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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "content/renderer/input/main_thread_event_queue.h" | 5 #include "content/renderer/input/main_thread_event_queue.h" |
6 | 6 |
7 #include "base/metrics/field_trial.h" | 7 #include "base/metrics/field_trial.h" |
8 #include "base/metrics/histogram_macros.h" | 8 #include "base/metrics/histogram_macros.h" |
9 #include "base/strings/string_number_conversions.h" | 9 #include "base/strings/string_number_conversions.h" |
10 #include "content/common/input/event_with_latency_info.h" | 10 #include "content/common/input/event_with_latency_info.h" |
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194 }; | 194 }; |
195 | 195 |
196 MainThreadEventQueue::SharedState::SharedState() | 196 MainThreadEventQueue::SharedState::SharedState() |
197 : sent_main_frame_request_(false), sent_post_task_(false) {} | 197 : sent_main_frame_request_(false), sent_post_task_(false) {} |
198 | 198 |
199 MainThreadEventQueue::SharedState::~SharedState() {} | 199 MainThreadEventQueue::SharedState::~SharedState() {} |
200 | 200 |
201 MainThreadEventQueue::MainThreadEventQueue( | 201 MainThreadEventQueue::MainThreadEventQueue( |
202 MainThreadEventQueueClient* client, | 202 MainThreadEventQueueClient* client, |
203 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner, | 203 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner, |
204 blink::scheduler::RendererScheduler* renderer_scheduler) | 204 blink::scheduler::RendererScheduler* renderer_scheduler, |
| 205 bool allow_raf_aligned_input) |
205 : client_(client), | 206 : client_(client), |
206 last_touch_start_forced_nonblocking_due_to_fling_(false), | 207 last_touch_start_forced_nonblocking_due_to_fling_(false), |
207 enable_fling_passive_listener_flag_(base::FeatureList::IsEnabled( | 208 enable_fling_passive_listener_flag_(base::FeatureList::IsEnabled( |
208 features::kPassiveEventListenersDueToFling)), | 209 features::kPassiveEventListenersDueToFling)), |
209 enable_non_blocking_due_to_main_thread_responsiveness_flag_( | 210 enable_non_blocking_due_to_main_thread_responsiveness_flag_( |
210 base::FeatureList::IsEnabled( | 211 base::FeatureList::IsEnabled( |
211 features::kMainThreadBusyScrollIntervention)), | 212 features::kMainThreadBusyScrollIntervention)), |
212 handle_raf_aligned_touch_input_( | 213 handle_raf_aligned_touch_input_( |
| 214 allow_raf_aligned_input && |
213 base::FeatureList::IsEnabled(features::kRafAlignedTouchInputEvents)), | 215 base::FeatureList::IsEnabled(features::kRafAlignedTouchInputEvents)), |
214 handle_raf_aligned_mouse_input_( | 216 handle_raf_aligned_mouse_input_( |
| 217 allow_raf_aligned_input && |
215 base::FeatureList::IsEnabled(features::kRafAlignedMouseInputEvents)), | 218 base::FeatureList::IsEnabled(features::kRafAlignedMouseInputEvents)), |
216 main_task_runner_(main_task_runner), | 219 main_task_runner_(main_task_runner), |
217 renderer_scheduler_(renderer_scheduler) { | 220 renderer_scheduler_(renderer_scheduler) { |
218 if (enable_non_blocking_due_to_main_thread_responsiveness_flag_) { | 221 if (enable_non_blocking_due_to_main_thread_responsiveness_flag_) { |
219 std::string group = base::FieldTrialList::FindFullName( | 222 std::string group = base::FieldTrialList::FindFullName( |
220 "MainThreadResponsivenessScrollIntervention"); | 223 "MainThreadResponsivenessScrollIntervention"); |
221 | 224 |
222 // The group name will be of the form Enabled$THRESHOLD_MS. Trim the prefix | 225 // The group name will be of the form Enabled$THRESHOLD_MS. Trim the prefix |
223 // "Enabled", and parse the threshold. | 226 // "Enabled", and parse the threshold. |
224 int threshold_ms = 0; | 227 int threshold_ms = 0; |
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540 main_task_runner_->PostTask( | 543 main_task_runner_->PostTask( |
541 FROM_HERE, base::Bind(&MainThreadEventQueue::SetNeedsMainFrame, this)); | 544 FROM_HERE, base::Bind(&MainThreadEventQueue::SetNeedsMainFrame, this)); |
542 } | 545 } |
543 | 546 |
544 void MainThreadEventQueue::ClearClient() { | 547 void MainThreadEventQueue::ClearClient() { |
545 DCHECK(main_task_runner_->BelongsToCurrentThread()); | 548 DCHECK(main_task_runner_->BelongsToCurrentThread()); |
546 client_ = nullptr; | 549 client_ = nullptr; |
547 } | 550 } |
548 | 551 |
549 } // namespace content | 552 } // namespace content |
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