messagegui: use obj param for alrdy procd lines

Author: thyttan

apps/messagegui/app.js

@@ -274,11 +274,14 @@ function showMessageScroller(msg) {
   });
 }
 
-function showMessageScroller2(msg, initAtEndOfMsg, persist, alreadyProcessedLines, alreadyProcessedIdx) {
+function showMessageScroller2(msg, initAtEndOfMsg, persist, alreadyProcessed) {
   if (initAtEndOfMsg===undefined) {initAtEndOfMsg = false;}
   if (persist===undefined) {persist = true;}
-  if (!!alreadyProcessedLines) {alreadyProcessedLines = [];}
-  if (!!alreadyProcessedIdx) {alreadyProcessedIdx = [];}
+  if (!!alreadyProcessed) {
+    alreadyProcessed = {};
+    alreadyProcessed.lines = [];
+    alreadyProcessed.idxSpan = [];
+  }
 
   if (replying) { return; }
   if (persist) {
@@ -292,10 +295,10 @@ function showMessageScroller2(msg, initAtEndOfMsg, persist, alreadyProcessedLine
   let startIdx;
   let stopIdx;
 
-  if (alreadyProcessedIdx.length===0){
+  if (alreadyProcessed.idxSpan.length===0){
     startIdx = Math.max(msgIdx-1, 0);
     stopIdx = Math.min(msgIdx+2, MESSAGES.length);
-  } else if (msgIdx > alreadyProcessedIdx[0] && msgid < alreadyProcessedIdx[1]){
+  } else if (msgIdx > alreadyProcessed.idxSpan[0] && msgid < alreadyProcessed.idxSpan[1]){
     startIdx = msgIdx;
     stopIdx = msgIdx+1;
   } else {
@@ -346,7 +349,7 @@ function showMessageScroller2(msg, initAtEndOfMsg, persist, alreadyProcessedLine
     initScroll += messagesWrapped[i].length>8?messagesWrapped[i].length-8:0;
   }
 
-  if (allLines2.length == 0 && alreadyProcessedIdx.length == 0) {
+  if (allLines2.length == 0 && alreadyProcessed.idxSpan.length == 0) {
     cancelReloadTimeout();
     returnToClockIfEmpty();
   }