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 ResourceErrorBase_h 27 #define ResourceErrorBase_h 28 29 #include "PlatformString.h" 30 31 namespace WebCore { 32 33 class ResourceError; 34 35 extern const char* const errorDomainWebKitInternal; // Used for errors that won't be exposed to clients. 36 37 class ResourceErrorBase { 38 public: 39 // Makes a deep copy. Useful for when you need to use a ResourceError on another thread. 40 ResourceError copy() const; 41 42 bool isNull() const { return m_isNull; } 43 44 const String& domain() const { lazyInit(); return m_domain; } 45 int errorCode() const { lazyInit(); return m_errorCode; } 46 const String& failingURL() const { lazyInit(); return m_failingURL; } 47 const String& localizedDescription() const { lazyInit(); return m_localizedDescription; } 48 49 void setIsCancellation(bool isCancellation) { m_isCancellation = isCancellation; } 50 bool isCancellation() const { return m_isCancellation; } 51 52 static bool compare(const ResourceError&, const ResourceError&); 53 54 protected: 55 ResourceErrorBase() 56 : m_errorCode(0) 57 , m_isNull(true) 58 , m_isCancellation(false) 59 { 60 } 61 62 ResourceErrorBase(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription) 63 : m_domain(domain) 64 , m_errorCode(errorCode) 65 , m_failingURL(failingURL) 66 , m_localizedDescription(localizedDescription) 67 , m_isNull(false) 68 , m_isCancellation(false) 69 { 70 } 71 72 void lazyInit() const; 73 74 // The ResourceError subclass may "shadow" this method to lazily initialize platform specific fields 75 void platformLazyInit() {} 76 77 // The ResourceError subclass may "shadow" this method to copy platform specific fields 78 void platformCopy(ResourceError&) const {} 79 80 // The ResourceError subclass may "shadow" this method to compare platform specific fields 81 static bool platformCompare(const ResourceError&, const ResourceError&) { return true; } 82 83 String m_domain; 84 int m_errorCode; 85 String m_failingURL; 86 String m_localizedDescription; 87 bool m_isNull; 88 bool m_isCancellation; 89 }; 90 91 inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceErrorBase::compare(a, b); } 92 inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); } 93 94 } // namespace WebCore 95 96 #endif // ResourceErrorBase_h 97
