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| 1 /* | |
| 2 * Copyright 2008, The Android Open Source Project | |
| 3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #include "sky/engine/config.h" | |
| 28 | |
| 29 #include "sky/engine/core/events/TouchEvent.h" | |
| 30 | |
| 31 #include "sky/engine/core/events/EventDispatcher.h" | |
| 32 #include "sky/engine/core/frame/FrameConsole.h" | |
| 33 #include "sky/engine/core/frame/LocalFrame.h" | |
| 34 #include "sky/engine/core/inspector/ConsoleMessage.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 TouchEvent::TouchEvent() | |
| 39 { | |
| 40 } | |
| 41 | |
| 42 TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches, | |
| 43 TouchList* changedTouches, const AtomicString& type, | |
| 44 PassRefPtr<AbstractView> view, | |
| 45 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable) | |
| 46 : UIEventWithKeyState(type, true, cancelable, view, 0, | |
| 47 ctrlKey, altKey, shiftKey, metaKey) | |
| 48 , m_touches(touches) | |
| 49 , m_targetTouches(targetTouches) | |
| 50 , m_changedTouches(changedTouches) | |
| 51 { | |
| 52 } | |
| 53 | |
| 54 TouchEvent::~TouchEvent() | |
| 55 { | |
| 56 } | |
| 57 | |
| 58 void TouchEvent::initTouchEvent(TouchList* touches, TouchList* targetTouches, | |
| 59 TouchList* changedTouches, const AtomicString& type, | |
| 60 PassRefPtr<AbstractView> view, | |
| 61 int, int, int, int, | |
| 62 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) | |
| 63 { | |
| 64 if (dispatched()) | |
| 65 return; | |
| 66 | |
| 67 bool cancelable = true; | |
| 68 if (type == EventTypeNames::touchcancel) | |
| 69 cancelable = false; | |
| 70 | |
| 71 initUIEvent(type, true, cancelable, view, 0); | |
| 72 | |
| 73 m_touches = touches; | |
| 74 m_targetTouches = targetTouches; | |
| 75 m_changedTouches = changedTouches; | |
| 76 m_ctrlKey = ctrlKey; | |
| 77 m_altKey = altKey; | |
| 78 m_shiftKey = shiftKey; | |
| 79 m_metaKey = metaKey; | |
| 80 } | |
| 81 | |
| 82 const AtomicString& TouchEvent::interfaceName() const | |
| 83 { | |
| 84 return EventNames::TouchEvent; | |
| 85 } | |
| 86 | |
| 87 bool TouchEvent::isTouchEvent() const | |
| 88 { | |
| 89 return true; | |
| 90 } | |
| 91 | |
| 92 void TouchEvent::preventDefault() | |
| 93 { | |
| 94 UIEventWithKeyState::preventDefault(); | |
| 95 | |
| 96 // A common developer error is to wait too long before attempting to stop | |
| 97 // scrolling by consuming a touchmove event. Generate a warning if this | |
| 98 // event is uncancelable. | |
| 99 if (!cancelable() && view() && view()->frame()) { | |
| 100 view()->frame()->console().addMessage(ConsoleMessage::create(JSMessageSo
urce, WarningMessageLevel, | |
| 101 "Ignored attempt to cancel a " + type() + " event with cancelable=fa
lse, for example because scrolling is in progress and cannot be interrupted.")); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 PassRefPtr<TouchEventDispatchMediator> TouchEventDispatchMediator::create(PassRe
fPtr<TouchEvent> touchEvent) | |
| 106 { | |
| 107 return adoptRef(new TouchEventDispatchMediator(touchEvent)); | |
| 108 } | |
| 109 | |
| 110 TouchEventDispatchMediator::TouchEventDispatchMediator(PassRefPtr<TouchEvent> to
uchEvent) | |
| 111 : EventDispatchMediator(touchEvent) | |
| 112 { | |
| 113 } | |
| 114 | |
| 115 TouchEvent* TouchEventDispatchMediator::event() const | |
| 116 { | |
| 117 return toTouchEvent(EventDispatchMediator::event()); | |
| 118 } | |
| 119 | |
| 120 bool TouchEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) cons
t | |
| 121 { | |
| 122 event()->eventPath().adjustForTouchEvent(dispatcher->node(), *event()); | |
| 123 return dispatcher->dispatch(); | |
| 124 } | |
| 125 | |
| 126 } // namespace blink | |
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