allerta-vvf
/
allerta-vvf
mirror of https://github.com/allerta-vvf/allerta-vvf
1
0
Fork 0
Code Issues Releases Wiki Activity

Support for saveData and others device APIs

This commit is contained in:
Matteo Gheza 2020-12-29 00:52:31 +01:00
parent 8790e66a82
commit c963f3dea7
1 changed files with 38 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
server/resources/src/main.js
View File

@ -54,17 +54,35 @@ $( document ).ajaxError(function(event, xhr, settings, error) {
console.log(settings);
});
var installServiceWorker = true;
if (getCookie("authenticated")) {
if ('serviceWorker' in navigator) {
window.addEventListener('load', () => {
navigator.serviceWorker.register('sw.js').then(registration => {
console.log('SW registered: ', registration);
}).catch(registrationError => {
console.log('SW registration failed: ', registrationError);
if ('connection' in navigator && navigator.connection.saveData && !getCookie("forceServiceWorkerInstall")) {
console.log("Skipping ServiceWorker installation because saveData is enabled");
installServiceWorker = false;
}
if ('storage' in navigator && 'estimate' in navigator.storage && !getCookie("forceServiceWorkerInstall")){
navigator.storage.estimate().then(quota => {
const requiredMemory = 3 * 1e+6;
if (quota < requiredMemory) {
console.log("Skipping ServiceWorker installation because memory is low. memory="+quota);
installServiceWorker = false;
}
});
});
}
} else {
installServiceWorker = false;
}
}
if(installServiceWorker){
window.addEventListener('load', () => {
navigator.serviceWorker.register('sw.js').then(registration => {
console.log('SW registered: ', registration);
}).catch(registrationError => {
console.log('SW registration failed: ', registrationError);
});
});
}
function fillTable(data, replaceLatLngWithMap=false){
$("#table_body").empty();
@ -100,6 +118,16 @@ var offline = false;
var loadTable_interval = undefined;
var old_data = "null";
function loadTable(table_page, set_interval=true, interval=10000, onlineReload=false){
if ('getBattery' in navigator) {
navigator.getBattery().then((level, charging) => {
if (!charging && level < 0.2) {
return;
}
})
}
if ('deviceMemory' in navigator && navigator.deviceMemory < 0.2) {
return;
}
let replaceLatLngWithMap = table_page == "services" || table_page == "trainings";
$.getJSON({ url: "resources/ajax/ajax_"+table_page+".php", data: { "old_data": old_data }, success: function( data, status, xhr ) {
old_data = xhr.getResponseHeader('data'); //TODO: refactoring and adding comments
@ -143,6 +171,10 @@ function loadTable(table_page, set_interval=true, interval=10000, onlineReload=f
}
});
if(set_interval){
if ('connection' in navigator && navigator.connection.saveData) {
interval += 5000;
}
console.log("table_load interval "+interval);
window.loadTable_interval = setInterval(function() {
window.loadTable(table_page, false, interval, onlineReload);
}, interval);