third_party/WebKit/Source/core/dom/DocumentEncodingData.h

   1 /*
   2  * Copyright (C) 2013 Google 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 are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef DocumentEncodingData_h
  32 #define DocumentEncodingData_h
  33
  34 #include "platform/CrossThreadCopier.h"
  35 #include "wtf/Allocator.h"
  36 #include "wtf/text/TextEncoding.h"
  37
  38 namespace blink {
  39 class TextResourceDecoder;
  40
  41 class DocumentEncodingData {
  42     DISALLOW_ALLOCATION();
  43 public:
  44     DocumentEncodingData();
  45     explicit DocumentEncodingData(const TextResourceDecoder&);
  46
  47     const WTF::TextEncoding& encoding() const { return m_encoding; }
  48     void setEncoding(const WTF::TextEncoding&);
  49     bool wasDetectedHeuristically() const { return m_wasDetectedHeuristically; }
  50     bool sawDecodingError() const { return m_sawDecodingError; }
  51
  52 private:
  53     WTF::TextEncoding m_encoding;
  54     bool m_wasDetectedHeuristically;
  55     bool m_sawDecodingError;
  56 };
  57
  58 template<> struct CrossThreadCopierBase<false, false, false, DocumentEncodingData> : public CrossThreadCopierPassThrough<DocumentEncodingData> {
  59 };
  60
  61 inline bool operator!=(const DocumentEncodingData& a, const DocumentEncodingData& b)
  62 {
  63     return a.encoding() != b.encoding()
  64         || a.wasDetectedHeuristically() != b.wasDetectedHeuristically()
  65         || a.sawDecodingError() != b.sawDecodingError();
  66 }
  67
  68 } // namespace blink
  69
  70 #endif // DocumentEncodingData_h