Implements FS#83: Reload from last received message

4 files changed, 50 insertions, 20 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/ConversationFragment.java b/src/main/java/de/thedevstack/conversationsplus/ui/ConversationFragment.java
index 94cb896b..3ee79412 100644
--- a/src/main/java/de/thedevstack/conversationsplus/ui/ConversationFragment.java
+++ b/src/main/java/de/thedevstack/conversationsplus/ui/ConversationFragment.java
@@ -10,7 +10,6 @@ import android.content.Intent;
 import android.content.IntentSender;
 import android.content.IntentSender.SendIntentException;
 import android.os.Bundle;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.text.InputType;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
@@ -34,6 +33,8 @@ import android.widget.TextView;
 import android.widget.TextView.OnEditorActionListener;
 import android.widget.Toast;
 
+import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout;
+
 import net.java.otr4j.session.SessionStatus;
 
 import java.util.ArrayList;
@@ -108,7 +109,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 		}
 	};
 	protected ListView messagesView;
-    protected SwipeRefreshLayout swipeLayout;
+    protected SwipyRefreshLayout swipeLayout;
     final protected List<Message> messageList = new ArrayList<>();
 	protected MessageAdapter messageListAdapter;
 	private EditMessage mEditMessage;
@@ -439,7 +440,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
 		// Start of swipe refresh
 		// New Swipe refresh
-		swipeLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipe_refresh_container);
+		swipeLayout = (SwipyRefreshLayout) view.findViewById(R.id.swipe_refresh_container);
 		swipeLayout.setOnRefreshListener(new ConversationSwipeRefreshListener(messageList, swipeLayout, this, messagesView, messageListAdapter));
 		// End of swipe refresh
 
diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationMoreMessagesLoadedListener.java b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationMoreMessagesLoadedListener.java
index cdc60187..774e72ba 100644
--- a/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationMoreMessagesLoadedListener.java
+++ b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationMoreMessagesLoadedListener.java
@@ -1,10 +1,11 @@
 package de.thedevstack.conversationsplus.ui.listeners;
 
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.view.View;
 import android.widget.ListView;
 import android.widget.Toast;
 
+import com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout;
+
 import java.util.List;
 
 import de.thedevstack.conversationsplus.entities.Conversation;
@@ -18,7 +19,7 @@ import de.thedevstack.conversationsplus.ui.adapter.MessageAdapter;
  * This listener updates the UI when messages are loaded from the server.
  */
 public class ConversationMoreMessagesLoadedListener implements XmppConnectionService.OnMoreMessagesLoaded {
-    private SwipeRefreshLayout swipeLayout;
+    private SwipyRefreshLayout swipeLayout;
     private List<Message> messageList;
     private ConversationFragment fragment;
     private ListView messagesView;
@@ -29,7 +30,7 @@ public class ConversationMoreMessagesLoadedListener implements XmppConnectionSer
      */
     private boolean loadingMessages = false;
 
-    public ConversationMoreMessagesLoadedListener(SwipeRefreshLayout swipeLayout, List<Message> messageList, ConversationFragment fragment, ListView messagesView, MessageAdapter messageListAdapter) {
+    public ConversationMoreMessagesLoadedListener(SwipyRefreshLayout swipeLayout, List<Message> messageList, ConversationFragment fragment, ListView messagesView, MessageAdapter messageListAdapter) {
         this.swipeLayout = swipeLayout;
         this.messageList = messageList;
 
diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationSwipeRefreshListener.java b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationSwipeRefreshListener.java
index 84203bf4..c6e00bed 100644
--- a/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationSwipeRefreshListener.java
+++ b/src/main/java/de/thedevstack/conversationsplus/ui/listeners/ConversationSwipeRefreshListener.java
@@ -1,9 +1,13 @@
 package de.thedevstack.conversationsplus.ui.listeners;
 
-import android.support.v4.widget.SwipeRefreshLayout;
+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 de.thedevstack.conversationsplus.Config;
@@ -15,29 +19,51 @@ import de.thedevstack.conversationsplus.ui.adapter.MessageAdapter;
 /**
  * This listener starts loading messages from the server.
  */
-public class ConversationSwipeRefreshListener implements SwipeRefreshLayout.OnRefreshListener {
+public class ConversationSwipeRefreshListener implements SwipyRefreshLayout.OnRefreshListener {
     private List<Message> messageList;
     private ConversationFragment fragment;
     private ConversationMoreMessagesLoadedListener listener;
 
-    public ConversationSwipeRefreshListener(List<Message> messageList, SwipeRefreshLayout swipeLayout, ConversationFragment fragment, ListView messagesView, MessageAdapter messageListAdapter) {
+    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() {
+    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 (messageList.isEmpty()) {
-                timestamp = System.currentTimeMillis();
-            } else {
-                timestamp = this.messageList.get(0).getTimeSent(); // works only because of the ordering (last msg = first msg in list)
+            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();
+                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) {
+                    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);
             }
-            ConversationActivity activity = (ConversationActivity) fragment.getActivity();
-            activity.xmppConnectionService.loadMoreMessages(activity.getSelectedConversation(), timestamp, this.listener);
         }
         Logging.d(Config.LOGTAG, "End Refresh swipe container");
     }
diff --git a/src/main/res/layout/fragment_conversation.xml b/src/main/res/layout/fragment_conversation.xml
index aab37295..e70e9a05 100644
--- a/src/main/res/layout/fragment_conversation.xml
+++ b/src/main/res/layout/fragment_conversation.xml
@@ -1,17 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/grey200" >
+    android:background="@color/grey200">
 
-    <android.support.v4.widget.SwipeRefreshLayout
+    <com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:layout_above="@+id/snackbar"
         android:layout_alignParentLeft="true"
         android:layout_alignParentTop="true"
-        android:id="@+id/swipe_refresh_container">
+        android:id="@+id/swipe_refresh_container"
+        app:direction="both">
     <ListView
         android:id="@+id/messages_view"
         android:layout_width="fill_parent"
@@ -27,7 +29,7 @@
         android:transcriptMode="normal"
         tools:listitem="@layout/message_sent" >
     </ListView>
-    </android.support.v4.widget.SwipeRefreshLayout>
+    </com.orangegangsters.github.swipyrefreshlayout.library.SwipyRefreshLayout>
 
     <RelativeLayout
         android:id="@+id/textsend"