/****************************************************************************
* JW WMV Player version 1.1, created with M$ Silverlight 1.0
*
* This file contains all logic for the JW WMV Player. For a functional setup,
* the following two files are also needed:
* - silverlight.js (for instantiating the silverlight plugin)
* - wmvplayer.xaml (or another XAML skin describing the player graphics)
*
* More info: http://www.jeroenwijering.com/?item=JW_WMV_Player
****************************************************************************/
if(typeof jeroenwijering == "undefined") {
  var jeroenwijering = new Object();
  jeroenwijering.utils = new Object();
}










/****************************************************************************
* The player wrapper; loads config variables and starts MVC cycle.
****************************************************************************/
jeroenwijering.Player = function(cnt,src,cfg) {
  this.controller;
  this.model;
  this.view;
  this.configuration = {
    backgroundcolor:'FFFFFF',
    windowless:'false',
    file:'',
    height:'260',
    image:'',
    backcolor:'FFFFFF',
    frontcolor:'000000',
    lightcolor:'000000',
    screencolor:'000000',
    width:'320',
    logo:'',
    overstretch:'false',
    shownavigation:'true',
    showstop:'false',
    showdigits:'true',
    usefullscreen:'true',
    usemute:'false',
    autostart:'false',
    bufferlength:'3',
    duration:'0',
    repeat:'false',
    sender:'',
    start:'0',
    volume:'90',
    link:'',
    linkfromdisplay:'false',
    linktarget:'_self'
  };
  for(itm in this.configuration) {
    if(cfg[itm] != undefined) {
      if (itm.indexOf('color') > 0) { 
        this.configuration[itm] = cfg[itm].substr(cfg[itm].length-6);
      } else {
        this.configuration[itm] = cfg[itm];
      }
    }
  }
  Silverlight.createObjectEx({
    source:src,
    parentElement:cnt,
    properties:{
      width:this.configuration['width'],
      height:this.configuration['height'],
      version:'1.0',
      inplaceInstallPrompt:true,
      isWindowless:this.configuration['windowless'],
      background:'#'+this.configuration['backgroundcolor']
    },
    events:{
      onLoad:this.onLoadHandler,
      onError:null
    },
    context:this
  });
}

jeroenwijering.Player.prototype = {
  addListener: function(typ,fcn) {
    this.view.listeners.push({type:typ,func:fcn});
  },

  getConfig: function() { 
    return this.configuration;
  },

  onLoadHandler: function(pid,tgt,sdr) {
    tgt.configuration['sender'] = sdr;
    tgt.controller = new jeroenwijering.Controller(tgt.configuration);
    tgt.view = new jeroenwijering.View(tgt.configuration,tgt.controller);
    tgt.model = new jeroenwijering.Model(tgt.configuration,tgt.controller,tgt.view);
    tgt.controller.startMVC(tgt.view,tgt.model);
  },

  sendEvent: function(typ,prm) {
    switch(typ.toUpperCase()) {
      case 'LINK':
        this.controller.setLink();
        break;
      case 'LOAD':
        this.controller.setLoad(prm);
        break;
      case 'MUTE':
        this.controller.setMute();
        break;
      case 'PLAY':
        this.controller.setPlay();
        break;
      case 'SCRUB':
        this.controller.setScrub(prm);
        break;
      case 'STOP':
        this.controller.setStop();
        break;
      case 'VOLUME':
        this.controller.setVolume(prm);
        break;
    }
  }
}










