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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>EPUB.js Storage Example</title>
<script src="../node_modules/jszip/dist/jszip.min.js"></script>
<script src="../node_modules/localforage/dist/localforage.min.js"></script>
<script src="../dist/epub.js"></script>
<link rel="stylesheet" type="text/css" href="examples.css">
<style type="text/css">
#offline {
position: fixed;
top: -40px;
left: 0;
background-color: yellow;
width: 100%;
text-align: center;
padding: 10px 0;
transition: top .5s;
z-index: 99;
}
</style>
</head>
<body>
<div id="offline">You are offline. Loading from Storage.</div>
<div id="viewer" class="spreads"></div>
<div id="prev" class="arrow">‹</div>
<div id="next" class="arrow">›</div>
<script>
var book = ePub("https://s3.amazonaws.com/moby-dick/", {
store: "epubjs-test"
});
var rendition = book.renderTo("viewer", {
width: "100%",
height: 600
});
var displayed = rendition.display();
displayed.then(function(renderer){
// Add all resources to the store
// Add `true` to force re-saving resources
book.storage.add(book.resources, true).then(() => {
console.log("stored");
})
});
var next = document.getElementById("next");
next.addEventListener("click", function(){
rendition.next();
}, false);
var prev = document.getElementById("prev");
prev.addEventListener("click", function(){
rendition.prev();
}, false);
var keyListener = function(e){
// Left Key
if ((e.keyCode || e.which) == 37) {
rendition.prev();
}
// Right Key
if ((e.keyCode || e.which) == 39) {
rendition.next();
}
};
rendition.on("keyup", keyListener);
document.addEventListener("keyup", keyListener, false);
var msg = document.getElementById('offline');
book.storage.on("online", function () {
console.log("online");
msg.style.top = "-40px";
});
book.storage.on("offline", function () {
console.log("offline");
msg.style.top = "0px";
});
</script>
</body>
</html>
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