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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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