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/*
* Copyright (C) 2012 Michael Pruett <michael@68k.org>
*
* 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.
*
* 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.
*/
#ifndef DOMRequestState_h
#define DOMRequestState_h
#include "DOMWrapperWorld.h"
#include "Document.h"
#include "ScriptState.h"
#include "WorkerGlobalScope.h"
namespace WebCore {
class ScriptExecutionContext;
class DOMRequestState {
public:
explicit DOMRequestState(ScriptExecutionContext* scriptExecutionContext)
: m_scriptExecutionContext(scriptExecutionContext)
, m_exec(nullptr)
{
if (is<Document>(*m_scriptExecutionContext)) {
Document& document = downcast<Document>(*m_scriptExecutionContext);
m_exec = execStateFromPage(mainThreadNormalWorld(), document.page());
} else {
WorkerGlobalScope* workerGlobalScope = static_cast<WorkerGlobalScope*>(m_scriptExecutionContext);
m_exec = execStateFromWorkerGlobalScope(workerGlobalScope);
}
}
void clear()
{
m_scriptExecutionContext = nullptr;
m_exec = nullptr;
}
class Scope {
public:
explicit Scope(DOMRequestState& state)
: m_locker(state.exec())
{
}
private:
JSC::JSLockHolder m_locker;
};
JSC::ExecState* exec()
{
return m_exec;
}
private:
ScriptExecutionContext* m_scriptExecutionContext;
JSC::ExecState* m_exec;
};
}
#endif
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