b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
26 lines
No EOL
5.7 KiB
JavaScript
26 lines
No EOL
5.7 KiB
JavaScript
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function tzSelect(regionSelector,citySelector,onchange,onload){const TIMEZONE_FILE='/shared/resources/tz.json';const APN_TZ_FILE='/shared/resources/apn_tz.json';const TIMEZONE_NONE='NONE';const TIMEZONE_NETWORK='NETWORK';const TIMEZONE_SIM='SIM';const TIMEZONE_USER='USER';const TIMEZONE_PREVIOUS_SETTING='PREVIOUS_SETTING';function loadJSON(href,callback){var xhr=new XMLHttpRequest();xhr.open('GET',href,true);xhr.responseType='json';xhr.onerror=callback;xhr.onload=function(){callback(xhr.response);};xhr.onerror=function(){console.error('Error getting file');callback(xhr.response);};xhr.send();}
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function getDefaultTimezoneID(callback){if(!callback){return;}
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var tzDefault='America/New_York';var source=TIMEZONE_NONE;var mcc,mnc;var connections=window.navigator.mozMobileConnections||[];for(var i=0;i<connections.length;++i){var conn=connections[i];if(conn&&conn.voice&&conn.voice.network&&conn.voice.connected){mcc=conn.voice.network.mcc;mnc=conn.voice.network.mnc;source=TIMEZONE_NETWORK;break;}}
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if(!mcc&&IccHelper&&IccHelper.iccInfo){mcc=IccHelper.iccInfo.mcc;mnc=IccHelper.iccInfo.mnc;source=TIMEZONE_SIM;if(IccHelper.cardState!=='ready'){IccHelper.addEventListener('iccinfochange',function simReady(){if(IccHelper.iccInfo.mcc){IccHelper.removeEventListener('iccinfochange',simReady);}
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getDefaultTimezoneID(callback);});}}
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if(!mcc){callback(tzDefault,TIMEZONE_NONE);return;}
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loadJSON(APN_TZ_FILE,function(response){if(response){var tz=response[mcc];if(typeof(tz)==='string'){callback(tz,source);return;}else if(tz&&(mnc in tz)){callback(tz[mnc],source);return;}}
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callback(tzDefault,TIMEZONE_NONE);});}
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function newTZSelector(onchangeTZ,currentID,source){var gRegion=currentID.replace(/\/.*/,'');var gCity=currentID.replace(/.*?\//,'');var gTZ=null;function fillSelectElement(selector,options){selector.innerHTML='';options.sort(function(a,b){return(a.text>b.text);});for(var i=0;i<options.length;i++){var option=document.createElement('option');option.textContent=options[i].text;option.selected=options[i].selected;option.value=options[i].value;selector.appendChild(option);}}
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function fillSelectL10nElement(selector,options){selector.innerHTML='';const collator=Intl.Collator(navigator.languages,{usage:'sort',});const frag=document.createDocumentFragment();const items=options.map(option=>{const item=document.createElement('option');item.setAttribute('data-l10n-id',option.l10nId);item.selected=option.selected;item.value=option.value;frag.appendChild(item);return item;});return document.l10n.translateFragment(frag).then(()=>{items.sort((a,b)=>collator.compare(a.textContent,b.textContent));items.forEach(item=>frag.appendChild(item));selector.appendChild(frag);});}
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function getSelectedText(selector){var options=selector.querySelectorAll('option');return options[selector.selectedIndex].textContent;}
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function fillRegions(){var options=[];for(var c in gTZ){options.push({l10nId:'tzRegion-'+c,value:c,selected:(c===gRegion)});}
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fillSelectL10nElement(regionSelector,options).then(fillCities);}
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function fillCities(){gRegion=regionSelector.value;var list=gTZ[gRegion];var options=[];for(var i=0;i<list.length;i++){options.push({text:list[i].name||list[i].city.replace(/_/g,' '),value:i,selected:(list[i].city===gCity)});}
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fillSelectElement(citySelector,options);setTimezone();}
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function setTimezone(){if(source===TIMEZONE_PREVIOUS_SETTING){onload&&onload(getTZInfo(),true);return;}
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onchangeTZ(getTZInfo(),{'changedByUser':source===TIMEZONE_USER,'needsConfirmation':source!==TIMEZONE_USER&&source!==TIMEZONE_NETWORK});}
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function getTZInfo(){var res=gTZ[gRegion][citySelector.value];gCity=res.city;var offset=res.offset.split(',');return{id:res.id||gRegion+'/'+res.city,region:getSelectedText(regionSelector),city:getSelectedText(citySelector),cc:res.cc,utcOffset:offset[0],dstOffset:offset[1]};}
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regionSelector.onchange=function(){source=TIMEZONE_USER;fillCities();};citySelector.onchange=function(){source=TIMEZONE_USER;setTimezone();};loadJSON(TIMEZONE_FILE,function loadTZ(response){gTZ=response;fillRegions();});}
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function newTZObserver(){var settings=window.navigator.mozSettings;if(!settings){return;}
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settings.addObserver('time.timezone',function(event){setTimezoneDescription(event.settingValue);});var systemTimeChanged=function(){onchange(systemTimeChanged.tz,systemTimeChanged.needsConfirmation);};function updateTZ(tz,options){systemTimeChanged.tz=tz;systemTimeChanged.needsConfirmation=options.needsConfirmation;var req=settings.createLock().set({'time.timezone':tz.id});req.onsuccess=function updateTZ_callback(){if(options.changedByUser){settings.createLock().set({'time.timezone.user-selected':tz.id});}else{onload&&onload(tz,options.needsConfirmation);}};}
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function initSelector(initialValue,source){onchange&&window.addEventListener('moztimechange',systemTimeChanged);onchange&&window.addEventListener('unload',function(){window.removeEventListener('moztimechange',systemTimeChanged);});newTZSelector(updateTZ,initialValue,source);}
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var reqTimezone=settings.createLock().get('time.timezone');reqTimezone.onsuccess=function dt_getStatusSuccess(){var reqUserTZ=settings.createLock().get('time.timezone.user-selected');reqUserTZ.onsuccess=function dt_getUserTimezoneSuccess(){var userSelTimezone=reqUserTZ.result['time.timezone.user-selected'];if(userSelTimezone){initSelector(userSelTimezone,TIMEZONE_PREVIOUS_SETTING);}else{getDefaultTimezoneID(initSelector);}};};function setTimezoneDescription(timezoneID){var oldSelectedIndex=regionSelector.selectedIndex;regionSelector.value=timezoneID.replace(/\/.*/,'');if(regionSelector.selectedIndex==-1){regionSelector.selectedIndex=oldSelectedIndex;}
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oldSelectedIndex=citySelector.selectedIndex;citySelector.value=timezoneID.replace(/.*?\//,'');if(citySelector.selectedIndex==-1){citySelector.selectedIndex=oldSelectedIndex;}}}
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newTZObserver();} |