1 /* 2 * Copyright (C) 2008, 2009 Apple 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #if ENABLE(WORKERS) 29 30 #include "JSWorker.h" 31 32 #include "JSDOMGlobalObject.h" 33 #include "JSMessagePortCustom.h" 34 #include "Worker.h" 35 #include "JSDOMWindowCustom.h" 36 #include <runtime/Error.h> 37 38 using namespace JSC; 39 40 namespace WebCore { 41 42 JSC::JSValue JSWorker::postMessage(JSC::ExecState* exec) 43 { 44 return handlePostMessage(exec, impl()); 45 } 46 47 EncodedJSValue JSC_HOST_CALL JSWorkerConstructor::constructJSWorker(ExecState* exec) 48 { 49 JSWorkerConstructor* jsConstructor = static_cast<JSWorkerConstructor*>(exec->callee()); 50 51 if (!exec->argumentCount()) 52 return throwVMError(exec, createSyntaxError(exec, "Not enough arguments")); 53 54 UString scriptURL = exec->argument(0).toString(exec); 55 if (exec->hadException()) 56 return JSValue::encode(JSValue()); 57 58 // See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject. 59 DOMWindow* window = asJSDOMWindow(exec->lexicalGlobalObject())->impl(); 60 61 ExceptionCode ec = 0; 62 RefPtr<Worker> worker = Worker::create(ustringToString(scriptURL), window->document(), ec); 63 if (ec) { 64 setDOMException(exec, ec); 65 return JSValue::encode(JSValue()); 66 } 67 68 return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), worker.release()))); 69 } 70 71 } // namespace WebCore 72 73 #endif // ENABLE(WORKERS) 74