| // 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 CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ |
| #define CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/time/time.h" |
| #include "components/scheduler/scheduler_export.h" |
| #include "third_party/WebKit/public/platform/WebScheduler.h" |
| #include "third_party/WebKit/public/platform/WebThread.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace scheduler { |
| |
| class ChildScheduler; |
| class SingleThreadIdleTaskRunner; |
| class TaskQueue; |
| |
| class SCHEDULER_EXPORT WebSchedulerImpl : public blink::WebScheduler { |
| public: |
| WebSchedulerImpl( |
| ChildScheduler* child_scheduler, |
| scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner, |
| scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner, |
| scoped_refptr<TaskQueue> timer_task_runner); |
| ~WebSchedulerImpl() override; |
| |
| // blink::WebScheduler implementation: |
| virtual void shutdown(); |
| virtual bool shouldYieldForHighPriorityWork(); |
| virtual bool canExceedIdleDeadlineIfRequired(); |
| virtual void postIdleTask(const blink::WebTraceLocation& location, |
| blink::WebThread::IdleTask* task); |
| virtual void postNonNestableIdleTask(const blink::WebTraceLocation& location, |
| blink::WebThread::IdleTask* task); |
| virtual void postIdleTaskAfterWakeup(const blink::WebTraceLocation& location, |
| blink::WebThread::IdleTask* task); |
| virtual void postLoadingTask(const blink::WebTraceLocation& location, |
| blink::WebThread::Task* task); |
| // TODO(alexclarke): Remove when possible. |
| virtual void postTimerTaskAt(const blink::WebTraceLocation& location, |
| blink::WebThread::Task* task, |
| double monotonicTime); |
| virtual void postTimerTask(const blink::WebTraceLocation& location, |
| blink::WebThread::Task* task, |
| double delaySecs); |
| // TODO(alexclarke): Remove once the Blink side patch lands. |
| virtual void postTimerTask(const blink::WebTraceLocation& location, |
| blink::WebThread::Task* task, |
| long long delayMs); |
| |
| private: |
| static void runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task, |
| base::TimeTicks deadline); |
| static void runTask(scoped_ptr<blink::WebThread::Task> task); |
| |
| ChildScheduler* child_scheduler_; // NOT OWNED |
| scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_; |
| scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_; |
| scoped_refptr<TaskQueue> timer_task_runner_; |
| }; |
| |
| } // namespace scheduler |
| |
| #endif // CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ |