Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.om; |
| 18 | |
Adam Lesinski | d11c551 | 2017-04-11 12:01:10 -0700 | [diff] [blame] | 19 | import static com.android.server.om.OverlayManagerService.DEBUG; |
| 20 | import static com.android.server.om.OverlayManagerService.TAG; |
| 21 | |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 22 | import android.annotation.NonNull; |
| 23 | import android.annotation.Nullable; |
| 24 | import android.content.om.OverlayInfo; |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 25 | import android.os.UserHandle; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 26 | import android.util.AndroidRuntimeException; |
| 27 | import android.util.ArrayMap; |
Adam Lesinski | d11c551 | 2017-04-11 12:01:10 -0700 | [diff] [blame] | 28 | import android.util.Slog; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 29 | import android.util.Xml; |
| 30 | |
| 31 | import com.android.internal.util.FastXmlSerializer; |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 32 | import com.android.internal.util.IndentingPrintWriter; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 33 | import com.android.internal.util.XmlUtils; |
| 34 | |
| 35 | import org.xmlpull.v1.XmlPullParser; |
| 36 | import org.xmlpull.v1.XmlPullParserException; |
| 37 | |
| 38 | import java.io.IOException; |
| 39 | import java.io.InputStream; |
| 40 | import java.io.InputStreamReader; |
| 41 | import java.io.OutputStream; |
| 42 | import java.io.PrintWriter; |
| 43 | import java.util.ArrayList; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 44 | import java.util.List; |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 45 | import java.util.stream.Collectors; |
| 46 | import java.util.stream.Stream; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 47 | |
| 48 | /** |
| 49 | * Data structure representing the current state of all overlay packages in the |
| 50 | * system. |
| 51 | * |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 52 | * Modifications to the data are signaled by returning true from any state mutating method. |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 53 | * |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 54 | * @see OverlayManagerService |
| 55 | */ |
| 56 | final class OverlayManagerSettings { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 57 | /** |
| 58 | * All overlay data for all users and target packages is stored in this list. |
| 59 | * This keeps memory down, while increasing the cost of running queries or mutating the |
| 60 | * data. This is ok, since changing of overlays is very rare and has larger costs associated |
| 61 | * with it. |
| 62 | * |
| 63 | * The order of the items in the list is important, those with a lower index having a lower |
| 64 | * priority. |
| 65 | */ |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 66 | private final ArrayList<SettingsItem> mItems = new ArrayList<>(); |
| 67 | |
| 68 | void init(@NonNull final String packageName, final int userId, |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 69 | @NonNull final String targetPackageName, @NonNull final String baseCodePath, |
| 70 | boolean isStatic, int priority) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 71 | remove(packageName, userId); |
| 72 | final SettingsItem item = |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 73 | new SettingsItem(packageName, userId, targetPackageName, baseCodePath, |
| 74 | isStatic, priority); |
| 75 | if (isStatic) { |
| 76 | int i; |
| 77 | for (i = mItems.size() - 1; i >= 0; i--) { |
| 78 | SettingsItem parentItem = mItems.get(i); |
| 79 | if (parentItem.mIsStatic && parentItem.mPriority <= priority) { |
| 80 | break; |
| 81 | } |
| 82 | } |
| 83 | int pos = i + 1; |
| 84 | if (pos == mItems.size()) { |
| 85 | mItems.add(item); |
| 86 | } else { |
| 87 | mItems.add(pos, item); |
| 88 | } |
| 89 | } else { |
| 90 | mItems.add(item); |
| 91 | } |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 92 | } |
| 93 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 94 | /** |
| 95 | * Returns true if the settings were modified, false if they remain the same. |
| 96 | */ |
| 97 | boolean remove(@NonNull final String packageName, final int userId) { |
| 98 | final int idx = select(packageName, userId); |
| 99 | if (idx < 0) { |
| 100 | return false; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 101 | } |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 102 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 103 | mItems.remove(idx); |
| 104 | return true; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | OverlayInfo getOverlayInfo(@NonNull final String packageName, final int userId) |
| 108 | throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 109 | final int idx = select(packageName, userId); |
