TouchHandler: Do not store touch panel reference

src/displayapp/LittleVgl.h

@@ -59,7 +59,7 @@ namespace Pinetime {
       uint16_t writeOffset = 0;
       uint16_t scrollOffset = 0;
 
-      lv_point_t touchPoint = {0};
+      lv_point_t touchPoint = {};
       bool tapped = false;
       bool isCancelled = false;
     };

src/main.cpp

@@ -111,7 +111,7 @@ Pinetime::Controllers::NotificationManager notificationManager;
 Pinetime::Controllers::MotionController motionController;
 Pinetime::Controllers::TimerController timerController;
 Pinetime::Controllers::AlarmController alarmController {dateTimeController};
-Pinetime::Controllers::TouchHandler touchHandler(touchPanel);
+Pinetime::Controllers::TouchHandler touchHandler;
 Pinetime::Controllers::ButtonHandler buttonHandler;
 Pinetime::Controllers::BrightnessController brightnessController {};
 

src/systemtask/SystemTask.cpp

@@ -250,7 +250,7 @@ void SystemTask::Work() {
           isDimmed = false;
           break;
         case Messages::TouchWakeUp: {
-          if (touchHandler.GetNewTouchInfo()) {
+          if (touchHandler.ProcessTouchInfo(touchPanel.GetTouchInfo())) {
             auto gesture = touchHandler.GestureGet();
             if (settingsController.GetNotificationStatus() != Controllers::Settings::Notification::Sleep &&
                 gesture != Pinetime::Applications::TouchEvents::None &&
@@ -342,7 +342,7 @@ void SystemTask::Work() {
           // TODO add intent of fs access icon or something
           break;
         case Messages::OnTouchEvent:
-          if (touchHandler.GetNewTouchInfo()) {
+          if (touchHandler.ProcessTouchInfo(touchPanel.GetTouchInfo())) {
             ReloadIdleTimer();
             displayApp.PushMessage(Pinetime::Applications::Display::Messages::TouchEvent);
           }

src/touchhandler/TouchHandler.cpp

@@ -27,18 +27,13 @@ namespace {
   }
 }
 
-TouchHandler::TouchHandler(Drivers::Cst816S& touchPanel) : touchPanel {touchPanel} {
-}
-
 Pinetime::Applications::TouchEvents TouchHandler::GestureGet() {
   auto returnGesture = gesture;
   gesture = Pinetime::Applications::TouchEvents::None;
   return returnGesture;
 }
 
-bool TouchHandler::GetNewTouchInfo() {
+bool TouchHandler::ProcessTouchInfo(Drivers::Cst816S::TouchInfos info) {
-  info = touchPanel.GetTouchInfo();
-
   if (!info.isValid) {
     return false;
   }
@@ -65,5 +60,7 @@ bool TouchHandler::GetNewTouchInfo() {
     gestureReleased = true;
   }
 
+  currentTouchPoint = {info.x, info.y, info.touching};
+
   return true;
 }

src/touchhandler/TouchHandler.h

@@ -3,36 +3,34 @@
 #include "displayapp/TouchEvents.h"
 
 namespace Pinetime {
-  namespace Drivers {
-    class Cst816S;
-  }
-
   namespace Controllers {
     class TouchHandler {
     public:
-      explicit TouchHandler(Drivers::Cst816S&);
+      struct TouchPoint {
+        int x;
+        int y;
+        bool touching;
+      };
 
-      bool GetNewTouchInfo();
+      bool ProcessTouchInfo(Drivers::Cst816S::TouchInfos info);
 
       bool IsTouching() const {
-        return info.touching;
+        return currentTouchPoint.touching;
       }
 
       uint8_t GetX() const {
-        return info.x;
+        return currentTouchPoint.x;
       }
 
       uint8_t GetY() const {
-        return info.y;
+        return currentTouchPoint.y;
       }
 
       Pinetime::Applications::TouchEvents GestureGet();
 
     private:
-      Pinetime::Drivers::Cst816S::TouchInfos info;
-      Pinetime::Drivers::Cst816S& touchPanel;
       Pinetime::Applications::TouchEvents gesture;
-      bool isCancelled = false;
+      TouchPoint currentTouchPoint = {};
       bool gestureReleased = true;
     };
   }