Switch to simpler temperature interface

Author: FintasticMan

src/CMakeLists.txt

@@ -398,7 +398,6 @@ list(APPEND SOURCE_FILES
         displayapp/screens/Styles.cpp
         displayapp/screens/WeatherSymbols.cpp
         displayapp/Colors.cpp
-        displayapp/Weather.cpp
         displayapp/widgets/Counter.cpp
         displayapp/widgets/PageIndicator.cpp
         displayapp/widgets/DotIndicator.cpp
@@ -607,7 +606,6 @@ set(INCLUDE_FILES
         displayapp/screens/ApplicationList.h
         displayapp/screens/CheckboxList.h
         displayapp/Apps.h
-        displayapp/Weather.h
         displayapp/screens/Notifications.h
         displayapp/screens/HeartRate.h
         displayapp/screens/Metronome.h

src/components/ble/SimpleWeatherService.cpp

@@ -42,9 +42,9 @@ namespace {
     std::memcpy(cityName.data(), &dataBuffer[16], 32);
     cityName[32] = '\0';
     return SimpleWeatherService::CurrentWeather(ToUInt64(&dataBuffer[2]),
-                                                SimpleWeatherService::Temperature {ToInt16(&dataBuffer[10])},
-                                                SimpleWeatherService::Temperature {ToInt16(&dataBuffer[12])},
-                                                SimpleWeatherService::Temperature {ToInt16(&dataBuffer[14])},
+                                                SimpleWeatherService::Temperature(ToInt16(&dataBuffer[10])),
+                                                SimpleWeatherService::Temperature(ToInt16(&dataBuffer[12])),
+                                                SimpleWeatherService::Temperature(ToInt16(&dataBuffer[14])),
                                                 SimpleWeatherService::Icons {dataBuffer[16 + 32]},
                                                 std::move(cityName));
   }
@@ -56,8 +56,8 @@ namespace {
     const uint8_t nbDaysInBuffer = dataBuffer[10];
     const uint8_t nbDays = std::min(SimpleWeatherService::MaxNbForecastDays, nbDaysInBuffer);
     for (int i = 0; i < nbDays; i++) {
-      days[i] = SimpleWeatherService::Forecast::Day {SimpleWeatherService::Temperature {ToInt16(&dataBuffer[11 + (i * 5)])},
-                                                     SimpleWeatherService::Temperature {ToInt16(&dataBuffer[13 + (i * 5)])},
+      days[i] = SimpleWeatherService::Forecast::Day {SimpleWeatherService::Temperature(ToInt16(&dataBuffer[11 + (i * 5)])),
+                                                     SimpleWeatherService::Temperature(ToInt16(&dataBuffer[13 + (i * 5)])),
                                                      SimpleWeatherService::Icons {dataBuffer[15 + (i * 5)]}};
     }
     return SimpleWeatherService::Forecast {timestamp, nbDays, days};
@@ -98,9 +98,9 @@ int SimpleWeatherService::OnCommand(struct ble_gatt_access_ctxt* ctxt) {
         currentWeather = CreateCurrentWeather(dataBuffer);
         NRF_LOG_INFO("Current weather :\n\tTimestamp : %d\n\tTemperature:%d\n\tMin:%d\n\tMax:%d\n\tIcon:%d\n\tLocation:%s",
                      currentWeather->timestamp,
-                     currentWeather->temperature,
-                     currentWeather->minTemperature,
-                     currentWeather->maxTemperature,
+                     currentWeather->temperature.PreciseCelsius(),
+                     currentWeather->minTemperature.PreciseCelsius(),
+                     currentWeather->maxTemperature.PreciseCelsius(),
                      currentWeather->iconId,
                      currentWeather->location.data());
       }
@@ -112,8 +112,8 @@ int SimpleWeatherService::OnCommand(struct ble_gatt_access_ctxt* ctxt) {
         for (int i = 0; i < 5; i++) {
           NRF_LOG_INFO("\t[%d] Min: %d - Max : %d - Icon : %d",
                        i,
-                       forecast->days[i].minTemperature,
-                       forecast->days[i].maxTemperature,
+                       forecast->days[i].minTemperature.PreciseCelsius(),
+                       forecast->days[i].maxTemperature.PreciseCelsius(),
                        forecast->days[i].iconId);
         }
       }
@@ -160,8 +160,8 @@ bool SimpleWeatherService::CurrentWeather::operator==(const SimpleWeatherService
 }
 
