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|
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="lib/bootstrap/v3/css/bootstrap.min.css" rel="stylesheet" media="screen">
<link href="lib/bootstrap/v3/css/bootstrap-theme.min.css" rel="stylesheet" media="screen">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script src="lib/bootstrap/v3/js/jquery.js"></script>
<script src="lib/bootstrap/v3/js/bootstrap.min.js"></script>
<script src="lib/zip.min.js"></script>
<script src="lib/localforage.min.js"></script>
<script src="lib/epub.js"></script>
<script src="lib/smartimages.js"></script>
<script src="js/read.js"></script>
<script src="js/common.js"></script>
<link id="favicon" rel="shortcut icon" type="image/png" href="img/favicon.png" />
<link type="text/css" rel="stylesheet" media="screen" href="css/read.css" />
</head>
<body>
<div class="modal fade" id="settings-modal" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">Settings</h4>
</div>
<div class="modal-body">
<form name="settings-form" onsubmit="return false" class="form-horizontal">
<div class="form-group">
<label class="col-sm-3 control-label">Font</label>
<div class="col-sm-9">
<select class="font_family form-control" onchange="apply_font(this)">
<option>Arial</option>
<option>Times New Roman</option>
<option>Georgia</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label">Text size</label>
<div class="col-sm-9">
<select class="font_size form-control" onchange="apply_font_size(this)"></select>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label">Line height</label>
<div class="col-sm-9">
<select class="line_height form-control" onchange="apply_line_height(this)"></select>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label"></label>
<div class="col-sm-9">
<div class="checkbox">
<label>
<input class="transition_checkbox" onchange="toggle_transitions(this)"
type="checkbox"> Disable transitions (needs page reload)
</label>
</div>
</div>
</div>
<hr/>
<div class="form-group">
<label class="col-sm-3 control-label">Last location</label>
<div class="col-sm-9">
<div class="input-group">
<input type="numeric" disabled="disabled" class="form-control lastread_input">
<span class="input-group-btn">
<button class="btn btn-danger" type="button" onclick="clear_lastread()">Clear</button>
</span>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label"></label>
<div class="col-sm-9">
<button class="btn btn-primary" type="button" onclick="mark_as_read()">Mark as read</button>
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="dict-modal" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">Dictionary Lookup</h4>
</div>
<div class="modal-body">
<div class="dict_result"> </div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="toc-modal" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">Table of Contents</h4>
</div>
<div class="modal-body">
<ul class="toc_list list-unstyled"> </ul>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="modal fade" id="search-modal" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">Search</h4>
</div>
<div class="modal-body">
<form class="form-horizontal" onsubmit="return false;">
<div class="form-group">
<label class="col-sm-4 control-label">Search (active chapter)</label>
<div class="col-sm-8">
<input type="search" class="form-control search_input">
</div>
</div>
<ol class="search_results"> </ol>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-primary" onclick="search()">Search</button>
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="header">
<span>
<a href="#" onclick="save_and_close()">« Exit</a>
<span class="title"></span>
</span>
<span class="toolbar">
<!-- <button class="btn btn-default btn-xs"
data-toggle="modal" data-target="#toc-modal">
<span class="glyphicon glyphicon-th-list" aria-hidden="true"></span>
</button> -->
<button class="btn btn-default btn-xs"
data-toggle="modal" data-target="#settings-modal">
<span class="glyphicon glyphicon-wrench" aria-hidden="true"></span>
</button>
<button class="btn btn-default btn-xs" onclick="toggle_night_mode()">
<span class="glyphicon glyphicon-eye-open" aria-hidden="true"></span>
</button>
<button class="btn btn-default btn-xs"
data-toggle="modal" data-target="#search-modal">
<span class="glyphicon glyphicon-search" aria-hidden="true"></span>
</button>
<!-- <button class="btn btn-default btn-xs hidden-xs" onclick="zoom(2)">
<span class="glyphicon glyphicon-zoom-in" aria-hidden="true"></span>
</button>
<button class="btn btn-default btn-xs hidden-xs" onclick="zoom(-2)">
<span class="glyphicon glyphicon-zoom-out" aria-hidden="true"></span>
</button> -->
</span>
</div>
<div class="footer">
<div class="chapter" data-toggle="modal" data-target="#toc-modal"></div>
<div class="location">
<span id="cur_page">?</span> / <span id="total_pages">?</span>
(<span id="page_pct">?</span>)
</div>
</div>
<div id="reader"></div>
<div class="loading">
<div class="loading_message">
Opening book...
