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1 /* | |
2 * Copyright (C) 2009 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 V8WindowShell_h | |
32 #define V8WindowShell_h | |
33 | |
34 #include "bindings/v8/DOMWrapperWorld.h" | |
35 #include "bindings/v8/ScopedPersistent.h" | |
36 #include "bindings/v8/V8PerContextData.h" | |
37 #include "bindings/v8/WrapperTypeInfo.h" | |
38 #include "weborigin/SecurityOrigin.h" | |
39 #include "wtf/Forward.h" | |
40 #include "wtf/HashMap.h" | |
41 #include "wtf/PassRefPtr.h" | |
42 #include "wtf/RefCounted.h" | |
43 #include "wtf/RefPtr.h" | |
44 #include "wtf/text/AtomicString.h" | |
45 #include <v8.h> | |
46 | |
47 namespace WebCore { | |
48 | |
49 class DOMWindow; | |
50 class Frame; | |
51 class HTMLDocument; | |
52 | |
53 // V8WindowShell represents all the per-global object state for a Frame that | |
54 // persist between navigations. | |
55 class V8WindowShell { | |
56 public: | |
57 static PassOwnPtr<V8WindowShell> create(Frame*, PassRefPtr<DOMWrapperWorld>,
v8::Isolate*); | |
58 | |
59 v8::Local<v8::Context> context() const { return v8::Local<v8::Context>::New(
m_context.get()); } | |
60 | |
61 // Update document object of the frame. | |
62 void updateDocument(); | |
63 | |
64 void namedItemAdded(HTMLDocument*, const AtomicString&); | |
65 void namedItemRemoved(HTMLDocument*, const AtomicString&); | |
66 | |
67 // Update the security origin of a document | |
68 // (e.g., after setting docoument.domain). | |
69 void updateSecurityOrigin(); | |
70 | |
71 bool isContextInitialized() { return !m_context.isEmpty(); } | |
72 bool isGlobalInitialized() { return !m_global.isEmpty(); } | |
73 | |
74 bool initializeIfNeeded(); | |
75 void updateDocumentWrapper(v8::Handle<v8::Object> wrapper); | |
76 | |
77 void clearForNavigation(); | |
78 void clearForClose(bool destroyGlobal); | |
79 | |
80 DOMWrapperWorld* world() { return m_world.get(); } | |
81 | |
82 private: | |
83 V8WindowShell(Frame*, PassRefPtr<DOMWrapperWorld>, v8::Isolate*); | |
84 | |
85 void disposeContext(); | |
86 | |
87 void setSecurityToken(); | |
88 | |
89 // The JavaScript wrapper for the document object is cached on the global | |
90 // object for fast access. UpdateDocumentProperty sets the wrapper | |
91 // for the current document on the global object. ClearDocumentProperty | |
92 // deletes the document wrapper from the global object. | |
93 void updateDocumentProperty(); | |
94 void clearDocumentProperty(); | |
95 | |
96 void createContext(); | |
97 bool installDOMWindow(); | |
98 | |
99 static V8WindowShell* enteredIsolatedWorldContext(); | |
100 | |
101 Frame* m_frame; | |
102 RefPtr<DOMWrapperWorld> m_world; | |
103 v8::Isolate* m_isolate; | |
104 | |
105 OwnPtr<V8PerContextData> m_perContextData; | |
106 | |
107 ScopedPersistent<v8::Context> m_context; | |
108 ScopedPersistent<v8::Object> m_global; | |
109 ScopedPersistent<v8::Object> m_document; | |
110 }; | |
111 | |
112 } // namespace WebCore | |
113 | |
114 #endif // V8WindowShell_h | |
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