From eb0edee9f7b9427a4c25f2cb6369d6312bb12a93 Mon Sep 17 00:00:00 2001
From: Nobody <no-reply@google.com>
Date: Wed, 14 Aug 2024 15:43:00 -0700
Subject: [PATCH] Internal change.

PiperOrigin-RevId: 663080530
---
 components/Slider/src/MDCSlider.m                | 8 ++++++++
 components/private/ThumbTrack/src/MDCThumbView.m | 8 +++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/components/Slider/src/MDCSlider.m b/components/Slider/src/MDCSlider.m
index afba93e014c..b7e7f96acd3 100644
--- a/components/Slider/src/MDCSlider.m
+++ b/components/Slider/src/MDCSlider.m
@@ -34,8 +34,10 @@
 static inline UIColor *MDCThumbTrackDefaultColor(void) { return MDCPalette.bluePalette.tint500; }
 
 @interface MDCSlider () <MDCThumbTrackDelegate>
+#if !TARGET_OS_VISION
 @property(nonnull, nonatomic, strong)
     UIImpactFeedbackGenerator *feedbackGenerator API_AVAILABLE(ios(10.0));
+#endif
 @property(nonatomic) CGFloat previousValue;
 @end
 
@@ -119,8 +121,10 @@ - (void)commonMDCSliderInit {
   _mdc_overrideBaseElevation = -1;
 
   _hapticsEnabled = YES;
+#if !TARGET_OS_VISION
   self.feedbackGenerator =
       [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleLight];
+#endif
   _shouldEnableHapticsForAllDiscreteValues = NO;
 
   _previousValue = -CGFLOAT_MAX;
@@ -706,6 +710,7 @@ - (BOOL)accessibilityActivate {
 - (void)thumbTrackValueChanged:(__unused MDCThumbTrack *)thumbTrack {
   [self sendActionsForControlEvents:UIControlEventValueChanged];
   UIAccessibilityPostNotification(UIAccessibilityAnnouncementNotification, self.accessibilityValue);
+#if !TARGET_OS_VISION
   if (self.hapticsEnabled && _previousValue != _thumbTrack.value) {
     BOOL valueCrossesAboveAnchor = (_previousValue < _thumbTrack.filledTrackAnchorValue &&
                                     _thumbTrack.filledTrackAnchorValue <= _thumbTrack.value);
@@ -719,11 +724,14 @@ - (void)thumbTrackValueChanged:(__unused MDCThumbTrack *)thumbTrack {
       [self.feedbackGenerator impactOccurred];
     }
   }
+#endif
   self.previousValue = _thumbTrack.value;
 }
 
 - (void)thumbTrackTouchDown:(__unused MDCThumbTrack *)thumbTrack {
+#if !TARGET_OS_VISION
   [self.feedbackGenerator prepare];
+#endif
   [self sendActionsForControlEvents:UIControlEventTouchDown];
 }
 
diff --git a/components/private/ThumbTrack/src/MDCThumbView.m b/components/private/ThumbTrack/src/MDCThumbView.m
index 16d50da4ae9..b49849f9d36 100644
--- a/components/private/ThumbTrack/src/MDCThumbView.m
+++ b/components/private/ThumbTrack/src/MDCThumbView.m
@@ -40,7 +40,13 @@ - (instancetype)initWithFrame:(CGRect)frame {
   if (self) {
     // TODO: Remove once MDCShadowLayer is rasterized by default.
     self.layer.shouldRasterize = YES;
-    self.layer.rasterizationScale = [UIScreen mainScreen].scale;
+    if (@available(iOS 13.0, *)) {
+      self.layer.rasterizationScale = UITraitCollection.currentTraitCollection.displayScale;
+    } else {
+#if !TARGET_OS_VISION
+      self.layer.rasterizationScale = UIScreen.mainScreen.scale;
+#endif
+    }
 
     _shadowColor = UIColor.blackColor;
     _shapeGenerator = [[MDCRectangleShapeGenerator alloc] init];