/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Workaround for: https://github.com/bazelbuild/rules_nodejs/issues/1265
/// <reference types="google.maps" preserve="true" />
import { Directive, EventEmitter, Input, NgZone, Output, inject, } from '@angular/core';
import { BehaviorSubject, Observable, Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { GoogleMap } from '../google-map/google-map';
import { MapEventManager } from '../map-event-manager';
import * as i0 from "@angular/core";
import * as i1 from "../google-map/google-map";
/**
 * Angular component that renders a Google Maps Ground Overlay via the Google Maps JavaScript API.
 *
 * See developers.google.com/maps/documentation/javascript/reference/image-overlay#GroundOverlay
 */
export class MapGroundOverlay {
    /** URL of the image that will be shown in the overlay. */
    set url(url) {
        this._url.next(url);
    }
    /** Bounds for the overlay. */
    get bounds() {
        return this._bounds.value;
    }
    set bounds(bounds) {
        this._bounds.next(bounds);
    }
    /** Opacity of the overlay. */
    set opacity(opacity) {
        this._opacity.next(opacity);
    }
    constructor(_map, _ngZone) {
        this._map = _map;
        this._ngZone = _ngZone;
        this._eventManager = new MapEventManager(inject(NgZone));
        this._opacity = new BehaviorSubject(1);
        this._url = new BehaviorSubject('');
        this._bounds = new BehaviorSubject(undefined);
        this._destroyed = new Subject();
        /** Whether the overlay is clickable */
        this.clickable = false;
        /**
         * See
         * developers.google.com/maps/documentation/javascript/reference/image-overlay#GroundOverlay.click
         */
        this.mapClick = this._eventManager.getLazyEmitter('click');
        /**
         * See
         * developers.google.com/maps/documentation/javascript/reference/image-overlay
         * #GroundOverlay.dblclick
         */
        this.mapDblclick = this._eventManager.getLazyEmitter('dblclick');
        /** Event emitted when the ground overlay is initialized. */
        this.groundOverlayInitialized = new EventEmitter();
    }
    ngOnInit() {
        if (this._map._isBrowser) {
            // The ground overlay setup is slightly different from the other Google Maps objects in that
            // we have to recreate the `GroundOverlay` object whenever the bounds change, because
            // Google Maps doesn't provide an API to update the bounds of an existing overlay.
            this._bounds.pipe(takeUntil(this._destroyed)).subscribe(bounds => {
                if (this.groundOverlay) {
                    this.groundOverlay.setMap(null);
                    this.groundOverlay = undefined;
                }
                if (!bounds) {
                    return;
                }
                if (google.maps.GroundOverlay && this._map.googleMap) {
                    this._initialize(this._map.googleMap, google.maps.GroundOverlay, bounds);
                }
                else {
                    this._ngZone.runOutsideAngular(() => {
                        Promise.all([this._map._resolveMap(), google.maps.importLibrary('maps')]).then(([map, lib]) => {
                            this._initialize(map, lib.GroundOverlay, bounds);
                        });
                    });
                }
            });
        }
    }
    _initialize(map, overlayConstructor, bounds) {
        // Create the object outside the zone so its events don't trigger change detection.
        // We'll bring it back in inside the `MapEventManager` only for the events that the
        // user has subscribed to.
        this._ngZone.runOutsideAngular(() => {
            this.groundOverlay = new overlayConstructor(this._url.getValue(), bounds, {
                clickable: this.clickable,
                opacity: this._opacity.value,
            });
            this._assertInitialized();
            this.groundOverlay.setMap(map);
            this._eventManager.setTarget(this.groundOverlay);
            this.groundOverlayInitialized.emit(this.groundOverlay);
            // We only need to set up the watchers once.
            if (!this._hasWatchers) {
                this._hasWatchers = true;
                this._watchForOpacityChanges();
                this._watchForUrlChanges();
            }
        });
    }
    ngOnDestroy() {
        this._eventManager.destroy();
        this._destroyed.next();
        this._destroyed.complete();
        this.groundOverlay?.setMap(null);
    }
    /**
     * See
     * developers.google.com/maps/documentation/javascript/reference/image-overlay
     * #GroundOverlay.getBounds
     */
    getBounds() {
        this._assertInitialized();
        return this.groundOverlay.getBounds();
    }
    /**
     * See
     * developers.google.com/maps/documentation/javascript/reference/image-overlay
     * #GroundOverlay.getOpacity
     */
    getOpacity() {
        this._assertInitialized();
        return this.groundOverlay.getOpacity();
    }
    /**
     * See
     * developers.google.com/maps/documentation/javascript/reference/image-overlay
     * #GroundOverlay.getUrl
     */
    getUrl() {
        this._assertInitialized();
        return this.groundOverlay.getUrl();
    }
    _watchForOpacityChanges() {
        this._opacity.pipe(takeUntil(this._destroyed)).subscribe(opacity => {
            if (opacity != null) {
                this.groundOverlay?.setOpacity(opacity);
            }
        });
    }
    _watchForUrlChanges() {
        this._url.pipe(takeUntil(this._destroyed)).subscribe(url => {
            const overlay = this.groundOverlay;
            if (overlay) {
                overlay.set('url', url);
                // Google Maps only redraws the overlay if we re-set the map.
