cuba-app/cuba-app-aware-behavior.html at master · cuba-elements/cuba-app · GitHub

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<script>
  (function() {

    /**
     * @polymerBehavior CubaAppAwareBehavior
     */
    CubaAppAwareBehavior = {

      properties: {
        /**
         * @type {cuba.CubaApp}
         */
        app: {
          type: Object,
          notify: true,
          readOnly: true
        },
        appName: {
          type: String,
          value: '',
          observer: '_appNameChanged'
        }
      },

      _appNameChanged: function(appName) {
        if (this.app && this.app.name === appName) {
          return;
        }
        var _this = this;
        var app = cuba.getApp(appName);
        if (app != null) {
          this._setApp(app);
        } else { // wait until app initalized
          window.addEventListener('cuba-app-initialized',
            function cubaAppInitialized(event) {
              window.removeEventListener('cuba-app-initialized', cubaAppInitialized);
              _this._appNameChanged(_this.appName);
            });
        }
      }

    }

  })();
</script>