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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.blockednumber;
import android.annotation.TargetApi;
import android.content.Context;
import android.database.Cursor;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.provider.BlockedNumberContract.BlockedNumbers;
import android.support.annotation.NonNull;
import android.support.annotation.WorkerThread;
import android.util.ArraySet;
import com.android.dialer.DialerPhoneNumber;
import com.android.dialer.blocking.FilteredNumberCompat;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
import com.android.dialer.common.database.Selection;
import com.android.dialer.inject.ApplicationContext;
import com.android.dialer.phonelookup.PhoneLookup;
import com.android.dialer.phonelookup.PhoneLookupInfo;
import com.android.dialer.phonelookup.PhoneLookupInfo.BlockedState;
import com.android.dialer.phonelookup.PhoneLookupInfo.Builder;
import com.android.dialer.phonelookup.PhoneLookupInfo.SystemBlockedNumberInfo;
import com.android.dialer.phonenumberproto.PartitionedNumbers;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import java.util.Set;
import javax.inject.Inject;
/**
* Lookup blocked numbers in the system database. Requires N+ and migration from dialer database
* completed (need user consent to move data into system).
*/
public class SystemBlockedNumberPhoneLookup implements PhoneLookup<SystemBlockedNumberInfo> {
private final Context appContext;
private final ListeningExecutorService executorService;
@Inject
SystemBlockedNumberPhoneLookup(
@ApplicationContext Context appContext,
@BackgroundExecutor ListeningExecutorService executorService) {
this.appContext = appContext;
this.executorService = executorService;
}
@Override
public ListenableFuture<SystemBlockedNumberInfo> lookup(@NonNull DialerPhoneNumber number) {
if (!FilteredNumberCompat.useNewFiltering(appContext)) {
return Futures.immediateFuture(SystemBlockedNumberInfo.getDefaultInstance());
}
return executorService.submit(
() -> {
return queryNumbers(ImmutableSet.of(number)).get(number);
});
}
@Override
public ListenableFuture<Boolean> isDirty(ImmutableSet<DialerPhoneNumber> phoneNumbers) {
// Dirty state is recorded with PhoneLookupDataSource.markDirtyAndNotify(), which will force
// rebuild with the CallLogFramework
return Futures.immediateFuture(false);
}
@Override
public ListenableFuture<ImmutableMap<DialerPhoneNumber, SystemBlockedNumberInfo>>
getMostRecentInfo(ImmutableMap<DialerPhoneNumber, SystemBlockedNumberInfo> existingInfoMap) {
LogUtil.enterBlock("SystemBlockedNumberPhoneLookup.getMostRecentPhoneLookupInfo");
if (!FilteredNumberCompat.useNewFiltering(appContext)) {
return Futures.immediateFuture(existingInfoMap);
}
return executorService.submit(() -> queryNumbers(existingInfoMap.keySet()));
}
@WorkerThread
@TargetApi(VERSION_CODES.N)
private ImmutableMap<DialerPhoneNumber, SystemBlockedNumberInfo> queryNumbers(
ImmutableSet<DialerPhoneNumber> numbers) {
Assert.isWorkerThread();
PartitionedNumbers partitionedNumbers = new PartitionedNumbers(numbers);
Set<DialerPhoneNumber> blockedNumbers = new ArraySet<>();
Selection normalizedSelection =
Selection.column(BlockedNumbers.COLUMN_E164_NUMBER)
.in(partitionedNumbers.validE164Numbers());
try (Cursor cursor =
appContext
.getContentResolver()
.query(
BlockedNumbers.CONTENT_URI,
new String[] {BlockedNumbers.COLUMN_E164_NUMBER},
normalizedSelection.getSelection(),
normalizedSelection.getSelectionArgs(),
null)) {
while (cursor != null && cursor.moveToNext()) {
blockedNumbers.addAll(
partitionedNumbers.dialerPhoneNumbersForValidE164(cursor.getString(0)));
}
}
Selection rawSelection =
Selection.column(BlockedNumbers.COLUMN_ORIGINAL_NUMBER)
.in(partitionedNumbers.invalidNumbers());
try (Cursor cursor =
appContext
.getContentResolver()
.query(
BlockedNumbers.CONTENT_URI,
new String[] {BlockedNumbers.COLUMN_ORIGINAL_NUMBER},
rawSelection.getSelection(),
rawSelection.getSelectionArgs(),
null)) {
while (cursor != null && cursor.moveToNext()) {
blockedNumbers.addAll(partitionedNumbers.dialerPhoneNumbersForInvalid(cursor.getString(0)));
}
}
ImmutableMap.Builder<DialerPhoneNumber, SystemBlockedNumberInfo> result =
ImmutableMap.builder();
for (DialerPhoneNumber number : numbers) {
result.put(
number,
SystemBlockedNumberInfo.newBuilder()
.setBlockedState(
blockedNumbers.contains(number) ? BlockedState.BLOCKED : BlockedState.NOT_BLOCKED)
.build());
}
return result.build();
}
@Override
public void setSubMessage(Builder phoneLookupInfo, SystemBlockedNumberInfo subMessage) {
phoneLookupInfo.setSystemBlockedNumberInfo(subMessage);
}
@Override
public SystemBlockedNumberInfo getSubMessage(PhoneLookupInfo phoneLookupInfo) {
return phoneLookupInfo.getSystemBlockedNumberInfo();
}
@Override
public ListenableFuture<Void> onSuccessfulBulkUpdate() {
return Futures.immediateFuture(null);
}
@Override
public void registerContentObservers(
Context appContext, ContentObserverCallbacks contentObserverCallbacks) {
if (VERSION.SDK_INT < VERSION_CODES.N) {
return;
}
appContext
.getContentResolver()
.registerContentObserver(
BlockedNumbers.CONTENT_URI,
true, // BlockedNumbers notifies on the item
new MarkDirtyObserver(appContext, contentObserverCallbacks));
}
}
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