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// 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 CHROME_BROWSER_SPEECH_SPEECH_RECOGNITION_TRAY_ICON_CONTROLLER_H_
#define CHROME_BROWSER_SPEECH_SPEECH_RECOGNITION_TRAY_ICON_CONTROLLER_H_
#pragma once
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/string16.h"
class Extension;
class SkBitmap;
class SkCanvas;
class StatusIcon;
namespace gfx {
class ImageSkia;
}
// Manages the tray icon for speech recognition.
class SpeechRecognitionTrayIconController
: public base::RefCountedThreadSafe<SpeechRecognitionTrayIconController> {
public:
SpeechRecognitionTrayIconController();
void Show(const string16& tooltip, bool show_balloon);
void Hide();
void SetVUMeterVolume(float volume);
private:
friend class base::RefCountedThreadSafe<SpeechRecognitionTrayIconController>;
virtual ~SpeechRecognitionTrayIconController();
void Initialize();
void DrawVolume(SkCanvas* canvas, const gfx::ImageSkia& image, float volume);
void ShowNotificationBalloon(const string16& text);
scoped_ptr<SkBitmap> mic_image_;
scoped_ptr<SkBitmap> buffer_image_;
StatusIcon* tray_icon_;
};
#endif // CHROME_BROWSER_SPEECH_SPEECH_RECOGNITION_TRAY_ICON_CONTROLLER_H_
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