[gnome-flashback] screenshot: add "finished" signal to GfFlashspot

[Alberts Muktupāvels <muktupavels src gnome org>]

commit c4a7e269d4d162aecb7f0677a06abdca5e1183dc
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Sep 10 17:41:02 2015 +0300

    screenshot: add "finished" signal to GfFlashspot

 gnome-flashback/libscreenshot/gf-flashspot.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/gnome-flashback/libscreenshot/gf-flashspot.c b/gnome-flashback/libscreenshot/gf-flashspot.c
index ef29ba8..4bfd834 100644
--- a/gnome-flashback/libscreenshot/gf-flashspot.c
+++ b/gnome-flashback/libscreenshot/gf-flashspot.c
@@ -40,6 +40,15 @@ struct _GfFlashspot
   guint      fade_id;
 };
 
+enum
+{
+  SIGNAL_FINISHED,
+
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
 G_DEFINE_TYPE (GfFlashspot, gf_flashspot, G_TYPE_OBJECT)
 
 static gboolean
@@ -57,6 +66,8 @@ fade (gpointer user_data)
     {
       gtk_widget_hide (flashspot->window);
 
+      g_signal_emit (flashspot, signals[SIGNAL_FINISHED], 0);
+
       flashspot->fade_id = 0;
       return G_SOURCE_REMOVE;
     }
@@ -77,6 +88,8 @@ start_fade (gpointer user_data)
     {
       gtk_widget_hide (flashspot->window);
 
+      g_signal_emit (flashspot, signals[SIGNAL_FINISHED], 0);
+
       flashspot->flash_id = 0;
       return G_SOURCE_REMOVE;
     }
@@ -127,6 +140,13 @@ gf_flashspot_class_init (GfFlashspotClass *flashspot_class)
   object_class = G_OBJECT_CLASS (flashspot_class);
 
   object_class->dispose = gf_flashspot_dispose;
+
+  signals[SIGNAL_FINISHED] =
+    g_signal_new ("finished",
+                  G_OBJECT_CLASS_TYPE (flashspot_class),
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 0);
 }
 
 static void