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