[gnome-photos] view-embed: Implement the window_mode_changed callback

[Debarshi Ray <debarshir src gnome org>]

commit b684cd9a6215676605bcce82673b62c571492e43
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Apr 27 22:16:59 2012 +0200

    view-embed: Implement the window_mode_changed callback

 src/photos-view-embed.c |   43 +++++++++++++++++++++++++++++++++++++++----
 1 files changed, 39 insertions(+), 4 deletions(-)
---
diff --git a/src/photos-view-embed.c b/src/photos-view-embed.c
index 6573326..b87c6f2 100644
--- a/src/photos-view-embed.c
+++ b/src/photos-view-embed.c
@@ -56,10 +56,13 @@ photos_view_embed_fullscreen_changed (PhotosModeController *mode_cntrlr, gboolea
 
 
 static void
-photos_view_embed_window_mode_changed (PhotosModeController *mode_cntrlr,
-                                       PhotosWindowMode mode,
-                                       PhotosWindowMode old_mode,
-                                       gpointer user_data)
+photos_view_embed_prepare_for_overview (PhotosViewEmbed *self)
+{
+}
+
+
+static void
+photos_view_embed_prepare_for_preview (PhotosViewEmbed *self)
 {
 }
 
@@ -83,6 +86,38 @@ photos_view_embed_selection_toolbar_notify_width (GObject *object, GParamSpec *p
 
 
 static void
+photos_view_embed_window_mode_change_flash (PhotosViewEmbed *self)
+{
+  PhotosViewEmbedPrivate *priv = self->priv;
+  ClutterAnimation *animation;
+
+  clutter_actor_raise_top (priv->background);
+  clutter_actor_set_opacity (priv->background, 255);
+
+  animation = clutter_actor_animate (priv->background, CLUTTER_EASE_IN_QUAD, 200, "opacity", 0, NULL);
+  g_signal_connect_swapped (animation, "completed", G_CALLBACK (clutter_actor_lower_bottom), priv->background);
+}
+
+
+static void
+photos_view_embed_window_mode_changed (PhotosModeController *mode_cntrlr,
+                                       PhotosWindowMode mode,
+                                       PhotosWindowMode old_mode,
+                                       gpointer user_data)
+{
+  PhotosViewEmbed *self = PHOTOS_VIEW_EMBED (user_data);
+
+  if (mode == PHOTOS_WINDOW_MODE_OVERVIEW)
+    photos_view_embed_prepare_for_overview (self);
+  else
+    photos_view_embed_prepare_for_preview (self);
+
+  if (old_mode != PHOTOS_WINDOW_MODE_NONE)
+    photos_view_embed_window_mode_change_flash (self);
+}
+
+
+static void
 photos_view_embed_dispose (GObject *object)
 {
   PhotosViewEmbed *self = PHOTOS_VIEW_EMBED (object);