Class TMediaData

The TMediaData object is used to manage track and advertisement metadata.
Basic functions are to:

Format metadata to normalize fields & generate fields.
Keep list short list of recently processed metadata.
Provide centralized triggering of metadata events.

Defined in: <class.mediadata.js>.

Class Summary
Constructor Attributes	Constructor Name and Description
	TMediaData() Construct a new TMediaData object.

Field Summary
Field Attributes	Field Name and Description
	coverpicture_url The URL where cover pictures are stored online.
	history_max The maximum number of media items to store in the history array.
	onData Subscribe to the onData event to handle any new metadata that arrives.
	onHistoryLoaded Subscribe to the onHistoryLoaded event to be notified once all history data has been loaded.

Method Summary
Method Attributes	Method Name and Description
	getCurrentAd() Retrieve current advertisement.
	getLastAd() Retrieve last advertisement processed.
	getMediaHistory(limit, mediatypes) Retrieve items from history array.

Class Detail

TMediaData()

Construct a new TMediaData object.

Field Detail

{string} coverpicture_url

The URL where cover pictures are stored online.

{int} history_max

The maximum number of media items to store in the history array.

Default Value:: 20

{YUI_EVENT} onData

Subscribe to the onData event to handle any new metadata that arrives.
Arguments passed back to the event handler function are:

metadata - Media metadata array, containing either Track information or Ad-information.

{YUI_EVENT} onHistoryLoaded

Subscribe to the onHistoryLoaded event to be notified once all history data has been loaded.
No arguments are passed back to event handler function.

Method Detail

{array} getCurrentAd()

Retrieve current advertisement.

Returns:: {array} Mediadata array of CURRENT advertisement. Null if none or advertisemented ended.

{array} getLastAd()

Retrieve last advertisement processed.

Returns:: {array} Mediadata array of last advertisement processed. Null if none were processed yet.

{array} getMediaHistory(limit, mediatypes)

Retrieve items from history array.

var md = new TMetaData();
var list = md.getMediaHistory(10,"A,S,N");
for(i = 0; i < list.length; i++)
	alert('songtype: '+list[i]['songtype']+', title:'+list[i]['title']);

Parameters:
{int} limit: The maximum number of items to return.
{string} mediatypes: Comma-delimited list of mediatypes (songtype) to return. Default is A,S

Returns:: {array} List of media items as array.

Classes

Class TMediaData