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							604 lines
						
					
					
						
							30 KiB
						
					
					
				
								import * as i1 from '@angular/cdk/overlay';
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								import { OverlayModule, OverlayConfig, Overlay } from '@angular/cdk/overlay';
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								import { BasePortalOutlet, CdkPortalOutlet, PortalModule, TemplatePortal, ComponentPortal } from '@angular/cdk/portal';
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								import * as i0 from '@angular/core';
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								import { InjectionToken, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, ChangeDetectorRef, Optional, Inject, ViewChild, NgModule, TemplateRef, Injector, InjectFlags, Injectable, SkipSelf } from '@angular/core';
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								import { AnimationDurations, AnimationCurves, MatCommonModule } from '@angular/material/core';
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								import { Breakpoints, BreakpointObserver } from '@angular/cdk/layout';
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								import { trigger, state, style, transition, animate } from '@angular/animations';
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								import { DOCUMENT } from '@angular/common';
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								import { FocusTrapFactory } from '@angular/cdk/a11y';
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								import { _getFocusedElementPierceShadowDom } from '@angular/cdk/platform';
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								import { Directionality } from '@angular/cdk/bidi';
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								import { Subject, merge, of } from 'rxjs';
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								import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
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								import { filter, take } from 'rxjs/operators';
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								/**
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								 * @license
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								 * Copyright Google LLC All Rights Reserved.
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								 *
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								 * Use of this source code is governed by an MIT-style license that can be
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								 * found in the LICENSE file at https://angular.io/license
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								 */
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								/** Injection token that can be used to access the data that was passed in to a bottom sheet. */
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								import * as ɵngcc0 from '@angular/core';
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								import * as ɵngcc1 from '@angular/cdk/a11y';
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								import * as ɵngcc2 from '@angular/cdk/layout';
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								import * as ɵngcc3 from '@angular/cdk/portal';
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								import * as ɵngcc4 from '@angular/cdk/overlay';
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								function MatBottomSheetContainer_ng_template_0_Template(rf, ctx) { }
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								const MAT_BOTTOM_SHEET_DATA = new InjectionToken('MatBottomSheetData');
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								/**
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								 * Configuration used when opening a bottom sheet.
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								 */
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								class MatBottomSheetConfig {
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								    constructor() {
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								        /** Data being injected into the child component. */
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								        this.data = null;
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								        /** Whether the bottom sheet has a backdrop. */
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								        this.hasBackdrop = true;
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								        /** Whether the user can use escape or clicking outside to close the bottom sheet. */
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								        this.disableClose = false;
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								        /** Aria label to assign to the bottom sheet element. */
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								        this.ariaLabel = null;
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								        /**
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								         * Whether the bottom sheet should close when the user goes backwards/forwards in history.
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								         * Note that this usually doesn't include clicking on links (unless the user is using
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								         * the `HashLocationStrategy`).
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								         */
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								        this.closeOnNavigation = true;
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								        // Note that this is disabled by default, because while the a11y recommendations are to focus
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								        // the first focusable element, doing so prevents screen readers from reading out the
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								        // rest of the bottom sheet content.
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								        /** Whether the bottom sheet should focus the first focusable element on open. */
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								        this.autoFocus = false;
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								        /**
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								         * Whether the bottom sheet should restore focus to the
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								         * previously-focused element, after it's closed.
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								         */
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								        this.restoreFocus = true;
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								    }
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								}
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								/**
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								 * @license
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								 * Copyright Google LLC All Rights Reserved.
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								 *
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								 * Use of this source code is governed by an MIT-style license that can be
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								 * found in the LICENSE file at https://angular.io/license
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								 */
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								/** Animations used by the Material bottom sheet. */
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								const matBottomSheetAnimations = {
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								    /** Animation that shows and hides a bottom sheet. */
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								    bottomSheetState: trigger('state', [
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								        state('void, hidden', style({ transform: 'translateY(100%)' })),
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								        state('visible', style({ transform: 'translateY(0%)' })),
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								        transition('visible => void, visible => hidden', animate(`${AnimationDurations.COMPLEX} ${AnimationCurves.ACCELERATION_CURVE}`)),
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								        transition('void => visible', animate(`${AnimationDurations.EXITING} ${AnimationCurves.DECELERATION_CURVE}`)),
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								    ])
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								};
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								/**
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								 * @license
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								 * Copyright Google LLC All Rights Reserved.
