Fix hotkey input field conflict (#1963)

* Move comment

* Add DocumentUtil.isInputElement

* Use DocumentUtil.isInputElement

* Fix simple hotkeys (shift or no modifier) preventing text field input

* Improve input detection

* Validate key is an input character before blocking hotkey

* Simplify

* Fix incorrect property

1 files changed, 16 insertions, 2 deletions

diff --git a/ext/js/dom/document-util.js b/ext/js/dom/document-util.js
index da4d3e61..0338d452 100644
--- a/ext/js/dom/document-util.js
+++ b/ext/js/dom/document-util.js
@@ -311,6 +311,22 @@ class DocumentUtil {
         return !(browser === 'firefox' || browser === 'firefox-mobile') || os === 'mac';
     }
 
+    static isInputElementFocused() {
+        const element = document.activeElement;
+        if (element === null) { return false; }
+        const type = element.nodeName.toUpperCase();
+        switch (type) {
+            case 'INPUT':
+            case 'TEXTAREA':
+            case 'SELECT':
+                return true;
+            default:
+                return element.isContentEditable;
+        }
+    }
+
+    // Private
+
     static _getActiveButtons(event, array) {
         let {buttons} = event;
         if (typeof buttons === 'number' && buttons > 0) {
@@ -325,8 +341,6 @@ class DocumentUtil {
         }
     }
 
-    // Private
-
     _setImposterStyle(style, propertyName, value) {
         style.setProperty(propertyName, value, 'important');
     }