| 110 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 111 | throw new BadKeyException(packageName, userId); |
| 112 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 113 | return mItems.get(idx).getOverlayInfo(); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 114 | } |
| 115 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 116 | /** |
| 117 | * Returns true if the settings were modified, false if they remain the same. |
| 118 | */ |
| 119 | boolean setBaseCodePath(@NonNull final String packageName, final int userId, |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 120 | @NonNull final String path) throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 121 | final int idx = select(packageName, userId); |
| 122 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 123 | throw new BadKeyException(packageName, userId); |
| 124 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 125 | return mItems.get(idx).setBaseCodePath(path); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | boolean getEnabled(@NonNull final String packageName, final int userId) throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 129 | final int idx = select(packageName, userId); |
| 130 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 131 | throw new BadKeyException(packageName, userId); |
| 132 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 133 | return mItems.get(idx).isEnabled(); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 134 | } |
| 135 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 136 | /** |
| 137 | * Returns true if the settings were modified, false if they remain the same. |
| 138 | */ |
| 139 | boolean setEnabled(@NonNull final String packageName, final int userId, final boolean enable) |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 140 | throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 141 | final int idx = select(packageName, userId); |
| 142 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 143 | throw new BadKeyException(packageName, userId); |
| 144 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 145 | return mItems.get(idx).setEnabled(enable); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | int getState(@NonNull final String packageName, final int userId) throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 149 | final int idx = select(packageName, userId); |
| 150 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 151 | throw new BadKeyException(packageName, userId); |
| 152 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 153 | return mItems.get(idx).getState(); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 154 | } |
| 155 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 156 | /** |
| 157 | * Returns true if the settings were modified, false if they remain the same. |
| 158 | */ |
| 159 | boolean setState(@NonNull final String packageName, final int userId, final int state) |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 160 | throws BadKeyException { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 161 | final int idx = select(packageName, userId); |
| 162 | if (idx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 163 | throw new BadKeyException(packageName, userId); |
| 164 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 165 | return mItems.get(idx).setState(state); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | List<OverlayInfo> getOverlaysForTarget(@NonNull final String targetPackageName, |
| 169 | final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 170 | return selectWhereTarget(targetPackageName, userId) |
| 171 | .map(SettingsItem::getOverlayInfo) |
| 172 | .collect(Collectors.toList()); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | ArrayMap<String, List<OverlayInfo>> getOverlaysForUser(final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 176 | return selectWhereUser(userId) |
| 177 | .map(SettingsItem::getOverlayInfo) |
| 178 | .collect(Collectors.groupingBy(info -> info.targetPackageName, ArrayMap::new, |
| 179 | Collectors.toList())); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 180 | } |
| 181 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 182 | int[] getUsers() { |
| 183 | return mItems.stream().mapToInt(SettingsItem::getUserId).distinct().toArray(); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 184 | } |
| 185 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 186 | /** |
| 187 | * Returns true if the settings were modified, false if they remain the same. |
| 188 | */ |
| 189 | boolean removeUser(final int userId) { |
| 190 | boolean removed = false; |
| 191 | for (int i = 0; i < mItems.size(); i++) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 192 | final SettingsItem item = mItems.get(i); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 193 | if (item.getUserId() == userId) { |
