46 lines
953 B
JavaScript
46 lines
953 B
JavaScript
(function( jQuery ) {
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var topics = {},
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sliceTopic = [].slice;
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jQuery.Topic = function( id ) {
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var callbacks,
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method,
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topic = id && topics[ id ];
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if ( !topic ) {
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callbacks = jQuery.Callbacks();
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topic = {
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publish: callbacks.fire,
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subscribe: callbacks.add,
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unsubscribe: callbacks.remove
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};
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if ( id ) {
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topics[ id ] = topic;
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}
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}
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return topic;
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};
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jQuery.extend({
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subscribe: function( id ) {
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var topic = jQuery.Topic( id ),
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args = sliceTopic.call( arguments, 1 );
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topic.subscribe.apply( topic, args );
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return {
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topic: topic,
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args: args
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};
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},
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unsubscribe: function( id ) {
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var topic = id && id.topic || jQuery.Topic( id );
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topic.unsubscribe.apply( topic, id && id.args ||
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sliceTopic.call( arguments, 1 ) );
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},
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publish: function( id ) {
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var topic = jQuery.Topic( id );
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topic.publish.apply( topic, sliceTopic.call( arguments, 1 ) );
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}
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});
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})( jQuery );
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