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      1 /*
      2  * Copyright (C) 2010 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 
     17 package com.android.providers.contacts;
     18 
     19 import com.google.android.collect.Maps;
     20 import com.google.android.collect.Sets;
     21 
     22 import java.util.HashMap;
     23 import java.util.HashSet;
     24 import java.util.Map.Entry;
     25 import java.util.Set;
     26 
     27 /**
     28  * Accumulates information for an entire transaction. {@link ContactsProvider2} consumes
     29  * it at commit time.
     30  */
     31 public class TransactionContext  {
     32 
     33     private final boolean mForProfile;
     34     /** Map from raw contact id to account Id */
     35     private HashMap<Long, Long> mInsertedRawContactsAccounts;
     36     private HashSet<Long> mUpdatedRawContacts;
     37     private HashSet<Long> mDirtyRawContacts;
     38     // Set used to track what has been changed and deleted. This is needed so we can update the
     39     // contact last touch timestamp.  Dirty set above is only set when sync adapter is false.
     40     // {@see android.provider.ContactsContract#CALLER_IS_SYNCADAPTER}. While the set below will
     41     // contain all changed contacts.
     42     private HashSet<Long> mChangedRawContacts;
     43     private HashSet<Long> mStaleSearchIndexRawContacts;
     44     private HashSet<Long> mStaleSearchIndexContacts;
     45     private HashMap<Long, Object> mUpdatedSyncStates;
     46 
     47     public TransactionContext(boolean forProfile) {
     48         mForProfile = forProfile;
     49     }
     50 
     51     public boolean isForProfile() {
     52         return mForProfile;
     53     }
     54 
     55     public void rawContactInserted(long rawContactId, long accountId) {
     56         if (mInsertedRawContactsAccounts == null) mInsertedRawContactsAccounts = Maps.newHashMap();
     57         mInsertedRawContactsAccounts.put(rawContactId, accountId);
     58 
     59         markRawContactChangedOrDeletedOrInserted(rawContactId);
     60     }
     61 
     62     public void rawContactUpdated(long rawContactId) {
     63         if (mUpdatedRawContacts == null) mUpdatedRawContacts = Sets.newHashSet();
     64         mUpdatedRawContacts.add(rawContactId);
     65     }
     66 
     67     public void markRawContactDirtyAndChanged(long rawContactId, boolean isSyncAdapter) {
     68         if (!isSyncAdapter) {
     69             if (mDirtyRawContacts == null) {
     70                 mDirtyRawContacts = Sets.newHashSet();
     71             }
     72             mDirtyRawContacts.add(rawContactId);
     73         }
     74 
     75         markRawContactChangedOrDeletedOrInserted(rawContactId);
     76     }
     77 
     78     public void markRawContactChangedOrDeletedOrInserted(long rawContactId) {
     79         if (mChangedRawContacts == null) {
     80             mChangedRawContacts = Sets.newHashSet();
     81         }
     82         mChangedRawContacts.add(rawContactId);
     83     }
     84 
     85     public void syncStateUpdated(long rowId, Object data) {
     86         if (mUpdatedSyncStates == null) mUpdatedSyncStates = Maps.newHashMap();
     87         mUpdatedSyncStates.put(rowId, data);
     88     }
     89 
     90     public void invalidateSearchIndexForRawContact(long rawContactId) {
     91         if (mStaleSearchIndexRawContacts == null) mStaleSearchIndexRawContacts = Sets.newHashSet();
     92         mStaleSearchIndexRawContacts.add(rawContactId);
     93     }
     94 
     95     public void invalidateSearchIndexForContact(long contactId) {
     96         if (mStaleSearchIndexContacts == null) mStaleSearchIndexContacts = Sets.newHashSet();
     97         mStaleSearchIndexContacts.add(contactId);
     98     }
     99 
    100     public Set<Long> getInsertedRawContactIds() {
    101         if (mInsertedRawContactsAccounts == null) mInsertedRawContactsAccounts = Maps.newHashMap();
    102         return mInsertedRawContactsAccounts.keySet();
    103     }
    104 
    105     public Set<Long> getUpdatedRawContactIds() {
    106         if (mUpdatedRawContacts == null) mUpdatedRawContacts = Sets.newHashSet();
    107         return mUpdatedRawContacts;
    108     }
    109 
    110     public Set<Long> getDirtyRawContactIds() {
    111         if (mDirtyRawContacts == null) mDirtyRawContacts = Sets.newHashSet();
    112         return mDirtyRawContacts;
    113     }
    114 
    115     public Set<Long> getChangedRawContactIds() {
    116         if (mChangedRawContacts == null) mChangedRawContacts = Sets.newHashSet();
    117         return mChangedRawContacts;
    118     }
    119 
    120     public Set<Long> getStaleSearchIndexRawContactIds() {
    121         if (mStaleSearchIndexRawContacts == null) mStaleSearchIndexRawContacts = Sets.newHashSet();
    122         return mStaleSearchIndexRawContacts;
    123     }
    124 
    125     public Set<Long> getStaleSearchIndexContactIds() {
    126         if (mStaleSearchIndexContacts == null) mStaleSearchIndexContacts = Sets.newHashSet();
    127         return mStaleSearchIndexContacts;
    128     }
    129 
    130     public Set<Entry<Long, Object>> getUpdatedSyncStates() {
    131         if (mUpdatedSyncStates == null) mUpdatedSyncStates = Maps.newHashMap();
    132         return mUpdatedSyncStates.entrySet();
    133     }
    134 
    135     public Long getAccountIdOrNullForRawContact(long rawContactId) {
    136         if (mInsertedRawContactsAccounts == null) mInsertedRawContactsAccounts = Maps.newHashMap();
    137         return mInsertedRawContactsAccounts.get(rawContactId);
    138     }
    139 
    140     public boolean isNewRawContact(long rawContactId) {
    141         if (mInsertedRawContactsAccounts == null) mInsertedRawContactsAccounts = Maps.newHashMap();
    142         return mInsertedRawContactsAccounts.containsKey(rawContactId);
    143     }
    144 
    145     public void clearExceptSearchIndexUpdates() {
    146         mInsertedRawContactsAccounts = null;
    147         mUpdatedRawContacts = null;
    148         mUpdatedSyncStates = null;
    149         mDirtyRawContacts = null;
    150         mChangedRawContacts = null;
    151     }
    152 
    153     public void clearSearchIndexUpdates() {
    154         mStaleSearchIndexRawContacts = null;
    155         mStaleSearchIndexContacts = null;
    156     }
    157 
    158     public void clearAll() {
    159         clearExceptSearchIndexUpdates();
    160         clearSearchIndexUpdates();
    161     }
    162 }
    163