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Add support for granular conversation data changes.

fork-5.53.8
Greyson Parrelli 2021-08-30 15:08:38 -04:00
rodzic bca2205945
commit f5a6d61362
28 zmienionych plików z 502 dodań i 162 usunięć
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6
app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationActivity.java
Wyświetl plik

@ -2927,7 +2927,7 @@ public class ConversationActivity extends PassphraseRequiredActivity
long id = fragment.stageOutgoingMessage(secureMessage);
SimpleTask.run(() -> {
long resultId = MessageSender.sendPushWithPreUploadedMedia(this, secureMessage, result.getPreUploadResults(), thread, () -> fragment.releaseOutgoingMessage(id));
long resultId = MessageSender.sendPushWithPreUploadedMedia(this, secureMessage, result.getPreUploadResults(), thread, null);
int deleted = DatabaseFactory.getAttachmentDatabase(this).deleteAbandonedPreuploadedAttachments();
Log.i(TAG, "Deleted " + deleted + " abandoned attachments.");
@ -3017,7 +3017,7 @@ public class ConversationActivity extends PassphraseRequiredActivity
final long id = fragment.stageOutgoingMessage(outgoingMessage);
SimpleTask.run(() -> {
return MessageSender.send(context, outgoingMessage, thread, forceSms, metricId, () -> fragment.releaseOutgoingMessage(id));
return MessageSender.send(context, outgoingMessage, thread, forceSms, metricId, null);
}, result -> {
sendComplete(result);
future.set(null);
@ -3058,7 +3058,7 @@ public class ConversationActivity extends PassphraseRequiredActivity
.onAllGranted(() -> {
final long id = new SecureRandom().nextLong();
SimpleTask.run(() -> {
return MessageSender.send(context, message, thread, forceSms, metricId, () -> fragment.releaseOutgoingMessage(id));
return MessageSender.send(context, message, thread, forceSms, metricId, null);
}, this::sendComplete);
silentlySetComposeText("");

49
app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationDataSource.java
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@ -13,16 +13,21 @@ import org.thoughtcrime.securesms.attachments.DatabaseAttachment;
import org.thoughtcrime.securesms.conversation.ConversationData.MessageRequestData;
import org.thoughtcrime.securesms.conversation.ConversationMessage.ConversationMessageFactory;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.MentionDatabase;
import org.thoughtcrime.securesms.database.MessageDatabase;
import org.thoughtcrime.securesms.database.MmsSmsDatabase;
import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
import org.thoughtcrime.securesms.database.model.MediaMmsMessageRecord;
import org.thoughtcrime.securesms.database.model.Mention;
import org.thoughtcrime.securesms.database.model.MessageId;
import org.thoughtcrime.securesms.database.model.MessageRecord;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.util.Stopwatch;
import org.thoughtcrime.securesms.util.Util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
@ -32,7 +37,7 @@ import java.util.stream.Collectors;
/**
* Core data source for loading an individual conversation.
*/
class ConversationDataSource implements PagedDataSource<ConversationMessage> {
class ConversationDataSource implements PagedDataSource<MessageId, ConversationMessage> {
private static final String TAG = Log.tag(ConversationDataSource.class);
@ -109,6 +114,48 @@ class ConversationDataSource implements PagedDataSource<ConversationMessage> {
return messages;
}
@Override
public @Nullable ConversationMessage load(@NonNull MessageId messageId) {
Stopwatch stopwatch = new Stopwatch("load(" + messageId + "), thread " + threadId);
MessageDatabase database = messageId.isMms() ? DatabaseFactory.getMmsDatabase(context) : DatabaseFactory.getSmsDatabase(context);
MessageRecord record = database.getMessageRecordOrNull(messageId.getId());
stopwatch.split("message");
try {
if (record != null) {
List<Mention> mentions;
if (messageId.isMms()) {
mentions = DatabaseFactory.getMentionDatabase(context).getMentionsForMessage(messageId.getId());
} else {
mentions = Collections.emptyList();
}
stopwatch.split("mentions");
if (messageId.isMms()) {
List<DatabaseAttachment> attachments = DatabaseFactory.getAttachmentDatabase(context).getAttachmentsForMessage(messageId.getId());
if (attachments.size() > 0) {
record = ((MediaMmsMessageRecord) record).withAttachments(context, attachments);
}
}
stopwatch.split("attachments");
return ConversationMessage.ConversationMessageFactory.createWithUnresolvedData(ApplicationDependencies.getApplication(), record, mentions);
} else {
return null;
}
} finally {
stopwatch.stop(TAG);
}
}
@Override
public @NonNull MessageId getKey(@NonNull ConversationMessage conversationMessage) {
return new MessageId(conversationMessage.getMessageRecord().getId(), conversationMessage.getMessageRecord().isMms());
}
private static class MentionHelper {
private Collection<Long> messageIds = new LinkedList<>();

8
app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationFragment.java
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@ -1055,7 +1055,6 @@ public class ConversationFragment extends LoggingFragment implements Multiselect
if (getListAdapter() != null) {
clearHeaderIfNotTyping(getListAdapter());
setLastSeen(0);
getListAdapter().addFastRecord(ConversationMessageFactory.createWithResolvedData(messageRecord, messageRecord.getDisplayBody(requireContext()), message.getMentions()));
list.post(() -> list.scrollToPosition(0));
}
@ -1068,19 +1067,12 @@ public class ConversationFragment extends LoggingFragment implements Multiselect
if (getListAdapter() != null) {
clearHeaderIfNotTyping(getListAdapter());
setLastSeen(0);
getListAdapter().addFastRecord(ConversationMessageFactory.createWithResolvedData(messageRecord));
list.post(() -> list.scrollToPosition(0));
}
return messageRecord.getId();
}
public void releaseOutgoingMessage(long id) {
if (getListAdapter() != null) {
getListAdapter().releaseFastRecord(id);
}
}
private void presentConversationMetadata(@NonNull ConversationData conversation) {
ConversationAdapter adapter = getListAdapter();
if (adapter == null) {

