/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is TransforMiiX XSLT processor.
 *
 * The Initial Developer of the Original Code is The MITRE Corporation.
 * Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
 *
 * Portions created by Peter Van der Beken are Copyright (C) 2000
 * Peter Van der Beken. All Rights Reserved.
 *
 * Contributor(s):
 * Peter Van der Beken, peter.vanderbeken@pandora.be
 *    -- original author.
 *
 */

/* Base class of all the wrapper classes. Takes care of addref'ing and
   releasing the Mozilla objects.
*/

#include "mozilladom.h"

MOZ_DECL_CTOR_COUNTER(MozillaObjectWrapper)

/**
 * Construct a wrapper with the specified Mozilla object and document owner.
 *
 * @param aNsObject the Mozilla object you want to wrap
 * @param aOwner the document that owns this object
 */
MozillaObjectWrapper::MozillaObjectWrapper(nsISupports* aNsObject,
        Document* aOwner)
{
    MOZ_COUNT_CTOR(MozillaObjectWrapper);
    nsObject = aNsObject;
    ownerDocument = aOwner;
    if (ownerDocument)
        ownerDocument->addWrapper(this);
}

/**
 * Destructor
 */
MozillaObjectWrapper::~MozillaObjectWrapper()
{
    MOZ_COUNT_DTOR(MozillaObjectWrapper);
    NS_ASSERTION(ownerDocument->bInHashTableDeletion,
                 "Never directly delete a DOM object, except a document!");
}

/**
 * Wrap a different Mozilla object with this wrapper.
 *
 * @param aNsObject the Mozilla object you want to wrap
 */
void MozillaObjectWrapper::setNSObj(nsISupports* aNsObject)
{
    nsObject = aNsObject;
}

/**
 * Wrap a different Mozilla object with this wrapper and set document owner.
 *
 * @param aNsObject the Mozilla object you want to wrap
 */
void MozillaObjectWrapper::setNSObj(nsISupports* aNsObject, Document* aOwner)
{
    nsObject = aNsObject;
    ownerDocument = aOwner;
    if (ownerDocument && (ownerDocument != this))
        ownerDocument->addWrapper(this);
}

/**
 * Get the Mozilla object wrapped with this wrapper.
 *
 * @return the Mozilla object wrapped with this wrapper
 */
nsISupports* MozillaObjectWrapper::getNSObj() const
{
    return nsObject;
};