heap/HeapTimer.h

   1 /*
   2  * Copyright (C) 2012 Apple 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. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef HeapTimer_h
  27 #define HeapTimer_h
  28
  29 #include <wtf/RetainPtr.h>
  30 #include <wtf/Threading.h>
  31
  32 #if USE(CF)
  33 #include <CoreFoundation/CoreFoundation.h>
  34 #endif
  35
  36 namespace JSC {
  37
  38 class VM;
  39
  40 class HeapTimer {
  41 public:
  42 #if USE(CF)
  43     HeapTimer(VM*, CFRunLoopRef);
  44     static void timerDidFire(CFRunLoopTimerRef, void*);
  45 #else
  46     HeapTimer(VM*);
  47 #endif
  48
  49     JS_EXPORT_PRIVATE virtual ~HeapTimer();
  50     virtual void doWork() = 0;
  51
  52 protected:
  53     VM* m_vm;
  54
  55 #if USE(CF)
  56     static const CFTimeInterval s_decade;
  57
  58     RetainPtr<CFRunLoopTimerRef> m_timer;
  59     RetainPtr<CFRunLoopRef> m_runLoop;
  60     CFRunLoopTimerContext m_context;
  61
  62     Mutex m_shutdownMutex;
  63 #elif PLATFORM(EFL)
  64     static bool timerEvent(void*);
  65     Ecore_Timer* add(double delay, void* agent);
  66     void stop();
  67     Ecore_Timer* m_timer;
  68 #endif
  69
  70 private:
  71     void invalidate();
  72 };
  73
  74 } // namespace JSC
  75
  76 #endif