Hide the setting from the search when feature is disabled.

Bug: 310243923
Change-Id: Idb3b903f19d81825e6f721a87ec8c5238c86118d

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

@@ -19,13 +19,10 @@ package com.android.settings.security;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.os.Bundle;
-import android.os.UserManager;
 
 import androidx.annotation.VisibleForTesting;
-import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
-import com.android.settings.Utils;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.search.SearchIndexable;
@@ -36,8 +33,10 @@ public class ContentProtectionPreferenceFragment extends DashboardFragment {
 
     // Required by @SearchIndexable to make the fragment and preferences to be indexed.
     // Do not rename.
-    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.layout.content_protection_preference_fragment);
+    @VisibleForTesting
+    public static final ContentProtectionSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new ContentProtectionSearchIndexProvider(
+                    R.layout.content_protection_preference_fragment);
 
     @Override
     public void onAttach(Context context) {
@@ -63,4 +62,17 @@ public class ContentProtectionPreferenceFragment extends DashboardFragment {
     protected String getLogTag() {
         return TAG;
     }
+
+    public static class ContentProtectionSearchIndexProvider extends BaseSearchIndexProvider {
+
+        public ContentProtectionSearchIndexProvider(int xmlRes) {
+            super(xmlRes);
+        }
+
+        @Override
+        @VisibleForTesting
+        public boolean isPageSearchEnabled(Context context) {
+            return ContentProtectionPreferenceUtils.isAvailable(context);
+        }
+    }
 }

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

@@ -0,0 +1,63 @@
+/*
+ * 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.security;
+
+import static com.android.internal.R.string.config_defaultContentProtectionService;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.provider.DeviceConfig;
+import android.view.contentcapture.ContentCaptureManager;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.NonNull;
+
+/** Util class for content protection preference. */
+public class ContentProtectionPreferenceUtils {
+
+    /**
+     * Whether or not the content protection setting page is available.
+     */
+    public static boolean isAvailable(@NonNull Context context) {
+        if (!settingUiEnabled() || getContentProtectionServiceComponentName(context) == null) {
+            return false;
+        }
+        return true;
+    }
+
+    private static String getContentProtectionServiceFlatComponentName(@NonNull Context context) {
+        return context.getString(config_defaultContentProtectionService);
+    }
+
+    @Nullable
+    private static ComponentName getContentProtectionServiceComponentName(@NonNull Context context) {
+        String flatComponentName = getContentProtectionServiceFlatComponentName(context);
+        if (flatComponentName == null) {
+            return null;
+        }
+        return ComponentName.unflattenFromString(flatComponentName);
+    }
+
+    /**
+     * Whether or not the content protection UI is enabled.
+     */
+    private static boolean settingUiEnabled() {
+        return DeviceConfig.getBoolean(
+                DeviceConfig.NAMESPACE_CONTENT_CAPTURE,
+                ContentCaptureManager.DEVICE_CONFIG_PROPERTY_ENABLE_CONTENT_PROTECTION_RECEIVER,
+                ContentCaptureManager.DEFAULT_ENABLE_CONTENT_PROTECTION_RECEIVER);
+    }
+}