WMANAGER.JS : GÉRER LES FICHIERS WMA AVEC WINDOWS MEDIA PLAYER CROSS-BROWSER

/*******************************************************
*************** Wmanager.js version 1.0 ****************
****************** JDMCreator 2010 *********************
*******************************************************/

  function OnDSPlayStateChangeEvt(tn)
  {
wmanager.eventManager(tn);

}


wmanager= new function(){
this.version="1.0"
this.sounds=[];
this.soundStatus=[];
this.nb=0;

this.playAll=function(){
for(i in this.sounds){
this.sounds[i].play();

}
}
this.stopAll=function(){
for(i in this.sounds){
this.sounds[i].stop();

}
}
this.pauseAll=function(){
for(i in this.sounds){
this.sounds[i].pause();

}
}
this.resumeAll=function(){
for(i in this.sounds){
this.sounds[i].resume();

}
}
this.prepareToBeReady=function(i){

tl=this.sounds[i].getObject().URL.substring(this.sounds[i].getObject().URL.lastIndexOf('/')+1,this.sounds[i].getObject().URL.length);
tl=this.sounds[i].getObject().URL.substring(this.sounds[i].getObject().URL.lastIndexOf('\\')+1,this.sounds[i].getObject().URL.length);
td=this.sounds[i].systemURL.substring(this.sounds[i].systemURL.lastIndexOf('/')+1,this.sounds[i].systemURL.length);
td=this.sounds[i].systemURL.substring(this.sounds[i].systemURL.lastIndexOf('\\')+1,this.sounds[i].systemURL.length);

if(this.sounds[i].getObject().currentMedia!=null && tl==td && this.sounds[i].getObject().currentMedia.attributeCount>1){
try{this.sounds[i].onsystemready(this.sounds[i]);}catch(e){}
try{this.sounds[i].onready(this.sounds[i]);}catch(e){}

}
else{
this.nb=i;
window.setTimeout(function(){wmanager.prepareToBeReady(wmanager.nb)},50);
}

}

this.eventManager=function(tn){



for(i in this.sounds){

can=false;

yn=this.sounds[i].getObject();
ty=this.sounds[i];
tu=this.soundStatus[i];
if(yn!=null){
if(yn.playState!=tu){

if(yn.playState==tn){

if(tu==0){

this.prepareToBeReady(i);

try{ty.onsoundready(ty);}catch(e){}
if(tn==3 && !this.sounds[i].settings.autoPlay){
break;
}

}
can=true;
}
this.soundStatus[i]=tu;

}


if(can){
try{ty.onchangeplaystate(tn);}catch(e){}
switch(tn){
case 1:
ty.playing=false;
ty.paused=false;
ty.stopped=true;
try{ty.onstop(ty);}catch(e){}
break;
case 2:
ty.playing=false;
ty.paused=true;
ty.stopped=false;
try{ty.onpause(ty);}catch(e){}
break;
case 3:
ty.playing=true;
ty.paused=false;
ty.stopped=false;

try{this.sounds[i].onsystemplay(this.sounds[i]);}catch(e){}
try{this.sounds[i].onplay(this.sounds[i]);}catch(e){}


break;
case 8:
try{ty.onfinish(ty);}catch(e){}
break;
default:
break;


}

wmanager.soundStatus[i]=t1.playState;

}
}
}
}
this.createSound=function(){return false;}
this.isWMPInstalled=function(){
if(navigator.mimeTypes.length==0){
return undefined;
}
for(var i=0; i<navigator.mimeTypes.length; i++)
{
if(navigator.mimeTypes[i].type=='audio/x-ms-wma'){
return true;
}
}
return false;
}
this.createPlayer=function(tn){
tl=new this.playerCreater(tn);
this.sounds.push(tl);
this.soundStatus.push(0);
return tl.id;
}

this.getSoundById=function(tn){

for(i in this.sounds){
if(this.sounds[i].id==tn){

return this.sounds[i];
}

}

}
this.playerCreater=function(tn){
this.systemURL=tn.src;
this.onready=tn.onready;
this.playing=false;
this.isReady=false;
this.settings=tn;
this.settings.height=(tn.height==undefined) ? 320 : tn.height;
this.settings.width=(tn.width==undefined) ? 300 : tn.width;
this.settings.showControls=(tn.showControls==undefined) ? true : tn.showControls;
this.id=tn.id;
ty=document.createElement("div");
tnu=(tn.invisible) ? 'width=1 height=1 style="position:absolute;top:0px;left:0px;width:1px;height:1px;clip:rect(1px 1px 1px 1px);"' : 'width='+tn.width+' height='+tn.height;

ty.innerHTML='<object classid="clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6" id="test2" data="'+tn.src+'" '+tnu+' volume=" 0"><param name="URL" ref value="'+tn.src+'"><param name="autostart" value="true" /><param name="volume" value="0" /><object id="test" data="'+tn.src+'" type="application/x-ms-wmp" '+tnu+'><param name="URL" ref value="'+tn.src+'"><param name="autostart" value="true" /><param name="volume" value="0" /><param name="autostart" value="true" /><object id="test" data="'+tn.src+'" type="audio/x-ms-wma" '+tnu+'><param name="URL" ref value="'+tn.src+'"><param name="autostart" value="true" /></object></object></object>';


this.divObject=ty;
tn.element.appendChild(ty,tn.element);

this.paused=false;
this.stopped=true;

this.onsystemready=function(t,i){

wmanager.soundStatus[i]=t;
if(!this.settings.autoPlay){
this.stop();
}
if(!this.settings.showControls){
this.deleteControls();
}
if(this.settings.invisible){
this.changeSettings('invisible',true);
}
}

