feat(mobile): pwa and browser theme-color optimization (#8168)

[AF-1325](https://linear.app/affine-design/issue/AF-1325/优化-pwa-体验), [AF-1317](https://linear.app/affine-design/issue/AF-1317/优化：-pwa-的顶部-status-bar-颜色应与背景保持一致), [AF-1318](https://linear.app/affine-design/issue/AF-1318/优化：pwa-的底部应当有符合设备安全高度的padding), [AF-1321](https://linear.app/affine-design/issue/AF-1321/更新一下-fail-的-pwa-icon)

- New `<SafeArea />` ui component
- New `useThemeColorV1` / `useThemeColorV2` hook:
    - to modify `<meta name="theme-color" />` with given theme key

packages/frontend/component/src/ui/menu/mobile/root.tsx

@@ -111,10 +111,6 @@ export const MobileMenu = ({
             className: clsx(className, styles.mobileMenuModal),
             ...otherContentOptions,
           }}
-          contentWrapperStyle={{
-            alignItems: 'end',
-            paddingBottom: 10,
-          }}
         >
           <div
             ref={setSliderElement}

packages/frontend/component/src/ui/modal/modal.tsx

@@ -15,6 +15,7 @@ import { forwardRef, useCallback, useEffect, useState } from 'react';
 import { startScopedViewTransition } from '../../utils';
 import type { IconButtonProps } from '../button';
 import { IconButton } from '../button';
+import { SafeArea } from '../safe-area';
 import * as styles from './styles.css';
 
 export interface ModalProps extends DialogProps {
@@ -214,7 +215,9 @@ export const ModalInner = forwardRef<HTMLDivElement, ModalProps>(
             }}
             {...otherOverlayOptions}
           >
-            <div
+            <SafeArea
+              bottom={environment.isMobileEdition}
+              bottomOffset={12}
               data-full-screen={fullScreen}
               data-modal={modal}
               className={clsx(
@@ -278,7 +281,7 @@ export const ModalInner = forwardRef<HTMLDivElement, ModalProps>(
 
                 {children}
               </Dialog.Content>
-            </div>
+            </SafeArea>
           </Dialog.Overlay>
         </Dialog.Portal>
       </Dialog.Root>

packages/frontend/component/src/ui/modal/styles.css.ts

@@ -83,7 +83,7 @@ export const modalContentWrapper = style({
     'screen and (width <= 640px)': {
       // todo: adjust animation
       alignItems: 'flex-end',
-      paddingBottom: 32,
+      paddingBottom: 'env(safe-area-inset-bottom, 20px)',
     },
   },
 

packages/frontend/component/src/ui/safe-area/index.tsx

@@ -0,0 +1,49 @@
+import { assignInlineVars } from '@vanilla-extract/dynamic';
+import clsx from 'clsx';
+import { forwardRef, type HTMLAttributes } from 'react';
+
+import { withUnit } from '../../utils/with-unit';
+import { bottomOffsetVar, safeArea, topOffsetVar } from './style.css';
+
+interface SafeAreaProps extends HTMLAttributes<HTMLDivElement> {
+  top?: boolean;
+  bottom?: boolean;
+  topOffset?: number | string;
+  bottomOffset?: number | string;
+}
+
+export const SafeArea = forwardRef<HTMLDivElement, SafeAreaProps>(
+  function SafeArea(
+    {
+      children,
+      className,
+      style,
+      top,
+      bottom,
+      topOffset = 0,
+      bottomOffset = 0,
+      ...attrs
+    },
+    ref
+  ) {
+    return (
+      <div
+        ref={ref}
+        className={clsx(safeArea, className)}
+        data-standalone={environment.isStandalone ? '' : undefined}
+        data-bottom={bottom ? '' : undefined}
+        data-top={top ? '' : undefined}
+        style={{
+          ...style,
+          ...assignInlineVars({
+            [topOffsetVar]: withUnit(topOffset, 'px'),
+            [bottomOffsetVar]: withUnit(bottomOffset, 'px'),
+          }),
+        }}
+        {...attrs}
+      >
+        {children}
+      </div>
+    );
+  }
+);

packages/frontend/component/src/ui/safe-area/style.css.ts

@@ -0,0 +1,22 @@
+import { createVar, style } from '@vanilla-extract/css';
+
+export const topOffsetVar = createVar();
+export const bottomOffsetVar = createVar();
+
+export const safeArea = style({
+  selectors: {
+    '&[data-top]': {
+      paddingTop: `calc(${topOffsetVar} + 12px)`,
+    },
+    '&[data-bottom]': {
+      paddingBottom: `calc(${bottomOffsetVar} + 0px)`,
+    },
+    '&[data-standalone][data-top]': {
+      paddingTop: `calc(env(safe-area-inset-top, 12px) + ${topOffsetVar})`,
+    },
+    '&[data-standalone][data-bottom]': {
+      // paddingBottom: 'env(safe-area-inset-bottom, 12px)',
+      paddingBottom: `calc(env(safe-area-inset-bottom, 0px) + ${bottomOffsetVar})`,
+    },
+  },
+});