mirror of https://github.com/kiwix/libkiwix.git
Moved all viewer JS code to viewer.js
This commit is contained in:
Veloman Yunkan
parent
7ed01e7678
commit
948435794f
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@ -1,3 +1,146 @@
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// Terminology
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//
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// user url: identifier of the page that has to be displayed in the viewer
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// and that is used as the hash component of the viewer URL. For
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// book resources the address url is {book}/{resource} .
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//
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// iframe url: the URL to be loaded in the viewer iframe.
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function userUrl2IframeUrl(url) {
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if ( url == '' ) {
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return blankPageUrl;
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}
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if ( url.startsWith('search?') ) {
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return `${root}/${url}`;
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}
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return `${root}/content/${url}`;
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}
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function getBookFromUserUrl(url) {
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if ( url == '' ) {
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return null;
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}
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if ( url.startsWith('search?') ) {
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const p = new URLSearchParams(url.slice("search?".length));
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return p.get('books.name');
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}
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return url.split('/')[0];
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}
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let currentBook = null;
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let currentBookTitle = null;
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const bookUIGroup = document.getElementById('kiwix_serve_taskbar_book_ui_group');
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const homeButton = document.getElementById('kiwix_serve_taskbar_home_button');
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function gotoMainPageOfCurrentBook() {
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location.hash = currentBook + '/';
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}
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function gotoUrl(url) {
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cf.src = url;
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}
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function gotoRandomPage() {
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gotoUrl(`${root}/random?content=${currentBook}`);
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}
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function performSearch() {
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const searchbox = document.getElementById('kiwixsearchbox');
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const q = encodeURIComponent(searchbox.value);
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gotoUrl(`${root}/search?books.name=${currentBook}&pattern=${q}`);
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}
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function setCurrentBook(book, title) {
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currentBook = book;
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currentBookTitle = title;
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homeButton.title = `Go to the main page of '${title}'`;
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homeButton.setAttribute("aria-label", homeButton.title);
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homeButton.innerHTML = `<button>${title}</button>`;
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const searchbox = document.getElementById('kiwixsearchbox');
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searchbox.title = `Search '${title}'`;
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searchbox.setAttribute("aria-label", searchbox.title);
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bookUIGroup.style.display = 'inline';
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}
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function noCurrentBook() {
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currentBook = null;
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currentBookTitle = null;
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bookUIGroup.style.display = 'none';
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}
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function updateCurrentBookIfNeeded(userUrl) {
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const book = getBookFromUserUrl(userUrl);
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if ( currentBook != book ) {
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updateCurrentBook(book);
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}
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}
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function updateCurrentBook(book) {
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if ( book == null ) {
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noCurrentBook();
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} else {
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fetch(`./raw/${book}/meta/Title`).then(async (resp) => {
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if ( resp.ok ) {
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setCurrentBook(book, await resp.text());
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} else {
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noCurrentBook();
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}
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}).catch((err) => {
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console.log("Error fetching book title: " + err);
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noCurrentBook();
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});
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}
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}
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function iframeUrl2UserUrl(url, query) {
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if ( url == blankPageUrl ) {
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return '';
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}
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if ( url == `${root}/search` ) {
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return `search${query}`;
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}
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url = url.slice(root.length);
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return url.split('/').slice(2).join('/');
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}
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const cf = document.getElementById('content_iframe');
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function handle_visual_viewport_change() {
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cf.height = window.visualViewport.height - cf.offsetTop - 4;
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}
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function handle_location_hash_change() {
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const hash = window.location.hash.slice(1);
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updateCurrentBookIfNeeded(hash);
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const iframeContentUrl = userUrl2IframeUrl(hash);
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console.log("handle_location_hash_change: " + hash);
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if ( iframeContentUrl != cf.contentWindow.location.pathname ) {
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cf.contentWindow.location.replace(iframeContentUrl);
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}
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}
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function handle_content_url_change() {
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document.title = cf.contentDocument.title;
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const iframeContentUrl = cf.contentWindow.location.pathname;
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const iframeContentQuery = cf.contentWindow.location.search;
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console.log('handle_content_url_change: ' + cf.contentWindow.location.href);
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const newHash = '#' + iframeUrl2UserUrl(iframeContentUrl, iframeContentQuery);
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const viewerURL = location.origin + location.pathname + location.search;
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window.location.replace(viewerURL + newHash);
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};
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window.onresize = handle_visual_viewport_change;
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window.onhashchange = handle_location_hash_change;
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handle_location_hash_change();
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function htmlDecode(input) {
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var doc = new DOMParser().parseFromString(input, "text/html");
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return doc.documentElement.textContent;
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@ -62,149 +62,6 @@
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</iframe>
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<script>
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// Terminology
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//
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// user url: identifier of the page that has to be displayed in the viewer
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// and that is used as the hash component of the viewer URL. For
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// book resources the address url is {book}/{resource} .
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//
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// iframe url: the URL to be loaded in the viewer iframe.