</div>
</div>
<script>
var _pagination_stored = 0;
var _last_position_sync = 0;
const DEFAULT_FONT_SIZE = 16;
const DEFAULT_FONT_FAMILY = "Georgia";
const DEFAULT_LINE_HEIGHT = 140;
function cacheId(suffix) {
return "epube-book." + $.urlParam("b") + (suffix ? "." + suffix : "");
}
$(document).ready(function() {
apply_night_mode();
$(window).on('online', function() {
console.log("we're online, storing lastread");
var currentPage = book.pagination.pageFromCfi(book.getCurrentLocationCfi());
var currentCfi = book.getCurrentLocationCfi();
$.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage,
cfi: currentCfi }, function(data) {
if (data.cfi) {
_last_position_sync = new Date().getTime()/1000;
}
});
});
if ('serviceWorker' in navigator) {
navigator.serviceWorker
.register('worker.js')
.then(function() {
console.log("service worker registered");
});
}
localforage.getItem(cacheId("book")).then(function(item) {
if (item) {
console.log("loading from local storage");
var fileReader = new FileReader();
fileReader.onload = function() {
book.open(this.result);
};
fileReader.readAsArrayBuffer(item);
} else {
console.log("loading from network");
if (navigator.onLine) {
var book_url = "backend.php?op=download&id=" + $.urlParam("id");
RSVP.on('error', function(error) {
if ($(".loading").is(":visible")) {
$(".loading_message").html("Unable to load book.");
}
console.log(error);
});
fetch(book_url, {credentials: 'same-origin'}).then(function(resp) {
if (resp.status == 200) {
var bookId = $.urlParam("b");
// let's store this for later
localforage.setItem(cacheId('book'), resp.clone().blob());
// if there's no base information cached yet, let's do that too
localforage.getItem(cacheId()).then(function(info) {
if (!info) {
$.post("backend.php", {op: "getinfo", id: bookId }, function(data) {
if (data) {
localforage.setItem(cacheId(), data);
if (data.has_cover) {
fetch("backend.php?op=cover&id=" + bookId, {credentials: 'same-origin'}).then(function(resp) {
if (resp.status == 200) {
localforage.setItem(cacheId('cover'), resp.blob());
}
});
}
}
});
}
});
resp.blob().then(function(blob) {
var fileReader = new FileReader();
fileReader.onload = function() {
book.open(this.result);
};
fileReader.readAsArrayBuffer(blob);
});
} else {
$(".loading_message").html("Unable to download book: " + resp.status + ".");
}
});
} else {
$(".loading_message").html("This book is not available offline.");
}
}
});
init_taps();
document.onkeydown = hotkey_handler;
EPUBJS.Hooks.register("beforeChapterDisplay").swipeDetection = function(callback, renderer) {
var baseUrl = window.location.href.match(/^.*\//)[0];
EPUBJS.core.addScripts([baseUrl + "lib/bootstrap/v3/js/jquery.js",
baseUrl + "lib/jquery.mobile.custom.js",
baseUrl + "js/dict.js",
baseUrl + "js/swipes.js" ], null, renderer.doc.head);
EPUBJS.core.addCss(baseUrl + "css/reader.css", null, renderer.doc.head);
localforage.getItem("epube.disable-transitions").then(function(disable) {
if (!disable) {
EPUBJS.core.addCss(baseUrl + "css/transitions.css", null, renderer.doc.head);
EPUBJS.Render.Iframe.prototype.setLeft = function(leftPos){
this.docEl.style[this.transform] = 'translate('+ (-leftPos) + 'px, 0)';
}
}
});
if (callback) callback();
}
var book = ePub({
restore: false,
});
Promise.all([
localforage.getItem("epube.fontSize"),
localforage.getItem("epube.fontFamily"),
localforage.getItem("epube.lineHeight")
]).then(function(res) {
var fontSize = res[0] ? res[0] + "px" : DEFAULT_FONT_SIZE + "px";
var fontFamily = res[1] ? res[1] : DEFAULT_FONT_FAMILY;
var lineHeight = res[2] ? res[2] + "%" : DEFAULT_LINE_HEIGHT + "%";
book.setStyle("fontSize", fontSize);
book.setStyle("fontFamily", fontFamily);
book.setStyle("lineHeight", lineHeight);
book.setStyle("textAlign", "justify");
});
//styles: { fontSize: '24px', lineHeight: '130%', fontFamily: 'Georgia' }
