691 lines
No EOL
21 KiB
JavaScript
691 lines
No EOL
21 KiB
JavaScript
// OnClick attaches a listener to the elements that match the selector.
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function onClick(selector, callback, noPreventDefault) {
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let elements = document.querySelectorAll(selector);
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elements.forEach((element) => {
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element.onclick = (event) => {
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if (!noPreventDefault) {
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event.preventDefault();
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}
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callback(event);
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};
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});
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}
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function onAuxClick(selector, callback, noPreventDefault) {
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let elements = document.querySelectorAll(selector);
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elements.forEach((element) => {
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element.onauxclick = (event) => {
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if (!noPreventDefault) {
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event.preventDefault();
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}
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callback(event);
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};
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});
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}
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// Show and hide the main menu on mobile devices.
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function toggleMainMenu() {
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let menu = document.querySelector(".header nav ul");
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if (DomHelper.isVisible(menu)) {
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menu.style.display = "none";
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} else {
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menu.style.display = "block";
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}
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let searchElement = document.querySelector(".header .search");
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if (DomHelper.isVisible(searchElement)) {
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searchElement.style.display = "none";
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} else {
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searchElement.style.display = "block";
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}
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}
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// Handle click events for the main menu (<li> and <a>).
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function onClickMainMenuListItem(event) {
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let element = event.target;
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if (element.tagName === "A") {
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window.location.href = element.getAttribute("href");
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} else {
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window.location.href = element.querySelector("a").getAttribute("href");
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}
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}
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// Change the button label when the page is loading.
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function handleSubmitButtons() {
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let elements = document.querySelectorAll("form");
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elements.forEach((element) => {
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element.onsubmit = () => {
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let button = element.querySelector("button");
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if (button) {
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button.innerHTML = button.dataset.labelLoading;
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button.disabled = true;
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}
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};
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});
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}
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// Set cursor focus to the search input.
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function setFocusToSearchInput(event) {
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event.preventDefault();
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event.stopPropagation();
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let toggleSwitchElement = document.querySelector(".search-toggle-switch");
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if (toggleSwitchElement) {
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toggleSwitchElement.style.display = "none";
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}
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let searchFormElement = document.querySelector(".search-form");
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if (searchFormElement) {
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searchFormElement.style.display = "block";
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}
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let searchInputElement = document.getElementById("search-input");
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if (searchInputElement) {
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searchInputElement.focus();
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searchInputElement.value = "";
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}
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}
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// Show modal dialog with the list of keyboard shortcuts.
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function showKeyboardShortcuts() {
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let template = document.getElementById("keyboard-shortcuts");
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if (template !== null) {
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ModalHandler.open(template.content, "dialog-title");
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}
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}
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// Mark as read visible items of the current page.
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function markPageAsRead() {
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let items = DomHelper.getVisibleElements(".items .item");
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let entryIDs = [];
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items.forEach((element) => {
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element.classList.add("item-status-read");
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entryIDs.push(parseInt(element.dataset.id, 10));
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});
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if (entryIDs.length > 0) {
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updateEntriesStatus(entryIDs, "read", () => {
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// Make sure the Ajax request reach the server before we reload the page.
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let element = document.querySelector("a[data-action=markPageAsRead]");
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let showOnlyUnread = false;
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if (element) {
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showOnlyUnread = element.dataset.showOnlyUnread || false;
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}
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if (showOnlyUnread) {
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window.location.href = window.location.href;
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} else {
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goToPage("next", true);
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}
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});
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}
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}
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/**
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* Handle entry status changes from the list view and entry view.
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* Focus the next or the previous entry if it exists.
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* @param {string} item Item to focus: "previous" or "next".
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* @param {Element} element
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* @param {boolean} setToRead
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*/
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function handleEntryStatus(item, element, setToRead) {
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let toasting = !element;
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let currentEntry = findEntry(element);
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if (currentEntry) {
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if (!setToRead || currentEntry.querySelector("a[data-toggle-status]").dataset.value == "unread") {
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toggleEntryStatus(currentEntry, toasting);
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}
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if (isListView() && currentEntry.classList.contains('current-item')) {
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switch (item) {
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case "previous":
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goToListItem(-1);
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break;
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case "next":
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goToListItem(1);
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break;
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}
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}
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}
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}
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// Change the entry status to the opposite value.
