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-rw-r--r--src/service.c130
1 files changed, 125 insertions, 5 deletions
diff --git a/src/service.c b/src/service.c
index 1d8ba3e..36e705c 100644
--- a/src/service.c
+++ b/src/service.c
@@ -1135,6 +1135,129 @@ indicator_power_service_set_device_provider (IndicatorPowerService * self,
}
}
+/* If a device has multiple batteries and uses only one of them at a time,
+ they should be presented as separate items inside the battery menu,
+ but everywhere else they should be aggregated (bug 880881).
+ Their percentages should be averaged. If any are discharging,
+ the aggregated time remaining should be the maximum of the times
+ for all those that are discharging, plus the sum of the times
+ for all those that are idle. Otherwise, the aggregated time remaining
+ should be the the maximum of the times for all those that are charging. */
+static IndicatorPowerDevice *
+create_totalled_battery_device (const GList * devices)
+{
+ const GList * l;
+ guint n_charged = 0;
+ guint n_charging = 0;
+ guint n_discharging = 0;
+ guint n_batteries = 0;
+ double sum_percent = 0;
+ time_t max_discharge_time = 0;
+ time_t max_charge_time = 0;
+ time_t sum_charged_time = 0;
+ IndicatorPowerDevice * device = NULL;
+
+ for (l=devices; l!=NULL; l=l->next)
+ {
+ const IndicatorPowerDevice * device = INDICATOR_POWER_DEVICE(l->data);
+
+ if (indicator_power_device_get_kind(device) == UP_DEVICE_KIND_BATTERY)
+ {
+ const double percent = indicator_power_device_get_percentage (device);
+ const time_t t = indicator_power_device_get_time (device);
+ const UpDeviceState state = indicator_power_device_get_state (device);
+
+ ++n_batteries;
+
+ if (percent > 0.01)
+ sum_percent += percent;
+
+ if (state == UP_DEVICE_STATE_CHARGING)
+ {
+ ++n_charging;
+ max_charge_time = MAX(max_charge_time, t);
+ }
+ else if (state == UP_DEVICE_STATE_DISCHARGING)
+ {
+ ++n_discharging;
+ max_discharge_time = MAX(max_discharge_time, t);
+ }
+ else if (state == UP_DEVICE_STATE_FULLY_CHARGED)
+ {
+ ++n_charged;
+ sum_charged_time += t;
+ }
+ }
+ }
+
+ if (n_batteries > 1)
+ {
+ const double percent = sum_percent / n_batteries;
+ UpDeviceState state;
+ time_t time_left;
+
+ if (n_discharging > 0)
+ {
+ state = UP_DEVICE_STATE_DISCHARGING;
+ time_left = max_discharge_time + sum_charged_time;
+ }
+ else if (n_charging > 0)
+ {
+ state = UP_DEVICE_STATE_CHARGING;
+ time_left = max_charge_time;
+ }
+ else if (n_charged > 0)
+ {
+ state = UP_DEVICE_STATE_FULLY_CHARGED;
+ time_left = 0;
+ }
+ else
+ {
+ state = UP_DEVICE_STATE_UNKNOWN;
+ time_left = 0;
+ }
+
+ device = indicator_power_device_new (NULL,
+ UP_DEVICE_KIND_BATTERY,
+ percent,
+ state,
+ time_left);
+ }
+
+ return device;
+}
+
+/**
+ * If there are multiple UP_DEVICE_KIND_BATTERY devices in the list,
+ * they're merged into a new 'totalled' device representing the sum of them.
+ *
+ * Returns: (element-type IndicatorPowerDevice)(transfer full): a list of devices
+ */
+static GList*
+merge_batteries_together (GList * devices)
+{
+ GList * ret;
+ IndicatorPowerDevice * merged_device;
+
+ if ((merged_device = create_totalled_battery_device (devices)))
+ {
+ GList * l;
+
+ ret = g_list_append (NULL, merged_device);
+
+ for (l=devices; l!=NULL; l=l->next)
+ if (indicator_power_device_get_kind(INDICATOR_POWER_DEVICE(l->data)) != UP_DEVICE_KIND_BATTERY)
+ ret = g_list_append (ret, g_object_ref(l->data));
+ }
+ else /* not enough batteries to merge */
+ {
+ ret = g_list_copy (devices);
+ g_list_foreach (ret, (GFunc)g_object_ref, NULL);
+ }
+
+ return ret;
+}
+
IndicatorPowerDevice *
indicator_power_service_choose_primary_device (GList * devices)
{
@@ -1142,13 +1265,10 @@ indicator_power_service_choose_primary_device (GList * devices)
if (devices != NULL)
{
- GList * tmp;
-
- tmp = g_list_copy (devices);
+ GList * tmp = merge_batteries_together (devices);
tmp = g_list_sort (tmp, device_compare_func);
primary = g_object_ref (tmp->data);
-
- g_list_free (tmp);
+ g_list_free_full (tmp, (GDestroyNotify)g_object_unref);
}
return primary;