/**
 * @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 { Injectable, Inject } from '@angular/core';
import { OverlayContainer } from './overlay-container';
import { DOCUMENT } from '@angular/common';
import { Platform } from '@angular/cdk/platform';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "@angular/cdk/platform";
/**
 * Alternative to OverlayContainer that supports correct displaying of overlay elements in
 * Fullscreen mode
 * https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullScreen
 *
 * Should be provided in the root component.
 */
export class FullscreenOverlayContainer extends OverlayContainer {
    constructor(_document, platform) {
        super(_document, platform);
    }
    ngOnDestroy() {
        super.ngOnDestroy();
        if (this._fullScreenEventName && this._fullScreenListener) {
            this._document.removeEventListener(this._fullScreenEventName, this._fullScreenListener);
        }
    }
    _createContainer() {
        super._createContainer();
        this._adjustParentForFullscreenChange();
        this._addFullscreenChangeListener(() => this._adjustParentForFullscreenChange());
    }
    _adjustParentForFullscreenChange() {
        if (!this._containerElement) {
            return;
        }
        const fullscreenElement = this.getFullscreenElement();
        const parent = fullscreenElement || this._document.body;
        parent.appendChild(this._containerElement);
    }
    _addFullscreenChangeListener(fn) {
        const eventName = this._getEventName();
        if (eventName) {
            if (this._fullScreenListener) {
                this._document.removeEventListener(eventName, this._fullScreenListener);
            }
            this._document.addEventListener(eventName, fn);
            this._fullScreenListener = fn;
        }
    }
    _getEventName() {
        if (!this._fullScreenEventName) {
            const _document = this._document;
            if (_document.fullscreenEnabled) {
                this._fullScreenEventName = 'fullscreenchange';
            }
            else if (_document.webkitFullscreenEnabled) {
                this._fullScreenEventName = 'webkitfullscreenchange';
            }
            else if (_document.mozFullScreenEnabled) {
                this._fullScreenEventName = 'mozfullscreenchange';
            }
            else if (_document.msFullscreenEnabled) {
                this._fullScreenEventName = 'MSFullscreenChange';
            }
        }
        return this._fullScreenEventName;
    }
    /**
     * When the page is put into fullscreen mode, a specific element is specified.
     * Only that element and its children are visible when in fullscreen mode.
     */
    getFullscreenElement() {
        const _document = this._document;
        return _document.fullscreenElement ||
            _document.webkitFullscreenElement ||
            _document.mozFullScreenElement ||
            _document.msFullscreenElement ||
            null;
    }
}
FullscreenOverlayContainer.ɵprov = i0.ɵɵdefineInjectable({ factory: function FullscreenOverlayContainer_Factory() { return new FullscreenOverlayContainer(i0.ɵɵinject(i1.DOCUMENT), i0.ɵɵinject(i2.Platform)); }, token: FullscreenOverlayContainer, providedIn: "root" });
FullscreenOverlayContainer.decorators = [
    { type: Injectable, args: [{ providedIn: 'root' },] }
];
FullscreenOverlayContainer.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
    { type: Platform }
];
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