                overlay.setMap(null);
                overlay.setMap(this._map.googleMap);
            }
        });
    }
    _assertInitialized() {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            if (!this.groundOverlay) {
                throw Error('Cannot interact with a Google Map GroundOverlay before it has been initialized. ' +
                    'Please wait for the GroundOverlay to load before trying to interact with it.');
            }
        }
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.0-next.2", ngImport: i0, type: MapGroundOverlay, deps: [{ token: i1.GoogleMap }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.2.0-next.2", type: MapGroundOverlay, isStandalone: true, selector: "map-ground-overlay", inputs: { url: "url", bounds: "bounds", clickable: "clickable", opacity: "opacity" }, outputs: { mapClick: "mapClick", mapDblclick: "mapDblclick", groundOverlayInitialized: "groundOverlayInitialized" }, exportAs: ["mapGroundOverlay"], ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.0-next.2", ngImport: i0, type: MapGroundOverlay, decorators: [{
            type: Directive,
            args: [{
                    selector: 'map-ground-overlay',
                    exportAs: 'mapGroundOverlay',
                    standalone: true,
                }]
        }], ctorParameters: () => [{ type: i1.GoogleMap }, { type: i0.NgZone }], propDecorators: { url: [{
                type: Input
            }], bounds: [{
                type: Input
            }], clickable: [{
                type: Input
            }], opacity: [{
                type: Input
            }], mapClick: [{
                type: Output
            }], mapDblclick: [{
                type: Output
            }], groundOverlayInitialized: [{
                type: Output
            }] } });
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n// Workaround for: https://github.com/bazelbuild/rules_nodejs/issues/1265\n/// <reference types=\"google.maps\" preserve=\"true\" />\n\nimport {\n  Directive,\n  EventEmitter,\n  Input,\n  NgZone,\n  OnDestroy,\n  OnInit,\n  Output,\n  inject,\n} from '@angular/core';\nimport {BehaviorSubject, Observable, Subject} from 'rxjs';\nimport {takeUntil} from 'rxjs/operators';\n\nimport {GoogleMap} from '../google-map/google-map';\nimport {MapEventManager} from '../map-event-manager';\n\n/**\n * Angular component that renders a Google Maps Ground Overlay via the Google Maps JavaScript API.\n *\n * See developers.google.com/maps/documentation/javascript/reference/image-overlay#GroundOverlay\n */\n@Directive({\n  selector: 'map-ground-overlay',\n  exportAs: 'mapGroundOverlay',\n  standalone: true,\n})\nexport class MapGroundOverlay implements OnInit, OnDestroy {\n  private _eventManager = new MapEventManager(inject(NgZone));\n\n  private readonly _opacity = new BehaviorSubject<number>(1);\n  private readonly _url = new BehaviorSubject<string>('');\n  private readonly _bounds = new BehaviorSubject<\n    google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral | undefined\n  >(undefined);\n  private readonly _destroyed = new Subject<void>();\n  private _hasWatchers: boolean;\n\n  /**\n   * The underlying google.maps.GroundOverlay object.\n   *\n   * See developers.google.com/maps/documentation/javascript/reference/image-overlay#GroundOverlay\n   */\n  groundOverlay?: google.maps.GroundOverlay;\n\n  /** URL of the image that will be shown in the overlay. */\n  @Input()\n  set url(url: string) {\n    this._url.next(url);\n  }\n\n  /** Bounds for the overlay. */\n  @Input()\n  get bounds(): google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral {\n    return this._bounds.value!;\n  }\n  set bounds(bounds: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral) {\n    this._bounds.next(bounds);\n  }\n\n  /** Whether the overlay is clickable */\n  @Input() clickable: boolean = false;\n\n  /** Opacity of the overlay. */\n  @Input()\n  set opacity(opacity: number) {\n    this._opacity.next(opacity);\n  }\n\n  /**\n   * See\n   * developers.google.com/maps/documentation/javascript/reference/image-overlay#GroundOverlay.click\n   */\n  @Output() readonly mapClick: Observable<google.maps.MapMouseEvent> =\n    this._eventManager.getLazyEmitter<google.maps.MapMouseEvent>('click');\n\n  /**\n   * See\n   * developers.google.com/maps/documentation/javascript/reference/image-overlay\n   * #GroundOverlay.dblclick\n   */\n  @Output() readonly mapDblclick: Observable<google.maps.MapMouseEvent> =\n    