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// Copyright 2020 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_COMPOSITING_QUEUE_REPORT_TIME_SWAP_PROMISE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_COMPOSITING_QUEUE_REPORT_TIME_SWAP_PROMISE_H_
#include "base/memory/scoped_refptr.h"
#include "base/single_thread_task_runner.h"
#include "build/build_config.h"
#include "cc/trees/swap_promise.h"
namespace blink {
// This class invokes DrainCallback to drain queued callbacks for frame numbers
// lower or equal to |source_frame_number| when the commit results in a
// successful activation of the pending layer tree in swap promise.
//
// This class doesn't have the reporting callback of the swap time.
class QueueReportTimeSwapPromise : public cc::SwapPromise {
public:
using DrainCallback = base::OnceCallback<void(int)>;
QueueReportTimeSwapPromise(
int source_frame_number,
DrainCallback drain_callback,
base::OnceClosure swap_callback,
scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner);
~QueueReportTimeSwapPromise() override;
QueueReportTimeSwapPromise(const QueueReportTimeSwapPromise&) = delete;
QueueReportTimeSwapPromise& operator=(const QueueReportTimeSwapPromise&) =
delete;
void WillSwap(viz::CompositorFrameMetadata* metadata) override;
void DidSwap() override;
cc::SwapPromise::DidNotSwapAction DidNotSwap(
DidNotSwapReason reason) override;
void DidActivate() override;
int64_t TraceId() const override { return 0; }
private:
int source_frame_number_;
DrainCallback drain_callback_;
base::OnceClosure swap_callback_;
#if defined(OS_ANDROID)
const bool call_swap_on_activate_;
#endif
scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_COMPOSITING_QUEUE_REPORT_TIME_SWAP_PROMISE_H_
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