| /* |
| * Copyright (C) 2020 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.ComponentName; |
| import android.content.Context; |
| import android.content.SharedPreferences; |
| |
| import com.android.settings.accessibility.AccessibilityUtil.UserShortcutType; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** Static utility methods relating to {@link PreferredShortcut} */ |
| public final class PreferredShortcuts { |
| |
| private static final String ACCESSIBILITY_PERF = "accessibility_prefs"; |
| private static final String USER_SHORTCUT_TYPE = "user_shortcut_type"; |
| |
| /** |
| * Retrieves {@link UserShortcutType} for the given {@code componentName} from |
| * SharedPreferences. |
| * |
| * @param context {@link Context} to access the {@link SharedPreferences} |
| * @param componentName Name of the service or activity, should be the format of {@link |
| * ComponentName#flattenToString()}. |
| * @param defaultType See {@link UserShortcutType} |
| * @return {@link UserShortcutType} |
| */ |
| public static int retrieveUserShortcutType(Context context, String componentName, |
| int defaultType) { |
| if (componentName == null) { |
| return defaultType; |
| } |
| |
| // Create a mutable set to modify |
| final Set<String> info = new HashSet<>(getFromSharedPreferences(context)); |
| info.removeIf(str -> !str.contains(componentName)); |
| |
| if (info.isEmpty()) { |
| return defaultType; |
| } |
| |
| final String str = info.stream().findFirst().get(); |
| final PreferredShortcut shortcut = PreferredShortcut.fromString(str); |
| return shortcut.getType(); |
| } |
| |
| /** |
| * Saves a {@link PreferredShortcut} which containing {@link ComponentName#flattenToString()} |
| * and {@link UserShortcutType} in SharedPreferences. |
| * |
| * @param context {@link Context} to access the {@link SharedPreferences} |
| * @param shortcut Contains {@link ComponentName#flattenToString()} and {@link UserShortcutType} |
| */ |
| public static void saveUserShortcutType(Context context, PreferredShortcut shortcut) { |
| final String componentName = shortcut.getComponentName(); |
| if (componentName == null) { |
| return; |
| } |
| |
| // Create a mutable set to modify |
| final Set<String> info = new HashSet<>(getFromSharedPreferences(context)); |
| info.removeIf(str -> str.contains(componentName)); |
| info.add(shortcut.toString()); |
| saveToSharedPreferences(context, info); |
| } |
| |
| /** |
| * Returns a immutable set of {@link PreferredShortcut#toString()} list from |
| * SharedPreferences. |
| */ |
| private static Set<String> getFromSharedPreferences(Context context) { |
| return getSharedPreferences(context).getStringSet(USER_SHORTCUT_TYPE, Set.of()); |
| } |
| |
| /** Sets a set of {@link PreferredShortcut#toString()} list into SharedPreferences. */ |
| private static void saveToSharedPreferences(Context context, Set<String> data) { |
| SharedPreferences.Editor editor = getSharedPreferences(context).edit(); |
| editor.putStringSet(USER_SHORTCUT_TYPE, data).apply(); |
| } |
| |
| private static SharedPreferences getSharedPreferences(Context context) { |
| return context.getSharedPreferences(ACCESSIBILITY_PERF, Context.MODE_PRIVATE); |
| } |
| |
| private PreferredShortcuts() {} |
| } |