/*

 * Copyright (C) 2008, 2009 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. ``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

 * 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 "DOMApplicationCache.h"

#if ENABLE(OFFLINE_WEB_APPLICATIONS)

#include "ApplicationCacheHost.h"

#include "DocumentLoader.h"

#include "Event.h"

#include "EventException.h"

#include "EventListener.h"

#include "EventNames.h"

#include "Frame.h"

#include "FrameLoader.h"

namespace WebCore {

DOMApplicationCache::DOMApplicationCache(Frame* frame)

    : m_frame(frame)

{

    ApplicationCacheHost* cacheHost = applicationCacheHost();

    if (cacheHost)

        cacheHost->setDOMApplicationCache(this);

}

void DOMApplicationCache::disconnectFrame()

{

    ApplicationCacheHost* cacheHost = applicationCacheHost();

    if (cacheHost)

        cacheHost->setDOMApplicationCache(0);

    m_frame = 0;

}

ApplicationCacheHost* DOMApplicationCache::applicationCacheHost() const

{

    if (!m_frame || !m_frame->loader()->documentLoader())

        return 0;

    return m_frame->loader()->documentLoader()->applicationCacheHost();

}

unsigned short DOMApplicationCache::status() const

{

    ApplicationCacheHost* cacheHost = applicationCacheHost();

    if (!cacheHost)

        return ApplicationCacheHost::UNCACHED;

    return cacheHost->status();

}

void DOMApplicationCache::update(ExceptionCode& ec)

{

    ApplicationCacheHost* cacheHost = applicationCacheHost();

    if (!cacheHost || !cacheHost->update())

        ec = INVALID_STATE_ERR;

}

void DOMApplicationCache::swapCache(ExceptionCode& ec)

{

    ApplicationCacheHost* cacheHost = applicationCacheHost();

    if (!cacheHost || !cacheHost->swapCache())

        ec = INVALID_STATE_ERR;

}

ScriptExecutionContext* DOMApplicationCache::scriptExecutionContext() const

{

    if (m_frame)

        return m_frame->document();

    return 0;

}

const AtomicString& DOMApplicationCache::toEventType(ApplicationCacheHost::EventID id)

{

    switch (id) {

    case ApplicationCacheHost::CHECKING_EVENT:

        return eventNames().checkingEvent;

    case ApplicationCacheHost::ERROR_EVENT:

        return eventNames().errorEvent;

    case ApplicationCacheHost::NOUPDATE_EVENT:

        return eventNames().noupdateEvent;

    case ApplicationCacheHost::DOWNLOADING_EVENT:

        return eventNames().downloadingEvent;

    case ApplicationCacheHost::PROGRESS_EVENT:

        return eventNames().progressEvent;

    case ApplicationCacheHost::UPDATEREADY_EVENT:

        return eventNames().updatereadyEvent;

    case ApplicationCacheHost::CACHED_EVENT:

        return eventNames().cachedEvent;

    case ApplicationCacheHost::OBSOLETE_EVENT:            

        return eventNames().obsoleteEvent;

    }

    ASSERT_NOT_REACHED();

    return eventNames().errorEvent;

}

EventTargetData* DOMApplicationCache::eventTargetData()

{

    return &m_eventTargetData;

}

EventTargetData* DOMApplicationCache::ensureEventTargetData()

{

    return &m_eventTargetData;

}

} // namespace WebCore

#endif // ENABLE(OFFLINE_WEB_APPLICATIONS)