source: trip-planner-front/node_modules/@angular/material/fesm2015/dialog.js@ 6a3a178

import { Overlay, OverlayConfig, OverlayContainer, OverlayModule } from '@angular/cdk/overlay';
import { BasePortalOutlet, CdkPortalOutlet, ComponentPortal, TemplatePortal, PortalModule } from '@angular/cdk/portal';
import { EventEmitter, Directive, ElementRef, ChangeDetectorRef, Optional, Inject, ViewChild, Component, ViewEncapsulation, ChangeDetectionStrategy, InjectionToken, Injector, TemplateRef, InjectFlags, Type, Injectable, SkipSelf, Input, NgModule } from '@angular/core';
import { MatCommonModule } from '@angular/material/core';
import { Directionality } from '@angular/cdk/bidi';
import { DOCUMENT, Location } from '@angular/common';
import { Subject, defer, of } from 'rxjs';
import { filter, take, startWith } from 'rxjs/operators';
import { FocusTrapFactory, FocusMonitor } from '@angular/cdk/a11y';
import { _getFocusedElementPierceShadowDom } from '@angular/cdk/platform';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';

/**
 * @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
 */
/**
 * Configuration for opening a modal dialog with the MatDialog service.
 */
class MatDialogConfig {
    constructor() {
        /** The ARIA role of the dialog element. */
        this.role = 'dialog';
        /** Custom class for the overlay pane. */
        this.panelClass = '';
        /** Whether the dialog has a backdrop. */
        this.hasBackdrop = true;
        /** Custom class for the backdrop. */
        this.backdropClass = '';
        /** Whether the user can use escape or clicking on the backdrop to close the modal. */
        this.disableClose = false;
        /** Width of the dialog. */
        this.width = '';
        /** Height of the dialog. */
        this.height = '';
        /** Max-width of the dialog. If a number is provided, assumes pixel units. Defaults to 80vw. */
        this.maxWidth = '80vw';
        /** Data being injected into the child component. */
        this.data = null;
        /** ID of the element that describes the dialog. */
        this.ariaDescribedBy = null;
        /** ID of the element that labels the dialog. */
        this.ariaLabelledBy = null;
        /** Aria label to assign to the dialog element. */
        this.ariaLabel = null;
        /** Whether the dialog should focus the first focusable element on open. */
        this.autoFocus = true;
        /**
         * Whether the dialog should restore focus to the
         * previously-focused element, after it's closed.
         */
        this.restoreFocus = true;
        /**
         * Whether the dialog should close when the user goes backwards/forwards in history.
         * Note that this usually doesn't include clicking on links (unless the user is using
         * the `HashLocationStrategy`).
         */
        this.closeOnNavigation = true;
        // TODO(jelbourn): add configuration for lifecycle hooks, ARIA labelling.
    }
}

/**
 * @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
 */
/**
 * Animations used by MatDialog.
 * @docs-private
 */
const matDialogAnimations = {
    /** Animation that is applied on the dialog container by default. */
    dialogContainer: trigger('dialogContainer', [
        // Note: The `enter` animation transitions to `transform: none`, because for some reason
        // specifying the transform explicitly, causes IE both to blur the dialog content and
        // decimate the animation performance. Leaving it as `none` solves both issues.
        state('void, exit', style({ opacity: 0, transform: 'scale(0.7)' })),
        state('enter', style({ transform: 'none' })),
        transition('* => enter', animate('150ms cubic-bezier(0, 0, 0.2, 1)', style({ transform: 'none', opacity: 1 }))),
        transition('* => void, * => exit', animate('75ms cubic-bezier(0.4, 0.0, 0.2, 1)', style({ opacity: 0 }))),
    ])
};

/**
 * @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
 */
/**
 * Throws an exception for the case when a ComponentPortal is
 * attached to a DomPortalOutlet without an origin.
 * @docs-private
 */
function throwMatDialogContentAlreadyAttachedError() {
    throw Error('Attempting to attach dialog content after content is already attached');
}
/**
 * Base class for the `MatDialogContainer`. The base class does not implement
 * animations as these are left to implementers of the dialog container.
