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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_SETTING_LEVEL_BUBBLE_H_
#define CHROME_BROWSER_CHROMEOS_SETTING_LEVEL_BUBBLE_H_
#pragma once
#include "base/basictypes.h"
#include "base/timer.h"
#include "chrome/browser/views/info_bubble.h"
#include "ui/base/animation/animation_delegate.h"
#include "ui/base/animation/slide_animation.h"
class SkBitmap;
namespace chromeos {
class SettingLevelBubbleView;
// Singleton class controlling a bubble displaying a level-based setting like
// volume or brightness.
class SettingLevelBubble : public InfoBubbleDelegate,
public ui::AnimationDelegate {
public:
void ShowBubble(int percent);
void HideBubble();
protected:
explicit SettingLevelBubble(SkBitmap* increase_icon,
SkBitmap* decrease_icon,
SkBitmap* zero_icon);
virtual ~SettingLevelBubble() {}
private:
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 ui::AnimationDelegate.
virtual void AnimationEnded(const ui::Animation* animation);
virtual void AnimationProgressed(const ui::Animation* animation);
// Previous and current percentages, or -1 if not yet shown.
int previous_percent_;
int current_percent_;
// Icons displayed in the bubble when increasing or decreasing the level or
// setting it to zero. Not owned by us.
SkBitmap* increase_icon_;
SkBitmap* decrease_icon_;
SkBitmap* zero_icon_;
// Currently shown bubble or NULL.
InfoBubble* bubble_;
// Its contents view, owned by InfoBubble.
SettingLevelBubbleView* view_;
ui::SlideAnimation animation_;
base::OneShotTimer<SettingLevelBubble> timeout_timer_;
DISALLOW_COPY_AND_ASSIGN(SettingLevelBubble);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_SETTING_LEVEL_BUBBLE_H_
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