window.book = book;
var rendered = book.renderTo("reader");
$('#settings-modal').on('shown.bs.modal', function() {
$.post("backend.php", { op: "getlastread", id: $.urlParam("id") }, function(data) {
$(".lastread_input").val(data.page);
});
localforage.getItem("epube.disable-transitions").then(function(disable) {
$(".transition_checkbox").attr("checked", disable);
});
localforage.getItem("epube.fontFamily").then(function(font) {
if (!font) font = DEFAULT_FONT_FAMILY;
$(".font_family").val(font);
});
localforage.getItem("epube.fontSize").then(function(size) {
if (!size) size = DEFAULT_FONT_SIZE;
var zoom = $(".font_size").html("");
for (var i = 10; i <= 32; i++) {
var opt = $("<option>").val(i).html(i + " px");
if (i == size) opt.attr("selected", "1");
zoom.append(opt);
}
});
localforage.getItem("epube.lineHeight").then(function(height) {
if (!height) height = DEFAULT_LINE_HEIGHT;
var zoom = $(".line_height").html("");
for (var i = 100; i <= 220; i += 10) {
var opt = $("<option>").val(i).html(i + "%");
if (i == height) opt.attr("selected", "1");
zoom.append(opt);
}
});
})
$('#dict-modal').on('shown.bs.modal', function() {
$(".dict_result").scrollTop(0);
})
$('#toc-modal').on('shown.bs.modal', function() {
function process_toc_sublist(row, list, nest) {
if (nest == 3) return false;
if (row.subitems) {
var sublist = $("<ul class='toc_sublist list-unstyled'>");
$.each(row.subitems, function(i, row) {
var a = $("<a>")
.attr('href', '#')
.html(row.label + " <b class='pull-right'>" +
book.pagination.pageFromCfi(row.cfi) + "</b>")
.attr('data-cfi', row.cfi)
.click(function() {
book.gotoCfi(a.attr('data-cfi'));
});
sublist.append($("<li>").append(a));
process_toc_sublist(row, sublist, nest + 1);
});
list.append(sublist);
}
}
book.getToc().then(function(toc) {
var list = $(".toc_list");
list.html("");
$.each(toc, function(i, row) {
// if anything fails here the toc entry is likely useless anyway (i.e. no cfi)
try {
var a = $("<a>")
.attr('href', '#')
.html(row.label + " <b class='pull-right'>" +
book.pagination.pageFromCfi(row.cfi) + "</b>")
.attr('data-cfi', row.cfi)
.click(function() {
book.gotoCfi(a.attr('data-cfi'));
});
list.append($("<li>").append(a));
process_toc_sublist(row, list, 0);
} catch (e) {
console.warn(e);
}
});
// well the toc didn't work out, might as well generate one
if (list.children().length <= 1) {
list.html("");
$.each(book.spine, function (i, row) {
var a = $("<a>")
.attr('href', '#')
.attr('title', row.url)
.html("Section " + (i+1) + " <b>(Loc. " +
book.pagination.pageFromCfi(row.cfi) + ")</b>")
.attr('data-cfi', row.cfi)
.click(function() {
book.gotoCfi(a.attr('data-cfi'));
});
list.append($("<li>").append(a));
});
}
});
})
book.on("renderer:chapterUnloaded", function() {
$(".chapter").html("Loading...");
});
book.on("renderer:chapterDisplayed", function() {
$(".chapter").html("");
var toc_entry = false;
function iterate_sublist(row, nest) {
if (nest == 3) return false;
if (row.subitems) {
$.each(row.subitems, function (i, r) {
if (r.spinePos == book.currentChapter.spinePos) {
toc_entry = r;
return true;
}
if (iterate_sublist(r, nest + 1))
return true;
});
}
return false;
}
$.each(book.toc, function(i, a) {
if (a.spinePos == book.currentChapter.spinePos) {
toc_entry = a;
return;
}
//if (iterate_sublist(a, 0)) return;
});
console.log('toc', toc_entry);
if (toc_entry) $(".chapter").html(toc_entry.label);
});
book.on("renderer:chapterDisplayed", function() {
$("#reader iframe")[0].contentWindow.onwheel = function(event) {
if (event.deltaY > 0) {
next_page();
} else if (event.deltaY < 0) {
prev_page();
}
};
$("#reader iframe")[0].contentWindow.ontouchend = function(event) {
console.log('ontouchend');
};
/*$("#reader iframe")[0].contentWindow.onmouseup = function(event) {
