* Added msg-changed signal to the viewer window, to notify about the change in the...

[modest] / src / widgets / modest-window-mgr.c

diff --git a/src/widgets/modest-window-mgr.c b/src/widgets/modest-window-mgr.c
index ca27a2c..d7adb5a 100644 (file)
--- a/src/widgets/modest-window-mgr.c
+++ b/src/widgets/modest-window-mgr.c
@@ -67,6 +67,7 @@ struct _ModestWindowMgrPrivate {
        GSList       *windows_that_prevent_hibernation;
        GSList       *preregistered_uids;
        GHashTable   *destroy_handlers;
+       GHashTable   *viewer_handlers;
 };
 #define MODEST_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                                MODEST_TYPE_WINDOW_MGR, \
@@ -129,7 +130,8 @@ modest_window_mgr_init (ModestWindowMgr *obj)
           ready yet */
        priv->show_toolbars = FALSE;
        priv->show_toolbars_fullscreen = FALSE;
-       priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
+       priv->destroy_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);   
+       priv->viewer_handlers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
 }
 
 static void
@@ -159,6 +161,11 @@ modest_window_mgr_finalize (GObject *obj)
                priv->destroy_handlers = NULL;
        }
 
+       if (priv->viewer_handlers) {
+               g_hash_table_destroy (priv->viewer_handlers);
+               priv->viewer_handlers = NULL;
+       }
+
        /* Do not unref priv->main_window because it does not hold a
           new reference */
 
@@ -361,9 +368,18 @@ modest_window_mgr_register_window (ModestWindowMgr *self,
        /* Listen to object destruction */
        handler_id = g_malloc0 (sizeof (gint));
        *handler_id = g_signal_connect (window, "delete-event", G_CALLBACK (on_window_destroy), self);
-/*     *handler_id = g_signal_connect (window, "destroy", G_CALLBACK (on_window_destroy), self); */
        g_hash_table_insert (priv->destroy_handlers, window, handler_id);
 
+       /* If there is a msg view window, let the main window listen the msg-changed signal */
+       if (MODEST_IS_MSG_VIEW_WINDOW(window) && priv->main_window) {
+               gulong *handler;
+               handler = g_malloc0 (sizeof (gulong));
+               *handler = g_signal_connect (window, "msg-changed", 
+                                            G_CALLBACK (modest_main_window_on_msg_view_window_msg_changed), 
+                                            priv->main_window);
+               g_hash_table_insert (priv->viewer_handlers, window, handler);
+       }
+
        /* Put into fullscreen if needed */
        if (priv->fullscreen_mode)
                gtk_window_fullscreen (GTK_WINDOW (window));
@@ -448,6 +464,18 @@ on_window_destroy (ModestWindow *window,
        return FALSE;
 }
 
+static void
+disconnect_msg_changed (gpointer key, 
+                       gpointer value, 
+                       gpointer user_data)
+{
+       gulong *handler_id;
+
+       handler_id = (gulong *) value;
+       g_signal_handler_disconnect (G_OBJECT (key), *handler_id);
+}
+
+
 void 
 modest_window_mgr_unregister_window (ModestWindowMgr *self, 
                                     ModestWindow *window)
@@ -468,9 +496,17 @@ modest_window_mgr_unregister_window (ModestWindowMgr *self,
        }
 
        /* If it's the main window unset it */
-       if (priv->main_window == window)
+       if (priv->main_window == window) {
                priv->main_window = NULL;
 
+               /* Disconnect all emissions of msg-changed */
+               g_hash_table_foreach (priv->viewer_handlers, 
+                                     disconnect_msg_changed, 
+                                     NULL);
+               g_hash_table_destroy (priv->viewer_handlers);
+               priv->viewer_handlers = NULL;
+       }
+
        /* Save state */
        modest_window_save_state (window);
 
@@ -480,9 +516,10 @@ modest_window_mgr_unregister_window (ModestWindowMgr *self,
        handler_id = *tmp;
        g_hash_table_remove (priv->destroy_handlers, window);
 
-       /* Remove the reference to the window. Disconnect also the
-          delete-event handler, we won't need it anymore */
+       /* Disconnect the "delete-event" handler, we won't need it anymore */
        g_signal_handler_disconnect (window, handler_id);
+
+       /* Destroy the window */
        gtk_widget_destroy (win->data);
 
        /* If there are no more windows registered then exit program */