// A sample timer component by bleroy
/// <reference name="MicrosoftAjax.debug.js"/>

Type.registerNamespace("Bleroy.Samples");

Bleroy.Samples.Timer = function(interval) {
    /// <summary>A simple timer component.</summary>
    /// <param name="interval" type="Number" integer="true">
    ///   The time in milliseconds between ticks.
    /// </param>
    Bleroy.Samples.Timer.initializeBase(this);
    this._interval = interval;
}

Bleroy.Samples.Timer.prototype = {
    add_tick: function(handler) {
        /// <summary>
        ///   This event fires with a frequency determined by the interval.
        /// </summary>
        this.get_events().addHandler("tick", handler);
    },
    remove_tick: function(handler) {
        this.get_events().removeHandler("tick", handler);
    },
    dispose: function() {
        this.stop();
    },
    start: function() {
        /// <summary>Starts the timer.</summary>
        this._tickDelegate = Function.createDelegate(this, this._tick);
        this._timeoutCookie = window.setTimeout(this._tickDelegate, this._interval);
    },
    stop: function() {
        /// <summary>Stops the timer.</summary>
        window.clearTimeout(this._timeoutCookie);
        delete this._tickDelegate;
    },
    _tick: function() {
        var handler = this.get_events().getHandler("tick");
        if (handler) handler(this, Sys.EventArgs.Empty);
        this._timeoutCookie = window.setTimeout(this._tickDelegate, this._interval);
    }
}

Bleroy.Samples.Timer.registerClass("Bleroy.Samples.Timer", Sys.Component);