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 "JSSharedWorkerConstructor.h" 36 37 #include "JSDOMWindowCustom.h" 38 #include "JSSharedWorker.h" 39 #include "SharedWorker.h" 40 #include <runtime/Error.h> 41 42 using namespace JSC; 43 44 namespace WebCore { 45 46 const ClassInfo JSSharedWorkerConstructor::s_info = { "SharedWorkerConstructor", 0, 0, 0 }; 47 48 JSSharedWorkerConstructor::JSSharedWorkerConstructor(ExecState* exec, JSDOMGlobalObject* globalObject) 49 : DOMConstructorObject(JSSharedWorkerConstructor::createStructure(globalObject->objectPrototype()), globalObject) 50 { 51 putDirect(exec->propertyNames().prototype, JSSharedWorkerPrototype::self(exec, globalObject), None); 52 // Host functions have a length property describing the number of expected arguments. 53 putDirect(exec->propertyNames().length, jsNumber(exec, 2), ReadOnly|DontDelete|DontEnum); 54 } 55 56 static JSObject* constructSharedWorker(ExecState* exec, JSObject* constructor, const ArgList& args) 57 { 58 JSSharedWorkerConstructor* jsConstructor = static_cast<JSSharedWorkerConstructor*>(constructor); 59 60 if (args.size() < 1) 61 return throwError(exec, SyntaxError, "Not enough arguments"); 62 63 UString scriptURL = args.at(0).toString(exec); 64 UString name; 65 if (args.size() > 1) 66 name = args.at(1).toString(exec); 67 68 if (exec->hadException()) 69 return 0; 70 71 // FIXME: We need to use both the dynamic scope and the lexical scope (dynamic scope for resolving the worker URL) 72 DOMWindow* window = asJSDOMWindow(exec->lexicalGlobalObject())->impl(); 73 ExceptionCode ec = 0; 74 RefPtr<SharedWorker> worker = SharedWorker::create(scriptURL, name, window->document(), ec); 75 setDOMException(exec, ec); 76 77 return asObject(toJS(exec, jsConstructor->globalObject(), worker.release())); 78 } 79 80 ConstructType JSSharedWorkerConstructor::getConstructData(ConstructData& constructData) 81 { 82 constructData.native.function = constructSharedWorker; 83 return ConstructTypeHost; 84 } 85 86 87 } // namespace WebCore 88 89 #endif // ENABLE(SHARED_WORKERS) 90
