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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 #include "components/scheduler/renderer/throttling_helper.h" | 5 #include "platform/scheduler/renderer/throttling_helper.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "components/scheduler/base/real_time_domain.h" | 8 #include "platform/scheduler/base/real_time_domain.h" |
| 9 #include "components/scheduler/child/scheduler_tqm_delegate.h" | 9 #include "platform/scheduler/child/scheduler_tqm_delegate.h" |
| 10 #include "components/scheduler/renderer/auto_advancing_virtual_time_domain.h" | 10 #include "platform/scheduler/renderer/auto_advancing_virtual_time_domain.h" |
| 11 #include "components/scheduler/renderer/renderer_scheduler_impl.h" | 11 #include "platform/scheduler/renderer/renderer_scheduler_impl.h" |
| 12 #include "components/scheduler/renderer/throttled_time_domain.h" | 12 #include "platform/scheduler/renderer/throttled_time_domain.h" |
| 13 #include "components/scheduler/renderer/web_frame_scheduler_impl.h" | 13 #include "platform/scheduler/renderer/web_frame_scheduler_impl.h" |
| 14 #include "third_party/WebKit/public/platform/WebFrameScheduler.h" | 14 #include "public/platform/WebFrameScheduler.h" |
| 15 | 15 |
| 16 namespace blink { |
| 16 namespace scheduler { | 17 namespace scheduler { |
| 17 | 18 |
| 18 ThrottlingHelper::ThrottlingHelper(RendererSchedulerImpl* renderer_scheduler, | 19 ThrottlingHelper::ThrottlingHelper(RendererSchedulerImpl* renderer_scheduler, |
| 19 const char* tracing_category) | 20 const char* tracing_category) |
| 20 : task_runner_(renderer_scheduler->ControlTaskRunner()), | 21 : task_runner_(renderer_scheduler->ControlTaskRunner()), |
| 21 renderer_scheduler_(renderer_scheduler), | 22 renderer_scheduler_(renderer_scheduler), |
| 22 tick_clock_(renderer_scheduler->tick_clock()), | 23 tick_clock_(renderer_scheduler->tick_clock()), |
| 23 tracing_category_(tracing_category), | 24 tracing_category_(tracing_category), |
| 24 time_domain_(new ThrottledTimeDomain(this, tracing_category)), | 25 time_domain_(new ThrottledTimeDomain(this, tracing_category)), |
| 25 virtual_time_(false), | 26 virtual_time_(false), |
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| 161 MaybeSchedulePumpThrottledTasksLocked(FROM_HERE, lazy_low.Now(), | 162 MaybeSchedulePumpThrottledTasksLocked(FROM_HERE, lazy_low.Now(), |
| 162 next_scheduled_delayed_task); | 163 next_scheduled_delayed_task); |
| 163 } | 164 } |
| 164 } | 165 } |
| 165 | 166 |
| 166 /* static */ | 167 /* static */ |
| 167 base::TimeTicks ThrottlingHelper::ThrottledRunTime( | 168 base::TimeTicks ThrottlingHelper::ThrottledRunTime( |
| 168 base::TimeTicks unthrottled_runtime) { | 169 base::TimeTicks unthrottled_runtime) { |
| 169 const base::TimeDelta one_second = base::TimeDelta::FromSeconds(1); | 170 const base::TimeDelta one_second = base::TimeDelta::FromSeconds(1); |
| 170 return unthrottled_runtime + one_second - | 171 return unthrottled_runtime + one_second - |
| 171 ((unthrottled_runtime - base::TimeTicks()) % one_second); | 172 ((unthrottled_runtime - base::TimeTicks()) % one_second); |
| 172 } | 173 } |
| 173 | 174 |
| 174 void ThrottlingHelper::MaybeSchedulePumpThrottledTasksLocked( | 175 void ThrottlingHelper::MaybeSchedulePumpThrottledTasksLocked( |
| 175 const tracked_objects::Location& from_here, | 176 const tracked_objects::Location& from_here, |
| 176 base::TimeTicks now, | 177 base::TimeTicks now, |
| 177 base::TimeTicks unthrottled_runtime) { | 178 base::TimeTicks unthrottled_runtime) { |
| 178 if (virtual_time_) | 179 if (virtual_time_) |
| 179 return; | 180 return; |
| 180 | 181 |
| 181 base::TimeTicks throttled_runtime = | 182 base::TimeTicks throttled_runtime = |
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| 210 | 211 |
| 211 throttled_queues_.erase(throttled_queues_.begin()); | 212 throttled_queues_.erase(throttled_queues_.begin()); |
| 212 | 213 |
| 213 task_queue->SetTimeDomain(renderer_scheduler_->GetVirtualTimeDomain()); | 214 task_queue->SetTimeDomain(renderer_scheduler_->GetVirtualTimeDomain()); |
| 214 task_queue->SetPumpPolicy(TaskQueue::PumpPolicy::AUTO); | 215 task_queue->SetPumpPolicy(TaskQueue::PumpPolicy::AUTO); |
| 215 task_queue->SetQueueEnabled(enabled); | 216 task_queue->SetQueueEnabled(enabled); |
| 216 } | 217 } |
| 217 } | 218 } |
| 218 | 219 |
| 219 } // namespace scheduler | 220 } // namespace scheduler |
| 221 } // namespace blink |
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