/*

 * 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

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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "V8IsolatedContext.h"

#include "Frame.h"

#include "FrameLoaderClient.h"

#include "HashMap.h"

#include "ScriptController.h"

#include "V8DOMWindow.h"

#include "V8HiddenPropertyName.h"

namespace WebCore {

void V8IsolatedContext::contextWeakReferenceCallback(v8::Persistent<v8::Value> object, void* isolatedContext)

{

    // Our context is going away.  Time to clean up the world.

    V8IsolatedContext* context = static_cast<V8IsolatedContext*>(isolatedContext);

    delete context;

}

V8IsolatedContext::V8IsolatedContext(V8Proxy* proxy, int extensionGroup)

    : m_world(IsolatedWorld::create())

{

    v8::HandleScope scope;

    // FIXME: We should be creating a new V8DOMWindowShell here instead of riping out the context.

    m_context = SharedPersistent<v8::Context>::create(proxy->windowShell()->createNewContext(v8::Handle<v8::Object>(), extensionGroup));

    if (m_context->get().IsEmpty())

        return;

    // Run code in the new context.

    v8::Context::Scope contextScope(m_context->get());

    getGlobalObject(m_context->get())->SetPointerInInternalField(V8DOMWindow::enteredIsolatedWorldIndex, this);

    V8DOMWindowShell::installHiddenObjectPrototype(m_context->get());

    // FIXME: This will go away once we have a windowShell for the isolated world.

    proxy->windowShell()->installDOMWindow(m_context->get(), proxy->frame()->domWindow());

    // Using the default security token means that the canAccess is always

    // called, which is slow.

    // FIXME: Use tokens where possible. This will mean keeping track of all

    //        created contexts so that they can all be updated when the

    //        document domain

    //        changes.

    m_context->get()->UseDefaultSecurityToken();

    proxy->frame()->loader()->client()->didCreateIsolatedScriptContext();

}

void V8IsolatedContext::destroy()

{

    m_context->get().MakeWeak(this, &contextWeakReferenceCallback);

}

V8IsolatedContext::~V8IsolatedContext()

{

    m_context->disposeHandle();

}

} // namespace WebCore