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/*
* 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 "core/loader/appcache/ApplicationCache.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/events/EventListener.h"
#include "core/frame/LocalFrame.h"
#include "core/loader/DocumentLoader.h"
#include "core/loader/FrameLoader.h"
namespace blink {
ApplicationCache::ApplicationCache(LocalFrame* frame)
: DOMWindowProperty(frame)
{
ApplicationCacheHost* cacheHost = applicationCacheHost();
if (cacheHost)
cacheHost->setApplicationCache(this);
}
DEFINE_TRACE(ApplicationCache)
{
RefCountedGarbageCollectedEventTargetWithInlineData<ApplicationCache>::trace(visitor);
DOMWindowProperty::trace(visitor);
}
void ApplicationCache::willDestroyGlobalObjectInFrame()
{
if (ApplicationCacheHost* cacheHost = applicationCacheHost())
cacheHost->setApplicationCache(0);
DOMWindowProperty::willDestroyGlobalObjectInFrame();
}
ApplicationCacheHost* ApplicationCache::applicationCacheHost() const
{
if (!m_frame || !m_frame->loader().documentLoader())
return 0;
return m_frame->loader().documentLoader()->applicationCacheHost();
}
unsigned short ApplicationCache::status() const
{
ApplicationCacheHost* cacheHost = applicationCacheHost();
if (!cacheHost)
return ApplicationCacheHost::UNCACHED;
return cacheHost->status();
}
void ApplicationCache::update(ExceptionState& exceptionState)
{
ApplicationCacheHost* cacheHost = applicationCacheHost();
if (!cacheHost || !cacheHost->update())
exceptionState.throwDOMException(InvalidStateError, "there is no application cache to update.");
}
void ApplicationCache::swapCache(ExceptionState& exceptionState)
{
ApplicationCacheHost* cacheHost = applicationCacheHost();
if (!cacheHost || !cacheHost->swapCache())
exceptionState.throwDOMException(InvalidStateError, "there is no newer application cache to swap to.");
}
void ApplicationCache::abort()
{
ApplicationCacheHost* cacheHost = applicationCacheHost();
if (cacheHost)
cacheHost->abort();
}
const AtomicString& ApplicationCache::interfaceName() const
{
return EventTargetNames::ApplicationCache;
}
ExecutionContext* ApplicationCache::executionContext() const
{
if (m_frame)
return m_frame->document();
return 0;
}
const AtomicString& ApplicationCache::toEventType(ApplicationCacheHost::EventID id)
{
switch (id) {
case ApplicationCacheHost::CHECKING_EVENT:
return EventTypeNames::checking;
case ApplicationCacheHost::ERROR_EVENT:
return EventTypeNames::error;
case ApplicationCacheHost::NOUPDATE_EVENT:
return EventTypeNames::noupdate;
case ApplicationCacheHost::DOWNLOADING_EVENT:
return EventTypeNames::downloading;
case ApplicationCacheHost::PROGRESS_EVENT:
return EventTypeNames::progress;
case ApplicationCacheHost::UPDATEREADY_EVENT:
return EventTypeNames::updateready;
case ApplicationCacheHost::CACHED_EVENT:
return EventTypeNames::cached;
case ApplicationCacheHost::OBSOLETE_EVENT:
return EventTypeNames::obsolete;
}
ASSERT_NOT_REACHED();
return EventTypeNames::error;
}
} // namespace blink