JavaScript Documentation

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/**
 * A 1/2 second fade-in animation.
 *
 * @constructor
 * @param el {HTMLElement} the element to animate
 * @param callback {function} function to invoke when the animation is finished
 */
YAHOO.widget.TVFadeIn = function(el, callback) {
    /**
     * The element to animate
     * @type HTMLElement
     */
    this.el = el;

    /**
     * the callback to invoke when the animation is complete
     *
     * @type function
     */
    this.callback = callback;

    /**
     * @private
     */
    this.logger = new YAHOO.widget.LogWriter(this.toString());
};

/**
 * Performs the animation
 */
YAHOO.widget.TVFadeIn.prototype = {
    animate: function() {
        var tvanim = this;

        var s = this.el.style;
        s.opacity = 0.1;
        s.filter = "alpha(opacity=10)";
        s.display = "";

        // var dur = ( navigator.userAgent.match(/msie/gi) ) ? 0.05 : 0.4;
        var dur = 0.4; 
        // this.logger.log("duration: " + dur);
        // var a = new ygAnim_Fade(this.el, dur, 1);
        // a.setStart(0.1);
        // a.onComplete = function() { tvanim.onComplete(); };

        // var a = new YAHOO.util.Anim(this.el, 'opacity', 0.1, 1);
        var a = new YAHOO.util.Anim(this.el, {opacity: {from: 0.1, to: 1, unit:""}}, dur);
        a.onComplete.subscribe( function() { tvanim.onComplete(); } );
        a.animate();
    },

    /**
     * Clean up and invoke callback
     */
    onComplete: function() {
        this.callback();
    },

    toString: function() {
        return "TVFadeIn";
    }
};