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/*
* Copyright (C) 2009 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.contacts.editor;
import com.android.contacts.common.model.AccountTypeManager;
import com.android.contacts.common.model.RawContactDelta;
import com.android.contacts.common.model.account.AccountType;
import com.android.contacts.common.model.account.GoogleAccountType;
import android.content.Context;
import android.provider.ContactsContract.RawContacts;
import java.util.Comparator;
/**
* Compares {@link RawContactDelta}s
*/
class RawContactDeltaComparator implements Comparator<RawContactDelta> {
private Context mContext;
public RawContactDeltaComparator(Context context) {
mContext = context;
}
@Override
public int compare(RawContactDelta one, RawContactDelta two) {
// Check direct equality
if (one.equals(two)) {
return 0;
}
final AccountTypeManager accountTypes = AccountTypeManager.getInstance(mContext);
String accountType1 = one.getValues().getAsString(RawContacts.ACCOUNT_TYPE);
String dataSet1 = one.getValues().getAsString(RawContacts.DATA_SET);
final AccountType type1 = accountTypes.getAccountType(accountType1, dataSet1);
String accountType2 = two.getValues().getAsString(RawContacts.ACCOUNT_TYPE);
String dataSet2 = two.getValues().getAsString(RawContacts.DATA_SET);
final AccountType type2 = accountTypes.getAccountType(accountType2, dataSet2);
// Check read-only. Sort read/write before read-only.
if (!type1.areContactsWritable() && type2.areContactsWritable()) {
return 1;
} else if (type1.areContactsWritable() && !type2.areContactsWritable()) {
return -1;
}
// Check account type. Sort Google before non-Google.
boolean skipAccountTypeCheck = false;
boolean isGoogleAccount1 = type1 instanceof GoogleAccountType;
boolean isGoogleAccount2 = type2 instanceof GoogleAccountType;
if (isGoogleAccount1 && !isGoogleAccount2) {
return -1;
} else if (!isGoogleAccount1 && isGoogleAccount2) {
return 1;
} else if (isGoogleAccount1 && isGoogleAccount2) {
skipAccountTypeCheck = true;
}
int value;
if (!skipAccountTypeCheck) {
// Sort accounts with type before accounts without types.
if (type1.accountType != null && type2.accountType == null) {
return -1;
} else if (type1.accountType == null && type2.accountType != null) {
return 1;
}
if (type1.accountType != null && type2.accountType != null) {
value = type1.accountType.compareTo(type2.accountType);
if (value != 0) {
return value;
}
}
// Fall back to data set. Sort accounts with data sets before
// those without.
if (type1.dataSet != null && type2.dataSet == null) {
return -1;
} else if (type1.dataSet == null && type2.dataSet != null) {
return 1;
}
if (type1.dataSet != null && type2.dataSet != null) {
value = type1.dataSet.compareTo(type2.dataSet);
if (value != 0) {
return value;
}
}
}
// Check account name
String oneAccount = one.getAccountName();
if (oneAccount == null) {
oneAccount = "";
}
String twoAccount = two.getAccountName();
if (twoAccount == null) {
twoAccount = "";
}
value = oneAccount.compareTo(twoAccount);
if (value != 0) {
return value;
}
// Both are in the same account, fall back to contact ID
Long oneId = one.getRawContactId();
Long twoId = two.getRawContactId();
if (oneId == null) {
return -1;
} else if (twoId == null) {
return 1;
}
return (int) (oneId - twoId);
}
}
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