1 files changed, 21 insertions, 1 deletions
diff --git a/recovery_ui/ui.cpp b/recovery_ui/ui.cpp
index 8bc02444..9b0fd94c 100644
--- a/recovery_ui/ui.cpp
+++ b/recovery_ui/ui.cpp
@@ -197,8 +197,23 @@ bool RecoveryUI::Init(const std::string& /* locale */) {
   return true;
 }
 
+enum SwipeDirection { UP, DOWN, RIGHT, LEFT };
+
+static SwipeDirection FlipSwipeDirection(SwipeDirection direction) {
+  switch (direction) {
+    case UP:
+      return SwipeDirection::DOWN;
+    case DOWN:
+      return SwipeDirection::UP;
+    case RIGHT:
+      return SwipeDirection::LEFT;
+    case LEFT:
+      return SwipeDirection::RIGHT;
+  }
+}
+
 void RecoveryUI::OnTouchDetected(int dx, int dy) {
-  enum SwipeDirection { UP, DOWN, RIGHT, LEFT } direction;
+  SwipeDirection direction;
 
   // We only consider a valid swipe if:
   // - the delta along one axis is below touch_low_threshold_;
@@ -219,6 +234,11 @@ void RecoveryUI::OnTouchDetected(int dx, int dy) {
     return;
   }
 
+  // Flip swipe direction if screen is rotated upside down
+  if (gr_get_rotation() == GRRotation::DOWN) {
+    direction = FlipSwipeDirection(direction);
+  }
+
   LOG(DEBUG) << "Swipe direction=" << direction;
   switch (direction) {
     case SwipeDirection::UP: