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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 "core/input/TouchEventManager.h" | 5 #include "core/input/TouchEventManager.h" |
6 | 6 |
7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
8 #include "core/events/TouchEvent.h" | 8 #include "core/events/TouchEvent.h" |
9 #include "core/frame/Deprecation.h" | 9 #include "core/frame/Deprecation.h" |
10 #include "core/frame/EventHandlerRegistry.h" | 10 #include "core/frame/EventHandlerRegistry.h" |
11 #include "core/frame/FrameHost.h" | 11 #include "core/frame/FrameHost.h" |
12 #include "core/frame/FrameView.h" | 12 #include "core/frame/FrameView.h" |
13 #include "core/html/HTMLCanvasElement.h" | 13 #include "core/html/HTMLCanvasElement.h" |
14 #include "core/input/EventHandler.h" | 14 #include "core/input/EventHandler.h" |
15 #include "core/input/TouchActionUtil.h" | 15 #include "core/input/TouchActionUtil.h" |
16 #include "core/page/ChromeClient.h" | 16 #include "core/page/ChromeClient.h" |
17 #include "core/page/Page.h" | 17 #include "core/page/Page.h" |
18 #include "platform/Histogram.h" | 18 #include "platform/Histogram.h" |
19 #include "platform/PlatformTouchEvent.h" | 19 #include "platform/PlatformTouchEvent.h" |
20 #include "wtf/CurrentTime.h" | 20 #include "wtf/CurrentTime.h" |
| 21 #include "wtf/PtrUtil.h" |
| 22 #include <memory> |
21 | 23 |
22 | 24 |
23 namespace blink { | 25 namespace blink { |
24 | 26 |
25 namespace { | 27 namespace { |
26 | 28 |
27 bool hasTouchHandlers(const EventHandlerRegistry& registry) | 29 bool hasTouchHandlers(const EventHandlerRegistry& registry) |
28 { | 30 { |
29 return registry.hasEventHandlers(EventHandlerRegistry::TouchStartOrMoveEvent
Blocking) | 31 return registry.hasEventHandlers(EventHandlerRegistry::TouchStartOrMoveEvent
Blocking) |
30 || registry.hasEventHandlers(EventHandlerRegistry::TouchStartOrMoveEvent
Passive) | 32 || registry.hasEventHandlers(EventHandlerRegistry::TouchStartOrMoveEvent
Passive) |
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462 // For now, disallow dragging as a user gesture when the events are being se
nt to a | 464 // For now, disallow dragging as a user gesture when the events are being se
nt to a |
463 // cross-origin iframe (crbug.com/582140). | 465 // cross-origin iframe (crbug.com/582140). |
464 bool isSameOrigin = false; | 466 bool isSameOrigin = false; |
465 if (m_touchSequenceDocument && m_touchSequenceDocument->frame()) { | 467 if (m_touchSequenceDocument && m_touchSequenceDocument->frame()) { |
466 SecurityOrigin* securityOrigin = m_touchSequenceDocument->frame()->secur
ityContext()->getSecurityOrigin(); | 468 SecurityOrigin* securityOrigin = m_touchSequenceDocument->frame()->secur
ityContext()->getSecurityOrigin(); |
467 Frame* top = m_frame->tree().top(); | 469 Frame* top = m_frame->tree().top(); |
468 if (top && securityOrigin->canAccess(top->securityContext()->getSecurity
Origin())) | 470 if (top && securityOrigin->canAccess(top->securityContext()->getSecurity
Origin())) |
469 isSameOrigin = true; | 471 isSameOrigin = true; |
470 } | 472 } |
471 | 473 |
472 OwnPtr<UserGestureIndicator> gestureIndicator; | 474 std::unique_ptr<UserGestureIndicator> gestureIndicator; |
473 if (isTap || isSameOrigin) { | 475 if (isTap || isSameOrigin) { |
474 UserGestureUtilizedCallback* callback = 0; | 476 UserGestureUtilizedCallback* callback = 0; |
475 // These are cases we'd like to migrate to not hold a user gesture. | 477 // These are cases we'd like to migrate to not hold a user gesture. |
476 if (event.type() == PlatformEvent::TouchStart | 478 if (event.type() == PlatformEvent::TouchStart |
477 || event.type() == PlatformEvent::TouchMove | 479 || event.type() == PlatformEvent::TouchMove |
478 || (event.type() == PlatformEvent::TouchEnd && m_touchScrollStarted)
) { | 480 || (event.type() == PlatformEvent::TouchEnd && m_touchScrollStarted)
) { |
479 // Collect metrics in userGestureUtilized(). | 481 // Collect metrics in userGestureUtilized(). |
480 callback = this; | 482 callback = this; |
481 } | 483 } |
482 if (m_touchSequenceUserGestureToken) | 484 if (m_touchSequenceUserGestureToken) |
483 gestureIndicator = adoptPtr(new UserGestureIndicator(m_touchSequence
UserGestureToken.release(), callback)); | 485 gestureIndicator = wrapUnique(new UserGestureIndicator(m_touchSequen
ceUserGestureToken.release(), callback)); |
484 else | 486 else |
485 gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProce
ssingUserGesture, callback)); | 487 gestureIndicator = wrapUnique(new UserGestureIndicator(DefinitelyPro
cessingUserGesture, callback)); |
486 m_touchSequenceUserGestureToken = UserGestureIndicator::currentToken(); | 488 m_touchSequenceUserGestureToken = UserGestureIndicator::currentToken(); |
487 } | 489 } |
488 | 490 |
489 return dispatchTouchEvents(event, touchInfos, allTouchesReleased); | 491 return dispatchTouchEvents(event, touchInfos, allTouchesReleased); |
490 } | 492 } |
491 | 493 |
492 void TouchEventManager::clear() | 494 void TouchEventManager::clear() |
493 { | 495 { |
494 m_touchSequenceDocument.clear(); | 496 m_touchSequenceDocument.clear(); |
495 m_touchSequenceUserGestureToken.clear(); | 497 m_touchSequenceUserGestureToken.clear(); |
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531 feature = UseCounter::TouchEndDuringScrollUserGestureUtilized; | 533 feature = UseCounter::TouchEndDuringScrollUserGestureUtilized; |
532 break; | 534 break; |
533 default: | 535 default: |
534 NOTREACHED(); | 536 NOTREACHED(); |
535 return; | 537 return; |
536 } | 538 } |
537 Deprecation::countDeprecation(m_frame, feature); | 539 Deprecation::countDeprecation(m_frame, feature); |
538 } | 540 } |
539 | 541 |
540 } // namespace blink | 542 } // namespace blink |
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