/**
* Copyright (C) 2011 Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms.recipients;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.PhoneLookup;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.color.MaterialColor;
import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
import org.thoughtcrime.securesms.contacts.avatars.ContactPhoto;
import org.thoughtcrime.securesms.contacts.avatars.ContactPhotoFactory;
import org.thoughtcrime.securesms.database.CanonicalAddressDatabase;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.GroupDatabase;
import org.thoughtcrime.securesms.database.RecipientPreferenceDatabase.RecipientsPreferences;
import org.thoughtcrime.securesms.util.GroupUtil;
import org.thoughtcrime.securesms.util.LRUCache;
import org.thoughtcrime.securesms.util.ListenableFutureTask;
import org.thoughtcrime.securesms.util.Util;
import org.whispersystems.libsignal.util.guava.Optional;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
class RecipientProvider {
private static final String TAG = RecipientProvider.class.getSimpleName();
private static final RecipientCache recipientCache = new RecipientCache();
private static final RecipientsCache recipientsCache = new RecipientsCache();
private static final ExecutorService asyncRecipientResolver = Util.newSingleThreadedLifoExecutor();
private static final String[] CALLER_ID_PROJECTION = new String[] {
PhoneLookup.DISPLAY_NAME,
PhoneLookup.LOOKUP_KEY,
PhoneLookup._ID,
PhoneLookup.NUMBER,
PhoneLookup.LABEL
};
private static final Map<String, RecipientDetails> STATIC_DETAILS = new HashMap<String, RecipientDetails>() {{
put("262966", new RecipientDetails("Amazon", "262966", null, null,
ContactPhotoFactory.getResourceContactPhoto(R.drawable.ic_amazon),
ContactColors.UNKNOWN_COLOR));
}};
@NonNull Recipient getRecipient(Context context, long recipientId, boolean asynchronous) {
Recipient cachedRecipient = recipientCache.get(recipientId);
if (cachedRecipient != null && !cachedRecipient.isStale() && (asynchronous || !cachedRecipient.isResolving())) {
return cachedRecipient;
}
String number = CanonicalAddressDatabase.getInstance(context).getAddressFromId(recipientId);
if (asynchronous) {
cachedRecipient = new Recipient(recipientId, number, cachedRecipient, getRecipientDetailsAsync(context, recipientId, number));
} else {
cachedRecipient = new Recipient(recipientId, getRecipientDetailsSync(context, recipientId, number));
}
recipientCache.set(recipientId, cachedRecipient);
return cachedRecipient;
}
@NonNull Recipients getRecipients(Context context, long[] recipientIds, boolean asynchronous) {
Recipients cachedRecipients = recipientsCache.get(new RecipientIds(recipientIds));
if (cachedRecipients != null && !cachedRecipients.isStale() && (asynchronous || !cachedRecipients.isResolving())) {
return cachedRecipients;
}
List<Recipient> recipientList = new LinkedList<>();
for (long recipientId : recipientIds) {
recipientList.add(getRecipient(context, recipientId, asynchronous));
}
if (asynchronous) cachedRecipients = new Recipients(recipientList, cachedRecipients, getRecipientsPreferencesAsync(context, recipientIds));
else cachedRecipients = new Recipients(recipientList, getRecipientsPreferencesSync(context, recipientIds));
recipientsCache.set(new RecipientIds(recipientIds), cachedRecipients);
return cachedRecipients;
}
void clearCache() {
recipientCache.reset();
recipientsCache.reset();
}
private @NonNull ListenableFutureTask<RecipientDetails> getRecipientDetailsAsync(final Context context,
final long recipientId,
final @NonNull String number)
{
Callable<RecipientDetails> task = new Callable<RecipientDetails>() {
@Override
public RecipientDetails call() throws Exception {
return getRecipientDetailsSync(context, recipientId, number);
}
};
ListenableFutureTask<RecipientDetails> future = new ListenableFutureTask<>(task);
asyncRecipientResolver.submit(future);
return future;
}
private @NonNull RecipientDetails getRecipientDetailsSync(Context context, long recipientId, @NonNull String number) {
if (GroupUtil.isEncodedGroup(number)) return getGroupRecipientDetails(context, number);
else return getIndividualRecipientDetails(context, recipientId, number);
}
private @NonNull RecipientDetails getIndividualRecipientDetails(Context context, long recipientId, @NonNull String number) {
Optional<RecipientsPreferences> preferences = DatabaseFactory.getRecipientPreferenceDatabase(context).getRecipientsPreferences(new long[]{recipientId});