 bool SimpleWeatherService::Forecast::Day::operator==(const SimpleWeatherService::Forecast::Day& other) const {
-  return this->iconId == other.iconId && this->maxTemperature.temp == other.maxTemperature.temp &&
-         this->minTemperature.temp == other.maxTemperature.temp;
+  return this->iconId == other.iconId && this->maxTemperature.raw == other.maxTemperature.raw &&
+         this->minTemperature.raw == other.maxTemperature.raw;
 }
 
 bool SimpleWeatherService::Forecast::operator==(const SimpleWeatherService::Forecast& other) const {

src/components/ble/SimpleWeatherService.h

@@ -61,8 +61,34 @@ namespace Pinetime {
         Unknown = 255
       };
 
-      struct Temperature {
-        int16_t temp;
+      class Temperature {
+      public:
+        explicit Temperature(int16_t raw) {
+          this->raw = raw;
+        }
+
+        [[nodiscard]] int16_t PreciseCelsius() const {
+          return raw;
+        }
+
+        [[nodiscard]] int16_t PreciseFahrenheit() const {
+          return raw * 9 / 5 + 3200;
+        }
+
+        [[nodiscard]] int16_t Celsius() const {
+          return (PreciseCelsius() + 50) / 100;
+        }
+
+        [[nodiscard]] int16_t Fahrenheit() const {
+          return (PreciseFahrenheit() + 50) / 100;
+        }
+
+        bool operator==(const Temperature& other) const {
+          return raw == other.raw;
+        }
+
+      private:
+        int16_t raw;
       };
 
       using Location = std::array<char, 33>; // 32 char + \0 (end of string)

src/displayapp/Weather.cpp

@@ -3,7 +3,6 @@
 #include <lvgl/lvgl.h>
 #include <cstdio>
 
-#include "displayapp/Weather.h"
 #include "displayapp/screens/NotificationIcon.h"
 #include "displayapp/screens/Symbols.h"
 #include "displayapp/screens/WeatherSymbols.h"
@@ -176,12 +175,13 @@ void WatchFaceDigital::Refresh() {
   if (currentWeather.IsUpdated()) {
     auto optCurrentWeather = currentWeather.Get();
     if (optCurrentWeather) {
+      int16_t temp = optCurrentWeather->temperature.Celsius();
       char tempUnit = 'C';
       if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
+        temp = optCurrentWeather->temperature.Fahrenheit();
         tempUnit = 'F';
       }
-      Applications::Temperature temp = Applications::Convert(optCurrentWeather->temperature, settingsController.GetWeatherFormat());
-      lv_label_set_text_fmt(temperature, "%d°%c", temp.temp, tempUnit);
+      lv_label_set_text_fmt(temperature, "%d°%c", temp, tempUnit);
       lv_label_set_text(weatherIcon, Symbols::GetSymbol(optCurrentWeather->iconId));
     } else {
       lv_label_set_text_static(temperature, "");

