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(WORKERS)
34
35 #include "WorkerContextExecutionProxy.h"
36
37 #include "DedicatedWorkerContext.h"
38 #include "V8Proxy.h"
39 #include "V8WorkerContextEventListener.h"
40
41 namespace WebCore {
42
ACCESSOR_GETTER(DedicatedWorkerContextOnmessage)43 ACCESSOR_GETTER(DedicatedWorkerContextOnmessage)
44 {
45 INC_STATS(L"DOM.DedicatedWorkerContext.onmessage._get");
46 DedicatedWorkerContext* workerContext = V8DOMWrapper::convertToNativeObject<DedicatedWorkerContext>(V8ClassIndex::DEDICATEDWORKERCONTEXT, info.Holder());
47 if (workerContext->onmessage()) {
48 V8WorkerContextEventListener* listener = static_cast<V8WorkerContextEventListener*>(workerContext->onmessage());
49 v8::Local<v8::Object> v8Listener = listener->getListenerObject();
50 return v8Listener;
51 }
52 return v8::Undefined();
53 }
54
ACCESSOR_SETTER(DedicatedWorkerContextOnmessage)55 ACCESSOR_SETTER(DedicatedWorkerContextOnmessage)
56 {
57 INC_STATS(L"DOM.DedicatedWorkerContext.onmessage._set");
58 DedicatedWorkerContext* workerContext = V8DOMWrapper::convertToNativeObject<DedicatedWorkerContext>(V8ClassIndex::DEDICATEDWORKERCONTEXT, info.Holder());
59 V8WorkerContextEventListener* oldListener = static_cast<V8WorkerContextEventListener*>(workerContext->onmessage());
60 if (value->IsNull()) {
61 if (workerContext->onmessage()) {
62 v8::Local<v8::Object> oldV8Listener = oldListener->getListenerObject();
63 removeHiddenDependency(info.Holder(), oldV8Listener, V8Custom::kDedicatedWorkerContextRequestCacheIndex);
64 }
65
66 // Clear the listener.
67 workerContext->setOnmessage(0);
68 } else {
69 RefPtr<V8EventListener> listener = workerContext->script()->proxy()->findOrCreateEventListener(v8::Local<v8::Object>::Cast(value), false, false);
70 if (listener) {
71 if (oldListener) {
72 v8::Local<v8::Object> oldV8Listener = oldListener->getListenerObject();
73 removeHiddenDependency(info.Holder(), oldV8Listener, V8Custom::kDedicatedWorkerContextRequestCacheIndex);
74 }
75
76 workerContext->setOnmessage(listener);
77 createHiddenDependency(info.Holder(), value, V8Custom::kDedicatedWorkerContextRequestCacheIndex);
78 }
79 }
80 }
81
82 } // namespace WebCore
83
84 #endif // ENABLE(WORKERS)
85