forked from mirrors/stickerpicker
235 lines
7.7 KiB
JavaScript
235 lines
7.7 KiB
JavaScript
// Copyright (c) 2020 Tulir Asokan
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
import { html, render, Component } from "./lib/htm/preact.js"
|
|
import { Spinner } from "./spinner.js"
|
|
import * as widgetAPI from "./widget-api.js"
|
|
import * as frequent from "./frequently-used.js"
|
|
|
|
// The base URL for fetching packs. The app will first fetch ${PACK_BASE_URL}/index.json,
|
|
// then ${PACK_BASE_URL}/${packFile} for each packFile in the packs object of the index.json file.
|
|
const PACKS_BASE_URL = "packs"
|
|
// This is updated from packs/index.json
|
|
let HOMESERVER_URL = "https://matrix-client.matrix.org"
|
|
|
|
const makeThumbnailURL = mxc => `${HOMESERVER_URL}/_matrix/media/r0/thumbnail/${mxc.substr(6)}?height=128&width=128&method=scale`
|
|
|
|
// We need to detect iOS webkit because it has a bug related to scrolling non-fixed divs
|
|
// This is also used to fix scrolling to sections on Element iOS
|
|
const isMobileSafari = navigator.userAgent.match(/(iPod|iPhone|iPad)/) && navigator.userAgent.match(/AppleWebKit/)
|
|
|
|
class App extends Component {
|
|
constructor(props) {
|
|
super(props)
|
|
this.state = {
|
|
packs: [],
|
|
loading: true,
|
|
error: null,
|
|
frequentlyUsed: {
|
|
id: "frequently-used",
|
|
title: "Frequently used",
|
|
stickerIDs: frequent.get(),
|
|
stickers: [],
|
|
},
|
|
}
|
|
this.stickersByID = new Map(JSON.parse(localStorage.mauFrequentlyUsedStickerCache || "[]"))
|
|
this.state.frequentlyUsed.stickers = this._getStickersByID(this.state.frequentlyUsed.stickerIDs)
|
|
this.imageObserver = null
|
|
this.packListRef = null
|
|
this.navRef = null
|
|
this.sendSticker = this.sendSticker.bind(this)
|
|
this.navScroll = this.navScroll.bind(this)
|
|
this.reloadPacks = this.reloadPacks.bind(this)
|
|
}
|
|
|
|
_getStickersByID(ids) {
|
|
return ids.map(id => this.stickersByID.get(id)).filter(sticker => !!sticker)
|
|
}
|
|
|
|
updateFrequentlyUsed() {
|
|
const stickerIDs = frequent.get()
|
|
const stickers = this._getStickersByID(stickerIDs)
|
|
this.setState({
|
|
frequentlyUsed: {
|
|
...this.state.frequentlyUsed,
|
|
stickerIDs,
|
|
stickers,
|
|
},
|
|
})
|
|
localStorage.mauFrequentlyUsedStickerCache = JSON.stringify(stickers.map(sticker => [sticker.id, sticker]))
|
|
}
|
|
|
|
reloadPacks() {
|
|
this.imageObserver.disconnect()
|
|
this.sectionObserver.disconnect()
|
|
this.setState({ packs: [] })
|
|
this._loadPacks(true)
|
|
}
|
|
|
|
_loadPacks(disableCache = false) {
|
|
const cache = disableCache ? "no-cache" : undefined
|
|
fetch(`${PACKS_BASE_URL}/index.json`, { cache }).then(async indexRes => {
|
|
if (indexRes.status >= 400) {
|
|
this.setState({
|
|
loading: false,
|
|
error: indexRes.status !== 404 ? indexRes.statusText : null,
|
|
})
|
|
return
|
|
}
|
|
const indexData = await indexRes.json()
|
|
HOMESERVER_URL = indexData.homeserver_url || HOMESERVER_URL
|
|
// TODO only load pack metadata when scrolled into view?
