flutter::testing::ConstantFiringVsyncWaiter Class Reference

#include <vsync_waiters_test.h>

Inheritance diagram for flutter::testing::ConstantFiringVsyncWaiter:

Public Member Functions
	ConstantFiringVsyncWaiter (const TaskRunners &task_runners)
Public Member Functions inherited from flutter::VsyncWaiter
virtual	~VsyncWaiter ()
void	AsyncWaitForVsync (const Callback &callback)
void	ScheduleSecondaryCallback (uintptr_t id, const fml::closure &callback)

Static Public Attributes
static constexpr fml::TimePoint	kFrameBeginTime
static constexpr fml::TimePoint	kFrameTargetTime

Protected Member Functions
void	AwaitVSync () override
Protected Member Functions inherited from flutter::VsyncWaiter
	VsyncWaiter (const TaskRunners &task_runners)
virtual void	AwaitVSyncForSecondaryCallback ()
void	FireCallback (fml::TimePoint frame_start_time, fml::TimePoint frame_target_time, bool pause_secondary_tasks=true)

Additional Inherited Members
Public Types inherited from flutter::VsyncWaiter
using	Callback = std::function< void(std::unique_ptr< FrameTimingsRecorder >)>
Protected Attributes inherited from flutter::VsyncWaiter
const TaskRunners	task_runners_

Detailed Description

Definition at line 46 of file vsync_waiters_test.h.

Constructor & Destructor Documentation

ConstantFiringVsyncWaiter()

flutter::testing::ConstantFiringVsyncWaiter::ConstantFiringVsyncWaiter ( const TaskRunners &  task_runners )

inlineexplicit

Definition at line 54 of file vsync_waiters_test.h.

      : VsyncWaiter(task_runners) {}

Member Function Documentation

AwaitVSync()

void flutter::testing::ConstantFiringVsyncWaiter::AwaitVSync ( )

overrideprotectedvirtual

Implements flutter::VsyncWaiter.

Definition at line 59 of file vsync_waiters_test.cc.

                                           {
  FML_DCHECK(task_runners_.GetUITaskRunner()->RunsTasksOnCurrentThread());
  auto async_wait = std::async([this]() {
    task_runners_.GetPlatformTaskRunner()->PostTask(
        [this]() { FireCallback(kFrameBeginTime, kFrameTargetTime); });
  });
}

References flutter::VsyncWaiter::FireCallback(), FML_DCHECK, flutter::TaskRunners::GetPlatformTaskRunner(), flutter::TaskRunners::GetUITaskRunner(), kFrameBeginTime, kFrameTargetTime, fml::TaskRunner::RunsTasksOnCurrentThread(), and flutter::VsyncWaiter::task_runners_.

Member Data Documentation

kFrameBeginTime

constexpr fml::TimePoint flutter::testing::ConstantFiringVsyncWaiter::kFrameBeginTime

staticconstexpr

Initial value:

=
      fml::TimePoint::FromEpochDelta(fml::TimeDelta::FromSeconds(0))

Definition at line 49 of file vsync_waiters_test.h.

Referenced by AwaitVSync().

kFrameTargetTime

constexpr fml::TimePoint flutter::testing::ConstantFiringVsyncWaiter::kFrameTargetTime

staticconstexpr

Initial value:

=
      fml::TimePoint::FromEpochDelta(fml::TimeDelta::FromSeconds(100))

Definition at line 51 of file vsync_waiters_test.h.

Referenced by AwaitVSync(), and flutter::testing::TEST_F().

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The documentation for this class was generated from the following files:

• shell/common/vsync_waiters_test.h
• shell/common/vsync_waiters_test.cc