mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright 2015 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 FLUTTER_SHELL_COMMON_VSYNC_WAITER_H_
|
|
#define FLUTTER_SHELL_COMMON_VSYNC_WAITER_H_
|
|
|
|
#include <functional>
|
|
#include <memory>
|
|
#include <mutex>
|
|
|
|
#include "flutter/common/task_runners.h"
|
|
#include "lib/fxl/time/time_point.h"
|
|
|
|
namespace shell {
|
|
|
|
class VsyncWaiter {
|
|
public:
|
|
using Callback = std::function<void(fxl::TimePoint frame_start_time,
|
|
fxl::TimePoint frame_target_time)>;
|
|
|
|
virtual ~VsyncWaiter();
|
|
|
|
void AsyncWaitForVsync(Callback callback);
|
|
|
|
protected:
|
|
const blink::TaskRunners task_runners_;
|
|
std::mutex callback_mutex_;
|
|
Callback callback_;
|
|
|
|
VsyncWaiter(blink::TaskRunners task_runners);
|
|
|
|
virtual void AwaitVSync() = 0;
|
|
|
|
void FireCallback(fxl::TimePoint frame_start_time,
|
|
fxl::TimePoint frame_target_time);
|
|
|
|
FXL_DISALLOW_COPY_AND_ASSIGN(VsyncWaiter);
|
|
};
|
|
|
|
} // namespace shell
|
|
|
|
#endif // FLUTTER_SHELL_COMMON_VSYNC_WAITER_H_
|