Improved alarm alert handling

src/displayapp/DisplayApp.cpp

@@ -379,7 +379,7 @@ void DisplayApp::LoadApp(Apps app, DisplayApp::FullRefreshDirections direction)
       currentScreen = std::make_unique<Screens::Timer>(this, timerController);
       break;
     case Apps::Alarm:
-      currentScreen = std::make_unique<Screens::Alarm>(this, alarmController, settingsController);
+      currentScreen = std::make_unique<Screens::Alarm>(this, alarmController, settingsController, *systemTask);
       break;
 
     // Settings

src/displayapp/screens/Alarm.cpp

@@ -23,12 +23,20 @@ using namespace Pinetime::Applications::Screens;
 using Pinetime::Controllers::AlarmController;
 
 static void btnEventHandler(lv_obj_t* obj, lv_event_t event) {
-  Alarm* screen = static_cast<Alarm*>(obj->user_data);
+  auto* screen = static_cast<Alarm*>(obj->user_data);
   screen->OnButtonEvent(obj, event);
 }
 
-Alarm::Alarm(DisplayApp* app, Controllers::AlarmController& alarmController, Pinetime::Controllers::Settings& settingsController)
-  : Screen(app), alarmController {alarmController}, settingsController {settingsController} {
+static void StopAlarmTaskCallback(lv_task_t* task) {
+  auto* screen = static_cast<Alarm*>(task->user_data);
+  screen->StopAlerting();
+}
+
+Alarm::Alarm(DisplayApp* app,
+             Controllers::AlarmController& alarmController,
+             Pinetime::Controllers::Settings& settingsController,
+             System::SystemTask& systemTask)
+  : Screen(app), alarmController {alarmController}, settingsController {settingsController}, systemTask {systemTask} {
 
   time = lv_label_create(lv_scr_act(), nullptr);
   lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
@@ -122,17 +130,16 @@ Alarm::Alarm(DisplayApp* app, Controllers::AlarmController& alarmController, Pin
 }
 
 Alarm::~Alarm() {
+  if (alarmController.State() == AlarmController::AlarmState::Alerting) {
+    StopAlerting();
+  }
   lv_obj_clean(lv_scr_act());
 }
 
 void Alarm::OnButtonEvent(lv_obj_t* obj, lv_event_t event) {
   using Pinetime::Controllers::AlarmController;
   if (event == LV_EVENT_CLICKED) {
     if (obj == btnStop) {
-      if (alarmController.State() == AlarmController::AlarmState::Alerting) {
-        alarmController.StopAlerting();
-      }
-      SetSwitchState(LV_ANIM_OFF);
       StopAlerting();
       return;
     }
@@ -205,9 +212,18 @@ bool Alarm::OnButtonPushed() {
     HideInfo();
     return true;
   }
+  if (alarmController.State() == AlarmController::AlarmState::Alerting) {
+    StopAlerting();
+    return true;
+  }
   return false;
 }
 
+bool Alarm::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
+  // Don't allow closing the screen by swiping while the alarm is alerting
+  return alarmController.State() == AlarmController::AlarmState::Alerting && event == TouchEvents::SwipeDown;
+}
+
 void Alarm::UpdateAlarmTime() {
   if (settingsController.GetClockType() == Controllers::Settings::ClockType::H12) {
     switch (alarmHours) {
@@ -237,9 +253,18 @@ void Alarm::UpdateAlarmTime() {
 void Alarm::SetAlerting() {
   lv_obj_set_hidden(enableSwitch, true);
   lv_obj_set_hidden(btnStop, false);
+  taskStopAlarm = lv_task_create(StopAlarmTaskCallback, pdMS_TO_TICKS(60 * 1000), LV_TASK_PRIO_MID, this);
+  systemTask.PushMessage(System::Messages::DisableSleeping);
 }
 
 void Alarm::StopAlerting() {
+  alarmController.StopAlerting();
+  SetSwitchState(LV_ANIM_OFF);
+  if (taskStopAlarm != nullptr) {
+    lv_task_del(taskStopAlarm);
+    taskStopAlarm = nullptr;
+  }
+  systemTask.PushMessage(System::Messages::EnableSleeping);
   lv_obj_set_hidden(enableSwitch, false);
   lv_obj_set_hidden(btnStop, true);
 }

src/displayapp/screens/Alarm.h

@@ -27,28 +27,34 @@ namespace Pinetime {
     namespace Screens {
       class Alarm : public Screen {
       public:
-        Alarm(DisplayApp* app, Controllers::AlarmController& alarmController, Pinetime::Controllers::Settings& settingsController);
+        Alarm(DisplayApp* app,
+              Controllers::AlarmController& alarmController,
+              Pinetime::Controllers::Settings& settingsController,
+              System::SystemTask& systemTask);
         ~Alarm() override;
         void SetAlerting();
         void OnButtonEvent(lv_obj_t* obj, lv_event_t event);
         bool OnButtonPushed() override;
+        bool OnTouchEvent(TouchEvents event) override;
+        void StopAlerting();
 
       private:
         uint8_t alarmHours;
         uint8_t alarmMinutes;
         Controllers::AlarmController& alarmController;
         Controllers::Settings& settingsController;
+        System::SystemTask& systemTask;
 
         lv_obj_t *time, *lblampm, *btnStop, *txtStop, *btnMinutesUp, *btnMinutesDown, *btnHoursUp, *btnHoursDown, *txtMinUp,
           *txtMinDown, *txtHrUp, *txtHrDown, *btnRecur, *txtRecur, *btnInfo, *txtInfo, *enableSwitch;
         lv_obj_t* txtMessage = nullptr;
         lv_obj_t* btnMessage = nullptr;
+        lv_task_t* taskStopAlarm = nullptr;
 
         enum class EnableButtonState { On, Off, Alerting };
         void SetRecurButtonState();
         void SetSwitchState(lv_anim_enable_t anim);
         void SetAlarm();
-        void StopAlerting();
         void ShowInfo();
         void HideInfo();
         void ToggleRecurrence();