/****************************************************************************
* The controller of the player MVC triad, which processes all user input.
****************************************************************************/
jeroenwijering.Controller = function(cfg) {
  this.configuration = cfg;
}

jeroenwijering.Controller.prototype = {
  startMVC: function(vie,mdl) {
    this.view = vie;
    this.model = mdl;
    if(this.configuration['usemute'] == 'true') {
      this.view.onVolume(0);
      this.view.onMute(true);
      this.model.goVolume(0);
    } else {
      this.view.onVolume(this.configuration['volume']);
      this.model.goVolume(this.configuration['volume']);
    }
    if(this.configuration['autostart'] == 'true') {
      this.model.goStart();
    } else { 
      this.model.goPause();
    }
  },

  setState: function(old,stt) {
    this.state = stt;
    var pos = this.configuration['start'];
    if(old == 'Closed' && pos > 0) {
      setTimeout(jeroenwijering.utils.delegate(this,this.setScrub),200,pos);
    } 
  },

  setLink: function() {
    if (this.configuration['linktarget'].indexOf('javascript:') == 0) {
      return Function(this.configuration['linktarget']).apply();
    } else if (this.configuration['linktarget'] == '_blank') {
      window.open(this.configuration['link']);
    } else if (this.configuration['linktarget'] != '') {
      window.location = this.configuration['link'];
    }
  },

  setLoad: function(fil) {
    if(this.model.state != "Closed") {
      this.model.goStop(); 
    }
    this.configuration['file'] = fil;
    if(this.configuration['autostart'] == 'true') {
      setTimeout(jeroenwijering.utils.delegate(this.model,this.model.goStart),100);
    }
  },

  setMute: function() {
    if(this.configuration['usemute'] == 'true') {
      this.configuration['usemute'] = 'false';
      this.model.goVolume(this.configuration['volume']);
      this.view.onMute(false);
    } else {
      this.configuration['usemute'] = 'true';
      this.model.goVolume(0);
      this.view.onMute(true);
    }
  },

  setPlay: function() {
    if(this.state == 'Buffering' || this.state == 'Playing') {
      if(this.configuration['duration'] == 0) { 
        this.model.goStop();
      } else { 
        this.model.goPause();
      }
    } else {
      this.model.goStart();
    }
  },

  setScrub: function(sec) {
    if(sec < 2) {
      sec = 0;
    } else if (sec > this.configuration['duration']-4) {
      sec = this.configuration['duration']-4;
    }
    if(this.state == 'Buffering' || this.state == 'Playing') {
      this.model.goStart(sec);
    } else {
      this.model.goPause(sec);
    }
  },

  setStop: function() {
    this.model.goStop();
  },

  setVolume: function(pct) {
    if(pct < 0) { pct = 0; } else if(pct > 100) { pct = 100; }
    this.configuration['volume'] = Math.round(pct);
    this.model.goVolume(pct);
    this.view.onVolume(pct);
    if(this.configuration['usemute'] == 'true') {
      this.configuration['usemute'] = 'false';
      this.view.onMute(false);
    } 
  },

  setFullscreen: function() {
    var fss = !this.configuration['sender'].getHost().content.FullScreen;
    this.configuration['sender'].getHost().content.FullScreen = fss;
    jeroenwijering.utils.delegate(this.view,this.view.onFullscreen);
  }
}










/****************************************************************************
* The view of the player MVC triad, which manages the graphics.
****************************************************************************/
jeroenwijering.View = function(cfg,ctr) {
  this.configuration = cfg;
  this.listeners = Array();
  this.controller = ctr;
  this.fstimeout;
  this.fslistener;
  this.display = this.configuration['sender'].findName("PlayerDisplay");
  this.controlbar = this.configuration['sender'].findName("PlayerControls");
  this.configuration['sender'].getHost().content.onResize = 
    jeroenwijering.utils.delegate(this,this.resizePlayer);
  this.configuration['sender'].getHost().content.onFullScreenChange = 
    jeroenwijering.utils.delegate(this,this.onFullscreen);
  this.assignColorsClicks();
  this.resizePlayer();
}

jeroenwijering.View.prototype = {
  onBuffer: function(pct) {
    var snd = this.configuration['sender'];
    if(pct == 0) { 
      snd.findName("BufferText").Text = null;
    } else { 
      pct < 10 ? pct = "0"+pct: pct = ""+pct;
      snd.findName("BufferText").Text = pct;
    }
    this.delegate('BUFFER',[pct]);
  },

