Kargi-Sitesi/node_modules/@angular/google-maps/esm2022/map-ground-overlay/map-ground-overlay.mjs

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JavaScript
Executable file

/**
* @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"]}