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// Copyright 2018 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_ANDROID_H_
#include "content/browser/renderer_host/input/fling_scheduler_base.h"
#include "content/common/content_export.h"
#include "ui/android/window_android.h"
#include "ui/android/window_android_observer.h"
namespace content {
class RenderWidgetHostImpl;
class CONTENT_EXPORT FlingSchedulerAndroid : public FlingSchedulerBase,
public ui::WindowAndroidObserver {
public:
explicit FlingSchedulerAndroid(RenderWidgetHostImpl* host);
~FlingSchedulerAndroid() override;
// FlingControllerSchedulerClient
void ScheduleFlingProgress(
base::WeakPtr<FlingController> fling_controller) override;
void DidStopFlingingOnBrowser(
base::WeakPtr<FlingController> fling_controller) override;
bool NeedsBeginFrameForFlingProgress() override;
// FlingSchedulerBase
void ProgressFlingOnBeginFrameIfneeded(base::TimeTicks current_time) override;
protected:
RenderWidgetHostImpl* host_;
base::WeakPtr<FlingController> fling_controller_;
private:
ui::WindowAndroid* GetRootWindow();
// WindowAndroidObserver implementation.
void OnCompositingDidCommit() override {}
void OnRootWindowVisibilityChanged(bool visible) override {}
void OnAttachCompositor() override {}
void OnDetachCompositor() override;
void OnAnimate(base::TimeTicks frame_begin_time) override;
void OnActivityStopped() override {}
void OnActivityStarted() override {}
ui::WindowAndroid* observed_window_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(FlingSchedulerAndroid);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_ANDROID_H_
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