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Diffstat (limited to 'sticker.pinapelz.com/src/index.js')
| -rw-r--r-- | sticker.pinapelz.com/src/index.js | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/sticker.pinapelz.com/src/index.js b/sticker.pinapelz.com/src/index.js new file mode 100644 index 0000000..9f545b8 --- /dev/null +++ b/sticker.pinapelz.com/src/index.js @@ -0,0 +1,400 @@ +// maunium-stickerpicker - A fast and simple Matrix sticker picker widget. +// Copyright (C) 2020 Tulir Asokan +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU Affero General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Affero General Public License for more details. +// +// You should have received a copy of the GNU Affero General Public License +// along with this program. If not, see <https://www.gnu.org/licenses/>. +import {html, render, Component} from "../lib/htm/preact.js" +import {Spinner} from "./spinner.js" +import {SearchBox} from "./search-box.js" +import {giphyIsEnabled, GiphySearchTab, setGiphyAPIKey} from "./giphy.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" + +let INDEX = `${PACKS_BASE_URL}/index.json` +const params = new URLSearchParams(document.location.search) +if (params.has('config')) { + INDEX = params.get("config") +} + +const makeThumbnailURL = mxc => `${PACKS_BASE_URL}/thumbnails/${mxc.split("/").slice(-1)[0]}` + +// 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/) + +const supportedThemes = ["light", "dark", "black"] + +const defaultState = { + packs: [], + filtering: { + searchTerm: "", + packs: [], + }, +} + +class App extends Component { + constructor(props) { + super(props) + this.defaultTheme = params.get("theme") + this.state = { + viewingGifs: false, + packs: defaultState.packs, + loading: true, + error: null, + stickersPerRow: parseInt(localStorage.mauStickersPerRow || "4"), + theme: localStorage.mauStickerThemeOverride || this.defaultTheme, + frequentlyUsed: { + id: "frequently-used", + title: "Frequently used", + stickerIDs: frequent.get(), + stickers: [], + }, + filtering: defaultState.filtering, + } + if (!supportedThemes.includes(this.state.theme)) { + this.state.theme = "light" + } + if (!supportedThemes.includes(this.defaultTheme)) { + this.defaultTheme = "light" + } + 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.searchStickers = this.searchStickers.bind(this) + this.sendSticker = this.sendSticker.bind(this) + this.navScroll = this.navScroll.bind(this) + this.reloadPacks = this.reloadPacks.bind(this) + this.observeSectionIntersections = this.observeSectionIntersections.bind(this) + this.observeImageIntersections = this.observeImageIntersections.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])) + } + + searchStickers(e) { + const sanitizeString = s => s.toLowerCase().trim() + const searchTerm = sanitizeString(e.target.value) + + const allPacks = [this.state.frequentlyUsed, ...this.state.packs] + const packsWithFilteredStickers = allPacks.map(pack => ({ + ...pack, + stickers: pack.stickers.filter(sticker => + sanitizeString(sticker.body).includes(searchTerm) || + sanitizeString(sticker.id).includes(searchTerm) + ), + })) + + this.setState({ + filtering: { + ...this.state.filtering, + searchTerm, + packs: packsWithFilteredStickers.filter(({stickers}) => !!stickers.length), + }, + }) + } + + setStickersPerRow(val) { + localStorage.mauStickersPerRow = val + document.documentElement.style.setProperty("--stickers-per-row", localStorage.mauStickersPerRow) + this.setState({ + stickersPerRow: val, + }) + this.packListRef.scrollTop = this.packListRef.scrollHeight + } + + setTheme(theme) { + if (theme === "default") { + delete localStorage.mauStickerThemeOverride + this.setState({theme: this.defaultTheme}) + } else { + localStorage.mauStickerThemeOverride = theme + this.setState({theme: theme}) + } + } + + reloadPacks() { + this.imageObserver.disconnect() + this.sectionObserver.disconnect() + this.setState({ + packs: defaultState.packs, + filtering: defaultState.filtering, + }) + this._loadPacks(true) + } + + _loadPacks(disableCache = false) { + const cache = disableCache ? "no-cache" : undefined + fetch(INDEX, {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() + if (indexData.giphy_api_key !== undefined) { + setGiphyAPIKey(indexData.giphy_api_key, indexData.giphy_mxc_prefix) + } + // TODO only load pack metadata when scrolled into view? + for (const packFile of indexData.packs) { + let packRes + if (packFile.startsWith("https://") || packFile.startsWith("http://")) { + packRes = await fetch(packFile, {cache}) + } else { + packRes = await fetch(`${PACKS_BASE_URL}/${packFile}`, {cache}) + } + const packData = await packRes.json() + for (const sticker of packData.stickers) { + this.stickersByID.set(sticker.id, sticker) + } + this.setState({ + packs: [...this.state.packs, packData], + loading: false, + }) + } + this.updateFrequentlyUsed() + }, error => this.setState({loading: false, error})) + } + + componentDidMount() { + document.documentElement.style.setProperty("--stickers-per-row", this.state.stickersPerRow.toString()) + this._loadPacks() + this.imageObserver = new IntersectionObserver(this.observeImageIntersections, { + rootMargin: "100px", + }) + this.sectionObserver = new IntersectionObserver(this.observeSectionIntersections) + } + + observeImageIntersections(intersections) { + for (const entry of intersections) { + const img = entry.target.children.item(0) + if (entry.isIntersecting) { + img.setAttribute("src", img.getAttribute("data-src")) + img.classList.add("visible") + } else { + img.removeAttribute("src") + img.classList.remove("visible") + } + } + } + + observeSectionIntersections(intersections) { + const navWidth = this.navRef.getBoundingClientRect().width + let minX = 0, maxX = navWidth + let minXElem = null + let maxXElem = null + for (const entry of intersections) { + const packID = entry.target.getAttribute("data-pack-id") + if (!packID) { + continue + } + const navElement = document.getElementById(`nav-${packID}`) + if (entry.isIntersecting) { + navElement.classList.add("visible") + const bb = navElement.getBoundingClientRect() + if (bb.x < minX) { + minX = bb.x + minXElem = navElement + } else if (bb.right > maxX) { + maxX = bb.right + maxXElem = navElement + } + } else { + navElement.classList.remove("visible") + } + } + if (minXElem !== null) { + minXElem.scrollIntoView({inline: "start"}) + } else if (maxXElem !== null) { + maxXElem.scrollIntoView({inline: "end"}) + } + } + + 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 + } + + render() { + const theme = `theme-${this.state.theme}` + const filterActive = !!this.state.filtering.searchTerm + const packs = filterActive + ? this.state.filtering.packs + : [this.state.frequentlyUsed, ...this.state.packs] + + if (this.state.loading) { + return html` + <main class="spinner ${theme}"> + <${Spinner} size=${80} green/> + </main> + ` + } else if (this.state.error) { + return html` + <main class="error ${theme}"> + <h1>Failed to load packs</h1> + <p>${this.state.error}</p> + </main> + ` + } else if (this.state.packs.length === 0) { + return html` + <main class="empty ${theme}"><h1>No packs found 😿</h1></main> + ` + } + + const onClickOverride = this.state.viewingGifs + ? (evt, packID) => { + evt.preventDefault() + this.setState({viewingGifs: false}, () => { + scrollToSection(null, packID) + }) + } : null + const switchToGiphy = () => this.setState({viewingGifs: true, filtering: defaultState.filtering}) + + return html` + <main class="has-content ${theme}"> + <nav onWheel=${this.navScroll} ref=${elem => this.navRef = elem}> + ${giphyIsEnabled() && html` + <${NavBarItem} pack=${{id: "giphy", title: "GIPHY"}} iconOverride="giphy" onClickOverride=${switchToGiphy} extraClass=${this.state.viewingGifs ? "visible" : ""}/> + `} + <${NavBarItem} pack=${this.state.frequentlyUsed} iconOverride="recent" onClickOverride=${onClickOverride}/> + ${this.state.packs.map(pack => html`<${NavBarItem} id=${pack.id} pack=${pack} onClickOverride=${onClickOverride}/>`)} + <${NavBarItem} pack=${{id: "settings", title: "Settings"}} iconOverride="settings" onClickOverride=${onClickOverride}/> + </nav> + + ${this.state.viewingGifs ? html` + <${GiphySearchTab}/> + ` : html` + <${SearchBox} onInput=${this.searchStickers} value=${this.state.filtering.searchTerm ?? ""}/> + <div class="pack-list ${isMobileSafari ? "ios-safari-hack" : ""}" ref=${(elem) => (this.packListRef = elem)}> + ${filterActive && packs.length === 0 + ? html`<div class="search-empty"><h1>No stickers match your search</h1></div>` + : null} + ${packs.map((pack) => html`<${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> + <label for="stickers-per-row">Stickers per row: ${app.state.stickersPerRow}</label> + <input type="range" min=2 max=10 id="stickers-per-row" id="stickers-per-row" + value=${app.state.stickersPerRow} + onInput=${evt => app.setStickersPerRow(evt.target.value)}/> + </div> + <div> + <label for="theme">Theme: </label> + <select name="theme" id="theme" onChange=${evt => app.setTheme(evt.target.value)}> + <option value="default">Default</option> + <option value="light">Light</option> + <option value="dark">Dark</option> + <option value="black">Black</option> + </select> + </div> + </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-${id}`) + if (pack) { + pack.scrollIntoView({block: "start", behavior: "instant"}) + } + evt?.preventDefault() +} + +const NavBarItem = ({pack, iconOverride = null, onClickOverride = null, extraClass = null}) => html` + <a href="#pack-${pack.id}" id="nav-${pack.id}" data-pack-id=${pack.id} title=${pack.title} class="${extraClass}" + onClick=${onClickOverride ? (evt => onClickOverride(evt, pack.id)) : (isMobileSafari ? (evt => scrollToSection(evt, pack.id)) : undefined)}> + <div class="sticker"> + ${iconOverride ? html` + <span class="icon icon-${iconOverride}"/> + ` : 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=${content.body} title=${content.body}/> + </div> +` + +render(html`<${App}/>`, document.body) |