Adam Lesinski | d11c551 | 2017-04-11 12:01:10 -0700 | [diff] [blame] | 194 | if (DEBUG) { |
| 195 | Slog.d(TAG, "Removing overlay " + item.mPackageName + " for user " + userId |
| 196 | + " from settings because user was removed"); |
| 197 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 198 | mItems.remove(i); |
| 199 | removed = true; |
| 200 | i--; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 201 | } |
| 202 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 203 | return removed; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 204 | } |
| 205 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 206 | /** |
| 207 | * Returns true if the settings were modified, false if they remain the same. |
| 208 | */ |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 209 | boolean setPriority(@NonNull final String packageName, |
| 210 | @NonNull final String newParentPackageName, final int userId) { |
| 211 | if (packageName.equals(newParentPackageName)) { |
| 212 | return false; |
| 213 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 214 | final int moveIdx = select(packageName, userId); |
| 215 | if (moveIdx < 0) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 216 | return false; |
| 217 | } |
| 218 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 219 | final int parentIdx = select(newParentPackageName, userId); |
| 220 | if (parentIdx < 0) { |
| 221 | return false; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 222 | } |
| 223 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 224 | final SettingsItem itemToMove = mItems.get(moveIdx); |
| 225 | |
| 226 | // Make sure both packages are targeting the same package. |
| 227 | if (!itemToMove.getTargetPackageName().equals( |
| 228 | mItems.get(parentIdx).getTargetPackageName())) { |
| 229 | return false; |
| 230 | } |
| 231 | |
| 232 | mItems.remove(moveIdx); |
Mårten Kongstad | b1fe515 | 2018-01-23 00:23:51 -0800 | [diff] [blame] | 233 | final int newParentIdx = select(newParentPackageName, userId) + 1; |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 234 | mItems.add(newParentIdx, itemToMove); |
| 235 | return moveIdx != newParentIdx; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 236 | } |
| 237 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 238 | /** |
| 239 | * Returns true if the settings were modified, false if they remain the same. |
| 240 | */ |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 241 | boolean setLowestPriority(@NonNull final String packageName, final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 242 | final int idx = select(packageName, userId); |
| 243 | if (idx <= 0) { |
| 244 | // If the item doesn't exist or is already the lowest, don't change anything. |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 245 | return false; |
| 246 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 247 | |
| 248 | final SettingsItem item = mItems.get(idx); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 249 | mItems.remove(item); |
| 250 | mItems.add(0, item); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 251 | return true; |
| 252 | } |
| 253 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 254 | /** |
| 255 | * Returns true if the settings were modified, false if they remain the same. |
| 256 | */ |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 257 | boolean setHighestPriority(@NonNull final String packageName, final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 258 | final int idx = select(packageName, userId); |
| 259 | |
| 260 | // If the item doesn't exist or is already the highest, don't change anything. |
| 261 | if (idx < 0 || idx == mItems.size() - 1) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 262 | return false; |
| 263 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 264 | |
| 265 | final SettingsItem item = mItems.get(idx); |
| 266 | mItems.remove(idx); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 267 | mItems.add(item); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 268 | return true; |
| 269 | } |
| 270 | |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 271 | void dump(@NonNull final PrintWriter p) { |
| 272 | final IndentingPrintWriter pw = new IndentingPrintWriter(p, " "); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 273 | pw.println("Settings"); |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 274 | pw.increaseIndent(); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 275 | |
| 276 | if (mItems.isEmpty()) { |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 277 | pw.println("<none>"); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 278 | return; |
| 279 | } |
