client/views: show "!" in document title on errors

Closes #96

2 files changed, 7 insertions, 0 deletions

diff --git a/client/js/models/top_navigation.js b/client/js/models/top_navigation.js
index 5b93d99..ebb3753 100644
--- a/client/js/models/top_navigation.js
+++ b/client/js/models/top_navigation.js
@@ -53,6 +53,7 @@ class TopNavigation extends events.EventTarget {
     }
 
     setTitle(title) {
+        document.oldTitle = null;
         document.title = config.name + (title ? (' – ' + title) : '');
     }
 
diff --git a/client/js/util/views.js b/client/js/util/views.js
index 0d3f71f..31c19dd 100644
--- a/client/js/util/views.js
+++ b/client/js/util/views.js
@@ -288,6 +288,8 @@ function showMessage(target, message, className) {
 }
 
 function showError(target, message) {
+    document.oldTitle = document.title;
+    document.title = `! ${document.title}`;
     return showMessage(target, misc.formatInlineMarkdown(message), 'error');
 }
 
@@ -300,6 +302,10 @@ function showInfo(target, message) {
 }
 
 function clearMessages(target) {
+    if (document.oldTitle) {
+        document.title = document.oldTitle;
+        document.oldTitle = null;
+    }
     const messagesHolder = target.querySelector('.messages');
     /* TODO: animate that */
     emptyContent(messagesHolder);