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      1 /*
      2  * Copyright (C) 2009 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 #if ENABLE(WORKERS)
     34 
     35 #include "DedicatedWorkerContext.h"
     36 
     37 #include "DedicatedWorkerThread.h"
     38 #include "DOMWindow.h"
     39 #include "MessageEvent.h"
     40 #include "WorkerObjectProxy.h"
     41 
     42 namespace WebCore {
     43 
     44 DedicatedWorkerContext::DedicatedWorkerContext(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread)
     45     : WorkerContext(url, userAgent, thread)
     46 {
     47 }
     48 
     49 // FIXME: remove this when we update the ObjC bindings (bug #28774).
     50 void DedicatedWorkerContext::postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort* port, ExceptionCode& ec)
     51 {
     52     MessagePortArray ports;
     53     if (port)
     54         ports.append(port);
     55     postMessage(message, &ports, ec);
     56 }
     57 
     58 void DedicatedWorkerContext::postMessage(PassRefPtr<SerializedScriptValue> message, ExceptionCode& ec)
     59 {
     60     postMessage(message, static_cast<MessagePortArray*>(0), ec);
     61 }
     62 
     63 void DedicatedWorkerContext::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionCode& ec)
     64 {
     65     if (isClosing())
     66         return;
     67     // Disentangle the port in preparation for sending it to the remote context.
     68     OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, ec);
     69     if (ec)
     70         return;
     71     thread()->workerObjectProxy().postMessageToWorkerObject(message, channels.release());
     72 }
     73 
     74 void DedicatedWorkerContext::importScripts(const Vector<String>& urls, const String& callerURL, int callerLine, ExceptionCode& ec)
     75 {
     76     Base::importScripts(urls, callerURL, callerLine, ec);
     77     thread()->workerObjectProxy().reportPendingActivity(hasPendingActivity());
     78 }
     79 
     80 DedicatedWorkerThread* DedicatedWorkerContext::thread()
     81 {
     82     return static_cast<DedicatedWorkerThread*>(Base::thread());
     83 }
     84 
     85 } // namespace WebCore
     86 
     87 #endif // ENABLE(WORKERS)
     88