From 980d56d13e10a42a92f8fa0cbf1d79977d238914 Mon Sep 17 00:00:00 2001
From: caocan <caocan6@huawei.com>
Date: Sun, 19 Jun 2022 10:36:09 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9EonPreScroll=E3=80=81scrollBy?=
 =?UTF-8?q?=E6=8E=A5=E5=8F=A3=EF=BC=8C=E6=94=AF=E6=8C=81=E6=BB=9A=E5=8A=A8?=
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Signed-off-by: caocan <caocan6@huawei.com>
Change-Id: I88d007171c9ad955c401eed0a4bbdd22a5f84181
---
 api/@internal/component/ets/list.d.ts   |  6 ++++++
 api/@internal/component/ets/scroll.d.ts | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/api/@internal/component/ets/list.d.ts b/api/@internal/component/ets/list.d.ts
index 0a56f0a043..9d12aef340 100644
--- a/api/@internal/component/ets/list.d.ts
+++ b/api/@internal/component/ets/list.d.ts
@@ -217,6 +217,12 @@ declare class ListAttribute extends CommonMethod<ListAttribute> {
    * @since 8
    */
   onItemDrop(event: (event: ItemDragInfo, itemIndex: number, insertIndex: number, isSuccess: boolean) => void): ListAttribute;
+
+  /**
+   * Event called when list will scroll.
+   * @since 9
+   */
+  onScrollBegin(event: (dx: number, dy: number) => { dxRemain: number, dyRemain: number }): ListAttribute;
 }
 
 declare const List: ListInterface;
diff --git a/api/@internal/component/ets/scroll.d.ts b/api/@internal/component/ets/scroll.d.ts
index 4779b3593c..47334f21c6 100644
--- a/api/@internal/component/ets/scroll.d.ts
+++ b/api/@internal/component/ets/scroll.d.ts
@@ -86,6 +86,12 @@ declare class Scroller {
    * @since 7
    */
   scrollToIndex(value: number);
+
+  /**
+   * Called when the setting slides by offset.
+   * @since 9
+   */
+  scrollBy(dx: Length, dy: Length);
 }
 
 /**
@@ -152,6 +158,12 @@ declare class ScrollAttribute extends CommonMethod<ScrollAttribute> {
    * @since 7
    */
   edgeEffect(edgeEffect: EdgeEffect): ScrollAttribute;
+
+  /**
+   * Event called when sroll will scroll.
+   * @since 9
+   */
+  onScrollBegin(event: (dx: number, dy: number) => { dxRemain: number, dyRemain: number }): ScrollAttribute;
 }
 
 declare const Scroll: ScrollInterface;
-- 
Gitee