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authorcrupest <crupest@outlook.com>2021-06-15 14:14:28 +0800
committercrupest <crupest@outlook.com>2021-06-15 14:14:28 +0800
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treebfaa7320c838e21edf88b5a037263f89a8012222 /FrontEnd/src/views/timeline-common/TimelinePagedPostListView.tsx
parentda26373c7fc13cded47428b27638b349b0432437 (diff)
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diff --git a/FrontEnd/src/views/timeline-common/TimelinePagedPostListView.tsx b/FrontEnd/src/views/timeline-common/TimelinePagedPostListView.tsx
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+import React from "react";
+
+import { HttpTimelinePostInfo } from "http/timeline";
+
+import useScrollToTop from "@/utilities/useScrollToTop";
+
+import TimelinePostListView from "./TimelinePostListView";
+
+export interface TimelinePagedPostListViewProps {
+ className?: string;
+ style?: React.CSSProperties;
+ posts: HttpTimelinePostInfo[];
+ onReload: () => void;
+}
+
+const TimelinePagedPostListView: React.FC<TimelinePagedPostListViewProps> = (
+ props
+) => {
+ const { className, style, posts, onReload } = props;
+
+ const [lastViewCount, setLastViewCount] = React.useState<number>(10);
+
+ const viewingPosts = React.useMemo(() => {
+ return lastViewCount >= posts.length
+ ? posts.slice()
+ : posts.slice(-lastViewCount);
+ }, [posts, lastViewCount]);
+
+ useScrollToTop(() => {
+ setLastViewCount(lastViewCount + 10);
+ }, lastViewCount < posts.length);
+
+ return (
+ <TimelinePostListView
+ className={className}
+ style={style}
+ posts={viewingPosts}
+ onReload={onReload}
+ />
+ );
+};
+
+export default TimelinePagedPostListView;