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      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
      3  * Copyright (C) 2013 Google Inc.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      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  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef ResourceError_h
     28 #define ResourceError_h
     29 
     30 #include "platform/PlatformExport.h"
     31 #include "wtf/text/WTFString.h"
     32 
     33 namespace WebCore {
     34 
     35 PLATFORM_EXPORT extern const char errorDomainBlinkInternal[]; // Used for errors that won't be exposed to clients.
     36 
     37 class PLATFORM_EXPORT ResourceError {
     38 public:
     39     static ResourceError cancelledError(const String& failingURL);
     40 
     41     ResourceError()
     42         : m_errorCode(0)
     43         , m_isNull(true)
     44         , m_isCancellation(false)
     45         , m_isTimeout(false)
     46         , m_staleCopyInCache(false)
     47     {
     48     }
     49 
     50     ResourceError(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription)
     51         : m_domain(domain)
     52         , m_errorCode(errorCode)
     53         , m_failingURL(failingURL)
     54         , m_localizedDescription(localizedDescription)
     55         , m_isNull(false)
     56         , m_isCancellation(false)
     57         , m_isTimeout(false)
     58         , m_staleCopyInCache(false)
     59     {
     60     }
     61 
     62     // Makes a deep copy. Useful for when you need to use a ResourceError on another thread.
     63     ResourceError copy() const;
     64 
     65     bool isNull() const { return m_isNull; }
     66 
     67     const String& domain() const { return m_domain; }
     68     int errorCode() const { return m_errorCode; }
     69     const String& failingURL() const { return m_failingURL; }
     70     const String& localizedDescription() const { return m_localizedDescription; }
     71 
     72     void setIsCancellation(bool isCancellation) { m_isCancellation = isCancellation; }
     73     bool isCancellation() const { return m_isCancellation; }
     74 
     75     void setIsTimeout(bool isTimeout) { m_isTimeout = isTimeout; }
     76     bool isTimeout() const { return m_isTimeout; }
     77     void setStaleCopyInCache(bool staleCopyInCache) { m_staleCopyInCache = staleCopyInCache; }
     78     bool staleCopyInCache() const { return m_staleCopyInCache; }
     79 
     80     static bool compare(const ResourceError&, const ResourceError&);
     81 
     82 private:
     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     bool m_isTimeout;
     90     bool m_staleCopyInCache;
     91 };
     92 
     93 inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceError::compare(a, b); }
     94 inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); }
     95 
     96 } // namespace WebCore
     97 
     98 #endif // ResourceError_h
     99