GTK: Custom drawing for GAIA avatar pictures

chrome/browser/ui/gtk/avatar_menu_button_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/avatar_menu_button_gtk.h"
 
 #include "base/i18n/rtl.h"
 #include "chrome/browser/profiles/profile_metrics.h"
+#include "chrome/browser/profiles/profile_info_util.h"
 #include "chrome/browser/ui/gtk/avatar_menu_bubble_gtk.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
 #include "ui/gfx/gtk_util.h"
 
 AvatarMenuButtonGtk::AvatarMenuButtonGtk(Browser* browser)
     : image_(NULL),
       browser_(browser),
-      arrow_location_(BubbleGtk::ARROW_LOCATION_TOP_LEFT) {
+      arrow_location_(BubbleGtk::ARROW_LOCATION_TOP_LEFT),
+      is_gaia_picture_(false),
+      old_height_(0) {
   GtkWidget* event_box = gtk_event_box_new();
   image_ = gtk_image_new();
   gtk_container_add(GTK_CONTAINER(event_box), image_);
 
   g_signal_connect(event_box, "button-press-event",
                    G_CALLBACK(OnButtonPressedThunk), this);
+  g_signal_connect(event_box, "size-allocate",
+                   G_CALLBACK(OnSizeAllocateThunk), this);
 
   gtk_event_box_set_visible_window(GTK_EVENT_BOX(event_box), FALSE);
 
   widget_.Own(event_box);
 }
 
 AvatarMenuButtonGtk::~AvatarMenuButtonGtk() {
 }
 
-void AvatarMenuButtonGtk::SetIcon(const SkBitmap& icon) {
-  GdkPixbuf* icon_pixbuf = gfx::GdkPixbufFromSkBitmap(&icon);
-  gtk_image_set_from_pixbuf(GTK_IMAGE(image_), icon_pixbuf);
-  g_object_unref(icon_pixbuf);
-
-  gtk_misc_set_alignment(GTK_MISC(image_), 0.0, 1.0);
-  gtk_widget_set_size_request(image_, -1, 0);
+void AvatarMenuButtonGtk::SetIcon(const gfx::Image& image,
+                                  bool is_gaia_picture) {
+  icon_.reset(new gfx::Image(image));
+  is_gaia_picture_ = is_gaia_picture;
+  UpdateButtonIcon();
 }
 
 gboolean AvatarMenuButtonGtk::OnButtonPressed(GtkWidget* widget,
                                               GdkEventButton* event) {
   if (event->button != 1)
     return FALSE;
 
   ShowAvatarBubble();
   ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
   return TRUE;
 }
 
+void AvatarMenuButtonGtk::OnSizeAllocate(GtkWidget* widget,
+                                         GtkAllocation* allocation) {
+  if (allocation->height != old_height_)
+    UpdateButtonIcon();
+}
+
 void AvatarMenuButtonGtk::ShowAvatarBubble() {
   new AvatarMenuBubbleGtk(browser_, widget_.get(), arrow_location_, NULL);
 }
+
+void AvatarMenuButtonGtk::UpdateButtonIcon() {
+  if (!icon_.get())
+    return;
+
+  old_height_ = widget()->allocation.height;
+  gfx::Image icon = profiles::GetAvatarIconForTitleBar(*icon_, is_gaia_picture_,
+      profiles::kAvatarIconWidth, old_height_);
+  gtk_image_set_from_pixbuf(GTK_IMAGE(image_), icon.ToGdkPixbuf());
+  gtk_misc_set_alignment(GTK_MISC(image_), 0.0, 1.0);
+  gtk_widget_set_size_request(image_, -1, 0);
+}