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								 *
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								 * Use of this source code is governed by an MIT-style license that can be
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								 * found in the LICENSE file at https://angular.io/license
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								 */
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								// TODO(crisbeto): consolidate some logic between this, MatDialog and MatSnackBar
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								/**
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								 * Internal component that wraps user-provided bottom sheet content.
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								 * @docs-private
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								 */
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								class MatBottomSheetContainer extends BasePortalOutlet {
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								    constructor(_elementRef, _changeDetectorRef, _focusTrapFactory, breakpointObserver, document, 
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								    /** The bottom sheet configuration. */
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								    bottomSheetConfig) {
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								        super();
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								        this._elementRef = _elementRef;
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								        this._changeDetectorRef = _changeDetectorRef;
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								        this._focusTrapFactory = _focusTrapFactory;
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								        this.bottomSheetConfig = bottomSheetConfig;
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								        /** The state of the bottom sheet animations. */
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								        this._animationState = 'void';
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								        /** Emits whenever the state of the animation changes. */
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								        this._animationStateChanged = new EventEmitter();
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								        /** Element that was focused before the bottom sheet was opened. */
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								        this._elementFocusedBeforeOpened = null;
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								        /**
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								         * Attaches a DOM portal to the bottom sheet container.
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								         * @deprecated To be turned into a method.
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								         * @breaking-change 10.0.0
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								         */
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								        this.attachDomPortal = (portal) => {
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								            this._validatePortalAttached();
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								            this._setPanelClass();
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								            this._savePreviouslyFocusedElement();
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								            return this._portalOutlet.attachDomPortal(portal);
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								        };
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								        this._document = document;
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								        this._breakpointSubscription = breakpointObserver
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								            .observe([Breakpoints.Medium, Breakpoints.Large, Breakpoints.XLarge])
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								            .subscribe(() => {
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								            this._toggleClass('mat-bottom-sheet-container-medium', breakpointObserver.isMatched(Breakpoints.Medium));
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								            this._toggleClass('mat-bottom-sheet-container-large', breakpointObserver.isMatched(Breakpoints.Large));
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								            this._toggleClass('mat-bottom-sheet-container-xlarge', breakpointObserver.isMatched(Breakpoints.XLarge));
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								        });
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								    }
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								    /** Attach a component portal as content to this bottom sheet container. */
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								    attachComponentPortal(portal) {
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								        this._validatePortalAttached();
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								        this._setPanelClass();
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								        this._savePreviouslyFocusedElement();
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								        return this._portalOutlet.attachComponentPortal(portal);
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								    }
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								    /** Attach a template portal as content to this bottom sheet container. */
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								    attachTemplatePortal(portal) {
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								        this._validatePortalAttached();
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								        this._setPanelClass();
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								        this._savePreviouslyFocusedElement();
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								        return this._portalOutlet.attachTemplatePortal(portal);
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								    }
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								    /** Begin animation of bottom sheet entrance into view. */
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								    enter() {
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								        if (!this._destroyed) {
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								            this._animationState = 'visible';
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								            this._changeDetectorRef.detectChanges();
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								        }
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								    }
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								    /** Begin animation of the bottom sheet exiting from view. */
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								    exit() {
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								        if (!this._destroyed) {
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								            this._animationState = 'hidden';
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								            this._changeDetectorRef.markForCheck();
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								        }
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								    }
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								    ngOnDestroy() {
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								        this._breakpointSubscription.unsubscribe();
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								        this._destroyed = true;
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								    }
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								    _onAnimationDone(event) {
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								        if (event.toState === 'hidden') {
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								            this._restoreFocus();
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								        }
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								        else if (event.toState === 'visible') {
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								            this._trapFocus();
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								        }
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								        this._animationStateChanged.emit(event);
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								    }
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								    _onAnimationStart(event) {
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								        this._animationStateChanged.emit(event);
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								    }
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								    _toggleClass(cssClass, add) {
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								        const classList = this._elementRef.nativeElement.classList;
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								        add ? classList.add(cssClass) : classList.remove(cssClass);
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								    }
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								    _validatePortalAttached() {
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								        if (this._portalOutlet.hasAttached() && (typeof ngDevMode === 'undefined' || ngDevMode)) {
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								            throw Error('Attempting to attach bottom sheet content after content is already attached');
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								        }
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								    }
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								    _setPanelClass() {
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								        const element = this._elementRef.nativeElement;
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								        const panelClass = this.bottomSheetConfig.panelClass;
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								        if (Array.isArray(panelClass)) {
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								            // Note that we can't use a spread here, because IE doesn't support multiple arguments.