27
app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationViewModel.java
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@ -25,6 +25,7 @@ import org.thoughtcrime.securesms.conversation.colors.ChatColors;
import org.thoughtcrime.securesms.conversation.colors.ChatColorsPalette;
import org.thoughtcrime.securesms.conversation.colors.NameColor;
import org.thoughtcrime.securesms.database.DatabaseObserver;
import org.thoughtcrime.securesms.database.model.MessageId;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.groups.GroupId;
import org.thoughtcrime.securesms.groups.LiveGroup;
@ -64,8 +65,10 @@ public class ConversationViewModel extends ViewModel {
private final MutableLiveData<Boolean> showScrollButtons;
private final MutableLiveData<Boolean> hasUnreadMentions;
private final LiveData<Boolean> canShowAsBubble;
private final ProxyPagingController pagingController;
private final DatabaseObserver.Observer messageObserver;
private final ProxyPagingController<MessageId> pagingController;
private final DatabaseObserver.Observer conversationObserver;
private final DatabaseObserver.MessageObserver messageUpdateObserver;
private final DatabaseObserver.MessageObserver messageInsertObserver;
private final MutableLiveData<RecipientId> recipientId;
private final LiveData<ChatWallpaper> wallpaper;
private final SingleLiveEvent<Event> events;
@ -89,8 +92,10 @@ public class ConversationViewModel extends ViewModel {
this.hasUnreadMentions = new MutableLiveData<>(false);
this.recipientId = new MutableLiveData<>();
this.events = new SingleLiveEvent<>();
this.pagingController = new ProxyPagingController();
this.messageObserver = pagingController::onDataInvalidated;
this.pagingController = new ProxyPagingController<>();
this.conversationObserver = pagingController::onDataInvalidated;
this.messageUpdateObserver = pagingController::onDataItemChanged;
this.messageInsertObserver = messageId -> pagingController.onDataItemInserted(messageId, 0);
this.toolbarBottom = new MutableLiveData<>();
this.inlinePlayerHeight = new MutableLiveData<>();
this.scrollDateTopMargin = Transformations.distinctUntilChanged(LiveDataUtil.combineLatest(toolbarBottom, inlinePlayerHeight, Integer::sum));
@ -106,7 +111,9 @@ public class ConversationViewModel extends ViewModel {
return conversationData;
});
LiveData<Pair<Long, PagedData<ConversationMessage>>> pagedDataForThreadId = Transformations.map(metadata, data -> {
ApplicationDependencies.getDatabaseObserver().registerMessageUpdateObserver(messageUpdateObserver);
LiveData<Pair<Long, PagedData<MessageId, ConversationMessage>>> pagedDataForThreadId = Transformations.map(metadata, data -> {
int startPosition;
ConversationData.MessageRequestData messageRequestData = data.getMessageRequestData();
@ -120,8 +127,10 @@ public class ConversationViewModel extends ViewModel {
startPosition = data.getThreadSize();
}
ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageObserver);
ApplicationDependencies.getDatabaseObserver().registerConversationObserver(data.getThreadId(), messageObserver);
ApplicationDependencies.getDatabaseObserver().unregisterObserver(conversationObserver);
ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageInsertObserver);
ApplicationDependencies.getDatabaseObserver().registerConversationObserver(data.getThreadId(), conversationObserver);
ApplicationDependencies.getDatabaseObserver().registerMessageInsertObserver(data.getThreadId(), messageInsertObserver);
ConversationDataSource dataSource = new ConversationDataSource(context, data.getThreadId(), messageRequestData, data.showUniversalExpireTimerMessage());
PagingConfig config = new PagingConfig.Builder().setPageSize(25)
@ -292,7 +301,9 @@ public class ConversationViewModel extends ViewModel {
@Override
protected void onCleared() {
super.onCleared();
ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageObserver);
ApplicationDependencies.getDatabaseObserver().unregisterObserver(conversationObserver);
ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageUpdateObserver);
ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageInsertObserver);
EventBus.getDefault().unregister(this);
}

13
app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListDataSource.java
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@ -6,6 +6,7 @@ import android.database.MatrixCursor;
import android.database.MergeCursor;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import org.signal.core.util.logging.Log;
@ -23,7 +24,7 @@ import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
abstract class ConversationListDataSource implements PagedDataSource<Conversation> {
abstract class ConversationListDataSource implements PagedDataSource<Long, Conversation> {
private static final String TAG = Log.tag(ConversationListDataSource.class);
@ -73,6 +74,16 @@ abstract class ConversationListDataSource implements PagedDataSource<Conversatio
return conversations;
}
@Override
public @Nullable Conversation load(Long threadId) {
throw new UnsupportedOperationException("Not implemented!");
}
@Override
public @NonNull Long getKey(@NonNull Conversation conversation) {
return conversation.getThreadRecord().getThreadId();
}
protected abstract int getTotalCount();
protected abstract Cursor getCursor(long offset, long limit);

