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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/browser/renderer_host/input/touch_event_queue.h" | 5 #include "content/browser/renderer_host/input/touch_event_queue.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/auto_reset.h" | 9 #include "base/auto_reset.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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445 if (config.touch_ack_timeout_supported) { | 445 if (config.touch_ack_timeout_supported) { |
446 timeout_handler_.reset( | 446 timeout_handler_.reset( |
447 new TouchTimeoutHandler(this, | 447 new TouchTimeoutHandler(this, |
448 config.desktop_touch_ack_timeout_delay, | 448 config.desktop_touch_ack_timeout_delay, |
449 config.mobile_touch_ack_timeout_delay)); | 449 config.mobile_touch_ack_timeout_delay)); |
450 } | 450 } |
451 } | 451 } |
452 | 452 |
453 TouchEventQueue::~TouchEventQueue() { | 453 TouchEventQueue::~TouchEventQueue() { |
454 if (!touch_queue_.empty()) | 454 if (!touch_queue_.empty()) |
455 STLDeleteElements(&touch_queue_); | 455 base::STLDeleteElements(&touch_queue_); |
456 } | 456 } |
457 | 457 |
458 void TouchEventQueue::QueueEvent(const TouchEventWithLatencyInfo& event) { | 458 void TouchEventQueue::QueueEvent(const TouchEventWithLatencyInfo& event) { |
459 TRACE_EVENT0("input", "TouchEventQueue::QueueEvent"); | 459 TRACE_EVENT0("input", "TouchEventQueue::QueueEvent"); |
460 | 460 |
461 // If the queueing of |event| was triggered by an ack dispatch, defer | 461 // If the queueing of |event| was triggered by an ack dispatch, defer |
462 // processing the event until the dispatch has finished. | 462 // processing the event until the dispatch has finished. |
463 if (touch_queue_.empty() && !dispatching_touch_ack_) { | 463 if (touch_queue_.empty() && !dispatching_touch_ack_) { |
464 // Optimization of the case without touch handlers. Removing this path | 464 // Optimization of the case without touch handlers. Removing this path |
465 // yields identical results, but this avoids unnecessary allocations. | 465 // yields identical results, but this avoids unnecessary allocations. |
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926 if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) | 926 if (ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) |
927 send_touch_events_async_ = false; | 927 send_touch_events_async_ = false; |
928 has_handler_for_current_sequence_ |= | 928 has_handler_for_current_sequence_ |= |
929 ack_result != INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; | 929 ack_result != INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
930 } else if (WebTouchEventTraits::IsTouchSequenceEnd(event)) { | 930 } else if (WebTouchEventTraits::IsTouchSequenceEnd(event)) { |
931 has_handler_for_current_sequence_ = false; | 931 has_handler_for_current_sequence_ = false; |
932 } | 932 } |
933 } | 933 } |
934 | 934 |
935 } // namespace content | 935 } // namespace content |
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