webkit/src/WebCore/bindings/js/JSDOMGlobalObject.cpp

/*
 * Copyright (C) 2008, 2009 Apple 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 
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 */

#include "config.h"
#include "JSDOMGlobalObject.h"

#include "Document.h"
#include "JSDOMWindow.h"
#include "JSEventListener.h"

#if ENABLE(WORKERS)
#include "JSWorkerContext.h"
#include "WorkerContext.h"
#endif

using namespace JSC;

namespace WebCore {

JSDOMGlobalObject::JSDOMGlobalObject(NonNullPassRefPtr<Structure> structure, JSDOMGlobalObject::JSDOMGlobalObjectData* data, JSObject* thisValue)
    : JSGlobalObject(structure, data, thisValue)
{
}

void JSDOMGlobalObject::markChildren(MarkStack& markStack)
{
    Base::markChildren(markStack);

    JSDOMStructureMap::iterator end = structures().end();
    for (JSDOMStructureMap::iterator it = structures().begin(); it != end; ++it)
        markStack.append(it->second->storedPrototype());

    JSDOMConstructorMap::iterator end2 = constructors().end();
    for (JSDOMConstructorMap::iterator it2 = constructors().begin(); it2 != end2; ++it2)
        markStack.append(it2->second);
}

PassRefPtr<JSEventListener> JSDOMGlobalObject::createJSAttributeEventListener(JSValue val)
{
    if (!val.isObject())
        return 0;

    return JSEventListener::create(asObject(val), true, currentWorld(globalExec())).get();
}

void JSDOMGlobalObject::setCurrentEvent(Event* evt)
{
    d()->evt = evt;
}

Event* JSDOMGlobalObject::currentEvent() const
{
    return d()->evt;
}

void JSDOMGlobalObject::destroyJSDOMGlobalObjectData(void* jsDOMGlobalObjectData)
{
    delete static_cast<JSDOMGlobalObjectData*>(jsDOMGlobalObjectData);
}

JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, JSC::ExecState* exec)
{
    return toJSDOMWindow(document->frame(), currentWorld(exec));
}

JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, JSC::ExecState* exec)
{
    if (scriptExecutionContext->isDocument())
        return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), exec);

#if ENABLE(WORKERS)
    if (scriptExecutionContext->isWorkerContext())
        return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
#endif

    ASSERT_NOT_REACHED();
    return 0;
}

JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, DOMWrapperWorld* world)
{
    return toJSDOMWindow(document->frame(), world);
}

JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, DOMWrapperWorld* world)
{
    if (scriptExecutionContext->isDocument())
        return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), world);

#if ENABLE(WORKERS)
    if (scriptExecutionContext->isWorkerContext())
        return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
#endif

    ASSERT_NOT_REACHED();
    return 0;
}

} // namespace WebCore