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vsync_waiter_embedder.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef SHELL_PLATFORM_EMBEDDER_VSYNC_WAITER_EMBEDDER_H_
6 #define SHELL_PLATFORM_EMBEDDER_VSYNC_WAITER_EMBEDDER_H_
7 
8 #include "flutter/fml/macros.h"
9 #include "flutter/shell/common/vsync_waiter.h"
10 
11 namespace flutter {
12 
13 class VsyncWaiterEmbedder final : public VsyncWaiter {
14  public:
15  using VsyncCallback = std::function<void(intptr_t)>;
16 
17  VsyncWaiterEmbedder(const VsyncCallback& callback,
18  flutter::TaskRunners task_runners);
19 
20  ~VsyncWaiterEmbedder() override;
21 
22  static bool OnEmbedderVsync(intptr_t baton,
23  fml::TimePoint frame_start_time,
24  fml::TimePoint frame_target_time);
25 
26  private:
27  const VsyncCallback vsync_callback_;
28 
29  // |VsyncWaiter|
30  void AwaitVSync() override;
31 
32  FML_DISALLOW_COPY_AND_ASSIGN(VsyncWaiterEmbedder);
33 };
34 
35 } // namespace flutter
36 
37 #endif // SHELL_PLATFORM_EMBEDDER_VSYNC_WAITER_EMBEDDER_H_
static bool OnEmbedderVsync(intptr_t baton, fml::TimePoint frame_start_time, fml::TimePoint frame_target_time)
VsyncWaiterEmbedder(const VsyncCallback &callback, flutter::TaskRunners task_runners)
std::function< void(intptr_t)> VsyncCallback