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/*
* 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/ScopedPersistent.h"
#include "bindings/v8/V8PerContextData.h"
#include "bindings/v8/WrapperTypeInfo.h"
#include "gin/public/context_holder.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 Frame;
class HTMLDocument;
// V8WindowShell represents all the per-global object state for a Frame that
// persist between navigations.
class V8WindowShell {
public:
static PassOwnPtr<V8WindowShell> create(Frame*, PassRefPtr<DOMWrapperWorld>, v8::Isolate*);
v8::Local<v8::Context> context() const { return m_contextHolder ? m_contextHolder->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();
bool isContextInitialized() { return m_contextHolder; }
bool isGlobalInitialized() { return !m_global.isEmpty(); }
bool initializeIfNeeded();
void updateDocumentWrapper(v8::Handle<v8::Object> wrapper);
void clearForNavigation();
void clearForClose(bool destroyGlobal);
DOMWrapperWorld* world() { return m_world.get(); }
private:
V8WindowShell(Frame*, PassRefPtr<DOMWrapperWorld>, v8::Isolate*);
enum GlobalDetachmentBehavior {
DoNotDetachGlobal,
DetachGlobal
};
void disposeContext(GlobalDetachmentBehavior);
void setSecurityToken();
// 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();
Frame* m_frame;
RefPtr<DOMWrapperWorld> m_world;
v8::Isolate* m_isolate;
OwnPtr<V8PerContextData> m_perContextData;
OwnPtr<gin::ContextHolder> m_contextHolder;
ScopedPersistent<v8::Object> m_global;
ScopedPersistent<v8::Object> m_document;
};
} // namespace WebCore
#endif // V8WindowShell_h
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