make read markers work

src/main/java/eu/siacs/conversations/ui/ConversationActivity.java

@@ -72,6 +72,7 @@ public class ConversationActivity extends XmppActivity implements OnConversation
 	int[] FRAGMENT_ID_NOTIFICATION_ORDER = {R.id.secondary_fragment, R.id.main_fragment};
 	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
 	private ActivityConversationsBinding binding;
+	private boolean mActivityPaused = true;
 
 	private static boolean isViewIntent(Intent i) {
 		return i != null && ACTION_VIEW_CONVERSATION.equals(i.getAction()) && i.hasExtra(EXTRA_CONVERSATION);
@@ -214,6 +215,22 @@ public class ConversationActivity extends XmppActivity implements OnConversation
 		}
 	}
 
+	@Override
+	public void onPause() {
+		this.mActivityPaused = true;
+		super.onPause();
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		final int theme = findTheme();
+		if (this.mTheme != theme) {
+			recreate();
+		}
+		this.mActivityPaused = false;
+	}
+
 	private void initializeFragments() {
 		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 		Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
@@ -287,7 +304,9 @@ public class ConversationActivity extends XmppActivity implements OnConversation
 
 	@Override
 	public void onConversationRead(Conversation conversation) {
-		Log.d(Config.LOGTAG, "read event for " + conversation.getName() + " received");
+		if (!mActivityPaused && pendingViewIntent.peek() == null) {
+			xmppConnectionService.sendReadMarker(conversation);
+		}
 	}
 
 	@Override

src/main/java/eu/siacs/conversations/ui/ConversationFragment.java

@@ -1579,17 +1579,17 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
 		}
 	}
 
-	public boolean reInit(Conversation conversation) {
+	public void reInit(Conversation conversation) {
 		Log.d(Config.LOGTAG, "reInit()");
 		if (conversation == null) {
 			Log.d(Config.LOGTAG, "conversation was null :(");
-			return false;
+			return;
 		}
 
 		if (this.activity == null) {
 			Log.d(Config.LOGTAG, "activity was null");
 			this.conversation = conversation;
-			return false;
+			return;
 		}
 
 		setupIme();
@@ -1617,8 +1617,9 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
 		this.binding.textinput.setKeyboardListener(this);
 		messageListAdapter.updatePreferences();
 		this.binding.messagesView.setAdapter(messageListAdapter);
-		refresh();
+		refresh(false);
 		this.conversation.messagesLoaded.set(true);
+		final boolean isAtBottom;
 		synchronized (this.messageList) {
 			final Message first = conversation.getFirstUnreadMessage();
 			final int bottom = Math.max(0, this.messageList.size() - 1);
@@ -1630,7 +1631,10 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
 				pos = i < 0 ? bottom : i;
 			}
 			this.binding.messagesView.setSelection(pos);
-			return pos == bottom;
+			isAtBottom = pos == bottom;
+		}
+		if (activity != null) {
+			activity.onConversationRead(this.conversation);
 		}
 	}
 
@@ -1727,6 +1731,11 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
 
 	@Override
 	public void refresh() {
+		this.refresh(true);
+	}
+
+
+	private void refresh(boolean notifyConversationRead) {
 		synchronized (this.messageList) {
 			if (this.conversation != null) {
 				conversation.populateWithMessages(this.messageList);
@@ -1734,7 +1743,7 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
 				updateStatusMessages();
 				this.messageListAdapter.notifyDataSetChanged();
 				updateChatMsgHint();
-				if (activity != null) {
+				if (notifyConversationRead && activity != null) {
 					activity.onConversationRead(this.conversation);
 				}
 				updateSendButton();

src/main/java/eu/siacs/conversations/ui/ConversationLegacyActivity.java

@@ -645,10 +645,10 @@ public class ConversationLegacyActivity extends XmppActivity
 					updateActionBarTitle(true);
 				}
 			}
-			if (this.mConversationFragment.reInit(getSelectedConversation())) {
+			/*if (this.mConversationFragment.reInit(getSelectedConversation())) {
 				Log.d(Config.LOGTAG, "setting scroll position on fragment");
 				this.mConversationFragment.setScrollPosition(mScrollPosition);
-			}
+			}*/
 			mOpenConversation = null;
 		} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
 			clearPending();

src/main/java/eu/siacs/conversations/ui/ConversationsOverviewFragment.java

@@ -31,7 +31,6 @@ package eu.siacs.conversations.ui;
 
 import android.app.Activity;
 import android.app.Fragment;
-import android.content.Context;
 import android.databinding.DataBindingUtil;
 import android.os.Bundle;
 import android.util.Log;