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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/promise.js"></script>
<script src="lib/fetch.js"></script>
<script src="lib/zip.min.js"></script>
<script src="lib/localforage.min.js"></script>
<script src="lib/epub.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" />
<link type="text/css" rel="stylesheet" media="screen" href="themes/default.css" id="theme_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>
<option>Courier New</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">Theme</label>
<div class="col-sm-9">
<select class="theme_name form-control" onchange="change_theme(this)">
<option value="default">Default</option>
<option value="gray">Gray</option>
<option value="mocca">Mocca</option>
<option value="night">Night</option>
<option value="plan9">Plan9</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label"></label>
<div class="col-sm-9">
<!-- <div class="text-muted">Options take effect after reload:</div> -->
<div class="checkbox">
<label>
<input class="keep_ui_checkbox"
type="checkbox"> Keep UI when turning pages
</label>
</div>
</div>
</div>
<hr/>
<div class="form-group">
<label class="col-sm-3 control-label">Progress</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-default" type="button" onclick="open_lastread()">Open last read page</button>
<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>
<input type="hidden" class="dict_query" value=""/>
<div class="modal-body">
<div class="dict_result"> </div>
</div>
<div class="modal-footer">
<button type="button" class="dict_search_btn btn-default btn">Google</button>
<button type="button" class="btn btn-primary" 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 query</label>
<div class="col-sm-8">
<input type="search" class="form-control search_input">
</div>
</div>
<ul class="search_results list-unstyled"> </ul>
</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="container">
<div class="header">
<span>
<a href="#" onclick="save_and_close()">« Exit</a>
<span class="title"></span>
</span>
<span class="toolbar">
<span class="prev_location_btn"
onclick="open_previous_location(this)" style="display : none">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
</span>
<span data-toggle="modal" data-target="#search-modal">
<span class="glyphicon glyphicon-search" aria-hidden="true"></span>
</span>
<span onclick="toggle_fullscreen()">
<span class="glyphicon glyphicon-fullscreen" aria-hidden="true"></span>
</span>
<span data-toggle="modal" data-target="#settings-modal">
<span class="glyphicon glyphicon-wrench" aria-hidden="true"></span>
</span>
</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="left"></div>
<div id="right"></div>
<div id="reader"></div>
<div class="loading">
<div class="loading_message">
Opening book...
</div>
</div>
</div>
<script type='text/javascript'>
'use strict';
var _pagination_stored = 0;
var _last_position_sync = 0;
var _is_ios = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
var _res_data = [];
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() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker
.register('worker.js')
.then(function() {
console.log("service worker registered");
init_loader();
});
} else {
alert("Service worker support missing in browser (are you using plain HTTP?).");
}
});
function init_loader() {
// we need to preload resources for reader iframe because it can't utilize our
// service worker because while offline it is created outside our base server context
var res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js",
"css/transitions.css",
"js/reader.js", "css/reader.css", "js/dict.js",
"themes/default.css", "themes/mocca.css", "themes/night.css",
"themes/plan9.css", "themes/gray.css" ];
for (var i = 0; i < res_names.length; i++) {
fetch(res_names[i], {credentials: 'same-origin'}).then(function(resp) {
if (resp.status == 200) resp.text().then(function(data) {
_res_data[resp.url] = data;
});
});
}
check_resource_load(res_names, _res_data, 0);
}
function check_resource_load(res_names, res_data, attempt) {
console.log("check_resource_load", attempt, res_names.length, Object.keys(res_data).length);
if (attempt == 5) {
$(".loading_message").html("Unable to load resources.");
return;
}
if (res_names.length != Object.keys(res_data).length) {
window.setTimeout(function() {
check_resource_load(res_names, res_data, attempt+1);
}, 250);
} else {
init_reader();
}
}
function init_reader() {
apply_theme();
$(window).on('online', function() {
console.log("we're online, storing lastread");
var currentCfi = book.rendition.currentLocation().start.cfi;
var currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100);
$.post("backend.php", { op: "storelastread", id: $.urlParam("id"), page: currentPage,
