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[AIR] fix exception when trying to scroll a short chat list

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This commit is contained in:
Chad Pilkey 2018-02-08 14:26:40 -05:00
parent 7139777588
commit 8bd7f9c721
1 changed files with 5 additions and 1 deletions
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6
clients/flash/common-library/src/main/actionscript/org/bigbluebutton/lib/chat/views/ChatViewMediatorBase.as
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@ -15,6 +15,7 @@ package org.bigbluebutton.lib.chat.views {
import robotlegs.bender.bundles.mvcs.Mediator;
import spark.components.VScrollBar;
import spark.core.NavigationUnit;
public class ChatViewMediatorBase extends Mediator {
@ -58,7 +59,10 @@ package org.bigbluebutton.lib.chat.views {
protected function onNewMessage(chatId:String):void {
if (_chat && _chat.chatId == chatId) {
if (view) {
view.chatList.scroller.verticalScrollBar.value = view.chatList.scroller.verticalScrollBar.maximum;
var vScrollBar:VScrollBar = view.chatList.scroller.verticalScrollBar;
if (vScrollBar) {
vScrollBar.value = vScrollBar.maximum;
}
}
_chat.newMessages = 0;
}