| /* |
| * 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.Nullable; |
| import android.annotation.UserIdInt; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.ShortcutInfo; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.net.Uri; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.AttributeSet; |
| import android.util.Slog; |
| import android.util.Xml; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class ShortcutParser { |
| private static final String TAG = ShortcutService.TAG; |
| |
| private static final boolean DEBUG = ShortcutService.DEBUG || false; // DO NOT SUBMIT WITH TRUE |
| |
| @VisibleForTesting |
| static final String METADATA_KEY = "android.pm.Shortcuts"; |
| |
| private static final String TAG_SHORTCUTS = "shortcuts"; |
| private static final String TAG_SHORTCUT = "shortcut"; |
| |
| @Nullable |
| public static List<ShortcutInfo> parseShortcuts(ShortcutService service, |
| String packageName, @UserIdInt int userId) throws IOException, XmlPullParserException { |
| final PackageInfo pi = service.injectGetActivitiesWithMetadata(packageName, userId); |
| |
| List<ShortcutInfo> result = null; |
| |
| if (pi != null && pi.activities != null) { |
| for (ActivityInfo activityInfo : pi.activities) { |
| result = parseShortcutsOneFile(service, activityInfo, packageName, userId, result); |
| } |
| } |
| return result; |
| } |
| |
| private static List<ShortcutInfo> parseShortcutsOneFile( |
| ShortcutService service, |
| ActivityInfo activityInfo, String packageName, @UserIdInt int userId, |
| List<ShortcutInfo> result) throws IOException, XmlPullParserException { |
| XmlResourceParser parser = null; |
| try { |
| parser = service.injectXmlMetaData(activityInfo, METADATA_KEY); |
| if (parser == null) { |
| return result; |
| } |
| |
| final ComponentName activity = new ComponentName(packageName, activityInfo.name); |
| |
| final AttributeSet attrs = Xml.asAttributeSet(parser); |
| |
| int type; |
| |
| int rank = 0; |
| final int maxShortcuts = service.getMaxActivityShortcuts(); |
| int numShortcuts = 0; |
| |
| outer: |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > 0)) { |
| if (type != XmlPullParser.START_TAG) { |
| continue; |
| } |
| final int depth = parser.getDepth(); |
| final String tag = parser.getName(); |
| |
| if (depth == 1 && TAG_SHORTCUTS.equals(tag)) { |
| continue; // Root tag. |
| } |
| if (depth == 2 && TAG_SHORTCUT.equals(tag)) { |
| final ShortcutInfo si = parseShortcutAttributes( |
| service, attrs, packageName, activity, userId, rank++); |
| if (ShortcutService.DEBUG) { |
| Slog.d(TAG, "Shortcut=" + si); |
| } |
| if (result != null) { |
| for (int i = result.size() - 1; i >= 0; i--) { |
| if (si.getId().equals(result.get(i).getId())) { |
| Slog.w(TAG, "Duplicate shortcut ID detected, skipping."); |
| continue outer; |
| } |
| } |
| } |
| |
| if (si != null) { |
| if (numShortcuts >= maxShortcuts) { |
| Slog.w(TAG, "More than " + maxShortcuts + " shortcuts found for " |
| + activityInfo.getComponentName() + ", ignoring the rest."); |
| return result; |
| } |
| |
| if (result == null) { |
| result = new ArrayList<>(); |
| } |
| result.add(si); |
| numShortcuts++; |
| } |
| continue; |
| } |
| Slog.w(TAG, "Unknown tag " + tag); |
| } |
| } finally { |
| if (parser != null) { |
| parser.close(); |
| } |
| } |
| return result; |
| } |
| |
| private static ShortcutInfo parseShortcutAttributes(ShortcutService service, |
| AttributeSet attrs, String packageName, ComponentName activity, |
| @UserIdInt int userId, int rank) { |
| final TypedArray sa = service.mContext.getResources().obtainAttributes(attrs, |
| R.styleable.Shortcut); |
| try { |
| final String id = sa.getString(R.styleable.Shortcut_shortcutId); |
| final boolean enabled = sa.getBoolean(R.styleable.Shortcut_enabled, true); |
| final int iconResId = sa.getResourceId(R.styleable.Shortcut_shortcutIcon, 0); |
| final int titleResId = sa.getResourceId(R.styleable.Shortcut_shortcutShortLabel, 0); |
| final int textResId = sa.getResourceId(R.styleable.Shortcut_shortcutLongLabel, 0); |
| final int disabledMessageResId = sa.getResourceId( |
| R.styleable.Shortcut_shortcutDisabledMessage, 0); |
| final String categories = sa.getString(R.styleable.Shortcut_shortcutCategories); |
| String intentAction = sa.getString(R.styleable.Shortcut_shortcutIntentAction); |
| final String intentData = sa.getString(R.styleable.Shortcut_shortcutIntentData); |
| |
| if (TextUtils.isEmpty(id)) { |
| Slog.w(TAG, "Shortcut ID must be provided. activity=" + activity); |
| return null; |
| } |
| if (titleResId == 0) { |
| Slog.w(TAG, "Shortcut title must be provided. activity=" + activity); |
| return null; |
| } |
| if (TextUtils.isEmpty(intentAction)) { |
| if (enabled) { |
| Slog.w(TAG, "Shortcut intent action must be provided. activity=" + activity); |
| return null; |
| } else { |
| // Disabled shortcut doesn't have to have an action, but just set VIEW as the |
| // default. |
| intentAction = Intent.ACTION_VIEW; |
| } |
| } |
| |
| final ArraySet<String> categoriesSet; |
| if (categories == null) { |
| categoriesSet = null; |
| } else { |
| final String[] arr = categories.split(":"); |
| categoriesSet = new ArraySet<>(arr.length); |
| for (String v : arr) { |
| categoriesSet.add(v); |
| } |
| } |
| final Intent intent = new Intent(intentAction); |
| if (!TextUtils.isEmpty(intentData)) { |
| intent.setData(Uri.parse(intentData)); |
| } |
| |
| return createShortcutFromManifest( |
| service, |
| userId, |
| id, |
| packageName, |
| activity, |
| titleResId, |
| textResId, |
| disabledMessageResId, |
| categoriesSet, |
| intent, |
| rank, |
| iconResId, |
| enabled); |
| } finally { |
| sa.recycle(); |
| } |
| } |
| |
| private static ShortcutInfo createShortcutFromManifest(ShortcutService service, |
| @UserIdInt int userId, String id, String packageName, ComponentName activityComponent, |
| int titleResId, int textResId, int disabledMessageResId, Set<String> categories, |
| Intent intent, int rank, int iconResId, boolean enabled) { |
| |
| final int flags = |
| (enabled ? ShortcutInfo.FLAG_MANIFEST : ShortcutInfo.FLAG_DISABLED) |
| | ShortcutInfo.FLAG_IMMUTABLE |
| | ((iconResId != 0) ? ShortcutInfo.FLAG_HAS_ICON_RES : 0); |
| |
| return new ShortcutInfo( |
| userId, |
| id, |
| packageName, |
| activityComponent, |
| null, // icon |
| null, // title string |
| titleResId, |
| null, // text string |
| textResId, |
| null, // disabled message string |
| disabledMessageResId, |
| categories, |
| intent, |
| null, // intent extras |
| rank, |
| null, // extras |
| service.injectCurrentTimeMillis(), |
| flags, |
| iconResId, |
| null); // bitmap path |
| } |
| } |