cfi: currentCfi }, function(data) {
if (data.cfi) {
_last_position_sync = new Date().getTime()/1000;
}
})
.fail(function(e) {
if (e && e.status == 401) {
window.location = "index.php";
}
});
});
localforage.getItem(cacheId("book")).then(function(item) {
// ios doesn't work with FileReader for whatever reason
if (/*!_is_ios &&*/ item) {
console.log("loading from local storage");
var fileReader = new FileReader();
fileReader.onload = function(evt) {
try {
book.open(this.result);
} catch (e) {
$(".loading_message").html("Unable to load book (local).");
console.log(e);
}
};
fileReader.readAsArrayBuffer(item);
} else {
console.log("loading from network");
if (navigator.onLine) {
var book_url = "backend.php?op=download&id=" + $.urlParam("id");
$(".loading_message").html("Downloading...");
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 {
$(".loading_message").html("Unable to download book: " + resp.status + ".");
}
}).catch(function(err) {
console.warn(err);
if ($(".loading").is(":visible")) {
$(".loading_message").html("Unable to load book (remote).");
}
});
} else {
$(".loading_message").html("This book is not available offline.");
}
}
});
var book = ePub();
window.book = book;
var rendition = book.renderTo("reader", {
width: '100%',
height: '100%',
minSpreadWidth: 961
});
var displayed = rendition.display();
var fontSize;
var fontFamily;
var lineHeight;
var themeName;
Promise.all([
localforage.getItem("epube.fontSize"),
localforage.getItem("epube.fontFamily"),
localforage.getItem("epube.lineHeight"),
localforage.getItem("epube.theme")
]).then(function(res) {
fontSize = res[0] ? res[0] + "px" : DEFAULT_FONT_SIZE + "px";
fontFamily = res[1] ? res[1] : DEFAULT_FONT_FAMILY;
lineHeight = res[2] ? res[2] + "%" : DEFAULT_LINE_HEIGHT + "%";
themeName = res[3] ? res[3] : 'default';
rendition.themes.default({
html: {
'font-size': fontSize,
'font-family': fontFamily,
'line-height': lineHeight,
'text-align': 'justify'
}
});
});
rendition.hooks.content.register(function(contents) {
contents.on("linkClicked", function(href) {
console.log('linkClicked', href);
if (href.indexOf("://") == -1) {
$(".prev_location_btn")
.attr("data-location-cfi", book.rendition.currentLocation().start.cfi)
.show();
window.setTimeout(function() {
show_ui(true);
}, 50);
}
});
var base_url = window.location.href.match(/^.*\//)[0];
var res_names = [ "lib/bootstrap/v3/js/jquery.js", "lib/jquery.mobile.custom.js",
"js/reader.js", "js/dict.js" ];
var doc = contents.document;
for (var i = 0; i < res_names.length; i++) {
// we need to create script element with proper context, that is inside the iframe
var elem = doc.createElement("script");
elem.type = 'text/javascript';
elem.text = _res_data[base_url + res_names[i]];
doc.head.appendChild(elem);
}
$(contents.document.head)
.append($("<style type='text/css'>")
.text(_res_data[base_url + 'css/reader.css']));
/*localforage.getItem("epube.disable-transitions").then(function(notransitions) {
if (!notransitions) {
$(contents.document.head)
.append($("<style type='text/css'>")
.text(_res_data[base_url + 'css/transitions.css']));
// TODO: fix transitions somehow
EPUBJS.Render.Iframe.prototype.setLeft = function(leftPos){
this.docEl.style[this.transform] = 'translate('+ (-leftPos) + 'px, 0)';
}
}
}); */
return localforage.getItem("epube.theme").then(function(theme) {
if (!theme) theme = 'default';
var theme_url = base_url + 'themes/' + theme + '.css';
$(contents.document.head)
.append($("<style type='text/css' id='theme_css'>")
.text(_res_data[theme_url]));
});
});
$('#settings-modal').on('shown.bs.modal', function() {
localforage.getItem(cacheId("lastread")).then((item) => {
if (item && item.cfi) {
$(".lastread_input").val(item.page + '%');
}
$.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)
.on("click", function() {
localforage.setItem("epube.disable-transitions", this.checked);
});
});*/
localforage.getItem("epube.keep-ui-visible").then(function(keep) {
$(".keep_ui_checkbox")
.attr("checked", keep)
.on("click", function() {
localforage.setItem("epube.keep-ui-visible", this.checked);
});
});
localforage.getItem("epube.fontFamily").then(function(font) {
if (!font) font = DEFAULT_FONT_FAMILY;
$(".font_family").val(font);
});
localforage.getItem("epube.theme").then(function(theme) {
$(".theme_name").val(theme);
});
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);
})
$(".dict_search_btn").on("click", function() {
$("#dict-modal").modal('hide');
window.open("https://google.com/search?q=" + $(".dict_query").val());
});
$('#toc-modal').on('shown.bs.modal', function() {
function toc_loc_msg(href) {
try {
var cfiBase = book.spine.get(href).cfiBase;
var loc = book.locations._locations.find(function(k) {
