/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Defination of class CCalendarInterface

*

*/

function __device_media_descriptor(provider){

  this.interfaceName = provider.interfaceName;

  this.version = provider.version;

}

function __device_media_getList(media_cb, match,order, media_errcbk){

//  return this.provider.getList(match,order, media_cb);

   return this.provider.getList(media_cb, match,order, media_errcbk);

}

function __device_media_getThumbnail(media_cb, match, media_errcbk){

   return this.provider.getThumbnail(media_cb, match, media_errcbk);

}

function __device_media_addStreamUri(uri){

   return this.provider.addStreamUri(uri);

}

function __device_media_deleteStreamUri(uri){

   return this.provider.deleteStreamUri(uri);

}

function __device_media_cancel(transactionId)

{

 this.provider.cancel(transactionId);

}

function __device_media_refreshMediaDb(uri)

{

 this.provider.refreshMediaDb(uri); 

}

// Private location prototype: called from service factory

function __device_media(provider){

  //Private properties

  this.provider = provider;

  //Read-only properties

  this.interfaceName = provider.descriptor.interfaceName;

  this.version = provider.descriptor.version;

  //constants

  this.SORT_ASCENDING = 0;

  this.SORT_DESCENDING = 1;

  //Extended methods

  this.getList = __device_media_getList;

  this.getThumbnail = __device_media_getThumbnail;

  this.addStreamUri = __device_media_addStreamUri;

  this.deleteStreamUri = __device_media_deleteStreamUri;

  this.refreshMediaDb = __device_media_refreshMediaDb;

  this.cancel = __device_media_cancel;

}

// media service interface

var __device_media_service_entry = {"name": null, 

				      "version": null,

				      "proto": __device_media,

				      "descriptor": __device_media_descriptor,

				      "providers": [{"descriptor": __sp_media_descriptor, "instance": __sp_media_instance}]

				     };

function __device_media_descriptor(provider){

  this.interfaceName = provider.interfaceName;

  this.version = provider.version;

}

function __device_media_getList(media_cb, match,order, media_errcbk){

//  return this.provider.getList(match,order, media_cb);

   return this.provider.getList(media_cb, match,order, media_errcbk);

}

function __device_media_getThumbnail(media_cb, match, media_errcbk){

   return this.provider.getThumbnail(media_cb, match, media_errcbk);

}

function __device_media_addStreamUri(uri){

   return this.provider.addStreamUri(uri);

}

function __device_media_deleteStreamUri(uri){

   return this.provider.deleteStreamUri(uri);

}

function __device_media_cancel(transactionId)

{

 this.provider.cancel(transactionId);

}

function __device_media_refreshMediaDb(uri)

{

 this.provider.refreshMediaDb(uri); 

}

// Private location prototype: called from service factory

function __device_media(provider){

  //Private properties

  this.provider = provider;

  //Read-only properties

  this.interfaceName = provider.descriptor.interfaceName;

  this.version = provider.descriptor.version;

  //constants

  this.SORT_ASCENDING = 0;

  this.SORT_DESCENDING = 1;

  //Extended methods

  this.getList = __device_media_getList;

  this.getThumbnail = __device_media_getThumbnail;

  this.addStreamUri = __device_media_addStreamUri;

  this.deleteStreamUri = __device_media_deleteStreamUri;

  this.refreshMediaDb = __device_media_refreshMediaDb;

  this.cancel = __device_media_cancel;

}

// media service interface

var __device_media_service_entry = {"name": null, 

				      "version": null,

				      "proto": __device_media,

				      "descriptor": __device_media_descriptor,

				      "providers": [{"descriptor": __sp_media_descriptor, "instance": __sp_media_instance}]

				     };

// S60 sp-based media provider

var FILESCHMLEN = 7;

//var MISSING_ARG_ERR = 1003;

//var error = DeviceException();

/*

if(undefined==com.nokia.device.media){

com.nokia.device.media={};

}

com.nokia.device.media.SORT_ASCENDING  = 0;

com.nokia.device.media.SORT_DESCENDING  = 1;

*/

function __sp_media_descriptor(){

  //Read-only properties

  this.interfaceName = "media";

  if(window.__Service_Interface_Ver)

	this.version =__Service_Interface_Ver;

  else

	this.version =1.0;

  //Class-static properties 

}

function __sp_device_media_item_build(sp_item){

    if (!sp_item) {

		return null;

	}

    var media_item = {};

	modifyObjectBaseProp(media_item);

    if (sp_item.FileNameAndPath) {

        var pathname = sp_item.FileNameAndPath.replace(/\\/g, "/");

        var fileScheme = "file://";

        media_item.uri = fileScheme + pathname; 

