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Side by Side Diff: components/scheduler/child/web_scheduler_impl.h

Issue 1101703003: Adds a SHUTDOWN_TASK_QUEUE and a PreShutdown api to the scheduler. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase of DOOM Created 5 years, 8 months ago
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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 CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ 5 #ifndef CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_
6 #define CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ 6 #define CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_
7 7
8 #include "base/memory/ref_counted.h" 8 #include "base/memory/ref_counted.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "base/time/time.h" 10 #include "base/time/time.h"
11 #include "components/scheduler/scheduler_export.h" 11 #include "components/scheduler/scheduler_export.h"
12 #include "third_party/WebKit/public/platform/WebScheduler.h" 12 #include "third_party/WebKit/public/platform/WebScheduler.h"
13 #include "third_party/WebKit/public/platform/WebThread.h" 13 #include "third_party/WebKit/public/platform/WebThread.h"
14 14
15 namespace base { 15 namespace base {
16 class SingleThreadTaskRunner; 16 class SingleThreadTaskRunner;
17 } 17 }
18 18
19 namespace scheduler { 19 namespace scheduler {
20 20
21 class ChildScheduler; 21 class ChildScheduler;
22 class SingleThreadIdleTaskRunner; 22 class SingleThreadIdleTaskRunner;
23 23
24 class SCHEDULER_EXPORT WebSchedulerImpl : public blink::WebScheduler { 24 class SCHEDULER_EXPORT WebSchedulerImpl : public blink::WebScheduler {
25 public: 25 public:
26 WebSchedulerImpl( 26 WebSchedulerImpl(
27 ChildScheduler* child_scheduler, 27 ChildScheduler* child_scheduler,
28 scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner, 28 scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner,
29 scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner, 29 scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner,
30 scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner); 30 scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner,
31 scoped_refptr<base::SingleThreadTaskRunner> shutdown_task_runner);
31 ~WebSchedulerImpl() override; 32 ~WebSchedulerImpl() override;
32 33
33 // blink::WebScheduler implementation: 34 // blink::WebScheduler implementation:
34 virtual bool shouldYieldForHighPriorityWork(); 35 virtual bool shouldYieldForHighPriorityWork();
35 virtual bool canExceedIdleDeadlineIfRequired(); 36 virtual bool canExceedIdleDeadlineIfRequired();
36 virtual void postIdleTask(const blink::WebTraceLocation& location, 37 virtual void postIdleTask(const blink::WebTraceLocation& location,
37 blink::WebThread::IdleTask* task); 38 blink::WebThread::IdleTask* task);
38 virtual void postNonNestableIdleTask(const blink::WebTraceLocation& location, 39 virtual void postNonNestableIdleTask(const blink::WebTraceLocation& location,
39 blink::WebThread::IdleTask* task); 40 blink::WebThread::IdleTask* task);
40 virtual void postIdleTaskAfterWakeup(const blink::WebTraceLocation& location, 41 virtual void postIdleTaskAfterWakeup(const blink::WebTraceLocation& location,
41 blink::WebThread::IdleTask* task); 42 blink::WebThread::IdleTask* task);
42 virtual void postLoadingTask(const blink::WebTraceLocation& location, 43 virtual void postLoadingTask(const blink::WebTraceLocation& location,
43 blink::WebThread::Task* task); 44 blink::WebThread::Task* task);
44 virtual void postTimerTask(const blink::WebTraceLocation& location, 45 virtual void postTimerTask(const blink::WebTraceLocation& location,
45 blink::WebThread::Task* task, 46 blink::WebThread::Task* task,
46 long long delayMs); 47 long long delayMs);
48 virtual void postShutdownTask(const blink::WebTraceLocation& location,
49 blink::WebThread::Task* task,
50 long long delayMs);
51 virtual void preShutdown();
Sami 2015/04/23 13:14:03 minor nit about naming: the pre/post kind of clash
alex clarke (OOO till 29th) 2015/04/23 17:34:32 could call it disableAllButShutdownTasks()?
Sami 2015/04/24 10:38:40 I think it's the fact that it's a less like a verb
47 52
48 private: 53 private:
49 static void runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task, 54 static void runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task,
50 base::TimeTicks deadline); 55 base::TimeTicks deadline);
51 static void runTask(scoped_ptr<blink::WebThread::Task> task); 56 static void runTask(scoped_ptr<blink::WebThread::Task> task);
52 57
53 ChildScheduler* child_scheduler_; // NOT OWNED 58 ChildScheduler* child_scheduler_; // NOT OWNED
54 scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_; 59 scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
55 scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_; 60 scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_;
56 scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner_; 61 scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner_;
62 scoped_refptr<base::SingleThreadTaskRunner> shutdown_task_runner_;
57 }; 63 };
58 64
59 } // namespace scheduler 65 } // namespace scheduler
60 66
61 #endif // CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_ 67 #endif // CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_
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