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
36namespace WebCore {
37
38EventContext::EventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget)
39    : m_node(node)
40    , m_currentTarget(currentTarget)
41{
42    ASSERT(m_node);
43}
44
45EventContext::~EventContext()
46{
47}
48
49void EventContext::adoptEventPath(Vector<RefPtr<Node> >& nodes)
50{
51    m_eventPath = StaticNodeList::adopt(nodes);
52}
53
54void 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
68TouchEventContext* EventContext::ensureTouchEventContext()
69{
70    if (!m_touchEventContext)
71        m_touchEventContext = TouchEventContext::create();
72    return m_touchEventContext.get();
73}
74
75PassRefPtr<TouchEventContext> TouchEventContext::create()
76{
77    return adoptRef(new TouchEventContext);
78}
79
80TouchEventContext::TouchEventContext()
81    : m_touches(TouchList::create())
82    , m_targetTouches(TouchList::create())
83    , m_changedTouches(TouchList::create())
84{
85}
86
87TouchEventContext::~TouchEventContext()
88{
89}
90
91void 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