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/*
* Copyright (C) 2017 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.calllog.datasources.systemcalllog;
import android.Manifest.permission;
import android.annotation.TargetApi;
import android.content.ContentValues;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.Build;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.provider.CallLog;
import android.provider.CallLog.Calls;
import android.provider.VoicemailContract;
import android.provider.VoicemailContract.Voicemails;
import android.support.annotation.Nullable;
import android.support.annotation.RequiresApi;
import android.support.annotation.VisibleForTesting;
import android.support.annotation.WorkerThread;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import android.util.ArraySet;
import com.android.dialer.DialerPhoneNumber;
import com.android.dialer.calllog.database.AnnotatedCallLogDatabaseHelper;
import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
import com.android.dialer.calllog.datasources.CallLogDataSource;
import com.android.dialer.calllog.datasources.CallLogMutations;
import com.android.dialer.calllog.datasources.util.RowCombiner;
import com.android.dialer.calllog.observer.MarkDirtyObserver;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
import com.android.dialer.compat.android.provider.VoicemailCompat;
import com.android.dialer.duo.DuoConstants;
import com.android.dialer.inject.ApplicationContext;
import com.android.dialer.phonenumberproto.DialerPhoneNumberUtil;
import com.android.dialer.storage.Unencrypted;
import com.android.dialer.util.PermissionsUtil;
import com.google.common.collect.Iterables;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import javax.inject.Inject;
/**
* Responsible for defining the rows in the annotated call log and maintaining the columns in it
* which are derived from the system call log.
*/
@SuppressWarnings("MissingPermission")
public class SystemCallLogDataSource implements CallLogDataSource {
@VisibleForTesting
static final String PREF_LAST_TIMESTAMP_PROCESSED = "systemCallLogLastTimestampProcessed";
private final Context appContext;
private final ListeningExecutorService backgroundExecutorService;
private final MarkDirtyObserver markDirtyObserver;
private final SharedPreferences sharedPreferences;
private final AnnotatedCallLogDatabaseHelper annotatedCallLogDatabaseHelper;
@Nullable private Long lastTimestampProcessed;
@Inject
SystemCallLogDataSource(
@ApplicationContext Context appContext,
@BackgroundExecutor ListeningExecutorService backgroundExecutorService,
MarkDirtyObserver markDirtyObserver,
@Unencrypted SharedPreferences sharedPreferences,
AnnotatedCallLogDatabaseHelper annotatedCallLogDatabaseHelper) {
this.appContext = appContext;
this.backgroundExecutorService = backgroundExecutorService;
this.markDirtyObserver = markDirtyObserver;
this.sharedPreferences = sharedPreferences;
this.annotatedCallLogDatabaseHelper = annotatedCallLogDatabaseHelper;
}
@Override
public void registerContentObservers() {
LogUtil.enterBlock("SystemCallLogDataSource.registerContentObservers");
if (!PermissionsUtil.hasCallLogReadPermissions(appContext)) {
LogUtil.i("SystemCallLogDataSource.registerContentObservers", "no call log permissions");
return;
}
// TODO(zachh): Need to somehow register observers if user enables permission after launch?
// The system call log has a last updated timestamp, but deletes are physical (the "deleted"
// column is unused). This means that we can't detect deletes without scanning the entire table,
// which would be too slow. So, we just rely on content observers to trigger rebuilds when any
// change is made to the system call log.
appContext
.getContentResolver()
.registerContentObserver(CallLog.Calls.CONTENT_URI_WITH_VOICEMAIL, true, markDirtyObserver);
if (!PermissionsUtil.hasAddVoicemailPermissions(appContext)) {
LogUtil.i("SystemCallLogDataSource.registerContentObservers", "no add voicemail permissions");
return;
}
// TODO(uabdullah): Need to somehow register observers if user enables permission after launch?
appContext
.getContentResolver()
.registerContentObserver(VoicemailContract.Status.CONTENT_URI, true, markDirtyObserver);
}
@Override
public void unregisterContentObservers() {
appContext.getContentResolver().unregisterContentObserver(markDirtyObserver);
}
@Override
public ListenableFuture<Void> clearData() {
ListenableFuture<Void> deleteSharedPref =
backgroundExecutorService.submit(
() -> {
sharedPreferences.edit().remove(PREF_LAST_TIMESTAMP_PROCESSED).apply();
return null;
});
// TODO(zachh): Test re-enabling after deleting database like this.
