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[android] Use ordinary HashMap for to be received attachments

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Also don't do list stacking from end for now.
This commit is contained in:
Torsten Grote
2020-02-13 10:24:36 -03:00
parent 4d27828712
commit bded1edb2b
2 changed files with 15 additions and 13 deletions
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1
briar-android/src/main/java/org/briarproject/briar/android/conversation/ConversationActivity.java
View File

@@ -260,7 +260,6 @@ public class ConversationActivity extends BriarActivity
adapter = new ConversationAdapter(this, this);
list = findViewById(R.id.conversationView);
layoutManager = new LinearLayoutManager(this);
layoutManager.setStackFromEnd(true);
list.setLayoutManager(layoutManager);
list.setAdapter(adapter);
list.setEmptyText(getString(R.string.no_private_messages));

27
briar-android/src/main/java/org/briarproject/briar/android/conversation/ImageViewModel.java
View File

@@ -27,9 +27,9 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
@@ -60,9 +60,9 @@ public class ImageViewModel extends AndroidViewModel implements EventListener {
@IoExecutor
private final Executor ioExecutor;
private volatile boolean receivedAttachmentsInitialized = false;
private ConcurrentHashMap<MessageId, MutableLiveEvent<Boolean>>
receivedAttachments = new ConcurrentHashMap<>();
private boolean receivedAttachmentsInitialized = false;
private HashMap<MessageId, MutableLiveEvent<Boolean>> receivedAttachments =
new HashMap<>();
/**
* true means there was an error saving the image, false if image was saved.
@@ -93,6 +93,7 @@ public class ImageViewModel extends AndroidViewModel implements EventListener {
eventBus.removeListener(this);
}
@UiThread
@Override
public void eventOccurred(Event e) {
if (e instanceof AttachmentReceivedEvent) {
@@ -100,11 +101,10 @@ public class ImageViewModel extends AndroidViewModel implements EventListener {
MutableLiveEvent<Boolean> oldEvent;
if (receivedAttachmentsInitialized) {
oldEvent = receivedAttachments.get(id);
if (oldEvent != null) oldEvent.postEvent(true);
} else {
oldEvent = receivedAttachments
.putIfAbsent(id, new MutableLiveEvent<>(true));
receivedAttachments.put(id, new MutableLiveEvent<>(true));
}
if (oldEvent != null) oldEvent.postEvent(true);
}
}
@@ -113,18 +113,21 @@ public class ImageViewModel extends AndroidViewModel implements EventListener {
for (AttachmentItem item : attachments) {
// no need to track items that are in a final state already
if (item.getState().isFinal()) continue;
// add new live events, if not added concurrently by Event
// add new live events, if not already added by eventOccurred()
MessageId id = item.getMessageId();
receivedAttachments.putIfAbsent(id, new MutableLiveEvent<>());
if (!receivedAttachments.containsKey(id)) {
receivedAttachments.put(id, new MutableLiveEvent<>());
}
}
receivedAttachmentsInitialized = true;
}
/**
* Returns a LiveData for attachments in a non-final state.
* Note that you need to call {@link #expectAttachments(List)} first.
*/
@UiThread
LiveEvent<Boolean> getOnAttachmentReceived(MessageId messageId) {
if (receivedAttachments.size() == 0) {
throw new IllegalStateException("expectAttachments() not called");
}
return requireNonNull(receivedAttachments.get(messageId));
}