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								            panelClass.forEach(cssClass => element.classList.add(cssClass));
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								        }
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								        else if (panelClass) {
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								            element.classList.add(panelClass);
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								        }
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								    }
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								    /** Moves the focus inside the focus trap. */
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								    _trapFocus() {
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								        const element = this._elementRef.nativeElement;
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								        if (!this._focusTrap) {
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								            this._focusTrap = this._focusTrapFactory.create(element);
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								        }
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								        if (this.bottomSheetConfig.autoFocus) {
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								            this._focusTrap.focusInitialElementWhenReady();
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								        }
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								        else {
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								            const activeElement = _getFocusedElementPierceShadowDom();
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								            // Otherwise ensure that focus is on the container. It's possible that a different
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								            // component tried to move focus while the open animation was running. See:
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								            // https://github.com/angular/components/issues/16215. Note that we only want to do this
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								            // if the focus isn't inside the bottom sheet already, because it's possible that the
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								            // consumer turned off `autoFocus` in order to move focus themselves.
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								            if (activeElement !== element && !element.contains(activeElement)) {
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								                element.focus();
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								            }
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								        }
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								    }
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								    /** Restores focus to the element that was focused before the bottom sheet was opened. */
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								    _restoreFocus() {
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								        const toFocus = this._elementFocusedBeforeOpened;
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								        // We need the extra check, because IE can set the `activeElement` to null in some cases.
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								        if (this.bottomSheetConfig.restoreFocus && toFocus && typeof toFocus.focus === 'function') {
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								            const activeElement = _getFocusedElementPierceShadowDom();
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								            const element = this._elementRef.nativeElement;
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								            // Make sure that focus is still inside the bottom sheet or is on the body (usually because a
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								            // non-focusable element like the backdrop was clicked) before moving it. It's possible that
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								            // the consumer moved it themselves before the animation was done, in which case we shouldn't
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								            // do anything.
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								            if (!activeElement || activeElement === this._document.body || activeElement === element ||
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								                element.contains(activeElement)) {
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								                toFocus.focus();
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								            }
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								        }
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								        if (this._focusTrap) {
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								            this._focusTrap.destroy();
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								        }
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								    }
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								    /** Saves a reference to the element that was focused before the bottom sheet was opened. */
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								    _savePreviouslyFocusedElement() {
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								        this._elementFocusedBeforeOpened = _getFocusedElementPierceShadowDom();
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								        // The `focus` method isn't available during server-side rendering.
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								        if (this._elementRef.nativeElement.focus) {
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								            Promise.resolve().then(() => this._elementRef.nativeElement.focus());
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								        }
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								    }
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								}
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								MatBottomSheetContainer.ɵfac = function MatBottomSheetContainer_Factory(t) { return new (t || MatBottomSheetContainer)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc1.FocusTrapFactory), ɵngcc0.ɵɵdirectiveInject(ɵngcc2.BreakpointObserver), ɵngcc0.ɵɵdirectiveInject(DOCUMENT, 8), ɵngcc0.ɵɵdirectiveInject(MatBottomSheetConfig)); };
