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#ifndef TouchEvent_h
28#define TouchEvent_h
29
30#include "core/events/EventDispatchMediator.h"
31#include "core/events/MouseRelatedEvent.h"
32#include "core/dom/TouchList.h"
33
34namespace blink {
35
36class TouchEvent FINAL : public UIEventWithKeyState {
37    DEFINE_WRAPPERTYPEINFO();
38public:
39    virtual ~TouchEvent();
40
41    static PassRefPtrWillBeRawPtr<TouchEvent> create()
42    {
43        return adoptRefWillBeNoop(new TouchEvent);
44    }
45    static PassRefPtrWillBeRawPtr<TouchEvent> create(TouchList* touches,
46        TouchList* targetTouches, TouchList* changedTouches,
47        const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view,
48        bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable)
49    {
50        return adoptRefWillBeNoop(new TouchEvent(touches, targetTouches, changedTouches, type, view,
51            ctrlKey, altKey, shiftKey, metaKey, cancelable));
52    }
53
54    void initTouchEvent(TouchList* touches, TouchList* targetTouches,
55        TouchList* changedTouches, const AtomicString& type,
56        PassRefPtrWillBeRawPtr<AbstractView>,
57        int, int, int, int, // unused useless members of web exposed API
58        bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
59
60    TouchList* touches() const { return m_touches.get(); }
61    TouchList* targetTouches() const { return m_targetTouches.get(); }
62    TouchList* changedTouches() const { return m_changedTouches.get(); }
63
64    void setTouches(PassRefPtrWillBeRawPtr<TouchList> touches) { m_touches = touches; }
65    void setTargetTouches(PassRefPtrWillBeRawPtr<TouchList> targetTouches) { m_targetTouches = targetTouches; }
66    void setChangedTouches(PassRefPtrWillBeRawPtr<TouchList> changedTouches) { m_changedTouches = changedTouches; }
67
68    virtual bool isTouchEvent() const OVERRIDE;
69
70    virtual const AtomicString& interfaceName() const OVERRIDE;
71
72    virtual void preventDefault() OVERRIDE;
73
74    virtual void trace(Visitor*) OVERRIDE;
75
76private:
77    TouchEvent();
78    TouchEvent(TouchList* touches, TouchList* targetTouches,
79            TouchList* changedTouches, const AtomicString& type,
80            PassRefPtrWillBeRawPtr<AbstractView>,
81            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable);
82
83    RefPtrWillBeMember<TouchList> m_touches;
84    RefPtrWillBeMember<TouchList> m_targetTouches;
85    RefPtrWillBeMember<TouchList> m_changedTouches;
86};
87
88class TouchEventDispatchMediator FINAL : public EventDispatchMediator {
89public:
90    static PassRefPtrWillBeRawPtr<TouchEventDispatchMediator> create(PassRefPtrWillBeRawPtr<TouchEvent>);
91
92private:
93    explicit TouchEventDispatchMediator(PassRefPtrWillBeRawPtr<TouchEvent>);
94    TouchEvent* event() const;
95    virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE;
96};
97
98DEFINE_EVENT_TYPE_CASTS(TouchEvent);
99
100} // namespace blink
101
102#endif // TouchEvent_h
103