1 files changed, 61 insertions, 0 deletions
diff --git a/chromium/ash/system/chromeos/audio/tray_audio.h b/chromium/ash/system/chromeos/audio/tray_audio.h
new file mode 100644
index 00000000000..d055a54b037
--- /dev/null
+++ b/chromium/ash/system/chromeos/audio/tray_audio.h
@@ -0,0 +1,61 @@
+// 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_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
+#define ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
+
+#include "ash/system/tray/tray_image_item.h"
+#include "chromeos/audio/cras_audio_handler.h"
+
+namespace ash {
+namespace internal {
+
+namespace tray {
+class VolumeView;
+class AudioDetailedView;
+}
+
+class TrayAudio : public TrayImageItem,
+                  public chromeos::CrasAudioHandler::AudioObserver {
+ public:
+  explicit TrayAudio(SystemTray* system_tray);
+  virtual ~TrayAudio();
+
+ private:
+  // Overridden from TrayImageItem.
+  virtual bool GetInitialVisibility() OVERRIDE;
+
+  // Overridden from SystemTrayItem.
+  virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
+  virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
+  virtual void DestroyDefaultView() OVERRIDE;
+  virtual void DestroyDetailedView() OVERRIDE;
+  virtual bool ShouldHideArrow() const OVERRIDE;
+  virtual bool ShouldShowLauncher() const OVERRIDE;
+
+  // Overridden from chromeos::CrasAudioHandler::AudioObserver.
+  virtual void OnOutputVolumeChanged() OVERRIDE;
+  virtual void OnOutputMuteChanged() OVERRIDE;
+  virtual void OnInputGainChanged() OVERRIDE;
+  virtual void OnInputMuteChanged() OVERRIDE;
+  virtual void OnAudioNodesChanged() OVERRIDE;
+  virtual void OnActiveOutputNodeChanged() OVERRIDE;
+  virtual void OnActiveInputNodeChanged() OVERRIDE;
+
+  void Update();
+
+  tray::VolumeView* volume_view_;
+  tray::AudioDetailedView* audio_detail_;
+
+  // True if VolumeView should be created for accelerator pop up;
+  // Otherwise, it should be created for detailed view in ash tray bubble.
+  bool pop_up_volume_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(TrayAudio);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_