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function toggleEntryStatus(element, toasting) {
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let entryID = parseInt(element.dataset.id, 10);
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let link = element.querySelector("a[data-toggle-status]");
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let currentStatus = link.dataset.value;
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let newStatus = currentStatus === "read" ? "unread" : "read";
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link.querySelector("span").innerHTML = link.dataset.labelLoading;
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updateEntriesStatus([entryID], newStatus, () => {
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let iconElement, label;
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if (currentStatus === "read") {
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iconElement = document.querySelector("template#icon-read");
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label = link.dataset.labelRead;
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if (toasting) {
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showToast(link.dataset.toastUnread, iconElement);
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}
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} else {
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iconElement = document.querySelector("template#icon-unread");
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label = link.dataset.labelUnread;
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if (toasting) {
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showToast(link.dataset.toastRead, iconElement);
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}
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}
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link.innerHTML = iconElement.innerHTML + '<span class="icon-label">' + label + '</span>';
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link.dataset.value = newStatus;
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if (element.classList.contains("item-status-" + currentStatus)) {
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element.classList.remove("item-status-" + currentStatus);
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element.classList.add("item-status-" + newStatus);
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}
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});
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}
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// Mark a single entry as read.
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function markEntryAsRead(element) {
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if (element.classList.contains("item-status-unread")) {
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element.classList.remove("item-status-unread");
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element.classList.add("item-status-read");
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let entryID = parseInt(element.dataset.id, 10);
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updateEntriesStatus([entryID], "read");
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}
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}
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// Send the Ajax request to refresh all feeds in the background
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function handleRefreshAllFeeds() {
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let url = document.body.dataset.refreshAllFeedsUrl;
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if (url) {
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window.location.href = url;
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}
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}
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// Send the Ajax request to change entries statuses.
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function updateEntriesStatus(entryIDs, status, callback) {
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let url = document.body.dataset.entriesStatusUrl;
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let request = new RequestBuilder(url);
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request.withBody({entry_ids: entryIDs, status: status});
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request.withCallback((resp) => {
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resp.json().then(count => {
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if (callback) {
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callback(resp);
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}
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if (status === "read") {
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decrementUnreadCounter(count);
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} else {
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incrementUnreadCounter(count);
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}
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});
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});
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request.execute();
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}
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// Handle save entry from list view and entry view.
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function handleSaveEntry(element) {
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let toasting = !element;
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let currentEntry = findEntry(element);
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if (currentEntry) {
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saveEntry(currentEntry.querySelector("a[data-save-entry]"), toasting);
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}
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}
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// Send the Ajax request to save an entry.
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function saveEntry(element, toasting) {
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if (!element) {
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return;
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}
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if (element.dataset.completed) {
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return;
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}
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let previousInnerHTML = element.innerHTML;
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element.innerHTML = '<span class="icon-label">' + element.dataset.labelLoading + '</span>';
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let request = new RequestBuilder(element.dataset.saveUrl);
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request.withCallback(() => {
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element.innerHTML = previousInnerHTML;
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element.dataset.completed = true;
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if (toasting) {
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let iconElement = document.querySelector("template#icon-save");
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showToast(element.dataset.toastDone, iconElement);
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}
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});
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request.execute();
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}
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// Handle bookmark from the list view and entry view.
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function handleBookmark(element) {
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let toasting = !element;
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let currentEntry = findEntry(element);
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if (currentEntry) {
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toggleBookmark(currentEntry, toasting);
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}
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}
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// Send the Ajax request and change the icon when bookmarking an entry.