  onFullscreen: function(fss) {
    var snd = this.configuration['sender'];
    var fst = snd.getHost().content.FullScreen;
    if(fst) { 
      this.fstimeout = setTimeout(jeroenwijering.utils.delegate(this,
        this.hideFSControls),2000);
      this.fslistener = this.display.addEventListener('MouseMove',
        jeroenwijering.utils.delegate(this,this.showFSControls));
      snd.findName("FullscreenSymbol").Visibility = "Collapsed";
      snd.findName("FullscreenOffSymbol").Visibility = "Visible";
    } else {
      clearTimeout(this.fstimeout);
      this.display.removeEventListener("MouseMove",this.fslistener);
      this.controlbar.Visibility = "Visible";
      this.display.Cursor = "Hand";
      snd.findName("FullscreenSymbol").Visibility = "Visible";
      snd.findName("FullscreenOffSymbol").Visibility = "Collapsed";
    }
    this.resizePlayer();
    this.delegate('FULLSCREEN');
  },

  showFSControls: function(sdr,arg) {
    var vbt = sdr.findName('PlayerControls');
    var yps = arg.GetPosition(vbt).Y;
    clearTimeout(this.fstimeout);
    this.controlbar.Visibility = "Visible";
    this.display.Cursor = "Hand";
    if(yps < 0) { 
      this.fstimeout = setTimeout(jeroenwijering.utils.delegate(this,
        this.hideFSControls),2000);
    }
  },

  hideFSControls: function() {
    this.controlbar.Visibility = "Collapsed";
    this.display.Cursor = "None";
  },

  onLoad: function(pct) {
    var snd = this.configuration['sender'];
    var max = snd.findName("TimeSlider").Width;
    snd.findName("DownloadProgress").Width = Math.round(max*pct/100);
    this.delegate('LOAD',[pct]);
  },

  onMute: function(mut) {
    var snd = this.configuration['sender'];
    this.configuration['usemute'] = ''+mut;
    if(mut) {
      snd.findName("VolumeHighlight").Visibility = "Collapsed";
      snd.findName("MuteSymbol").Visibility = "Visible";
      snd.findName("MuteOffSymbol").Visibility = "Collapsed";
      if(this.state == 'Playing') {
        snd.findName("MuteIcon").Visibility = "Visible";
      }
    } else {
      snd.findName("VolumeHighlight").Visibility = "Visible";
      snd.findName("MuteSymbol").Visibility = "Collapsed";
      snd.findName("MuteOffSymbol").Visibility = "Visible";
      snd.findName("MuteIcon").Visibility = "Collapsed";
    }
    this.delegate('MUTE');
  },

  onState: function(old,stt) {
    var snd = this.configuration['sender'];
    this.state = stt;
    if(stt == 'Buffering' || stt == 'Playing' || stt == 'Opening') {
      snd.findName("PlayIcon").Visibility = "Collapsed";
      snd.findName("PlaySymbol").Visibility = "Collapsed";
      snd.findName("PlayOffSymbol").Visibility = "Visible";
      if (stt=='Playing') {
        snd.findName("BufferIcon").Visibility = "Collapsed";
        snd.findName("BufferText").Visibility = "Collapsed";
        if(this.configuration['usemute'] == 'true') {
          snd.findName("MuteIcon").Visibility = "Visible";
        }
      } else{
        snd.findName("BufferIcon").Visibility = "Visible";
        snd.findName("BufferText").Visibility = "Visible";
      }
    } else { 
      snd.findName("MuteIcon").Visibility = "Collapsed";
      snd.findName("BufferIcon").Visibility = "Collapsed";
      snd.findName("BufferText").Visibility = "Collapsed";
      snd.findName("PlayOffSymbol").Visibility = "Collapsed";
      snd.findName("PlaySymbol").Visibility = "Visible";
      if(this.configuration['linkfromdisplay'] == 'true') {
        snd.findName("PlayIcon").Visibility = "Collapsed";
      } else { 
        snd.findName("PlayIcon").Visibility = "Visible";
      }
    }
    try {
      if(!(old == 'Completed' && stt == 'Buffering') &&
        !(old == 'Buffering' && stt == 'Paused')) {
        playerStatusChange(old.toUpperCase(),stt.toUpperCase());
      }
    } catch (err) {}
    this.delegate('STATE',[old,stt]);
  },

