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#ifndef ResourceResponse_h 26#define ResourceResponse_h 27 28#include "ResourceResponseBase.h" 29#include <wtf/RetainPtr.h> 30 31typedef struct _CFURLResponse* CFURLResponseRef; 32 33namespace WebCore { 34 35class ResourceResponse : public ResourceResponseBase { 36public: 37 ResourceResponse() 38 : m_isUpToDate(true) 39 { 40 } 41 42 ResourceResponse(CFURLResponseRef cfResponse) 43 : m_cfResponse(cfResponse) 44 , m_isUpToDate(false) 45 { 46 m_isNull = !cfResponse; 47 } 48 49 ResourceResponse(const KURL& url, const String& mimeType, long long expectedLength, const String& textEncodingName, const String& filename) 50 : ResourceResponseBase(url, mimeType, expectedLength, textEncodingName, filename) 51 , m_isUpToDate(true) 52 { 53 } 54 55 unsigned memoryUsage() const 56 { 57 // FIXME: Find some programmatic lighweight way to calculate ResourceResponse and associated classes. 58 // This is a rough estimate of resource overhead based on stats collected from the stress test. 59 return 3072; 60 /* 1280 * 2 + // average size of ResourceResponse. Doubled to account for the WebCore copy and the CF copy. 61 // Mostly due to the size of the hash maps, the Header Map strings and the URL. 62 256 * 2 // Overhead from ResourceRequest, doubled to account for WebCore copy and CF copy. 63 // Mostly due to the URL and Header Map. 64 */ 65 } 66 67 CFURLResponseRef cfURLResponse() const; 68 69private: 70 friend class ResourceResponseBase; 71 72 void platformLazyInit(); 73 static bool platformCompare(const ResourceResponse& a, const ResourceResponse& b); 74 75 RetainPtr<CFURLResponseRef> m_cfResponse; 76 bool m_isUpToDate; 77}; 78 79} // namespace WebCore 80 81#endif // ResourceResponse_h 82