2025-summer/team-3
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don't fetch overlay updates when the overlay is not shown

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This commit is contained in:
Gwendolyn 2024-12-26 22:21:33 +01:00
parent e5ac1e12df
commit a06c6033fc
1 changed files with 14 additions and 6 deletions
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20
src/c3nav/site/static/site/js/c3nav.js
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@ -3143,6 +3143,7 @@ L.SquareGridLayer = L.Layer.extend({
class DataOverlay {
levels = null;
feature_geometries = {};
fetch_timeout = null;
constructor(options) {
this.id = options.id;
@ -3167,8 +3168,8 @@ class DataOverlay {
this.update_features(features);
if (this.update_interval !== null) {
window.setTimeout(() => {
if (this.update_interval !== null && this.fetch_timeout === null) {
this.fetch_timeout = window.setTimeout(() => {
this.fetch_features()
.catch(err => console.error(err))
}, this.update_interval);
@ -3176,12 +3177,16 @@ class DataOverlay {
}
async fetch_features() {
if (this.fetch_timeout !== null) {
window.clearTimeout(this.fetch_timeout);
this.fetch_timeout = null;
}
const features= await c3nav_api.get(`mapdata/dataoverlayfeatures/?overlay=${this.id}`);
this.update_features(features);
if (this.update_interval !== null) {
window.setTimeout(() => {
if (this.update_interval !== null && this.fetch_timeout === null) {
this.fetch_timeout = window.setTimeout(() => {
this.fetch_features()
.catch(err => console.error(err))
}, this.update_interval);
@ -3267,6 +3272,9 @@ class DataOverlay {
async enable(levels) {
if (!this.levels) {
await this.create();
} else {
this.fetch_features()
.catch(err => console.error(err));
}
for (const id in levels) {
if (id in this.levels) {
@ -3281,7 +3289,7 @@ class DataOverlay {
levels[id].removeLayer(this.levels[id]);
}
}
window.clearTimeout(this.fetch_timeout);
this.fetch_timeout = null;
}
}