Fix accessibility labels for private space animations

The change adds appropriate content descriptions to animations used
within the private space setup flow based on the state of the animation.

Bug: 403398693
Test: manual
Change-Id: I6ac7a5d206083b651b48f9bcf28e3639bdce60b4

src/com/android/settings/privatespace/PrivateSpaceAccessibilityUtils.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.privatespace;
+
+import static com.android.settingslib.widget.preference.illustration.R.string.settingslib_action_label_pause;
+import static com.android.settingslib.widget.preference.illustration.R.string.settingslib_action_label_resume;
+import static com.android.settingslib.widget.preference.illustration.R.string.settingslib_illustration_content_description;
+
+import android.content.Context;
+import android.view.View;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import androidx.core.view.AccessibilityDelegateCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+
+import com.airbnb.lottie.LottieAnimationView;
+
+public class PrivateSpaceAccessibilityUtils {
+
+    static void updateAccessibilityActionForAnimation(Context context,
+            LottieAnimationView animationView, boolean isAnimationPlaying) {
+        animationView.setContentDescription(
+                context.getString(settingslib_illustration_content_description));
+        ViewCompat.setAccessibilityDelegate(animationView, new AccessibilityDelegateCompat() {
+            @Override
+            public void onInitializeAccessibilityNodeInfo(
+                    View host, AccessibilityNodeInfoCompat info) {
+                super.onInitializeAccessibilityNodeInfo(host, info);
+                // Clearing the class name to ensure the animation is not called out as "button"
+                // inside the TalkBack flows
+                info.setClassName("");
+                info.removeAction(
+                        AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_CLICK);
+
+                final AccessibilityNodeInfoCompat.AccessibilityActionCompat clickAction =
+                        new AccessibilityNodeInfoCompat.AccessibilityActionCompat(
+                                AccessibilityNodeInfo.ACTION_CLICK,
+                                getActionLabelForAnimation(context, isAnimationPlaying));
+                info.addAction(clickAction);
+            }
+        });
+    }
+
+    private static String getActionLabelForAnimation(Context context, boolean isAnimationPlaying) {
+        if (isAnimationPlaying) {
+            return context.getString(settingslib_action_label_pause);
+        } else {
+            return context.getString(settingslib_action_label_resume);
+        }
+    }
+}

src/com/android/settings/privatespace/PrivateSpaceEducation.java

@@ -76,6 +76,8 @@ public class PrivateSpaceEducation extends InstrumentedFragment {
         LottieAnimationView lottieAnimationView = rootView.findViewById(R.id.lottie_animation);
         LottieColorUtils.applyDynamicColors(getContext(), lottieAnimationView);
         lottieAnimationView.setOnClickListener(v -> handleAnimationClick(lottieAnimationView));
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
 
         TextView infoTextView = rootView.findViewById(R.id.learn_more);
         Pattern pattern = Pattern.compile(infoTextView.getText().toString());
@@ -121,5 +123,7 @@ public class PrivateSpaceEducation extends InstrumentedFragment {
             lottieAnimationView.playAnimation();
         }
         mIsAnimationPlaying = !mIsAnimationPlaying;
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
     }
 }

src/com/android/settings/privatespace/PrivateSpaceSetLockFragment.java

@@ -94,6 +94,8 @@ public class PrivateSpaceSetLockFragment extends InstrumentedFragment {
         LottieAnimationView lottieAnimationView = rootView.findViewById(R.id.lottie_animation);
         LottieColorUtils.applyDynamicColors(getContext(), lottieAnimationView);
         lottieAnimationView.setOnClickListener(v -> handleAnimationClick(lottieAnimationView));
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
 
         return rootView;
     }
@@ -141,5 +143,7 @@ public class PrivateSpaceSetLockFragment extends InstrumentedFragment {
             lottieAnimationView.playAnimation();
         }
         mIsAnimationPlaying = !mIsAnimationPlaying;
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
     }
 }

src/com/android/settings/privatespace/SetupSuccessFragment.java

@@ -83,6 +83,8 @@ public class SetupSuccessFragment extends InstrumentedFragment {
         LottieAnimationView lottieAnimationView = rootView.findViewById(R.id.lottie_animation);
         LottieColorUtils.applyDynamicColors(getContext(), lottieAnimationView);
         lottieAnimationView.setOnClickListener(v -> handleAnimationClick(lottieAnimationView));
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
 
         return rootView;
     }
@@ -152,5 +154,7 @@ public class SetupSuccessFragment extends InstrumentedFragment {
             lottieAnimationView.playAnimation();
         }
         mIsAnimationPlaying = !mIsAnimationPlaying;
+        PrivateSpaceAccessibilityUtils.updateAccessibilityActionForAnimation(getContext(),
+                lottieAnimationView, mIsAnimationPlaying);
     }
 }