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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 HTMLImports_h | |
32 #define HTMLImports_h | |
33 | |
34 #include "core/html/LinkResource.h" | |
35 #include "core/loader/cache/CachedDocument.h" | |
36 #include "wtf/FastAllocBase.h" | |
37 #include "wtf/PassOwnPtr.h" | |
38 #include "wtf/Vector.h" | |
39 | |
40 namespace WebCore { | |
41 | |
42 class DocumentFragment; | |
43 class HTMLImports; | |
44 class HTMLImportsHost; | |
45 | |
46 // | |
47 // A LinkResource subclasss used for @rel=import. | |
48 // | |
49 class LinkImport : public LinkResource, CachedDocumentClient { | |
50 public: | |
51 enum State { | |
52 StatePreparing, | |
53 StateStarted, | |
54 StateDone | |
55 }; | |
56 | |
57 static PassRefPtr<LinkImport> create(HTMLLinkElement* owner); | |
58 | |
59 explicit LinkImport(HTMLLinkElement* owner); | |
60 virtual ~LinkImport(); | |
61 | |
62 // LinkResource | |
63 virtual void process() OVERRIDE; | |
64 virtual Type type() const OVERRIDE { return Import; } | |
65 virtual void ownerRemoved() OVERRIDE; | |
66 | |
67 DocumentFragment* importedFragment() const; | |
68 const KURL& url() const { return m_url; } | |
69 void importDestroyed(); | |
70 bool isDone() const { return m_state == StateDone; } | |
71 | |
72 private: | |
73 State startRequest(); | |
74 State finish(); | |
75 void setState(State); | |
76 | |
77 // CachedResourceClient | |
78 virtual void notifyFinished(CachedResource*) OVERRIDE; | |
79 | |
80 HTMLImports* m_imports; | |
81 LinkImport* m_ofSameLocation; | |
82 KURL m_url; | |
83 State m_state; | |
84 CachedResourceHandle<CachedDocument> m_cachedDocument; | |
85 RefPtr<DocumentFragment> m_importedFragment; | |
86 }; | |
87 | |
88 | |
89 class HTMLImports { | |
dglazkov
2013/05/23 18:32:00
I was sort of expecting to find the imported fragm
Hajime Morrita
2013/05/24 02:28:27
That is HTMLImport::m_owner Document, which is cre
| |
90 WTF_MAKE_FAST_ALLOCATED; | |
91 public: | |
92 static PassOwnPtr<HTMLImports> create(HTMLImportsHost*); | |
93 | |
94 explicit HTMLImports(HTMLImportsHost*); | |
95 virtual ~HTMLImports(); | |
96 | |
97 void addLink(PassRefPtr<LinkImport>); | |
98 PassRefPtr<DocumentFragment> createFragmentFrom(Document* source) const; | |
99 PassRefPtr<LinkImport> findLinkFor(const KURL&) const; | |
100 SecurityOrigin* securityOrigin() const; | |
101 bool haveLoaded() const; | |
102 void didLoad(); | |
103 | |
104 private: | |
105 typedef Vector<RefPtr<LinkImport> > LinkList; | |
106 | |
107 HTMLImportsHost* m_host; | |
108 RefPtr<Document> m_owner; | |
109 LinkList m_links; | |
dglazkov
2013/05/23 18:32:00
Is this the loaded import list? I am not sure...
Hajime Morrita
2013/05/24 02:28:27
This is a list of LinkImports which are loaded or
| |
110 }; | |
111 | |
112 } // namespace WebCore | |
113 | |
114 #endif // HTMLImports_h | |
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