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/*
* Copyright (C) 2010, 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"
#if ENABLE(MUTATION_OBSERVERS)
#include "V8MutationCallback.h"
#include "ScriptExecutionContext.h"
#include "V8Binding.h"
#include "V8CustomVoidCallback.h"
#include "V8MutationRecord.h"
#include "V8Proxy.h"
#include "V8WebKitMutationObserver.h"
#include <wtf/Assertions.h>
#include <wtf/GetPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
bool V8MutationCallback::handleEvent(MutationRecordArray* mutations, WebKitMutationObserver* observer)
{
ASSERT(mutations);
if (!mutations)
return true;
if (!canInvokeCallback())
return true;
v8::HandleScope handleScope;
v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_worldContext);
if (v8Context.IsEmpty())
return true;
v8::Context::Scope scope(v8Context);
v8::Local<v8::Array> mutationsArray = v8::Array::New(mutations->size());
for (size_t i = 0; i < mutations->size(); ++i)
mutationsArray->Set(v8::Integer::New(i), toV8(mutations->at(i).get()));
v8::Handle<v8::Value> observerHandle = toV8(observer);
if (observerHandle.IsEmpty()) {
if (!isScriptControllerTerminating())
CRASH();
return true;
}
if (!observerHandle->IsObject())
return true;
v8::Handle<v8::Value> argv[] = {
mutationsArray,
observerHandle
};
bool callbackReturnValue = false;
return !invokeCallback(m_callback, v8::Handle<v8::Object>::Cast(observerHandle), 2, argv, callbackReturnValue, scriptExecutionContext());
}
} // namespace WebCore
#endif // ENABLE(MUTATION_OBSERVERS)