  onTime: function(elp,dur) {
    var snd = this.configuration['sender'];
    var snd = this.configuration['sender'];
    var max = snd.findName("TimeSlider").Width;
    if(dur > 0) {
      var pos = Math.round(max*elp/dur);
      this.configuration['duration'] = dur;
      snd.findName("ElapsedText").Text = jeroenwijering.utils.timestring(elp);
      snd.findName("RemainingText").Text = jeroenwijering.utils.timestring(dur-elp);
      snd.findName("TimeSymbol").Visibility = "Visible";
      snd.findName("TimeSymbol")['Canvas.Left'] = pos+4;
      snd.findName("TimeHighlight").Width = pos-2;
    } else  { 
      snd.findName("TimeSymbol").Visibility = "Collapsed";
    }
    this.delegate('TIME',[elp,dur]);
  },

  onVolume: function(pct) {
    var snd = this.configuration['sender'];
    snd.findName("VolumeHighlight").Width = Math.round(pct/5);
    this.delegate('VOLUME',[pct]);
  },

  assignColorsClicks: function() {
    this.display.Cursor = "Hand";
    this.display.Background = "#FF"+this.configuration['screencolor'];
    if(this.configuration['linkfromdisplay'] == 'false') { 
      this.display.addEventListener('MouseLeftButtonUp',
        jeroenwijering.utils.delegate(this.controller,
        this.controller.setPlay));
    } else { 
      this.display.addEventListener('MouseLeftButtonUp',
        jeroenwijering.utils.delegate(this.controller,
        this.controller.setLink));
      this.display.findName("PlayIcon").Visibility = "Collapsed";
    }
    if(this.configuration['logo'] != '') {
      this.display.findName('OverlayCanvas').Visibility = "Visible";
      this.display.findName('OverlayLogo').ImageSource = 
        this.configuration['logo'];
    }
    this.controlbar.findName("ControlbarBack").Fill = 
      "#FF"+this.configuration['backcolor'];
    this.assignButton('Play',this.controller.setPlay);
    this.assignButton('Stop',this.controller.setStop);
    this.configuration['sender'].findName('ElapsedText').Foreground = 
      "#FF"+this.configuration['frontcolor'];
    this.assignSlider('Time',this.changeTime);
    this.configuration['sender'].findName('DownloadProgress').Fill = 
      "#FF"+this.configuration['frontcolor'];
    this.configuration['sender'].findName('RemainingText').Foreground = 
      "#FF"+this.configuration['frontcolor'];
    this.assignButton('Link',this.controller.setLink);
    this.assignButton('Fullscreen',this.controller.setFullscreen);
    this.assignButton('Mute',this.controller.setMute);
    this.assignSlider('Volume',this.changeVolume);
  },

  assignButton: function(btn,act) {
    var el1 = this.configuration['sender'].findName(btn+'Button');
    el1.Cursor = "Hand";
    el1.addEventListener('MouseLeftButtonUp',
      jeroenwijering.utils.delegate(this.controller,act));
    el1.addEventListener('MouseEnter',
      jeroenwijering.utils.delegate(this,this.rollOver));
    el1.addEventListener('MouseLeave',
      jeroenwijering.utils.delegate(this,this.rollOut));
    this.configuration['sender'].findName(btn+'Symbol').Fill = 
      "#FF"+this.configuration['frontcolor'];
    try {
      this.configuration['sender'].findName(btn+'OffSymbol').Fill = 
        "#FF"+this.configuration['frontcolor'];
    } catch(e) {}
  },

