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/core/v8/ScriptCallStackFactory.h"
36#include "core/dom/Document.h"
37#include "core/dom/ExecutionContext.h"
38#include "core/inspector/ScriptCallStack.h"
39#include "core/workers/WorkerGlobalScope.h"
40#include "core/workers/WorkerThread.h"
41#include "modules/websockets/MainThreadWebSocketChannel.h"
42#include "modules/websockets/NewWebSocketChannelImpl.h"
43#include "modules/websockets/WebSocketChannelClient.h"
44#include "modules/websockets/WorkerThreadableWebSocketChannel.h"
45#include "platform/RuntimeEnabledFeatures.h"
46
47namespace blink {
48
49WebSocketChannel* WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
50{
51    ASSERT(context);
52    ASSERT(client);
53
54    String sourceURL;
55    unsigned lineNumber = 0;
56    RefPtrWillBeRawPtr<ScriptCallStack> callStack = createScriptCallStack(1, true);
57    if (callStack && callStack->size()) {
58        sourceURL = callStack->at(0).sourceURL();
59        lineNumber = callStack->at(0).lineNumber();
60    }
61
62    if (context->isWorkerGlobalScope()) {
63        WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
64        return WorkerThreadableWebSocketChannel::create(*workerGlobalScope, client, sourceURL, lineNumber);
65    }
66
67    Document* document = toDocument(context);
68    if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
69        return NewWebSocketChannelImpl::create(document, client, sourceURL, lineNumber);
70    }
71    return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
72}
73
74} // namespace blink
75