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      1 /*
      2  * Copyright (C) 2010. Adam Barth. 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  *
      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  * 3.  Neither the name of Adam Barth. ("Adam Barth") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef DocumentWriter_h
     30 #define DocumentWriter_h
     31 
     32 #include "core/loader/TextResourceDecoderBuilder.h"
     33 #include "wtf/RefCounted.h"
     34 #include "wtf/text/WTFString.h"
     35 
     36 namespace WebCore {
     37 
     38 class Document;
     39 class DocumentParser;
     40 class Frame;
     41 class KURL;
     42 class SecurityOrigin;
     43 class TextResourceDecoder;
     44 
     45 class DocumentWriter : public RefCounted<DocumentWriter> {
     46     WTF_MAKE_NONCOPYABLE(DocumentWriter);
     47 public:
     48     static PassRefPtr<DocumentWriter> create(Document*, const AtomicString& mimeType = emptyAtom, const AtomicString& encoding = emptyAtom, bool encodingUserChoosen = false);
     49 
     50     ~DocumentWriter();
     51 
     52     void end();
     53 
     54     // This is only called by ScriptController::executeScriptIfJavaScriptURL
     55     // and always contains the result of evaluating a javascript: url.
     56     void replaceDocument(const String&, Document* ownerDocument);
     57 
     58     void addData(const char* bytes, size_t length);
     59 
     60     const AtomicString& mimeType() const { return m_decoderBuilder.mimeType(); }
     61     const AtomicString& encoding() const { return m_decoderBuilder.encoding(); }
     62     bool encodingWasChosenByUser() const { return m_decoderBuilder.encodingWasChosenByUser(); }
     63 
     64     // Exposed for DocumentLoader::replaceDocument.
     65     void appendReplacingData(const String&);
     66 
     67     void setUserChosenEncoding(const String& charset);
     68 
     69     void setDocumentWasLoadedAsPartOfNavigation();
     70 
     71 private:
     72     DocumentWriter(Document*, const AtomicString& mimeType, const AtomicString& encoding, bool encodingUserChoosen);
     73 
     74     PassRefPtr<Document> createDocument(const KURL&);
     75 
     76     Document* m_document;
     77     TextResourceDecoderBuilder m_decoderBuilder;
     78 
     79     RefPtr<DocumentParser> m_parser;
     80 };
     81 
     82 } // namespace WebCore
     83 
     84 #endif // DocumentWriter_h
     85