79 lines
1.3 KiB
JavaScript
79 lines
1.3 KiB
JavaScript
//.CommonJS
|
|
var CSSOM = {};
|
|
///CommonJS
|
|
|
|
|
|
/**
|
|
* @constructor
|
|
* @see http://dev.w3.org/csswg/cssom/#the-medialist-interface
|
|
*/
|
|
CSSOM.MediaList = function MediaList(){
|
|
this.length = 0;
|
|
};
|
|
|
|
CSSOM.MediaList.prototype = {
|
|
|
|
constructor: CSSOM.MediaList,
|
|
|
|
/**
|
|
* @return {string}
|
|
*/
|
|
get mediaText() {
|
|
return Array.prototype.join.call(this, ", ");
|
|
},
|
|
|
|
/**
|
|
* @param {string} value
|
|
*/
|
|
set mediaText(value) {
|
|
if (typeof value === "string") {
|
|
var values = value.split(",").filter(function(text){
|
|
return !!text;
|
|
});
|
|
var length = this.length = values.length;
|
|
for (var i=0; i<length; i++) {
|
|
this[i] = values[i].trim();
|
|
}
|
|
} else if (value === null) {
|
|
var length = this.length;
|
|
for (var i = 0; i < length; i++) {
|
|
delete this[i];
|
|
}
|
|
this.length = 0;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {string} medium
|
|
*/
|
|
appendMedium: function(medium) {
|
|
if (Array.prototype.indexOf.call(this, medium) === -1) {
|
|
this[this.length] = medium;
|
|
this.length++;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @param {string} medium
|
|
*/
|
|
deleteMedium: function(medium) {
|
|
var index = Array.prototype.indexOf.call(this, medium);
|
|
if (index !== -1) {
|
|
Array.prototype.splice.call(this, index, 1);
|
|
}
|
|
},
|
|
|
|
item: function(index) {
|
|
return this[index] || null;
|
|
},
|
|
|
|
toString: function() {
|
|
return this.mediaText;
|
|
}
|
|
};
|
|
|
|
|
|
//.CommonJS
|
|
exports.MediaList = CSSOM.MediaList;
|
|
///CommonJS
|