battery: fixed remaining time on connected AC

when an AC is connected apm_info shows a non-valid value for remaining
minutes. it was decided that in that case the function should return an
empty string.

diff --git a/components/battery.c b/components/battery.c
index 53d94b5..84b2c11 100644 (file)
--- a/components/battery.c
+++ b/components/battery.c
@@ -121,8 +121,12 @@
                struct apm_power_info apm_info;
 
                if (load_apm_power_info(&apm_info)) {
-                       return bprintf("%u:%02u", apm_info.minutes_left / 60,
-                                      apm_info.minutes_left % 60);
+                       if (apm_info.ac_state != APM_AC_ON) {
+                               return bprintf("%u:%02u", apm_info.minutes_left / 60,
+                                              apm_info.minutes_left % 60);
+                       } else {
+                               return strdup("");
+                       }
                }
 
                return NULL;