| /* |
| * Copyright 2014, 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 com.android.internal.util.XmlUtils; |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| import android.content.IntentFilter; |
| import android.util.Log; |
| import java.io.IOException; |
| import android.os.UserHandle; |
| |
| /** |
| * The {@link PackageManagerService} maintains some {@link CrossProfileIntentFilter}s for each user. |
| * If an {@link Intent} matches the {@link CrossProfileIntentFilter}, then activities in the user |
| * {@link #mTargetUserId} can access it. |
| */ |
| class CrossProfileIntentFilter extends IntentFilter { |
| private static final String ATTR_TARGET_USER_ID = "targetUserId"; |
| private static final String ATTR_FLAGS = "flags"; |
| private static final String ATTR_OWNER_PACKAGE = "ownerPackage"; |
| private static final String ATTR_FILTER = "filter"; |
| |
| private static final String TAG = "CrossProfileIntentFilter"; |
| |
| // If the intent matches the IntentFilter, then it can be forwarded to this userId. |
| final int mTargetUserId; |
| final String mOwnerPackage; // packageName of the app. |
| final int mFlags; |
| |
| CrossProfileIntentFilter(IntentFilter filter, String ownerPackage, int targetUserId, |
| int flags) { |
| super(filter); |
| mTargetUserId = targetUserId; |
| mOwnerPackage = ownerPackage; |
| mFlags = flags; |
| } |
| |
| public int getTargetUserId() { |
| return mTargetUserId; |
| } |
| |
| public int getFlags() { |
| return mFlags; |
| } |
| |
| public String getOwnerPackage() { |
| return mOwnerPackage; |
| } |
| |
| CrossProfileIntentFilter(XmlPullParser parser) throws XmlPullParserException, IOException { |
| mTargetUserId = getIntFromXml(parser, ATTR_TARGET_USER_ID, UserHandle.USER_NULL); |
| mOwnerPackage = getStringFromXml(parser, ATTR_OWNER_PACKAGE, ""); |
| mFlags = getIntFromXml(parser, ATTR_FLAGS, 0); |
| |
| int outerDepth = parser.getDepth(); |
| String tagName = parser.getName(); |
| int type; |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| tagName = parser.getName(); |
| if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| continue; |
| } else if (type == XmlPullParser.START_TAG) { |
| if (tagName.equals(ATTR_FILTER)) { |
| break; |
| } else { |
| String msg = "Unknown element under " |
| + Settings.TAG_CROSS_PROFILE_INTENT_FILTERS + ": " + tagName + " at " |
| + parser.getPositionDescription(); |
| PackageManagerService.reportSettingsProblem(Log.WARN, msg); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| } |
| if (tagName.equals(ATTR_FILTER)) { |
| readFromXml(parser); |
| } else { |
| String msg = "Missing element under " + TAG + ": " + ATTR_FILTER + |
| " at " + parser.getPositionDescription(); |
| PackageManagerService.reportSettingsProblem(Log.WARN, msg); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| |
| String getStringFromXml(XmlPullParser parser, String attribute, String defaultValue) { |
| String value = parser.getAttributeValue(null, attribute); |
| if (value == null) { |
| String msg = "Missing element under " + TAG +": " + attribute + " at " + |
| parser.getPositionDescription(); |
| PackageManagerService.reportSettingsProblem(Log.WARN, msg); |
| return defaultValue; |
| } else { |
| return value; |
| } |
| } |
| |
| int getIntFromXml(XmlPullParser parser, String attribute, int defaultValue) { |
| String stringValue = getStringFromXml(parser, attribute, null); |
| if (stringValue != null) { |
| return Integer.parseInt(stringValue); |
| } |
| return defaultValue; |
| } |
| |
| public void writeToXml(XmlSerializer serializer) throws IOException { |
| serializer.attribute(null, ATTR_TARGET_USER_ID, Integer.toString(mTargetUserId)); |
| serializer.attribute(null, ATTR_FLAGS, Integer.toString(mFlags)); |
| serializer.attribute(null, ATTR_OWNER_PACKAGE, mOwnerPackage); |
| serializer.startTag(null, ATTR_FILTER); |
| super.writeToXml(serializer); |
| serializer.endTag(null, ATTR_FILTER); |
| } |
| |
| @Override |
| public String toString() { |
| return "CrossProfileIntentFilter{0x" + Integer.toHexString(System.identityHashCode(this)) |
| + " " + Integer.toString(mTargetUserId) + "}"; |
| } |
| |
| boolean equalsIgnoreFilter(CrossProfileIntentFilter other) { |
| return mTargetUserId == other.mTargetUserId |
| && mOwnerPackage.equals(other.mOwnerPackage) |
| && mFlags == other.mFlags; |
| } |
| } |