content/xul/templates/src/nsContentSupportMap.cpp
author David Anderson <danderson@mozilla.com>
Mon, 21 May 2012 14:40:04 -0700
changeset 106274 80e4ab0d24bc64ceaa7693ab5def36faffde7a40
parent 105276 8cfeba5239a9e4f20c462d6fb20421b4e4e7c735
parent 94484 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 106650 08187a7ea8974548382f5d7775df8171a4ec6449
permissions -rw-r--r--
Merge from mozilla-central.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsContentSupportMap.h"
#include "nsXULElement.h"

void
nsContentSupportMap::Init()
{
    if (!PL_DHashTableInit(&mMap, PL_DHashGetStubOps(), nsnull,
                           sizeof(Entry), PL_DHASH_MIN_SIZE))
        mMap.ops = nsnull;
}

void
nsContentSupportMap::Finish()
{
    if (mMap.ops)
        PL_DHashTableFinish(&mMap);
}

nsresult
nsContentSupportMap::Remove(nsIContent* aElement)
{
    if (!mMap.ops)
        return NS_ERROR_NOT_INITIALIZED;
    
    nsIContent* child = aElement;    
    do {
        PL_DHashTableOperate(&mMap, child, PL_DHASH_REMOVE);
        child = child->GetNextNode(aElement);
    } while(child);

    return NS_OK;
}