From 42993e708a6e95d38a1e76f3918a63f1580b2a33 Mon Sep 17 00:00:00 2001
From: Roelie <roeland.bosch.1998@gmail.com>
Date: Tue, 19 May 2020 15:24:11 +0200
Subject: [PATCH] Get the selection from the prosemirror root insteadd of the
 window

---
 src/plugins/sync-plugin.js | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/src/plugins/sync-plugin.js b/src/plugins/sync-plugin.js
index 9e9de31..3e51501 100644
--- a/src/plugins/sync-plugin.js
+++ b/src/plugins/sync-plugin.js
@@ -187,24 +187,6 @@ const getElementFromTextNode = node => {
   return node.parentElement
 }
 
-const isDomSelectionInView = () => {
-  const selection = window.getSelection()
-  const anchorElement = getElementFromTextNode(selection.anchorNode)
-  if (selection && isInViewport(anchorElement)) {
-    const focusElement = getElementFromTextNode(selection.focusNode)
-    if (focusElement === anchorElement ||
-      focusElement === selection.anchorNode ||
-      selection.focusNode === focusElement ||
-      selection.focusNode === selection.anchorNode ||
-      isInViewport(focusElement)
-    ) {
-      return true
-    }
-  }
-
-  return false
-}
-
 const isInViewport = element => {
   const bounding = element.getBoundingClientRect()
   const documentElement = dom.doc.documentElement
@@ -261,11 +243,29 @@ export class ProsemirrorBinding {
       setTimeout(() => {
         this._domSelectionInView = null
       }, 0)
-      this._domSelectionInView = isDomSelectionInView()
+      this._domSelectionInView = this._isDomSelectionInView()
     }
     return this._domSelectionInView
   }
 
+  _isDomSelectionInView () {
+    const selection = this.prosemirrorView._root.getSelection()
+    const anchorElement = getElementFromTextNode(selection.anchorNode)
+    if (selection && isInViewport(anchorElement)) {
+      const focusElement = getElementFromTextNode(selection.focusNode)
+      if (focusElement === anchorElement ||
+        focusElement === selection.anchorNode ||
+        selection.focusNode === focusElement ||
+        selection.focusNode === selection.anchorNode ||
+        isInViewport(focusElement)
+      ) {
+        return true
+      }
+    }
+
+    return false
+  }
+
   renderSnapshot (snapshot, prevSnapshot) {
     if (!prevSnapshot) {
       prevSnapshot = Y.createSnapshot(Y.createDeleteSet(), new Map())