1/*
2 * Copyright (C) 2010 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  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 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef GCActivityCallback_h
30#define GCActivityCallback_h
31
32#include <wtf/OwnPtr.h>
33#include <wtf/PassOwnPtr.h>
34
35#if USE(CF)
36#include <CoreFoundation/CoreFoundation.h>
37#endif
38
39namespace JSC {
40
41class Heap;
42
43class GCActivityCallback {
44public:
45    virtual ~GCActivityCallback() {}
46    virtual void operator()() {}
47    virtual void synchronize() {}
48
49protected:
50    GCActivityCallback() {}
51};
52
53struct DefaultGCActivityCallbackPlatformData;
54
55class DefaultGCActivityCallback : public GCActivityCallback {
56public:
57    static PassOwnPtr<DefaultGCActivityCallback> create(Heap*);
58
59    DefaultGCActivityCallback(Heap*);
60    ~DefaultGCActivityCallback();
61
62    void operator()();
63    void synchronize();
64
65#if USE(CF)
66protected:
67    DefaultGCActivityCallback(Heap*, CFRunLoopRef);
68    void commonConstructor(Heap*, CFRunLoopRef);
69#endif
70
71private:
72    OwnPtr<DefaultGCActivityCallbackPlatformData*> d;
73};
74
75inline PassOwnPtr<DefaultGCActivityCallback> DefaultGCActivityCallback::create(Heap* heap)
76{
77    return adoptPtr(new DefaultGCActivityCallback(heap));
78}
79
80}
81
82#endif
83