  assignSlider: function(sld,act) {
    var el1 = this.configuration['sender'].findName(sld+'Button');
    el1.Cursor = "Hand";
    el1.addEventListener('MouseLeftButtonUp',
      jeroenwijering.utils.delegate(this,act));
    el1.addEventListener('MouseEnter',
      jeroenwijering.utils.delegate(this,this.rollOver));
    el1.addEventListener('MouseLeave',
      jeroenwijering.utils.delegate(this,this.rollOut));
    this.configuration['sender'].findName(sld+'Slider').Fill = 
      "#FF"+this.configuration['frontcolor'];
    this.configuration['sender'].findName(sld+'Highlight').Fill = 
      "#FF"+this.configuration['frontcolor'];
    this.configuration['sender'].findName(sld+'Symbol').Fill = 
      "#FF"+this.configuration['frontcolor'];
  },

  delegate: function(typ,arg) {
    for(var i=0; i<this.listeners.length; i++) {
      if(this.listeners[i]['type'].toUpperCase() == typ) {
        this.listeners[i]['func'].apply(null,arg);
      }
    }
  },

  rollOver: function(sdr) {
    var str = sdr.Name.substr(0,sdr.Name.length-6);
    this.configuration['sender'].findName(str+'Symbol').Fill = 
      "#FF"+this.configuration['lightcolor'];
    try {
      this.configuration['sender'].findName(str+'OffSymbol').Fill = 
        "#FF"+this.configuration['lightcolor'];
    } catch(e) {}
  },

  rollOut: function(sdr) {
    var str = sdr.Name.substr(0,sdr.Name.length-6);
    this.configuration['sender'].findName(str+'Symbol').Fill = 
      "#FF"+this.configuration['frontcolor'];
    try {
      this.configuration['sender'].findName(str+'OffSymbol').Fill = 
        "#FF"+this.configuration['frontcolor'];
    } catch(e) {}
  },

  changeTime: function(sdr,arg) {
    var tbt = sdr.findName('TimeSlider');
    var xps = arg.GetPosition(tbt).X;
    var sec = Math.floor(xps/tbt.Width*this.configuration['duration']);
    this.controller.setScrub(sec);
  },

  changeVolume: function(sdr,arg) {
    var vbt = sdr.findName('VolumeButton');
    var xps = arg.GetPosition(vbt).X;
    this.controller.setVolume(xps*5);
  },

  resizePlayer: function() {
    var wid = this.configuration['sender'].getHost().content.actualWidth;
    var hei = this.configuration['sender'].getHost().content.actualHeight;
    var fss = this.configuration['sender'].getHost().content.FullScreen;
    if(this.configuration['shownavigation'] == 'true') {
      if(fss == true) {
        this.resizeDisplay(wid,hei);
        this.controlbar['Canvas.Left'] = Math.round(wid/2-250);
        this.resizeControlbar(500,hei-this.controlbar.Height-16);
        this.controlbar.findName('ControlbarBack')['Opacity'] = 0.5;
      } else { 
        this.resizeDisplay(wid,hei-20);
        this.controlbar['Canvas.Left'] = 0;
        this.resizeControlbar(wid,hei-this.controlbar.Height);
        this.controlbar.findName('ControlbarBack')['Opacity'] = 1;
      }
    } else {
      this.resizeDisplay(wid,hei);
    }
  },

  resizeDisplay: function(wid,hei) {
    this.stretchElement('PlayerDisplay',wid,hei);
    this.stretchElement('VideoWindow',wid,hei);
    this.stretchElement('PlaceholderImage',wid,hei);
    this.centerElement('PlayIcon',wid,hei);
    this.centerElement('MuteIcon',wid,hei);
    this.centerElement('BufferIcon',wid,hei);
    this.centerElement('BufferText',wid,hei);
    this.display.findName('OverlayCanvas')['Canvas.Left'] = wid -
      this.display.findName('OverlayCanvas').Width - 10;
    this.display.Visibility = "Visible";
  },

