From 630799d928f843fcba3a13234fcd691ba70fbc75 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Mon, 19 Jul 2021 13:42:03 +0300
Subject: [PATCH 1/2] [DE] Add parameter
 customization->review->hideReviewDisplay for hiding display mode button

---
 apps/api/documents/api.js                  | 3 +++
 apps/common/main/lib/view/ReviewChanges.js | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index e6868323e..2aa7ad002 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -135,6 +135,9 @@
                         request: bool (default: true), // enable set name
                         label: string (default: "Guest") // postfix for user name
                     },
+                    review: {
+                        hideReviewDisplay: false // hide button Review mode
+                    },
                     chat: true,
                     comments: true,
                     zoom: 100,
diff --git a/apps/common/main/lib/view/ReviewChanges.js b/apps/common/main/lib/view/ReviewChanges.js
index 6463da232..0b52de0d9 100644
--- a/apps/common/main/lib/view/ReviewChanges.js
+++ b/apps/common/main/lib/view/ReviewChanges.js
@@ -277,7 +277,7 @@ define([
                         caption: this.txtNext
                     });
 
-                    if (!this.appConfig.isRestrictedEdit) {// hide Display mode option for fillForms and commenting mode
+                    if (!this.appConfig.isRestrictedEdit && !(this.appConfig.customization && this.appConfig.customization.review && this.appConfig.customization.review.hideReviewDisplay)) {// hide Display mode option for fillForms and commenting mode
                         var menuTemplate = _.template('<a id="<%= id %>" tabindex="-1" type="menuitem"><div><%= caption %></div>' +
                             '<% if (options.description !== null) { %><label style="display: block;color: #a5a5a5;cursor: pointer;white-space: normal;"><%= options.description %></label>' +
                             '<% } %></a>');

From 4177faa7eea1bb91127c00f99912e679fe15df29 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Mon, 19 Jul 2021 14:06:01 +0300
Subject: [PATCH 2/2] [DE] Support events for change review display mode

---
 apps/common/main/lib/controller/ReviewChanges.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/apps/common/main/lib/controller/ReviewChanges.js b/apps/common/main/lib/controller/ReviewChanges.js
index 28b169af6..b9c7ac6b2 100644
--- a/apps/common/main/lib/controller/ReviewChanges.js
+++ b/apps/common/main/lib/controller/ReviewChanges.js
@@ -131,6 +131,8 @@ define([
                     this.api.asc_registerCallback('asc_onUpdateRevisionsChangesPosition', _.bind(this.onApiUpdateChangePosition, this));
                     this.api.asc_registerCallback('asc_onAuthParticipantsChanged', _.bind(this.onAuthParticipantsChanged, this));
                     this.api.asc_registerCallback('asc_onParticipantsChanged',     _.bind(this.onAuthParticipantsChanged, this));
+                    this.api.asc_registerCallback('asc_onBeginViewModeInReview',   _.bind(this.onBeginViewModeInReview, this));
+                    this.api.asc_registerCallback('asc_onEndViewModeInReview',     _.bind(this.onEndViewModeInReview, this));
                 }
                 if (this.appConfig.canReview)
                     this.api.asc_registerCallback('asc_onOnTrackRevisionsChange', _.bind(this.onApiTrackRevisionsChange, this));
@@ -694,6 +696,18 @@ define([
             this._state.previewMode = (mode == 'final' || mode == 'original');
         },
 
+        onBeginViewModeInReview: function(mode) {
+            this.disableEditing(true);
+            this.view && this.view.turnDisplayMode(mode ? 'final' : 'original');
+            this._state.previewMode = true;
+        },
+
+        onEndViewModeInReview: function() {
+            this.disableEditing(false);
+            this.view && this.view.turnDisplayMode('markup');
+            this._state.previewMode = false;
+        },
+
         isPreviewChangesMode: function() {
             return this._state.previewMode;
         },