components/scheduler/child/web_task_runner_impl.h

   1 // Copyright 2015 The Chromium 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 COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_
   6 #define COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "components/scheduler/scheduler_export.h"
  12 #include "third_party/WebKit/public/platform/WebTaskRunner.h"
  13
  14 namespace base {
  15 class SingleThreadTaskRunner;
  16 }  // namespace base
  17
  18 namespace scheduler {
  19
  20 class SCHEDULER_EXPORT WebTaskRunnerImpl : public blink::WebTaskRunner {
  21  public:
  22   explicit WebTaskRunnerImpl(
  23       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
  24
  25   ~WebTaskRunnerImpl() override;
  26
  27   const scoped_refptr<base::SingleThreadTaskRunner>& task_runner() const {
  28     return task_runner_;
  29   }
  30
  31   // blink::WebTaskRunner implementation:
  32   virtual void postTask(const blink::WebTraceLocation& web_location,
  33                         blink::WebTaskRunner::Task* task);
  34   // TODO(alexclarke): Remove this when possible.
  35   virtual void postDelayedTask(const blink::WebTraceLocation& web_location,
  36                                blink::WebTaskRunner::Task* task,
  37                                long long delayMs);
  38   virtual void postDelayedTask(const blink::WebTraceLocation& web_location,
  39                                blink::WebTaskRunner::Task* task,
  40                                double delayMs);
  41
  42  private:
  43   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(WebTaskRunnerImpl);
  46 };
  47
  48 }  // namespace scheduler
  49
  50 #endif  // COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_