1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/listeners/ConversationSwipeRefreshListener.java b/src/main/java/eu/siacs/conversations/ui/listeners/ConversationSwipeRefreshListener.java
new file mode 100644
index 00000000..f2b5ca22
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/listeners/ConversationSwipeRefreshListener.java
@@ -0,0 +1,72 @@
+package eu.siacs.conversations.ui.listeners;
+
+import de.thedevstack.conversationsplus.R;
+import de.thedevstack.conversationsplus.services.MessageArchiveService;
+import de.thedevstack.conversationsplus.utils.Logging;
+import android.widget.ListView;
+
+import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout;
+import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayoutDirection;
+
+import java.util.List;
+
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.ui.ConversationActivity;
+import eu.siacs.conversations.ui.ConversationFragment;
+import eu.siacs.conversations.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) {
+                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) {
+                Logging.d("mam", "loading missing messages from mam (last session establishing or last received message)");
+                final ConversationActivity activity = (ConversationActivity) fragment.getActivity();
+                long lastSessionEstablished = activity.getSelectedConversation().getAccount().getXmppConnection().getLastSessionEstablished();
+                int lastMessageIndex = this.messageList.size() - 1;
+                long lastReceivedMessage = (0 <= lastMessageIndex) ? this.messageList.get(lastMessageIndex).getTimeSent() : Long.MAX_VALUE;
+                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 {
+                    activity.runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            listener.onMoreMessagesLoaded(0, activity.getSelectedConversation());
+                        }
+                    });
+                }
+                this.listener.informUser(R.string.fetching_history_from_server);
+            }
+        }
+        Logging.d(Config.LOGTAG, "End Refresh swipe container");
+    }
+}