chromeos: Sync animation.

ash/launcher/app_placeholder_view.h

Index: ash/launcher/app_placeholder_view.h
diff --git a/ash/launcher/app_placeholder_view.h b/ash/launcher/app_placeholder_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..51aec159c84ffbe4cfbc8748d33ddef23a4fdefe
--- /dev/null
+++ b/ash/launcher/app_placeholder_view.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 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.
+
+#ifndef ASH_LAUNCHER_APP_PLACEHOLDER_VIEW_H_
+#define ASH_LAUNCHER_APP_PLACEHOLDER_VIEW_H_
+
+#include "base/timer.h"
+#include "ui/views/view.h"
+
+namespace ash {
+namespace internal {
+
+class AppPlaceholderView : public views::View {

[sky, 2012/08/14 20:02:34]

Add a description.

[xiyuan, 2012/08/15 18:23:27]

Done.

+ public:
+  AppPlaceholderView();
+  virtual ~AppPlaceholderView();
+
+ private:
+  void ScheduleAnimation();
+
+  // views::View overrides:
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+
+  base::OneShotTimer<AppPlaceholderView> animation_delay_timer_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppPlaceholderView);
+};
+
+}  // namespace internal
+}  // namesapce ash
+
+#endif  // ASH_LAUNCHER_APP_PLACEHOLDER_VIEW_H_