2
app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListViewModel.java
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@ -45,7 +45,7 @@ class ConversationListViewModel extends ViewModel {
private final MutableLiveData<Megaphone> megaphone;
private final MutableLiveData<SearchResult> searchResult;
private final PagedData<Conversation> pagedData;
private final PagedData<Long, Conversation> pagedData;
private final LiveData<Boolean> hasNoConversations;
private final SearchRepository searchRepository;
private final MegaphoneRepository megaphoneRepository;

61
app/src/main/java/org/thoughtcrime/securesms/database/DatabaseObserver.java
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@ -5,6 +5,7 @@ import android.app.Application;
import androidx.annotation.NonNull;
import org.signal.core.util.concurrent.SignalExecutors;
import org.thoughtcrime.securesms.database.model.MessageId;
import org.thoughtcrime.securesms.util.concurrent.SerialExecutor;
import java.util.HashMap;
@ -24,13 +25,15 @@ public final class DatabaseObserver {
private final Application application;
private final Executor executor;
private final Set<Observer> conversationListObservers;
private final Map<Long, Set<Observer>> conversationObservers;
private final Map<Long, Set<Observer>> verboseConversationObservers;
private final Map<UUID, Set<Observer>> paymentObservers;
private final Set<Observer> allPaymentsObservers;
private final Set<Observer> chatColorsObservers;
private final Set<Observer> stickerPackObservers;
private final Set<Observer> conversationListObservers;
private final Map<Long, Set<Observer>> conversationObservers;
private final Map<Long, Set<Observer>> verboseConversationObservers;
private final Map<UUID, Set<Observer>> paymentObservers;
private final Set<Observer> allPaymentsObservers;
private final Set<Observer> chatColorsObservers;
private final Set<Observer> stickerPackObservers;
private final Set<MessageObserver> messageUpdateObservers;
private final Map<Long, Set<MessageObserver>> messageInsertObservers;
public DatabaseObserver(Application application) {
this.application = application;
@ -42,6 +45,8 @@ public final class DatabaseObserver {
this.allPaymentsObservers = new HashSet<>();
this.chatColorsObservers = new HashSet<>();
this.stickerPackObservers = new HashSet<>();
this.messageUpdateObservers = new HashSet<>();
this.messageInsertObservers = new HashMap<>();
}
public void registerConversationListObserver(@NonNull Observer listener) {
@ -86,6 +91,18 @@ public final class DatabaseObserver {
});
}
public void registerMessageUpdateObserver(@NonNull MessageObserver listener) {
executor.execute(() -> {
messageUpdateObservers.add(listener);
});
}
public void registerMessageInsertObserver(long threadId, @NonNull MessageObserver listener) {
executor.execute(() -> {
registerMapped(messageInsertObservers, threadId, listener);
});
}
public void unregisterObserver(@NonNull Observer listener) {
executor.execute(() -> {
conversationListObservers.remove(listener);
@ -97,6 +114,12 @@ public final class DatabaseObserver {
});
}
public void unregisterObserver(@NonNull MessageObserver listener) {
executor.execute(() -> {
messageUpdateObservers.remove(listener);
});
}
public void notifyConversationListeners(Set<Long> threadIds) {
executor.execute(() -> {
for (long threadId : threadIds) {
@ -177,8 +200,24 @@ public final class DatabaseObserver {
});
}
private <K> void registerMapped(@NonNull Map<K, Set<Observer>> map, @NonNull K key, @NonNull Observer listener) {
Set<Observer> listeners = map.get(key);
public void notifyMessageUpdateObservers(@NonNull MessageId messageId) {
executor.execute(() -> {
messageUpdateObservers.stream().forEach(l -> l.onMessageChanged(messageId));
});
}
public void notifyMessageInsertObservers(long threadId, @NonNull MessageId messageId) {
executor.execute(() -> {
Set<MessageObserver> listeners = messageInsertObservers.get(threadId);
if (listeners != null) {
listeners.stream().forEach(l -> l.onMessageChanged(messageId));
}
});
}
private <K, V> void registerMapped(@NonNull Map<K, Set<V>> map, @NonNull K key, @NonNull V listener) {
Set<V> listeners = map.get(key);
if (listeners == null) {
listeners = new HashSet<>();
@ -217,4 +256,8 @@ public final class DatabaseObserver {
*/
void onChanged();
}
public interface MessageObserver {
void onMessageChanged(@NonNull MessageId messageId);
}
}

