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pause/resume overlays

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This commit is contained in:
Gwendolyn 2024-12-29 19:09:02 +01:00
parent 25e8ed6464
commit 4e730b9708
1 changed files with 42 additions and 4 deletions
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46
src/c3nav/site/static/site/js/c3nav.js
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@ -2545,6 +2545,10 @@ c3nav = {
c3nav.resume_level = c3nav._levelControl.currentLevel;
c3nav._levelControl.setLevel(null);
}
if (c3nav._overlayControl) {
c3nav._overlayControl.pause();
}
},
_resume: function () {
if (c3nav._fetch_updates_timer === null) {
@ -2564,6 +2568,10 @@ c3nav = {
console.info("c3nav._resume() -> scheduling searchable locations timeout: " + scheduled_load_in);
}
}
if (c3nav._overlayControl) {
c3nav._overlayControl.resume();
}
},
_visibility_hidden_timer: null,
on_visibility_change: function () {
@ -3182,6 +3190,18 @@ OverlayControl = ExpandingControl.extend({
this._levels = levels;
},
pause: function () {
for (const overlay of Object.values(this._overlays)) {
overlay.pause();
}
},
resume: function () {
for (const overlay of Object.values(this._overlays)) {
overlay.resume();
}
},
onAdd: function () {
const initialActiveOverlays = this.getStored('active', []);
@ -3496,16 +3516,34 @@ class DataOverlay {
}
}
pause() {
if (this.fetch_timeout !== null) {
window.clearTimeout(this.fetch_timeout);
this.fetch_timeout = null;
}
}
resume() {
if (this.active && this.update_interval !== null) {
// noinspection JSIgnoredPromiseFromCall
this.fetch_features();
}
}
async fetch_features() {
if (this.fetch_timeout !== null) {
window.clearTimeout(this.fetch_timeout);
this.fetch_timeout = null;
}
const {data: features, etag} = await c3nav_api.get_with_etag(`mapdata/dataoverlayfeatures/?overlay=${this.id}`, this.etag);
try {
const {data: features, etag} = await c3nav_api.get_with_etag(`mapdata/dataoverlayfeatures/?overlay=${this.id}`, this.etag);
if (features !== null) {
this.update_features(features);
this.etag = etag;
if (features !== null) {
this.update_features(features);
this.etag = etag;
}
} catch (err) {
console.error(err);
}
if (this.update_interval !== null && this.fetch_timeout === null) {