1/*
2 * Copyright (C) 2011 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
17package com.android.server.pm;
18
19import com.android.internal.util.XmlUtils;
20import com.android.server.PreferredComponent;
21
22import org.xmlpull.v1.XmlPullParser;
23import org.xmlpull.v1.XmlPullParserException;
24import org.xmlpull.v1.XmlSerializer;
25
26import android.content.ComponentName;
27import android.content.IntentFilter;
28import android.util.Log;
29
30import java.io.IOException;
31
32class PreferredActivity extends IntentFilter implements PreferredComponent.Callbacks {
33    private static final String TAG = "PreferredActivity";
34
35    private static final boolean DEBUG_FILTERS = false;
36    static final String ATTR_USER_ID = "userId";
37
38    final PreferredComponent mPref;
39
40    PreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) {
41        super(filter);
42        mPref = new PreferredComponent(this, match, set, activity);
43    }
44
45    PreferredActivity(XmlPullParser parser) throws XmlPullParserException, IOException {
46        mPref = new PreferredComponent(this, parser);
47    }
48
49    public void writeToXml(XmlSerializer serializer) throws IOException {
50        mPref.writeToXml(serializer);
51        serializer.startTag(null, "filter");
52            super.writeToXml(serializer);
53        serializer.endTag(null, "filter");
54    }
55
56    public boolean onReadTag(String tagName, XmlPullParser parser) throws XmlPullParserException,
57            IOException {
58        if (tagName.equals("filter")) {
59            if (DEBUG_FILTERS) {
60                Log.i(TAG, "Starting to parse filter...");
61            }
62            readFromXml(parser);
63            if (DEBUG_FILTERS) {
64                Log.i(TAG, "Finished filter: depth=" + parser.getDepth() + " tag="
65                        + parser.getName());
66            }
67        } else {
68            PackageManagerService.reportSettingsProblem(Log.WARN,
69                    "Unknown element under <preferred-activities>: " + parser.getName());
70            XmlUtils.skipCurrentTag(parser);
71        }
72        return true;
73    }
74}
75