19
app/src/main/java/org/thoughtcrime/securesms/database/MmsDatabase.java
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@ -769,14 +769,14 @@ public class MmsDatabase extends MessageDatabase {
public void markAsForcedSms(long messageId) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, Types.PUSH_MESSAGE_BIT, Types.MESSAGE_FORCE_SMS_BIT, Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
public void markAsRateLimited(long messageId) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, 0, Types.MESSAGE_RATE_LIMITED_BIT, Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
@ -800,28 +800,28 @@ public class MmsDatabase extends MessageDatabase {
public void markAsPendingInsecureSmsFallback(long messageId) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_PENDING_INSECURE_SMS_FALLBACK, Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
public void markAsSending(long messageId) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_SENDING_TYPE, Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
public void markAsSentFailed(long messageId) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_SENT_FAILED_TYPE, Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
public void markAsSent(long messageId, boolean secure) {
long threadId = getThreadIdForMessage(messageId);
updateMailboxBitmask(messageId, Types.BASE_TYPE_MASK, Types.BASE_SENT_TYPE | (secure ? Types.PUSH_MESSAGE_BIT | Types.SECURE_MESSAGE_BIT : 0), Optional.of(threadId));
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
@ -854,7 +854,7 @@ public class MmsDatabase extends MessageDatabase {
} finally {
db.endTransaction();
}
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
@ -864,7 +864,7 @@ public class MmsDatabase extends MessageDatabase {
contentValues.put(STATUS, state);
database.update(TABLE_NAME, contentValues, ID_WHERE, new String[] {messageId + ""});
notifyConversationListeners(getThreadIdForMessage(messageId));
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(messageId, true));
}
@Override
@ -1559,7 +1559,7 @@ public class MmsDatabase extends MessageDatabase {
DatabaseFactory.getThreadDatabase(context).setLastSeenSilently(threadId);
DatabaseFactory.getThreadDatabase(context).setHasSentSilently(threadId, true);
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageInsertObservers(threadId, new MessageId(messageId, true));
notifyConversationListListeners();
TrimThreadJob.enqueueAsync(threadId);
@ -1651,7 +1651,6 @@ public class MmsDatabase extends MessageDatabase {
long contentValuesThreadId = contentValues.getAsLong(THREAD_ID);
notifyConversationListeners(contentValuesThreadId);
DatabaseFactory.getThreadDatabase(context).setLastScrolled(contentValuesThreadId, 0);
ThreadUpdateJob.enqueue(contentValuesThreadId);
}

5
app/src/main/java/org/thoughtcrime/securesms/database/SmsDatabase.java
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@ -59,7 +59,6 @@ import org.thoughtcrime.securesms.util.Base64;
import org.thoughtcrime.securesms.util.CursorUtil;
import org.thoughtcrime.securesms.util.JsonUtils;
import org.thoughtcrime.securesms.util.SqlUtil;
import org.thoughtcrime.securesms.util.Stopwatch;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.Util;
import org.whispersystems.libsignal.util.Pair;
@ -198,7 +197,7 @@ public class SmsDatabase extends MessageDatabase {
db.endTransaction();
}
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageUpdateObservers(new MessageId(id, false));
}
@Override
@ -1235,7 +1234,7 @@ public class SmsDatabase extends MessageDatabase {
DatabaseFactory.getThreadDatabase(context).setHasSentSilently(threadId, true);
notifyConversationListeners(threadId);
ApplicationDependencies.getDatabaseObserver().notifyMessageInsertObservers(threadId, new MessageId(messageId, false));
if (!message.isIdentityVerified() && !message.isIdentityDefault()) {
TrimThreadJob.enqueueAsync(threadId);

12
app/src/main/java/org/thoughtcrime/securesms/giph/mp4/GiphyMp4PagedDataSource.java
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@ -27,7 +27,7 @@ import okhttp3.Response;
/**
* Data source for GiphyImages.
*/
final class GiphyMp4PagedDataSource implements PagedDataSource<GiphyImage> {
final class GiphyMp4PagedDataSource implements PagedDataSource<String, GiphyImage> {
private static final Uri BASE_GIPHY_URI = Uri.parse("https://api.giphy.com/v1/gifs/")
.buildUpon()
@ -76,6 +76,16 @@ final class GiphyMp4PagedDataSource implements PagedDataSource<GiphyImage> {
}
}
@Override
public String getKey(@NonNull GiphyImage giphyImage) {
return giphyImage.getGifUrl();
}
@Override
public @Nullable GiphyImage load(String url) {
throw new UnsupportedOperationException("Not implemented!");
}
private @NonNull GiphyResponse performFetch(int start, int length) throws IOException {
String url;

18
app/src/main/java/org/thoughtcrime/securesms/giph/mp4/GiphyMp4ViewModel.java
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@ -28,12 +28,12 @@ import java.util.Objects;
*/
public final class GiphyMp4ViewModel extends ViewModel {
private final GiphyMp4Repository repository;
private final MutableLiveData<PagedData<GiphyImage>> pagedData;
private final LiveData<List<GiphyImage>> images;
private final LiveData<PagingController> pagingController;
private final SingleLiveEvent<GiphyMp4SaveResult> saveResultEvents;
private final boolean isForMms;
private final GiphyMp4Repository repository;
private final MutableLiveData<PagedData<String, GiphyImage>> pagedData;
private final LiveData<List<GiphyImage>> images;
private final LiveData<PagingController<String>> pagingController;
private final SingleLiveEvent<GiphyMp4SaveResult> saveResultEvents;
private final boolean isForMms;
private String query;
@ -52,7 +52,7 @@ public final class GiphyMp4ViewModel extends ViewModel {
.toList()));
}
LiveData<PagedData<GiphyImage>> getPagedData() {
LiveData<PagedData<String, GiphyImage>> getPagedData() {
return pagedData;
}
@ -77,11 +77,11 @@ public final class GiphyMp4ViewModel extends ViewModel {
return images;
}
public @NonNull LiveData<PagingController> getPagingController() {
public @NonNull LiveData<PagingController<String>> getPagingController() {
return pagingController;
}
private PagedData<GiphyImage> getGiphyImagePagedData(@Nullable String query) {
private PagedData<String, GiphyImage> getGiphyImagePagedData(@Nullable String query) {
return PagedData.create(new GiphyMp4PagedDataSource(query),
new PagingConfig.Builder().setPageSize(20)
.setBufferPages(1)

