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