Makoto Onuki | 3145924 | 2016-03-22 11:12:18 -0700 | [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 | package com.android.server.pm; |
| 17 | |
| 18 | import android.annotation.NonNull; |
| 19 | import android.annotation.UserIdInt; |
| 20 | import android.content.pm.ShortcutInfo; |
| 21 | import android.util.ArrayMap; |
| 22 | import android.util.ArraySet; |
| 23 | |
| 24 | import org.xmlpull.v1.XmlPullParser; |
| 25 | import org.xmlpull.v1.XmlPullParserException; |
| 26 | import org.xmlpull.v1.XmlSerializer; |
| 27 | |
| 28 | import java.io.IOException; |
| 29 | import java.io.PrintWriter; |
| 30 | import java.util.List; |
| 31 | |
| 32 | /** |
| 33 | * Launcher information used by {@link ShortcutService}. |
| 34 | */ |
| 35 | class ShortcutLauncher { |
| 36 | private static final String TAG = ShortcutService.TAG; |
| 37 | |
| 38 | static final String TAG_ROOT = "launcher-pins"; |
| 39 | |
| 40 | private static final String TAG_PACKAGE = "package"; |
| 41 | private static final String TAG_PIN = "pin"; |
| 42 | |
| 43 | private static final String ATTR_VALUE = "value"; |
| 44 | private static final String ATTR_PACKAGE_NAME = "package-name"; |
| 45 | |
| 46 | @UserIdInt |
| 47 | final int mUserId; |
| 48 | |
| 49 | @NonNull |
| 50 | final String mPackageName; |
| 51 | |
| 52 | /** |
| 53 | * Package name -> IDs. |
| 54 | */ |
| 55 | final private ArrayMap<String, ArraySet<String>> mPinnedShortcuts = new ArrayMap<>(); |
| 56 | |
| 57 | ShortcutLauncher(@UserIdInt int userId, @NonNull String packageName) { |
| 58 | mUserId = userId; |
| 59 | mPackageName = packageName; |
| 60 | } |
| 61 | |
| 62 | public void pinShortcuts(@NonNull ShortcutService s, @NonNull String packageName, |
| 63 | @NonNull List<String> ids) { |
| 64 | final int idSize = ids.size(); |
| 65 | if (idSize == 0) { |
| 66 | mPinnedShortcuts.remove(packageName); |
| 67 | } else { |
| 68 | final ArraySet<String> prevSet = mPinnedShortcuts.get(packageName); |
| 69 | |
| 70 | // Pin shortcuts. Make sure only pin the ones that were visible to the caller. |
| 71 | // i.e. a non-dynamic, pinned shortcut by *other launchers* shouldn't be pinned here. |
| 72 | |
| 73 | final ShortcutPackage packageShortcuts = |
| 74 | s.getPackageShortcutsLocked(packageName, mUserId); |
| 75 | final ArraySet<String> newSet = new ArraySet<>(); |
| 76 | |
| 77 | for (int i = 0; i < idSize; i++) { |
| 78 | final String id = ids.get(i); |
| 79 | final ShortcutInfo si = packageShortcuts.findShortcutById(id); |
| 80 | if (si == null) { |
| 81 | continue; |
| 82 | } |
| 83 | if (si.isDynamic() || (prevSet != null && prevSet.contains(id))) { |
| 84 | newSet.add(id); |
| 85 | } |
| 86 | } |
| 87 | mPinnedShortcuts.put(packageName, newSet); |
| 88 | } |
| 89 | s.getPackageShortcutsLocked(packageName, mUserId).refreshPinnedFlags(s); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Return the pinned shortcut IDs for the publisher package. |
| 94 | */ |
| 95 | public ArraySet<String> getPinnedShortcutIds(@NonNull String packageName) { |
| 96 | return mPinnedShortcuts.get(packageName); |
| 97 | } |
| 98 | |
| 99 | boolean cleanUpPackage(String packageName) { |
| 100 | return mPinnedShortcuts.remove(packageName) != null; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Persist. |