  resizeControlbar: function(wid,yps,alp) {
    this.controlbar['Canvas.Top'] = yps;
    this.stretchElement('PlayerControls',wid);
    this.stretchElement('ControlbarBack',wid);
    this.placeElement('PlayButton',0);
    var lft = 17;
    this.placeElement('VolumeButton',wid-24);
    this.placeElement('MuteButton',wid-37);
    var rgt = 37;
    if(this.configuration['showstop'] == 'true') {
      this.placeElement('StopButton',lft);
      lft += 17;
    } else {
      this.controlbar.findName('StopButton').Visibility="Collapsed";
    }
    if(this.configuration['usefullscreen'] == 'true') {
      rgt += 18;
      this.placeElement('FullscreenButton',wid-rgt);
    } else {
      this.controlbar.findName('FullscreenButton').Visibility = 
        "Collapsed";
    }
    if(this.configuration['link'] != '') {
      rgt += 18;
      this.placeElement('LinkButton',wid-rgt);
    } else {
      this.controlbar.findName('LinkButton').Visibility="Collapsed";
    }
    if(this.configuration['showdigits'] == 'true' && wid-rgt-lft> 160) {
      rgt += 35;
      this.controlbar.findName('RemainingButton').Visibility="Visible";
      this.controlbar.findName('ElapsedButton').Visibility="Visible";
      this.placeElement('RemainingButton',wid-rgt);
      this.placeElement('ElapsedButton',lft);
      lft +=35;
    } else {
      this.controlbar.findName('RemainingButton').Visibility = 
        "Collapsed";
      this.controlbar.findName('ElapsedButton').Visibility="Collapsed";
    }
    this.placeElement('TimeButton',lft);
    this.stretchElement('TimeButton',wid-lft-rgt);
    this.stretchElement('TimeShadow',wid-lft-rgt);
    this.stretchElement('TimeStroke',wid-lft-rgt);
    this.stretchElement('TimeFill',wid-lft-rgt);
    this.stretchElement('TimeSlider',wid-lft-rgt-10);
    this.stretchElement('DownloadProgress',wid-lft-rgt-10);
    var tsb = this.configuration['sender'].findName('TimeSymbol');
    this.stretchElement('TimeHighlight',tsb['Canvas.Left']-5);
    this.controlbar.Visibility = "Visible";
  },

  centerElement: function(nam,wid,hei) {
    var elm = this.configuration['sender'].findName(nam);
    elm['Canvas.Left'] = Math.round(wid/2 - elm.Width/2);
    elm['Canvas.Top'] = Math.round(hei/2 - elm.Height/2);
  },

  stretchElement: function(nam,wid,hei) {
    var elm = this.configuration['sender'].findName(nam);
    elm.Width = wid;
    if (hei != undefined) { elm.Height = hei; }
  },

  placeElement: function(nam,xps,yps) {
    var elm = this.configuration['sender'].findName(nam);
    elm['Canvas.Left'] = xps;
    if(yps) { elm['Canvas.Top'] = yps; }
  }
}










/****************************************************************************
* The model of the player MVC triad, which stores all playback logic.
****************************************************************************/
jeroenwijering.Model = function(cfg,ctr,vie) {
  this.configuration = cfg;
  this.controller = ctr;
  this.view = vie;
  this.video = this.configuration['sender'].findName("VideoWindow");
  this.preview = this.configuration['sender'].findName("PlaceholderImage");
  var str = {
    'true':'UniformToFill',
    'false':'Uniform',
    'fit':'Fill',
    'none':'None'
  }
  this.state = this.video.CurrentState;
  this.timeint;
  this.video.Stretch = str[this.configuration['overstretch']];
  this.preview.Stretch = str[this.configuration['overstretch']];
  this.video.BufferingTime = 
    jeroenwijering.utils.spanstring(this.configuration['bufferlength']);
  this.video.AutoPlay = true;
  this.video.AddEventListener("CurrentStateChanged",
    jeroenwijering.utils.delegate(this,this.stateChanged));
  this.video.AddEventListener("MediaEnded",
    jeroenwijering.utils.delegate(this,this.mediaEnded));
  this.video.AddEventListener("BufferingProgressChanged",
    jeroenwijering.utils.delegate(this,this.bufferChanged));
  this.video.AddEventListener("DownloadProgressChanged",
    jeroenwijering.utils.delegate(this,this.downloadChanged));
  if(this.configuration['image'] != '') {
    this.preview.Source = this.configuration['image'];
  }
}