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function toggleBookmark(parentElement, toasting) {
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let element = parentElement.querySelector("a[data-toggle-bookmark]");
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if (!element) {
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return;
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}
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element.innerHTML = '<span class="icon-label">' + element.dataset.labelLoading + '</span>';
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let request = new RequestBuilder(element.dataset.bookmarkUrl);
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request.withCallback(() => {
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let currentStarStatus = element.dataset.value;
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let newStarStatus = currentStarStatus === "star" ? "unstar" : "star";
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let iconElement, label;
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if (currentStarStatus === "star") {
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iconElement = document.querySelector("template#icon-star");
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label = element.dataset.labelStar;
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if (toasting) {
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showToast(element.dataset.toastUnstar, iconElement);
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}
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} else {
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iconElement = document.querySelector("template#icon-unstar");
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label = element.dataset.labelUnstar;
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if (toasting) {
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showToast(element.dataset.toastStar, iconElement);
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}
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}
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element.innerHTML = iconElement.innerHTML + '<span class="icon-label">' + label + '</span>';
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element.dataset.value = newStarStatus;
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});
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request.execute();
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}
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// Send the Ajax request to download the original web page.
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function handleFetchOriginalContent() {
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if (isListView()) {
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return;
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}
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let element = document.querySelector("a[data-fetch-content-entry]");
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if (!element) {
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return;
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}
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let previousInnerHTML = element.innerHTML;
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element.innerHTML = '<span class="icon-label">' + element.dataset.labelLoading + '</span>';
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let request = new RequestBuilder(element.dataset.fetchContentUrl);
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request.withCallback((response) => {
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element.innerHTML = previousInnerHTML;
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response.json().then((data) => {
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if (data.hasOwnProperty("content") && data.hasOwnProperty("reading_time")) {
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document.querySelector(".entry-content").innerHTML = data.content;
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let entryReadingtimeElement = document.querySelector(".entry-reading-time");
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if (entryReadingtimeElement) {
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entryReadingtimeElement.innerHTML = data.reading_time;
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}
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}
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});
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});
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request.execute();
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}
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function openOriginalLink(openLinkInCurrentTab) {
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let entryLink = document.querySelector(".entry h1 a");
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if (entryLink !== null) {
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if (openLinkInCurrentTab) {
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window.location.href = entryLink.getAttribute("href");
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} else {
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DomHelper.openNewTab(entryLink.getAttribute("href"));
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}
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return;
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}
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let currentItemOriginalLink = document.querySelector(".current-item a[data-original-link]");
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if (currentItemOriginalLink !== null) {
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DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href"));
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let currentItem = document.querySelector(".current-item");
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// If we are not on the list of starred items, move to the next item
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if (document.location.href != document.querySelector('a[data-page=starred]').href) {
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goToListItem(1);
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}
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markEntryAsRead(currentItem);
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}
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}
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function openCommentLink(openLinkInCurrentTab) {
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if (!isListView()) {
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let entryLink = document.querySelector("a[data-comments-link]");
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if (entryLink !== null) {
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if (openLinkInCurrentTab) {
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window.location.href = entryLink.getAttribute("href");
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} else {
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DomHelper.openNewTab(entryLink.getAttribute("href"));
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}
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return;
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}
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} else {
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let currentItemCommentsLink = document.querySelector(".current-item a[data-comments-link]");
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if (currentItemCommentsLink !== null) {
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DomHelper.openNewTab(currentItemCommentsLink.getAttribute("href"));
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}
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}
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}
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function openSelectedItem() {
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let currentItemLink = document.querySelector(".current-item .item-title a");
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if (currentItemLink !== null) {
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window.location.href = currentItemLink.getAttribute("href");
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}
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}
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function unsubscribeFromFeed() {
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let unsubscribeLinks = document.querySelectorAll("[data-action=remove-feed]");
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if (unsubscribeLinks.length === 1) {
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let unsubscribeLink = unsubscribeLinks[0];
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let request = new RequestBuilder(unsubscribeLink.dataset.url);
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request.withCallback(() => {
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if (unsubscribeLink.dataset.redirectUrl) {
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window.location.href = unsubscribeLink.dataset.redirectUrl;
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} else {
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window.location.reload();
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}
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});
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request.execute();
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}
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}
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/**
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* @param {string} page Page to redirect to.
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* @param {boolean} fallbackSelf Refresh actual page if the page is not found.
