| /* |
| * Copyright (C) 2013 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.documentsui; |
| |
| import static com.android.documentsui.Shared.DEBUG; |
| import static com.android.documentsui.Shared.TAG; |
| import static com.android.documentsui.State.MODE_UNKNOWN; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| import android.annotation.IntDef; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.SharedPreferences; |
| import android.os.UserHandle; |
| import android.preference.PreferenceManager; |
| import android.util.Log; |
| |
| import com.android.documentsui.State.ViewMode; |
| import com.android.documentsui.model.RootInfo; |
| |
| public class LocalPreferences { |
| private static final String KEY_FILE_SIZE = "fileSize"; |
| private static final String ROOT_VIEW_MODE_PREFIX = "rootViewMode-"; |
| |
| public static boolean getDisplayFileSize(Context context) { |
| return getPrefs(context).getBoolean(KEY_FILE_SIZE, false); |
| } |
| |
| public static @ViewMode int getViewMode(Context context, RootInfo root, |
| @ViewMode int fallback) { |
| return getPrefs(context).getInt(createKey(root), fallback); |
| } |
| |
| public static void setDisplayFileSize(Context context, boolean display) { |
| getPrefs(context).edit().putBoolean(KEY_FILE_SIZE, display).apply(); |
| } |
| |
| public static void setViewMode(Context context, RootInfo root, @ViewMode int viewMode) { |
| assert(viewMode != MODE_UNKNOWN); |
| |
| getPrefs(context).edit().putInt(createKey(root), viewMode).apply(); |
| } |
| |
| private static SharedPreferences getPrefs(Context context) { |
| return PreferenceManager.getDefaultSharedPreferences(context); |
| } |
| |
| private static String createKey(RootInfo root) { |
| return ROOT_VIEW_MODE_PREFIX + root.authority + root.rootId; |
| } |
| |
| public static final int PERMISSION_ASK = 0; |
| public static final int PERMISSION_ASK_AGAIN = 1; |
| public static final int PERMISSION_NEVER_ASK = -1; |
| |
| @IntDef(flag = true, value = { |
| PERMISSION_ASK, |
| PERMISSION_ASK_AGAIN, |
| PERMISSION_NEVER_ASK, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface PermissionStatus {} |
| |
| /** |
| * Methods below are used to keep track of denied user requests on scoped directory access so |
| * the dialog is not offered when user checked the 'Do not ask again' box |
| * |
| * <p>It uses a shared preferences, whose key is: |
| * <ol> |
| * <li>{@code USER_ID|PACKAGE_NAME|VOLUME_UUID|DIRECTORY} for storage volumes that have a UUID |
| * (typically physical volumes like SD cards). |
| * <li>{@code USER_ID|PACKAGE_NAME||DIRECTORY} for storage volumes that do not have a UUID |
| * (typically the emulated volume used for primary storage |
| * </ol> |
| */ |
| static @PermissionStatus int getScopedAccessPermissionStatus(Context context, |
| String packageName, @Nullable String uuid, String directory) { |
| final String key = getScopedAccessDenialsKey(packageName, uuid, directory); |
| return getPrefs(context).getInt(key, PERMISSION_ASK); |
| } |
| |
| static void setScopedAccessPermissionStatus(Context context, String packageName, |
| @Nullable String uuid, String directory, @PermissionStatus int status) { |
| final String key = getScopedAccessDenialsKey(packageName, uuid, directory); |
| getPrefs(context).edit().putInt(key, status).apply(); |
| } |
| |
| private static String getScopedAccessDenialsKey(String packageName, String uuid, |
| String directory) { |
| final int userId = UserHandle.myUserId(); |
| return uuid == null |
| ? userId + "|" + packageName + "||" + directory |
| : userId + "|" + packageName + "|" + uuid + "|" + directory; |
| } |
| } |