From 8db82c10224c2d2f911f98cb578ad8f4377cc14f Mon Sep 17 00:00:00 2001
From: Martynas Bagdonas <git.martynas@gmail.com>
Date: Thu, 6 Oct 2022 18:00:32 +0300
Subject: [PATCH] Don't allow to rotate or delete pages for read-only PDF

(cherry picked from commit 29dd0cf5dc0244331f868d47eb34f311d546fe84)
---
 chrome/content/zotero/xpcom/reader.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/chrome/content/zotero/xpcom/reader.js b/chrome/content/zotero/xpcom/reader.js
index 505ea89894..9b36b56ab9 100644
--- a/chrome/content/zotero/xpcom/reader.js
+++ b/chrome/content/zotero/xpcom/reader.js
@@ -899,6 +899,7 @@ class ReaderInstance {
 		// Rotate Left
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('pdfReader.rotateLeft'));
+		menuitem.setAttribute('disabled', this._isReadOnly());
 		menuitem.addEventListener('command', async () => {
 			this._postMessage({ action: 'reloading' });
 			await Zotero.PDFWorker.rotatePages(this._itemID, data.pageIndexes, 270, true);
@@ -908,6 +909,7 @@ class ReaderInstance {
 		// Rotate Right
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('pdfReader.rotateRight'));
+		menuitem.setAttribute('disabled', this._isReadOnly());
 		menuitem.addEventListener('command', async () => {
 			this._postMessage({ action: 'reloading' });
 			await Zotero.PDFWorker.rotatePages(this._itemID, data.pageIndexes, 90, true);
@@ -917,6 +919,7 @@ class ReaderInstance {
 		// Rotate 180
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('pdfReader.rotate180'));
+		menuitem.setAttribute('disabled', this._isReadOnly());
 		menuitem.addEventListener('command', async () => {
 			this._postMessage({ action: 'reloading' });
 			await Zotero.PDFWorker.rotatePages(this._itemID, data.pageIndexes, 180, true);
@@ -928,6 +931,7 @@ class ReaderInstance {
 		// Delete
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('general.delete'));
+		menuitem.setAttribute('disabled', this._isReadOnly());
 		menuitem.addEventListener('command', async () => {
 			if (this.promptToDeletePages(data.pageIndexes.length)) {
 				this._postMessage({ action: 'reloading' });