From 2adb2fcf673f1077e5bbe8a3b7ac6e78e4d4c1a4 Mon Sep 17 00:00:00 2001
From: dolymood <dolymood@gmail.com>
Date: Mon, 1 Jun 2020 15:06:49 +0800
Subject: [PATCH] fix(image-preview): bounce when zooming

707
---
 src/common/bscroll/constants.js                | 2 +-
 src/components/image-preview/image-preview.vue | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/common/bscroll/constants.js b/src/common/bscroll/constants.js
index 6279924f..ae1ea245 100644
--- a/src/common/bscroll/constants.js
+++ b/src/common/bscroll/constants.js
@@ -7,7 +7,7 @@ function getUseTransition() {
     const version = getIOSVersion(ua)
     if (!version) return useTransition
 
-    if (version.major >= 13 && version.minor >= 4) {
+    if (version.major >= 13 && version.minor >= 3) {
       useTransition = false
     }
   }
diff --git a/src/components/image-preview/image-preview.vue b/src/components/image-preview/image-preview.vue
index f15aa134..b55774c7 100644
--- a/src/components/image-preview/image-preview.vue
+++ b/src/components/image-preview/image-preview.vue
@@ -49,6 +49,7 @@
   import visibilityMixin from '../../common/mixins/visibility'
   import popupMixin from '../../common/mixins/popup'
   import { isAndroid } from '../../common/helpers/env'
+  import { USE_TRANSITION } from '../../common/bscroll/constants'
 
   const COMPONENT_NAME = 'cube-image-preview'
   const EVENT_CHANGE = 'change'
@@ -91,11 +92,12 @@
             left: true,
             right: true
           },
-          useTransition: !isAndroid,
+          useTransition: isAndroid ? false : USE_TRANSITION,
           probeType: 3,
           preventDefault: this.preventDefault
         },
         scrollOptions: {
+          useTransition: USE_TRANSITION,
           HWCompositing: isAndroid,
           observeDOM: false,
           zoom: true,
-- 
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