1 /*
2 * Copyright (C) 2000 Peter Kelly (pmk@post.com)
3 * Copyright (C) 2006 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22 #ifndef ProcessingInstruction_h
23 #define ProcessingInstruction_h
24
25 #include "core/dom/CharacterData.h"
26 #include "core/fetch/ResourceOwner.h"
27 #include "core/fetch/StyleSheetResource.h"
28 #include "core/fetch/StyleSheetResourceClient.h"
29
30 namespace blink {
31
32 class StyleSheet;
33 class CSSStyleSheet;
34
35 class ProcessingInstruction FINAL : public CharacterData, private ResourceOwner<StyleSheetResource> {
36 DEFINE_WRAPPERTYPEINFO();
37 public:
38 static PassRefPtrWillBeRawPtr<ProcessingInstruction> create(Document&, const String& target, const String& data);
39 virtual ~ProcessingInstruction();
40 virtual void trace(Visitor*) OVERRIDE;
41
target()42 const String& target() const { return m_target; }
43
setCreatedByParser(bool createdByParser)44 void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }
45
localHref()46 const String& localHref() const { return m_localHref; }
sheet()47 StyleSheet* sheet() const { return m_sheet.get(); }
48 void setCSSStyleSheet(PassRefPtrWillBeRawPtr<CSSStyleSheet>);
49
isCSS()50 bool isCSS() const { return m_isCSS; }
isXSL()51 bool isXSL() const { return m_isXSL; }
52
53 void didAttributeChanged();
54 bool isLoading() const;
55
56 private:
57 ProcessingInstruction(Document&, const String& target, const String& data);
58
59 virtual String nodeName() const OVERRIDE;
60 virtual NodeType nodeType() const OVERRIDE;
61 virtual PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = true) OVERRIDE;
62
63 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
64 virtual void removedFrom(ContainerNode*) OVERRIDE;
65
66 bool checkStyleSheet(String& href, String& charset);
67 void process(const String& href, const String& charset);
68
69 virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource*) OVERRIDE;
70 virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet) OVERRIDE;
71
72 virtual bool sheetLoaded() OVERRIDE;
73
74 void parseStyleSheet(const String& sheet);
75 void clearSheet();
76
77 String m_target;
78 String m_localHref;
79 String m_title;
80 String m_media;
81 RefPtrWillBeMember<StyleSheet> m_sheet;
82 bool m_loading;
83 bool m_alternate;
84 bool m_createdByParser;
85 bool m_isCSS;
86 bool m_isXSL;
87 };
88
89 DEFINE_NODE_TYPE_CASTS(ProcessingInstruction, nodeType() == Node::PROCESSING_INSTRUCTION_NODE);
90
isXSLStyleSheet(const Node & node)91 inline bool isXSLStyleSheet(const Node& node)
92 {
93 return node.nodeType() == Node::PROCESSING_INSTRUCTION_NODE && toProcessingInstruction(node).isXSL();
94 }
95
96 } // namespace blink
97
98 #endif // ProcessingInstruction_h
99