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								MatBottomSheetContainer.ɵcmp = /*@__PURE__*/ ɵngcc0.ɵɵdefineComponent({ type: MatBottomSheetContainer, selectors: [["mat-bottom-sheet-container"]], viewQuery: function MatBottomSheetContainer_Query(rf, ctx) { if (rf & 1) {
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								        ɵngcc0.ɵɵviewQuery(CdkPortalOutlet, 7);
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								    } if (rf & 2) {
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								        let _t;
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								        ɵngcc0.ɵɵqueryRefresh(_t = ɵngcc0.ɵɵloadQuery()) && (ctx._portalOutlet = _t.first);
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								    } }, hostAttrs: ["tabindex", "-1", "role", "dialog", "aria-modal", "true", 1, "mat-bottom-sheet-container"], hostVars: 2, hostBindings: function MatBottomSheetContainer_HostBindings(rf, ctx) { if (rf & 1) {
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								        ɵngcc0.ɵɵsyntheticHostListener("@state.start", function MatBottomSheetContainer_animation_state_start_HostBindingHandler($event) { return ctx._onAnimationStart($event); })("@state.done", function MatBottomSheetContainer_animation_state_done_HostBindingHandler($event) { return ctx._onAnimationDone($event); });
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								    } if (rf & 2) {
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								        ɵngcc0.ɵɵattribute("aria-label", ctx.bottomSheetConfig == null ? null : ctx.bottomSheetConfig.ariaLabel);
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								        ɵngcc0.ɵɵsyntheticHostProperty("@state", ctx._animationState);
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								    } }, features: [ɵngcc0.ɵɵInheritDefinitionFeature], decls: 1, vars: 0, consts: [["cdkPortalOutlet", ""]], template: function MatBottomSheetContainer_Template(rf, ctx) { if (rf & 1) {
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								        ɵngcc0.ɵɵtemplate(0, MatBottomSheetContainer_ng_template_0_Template, 0, 0, "ng-template", 0);
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								    } }, directives: [ɵngcc3.CdkPortalOutlet], styles: [".mat-bottom-sheet-container{padding:8px 16px;min-width:100vw;box-sizing:border-box;display:block;outline:0;max-height:80vh;overflow:auto}.cdk-high-contrast-active .mat-bottom-sheet-container{outline:1px solid}.mat-bottom-sheet-container-xlarge,.mat-bottom-sheet-container-large,.mat-bottom-sheet-container-medium{border-top-left-radius:4px;border-top-right-radius:4px}.mat-bottom-sheet-container-medium{min-width:384px;max-width:calc(100vw - 128px)}.mat-bottom-sheet-container-large{min-width:512px;max-width:calc(100vw - 256px)}.mat-bottom-sheet-container-xlarge{min-width:576px;max-width:calc(100vw - 384px)}\n"], encapsulation: 2, data: { animation: [matBottomSheetAnimations.bottomSheetState] } });
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						|
								MatBottomSheetContainer.ctorParameters = () => [
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						|
								    { type: ElementRef },
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						|
								    { type: ChangeDetectorRef },
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						|
								    { type: FocusTrapFactory },
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						|
								    { type: BreakpointObserver },
							 | 
						|
								    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },
							 | 
						|
								    { type: MatBottomSheetConfig }
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						|
								];
							 | 
						|
								MatBottomSheetContainer.propDecorators = {
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						|
								    _portalOutlet: [{ type: ViewChild, args: [CdkPortalOutlet, { static: true },] }]
							 | 
						|
								};
							 | 
						|
								(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatBottomSheetContainer, [{
							 | 
						|
								        type: Component,
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						|
								        args: [{
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						|
								                selector: 'mat-bottom-sheet-container',
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						|
								                template: "<ng-template cdkPortalOutlet></ng-template>\r\n",
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						|
								                // In Ivy embedded views will be change detected from their declaration place, rather than where
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						|
								                // they were stamped out. This means that we can't have the bottom sheet container be OnPush,
							 | 
						|
								                // because it might cause the sheets that were opened from a template not to be out of date.
							 | 
						|
								                // tslint:disable-next-line:validate-decorators
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						|
								                changeDetection: ChangeDetectionStrategy.Default,
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						|
								                encapsulation: ViewEncapsulation.None,
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						|
								                animations: [matBottomSheetAnimations.bottomSheetState],
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						|
								                host: {
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						|
								                    'class': 'mat-bottom-sheet-container',
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						|
								                    'tabindex': '-1',
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						|
								                    'role': 'dialog',
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						|
								                    'aria-modal': 'true',
							 | 
						|
								                    '[attr.aria-label]': 'bottomSheetConfig?.ariaLabel',
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						|
								                    '[@state]': '_animationState',
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						|
								                    '(@state.start)': '_onAnimationStart($event)',
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						|
								                    '(@state.done)': '_onAnimationDone($event)'
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						|
								                },
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						|
