controls: fix display of volume/position when values are unknown

Like when mpd is stopped and you connect for the first time.

diff --git a/main.js b/main.js
index 5b05cee5e2c101192829762c3b542f40b49f9d86..208f996183fdad1ea0ad87420a0d734b603e7be9 100644 (file)
--- a/main.js
+++ b/main.js
@@ -356,20 +356,25 @@ function update_ui(state, cmd) {
        });
 
        /* Update the status tab. */
-       var time;
-       if ('time' in state)
+       var time, percent;
+       if ('time' in state) {
                // When stopped, there is no time field at all.
                time = state.time.split(':');
-       else
+               percent = Math.floor((0.0 + time[0]) * 100 / (0.0 + time[1]));
+       } else {
                time = [0, 0];
+               percent = 0;
+       }
        ui_mpc_seekcur.max = time[1];
        ui_mpc_seekcur.value = time[0];
-       percent = Math.floor((0.0 + time[0]) * 100 / (0.0 + time[1]));
        ui_mpc_seekcur.title = 'seekcur (' + percent + '%)';
        ui_mpc_currtime.innerText = [pretty_time(time[0]), pretty_time(time[1]), percent + '%'].join(' / ');
 
-       ui_mpc_setvol.value = state.volume;
-       ui_mpc_setvol.title = 'setvol (' + state.volume + '%)';
+       ui_mpc_setvol.title = 'setvol';
+       if ('volume' in state) {
+               ui_mpc_setvol.value = state.volume;
+               ui_mpc_setvol.title += ' (' + state.volume + '%)';
+       }
 
        [
                'consume', 'random', 'repeat', 'single',