 */
class _MatDialogContainerBase extends BasePortalOutlet {
    constructor(_elementRef, _focusTrapFactory, _changeDetectorRef, _document, 
    /** The dialog configuration. */
    _config, _focusMonitor) {
        super();
        this._elementRef = _elementRef;
        this._focusTrapFactory = _focusTrapFactory;
        this._changeDetectorRef = _changeDetectorRef;
        this._config = _config;
        this._focusMonitor = _focusMonitor;
        /** Emits when an animation state changes. */
        this._animationStateChanged = new EventEmitter();
        /** Element that was focused before the dialog was opened. Save this to restore upon close. */
        this._elementFocusedBeforeDialogWasOpened = null;
        /**
         * Type of interaction that led to the dialog being closed. This is used to determine
         * whether the focus style will be applied when returning focus to its original location
         * after the dialog is closed.
         */
        this._closeInteractionType = null;
        /**
         * Attaches a DOM portal to the dialog container.
         * @param portal Portal to be attached.
         * @deprecated To be turned into a method.
         * @breaking-change 10.0.0
         */
        this.attachDomPortal = (portal) => {
            if (this._portalOutlet.hasAttached() && (typeof ngDevMode === 'undefined' || ngDevMode)) {
                throwMatDialogContentAlreadyAttachedError();
            }
            return this._portalOutlet.attachDomPortal(portal);
        };
        this._ariaLabelledBy = _config.ariaLabelledBy || null;
        this._document = _document;
    }
    /** Initializes the dialog container with the attached content. */
    _initializeWithAttachedContent() {
        this._setupFocusTrap();
        // Save the previously focused element. This element will be re-focused
        // when the dialog closes.
        this._capturePreviouslyFocusedElement();
        // Move focus onto the dialog immediately in order to prevent the user
        // from accidentally opening multiple dialogs at the same time.
        this._focusDialogContainer();
    }
    /**
     * Attach a ComponentPortal as content to this dialog container.
     * @param portal Portal to be attached as the dialog content.
     */
    attachComponentPortal(portal) {
        if (this._portalOutlet.hasAttached() && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throwMatDialogContentAlreadyAttachedError();
        }
        return this._portalOutlet.attachComponentPortal(portal);
    }
    /**
     * Attach a TemplatePortal as content to this dialog container.
     * @param portal Portal to be attached as the dialog content.
     */
    attachTemplatePortal(portal) {
        if (this._portalOutlet.hasAttached() && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throwMatDialogContentAlreadyAttachedError();
        }
        return this._portalOutlet.attachTemplatePortal(portal);
    }
    /** Moves focus back into the dialog if it was moved out. */
    _recaptureFocus() {
        if (!this._containsFocus()) {
            const focusContainer = !this._config.autoFocus || !this._focusTrap.focusInitialElement();
            if (focusContainer) {
                this._elementRef.nativeElement.focus();
            }
        }
    }
    /** Moves the focus inside the focus trap. */
    _trapFocus() {
        // If we were to attempt to focus immediately, then the content of the dialog would not yet be
        // ready in instances where change detection has to run first. To deal with this, we simply
        // wait for the microtask queue to be empty.
        if (this._config.autoFocus) {
            this._focusTrap.focusInitialElementWhenReady();
        }
        else if (!this._containsFocus()) {
            // Otherwise ensure that focus is on the dialog container. It's possible that a different
            // component tried to move focus while the open animation was running. See:
            // https://github.com/angular/components/issues/16215. Note that we only want to do this
            // if the focus isn't inside the dialog already, because it's possible that the consumer
            // turned off `autoFocus` in order to move focus themselves.
            this._elementRef.nativeElement.focus();
        }
    }
    /** Restores focus to the element that was focused before the dialog opened. */
    _restoreFocus() {
        const previousElement = this._elementFocusedBeforeDialogWasOpened;
        // We need the extra check, because IE can set the `activeElement` to null in some cases.
        if (this._config.restoreFocus && previousElement &&
            typeof previousElement.focus === 'function') {
            const activeElement = _getFocusedElementPierceShadowDom();
            const element = this._elementRef.nativeElement;
            // Make sure that focus is still inside the dialog or is on the body (usually because a
            // non-focusable element like the backdrop was clicked) before moving it. It's possible that
            // the consumer moved it themselves before the animation was done, in which case we shouldn't
            // do anything.
