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// 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_H_
#define CHROME_BROWSER_CHROMEOS_VOLUME_BUBBLE_H_
#pragma once
#include "app/slide_animation.h"
#include "base/singleton.h"
#include "chrome/browser/views/info_bubble.h"
namespace chromeos {
class VolumeBubbleView;
// Singleton class controlling volume bubble.
class VolumeBubble : public InfoBubbleDelegate,
public AnimationDelegate {
public:
static VolumeBubble* instance() {
return Singleton<VolumeBubble>::get();
}
void ShowVolumeBubble(int percent);
private:
friend struct DefaultSingletonTraits<VolumeBubble>;
VolumeBubble();
void OnTimeout();
// Overridden from InfoBubbleDelegate.
virtual void InfoBubbleClosing(InfoBubble* info_bubble,
bool closed_by_escape);
virtual bool CloseOnEscape() { return true; }
virtual bool FadeInOnShow() { return false; }
// Overridden from AnimationDelegate.
virtual void AnimationEnded(const Animation* animation);
virtual void AnimationProgressed(const Animation* animation);
// Previous and current volume percentages, -1 if not yet shown.
int previous_percent_;
int current_percent_;
// Currently shown bubble or NULL.
InfoBubble* bubble_;
// Its contents view, owned by InfoBubble.
VolumeBubbleView* view_;
SlideAnimation animation_;
base::OneShotTimer<VolumeBubble> timeout_timer_;
DISALLOW_COPY_AND_ASSIGN(VolumeBubble);
};
} // namespace
#endif // CHROME_BROWSER_CHROMEOS_VOLUME_BUBBLE_H_
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