11
app/src/main/java/org/thoughtcrime/securesms/logsubmit/LogDataSource.kt
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@ -4,6 +4,7 @@ import android.app.Application
import org.signal.paging.PagedDataSource
import org.thoughtcrime.securesms.database.LogDatabase
import org.thoughtcrime.securesms.logsubmit.util.Scrubber
import java.lang.UnsupportedOperationException
/**
* Retrieves logs to show in the [SubmitDebugLogActivity].
@ -16,7 +17,7 @@ class LogDataSource(
private val prefixLines: List<LogLine>,
private val untilTime: Long
) :
PagedDataSource<LogLine> {
PagedDataSource<Long, LogLine> {
val logDatabase = LogDatabase.getInstance(application)
@ -35,6 +36,14 @@ class LogDataSource(
}
}
override fun load(key: Long?): LogLine? {
throw UnsupportedOperationException("Not implemented!")
}
override fun getKey(data: LogLine): Long {
return data.id
}
private fun convertToLogLine(raw: String): LogLine {
val scrubbed: String = Scrubber.scrub(raw).toString()
return SimpleLogLine(scrubbed, LogStyleParser.parseStyle(scrubbed), LogLine.Placeholder.NONE)

6
app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogViewModel.java
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@ -24,7 +24,7 @@ public class SubmitDebugLogViewModel extends ViewModel {
private final SubmitDebugLogRepository repo;
private final MutableLiveData<Mode> mode;
private final ProxyPagingController pagingController;
private final ProxyPagingController<Long> pagingController;
private final List<LogLine> staticLines;
private final MediatorLiveData<List<LogLine>> lines;
private final long firstViewTime;
@ -35,7 +35,7 @@ public class SubmitDebugLogViewModel extends ViewModel {
this.repo = new SubmitDebugLogRepository();
this.mode = new MutableLiveData<>();
this.trace = Tracer.getInstance().serialize();
this.pagingController = new ProxyPagingController();
this.pagingController = new ProxyPagingController<>();
this.firstViewTime = System.currentTimeMillis();
this.staticLines = new ArrayList<>();
this.lines = new MediatorLiveData<>();
@ -51,7 +51,7 @@ public class SubmitDebugLogViewModel extends ViewModel {
.setStartIndex(0)
.build();
PagedData<LogLine> pagedData = PagedData.create(dataSource, config);
PagedData<Long, LogLine> pagedData = PagedData.create(dataSource, config);
ThreadUtil.runOnMain(() -> {
pagingController.set(pagedData.getController());

4
paging/app/build.gradle
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@ -11,15 +11,19 @@ android {
minSdkVersion MINIMUM_SDK
targetSdkVersion TARGET_SDK
multiDexEnabled true
}
compileOptions {
coreLibraryDesugaringEnabled true
sourceCompatibility JAVA_VERSION
targetCompatibility JAVA_VERSION
}
}
dependencies {
coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
implementation 'androidx.appcompat:appcompat:1.2.0'
implementation 'com.google.android.material:material:1.2.1'
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'

5
paging/app/src/main/java/org/signal/pagingtest/EventListener.java 100644
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@ -0,0 +1,5 @@
package org.signal.pagingtest;
interface EventListener {
void onItemClicked(String key);
}

11
paging/app/src/main/java/org/signal/pagingtest/Item.java 100644
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@ -0,0 +1,11 @@
package org.signal.pagingtest;
public final class Item {
final String key;
final long timestamp;
public Item(String key, long timestamp) {
this.key = key;
this.timestamp = timestamp;
}
}

90
paging/app/src/main/java/org/signal/pagingtest/MainActivity.java
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@ -1,8 +1,10 @@
package org.signal.pagingtest;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
@ -16,22 +18,26 @@ import org.signal.paging.PagingController;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
public class MainActivity extends AppCompatActivity {
public class MainActivity extends AppCompatActivity implements EventListener {
private MainViewModel viewModel;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
MyAdapter adapter = new MyAdapter();
MyAdapter adapter = new MyAdapter(this);
RecyclerView list = findViewById(R.id.list);
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
list.setAdapter(adapter);
list.setLayoutManager(layoutManager);
MainViewModel viewModel = new ViewModelProvider(this, new ViewModelProvider.NewInstanceFactory()).get(MainViewModel.class);
viewModel = new ViewModelProvider(this, new ViewModelProvider.NewInstanceFactory()).get(MainViewModel.class);
adapter.setPagingController(viewModel.getPagingController());
viewModel.getList().observe(this, newList -> {
adapter.submitList(newList);
@ -51,21 +57,30 @@ public class MainActivity extends AppCompatActivity {
layoutManager.scrollToPosition(target);
});
findViewById(R.id.append_btn).setOnClickListener(v -> {
viewModel.appendItems();
findViewById(R.id.prepend_btn).setOnClickListener(v -> {
viewModel.prependItems();
});
}
@Override
public void onItemClicked(String key) {
viewModel.onItemClicked(key);
}
static class MyAdapter extends RecyclerView.Adapter<MyViewHolder> {
private final static int TYPE_NORMAL = 1;
private final static int TYPE_PLACEHOLDER = -1;
private PagingController controller;
private final EventListener listener;
private final List<Item> data;
private final List<String> data = new ArrayList<>();
private PagingController<String> controller;
public MyAdapter(@NonNull EventListener listener) {
this.listener = listener;
this.data = new ArrayList<>();
public MyAdapter() {
setHasStableIds(true);
}
@ -81,14 +96,18 @@ public class MainActivity extends AppCompatActivity {
@Override
public long getItemId(int position) {
return position;
Item item = getItem(position);
if (item != null) {
return item.key.hashCode();
} else {
return 0;
}
}
@Override
public @NonNull MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
switch (viewType) {
case TYPE_NORMAL:
return new MyViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item, parent, false));
case TYPE_PLACEHOLDER:
return new MyViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item, parent, false));
default:
@ -98,24 +117,53 @@ public class MainActivity extends AppCompatActivity {
@Override
public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
holder.bind(getItem(position));
holder.bind(getItem(position), position, listener);
}
private String getItem(int index) {
private Item getItem(int index) {
if (controller != null) {
controller.onDataNeededAroundIndex(index);
}
return data.get(index);
}
void setPagingController(PagingController pagingController) {
void setPagingController(PagingController<String> pagingController) {
this.controller = pagingController;
}
void submitList(List<String> list) {
void submitList(List<Item> list) {
DiffUtil.DiffResult result = DiffUtil.calculateDiff(new DiffUtil.Callback() {
@Override
public int getOldListSize() {
return data.size();
}
@Override
public int getNewListSize() {
return list.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
String oldKey = Optional.ofNullable(data.get(oldItemPosition)).map(item -> item.key).orElse(null);
String newKey = Optional.ofNullable(list.get(newItemPosition)).map(item -> item.key).orElse(null);
return Objects.equals(oldKey, newKey);
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
Long oldKey = Optional.ofNullable(data.get(oldItemPosition)).map(item -> item.timestamp).orElse(null);
Long newKey = Optional.ofNullable(list.get(newItemPosition)).map(item -> item.timestamp).orElse(null);
return Objects.equals(oldKey, newKey);
}
}, false);
result.dispatchUpdatesTo(this);
data.clear();
data.addAll(list);
notifyDataSetChanged();
}
}
@ -128,8 +176,16 @@ public class MainActivity extends AppCompatActivity {
textView = itemView.findViewById(R.id.text);
}
void bind(@NonNull String s) {
textView.setText(s == null ? "PLACEHOLDER" : s);
void bind(@Nullable Item item, int position, @NonNull EventListener listener) {
if (item != null) {
textView.setText(position + " | " + item.key.substring(0, 13) + " | " + System.currentTimeMillis());
textView.setOnClickListener(v -> {
listener.onItemClicked(item.key);
});
} else {
textView.setText(position + " | PLACEHOLDER");
textView.setOnClickListener(null);
}
}
}
}