								                styles: [".mat-bottom-sheet-container{padding:8px 16px;min-width:100vw;box-sizing:border-box;display:block;outline:0;max-height:80vh;overflow:auto}.cdk-high-contrast-active .mat-bottom-sheet-container{outline:1px solid}.mat-bottom-sheet-container-xlarge,.mat-bottom-sheet-container-large,.mat-bottom-sheet-container-medium{border-top-left-radius:4px;border-top-right-radius:4px}.mat-bottom-sheet-container-medium{min-width:384px;max-width:calc(100vw - 128px)}.mat-bottom-sheet-container-large{min-width:512px;max-width:calc(100vw - 256px)}.mat-bottom-sheet-container-xlarge{min-width:576px;max-width:calc(100vw - 384px)}\n"]
							 | 
						|
								            }]
							 | 
						|
								    }], function () { return [{ type: ɵngcc0.ElementRef }, { type: ɵngcc0.ChangeDetectorRef }, { type: ɵngcc1.FocusTrapFactory }, { type: ɵngcc2.BreakpointObserver }, { type: undefined, decorators: [{
							 | 
						|
								                type: Optional
							 | 
						|
								            }, {
							 | 
						|
								                type: Inject,
							 | 
						|
								                args: [DOCUMENT]
							 | 
						|
								            }] }, { type: MatBottomSheetConfig }]; }, { _portalOutlet: [{
							 | 
						|
								            type: ViewChild,
							 | 
						|
								            args: [CdkPortalOutlet, { static: true }]
							 | 
						|
								        }] }); })();
							 | 
						|
								
							 | 
						|
								/**
							 | 
						|
								 * @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
							 | 
						|
								 */
							 | 
						|
								class MatBottomSheetModule {
							 | 
						|
								}
							 | 
						|
								MatBottomSheetModule.ɵfac = function MatBottomSheetModule_Factory(t) { return new (t || MatBottomSheetModule)(); };
							 | 
						|
								MatBottomSheetModule.ɵmod = /*@__PURE__*/ ɵngcc0.ɵɵdefineNgModule({ type: MatBottomSheetModule });
							 | 
						|
								MatBottomSheetModule.ɵinj = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjector({ imports: [[
							 | 
						|
								            OverlayModule,
							 | 
						|
								            MatCommonModule,
							 | 
						|
								            PortalModule,
							 | 
						|
								        ], MatCommonModule] });
							 | 
						|
								(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatBottomSheetModule, [{
							 | 
						|
								        type: NgModule,
							 | 
						|
								        args: [{
							 | 
						|
								                imports: [
							 | 
						|
								                    OverlayModule,
							 | 
						|
								                    MatCommonModule,
							 | 
						|
								                    PortalModule,
							 | 
						|
								                ],
							 | 
						|
								                exports: [MatBottomSheetContainer, MatCommonModule],
							 | 
						|
								                declarations: [MatBottomSheetContainer],
							 | 
						|
								                entryComponents: [MatBottomSheetContainer]
							 | 
						|
								            }]
							 | 
						|
								    }], null, null); })();
							 | 
						|
								(function () { (typeof ngJitMode === "undefined" || ngJitMode) && ɵngcc0.ɵɵsetNgModuleScope(MatBottomSheetModule, { declarations: function () { return [MatBottomSheetContainer]; }, imports: function () { return [OverlayModule,
							 | 
						|
								        MatCommonModule,
							 | 
						|
								        PortalModule]; }, exports: function () { return [MatBottomSheetContainer, MatCommonModule]; } }); })();
							 | 
						|
								
							 | 
						|
								/**
							 | 
						|
								 * @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
							 | 
						|
								 */
							 | 
						|
								/**
							 | 
						|
								 * Reference to a bottom sheet dispatched from the bottom sheet service.
							 | 
						|
								 */
							 | 
						|
								class MatBottomSheetRef {
							 | 
						|
								    constructor(containerInstance, _overlayRef) {
							 | 
						|
								        this._overlayRef = _overlayRef;
							 | 
						|
								        /** Subject for notifying the user that the bottom sheet has been dismissed. */
							 | 
						|
								        this._afterDismissed = new Subject();
							 | 
						|
								        /** Subject for notifying the user that the bottom sheet has opened and appeared. */
							 | 
						|
								        this._afterOpened = new Subject();
							 | 
						|
								        this.containerInstance = containerInstance;
							 | 
						|
								        this.disableClose = containerInstance.bottomSheetConfig.disableClose;
							 | 
						|
								        // Emit when opening animation completes
							 | 
						|
								        containerInstance._animationStateChanged.pipe(filter(event => event.phaseName === 'done' && event.toState === 'visible'), take(1))
							 | 
						|
								            .subscribe(() => {
							 | 
						|
								            this._afterOpened.next();
							 | 
						|
								            this._afterOpened.complete();
							 | 
						|
								        });
							 | 
						|
								        // Dispose overlay when closing animation is complete
							 | 
						|
								        containerInstance._animationStateChanged
							 | 
						|
								            .pipe(filter(event => event.phaseName === 'done' && event.toState === 'hidden'), take(1))
							 | 
						|
								            .subscribe(() => {
							 | 
						|
								            clearTimeout(this._closeFallbackTimeout);
							 | 
						|
								            _overlayRef.dispose();
							 | 
						|
								        });
							 | 
						|
								        _overlayRef.detachments().pipe(take(1)).subscribe(() => {
							 | 
						|
								            this._afterDismissed.next(this._result);
							 | 
						|
								            this._afterDismissed.complete();
							 | 
						|
								        });
							 | 
						|
								        merge(_overlayRef.backdropClick(), _overlayRef.keydownEvents().pipe(filter(event => event.keyCode === ESCAPE))).subscribe(event => {
							 | 
						|
								            if (!this.disableClose &&
							 | 
						|
								                (event.type !== 'keydown' || !hasModifierKey(event))) {
							 | 
						|
								                event.preventDefault();
							 | 
						|
								                this.dismiss();
							 | 
						|
								            }
							 | 
						|
								        });
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Dismisses the bottom sheet.