src/displayapp/Weather.h

@@ -23,7 +23,6 @@
 #include <lvgl/lvgl.h>
 #include <cstdio>
 #include "displayapp/Colors.h"
-#include "displayapp/Weather.h"
 #include "displayapp/screens/BatteryIcon.h"
 #include "displayapp/screens/BleIcon.h"
 #include "displayapp/screens/NotificationIcon.h"
@@ -544,7 +543,10 @@ void WatchFacePineTimeStyle::Refresh() {
   if (currentWeather.IsUpdated()) {
     auto optCurrentWeather = currentWeather.Get();
     if (optCurrentWeather) {
-      Applications::Temperature temp = Applications::Convert(optCurrentWeather->temperature, settingsController.GetWeatherFormat());
+      int16_t temp = optCurrentWeather->temperature.Celsius();
+      if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
+        temp = optCurrentWeather->temperature.Fahrenheit();
+      }
       lv_label_set_text_fmt(temperature, "%d°", temp);
       lv_label_set_text(weatherIcon, Symbols::GetSymbol(optCurrentWeather->iconId));
     } else {

src/displayapp/screens/WatchFaceDigital.cpp

@@ -5,31 +5,30 @@
 #include "components/ble/SimpleWeatherService.h"
 #include "components/datetime/DateTimeController.h"
 #include "components/settings/Settings.h"
-#include "displayapp/Weather.h"
 #include "displayapp/DisplayApp.h"
 #include "displayapp/screens/WeatherSymbols.h"
 #include "displayapp/InfiniTimeTheme.h"
 
 using namespace Pinetime::Applications::Screens;
 
 namespace {
-  lv_color_t TemperatureColor(Pinetime::Applications::Temperature temp) {
-    if (temp.temp <= 0) { // freezing
+  lv_color_t TemperatureColor(Pinetime::Controllers::SimpleWeatherService::Temperature temp) {
+    if (temp.Celsius() <= 0) { // freezing
       return Colors::blue;
-    } else if (temp.temp <= 4) { // ice
+    } else if (temp.Celsius() <= 4) { // ice
       return LV_COLOR_CYAN;
-    } else if (temp.temp >= 27) { // hot
+    } else if (temp.Celsius() >= 27) { // hot
       return Colors::deepOrange;
     }
     return Colors::orange; // normal
   }
 
-  uint8_t TemperatureStyle(Pinetime::Applications::Temperature temp) {
-    if (temp.temp <= 0) { // freezing
+  uint8_t TemperatureStyle(Pinetime::Controllers::SimpleWeatherService::Temperature temp) {
+    if (temp.Celsius() <= 0) { // freezing
       return LV_TABLE_PART_CELL3;
-    } else if (temp.temp <= 4) { // ice
+    } else if (temp.Celsius() <= 4) { // ice
       return LV_TABLE_PART_CELL4;
-    } else if (temp.temp >= 27) { // hot
+    } else if (temp.Celsius() >= 27) { // hot
       return LV_TABLE_PART_CELL6;
     }
     return LV_TABLE_PART_CELL5; // normal
@@ -119,19 +118,25 @@ void Weather::Refresh() {
   if (currentWeather.IsUpdated()) {
     auto optCurrentWeather = currentWeather.Get();
     if (optCurrentWeather) {
-      Applications::Temperature temp = Applications::Convert(optCurrentWeather->temperature, settingsController.GetWeatherFormat());
-      Applications::Temperature minTemp = Applications::Convert(optCurrentWeather->minTemperature, settingsController.GetWeatherFormat());
-      Applications::Temperature maxTemp = Applications::Convert(optCurrentWeather->maxTemperature, settingsController.GetWeatherFormat());
-      lv_obj_set_style_local_text_color(temperature, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, TemperatureColor(temp));
+      int16_t temp = optCurrentWeather->temperature.Celsius();
+      int16_t minTemp = optCurrentWeather->minTemperature.Celsius();
+      int16_t maxTemp = optCurrentWeather->maxTemperature.Celsius();
       char tempUnit = 'C';
       if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
+        temp = optCurrentWeather->temperature.Fahrenheit();
+        minTemp = optCurrentWeather->minTemperature.Fahrenheit();
+        maxTemp = optCurrentWeather->maxTemperature.Fahrenheit();
         tempUnit = 'F';
       }
+      lv_obj_set_style_local_text_color(temperature,
+                                        LV_LABEL_PART_MAIN,
+                                        LV_STATE_DEFAULT,
+                                        TemperatureColor(optCurrentWeather->temperature.Celsius()));
       lv_label_set_text(icon, Symbols::GetSymbol(optCurrentWeather->iconId));
       lv_label_set_text(condition, Symbols::GetCondition(optCurrentWeather->iconId));
-      lv_label_set_text_fmt(temperature, "%d°%c", temp.temp, tempUnit);
-      lv_label_set_text_fmt(minTemperature, "%d°", minTemp.temp);
-      lv_label_set_text_fmt(maxTemperature, "%d°", maxTemp.temp);
+      lv_label_set_text_fmt(temperature, "%d°%c", temp, tempUnit);
+      lv_label_set_text_fmt(minTemperature, "%d°", minTemp);
+      lv_label_set_text_fmt(maxTemperature, "%d°", maxTemp);
     } else {
       lv_label_set_text(icon, "");
       lv_label_set_text(condition, "");
@@ -149,12 +154,14 @@ void Weather::Refresh() {
       std::tm localTime = *std::localtime(reinterpret_cast<const time_t*>(&optCurrentForecast->timestamp));
 
