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authorLars Uebernickel <lars.uebernickel@canonical.com>2013-06-17 17:50:43 -0400
committerLars Uebernickel <lars.uebernickel@canonical.com>2013-06-17 17:50:43 -0400
commitbfb0755c41d69bb02b8de2ebe5854cf0f04de116 (patch)
tree7f580a1d604fb040bf8d75e270e4bf06f52493cc /src
parent01d0c0b1f4353adaa156db3b05b06ab1960e1913 (diff)
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IdoPlaybackMenuItem: listen to state changes of the 'play' action
So that the play button can be updated.
Diffstat (limited to 'src')
-rw-r--r--src/idoplaybackmenuitem.c75
1 files changed, 74 insertions, 1 deletions
diff --git a/src/idoplaybackmenuitem.c b/src/idoplaybackmenuitem.c
index f5b8f77..3a9a196 100644
--- a/src/idoplaybackmenuitem.c
+++ b/src/idoplaybackmenuitem.c
@@ -69,7 +69,11 @@ ido_playback_menu_item_dispose (GObject *object)
{
IdoPlaybackMenuItem *item = IDO_PLAYBACK_MENU_ITEM (object);
- g_clear_object (&item->action_group);
+ if (item->action_group)
+ {
+ g_signal_handlers_disconnect_by_data (item->action_group, item);
+ g_clear_object (&item->action_group);
+ }
G_OBJECT_CLASS (ido_playback_menu_item_parent_class)->dispose (object);
}
@@ -315,6 +319,68 @@ ido_playback_menu_item_init (IdoPlaybackMenuItem *self)
gtk_widget_set_size_request (GTK_WIDGET (self), 200, 43);
}
+static void
+ido_playback_menu_item_set_state_from_string (IdoPlaybackMenuItem *self,
+ const gchar *state)
+{
+ if (g_str_equal (state, "Playing"))
+ self->current_state = STATE_PLAYING;
+ else if (g_str_equal (state, "Launching"))
+ self->current_state = STATE_LAUNCHING;
+ else /* "Paused" and fallback */
+ self->current_state = STATE_PAUSED;
+
+ gtk_widget_queue_draw (GTK_WIDGET (self));
+}
+
+static void
+ido_playback_menu_item_action_added (GActionGroup *action_group,
+ const gchar *action_name,
+ gpointer user_data)
+{
+ IdoPlaybackMenuItem *self = user_data;
+
+ if (self->play_action && g_str_equal (action_name, self->play_action))
+ {
+ GVariant *state;
+
+ state = g_action_group_get_action_state (action_group, self->play_action);
+ if (g_variant_is_of_type (state, G_VARIANT_TYPE_STRING))
+ ido_playback_menu_item_set_state_from_string (self, g_variant_get_string (state, NULL));
+
+ g_variant_unref (state);
+ }
+}
+
+static void
+ido_playback_menu_item_action_removed (GActionGroup *action_group,
+ const gchar *action_name,
+ gpointer user_data)
+{
+ IdoPlaybackMenuItem *self = user_data;
+
+ if (self->play_action && g_str_equal (action_name, self->play_action))
+ {
+ self->current_state = STATE_PAUSED;
+ gtk_widget_queue_draw (GTK_WIDGET (self));
+ }
+}
+
+static void
+ido_playback_menu_item_action_state_changed (GActionGroup *action_group,
+ const gchar *action_name,
+ GVariant *value,
+ gpointer user_data)
+{
+ IdoPlaybackMenuItem *self = user_data;
+
+ if (self->play_action && g_str_equal (action_name, self->play_action))
+ {
+ if (g_variant_is_of_type (value, G_VARIANT_TYPE_STRING))
+ ido_playback_menu_item_set_state_from_string (self, g_variant_get_string (value, NULL));
+ }
+}
+
GtkMenuItem *
ido_playback_menu_item_new_from_model (GMenuItem *item,
GActionGroup *actions)
@@ -322,12 +388,19 @@ ido_playback_menu_item_new_from_model (GMenuItem *item,
IdoPlaybackMenuItem *widget;
widget = g_object_new (IDO_TYPE_PLAYBACK_MENU_ITEM, NULL);
+
widget->action_group = g_object_ref (actions);
+ g_signal_connect (actions, "action-state-changed", G_CALLBACK (ido_playback_menu_item_action_state_changed), widget);
+ g_signal_connect (actions, "action-added", G_CALLBACK (ido_playback_menu_item_action_added), widget);
+ g_signal_connect (actions, "action-removed", G_CALLBACK (ido_playback_menu_item_action_removed), widget);
g_menu_item_get_attribute (item, "x-canonical-play-action", "s", &widget->play_action);
g_menu_item_get_attribute (item, "x-canonical-next-action", "s", &widget->next_action);
g_menu_item_get_attribute (item, "x-canonical-previous-action", "s", &widget->prev_action);
+ if (widget->play_action && g_action_group_has_action (actions, widget->play_action))
+ ido_playback_menu_item_action_added (actions, widget->play_action, widget);
+
return GTK_MENU_ITEM (widget);
}