| 280 | |
| 281 | final int N = mItems.size(); |
| 282 | for (int i = 0; i < N; i++) { |
| 283 | final SettingsItem item = mItems.get(i); |
Adam Lesinski | ada8deb | 2017-05-12 13:50:42 -0700 | [diff] [blame] | 284 | pw.println(item.mPackageName + ":" + item.getUserId() + " {"); |
| 285 | pw.increaseIndent(); |
| 286 | |
| 287 | pw.print("mPackageName.......: "); pw.println(item.mPackageName); |
| 288 | pw.print("mUserId............: "); pw.println(item.getUserId()); |
| 289 | pw.print("mTargetPackageName.: "); pw.println(item.getTargetPackageName()); |
| 290 | pw.print("mBaseCodePath......: "); pw.println(item.getBaseCodePath()); |
| 291 | pw.print("mState.............: "); pw.println(OverlayInfo.stateToString(item.getState())); |
| 292 | pw.print("mIsEnabled.........: "); pw.println(item.isEnabled()); |
| 293 | pw.print("mIsStatic..........: "); pw.println(item.isStatic()); |
| 294 | |
| 295 | pw.decreaseIndent(); |
| 296 | pw.println("}"); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 297 | } |
| 298 | } |
| 299 | |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 300 | void restore(@NonNull final InputStream is) throws IOException, XmlPullParserException { |
| 301 | Serializer.restore(mItems, is); |
| 302 | } |
| 303 | |
| 304 | void persist(@NonNull final OutputStream os) throws IOException, XmlPullParserException { |
| 305 | Serializer.persist(mItems, os); |
| 306 | } |
| 307 | |
| 308 | private static final class Serializer { |
| 309 | private static final String TAG_OVERLAYS = "overlays"; |
| 310 | private static final String TAG_ITEM = "item"; |
| 311 | |
| 312 | private static final String ATTR_BASE_CODE_PATH = "baseCodePath"; |
| 313 | private static final String ATTR_IS_ENABLED = "isEnabled"; |
| 314 | private static final String ATTR_PACKAGE_NAME = "packageName"; |
| 315 | private static final String ATTR_STATE = "state"; |
| 316 | private static final String ATTR_TARGET_PACKAGE_NAME = "targetPackageName"; |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 317 | private static final String ATTR_IS_STATIC = "isStatic"; |
| 318 | private static final String ATTR_PRIORITY = "priority"; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 319 | private static final String ATTR_USER_ID = "userId"; |
| 320 | private static final String ATTR_VERSION = "version"; |
| 321 | |
Andrew Sapperstein | 5e1953a | 2017-05-22 12:46:51 -0700 | [diff] [blame] | 322 | private static final int CURRENT_VERSION = 3; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 323 | |
| 324 | public static void restore(@NonNull final ArrayList<SettingsItem> table, |
| 325 | @NonNull final InputStream is) throws IOException, XmlPullParserException { |
| 326 | |
| 327 | try (InputStreamReader reader = new InputStreamReader(is)) { |
| 328 | table.clear(); |
| 329 | final XmlPullParser parser = Xml.newPullParser(); |
| 330 | parser.setInput(reader); |
| 331 | XmlUtils.beginDocument(parser, TAG_OVERLAYS); |
| 332 | int version = XmlUtils.readIntAttribute(parser, ATTR_VERSION); |
| 333 | if (version != CURRENT_VERSION) { |
Adam Lesinski | d68e918 | 2017-03-06 12:52:58 -0800 | [diff] [blame] | 334 | upgrade(version); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 335 | } |
| 336 | int depth = parser.getDepth(); |
| 337 | |
| 338 | while (XmlUtils.nextElementWithin(parser, depth)) { |
| 339 | switch (parser.getName()) { |
| 340 | case TAG_ITEM: |
| 341 | final SettingsItem item = restoreRow(parser, depth + 1); |
| 342 | table.add(item); |
| 343 | break; |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | |
Adam Lesinski | d68e918 | 2017-03-06 12:52:58 -0800 | [diff] [blame] | 349 | private static void upgrade(int oldVersion) throws XmlPullParserException { |
| 350 | switch (oldVersion) { |
| 351 | case 0: |
| 352 | case 1: |
Andrew Sapperstein | 5e1953a | 2017-05-22 12:46:51 -0700 | [diff] [blame] | 353 | case 2: |
Adam Lesinski | d68e918 | 2017-03-06 12:52:58 -0800 | [diff] [blame] | 354 | // Throw an exception which will cause the overlay file to be ignored |
| 355 | // and overwritten. |
| 356 | throw new XmlPullParserException("old version " + oldVersion + "; ignoring"); |
| 357 | default: |
| 358 | throw new XmlPullParserException("unrecognized version " + oldVersion); |
| 359 | } |
| 360 | } |
| 361 | |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 362 | private static SettingsItem restoreRow(@NonNull final XmlPullParser parser, final int depth) |
| 363 | throws IOException { |
| 364 | final String packageName = XmlUtils.readStringAttribute(parser, ATTR_PACKAGE_NAME); |
| 365 | final int userId = XmlUtils.readIntAttribute(parser, ATTR_USER_ID); |
| 366 | final String targetPackageName = XmlUtils.readStringAttribute(parser, |
| 367 | ATTR_TARGET_PACKAGE_NAME); |
