Files
smesh/src/PageManager.tsx
2025-12-04 23:24:16 +08:00

520 lines
17 KiB
TypeScript

import Sidebar from '@/components/Sidebar'
import { cn } from '@/lib/utils'
import { CurrentRelaysProvider } from '@/providers/CurrentRelaysProvider'
import { TPageRef } from '@/types'
import {
cloneElement,
createContext,
createRef,
ReactNode,
RefObject,
useContext,
useEffect,
useRef,
useState
} from 'react'
import BackgroundAudio from './components/BackgroundAudio'
import BottomNavigationBar from './components/BottomNavigationBar'
import CreateWalletGuideToast from './components/CreateWalletGuideToast'
import TooManyRelaysAlertDialog from './components/TooManyRelaysAlertDialog'
import { normalizeUrl } from './lib/url'
import { NotificationProvider } from './providers/NotificationProvider'
import { useScreenSize } from './providers/ScreenSizeProvider'
import { useTheme } from './providers/ThemeProvider'
import { useUserPreferences } from './providers/UserPreferencesProvider'
import { PRIMARY_PAGE_MAP, PRIMARY_PAGE_REF_MAP, TPrimaryPageName } from './routes/primary'
import { SECONDARY_ROUTES } from './routes/secondary'
import modalManager from './services/modal-manager.service'
type TPrimaryPageContext = {
navigate: (page: TPrimaryPageName, props?: object) => void
current: TPrimaryPageName | null
display: boolean
}
type TSecondaryPageContext = {
push: (url: string) => void
pop: () => void
currentIndex: number
}
type TStackItem = {
index: number
url: string
element: React.ReactElement | null
ref: RefObject<TPageRef> | null
}
const PrimaryPageContext = createContext<TPrimaryPageContext | undefined>(undefined)
const SecondaryPageContext = createContext<TSecondaryPageContext | undefined>(undefined)
export function usePrimaryPage() {
const context = useContext(PrimaryPageContext)
if (!context) {
throw new Error('usePrimaryPage must be used within a PrimaryPageContext.Provider')
}
return context
}
export function useSecondaryPage() {
const context = useContext(SecondaryPageContext)
if (!context) {
throw new Error('usePrimaryPage must be used within a SecondaryPageContext.Provider')
}
return context
}
export function PageManager({ maxStackSize = 5 }: { maxStackSize?: number }) {
const [currentPrimaryPage, setCurrentPrimaryPage] = useState<TPrimaryPageName>('home')
const [primaryPages, setPrimaryPages] = useState<
{ name: TPrimaryPageName; element: ReactNode; props?: any }[]
>([
{
name: 'home',
element: PRIMARY_PAGE_MAP.home
}
])
const [secondaryStack, setSecondaryStack] = useState<TStackItem[]>([])
const { isSmallScreen } = useScreenSize()
const { themeSetting } = useTheme()
const { enableSingleColumnLayout } = useUserPreferences()
const ignorePopStateRef = useRef(false)
useEffect(() => {
if (['/npub1', '/nprofile1'].some((prefix) => window.location.pathname.startsWith(prefix))) {
window.history.replaceState(
null,
'',
'/users' + window.location.pathname + window.location.search + window.location.hash
)
} else if (
['/note1', '/nevent1', '/naddr1'].some((prefix) =>
window.location.pathname.startsWith(prefix)
)
) {
window.history.replaceState(
null,
'',
'/notes' + window.location.pathname + window.location.search + window.location.hash
)
}
window.history.pushState(null, '', window.location.href)
if (window.location.pathname !== '/') {
const url = window.location.pathname + window.location.search + window.location.hash
setSecondaryStack((prevStack) => {
if (isCurrentPage(prevStack, url)) return prevStack
const { newStack, newItem } = pushNewPageToStack(
prevStack,
url,
maxStackSize,
window.history.state?.index
)
if (newItem) {
window.history.replaceState({ index: newItem.index, url }, '', url)
}
return newStack
})
} else {
const searchParams = new URLSearchParams(window.location.search)
const r = searchParams.get('r')
if (r) {
const url = normalizeUrl(r)
if (url) {
navigatePrimaryPage('relay', { url })
}
}
}
const onPopState = (e: PopStateEvent) => {
if (ignorePopStateRef.current) {
ignorePopStateRef.current = false
return
}
const closeModal = modalManager.pop()
if (closeModal) {
ignorePopStateRef.current = true
window.history.forward()
return
}
let state = e.state as { index: number; url: string } | null
setSecondaryStack((pre) => {
const currentItem = pre[pre.length - 1] as TStackItem | undefined
