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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 "ui/events/blink/compositor_thread_event_queue.h" | 5 #include "ui/events/blink/compositor_thread_event_queue.h" |
6 | 6 |
7 namespace ui { | 7 namespace ui { |
8 | 8 |
9 CompositorThreadEventQueue::CompositorThreadEventQueue() {} | 9 CompositorThreadEventQueue::CompositorThreadEventQueue() {} |
10 | 10 |
11 CompositorThreadEventQueue::~CompositorThreadEventQueue() {} | 11 CompositorThreadEventQueue::~CompositorThreadEventQueue() {} |
12 | 12 |
13 // TODO(chongz): Support coalescing events across interleaved boundaries. | 13 // TODO(chongz): Support coalescing events across interleaved boundaries. |
14 // https://crbug.com/661601 | 14 // https://crbug.com/661601 |
15 void CompositorThreadEventQueue::Queue(std::unique_ptr<EventWithCallback> event, | 15 void CompositorThreadEventQueue::Queue(std::unique_ptr<EventWithCallback> event, |
16 base::TimeTicks timestamp_now) { | 16 base::TimeTicks timestamp_now) { |
17 if (!queue_.empty() && queue_.back()->CanCoalesceWith(*event)) { | 17 if (!queue_.empty() && queue_.back()->CanCoalesceWith(*event)) { |
18 queue_.back()->CoalesceWith(event.get(), timestamp_now); | 18 queue_.back()->CoalesceWith(event.get(), timestamp_now); |
19 return; | 19 return; |
20 } | 20 } |
21 | 21 |
22 queue_.emplace_back(std::move(event)); | 22 queue_.emplace_back(std::move(event)); |
23 } | 23 } |
24 | 24 |
25 std::unique_ptr<EventWithCallback> CompositorThreadEventQueue::Pop() { | 25 std::unique_ptr<EventWithCallback> CompositorThreadEventQueue::Pop() { |
26 std::unique_ptr<EventWithCallback> result; | 26 std::unique_ptr<EventWithCallback> result; |
27 if (!queue_.empty()) { | 27 if (!queue_.empty()) { |
28 result.reset(queue_.front().release()); | 28 result = std::move(queue_.front()); |
29 queue_.pop_front(); | 29 queue_.pop_front(); |
30 } | 30 } |
31 return result; | 31 return result; |
32 } | 32 } |
33 | 33 |
34 } // namespace ui | 34 } // namespace ui |
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