1/*
2 * Copyright (C) 2006 Apple Computer, 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#ifndef ResourceResponse_h
27#define ResourceResponse_h
28
29#include "ResourceResponseBase.h"
30#include <wtf/RetainPtr.h>
31
32#if USE(CFNETWORK)
33typedef struct _CFURLResponse* CFURLResponseRef;
34#endif
35
36OBJC_CLASS NSURLResponse;
37
38namespace WebCore {
39
40class ResourceResponse : public ResourceResponseBase {
41public:
42    ResourceResponse()
43        : m_initLevel(CommonAndUncommonFields)
44        , m_platformResponseIsUpToDate(true)
45    {
46    }
47
48#if USE(CFNETWORK)
49    ResourceResponse(CFURLResponseRef cfResponse)
50        : m_cfResponse(cfResponse)
51        , m_initLevel(Uninitialized)
52        , m_platformResponseIsUpToDate(true)
53    {
54        m_isNull = !cfResponse;
55    }
56#if PLATFORM(MAC)
57    ResourceResponse(NSURLResponse *);
58#endif
59#else
60    ResourceResponse(NSURLResponse *nsResponse)
61        : m_nsResponse(nsResponse)
62        , m_initLevel(Uninitialized)
63        , m_platformResponseIsUpToDate(true)
64    {
65        m_isNull = !nsResponse;
66    }
67#endif
68
69    ResourceResponse(const KURL& url, const String& mimeType, long long expectedLength, const String& textEncodingName, const String& filename)
70        : ResourceResponseBase(url, mimeType, expectedLength, textEncodingName, filename)
71        , m_initLevel(CommonAndUncommonFields)
72        , m_platformResponseIsUpToDate(false)
73    {
74    }
75
76    unsigned memoryUsage() const
77    {
78        // FIXME: Find some programmatic lighweight way to calculate ResourceResponse and associated classes.
79        // This is a rough estimate of resource overhead based on stats collected from memory usage tests.
80        return 3800;
81        /*  1280 * 2 +                // average size of ResourceResponse. Doubled to account for the WebCore copy and the CF copy.
82                                      // Mostly due to the size of the hash maps, the Header Map strings and the URL.
83            256 * 2                   // Overhead from ResourceRequest, doubled to account for WebCore copy and CF copy.
84                                      // Mostly due to the URL and Header Map.
85         */
86    }
87
88#if USE(CFNETWORK)
89    CFURLResponseRef cfURLResponse() const;
90#endif
91#if PLATFORM(MAC)
92    NSURLResponse *nsURLResponse() const;
93#endif
94
95#if PLATFORM(MAC) || USE(CFNETWORK)
96    void setCertificateChain(CFArrayRef);
97    RetainPtr<CFArrayRef> certificateChain() const;
98#endif
99
100    bool platformResponseIsUpToDate() const { return m_platformResponseIsUpToDate; }
101
102private:
103    friend class ResourceResponseBase;
104
105    void platformLazyInit(InitLevel);
106    PassOwnPtr<CrossThreadResourceResponseData> doPlatformCopyData(PassOwnPtr<CrossThreadResourceResponseData> data) const { return data; }
107    void doPlatformAdopt(PassOwnPtr<CrossThreadResourceResponseData>) { }
108#if PLATFORM(MAC)
109    void initNSURLResponse() const;
110#endif
111
112    static bool platformCompare(const ResourceResponse& a, const ResourceResponse& b);
113
114#if USE(CFNETWORK)
115    mutable RetainPtr<CFURLResponseRef> m_cfResponse;
116#endif
117#if PLATFORM(MAC)
118    mutable RetainPtr<NSURLResponse> m_nsResponse;
119#endif
120#if PLATFORM(MAC) || USE(CFNETWORK)
121    // Certificate chain is normally part of NS/CFURLResponse, but there is no way to re-add it to a deserialized response after IPC.
122    RetainPtr<CFArrayRef> m_externalCertificateChain;
123#endif
124    InitLevel m_initLevel;
125    bool m_platformResponseIsUpToDate;
126};
127
128struct CrossThreadResourceResponseData : public CrossThreadResourceResponseDataBase {
129};
130
131} // namespace WebCore
132
133#endif // ResourceResponse_h
134