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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/render_widget.h" | 5 #include "content/renderer/render_widget.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
10 #include "base/debug/trace_event_synthetic_delay.h" | 10 #include "base/debug/trace_event_synthetic_delay.h" |
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1071 // handlers are heavy and rate limit them. | 1071 // handlers are heavy and rate limit them. |
1072 bool rate_limiting_wanted = true; | 1072 bool rate_limiting_wanted = true; |
1073 if (base::TimeTicks::IsHighResNowFastAndReliable()) { | 1073 if (base::TimeTicks::IsHighResNowFastAndReliable()) { |
1074 base::TimeTicks end_time = base::TimeTicks::HighResNow(); | 1074 base::TimeTicks end_time = base::TimeTicks::HighResNow(); |
1075 total_input_handling_time_this_frame_ += (end_time - start_time); | 1075 total_input_handling_time_this_frame_ += (end_time - start_time); |
1076 rate_limiting_wanted = | 1076 rate_limiting_wanted = |
1077 total_input_handling_time_this_frame_.InMicroseconds() > | 1077 total_input_handling_time_this_frame_.InMicroseconds() > |
1078 kInputHandlingTimeThrottlingThresholdMicroseconds; | 1078 kInputHandlingTimeThrottlingThresholdMicroseconds; |
1079 } | 1079 } |
1080 | 1080 |
1081 if (!WebInputEventTraits::IgnoresAckDisposition(input_event->type)) { | 1081 if (!WebInputEventTraits::IgnoresAckDisposition(*input_event)) { |
1082 scoped_ptr<IPC::Message> response( | 1082 scoped_ptr<IPC::Message> response( |
1083 new InputHostMsg_HandleInputEvent_ACK(routing_id_, | 1083 new InputHostMsg_HandleInputEvent_ACK(routing_id_, |
1084 input_event->type, | 1084 input_event->type, |
1085 ack_result, | 1085 ack_result, |
1086 swap_latency_info)); | 1086 swap_latency_info)); |
1087 if (rate_limiting_wanted && event_type_can_be_rate_limited && | 1087 if (rate_limiting_wanted && event_type_can_be_rate_limited && |
1088 frame_pending && !is_hidden_) { | 1088 frame_pending && !is_hidden_) { |
1089 // We want to rate limit the input events in this case, so we'll wait for | 1089 // We want to rate limit the input events in this case, so we'll wait for |
1090 // painting to finish before ACKing this message. | 1090 // painting to finish before ACKing this message. |
1091 TRACE_EVENT_INSTANT0("renderer", | 1091 TRACE_EVENT_INSTANT0("renderer", |
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2373 | 2373 |
2374 void RenderWidget::RegisterSwappedOutChildFrame(RenderFrameImpl* frame) { | 2374 void RenderWidget::RegisterSwappedOutChildFrame(RenderFrameImpl* frame) { |
2375 swapped_out_frames_.AddObserver(frame); | 2375 swapped_out_frames_.AddObserver(frame); |
2376 } | 2376 } |
2377 | 2377 |
2378 void RenderWidget::UnregisterSwappedOutChildFrame(RenderFrameImpl* frame) { | 2378 void RenderWidget::UnregisterSwappedOutChildFrame(RenderFrameImpl* frame) { |
2379 swapped_out_frames_.RemoveObserver(frame); | 2379 swapped_out_frames_.RemoveObserver(frame); |
2380 } | 2380 } |
2381 | 2381 |
2382 } // namespace content | 2382 } // namespace content |
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