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-rw-r--r--src/print_battery_info.c107
1 files changed, 25 insertions, 82 deletions
diff --git a/src/print_battery_info.c b/src/print_battery_info.c
index 09db0a2..fc75f52 100644
--- a/src/print_battery_info.c
+++ b/src/print_battery_info.c
@@ -29,6 +29,20 @@
#endif
/*
+ * Estimate the number of seconds remaining in state 'status'.
+ *
+ * Assumes a constant (dis)charge rate.
+ */
+static int seconds_remaining_from_rate(charging_status_t status, float full_design, float remaining, float present_rate) {
+ if (status == CS_CHARGING)
+ return 3600.0 * (full_design - remaining) / present_rate;
+ else if (status == CS_DISCHARGING)
+ return 3600.0 * remaining / present_rate;
+ else
+ return 0;
+}
+
+/*
* Get battery information from /sys. Note that it uses the design capacity to
* calculate the percentage, not the last full capacity, so you can see how
* worn off your battery is.
@@ -39,7 +53,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
const char *walk, *last;
char *outwalk = buffer;
bool watt_as_unit = false;
- bool colorful_output = false;
int full_design = -1,
remaining = -1,
present_rate = -1,
@@ -136,37 +149,7 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
}
if (present_rate > 0 && status != CS_FULL) {
- float remaining_time;
- if (status == CS_CHARGING)
- remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
- else if (status == CS_DISCHARGING)
- remaining_time = ((float)remaining / (float)present_rate);
- else
- remaining_time = 0;
-
- seconds_remaining = (int)(remaining_time * 3600.0);
-
- if (status == CS_DISCHARGING && low_threshold > 0) {
- if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- } else if (strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- } else {
- colorful_output = false;
- }
- }
- } else {
- /* On some systems, present_rate may not exist. Still, make sure
- * we colorize the output if threshold_type is set to percentage
- * (since we don't have any information on remaining time). */
- if (status == CS_DISCHARGING && low_threshold > 0) {
- if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- }
- }
+ seconds_remaining = seconds_remaining_from_rate(status, full_design, remaining, present_rate);
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
int state;
@@ -201,16 +184,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
status = CS_DISCHARGING;
full_design = sysctl_rslt;
-
- if (state == ACPI_BATT_STAT_DISCHARG) {
- if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- } else if (strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- }
- }
#elif defined(__OpenBSD__)
/*
* We're using apm(4) here, which is the interface to acpi(4) on amd64/i386 and
@@ -253,23 +226,10 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
integer_battery_capacity = true;
percentage_remaining = apm_info.battery_life;
- if (status == CS_DISCHARGING && low_threshold > 0) {
- if (strcasecmp(threshold_type, "percentage") == 0 && apm_info.battery_life < low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- } else if (strcasecmp(threshold_type, "time") == 0 && apm_info.minutes_left < (u_int)low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- }
- }
-
/* Can't give a meaningful value for remaining minutes if we're charging. */
if (status != CS_CHARGING) {
seconds_remaining = apm_info.minutes_left * 60;
}
-
- if (colorful_output)
- END_COLOR;
#elif defined(__NetBSD__)
/*
* Using envsys(4) via sysmon(4).
@@ -436,17 +396,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
percentage_remaining =
(((float)remaining / (float)full_design) * 100);
- /*
- * Handle percentage low_threshold here, and time low_threshold when
- * we have it.
- */
- if (status == CS_DISCHARGING && low_threshold > 0) {
- if (strcasecmp(threshold_type, "percentage") == 0 && (((float)remaining / (float)full_design) * 100) < low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- }
- }
-
if (is_full)
status = CS_FULL;
@@ -454,26 +403,20 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
* The envsys(4) ACPI routines do not appear to provide a 'time
* remaining' figure, so we must deduce it.
*/
- float remaining_time;
-
- if (status == CS_CHARGING)
- remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
- else if (status == CS_DISCHARGING)
- remaining_time = ((float)remaining / (float)present_rate);
- else
- remaining_time = 0;
+ seconds_remaining = seconds_remaining_from_rate(status, full_design, remaining, present_rate);
+#endif
- seconds_remaining = (int)(remaining_time * 3600.0);
+ bool colorful_output = false;
- if (status != CS_CHARGING) {
- if (low_threshold > 0) {
- if (strcasecmp(threshold_type, "time") == 0 && ((float)seconds_remaining / 60.0) < (u_int)low_threshold) {
- START_COLOR("color_bad");
- colorful_output = true;
- }
+ if (status == CS_DISCHARGING && low_threshold > 0) {
+ if (percentage_remaining >= 0 && strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ } else if (seconds_remaining >= 0 && strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
}
}
-#endif
#define EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT() \
do { \