|
|
for (const packFile of indexData.packs) {
|
|
const packRes = await fetch(`${PACKS_BASE_URL}/${packFile}`, { cache })
|
|
const packData = await packRes.json()
|
|
for (const sticker of packData.stickers) {
|
|
this.stickersByID.set(sticker.id, sticker)
|
|
}
|
|
this.setState({
|
|
packs: [...this.state.packs, packData],
|
|
loading: false,
|
|
})
|
|
}
|
|
this.updateFrequentlyUsed()
|
|
}, error => this.setState({ loading: false, error }))
|
|
}
|
|
|
|
componentDidMount() {
|
|
this._loadPacks()
|
|
this.imageObserver = new IntersectionObserver(this.observeImageIntersections, {
|
|
rootMargin: "100px",
|
|
})
|
|
this.sectionObserver = new IntersectionObserver(this.observeSectionIntersections)
|
|
}
|
|
|
|
observeImageIntersections(intersections) {
|
|
for (const entry of intersections) {
|
|
const img = entry.target.children.item(0)
|
|
if (entry.isIntersecting) {
|
|
img.setAttribute("src", img.getAttribute("data-src"))
|
|
img.classList.add("visible")
|
|
} else {
|
|
img.removeAttribute("src")
|
|
img.classList.remove("visible")
|
|
}
|
|
}
|
|
}
|
|
|
|
observeSectionIntersections(intersections) {
|
|
for (const entry of intersections) {
|
|
const packID = entry.target.getAttribute("data-pack-id")
|
|
const navElement = document.getElementById(`nav-${packID}`)
|
|
if (entry.isIntersecting) {
|
|
navElement.classList.add("visible")
|
|
} else {
|
|
navElement.classList.remove("visible")
|
|
}
|
|
}
|
|
}
|
|
|
|
componentDidUpdate() {
|
|
if (this.packListRef === null) {
|
|
return
|
|
}
|
|
for (const elem of this.packListRef.getElementsByClassName("sticker")) {
|
|
this.imageObserver.observe(elem)
|
|
}
|
|
for (const elem of this.packListRef.children) {
|
|
this.sectionObserver.observe(elem)
|
|
}
|
|
}
|
|
|
|
componentWillUnmount() {
|
|
this.imageObserver.disconnect()
|
|
this.sectionObserver.disconnect()
|
|
}
|
|
|
|
sendSticker(evt) {
|
|
const id = evt.currentTarget.getAttribute("data-sticker-id")
|
|
const sticker = this.stickersByID.get(id)
|
|
frequent.add(id)
|
|
this.updateFrequentlyUsed()
|
|
widgetAPI.sendSticker(sticker)
|
|
}
|
|
|
|
navScroll(evt) {
|
|
this.navRef.scrollLeft += evt.deltaY * 12
|
|
}
|
|
|
|
render() {
|
|
if (this.state.loading) {
|
|
return html`<main class="spinner"><${Spinner} size=${80} green /></main>`
|
|
} else if (this.state.error) {
|
|
return html`<main class="error">
|
|
<h1>Failed to load packs</h1>
|
|
<p>${this.state.error}</p>
|
|
</main>`
|
|
} else if (this.state.packs.length === 0) {
|
|
return html`<main class="empty"><h1>No packs found 😿</h1></main>`
|
|
}
|
|
return html`<main class="has-content">
|
|
<nav onWheel=${this.navScroll} ref=${elem => this.navRef = elem}>
|
|
<${NavBarItem} pack=${this.state.frequentlyUsed} iconOverride="res/recent.svg" altOverride="🕓️" />
|
|
${this.state.packs.map(pack => html`<${NavBarItem} id=${pack.id} pack=${pack}/>`)}
|
|
<${NavBarItem} pack=${{ id: "settings", title: "Settings" }} iconOverride="res/settings.svg" altOverride="⚙️️" />
|
|
</nav>
|
|
<div class="pack-list ${isMobileSafari ? "ios-safari-hack" : ""}" ref=${elem => this.packListRef = elem}>
|
|
<${Pack} pack=${this.state.frequentlyUsed} send=${this.sendSticker} />
|
|
${this.state.packs.map(pack => html`<${Pack} id=${pack.id} pack=${pack} send=${this.sendSticker} />`)}
|
|
<${Settings} app=${this}/>
|
|
</div>
|
|
</main>`
|
|
}
|
|
}
|
|
|
|
const Settings = ({ app }) => html`
|
|
<section class="stickerpack settings" id="pack-settings" data-pack-id="settings">
|
|
<h1>Settings</h1>
|
|
<div class="settings-list">
|
|
<button onClick=${app.reloadPacks}>Reload</button>
|
|
</div>
|
|
</section>
|
|
`
|
|
|
|
// By default we just let the browser handle scrolling to sections, but webviews on Element iOS
|
|
// open the link in the browser instead of just scrolling there, so we need to scroll manually:
|
|
const scrollToSection = (evt, id) => {
|
|
const pack = document.getElementById(`pack-${id}`)
|
|
pack.scrollIntoView({ block: "start", behavior: "instant" })
|
|
evt.preventDefault()
|
|
}
|
|
|
|
const NavBarItem = ({ pack, iconOverride = null, altOverride = null }) => html`
|
|
<a href="#pack-${pack.id}" id="nav-${pack.id}" data-pack-id=${pack.id} title=${pack.title}
|
|
onClick=${isMobileSafari ? (evt => scrollToSection(evt, pack.id)) : undefined}>
|
|
<div class="sticker ${iconOverride ? "icon" : ""}">
|
|
${iconOverride ? html`
|
|
<img src=${iconOverride} alt=${altOverride} class="visible"/>
|
|
` : html`
|
|
<img src=${makeThumbnailURL(pack.stickers[0].url)}
|
|
alt=${pack.stickers[0].body} class="visible" />
|
|
`}
|
|
</div>
|
|
</a>
|
|
`
|
|
|
|
const Pack = ({ pack, send }) => html`
|
|
<section class="stickerpack" id="pack-${pack.id}" data-pack-id=${pack.id}>
|
|
<h1>${pack.title}</h1>
|
|
<div class="sticker-list">
|
|
${pack.stickers.map(sticker => html`
|
|
<${Sticker} key=${sticker.id} content=${sticker} send=${send}/>
|
|
`)}
|
|
</div>
|
|
</section>
|
|
`
|
|
|
|
const Sticker = ({ content, send }) => html`
|
|
<div class="sticker" onClick=${send} data-sticker-id=${content.id}>
|
|
<img data-src=${makeThumbnailURL(content.url)} alt=${content.body} />
|
|
</div>
|
|
`
|
|
|
|
render(html`<${App} />`, document.body)
|