text: /*
   * 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.
   */
  
  #ifndef V8MutationCallback_h
  #define V8MutationCallback_h
  
  #include "bindings/core/v8/ActiveDOMCallback.h"
  #include "bindings/core/v8/ScopedPersistent.h"
  #include "bindings/core/v8/ScriptState.h"
  #include "core/dom/MutationCallback.h"
  #include "wtf/OwnPtr.h"
  #include "wtf/RefPtr.h"
  #include <v8.h>
  
  namespace blink {
  
  class ExecutionContext;
  
  class V8MutationCallback FINAL : public MutationCallback, public ActiveDOMCallback {
  public:
      static PassOwnPtr<V8MutationCallback> create(v8::Handle<v8::Function> callback, v8::Handle<v8::Object> owner, ScriptState* scriptState)
      {
          return adoptPtr(new V8MutationCallback(callback, owner, scriptState));
      }
  
      virtual void call(const WillBeHeapVector<RefPtrWillBeMember<MutationRecord> >&, MutationObserver*) OVERRIDE;
      virtual ExecutionContext* executionContext() const OVERRIDE { return ContextLifecycleObserver::executionContext(); }
  
  private:
      V8MutationCallback(v8::Handle<v8::Function>, v8::Handle<v8::Object>, ScriptState*);
  
      static void setWeakCallback(const v8::WeakCallbackData<v8::Function, V8MutationCallback>&);
  
      ScopedPersistent<v8::Function> m_callback;
      RefPtr<ScriptState> m_scriptState;
  };
  
  }
  
  #endif // V8MutationCallback_h
  