| /* |
| * Copyright (C) 2020 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 android.content.pm.parsing.component; |
| |
| import android.annotation.AttrRes; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Intent; |
| import android.content.pm.PackageParser; |
| import android.content.pm.PackageUserState; |
| import android.content.pm.parsing.ParsingPackage; |
| import android.content.pm.parsing.ParsingUtils; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.text.TextUtils; |
| |
| import android.content.pm.parsing.ParsingPackageUtils; |
| import android.content.pm.parsing.result.ParseInput; |
| import android.content.pm.parsing.result.ParseResult; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| |
| /** @hide */ |
| public class ComponentParseUtils { |
| |
| private static final String TAG = ParsingPackageUtils.TAG; |
| |
| public static boolean isImplicitlyExposedIntent(ParsedIntentInfo intentInfo) { |
| return intentInfo.hasCategory(Intent.CATEGORY_BROWSABLE) |
| || intentInfo.hasAction(Intent.ACTION_SEND) |
| || intentInfo.hasAction(Intent.ACTION_SENDTO) |
| || intentInfo.hasAction(Intent.ACTION_SEND_MULTIPLE); |
| } |
| |
| static <Component extends ParsedComponent> ParseResult<Component> parseAllMetaData( |
| ParsingPackage pkg, Resources res, XmlResourceParser parser, String tag, |
| Component component, ParseInput input) throws XmlPullParserException, IOException { |
| final int depth = parser.getDepth(); |
| int type; |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > depth)) { |
| if (type != XmlPullParser.START_TAG) { |
| continue; |
| } |
| |
| final ParseResult result; |
| if ("meta-data".equals(parser.getName())) { |
| result = ParsedComponentUtils.addMetaData(component, pkg, res, parser, input); |
| } else { |
| result = ParsingUtils.unknownTag(tag, pkg, parser, input); |
| } |
| |
| if (result.isError()) { |
| return input.error(result); |
| } |
| } |
| |
| return input.success(component); |
| } |
| |
| @NonNull |
| public static ParseResult<String> buildProcessName(@NonNull String pkg, String defProc, |
| CharSequence procSeq, int flags, String[] separateProcesses, ParseInput input) { |
| if ((flags & PackageParser.PARSE_IGNORE_PROCESSES) != 0 && !"system".contentEquals( |
| procSeq)) { |
| return input.success(defProc != null ? defProc : pkg); |
| } |
| if (separateProcesses != null) { |
| for (int i = separateProcesses.length - 1; i >= 0; i--) { |
| String sp = separateProcesses[i]; |
| if (sp.equals(pkg) || sp.equals(defProc) || sp.contentEquals(procSeq)) { |
| return input.success(pkg); |
| } |
| } |
| } |
| if (procSeq == null || procSeq.length() <= 0) { |
| return input.success(defProc); |
| } |
| |
| ParseResult<String> nameResult = ComponentParseUtils.buildCompoundName(pkg, procSeq, |
| "process", input); |
| return input.success(TextUtils.safeIntern(nameResult.getResult())); |
| } |
| |
| @NonNull |
| public static ParseResult<String> buildTaskAffinityName(String pkg, String defProc, |
| CharSequence procSeq, ParseInput input) { |
| if (procSeq == null) { |
| return input.success(defProc); |
| } |
| if (procSeq.length() <= 0) { |
| return input.success(null); |
| } |
| return buildCompoundName(pkg, procSeq, "taskAffinity", input); |
| } |
| |
| public static ParseResult<String> buildCompoundName(String pkg, CharSequence procSeq, |
| String type, ParseInput input) { |
| String proc = procSeq.toString(); |
| char c = proc.charAt(0); |
| if (pkg != null && c == ':') { |
| if (proc.length() < 2) { |
| return input.error("Bad " + type + " name " + proc + " in package " + pkg |
| + ": must be at least two characters"); |
| } |
| String subName = proc.substring(1); |
| String nameError = PackageParser.validateName(subName, false, false); |
| if (nameError != null) { |
| return input.error("Invalid " + type + " name " + proc + " in package " + pkg |
| + ": " + nameError); |
| } |
| return input.success(pkg + proc); |
| } |
| String nameError = PackageParser.validateName(proc, true, false); |
| if (nameError != null && !"system".equals(proc)) { |
| return input.error("Invalid " + type + " name " + proc + " in package " + pkg |
| + ": " + nameError); |
| } |
| return input.success(proc); |
| } |
| |
| public static int flag(int flag, @AttrRes int attribute, TypedArray typedArray) { |
| return typedArray.getBoolean(attribute, false) ? flag : 0; |
| } |
| |
| public static int flag(int flag, @AttrRes int attribute, boolean defaultValue, |
| TypedArray typedArray) { |
| return typedArray.getBoolean(attribute, defaultValue) ? flag : 0; |
| } |
| |
| /** |
| * This is not state aware. Avoid and access through PackageInfoUtils in the system server. |
| */ |
| @Nullable |
| public static CharSequence getNonLocalizedLabel( |
| ParsedComponent component) { |
| return component.nonLocalizedLabel; |
| } |
| |
| /** |
| * This is not state aware. Avoid and access through PackageInfoUtils in the system server. |
| * |
| * This is a method of the utility class to discourage use. |
| */ |
| public static int getIcon(ParsedComponent component) { |
| return component.icon; |
| } |
| |
| public static boolean isMatch(PackageUserState state, boolean isSystem, |
| boolean isPackageEnabled, ParsedMainComponent component, int flags) { |
| return state.isMatch(isSystem, isPackageEnabled, component.isEnabled(), |
| component.isDirectBootAware(), component.getName(), flags); |
| } |
| |
| public static boolean isEnabled(PackageUserState state, boolean isPackageEnabled, |
| ParsedMainComponent parsedComponent, int flags) { |
| return state.isEnabled(isPackageEnabled, parsedComponent.isEnabled(), |
| parsedComponent.getName(), flags); |
| } |
| } |