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1/*
2 * Copyright (C) 2008 Apple 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 DOMTimer_h
28#define DOMTimer_h
29
30#include "ActiveDOMObject.h"
31#include "Timer.h"
32#include <wtf/OwnPtr.h>
33
34namespace WebCore {
35
36class ScheduledAction;
37
38class DOMTimer : public TimerBase, public ActiveDOMObject {
39public:
40 virtual ~DOMTimer();
41 // Creates a new timer owned by specified ScriptExecutionContext, starts it
42 // and returns its Id.
43 static int install(ScriptExecutionContext*, ScheduledAction*, int timeout, bool singleShot);
44 static void removeById(ScriptExecutionContext*, int timeoutId);
45
46 // ActiveDOMObject
47 virtual bool hasPendingActivity() const;
48 virtual void contextDestroyed();
49 virtual void stop();
50 virtual bool canSuspend() const;
51 virtual void suspend();
52 virtual void resume();
53
54private:
55 DOMTimer(ScriptExecutionContext*, ScheduledAction*, int timeout, bool singleShot);
56 virtual void fired();
57
58 int m_timeoutId;
59 int m_nestingLevel;
60 OwnPtr<ScheduledAction> m_action;
61 double m_nextFireInterval;
62 double m_repeatInterval;
63};
64
65} // namespace WebCore
66
67#endif // DOMTimer_h
68