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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 WebCore {
38 
39 class Document;
40 class DocumentParser;
41 class LocalFrame;
42 class KURL;
43 class SecurityOrigin;
44 class TextResourceDecoder;
45 
46 class DocumentWriter : public RefCountedWillBeGarbageCollectedFinalized<DocumentWriter> {
47     WTF_MAKE_NONCOPYABLE(DocumentWriter);
48 public:
49     static PassRefPtrWillBeRawPtr<DocumentWriter> create(Document*, const AtomicString& mimeType = emptyAtom, const AtomicString& encoding = emptyAtom, bool encodingUserChoosen = false);
50 
51     ~DocumentWriter();
52     void trace(Visitor*);
53 
54     void end();
55 
56     // This is only called by ScriptController::executeScriptIfJavaScriptURL
57     // and always contains the result of evaluating a javascript: url.
58     void replaceDocument(const String&, Document* ownerDocument);
59 
60     void addData(const char* bytes, size_t length);
61 
mimeType()62     const AtomicString& mimeType() const { return m_decoderBuilder.mimeType(); }
encoding()63     const AtomicString& encoding() const { return m_decoderBuilder.encoding(); }
encodingWasChosenByUser()64     bool encodingWasChosenByUser() const { return m_decoderBuilder.encodingWasChosenByUser(); }
65 
66     // Exposed for DocumentLoader::replaceDocument.
67     void appendReplacingData(const String&);
68 
69     void setUserChosenEncoding(const String& charset);
70 
71     void setDocumentWasLoadedAsPartOfNavigation();
72 
73 private:
74     DocumentWriter(Document*, const AtomicString& mimeType, const AtomicString& encoding, bool encodingUserChoosen);
75 
76     RawPtrWillBeMember<Document> m_document;
77     TextResourceDecoderBuilder m_decoderBuilder;
78 
79     RefPtrWillBeMember<DocumentParser> m_parser;
80 };
81 
82 } // namespace WebCore
83 
84 #endif // DocumentWriter_h
85