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 "bindings/v8/ScriptCallStackFactory.h"
36 #include "core/dom/Document.h"
37 #include "core/dom/ExecutionContext.h"
38 #include "core/inspector/ScriptCallStack.h"
39 #include "core/frame/Settings.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/ThreadableWebSocketChannelClientWrapper.h"
45 #include "modules/websockets/WebSocketChannelClient.h"
46 #include "modules/websockets/WorkerThreadableWebSocketChannel.h"
47
48 namespace WebCore {
49
50 static const char webSocketChannelMode[] = "webSocketChannelMode";
51
create(ExecutionContext * context,WebSocketChannelClient * client)52 PassRefPtr<WebSocketChannel> WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
53 {
54 ASSERT(context);
55 ASSERT(client);
56
57 String sourceURL;
58 unsigned lineNumber = 0;
59 RefPtr<ScriptCallStack> callStack = createScriptCallStack(1, true);
60 if (callStack && callStack->size()) {
61 sourceURL = callStack->at(0).sourceURL();
62 lineNumber = callStack->at(0).lineNumber();
63 }
64
65 if (context->isWorkerGlobalScope()) {
66 WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
67 WorkerRunLoop& runLoop = workerGlobalScope->thread()->runLoop();
68 String mode = webSocketChannelMode;
69 mode.append(String::number(runLoop.createUniqueId()));
70 return WorkerThreadableWebSocketChannel::create(workerGlobalScope, client, mode, sourceURL, lineNumber);
71 }
72
73 Document* document = toDocument(context);
74 Settings* settings = document->settings();
75 if (settings && settings->experimentalWebSocketEnabled()) {
76 // FIXME: Create and return an "experimental" WebSocketChannel instead of a MainThreadWebSocketChannel.
77 return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
78 }
79 return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
80 }
81
82 } // namespace WebCore
83