'use strict';
const MANIFEST = 'flutter-app-manifest';
const TEMP = 'flutter-temp-cache';
const CACHE_NAME = 'flutter-app-cache';

const RESOURCES = {"assets/AssetManifest.bin": "cf0ac2e5ed3917b5ed3dfa663bec5013",
"assets/AssetManifest.bin.json": "d9e08bd237d207d64361ee095f64bee8",
"assets/assets/nhac_nen.mp3": "e3a8d0b47c67a81125f85f3020f5ebdc",
"assets/assets/sound_xucsac.mp3": "fd48820fa799cbb9f3b042f6fc28f98c",
"assets/FontManifest.json": "dc3d03800ccca4601324923c0b1d6d57",
"assets/fonts/MaterialIcons-Regular.otf": "68a530911d2b799aa3926a9815a376b6",
"assets/lib/assets/background.jpg": "417d08abc42ae6a88bfadc0a9c7adf2f",
"assets/lib/assets/background2.jpg": "45ef76b5b923c3c7f64b3cd8a3e2212d",
"assets/lib/assets/bat.png": "325007a83ea3c3b7e9b370f615c7e4d6",
"assets/lib/assets/bau.png": "1652dbfdfd5ae235b12a53634db237ba",
"assets/lib/assets/ca.png": "7e2d57240e1933090dfcb3b1a3868640",
"assets/lib/assets/cua.png": "c12bd1e2ad19c9b905cc709b1add968d",
"assets/lib/assets/dia.png": "f3b0e986250624fd2d3f7f749ac87dfe",
"assets/lib/assets/ga.png": "7a7a3c65b7287a1f2bfe4a0542c8e989",
"assets/lib/assets/Gemini_Generated_Image_je8r0gje8r0gje8r.png": "b76275051b5739511df554ded8b245f2",
"assets/lib/assets/hinh_cho.png": "133314441009974b01eeccc6473b38b6",
"assets/lib/assets/nai.png": "64089dc5a9862bef7f986f2a37e0530e",
"assets/lib/assets/tom.png": "5b7d9327bed2e9b35756a80782301d65",
"assets/lib/assets/xs-bau.png": "a5b49bf8aefe965aab0cc23748fa16eb",
"assets/lib/assets/xs-ca.png": "3cc304ec0082a142edb11442bbba9098",
"assets/lib/assets/xs-cua.png": "da949ee9f090aebe91aeba5e13aa297b",
"assets/lib/assets/xs-ga.png": "760cf6bc35752bd10a75f05d7ed06d06",
"assets/lib/assets/xs-nai.png": "261793e8a61fa51286688f76af1096ae",
"assets/lib/assets/xs-tom.png": "3ac58d49fb1f81af0e4a80399b61ab53",
"assets/NOTICES": "395dea78b9d9be1ab4f387cce7ff90bd",
"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "33b7d9392238c04c131b6ce224e13711",
"assets/shaders/ink_sparkle.frag": "ecc85a2e95f5e9f53123dcaf8cb9b6ce",
"assets/shaders/stretch_effect.frag": "40d68efbbf360632f614c731219e95f0",
"canvaskit/canvaskit.js": "8331fe38e66b3a898c4f37648aaf7ee2",
"canvaskit/canvaskit.js.symbols": "a3c9f77715b642d0437d9c275caba91e",
"canvaskit/canvaskit.wasm": "9b6a7830bf26959b200594729d73538e",
"canvaskit/chromium/canvaskit.js": "a80c765aaa8af8645c9fb1aae53f9abf",
"canvaskit/chromium/canvaskit.js.symbols": "e2d09f0e434bc118bf67dae526737d07",
"canvaskit/chromium/canvaskit.wasm": "a726e3f75a84fcdf495a15817c63a35d",
"canvaskit/skwasm.js": "8060d46e9a4901ca9991edd3a26be4f0",
"canvaskit/skwasm.js.symbols": "3a4aadf4e8141f284bd524976b1d6bdc",
"canvaskit/skwasm.wasm": "7e5f3afdd3b0747a1fd4517cea239898",
"canvaskit/skwasm_heavy.js": "740d43a6b8240ef9e23eed8c48840da4",
"canvaskit/skwasm_heavy.js.symbols": "0755b4fb399918388d71b59ad390b055",
"canvaskit/skwasm_heavy.wasm": "b0be7910760d205ea4e011458df6ee01",
"favicon.png": "5dcef449791fa27946b3d35ad8803796",
"flutter.js": "24bc71911b75b5f8135c949e27a2984e",
"flutter_bootstrap.js": "8fb95480910944e4b08b60413023f65d",
"icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1",
"icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1",
"icons/Icon-maskable-192.png": "c457ef57daa1d16f64b27b786ec2ea3c",
"icons/Icon-maskable-512.png": "301a7604d45b3e739efc881eb04896ea",
"index.html": "c0c54f039b44755c5b4cf8d8c6a163a0",
"/": "c0c54f039b44755c5b4cf8d8c6a163a0",
"main.dart.js": "892f94bee5c6dfa3de7835137b154d8b",
"manifest.json": "d0410e8c645fd77508e13f0439766627",
"version.json": "5ea69038f30a3ffa655163c95e671256"};
// The application shell files that are downloaded before a service worker can
// start.