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function userUrl2IframeUrl(url) {
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if ( url == '' ) {
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return blankPageUrl;
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}
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if ( url.startsWith('search?') ) {
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return `${root}/${url}`;
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}
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return `${root}/content/${url}`;
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}
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function getBookFromUserUrl(url) {
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if ( url == '' ) {
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return null;
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}
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if ( url.startsWith('search?') ) {
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const p = new URLSearchParams(url.slice("search?".length));
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return p.get('books.name');
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}
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return url.split('/')[0];
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}
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let currentBook = null;
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let currentBookTitle = null;
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const bookUIGroup = document.getElementById('kiwix_serve_taskbar_book_ui_group');
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const homeButton = document.getElementById('kiwix_serve_taskbar_home_button');
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function gotoMainPageOfCurrentBook() {
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location.hash = currentBook + '/';
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}
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function gotoUrl(url) {
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cf.src = url;
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}
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function gotoRandomPage() {
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gotoUrl(`${root}/random?content=${currentBook}`);
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}
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function performSearch() {
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const searchbox = document.getElementById('kiwixsearchbox');
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const q = encodeURIComponent(searchbox.value);
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gotoUrl(`${root}/search?books.name=${currentBook}&pattern=${q}`);
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}
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function setCurrentBook(book, title) {
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currentBook = book;
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currentBookTitle = title;
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homeButton.title = `Go to the main page of '${title}'`;
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homeButton.setAttribute("aria-label", homeButton.title);
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homeButton.innerHTML = `<button>${title}</button>`;
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const searchbox = document.getElementById('kiwixsearchbox');
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searchbox.title = `Search '${title}'`;
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searchbox.setAttribute("aria-label", searchbox.title);
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bookUIGroup.style.display = 'inline';
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}
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function noCurrentBook() {
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currentBook = null;
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currentBookTitle = null;
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bookUIGroup.style.display = 'none';
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}
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function updateCurrentBookIfNeeded(userUrl) {
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const book = getBookFromUserUrl(userUrl);
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if ( currentBook != book ) {
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updateCurrentBook(book);
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}
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}
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function updateCurrentBook(book) {
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if ( book == null ) {
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noCurrentBook();
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} else {
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fetch(`./raw/${book}/meta/Title`).then(async (resp) => {
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if ( resp.ok ) {
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setCurrentBook(book, await resp.text());
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} else {
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noCurrentBook();
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}
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}).catch((err) => {
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console.log("Error fetching book title: " + err);
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noCurrentBook();
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});
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}
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}
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function iframeUrl2UserUrl(url, query) {
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if ( url == blankPageUrl ) {
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return '';
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}
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if ( url == `${root}/search` ) {
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return `search${query}`;
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}
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url = url.slice(root.length);
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return url.split('/').slice(2).join('/');
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}
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const cf = document.getElementById('content_iframe');
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function handle_visual_viewport_change() {
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cf.height = window.visualViewport.height - cf.offsetTop - 4;
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}
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window.onresize = handle_visual_viewport_change;
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function handle_location_hash_change() {
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const hash = window.location.hash.slice(1);
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updateCurrentBookIfNeeded(hash);
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const iframeContentUrl = userUrl2IframeUrl(hash);
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console.log("handle_location_hash_change: " + hash);
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if ( iframeContentUrl != cf.contentWindow.location.pathname ) {
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cf.contentWindow.location.replace(iframeContentUrl);
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}
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}
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window.onhashchange = handle_location_hash_change;
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handle_location_hash_change();
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function handle_content_url_change() {
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document.title = cf.contentDocument.title;
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const iframeContentUrl = cf.contentWindow.location.pathname;
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const iframeContentQuery = cf.contentWindow.location.search;
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console.log('handle_content_url_change: ' + cf.contentWindow.location.href);
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const newHash = '#' + iframeUrl2UserUrl(iframeContentUrl, iframeContentQuery);
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const viewerURL = location.origin + location.pathname + location.search;
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window.location.replace(viewerURL + newHash);
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};
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</script>
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</body>
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</html>
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@ -202,7 +202,7 @@ R"EXPECTEDRESULT( <img src="../skin/download.png?
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/* url */ "/ROOT/viewer",
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R"EXPECTEDRESULT( <link type="text/css" href="./skin/taskbar.css?cacheid=26082885" rel="Stylesheet" />
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<link type="text/css" href="./skin/css/autoComplete.css?cacheid=08951e06" rel="Stylesheet" />
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<script type="text/javascript" src="./skin/viewer.js?cacheid=9d78a751" defer></script>
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<script type="text/javascript" src="./skin/viewer.js?cacheid=b3ef34f2" defer></script>
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<script type="text/javascript" src="./skin/autoComplete.min.js?cacheid=1191aaaf"></script>
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const blankPageUrl = `${root}/skin/blank.html`;
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<label for="kiwix_button_show_toggle"><img src="./skin/caret.png?cacheid=22b942b4" alt=""></label>
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