    }

    if(sp_item.MediaType){

		var mediaType = sp_item.MediaType;

		switch( mediaType ){

			case 1:

			case 2:	 media_item.type	= "audio";

					break;

			case 3: media_item.type	= "image";

					break;

			case 4: media_item.type	= "video";

					break;

			case 5: media_item.type	= "stream";

			        break;

			default:break;

		}

	}

if(sp_item.FileName){

		if(sp_item.MediaType == 3)

		{

		media_item.title = 	sp_item.FileName;

		}

	}

    if (sp_item.FileDate) {

		media_item.date = new Date(Date.parse(sp_item.FileDate));

	}

    if (sp_item.FileSize) {

		media_item.size = sp_item.FileSize;

	}

    if (sp_item.SongName) {

		media_item.title = sp_item.SongName;

	}

    if (sp_item.Artist) {

		media_item.artist = sp_item.Artist;

	}

    if (sp_item.Album) {

		media_item.album = sp_item.Album;

	}

    if (sp_item.Genre) {

		media_item.genre = sp_item.Genre;

	}

    if (sp_item.TrackNumber) {

		media_item.track = sp_item.TrackNumber;

	}

    if (sp_item.Composer) {

		media_item.composer = sp_item.Composer;

	}

    return media_item;

}

// ------ Wrap sp iterator ------- 

function __sp_media_iterator_get_next(){

  //__device_debug("sp_media_iterator_get_next");

  //alert("Before iterator_get_next");

  var item = this.iter.getNext();

  //alert("After iterator_get_next");

  if(typeof item == "undefined"){

    return null;

  }

  var mediaitem =  __sp_device_media_item_build(item);

  item.close();

  return mediaitem;

}

function __sp_media_iterator(js_iterator){

  this.iter = js_iterator;

  this.next = __sp_media_iterator_get_next;

  this.close = function(){

        this.iter.close();

    };

}

function __sp_media_get_field_name(name, type){

	 this.error = new DeviceException(0, "Dummy");

	//alert("__sp_media_get_field_name");

	  if(typeof name != "string"){

	    throw new DeviceException(this.error.INVALID_ARG_ERR ,"Media:getList:field is of invalid type");

	  }

     switch(name.toLowerCase()){

        case "title":

			if (type == "Image" || type == "Video") {

				//alert("__sp_media_get_field_name video r image");

				return "FileName";

			}

			else {

				//alert("__sp_media_get_field_name in else part");

				return "SongName";

			}

        case "artist":

			//alert(" In artist");

            return "Artist";

        case "album":

		//alert(" In album");

            return "Album";

        case "genre":

			//alert(" In genere");

            return "Genre";

        case "track":

		//alert(" In track");

            return "TrackNumber";

        case "composer":

            return "Composer";

        default:				

		    return null;

     }

}

function __sp_media_get_sortfield_name(name, type){

	 this.error = new DeviceException(0, "Dummy");

	//alert("neme = "+name);

	//alert("In get sort field"+typeof name);

	  if(typeof name != "string"){

	    throw new DeviceException(this.error.INVALID_ARG_ERR, "Media:getList:sortBy is of invalid type");

	  }

	  var sortfield = name.toLowerCase();

	  if( sortfield == "date"){

	  	return "FileDate";

	  }

	  else{

	  	return __sp_media_get_field_name(name, type);

	  }

}

// Converting date object to string

function __sp_media_get_date_objct(date)

{

	//alert("In method __sp_media_get_date_objct");

	var dateString = "";

	// adding year to dateString

	dateString = date.getFullYear().toString();

	// adding month to dateString

	if(date.getMonth() <10)

		{

		dateString = dateString + ("0")+(date.getMonth().toString());

		}

	else

		{

		dateString = dateString + (date.getMonth().toString());

		}

	// adding day to dateString

	var day = date.getDate() -1;

	if(day<10)

		{

		dateString = dateString + ("0")+(day.toString());

		}

	else

		{

		dateString = dateString + (day.toString());	

		}

		// Adding : to dateString

		dateString = dateString + (":");

	// Adding hours to dateString

	if(date.getHours()<10)		

		{

		dateString = dateString + ("0")+(date.getHours().toString());	

		}

	else

		{

		dateString = dateString + (date.getHours().toString());		

		}

	// Adding minutes to dateString

	if(date.getMinutes()<10)		

		{

		dateString = dateString + ("0")+(date.getMinutes().toString());	

		}

	else

		{

		dateString = dateString + (date.getMinutes().toString());		

		}

	// Adding seconds to dateString

	if(date.getSeconds()<10)		

		{

		dateString = dateString + ("0")+(date.getSeconds().toString());	

		}

	else

		{

		dateString = dateString + (date.getSeconds().toString());		

		}

	return dateString;

}

function __sp_media_getList_cb(arg1, arg2, arg3) {

	//alert("__sp_media_getList_cb" + arg1);

	var media_cb;

	var media_errcbk;

	 var CbObj;

    //alert("1111111111");

