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/*
* Copyright (C) 2018 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.dialer.phonelookup.cp2;
import android.content.Context;
import android.database.Cursor;
import com.android.dialer.DialerPhoneNumber;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
import com.android.dialer.common.concurrent.Annotations.LightweightExecutor;
import com.android.dialer.common.database.Selection;
import com.android.dialer.inject.ApplicationContext;
import com.android.dialer.phonelookup.PhoneLookupInfo;
import com.android.dialer.phonelookup.PhoneLookupInfo.Cp2Info;
import com.android.dialer.phonelookup.database.contract.PhoneLookupHistoryContract.PhoneLookupHistory;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.protobuf.InvalidProtocolBufferException;
import java.util.function.Predicate;
import javax.inject.Inject;
/** Shared logic for handling missing permissions in CP2 lookups. */
@SuppressWarnings("AndroidApiChecker") // Use of Java 8 APIs.
final class MissingPermissionsOperations {
private final Context appContext;
private final ListeningExecutorService backgroundExecutor;
private final ListeningExecutorService lightweightExecutor;
@Inject
MissingPermissionsOperations(
@ApplicationContext Context appContext,
@BackgroundExecutor ListeningExecutorService backgroundExecutor,
@LightweightExecutor ListeningExecutorService lightweightExecutor) {
this.appContext = appContext;
this.backgroundExecutor = backgroundExecutor;
this.lightweightExecutor = lightweightExecutor;
}
/**
* Returns true if there is any CP2 data for the specified numbers in PhoneLookupHistory, because
* that data needs to be cleared.
*
* <p>Note: This might be a little slow for users without contacts permissions, but we don't
* expect this to often be the case. If necessary, a shared pref could be used to track the
* permission state as an optimization.
*/
ListenableFuture<Boolean> isDirtyForMissingPermissions(
ImmutableSet<DialerPhoneNumber> phoneNumbers,
Predicate<PhoneLookupInfo> phoneLookupInfoIsDirtyFn) {
return backgroundExecutor.submit(
() -> {
// Note: This loses country info when number is not valid.
String[] normalizedNumbers =
phoneNumbers
.stream()
.map(DialerPhoneNumber::getNormalizedNumber)
.toArray(String[]::new);
Selection selection =
Selection.builder()
.and(Selection.column(PhoneLookupHistory.NORMALIZED_NUMBER).in(normalizedNumbers))
.build();
try (Cursor cursor =
appContext
.getContentResolver()
.query(
PhoneLookupHistory.CONTENT_URI,
new String[] {
PhoneLookupHistory.PHONE_LOOKUP_INFO,
},
selection.getSelection(),
selection.getSelectionArgs(),
null)) {
if (cursor == null) {
LogUtil.w("MissingPermissionsOperations.isDirtyForMissingPermissions", "null cursor");
return false;
}
if (cursor.moveToFirst()) {
int phoneLookupInfoColumn =
cursor.getColumnIndexOrThrow(PhoneLookupHistory.PHONE_LOOKUP_INFO);
do {
PhoneLookupInfo phoneLookupInfo;
try {
phoneLookupInfo =
PhoneLookupInfo.parseFrom(cursor.getBlob(phoneLookupInfoColumn));
} catch (InvalidProtocolBufferException e) {
throw new IllegalStateException(e);
}
if (phoneLookupInfoIsDirtyFn.test(phoneLookupInfo)) {
return true;
}
} while (cursor.moveToNext());
}
}
return false;
});
}
/** Clears all CP2 info because permissions are missing. */
ListenableFuture<ImmutableMap<DialerPhoneNumber, Cp2Info>> getMostRecentInfoForMissingPermissions(
ImmutableMap<DialerPhoneNumber, Cp2Info> existingInfoMap) {
return lightweightExecutor.submit(
() -> {
ImmutableMap.Builder<DialerPhoneNumber, Cp2Info> clearedInfos = ImmutableMap.builder();
for (DialerPhoneNumber number : existingInfoMap.keySet()) {
clearedInfos.put(number, Cp2Info.getDefaultInstance());
}
return clearedInfos.build();
});
}
}
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