jeroenwijering.Model.prototype = {
  goPause: function(sec) {
    this.video.pause();
    if(!isNaN(sec)) {
      this.video.Position = jeroenwijering.utils.spanstring(sec);
    }
    this.timeChanged();
  },

  goStart: function(sec) {
    this.video.Visibility = 'Visible';
    this.preview.Visibility = 'Collapsed';
    if(this.state == "Closed") {
      this.video.Source = this.configuration['file'];
    } else {
      this.video.play();
    }
    if(!isNaN(sec)) {
      this.video.Position = jeroenwijering.utils.spanstring(sec);
    }
  },

  goStop: function() {
    this.video.Visibility = 'Collapsed';
    this.preview.Visibility = 'Visible';
    this.goPause(0);
    this.video.Source = 'null';
    this.view.onBuffer(0);
    clearInterval(this.timeint);
  },

  goVolume: function(pct) {
    this.video.Volume = pct/100;
  },

  stateChanged: function() {
    var stt = this.video.CurrentState;
    if(stt != this.state) {
      this.controller.setState(this.state,stt);
      this.view.onState(this.state,stt);
      this.state = stt;
      this.configuration['duration'] = 
        Math.round(this.video.NaturalDuration.Seconds*10)/10;
      if(stt != "Playing" && stt != "Buffering" && stt != "Opening") {
        clearInterval(this.timeint);
      } else {
        this.timeint = setInterval(jeroenwijering.utils.delegate(
          this,this.timeChanged),100);
      }
    }
  },

  mediaEnded: function() {
    if(this.configuration['repeat'] == 'true') {
      this.goStart(0);
    } else {
      this.state = 'Completed';
      this.view.onState(this.state,'Completed');
      this.video.Visibility = 'Collapsed';
      this.preview.Visibility = 'Visible';
      this.goPause(0);
    }
  },

  bufferChanged: function() {
    var bfr = Math.round(this.video.BufferingProgress*100);
    this.view.onBuffer(bfr);
  },

  downloadChanged: function() {
    var dld = Math.round(this.video.DownloadProgress*100);
    this.view.onLoad(dld);
  },

  timeChanged: function() {
    var pos = Math.round(this.video.Position.Seconds*10)/10;
    this.view.onTime(pos,this.configuration['duration']);
  }
}










/****************************************************************************
* Some utility functions.
****************************************************************************/
jeroenwijering.utils.delegate = function(obj,fcn) {
  return function() {
    return fcn.apply(obj,arguments);
  }
}
jeroenwijering.utils.timestring = function(stp) {
  var hrs = Math.floor(stp/3600);
  var min = Math.floor(stp%3600/60);
  var sec = Math.round(stp%60);
  var str = "";
  sec > 9 ? str += sec: str +='0'+sec;
  min > 9 ? str = min+":"+str: str='0'+min+":"+str;
  hrs > 0 ? str = hrs+":"+str: null;
  return str;
}
jeroenwijering.utils.spanstring = function(stp) {
  var hrs = Math.floor(stp/3600);
  var min = Math.floor(stp%3600/60);
  var sec = Math.round(stp%60*10)/10;
  var str = hrs+':'+min+':'+sec;
  return str;
}