71
paging/app/src/main/java/org/signal/pagingtest/MainDataSource.java 100644
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@ -0,0 +1,71 @@
package org.signal.pagingtest;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import org.signal.paging.PagedDataSource;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.UUID;
class MainDataSource implements PagedDataSource<String, Item> {
private final List<Item> items = new ArrayList<>();
MainDataSource(int size) {
buildItems(size);
}
@Override
public int size() {
return items.size();
}
@Override
public @NonNull List<Item> load(int start, int length, @NonNull CancellationSignal cancellationSignal) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
return items.subList(start, start + length);
}
@Override
public @Nullable Item load(String key) {
return items.stream().filter(item -> item.key.equals(key)).findFirst().orElse(null);
}
@Override
public @NonNull String getKey(@NonNull Item item) {
return item.key;
}
public void updateItem(@NonNull String key) {
ListIterator<Item> iter = items.listIterator();
while (iter.hasNext()) {
if (iter.next().key.equals(key)) {
iter.set(new Item(key, System.currentTimeMillis()));
break;
}
}
}
public @NonNull String prepend() {
Item item = new Item(UUID.randomUUID().toString(), System.currentTimeMillis());
items.add(0, item);
return item.key;
}
private void buildItems(int size) {
items.clear();
for (int i = 0; i < size; i++) {
items.add(new Item(UUID.randomUUID().toString(), System.currentTimeMillis()));
}
}
}

57
paging/app/src/main/java/org/signal/pagingtest/MainViewModel.java
Wyświetl plik

@ -4,71 +4,40 @@ import androidx.annotation.NonNull;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.ViewModel;
import org.signal.paging.PagedDataSource;
import org.signal.paging.PagingController;
import org.signal.paging.PagingConfig;
import org.signal.paging.PagedData;
import java.util.ArrayList;
import java.util.List;
public class MainViewModel extends ViewModel {
private final PagedData<String> pagedData;
private final MyDataSource dataSource;
private final PagedData<String, Item> pagedData;
private final MainDataSource dataSource;
public MainViewModel() {
this.dataSource = new MyDataSource(1000);
this.dataSource = new MainDataSource(1000);
this.pagedData = PagedData.create(dataSource, new PagingConfig.Builder().setBufferPages(3)
.setPageSize(25)
.build());
}
public @NonNull LiveData<List<String>> getList() {
public void onItemClicked(@NonNull String key) {
dataSource.updateItem(key);
pagedData.getController().onDataItemChanged(key);
}
public @NonNull LiveData<List<Item>> getList() {
return pagedData.getData();
}
public @NonNull PagingController getPagingController() {
public @NonNull PagingController<String> getPagingController() {
return pagedData.getController();
}
public void appendItems() {
dataSource.setSize(dataSource.size() + 1);
pagedData.getController().onDataInvalidated();
public void prependItems() {
String key = dataSource.prepend();
pagedData.getController().onDataItemInserted(key, 0);
}
private static class MyDataSource implements PagedDataSource<String> {
private int size;
MyDataSource(int size) {
this.size = size;
}
public void setSize(int size) {
this.size = size;
}
@Override
public int size() {
return size;
}
@Override
public List<String> load(int start, int length, @NonNull CancellationSignal cancellationSignal) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
List<String> data = new ArrayList<>(length);
for (int i = 0; i < length; i++) {
data.add(String.valueOf(start + i) + " (" + System.currentTimeMillis() + ")");
}
return data;
}
}
}

