1/*
2 * Copyright 2009, The Android Open Source Project
3 * Copyright (C) 2008 Google Inc. 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 THE COPYRIGHT OWNER 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 PluginTimer_h
28#define PluginTimer_h
29
30#include "FastAllocBase.h"
31#include "RefCounted.h"
32#include "Timer.h"
33#include "npapi.h"
34
35namespace WebCore {
36
37    class PluginTimerList;
38
39    class PluginTimer : public TimerBase, public RefCounted<PluginTimer> {
40        WTF_MAKE_FAST_ALLOCATED;
41    public:
42        PluginTimer(PluginTimer** list, NPP instance, bool repeat,
43                    void (*proc)(NPP npp, uint32_t timerID));
44        virtual ~PluginTimer();
45
46        uint32_t timerID() const { return m_timerID; }
47
48        void unschedule() { m_unscheduled = true; }
49
50        static PluginTimer* Find(PluginTimer* list, uint32_t timerID);
51
52    private:
53        // override from TimerBase
54        virtual void fired();
55
56        PluginTimer* next() const { return m_next; }
57        friend class PluginTimerList;
58
59        PluginTimer**   m_list;
60        PluginTimer*    m_prev;
61        PluginTimer*    m_next;
62        NPP             m_instance;
63        void            (*m_timerFunc)(NPP, uint32_t);
64        uint32_t          m_timerID;
65        bool            m_repeat;
66        bool            m_unscheduled;
67    };
68
69    class PluginTimerList {
70    public:
71        PluginTimerList() : m_list(0) {}
72        ~PluginTimerList();
73
74        uint32_t schedule(NPP instance, uint32_t interval, bool repeat,
75                        void (*proc)(NPP npp, uint32_t timerID));
76        void unschedule(NPP instance, uint32_t timerID);
77
78    private:
79        PluginTimer* m_list;
80    };
81
82} // namespace WebCore
83
84#endif
85