WebCore/WorkerRunLoop.h

   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 WorkerRunLoop_h
  32 #define WorkerRunLoop_h
  33
  34 #if ENABLE(WORKERS)
  35
  36 #include "WorkerTask.h"
  37 #include <wtf/MessageQueue.h>
  38 #include <wtf/PassRefPtr.h>
  39
  40 namespace WebCore {
  41
  42     class WorkerContext;
  43
  44     class WorkerRunLoop {
  45     public:
  46         WorkerRunLoop() {}
  47
  48         // Blocking call. Waits for tasks and timers, invokes the callbacks.
  49         void run(WorkerContext*);
  50
  51         void terminate();
  52         bool terminated() { return m_messageQueue.killed(); }
  53
  54         void postTask(PassRefPtr<WorkerTask>);
  55
  56     private:
  57         MessageQueue<RefPtr<WorkerTask> > m_messageQueue;
  58     };
  59
  60 } // namespace WebCore
  61
  62 #endif // ENABLE(WORKERS)
  63
  64 #endif // WorkerRunLoop_h