From f499e31c05506c103df55b2b5c1fb95c5d62ef11 Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Wed, 9 Nov 2022 14:45:46 +0300
Subject: [PATCH] Set custom font family (add api parameter
 customization.font.family)

---
 apps/api/documents/api.js                       | 3 +++
 apps/common/main/resources/less/variables.less  | 1 +
 apps/documenteditor/main/app/controller/Main.js | 8 +++++++-
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index 78d99621c..dda80060d 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -193,6 +193,9 @@
                             change: false/true // hide/show feature in de/pe/sse
                         } / false / true // if false/true - use as init value in de/pe. use instead of customization.spellcheck parameter
                     },
+                    font: {
+                        font-family: Arial,
+                    },
                     chat: true,
                     comments: true,
                     zoom: 100,
diff --git a/apps/common/main/resources/less/variables.less b/apps/common/main/resources/less/variables.less
index 0660a8c87..3e15338ea 100644
--- a/apps/common/main/resources/less/variables.less
+++ b/apps/common/main/resources/less/variables.less
@@ -61,6 +61,7 @@
 @font-family-monospace:   Menlo, Monaco, Consolas, "Courier New", monospace;
 @font-family-tahoma:      tahoma, arial, verdana, sans-serif;
 @font-family-base:        @font-family-sans-serif;
+@font-family-base:        var(--font-family-base-custom, @font-family-sans-serif);
 
 @font-size-base:          11px;
 @font-size-large:         13px;
diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index 48cb93025..ac690ac12 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -380,6 +380,11 @@ define([
                     Common.Utils.InternalSettings.set("guest-username", value);
                     Common.Utils.InternalSettings.set("save-guest-username", !!value);
                 }
+                if (this.appOptions.customization.font) {
+                    this.appOptions.customization.font.family && document.documentElement.style.setProperty("--font-family-base-custom", this.appOptions.customization.font.family);
+                }
+
+
                 this.editorConfig.user          =
                 this.appOptions.user            = Common.Utils.fillUserInfo(this.editorConfig.user, this.editorConfig.lang, value ? (value + ' (' + this.appOptions.guestName + ')' ) : this.textAnonymous,
                                                                             Common.localStorage.getItem("guest-id") || ('uid-' + Date.now()));
@@ -1418,7 +1423,8 @@ define([
                         });
                     }
                 } else if (!this.appOptions.isDesktopApp && !this.appOptions.canBrandingExt &&
-                            this.editorConfig && this.editorConfig.customization && (this.editorConfig.customization.loaderName || this.editorConfig.customization.loaderLogo)) {
+                            this.editorConfig && this.editorConfig.customization && (this.editorConfig.customization.loaderName || this.editorConfig.customization.loaderLogo ||
+                                                                                     this.editorConfig.customization.font.family)) {
                     Common.UI.warning({
                         title: this.textPaidFeature,
                         msg  : this.textCustomLoader,