From 1833709d192fccd6a43581e5d4994ca653d1d114 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Wed, 25 Mar 2020 12:18:13 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=A7=A3=E5=86=B3=20app-v3=20cover-view?=
 =?UTF-8?q?=E3=80=81cover-image=20=E7=BB=84=E4=BB=B6=E4=B8=8D=E8=83=BD?=
 =?UTF-8?q?=E5=9C=A8=E8=87=AA=E5=AE=9A=E4=B9=89=E7=BB=84=E4=BB=B6=E5=86=85?=
 =?UTF-8?q?=E4=BD=BF=E7=94=A8=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/platforms/app-plus/view/mixins/cover.js | 23 ++++++++++++++-------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/platforms/app-plus/view/mixins/cover.js b/src/platforms/app-plus/view/mixins/cover.js
index 1f4751d173..5710e2e4a1 100644
--- a/src/platforms/app-plus/view/mixins/cover.js
+++ b/src/platforms/app-plus/view/mixins/cover.js
@@ -17,12 +17,12 @@ export default {
       for (const key in this.position) {
         let val = this.position[key]
         let valNumber = parseFloat(val)
-        let parentValNumber = parseFloat(this.$parent.position[key])
+        let parentValNumber = parseFloat(this._nativeParent.position[key])
         if (key === 'top' || key === 'left') {
           val = Math.max(valNumber, parentValNumber) + 'px'
         } else if (key === 'width' || key === 'height') {
           const base = key === 'width' ? 'left' : 'left'
-          const parentStart = parseFloat(this.$parent.position[base])
+          const parentStart = parseFloat(this._nativeParent.position[base])
           const viewStart = parseFloat(this.position[base])
           const diff1 = Math.max(parentStart - viewStart, 0)
           const diff2 = Math.max((viewStart + valNumber) - (parentStart + parentValNumber), 0)
@@ -83,14 +83,21 @@ export default {
       return tags
     }
   },
+  created () {
+    let $parent = this.$parent
+    while (!$parent.isNative && $parent !== this.$root) {
+      $parent = $parent.$parent
+    }
+    this._nativeParent = $parent
+  },
   mounted () {
     this._updateStyle()
-    const $parent = this.$parent
-    if ($parent.isNative) {
-      if ($parent._isMounted) {
+    const $nativeParent = this._nativeParent
+    if ($nativeParent.isNative) {
+      if ($nativeParent._isMounted) {
         this._onCanInsert()
       } else {
-        $parent.onCanInsertCallbacks.push(() => {
+        $nativeParent.onCanInsertCallbacks.push(() => {
           this._onCanInsert()
         })
       }
@@ -111,7 +118,7 @@ export default {
     }
   },
   beforeDestroy () {
-    if (this.$parent.isNative) {
+    if (this._nativeParent.isNative) {
       this.cover && this.cover.close()
       delete this.cover
     }
@@ -132,7 +139,7 @@ export default {
       for (const key in this.position) {
         let val = this.position[key]
         if (key === 'top' || key === 'left') {
-          val = Math.min((parseFloat(val) - parseFloat(this.$parent.position[key])), 0) + 'px'
+          val = Math.min((parseFloat(val) - parseFloat(this._nativeParent.position[key])), 0) + 'px'
         }
         position[key] = val
       }
-- 
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