improve hidedownloadenh/noid/improve-hidedownload

Signed-off-by: szaimen <szaimen@e.mail.de>

2 files changed, 55 insertions, 1 deletions

diff --git a/apps/files_sharing/css/public.scss b/apps/files_sharing/css/public.scss
index aadf7d41037..2f5ca5bf0a6 100644
--- a/apps/files_sharing/css/public.scss
+++ b/apps/files_sharing/css/public.scss
@@ -51,6 +51,18 @@ thead {
 	left: 0 !important;
 }
 
+// blur page when focus is removed
+.blur_body { 
+	filter: blur(5px); 
+}
+
+// disable printing
+@media print { 
+	.disable_print { 
+		display: none 
+	}
+}
+
 #data-upload-form {
 	position: relative;
 	right: 0;
diff --git a/apps/files_sharing/js/public.js b/apps/files_sharing/js/public.js
index bfb035fb817..58d320625bd 100644
--- a/apps/files_sharing/js/public.js
+++ b/apps/files_sharing/js/public.js
@@ -50,13 +50,55 @@ OCA.Sharing.PublicApp = {
 		var token = $('#sharingToken').val();
 		var hideDownload = $('#hideDownload').val();
 
-		// Prevent all right-click options if hideDownload is enabled
 		if (hideDownload === 'true') {
+			// Prevent all right-click options
 			window.oncontextmenu = function(event) {
 				event.preventDefault();
 				event.stopPropagation();
 				return false;
 		   };
+
+			// Prevent printing
+			document.body.classList.add('disable_print');
+			window.addEventListener('keydown', (event) => {
+				if (event.key === "PrintScreen") {
+					event.preventDefault();
+					event.stopPropagation();
+					return false;
+				}
+			});
+			window.addEventListener('keydown', (event) => {
+				if (event.key === "p" && event.ctrlKey === true) {
+					event.preventDefault();
+					event.stopPropagation();
+					return false;
+				}
+			});
+
+			// Prevent saving
+			window.addEventListener('keydown', (event) => {
+				if (event.key === "Save") {
+					event.preventDefault();
+					event.stopPropagation();
+					return false;
+				}
+			});
+			window.addEventListener('keydown', (event) => {
+				if (event.key === "s" && event.ctrlKey === true) {
+					event.preventDefault();
+					event.stopPropagation();
+					return false;
+				}
+			});
+
+			// Blur elements when window has no focus in order to make screenshots harder
+			setInterval(function () {
+				if (document.hasFocus()) {
+					document.body.classList.remove('blur_body');
+				} else {
+					document.body.classList.add('blur_body');
+				}
+			}, 300);
 		}
 
 		// file list mode ?