[Audiosharing] Not announce enable/disable when toggle main switch

Fix: 356318679
Test: atest
Flag: com.android.settingslib.flags.enable_le_audio_sharing
Change-Id: I3331f9ded48352f442712287a6b536da883fe73d

src/com/android/settings/connecteddevice/audiosharing/AudioSharingSwitchBarController.java

@@ -30,6 +30,9 @@ import android.content.IntentFilter;
 import android.util.FeatureFlagUtils;
 import android.util.Log;
 import android.util.Pair;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.accessibility.AccessibilityEvent;
 import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 
@@ -284,6 +287,7 @@ public class AudioSharingSwitchBarController extends BasePreferenceController
                         : mProfileManager.getLeAudioBroadcastAssistantProfile();
         mExecutor = Executors.newSingleThreadExecutor();
         mMetricsFeatureProvider = FeatureFactory.getFeatureFactory().getMetricsFeatureProvider();
+        mSwitchBar.getRootView().setAccessibilityDelegate(new MainSwitchAccessibilityDelegate());
     }
 
     @Override
@@ -564,4 +568,19 @@ public class AudioSharingSwitchBarController extends BasePreferenceController
                     }
                 });
     }
+
+    private static final class MainSwitchAccessibilityDelegate extends View.AccessibilityDelegate {
+        @Override
+        public boolean onRequestSendAccessibilityEvent(
+                @NonNull ViewGroup host, @NonNull View view, @NonNull AccessibilityEvent event) {
+            if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED
+                    && (event.getContentChangeTypes()
+                                    & AccessibilityEvent.CONTENT_CHANGE_TYPE_ENABLED)
+                            != 0) {
+                Log.d(TAG, "Skip accessibility event for CONTENT_CHANGE_TYPE_ENABLED");
+                return false;
+            }
+            return super.onRequestSendAccessibilityEvent(host, view, event);
+        }
+    }
 }

tests/robotests/src/com/android/settings/connecteddevice/audiosharing/AudioSharingDashboardFragmentTest.java

@@ -21,10 +21,12 @@ import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.os.Bundle;
+import android.view.View;
 
 import androidx.test.core.app.ApplicationProvider;
 
@@ -52,6 +54,7 @@ public class AudioSharingDashboardFragmentTest {
 
     @Mock private SettingsActivity mActivity;
     @Mock private SettingsMainSwitchBar mSwitchBar;
+    @Mock private View mView;
     @Mock private AudioSharingDeviceVolumeGroupController mVolumeGroupController;
     @Mock private AudioSharingCallAudioPreferenceController mCallAudioController;
     @Mock private AudioSharingPlaySoundPreferenceController mPlaySoundController;
@@ -61,6 +64,7 @@ public class AudioSharingDashboardFragmentTest {
 
     @Before
     public void setUp() {
+        when(mSwitchBar.getRootView()).thenReturn(mView);
         mFragment = new AudioSharingDashboardFragment();
     }
 

tests/robotests/src/com/android/settings/connecteddevice/audiosharing/AudioSharingSwitchBarControllerTest.java

@@ -51,6 +51,8 @@ import android.os.Looper;
 import android.platform.test.flag.junit.SetFlagsRule;
 import android.util.FeatureFlagUtils;
 import android.util.Pair;
+import android.view.View;
+import android.view.accessibility.AccessibilityEvent;
 import android.widget.CompoundButton;
 
 import androidx.fragment.app.DialogFragment;
@@ -590,4 +592,26 @@ public class AudioSharingSwitchBarControllerTest {
         mController.mBroadcastAssistantCallback.onSourceLost(/* broadcastId= */ 1);
         verifyNoMoreInteractions(mFeatureFactory.metricsFeatureProvider);
     }
+
+    @Test
+    public void testAccessibilityDelegate() {
+        View view = new View(mContext);
+        AccessibilityEvent event =
+                new AccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
+        event.setContentChangeTypes(AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
+        assertThat(
+                        mSwitchBar
+                                .getRootView()
+                                .getAccessibilityDelegate()
+                                .onRequestSendAccessibilityEvent(mSwitchBar, view, event))
+                .isTrue();
+
+        event.setContentChangeTypes(AccessibilityEvent.CONTENT_CHANGE_TYPE_ENABLED);
+        assertThat(
+                        mSwitchBar
+                                .getRootView()
+                                .getAccessibilityDelegate()
+                                .onRequestSendAccessibilityEvent(mSwitchBar, view, event))
+                .isFalse();
+    }
 }