From bf8c196810a62856e447e927fa9c6e2f6e9cf333 Mon Sep 17 00:00:00 2001
From: David <dbphillipsnz@gmail.com>
Date: Sun, 28 Sep 2014 17:11:58 +1300
Subject: Battery time is now displayed

---
 bat_tray.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 lc/fr.po   | 25 ++++++++++++++++++++-----
 paramano.h |  2 ++
 3 files changed, 74 insertions(+), 8 deletions(-)

diff --git a/bat_tray.c b/bat_tray.c
index 06737e1..2de7ed2 100644
--- a/bat_tray.c
+++ b/bat_tray.c
@@ -31,6 +31,45 @@ int get_bat_percent()
 	return get_int_value_from_file(CHARGE_VALUE_PATH);
 }
 
+/***********************************************************************
+ * Return number of seconds until battery is fully charged/discharged
+ **********************************************************************/
+int get_bat_seconds_left()
+{
+	int charge_now, charge_full, current_now;
+	char* file;
+
+	// Read current current value
+	asprintf(&file, POWERDIR"BAT%d/current_now",bat_num);
+	current_now = get_int_value_from_file(file);
+	free(file);
+
+	// Return -1 if zero current (infinite charge time)
+	if (current_now == 0)
+		return -1;
+
+	asprintf(&file, POWERDIR"BAT%d/charge_now",bat_num);
+	charge_now = get_int_value_from_file(file);
+	free(file);
+
+	switch(get_battery_state())
+	{
+		case STATE_CHARGING:
+			// We need to know full charge to calculate this one
+			asprintf(&file, POWERDIR"BAT%d/charge_full",bat_num);
+			charge_full = get_int_value_from_file(file);
+			free(file);
+
+			return (3600*(charge_full - charge_now))/current_now;
+			break;
+		case STATE_DISCHARGING:
+			return (3600*charge_now)/current_now;
+			break;
+		default:
+			return -1;
+	}
+}
+
 
 /***********************************************************************
  * Updates the battery tray tooltip text
@@ -38,17 +77,27 @@ int get_bat_percent()
 static gboolean update_tooltip(GtkStatusIcon* status_icon,gint x,gint y,gboolean keyboard_mode,GtkTooltip* tooltip,gpointer data)
 {
 	char* msg;
+	int seconds_left = get_bat_seconds_left();
+
+	char* time_left;
+
+	if (seconds_left != -1)
+	{
+		asprintf(&time_left, _("%02d:%02d:%02d left"), (int)(seconds_left/3600), (int)((seconds_left%3600)/60), seconds_left%60);
+	} else {
+		asprintf(&time_left, _("Unknown time left"));
+	}
 
 	switch(get_battery_state())
 	{
 		case STATE_DISCHARGING:
 			debug("Discharging\n");
-			asprintf(&msg, _("Discharging (%d%%)"), get_bat_percent());
+			asprintf(&msg, _("Discharging (%d%%)\n%s"), get_bat_percent(), time_left);
 			break;
 
 		case STATE_CHARGING:
 			debug("Charging\n");
-			asprintf(&msg, _("Charging (%d%%)"), get_bat_percent());
+			asprintf(&msg, _("Charging (%d%%)\n%s"), get_bat_percent(), time_left);
 			break;
 
 		case STATE_CHARGED:
@@ -61,10 +110,10 @@ static gboolean update_tooltip(GtkStatusIcon* status_icon,gint x,gint y,gboolean
 			asprintf(&msg, _("Unknown status") );
 			break;
 	}
-
 	debug("Setting tooltip text to '%s'\n",msg);
 	gtk_tooltip_set_text(tooltip, msg);
 
+	free(time_left);
 	free(msg);
 
 	return true;
diff --git a/lc/fr.po b/lc/fr.po
index dcb9504..6d14f04 100644
--- a/lc/fr.po
+++ b/lc/fr.po
@@ -16,15 +16,30 @@ msgstr ""
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: ../bat_tray.c:54
+#: ../bat_tray.c:86
 #, c-format
-msgid "Discharging (%d%%)"
-msgstr "En décharge (%d%%)"
+msgid "%02d:%02d:%02d left"
+msgstr "%02d:%02d:%02d restante"
 
-#: ../bat_tray.c:59
+#: ../bat_tray.c:88
+msgid "Unknown time left"
+msgstr "Temps restant inconnu"
+
+#: ../bat_tray.c:95
 #, c-format
-msgid "Charging (%d%%)"
+msgid ""
+"Discharging (%d%%)\n"
+"%s"
+msgstr "En décharge (%d%%)\n"
+"%s"
+
+#: ../bat_tray.c:100
+#, c-format
+msgid ""
+"Charging (%d%%)\n"
+"%s"
 msgstr "En charge (%d%%)"
+"%s"
 
 #: ../bat_tray.c:64
 msgid "Fully charged"
diff --git a/paramano.h b/paramano.h
index 5bdaebe..f7c27f4 100644
--- a/paramano.h
+++ b/paramano.h
@@ -19,6 +19,8 @@
 #ifndef PARAMANO_H
 #define PARAMANO_H
 
+#define POWERDIR "/sys/class/power_supply/"
+
 #include <gtk/gtk.h>
 #include <unistd.h>		// getuid, getgid
 #include <stdio.h>		// printf, FILE, fopen, etc
-- 
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