[empathy] roster-view: use a signal instead of a cb to handle individual tooltips

[Guillaume Desmottes <gdesmott src gnome org>]

commit c977e894c549b8bb146e23dd5ce88509a30c96cd
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Jun 18 13:15:17 2012 +0200

    roster-view: use a signal instead of a cb to handle individual tooltips
    
    https://bugzilla.gnome.org/show_bug.cgi?id=678294

 libempathy-gtk/empathy-roster-view.c         |   29 +++++++++-----------------
 libempathy-gtk/empathy-roster-view.h         |   11 ---------
 src/empathy-roster-window.c                  |    9 +++----
 tests/interactive/test-empathy-roster-view.c |    7 +++--
 4 files changed, 18 insertions(+), 38 deletions(-)
---
diff --git a/libempathy-gtk/empathy-roster-view.c b/libempathy-gtk/empathy-roster-view.c
index 7ae8052..a2033f2 100644
--- a/libempathy-gtk/empathy-roster-view.c
+++ b/libempathy-gtk/empathy-roster-view.c
@@ -27,6 +27,7 @@ enum
   SIG_INDIVIDUAL_ACTIVATED,
   SIG_POPUP_INDIVIDUAL_MENU,
   SIG_EVENT_ACTIVATED,
+  SIG_INDIVIDUAL_TOOLTIP,
   LAST_SIGNAL
 };
 
@@ -65,9 +66,6 @@ struct _EmpathyRosterViewPriv
   gboolean empty;
 
   EmpathyLiveSearch *search;
-
-  EmpathyRosterViewIndividualTooltipCb individual_tooltip_cb;
-  gpointer individual_tooltip_data;
 };
 
 typedef struct
@@ -1232,9 +1230,6 @@ empathy_roster_view_query_tooltip (GtkWidget *widget,
   FolksIndividual *individual;
   gboolean result;
 
-  if (self->priv->individual_tooltip_cb == NULL)
-    return FALSE;
-
   child = egg_list_box_get_child_at_y (EGG_LIST_BOX (self), y);
   if (!EMPATHY_IS_ROSTER_CONTACT (child))
     return FALSE;
@@ -1242,8 +1237,8 @@ empathy_roster_view_query_tooltip (GtkWidget *widget,
   contact = EMPATHY_ROSTER_CONTACT (child);
   individual = empathy_roster_contact_get_individual (contact);
 
-  result = self->priv->individual_tooltip_cb (self, individual, keyboard_mode,
-      tooltip, self->priv->individual_tooltip_data);
+  g_signal_emit (self, signals[SIG_INDIVIDUAL_TOOLTIP], 0,
+      individual, keyboard_mode, tooltip, &result);
 
   if (result)
     {
@@ -1256,17 +1251,6 @@ empathy_roster_view_query_tooltip (GtkWidget *widget,
   return result;
 }
 
-void
-empathy_roster_view_set_individual_tooltip_cb (EmpathyRosterView *self,
-    EmpathyRosterViewIndividualTooltipCb callback,
-    gpointer user_data)
-{
-  self->priv->individual_tooltip_cb = callback;
-  self->priv->individual_tooltip_data = user_data;
-
-  gtk_widget_set_has_tooltip (GTK_WIDGET (self), callback != NULL);
-}
-
 static void
 empathy_roster_view_remove (GtkContainer *container,
     GtkWidget *widget)
@@ -1350,6 +1334,13 @@ empathy_roster_view_class_init (
       G_TYPE_NONE,
       2, FOLKS_TYPE_INDIVIDUAL, G_TYPE_POINTER);
 