const currentIndex = currentItem?.index
if (!state) {
if (window.location.pathname + window.location.search + window.location.hash !== '/') {
// Just change the URL
return pre
} else {
// Back to root
state = { index: -1, url: '/' }
}
}
// Go forward
if (currentIndex === undefined || state.index > currentIndex) {
const { newStack } = pushNewPageToStack(pre, state.url, maxStackSize)
return newStack
}
if (state.index === currentIndex) {
return pre
}
// Go back
const newStack = pre.filter((item) => item.index <= state!.index)
const topItem = newStack[newStack.length - 1] as TStackItem | undefined
if (!topItem) {
// Create a new stack item if it's not exist (e.g. when the user refreshes the page, the stack will be empty)
const { element, ref } = findAndCloneElement(state.url, state.index)
if (element) {
newStack.push({
index: state.index,
url: state.url,
element,
ref
})
}
} else if (!topItem.element) {
// Load the element if it's not cached
const { element, ref } = findAndCloneElement(topItem.url, state.index)
if (element) {
topItem.element = element
topItem.ref = ref
}
}
if (newStack.length === 0) {
window.history.replaceState(null, '', '/')
}
return newStack
})
}
window.addEventListener('popstate', onPopState)
return () => {
window.removeEventListener('popstate', onPopState)
}
}, [])
const navigatePrimaryPage = (page: TPrimaryPageName, props?: any) => {
const needScrollToTop = page === currentPrimaryPage
setPrimaryPages((prev) => {
const exists = prev.find((p) => p.name === page)
if (exists && props) {
exists.props = props
return [...prev]
} else if (!exists) {
return [...prev, { name: page, element: PRIMARY_PAGE_MAP[page], props }]
}
return prev
})
setCurrentPrimaryPage(page)
if (needScrollToTop) {
PRIMARY_PAGE_REF_MAP[page].current?.scrollToTop('smooth')
}
if (enableSingleColumnLayout) {
clearSecondaryPages()
}
}
const pushSecondaryPage = (url: string, index?: number) => {
setSecondaryStack((prevStack) => {
if (isCurrentPage(prevStack, url)) {
const currentItem = prevStack[prevStack.length - 1]
if (currentItem?.ref?.current) {
currentItem.ref.current.scrollToTop('instant')
}
return prevStack
}
const { newStack, newItem } = pushNewPageToStack(prevStack, url, maxStackSize, index)
if (newItem) {
window.history.pushState({ index: newItem.index, url }, '', url)
}
return newStack
})
}
const popSecondaryPage = (delta = -1) => {
if (secondaryStack.length <= -delta) {
// back to home page
window.history.replaceState(null, '', '/')
setSecondaryStack([])
} else {
window.history.go(delta)
}
}
const clearSecondaryPages = () => {
if (secondaryStack.length === 0) return
popSecondaryPage(-secondaryStack.length)
}
if (isSmallScreen) {
return (
<PrimaryPageContext.Provider
value={{
navigate: navigatePrimaryPage,
current: currentPrimaryPage,
display: secondaryStack.length === 0
}}
>
<SecondaryPageContext.Provider
value={{
push: pushSecondaryPage,
pop: popSecondaryPage,
currentIndex: secondaryStack.length
? secondaryStack[secondaryStack.length - 1].index
: 0
}}
>
<CurrentRelaysProvider>
<NotificationProvider>
{!!secondaryStack.length &&
secondaryStack.map((item, index) => (
<div
key={item.index}
style={{
display: index === secondaryStack.length - 1 ? 'block' : 'none'
}}
>
{item.element}
</div>
))}
{primaryPages.map(({ name, element, props }) => (
<div
key={name}
style={{
display:
secondaryStack.length === 0 && currentPrimaryPage === name ? 'block' : 'none'
}}
>
{props ? cloneElement(element as React.ReactElement, props) : element}
</div>
))}
<BottomNavigationBar />
<TooManyRelaysAlertDialog />
<CreateWalletGuideToast />
</NotificationProvider>
</CurrentRelaysProvider>
</SecondaryPageContext.Provider>
</PrimaryPageContext.Provider>
)
}
if (enableSingleColumnLayout) {
return (
<PrimaryPageContext.Provider
value={{
navigate: navigatePrimaryPage,
current: currentPrimaryPage,
display: secondaryStack.length === 0
}}
>
<SecondaryPageContext.Provider
value={{
push: pushSecondaryPage,
pop: popSecondaryPage,
currentIndex: secondaryStack.length
? secondaryStack[secondaryStack.length - 1].index
: 0
}}
>
<CurrentRelaysProvider>
<NotificationProvider>
<div className="flex lg:justify-around w-full">
<div className="sticky top-0 lg:w-full flex justify-end self-start h-[var(--vh)]">
<Sidebar />
</div>
