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      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::Timer timer_;
     42   base::WeakPtr<gin::Runner> runner_;
     43   base::WeakPtrFactory<Timer> weak_factory_;
     44 
     45   DISALLOW_COPY_AND_ASSIGN(Timer);
     46 };
     47 
     48 
     49 class GIN_EXPORT TimerModule : public Wrappable<TimerModule> {
     50  public:
     51   static const char kName[];
     52   static WrapperInfo kWrapperInfo;
     53   static Handle<TimerModule> Create(v8::Isolate* isolate);
     54   static v8::Local<v8::Value> GetModule(v8::Isolate* isolate);
     55 
     56  private:
     57   TimerModule();
     58   virtual ~TimerModule();
     59 
     60   virtual ObjectTemplateBuilder GetObjectTemplateBuilder(
     61       v8::Isolate* isolate) OVERRIDE;
     62 };
     63 
     64 }  // namespace gin
     65 
     66 #endif  // GIN_MODULES_TIMER_H_
     67