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index.html
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index.html
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<html>
<head>
<link rel="stylesheet" type="text/css" media="screen" href="book.css" />
<link rel="stylesheet" type="text/css" media="screen and (max-device-width: 1024px) and (orientation:portrait)" href="portrait.css" />
<link rel="stylesheet" type="text/css" media="screen and (max-device-width: 1024px) and (orientation: landscape)" href="landscape.css" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="viewport" content="width=930, user-scalable=no" />
<script type="text/javascript" src="js/inflate.js"></script>
<script type="text/javascript" src="js/sax.js"></script>
<script type="text/javascript" src="js/zip.js"></script>
<script type="text/javascript" src="js/epub.js"></script>
<script type="text/javascript" src="js/base64.js"></script>
<script type="text/javascript" src="js/imageSize.js"></script>
<script type="text/javascript" src="js/paginator.js"></script>
<script type="text/javascript" src="js/section.js"></script>
<script type="text/javascript" src="js/pageHandler.js"></script>
<!-- Hyphenation. -->
<script src="js/Hyphenator.js" type="text/javascript"></script>
<script src="js/patterns/en.js" type="text/javascript"></script>
<script src="js/swipe.js"></script>
<script src="js/pageRenderer.js"></script>
<script type="text/javascript">
function loadTheBook () {
var epuburl = document.getElementById('epuburl').value;
loadBook(epuburl);
}
function setPageSize(pageRatio) {
if (!pageRatio) pageRatio = Math.sqrt(Math.E);
var width = (window.innerWidth - 20) / 2;
var height = window.innerHeight - 20;
var pageHeight = height,
pageWidth = width;
if (height / pageRatio > width) {
// We'll need to constrain the height.
pageHeight = width * pageRatio;
/* } else if (height / pageRatio > width * 1.5) {
// We have way more height than width. Go to a one-page view.
pageHeight = width * pageRatio; */
} else {
// Constrain the width, 2-page.
pageWidth = height / pageRatio;
}
console.log("Width/Height: " + width + "/" + height + ", pageWidth/pageHeight: " + pageWidth + "/" + pageHeight);
var container = document.getElementById('container');
container.style.width = pageWidth * 2;
container.style.height = pageHeight;
var background = document.getElementById('backgroundDiv');
background.style.width = pageWidth * 2;
background.style.height = pageHeight;
var canvas = document.getElementById('background');
canvas.width = pageWidth * 2;
canvas.height = pageHeight;
var pages = document.getElementsByClassName('page');
for (var i = 0, l = pages.length; i < l; i++) {
pages[i].style.width = pageWidth - Math.log(22) * 8;
pages[i].style.height = pageHeight - Math.log(22) * 10;
pages[i].style.marginTop = '0px';
var header = document.getElementsByClassName('header')[0];
var headerHeight = 24 * 2; // hard coded for now, until we properly size the header...
var contents = document.getElementsByClassName('content');
contents[0].style.height = pageHeight - (Math.log(22) * 10) - headerHeight;
}
// This needs tweaking, because it should actually be done once we know
// which font will be used as the body font for the book. This is a reasonable
// approximation, though, and will do for now.
var sizerElement = document.createElement('p');
// Rough statistical relevancy of letters [in english]. This will give us a more-accurate approximation of average line length.
var letters = "aaaaaaaabbcccddddeeeeeeeeeeeeeffgghhhhhhiiiiiiijkllllmmnnnnnnnooooooooppqrrrrrrsssssstttttttttuuuvwxyyz";
sizerElement.textContent = letters;
sizerElement.style.left = '0';
sizerElement.style.top = '0';
sizerElement.style.position = 'absolute';
sizerElement.style.margin = '0';
sizerElement.style.padding = '0';
document.body.appendChild(sizerElement);
// Our ideal line width is 66 characters.
console.log('offsetwidth: ' + sizerElement.offsetWidth);
console.log('letters.length: ' + letters.length);
var idealLineWidth = (sizerElement.offsetWidth / letters.length) * 66;
var measuredFontSize = document.defaultView.getComputedStyle(sizerElement, null).getPropertyValue('font-size').toString().replace('px', '');
console.log('measured font size: ' + measuredFontSize);
// now that we have that, remove the sizer element.
document.body.removeChild(sizerElement);
var pageSize = pageWidth - Math.log(22) * 8
console.log('content width: ' + pageSize);
// multiply the actual fontSize by our sizing ratio
var pixelFontSize = (measuredFontSize * pageSize / idealLineWidth) + 'px';
console.log('pixelFontSize: ' + pixelFontSize);
// and apply that to the document body. All other sizes should be in ems.
document.body.style.fontSize = pixelFontSize;
}
var loadBook = function (epub) {
setPageSize();
selector.style.display = 'none';
container.style.display = 'block';
var epubUrl;
if (epub.substr(0, 4) == 'http') {
epubUrl = epub;
} else {
epubUrl = "epubs/" + epub;
}
ePub.open(epubUrl, function (book) {
var te = document.getElementById('book_title');
te.textContent = book.title;
var ae = document.getElementById('author_heading');
ae.textContent = book.author;
var lc = document.getElementById('leftcontent'),
rc = document.getElementById('rightcontent'),
ln = document.getElementsByClassName('left pagenum')[0],
rn = document.getElementsByClassName('right pagenum')[0];
var pages;
if (window.orientation == 0 || window.orientation == 180) {
pages = [lc];
} else {
pages = [lc, rc];
}
pageHandler = new PageHandler(book, pages, [ln, rn]);
var contents = document.getElementById('contents');
for (var i = 0, l = book.toc.length; i < l; i++) {
// Sometimes navpoints aren't all covered, or they are done so in weird ways.