if (!navigator.onLine) return;
var wnd = this;
var sel = wnd.getSelection().toString().trim();
if (sel.match(/^\w+$/)) {
$.post("backend.php", {op: 'define', word: sel}, function(data) {
if (data) {
wnd.getSelection().removeAllRanges();
$(".dict_result").html(data.result.join("<br/>"));
$("#dict-modal").modal('show');
}
});
}
};*/
});
book.on("renderer:keydown", hotkey_handler);
book.getMetadata().then(function(meta){
document.title = meta.bookTitle + " – " + meta.creator;
$(".title").html("<b>" + meta.bookTitle + "</b> - " + meta.creator);
});
rendered.then(function() {
localforage.getItem(cacheId("pagination")).then(function(pageList) {
if (pageList && book.loadPagination(pageList).length > 0) {
_pagination_stored = 1;
} else {
var url = "backend.php?op=getpagination&id=" + encodeURIComponent($.urlParam("id"));
EPUBJS.core.request(url).then(function(pageList) {
console.log("pagination: requesting remote: ");
if (book.loadPagination(pageList).length > 0) {
localforage.setItem(cacheId("pagination"), JSON.parse(pageList));
_pagination_stored = 1;
} else {
book.generatePagination(1020, 2400);
}
}).catch(function() {
book.generatePagination(1020, 2400);
});
}
});
});
book.pageListReady.then(function(pageList) {
if (!_pagination_stored) {
if (navigator.onLine) {
$.post("backend.php", { op: "storepagination", id: $.urlParam("id"),
payload: JSON.stringify(pageList), total: book.pagination.totalPages });
}
localforage.setItem(cacheId("pagination"), pageList);
}
// this might revert progress if server has older position stored
// because for example this client read further while offline
// probably need to compare item.page and data.page since those are
// uniform between devices now
localforage.getItem(cacheId("lastread")).then(function(item) {
console.log('lr local', item.cfi);
if (item && item.cfi) book.gotoCfi(item.cfi);
if (navigator.onLine) {
$.post("backend.php", { op: "getlastread", id: $.urlParam("id") }, function(data) {
console.log('lr remote', data.cfi);
if (navigator.onLine && data) {
localforage.setItem(cacheId("lastread"),
{cfi: data.cfi, page: data.page, total: data.total});
if (data.cfi && item.cfi != data.cfi) book.gotoCfi(data.cfi);
}
});
}
});
var curPage = book.pagination.pageFromCfi(book.getCurrentLocationCfi());
$("#total_pages").html(book.pagination.totalPages);
$("#cur_page").html(curPage);
if (book.pagination.totalPages > 0) {
var pct = parseInt(curPage / book.pagination.totalPages * 100);
$("#page_pct").html(pct + "%");
}
window.setTimeout(function() {
$(".loading").hide();
}, 1000);
$(".location").click(function() {
var current = book.pagination.pageFromCfi(book.getCurrentLocationCfi());
var total = book.pagination.totalPages;
var page = prompt("Jump to location [1-" + total + "]", current);
if (page) {
book.gotoPage(page);
}
});
});
book.on('book:pageChanged', function(location) {
//console.log(location);
$(".loading").hide();
$("#cur_page").html(location.anchorPage);
var total = book.pagination.totalPages;
if (book.pagination.totalPages > 0) {
var pct = parseInt(location.anchorPage / book.pagination.totalPages * 100);
$("#page_pct").html(pct + "%");
}
if (_store_position && new Date().getTime()/1000 - _last_position_sync > 15) {
console.log("storing lastread");
var currentCfi = book.getCurrentLocationCfi();
var currentPage = location.anchorPage;
var totalPages = book.pagination.totalPages;
if (navigator.onLine) {
$.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage,
cfi: currentCfi }, function(data) {
if (data.cfi) {
_last_position_sync = new Date().getTime()/1000;
}
});
_store_position = 0;
} else {
_last_position_sync = 0;
}
localforage.setItem(cacheId("lastread"),
{cfi: currentCfi, page: currentPage, total: totalPages});
}
});
});
</script>
</body>
</html>
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