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Merge pull request #880 from redsolution/develop
Merge v2.6.3 (602)
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101 changes: 101 additions & 0 deletions
101
...c/main/java/com/xabber/android/data/extension/chat_markers/BackpressureMessageReader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package com.xabber.android.data.extension.chat_markers; | ||
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| import com.xabber.android.data.database.MessageDatabaseManager; | ||
| import com.xabber.android.data.database.messagerealm.MessageItem; | ||
| import com.xabber.android.data.log.LogManager; | ||
| import com.xabber.android.data.message.AbstractChat; | ||
| import com.xabber.android.data.message.MessageManager; | ||
| import com.xabber.android.data.roster.AbstractContact; | ||
| import com.xabber.android.data.roster.RosterManager; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import io.realm.Realm; | ||
| import io.realm.RealmResults; | ||
| import rx.android.schedulers.AndroidSchedulers; | ||
| import rx.functions.Action1; | ||
| import rx.subjects.PublishSubject; | ||
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| /** Groups messages to send displayed. To avoid | ||
| * too often sending displayed chat markers. | ||
| * */ | ||
| public class BackpressureMessageReader { | ||
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| private static BackpressureMessageReader instance; | ||
| private Map<AbstractContact, PublishSubject<MessageHolder>> queries = new HashMap<>(); | ||
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| public static BackpressureMessageReader getInstance() { | ||
| if (instance == null) { | ||
| instance = new BackpressureMessageReader(); | ||
| } | ||
| return instance; | ||
| } | ||
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| public void markAsRead(MessageItem messageItem, boolean trySendDisplayed) { | ||
| AbstractContact contact = RosterManager.getInstance().getAbstractContact(messageItem.getAccount(), messageItem.getUser()); | ||
| PublishSubject<MessageHolder> subject = queries.get(contact); | ||
| if (subject == null) subject = createSubject(contact); | ||
| subject.onNext(new MessageHolder(messageItem, trySendDisplayed)); | ||
| } | ||
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| private PublishSubject<MessageHolder> createSubject(final AbstractContact contact) { | ||
| PublishSubject<MessageHolder> subject = PublishSubject.create(); | ||
| subject.debounce(2000, TimeUnit.MILLISECONDS) | ||
| .observeOn(AndroidSchedulers.mainThread()) | ||
| .subscribe(new Action1<MessageHolder>() { | ||
| @Override | ||
| public void call(MessageHolder holder) { | ||
| MessageItem message = holder.messageItem; | ||
| if (holder.trySendDisplayed) | ||
| ChatMarkerManager.getInstance().sendDisplayed(message); | ||
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| Realm realm = MessageDatabaseManager.getInstance().getRealmUiThread(); | ||
| RealmResults<MessageItem> messages = getPreviousUnreadMessages(realm, message); | ||
| realm.beginTransaction(); | ||
| List<String> ids = new ArrayList<>(); | ||
| for (MessageItem mes : messages) { | ||
| mes.setRead(true); | ||
| ids.add(mes.getUniqueId()); | ||
| } | ||
| realm.commitTransaction(); | ||
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| AbstractChat chat = MessageManager.getInstance().getOrCreateChat(message.getAccount(), message.getUser()); | ||
| if (chat != null) chat.approveRead(ids); | ||
| } | ||
| }, new Action1<Throwable>() { | ||
| @Override | ||
| public void call(Throwable throwable) { | ||
| LogManager.exception(this, throwable); | ||
| LogManager.d(this, "Exception is thrown. Subject was deleted."); | ||
| queries.remove(contact); | ||
| } | ||
| }); | ||
| queries.put(contact, subject); | ||
| return subject; | ||
| } | ||
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| private RealmResults<MessageItem> getPreviousUnreadMessages(Realm realm, MessageItem messageItem) { | ||
| return realm.where(MessageItem.class) | ||
| .equalTo(MessageItem.Fields.ACCOUNT, messageItem.getAccount().toString()) | ||
| .equalTo(MessageItem.Fields.USER, messageItem.getUser().toString()) | ||
| .equalTo(MessageItem.Fields.READ, false) | ||
| .lessThanOrEqualTo(MessageItem.Fields.TIMESTAMP, messageItem.getTimestamp()) | ||
| .findAll(); | ||
| } | ||
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| private class MessageHolder { | ||
| final MessageItem messageItem; | ||
| final boolean trySendDisplayed; | ||
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| public MessageHolder(MessageItem messageItem, boolean trySendDisplayed) { | ||
| this.messageItem = messageItem; | ||
| this.trySendDisplayed = trySendDisplayed; | ||
| } | ||
| } | ||
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| } |
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