid()] = activity_host if home_activity.get_type() in self._activities_starting: self._activities_starting.remove(home_activity.get_type()) def _activity_removed_cb(self, home_model, home_activity): if home_activity.get_type() in self._activities_starting: self._activities_starting.remove(home_activity.get_type()) xid = home_activity.get_xid() if self._hosts.has_key(xid): self._hosts[xid].destroy() del self._hosts[xid] def _active_activity_changed_cb(self, home_model, home_activity): if home_activity: host = self._hosts[home_activity.get_xid()] else: host = None if self._current_host: self._current_host.set_active(False) self._current_host = host def _pending_activity_changed_cb(self, home_model, home_activity): if home_activity: self._pending_host = self._hosts[home_activity.get_xid()] else: self._pending_host = 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 notify_launch(self, bundle_id, activity_id): # Zoom to Home for launch feedback self.set_zoom_level(ShellModel.ZOOM_HOME) home_model = self._model.get_home() home_model.notify_activity_launch(activity_id, bundle_id) def notify_launch_failure(self, activity_id): home_model = self._model.get_home() home_model.notify_activity_launch_failed(activity_id) def start_activity(self, activity_type): if activity_type in self._activities_starting: logging.debug("This activity is still launching.") return self._activities_starting.add(activity_type) activityfactory.create(activity_type) def take_activity_screenshot(self): if self._model.get_zoom_level() != ShellModel.ZOOM_ACTIVITY: return if self.get_frame().visible: return home_model = self._model.get_home() activity = home_model.get_active_activity() if activity: try: activity.get_service().TakeScreenshot(timeout=1.0) except dbus.DBusException, e: logging.debug('ignoring error raised by TakeScreenshot(): %s', e) def set_zoom_level(self, level): if level == self._zoom_level: return self.take_activity_screenshot() if level == ShellModel.ZOOM_ACTIVITY: if self._pending_host is not None: self._pending_host.present() self._screen.toggle_showing_desktop(False) else: self._model.set_zoom_level(level) self._screen.toggle_showing_desktop(True) self._home_window.set_zoom_level(level) def _zoom_level_changed_cb(self, model, pspec): new_level = model.props.zoom_level if new_level == ShellModel.ZOOM_HOME: self._frame.show(Frame.MODE_HOME) if self._zoom_level == ShellModel.ZOOM_HOME: self._frame.hide() self._zoom_level = new_level def toggle_activity_fullscreen(self): if self._model.get_zoom_level() == ShellModel.ZOOM_ACTIVITY: self.get_current_activity().toggle_fullscreen() def activate_previous_activity(self): home_model = self._model.get_home() activity = home_model.get_previous_activity() if activity: self.take_activity_screenshot() activity.get_window().activate(1) def activate_next_activity(self): home_model = self._model.get_home() activity = home_model.get_next_activity() if activity: self.take_activity_screenshot() activity.get_window().activate(1) def close_current_activity(self): self.take_activity_screenshot() if self._model.get_zoom_level() == ShellModel.ZOOM_ACTIVITY: self.get_current_activity().close() def get_current_activity(self): return self._current_host def get_activity(self, activity_id): for host in self._hosts.values(): if host.get_id() == activity_id: return host return None def toggle_chat_visibility(self): act = self.get_current_activity() if not act: return is_visible = self._frame.is_visible() if act.is_chat_visible(): frame_was_visible = act.chat_hide() if not frame_was_visible: self._frame.do_slide_out() else: if not is_visible: self._frame.do_slide_in() act.chat_show(is_visible) 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") try: 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) finally: jobject.destroy() del jobject finally: os.remove(file_path)