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/*
* Copyright (C) 2016 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.
*/
#pragma once
#include <WebCore/ActiveDOMObject.h>
#include <wtf/Threading.h>
namespace WebCore {
class IDBActiveDOMObject : public ActiveDOMObject {
public:
Thread& originThread() const { return m_originThread.get(); }
void contextDestroyed() final {
ASSERT(canCurrentThreadAccessThreadLocalData(originThread()));
Locker<Lock> lock(m_scriptExecutionContextLock);
ActiveDOMObject::contextDestroyed();
}
template<typename T, typename... Parameters, typename... Arguments>
inline void performCallbackOnOriginThread(T&, void (T::*)(Parameters...), Arguments&&...);
inline void callFunctionOnOriginThread(Function<void()>&&);
protected:
IDBActiveDOMObject(ScriptExecutionContext* context)
: ActiveDOMObject(context)
{
ASSERT(context);
}
private:
const Ref<Thread> m_originThread { Thread::currentSingleton() };
Lock m_scriptExecutionContextLock;
};
} // namespace WebCore
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