Hide GPU preview whenever the stream tab is hidden

    // Attach methods to UIkit events for tab switching

    var context = this;

    // Gallery tab

    UIkit.util.on('#galleryDisplayTab', 'shown', function(event, area) {

      console.log("Gallery tab entered")

    UIkit.util.on('#streamDisplayTab', 'hidden', function(event, area) {

      console.log("Stream tab hidden")

      if (context.$store.state.globalSettings.trackWindow == true) {

        context.$root.$emit('globalTogglePreview', false)

      }