Accessibility scrolling enhancements (#283)

* add scrolling callbacks to accessibility methods * fixup! add scrolling callbacks to accessibility methods --------- Co-authored-by: Andrew Williams <[email protected]>
airbnb · Nov 22, 2023 · 76b8bd8 · 76b8bd8
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed an issue that could cause the calendar to layout unnecessarily due to a trait collection change notification
 - Fixed an issue that could cause off-screen items to appear or disappear instantly, rather than animating in or out during animated content changes
 - Fixed an issue that caused a SwiftUI view being used as a calendar item to not receive calls to `onAppear`
+- Fixed an accessibility issue that prevented scrolling callbacks from firing when scrolling via voiceover.
 
 ### Changed
 - Removed all deprecated code, simplifying the public API in preparation for a 2.0 release

diff --git a/Sources/Public/CalendarView.swift b/Sources/Public/CalendarView.swift
@@ -1259,6 +1259,13 @@ extension CalendarView {
     let accessibilityScrollText = targetMonthView.accessibilityLabel
     UIAccessibility.post(notification: .pageScrolled, argument: accessibilityScrollText)
 
+    // ensure that scrolling related callbacks are still fired when performing scrolling via accessibility
+    if let visibleDayRange {
+      didScroll?(visibleDayRange, false)
+      didEndDragging?(visibleDayRange, true)
+      didEndDecelerating?(visibleDayRange)
+    }
+
     return true
   }