return Futures.transform(
Futures.allAsList(deleteSharedPref, annotatedCallLogDatabaseHelper.delete()),
unused -> null,
MoreExecutors.directExecutor());
}
@Override
public ListenableFuture<Boolean> isDirty() {
return backgroundExecutorService.submit(this::isDirtyInternal);
}
@Override
public ListenableFuture<Void> fill(CallLogMutations mutations) {
return backgroundExecutorService.submit(() -> fillInternal(mutations));
}
@Override
public ListenableFuture<Void> onSuccessfulFill() {
return backgroundExecutorService.submit(this::onSuccessfulFillInternal);
}
@WorkerThread
private boolean isDirtyInternal() {
Assert.isWorkerThread();
/*
* The system call log has a last updated timestamp, but deletes are physical (the "deleted"
* column is unused). This means that we can't detect deletes without scanning the entire table,
* which would be too slow. So, we just rely on content observers to trigger rebuilds when any
* change is made to the system call log.
*
* Just return false unless the table has never been written to.
*/
return !sharedPreferences.contains(PREF_LAST_TIMESTAMP_PROCESSED);
}
@WorkerThread
private Void fillInternal(CallLogMutations mutations) {
Assert.isWorkerThread();
lastTimestampProcessed = null;
if (!PermissionsUtil.hasPermission(appContext, permission.READ_CALL_LOG)) {
LogUtil.i("SystemCallLogDataSource.fill", "no call log permissions");
return null;
}
// This data source should always run first so the mutations should always be empty.
Assert.checkArgument(mutations.isEmpty());
Set<Long> annotatedCallLogIds = getAnnotatedCallLogIds(appContext);
LogUtil.i(
"SystemCallLogDataSource.fill",
"found %d existing annotated call log ids",
annotatedCallLogIds.size());
handleInsertsAndUpdates(appContext, mutations, annotatedCallLogIds);
handleDeletes(appContext, annotatedCallLogIds, mutations);
return null;
}
@WorkerThread
private Void onSuccessfulFillInternal() {
// If a fill operation was a no-op, lastTimestampProcessed could still be null.
if (lastTimestampProcessed != null) {
sharedPreferences
.edit()
.putLong(PREF_LAST_TIMESTAMP_PROCESSED, lastTimestampProcessed)
.apply();
}
return null;
}
@Override
public ContentValues coalesce(List<ContentValues> individualRowsSortedByTimestampDesc) {
assertNoVoicemailsInRows(individualRowsSortedByTimestampDesc);
return new RowCombiner(individualRowsSortedByTimestampDesc)
.useMostRecentLong(AnnotatedCallLog.TIMESTAMP)
.useMostRecentLong(AnnotatedCallLog.NEW)
.useMostRecentLong(AnnotatedCallLog.IS_READ)
// Two different DialerPhoneNumbers could be combined if they are different but considered
// to be an "exact match" by libphonenumber; in this case we arbitrarily select the most
// recent one.
.useMostRecentBlob(AnnotatedCallLog.NUMBER)
.useMostRecentString(AnnotatedCallLog.FORMATTED_NUMBER)
.useSingleValueInt(AnnotatedCallLog.NUMBER_PRESENTATION)
.useMostRecentString(AnnotatedCallLog.GEOCODED_LOCATION)
.useSingleValueString(AnnotatedCallLog.PHONE_ACCOUNT_COMPONENT_NAME)
.useSingleValueString(AnnotatedCallLog.PHONE_ACCOUNT_ID)
.useMostRecentLong(AnnotatedCallLog.CALL_TYPE)
// If any call in a group includes a feature (like Wifi/HD), consider the group to have the
// feature.
.bitwiseOr(AnnotatedCallLog.FEATURES)
.combine();
}
private void assertNoVoicemailsInRows(List<ContentValues> individualRowsSortedByTimestampDesc) {
for (ContentValues contentValue : individualRowsSortedByTimestampDesc) {
if (contentValue.getAsLong(AnnotatedCallLog.CALL_TYPE) != null) {
Assert.checkArgument(
contentValue.getAsLong(AnnotatedCallLog.CALL_TYPE) != Calls.VOICEMAIL_TYPE);
}
}
}
@TargetApi(Build.VERSION_CODES.N) // Uses try-with-resources
private void handleInsertsAndUpdates(
Context appContext, CallLogMutations mutations, Set<Long> existingAnnotatedCallLogIds) {
long previousTimestampProcessed = sharedPreferences.getLong(PREF_LAST_TIMESTAMP_PROCESSED, 0L);
DialerPhoneNumberUtil dialerPhoneNumberUtil =
new DialerPhoneNumberUtil(PhoneNumberUtil.getInstance());
// TODO(zachh): Really should be getting last 1000 by timestamp, not by last modified.
