libkiwix/static/viewer.html

80 lines
2.7 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>ZIM Viewer</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link type="text/css" href="./skin/taskbar.css?KIWIXCACHEID" rel="Stylesheet" />
<link type="text/css" href="./skin/css/autoComplete.css?KIWIXCACHEID" rel="Stylesheet" />
<script type="text/javascript" src="./skin/taskbar.js?KIWIXCACHEID" defer></script>
<script type="text/javascript" src="./skin/autoComplete.min.js?KIWIXCACHEID"></script>
</head>
<body style="margin:0" onload="handle_visual_viewport_change()">
<div id=taskbar style="background:#bbffbb">Taskbar</div>
<iframe id="content_iframe"
referrerpolicy="same-origin"
onload="handle_content_url_change()"
src="skin/blank.html" title="ZIM content" width="100%"
style="border:0px">
</iframe>
<script>
// Terminology
//
// user url: identifier of the page that has to be displayed in the viewer
// and that is used as the hash component of the viewer URL. For
// book resources the address url is {book}/{resource} .
//
// iframe url: the URL to be loaded in the viewer iframe.
function userUrl2IframeUrl(url) {
if ( url == '' ) {
return '/skin/blank.html';
}
return `/content/${url}`;
}
function iframeUrl2UserUrl(url) {
if ( url == '/skin/blank.html' ) {
return '';
}
return url.split('/').slice(2).join('/');
}
const cf = document.getElementById('content_iframe');
function handle_visual_viewport_change() {
cf.height = window.visualViewport.height - cf.offsetTop - 4;
}
window.onresize = handle_visual_viewport_change;
function handle_location_hash_change() {
const hash = window.location.hash;
const iframeContentUrl = userUrl2IframeUrl(hash.slice(1));
console.log("handle_location_hash_change: " + hash);
if ( iframeContentUrl != cf.contentWindow.location.pathname ) {
cf.contentWindow.location.replace(iframeContentUrl);
}
}
window.onhashchange = handle_location_hash_change;
handle_location_hash_change();
function handle_content_url_change() {
document.title = cf.contentDocument.title;
const iframeContentUrl = cf.contentWindow.location.pathname;
console.log('handle_content_url_change: ' + iframeContentUrl);
const newHash = '#' + iframeUrl2UserUrl(iframeContentUrl);
const viewerURL = location.origin + location.pathname + location.search;
window.location.replace(viewerURL + newHash);
};
</script>
</body>
</html>