4
paging/app/src/main/res/layout/activity_main.xml
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@ -53,10 +53,10 @@
android:layout_height="wrap_content" />
<com.google.android.material.button.MaterialButton
android:id="@+id/append_btn"
android:id="@+id/prepend_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Append" />
android:text="Prepend" />
</LinearLayout>

1
paging/app/src/main/res/layout/item.xml
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@ -22,6 +22,7 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="8dp"
android:fontFamily="monospace"
tools:text="Spider-Man"/>
</androidx.cardview.widget.CardView>

34
paging/lib/src/main/java/org/signal/paging/BufferedPagingController.java
Wyświetl plik

@ -20,17 +20,17 @@ import java.util.concurrent.Executors;
* contains it. When invalidations come in, this class will just swap out the active controller with
* a new one.
*/
class BufferedPagingController<E> implements PagingController {
class BufferedPagingController<Key, Data> implements PagingController<Key> {
private final PagedDataSource<E> dataSource;
private final PagingConfig config;
private final MutableLiveData<List<E>> liveData;
private final Executor serializationExecutor;
private final PagedDataSource<Key, Data> dataSource;
private final PagingConfig config;
private final MutableLiveData<List<Data>> liveData;
private final Executor serializationExecutor;
private PagingController activeController;
private int lastRequestedIndex;
private PagingController<Key> activeController;
private int lastRequestedIndex;
BufferedPagingController(PagedDataSource<E> dataSource, PagingConfig config, @NonNull MutableLiveData<List<E>> liveData) {
BufferedPagingController(PagedDataSource<Key, Data> dataSource, PagingConfig config, @NonNull MutableLiveData<List<Data>> liveData) {
this.dataSource = dataSource;
this.config = config;
this.liveData = liveData;
@ -61,4 +61,22 @@ class BufferedPagingController<E> implements PagingController {
activeController.onDataNeededAroundIndex(lastRequestedIndex);
});
}
@Override
public void onDataItemChanged(Key key) {
serializationExecutor.execute(() -> {
if (activeController != null) {
activeController.onDataItemChanged(key);
}
});
}
@Override
public void onDataItemInserted(Key key, int position) {
serializationExecutor.execute(() -> {
if (activeController != null) {
activeController.onDataItemInserted(key, position);
}
});
}
}

5
paging/lib/src/main/java/org/signal/paging/CompressedList.java
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@ -40,4 +40,9 @@ public class CompressedList<E> extends AbstractList<E> {
public E set(int globalIndex, E element) {
return wrapped.set(globalIndex, element);
}
@Override
public void add(int index, E element) {
wrapped.add(index, element);
}
}

90
paging/lib/src/main/java/org/signal/paging/FixedSizePagingController.java
Wyświetl plik

@ -7,7 +7,9 @@ import org.signal.core.util.concurrent.SignalExecutors;
import org.signal.core.util.logging.Log;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executor;
/**
@ -18,32 +20,34 @@ import java.util.concurrent.Executor;
* which allows it to keep track of pending requests in a thread-safe way, while spinning off
* tasks to fetch data on its own executor.
*/
class FixedSizePagingController<E> implements PagingController {
class FixedSizePagingController<Key, Data> implements PagingController<Key> {
private static final String TAG = FixedSizePagingController.class.getSimpleName();
private static final Executor FETCH_EXECUTOR = SignalExecutors.newCachedSingleThreadExecutor("signal-FixedSizePagingController");
private static final boolean DEBUG = false;
private final PagedDataSource<E> dataSource;
private final PagingConfig config;
private final MutableLiveData<List<E>> liveData;
private final DataStatus loadState;
private final PagedDataSource<Key, Data> dataSource;
private final PagingConfig config;
private final MutableLiveData<List<Data>> liveData;
private final DataStatus loadState;
private final Map<Key, Integer> keyToPosition;
private List<E> data;
private List<Data> data;
private volatile boolean invalidated;
FixedSizePagingController(@NonNull PagedDataSource<E> dataSource,
FixedSizePagingController(@NonNull PagedDataSource<Key, Data> dataSource,
@NonNull PagingConfig config,
@NonNull MutableLiveData<List<E>> liveData,
@NonNull MutableLiveData<List<Data>> liveData,
int size)
{
this.dataSource = dataSource;
this.config = config;
this.liveData = liveData;
this.loadState = DataStatus.obtain(size);
this.data = new CompressedList<>(loadState.size());
this.dataSource = dataSource;
this.config = config;
this.liveData = liveData;
this.loadState = DataStatus.obtain(size);
this.data = new CompressedList<>(loadState.size());
this.keyToPosition = new HashMap<>();
}
/**
@ -96,17 +100,21 @@ class FixedSizePagingController<E> implements PagingController {
return;
}
List<E> loaded = dataSource.load(loadStart, loadEnd - loadStart, () -> invalidated);
List<Data> loaded = dataSource.load(loadStart, loadEnd - loadStart, () -> invalidated);
if (invalidated) {
Log.w(TAG, buildLog(aroundIndex, "Invalidated! Just after data was loaded."));
return;
}
List<E> updated = new CompressedList<>(data);
List<Data> updated = new CompressedList<>(data);
for (int i = 0, len = Math.min(loaded.size(), data.size() - loadStart); i < len; i++) {
updated.set(loadStart + i, loaded.get(i));
int position = loadStart + i;
Data item = loaded.get(i);
updated.set(position, item);
keyToPosition.put(dataSource.getKey(item), position);
}
data = updated;
@ -124,6 +132,56 @@ class FixedSizePagingController<E> implements PagingController {
loadState.recycle();
}
@Override
public void onDataItemChanged(Key key) {
FETCH_EXECUTOR.execute(() -> {
Integer position = keyToPosition.get(key);
if (position == null) {
Log.w(TAG, "Notified of key " + key + " but it wasn't in the cache!");
return;
}
Data item = dataSource.load(key);
if (item == null) {
Log.w(TAG, "Notified of key " + key + " but the loaded item was null!");
return;
}
List<Data> updatedList = new CompressedList<>(data);
updatedList.set(position, item);
data = updatedList;
liveData.postValue(updatedList);
});
}
@Override
public void onDataItemInserted(Key key, int position) {
FETCH_EXECUTOR.execute(() -> {
if (keyToPosition.containsKey(key)) {
Log.w(TAG, "Notified of key " + key + " being inserted at " + position + ", but the item already exists!");
return;
}
Data item = dataSource.load(key);
if (item == null) {
Log.w(TAG, "Notified of key " + key + " being inserted at " + position + ", but the loaded item was null!");
return;
}
List<Data> updatedList = new CompressedList<>(data);
updatedList.add(position, item);
keyToPosition.put(dataSource.getKey(item), position);
data = updatedList;
liveData.postValue(updatedList);
});
}
private static String buildLog(int aroundIndex, String message) {
return "onDataNeededAroundIndex(" + aroundIndex + ") " + message;
}

