1/* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef V8MutationCallback_h 27#define V8MutationCallback_h 28 29#include "bindings/core/v8/ActiveDOMCallback.h" 30#include "bindings/core/v8/ScopedPersistent.h" 31#include "bindings/core/v8/ScriptState.h" 32#include "core/dom/MutationCallback.h" 33#include "wtf/OwnPtr.h" 34#include "wtf/RefPtr.h" 35#include <v8.h> 36 37namespace blink { 38 39class ExecutionContext; 40 41class V8MutationCallback FINAL : public MutationCallback, public ActiveDOMCallback { 42public: 43 static PassOwnPtr<V8MutationCallback> create(v8::Handle<v8::Function> callback, v8::Handle<v8::Object> owner, ScriptState* scriptState) 44 { 45 return adoptPtr(new V8MutationCallback(callback, owner, scriptState)); 46 } 47 48 virtual void call(const WillBeHeapVector<RefPtrWillBeMember<MutationRecord> >&, MutationObserver*) OVERRIDE; 49 virtual ExecutionContext* executionContext() const OVERRIDE { return ContextLifecycleObserver::executionContext(); } 50 51private: 52 V8MutationCallback(v8::Handle<v8::Function>, v8::Handle<v8::Object>, ScriptState*); 53 54 static void setWeakCallback(const v8::WeakCallbackData<v8::Function, V8MutationCallback>&); 55 56 ScopedPersistent<v8::Function> m_callback; 57 RefPtr<ScriptState> m_scriptState; 58}; 59 60} 61 62#endif // V8MutationCallback_h 63