From be57b1fae72db250181ab38152dd29afb3c017f6 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Mon, 28 Jun 2021 21:10:28 +0300
Subject: [PATCH 1/2] Disable language button on disconnect

---
 apps/documenteditor/main/app/view/Statusbar.js     | 1 +
 apps/presentationeditor/main/app/view/Statusbar.js | 1 +
 2 files changed, 2 insertions(+)

diff --git a/apps/documenteditor/main/app/view/Statusbar.js b/apps/documenteditor/main/app/view/Statusbar.js
index 1d9ded350d..55b69d8c3e 100644
--- a/apps/documenteditor/main/app/view/Statusbar.js
+++ b/apps/documenteditor/main/app/view/Statusbar.js
@@ -322,6 +322,7 @@ define([
                 if (this.api) {
                     this.api.asc_registerCallback('asc_onCountPages',   _.bind(_onCountPages, this));
                     this.api.asc_registerCallback('asc_onCurrentPage',  _.bind(_onCurrentPage, this));
+                    this.api.asc_registerCallback('asc_onCoAuthoringDisconnect',_.bind(this.onApiCoAuthoringDisconnect, this));
                     Common.NotificationCenter.on('api:disconnect',      _.bind(this.onApiCoAuthoringDisconnect, this));
                 }
 
diff --git a/apps/presentationeditor/main/app/view/Statusbar.js b/apps/presentationeditor/main/app/view/Statusbar.js
index e6b427b7f2..676d3f347e 100644
--- a/apps/presentationeditor/main/app/view/Statusbar.js
+++ b/apps/presentationeditor/main/app/view/Statusbar.js
@@ -301,6 +301,7 @@ define([
                     this.api.asc_registerCallback('asc_onCountPages',   _.bind(_onCountPages, this));
                     this.api.asc_registerCallback('asc_onCurrentPage',  _.bind(_onCurrentPage, this));
                     this.api.asc_registerCallback('asc_onFocusObject', _.bind(this.onApiFocusObject, this));
+                    this.api.asc_registerCallback('asc_onCoAuthoringDisconnect',_.bind(this.onApiCoAuthoringDisconnect, this));
                     Common.NotificationCenter.on('api:disconnect',     _.bind(this.onApiCoAuthoringDisconnect, this));
                 }
 

From 97c7708d0dabb81adb2e1c969896db722cdabed0 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Mon, 28 Jun 2021 22:17:56 +0300
Subject: [PATCH 2/2] Disable save, undo/redo on disconnect

---
 apps/documenteditor/main/app/view/Toolbar.js     | 4 ++++
 apps/presentationeditor/main/app/view/Toolbar.js | 3 +++
 apps/spreadsheeteditor/main/app/view/Toolbar.js  | 5 ++++-
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 76b0d9fe5a..aaa31a73cf 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -2082,6 +2082,10 @@ define([
             setMode: function (mode) {
                 if (mode.isDisconnected) {
                     this.btnSave.setDisabled(true);
+                    this.btnUndo.setDisabled(true);
+                    this.btnRedo.setDisabled(true);
+                    if ( this.synchTooltip )
+                        this.synchTooltip.hide();
                     if (!mode.enableDownload)
                         this.btnPrint.setDisabled(true);
                 }
diff --git a/apps/presentationeditor/main/app/view/Toolbar.js b/apps/presentationeditor/main/app/view/Toolbar.js
index 2cfc5e3534..155d277bed 100644
--- a/apps/presentationeditor/main/app/view/Toolbar.js
+++ b/apps/presentationeditor/main/app/view/Toolbar.js
@@ -1398,6 +1398,9 @@ define([
             setMode: function (mode) {
                 if (mode.isDisconnected) {
                     this.lockToolbar(PE.enumLock.lostConnect, true);
+                    this.lockToolbar( PE.enumLock.lostConnect, true, {array:[this.btnUndo,this.btnRedo,this.btnSave]} );
+                    if ( this.synchTooltip )
+                        this.synchTooltip.hide();
                     if (!mode.enableDownload)
                         this.lockToolbar(PE.enumLock.cantPrint, true, {array: [this.btnPrint]});
                 } else
diff --git a/apps/spreadsheeteditor/main/app/view/Toolbar.js b/apps/spreadsheeteditor/main/app/view/Toolbar.js
index 54e6b0f389..fb482ea8d7 100644
--- a/apps/spreadsheeteditor/main/app/view/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Toolbar.js
@@ -396,6 +396,7 @@ define([
                     id          : 'id-toolbar-btn-save',
                     cls         : 'btn-toolbar',
                     iconCls     : 'toolbar__icon no-mask ' + me.btnSaveCls,
+                    lock        : [_set.lostConnect],
                     signals     : ['disabled']
                 });
                 me.btnCollabChanges = me.btnSave;
@@ -2213,7 +2214,9 @@ define([
             if (mode.isDisconnected) {
                 this.lockToolbar( SSE.enumLock.lostConnect, true );
                 this.lockToolbar( SSE.enumLock.lostConnect, true,
-                    {array:[this.btnEditChart, this.btnEditChartData, this.btnEditChartType, this.btnUndo,this.btnRedo]} );
+                    {array:[this.btnEditChart, this.btnEditChartData, this.btnEditChartType, this.btnUndo,this.btnRedo,this.btnSave]} );
+                if ( this.synchTooltip )
+                    this.synchTooltip.hide();
                 if (!mode.enableDownload)
                     this.lockToolbar(SSE.enumLock.cantPrint, true, {array: [this.btnPrint]});
             } else {