For #14540: Fix updating list and item info for a11y services.

app/src/main/java/org/mozilla/fenix/tabtray/FenixTabsAdapter.kt

@@ -67,7 +67,11 @@ class FenixTabsAdapter(
     override fun onBindViewHolder(holder: TabViewHolder, position: Int) {
         super.onBindViewHolder(holder, position)
         val newIndex = tabCount - position - 1
-        (holder as TabTrayViewHolder).updateAccessibilityRowIndex(holder.itemView, newIndex)
+        (holder as TabTrayViewHolder).updateAccessibilityRowInfo(
+            holder.itemView,
+            newIndex,
+            selectedItems.contains(holder.tab)
+        )
 
         holder.tab?.let { tab ->
             showCheckedIfSelected(tab, holder.itemView)

app/src/main/java/org/mozilla/fenix/tabtray/TabTrayView.kt

@@ -9,6 +9,8 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.accessibility.AccessibilityEvent
+import android.view.accessibility.AccessibilityNodeInfo
+import android.view.accessibility.AccessibilityNodeInfo.CollectionInfo
 import androidx.annotation.IdRes
 import androidx.cardview.widget.CardView
 import androidx.constraintlayout.widget.ConstraintLayout
@@ -186,7 +188,7 @@ class TabTrayView(
                 concatAdapter.addAdapter(0, syncedTabsController.adapter)
 
                 if (hasAccessibilityEnabled) {
-                    tabsAdapter.notifyDataSetChanged()
+                    tabsAdapter.notifyItemRangeChanged(0, tabs.size)
                 }
                 if (!hasLoaded) {
                     hasLoaded = true
@@ -491,6 +493,22 @@ class TabTrayView(
         } else {
             view.context?.getString(R.string.open_tab_tray_plural, count.toString())
         }
+
+        view.tabsTray.accessibilityDelegate = object : View.AccessibilityDelegate() {
+            override fun onInitializeAccessibilityNodeInfo(
+                host: View?,
+                info: AccessibilityNodeInfo?
+            ) {
+                super.onInitializeAccessibilityNodeInfo(host, info)
+                info?.let {
+                    info.collectionInfo = CollectionInfo.obtain(
+                        tabsAdapter.tabCount,
+                        1,
+                        false
+                    )
+                }
+            }
+        }
     }
 
     private fun updateTabCounter(count: Int): String {

app/src/main/java/org/mozilla/fenix/tabtray/TabTrayViewHolder.kt

@@ -187,25 +187,22 @@ class TabTrayViewHolder(
         imageLoader.loadIntoView(thumbnailView, ImageLoadRequest(id, thumbnailSize))
     }
 
-    internal fun updateAccessibilityRowIndex(item: View, newIndex: Int) {
+    internal fun updateAccessibilityRowInfo(item: View, newIndex: Int, isSelected: Boolean) {
         item.accessibilityDelegate = object : View.AccessibilityDelegate() {
             override fun onInitializeAccessibilityNodeInfo(
                 host: View?,
                 info: AccessibilityNodeInfo?
             ) {
                 super.onInitializeAccessibilityNodeInfo(host, info)
-                info?.let {
-                    info.collectionItemInfo = info.collectionItemInfo?.let { initialInfo ->
-                        AccessibilityNodeInfo.CollectionItemInfo.obtain(
-                            newIndex,
-                            initialInfo.rowSpan,
-                            initialInfo.columnIndex,
-                            initialInfo.columnSpan,
-                            false,
-                            initialInfo.isSelected
-                        )
-                    }
-                }
+                info?.collectionItemInfo =
+                    AccessibilityNodeInfo.CollectionItemInfo.obtain(
+                        newIndex,
+                        1,
+                        1,
+                        1,
+                        false,
+                        isSelected
+                    )
             }
         }
     }