Remake the sleep timer menu item, so that selecting it while the timer is running

just cancels that one (displayed text is changed accordingly and
displays te remaining time).
Selecting it again allows to set a new time.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30778 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 57 insertions, 7 deletions

diff --git a/apps/menus/main_menu.c b/apps/menus/main_menu.c
index 66d49a9..602becd 100644
--- a/apps/menus/main_menu.c
+++ b/apps/menus/main_menu.c
@@ -419,21 +419,71 @@ static void sleep_timer_set(int minutes)
 
 static int sleep_timer(void)
 {
-    int minutes = get_sleep_timer() ? 0 : global_settings.sleeptimer_duration;
-    return (int)set_int(str(LANG_SLEEP_TIMER), "", UNIT_MIN, &minutes,
-                   &sleep_timer_set, 5, 0, 300, sleep_timer_formatter);
+    int minutes = global_settings.sleeptimer_duration;
+    if (get_sleep_timer())
+        sleep_timer_set(0);
+    else
+        set_int(str(LANG_SLEEP_TIMER), "", UNIT_MIN, &minutes,
+                   &sleep_timer_set, 5, 0, 300, sleep_timer_formatter); 
+    return 0;
+}
+
+static int seconds_to_min(int secs)
+{
+    int min = secs / 60;
+    if ((secs % 60) > 50) /* round up for 50+ seconds */
+        min++;
+
+    return min;
+}
+
+static char* sleep_timer_getname(int selected_item, void * data, char *buffer)
+{
+    (void)selected_item;
+    (void)data;
+    (void)buffer;
+    int sec = get_sleep_timer();
+    char timer_buf[10];
+    /* we have no sprintf, so MAX_PATH is a guess */
+    if (sec > 0)
+    {   /* show cancel and countdown if running */
+        snprintf(buffer, MAX_PATH, "%s (%s)", str(LANG_SLEEP_TIMER_CANCEL_CURRENT),
+                sleep_timer_formatter(timer_buf, sizeof(timer_buf), seconds_to_min(sec), NULL));
+    }
+    else
+        snprintf(buffer, MAX_PATH, "%s", str(LANG_SLEEP_TIMER));
+
+    return buffer;
 }
 
+static int sleep_timer_voice(int selected_item, void*data)
+{
+    (void)selected_item;
+    (void)data;
+    int seconds = get_sleep_timer();
+    if (seconds > 0)
+    {
+        long talk_ids[] = {
+            LANG_SLEEP_TIMER_CANCEL_CURRENT,
+            VOICE_PAUSE,
+            seconds_to_min(seconds) | UNIT_MIN << UNIT_SHIFT,
+            TALK_FINAL_ID
+        };
+        talk_idarray(talk_ids, true);
+    }
+    else
+        talk_id(LANG_SLEEP_TIMER, true);
+    return 0;
+}
 
 #if CONFIG_RTC
 int time_screen(void* ignored);
 MENUITEM_FUNCTION(timedate_item, MENU_FUNC_CHECK_RETVAL, ID2P(LANG_TIME_MENU),
                     time_screen, NULL,  NULL, Icon_Menu_setting );
 #endif
-/* Sleep timer items are in the time/date screen if there is a RTC */
-MENUITEM_FUNCTION(sleep_timer_call, 0, ID2P(LANG_SLEEP_TIMER), sleep_timer,
-                    NULL, NULL, Icon_Menu_setting); /* make it look like a 
-                                                       setting to the user */
+MENUITEM_FUNCTION_DYNTEXT(sleep_timer_call, 0, sleep_timer, NULL, sleep_timer_getname,
+                          sleep_timer_voice, NULL, NULL, Icon_Menu_setting);
+                           /* make it look like a setting to the user */
 #if CONFIG_RTC == 0
 MENUITEM_SETTING(sleeptimer_on_startup,
                  &global_settings.sleeptimer_on_startup, NULL);