            if (!activeElement || activeElement === this._document.body || activeElement === element ||
                element.contains(activeElement)) {
                if (this._focusMonitor) {
                    this._focusMonitor.focusVia(previousElement, this._closeInteractionType);
                    this._closeInteractionType = null;
                }
                else {
                    previousElement.focus();
                }
            }
        }
        if (this._focusTrap) {
            this._focusTrap.destroy();
        }
    }
    /** Sets up the focus trap. */
    _setupFocusTrap() {
        this._focusTrap = this._focusTrapFactory.create(this._elementRef.nativeElement);
    }
    /** Captures the element that was focused before the dialog was opened. */
    _capturePreviouslyFocusedElement() {
        if (this._document) {
            this._elementFocusedBeforeDialogWasOpened = _getFocusedElementPierceShadowDom();
        }
    }
    /** Focuses the dialog container. */
    _focusDialogContainer() {
        // Note that there is no focus method when rendering on the server.
        if (this._elementRef.nativeElement.focus) {
            this._elementRef.nativeElement.focus();
        }
    }
    /** Returns whether focus is inside the dialog. */
    _containsFocus() {
        const element = this._elementRef.nativeElement;
        const activeElement = _getFocusedElementPierceShadowDom();
        return element === activeElement || element.contains(activeElement);
    }
}
_MatDialogContainerBase.decorators = [
    { type: Directive }
];
_MatDialogContainerBase.ctorParameters = () => [
    { type: ElementRef },
    { type: FocusTrapFactory },
    { type: ChangeDetectorRef },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },
    { type: MatDialogConfig },
    { type: FocusMonitor }
];
_MatDialogContainerBase.propDecorators = {
    _portalOutlet: [{ type: ViewChild, args: [CdkPortalOutlet, { static: true },] }]
};
/**
 * Internal component that wraps user-provided dialog content.
 * Animation is based on https://material.io/guidelines/motion/choreography.html.
 * @docs-private
 */
class MatDialogContainer extends _MatDialogContainerBase {
    constructor() {
        super(...arguments);
        /** State of the dialog animation. */
        this._state = 'enter';
    }
    /** Callback, invoked whenever an animation on the host completes. */
    _onAnimationDone({ toState, totalTime }) {
        if (toState === 'enter') {
            this._trapFocus();
            this._animationStateChanged.next({ state: 'opened', totalTime });
        }
        else if (toState === 'exit') {
            this._restoreFocus();
            this._animationStateChanged.next({ state: 'closed', totalTime });
        }
    }
    /** Callback, invoked when an animation on the host starts. */
    _onAnimationStart({ toState, totalTime }) {
        if (toState === 'enter') {
            this._animationStateChanged.next({ state: 'opening', totalTime });
        }
        else if (toState === 'exit' || toState === 'void') {
            this._animationStateChanged.next({ state: 'closing', totalTime });
        }
    }
    /** Starts the dialog exit animation. */
    _startExitAnimation() {
        this._state = 'exit';
        // Mark the container for check so it can react if the
        // view container is using OnPush change detection.
        this._changeDetectorRef.markForCheck();
    }
}
MatDialogContainer.decorators = [
    { type: Component, args: [{
                selector: 'mat-dialog-container',
                template: "<ng-template cdkPortalOutlet></ng-template>\n",
                encapsulation: ViewEncapsulation.None,
                // Using OnPush for dialogs caused some G3 sync issues. Disabled until we can track them down.
                // tslint:disable-next-line:validate-decorators
                changeDetection: ChangeDetectionStrategy.Default,
                animations: [matDialogAnimations.dialogContainer],
                host: {
                    'class': 'mat-dialog-container',
                    'tabindex': '-1',
                    'aria-modal': 'true',
                    '[id]': '_id',
                    '[attr.role]': '_config.role',
                    '[attr.aria-labelledby]': '_config.ariaLabel ? null : _ariaLabelledBy',
                    '[attr.aria-label]': '_config.ariaLabel',
                    '[attr.aria-describedby]': '_config.ariaDescribedBy || null',
                    '[@dialogContainer]': '_state',
                    '(@dialogContainer.start)': '_onAnimationStart($event)',
                    '(@dialogContainer.done)': '_onAnimationDone($event)',
                },
                styles: [".mat-dialog-container{display:block;padding:24px;border-radius:4px;box-sizing:border-box;overflow:auto;outline:0;width:100%;height:100%;min-height:inherit;max-height:inherit}.cdk-high-contrast-active .mat-dialog-container{outline:solid 1px}.mat-dialog-content{display:block;margin:0 -24px;padding:0 24px;max-height:65vh;overflow:auto;-webkit-overflow-scrolling:touch}.mat-dialog-title{margin:0 0 20px;display:block}.mat-dialog-actions{padding:8px 0;display:flex;flex-wrap:wrap;min-height:52px;align-items:center;box-sizing:content-box;margin-bottom:-24px}.mat-dialog-actions[align=end]{justify-content:flex-end}.mat-dialog-actions[align=center]{justify-content:center}.mat-dialog-actions .mat-button-base+.mat-button-base,.mat-dialog-actions .mat-mdc-button-base+.mat-mdc-button-base{margin-left:8px}[dir=rtl] .mat-dialog-actions .mat-button-base+.mat-button-base,[dir=rtl] .mat-dialog-actions .mat-mdc-button-base+.mat-mdc-button-base{margin-left:0;margin-right:8px}\n"]
            },] }
];

/**
 * @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
 */
// TODO(jelbourn): resizing
// Counter for unique dialog ids.
