- Introduction of SwipeRefreshLayout for conversation view

- OnScrollListener for ListView of messages removed and replaced with swipe refresh
- Loading of messages now possible even if no message is present in conversation

1 files changed, 48 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..09a8d730
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/listeners/ConversationSwipeRefreshListener.java
@@ -0,0 +1,48 @@
+package eu.siacs.conversations.ui.listeners;
+
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.util.Log;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.Toast;
+
+import java.util.List;
+
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.XmppConnectionService;
+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 SwipeRefreshLayout.OnRefreshListener {
+    private List<Message> messageList;
+    private ConversationFragment fragment;
+    private ConversationMoreMessagesLoadedListener listener;
+
+    public ConversationSwipeRefreshListener(List<Message> messageList, SwipeRefreshLayout 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() {
+        Log.d(Config.LOGTAG, "Refresh swipe container");
+        synchronized (this.messageList) {
+            long timestamp;
+            if (messageList.isEmpty()) {
+                timestamp = System.currentTimeMillis();
+            } else {
+                timestamp = this.messageList.get(0).getTimeSent();
+            }
+            ConversationActivity activity = (ConversationActivity) fragment.getActivity();
+            activity.xmppConnectionService.loadMoreMessages(activity.getSelectedConversation(), timestamp, this.listener);
+        }
+        Log.d(Config.LOGTAG, "End Refresh swipe container");
+    }
+}