1 files changed, 9 insertions, 18 deletions
diff --git a/src/components/chat/chat_layout_utils.js b/src/components/chat/chat_layout_utils.js
index 50a933ac..c187892d 100644
--- a/src/components/chat/chat_layout_utils.js
+++ b/src/components/chat/chat_layout_utils.js
@@ -1,9 +1,9 @@
 // Captures a scroll position
-export const getScrollPosition = (el) => {
+export const getScrollPosition = () => {
   return {
-    scrollTop: el.scrollTop,
-    scrollHeight: el.scrollHeight,
-    offsetHeight: el.offsetHeight
+    scrollTop: window.scrollY,
+    scrollHeight: document.documentElement.scrollHeight,
+    offsetHeight: window.innerHeight
   }
 }
 
@@ -13,21 +13,12 @@ export const getNewTopPosition = (previousPosition, newPosition) => {
   return previousPosition.scrollTop + (newPosition.scrollHeight - previousPosition.scrollHeight)
 }
 
-export const isBottomedOut = (el, offset = 0) => {
-  if (!el) { return }
-  const scrollHeight = el.scrollTop + offset
-  const totalHeight = el.scrollHeight - el.offsetHeight
+export const isBottomedOut = (offset = 0) => {
+  const scrollHeight = window.scrollY + offset
+  const totalHeight = document.documentElement.scrollHeight - window.innerHeight
   return totalHeight <= scrollHeight
 }
-
-// Height of the scrollable container. The dynamic height is needed to ensure the mobile browser panel doesn't overlap or hide the posting form.
-export const scrollableContainerHeight = (inner, header, footer) => {
-  return inner.offsetHeight - header.clientHeight - footer.clientHeight
-}
-
 // Returns whether or not the scrollbar is visible.
-export const isScrollable = (el) => {
-  if (!el) return
-
-  return el.scrollHeight > el.clientHeight
+export const isScrollable = () => {
+  return document.documentElement.scrollHeight > window.innerHeight
 }