Add low battery indicator to StatusIcons, digital and analog watchfaces

Define deepOrange color in InfiniTimeTheme

1 files changed, 14 insertions, 0 deletions

diff --git a/src/displayapp/screens/BatteryIcon.cpp b/src/displayapp/screens/BatteryIcon.cpp
index 2fe7c251..6194807d 100644
--- a/src/displayapp/screens/BatteryIcon.cpp
+++ b/src/displayapp/screens/BatteryIcon.cpp
@@ -2,9 +2,12 @@
 #include <cstdint>
 #include "displayapp/screens/Symbols.h"
 #include "displayapp/icons/battery/batteryicon.c"
+#include "displayapp/InfiniTimeTheme.h"
 
 using namespace Pinetime::Applications::Screens;
 
+BatteryIcon::BatteryIcon(bool colorOnLowBattery) : colorOnLowBattery {colorOnLowBattery} {};
+
 void BatteryIcon::Create(lv_obj_t* parent) {
   batteryImg = lv_img_create(parent, nullptr);
   lv_img_set_src(batteryImg, &batteryicon);
@@ -23,6 +26,17 @@ lv_obj_t* BatteryIcon::GetObject() {
 void BatteryIcon::SetBatteryPercentage(uint8_t percentage) {
   lv_obj_set_height(batteryJuice, percentage * 14 / 100);
   lv_obj_realign(batteryJuice);
+  if (colorOnLowBattery) {
+    static constexpr int lowBatteryThreshold = 15;
+    static constexpr int criticalBatteryThreshold = 5;
+    if (percentage > lowBatteryThreshold) {
+      SetColor(LV_COLOR_WHITE);
+    } else if (percentage > criticalBatteryThreshold) {
+      SetColor(LV_COLOR_ORANGE);
+    } else {
+      SetColor(Colors::deepOrange);
+    }
+  }
 }
 
 void BatteryIcon::SetColor(lv_color_t color) {