this._eventManager.getLazyEmitter<google.maps.MapMouseEvent>('dblclick');\n\n  /** Event emitted when the ground overlay is initialized. */\n  @Output() readonly groundOverlayInitialized: EventEmitter<google.maps.GroundOverlay> =\n    new EventEmitter<google.maps.GroundOverlay>();\n\n  constructor(\n    private readonly _map: GoogleMap,\n    private readonly _ngZone: NgZone,\n  ) {}\n\n  ngOnInit() {\n    if (this._map._isBrowser) {\n      // The ground overlay setup is slightly different from the other Google Maps objects in that\n      // we have to recreate the `GroundOverlay` object whenever the bounds change, because\n      // Google Maps doesn't provide an API to update the bounds of an existing overlay.\n      this._bounds.pipe(takeUntil(this._destroyed)).subscribe(bounds => {\n        if (this.groundOverlay) {\n          this.groundOverlay.setMap(null);\n          this.groundOverlay = undefined;\n        }\n\n        if (!bounds) {\n          return;\n        }\n\n        if (google.maps.GroundOverlay && this._map.googleMap) {\n          this._initialize(this._map.googleMap, google.maps.GroundOverlay, bounds);\n        } else {\n          this._ngZone.runOutsideAngular(() => {\n            Promise.all([this._map._resolveMap(), google.maps.importLibrary('maps')]).then(\n              ([map, lib]) => {\n                this._initialize(map, (lib as google.maps.MapsLibrary).GroundOverlay, bounds);\n              },\n            );\n          });\n        }\n      });\n    }\n  }\n\n  private _initialize(\n    map: google.maps.Map,\n    overlayConstructor: typeof google.maps.GroundOverlay,\n    bounds: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral,\n  ) {\n    // Create the object outside the zone so its events don't trigger change detection.\n    // We'll bring it back in inside the `MapEventManager` only for the events that the\n    // user has subscribed to.\n    this._ngZone.runOutsideAngular(() => {\n      this.groundOverlay = new overlayConstructor(this._url.getValue(), bounds, {\n        clickable: this.clickable,\n        opacity: this._opacity.value,\n      });\n      this._assertInitialized();\n      this.groundOverlay.setMap(map);\n      this._eventManager.setTarget(this.groundOverlay);\n      this.groundOverlayInitialized.emit(this.groundOverlay);\n\n      // We only need to set up the watchers once.\n      if (!this._hasWatchers) {\n        this._hasWatchers = true;\n        this._watchForOpacityChanges();\n        this._watchForUrlChanges();\n      }\n    });\n  }\n\n  ngOnDestroy() {\n    this._eventManager.destroy();\n    this._destroyed.next();\n    this._destroyed.complete();\n    this.groundOverlay?.setMap(null);\n  }\n\n  /**\n   * See\n   * developers.google.com/maps/documentation/javascript/reference/image-overlay\n   * #GroundOverlay.getBounds\n   */\n  getBounds(): google.maps.LatLngBounds | null {\n    this._assertInitialized();\n    return this.groundOverlay.getBounds();\n  }\n\n  /**\n   * See\n   * developers.google.com/maps/documentation/javascript/reference/image-overlay\n   * #GroundOverlay.getOpacity\n   */\n  getOpacity(): number {\n    this._assertInitialized();\n    return this.groundOverlay.getOpacity();\n  }\n\n  /**\n   * See\n   * developers.google.com/maps/documentation/javascript/reference/image-overlay\n   * #GroundOverlay.getUrl\n   */\n  getUrl(): string {\n    this._assertInitialized();\n    return this.groundOverlay.getUrl();\n  }\n\n  private _watchForOpacityChanges() {\n    this._opacity.pipe(takeUntil(this._destroyed)).subscribe(opacity => {\n      if (opacity != null) {\n        this.groundOverlay?.setOpacity(opacity);\n      }\n    });\n  }\n\n  private _watchForUrlChanges() {\n    this._url.pipe(takeUntil(this._destroyed)).subscribe(url => {\n      const overlay = this.groundOverlay;\n\n      if (overlay) {\n        overlay.set('url', url);\n        // Google Maps only redraws the overlay if we re-set the map.\n        overlay.setMap(null);\n        overlay.setMap(this._map.googleMap!);\n      }\n    });\n  }\n\n  private _assertInitialized(): asserts this is {groundOverlay: google.maps.GroundOverlay} {\n    if (typeof ngDevMode === 'undefined' || ngDevMode) {\n      if (!this.groundOverlay) {\n        throw Error(\n          'Cannot interact with a Google Map GroundOverlay before it has been initialized. ' +\n            'Please wait for the GroundOverlay to load before trying to interact with it.',\n        );\n      }\n    }\n  }\n}\n"]}