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      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
      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'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #include "config.h"
     26 #include "bindings/v8/V8ObjectConstructor.h"
     27 
     28 #include "bindings/v8/V8Binding.h"
     29 #include "bindings/v8/V8ScriptRunner.h"
     30 #include "core/dom/Document.h"
     31 #include "core/page/Frame.h"
     32 #include "core/platform/chromium/TraceEvent.h"
     33 
     34 
     35 namespace WebCore {
     36 
     37 v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::Function> function)
     38 {
     39     if (function.IsEmpty())
     40         return v8::Local<v8::Object>();
     41     ConstructorMode constructorMode;
     42     return V8ScriptRunner::instantiateObject(function);
     43 }
     44 
     45 v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::ObjectTemplate> objectTemplate)
     46 {
     47     if (objectTemplate.IsEmpty())
     48         return v8::Local<v8::Object>();
     49     ConstructorMode constructorMode;
     50     return V8ScriptRunner::instantiateObject(objectTemplate);
     51 }
     52 
     53 v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[])
     54 {
     55     if (function.IsEmpty())
     56         return v8::Local<v8::Object>();
     57     ConstructorMode constructorMode;
     58     return V8ScriptRunner::instantiateObject(function, argc, argv);
     59 }
     60 
     61 v8::Local<v8::Object> V8ObjectConstructor::newInstanceInDocument(v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[], Document* document)
     62 {
     63     if (function.IsEmpty())
     64         return v8::Local<v8::Object>();
     65     return V8ScriptRunner::instantiateObjectInDocument(function, document, argc, argv);
     66 }
     67 
     68 void V8ObjectConstructor::isValidConstructorMode(const v8::FunctionCallbackInfo<v8::Value>& args)
     69 {
     70     if (ConstructorMode::current() == ConstructorMode::CreateNewObject) {
     71         throwTypeError("Illegal constructor", args.GetIsolate());
     72         return;
     73     }
     74     v8SetReturnValue(args, args.This());
     75 }
     76 
     77 } // namespace WebCore
     78