							 | 
						|
								     * @param result Data to be passed back to the bottom sheet opener.
							 | 
						|
								     */
							 | 
						|
								    dismiss(result) {
							 | 
						|
								        if (!this._afterDismissed.closed) {
							 | 
						|
								            // Transition the backdrop in parallel to the bottom sheet.
							 | 
						|
								            this.containerInstance._animationStateChanged.pipe(filter(event => event.phaseName === 'start'), take(1)).subscribe(event => {
							 | 
						|
								                // The logic that disposes of the overlay depends on the exit animation completing, however
							 | 
						|
								                // it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback
							 | 
						|
								                // timeout which will clean everything up if the animation hasn't fired within the specified
							 | 
						|
								                // amount of time plus 100ms. We don't need to run this outside the NgZone, because for the
							 | 
						|
								                // vast majority of cases the timeout will have been cleared before it has fired.
							 | 
						|
								                this._closeFallbackTimeout = setTimeout(() => {
							 | 
						|
								                    this._overlayRef.dispose();
							 | 
						|
								                }, event.totalTime + 100);
							 | 
						|
								                this._overlayRef.detachBackdrop();
							 | 
						|
								            });
							 | 
						|
								            this._result = result;
							 | 
						|
								            this.containerInstance.exit();
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								    /** Gets an observable that is notified when the bottom sheet is finished closing. */
							 | 
						|
								    afterDismissed() {
							 | 
						|
								        return this._afterDismissed;
							 | 
						|
								    }
							 | 
						|
								    /** Gets an observable that is notified when the bottom sheet has opened and appeared. */
							 | 
						|
								    afterOpened() {
							 | 
						|
								        return this._afterOpened;
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Gets an observable that emits when the overlay's backdrop has been clicked.
							 | 
						|
								     */
							 | 
						|
								    backdropClick() {
							 | 
						|
								        return this._overlayRef.backdropClick();
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Gets an observable that emits when keydown events are targeted on the overlay.
							 | 
						|
								     */
							 | 
						|
								    keydownEvents() {
							 | 
						|
								        return this._overlayRef.keydownEvents();
							 | 
						|
								    }
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								/**
							 | 
						|
								 * @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
							 | 
						|
								 */
							 | 
						|
								/** Injection token that can be used to specify default bottom sheet options. */
							 | 
						|
								const MAT_BOTTOM_SHEET_DEFAULT_OPTIONS = new InjectionToken('mat-bottom-sheet-default-options');
							 | 
						|
								/**
							 | 
						|
								 * Service to trigger Material Design bottom sheets.
							 | 
						|
								 */
							 | 
						|
								class MatBottomSheet {
							 | 
						|
								    constructor(_overlay, _injector, _parentBottomSheet, _defaultOptions) {
							 | 
						|
								        this._overlay = _overlay;
							 | 
						|
								        this._injector = _injector;
							 | 
						|
								        this._parentBottomSheet = _parentBottomSheet;
							 | 
						|
								        this._defaultOptions = _defaultOptions;
							 | 
						|
								        this._bottomSheetRefAtThisLevel = null;
							 | 
						|
								    }
							 | 
						|
								    /** Reference to the currently opened bottom sheet. */
							 | 
						|
								    get _openedBottomSheetRef() {
							 | 
						|
								        const parent = this._parentBottomSheet;
							 | 
						|
								        return parent ? parent._openedBottomSheetRef : this._bottomSheetRefAtThisLevel;
							 | 
						|
								    }
							 | 
						|
								    set _openedBottomSheetRef(value) {
							 | 
						|
								        if (this._parentBottomSheet) {
							 | 
						|
								            this._parentBottomSheet._openedBottomSheetRef = value;
							 | 
						|
								        }
							 | 
						|
								        else {
							 | 
						|
								            this._bottomSheetRefAtThisLevel = value;
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								    open(componentOrTemplateRef, config) {
							 | 
						|
								        const _config = _applyConfigDefaults(this._defaultOptions || new MatBottomSheetConfig(), config);
							 | 
						|
								        const overlayRef = this._createOverlay(_config);
							 | 
						|
								        const container = this._attachContainer(overlayRef, _config);
							 | 
						|
								        const ref = new MatBottomSheetRef(container, overlayRef);
							 | 
						|
								        if (componentOrTemplateRef instanceof TemplateRef) {
							 | 
						|
								            container.attachTemplatePortal(new TemplatePortal(componentOrTemplateRef, null, {
							 | 
						|
								                $implicit: _config.data,
							 | 
						|
								                bottomSheetRef: ref
							 | 
						|
								            }));
							 | 
						|
								        }
							 | 
						|
								        else {
							 | 
						|
								            const portal = new ComponentPortal(componentOrTemplateRef, undefined, this._createInjector(_config, ref));
							 | 
						|
								            const contentRef = container.attachComponentPortal(portal);
							 | 
						|
								            ref.instance = contentRef.instance;
							 | 
						|
								        }
							 | 
						|
								        // When the bottom sheet is dismissed, clear the reference to it.
