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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;
}
}
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