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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ | 5 #ifndef COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ |
6 #define COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ | 6 #define COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/time/time.h" |
11 #include "components/scheduler/scheduler_export.h" | 12 #include "components/scheduler/scheduler_export.h" |
12 #include "third_party/WebKit/public/platform/WebTaskRunner.h" | 13 #include "third_party/WebKit/public/platform/WebTaskRunner.h" |
13 | 14 |
14 namespace scheduler { | 15 namespace scheduler { |
15 class TaskQueue; | 16 class TaskQueue; |
16 | 17 |
17 class SCHEDULER_EXPORT WebTaskRunnerImpl : public blink::WebTaskRunner { | 18 class SCHEDULER_EXPORT WebTaskRunnerImpl : public blink::WebTaskRunner { |
18 public: | 19 public: |
19 explicit WebTaskRunnerImpl(scoped_refptr<TaskQueue> task_queue); | 20 explicit WebTaskRunnerImpl(scoped_refptr<TaskQueue> task_queue); |
20 | 21 |
21 ~WebTaskRunnerImpl() override; | 22 ~WebTaskRunnerImpl() override; |
22 | 23 |
23 // blink::WebTaskRunner implementation: | 24 // blink::WebTaskRunner implementation: |
24 void postTask(const blink::WebTraceLocation& web_location, | 25 void postTask(const blink::WebTraceLocation& web_location, |
25 blink::WebTaskRunner::Task* task) override; | 26 blink::WebTaskRunner::Task* task) override; |
26 void postDelayedTask(const blink::WebTraceLocation& web_location, | 27 void postDelayedTask(const blink::WebTraceLocation& web_location, |
27 blink::WebTaskRunner::Task* task, | 28 blink::WebTaskRunner::Task* task, |
28 double delayMs) override; | 29 double delayMs) override; |
| 30 double virtualTimeSeconds() const override; |
| 31 double monotonicallyIncreasingVirtualTimeSeconds() const override; |
29 blink::WebTaskRunner* clone() override; | 32 blink::WebTaskRunner* clone() override; |
30 | 33 |
31 // blink::WebTaskRunner::Task should be wrapped by base::Passed() when | 34 // blink::WebTaskRunner::Task should be wrapped by base::Passed() when |
32 // used with base::Bind(). See https://crbug.com/551356. | 35 // used with base::Bind(). See https://crbug.com/551356. |
33 // runTask() is a helper to call blink::WebTaskRunner::Task::run from | 36 // runTask() is a helper to call blink::WebTaskRunner::Task::run from |
34 // scoped_ptr<blink::WebTaskRunner::Task>. | 37 // scoped_ptr<blink::WebTaskRunner::Task>. |
35 // runTask() is placed here because scoped_ptr<> cannot be used from Blink. | 38 // runTask() is placed here because scoped_ptr<> cannot be used from Blink. |
36 static void runTask(scoped_ptr<blink::WebTaskRunner::Task>); | 39 static void runTask(scoped_ptr<blink::WebTaskRunner::Task>); |
37 | 40 |
38 private: | 41 private: |
| 42 base::TimeTicks Now() const; |
| 43 |
39 scoped_refptr<TaskQueue> task_queue_; | 44 scoped_refptr<TaskQueue> task_queue_; |
40 | 45 |
41 DISALLOW_COPY_AND_ASSIGN(WebTaskRunnerImpl); | 46 DISALLOW_COPY_AND_ASSIGN(WebTaskRunnerImpl); |
42 }; | 47 }; |
43 | 48 |
44 } // namespace scheduler | 49 } // namespace scheduler |
45 | 50 |
46 #endif // COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ | 51 #endif // COMPONENTS_SCHEDULER_CHILD_WEB_TASK_RUNNER_H_ |
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