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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2010 Google Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 * | 24 * |
25 */ | 25 */ |
26 | 26 |
27 #ifndef EventQueue_h | 27 #ifndef EventQueue_h |
28 #define EventQueue_h | 28 #define EventQueue_h |
29 | 29 |
30 #include "Timer.h" | |
31 #include <wtf/HashSet.h> | 30 #include <wtf/HashSet.h> |
32 #include <wtf/Noncopyable.h> | 31 #include <wtf/Noncopyable.h> |
| 32 #include <wtf/OwnPtr.h> |
| 33 #include <wtf/PassOwnPtr.h> |
33 #include <wtf/RefPtr.h> | 34 #include <wtf/RefPtr.h> |
34 #include <wtf/Vector.h> | 35 #include <wtf/Vector.h> |
35 | 36 |
36 namespace WebCore { | 37 namespace WebCore { |
37 | 38 |
38 class Event; | 39 class Event; |
| 40 class EventQueueTimer; |
39 class Node; | 41 class Node; |
| 42 class ScriptExecutionContext; |
40 | 43 |
41 class EventQueue { | 44 class EventQueue { |
42 WTF_MAKE_NONCOPYABLE(EventQueue); | 45 WTF_MAKE_NONCOPYABLE(EventQueue); |
43 | 46 |
| 47 |
44 public: | 48 public: |
45 enum ScrollEventTargetType { | 49 enum ScrollEventTargetType { |
46 ScrollEventDocumentTarget, | 50 ScrollEventDocumentTarget, |
47 ScrollEventElementTarget | 51 ScrollEventElementTarget |
48 }; | 52 }; |
49 | 53 |
50 EventQueue(); | 54 static PassOwnPtr<EventQueue> create(ScriptExecutionContext* context) |
| 55 { |
| 56 return adoptPtr(new EventQueue(context)); |
| 57 } |
| 58 |
| 59 ~EventQueue(); |
51 | 60 |
52 void enqueueEvent(PassRefPtr<Event>); | 61 void enqueueEvent(PassRefPtr<Event>); |
53 void enqueueScrollEvent(PassRefPtr<Node>, ScrollEventTargetType); | 62 void enqueueScrollEvent(PassRefPtr<Node>, ScrollEventTargetType); |
54 | 63 |
55 private: | 64 private: |
56 void pendingEventTimerFired(Timer<EventQueue>*); | 65 explicit EventQueue(ScriptExecutionContext*); |
| 66 |
| 67 void pendingEventTimerFired(); |
57 void dispatchEvent(PassRefPtr<Event>); | 68 void dispatchEvent(PassRefPtr<Event>); |
58 | 69 |
59 Timer<EventQueue> m_pendingEventTimer; | 70 OwnPtr<EventQueueTimer> m_pendingEventTimer; |
60 Vector<RefPtr<Event> > m_queuedEvents; | 71 Vector<RefPtr<Event> > m_queuedEvents; |
61 HashSet<Node*> m_nodesWithQueuedScrollEvents; | 72 HashSet<Node*> m_nodesWithQueuedScrollEvents; |
| 73 |
| 74 friend class EventQueueTimer; |
62 }; | 75 }; |
63 | 76 |
64 } | 77 } |
65 | 78 |
66 #endif // EventQueue_h | 79 #endif // EventQueue_h |
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