Start new activity instance when Alt key is hold pressed #1129

4 files changed, 53 insertions, 3 deletions

diff --git a/src/jarabe/desktop/favoritesview.py b/src/jarabe/desktop/favoritesview.py
index 236ba2b..5be878f 100644
--- a/src/jarabe/desktop/favoritesview.py
+++ b/src/jarabe/desktop/favoritesview.py
@@ -92,6 +92,7 @@ class FavoritesView(hippo.Canvas):
         self._layout = None
         self._alert = None
         self._datastore_listener = DatastoreListener()
+        self._resume_mode = True
 
         # More DND stuff
         self.add_events(gtk.gdk.BUTTON_PRESS_MASK |
@@ -130,6 +131,7 @@ class FavoritesView(hippo.Canvas):
             return
         icon = ActivityIcon(activity_info, self._datastore_listener)
         icon.props.size = style.STANDARD_ICON_SIZE
+        icon.set_resume_mode(self._resume_mode)
         self._box.insert_sorted(icon, 0, self._layout.compare_activities)
         self._layout.append(icon)
 
@@ -335,6 +337,12 @@ class FavoritesView(hippo.Canvas):
     def __register_alert_response_cb(self, alert, response_id):
         self.remove_alert()
 
+    def set_resume_mode(self, resume_mode):
+        self._resume_mode = resume_mode
+        for icon in self._box.get_children():
+            if hasattr(icon, 'set_resume_mode'):
+                icon.set_resume_mode(self._resume_mode)
+
 DS_DBUS_SERVICE = 'org.laptop.sugar.DataStore'
 DS_DBUS_INTERFACE = 'org.laptop.sugar.DataStore'
 DS_DBUS_PATH = '/org/laptop/sugar/DataStore'
@@ -400,6 +408,7 @@ class ActivityIcon(CanvasIcon):
         self._activity_info = activity_info
         self._journal_entries = []
         self._hovering = False
+        self._resume_mode = True
 
         self.connect('hovering-changed', self.__hovering_changed_event_cb)
         self.connect('button-release-event', self.__button_release_event_cb)
@@ -446,7 +455,7 @@ class ActivityIcon(CanvasIcon):
 
     def _update(self):
         self.palette = None
-        if not self._journal_entries:
+        if not self._resume_mode or not self._journal_entries:
             self.props.stroke_color = style.COLOR_BUTTON_GREY.get_svg()
             self.props.fill_color = style.COLOR_TRANSPARENT.get_svg()
         else:
@@ -506,7 +515,7 @@ class ActivityIcon(CanvasIcon):
 
     def _activate(self):
         self.palette.popdown(immediate=True)
-        if self._journal_entries:
+        if self._resume_mode and self._journal_entries:
             entry = self._journal_entries[0]
 
             shell_model = shell.get_model()
@@ -548,6 +557,10 @@ class ActivityIcon(CanvasIcon):
         return registry.get_bundle_position(self.bundle_id, self.version)
     fixed_position = property(_get_fixed_position, None)
 
+    def set_resume_mode(self, resume_mode):
+        self._resume_mode = resume_mode
+        self._update()
+
 class FavoritePalette(ActivityPalette):
     __gtype_name__ = 'SugarFavoritePalette'
 
diff --git a/src/jarabe/desktop/homebox.py b/src/jarabe/desktop/homebox.py
index 0be1d05..604001e 100644
--- a/src/jarabe/desktop/homebox.py
+++ b/src/jarabe/desktop/homebox.py
@@ -141,6 +141,8 @@ class HomeBox(gtk.VBox):
     def focus_search_entry(self):
         self._toolbar.search_entry.grab_focus()
 
+    def set_resume_mode(self, resume_mode):
+        self._favorites_view.set_resume_mode(resume_mode)
 
 class HomeToolbar(gtk.Toolbar):
     __gtype_name__ = 'SugarHomeToolbar'
diff --git a/src/jarabe/desktop/homewindow.py b/src/jarabe/desktop/homewindow.py
index bbb0db1..6212970 100644
--- a/src/jarabe/desktop/homewindow.py
+++ b/src/jarabe/desktop/homewindow.py
@@ -141,3 +141,12 @@ class HomeWindow(gtk.Window):
 
     def get_home_box(self):
         return self._home_box
+
+_instance = None
+
+def get_instance():
+    global _instance
+    if not _instance:
+        _instance = HomeWindow()
+    return _instance
+
diff --git a/src/jarabe/view/keyhandler.py b/src/jarabe/view/keyhandler.py
index f81d24b..26a7f26 100644
--- a/src/jarabe/view/keyhandler.py
+++ b/src/jarabe/view/keyhandler.py
@@ -35,6 +35,7 @@ from jarabe.view.tabbinghandler import TabbingHandler
 from jarabe.model.shell import ShellModel
 from jarabe import config
 from jarabe.journal import journalactivity
+from jarabe.desktop import homewindow
 
 _VOLUME_STEP = sound.VOLUME_STEP
 _VOLUME_MAX = 100
@@ -63,6 +64,8 @@ _actions_table = {
     'XF86Search'           : 'open_search',
     '<alt><shift>o'        : 'open_search',
     '<alt><shift>s'        : 'say_text',
+    'Alt_L'                : 'disable_resume_mode',
+    'Alt_R'                : 'disable_resume_mode',
 }
 
 SPEECH_DBUS_SERVICE = 'org.laptop.Speech'
@@ -198,10 +201,17 @@ class KeyHandler(object):
     def handle_open_search(self, event_time):
         journalactivity.get_journal().focus_search()
 
+    def handle_disable_resume_mode(self, event_time):
+        # TODO: KeyHandler should be a singleton and interested parties
+        # would listen to it. That way it wouldn't need to reference half
+        # of the shell classes.
+        home_box = homewindow.get_instance().get_home_box()
+        home_box.set_resume_mode(False)
+
     def _key_pressed_cb(self, grabber, keycode, state, event_time):
         key = grabber.get_key(keycode, state)
         logging.debug('_key_pressed_cb: %i %i %s', keycode, state, key)
-        if key:
+        if key is not None:
             self._key_pressed = key
             self._keycode_pressed = keycode
             self._keystate_pressed = state
@@ -232,7 +242,23 @@ class KeyHandler(object):
 
         return False
 
+    def _is_resume_mode_keycode(self, keycode):
+        """See if the physical key pressed matches one of the keys that modify
+        the resume mode of the favorites view.
+        """
+        keymap = gtk.gdk.keymap_get_default()
+        entries = keymap.get_entries_for_keycode(keycode)
+        for entry in entries:
+            if gtk.gdk.keyval_name(entry[0]) in ['Alt_L', 'Alt_R']:
+                return True
+        return False
+
     def _key_released_cb(self, grabber, keycode, state, event_time):
+        logging.debug('_key_released_cb: %i %i' % (keycode, state))
+        if self._is_resume_mode_keycode(keycode):
+            home_box = homewindow.get_instance().get_home_box()
+            home_box.set_resume_mode(True)
+
         if self._tabbing_handler.is_tabbing():
             # We stop tabbing and switch to the new window as soon as the
             # modifier key is raised again.