gin/modules/timer.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GIN_MODULES_TIMER_H_
   6 #define GIN_MODULES_TIMER_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "base/timer/timer.h"
  10 #include "gin/gin_export.h"
  11 #include "gin/handle.h"
  12 #include "gin/runner.h"
  13 #include "gin/wrappable.h"
  14 #include "v8/include/v8.h"
  15
  16 namespace gin {
  17
  18 class ObjectTemplateBuilder;
  19
  20 // A simple scriptable timer that can work in one-shot or repeating mode.
  21 class GIN_EXPORT Timer : public Wrappable<Timer> {
  22  public:
  23   enum TimerType {
  24     TYPE_ONE_SHOT,
  25     TYPE_REPEATING
  26   };
  27
  28   static WrapperInfo kWrapperInfo;
  29   static Handle<Timer> Create(TimerType type, v8::Isolate* isolate,
  30                               int delay_ms, v8::Handle<v8::Function> function);
  31
  32   virtual ObjectTemplateBuilder GetObjectTemplateBuilder(
  33       v8::Isolate* isolate) OVERRIDE;
  34
  35  private:
  36   Timer(v8::Isolate* isolate, bool repeating, int delay_ms,
  37         v8::Handle<v8::Function> function);
  38   virtual ~Timer();
  39   void OnTimerFired();
  40
  41   base::WeakPtrFactory<Timer> weak_factory_;
  42   base::Timer timer_;
  43   base::WeakPtr<gin::Runner> runner_;
  44 };
  45
  46
  47 class GIN_EXPORT TimerModule : public Wrappable<TimerModule> {
  48  public:
  49   static const char kName[];
  50   static WrapperInfo kWrapperInfo;
  51   static Handle<TimerModule> Create(v8::Isolate* isolate);
  52   static v8::Local<v8::Value> GetModule(v8::Isolate* isolate);
  53
  54  private:
  55   TimerModule();
  56   virtual ~TimerModule();
  57
  58   virtual ObjectTemplateBuilder GetObjectTemplateBuilder(
  59       v8::Isolate* isolate) OVERRIDE;
  60 };
  61
  62 }  // namespace gin
  63
  64 #endif  // GIN_MODULES_TIMER_H_