| /* |
| * Copyright (C) 2016 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.server.pm; |
| |
| import android.annotation.NonNull; |
| import android.annotation.UserIdInt; |
| import android.content.pm.ShortcutInfo; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.List; |
| |
| /** |
| * Launcher information used by {@link ShortcutService}. |
| */ |
| class ShortcutLauncher { |
| private static final String TAG = ShortcutService.TAG; |
| |
| static final String TAG_ROOT = "launcher-pins"; |
| |
| private static final String TAG_PACKAGE = "package"; |
| private static final String TAG_PIN = "pin"; |
| |
| private static final String ATTR_VALUE = "value"; |
| private static final String ATTR_PACKAGE_NAME = "package-name"; |
| |
| @UserIdInt |
| final int mUserId; |
| |
| @NonNull |
| final String mPackageName; |
| |
| /** |
| * Package name -> IDs. |
| */ |
| final private ArrayMap<String, ArraySet<String>> mPinnedShortcuts = new ArrayMap<>(); |
| |
| ShortcutLauncher(@UserIdInt int userId, @NonNull String packageName) { |
| mUserId = userId; |
| mPackageName = packageName; |
| } |
| |
| public void pinShortcuts(@NonNull ShortcutService s, @NonNull String packageName, |
| @NonNull List<String> ids) { |
| final int idSize = ids.size(); |
| if (idSize == 0) { |
| mPinnedShortcuts.remove(packageName); |
| } else { |
| final ArraySet<String> prevSet = mPinnedShortcuts.get(packageName); |
| |
| // Pin shortcuts. Make sure only pin the ones that were visible to the caller. |
| // i.e. a non-dynamic, pinned shortcut by *other launchers* shouldn't be pinned here. |
| |
| final ShortcutPackage packageShortcuts = |
| s.getPackageShortcutsLocked(packageName, mUserId); |
| final ArraySet<String> newSet = new ArraySet<>(); |
| |
| for (int i = 0; i < idSize; i++) { |
| final String id = ids.get(i); |
| final ShortcutInfo si = packageShortcuts.findShortcutById(id); |
| if (si == null) { |
| continue; |
| } |
| if (si.isDynamic() || (prevSet != null && prevSet.contains(id))) { |
| newSet.add(id); |
| } |
| } |
| mPinnedShortcuts.put(packageName, newSet); |
| } |
| s.getPackageShortcutsLocked(packageName, mUserId).refreshPinnedFlags(s); |
| } |
| |
| /** |
| * Return the pinned shortcut IDs for the publisher package. |
| */ |
| public ArraySet<String> getPinnedShortcutIds(@NonNull String packageName) { |
| return mPinnedShortcuts.get(packageName); |
| } |
| |
| boolean cleanUpPackage(String packageName) { |
| return mPinnedShortcuts.remove(packageName) != null; |
| } |
| |
| /** |
| * Persist. |
| */ |
| public void saveToXml(XmlSerializer out) throws IOException { |
| final int size = mPinnedShortcuts.size(); |
| if (size == 0) { |
| return; // Nothing to write. |
| } |
| |
| out.startTag(null, TAG_ROOT); |
| ShortcutService.writeAttr(out, ATTR_PACKAGE_NAME, |
| mPackageName); |
| |
| for (int i = 0; i < size; i++) { |
| out.startTag(null, TAG_PACKAGE); |
| ShortcutService.writeAttr(out, ATTR_PACKAGE_NAME, |
| mPinnedShortcuts.keyAt(i)); |
| |
| final ArraySet<String> ids = mPinnedShortcuts.valueAt(i); |
| final int idSize = ids.size(); |
| for (int j = 0; j < idSize; j++) { |
| ShortcutService.writeTagValue(out, TAG_PIN, ids.valueAt(j)); |
| } |
| out.endTag(null, TAG_PACKAGE); |
| } |
| |
| out.endTag(null, TAG_ROOT); |
| } |
| |
| /** |
| * Load. |
| */ |
| public static ShortcutLauncher loadFromXml(XmlPullParser parser, int userId) |
| throws IOException, XmlPullParserException { |
| final String launcherPackageName = ShortcutService.parseStringAttribute(parser, |
| ATTR_PACKAGE_NAME); |
| |
| final ShortcutLauncher ret = new ShortcutLauncher(userId, launcherPackageName); |
| |
| ArraySet<String> ids = null; |
| final int outerDepth = parser.getDepth(); |
| int type; |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| if (type != XmlPullParser.START_TAG) { |
| continue; |
| } |
| final int depth = parser.getDepth(); |
| final String tag = parser.getName(); |
| switch (tag) { |
| case TAG_PACKAGE: { |
| final String packageName = ShortcutService.parseStringAttribute(parser, |
| ATTR_PACKAGE_NAME); |
| ids = new ArraySet<>(); |
| ret.mPinnedShortcuts.put(packageName, ids); |
| continue; |
| } |
| case TAG_PIN: { |
| ids.add(ShortcutService.parseStringAttribute(parser, |
| ATTR_VALUE)); |
| continue; |
| } |
| } |
| throw ShortcutService.throwForInvalidTag(depth, tag); |
| } |
| return ret; |
| } |
| |
| public void dump(@NonNull ShortcutService s, @NonNull PrintWriter pw, @NonNull String prefix) { |
| pw.println(); |
| |
| pw.print(prefix); |
| pw.print("Launcher: "); |
| pw.print(mPackageName); |
| pw.println(); |
| |
| final int size = mPinnedShortcuts.size(); |
| for (int i = 0; i < size; i++) { |
| pw.println(); |
| |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print("Package: "); |
| pw.println(mPinnedShortcuts.keyAt(i)); |
| |
| final ArraySet<String> ids = mPinnedShortcuts.valueAt(i); |
| final int idSize = ids.size(); |
| |
| for (int j = 0; j < idSize; j++) { |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print(ids.valueAt(j)); |
| pw.println(); |
| } |
| } |
| } |
| } |