/* * 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(), 0)); v8::Handle<v8::Value> observerHandle = toV8(observer, 0); 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)