// try to be liberal about things.
if (book.toc[i] === undefined) continue;
var chapter = document.createElement('a');
var secName = book.toc[i].fileName;
chapter.setAttribute('href', '#section=' + secName);
chapter.textContent = book.toc[i].title;
chapter.onclick = function (secName) {
return function () {
pageHandler.goToSection(secName);
pageHandler.display();
contents.style.display = 'none';
}
}(secName);
contents.appendChild(chapter);
}
pageHandler.display();
swipe(null, pageHandler);
function handleArrowKeys(evt) {
evt = (evt) ? evt : ((window.event) ? event : null);
if (evt) {
switch (evt.keyCode) {
case 37:
pageHandler.prevPage();
break;
case 39:
pageHandler.nextPage();
break;
case 67:
document.getElementById('contents').style.display = 'block';
break;
}
}
}
document.onkeyup = handleArrowKeys;
// Set up an orientation handler
window.onorientationchange = function () {
if (window.orientation == 0 || window.orientation == 180) {
pageHandler.setPages([lc]);
} else {
pageHandler.setPages([lc,rc]);
}
pageHandler.display();
}
});
}
</script>
</head>
<body>
<div id="spinner">
<img src="loader.gif" alt="Loading" />
</div>
<div id="contents" style="display: none;">
</div>
<div id="selector">
<div style="text-align: center; font-family: Helvetica, sans; margin-top: 20px; background-color: rgba(255,255,255,0.3); line-height: 1.5em;">
<span style="color: #0000dd">r</span><span style="color: #4444ee">ePub</span><span style="color: #0000dd">lish</span> — Pure-JavaScript ePub Reader
</div>
<div id="selectorContainer">
<div class="selection" onclick="loadBook('piedpiper.epub');">
<img src="covers/Pied_piper.jpg" alt="The Pied Piper of Hamelin"/>
<br/>The Pied Piper of Hamelin</div>
<div class="selection" onclick="loadBook('warofworlds.epub');">
<img src="covers/WarOfWorlds.jpg" alt="The War of the Worlds" />
<br/>The War of the Worlds</div>
<div class="selection" onclick="loadBook('flatland.epub');">
<img src="covers/Flatland.jpg" alt="Flatland"/>
<br/>Flatland</div>
<div class="selection" onclick="loadBook('gulliverstravels.epub');">
<img src="covers/Gulliver.jpg" alt="Gulliver's Travels"/>
<br/>Gulliver's Travels</div>
<div class="selection" onclick="loadBook('portraitoftheartist.epub');">
<img src="covers/Joyce.jpg" alt="Portrait of the Artist as a Young Man"/>
<br/>Portrait of the Artist<br/> as a Young Man</div>
<div class="selection" onclick="loadBook('wizardofoz.epub');">
<img src="covers/WizardOfOz.jpg" alt="The Wonderful Wizard of Oz"/>
<br/>The Wonderful Wizard of Oz</div>
<div class="selection" onclick="loadBook('shelleypoetry.epub');">
<img src="covers/Shelley.jpg" alt="Shelley's Poetry"/>
<br/>Shelley's Poetry</div>
<div class="selection" onclick="loadBook('fanniefarmer.epub');">
<img src="covers/Fannie.jpg" alt="The Fannie Farmer Cookbook" />
<br/>The Fannie Farmer Cookbook</div>
<div class="selection" onclick="loadBook('warandpeace.epub');">
<img src="covers/warandpeace.jpg" alt="War and Peace" />
<br/>War and Peace</div>
<div class="selection" onclick="loadBook('dracula.epub');">
<img src="covers/Dracula.jpg" alt="Dracula" />
<br/>Dracula</div>
<div class="selection" onclick="loadBook('faunaboreali.epub');">
<img src="covers/Fauna.jpg" alt="Fauna Boreali" />
<br/>Fauna Boreali</div>
<div class="selection" onclick="loadBook('huckleberry.epub');">
<img src="covers/Huck.jpg" alt="Huckleberry Finn" />
<br/>The Adventures of Huckleberry Finn</div>
</div>
<div style="text-align: center; font-family: Helvetica, sans; margin-top: -5px; background-color: rgba(255,255,255,0.3); line-height: 1.5em;">
<a href="http://github.com/blaine/rePublish">Get the Code</a>
</div>
</div>
<div id="backgroundDiv">
<canvas id="background" width="952" height="686"></canvas>
</div>
<div id="container">
<div id="leftpage" class="page">
<div class="left header">
<span class="left pagenum"></span> ·
<h1 id="book_title"></h1>
</div>
<div id="leftcontent" class="left content"></div>
<div class="left footer">
<span class="left pagenum"></span> ·
<h1 id="chapter_heading"></h1>
</div>
</div>
<div id="rightpage" class="page landscape">
<div class="right header">
<h1 id="author_heading"></h1> ·
<span class="right pagenum"></span>
</div>
<div id="rightcontent" class="right content"></div>
<div class="right footer">
<h1></h1>·
<span class="right pagenum"></span>
</div>
</div>
</div>
<!-- <div>
<input id='epuburl' type="text" />
<input id='epuburlgo' type='button' value='load' onclick='loadTheBook();' />
</div> -->
</body>
</html>