/*
 * Copyright (C) 2011 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 INC. 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 INC. 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 "config.h"
#include "GeolocationPermissionRequestProxy.h"

#include "GeolocationPermissionRequestManagerProxy.h"

namespace WebKit {

GeolocationPermissionRequestProxy::GeolocationPermissionRequestProxy(GeolocationPermissionRequestManagerProxy* manager, uint64_t geolocationID)
    : m_manager(manager)
    , m_geolocationID(geolocationID)
{
}

void GeolocationPermissionRequestProxy::allow()
{
    if (!m_manager)
        return;

    m_manager->didReceiveGeolocationPermissionDecision(m_geolocationID, true);
    m_manager = nullptr;
}

void GeolocationPermissionRequestProxy::deny()
{
    if (!m_manager)
        return;
    
    m_manager->didReceiveGeolocationPermissionDecision(m_geolocationID, false);
    m_manager = nullptr;
}

void GeolocationPermissionRequestProxy::invalidate()
{
    m_manager = nullptr;
}

} // namespace WebKit
