From bec97f84a2239862a6249cea3938dc8b19d3f1da Mon Sep 17 00:00:00 2001
From: wdg100 <wdg100@163.com>
Date: Sun, 15 Dec 2019 15:48:29 +0800
Subject: [PATCH] fix close issue during an action when swiped into backdrop

---
 src/js/bootstrap-dialog.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/js/bootstrap-dialog.js b/src/js/bootstrap-dialog.js
index b613564..d97578c 100644
--- a/src/js/bootstrap-dialog.js
+++ b/src/js/bootstrap-dialog.js
@@ -319,10 +319,21 @@
     BootstrapDialog.METHODS_TO_OVERRIDE = {};
     BootstrapDialog.METHODS_TO_OVERRIDE['v3.1'] = {
         handleModalBackdropEvent: function () {
-            this.getModal().on('click', {dialog: this}, function (event) {
-                event.target === this && event.data.dialog.isClosable() && event.data.dialog.canCloseByBackdrop() && event.data.dialog.close();
+            var dropbackClicked = 0;
+            this.getModal().on('mousedown', {dialog: this}, function (event) {
+                if (event.target === this) {
+                    dropbackClicked++;
+                } else {
+                    dropbackClicked = 0;
+                }
+            });
+            this.getModal().on('mouseup', {dialog: this}, function (event) {
+                if (event.target === this && dropbackClicked > 0) {
+                    dropbackClicked++;
+                    event.data.dialog.isClosable() && event.data.dialog.canCloseByBackdrop() && event.data.dialog.close()
+                }
+                dropbackClicked = 0;
             });
-
             return this;
         },
         /**