b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
11 lines
No EOL
2.2 KiB
JavaScript
11 lines
No EOL
2.2 KiB
JavaScript
;'use strict';(function(exports){function Version(str){str=str||'0.0';var parts=str.split('.');this.major=parts[0];this.minor=parts[1];this.toString=function(){return''+str;};}
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function InfoResult(current,previous){this.current=current;this.previous=previous;}
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InfoResult.prototype.isUpgrade=function(){var prev=this.previous,curr=this.current,isUpgrade=false;if(prev&&curr){isUpgrade=curr.major>prev.major||curr.minor>prev.minor;}
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return isUpgrade;};InfoResult.prototype.delta=function(){var prev=this.previous,curr=this.current;var delta='';if(prev){delta+=prev.major+'.'+prev.minor;}
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delta+='..';if(curr){delta+=curr.major+'.'+curr.minor;}
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return delta;};function getSetting(setting,cb,errback){var req=navigator.mozSettings.createLock().get(setting);req.onsuccess=function(){var value=req.result[setting];if(typeof cb==='function'){cb(value);}};req.onerror=function(){if(typeof errback==='function'){errback(req.error);}};}
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function getCurrent(){return new Promise(function(resolve,reject){getSetting('deviceinfo.os',function(value){resolve(value?new Version(value):null);},function(err){reject(err);});});}
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function getPrevious(){return new Promise(function(resolve,reject){getSetting('deviceinfo.previous_os',function(value){resolve(value?new Version(value):null);},function(err){resolve(null);});});}
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function updatePrevious(str){var currentPromise=str?Promise.resolve(new Version(str)):getCurrent();var setPromise=new Promise(function(resolve,reject){currentPromise.then(function(version){if(version){var req=navigator.mozSettings.createLock().set({'deviceinfo.previous_os':version.toString()});req.onsuccess=function(){resolve(version);};req.onerror=function(){var reason=req.error;reject(reason);};}else{resolve(null);}},function(err){reject('Error getting previous version: ',err);});});return setPromise;}
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function getVersionInfo(){var info=new InfoResult();var infoPromise=new Promise(function(resolve,reject){Promise.all([getCurrent().then(function(version){info.current=version;}),getPrevious().then(function(version){info.previous=version;})]).then(function(){resolve(info);},reject);});return infoPromise;}
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exports.VersionHelper={updatePrevious:updatePrevious,getVersionInfo:getVersionInfo};})(window); |