IriSP.SegmentsWidget = function(Popcorn, config, Serializer) {

  var self = this;

  IriSP.Widget.call(this, Popcorn, config, Serializer);

  this.oldSearchMatches = [];

  // event handlers

  this._Popcorn.listen("IriSP.search", function(searchString) { self.searchHandler.call(self, searchString); });

  this._Popcorn.listen("IriSP.search.closed", function() { self.searchFieldClosedHandler.call(self); });

  this._Popcorn.listen("IriSP.search.cleared", function() { self.searchFieldClearedHandler.call(self); });

  this.defaultColors = ["#1f77b4","#aec7e8","#ff7f0e","#ffbb78","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5","#8c564b","#c49c94","#e377c2","#f7b6d2","#7f7f7f","#c7c7c7","#bcbd22","#dbdb8d","#17becf","#9edae5"]

};

IriSP.SegmentsWidget.prototype = new IriSP.Widget();

IriSP.SegmentsWidget.prototype.draw = function() {

  var self = this;

  var annotations = this._serializer._data.annotations;

  this.selector.addClass("Ldt-SegmentsWidget");

  this.selector.append(Mustache.to_html(IriSP.overlay_marker_template));

  this.positionMarker = this.selector.find(".Ldt-SegmentPositionMarker");

  this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.positionUpdater));

  if (this.cinecast_version) {

      var segments_annotations = IriSP.underscore.filter(

          this._serializer._data.annotations,

          function(_a) {

              return _a.type == "cinecast:MovieExtract";

          }

      );

  }

  else {

      var view_type = this._serializer.getChapitrage();

      if (typeof(view_type) === "undefined") {

        view_type = this._serializer.getNonTweetIds()[0];  

      }

      var i = 0;

      var segments_annotations = [];

      for (i = 0; i < annotations.length; i++) {

        var annotation = annotations[i];

        /* filter the annotations whose type is not the one we want */

        if (view_type != "" && typeof(annotation.meta) !== "undefined" && typeof(annotation.meta["id-ref"]) !== "undefined"

              && annotation.meta["id-ref"] != view_type) {

            continue;

        }

        segments_annotations.push(annotation);

      }

}    

    var _w = this.selector.width();

  var lastSegment = IriSP.underscore.max(segments_annotations, function(annotation) { return annotation.end; });

  for (i = 0; i < segments_annotations.length; i++) {

    var annotation = segments_annotations[i];

    var begin = (+ annotation.begin);

    var end = (+ annotation.end);

    var id = annotation.id;

    var startPixel = Math.floor(_w * (begin / duration));

    var endPixel = Math.floor(_w * (end / duration));

    if (annotation.id !== lastSegment.id) 

      var pxWidth = endPixel - startPixel -1;

    else

      /* the last segment has no segment following it */

      var pxWidth = endPixel - startPixel;

    var divTitle = this.cinecast_version

        ? annotation.content.data

        : annotation.content.title + ( annotation.content.title ? "<br />" : "" ) + annotation.content.description.replace(/(^.{120,140})[\s].+$/,'$1&hellip;');

    var thumbUrl = annotation.meta.thumbnail || '';

    var hexa_color = typeof(annotation.content.color) !== "undefined"

        ? '#' + IriSP.DEC_HEXA_COLOR(annotation.content.color)

        : typeof(annotation.color) !== "undefined"

            ? '#' + IriSP.DEC_HEXA_COLOR(annotation.color)

            : this.defaultColors[i % this.defaultColors.length];

    /*

    if (hexa_color === "FFCC00")

      hexa_color = "333";

    */

    if (hexa_color.length == 5)

      hexa_color = hexa_color + '00';

    var annotationTemplate = Mustache.to_html(IriSP.annotation_template,

        {"divTitle" : divTitle, "id" : id, "startPixel" : startPixel,

        "pxWidth" : pxWidth, "hexa_color" : hexa_color,

        "seekPlace" : Math.round(begin/1000), "thumbnailUrl": thumbUrl});

    this.selector.append(annotationTemplate);

    /* add a special class to the last segment and change its border */

    if (annotation.id === lastSegment.id) {

        IriSP.jqId(id).addClass("Ldt-lastSegment").css("border-color", hexa_color);  

    }

   }

    // react to mediafragment messages.

    this._Popcorn.listen("IriSP.Mediafragment.showAnnotation", 

        function(id, divTitle) {

            var divObject = IriSP.jqId(id);

            if (divObject.length) {

            divObject.fadeTo(0,1);

            var offset_x = divObject.position().left + divObject.outerWidth() / 2;

            self.TooltipWidget.show(divObject.attr("title"), IriSP.jQuery(this).css("background-color"), offset_x, 0);

            IriSP.jQuery(document).one("mousemove", function() { divObject.fadeTo(0,.5);

                                                                self.TooltipWidget.hide(); });

        }

      });

    this.selector.find(".Ldt-iri-chapter")

        .fadeTo(0, .5)

        .click(function() {

            self._Popcorn.trigger("IriSP.SegmentsWidget.click", this.id);

            self._Popcorn.currentTime(IriSP.jQuery(this).attr("data-seek"));

        })

        .mouseover( function(event) {

            var divObject = IriSP.jQuery(this);

            divObject.fadeTo(0,1);

            var offset_x = divObject.position().left + divObject.outerWidth() / 2;

            var thumb = divObject.attr("thumbnail-url");

            var txt = divObject.attr("title") + (thumb && thumb.length ? '<br /><img src="' + thumb + '" />' : '');

            self.TooltipWidget.show(txt, IriSP.jQuery(this).css("background-color"), offset_x, 0);

        })

        .mouseout(function(){

            IriSP.jQuery(this).fadeTo(0,.5);

            self.TooltipWidget.hide();

        });

};

/* restores the view after a search */

IriSP.SegmentsWidget.prototype.clear = function() {

  this.selector.children(".Ldt-iri-chapter").fadeTo(0,.5);

};

IriSP.SegmentsWidget.prototype.clickHandler = function(annotation) {

  this._Popcorn.trigger("IriSP.SegmentsWidget.click", annotation.id);

  var begin = (+ annotation.begin) / 1000;

  this._Popcorn.currentTime(Math.round(begin));

};

IriSP.SegmentsWidget.prototype.searchHandler = function(searchString) {

  if (searchString == "")

    return;

  var matches = this._serializer.searchOccurences(searchString);

  if (IriSP.countProperties(matches) > 0) {

    this._Popcorn.trigger("IriSP.search.matchFound");

  } else {

    this._Popcorn.trigger("IriSP.search.noMatchFound");

  }

  // un-highlight all the blocks

  this.selector.children(".Ldt-iri-chapter").css("opacity", 0.1);

  // then highlight the ones with matches.

  for (var id in matches) {

    var factor = 0.5 + matches[id] * 0.2;

    this.selector.find("#"+id).dequeue();

    this.selector.find("#"+id).animate({opacity:factor}, 200);

  }

  this.oldSearchMatches = matches;

};

IriSP.SegmentsWidget.prototype.searchFieldClearedHandler = function() {

  this.clear();

};

IriSP.SegmentsWidget.prototype.searchFieldClosedHandler = function() {

  this.clear();

};

IriSP.SegmentsWidget.prototype.positionUpdater = function() {  

  var time = this._Popcorn.currentTime();

  //var position 	= ((time / duration) * 100).toFixed(2);

  var position 	= ((time / duration) * 100).toFixed(2);

  this.positionMarker.css("left", position + "%");  

};

IriSP.SegmentsWidget.prototype.showAnnotation = function() {

};