1 /*
2 * Copyright (C) 2010 Google Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27 #include "config.h"
28 #include "core/events/EventContext.h"
29
30 #include "core/events/Event.h"
31 #include "core/events/FocusEvent.h"
32 #include "core/events/MouseEvent.h"
33 #include "core/events/TouchEvent.h"
34 #include "core/dom/TouchList.h"
35
36 namespace WebCore {
37
EventContext(PassRefPtr<Node> node,PassRefPtr<EventTarget> currentTarget)38 EventContext::EventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget)
39 : m_node(node)
40 , m_currentTarget(currentTarget)
41 {
42 ASSERT(m_node);
43 }
44
~EventContext()45 EventContext::~EventContext()
46 {
47 }
48
adoptEventPath(Vector<RefPtr<Node>> & nodes)49 void EventContext::adoptEventPath(Vector<RefPtr<Node> >& nodes)
50 {
51 m_eventPath = StaticNodeList::adopt(nodes);
52 }
53
handleLocalEvents(Event * event) const54 void EventContext::handleLocalEvents(Event* event) const
55 {
56 if (m_touchEventContext) {
57 m_touchEventContext->handleLocalEvents(event);
58 } else if (m_relatedTarget && event->isMouseEvent()) {
59 toMouseEvent(event)->setRelatedTarget(m_relatedTarget.get());
60 } else if (m_relatedTarget && event->isFocusEvent()) {
61 toFocusEvent(event)->setRelatedTarget(m_relatedTarget.get());
62 }
63 event->setTarget(m_target);
64 event->setCurrentTarget(m_currentTarget.get());
65 m_node->handleLocalEvents(event);
66 }
67
ensureTouchEventContext()68 TouchEventContext* EventContext::ensureTouchEventContext()
69 {
70 if (!m_touchEventContext)
71 m_touchEventContext = TouchEventContext::create();
72 return m_touchEventContext.get();
73 }
74
create()75 PassRefPtr<TouchEventContext> TouchEventContext::create()
76 {
77 return adoptRef(new TouchEventContext);
78 }
79
TouchEventContext()80 TouchEventContext::TouchEventContext()
81 : m_touches(TouchList::create())
82 , m_targetTouches(TouchList::create())
83 , m_changedTouches(TouchList::create())
84 {
85 }
86
~TouchEventContext()87 TouchEventContext::~TouchEventContext()
88 {
89 }
90
handleLocalEvents(Event * event) const91 void TouchEventContext::handleLocalEvents(Event* event) const
92 {
93 ASSERT(event->isTouchEvent());
94 TouchEvent* touchEvent = toTouchEvent(event);
95 touchEvent->setTouches(m_touches);
96 touchEvent->setTargetTouches(m_targetTouches);
97 touchEvent->setChangedTouches(m_changedTouches);
98 }
99
100 }
101