Override snackbar duration for touch exploration

Show the Snackbar for indefinite time if touch exploration is enabled and it has an action.
Also make focusable instead of clickable so it doesn't read double tap to interact

PiperOrigin-RevId: 204821491

Author: ymarian

lib/java/com/google/android/material/snackbar/BaseTransientBottomBar.java

@@ -355,7 +355,7 @@ public View getView() {
 
   /** Show the {@link BaseTransientBottomBar}. */
   public void show() {
-    SnackbarManager.getInstance().show(duration, managerCallback);
+    SnackbarManager.getInstance().show(getDuration(), managerCallback);
   }
 
   /** Dismiss the {@link BaseTransientBottomBar}. */
@@ -694,7 +694,7 @@ protected SnackbarBaseLayout(Context context, AttributeSet attrs) {
       }
       a.recycle();
 
-      setClickable(true);
+      setFocusable(true);
     }
 
     @Override

lib/java/com/google/android/material/snackbar/Snackbar.java

@@ -37,6 +37,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewParent;
+import android.view.accessibility.AccessibilityManager;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
@@ -60,6 +61,9 @@
  */
 public final class Snackbar extends BaseTransientBottomBar<Snackbar> {
 
+  private final AccessibilityManager accessibilityManager;
+  private boolean hasAction;
+
   /** @hide */
   @RestrictTo(LIBRARY_GROUP)
   @IntDef({LENGTH_INDEFINITE, LENGTH_SHORT, LENGTH_LONG})
@@ -127,6 +131,8 @@ private Snackbar(
       View content,
       com.google.android.material.snackbar.ContentViewCallback contentViewCallback) {
     super(parent, content, contentViewCallback);
+    accessibilityManager =
+        (AccessibilityManager) parent.getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
   }
 
   // TODO: Delete this once custom Robolectric shadows no longer depend on this method being present
@@ -284,11 +290,12 @@ public Snackbar setAction(@StringRes int resId, View.OnClickListener listener) {
   public Snackbar setAction(CharSequence text, final View.OnClickListener listener) {
     final SnackbarContentLayout contentLayout = (SnackbarContentLayout) this.view.getChildAt(0);
     final TextView tv = contentLayout.getActionView();
-
     if (TextUtils.isEmpty(text) || listener == null) {
       tv.setVisibility(View.GONE);
       tv.setOnClickListener(null);
+      hasAction = false;
     } else {
+      hasAction = true;
       tv.setVisibility(View.VISIBLE);
       tv.setText(text);
       tv.setOnClickListener(
@@ -304,6 +311,14 @@ public void onClick(View view) {
     return this;
   }
 
+  @Override
+  public int getDuration() {
+    // If touch exploration is enabled override duration to give people chance to interact.
+    return hasAction && accessibilityManager.isTouchExplorationEnabled()
+        ? BaseTransientBottomBar.LENGTH_INDEFINITE
+        : super.getDuration();
+  }
+
   /**
    * Sets the text color of the action specified in {@link #setAction(CharSequence,
    * View.OnClickListener)}.