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calibre-web/cps/static/js/reading/epub.js

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/* global $, calibre, EPUBJS, ePubReader */
var reader;
(function() {
"use strict";
EPUBJS.filePath = calibre.filePath;
EPUBJS.cssPath = calibre.cssPath;
reader = ePubReader(calibre.bookUrl, {
restore: true,
bookmarks: calibre.bookmark ? [calibre.bookmark] : []
});
Object.keys(themes).forEach(function (theme) {
reader.rendition.themes.register(theme, themes[theme].css_path);
});
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if (calibre.useBookmarks) {
reader.on("reader:bookmarked", updateBookmark.bind(reader, "add"));
reader.on("reader:unbookmarked", updateBookmark.bind(reader, "remove"));
} else {
$("#bookmark, #show-Bookmarks").remove();
}
// Enable swipe support
// I have no idea why swiperRight/swiperLeft from plugins is not working, events just don't get fired
var touchStart = 0;
var touchEnd = 0;
reader.rendition.on('touchstart', function(event) {
touchStart = event.changedTouches[0].screenX;
});
reader.rendition.on('touchend', function(event) {
touchEnd = event.changedTouches[0].screenX;
if (touchStart < touchEnd) {
if(reader.book.package.metadata.direction === "rtl") {
reader.rendition.next();
} else {
reader.rendition.prev();
}
// Swiped Right
}
if (touchStart > touchEnd) {
if(reader.book.package.metadata.direction === "rtl") {
reader.rendition.prev();
} else {
reader.rendition.next();
}
// Swiped Left
}
});
/**
* @param {string} action - Add or remove bookmark
* @param {string|int} location - Location or zero
*/
function updateBookmark(action, location) {
// Remove other bookmarks (there can only be one)
if (action === "add") {
this.settings.bookmarks.filter(function (bookmark) {
return bookmark && bookmark !== location;
}).map(function (bookmark) {
this.removeBookmark(bookmark);
}.bind(this));
}
var csrftoken = $("input[name='csrf_token']").val();
// Save to database
$.ajax(calibre.bookmarkUrl, {
method: "post",
data: { bookmark: location || "" },
headers: { "X-CSRFToken": csrftoken }
}).fail(function (xhr, status, error) {
alert(error);
});
}
// Default settings load
const theme = localStorage.getItem("calibre.reader.theme") ?? "lightTheme";
selectTheme(theme);
})();