1/*
2 * Copyright (C) 2014 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#ifndef TouchEventContext_h
28#define TouchEventContext_h
29
30#include "platform/heap/Handle.h"
31#include "wtf/PassRefPtr.h"
32#include "wtf/RefCounted.h"
33#include "wtf/RefPtr.h"
34
35namespace blink {
36
37class Event;
38class TouchList;
39
40class TouchEventContext : public RefCountedWillBeGarbageCollected<TouchEventContext> {
41    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TouchEventContext);
42public:
43    static PassRefPtrWillBeRawPtr<TouchEventContext> create();
44    void handleLocalEvents(Event*) const;
45    TouchList& touches() { return *m_touches; }
46    TouchList& targetTouches() { return *m_targetTouches; }
47    TouchList& changedTouches() { return *m_changedTouches; }
48
49    void trace(Visitor*);
50
51private:
52    TouchEventContext();
53
54    RefPtrWillBeMember<TouchList> m_touches;
55    RefPtrWillBeMember<TouchList> m_targetTouches;
56    RefPtrWillBeMember<TouchList> m_changedTouches;
57};
58
59}
60
61#endif // TouchEventContext_h
62