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 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
