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
postMessage(JSC::ExecState * exec)42 JSC::JSValue JSWorker::postMessage(JSC::ExecState* exec)
43 {
44 return handlePostMessage(exec, impl());
45 }
46
constructJSWorker(ExecState * exec)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