       for (int i = 0; i < Controllers::SimpleWeatherService::MaxNbForecastDays; i++) {
-        Applications::Temperature maxTemp =
-          Applications::Convert(optCurrentForecast->days[i].maxTemperature, settingsController.GetWeatherFormat());
-        Applications::Temperature minTemp =
-          Applications::Convert(optCurrentForecast->days[i].minTemperature, settingsController.GetWeatherFormat());
-        lv_table_set_cell_type(forecast, 2, i, TemperatureStyle(maxTemp));
-        lv_table_set_cell_type(forecast, 3, i, TemperatureStyle(minTemp));
+        int16_t minTemp = optCurrentForecast->days[i].maxTemperature.Celsius();
+        int16_t maxTemp = optCurrentForecast->days[i].minTemperature.Celsius();
+        if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
+          minTemp = optCurrentForecast->days[i].maxTemperature.Fahrenheit();
+          maxTemp = optCurrentForecast->days[i].minTemperature.Fahrenheit();
+        }
+        lv_table_set_cell_type(forecast, 2, i, TemperatureStyle(optCurrentForecast->days[i].maxTemperature));
+        lv_table_set_cell_type(forecast, 3, i, TemperatureStyle(optCurrentForecast->days[i].minTemperature));
         uint8_t wday = localTime.tm_wday + i + 1;
         if (wday > 7) {
           wday -= 7;
@@ -165,16 +172,16 @@ void Weather::Refresh() {
         // Pad cells based on the largest number of digits on each column
         char maxPadding[3] = "  ";
         char minPadding[3] = "  ";
-        int diff = snprintf(nullptr, 0, "%d", maxTemp.temp) - snprintf(nullptr, 0, "%d", minTemp.temp);
+        int diff = snprintf(nullptr, 0, "%d", maxTemp) - snprintf(nullptr, 0, "%d", minTemp);
         if (diff <= 0) {
           maxPadding[-diff] = '\0';
           minPadding[0] = '\0';
         } else {
           maxPadding[0] = '\0';
           minPadding[diff] = '\0';
         }
-        lv_table_set_cell_value_fmt(forecast, 2, i, "%s%d", maxPadding, maxTemp.temp);
-        lv_table_set_cell_value_fmt(forecast, 3, i, "%s%d", minPadding, minTemp.temp);
+        lv_table_set_cell_value_fmt(forecast, 2, i, "%s%d", maxPadding, maxTemp);
+        lv_table_set_cell_value_fmt(forecast, 3, i, "%s%d", minPadding, minTemp);
       }
     } else {
       for (int i = 0; i < Controllers::SimpleWeatherService::MaxNbForecastDays; i++) {