update collection menus
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65442321a0
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8119b930e4
17 changed files with 183 additions and 52 deletions
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@ -48,23 +48,47 @@ Example:
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query: {
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type: String,
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observer: 'queryChanged'
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},
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_boundMQHandler: {
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value: function() {
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return this.queryHandler.bind(this);
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}
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}
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},
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created: function() {
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this._mqHandler = this.queryHandler.bind(this);
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attached: function() {
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this.queryChanged();
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},
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queryChanged: function(query) {
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detached: function() {
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this._remove();
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},
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_add: function() {
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if (this._mq) {
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this._mq.removeListener(this._mqHandler);
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this._mq.addListener(this._boundMQHandler);
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}
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},
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_remove: function() {
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if (this._mq) {
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this._mq.removeListener(this._boundMQHandler);
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}
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this._mq = null;
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},
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queryChanged: function() {
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this._remove();
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var query = this.query;
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if (!query) {
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return;
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}
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if (query[0] !== '(') {
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query = '(' + query + ')';
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}
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this._mq = window.matchMedia(query);
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this._mq.addListener(this._mqHandler);
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this._add();
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this.queryHandler(this._mq);
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},
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