feat(mobile): show doc title on title bar when scroll down (#8976)

packages/frontend/core/src/mobile/components/page-header/index.tsx

@@ -31,6 +31,7 @@ export interface PageHeaderProps
    * @default true
    */
   centerContent?: boolean;
+  contentClassName?: string;
 
   prefixClassName?: string;
   prefixStyle?: React.CSSProperties;
@@ -56,6 +57,7 @@ export const PageHeader = forwardRef<HTMLDivElement, PageHeaderProps>(
       children,
       className,
       centerContent = true,
+      contentClassName,
       prefixClassName,
       prefixStyle,
       suffixClassName,
@@ -85,7 +87,9 @@ export const PageHeader = forwardRef<HTMLDivElement, PageHeaderProps>(
             </section>
 
             <section
-              className={clsx(styles.content, { center: centerContent })}
+              className={clsx(styles.content, contentClassName, {
+                center: centerContent,
+              })}
             >
               {children}
             </section>

packages/frontend/core/src/mobile/components/page-header/styles.css.ts

@@ -1,5 +1,5 @@
 import { cssVarV2 } from '@toeverything/theme/v2';
-import { style } from '@vanilla-extract/css';
+import { createVar, style } from '@vanilla-extract/css';
 
 export const root = style({
   width: '100%',
@@ -18,14 +18,22 @@ export const inner = style({
   alignItems: 'center',
   justifyContent: 'space-between',
 });
+const contentMaxWidth = createVar('contentMaxWidth');
 export const content = style({
+  vars: {
+    [contentMaxWidth]: 'unset',
+  },
+  maxWidth: contentMaxWidth,
   selectors: {
     '&.center': {
+      vars: {
+        // gap(6 * 2) + button(44 * 2) + padding(8 * 2)
+        [contentMaxWidth]: 'calc(100% - 12px - 88px - 16px)',
+      },
       position: 'absolute',
       left: '50%',
       transform: 'translateX(-50%)',
       width: 'fit-content',
-      maxWidth: 'calc(100% - 12px - 88px - 16px)',
       display: 'flex',
       justifyContent: 'center',
       pointerEvents: 'none',

packages/frontend/core/src/mobile/pages/workspace/detail/mobile-detail-page.css.ts

@@ -1,4 +1,5 @@
 import { cssVar } from '@toeverything/theme';
+import { bodyEmphasized } from '@toeverything/theme/typography';
 import { cssVarV2 } from '@toeverything/theme/v2';
 import { globalStyle, style } from '@vanilla-extract/css';
 
@@ -16,6 +17,26 @@ export const header = style({
   zIndex: 1,
 });
 
+export const headerContent = style({
+  maxWidth: `calc(100% - 200px)`,
+});
+export const headerTitle = style([
+  bodyEmphasized,
+  {
+    overflow: 'hidden',
+    textOverflow: 'ellipsis',
+    whiteSpace: 'nowrap',
+
+    opacity: 0,
+    transition: 'opacity 0.23s ease',
+    selectors: {
+      '&[data-show="true"]': {
+        opacity: 1,
+      },
+    },
+  },
+]);
+
 export const mainContainer = style({
   containerType: 'inline-size',
   display: 'flex',

packages/frontend/core/src/mobile/pages/workspace/detail/mobile-detail-page.tsx

@@ -10,11 +10,13 @@ import { useNavigateHelper } from '@affine/core/components/hooks/use-navigate-he
 import { PageDetailEditor } from '@affine/core/components/page-detail-editor';
 import { DetailPageWrapper } from '@affine/core/desktop/pages/workspace/detail-page/detail-page-wrapper';
 import { PageHeader } from '@affine/core/mobile/components';
+import { useGlobalEvent } from '@affine/core/mobile/hooks/use-global-events';
+import { DocDisplayMetaService } from '@affine/core/modules/doc-display-meta';
 import { EditorService } from '@affine/core/modules/editor';
 import { JournalService } from '@affine/core/modules/journal';
 import { WorkbenchService } from '@affine/core/modules/workbench';
 import { ViewService } from '@affine/core/modules/workbench/services/view';
-import { i18nTime } from '@affine/i18n';
+import { i18nTime, useI18n } from '@affine/i18n';
 import {
   BookmarkBlockService,
   customImageProxyMiddleware,
@@ -36,11 +38,10 @@ import {
   useServices,
   WorkspaceService,
 } from '@toeverything/infra';
-import { bodyEmphasized } from '@toeverything/theme/typography';
 import { cssVarV2 } from '@toeverything/theme/v2';
 import clsx from 'clsx';
 import dayjs from 'dayjs';
-import { useCallback, useEffect, useRef } from 'react';
+import { useCallback, useEffect, useRef, useState } from 'react';
 import { useParams } from 'react-router-dom';
 
 import { AppTabs } from '../../../components';
@@ -219,6 +220,8 @@ const skeletonWithBack = getSkeleton(true);
 const notFound = getNotFound(false);
 const notFoundWithBack = getNotFound(true);
 
+const checkShowTitle = () => window.scrollY >= 158;
+
 const MobileDetailPage = ({
   pageId,
   date,
@@ -226,8 +229,15 @@ const MobileDetailPage = ({
   pageId: string;
   date?: string;
 }) => {
+  const t = useI18n();
+  const docDisplayMetaService = useService(DocDisplayMetaService);
   const journalService = useService(JournalService);
+
+  const [showTitle, setShowTitle] = useState(checkShowTitle);
   const { openJournal } = useJournalRouteHelper();
+  const titleInfo = useLiveData(docDisplayMetaService.title$(pageId));
+  const title =
+    typeof titleInfo === 'string' ? titleInfo : t[titleInfo.i18nKey]();
 
   const allJournalDates = useLiveData(journalService.allJournalDates$);
 
@@ -237,6 +247,12 @@ const MobileDetailPage = ({
     },
     [openJournal]
   );
+
+  useGlobalEvent(
+    'scroll',
+    useCallback(() => setShowTitle(checkShowTitle()), [])
+  );
+
   return (
     <div className={styles.root}>
       <DetailPageWrapper
@@ -247,6 +263,7 @@ const MobileDetailPage = ({
         <PageHeader
           back={!date}
           className={styles.header}
+          contentClassName={styles.headerContent}
           suffix={
             <>
               <PageHeaderShareButton />
@@ -265,11 +282,11 @@ const MobileDetailPage = ({
           }
           bottomSpacer={94}
         >
-          {date ? (
+          <span data-show={!!date || showTitle} className={styles.headerTitle}>
-            <span className={bodyEmphasized}>
+            {date
-              {i18nTime(dayjs(date), { absolute: { accuracy: 'month' } })}
+              ? i18nTime(dayjs(date), { absolute: { accuracy: 'month' } })
-            </span>
+              : title}
-          ) : null}
+          </span>
         </PageHeader>
         <DetailPageImpl />
         <AppTabs background={cssVarV2('layer/background/primary')} />