18
paging/lib/src/main/java/org/signal/paging/PagedData.java
Wyświetl plik

@ -10,31 +10,31 @@ import java.util.List;
/**
* The primary entry point for creating paged data.
*/
public final class PagedData<E> {
public final class PagedData<Key, Data> {
private final LiveData<List<E>> data;
private final PagingController controller;
private final LiveData<List<Data>> data;
private final PagingController<Key> controller;
@AnyThread
public static <E> PagedData<E> create(@NonNull PagedDataSource<E> dataSource, @NonNull PagingConfig config) {
MutableLiveData<List<E>> liveData = new MutableLiveData<>();
PagingController controller = new BufferedPagingController<>(dataSource, config, liveData);
public static <Key, Data> PagedData<Key, Data> create(@NonNull PagedDataSource<Key, Data> dataSource, @NonNull PagingConfig config) {
MutableLiveData<List<Data>> liveData = new MutableLiveData<>();
PagingController<Key> controller = new BufferedPagingController<>(dataSource, config, liveData);
return new PagedData<>(liveData, controller);
}
private PagedData(@NonNull LiveData<List<E>> data, @NonNull PagingController controller) {
private PagedData(@NonNull LiveData<List<Data>> data, @NonNull PagingController<Key> controller) {
this.data = data;
this.controller = controller;
}
@AnyThread
public @NonNull LiveData<List<E>> getData() {
public @NonNull LiveData<List<Data>> getData() {
return data;
}
@AnyThread
public @NonNull PagingController getController() {
public @NonNull PagingController<Key> getController() {
return controller;
}
}

11
paging/lib/src/main/java/org/signal/paging/PagedDataSource.java
Wyświetl plik

@ -1,6 +1,7 @@
package org.signal.paging;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import java.util.List;
@ -8,7 +9,7 @@ import java.util.List;
/**
* Represents a source of data that can be queried.
*/
public interface PagedDataSource<T> {
public interface PagedDataSource<Key, Data> {
/**
* @return The total size of the data set.
*/
@ -24,7 +25,13 @@ public interface PagedDataSource<T> {
* If you don't have the full range, just populate what you can.
*/
@WorkerThread
@NonNull List<T> load(int start, int length, @NonNull CancellationSignal cancellationSignal);
@NonNull List<Data> load(int start, int length, @NonNull CancellationSignal cancellationSignal);
@WorkerThread
@Nullable Data load(Key key);
@WorkerThread
@NonNull Key getKey(@NonNull Data data);
interface CancellationSignal {
/**

4
paging/lib/src/main/java/org/signal/paging/PagingController.java
Wyświetl plik

@ -1,7 +1,9 @@
package org.signal.paging;
public interface PagingController {
public interface PagingController<Key> {
void onDataNeededAroundIndex(int aroundIndex);
void onDataInvalidated();
void onDataItemChanged(Key key);
void onDataItemInserted(Key key, int position);
}

22
paging/lib/src/main/java/org/signal/paging/ProxyPagingController.java
Wyświetl plik

@ -1,7 +1,5 @@
package org.signal.paging;
import android.util.Log;
import androidx.annotation.Nullable;
/**
@ -9,9 +7,9 @@ import androidx.annotation.Nullable;
* to keep a single, static controller, even when the true controller may be changing due to data
* source changes.
*/
public class ProxyPagingController implements PagingController {
public class ProxyPagingController<Key> implements PagingController<Key> {
private PagingController proxied;
private PagingController<Key> proxied;
@Override
public synchronized void onDataNeededAroundIndex(int aroundIndex) {
@ -27,10 +25,24 @@ public class ProxyPagingController implements PagingController {
}
}
@Override
public void onDataItemChanged(Key key) {
if (proxied != null) {
proxied.onDataItemChanged(key);
}
}
@Override
public void onDataItemInserted(Key key, int position) {
if (proxied != null) {
proxied.onDataItemInserted(key, position);
}
}
/**
* Updates the underlying controller to the one specified.
*/
public synchronized void set(@Nullable PagingController bound) {
public synchronized void set(@Nullable PagingController<Key> bound) {
this.proxied = bound;
}
}