Improve search by adding the settings keywords for supported downloaded services

* Use FeatureFactory to improve the search only for google overlay

Bug: 184171842
Test: atest AccessibilitySettingsTest
Change-Id: I93ed52d2579b7da35dba59f9562b6715d13dd80d

src/com/android/settings/accessibility/AccessibilitySearchFeatureProvider.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import android.content.Context;
+
+import com.android.settingslib.search.SearchIndexableRaw;
+
+import java.util.List;
+
+/**
+ * Provider for Accessibility Search related features.
+ */
+public interface AccessibilitySearchFeatureProvider {
+
+    /**
+     * Returns a list of raw data for indexing. See {@link SearchIndexableRaw}
+     *
+     * @param context a valid context {@link Context} instance
+     * @return a list of {@link SearchIndexableRaw} references. Can be null.
+     */
+    List<SearchIndexableRaw> getSearchIndexableRawData(Context context);
+}

src/com/android/settings/accessibility/AccessibilitySearchFeatureProviderImpl.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2021 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.accessibility;
+
+import android.content.Context;
+
+import com.android.settingslib.search.SearchIndexableRaw;
+
+import java.util.List;
+
+/**
+ * Provider implementation for Accessibility Search related features.
+ */
+public class AccessibilitySearchFeatureProviderImpl implements AccessibilitySearchFeatureProvider {
+
+    @Override
+    public List<SearchIndexableRaw> getSearchIndexableRawData(Context context) {
+        return null;
+    }
+}

src/com/android/settings/accessibility/AccessibilitySettings.java

@@ -50,12 +50,14 @@ import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.accessibility.AccessibilityUtil.AccessibilityServiceFragmentType;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.accessibility.AccessibilityUtils;
 import com.android.settingslib.search.SearchIndexable;
+import com.android.settingslib.search.SearchIndexableRaw;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -494,7 +496,15 @@ public class AccessibilitySettings extends DashboardFragment {
     }
 
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.xml.accessibility_settings);
+            new BaseSearchIndexProvider(R.xml.accessibility_settings) {
+                @Override
+                public List<SearchIndexableRaw> getRawDataToIndex(Context context,
+                        boolean enabled) {
+                    return FeatureFactory.getFactory(context)
+                            .getAccessibilitySearchFeatureProvider().getSearchIndexableRawData(
+                                    context);
+                }
+            };
 
     /**
      * This class helps setup RestrictedPreference.
@@ -559,7 +569,6 @@ public class AccessibilitySettings extends DashboardFragment {
 
                 setRestrictedPreferenceEnabled(preference, packageName, serviceAllowed,
                         serviceEnabled);
-
                 final String prefKey = preference.getKey();
                 final int imageRes = info.getAnimatedImageRes();
                 final CharSequence description = getServiceDescription(mContext, info,