Created
February 8, 2014 09:03
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html5 offline cache debugsnippet
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var cacheStatusValues = []; | |
cacheStatusValues[0] = 'uncached'; | |
cacheStatusValues[1] = 'idle'; | |
cacheStatusValues[2] = 'checking'; | |
cacheStatusValues[3] = 'downloading'; | |
cacheStatusValues[4] = 'updateready'; | |
cacheStatusValues[5] = 'obsolete'; | |
var cache = window.applicationCache; | |
cache.addEventListener('cached', logEvent, false); | |
cache.addEventListener('checking', logEvent, false); | |
cache.addEventListener('downloading', logEvent, false); | |
cache.addEventListener('error', logEvent, false); | |
cache.addEventListener('noupdate', logEvent, false); | |
cache.addEventListener('obsolete', logEvent, false); | |
cache.addEventListener('progress', logEvent, false); | |
cache.addEventListener('updateready', logEvent, false); | |
function logEvent(e) { | |
var online, status, type, message; | |
online = (navigator.onLine) ? 'yes' : 'no'; | |
status = cacheStatusValues[cache.status]; | |
type = e.type; | |
message = 'online: ' + online; | |
message+= ', event: ' + type; | |
message+= ', status: ' + status; | |
if (type == 'error' && navigator.onLine) { | |
message+= ' (prolly a syntax error in manifest)'; | |
} | |
console.log(message); | |
} | |
window.applicationCache.addEventListener( | |
'updateready', | |
function(){ | |
window.applicationCache.swapCache(); | |
console.log('swap cache has been called'); | |
}, | |
false | |
); | |
setInterval(function(){cache.update()}, 10000); |
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