Add setMinDurationBetweenContentChangesMillis

Summary:
$title
https://developer.android.com/reference/androidx/core/view/accessibility/AccessibilityNodeInfoCompat?fbclid=IwZXh0bgNhZW0CMTEAAR0SrX3ZItBdDsKBBYMUkBzmb02D9Zgo9LrOwnwkv-inUTHrKUP4S_4-sIs_aem_cAmkp0anQ-dPbTkB3XKy4Q#setMinDurationBetweenContentChangesMillis(long)

Reviewed By: kingsleyadio

Differential Revision: D65419108

fbshipit-source-id: 0e84e1f6e4dade4f98d0c6a8a9b49204f2e3a9ac

litho-core/src/main/java/com/facebook/litho/CommonProps.kt

@@ -355,6 +355,10 @@ class CommonProps : LayoutProps, Equivalence<CommonProps?> {
   val screenReaderFocusable: Boolean
     get() = _nodeInfo?.screenReaderFocusState == NodeInfo.SCREEN_READER_FOCUS_SET_TRUE
 
+  fun setMinDurationBetweenContentChangesMillis(duration: Long) {
+    getOrCreateNodeInfo().minDurationBetweenContentChangesMillis = duration
+  }
+
   fun clickable(isClickable: Boolean) {
     getOrCreateNodeInfo().setClickable(isClickable)
   }

litho-core/src/main/java/com/facebook/litho/ComponentAccessibilityDelegate.java

@@ -142,6 +142,11 @@ public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCo
           mNodeInfo.getAccessibilityHeadingState() == NodeInfo.ACCESSIBILITY_HEADING_SET_TRUE);
     }
 
+    if (mNodeInfo != null && mNodeInfo.getMinDurationBetweenContentChangesMillis() != null) {
+      node.setMinDurationBetweenContentChangesMillis(
+          mNodeInfo.getMinDurationBetweenContentChangesMillis());
+    }
+
     if (mNodeInfo != null && mNodeInfo.getFocusOrder() != null && mountItem != null) {
       final ComponentContext scopedContext = getComponentContext(mountItem.getRenderTreeNode());
       final FocusOrderModel focusOrder = mNodeInfo.getFocusOrder();

litho-core/src/main/java/com/facebook/litho/NodeInfo.kt

@@ -123,6 +123,7 @@ class NodeInfo : Equivalence<NodeInfo> {
   private var _sendAccessibilityEventUncheckedHandler:
       EventHandler<SendAccessibilityEventUncheckedEvent>? =
       null
+  private var _minDurationBetweenContentChangesMillis: Long? = null
 
   var visibility: Visibility? = null
     internal set(value) {
@@ -404,6 +405,13 @@ class NodeInfo : Equivalence<NodeInfo> {
       _sendAccessibilityEventUncheckedHandler = sendAccessibilityEventUncheckedHandler
     }
 
+  var minDurationBetweenContentChangesMillis: Long?
+    get() = _minDurationBetweenContentChangesMillis
+    set(duration) {
+      flags = flags or PFLAG_MIN_DURATION_BETWEEN_CHANGES_IS_SET
+      _minDurationBetweenContentChangesMillis = duration
+    }
+
   fun needsAccessibilityDelegate(): Boolean =
       _onInitializeAccessibilityEventHandler != null ||
           _onInitializeAccessibilityNodeInfoHandler != null ||
@@ -671,6 +679,12 @@ class NodeInfo : Equivalence<NodeInfo> {
       return false
     }
 
+    if (!equals(
+        this.minDurationBetweenContentChangesMillis,
+        other.minDurationBetweenContentChangesMillis)) {
+      return false
+    }
+
     return equals(this.viewTags, other.viewTags)
   }
 
@@ -1012,5 +1026,9 @@ class NodeInfo : Equivalence<NodeInfo> {
     private const val PFLAG_VISIBILITY_IS_SET = 1L shl 34
 
     private const val PFLAG_FOCUS_ORDER_IS_SET = 1L shl 35
+
+    // When this flag is set, setMinDurationBetweenContentChangesMillis was explicitly set on this
+    // node.
+    private const val PFLAG_MIN_DURATION_BETWEEN_CHANGES_IS_SET = 1L shl 36
   }
 }

litho-core/src/main/java/com/facebook/litho/accessibility/AccessibilityStyles.kt

@@ -60,6 +60,7 @@ internal enum class AccessibilityField : StyleItemField {
   ON_PERFORM_ACTION_FOR_VIRTUAL_VIEW,
   ON_VIRTUAL_VIEW_KEYBOARD_FOCUS_CHANGED,
   SCREEN_READER_FOCUSABLE,
+  MIN_DURATION_BETWEEN_CONTENT_CHANGES,
 }
 
 @PublishedApi
@@ -111,6 +112,8 @@ internal data class AccessibilityStyleItem(
               eventHandler(value as (VirtualViewKeyboardFocusChangedEvent) -> Unit))
       AccessibilityField.SCREEN_READER_FOCUSABLE ->
           commonProps.screenReaderFocusable(value as Boolean)
+      AccessibilityField.MIN_DURATION_BETWEEN_CONTENT_CHANGES ->
+          commonProps.setMinDurationBetweenContentChangesMillis(value as Long)
     }
   }
 }
@@ -312,6 +315,16 @@ inline fun Style.onInitializeAccessibilityNodeInfo(
 inline fun Style.screenReaderFocusable(isFocusable: Boolean): Style =
     this + AccessibilityStyleItem(AccessibilityField.SCREEN_READER_FOCUSABLE, isFocusable)
 
+/**
+ * Sets the minimum time duration between two content change events, which is used in throttling
+ * content change events in accessibility services.
+ *
+ * See
+ * [androidx.core.view.accessibility.AccessibilityNodeInfoCompat.setMinDurationBetweenContentChangesMillis].
+ */
+inline fun Style.minDurationBetweenContentChangesMillis(duration: Long): Style =
+    this + AccessibilityStyleItem(AccessibilityField.MIN_DURATION_BETWEEN_CONTENT_CHANGES, duration)
+
 /**
  * Enum values for [importantForAccessibility].
  *