| 105 | */ |
| 106 | public void saveToXml(XmlSerializer out) throws IOException { |
| 107 | final int size = mPinnedShortcuts.size(); |
| 108 | if (size == 0) { |
| 109 | return; // Nothing to write. |
| 110 | } |
| 111 | |
| 112 | out.startTag(null, TAG_ROOT); |
| 113 | ShortcutService.writeAttr(out, ATTR_PACKAGE_NAME, |
| 114 | mPackageName); |
| 115 | |
| 116 | for (int i = 0; i < size; i++) { |
| 117 | out.startTag(null, TAG_PACKAGE); |
| 118 | ShortcutService.writeAttr(out, ATTR_PACKAGE_NAME, |
| 119 | mPinnedShortcuts.keyAt(i)); |
| 120 | |
| 121 | final ArraySet<String> ids = mPinnedShortcuts.valueAt(i); |
| 122 | final int idSize = ids.size(); |
| 123 | for (int j = 0; j < idSize; j++) { |
| 124 | ShortcutService.writeTagValue(out, TAG_PIN, ids.valueAt(j)); |
| 125 | } |
| 126 | out.endTag(null, TAG_PACKAGE); |
| 127 | } |
| 128 | |
| 129 | out.endTag(null, TAG_ROOT); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Load. |
| 134 | */ |
| 135 | public static ShortcutLauncher loadFromXml(XmlPullParser parser, int userId) |
| 136 | throws IOException, XmlPullParserException { |
| 137 | final String launcherPackageName = ShortcutService.parseStringAttribute(parser, |
| 138 | ATTR_PACKAGE_NAME); |
| 139 | |
| 140 | final ShortcutLauncher ret = new ShortcutLauncher(userId, launcherPackageName); |
| 141 | |
| 142 | ArraySet<String> ids = null; |
| 143 | final int outerDepth = parser.getDepth(); |
| 144 | int type; |
| 145 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 146 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 147 | if (type != XmlPullParser.START_TAG) { |
| 148 | continue; |
| 149 | } |
| 150 | final int depth = parser.getDepth(); |
| 151 | final String tag = parser.getName(); |
| 152 | switch (tag) { |
| 153 | case TAG_PACKAGE: { |
| 154 | final String packageName = ShortcutService.parseStringAttribute(parser, |
| 155 | ATTR_PACKAGE_NAME); |
| 156 | ids = new ArraySet<>(); |
| 157 | ret.mPinnedShortcuts.put(packageName, ids); |
| 158 | continue; |
| 159 | } |
| 160 | case TAG_PIN: { |
| 161 | ids.add(ShortcutService.parseStringAttribute(parser, |
| 162 | ATTR_VALUE)); |
| 163 | continue; |
| 164 | } |
| 165 | } |
| 166 | throw ShortcutService.throwForInvalidTag(depth, tag); |
| 167 | } |
| 168 | return ret; |
| 169 | } |
| 170 | |
| 171 | public void dump(@NonNull ShortcutService s, @NonNull PrintWriter pw, @NonNull String prefix) { |
| 172 | pw.println(); |
| 173 | |
| 174 | pw.print(prefix); |
| 175 | pw.print("Launcher: "); |
| 176 | pw.print(mPackageName); |
| 177 | pw.println(); |
| 178 | |
| 179 | final int size = mPinnedShortcuts.size(); |
| 180 | for (int i = 0; i < size; i++) { |
| 181 | pw.println(); |
| 182 | |
| 183 | pw.print(prefix); |
| 184 | pw.print(" "); |
| 185 | pw.print("Package: "); |
| 186 | pw.println(mPinnedShortcuts.keyAt(i)); |
| 187 | |
| 188 | final ArraySet<String> ids = mPinnedShortcuts.valueAt(i); |
| 189 | final int idSize = ids.size(); |
| 190 | |
| 191 | for (int j = 0; j < idSize; j++) { |
| 192 | pw.print(prefix); |
| 193 | pw.print(" "); |
| 194 | pw.print(ids.valueAt(j)); |
| 195 | pw.println(); |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | } |