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feat(AgmMap): Add tilesloaded event to AgmMap #1706

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Aug 20, 2019
Merged

feat(AgmMap): Add tilesloaded event to AgmMap #1706

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a7dca54
feat(AgmMap): Add tilesloaded event to AgmMap
CorneeSean Aug 17, 2019
fdd3519
Review fixes
CorneeSean Aug 20, 2019
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13 changes: 13 additions & 0 deletions packages/core/directives/map.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -358,6 +358,11 @@ export class AgmMap implements OnChanges, OnInit, OnDestroy {
*/
@Output() mapReady: EventEmitter<any> = new EventEmitter<any>();

/**
* This event is fired when the visible tiles have finished loading.
*/
@Output() tilesLoaded: EventEmitter<void> = new EventEmitter<void>();

constructor(private _elem: ElementRef, private _mapsWrapper: GoogleMapsAPIWrapper, protected _fitBoundsService: FitBoundsService, private _zone: NgZone) {
}

Expand Down Expand Up @@ -413,6 +418,7 @@ export class AgmMap implements OnChanges, OnInit, OnDestroy {
this._handleMapMouseEvents();
this._handleBoundsChange();
this._handleMapTypeIdChange();
this._handleTilesLoadedEvent();
this._handleIdleEvent();
}

Expand Down Expand Up @@ -577,6 +583,13 @@ export class AgmMap implements OnChanges, OnInit, OnDestroy {
this._observableSubscriptions.push(s);
}

private _handleTilesLoadedEvent() {
const s = this._mapsWrapper.subscribeToMapEvent<void>('tilesloaded').subscribe(
() => this.tilesLoaded.emit(void 0)
);
this._observableSubscriptions.push(s);
}

private _handleMapMouseEvents() {
interface Emitter {
emit(value: any): void;
Expand Down