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Diffstat (limited to 'web/index.js')
| -rw-r--r-- | web/index.js | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/web/index.js b/web/index.js deleted file mode 100644 index 342f524..0000000 --- a/web/index.js +++ /dev/null @@ -1,235 +0,0 @@ -// 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) |