Home | History | Annotate | Download | only in platform 
      1 /*
      2  * Copyright (C) 2011 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef WebWorkerRunLoop_h
     26 #define WebWorkerRunLoop_h
     27 
     28 #include "WebCommon.h"
     29 
     30 namespace WebCore {
     31 class WorkerRunLoop;
     32 }
     33 
     34 namespace WebKit {
     35 
     36 class WebWorkerRunLoop {
     37 public:
     38     class Task {
     39     public:
     40         virtual ~Task() { }
     41         virtual void Run() = 0;
     42     };
     43 
     44     // Returns true if the task was posted to a non-terminated loop.
     45     WEBKIT_EXPORT bool postTask(Task*);
     46     WEBKIT_EXPORT bool equals(const WebWorkerRunLoop&) const;
     47     WEBKIT_EXPORT bool lessThan(const WebWorkerRunLoop&) const;
     48 
     49 #if WEBKIT_IMPLEMENTATION
     50     WebWorkerRunLoop(WebCore::WorkerRunLoop*);
     51 #endif
     52 
     53 private:
     54     WebCore::WorkerRunLoop* m_workerRunLoop;
     55 };
     56 
     57 inline bool operator==(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b)
     58 {
     59     return a.equals(b);
     60 }
     61 
     62 inline bool operator<(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b)
     63 {
     64     return a.lessThan(b);
     65 }
     66 
     67 }
     68 
     69 #endif
     70