1 /* 2 * Copyright (C) 2011 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 33 #include "V8MutationObserver.h" 34 35 #include "bindings/v8/V8Binding.h" 36 #include "bindings/v8/V8DOMWrapper.h" 37 #include "bindings/v8/V8MutationCallback.h" 38 #include "bindings/v8/V8Utilities.h" 39 #include "core/dom/MutationObserver.h" 40 41 namespace WebCore { 42 43 void V8MutationObserver::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& args) 44 { 45 if (args.Length() < 1) { 46 throwNotEnoughArgumentsError(args.GetIsolate()); 47 return; 48 } 49 50 v8::Local<v8::Value> arg = args[0]; 51 if (!arg->IsFunction()) { 52 throwTypeError("Callback argument must be a function", args.GetIsolate()); 53 return; 54 } 55 56 ScriptExecutionContext* context = getScriptExecutionContext(); 57 v8::Handle<v8::Object> wrapper = args.Holder(); 58 59 RefPtr<MutationCallback> callback = V8MutationCallback::create(v8::Handle<v8::Function>::Cast(arg), context, wrapper, args.GetIsolate()); 60 RefPtr<MutationObserver> observer = MutationObserver::create(callback.release()); 61 62 V8DOMWrapper::associateObjectWithWrapper<V8MutationObserver>(observer.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent); 63 args.GetReturnValue().Set(wrapper); 64 } 65 66 } // namespace WebCore 67
