1 /* 2 * Copyright (C) 2012 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 #ifndef V8ObjectConstructor_h 32 #define V8ObjectConstructor_h 33 34 #include "bindings/v8/V8PerIsolateData.h" 35 #include "bindings/v8/V8RecursionScope.h" 36 37 #include <v8.h> 38 39 namespace WebCore { 40 41 class Document; 42 43 class ConstructorMode { 44 public: 45 enum Mode { 46 WrapExistingObject, 47 CreateNewObject 48 }; 49 50 ConstructorMode(v8::Isolate* isolate) 51 : m_isolate(isolate) 52 , m_microtaskSuppression(isolate) 53 { 54 V8PerIsolateData* data = V8PerIsolateData::from(m_isolate); 55 m_previous = data->m_constructorMode; 56 data->m_constructorMode = WrapExistingObject; 57 } 58 59 ~ConstructorMode() 60 { 61 V8PerIsolateData* data = V8PerIsolateData::from(m_isolate); 62 data->m_constructorMode = m_previous; 63 } 64 65 static bool current(v8::Isolate* isolate) 66 { 67 return V8PerIsolateData::from(isolate)->m_constructorMode; 68 } 69 70 private: 71 v8::Isolate* m_isolate; 72 bool m_previous; 73 V8RecursionScope::MicrotaskSuppression m_microtaskSuppression; 74 }; 75 76 class V8ObjectConstructor { 77 public: 78 static v8::Local<v8::Object> newInstance(v8::Isolate*, v8::Handle<v8::Function>); 79 static v8::Local<v8::Object> newInstance(v8::Isolate*, v8::Handle<v8::Function>, int, v8::Handle<v8::Value> argv[]); 80 static v8::Local<v8::Object> newInstanceInDocument(v8::Isolate*, v8::Handle<v8::Function>, int, v8::Handle<v8::Value> argv[], Document*); 81 82 static void isValidConstructorMode(const v8::FunctionCallbackInfo<v8::Value>&); 83 }; 84 85 } // namespace WebCore 86 87 #endif // V8ObjectConstructor_h 88