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/v8/ActiveDOMCallback.h" 30 #include "bindings/v8/DOMWrapperWorld.h" 31 #include "bindings/v8/ScopedPersistent.h" 32 #include "bindings/v8/V8Utilities.h" 33 #include "core/dom/MutationCallback.h" 34 #include <v8.h> 35 #include "wtf/RefPtr.h" 36 37 namespace WebCore { 38 39 class ScriptExecutionContext; 40 41 class V8MutationCallback : public MutationCallback, public ActiveDOMCallback { 42 public: 43 static PassRefPtr<V8MutationCallback> create(v8::Handle<v8::Function> callback, ScriptExecutionContext* context, v8::Handle<v8::Object> owner, v8::Isolate* isolate) 44 { 45 ASSERT(context); 46 return adoptRef(new V8MutationCallback(callback, context, owner, isolate)); 47 } 48 49 virtual void call(const Vector<RefPtr<MutationRecord> >&, MutationObserver*) OVERRIDE; 50 virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE { return ContextLifecycleObserver::scriptExecutionContext(); } 51 52 private: 53 V8MutationCallback(v8::Handle<v8::Function>, ScriptExecutionContext*, v8::Handle<v8::Object>, v8::Isolate*); 54 55 static void makeWeakCallback(v8::Isolate*, v8::Persistent<v8::Function>*, V8MutationCallback*); 56 57 ScopedPersistent<v8::Function> m_callback; 58 RefPtr<DOMWrapperWorld> m_world; 59 v8::Isolate* m_isolate; 60 }; 61 62 } 63 64 #endif // V8MutationCallback_h 65
