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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 #ifndef DedicatedWorkerContext_h
     32 #define DedicatedWorkerContext_h
     33 
     34 #if ENABLE(WORKERS)
     35 
     36 #include "MessagePort.h"
     37 #include "WorkerContext.h"
     38 
     39 namespace WebCore {
     40 
     41     class DedicatedWorkerThread;
     42 
     43     class DedicatedWorkerContext : public WorkerContext {
     44     public:
     45         typedef WorkerContext Base;
     46         static PassRefPtr<DedicatedWorkerContext> create(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread)
     47         {
     48             return adoptRef(new DedicatedWorkerContext(url, userAgent, thread));
     49         }
     50 
     51         virtual bool isDedicatedWorkerContext() const { return true; }
     52 
     53         // Overridden to allow us to check our pending activity after executing imported script.
     54         virtual void importScripts(const Vector<String>& urls, ExceptionCode&);
     55 
     56         // EventTarget
     57         virtual DedicatedWorkerContext* toDedicatedWorkerContext() { return this; }
     58         void postMessage(PassRefPtr<SerializedScriptValue>, ExceptionCode&);
     59         void postMessage(PassRefPtr<SerializedScriptValue>, const MessagePortArray*, ExceptionCode&);
     60         // FIXME: remove this when we update the ObjC bindings (bug #28774).
     61         void postMessage(PassRefPtr<SerializedScriptValue>, MessagePort*, ExceptionCode&);
     62 
     63         DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
     64 
     65         DedicatedWorkerThread* thread();
     66     private:
     67         DedicatedWorkerContext(const KURL&, const String&, DedicatedWorkerThread*);
     68     };
     69 
     70 } // namespace WebCore
     71 
     72 #endif // ENABLE(WORKERS)
     73 
     74 #endif // DedicatedWorkerContext_h
     75