this.setURL=function(ty){
tn=this.getObject();
if(tn!=null){

for(var i=0;i<wmanager.sounds.length;i++){
if(wmanager.sounds[i]=this){
tu=i;
}
}
this.systemURL=ty;
wmanager.soundStatus[tu]=0;
try{this.onbeforechangeurl();}catch(e){}
tn.URL=ty;
}
}

this.getURL=function(tn){
tn=this.getObject();
if(tn!=null){
return tn.URL;
}
}
this.stop=function(){

tn=this.getObject();
if(tn!=null){if(tn.controls.isAvailable('Stop')){
tn.controls.stop()
}
}
}
this.fastForward=function(){

tn=this.getObject();
if(tn!=null){if(tn.controls.isAvailable('FastForward')){
tn.controls.fastForward()}
}
}
this.play=function(){

tn=this.getObject();
if(tn!=null){if(tn.controls.isAvailable('Play')){
tn.controls.play()}
}
}
this.pause=function(){
tn=this.getObject();
if(tn!=null){
if(tn.controls.isAvailable('Pause')){
tn.controls.pause()
}}
}
this.getVolume=function(){

tn=this.getObject();
if(tn!=null){
return tn.settings.volume;
}
}
this.setVolume=function(ty){

tn=this.getObject();
if(tn!=null){
tn.settings.volume=ty;
return tn.settings.volume==ty;
}
return false;
}
this.getDuration=function(){

tn=this.getObject();
if(tn!=null){
return tn.currentMedia.duration
}
}
this.getCurrentPosition=function(){

tn=this.getObject();
if(tn!=null){
return tn.controls.currentPosition;
}
}
this.getSongInformation=function(ty){
tn=this.getObject();
if(tn==null){
return false;
}
ty=ty.toLowerCase();
ty=(ty=="artist" || ty=="tpe1") ? "author" : ty;
ty=(ty=="songname" || ty=="tit2") ? "title" : ty;
ty=(ty=="artist" || ty=="tpe1") ? "WM/AlbumArtist" : ty;
ty=(ty=="album" || ty=="talb") ? "WM/AlbumTitle" : ty;
ty=(ty=="comm" || ty=="comment") ? "description" : ty;
ty=(ty=="tcon" || ty=="genre") ? "WM/GenreID" : ty;
ty=(ty=="genrename") ? "WM/Genre" : ty;
ty=(ty=="trck" || ty=="track") ? "WM/TrackNumber" : ty;
ty=(ty=="tyer" || ty=="year") ? "WM/Year" : ty;


try{
ty=tn.currentMedia.getItemInfo(ty);
if(ty!=""){
return ty;
}
}
catch(e){}
return false;
}
this.getVersion=function(){
return this.getObject().versionInfo;
}

this.getBalance=function(ty){
tn=this.getObject();
if(tn!=null){
return tn.settings.balance;
}
}
this.muted=false;
this.mute=function(ty){
tn=this.getObject();
if(tn!=null){
tn.settings.mute=true;
this.muted=true;
}
}
this.unmute=function(ty){
tn=this.getObject();
if(tn!=null){
tn.settings.mute=false;
this.muted=false;
}
}
this.setBalance=function(ty){
tn=this.getObject();
if(tn!=null){
tn.settings.balance=ty;
}
}
this.setPosition=function(ty){
tn=this.getObject();
if(tn!=null){
tn.controls.currentPosition=ty;
}
}
this.getCurrentPositionText=function(){
tn=this.getObject();
if(tn!=null){
return tn.controls.currentPositionString;
}
}
this.changeSettings=function(tn,tv){

switch(tn){


case "id" :
this.id=tv;
this.settings.id=tv;
break;
case "src" :
this.setURL(tv);
this.settings.src=tv;
break;
case "width" :
this.settings.width=tv;
ty=this.getObject();
if(ty!=null){
ty.width=tv;
ty.style.width=tv+"px";
}
break;
case "height" :
this.settings.height=tv;
ty=this.getObject();
if(ty!=null){
ty.height=tv;
ty.style.height=tv+"px";
}
break;
case "showControls" :
tv=(tv==true) ? "full" : "none";
this.settings.showControls=tv;
this.deleteControls(tv);
break;
case "invisible" :

ty=this.getObject();
td=this.getCurrentPosition()*1;
if(!tv){
ty.style.position="static";
ty.width=this.settings.width;
ty.height=this.settings.height;
ty.style.width=this.settings.width+"px";
ty.style.height=this.settings.height+"px";
ty.style.clip="";
}
else{
ty.style.position="absolute";
ty.style.top="0px";
ty.style.left="0px";
ty.width="1";
ty.height="1";
ty.style.width="1px";
ty.style.height="1px";
ty.style.clip="clip:rect(1px 1px 1px 1px)";
}
this.setPosition(td);
this.settings.invisible=tv;
break;
default:
break;
}
return null;
}

this.deleteControls=function(t){

t=(t==undefined) ? "none" : t;

tn=this.getObject();
if(tn!=null){

tn.uiMode=t;
return true;

}
return false;




}
this.resume=function(tn){
this.play(tn);
}

this.getObject=function(tn){
t1=this.divObject.firstChild;
if(t1.controls){return t1}
if(t1.lastChild.controls){
return t1.lastChild;}
return null;

}
if(!tn.showControls){
this.deleteControls();
}
try{
this.getObject().attachEvent("playStateChange",OnDSPlayStateChangeEvt);
}
catch(e){
try{
this.getObject().addEventListener("playStateChange",OnDSPlayStateChangeEvt)

}
catch(e){}

}

}



}