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// Copyright 2013 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 UI_ANDROID_WINDOW_ANDROID_OBSERVER_H_
#define UI_ANDROID_WINDOW_ANDROID_OBSERVER_H_
#include "ui/android/ui_android_export.h"
namespace ui {
class UI_ANDROID_EXPORT WindowAndroidObserver {
public:
virtual void OnCompositingDidCommit() = 0;
virtual void OnAttachCompositor() = 0;
virtual void OnDetachCompositor() = 0;
virtual void OnVSync(base::TimeTicks frame_time,
base::TimeDelta vsync_period) = 0;
virtual void OnAnimate(base::TimeTicks frame_begin_time) {}
protected:
virtual ~WindowAndroidObserver() {}
};
} // namespace ui
#endif // UI_ANDROID_WINDOW_ANDROID_OBSERVER_H_
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