1/*
2 * Copyright (C) 2012 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 INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebContextSupplement_h
27#define WebContextSupplement_h
28
29namespace WebKit {
30
31class NetworkProcessProxy;
32class WebContext;
33class WebProcessProxy;
34
35class WebContextSupplement {
36public:
37    WebContextSupplement(WebContext* context)
38        : m_context(context)
39    {
40    }
41
42    virtual ~WebContextSupplement()
43    {
44    }
45
46    virtual void contextDestroyed()
47    {
48    }
49
50    virtual void processDidClose(WebProcessProxy*)
51    {
52    }
53
54    virtual void processDidClose(NetworkProcessProxy*)
55    {
56    }
57
58    virtual bool shouldTerminate(WebProcessProxy*) const
59    {
60        return true;
61    }
62
63    WebContext* context() const { return m_context; }
64    void clearContext() { m_context = 0; }
65
66    void ref() { refWebContextSupplement(); }
67    void deref() { derefWebContextSupplement(); }
68
69private:
70    virtual void refWebContextSupplement() = 0;
71    virtual void derefWebContextSupplement() = 0;
72
73    WebContext* m_context;
74};
75
76} // namespace WebKit
77
78#endif // WebContextSupplement_h
79