terriajs
Version:
Geospatial data visualization platform.
82 lines • 3.42 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { computed, onBecomeObserved, onBecomeUnobserved, reaction, makeObservable } from "mobx";
import { now } from "mobx-utils";
export default function AutoRefreshingMixin(Base) {
class AutoRefreshingMixin extends Base {
autoRefreshDisposer;
autorunRefreshEnableDisposer;
constructor(...args) {
super(...args);
makeObservable(this);
// We should only poll when our map items have consumers
onBecomeObserved(this, "mapItems", this.startAutoRefresh.bind(this));
onBecomeUnobserved(this, "mapItems", this.stopAutoRefresh.bind(this));
}
startAutoRefresh() {
if (!this.autorunRefreshEnableDisposer) {
// Toggle autorefresh when `refreshEnabled` trait changes
this.autorunRefreshEnableDisposer = reaction(() => this.refreshEnabled, () => {
if (this.refreshEnabled) {
this.startAutoRefresh();
}
else {
this.stopAutoRefresh();
}
});
}
if (!this.autoRefreshDisposer && this.refreshEnabled) {
this.autoRefreshDisposer = reaction(() => this._pollingTimer, () => {
if (this.show)
this.refreshData();
});
}
}
stopAutoRefresh() {
if (this.autorunRefreshEnableDisposer) {
this.autorunRefreshEnableDisposer();
this.autorunRefreshEnableDisposer = undefined;
}
if (this.autoRefreshDisposer) {
this.autoRefreshDisposer();
this.autoRefreshDisposer = undefined;
}
}
get _pollingTimer() {
if (this.refreshInterval !== undefined) {
return now(this.refreshInterval * 1000);
}
else {
return undefined;
}
}
get isPolling() {
return this._pollingTimer !== undefined;
}
get nextScheduledUpdateTime() {
if (this.refreshEnabled &&
this._pollingTimer !== undefined &&
this.refreshInterval !== undefined) {
return new Date(this._pollingTimer + this.refreshInterval * 1000);
}
else {
return undefined;
}
}
}
__decorate([
computed
], AutoRefreshingMixin.prototype, "_pollingTimer", null);
__decorate([
computed
], AutoRefreshingMixin.prototype, "isPolling", null);
__decorate([
computed
], AutoRefreshingMixin.prototype, "nextScheduledUpdateTime", null);
return AutoRefreshingMixin;
}
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