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 #elif PLATFORM(BLACKBERRY)
  35 #include <BlackBerryPlatformTimer.h>
  36 #elif PLATFORM(QT)
  37 #include <QBasicTimer>
  38 #include <QMutex>
  39 #include <QObject>
  40 #include <QThread>
  41 #elif PLATFORM(EFL)
  42 typedef struct _Ecore_Timer Ecore_Timer;
  43 #endif
  44
  45 namespace JSC {
  46
  47 class VM;
  48
  49 #if PLATFORM(QT) && !USE(CF)
  50 class HeapTimer : public QObject {
  51 #else
  52 class HeapTimer {
  53 #endif
  54 public:
  55 #if USE(CF)
  56     HeapTimer(VM*, CFRunLoopRef);
  57     static void timerDidFire(CFRunLoopTimerRef, void*);
  58 #else
  59     HeapTimer(VM*);
  60 #endif
  61
  62 #if PLATFORM(IOS)
  63     JS_EXPORT_PRIVATE virtual ~HeapTimer();
  64 #else
  65     virtual ~HeapTimer();
  66 #endif
  67     virtual void doWork() = 0;
  68
  69 protected:
  70     VM* m_vm;
  71
  72 #if USE(CF)
  73     static const CFTimeInterval s_decade;
  74
  75     RetainPtr<CFRunLoopTimerRef> m_timer;
  76     RetainPtr<CFRunLoopRef> m_runLoop;
  77     CFRunLoopTimerContext m_context;
  78
  79     Mutex m_shutdownMutex;
  80 #elif PLATFORM(BLACKBERRY)
  81     void timerDidFire();
  82
  83     BlackBerry::Platform::Timer<HeapTimer> m_timer;
  84 #elif PLATFORM(QT)
  85     void timerEvent(QTimerEvent*);
  86     void customEvent(QEvent*);
  87     QBasicTimer m_timer;
  88     QThread* m_newThread;
  89     QMutex m_mutex;
  90 #elif PLATFORM(EFL)
  91     static bool timerEvent(void*);
  92     Ecore_Timer* add(double delay, void* agent);
  93     void stop();
  94     Ecore_Timer* m_timer;
  95 #endif
  96
  97 private:
  98     void invalidate();
  99 };
 100
 101 } // namespace JSC
 102
 103 #endif