class NavHandler { setFocusToSearchInput(event) { event.preventDefault(); event.stopPropagation(); let toggleSwitchElement = document.querySelector(".search-toggle-switch"); if (toggleSwitchElement) { toggleSwitchElement.style.display = "none"; } let searchFormElement = document.querySelector(".search-form"); if (searchFormElement) { searchFormElement.style.display = "block"; } let searchInputElement = document.getElementById("search-input"); if (searchInputElement) { searchInputElement.focus(); searchInputElement.value = ""; } } showKeyboardShortcuts() { let template = document.getElementById("keyboard-shortcuts"); if (template !== null) { ModalHandler.open(template.content); } } markPageAsRead(showOnlyUnread) { let items = DomHelper.getVisibleElements(".items .item"); let entryIDs = []; items.forEach((element) => { element.classList.add("item-status-read"); entryIDs.push(parseInt(element.dataset.id, 10)); }); if (entryIDs.length > 0) { EntryHandler.updateEntriesStatus(entryIDs, "read", () => { // This callback make sure the Ajax request reach the server before we reload the page. if (showOnlyUnread) { window.location.reload(); } else { this.goToPage("next", true); } }); } } saveEntry() { if (this.isListView()) { let currentItem = document.querySelector(".current-item"); if (currentItem !== null) { let saveLink = currentItem.querySelector("a[data-save-entry]"); if (saveLink) { EntryHandler.saveEntry(saveLink); } } } else { let saveLink = document.querySelector("a[data-save-entry]"); if (saveLink) { EntryHandler.saveEntry(saveLink); } } } fetchOriginalContent() { if (! this.isListView()){ let link = document.querySelector("a[data-fetch-content-entry]"); if (link) { EntryHandler.fetchOriginalContent(link); } } } toggleEntryStatus() { if (! this.isListView()) { EntryHandler.toggleEntryStatus(document.querySelector(".entry")); return; } let currentItem = document.querySelector(".current-item"); if (currentItem !== null) { // The order is important here, // On the unread page, the read item will be hidden. this.goToNextListItem(); EntryHandler.toggleEntryStatus(currentItem); } } toggleBookmark() { if (! this.isListView()) { this.toggleBookmarkLink(document.querySelector(".entry")); return; } let currentItem = document.querySelector(".current-item"); if (currentItem !== null) { this.toggleBookmarkLink(currentItem); } } toggleBookmarkLink(parent) { let bookmarkLink = parent.querySelector("a[data-toggle-bookmark]"); if (bookmarkLink) { EntryHandler.toggleBookmark(bookmarkLink); } } openOriginalLink() { let entryLink = document.querySelector(".entry h1 a"); if (entryLink !== null) { DomHelper.openNewTab(entryLink.getAttribute("href")); return; } let currentItemOriginalLink = document.querySelector(".current-item a[data-original-link]"); if (currentItemOriginalLink !== null) { DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href")); // Move to the next item and if we are on the unread page mark this item as read. let currentItem = document.querySelector(".current-item"); this.goToNextListItem(); EntryHandler.markEntryAsRead(currentItem); } } openSelectedItem() { let currentItemLink = document.querySelector(".current-item .item-title a"); if (currentItemLink !== null) { window.location.href = currentItemLink.getAttribute("href"); } } unsubscribeFromFeed() { let unsubscribeLinks = document.querySelectorAll("[data-action=remove-feed]"); if (unsubscribeLinks.length === 1) { let unsubscribeLink = unsubscribeLinks[0]; FeedHandler.unsubscribe(unsubscribeLink.dataset.url, () => { if (unsubscribeLink.dataset.redirectUrl) { window.location.href = unsubscribeLink.dataset.redirectUrl; } else { window.location.reload(); } }); } } /** * @param {string} page Page to redirect to. * @param {boolean} fallbackSelf Refresh actual page if the page is not found. */ goToPage(page, fallbackSelf) { let element = document.querySelector("a[data-page=" + page + "]"); if (element) { document.location.href = element.href; } else if (fallbackSelf) { window.location.reload(); } } goToPrevious() { if (this.isListView()) { this.goToPreviousListItem(); } else { this.goToPage("previous"); } } goToNext() { if (this.isListView()) { this.goToNextListItem(); } else { this.goToPage("next"); } } goToFeedOrFeeds() { if (this.isEntry()) { let feedAnchor = document.querySelector("span.entry-website a"); if (feedAnchor !== null) { window.location.href = feedAnchor.href; } } else { this.goToPage('feeds'); } } goToPreviousListItem() { let items = DomHelper.getVisibleElements(".items .item"); if (items.length === 0) { return; } if (document.querySelector(".current-item") === null) { items[0].classList.add("current-item"); items[0].querySelector('.item-header a').focus(); return; } for (let i = 0; i < items.length; i++) { if (items[i].classList.contains("current-item")) { items[i].classList.remove("current-item"); if (i - 1 >= 0) { items[i - 1].classList.add("current-item"); DomHelper.scrollPageTo(items[i - 1]); items[i - 1].querySelector('.item-header a').focus(); } break; } } } goToNextListItem() { let currentItem = document.querySelector(".current-item"); let items = DomHelper.getVisibleElements(".items .item"); if (items.length === 0) { return; } if (currentItem === null) { items[0].classList.add("current-item"); items[0].querySelector('.item-header a').focus(); return; } for (let i = 0; i < items.length; i++) { if (items[i].classList.contains("current-item")) { items[i].classList.remove("current-item"); if (i + 1 < items.length) { items[i + 1].classList.add("current-item"); DomHelper.scrollPageTo(items[i + 1]); items[i + 1].querySelector('.item-header a').focus(); } break; } } } isEntry() { return document.querySelector("section.entry") !== null; } isListView() { return document.querySelector(".items") !== null; } }