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/*
* Copyright (C) 2013 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:
* 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.
*/
#include "config.h"
#include "JSMutationCallback.h"
#include "JSDOMGlobalObject.h"
#include "JSMainThreadExecState.h"
#include "JSMainThreadExecStateInstrumentation.h"
#include "JSMutationObserver.h"
#include "JSMutationRecord.h"
#include "ScriptExecutionContext.h"
#include <heap/WeakInlines.h>
#include <runtime/JSLock.h>
using namespace JSC;
namespace WebCore {
JSMutationCallback::JSMutationCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
: ActiveDOMCallback(globalObject->scriptExecutionContext())
, m_callback(callback)
, m_isolatedWorld(&globalObject->world())
{
}
JSMutationCallback::~JSMutationCallback()
{
}
void JSMutationCallback::call(const Vector<RefPtr<MutationRecord>>& mutations, MutationObserver* observer)
{
if (!canInvokeCallback())
return;
Ref<JSMutationCallback> protect(*this);
JSLockHolder lock(m_isolatedWorld->vm());
if (!m_callback)
return;
JSValue callback = m_callback.get();
CallData callData;
CallType callType = getCallData(callback, callData);
if (callType == CallTypeNone) {
ASSERT_NOT_REACHED();
return;
}
ScriptExecutionContext* context = scriptExecutionContext();
if (!context)
return;
ASSERT(context->isDocument());
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(context, *m_isolatedWorld);
ExecState* exec = globalObject->globalExec();
JSValue jsObserver = toJS(exec, globalObject, observer);
MarkedArgumentBuffer args;
args.append(jsArray(exec, globalObject, mutations));
args.append(jsObserver);
InspectorInstrumentationCookie cookie = JSMainThreadExecState::instrumentFunctionCall(context, callType, callData);
NakedPtr<Exception> exception;
JSMainThreadExecState::profiledCall(exec, JSC::ProfilingReason::Other, callback, callType, callData, jsObserver, args, exception);
InspectorInstrumentation::didCallFunction(cookie, context);
if (exception)
reportException(exec, exception);
}
} // namespace WebCore
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