Add accessibilityLabel option to button (#5847)

* Add accessibilityLabel to tight and left buttons

* Set default accessibility label to back button

Co-authored-by: Yogev Ben David <yogevbd@wix.com>

lib/android/app/src/main/java/com/reactnativenavigation/parse/BackButton.java

@@ -3,6 +3,7 @@ package com.reactnativenavigation.parse;
 import com.reactnativenavigation.parse.params.Bool;
 import com.reactnativenavigation.parse.params.Button;
 import com.reactnativenavigation.parse.params.NullBool;
+import com.reactnativenavigation.parse.params.Text;
 import com.reactnativenavigation.parse.parsers.BoolParser;
 import com.reactnativenavigation.parse.parsers.ColorParser;
 import com.reactnativenavigation.parse.parsers.TextParser;
@@ -17,6 +18,7 @@ public class BackButton extends Button {
 
         result.hasValue = true;
         result.visible = BoolParser.parse(json, "visible");
+        result.accessibilityLabel = TextParser.parse(json, "accessibilityLabel", "Navigate Up");
         if (json.has("icon")) result.icon = TextParser.parse(json.optJSONObject("icon"), "uri");
         result.id = json.optString("id", Constants.BACK_BUTTON_ID);
         result.enabled = BoolParser.parse(json, "enabled");
@@ -30,6 +32,7 @@ public class BackButton extends Button {
 
     BackButton() {
         id = Constants.BACK_BUTTON_ID;
+        accessibilityLabel = new Text("Navigate Up");
     }
 
     public Bool visible = new NullBool();
@@ -41,6 +44,7 @@ public class BackButton extends Button {
 
     public void mergeWith(BackButton other) {
         if (!Constants.BACK_BUTTON_ID.equals(other.id)) id = other.id;
+        if (other.accessibilityLabel.hasValue()) accessibilityLabel = other.accessibilityLabel;
         if (other.icon.hasValue()) icon = other.icon;
         if (other.visible.hasValue()) visible = other.visible;
         if (other.color.hasValue()) color = other.color;
@@ -52,6 +56,7 @@ public class BackButton extends Button {
 
     void mergeWithDefault(final BackButton defaultOptions) {
         if (Constants.BACK_BUTTON_ID.equals(id)) id = defaultOptions.id;
+        if (!accessibilityLabel.hasValue()) accessibilityLabel = defaultOptions.accessibilityLabel;
         if (!icon.hasValue()) icon = defaultOptions.icon;
         if (!visible.hasValue()) visible = defaultOptions.visible;
         if (!color.hasValue()) color = defaultOptions.color;

lib/android/app/src/main/java/com/reactnativenavigation/parse/params/Button.java

@@ -1,7 +1,6 @@
 package com.reactnativenavigation.parse.params;
 
 import android.graphics.Typeface;
-import androidx.annotation.Nullable;
 import android.view.MenuItem;
 
 import com.reactnativenavigation.parse.Component;
@@ -18,10 +17,13 @@ import org.json.JSONObject;
 import java.util.ArrayList;
 import java.util.Objects;
 
+import androidx.annotation.Nullable;
+
 public class Button {
     public String instanceId = "btn" + CompatUtils.generateViewId();
 
     @Nullable public String id;
+    public Text accessibilityLabel = new NullText();
     public Text text = new NullText();
     public Bool enabled = new NullBool();
     public Bool disableIconTint = new NullBool();
@@ -37,6 +39,7 @@ public class Button {
 
     public boolean equals(Button other) {
         return Objects.equals(id, other.id) &&
+               accessibilityLabel.equals(other.accessibilityLabel) &&
                text.equals(other.text) &&
                enabled.equals(other.enabled) &&
                disableIconTint.equals(other.disableIconTint) &&
@@ -54,6 +57,7 @@ public class Button {
     private static Button parseJson(JSONObject json, TypefaceLoader typefaceManager) {
         Button button = new Button();
         button.id = json.optString("id");
+        button.accessibilityLabel = TextParser.parse(json, "accessibilityLabel");
         button.text = TextParser.parse(json, "text");
         button.enabled = BoolParser.parse(json, "enabled");
         button.disableIconTint = BoolParser.parse(json, "disableIconTint");
@@ -133,6 +137,7 @@ public class Button {
 
