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Add 'pagehide' to ask confirmation on ipads

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This commit is contained in:
pietervdvn 2021-07-03 14:48:07 +02:00
parent d686a756fb
commit b6d9a3127c
1 changed files with 24 additions and 22 deletions
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22
Logic/Actors/PendingChangesUploader.ts
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@ -2,9 +2,9 @@ import {Changes} from "../Osm/Changes";
import Constants from "../../Models/Constants";
import {UIEventSource} from "../UIEventSource";
export default class PendingChangesUploader{
export default class PendingChangesUploader {
private lastChange : Date;
private lastChange: Date;
constructor(changes: Changes, selectedFeature: UIEventSource<any>) {
const self = this;
@ -14,7 +14,7 @@ export default class PendingChangesUploader{
window.setTimeout(() => {
const diff = (new Date().getTime() - self.lastChange.getTime()) / 1000;
if(Constants.updateTimeoutSec >= diff - 1){
if (Constants.updateTimeoutSec >= diff - 1) {
changes.flushChanges("Flushing changes due to timeout");
}
}, Constants.updateTimeoutSec * 1000);
@ -24,7 +24,7 @@ export default class PendingChangesUploader{
selectedFeature
.stabilized(10000)
.addCallback(feature => {
if(feature === undefined){
if (feature === undefined) {
// The popup got closed - we flush
changes.flushChanges("Flushing changes due to popup closed");
}
@ -44,18 +44,17 @@ export default class PendingChangesUploader{
document.onblur = () => {
changes.flushChanges("OnFocus")
}
try{
try {
document.addEventListener("visibilitychange", () => {
changes.flushChanges("Visibility change")
}, false);
}catch(e){
} catch (e) {
console.warn("Could not register visibility change listener", e)
}
window.onbeforeunload = function(e){
if(changes.pending.data.length == 0){
function onunload(e) {
if (changes.pending.data.length == 0) {
return;
}
changes.flushChanges("onbeforeunload - probably closing or something similar");
@ -63,8 +62,11 @@ export default class PendingChangesUploader{
return "Saving your last changes..."
}
window.onbeforeunload = onunload
// https://stackoverflow.com/questions/3239834/window-onbeforeunload-not-working-on-the-ipad#4824156
window.addEventListener("pagehide", onunload)
}
}