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#include <node.h>
#include <node_timer.h>
#include <assert.h>
using namespace v8;
using namespace node;
Persistent<FunctionTemplate> Timer::constructor_template;
static Persistent<String> timeout_symbol;
static Persistent<String> repeat_symbol;
void
Timer::Initialize (Handle<Object> target)
{
HandleScope scope;
Local<FunctionTemplate> t = FunctionTemplate::New(Timer::New);
constructor_template = Persistent<FunctionTemplate>::New(t);
constructor_template->Inherit(EventEmitter::constructor_template);
constructor_template->InstanceTemplate()->SetInternalFieldCount(1);
constructor_template->SetClassName(String::NewSymbol("Timer"));
timeout_symbol = NODE_PSYMBOL("timeout");
repeat_symbol = NODE_PSYMBOL("repeat");
NODE_SET_PROTOTYPE_METHOD(constructor_template, "start", Timer::Start);
NODE_SET_PROTOTYPE_METHOD(constructor_template, "stop", Timer::Stop);
constructor_template->PrototypeTemplate()->SetAccessor(repeat_symbol,
RepeatGetter, RepeatSetter);
target->Set(String::NewSymbol("Timer"), constructor_template->GetFunction());
}
Handle<Value>
Timer::RepeatGetter (Local<String> property, const AccessorInfo& info)
{
HandleScope scope;
Timer *timer = ObjectWrap::Unwrap<Timer>(info.This());
assert(timer);
assert (property == repeat_symbol);
Local<Integer> v = Integer::New(timer->watcher_.repeat);
return scope.Close(v);
}
void
Timer::RepeatSetter (Local<String> property, Local<Value> value, const AccessorInfo& info)
{
HandleScope scope;
Timer *timer = ObjectWrap::Unwrap<Timer>(info.This());
assert(timer);
assert(property == repeat_symbol);
timer->watcher_.repeat = NODE_V8_UNIXTIME(value);
}
void
Timer::OnTimeout (EV_P_ ev_timer *watcher, int revents)
{
Timer *timer = static_cast<Timer*>(watcher->data);
assert(revents == EV_TIMEOUT);
timer->Emit(timeout_symbol, 0, NULL);
if (timer->watcher_.repeat == 0) timer->Unref();
}
Timer::~Timer ()
{
ev_timer_stop (EV_DEFAULT_UC_ &watcher_);
}
Handle<Value>
Timer::New (const Arguments& args)
{
HandleScope scope;
Timer *t = new Timer();
t->Wrap(args.Holder());
return args.This();
}
Handle<Value>
Timer::Start (const Arguments& args)
{
Timer *timer = ObjectWrap::Unwrap<Timer>(args.Holder());
HandleScope scope;
if (args.Length() != 2)
return ThrowException(String::New("Bad arguments"));
ev_tstamp after = NODE_V8_UNIXTIME(args[0]);
ev_tstamp repeat = NODE_V8_UNIXTIME(args[1]);
ev_timer_init(&timer->watcher_, Timer::OnTimeout, after, repeat);
timer->watcher_.data = timer;
ev_timer_start(EV_DEFAULT_UC_ &timer->watcher_);
timer->Ref();
return Undefined();
}
Handle<Value>
Timer::Stop (const Arguments& args)
{
Timer *timer = ObjectWrap::Unwrap<Timer>(args.Holder());
if (ev_is_active(&timer->watcher_)) {
ev_timer_stop(EV_DEFAULT_UC_ &timer->watcher_);
timer->Unref();
}
return Undefined();
}
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