try (Cursor cursor =
appContext
.getContentResolver()
.query(
Calls.CONTENT_URI_WITH_VOICEMAIL,
getProjection(),
Calls.LAST_MODIFIED + " > ? AND " + Voicemails.DELETED + " = 0",
new String[] {String.valueOf(previousTimestampProcessed)},
Calls.LAST_MODIFIED + " DESC LIMIT 1000")) {
if (cursor == null) {
LogUtil.e("SystemCallLogDataSource.handleInsertsAndUpdates", "null cursor");
return;
}
if (!cursor.moveToFirst()) {
LogUtil.i("SystemCallLogDataSource.handleInsertsAndUpdates", "no entries to insert/update");
return;
}
LogUtil.i(
"SystemCallLogDataSource.handleInsertsAndUpdates",
"found %d entries to insert/update",
cursor.getCount());
int idColumn = cursor.getColumnIndexOrThrow(Calls._ID);
int dateColumn = cursor.getColumnIndexOrThrow(Calls.DATE);
int lastModifiedColumn = cursor.getColumnIndexOrThrow(Calls.LAST_MODIFIED);
int numberColumn = cursor.getColumnIndexOrThrow(Calls.NUMBER);
int presentationColumn = cursor.getColumnIndexOrThrow(Calls.NUMBER_PRESENTATION);
int typeColumn = cursor.getColumnIndexOrThrow(Calls.TYPE);
int countryIsoColumn = cursor.getColumnIndexOrThrow(Calls.COUNTRY_ISO);
int durationsColumn = cursor.getColumnIndexOrThrow(Calls.DURATION);
int dataUsageColumn = cursor.getColumnIndexOrThrow(Calls.DATA_USAGE);
int transcriptionColumn = cursor.getColumnIndexOrThrow(Calls.TRANSCRIPTION);
int voicemailUriColumn = cursor.getColumnIndexOrThrow(Calls.VOICEMAIL_URI);
int isReadColumn = cursor.getColumnIndexOrThrow(Calls.IS_READ);
int newColumn = cursor.getColumnIndexOrThrow(Calls.NEW);
int geocodedLocationColumn = cursor.getColumnIndexOrThrow(Calls.GEOCODED_LOCATION);
int phoneAccountComponentColumn =
cursor.getColumnIndexOrThrow(Calls.PHONE_ACCOUNT_COMPONENT_NAME);
int phoneAccountIdColumn = cursor.getColumnIndexOrThrow(Calls.PHONE_ACCOUNT_ID);
int featuresColumn = cursor.getColumnIndexOrThrow(Calls.FEATURES);
int postDialDigitsColumn = cursor.getColumnIndexOrThrow(Calls.POST_DIAL_DIGITS);
// The cursor orders by LAST_MODIFIED DESC, so the first result is the most recent timestamp
// processed.
lastTimestampProcessed = cursor.getLong(lastModifiedColumn);
do {
long id = cursor.getLong(idColumn);
long date = cursor.getLong(dateColumn);
String numberAsStr = cursor.getString(numberColumn);
int type;
if (cursor.isNull(typeColumn) || (type = cursor.getInt(typeColumn)) == 0) {
// CallLog.Calls#TYPE lists the allowed values, which are non-null and non-zero.
throw new IllegalStateException("call type is missing");
}
int presentation;
if (cursor.isNull(presentationColumn)
|| (presentation = cursor.getInt(presentationColumn)) == 0) {
// CallLog.Calls#NUMBER_PRESENTATION lists the allowed values, which are non-null and
// non-zero.
