dom/plugins/ipc/ChildTimer.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=8 et :
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef mozilla_plugins_ChildTimer_h
   9 #define mozilla_plugins_ChildTimer_h
  10
  11 #include "PluginMessageUtils.h"
  12 #include "npapi.h"
  13 #include "base/timer.h"
  14
  15 namespace mozilla {
  16 namespace plugins {
  17
  18 class PluginInstanceChild;
  19 typedef void (*TimerFunc)(NPP npp, uint32_t timerID);
  20
  21 class ChildTimer
  22 {
  23 public:
  24   /**
  25    * If initialization failed, ID() will return 0.
  26    */
  27   ChildTimer(PluginInstanceChild* instance,
  28              uint32_t interval,
  29              bool repeat,
  30              TimerFunc func);
  31   ~ChildTimer() { }
  32
  33   uint32_t ID() const { return mID; }
  34
  35   class IDComparator
  36   {
  37   public:
  38     bool Equals(ChildTimer* t, uint32_t id) const {
  39       return t->ID() == id;
  40     }
  41   };
  42
  43 private:
  44   PluginInstanceChild* mInstance;
  45   TimerFunc mFunc;
  46   bool mRepeating;
  47   uint32_t mID;
  48   base::RepeatingTimer<ChildTimer> mTimer;
  49
  50   void Run();
  51
  52   static uint32_t gNextTimerID;
  53 };
  54
  55 } // namespace plugins
  56 } // namespace mozilla
  57
  58 #endif // mozilla_plugins_ChildTimer_h