MaterialColor color = preferences.isPresent() ? preferences.get().getColor() : null;
Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number));
Cursor cursor = context.getContentResolver().query(uri, CALLER_ID_PROJECTION,
null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
final String resultNumber = cursor.getString(3);
if (resultNumber != null) {
Uri contactUri = Contacts.getLookupUri(cursor.getLong(2), cursor.getString(1));
String name = resultNumber.equals(cursor.getString(0)) ? null : cursor.getString(0);
ContactPhoto contactPhoto = ContactPhotoFactory.getContactPhoto(context,
Uri.withAppendedPath(Contacts.CONTENT_URI, cursor.getLong(2) + ""),
name);
return new RecipientDetails(cursor.getString(0), resultNumber, cursor.getString(4), contactUri, contactPhoto, color);
} else {
Log.w(TAG, "resultNumber is null");
}
}
} finally {
if (cursor != null)
cursor.close();
}
if (STATIC_DETAILS.containsKey(number)) return STATIC_DETAILS.get(number);
else return new RecipientDetails(null, number, null, null, ContactPhotoFactory.getDefaultContactPhoto(null), color);
}
private @NonNull RecipientDetails getGroupRecipientDetails(Context context, String groupId) {
try {
GroupDatabase.GroupRecord record = DatabaseFactory.getGroupDatabase(context)
.getGroup(GroupUtil.getDecodedId(groupId));
if (record != null) {
ContactPhoto contactPhoto = ContactPhotoFactory.getGroupContactPhoto(record.getAvatar());
String title = record.getTitle();
if (title == null) {
title = context.getString(R.string.RecipientProvider_unnamed_group);;
}
return new RecipientDetails(title, groupId, null, null, contactPhoto, null);
}
return new RecipientDetails(context.getString(R.string.RecipientProvider_unnamed_group), groupId, null, null, ContactPhotoFactory.getDefaultGroupPhoto(), null);
} catch (IOException e) {
Log.w("RecipientProvider", e);
return new RecipientDetails(context.getString(R.string.RecipientProvider_unnamed_group), groupId, null, null, ContactPhotoFactory.getDefaultGroupPhoto(), null);
}
}
private @Nullable RecipientsPreferences getRecipientsPreferencesSync(Context context, long[] recipientIds) {
return DatabaseFactory.getRecipientPreferenceDatabase(context)
.getRecipientsPreferences(recipientIds)
.orNull();
}
private ListenableFutureTask<RecipientsPreferences> getRecipientsPreferencesAsync(final Context context, final long[] recipientIds) {
ListenableFutureTask<RecipientsPreferences> task = new ListenableFutureTask<>(new Callable<RecipientsPreferences>() {
@Override
public RecipientsPreferences call() throws Exception {
return getRecipientsPreferencesSync(context, recipientIds);
}
});
asyncRecipientResolver.execute(task);
return task;
}
public static class RecipientDetails {
@Nullable public final String name;
@NonNull public final String number;
@Nullable public final String customLabel;
@NonNull public final ContactPhoto avatar;
@Nullable public final Uri contactUri;
@Nullable public final MaterialColor color;
public RecipientDetails(@Nullable String name, @NonNull String number,
@Nullable String customLabel, @Nullable Uri contactUri,
@NonNull ContactPhoto avatar, @Nullable MaterialColor color)
{
this.name = name;
this.customLabel = customLabel;
this.number = number;
this.avatar = avatar;
this.contactUri = contactUri;
this.color = color;
}
}
private static class RecipientIds {
private final long[] ids;
private RecipientIds(long[] ids) {
this.ids = ids;
}
public boolean equals(Object other) {
if (other == null || !(other instanceof RecipientIds)) return false;
return Arrays.equals(this.ids, ((RecipientIds) other).ids);
}
public int hashCode() {
return Arrays.hashCode(ids);
}
}
private static class RecipientCache {
private final Map<Long,Recipient> cache = new LRUCache<>(1000);
public synchronized Recipient get(long recipientId) {
return cache.get(recipientId);
}
public synchronized void set(long recipientId, Recipient recipient) {
cache.put(recipientId, recipient);
}
public synchronized void reset() {
for (Recipient recipient : cache.values()) {
recipient.setStale();
}
}
}
private static class RecipientsCache {
private final Map<RecipientIds,Recipients> cache = new LRUCache<>(1000);
public synchronized Recipients get(RecipientIds ids) {
return cache.get(ids);
}
public synchronized void set(RecipientIds ids, Recipients recipients) {
cache.put(ids, recipients);
}
public synchronized void reset() {
for (Recipients recipients : cache.values()) {
recipients.setStale();
}
}
}
}