From d2cfac222ef7c144047eb7518a32f7cf9b39144f Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Sun, 21 Feb 2016 17:32:46 +0100
Subject: show load more messages when auto loading is disabled and messages
 are still left on server

---
 .../conversations/services/MessageArchiveService.java    |  4 ++++
 .../eu/siacs/conversations/ui/ConversationFragment.java  | 16 ++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java b/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
index 165c7c2a..59a37fe5 100644
--- a/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
+++ b/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
@@ -189,6 +189,10 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
 		}
 	}
 
+	public boolean queryInProgress(Conversation conversation) {
+		return queryInProgress(conversation, null);
+	}
+
 	public void processFin(Element fin, Jid from) {
 		if (fin == null) {
 			return;
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index a39b6fee..ac06452a 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -53,6 +53,7 @@ import eu.siacs.conversations.entities.MucOptions;
 import eu.siacs.conversations.entities.Presence;
 import eu.siacs.conversations.entities.Transferable;
 import eu.siacs.conversations.entities.TransferablePlaceholder;
+import eu.siacs.conversations.services.MessageArchiveService;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected;
 import eu.siacs.conversations.ui.XmppActivity.OnValueEdited;
@@ -1052,10 +1053,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
 	protected void updateStatusMessages() {
 		synchronized (this.messageList) {
-			final XmppConnection connection = conversation.getAccount().getXmppConnection();
-			if (conversation.getLastClearHistory() != 0
-					&& connection != null
-					&& connection.getFeatures().mam()) {
+			if (showLoadMoreMessages(conversation)) {
 				this.messageList.add(0, Message.createLoadMoreMessage(conversation));
 			}
 			if (conversation.getMode() == Conversation.MODE_SINGLE) {
@@ -1081,8 +1079,14 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 		}
 	}
 
-	protected void showSnackbar(final int message, final int action,
-								final OnClickListener clickListener) {
+	private boolean showLoadMoreMessages(final Conversation c) {
+		final XmppConnection connection = c.getAccount().getXmppConnection();
+		final boolean mam = connection != null && connection.getFeatures().mam();
+		final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService();
+		return mam && (c.getLastClearHistory() != 0  || (c.countMessages() == 0 && c.hasMessagesLeftOnServer()  && !service.queryInProgress(c)));
+	}
+
+	protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) {
 		snackbar.setVisibility(View.VISIBLE);
 		snackbar.setOnClickListener(null);
 		snackbarMessage.setText(message);
-- 
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