    CbObj = glob_obj.getFromArray(arg1);

	// alert("222222222222");

    if (CbObj) {

		 //alert("33333333333");

        media_cb = CbObj.success_cb;

		// alert("4444444444444444");

        media_errcbk = CbObj.error_cb;

		// alert("5555555555555555");

    }

    else {

		//alert("6666666666666666");

        alert("Media : __sp_media_getList_cb: Callback not found ");

		return;

    }

		if(arg3.ErrorCode != 0 && arg3.ErrorCode != 1010)

		{

			//alert("77777777777777");

			media_errcbk(new DeviceException( arg3.ErrorCode,"Media: getList: Operation Failed"));

			return;

		}

		if (arg2 != event_cancelled) {

			//alert("888888888");

			var iter = null;

			if (arg3.ReturnValue) {

				//alert("11");

				iter = new __sp_media_iterator(arg3.ReturnValue);

				//alert("12");

			}

			//alert( " before sucess call back");

			media_cb(iter); // Need to make change later on as case of eventid

			//alert( " After sucess call back");

		}

		glob_obj.removeFromArray(arg1);

  }

function __sp_media_getList(media_cb, match, order, media_errcbk){	

	//alert("In __sp_media_getList wraper ");

	if (!media_cb) {		

		throw new DeviceException(this.error.MISSING_ARG_ERR,"Media:getList:Callback is missing");

	}

	else 

		if (typeof media_cb != "function") //here we check if the type of callback is function. This case is useful when arbitrary values are passed to callback

		{			

			throw new DeviceException(this.error.INVALID_ARG_ERR,"Media:getList:Callback is of invalid type");

		}

	if(media_errcbk)

	{ 		

		if(typeof media_errcbk != 'function')

		{			

		   	throw new DeviceException(this.error.INVALID_ARG_ERR, "Media: getList: error callback is invalid");

		}

	}

	 if((typeof match) != 'object'){

  			//alert(" match is not object");

  	      	throw  new DeviceException(this.error.INVALID_ARG_ERR, "Invalid Argument:" +match);	

			}

		//alert(" In my match");

		if (match) {

			if (('sortBy' in match) && (match.sortBy == undefined || match.sortBy == null || match.sortBy == "")) {

				//alert(" In condition" + this.error.INVALID_ARG_ERR);

				throw new DeviceException(this.error.INVALID_ARG_ERR, "Media: getList: sortby is invalid");

			}

		}

	//alert(" After match");

  var criteria = {};  

  modifyObjectBaseProp(criteria);  

  criteria.Type = 'FileInfo';  

  criteria.Filter = {};

  modifyObjectBaseProp(criteria.Filter);

  criteria.Sort = {};

  modifyObjectBaseProp(criteria.Sort);

  if (match) {  	

  	  if(match.type){	  	

	  	  if(typeof match.type != "string"){		  	

		  throw new DeviceException(this.error.INVALID_ARG_ERR,"Media:getList:type is of invalid type");

		  }

	      switch (match.type.toLowerCase()) {

	          case "audio":

//	              criteria.Filter.FileType = "Music";

 	              criteria.Filter.FileType = "audio";

	              break;

	          case "image":

	              criteria.Filter.FileType = "Image";

	              break;

	          case "video":

			  		//alert(" In Video");

	              criteria.Filter.FileType = "Video";

	              break;

	          case "stream":

	              criteria.Filter.FileType = "StreamingURL";

	              break;

			  default:			 

			  	  throw new DeviceException(this.error.INVALID_ARG_ERR,"Media:getList: type is invalid");

	      }

		  if( ('field' in match) && ( match.field == undefined || match.field == null) )

        		   throw new DeviceException(this.error.INVALID_ARG_ERR, "Media:getList:field is invalid");

	      if (match.field != null) {

	          criteria.Filter.Key = __sp_media_get_field_name(match.field.name,criteria.Filter.FileType);

			  if( criteria.Filter.Key == null ){			  

			  throw new DeviceException(this.error.INVALID_ARG_ERR, "Media:getList:key is invalid");	

			  }

	          if(match.field.value){

			  criteria.Filter.StartRange = match.field.value;

			  if(criteria.Filter.Key == "TrackNumber"){

			  criteria.Filter.EndRange = match.field.value;  

			  }

	          //Note: date matches not supported currently		  	

			  }			  

	      }

		  else{ // When match is not defined then we will look for daterange

		  	if(match.dateRange)

			{				

				if(typeof match.dateRange != "object")

					{						

					throw new DeviceException(this.error.INVALID_ARG_ERR, "Media:getList:dateRange is of invalid type");		

					}

				//alert("got daterange");

				criteria.Filter.Key = "FileDate";

				if((typeof match.dateRange.start != "undefined") && (typeof match.dateRange.end != "undefined"))

				{

						//alert(" In range");