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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 "content/child/scheduler/worker_scheduler_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/message_loop/message_loop_proxy.h" | |
| 9 #include "base/trace_event/trace_event.h" | |
| 10 #include "base/trace_event/trace_event_argument.h" | |
| 11 #include "content/child/scheduler/nestable_single_thread_task_runner.h" | |
| 12 | |
| 13 namespace content { | |
| 14 | |
| 15 WorkerSchedulerImpl::WorkerSchedulerImpl( | |
| 16 scoped_refptr<NestableSingleThreadTaskRunner> main_task_runner) | |
| 17 : helper_(main_task_runner, | |
| 18 this, | |
| 19 "worker.scheduler", | |
| 20 TRACE_DISABLED_BY_DEFAULT("worker.scheduler"), | |
| 21 SchedulerHelper::TASK_QUEUE_COUNT, | |
| 22 base::TimeDelta::FromMilliseconds(300)) { | |
| 23 initialized_ = false; | |
| 24 TRACE_EVENT_OBJECT_CREATED_WITH_ID( | |
| 25 TRACE_DISABLED_BY_DEFAULT("worker.scheduler"), "WorkerScheduler", this); | |
| 26 } | |
| 27 | |
| 28 WorkerSchedulerImpl::~WorkerSchedulerImpl() { | |
| 29 TRACE_EVENT_OBJECT_DELETED_WITH_ID( | |
| 30 TRACE_DISABLED_BY_DEFAULT("worker.scheduler"), "WorkerScheduler", this); | |
| 31 } | |
| 32 | |
| 33 void WorkerSchedulerImpl::Init() { | |
| 34 initialized_ = true; | |
| 35 helper_.EnableLongIdlePeriod(); | |
| 36 } | |
| 37 | |
| 38 scoped_refptr<base::SingleThreadTaskRunner> | |
| 39 WorkerSchedulerImpl::DefaultTaskRunner() { | |
| 40 DCHECK(initialized_); | |
| 41 return helper_.DefaultTaskRunner(); | |
| 42 } | |
| 43 | |
| 44 scoped_refptr<SingleThreadIdleTaskRunner> | |
| 45 WorkerSchedulerImpl::IdleTaskRunner() { | |
| 46 DCHECK(initialized_); | |
| 47 return helper_.IdleTaskRunner(); | |
| 48 } | |
| 49 | |
| 50 bool WorkerSchedulerImpl::CanExceedIdleDeadlineIfRequired() const { | |
| 51 DCHECK(initialized_); | |
| 52 return helper_.CanExceedIdleDeadlineIfRequired(); | |
| 53 } | |
| 54 | |
| 55 void WorkerSchedulerImpl::AddTaskObserver( | |
| 56 base::MessageLoop::TaskObserver* task_observer) { | |
| 57 DCHECK(initialized_); | |
| 58 helper_.AddTaskObserver(task_observer); | |
| 59 } | |
| 60 | |
| 61 void WorkerSchedulerImpl::RemoveTaskObserver( | |
| 62 base::MessageLoop::TaskObserver* task_observer) { | |
| 63 DCHECK(initialized_); | |
| 64 helper_.RemoveTaskObserver(task_observer); | |
| 65 } | |
| 66 | |
| 67 void WorkerSchedulerImpl::Shutdown() { | |
| 68 DCHECK(initialized_); | |
| 69 helper_.Shutdown(); | |
| 70 } | |
| 71 | |
| 72 void WorkerSchedulerImpl::SetTimeSourceForTesting( | |
| 73 scoped_refptr<cc::TestNowSource> time_source) { | |
| 74 helper_.SetTimeSourceForTesting(time_source); | |
| 75 } | |
| 76 | |
| 77 void WorkerSchedulerImpl::SetWorkBatchSizeForTesting(size_t work_batch_size) { | |
| 78 helper_.SetWorkBatchSizeForTesting(work_batch_size); | |
| 79 } | |
| 80 | |
| 81 bool WorkerSchedulerImpl::CanEnterLongIdlePeriod(base::TimeTicks, | |
| 82 base::TimeDelta*) { | |
| 83 return true; | |
| 84 } | |
| 85 | |
| 86 base::TimeTicks WorkerSchedulerImpl::CurrentIdleTaskDeadlineForTesting() const { | |
| 87 base::TimeTicks deadline; | |
| 88 helper_.CurrentIdleTaskDeadlineCallback(&deadline); | |
| 89 return deadline; | |
| 90 } | |
| 91 | |
| 92 } // namespace content | |
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Chromium Code Reviews
Issue 1088933002:
Revert of Add a WorkerScheduler and a WebThreadImplForWorker (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master