初始化

uni_modules/UniDevTools/node_modules/licia/MediaQuery.js

@@ -0,0 +1,24 @@
+var Emitter = require('./Emitter');
+exports = Emitter.extend({
+    className: 'MediaQuery',
+    initialize: function(query) {
+        var _this = this;
+        this.callSuper(Emitter, 'initialize');
+        this._listener = function() {
+            _this.emit(_this.isMatch() ? 'match' : 'unmatch');
+        };
+        this.setQuery(query);
+    },
+    setQuery: function(query) {
+        if (this._mql) {
+            this._mql.removeListener(this._listener);
+        }
+        this._mql = window.matchMedia(query);
+        this._mql.addListener(this._listener);
+    },
+    isMatch: function() {
+        return this._mql.matches;
+    }
+});
+
+module.exports = exports;