/*
 * Copyright (C) 2007 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. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
 */

#include "DumpRenderTree.h"
#include "GCController.h"

#include <WebCore/COMPtr.h>
#include <WebKit/IWebJavaScriptCollector.h>
#include <WebKit/WebKit.h>

void GCController::collect() const
{
    COMPtr<IWebJavaScriptCollector> collector;
    if (FAILED(::CoCreateInstance(CLSID_WebJavaScriptCollector, 0, CLSCTX_ALL, IID_IWebJavaScriptCollector, (void**)&collector)))
        return;
    collector->collect();
}

void GCController::collectOnAlternateThread(bool waitUntilDone) const
{
    COMPtr<IWebJavaScriptCollector> collector;
    if (FAILED(::CoCreateInstance(CLSID_WebJavaScriptCollector, 0, CLSCTX_ALL, IID_IWebJavaScriptCollector, (void**)&collector)))
        return;
    collector->collectOnAlternateThread(waitUntilDone ? TRUE : FALSE);
}

size_t GCController::getJSObjectCount() const
{
    COMPtr<IWebJavaScriptCollector> collector;
    if (FAILED(::CoCreateInstance(CLSID_WebJavaScriptCollector, 0, CLSCTX_ALL, IID_IWebJavaScriptCollector, (void**)&collector)))
        return 0;
    UINT objects = 0;
    collector->objectCount(&objects);
    return objects;
}