throw new IllegalStateException("presentation is missing");
}
String countryIso = cursor.getString(countryIsoColumn);
int duration = cursor.getInt(durationsColumn);
int dataUsage = cursor.getInt(dataUsageColumn);
String transcription = cursor.getString(transcriptionColumn);
String voicemailUri = cursor.getString(voicemailUriColumn);
int isRead = cursor.getInt(isReadColumn);
int isNew = cursor.getInt(newColumn);
String geocodedLocation = cursor.getString(geocodedLocationColumn);
String phoneAccountComponentName = cursor.getString(phoneAccountComponentColumn);
String phoneAccountId = cursor.getString(phoneAccountIdColumn);
int features = cursor.getInt(featuresColumn);
String postDialDigits = cursor.getString(postDialDigitsColumn);
// Exclude Duo audio calls.
if (isDuoAudioCall(phoneAccountComponentName, features)) {
continue;
}
ContentValues contentValues = new ContentValues();
contentValues.put(AnnotatedCallLog.TIMESTAMP, date);
if (!TextUtils.isEmpty(numberAsStr)) {
String numberWithPostDialDigits =
postDialDigits == null ? numberAsStr : numberAsStr + postDialDigits;
DialerPhoneNumber dialerPhoneNumber =
dialerPhoneNumberUtil.parse(numberWithPostDialDigits, countryIso);
contentValues.put(AnnotatedCallLog.NUMBER, dialerPhoneNumber.toByteArray());
String formattedNumber =
PhoneNumberUtils.formatNumber(numberWithPostDialDigits, countryIso);
if (formattedNumber == null) {
formattedNumber = numberWithPostDialDigits;
}
contentValues.put(AnnotatedCallLog.FORMATTED_NUMBER, formattedNumber);
} else {
contentValues.put(
AnnotatedCallLog.NUMBER, DialerPhoneNumber.getDefaultInstance().toByteArray());
}
contentValues.put(AnnotatedCallLog.NUMBER_PRESENTATION, presentation);
contentValues.put(AnnotatedCallLog.CALL_TYPE, type);
contentValues.put(AnnotatedCallLog.IS_READ, isRead);
contentValues.put(AnnotatedCallLog.NEW, isNew);
contentValues.put(AnnotatedCallLog.GEOCODED_LOCATION, geocodedLocation);
contentValues.put(AnnotatedCallLog.PHONE_ACCOUNT_COMPONENT_NAME, phoneAccountComponentName);
contentValues.put(AnnotatedCallLog.PHONE_ACCOUNT_ID, phoneAccountId);
contentValues.put(AnnotatedCallLog.FEATURES, features);
contentValues.put(AnnotatedCallLog.DURATION, duration);
contentValues.put(AnnotatedCallLog.DATA_USAGE, dataUsage);
contentValues.put(AnnotatedCallLog.TRANSCRIPTION, transcription);
contentValues.put(AnnotatedCallLog.VOICEMAIL_URI, voicemailUri);
setTranscriptionState(cursor, contentValues);
if (existingAnnotatedCallLogIds.contains(id)) {
mutations.update(id, contentValues);
} else {
mutations.insert(id, contentValues);
}
} while (cursor.moveToNext());
}
}
/**
* Returns true if the phone account component name and the features belong to a Duo audio call.
*
* <p>Characteristics of a Duo audio call are as follows.
*
* <ul>
* <li>The phone account component name is {@link DuoConstants#PHONE_ACCOUNT_COMPONENT_NAME};
* and
* <li>The features don't include {@link Calls#FEATURES_VIDEO}.
* </ul>
*
* <p>It is the caller's responsibility to ensure the phone account component name and the
* features come from the same call log entry.