const CORE = ["main.dart.js",
"index.html",
"flutter_bootstrap.js",
"assets/AssetManifest.bin.json",
"assets/FontManifest.json"];

// During install, the TEMP cache is populated with the application shell files.
self.addEventListener("install", (event) => {
  self.skipWaiting();
  return event.waitUntil(
    caches.open(TEMP).then((cache) => {
      return cache.addAll(
        CORE.map((value) => new Request(value, {'cache': 'reload'})));
    })
  );
});
// During activate, the cache is populated with the temp files downloaded in
// install. If this service worker is upgrading from one with a saved
// MANIFEST, then use this to retain unchanged resource files.
self.addEventListener("activate", function(event) {
  return event.waitUntil(async function() {
    try {
      var contentCache = await caches.open(CACHE_NAME);
      var tempCache = await caches.open(TEMP);
      var manifestCache = await caches.open(MANIFEST);
      var manifest = await manifestCache.match('manifest');
      // When there is no prior manifest, clear the entire cache.
      if (!manifest) {
        await caches.delete(CACHE_NAME);
        contentCache = await caches.open(CACHE_NAME);
        for (var request of await tempCache.keys()) {
          var response = await tempCache.match(request);
          await contentCache.put(request, response);
        }
        await caches.delete(TEMP);
        // Save the manifest to make future upgrades efficient.
        await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
        // Claim client to enable caching on first launch
        self.clients.claim();
        return;
      }
      var oldManifest = await manifest.json();
      var origin = self.location.origin;
      for (var request of await contentCache.keys()) {
        var key = request.url.substring(origin.length + 1);
        if (key == "") {
          key = "/";
        }
        // If a resource from the old manifest is not in the new cache, or if
        // the MD5 sum has changed, delete it. Otherwise the resource is left
        // in the cache and can be reused by the new service worker.
        if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) {
          await contentCache.delete(request);
        }
      }
      // Populate the cache with the app shell TEMP files, potentially overwriting
      // cache files preserved above.
      for (var request of await tempCache.keys()) {
        var response = await tempCache.match(request);
        await contentCache.put(request, response);
      }
      await caches.delete(TEMP);
      // Save the manifest to make future upgrades efficient.
      await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
      // Claim client to enable caching on first launch
      self.clients.claim();
      return;
    } catch (err) {
      // On an unhandled exception the state of the cache cannot be guaranteed.
      console.error('Failed to upgrade service worker: ' + err);
      await caches.delete(CACHE_NAME);
      await caches.delete(TEMP);
      await caches.delete(MANIFEST);
    }
  }());
});
// The fetch handler redirects requests for RESOURCE files to the service
// worker cache.
self.addEventListener("fetch", (event) => {
  if (event.request.method !== 'GET') {
    return;
  }
  var origin = self.location.origin;
  var key = event.request.url.substring(origin.length + 1);
  // Redirect URLs to the index.html
  if (key.indexOf('?v=') != -1) {
    key = key.split('?v=')[0];
  }
  if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') {
    key = '/';
  }
  // If the URL is not the RESOURCE list then return to signal that the
  // browser should take over.
  if (!RESOURCES[key]) {
    return;
  }
  // If the URL is the index.html, perform an online-first request.
  if (key == '/') {
    return onlineFirst(event);
  }
  event.respondWith(caches.open(CACHE_NAME)
    .then((cache) =>  {
      return cache.match(event.request).then((response) => {
        // Either respond with the cached resource, or perform a fetch and
        // lazily populate the cache only if the resource was successfully fetched.
        return response || fetch(event.request).then((response) => {
          if (response && Boolean(response.ok)) {
            cache.put(event.request, response.clone());
          }
          return response;
        });
      })
    })
  );
});
self.addEventListener('message', (event) => {
  // SkipWaiting can be used to immediately activate a waiting service worker.
  // This will also require a page refresh triggered by the main worker.
  if (event.data === 'skipWaiting') {
    self.skipWaiting();
    return;
  }
  if (event.data === 'downloadOffline') {
    downloadOffline();
    return;
  }
});
// Download offline will check the RESOURCES for all files not in the cache
// and populate them.
async function downloadOffline() {
  var resources = [];
  var contentCache = await caches.open(CACHE_NAME);
  var currentContent = {};
  for (var request of await contentCache.keys()) {
    var key = request.url.substring(origin.length + 1);
    if (key == "") {
      key = "/";
    }
    currentContent[key] = true;
  }
  for (var resourceKey of Object.keys(RESOURCES)) {
    if (!currentContent[resourceKey]) {
      resources.push(resourceKey);
    }
  }
  return contentCache.addAll(resources);
}
// Attempt to download the resource online before falling back to
// the offline cache.
function onlineFirst(event) {
  return event.respondWith(
    fetch(event.request).then((response) => {
      return caches.open(CACHE_NAME).then((cache) => {
        cache.put(event.request, response.clone());
        return response;
      });
    }).catch((error) => {
      return caches.open(CACHE_NAME).then((cache) => {
        return cache.match(event.request).then((response) => {
          if (response != null) {
            return response;
          }
          throw error;
        });
      });
    })
  );
}
