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fix - log error if BackupService fails to store piskel in localstorage

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This commit is contained in:
jdescottes 2015-02-05 01:59:37 +01:00
parent c7131678f8
commit d7fef0f88b
1 changed files with 19 additions and 5 deletions
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24
src/js/service/BackupService.js
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@ -1,5 +1,7 @@
(function () {
var ns = $.namespace('pskl.service');
// 1 minute = 1000 * 60
var BACKUP_INTERVAL = 1000 * 60;
ns.BackupService = function (piskelController) {
@ -11,9 +13,9 @@
var previousPiskel = window.localStorage.getItem('bkp.next.piskel');
var previousInfo = window.localStorage.getItem('bkp.next.info');
if (previousPiskel && previousInfo) {
window.localStorage.setItem('bkp.prev.piskel', previousPiskel);
window.localStorage.setItem('bkp.prev.info', previousInfo);
this.savePiskel_('prev', previousPiskel, previousInfo);
}
window.setInterval(this.backup.bind(this), BACKUP_INTERVAL);
};
@ -32,8 +34,7 @@
// Do not save an unchanged piskel
if (hash !== this.lastHash) {
this.lastHash = hash;
window.localStorage.setItem('bkp.next.piskel', this.piskelController.serialize());
window.localStorage.setItem('bkp.next.info', JSON.stringify(info));
this.savePiskel_('next', this.piskelController.serialize(), JSON.stringify(info));
}
};
@ -44,11 +45,11 @@
}
};
ns.BackupService.prototype.load = function() {
var previousPiskel = window.localStorage.getItem('bkp.prev.piskel');
var previousInfo = window.localStorage.getItem('bkp.prev.info');
previousPiskel = JSON.parse(previousPiskel);
previousInfo = JSON.parse(previousInfo);
@ -58,4 +59,17 @@
pskl.app.animationController.setFPS(previousInfo.fps);
});
};
ns.BackupService.prototype.savePiskel_ = function (type, piskel, info) {
try {
window.localStorage.setItem('bkp.' + type +'.piskel', piskel);
window.localStorage.setItem('bkp.' + type +'.info', info);
} catch (e) {
console.error('Could not save piskel backup in localStorage.', e);
}
};
})();