Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / modules / websockets / WebSocketChannel.cpp
1 /*
2  * Copyright (C) 2009, 2012 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 #include "modules/websockets/WebSocketChannel.h"
34
35 #include "RuntimeEnabledFeatures.h"
36 #include "bindings/v8/ScriptCallStackFactory.h"
37 #include "core/dom/Document.h"
38 #include "core/dom/ExecutionContext.h"
39 #include "core/inspector/ScriptCallStack.h"
40 #include "core/workers/WorkerGlobalScope.h"
41 #include "core/workers/WorkerRunLoop.h"
42 #include "core/workers/WorkerThread.h"
43 #include "modules/websockets/MainThreadWebSocketChannel.h"
44 #include "modules/websockets/NewWebSocketChannelImpl.h"
45 #include "modules/websockets/ThreadableWebSocketChannelClientWrapper.h"
46 #include "modules/websockets/WebSocketChannelClient.h"
47 #include "modules/websockets/WorkerThreadableWebSocketChannel.h"
48
49 namespace WebCore {
50
51 PassRefPtr<WebSocketChannel> WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
52 {
53     ASSERT(context);
54     ASSERT(client);
55
56     String sourceURL;
57     unsigned lineNumber = 0;
58     RefPtr<ScriptCallStack> callStack = createScriptCallStack(1, true);
59     if (callStack && callStack->size()) {
60         sourceURL = callStack->at(0).sourceURL();
61         lineNumber = callStack->at(0).lineNumber();
62     }
63
64     if (context->isWorkerGlobalScope()) {
65         WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
66         return WorkerThreadableWebSocketChannel::create(workerGlobalScope, client, sourceURL, lineNumber);
67     }
68
69     Document* document = toDocument(context);
70     if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
71         return NewWebSocketChannelImpl::create(document, client, sourceURL, lineNumber);
72     }
73     return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
74 }
75
76 } // namespace WebCore