| 368 | final String baseCodePath = XmlUtils.readStringAttribute(parser, ATTR_BASE_CODE_PATH); |
| 369 | final int state = XmlUtils.readIntAttribute(parser, ATTR_STATE); |
| 370 | final boolean isEnabled = XmlUtils.readBooleanAttribute(parser, ATTR_IS_ENABLED); |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 371 | final boolean isStatic = XmlUtils.readBooleanAttribute(parser, ATTR_IS_STATIC); |
| 372 | final int priority = XmlUtils.readIntAttribute(parser, ATTR_PRIORITY); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 373 | |
| 374 | return new SettingsItem(packageName, userId, targetPackageName, baseCodePath, state, |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 375 | isEnabled, isStatic, priority); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | public static void persist(@NonNull final ArrayList<SettingsItem> table, |
| 379 | @NonNull final OutputStream os) throws IOException, XmlPullParserException { |
| 380 | final FastXmlSerializer xml = new FastXmlSerializer(); |
| 381 | xml.setOutput(os, "utf-8"); |
| 382 | xml.startDocument(null, true); |
| 383 | xml.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| 384 | xml.startTag(null, TAG_OVERLAYS); |
| 385 | XmlUtils.writeIntAttribute(xml, ATTR_VERSION, CURRENT_VERSION); |
| 386 | |
| 387 | final int N = table.size(); |
| 388 | for (int i = 0; i < N; i++) { |
| 389 | final SettingsItem item = table.get(i); |
| 390 | persistRow(xml, item); |
| 391 | } |
| 392 | xml.endTag(null, TAG_OVERLAYS); |
| 393 | xml.endDocument(); |
| 394 | } |
| 395 | |
| 396 | private static void persistRow(@NonNull final FastXmlSerializer xml, |
| 397 | @NonNull final SettingsItem item) throws IOException { |
| 398 | xml.startTag(null, TAG_ITEM); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 399 | XmlUtils.writeStringAttribute(xml, ATTR_PACKAGE_NAME, item.mPackageName); |
| 400 | XmlUtils.writeIntAttribute(xml, ATTR_USER_ID, item.mUserId); |
| 401 | XmlUtils.writeStringAttribute(xml, ATTR_TARGET_PACKAGE_NAME, item.mTargetPackageName); |
| 402 | XmlUtils.writeStringAttribute(xml, ATTR_BASE_CODE_PATH, item.mBaseCodePath); |
| 403 | XmlUtils.writeIntAttribute(xml, ATTR_STATE, item.mState); |
| 404 | XmlUtils.writeBooleanAttribute(xml, ATTR_IS_ENABLED, item.mIsEnabled); |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 405 | XmlUtils.writeBooleanAttribute(xml, ATTR_IS_STATIC, item.mIsStatic); |
| 406 | XmlUtils.writeIntAttribute(xml, ATTR_PRIORITY, item.mPriority); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 407 | xml.endTag(null, TAG_ITEM); |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | private static final class SettingsItem { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 412 | private final int mUserId; |
| 413 | private final String mPackageName; |
| 414 | private final String mTargetPackageName; |
| 415 | private String mBaseCodePath; |
| 416 | private int mState; |
| 417 | private boolean mIsEnabled; |
| 418 | private OverlayInfo mCache; |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 419 | private boolean mIsStatic; |
| 420 | private int mPriority; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 421 | |
| 422 | SettingsItem(@NonNull final String packageName, final int userId, |
| 423 | @NonNull final String targetPackageName, @NonNull final String baseCodePath, |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 424 | final int state, final boolean isEnabled, final boolean isStatic, |
| 425 | final int priority) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 426 | mPackageName = packageName; |
| 427 | mUserId = userId; |
| 428 | mTargetPackageName = targetPackageName; |
| 429 | mBaseCodePath = baseCodePath; |
| 430 | mState = state; |
| 431 | mIsEnabled = isEnabled; |
| 432 | mCache = null; |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 433 | mIsStatic = isStatic; |
| 434 | mPriority = priority; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | SettingsItem(@NonNull final String packageName, final int userId, |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 438 | @NonNull final String targetPackageName, @NonNull final String baseCodePath, |
| 439 | final boolean isStatic, final int priority) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 440 | this(packageName, userId, targetPackageName, baseCodePath, OverlayInfo.STATE_UNKNOWN, |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 441 | false, isStatic, priority); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | private String getTargetPackageName() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 445 | return mTargetPackageName; |
| 446 | } |
| 447 | |
| 448 | private int getUserId() { |
| 449 | return mUserId; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | private String getBaseCodePath() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 453 | return mBaseCodePath; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 454 | } |
