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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  * Copyright (C) 2010 Apple Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "config.h"
     33 
     34 #if ENABLE(SHARED_WORKERS)
     35 
     36 #include "SharedWorker.h"
     37 
     38 #include "InspectorInstrumentation.h"
     39 #include "KURL.h"
     40 #include "MessageChannel.h"
     41 #include "MessagePort.h"
     42 #include "ScriptExecutionContext.h"
     43 #include "SharedWorkerRepository.h"
     44 
     45 namespace WebCore {
     46 
     47 inline SharedWorker::SharedWorker(ScriptExecutionContext* context)
     48     : AbstractWorker(context)
     49 {
     50 }
     51 
     52 PassRefPtr<SharedWorker> SharedWorker::create(const String& url, const String& name, ScriptExecutionContext* context, ExceptionCode& ec)
     53 {
     54     RefPtr<SharedWorker> worker = adoptRef(new SharedWorker(context));
     55 
     56     RefPtr<MessageChannel> channel = MessageChannel::create(context);
     57     worker->m_port = channel->port1();
     58     OwnPtr<MessagePortChannel> remotePort = channel->port2()->disentangle(ec);
     59     ASSERT(remotePort);
     60 
     61     KURL scriptURL = worker->resolveURL(url, ec);
     62     if (scriptURL.isEmpty())
     63         return 0;
     64 
     65     SharedWorkerRepository::connect(worker.get(), remotePort.release(), scriptURL, name, ec);
     66 
     67     InspectorInstrumentation::didCreateWorker(context, worker->asID(), scriptURL.string(), true);
     68 
     69     return worker.release();
     70 }
     71 
     72 SharedWorker::~SharedWorker()
     73 {
     74 }
     75 
     76 } // namespace WebCore
     77 
     78 #endif  // ENABLE(SHARED_WORKERS)
     79