+  signals[SIG_INDIVIDUAL_TOOLTIP] = g_signal_new ("individual-tooltip",
+      G_OBJECT_CLASS_TYPE (klass),
+      G_SIGNAL_RUN_LAST,
+      0, g_signal_accumulator_true_handled, NULL, NULL,
+      G_TYPE_BOOLEAN,
+      3, FOLKS_TYPE_INDIVIDUAL, G_TYPE_BOOLEAN, GTK_TYPE_TOOLTIP);
+
   g_type_class_add_private (klass, sizeof (EmpathyRosterViewPriv));
 }
 
diff --git a/libempathy-gtk/empathy-roster-view.h b/libempathy-gtk/empathy-roster-view.h
index c3d475b..a0ed775 100644
--- a/libempathy-gtk/empathy-roster-view.h
+++ b/libempathy-gtk/empathy-roster-view.h
@@ -64,17 +64,6 @@ void empathy_roster_view_show_groups (EmpathyRosterView *self,
 void empathy_roster_view_set_live_search (EmpathyRosterView *self,
     EmpathyLiveSearch *search);
 
-typedef gboolean (* EmpathyRosterViewIndividualTooltipCb) (
-    EmpathyRosterView *self,
-    FolksIndividual *individual,
-    gboolean keyboard_mode,
-    GtkTooltip *tooltip,
-    gpointer user_data);
-
-void empathy_roster_view_set_individual_tooltip_cb (EmpathyRosterView *self,
-    EmpathyRosterViewIndividualTooltipCb callback,
-    gpointer user_data);
-
 gboolean empathy_roster_view_is_empty (EmpathyRosterView *self);
 
 gboolean empathy_roster_view_is_searching (EmpathyRosterView *self);
diff --git a/src/empathy-roster-window.c b/src/empathy-roster-window.c
index a1363fc..abff479 100644
--- a/src/empathy-roster-window.c
+++ b/src/empathy-roster-window.c
@@ -1925,10 +1925,8 @@ individual_tooltip_cb (EmpathyRosterView *view,
     FolksIndividual *individual,
     gboolean keyboard_mode,
     GtkTooltip *tooltip,
-    gpointer user_data)
+    EmpathyRosterWindow *self)
 {
-  EmpathyRosterWindow *self = user_data;
-
   if (self->priv->tooltip_widget == NULL)
     {
       self->priv->tooltip_widget = empathy_individual_widget_new (individual,
@@ -2089,9 +2087,10 @@ empathy_roster_window_init (EmpathyRosterWindow *self)
       G_CALLBACK (popup_individual_menu_cb), self);
   g_signal_connect (self->priv->view, "notify::empty",
       G_CALLBACK (view_empty_cb), self);
+  g_signal_connect (self->priv->view, "individual-tooltip",
+      G_CALLBACK (individual_tooltip_cb), self);
 
-  empathy_roster_view_set_individual_tooltip_cb (self->priv->view,
-      individual_tooltip_cb, self);
+  gtk_widget_set_has_tooltip (GTK_WIDGET (self->priv->view), TRUE);
 
   /* Set up search bar */
   self->priv->search_bar = empathy_live_search_new (
diff --git a/tests/interactive/test-empathy-roster-view.c b/tests/interactive/test-empathy-roster-view.c
index becb332..d0f739d 100644
--- a/tests/interactive/test-empathy-roster-view.c
+++ b/tests/interactive/test-empathy-roster-view.c
@@ -113,13 +113,14 @@ main (int argc,
       G_CALLBACK (popup_individual_menu_cb), NULL);
   g_signal_connect (view, "notify::empty",
       G_CALLBACK (empty_cb), NULL);
+  g_signal_connect (view, "individual-tooltip",
+      G_CALLBACK (individual_tooltip_cb), NULL);
+
+  gtk_widget_set_has_tooltip (view, TRUE);
 
   empathy_roster_view_show_offline (EMPATHY_ROSTER_VIEW (view), show_offline);
   empathy_roster_view_show_groups (EMPATHY_ROSTER_VIEW (view), show_groups);
 
-  empathy_roster_view_set_individual_tooltip_cb (EMPATHY_ROSTER_VIEW (view),
-      individual_tooltip_cb, NULL);
-
   g_object_unref (mgr);
 
   search = empathy_live_search_new (view);