1 /* 2 * Copyright (C) 2009 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 #if ENABLE(SHARED_WORKERS) 34 35 #include "V8SharedWorker.h" 36 37 #include "ExceptionCode.h" 38 #include "Frame.h" 39 #include "V8Binding.h" 40 #include "V8Proxy.h" 41 #include "V8Utilities.h" 42 #include "WorkerContext.h" 43 #include "WorkerContextExecutionProxy.h" 44 45 namespace WebCore { 46 47 v8::Handle<v8::Value> V8SharedWorker::constructorCallback(const v8::Arguments& args) 48 { 49 INC_STATS(L"DOM.SharedWorker.Constructor"); 50 51 if (!args.IsConstructCall()) 52 return throwError("DOM object constructor cannot be called as a function."); 53 54 if (!args.Length()) 55 return throwError("Not enough arguments", V8Proxy::SyntaxError); 56 57 v8::TryCatch tryCatch; 58 v8::Handle<v8::String> scriptUrl = args[0]->ToString(); 59 String name; 60 if (args.Length() > 1) 61 name = toWebCoreString(args[1]->ToString()); 62 63 if (tryCatch.HasCaught()) 64 return throwError(tryCatch.Exception()); 65 66 if (scriptUrl.IsEmpty()) 67 return v8::Undefined(); 68 69 // Get the script execution context. 70 ScriptExecutionContext* context = getScriptExecutionContext(); 71 if (!context) 72 return v8::Undefined(); 73 74 // Create the SharedWorker object. 75 // Note: it's OK to let this RefPtr go out of scope because we also call SetDOMWrapper(), which effectively holds a reference to obj. 76 ExceptionCode ec = 0; 77 RefPtr<SharedWorker> obj = SharedWorker::create(toWebCoreString(scriptUrl), name, context, ec); 78 if (ec) 79 return throwError(ec); 80 81 // Setup the standard wrapper object internal fields. 82 v8::Handle<v8::Object> wrapperObject = args.Holder(); 83 V8DOMWrapper::setDOMWrapper(wrapperObject, &info, obj.get()); 84 85 obj->ref(); 86 V8DOMWrapper::setJSWrapperForActiveDOMObject(obj.get(), v8::Persistent<v8::Object>::New(wrapperObject)); 87 88 return wrapperObject; 89 } 90 91 } // namespace WebCore 92 93 #endif // ENABLE(SHARED_WORKERS) 94
