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1 /*
2  * Copyright (C) 2016 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 package com.android.bluetooth.pbapclient;
17 
18 import android.accounts.Account;
19 import android.content.ContentProviderOperation;
20 import android.content.ContentResolver;
21 import android.content.Context;
22 import android.content.OperationApplicationException;
23 import android.os.RemoteException;
24 import android.provider.ContactsContract;
25 import android.util.Log;
26 
27 import com.android.vcard.VCardEntry;
28 
29 import java.util.ArrayList;
30 
31 public class PhonebookPullRequest extends PullRequest {
32     private static final int MAX_OPS = 250;
33     private static final boolean VDBG = Utils.VDBG;
34     private static final String TAG = "PbapPbPullRequest";
35 
36     private final Account mAccount;
37     private final Context mContext;
38     public boolean complete = false;
39 
PhonebookPullRequest(Context context, Account account)40     public PhonebookPullRequest(Context context, Account account) {
41         mContext = context;
42         mAccount = account;
43         path = PbapClientConnectionHandler.PB_PATH;
44     }
45 
46 
47     @Override
onPullComplete()48     public void onPullComplete() {
49         if (mEntries == null) {
50             Log.e(TAG, "onPullComplete entries is null.");
51             return;
52         }
53         if (VDBG) {
54             Log.d(TAG, "onPullComplete with " + mEntries.size() + " count.");
55         }
56 
57         try {
58             ContentResolver contactsProvider = mContext.getContentResolver();
59             ArrayList<ContentProviderOperation> insertOperations = new ArrayList<>();
60             ArrayList<ContentProviderOperation> currentContactOperations;
61             // Group insert operations together to minimize inter process communication and improve
62             // processing time.
63             for (VCardEntry e : mEntries) {
64                 if (Thread.currentThread().isInterrupted()) {
65                     Log.e(TAG, "Interrupted durring insert.");
66                     break;
67                 }
68                 int numberOfOperations = insertOperations.size();
69                 // Append current vcard to list of insert operations.
70                 e.constructInsertOperations(contactsProvider, insertOperations);
71                 if (insertOperations.size() >= MAX_OPS) {
72                     // If we have exceded the limit to the insert operation remove the latest vcard
73                     // and submit.
74                     insertOperations.subList(numberOfOperations, insertOperations.size()).clear();
75                     contactsProvider.applyBatch(ContactsContract.AUTHORITY, insertOperations);
76                     insertOperations = e.constructInsertOperations(contactsProvider, null);
77                     if (insertOperations.size() >= MAX_OPS) {
78                         // Current VCard has more than 500 attributes, drop the card.
79                         insertOperations.clear();
80                     }
81                 }
82             }
83             if (insertOperations.size() > 0) {
84                 // Apply any unsubmitted vcards.
85                 contactsProvider.applyBatch(ContactsContract.AUTHORITY, insertOperations);
86                 insertOperations.clear();
87             }
88             if (VDBG) {
89                 Log.d(TAG, "Sync complete: add=" + mEntries.size());
90             }
91         } catch (OperationApplicationException | RemoteException | NumberFormatException e) {
92             Log.e(TAG, "Got exception: ", e);
93         } finally {
94             complete = true;
95         }
96     }
97 }
98