source: trip-planner-front/node_modules/@angular/cdk/esm2015/overlay/dispatchers/base-overlay-dispatcher.js@ 6c1585f

/**
 * @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
 */
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
/**
 * Service for dispatching events that land on the body to appropriate overlay ref,
 * if any. It maintains a list of attached overlays to determine best suited overlay based
 * on event target and order of overlay opens.
 */
export class BaseOverlayDispatcher {
    constructor(document) {
        /** Currently attached overlays in the order they were attached. */
        this._attachedOverlays = [];
        this._document = document;
    }
    ngOnDestroy() {
        this.detach();
    }
    /** Add a new overlay to the list of attached overlay refs. */
    add(overlayRef) {
        // Ensure that we don't get the same overlay multiple times.
        this.remove(overlayRef);
        this._attachedOverlays.push(overlayRef);
    }
    /** Remove an overlay from the list of attached overlay refs. */
    remove(overlayRef) {
        const index = this._attachedOverlays.indexOf(overlayRef);
        if (index > -1) {
            this._attachedOverlays.splice(index, 1);
        }
        // Remove the global listener once there are no more overlays.
        if (this._attachedOverlays.length === 0) {
            this.detach();
        }
    }
}
BaseOverlayDispatcher.ɵprov = i0.ɵɵdefineInjectable({ factory: function BaseOverlayDispatcher_Factory() { return new BaseOverlayDispatcher(i0.ɵɵinject(i1.DOCUMENT)); }, token: BaseOverlayDispatcher, providedIn: "root" });
BaseOverlayDispatcher.decorators = [
    { type: Injectable, args: [{ providedIn: 'root' },] }
];
BaseOverlayDispatcher.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
//# sourceMappingURL=data:application/json;base64,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