*/
private static boolean isDuoAudioCall(@Nullable String phoneAccountComponentName, int features) {
return DuoConstants.PHONE_ACCOUNT_COMPONENT_NAME
.flattenToString()
.equals(phoneAccountComponentName)
&& ((features & Calls.FEATURES_VIDEO) != Calls.FEATURES_VIDEO);
}
private void setTranscriptionState(Cursor cursor, ContentValues contentValues) {
if (VERSION.SDK_INT >= VERSION_CODES.O) {
int transcriptionStateColumn =
cursor.getColumnIndexOrThrow(VoicemailCompat.TRANSCRIPTION_STATE);
int transcriptionState = cursor.getInt(transcriptionStateColumn);
contentValues.put(VoicemailCompat.TRANSCRIPTION_STATE, transcriptionState);
}
}
private static final String[] PROJECTION_PRE_O =
new String[] {
Calls._ID,
Calls.DATE,
Calls.LAST_MODIFIED,
Calls.NUMBER,
Calls.NUMBER_PRESENTATION,
Calls.TYPE,
Calls.COUNTRY_ISO,
Calls.DURATION,
Calls.DATA_USAGE,
Calls.TRANSCRIPTION,
Calls.VOICEMAIL_URI,
Calls.IS_READ,
Calls.NEW,
Calls.GEOCODED_LOCATION,
Calls.PHONE_ACCOUNT_COMPONENT_NAME,
Calls.PHONE_ACCOUNT_ID,
Calls.FEATURES,
Calls.POST_DIAL_DIGITS
};
@RequiresApi(VERSION_CODES.O)
private static final String[] PROJECTION_O_AND_LATER;
static {
List<String> projectionList = new ArrayList<>(Arrays.asList(PROJECTION_PRE_O));
projectionList.add(VoicemailCompat.TRANSCRIPTION_STATE);
PROJECTION_O_AND_LATER = projectionList.toArray(new String[projectionList.size()]);
}
private String[] getProjection() {
if (VERSION.SDK_INT >= VERSION_CODES.O) {
return PROJECTION_O_AND_LATER;
}
return PROJECTION_PRE_O;
}
private static void handleDeletes(
Context appContext, Set<Long> existingAnnotatedCallLogIds, CallLogMutations mutations) {
Set<Long> systemCallLogIds =
getIdsFromSystemCallLogThatMatch(appContext, existingAnnotatedCallLogIds);
LogUtil.i(
"SystemCallLogDataSource.handleDeletes",
"found %d matching entries in system call log",
systemCallLogIds.size());
Set<Long> idsInAnnotatedCallLogNoLongerInSystemCallLog = new ArraySet<>();
idsInAnnotatedCallLogNoLongerInSystemCallLog.addAll(existingAnnotatedCallLogIds);
idsInAnnotatedCallLogNoLongerInSystemCallLog.removeAll(systemCallLogIds);
LogUtil.i(
"SystemCallLogDataSource.handleDeletes",
"found %d call log entries to remove",
idsInAnnotatedCallLogNoLongerInSystemCallLog.size());
for (long id : idsInAnnotatedCallLogNoLongerInSystemCallLog) {
mutations.delete(id);
}
}
@TargetApi(Build.VERSION_CODES.N) // Uses try-with-resources
private static Set<Long> getAnnotatedCallLogIds(Context appContext) {
ArraySet<Long> ids = new ArraySet<>();
try (Cursor cursor =
appContext
.getContentResolver()
.query(
AnnotatedCallLog.CONTENT_URI,
new String[] {AnnotatedCallLog._ID},
null,
null,
null)) {
if (cursor == null) {
LogUtil.e("SystemCallLogDataSource.getAnnotatedCallLogIds", "null cursor");
return ids;
}
if (cursor.moveToFirst()) {
int idColumn = cursor.getColumnIndexOrThrow(AnnotatedCallLog._ID);
do {
ids.add(cursor.getLong(idColumn));
} while (cursor.moveToNext());
}
}
return ids;
}
@TargetApi(Build.VERSION_CODES.N) // Uses try-with-resources
private static Set<Long> getIdsFromSystemCallLogThatMatch(
Context appContext, Set<Long> matchingIds) {
ArraySet<Long> ids = new ArraySet<>();
// Batch the select statements into chunks of 999, the maximum size for SQLite selection args.
Iterable<List<Long>> batches = Iterables.partition(matchingIds, 999);
for (List<Long> idsInBatch : batches) {
String[] questionMarks = new String[idsInBatch.size()];
Arrays.fill(questionMarks, "?");
String whereClause = (Calls._ID + " in (") + TextUtils.join(",", questionMarks) + ")";
String[] whereArgs = new String[idsInBatch.size()];
int i = 0;
for (long id : idsInBatch) {
whereArgs[i++] = String.valueOf(id);
}
try (Cursor cursor =
appContext
.getContentResolver()
.query(
Calls.CONTENT_URI_WITH_VOICEMAIL,
new String[] {Calls._ID},
whereClause,
whereArgs,
null)) {
if (cursor == null) {
LogUtil.e("SystemCallLogDataSource.getIdsFromSystemCallLog", "null cursor");
return ids;
}
if (cursor.moveToFirst()) {
int idColumn = cursor.getColumnIndexOrThrow(Calls._ID);
do {
ids.add(cursor.getLong(idColumn));
} while (cursor.moveToNext());
}
}
}
return ids;
}
}
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