							 | 
						|
								        ref.afterDismissed().subscribe(() => {
							 | 
						|
								            // Clear the bottom sheet ref if it hasn't already been replaced by a newer one.
							 | 
						|
								            if (this._openedBottomSheetRef == ref) {
							 | 
						|
								                this._openedBottomSheetRef = null;
							 | 
						|
								            }
							 | 
						|
								        });
							 | 
						|
								        if (this._openedBottomSheetRef) {
							 | 
						|
								            // If a bottom sheet is already in view, dismiss it and enter the
							 | 
						|
								            // new bottom sheet after exit animation is complete.
							 | 
						|
								            this._openedBottomSheetRef.afterDismissed().subscribe(() => ref.containerInstance.enter());
							 | 
						|
								            this._openedBottomSheetRef.dismiss();
							 | 
						|
								        }
							 | 
						|
								        else {
							 | 
						|
								            // If no bottom sheet is in view, enter the new bottom sheet.
							 | 
						|
								            ref.containerInstance.enter();
							 | 
						|
								        }
							 | 
						|
								        this._openedBottomSheetRef = ref;
							 | 
						|
								        return ref;
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Dismisses the currently-visible bottom sheet.
							 | 
						|
								     * @param result Data to pass to the bottom sheet instance.
							 | 
						|
								     */
							 | 
						|
								    dismiss(result) {
							 | 
						|
								        if (this._openedBottomSheetRef) {
							 | 
						|
								            this._openedBottomSheetRef.dismiss(result);
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								    ngOnDestroy() {
							 | 
						|
								        if (this._bottomSheetRefAtThisLevel) {
							 | 
						|
								            this._bottomSheetRefAtThisLevel.dismiss();
							 | 
						|
								        }
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Attaches the bottom sheet container component to the overlay.
							 | 
						|
								     */
							 | 
						|
								    _attachContainer(overlayRef, config) {
							 | 
						|
								        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
							 | 
						|
								        const injector = Injector.create({
							 | 
						|
								            parent: userInjector || this._injector,
							 | 
						|
								            providers: [{ provide: MatBottomSheetConfig, useValue: config }]
							 | 
						|
								        });
							 | 
						|
								        const containerPortal = new ComponentPortal(MatBottomSheetContainer, config.viewContainerRef, injector);
							 | 
						|
								        const containerRef = overlayRef.attach(containerPortal);
							 | 
						|
								        return containerRef.instance;
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Creates a new overlay and places it in the correct location.
							 | 
						|
								     * @param config The user-specified bottom sheet config.
							 | 
						|
								     */
							 | 
						|
								    _createOverlay(config) {
							 | 
						|
								        const overlayConfig = new OverlayConfig({
							 | 
						|
								            direction: config.direction,
							 | 
						|
								            hasBackdrop: config.hasBackdrop,
							 | 
						|
								            disposeOnNavigation: config.closeOnNavigation,
							 | 
						|
								            maxWidth: '100%',
							 | 
						|
								            scrollStrategy: config.scrollStrategy || this._overlay.scrollStrategies.block(),
							 | 
						|
								            positionStrategy: this._overlay.position().global().centerHorizontally().bottom('0')
							 | 
						|
								        });
							 | 
						|
								        if (config.backdropClass) {
							 | 
						|
								            overlayConfig.backdropClass = config.backdropClass;
							 | 
						|
								        }
							 | 
						|
								        return this._overlay.create(overlayConfig);
							 | 
						|
								    }
							 | 
						|
								    /**
							 | 
						|
								     * Creates an injector to be used inside of a bottom sheet component.
							 | 
						|
								     * @param config Config that was used to create the bottom sheet.
							 | 
						|
								     * @param bottomSheetRef Reference to the bottom sheet.