<div className="flex-1 w-0 bg-background border-x lg:flex-auto lg:w-[640px] lg:shrink-0">
{!!secondaryStack.length &&
secondaryStack.map((item, index) => (
<div
key={item.index}
style={{
display: index === secondaryStack.length - 1 ? 'block' : 'none'
}}
>
{item.element}
</div>
))}
{primaryPages.map(({ name, element, props }) => (
<div
key={name}
style={{
display:
secondaryStack.length === 0 && currentPrimaryPage === name
? 'block'
: 'none'
}}
>
{props ? cloneElement(element as React.ReactElement, props) : element}
</div>
))}
</div>
<div className="hidden lg:w-full lg:block" />
</div>
<TooManyRelaysAlertDialog />
<CreateWalletGuideToast />
<BackgroundAudio className="fixed bottom-20 right-0 z-50 w-80 rounded-l-full rounded-r-none overflow-hidden shadow-lg border" />
</NotificationProvider>
</CurrentRelaysProvider>
</SecondaryPageContext.Provider>
</PrimaryPageContext.Provider>
)
}
return (
<PrimaryPageContext.Provider
value={{
navigate: navigatePrimaryPage,
current: currentPrimaryPage,
display: true
}}
>
<SecondaryPageContext.Provider
value={{
push: pushSecondaryPage,
pop: popSecondaryPage,
currentIndex: secondaryStack.length ? secondaryStack[secondaryStack.length - 1].index : 0
}}
>
<CurrentRelaysProvider>
<NotificationProvider>
<div className="flex flex-col items-center bg-surface-background">
<div
className="flex h-[var(--vh)] w-full bg-surface-background"
style={{
maxWidth: '1920px'
}}
>
<Sidebar />
<div
className={cn(
'grid grid-cols-2 w-full',
themeSetting === 'pure-black' ? '' : 'gap-2 pr-2 py-2'
)}
>
<div
className={cn(
'bg-background overflow-hidden',
themeSetting === 'pure-black' ? 'border-l' : 'rounded-2xl shadow-lg'
)}
>
{primaryPages.map(({ name, element, props }) => (
<div
key={name}
className="flex flex-col h-full w-full"
style={{
display: currentPrimaryPage === name ? 'block' : 'none'
}}
>
{props ? cloneElement(element as React.ReactElement, props) : element}
</div>
))}
</div>
<div
className={cn(
'bg-background overflow-hidden',
themeSetting === 'pure-black' ? 'border-l' : 'rounded-2xl',
themeSetting !== 'pure-black' && secondaryStack.length > 0 && 'shadow-lg',
secondaryStack.length === 0 ? 'bg-surface' : ''
)}
>
{secondaryStack.map((item, index) => (
<div
key={item.index}
className="flex flex-col h-full w-full"
style={{ display: index === secondaryStack.length - 1 ? 'block' : 'none' }}
>
{item.element}
</div>
))}
</div>
</div>
</div>
</div>
<TooManyRelaysAlertDialog />
<CreateWalletGuideToast />
<BackgroundAudio className="fixed bottom-20 right-0 z-50 w-80 rounded-l-full rounded-r-none overflow-hidden shadow-lg border" />
</NotificationProvider>
</CurrentRelaysProvider>
</SecondaryPageContext.Provider>
</PrimaryPageContext.Provider>
)
}
export function SecondaryPageLink({
to,
children,
className,
onClick
}: {
to: string
children: React.ReactNode
className?: string
onClick?: (e: React.MouseEvent) => void
}) {
const { push } = useSecondaryPage()
return (
<span
className={cn('cursor-pointer', className)}
onClick={(e) => {
if (onClick) {
onClick(e)
}
push(to)
}}
>
{children}
</span>
)
}
function isCurrentPage(stack: TStackItem[], url: string) {
const currentPage = stack[stack.length - 1]
if (!currentPage) return false
return currentPage.url === url
}
function findAndCloneElement(url: string, index: number) {
const path = url.split('?')[0].split('#')[0]
for (const { matcher, element } of SECONDARY_ROUTES) {
const match = matcher(path)
if (!match) continue
if (!element) return {}
const ref = createRef<TPageRef>()
return { element: cloneElement(element, { ...match.params, index, ref } as any), ref }
}
return {}
}
function pushNewPageToStack(
stack: TStackItem[],
url: string,
maxStackSize = 5,
specificIndex?: number
) {
const currentItem = stack[stack.length - 1]
const currentIndex = specificIndex ?? (currentItem ? currentItem.index + 1 : 0)
const { element, ref } = findAndCloneElement(url, currentIndex)
if (!element) return { newStack: stack, newItem: null }
const newItem = { element, ref, url, index: currentIndex }
const newStack = [...stack, newItem]
const lastCachedIndex = newStack.findIndex((stack) => stack.element)
// Clear the oldest cached element if there are too many cached elements
if (newStack.length - lastCachedIndex > maxStackSize) {
newStack[lastCachedIndex].element = null
}
return { newStack, newItem }
}