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package de.thedevstack.conversationsplus.ui.listeners;
import android.widget.ListView;
import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout;
import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayoutDirection;
import java.util.List;
import de.thedevstack.android.logcat.Logging;
import de.thedevstack.conversationsplus.Config;
import de.thedevstack.conversationsplus.R;
import de.thedevstack.conversationsplus.entities.Conversation;
import de.thedevstack.conversationsplus.entities.Message;
import de.thedevstack.conversationsplus.services.MessageArchiveService;
import de.thedevstack.conversationsplus.ui.ConversationActivity;
import de.thedevstack.conversationsplus.ui.ConversationFragment;
import de.thedevstack.conversationsplus.ui.adapter.MessageAdapter;
/**
* This listener starts loading messages from the server.
*/
public class ConversationSwipeRefreshListener implements SwipyRefreshLayout.OnRefreshListener {
private List<Message> messageList;
private ConversationFragment fragment;
private ConversationMoreMessagesLoadedListener listener;
public ConversationSwipeRefreshListener(List<Message> messageList, SwipyRefreshLayout swipeLayout, ConversationFragment fragment, ListView messagesView, MessageAdapter messageListAdapter) {
this.messageList = messageList;
this.fragment = fragment;
this.listener = new ConversationMoreMessagesLoadedListener(swipeLayout, messageList, fragment, messagesView, messageListAdapter);
}
@Override
public void onRefresh(SwipyRefreshLayoutDirection direction) {
Logging.d(Config.LOGTAG, "Refresh swipe container");
Logging.d(Config.LOGTAG, "Refresh direction " + direction);
synchronized (this.messageList) {
long timestamp;
if (SwipyRefreshLayoutDirection.TOP == direction) { // Load history -> messages sent/received before first message in database
if (messageList.isEmpty()) {
timestamp = System.currentTimeMillis();
} else {
timestamp = this.messageList.get(0).getTimeSent(); // works only because of the ordering (last msg = first msg in list)
}
ConversationActivity activity = (ConversationActivity) fragment.getActivity();
this.listener.setLoadHistory(true);
activity.xmppConnectionService.loadMoreMessages(activity.getSelectedConversation(), timestamp, this.listener);
} else if (SwipyRefreshLayoutDirection.BOTTOM == direction) { // load messages sent/received between last received or last session establishment and now
Logging.d("mam", "loading missing messages from mam (last session establishing or last received message)");
final ConversationActivity activity = (ConversationActivity) fragment.getActivity();
long lastSessionEstablished = this.getTimestampOfLastSessionEstablished(activity.getSelectedConversation());
long lastReceivedMessage = this.getTimestampOfLastReceivedOrTransmittedMessage();
long startTimestamp = Math.min(lastSessionEstablished, lastReceivedMessage);
MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(activity.getSelectedConversation(), startTimestamp, System.currentTimeMillis());
if (query != null) {
this.listener.setLoadHistory(false);
query.setCallback(this.listener);
} else {
Logging.d("mam", "no query built - no messages loaded");
this.listener.onMoreMessagesLoaded(0, activity.getSelectedConversation());
this.listener.informUser(R.string.no_more_history_on_server);
}
this.listener.informUser(R.string.fetching_history_from_server);
}
}
Logging.d(Config.LOGTAG, "End Refresh swipe container");
}
private long getTimestampOfLastReceivedOrTransmittedMessage() {
long lastReceivedOrTransmittedMessage = Long.MAX_VALUE;
if (null != this.messageList
&& !this.messageList.isEmpty()) {
int lastMessageIndex = this.messageList.size() - 1;
if (0 <= lastMessageIndex && this.messageList.size() > lastMessageIndex) {
lastReceivedOrTransmittedMessage = this.messageList.get(lastMessageIndex).getTimeSent();
}
}
return lastReceivedOrTransmittedMessage;
}
private long getTimestampOfLastSessionEstablished(Conversation conversation) {
long lastSessionEstablished = Long.MAX_VALUE;
if (null != conversation
&& null != conversation.getAccount()
&& null != conversation.getAccount().getXmppConnection()) {
lastSessionEstablished = conversation.getAccount().getXmppConnection().getLastSessionEstablished();
}
return lastSessionEstablished;
}
}
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