/*
 * Copyright 2011, The Android Open Source Project
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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
 * (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 "config.h"
#include "TextureOwner.h"

#include "BackedDoubleBufferedTexture.h"

namespace WebCore {

TextureOwner::~TextureOwner()
{
    if (m_ownedTextures.size()) {
        // This TextureOwner owns textures still!
        HashSet<BackedDoubleBufferedTexture*> textures;
        // Swap to a local copy because release will modify the iterator.
        textures.swap(m_ownedTextures);
        HashSet<BackedDoubleBufferedTexture*>::const_iterator it = textures.begin();
        for (; it != textures.end(); ++it)
            (*it)->release(this);
    }
}

void TextureOwner::addOwned(BackedDoubleBufferedTexture* t)
{
    // This TextureOwner now owns texture t
    m_ownedTextures.add(t);
}

void TextureOwner::removeOwned(BackedDoubleBufferedTexture* t)
{
    // This textureowner no longer owns texture t.
    m_ownedTextures.remove(t);
}
}