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*/
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function goToPage(page, fallbackSelf) {
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let element = document.querySelector("a[data-page=" + page + "]");
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if (element) {
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document.location.href = element.href;
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} else if (fallbackSelf) {
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window.location.reload();
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}
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}
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function goToPrevious() {
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if (isListView()) {
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goToListItem(-1);
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} else {
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goToPage("previous");
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}
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}
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function goToNext() {
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if (isListView()) {
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goToListItem(1);
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} else {
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goToPage("next");
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}
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}
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function goToFeedOrFeeds() {
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if (isEntry()) {
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goToFeed();
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} else {
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goToPage('feeds');
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}
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}
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function goToFeed() {
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if (isEntry()) {
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let feedAnchor = document.querySelector("span.entry-website a");
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if (feedAnchor !== null) {
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window.location.href = feedAnchor.href;
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}
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} else {
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let currentItemFeed = document.querySelector(".current-item a[data-feed-link]");
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if (currentItemFeed !== null) {
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window.location.href = currentItemFeed.getAttribute("href");
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}
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}
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}
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/**
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* @param {number} offset How many items to jump for focus.
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*/
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function goToListItem(offset) {
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let items = DomHelper.getVisibleElements(".items .item");
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if (items.length === 0) {
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return;
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}
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if (document.querySelector(".current-item") === null) {
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items[0].classList.add("current-item");
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items[0].querySelector('.item-header a').focus();
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return;
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}
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for (let i = 0; i < items.length; i++) {
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if (items[i].classList.contains("current-item")) {
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items[i].classList.remove("current-item");
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let item = items[(i + offset + items.length) % items.length];
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item.classList.add("current-item");
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DomHelper.scrollPageTo(item);
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item.querySelector('.item-header a').focus();
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break;
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}
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}
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}
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function scrollToCurrentItem() {
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let currentItem = document.querySelector(".current-item");
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if (currentItem !== null) {
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DomHelper.scrollPageTo(currentItem, true);
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}
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}
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function decrementUnreadCounter(n) {
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updateUnreadCounterValue((current) => {
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return current - n;
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});
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}
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function incrementUnreadCounter(n) {
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updateUnreadCounterValue((current) => {
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return current + n;
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});
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}
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function updateUnreadCounterValue(callback) {
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let counterElements = document.querySelectorAll("span.unread-counter");
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counterElements.forEach((element) => {
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let oldValue = parseInt(element.textContent, 10);
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element.innerHTML = callback(oldValue);
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});
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if (window.location.href.endsWith('/unread')) {
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let oldValue = parseInt(document.title.split('(')[1], 10);
