Volume bubble added for ChromeOS.

chrome/browser/chromeos/volume_bubble_view.h

+// Copyright (c) 2010 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 CHROME_BROWSER_CHROMEOS_VOLUME_BUBBLE_VIEW_H_
+#define CHROME_BROWSER_CHROMEOS_VOLUME_BUBBLE_VIEW_H_
+
+#include "views/view.h"
+
+namespace views {
+class ProgressBar;
+}  // namespace views
+
+class SkBitmap;
+
+namespace chromeos {
+
+class VolumeBubbleView : public views::View {
+ public:
+  VolumeBubbleView();
+
+  // Initialize the view. Set the volume progress bar to the specified position.
+  void Init(int volume_level_percent);
+
+  // Set the volume progress bar to the specified position and redraw it.
+  void Update(int volume_level_percent);
+
+ private:
+  // views::View implementation:
+  virtual void Paint(gfx::Canvas* canvas);
+  virtual void Layout();
+  virtual gfx::Size GetPreferredSize();
+
+  views::ProgressBar* progress_bar_;
+  SkBitmap* volume_icon_;
+
+  DISALLOW_COPY_AND_ASSIGN(VolumeBubbleView);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_VOLUME_BUBBLE_VIEW_H_