return k.indexOf(cfiBase) != -1
});
return window.book.locations.locationFromCfi(loc);
} catch (e) {
console.warn(e);
}
return "";
}
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 = $("<a>")
.attr('href', '#')
.html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label)
.attr('data-href', row.href)
.click(function() {
book.rendition.display(a.attr('data-href'));
});
sublist.append($("<li>").append(a));
process_toc_sublist(row, sublist, nest + 1);
});
list.append(sublist);
}
}
var toc = book.navigation.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 = $("<a>")
.attr('href', '#')
.html("<b class='pull-right'>" + toc_loc_msg(row.href) + "</b>" + row.label)
.attr('data-href', row.href)
.click(function() {
book.rendition.display(a.attr('data-href'));
});
list.append($("<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.items, function (i, row) {
var a = $("<a>")
.attr('href', '#')
.attr('title', row.url)
.html("Section " + (i+1))
.attr('data-href', row.href)
.click(function() {
book.rendition.display(a.attr('data-href'));
});
list.append($("<li>").append(a));
});
}
});
book.ready.then(function() {
var meta = book.package.metadata;
document.title = meta.title + " – " + meta.creator;
$(".title").html("<b>" + meta.title + "</b> - " + meta.creator);
return localforage.getItem(cacheId("locations")).then(function(locations) {
// legacy format is array of objects {cfi: ..., page: ...}
if (locations && typeof locations[0] == "string") {
_pagination_stored = 1;
return book.locations.load(locations);
} else {
var url = "backend.php?op=getpagination&id=" + encodeURIComponent($.urlParam("id"));
return fetch(url, {credentials:'same-origin'}).then(function(resp) {
if (resp.ok) {
return resp.json().then(function(locations) {
if (locations && typeof locations[0] == "string") {
_pagination_stored = 1;
return book.locations.load(locations);
} else {
return book.locations.generate(1600);
}
});
} else {
return book.locations.generate(1600);
}
}).catch(function() {
return book.locations.generate(1600);
});
}
});
}).then(function(locations) {
if (locations && !_pagination_stored) {
if (navigator.onLine) {
$.post("backend.php", { op: "storepagination", id: $.urlParam("id"),
payload: JSON.stringify(locations), total: 100});
}
localforage.setItem(cacheId("locations"), locations);
}
$(".location").click(function() {
var current = book.rendition.currentLocation().start.location;
var total = book.locations.length();
var page = prompt("Jump to location [1-" + total + "]", current);
if (page) {
book.rendition.display(book.locations._locations[page]);
}
});
open_lastread();
window.setTimeout(function() {
open_lastread();
$(".loading").hide();
}, 250);
});
rendition.on("keyup", hotkey_handler);
rendition.on('resized', function() {
console.log('resized');
$(".loading").show();
$(".loading_message").html("Opening chapter...");
window.setTimeout(function() {
open_lastread();
$(".loading").hide();
}, 250);
});
rendition.on('rendered', function(chapter) {
$(".chapter").html($("<span>").addClass("glyphicon glyphicon-th-list"));
resize_side_columns();
try {
var location = book.rendition.currentLocation();
if (location.start) {
var cur_href = book.canonical(location.start.href);
var toc_entry = false;
function iterate_sublist(row, nest) {
if (nest == 3) return false;
if (row.subitems) {
$.each(row.subitems, function (i, r) {
if (book.spine.get(r.href).canonical == cur_href) {
toc_entry = r;
return true;
}
if (iterate_sublist(r, nest + 1))
return true;
});
}
return false;
}
$.each(book.navigation.toc, function(i, a) {
if (book.spine.get(a.href).canonical == cur_href) {
toc_entry = a;
return;
}
if (iterate_sublist(a, 0)) return;
});
if (toc_entry && toc_entry.label.trim())
$(".chapter").append(" " + toc_entry.label);
}
} catch (e) {
console.warn(e);
}
});
rendition.on('relocated', function(location) {
// locations not generated yet
if (book.locations.length() == 0)
return;
var currentCfi = location.start.cfi;
var currentPage = parseInt(book.locations.percentageFromCfi(currentCfi) * 100);
var pct = book.locations.percentageFromCfi(currentCfi);
$("#cur_page").html(location.start.location);
$("#total_pages").html(book.locations.length());
$("#page_pct").html(parseInt(pct*100) + '%');
if (_store_position && new Date().getTime()/1000 - _last_position_sync > 15) {
console.log("storing lastread", currentPage, currentCfi);
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;
}
})
.fail(function(e) {
if (e && e.status == 401) {
window.location = "index.php";
}
});
_store_position = 0;
} else {
_last_position_sync = 0;
}
localforage.setItem(cacheId("lastread"),
{cfi: currentCfi, page: currentPage, total: 100});
}
});
}
</script>
</body>
</html>
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