     public void mergeWith(Button other) {
         if (other.text.hasValue()) text = other.text;
+        if (other.accessibilityLabel.hasValue()) accessibilityLabel = other.accessibilityLabel;
         if (other.enabled.hasValue()) enabled = other.enabled;
         if (other.disableIconTint.hasValue()) disableIconTint = other.disableIconTint;
         if (other.color.hasValue()) color = other.color;
@@ -150,6 +155,7 @@ public class Button {
 
     public void mergeWithDefault(Button defaultOptions) {
         if (!text.hasValue()) text = defaultOptions.text;
+        if (!accessibilityLabel.hasValue()) accessibilityLabel = defaultOptions.accessibilityLabel;
         if (!enabled.hasValue()) enabled = defaultOptions.enabled;
         if (!disableIconTint.hasValue()) disableIconTint = defaultOptions.disableIconTint;
         if (!color.hasValue()) color = defaultOptions.color;

lib/android/app/src/main/java/com/reactnativenavigation/parse/parsers/TextParser.java

@@ -2,12 +2,17 @@ package com.reactnativenavigation.parse.parsers;
 
 import com.reactnativenavigation.parse.params.NullText;
 import com.reactnativenavigation.parse.params.Text;
+import com.reactnativenavigation.utils.ObjectUtils;
 
 import org.json.JSONObject;
 
 import javax.annotation.*;
 
 public class TextParser {
+    public static Text parse(@Nullable JSONObject json, String text, String defaultValue) {
+        return ObjectUtils.take(parse(json, text), new Text(defaultValue));
+    }
+
     public static Text parse(@Nullable JSONObject json, String text) {
         return json != null && json.has(text) ? new Text(json.optString(text)) : new NullText();
     }

lib/android/app/src/main/java/com/reactnativenavigation/utils/ObjectUtils.java

@@ -3,6 +3,7 @@ package com.reactnativenavigation.utils;
 import com.reactnativenavigation.utils.Functions.Func1;
 import com.reactnativenavigation.utils.Functions.FuncR1;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 public class ObjectUtils {
@@ -14,6 +15,10 @@ public class ObjectUtils {
         return obj == null ? defaultValue : action.run(obj);
     }
 
+    public static <T> T take(@Nullable T obj, @NonNull T defaultValue) {
+        return obj == null ? defaultValue : obj;
+    }
+
     public static boolean notNull(Object o) {
         return o != null;
     }

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/TitleBarButtonController.java

@@ -28,6 +28,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.RestrictTo;
 import androidx.appcompat.widget.ActionMenuView;
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.view.MenuItemCompat;
 
 public class TitleBarButtonController extends ViewController<TitleBarReactButtonView> implements MenuItem.OnMenuItemClickListener {
     public interface OnClickListener {
@@ -105,6 +106,7 @@ public class TitleBarButtonController extends ViewController<TitleBarReactButton
             toolbar.setNavigationOnClickListener(view -> onPressListener.onPress(button.id));
             toolbar.setNavigationIcon(icon);
             setLeftButtonTestId(toolbar);
+            if (button.accessibilityLabel.hasValue()) toolbar.setNavigationContentDescription(button.accessibilityLabel.get());
         });
     }
 
@@ -125,7 +127,9 @@ public class TitleBarButtonController extends ViewController<TitleBarReactButton
         menuItem.setOnMenuItemClickListener(this);
         if (button.hasComponent()) {
             menuItem.setActionView(getView());
+            if (button.accessibilityLabel.hasValue()) getView().setContentDescription(button.accessibilityLabel.get());
         } else {
+            if (button.accessibilityLabel.hasValue()) MenuItemCompat.setContentDescription(menuItem, button.accessibilityLabel.get());
             if (button.hasIcon()) {
                 loadIcon(new ImageLoadingListenerAdapter() {
                     @Override