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| 1 // Copyright 2014 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 #include "config.h" | |
| 6 #include "platform/scheduler/Scheduler.h" | |
| 7 | |
| 8 #include "public/platform/Platform.h" | |
| 9 #include "public/platform/WebScheduler.h" | |
| 10 #include "public/platform/WebTraceLocation.h" | |
| 11 | |
| 12 namespace blink { | |
| 13 | |
| 14 class IdleTaskRunner : public WebThread::IdleTask { | |
| 15 WTF_MAKE_NONCOPYABLE(IdleTaskRunner); | |
| 16 | |
| 17 public: | |
| 18 explicit IdleTaskRunner(PassOwnPtr<Scheduler::IdleTask> task) | |
| 19 : m_task(task) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 ~IdleTaskRunner() override | |
| 24 { | |
| 25 } | |
| 26 | |
| 27 // WebThread::IdleTask implementation. | |
| 28 void run(double deadlineSeconds) override | |
| 29 { | |
| 30 (*m_task)(deadlineSeconds); | |
| 31 } | |
| 32 private: | |
| 33 OwnPtr<Scheduler::IdleTask> m_task; | |
| 34 }; | |
| 35 | |
| 36 Scheduler* Scheduler::s_sharedScheduler = nullptr; | |
| 37 | |
| 38 void Scheduler::shutdown() | |
| 39 { | |
| 40 delete s_sharedScheduler; | |
| 41 s_sharedScheduler = nullptr; | |
| 42 } | |
| 43 | |
| 44 Scheduler* Scheduler::shared() | |
| 45 { | |
| 46 if (!s_sharedScheduler) | |
| 47 s_sharedScheduler = new Scheduler(Platform::current()->scheduler()); | |
| 48 return s_sharedScheduler; | |
| 49 } | |
| 50 | |
| 51 void Scheduler::setForTesting(Scheduler* scheduler) | |
| 52 { | |
| 53 s_sharedScheduler = scheduler; | |
| 54 } | |
| 55 | |
| 56 Scheduler::Scheduler(WebScheduler* webScheduler) | |
| 57 : m_webScheduler(webScheduler) | |
| 58 { | |
| 59 } | |
| 60 | |
| 61 Scheduler::~Scheduler() | |
| 62 { | |
| 63 } | |
| 64 | |
| 65 void Scheduler::postIdleTask(const WebTraceLocation& location, PassOwnPtr<IdleTa
sk> idleTask) | |
| 66 { | |
| 67 if (m_webScheduler) | |
| 68 m_webScheduler->postIdleTask(location, new IdleTaskRunner(idleTask)); | |
| 69 } | |
| 70 | |
| 71 void Scheduler::postNonNestableIdleTask(const WebTraceLocation& location, PassOw
nPtr<IdleTask> idleTask) | |
| 72 { | |
| 73 if (m_webScheduler) | |
| 74 m_webScheduler->postNonNestableIdleTask(location, new IdleTaskRunner(idl
eTask)); | |
| 75 } | |
| 76 | |
| 77 void Scheduler::postIdleTaskAfterWakeup(const WebTraceLocation& location, PassOw
nPtr<IdleTask> idleTask) | |
| 78 { | |
| 79 if (m_webScheduler) | |
| 80 m_webScheduler->postIdleTaskAfterWakeup(location, new IdleTaskRunner(idl
eTask)); | |
| 81 } | |
| 82 | |
| 83 void Scheduler::postLoadingTask(const WebTraceLocation& location, WebThread::Tas
k* task) | |
| 84 { | |
| 85 if (m_webScheduler) | |
| 86 m_webScheduler->postLoadingTask(location, task); | |
| 87 } | |
| 88 | |
| 89 bool Scheduler::shouldYieldForHighPriorityWork() const | |
| 90 { | |
| 91 if (m_webScheduler) | |
| 92 return m_webScheduler->shouldYieldForHighPriorityWork(); | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 bool Scheduler::canExceedIdleDeadlineIfRequired() const | |
| 97 { | |
| 98 if (m_webScheduler) | |
| 99 return m_webScheduler->canExceedIdleDeadlineIfRequired(); | |
| 100 return false; | |
| 101 } | |
| 102 | |
| 103 } // namespace blink | |
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Chromium Code Reviews
Issue 1087203002:
Patch 2/3 to get WebScheduler via WebThread (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master