web/res/metadataplayer/test/hook.js
author Samuel Huron <samuel.huron@centrepompidou.fr>
Wed, 06 Apr 2011 16:26:16 +0200
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var Hook = {
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  hooks: [],
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  register: function ( name, callback ) {
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    if( 'undefined' == typeof( Hook.hooks[name] ) )
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      Hook.hooks[name] = []
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    Hook.hooks[name].push( callback )
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  },
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  call: function ( name, arguments ) {
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    if( 'undefined' != typeof( Hook.hooks[name] ) )
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      for( i = 0; i < Hook.hooks[name].length; ++i )
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        if( true != Hook.hooks[name][i]( arguments ) ) { break; }
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  }
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}