From 3d8ba2e808803ca6d9e752b9e927e95228997dff Mon Sep 17 00:00:00 2001
From: jeffvli <jeffvictorli@gmail.com>
Date: Mon, 2 Jan 2023 16:59:21 -0800
Subject: [PATCH] Add native scroll area component

---
 src/renderer/components/scroll-area/index.tsx | 111 +++++++++++++++++-
 1 file changed, 110 insertions(+), 1 deletion(-)

diff --git a/src/renderer/components/scroll-area/index.tsx b/src/renderer/components/scroll-area/index.tsx
index 4b673230..ff8a88d2 100644
--- a/src/renderer/components/scroll-area/index.tsx
+++ b/src/renderer/components/scroll-area/index.tsx
@@ -1,7 +1,10 @@
-import { forwardRef, Ref } from 'react';
+import { forwardRef, Ref, useEffect, useRef, useState } from 'react';
 import type { ScrollAreaProps as MantineScrollAreaProps } from '@mantine/core';
 import { ScrollArea as MantineScrollArea } from '@mantine/core';
+import { useMergedRef, useTimeout } from '@mantine/hooks';
+import { motion, useScroll } from 'framer-motion';
 import styled from 'styled-components';
+import { PageHeader, PageHeaderProps } from '/@/renderer/components/page-header';
 
 interface ScrollAreaProps extends MantineScrollAreaProps {
   children: React.ReactNode;
@@ -19,6 +22,19 @@ const StyledScrollArea = styled(MantineScrollArea)`
   }
 `;
 
+const StyledNativeScrollArea = styled.div`
+  height: 100%;
+  overflow-y: overlay;
+
+  &::-webkit-scrollbar-track {
+    margin-top: 35px;
+  }
+
+  &::-webkit-scrollbar-thumb {
+    margin-top: 35px;
+  }
+`;
+
 export const ScrollArea = forwardRef(({ children, ...props }: ScrollAreaProps, ref: Ref<any>) => {
   return (
     <StyledScrollArea
@@ -30,3 +46,96 @@ export const ScrollArea = forwardRef(({ children, ...props }: ScrollAreaProps, r
     </StyledScrollArea>
   );
 });
+
+interface NativeScrollAreaProps {
+  children: React.ReactNode;
+  debugScrollPosition?: boolean;
+  pageHeaderProps?: PageHeaderProps & { offset?: any; target: any };
+}
+
+export const NativeScrollArea = forwardRef(
+  (
+    { children, pageHeaderProps, debugScrollPosition, ...props }: NativeScrollAreaProps,
+    ref: Ref<HTMLDivElement>,
+  ) => {
+    const [hideScrollbar, setHideScrollbar] = useState(false);
+    const [hideHeader, setHideHeader] = useState(true);
+    const { start, clear } = useTimeout(() => setHideScrollbar(true), 1000);
+
+    const containerRef = useRef(null);
+    const mergedRef = useMergedRef(ref, containerRef);
+
+    const { scrollYProgress } = useScroll({
+      container: containerRef,
+      offset: pageHeaderProps?.offset || ['center start', 'end start'],
+      target: pageHeaderProps?.target,
+    });
+
+    // Automatically hide the scrollbar after the timeout duration
+    useEffect(() => {
+      start();
+      // eslint-disable-next-line react-hooks/exhaustive-deps
+    }, []);
+
+    useEffect(() => {
+      const setHeaderVisibility = (v: number) => {
+        if (v === 1) {
+          return setHideHeader(false);
+        }
+
+        if (hideHeader === false) {
+          return setHideHeader(true);
+        }
+
+        return undefined;
+      };
+
+      const unsubscribe = scrollYProgress.on('change', setHeaderVisibility);
+
+      return () => {
+        unsubscribe();
+      };
+    }, [hideHeader, scrollYProgress]);
+
+    return (
+      <>
+        <PageHeader
+          isHidden={hideHeader}
+          position="absolute"
+          style={{ opacity: scrollYProgress as any }}
+          {...pageHeaderProps}
+        />
+        <StyledNativeScrollArea
+          ref={mergedRef}
+          className={hideScrollbar ? 'hide-scrollbar' : undefined}
+          onMouseEnter={() => {
+            setHideScrollbar(false);
+            clear();
+          }}
+          onMouseLeave={() => {
+            start();
+          }}
+          {...props}
+        >
+          {children}
+        </StyledNativeScrollArea>
+        {debugScrollPosition && (
+          <motion.div
+            style={{
+              background: 'red',
+              height: '10px',
+              left: 0,
+              position: 'fixed',
+              right: 0,
+              scaleX: scrollYProgress,
+              top: 0,
+              transformOrigin: '0%',
+              width: '100%',
+              zIndex: 5000,
+            }}
+          />
+        )}
+      </>
+    );
+  },
+);