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 */
16package com.android.providers.contacts;
17
18import com.android.providers.contacts.util.ContactsPermissions;
19
20import android.content.ContentValues;
21import android.content.Context;
22import android.content.Intent;
23import android.content.res.AssetFileDescriptor;
24import android.database.Cursor;
25import android.database.sqlite.SQLiteDatabase;
26import android.net.Uri;
27import android.os.CancellationSignal;
28import android.provider.ContactsContract.Intents;
29
30import java.io.FileDescriptor;
31import java.io.FileNotFoundException;
32import java.io.PrintWriter;
33import java.util.Locale;
34
35/**
36 * Simple content provider to handle directing profile-specific calls against a separate
37 * database from the rest of contacts.
38 */
39public class ProfileProvider extends AbstractContactsProvider {
40    private static final String READ_CONTACTS_PERMISSION = "android.permission.READ_CONTACTS";
41
42    // The Contacts provider handles most of the logic - this provider is only invoked when the
43    // URI belongs to a profile action, setting up the proper database.
44    private final ContactsProvider2 mDelegate;
45
46    public ProfileProvider(ContactsProvider2 delegate) {
47        mDelegate = delegate;
48    }
49
50    @Override
51    protected ProfileDatabaseHelper getDatabaseHelper(Context context) {
52        return ProfileDatabaseHelper.getInstance(context);
53    }
54
55    @Override
56    protected ThreadLocal<ContactsTransaction> getTransactionHolder() {
57        return mDelegate.getTransactionHolder();
58    }
59
60    @Override
61    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
62            String sortOrder) {
63        return query(uri, projection, selection, selectionArgs, sortOrder, null);
64    }
65
66    @Override
67    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
68            String sortOrder, CancellationSignal cancellationSignal) {
69        incrementStats(mQueryStats);
70        return mDelegate.queryLocal(uri, projection, selection, selectionArgs, sortOrder, -1,
71                cancellationSignal);
72    }
73
74    @Override
75    protected Uri insertInTransaction(Uri uri, ContentValues values) {
76        useProfileDbForTransaction();
77        return mDelegate.insertInTransaction(uri, values);
78    }
79
80    @Override
81    protected int updateInTransaction(Uri uri, ContentValues values, String selection,
82            String[] selectionArgs) {
83        useProfileDbForTransaction();
84        return mDelegate.updateInTransaction(uri, values, selection, selectionArgs);
85    }
86
87    @Override
88    protected int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) {
89        useProfileDbForTransaction();
90        return mDelegate.deleteInTransaction(uri, selection, selectionArgs);
91    }
92
93    @Override
94    public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException {
95        return mDelegate.openAssetFileLocal(uri, mode);
96    }
97
98    private void useProfileDbForTransaction() {
99        ContactsTransaction transaction = getCurrentTransaction();
100        SQLiteDatabase db = getDatabaseHelper().getWritableDatabase();
101        transaction.startTransactionForDb(db, ContactsProvider2.PROFILE_DB_TAG, this);
102    }
103
104    @Override
105    protected void notifyChange() {
106        mDelegate.notifyChange();
107    }
108
109    protected void notifyChange(boolean syncToNetwork, boolean syncToMetadataNetWork) {
110        mDelegate.notifyChange(syncToNetwork, syncToMetadataNetWork);
111    }
112
113    protected Locale getLocale() {
114        return mDelegate.getLocale();
115    }
116
117    @Override
118    public void onBegin() {
119        mDelegate.onBeginTransactionInternal(true);
120    }
121
122    @Override
123    public void onCommit() {
124        mDelegate.onCommitTransactionInternal(true);
125        sendProfileChangedBroadcast();
126    }
127
128    @Override
129    public void onRollback() {
130        mDelegate.onRollbackTransactionInternal(true);
131    }
132
133    @Override
134    protected boolean yield(ContactsTransaction transaction) {
135        return mDelegate.yield(transaction);
136    }
137
138    @Override
139    public String getType(Uri uri) {
140        return mDelegate.getType(uri);
141    }
142
143    /** Use only for debug logging */
144    @Override
145    public String toString() {
146        return "ProfileProvider";
147    }
148
149    private void sendProfileChangedBroadcast() {
150        final Intent intent = new Intent(Intents.ACTION_PROFILE_CHANGED);
151        mDelegate.getContext().sendBroadcast(intent, READ_CONTACTS_PERMISSION);
152    }
153
154    @Override
155    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
156        dump(pw, "Profile");
157    }
158}
159