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/*
* Copyright (C) 2023 Yomitan Authors
* Copyright (C) 2021-2022 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* @param {Element} element
*/
function requestFullscreen(element) {
if (element.requestFullscreen) {
element.requestFullscreen();
// @ts-expect-error - Browser compatibility
} else if (element.mozRequestFullScreen) {
// @ts-expect-error - Browser compatibility
element.mozRequestFullScreen();
// @ts-expect-error - Browser compatibility
} else if (element.webkitRequestFullscreen) {
// @ts-expect-error - Browser compatibility
element.webkitRequestFullscreen();
// @ts-expect-error - Browser compatibility
} else if (element.msRequestFullscreen) {
// @ts-expect-error - Browser compatibility
element.msRequestFullscreen();
}
}
/** */
function exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
// @ts-expect-error - Browser compatibility
} else if (document.mozCancelFullScreen) {
// @ts-expect-error - Browser compatibility
document.mozCancelFullScreen();
// @ts-expect-error - Browser compatibility
} else if (document.webkitExitFullscreen) {
// @ts-expect-error - Browser compatibility
document.webkitExitFullscreen();
// @ts-expect-error - Browser compatibility
} else if (document.msExitFullscreen) {
// @ts-expect-error - Browser compatibility
document.msExitFullscreen();
}
}
/**
* @returns {?Element}
*/
function getFullscreenElement() {
return (
document.fullscreenElement ||
// @ts-expect-error - Browser compatibility
document.msFullscreenElement ||
// @ts-expect-error - Browser compatibility
document.mozFullScreenElement ||
// @ts-expect-error - Browser compatibility
document.webkitFullscreenElement ||
null
);
}
/**
* @param {Element} element
*/
function toggleFullscreen(element) {
if (getFullscreenElement()) {
exitFullscreen();
} else {
requestFullscreen(element);
}
}
/**
* @param {HTMLElement|DocumentFragment} container
* @param {?Element} [fullscreenElement]
*/
function setup(container, fullscreenElement=null) {
const fullscreenLink = container.querySelector('.fullscreen-link');
if (fullscreenLink !== null) {
if (fullscreenElement === null) {
fullscreenElement = container.querySelector('.fullscreen-element');
}
fullscreenLink.addEventListener('click', (e) => {
if (fullscreenElement === null) { return; }
toggleFullscreen(fullscreenElement);
e.preventDefault();
return false;
}, false);
}
const template = container.querySelector('template');
const templateContentContainer = container.querySelector('.template-content-container');
if (template !== null && templateContentContainer !== null) {
const mode = (container instanceof HTMLElement ? container.dataset.shadowMode : void 0);
const shadow = templateContentContainer.attachShadow({
mode: (mode === 'open' || mode === 'closed' ? mode : 'open')
});
const containerStyles = document.querySelector('#container-styles');
if (containerStyles !== null) {
shadow.appendChild(containerStyles.cloneNode(true));
}
const content = document.importNode(template.content, true);
setup(content);
shadow.appendChild(content);
}
}
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