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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 PDF_FADING_CONTROL_H_
#define PDF_FADING_CONTROL_H_
#include "pdf/control.h"
namespace chrome_pdf {
class FadingControl : public Control {
public:
FadingControl();
virtual ~FadingControl();
virtual void OnTimerFired(uint32 timer_id);
// Fade In/Out control depending on visible flag over the time of time_ms.
virtual void Fade(bool visible, uint32 time_ms);
virtual void OnFadeInComplete() {}
virtual void OnFadeOutComplete() {}
private:
int alpha_shift_;
uint32 timer_id_;
};
} // namespace chrome_pdf
#endif // PDF_FADING_CONTROL_H_
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