							 | 
						|
								     */
							 | 
						|
								    _createInjector(config, bottomSheetRef) {
							 | 
						|
								        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
							 | 
						|
								        const providers = [
							 | 
						|
								            { provide: MatBottomSheetRef, useValue: bottomSheetRef },
							 | 
						|
								            { provide: MAT_BOTTOM_SHEET_DATA, useValue: config.data }
							 | 
						|
								        ];
							 | 
						|
								        if (config.direction && (!userInjector ||
							 | 
						|
								            !userInjector.get(Directionality, null, InjectFlags.Optional))) {
							 | 
						|
								            providers.push({
							 | 
						|
								                provide: Directionality,
							 | 
						|
								                useValue: { value: config.direction, change: of() }
							 | 
						|
								            });
							 | 
						|
								        }
							 | 
						|
								        return Injector.create({ parent: userInjector || this._injector, providers });
							 | 
						|
								    }
							 | 
						|
								}
							 | 
						|
								MatBottomSheet.ɵfac = function MatBottomSheet_Factory(t) { return new (t || MatBottomSheet)(ɵngcc0.ɵɵinject(ɵngcc4.Overlay), ɵngcc0.ɵɵinject(ɵngcc0.Injector), ɵngcc0.ɵɵinject(MatBottomSheet, 12), ɵngcc0.ɵɵinject(MAT_BOTTOM_SHEET_DEFAULT_OPTIONS, 8)); };
							 | 
						|
								MatBottomSheet.ɵprov = i0.ɵɵdefineInjectable({ factory: function MatBottomSheet_Factory() { return new MatBottomSheet(i0.ɵɵinject(i1.Overlay), i0.ɵɵinject(i0.INJECTOR), i0.ɵɵinject(MatBottomSheet, 12), i0.ɵɵinject(MAT_BOTTOM_SHEET_DEFAULT_OPTIONS, 8)); }, token: MatBottomSheet, providedIn: MatBottomSheetModule });
							 | 
						|
								MatBottomSheet.ctorParameters = () => [
							 | 
						|
								    { type: Overlay },
							 | 
						|
								    { type: Injector },
							 | 
						|
								    { type: MatBottomSheet, decorators: [{ type: Optional }, { type: SkipSelf }] },
							 | 
						|
								    { type: MatBottomSheetConfig, decorators: [{ type: Optional }, { type: Inject, args: [MAT_BOTTOM_SHEET_DEFAULT_OPTIONS,] }] }
							 | 
						|
								];
							 | 
						|
								(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatBottomSheet, [{
							 | 
						|
								        type: Injectable,
							 | 
						|
								        args: [{ providedIn: MatBottomSheetModule }]
							 | 
						|
								    }], function () { return [{ type: ɵngcc4.Overlay }, { type: ɵngcc0.Injector }, { type: MatBottomSheet, decorators: [{
							 | 
						|
								                type: Optional
							 | 
						|
								            }, {
							 | 
						|
								                type: SkipSelf
							 | 
						|
								            }] }, { type: MatBottomSheetConfig, decorators: [{
							 | 
						|
								                type: Optional
							 | 
						|
								            }, {
							 | 
						|
								                type: Inject,
							 | 
						|
								                args: [MAT_BOTTOM_SHEET_DEFAULT_OPTIONS]
							 | 
						|
								            }] }]; }, null); })();
							 | 
						|
								/**
							 | 
						|
								 * Applies default options to the bottom sheet config.
							 | 
						|
								 * @param defaults Object containing the default values to which to fall back.
							 | 
						|
								 * @param config The configuration to which the defaults will be applied.
							 | 
						|
								 * @returns The new configuration object with defaults applied.
							 | 
						|
								 */
							 | 
						|
								function _applyConfigDefaults(defaults, config) {
							 | 
						|
								    return Object.assign(Object.assign({}, defaults), config);
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								/**
							 | 
						|
								 * @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
							 | 
						|
								 */
							 | 
						|
								
							 | 
						|
								/**
							 | 
						|
								 * Generated bundle index. Do not edit.
							 | 
						|
								 */
							 | 
						|
								
							 | 
						|
								export { MAT_BOTTOM_SHEET_DATA, MAT_BOTTOM_SHEET_DEFAULT_OPTIONS, MatBottomSheet, MatBottomSheetConfig, MatBottomSheetContainer, MatBottomSheetModule, MatBottomSheetRef, matBottomSheetAnimations };
							 | 
						|
								
							 | 
						|
								//# sourceMappingURL=bottom-sheet.js.map
							 |