blob: 480d98ee170385354e828a7a8d36364257b0362f [file] [log] [blame]
/*
* Copyright (C) 2012 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.
*/
#pragma once
#include "DOMWindow.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class DOMWrapperWorld;
class Frame;
class DOMWindowExtension final : public RefCounted<DOMWindowExtension>, public DOMWindow::Observer {
public:
static Ref<DOMWindowExtension> create(DOMWindow* window, DOMWrapperWorld& world)
{
return adoptRef(*new DOMWindowExtension(window, world));
}
WEBCORE_EXPORT ~DOMWindowExtension();
void suspendForPageCache() final;
void resumeFromPageCache() final;
void willDestroyGlobalObjectInCachedFrame() final;
void willDestroyGlobalObjectInFrame() final;
void willDetachGlobalObjectFromFrame() final;
WEBCORE_EXPORT Frame* frame() const;
DOMWrapperWorld& world() const { return m_world; }
private:
WEBCORE_EXPORT DOMWindowExtension(DOMWindow*, DOMWrapperWorld&);
WeakPtr<DOMWindow> m_window;
Ref<DOMWrapperWorld> m_world;
RefPtr<Frame> m_disconnectedFrame;
bool m_wasDetached;
};
} // namespace WebCore