Filter out SecuritySettings search results when alternative available.

When alternative fragment is shown for the security settings page, we
don't want to show search results that would lead to an unused security
settings page.

Test: manual
Test: atest SettingsUnitTests
Test: make RunSettingsRoboTests -j
Bug: 184613149
Change-Id: I525bd87d1ac6a24a7a26f59ae917e35ac39732e3

src/com/android/settings/security/SecuritySettings.java

@@ -31,6 +31,7 @@ import com.android.settings.biometrics.fingerprint.FingerprintStatusPreferenceCo
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.enterprise.EnterprisePrivacyPreferenceController;
 import com.android.settings.enterprise.FinancedPrivacyPreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.security.trustagent.ManageTrustAgentsPreferenceController;
 import com.android.settings.security.trustagent.TrustAgentListPreferenceController;
@@ -152,5 +153,11 @@ public class SecuritySettings extends DashboardFragment {
                     return buildPreferenceControllers(context, null /* lifecycle */,
                             null /* host*/);
                 }
+
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return !FeatureFactory.getFactory(context).getSecuritySettingsFeatureProvider()
+                            .hasAlternativeSecuritySettingsFragment();
+                }
             };
 }

tests/unit/src/com/android/settings/security/SecuritySettingsTest.java

@@ -0,0 +1,119 @@
+/*
+ * 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.security;
+
+import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_KEY;
+import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_INCLUDE_PREF_SCREEN;
+import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_NEED_KEY;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.annotation.XmlRes;
+import android.content.Context;
+import android.os.Bundle;
+import android.provider.SearchIndexableResource;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.PreferenceXmlParserUtils;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.security.trustagent.TrustAgentManager;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+@RunWith(AndroidJUnit4.class)
+public class SecuritySettingsTest {
+
+    private Context mContext;
+    private SecuritySettingsFeatureProvider mSecuritySettingsFeatureProvider;
+
+    @Mock
+    private TrustAgentManager mTrustAgentManager;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+        FakeFeatureFactory mFeatureFactory = FakeFeatureFactory.setupForTest();
+        mSecuritySettingsFeatureProvider = mFeatureFactory.getSecuritySettingsFeatureProvider();
+        SecurityFeatureProvider mSecurityFeatureProvider =
+                mFeatureFactory.getSecurityFeatureProvider();
+
+        when(mSecurityFeatureProvider.getTrustAgentManager()).thenReturn(mTrustAgentManager);
+    }
+
+    @Test
+    public void noAlternativeFragmentAvailable_pageIndexIncluded() throws Exception {
+        when(mSecuritySettingsFeatureProvider.hasAlternativeSecuritySettingsFragment())
+                .thenReturn(false);
+        BaseSearchIndexProvider indexProvider = SecuritySettings.SEARCH_INDEX_DATA_PROVIDER;
+
+        List<String> allXmlKeys = getAllXmlKeys(indexProvider);
+        List<String> nonIndexableKeys = indexProvider.getNonIndexableKeys(mContext);
+        allXmlKeys.removeAll(nonIndexableKeys);
+
+        assertThat(allXmlKeys).isNotEmpty();
+    }
+
+    @Test
+    public void alternativeFragmentAvailable_pageIndexExcluded() throws Exception {
+        when(mSecuritySettingsFeatureProvider.hasAlternativeSecuritySettingsFragment())
+                .thenReturn(true);
+        BaseSearchIndexProvider indexProvider = SecuritySettings.SEARCH_INDEX_DATA_PROVIDER;
+
+        List<String> allXmlKeys = getAllXmlKeys(indexProvider);
+        List<String> nonIndexableKeys = indexProvider.getNonIndexableKeys(mContext);
+        allXmlKeys.removeAll(nonIndexableKeys);
+
+        assertThat(allXmlKeys).isEmpty();
+    }
+
+    private List<String> getAllXmlKeys(BaseSearchIndexProvider indexProvider) throws Exception {
+        final List<SearchIndexableResource> resources = indexProvider.getXmlResourcesToIndex(
+                mContext, true /* not used*/);
+        if (resources == null || resources.isEmpty()) {
+            return new ArrayList<>();
+        }
+        final List<String> keys = new ArrayList<>();
+        for (SearchIndexableResource res : resources) {
+            keys.addAll(getKeysFromXml(res.xmlResId));
+        }
+        return keys;
+    }
+
+    private List<String> getKeysFromXml(@XmlRes int xmlResId) throws Exception {
+        final List<String> keys = new ArrayList<>();
+        final List<Bundle> metadata = PreferenceXmlParserUtils
+                .extractMetadata(mContext, xmlResId, FLAG_NEED_KEY | FLAG_INCLUDE_PREF_SCREEN);
+        for (Bundle bundle : metadata) {
+            keys.add(bundle.getString(METADATA_KEY));
+        }
+        return keys;
+    }
+}