/* * Copyright (C) 2009 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef V8WindowShell_h #define V8WindowShell_h #include "bindings/v8/DOMWrapperWorld.h" #include "bindings/v8/NewScriptState.h" #include "bindings/v8/ScopedPersistent.h" #include "bindings/v8/WrapperTypeInfo.h" #include "platform/weborigin/SecurityOrigin.h" #include "wtf/Forward.h" #include "wtf/HashMap.h" #include "wtf/PassRefPtr.h" #include "wtf/RefCounted.h" #include "wtf/RefPtr.h" #include "wtf/text/AtomicString.h" #include <v8.h> namespace WebCore { class DOMWindow; class LocalFrame; class HTMLDocument; class SecurityOrigin; // V8WindowShell represents all the per-global object state for a LocalFrame that // persist between navigations. class V8WindowShell { public: static PassOwnPtr<V8WindowShell> create(LocalFrame*, DOMWrapperWorld&, v8::Isolate*); v8::Local<v8::Context> context() const { return m_scriptState ? m_scriptState->context() : v8::Local<v8::Context>(); } // Update document object of the frame. void updateDocument(); void namedItemAdded(HTMLDocument*, const AtomicString&); void namedItemRemoved(HTMLDocument*, const AtomicString&); // Update the security origin of a document // (e.g., after setting docoument.domain). void updateSecurityOrigin(SecurityOrigin*); bool isContextInitialized() { return m_scriptState && !!m_scriptState->perContextData(); } bool isGlobalInitialized() { return !m_global.isEmpty(); } bool initializeIfNeeded(); void updateDocumentWrapper(v8::Handle<v8::Object> wrapper); void clearForNavigation(); void clearForClose(); DOMWrapperWorld& world() { return *m_world; } private: V8WindowShell(LocalFrame*, PassRefPtr<DOMWrapperWorld>, v8::Isolate*); bool initialize(); enum GlobalDetachmentBehavior { DoNotDetachGlobal, DetachGlobal }; void disposeContext(GlobalDetachmentBehavior); void setSecurityToken(SecurityOrigin*); // The JavaScript wrapper for the document object is cached on the global // object for fast access. UpdateDocumentProperty sets the wrapper // for the current document on the global object. ClearDocumentProperty // deletes the document wrapper from the global object. void updateDocumentProperty(); void clearDocumentProperty(); void createContext(); bool installDOMWindow(); static V8WindowShell* enteredIsolatedWorldContext(); LocalFrame* m_frame; v8::Isolate* m_isolate; RefPtr<NewScriptState> m_scriptState; RefPtr<DOMWrapperWorld> m_world; ScopedPersistent<v8::Object> m_global; ScopedPersistent<v8::Object> m_document; }; } // namespace WebCore #endif // V8WindowShell_h