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 "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/DocumentWebSocketChannel.h"
  42 #include "modules/websockets/WebSocketChannelClient.h"
  43 #include "modules/websockets/WorkerWebSocketChannel.h"
  44
  45 namespace blink {
  46
  47 WebSocketChannel* WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
  48 {
  49     ASSERT(context);
  50     ASSERT(client);
  51
  52     String sourceURL;
  53     unsigned lineNumber = 0;
  54     RefPtrWillBeRawPtr<ScriptCallStack> callStack = currentScriptCallStack(1);
  55     if (callStack && callStack->size()) {
  56         sourceURL = callStack->at(0).sourceURL();
  57         lineNumber = callStack->at(0).lineNumber();
  58     }
  59
  60     if (context->isWorkerGlobalScope()) {
  61         WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
  62         return WorkerWebSocketChannel::create(*workerGlobalScope, client, sourceURL, lineNumber);
  63     }
  64
  65     Document* document = toDocument(context);
  66     return DocumentWebSocketChannel::create(document, client, sourceURL, lineNumber);
  67 }
  68
  69 } // namespace blink