Closes #1127: Improves accessibility of quick action sheet

app/src/main/java/org/mozilla/fenix/quickactionsheet/QuickActionSheet.kt

@@ -40,6 +40,18 @@ class QuickActionSheet @JvmOverloads constructor(
         val handle = findViewById<AppCompatImageButton>(R.id.quick_action_sheet_handle)
         val linearLayout = findViewById<LinearLayout>(R.id.quick_action_sheet)
         val quickActionSheetBehavior = BottomSheetBehavior.from(linearLayout.parent as View) as QuickActionSheetBehavior
+        val accessibilityManager = context
+            .getSystemService(Context.ACCESSIBILITY_SERVICE) as AccessibilityManager
+
+        if (accessibilityManager.isTouchExplorationEnabled) {
+            linearLayout.setOnClickListener {
+                quickActionSheetBehavior.state = when (quickActionSheetBehavior.state) {
+                    BottomSheetBehavior.STATE_EXPANDED -> BottomSheetBehavior.STATE_COLLAPSED
+                    else -> BottomSheetBehavior.STATE_EXPANDED
+                }
+            }
+            return
+        }
 
         handle.increaseTapArea(grabHandleIncreasedTapArea)
         handle.setOnClickListener {
@@ -113,14 +125,6 @@ class QuickActionSheetBehavior(
     }
 
     private fun repositionQuickActionSheet(quickActionSheetContainer: NestedScrollView, toolbar: BrowserToolbar) {
-        val accessibilityManager = quickActionSheetContainer.context
-            .getSystemService(Context.ACCESSIBILITY_SERVICE) as AccessibilityManager
-
-        state = when (accessibilityManager.isTouchExplorationEnabled) {
-            true -> BottomSheetBehavior.STATE_EXPANDED
-            false -> BottomSheetBehavior.STATE_COLLAPSED
-        }
-
         quickActionSheetContainer.translationY = (toolbar.translationY + toolbar.height * -1.0).toFloat()
     }
 }

app/src/main/res/layout/layout_quick_action_sheet.xml

@@ -9,6 +9,7 @@
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:contentDescription="@string/quick_action_sheet"
     android:background="?attr/toolbarColor">
 
     <androidx.appcompat.widget.AppCompatImageButton
@@ -17,6 +18,7 @@
         android:layout_width="24dp"
         android:layout_height="2dp"
         android:layout_gravity="center_horizontal"
+        android:contentDescription="@string/quick_action_sheet_handle"
         android:background="?attr/quickActionPullTabColor"
         android:src="@drawable/ic_drawer_pull_tab"/>
 

app/src/main/res/values/strings.xml

@@ -159,6 +159,10 @@
     <string name="quick_action_favorite">Favorite</string>
     <!-- Option in Quick Action Sheet in the browser to put the the current page in reader mode -->
     <string name="quick_action_read">Read</string>
+    <!-- Content description (not visible, for screen readers etc.): Quick action sheet-->
+    <string name="quick_action_sheet">Quick action sheet</string>
+    <!-- Content description (not visible, for screen readers etc.): Quick action sheet handle -->
+    <string name="quick_action_sheet_handle">Quick action sheet handle</string>
 
     <!-- Library -->
     <!-- Option in Library to open Sessions page -->