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let newValue = callback(oldValue);
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document.title = document.title.replace(
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/(.*?)\(\d+\)(.*?)/,
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function (match, prefix, suffix, offset, string) {
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return prefix + '(' + newValue + ')' + suffix;
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}
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);
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}
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}
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function isEntry() {
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return document.querySelector("section.entry") !== null;
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}
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function isListView() {
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return document.querySelector(".items") !== null;
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}
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function findEntry(element) {
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if (isListView()) {
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if (element) {
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return DomHelper.findParent(element, "item");
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} else {
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return document.querySelector(".current-item");
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}
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} else {
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return document.querySelector(".entry");
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}
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}
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function handleConfirmationMessage(linkElement, callback) {
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if (linkElement.tagName != 'A') {
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linkElement = linkElement.parentNode;
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}
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linkElement.style.display = "none";
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let containerElement = linkElement.parentNode;
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let questionElement = document.createElement("span");
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function createLoadingElement() {
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let loadingElement = document.createElement("span");
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loadingElement.className = "loading";
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loadingElement.appendChild(document.createTextNode(linkElement.dataset.labelLoading));
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|
|
questionElement.remove();
|
|
containerElement.appendChild(loadingElement);
|
|
}
|
|
|
|
let yesElement = document.createElement("a");
|
|
yesElement.href = "#";
|
|
yesElement.appendChild(document.createTextNode(linkElement.dataset.labelYes));
|
|
yesElement.onclick = (event) => {
|
|
event.preventDefault();
|
|
|
|
createLoadingElement();
|
|
|
|
callback(linkElement.dataset.url, linkElement.dataset.redirectUrl);
|
|
};
|
|
|
|
let noElement = document.createElement("a");
|
|
noElement.href = "#";
|
|
noElement.appendChild(document.createTextNode(linkElement.dataset.labelNo));
|
|
noElement.onclick = (event) => {
|
|
event.preventDefault();
|
|
|
|
const noActionUrl = linkElement.dataset.noActionUrl;
|
|
if (noActionUrl) {
|
|
createLoadingElement();
|
|
|
|
callback(noActionUrl, linkElement.dataset.redirectUrl);
|
|
} else {
|
|
linkElement.style.display = "inline";
|
|
questionElement.remove();
|
|
}
|
|
};
|
|
|
|
questionElement.className = "confirm";
|
|
questionElement.appendChild(document.createTextNode(linkElement.dataset.labelQuestion + " "));
|
|
questionElement.appendChild(yesElement);
|
|
questionElement.appendChild(document.createTextNode(", "));
|
|
questionElement.appendChild(noElement);
|
|
|
|
containerElement.appendChild(questionElement);
|
|
}
|
|
|
|
function showToast(label, iconElement) {
|
|
if (!label || !iconElement) {
|
|
return;
|
|
}
|
|
|
|
const toastMsgElement = document.getElementById("toast-msg");
|
|
if (toastMsgElement) {
|
|
toastMsgElement.innerHTML = iconElement.innerHTML + '<span class="icon-label">' + label + '</span>';
|
|
|
|
const toastElementWrapper = document.getElementById("toast-wrapper");
|
|
if (toastElementWrapper) {
|
|
toastElementWrapper.classList.remove('toast-animate');
|
|
setTimeout(function () {
|
|
toastElementWrapper.classList.add('toast-animate');
|
|
}, 100);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Navigate to the new subscription page. */
|
|
function goToAddSubscription() {
|
|
window.location.href = document.body.dataset.addSubscriptionUrl;
|
|
}
|
|
|
|
/**
|
|
* save player position to allow to resume playback later
|
|
* @param {Element} playerElement
|
|
*/
|
|
function handlePlayerProgressionSave(playerElement) {
|
|
const currentPositionInSeconds = Math.floor(playerElement.currentTime); // we do not need a precise value
|
|
const lastKnownPositionInSeconds = parseInt(playerElement.dataset.lastPosition, 10);
|
|
const recordInterval = 10;
|
|
|
|
// we limit the number of update to only one by interval. Otherwise, we would have multiple update per seconds
|
|
if (currentPositionInSeconds >= (lastKnownPositionInSeconds + recordInterval) ||
|
|
currentPositionInSeconds <= (lastKnownPositionInSeconds - recordInterval)
|
|
) {
|
|
playerElement.dataset.lastPosition = currentPositionInSeconds.toString();
|
|
let request = new RequestBuilder(playerElement.dataset.saveUrl);
|
|
request.withBody({progression: currentPositionInSeconds});
|
|
request.execute();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* handle new share entires and already shared entries
|
|
*/
|
|
function handleShare() {
|
|
let link = document.querySelector('a[data-share-status]');
|
|
let title = document.querySelector("body > main > section > header > h1 > a");
|
|
if (link.dataset.shareStatus === "shared") {
|
|
checkShareAPI(title, link.href);
|
|
}
|
|
if (link.dataset.shareStatus === "share") {
|
|
let request = new RequestBuilder(link.href);
|
|
request.withCallback((r) => {
|
|
checkShareAPI(title, r.url);
|
|
});
|
|
request.withHttpMethod("GET");
|
|
request.execute();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* wrapper for Web Share API
|
|
*/
|
|
function checkShareAPI(title, url) {
|
|
if (!navigator.canShare) {
|
|
console.error("Your browser doesn't support the Web Share API.");
|
|
window.location = url;
|
|
return;
|
|
}
|
|
try {
|
|
navigator.share({
|
|
title: title,
|
|
url: url
|
|
});
|
|
window.location.reload();
|
|
} catch (err) {
|
|
console.error(err);
|
|
window.location.reload();
|
|
}
|
|
} |