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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 "wtf/text/WTFString.h"
     31 
     32 namespace WebCore {
     33 
     34 extern const char* const errorDomainWebKitInternal; // Used for errors that won't be exposed to clients.
     35 
     36 class ResourceError {
     37 public:
     38     static ResourceError cancelledError(const String& failingURL);
     39 
     40     ResourceError()
     41         : m_errorCode(0)
     42         , m_isNull(true)
     43         , m_isCancellation(false)
     44         , m_isTimeout(false)
     45     {
     46     }
     47 
     48     ResourceError(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription)
     49         : m_domain(domain)
     50         , m_errorCode(errorCode)
     51         , m_failingURL(failingURL)
     52         , m_localizedDescription(localizedDescription)
     53         , m_isNull(false)
     54         , m_isCancellation(false)
     55         , m_isTimeout(false)
     56     {
     57     }
     58 
     59     // Makes a deep copy. Useful for when you need to use a ResourceError on another thread.
     60     ResourceError copy() const;
     61 
     62     bool isNull() const { return m_isNull; }
     63 
     64     const String& domain() const { return m_domain; }
     65     int errorCode() const { return m_errorCode; }
     66     const String& failingURL() const { return m_failingURL; }
     67     const String& localizedDescription() const { return m_localizedDescription; }
     68 
     69     void setIsCancellation(bool isCancellation) { m_isCancellation = isCancellation; }
     70     bool isCancellation() const { return m_isCancellation; }
     71 
     72     void setIsTimeout(bool isTimeout) { m_isTimeout = isTimeout; }
     73     bool isTimeout() const { return m_isTimeout; }
     74 
     75     static bool compare(const ResourceError&, const ResourceError&);
     76 
     77 private:
     78     String m_domain;
     79     int m_errorCode;
     80     String m_failingURL;
     81     String m_localizedDescription;
     82     bool m_isNull;
     83     bool m_isCancellation;
     84     bool m_isTimeout;
     85 };
     86 
     87 inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceError::compare(a, b); }
     88 inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); }
     89 
     90 } // namespace WebCore
     91 
     92 #endif // ResourceError_h
     93