From 05893a6c16a6e7e374468bfb6844b2dd80499ab9 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sat, 12 Sep 2020 11:29:39 -0400
Subject: [PATCH] Fix swipe right to exit zapper/picker on touch displays

Regression from:
- https://github.com/gorhill/uBlock/commit/d23f9c6a8b620ae0c61aab7fba7477471bd656fb
---
 src/js/epicker-ui.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/js/epicker-ui.js b/src/js/epicker-ui.js
index d062574c0..fc628e122 100644
--- a/src/js/epicker-ui.js
+++ b/src/js/epicker-ui.js
@@ -301,7 +301,6 @@ const onSvgTouch = (( ) => {
             return;
         }
         if ( startX === undefined ) { return; }
-        if ( ev.cancelable === false ) { return; }
         const stopX = ev.changedTouches[0].screenX;
         const stopY = ev.changedTouches[0].screenY;
         const angle = Math.abs(Math.atan2(stopY - startY, stopX - startX));
@@ -329,7 +328,9 @@ const onSvgTouch = (( ) => {
         if ( swipeRight === false && angle < Math.PI - angleUpperBound ) {
             return;
         }
-        ev.preventDefault();
+        if ( ev.cancelable ) {
+            ev.preventDefault();
+        }
         // Swipe left.
         if ( swipeRight === false ) {
             if ( pickerRoot.classList.contains('paused') ) {