blob: 73c9f7e93f6a3edc1d154d0e3cfe4fefc320df65 [file] [log] [blame]
/*
* Copyright (C) 2012 Google 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:
*
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 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 "modules/quota/DOMWindowQuota.h"
#include "core/frame/LocalDOMWindow.h"
#include "core/frame/LocalFrame.h"
#include "modules/quota/DeprecatedStorageInfo.h"
#include "wtf/PassRefPtr.h"
namespace blink {
DOMWindowQuota::DOMWindowQuota(LocalDOMWindow& window)
: DOMWindowProperty(window.frame())
{
}
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowQuota);
const char* DOMWindowQuota::supplementName()
{
return "DOMWindowQuota";
}
// static
DOMWindowQuota& DOMWindowQuota::from(LocalDOMWindow& window)
{
DOMWindowQuota* supplement = static_cast<DOMWindowQuota*>(WillBeHeapSupplement<LocalDOMWindow>::from(window, supplementName()));
if (!supplement) {
supplement = new DOMWindowQuota(window);
provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
}
return *supplement;
}
// static
DeprecatedStorageInfo* DOMWindowQuota::webkitStorageInfo(LocalDOMWindow& window)
{
return DOMWindowQuota::from(window).webkitStorageInfo();
}
DeprecatedStorageInfo* DOMWindowQuota::webkitStorageInfo() const
{
if (!m_storageInfo && frame())
m_storageInfo = DeprecatedStorageInfo::create();
return m_storageInfo.get();
}
void DOMWindowQuota::trace(Visitor* visitor)
{
visitor->trace(m_storageInfo);
WillBeHeapSupplement<LocalDOMWindow>::trace(visitor);
DOMWindowProperty::trace(visitor);
}
} // namespace blink