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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 "platform/heap/Handle.h"
     34 #include "wtf/RefCounted.h"
     35 #include "wtf/text/WTFString.h"
     36 
     37 namespace blink {
     38 
     39 class Document;
     40 class DocumentParser;
     41 
     42 class DocumentWriter : public RefCountedWillBeGarbageCollectedFinalized<DocumentWriter> {
     43     WTF_MAKE_NONCOPYABLE(DocumentWriter);
     44 public:
     45     static PassRefPtrWillBeRawPtr<DocumentWriter> create(Document*, const AtomicString& mimeType = emptyAtom, const AtomicString& encoding = emptyAtom);
     46 
     47     ~DocumentWriter();
     48     void trace(Visitor*);
     49 
     50     void end();
     51 
     52     // This is only called by ScriptController::executeScriptIfJavaScriptURL
     53     // and always contains the result of evaluating a javascript: url.
     54     void replaceDocumentWhileExecutingJavaScriptURL(const String&, Document* ownerDocument);
     55 
     56     void addData(const char* bytes, size_t length);
     57 
     58     const AtomicString& mimeType() const { return m_decoderBuilder.mimeType(); }
     59     const AtomicString& encoding() const { return m_decoderBuilder.encoding(); }
     60 
     61     // Exposed for DocumentLoader::replaceDocumentWhileExecutingJavaScriptURL.
     62     void appendReplacingData(const String&);
     63 
     64     void setUserChosenEncoding(const String& charset);
     65 
     66     void setDocumentWasLoadedAsPartOfNavigation();
     67 
     68 private:
     69     DocumentWriter(Document*, const AtomicString& mimeType, const AtomicString& encoding);
     70 
     71     RawPtrWillBeMember<Document> m_document;
     72     TextResourceDecoderBuilder m_decoderBuilder;
     73 
     74     RefPtrWillBeMember<DocumentParser> m_parser;
     75 };
     76 
     77 } // namespace blink
     78 
     79 #endif // DocumentWriter_h
     80