| 455 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 456 | private boolean setBaseCodePath(@NonNull final String path) { |
| 457 | if (!mBaseCodePath.equals(path)) { |
| 458 | mBaseCodePath = path; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 459 | invalidateCache(); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 460 | return true; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 461 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 462 | return false; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | private int getState() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 466 | return mState; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 467 | } |
| 468 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 469 | private boolean setState(final int state) { |
| 470 | if (mState != state) { |
| 471 | mState = state; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 472 | invalidateCache(); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 473 | return true; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 474 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 475 | return false; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | private boolean isEnabled() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 479 | return mIsEnabled; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 480 | } |
| 481 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 482 | private boolean setEnabled(final boolean enable) { |
| 483 | if (mIsEnabled != enable) { |
| 484 | mIsEnabled = enable; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 485 | invalidateCache(); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 486 | return true; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 487 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 488 | return false; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 489 | } |
| 490 | |
| 491 | private OverlayInfo getOverlayInfo() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 492 | if (mCache == null) { |
| 493 | mCache = new OverlayInfo(mPackageName, mTargetPackageName, mBaseCodePath, mState, |
| 494 | mUserId); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 495 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 496 | return mCache; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | private void invalidateCache() { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 500 | mCache = null; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 501 | } |
Jaekyun Seok | 42d53f6 | 2017-04-10 13:48:58 +0900 | [diff] [blame] | 502 | |
| 503 | private boolean isStatic() { |
| 504 | return mIsStatic; |
| 505 | } |
| 506 | |
| 507 | private int getPriority() { |
| 508 | return mPriority; |
| 509 | } |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 510 | } |
| 511 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 512 | private int select(@NonNull final String packageName, final int userId) { |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 513 | final int N = mItems.size(); |
| 514 | for (int i = 0; i < N; i++) { |
| 515 | final SettingsItem item = mItems.get(i); |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 516 | if (item.mUserId == userId && item.mPackageName.equals(packageName)) { |
| 517 | return i; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 518 | } |
| 519 | } |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 520 | return -1; |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 521 | } |
| 522 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 523 | private Stream<SettingsItem> selectWhereUser(final int userId) { |
| 524 | return mItems.stream().filter(item -> item.mUserId == userId); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 525 | } |
| 526 | |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 527 | private Stream<SettingsItem> selectWhereTarget(@NonNull final String targetPackageName, |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 528 | final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 529 | return selectWhereUser(userId) |
| 530 | .filter(item -> item.getTargetPackageName().equals(targetPackageName)); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 531 | } |
| 532 | |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 533 | static final class BadKeyException extends RuntimeException { |
| 534 | BadKeyException(@NonNull final String packageName, final int userId) { |
Adam Lesinski | c745f42 | 2017-04-05 16:31:30 -0700 | [diff] [blame] | 535 | super("Bad key mPackageName=" + packageName + " mUserId=" + userId); |
Mårten Kongstad | eabc9e9 | 2015-12-15 16:40:23 +0100 | [diff] [blame] | 536 | } |
| 537 | } |
| 538 | } |