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//importScripts('lib/localforage.min.js');
const CACHE_NAME = 'epube-v1';
const CACHE_URLS = [
'read.html',
'js/common.js',
'js/read.js',
'js/offline.js',
'js/swipes.js',
'js/dict.js',
'css/read.css',
'css/reader.css',
'css/index.css',
'css/transitions.css',
'offline.html',
'themes/default.css',
'themes/mocca.css',
'themes/night.css',
'themes/plan9.css',
'lib/promise.js',
'lib/fetch.js',
'lib/zip.min.js',
'lib/epub.js',
'lib/localforage.min.js',
'lib/holder.min.js',
'lib/smartimages.js',
'lib/bootstrap/v3/css/bootstrap-theme.min.css',
'lib/bootstrap/v3/css/bootstrap.min.css',
'lib/bootstrap/v3/js/jquery.js',
'lib/bootstrap/v3/js/bootstrap.min.js',
'lib/bootstrap/v3/fonts/glyphicons-halflings-regular.woff2',
'lib/qtip2/jquery.qtip.min.css',
'lib/qtip2/jquery.qtip.min.js',
'lib/jquery.touchSwipe.min.js',
];
self.addEventListener('install', function(event) {
event.waitUntil(
caches.open(CACHE_NAME).then(function(cache) {
return cache.addAll(CACHE_URLS.map(url => new Request(url, {credentials: 'same-origin'})));
})
);
});
function send_message(client, msg) {
client.postMessage(msg);
}
function send_broadcast(msg) {
clients.matchAll().then(clients => {
clients.forEach(client => {
send_message(client, msg);
})
})
}
self.addEventListener('message', function(event){
if (event.data == 'refresh-cache') {
console.log("refreshing cache...");
caches.open(CACHE_NAME).then(function(cache) {
var promises = [];
for (var i = 0; i < CACHE_URLS.length; i++) {
if (CACHE_URLS[i].match("backend.php"))
continue;
//console.log(CACHE_URLS[i]);
var promise = fetch(CACHE_URLS[i]).then(function(resp) {
//console.log(resp);
if (resp.status == 200) {
cache.put(resp.url, resp);
} else if (resp.status == 404) {
cache.delete(resp.url);
}
});
promises.push(promise);
}
Promise.all(promises).then(function() {
console.log('all done');
send_broadcast('client-reload');
});
});
}
});
this.addEventListener('fetch', function(event) {
var req = event.request.clone();
event.respondWith(
caches.match(req).then(function(resp) {
if (resp) {
return resp;
}
if (req.url.match("read.html")) {
return caches.match("read.html");
}
if (req.url.match("offline.html")) {
return caches.match("offline.html");
}
return fetch(req).then(function(resp) {
if (resp.status == 200) {
if (resp.url.match("backend.php\\?op=(cover|getinfo)")) {
return caches.open(CACHE_NAME).then(function(cache) {
cache.put(resp.url, resp.clone());
return resp;
});
}
}
return resp;
}).catch(function() {
if (req.url[req.url.length-1] == "/" || req.url.match("index.php")) {
return caches.match("offline.html");
}
});
})
);
});
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