| // Copyright 2016 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_SCHEDULER_WORKER_COMPOSITOR_THREAD_SCHEDULER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_WORKER_COMPOSITOR_THREAD_SCHEDULER_H_ |
| |
| #include "base/macros.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "third_party/blink/public/platform/scheduler/single_thread_idle_task_runner.h" |
| #include "third_party/blink/public/platform/web_thread_type.h" |
| #include "third_party/blink/renderer/platform/platform_export.h" |
| #include "third_party/blink/renderer/platform/scheduler/child/compositor_metrics_helper.h" |
| #include "third_party/blink/renderer/platform/scheduler/public/non_main_thread_scheduler.h" |
| #include "third_party/blink/renderer/platform/scheduler/util/task_duration_metric_reporter.h" |
| |
| namespace base { |
| class Thread; |
| } |
| |
| namespace blink { |
| namespace scheduler { |
| |
| class PLATFORM_EXPORT CompositorThreadScheduler |
| : public NonMainThreadScheduler, |
| public SingleThreadIdleTaskRunner::Delegate { |
| public: |
| CompositorThreadScheduler( |
| base::Thread* thread, |
| std::unique_ptr<TaskQueueManager> task_queue_manager); |
| |
| ~CompositorThreadScheduler() override; |
| |
| // NonMainThreadScheduler: |
| scoped_refptr<WorkerTaskQueue> DefaultTaskQueue() override; |
| void OnTaskCompleted(WorkerTaskQueue* worker_task_queue, |
| const TaskQueue::Task& task, |
| base::TimeTicks start, |
| base::TimeTicks end, |
| base::Optional<base::TimeDelta> thread_time) override; |
| |
| // WebThreadScheduler: |
| scoped_refptr<base::SingleThreadTaskRunner> DefaultTaskRunner() override; |
| scoped_refptr<scheduler::SingleThreadIdleTaskRunner> IdleTaskRunner() |
| override; |
| scoped_refptr<base::SingleThreadTaskRunner> IPCTaskRunner() override; |
| bool ShouldYieldForHighPriorityWork() override; |
| bool CanExceedIdleDeadlineIfRequired() const override; |
| void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer) override; |
| void RemoveTaskObserver( |
| base::MessageLoop::TaskObserver* task_observer) override; |
| void Shutdown() override; |
| |
| // SingleThreadIdleTaskRunner::Delegate: |
| void OnIdleTaskPosted() override; |
| base::TimeTicks WillProcessIdleTask() override; |
| void DidProcessIdleTask() override; |
| base::TimeTicks NowTicks() override; |
| |
| protected: |
| // NonMainThreadScheduler: |
| void InitImpl() override; |
| |
| private: |
| base::Thread* thread_; |
| |
| CompositorMetricsHelper compositor_metrics_helper_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CompositorThreadScheduler); |
| }; |
| |
| } // namespace scheduler |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_WORKER_COMPOSITOR_THREAD_SCHEDULER_H_ |