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import { DataSource } from 'photoswipe';
import PhotoSwipeLightbox from 'photoswipe/lightbox';
import { Slide } from 'photoswipe/dist/types/slide/content';
import PhotoSwipeDynamicCaption from 'photoswipe-dynamic-caption-plugin';
import PhotoSwipeVideoPlugin from 'photoswipe-video-plugin';
import './Lightbox.css';
import 'photoswipe-dynamic-caption-plugin/photoswipe-dynamic-caption-plugin.css';
export function createLightbox(dataSource: DataSource): PhotoSwipeLightbox {
const lb = new PhotoSwipeLightbox({
dataSource,
pswpModule: async () => await import('photoswipe'),
});
const fullscreenSVG =
'<svg class="pswp__icn" width="26" height="22" aria-hidden="true" version="1.1" viewBox="-16 -8 26 22" xmlns="http://www.w3.org/2000/svg"><use class="pswp__icn-shadow" xlink:href="#pswp__icn-fullscreen-request"></use><use class="pswp__icn-shadow" xlink:href="#pswp__icn-fullscreen-exit"></use><path id="pswp__icn-fullscreen-request" d="m-12 10v-5h2v3h3v2zm0-14h5v2h-3v3h-2zm18 0v5h-2v-3h-3v-2zm0 14h-5v-2h3v-3h2z" style="stroke-width:1.0001"/> <path id="pswp__icn-fullscreen-exit" d="m-7 5v5h-2v-3h-3v-2zm0-4h-5v-2h3v-3h2zm8 0v-5h2v3h3v2zm0 4h5v2h-3v3h-2z" style="display:none"/></svg>';
lb.on('uiRegister', () => {
lb.pswp?.ui.registerElement({
name: 'fullscreen-button',
title: 'Toggle fullscreen',
order: 9,
isButton: true,
html: fullscreenSVG,
onClick: () => {
toggleFullscreen();
},
});
});
// eslint-disable-next-line no-new
new PhotoSwipeDynamicCaption(lb, {
type: 'below',
captionContent: (slide: Slide) => slide.data.alt,
});
// eslint-disable-next-line no-new
new PhotoSwipeVideoPlugin(lb, {
autoplay: false,
});
return lb;
}
interface WebkitDocument extends Document {
webkitExitFullscreen?: () => Promise<void>;
webkitFullscreenElement?: Element;
[key: string]: any;
}
interface WebkitHTMLElement extends HTMLElement {
webkitRequestFullscreen: () => Promise<void>;
[key: string]: any;
}
interface FullscreenAPI {
request: (element: WebkitHTMLElement) => void;
exit: () => void;
isFullscreen: () => boolean;
change: string;
error: string;
}
function getFullscreenAPI(): FullscreenAPI | undefined {
let api;
let enterFS = '';
let exitFS = '';
let elementFS = '';
let changeEvent = '';
let errorEvent = '';
if (document.documentElement.requestFullscreen !== undefined) {
enterFS = 'requestFullscreen';
exitFS = 'exitFullscreen';
elementFS = 'fullscreenElement';
changeEvent = 'fullscreenchange';
errorEvent = 'fullscreenerror';
} else if (
(document.documentElement as WebkitHTMLElement).webkitRequestFullscreen !== undefined
) {
enterFS = 'webkitRequestFullscreen';
exitFS = 'webkitExitFullscreen';
elementFS = 'webkitFullscreenElement';
changeEvent = 'webkitfullscreenchange';
errorEvent = 'webkitfullscreenerror';
}
if (enterFS !== '') {
api = {
request: (element: WebkitHTMLElement) => {
if (enterFS === 'webkitRequestFullscreen') {
void element.webkitRequestFullscreen();
} else {
void element.requestFullscreen();
}
},
exit: (): void => {
return (document as WebkitDocument)[exitFS]();
},
isFullscreen: (): boolean => {
return (document as WebkitDocument)[elementFS];
},
change: changeEvent,
error: errorEvent,
};
}
return api;
}
// Toggle full-screen mode function
function toggleFullscreen(): void {
const fullscreenAPI = getFullscreenAPI();
if (fullscreenAPI !== undefined) {
if (fullscreenAPI.isFullscreen()) {
// Exit full-screen mode
fullscreenAPI.exit();
// Toggle "Exit" and "Enter" full-screen SVG icon display
setTimeout(function () {
const exitIcon = document.getElementById('pswp__icn-fullscreen-exit');
if (exitIcon !== null) {
exitIcon.style.display = 'none';
}
const requestIcon = document.getElementById('pswp__icn-fullscreen-request');
if (requestIcon !== null) {
requestIcon.style.display = 'inline';
}
}, 300);
} else {
// Enter full-screen mode
const pswp = document.querySelector(`.pswp`);
if (pswp != null) {
fullscreenAPI.request(pswp as WebkitHTMLElement);
}
// Toggle "Exit" and "Enter" full-screen SVG icon display
setTimeout(function () {
const exitIcon = document.getElementById('pswp__icn-fullscreen-exit');
if (exitIcon !== null) {
exitIcon.style.display = 'inline';
}
const requestIcon = document.getElementById('pswp__icn-fullscreen-request');
if (requestIcon !== null) {
requestIcon.style.display = 'none';
}
}, 300);
}
}
}
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