let uniqueId = 0;
/**
 * Reference to a dialog opened via the MatDialog service.
 */
class MatDialogRef {
    constructor(_overlayRef, _containerInstance, 
    /** Id of the dialog. */
    id = `mat-dialog-${uniqueId++}`) {
        this._overlayRef = _overlayRef;
        this._containerInstance = _containerInstance;
        this.id = id;
        /** Whether the user is allowed to close the dialog. */
        this.disableClose = this._containerInstance._config.disableClose;
        /** Subject for notifying the user that the dialog has finished opening. */
        this._afterOpened = new Subject();
        /** Subject for notifying the user that the dialog has finished closing. */
        this._afterClosed = new Subject();
        /** Subject for notifying the user that the dialog has started closing. */
        this._beforeClosed = new Subject();
        /** Current state of the dialog. */
        this._state = 0 /* OPEN */;
        // Pass the id along to the container.
        _containerInstance._id = id;
        // Emit when opening animation completes
        _containerInstance._animationStateChanged.pipe(filter(event => event.state === 'opened'), take(1))
            .subscribe(() => {
            this._afterOpened.next();
            this._afterOpened.complete();
        });
        // Dispose overlay when closing animation is complete
        _containerInstance._animationStateChanged.pipe(filter(event => event.state === 'closed'), take(1)).subscribe(() => {
            clearTimeout(this._closeFallbackTimeout);
            this._finishDialogClose();
        });
        _overlayRef.detachments().subscribe(() => {
            this._beforeClosed.next(this._result);
            this._beforeClosed.complete();
            this._afterClosed.next(this._result);
            this._afterClosed.complete();
            this.componentInstance = null;
            this._overlayRef.dispose();
        });
        _overlayRef.keydownEvents()
            .pipe(filter(event => {
            return event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event);
        }))
            .subscribe(event => {
            event.preventDefault();
            _closeDialogVia(this, 'keyboard');
        });
        _overlayRef.backdropClick().subscribe(() => {
            if (this.disableClose) {
                this._containerInstance._recaptureFocus();
            }
            else {
                _closeDialogVia(this, 'mouse');
            }
        });
    }
    /**
     * Close the dialog.
     * @param dialogResult Optional result to return to the dialog opener.
     */
    close(dialogResult) {
        this._result = dialogResult;
        // Transition the backdrop in parallel to the dialog.
        this._containerInstance._animationStateChanged.pipe(filter(event => event.state === 'closing'), take(1))
            .subscribe(event => {
            this._beforeClosed.next(dialogResult);
            this._beforeClosed.complete();
            this._overlayRef.detachBackdrop();
            // 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 the chance to fire.
            this._closeFallbackTimeout = setTimeout(() => this._finishDialogClose(), event.totalTime + 100);
        });
        this._state = 1 /* CLOSING */;
        this._containerInstance._startExitAnimation();
    }
    /**
     * Gets an observable that is notified when the dialog is finished opening.
     */
    afterOpened() {
        return this._afterOpened;
    }
    /**
     * Gets an observable that is notified when the dialog is finished closing.
     */
    afterClosed() {
        return this._afterClosed;
    }
    /**
     * Gets an observable that is notified when the dialog has started closing.
     */
    beforeClosed() {
        return this._beforeClosed;
    }
    /**
     * 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();
    }
    /**
     * Updates the dialog's position.
     * @param position New dialog position.
     */
    updatePosition(position) {
        let strategy = this._getPositionStrategy();
        if (position && (position.left || position.right)) {
            position.left ? strategy.left(position.left) : strategy.right(position.right);
        }
        else {
            strategy.centerHorizontally();
        }
        if (position && (position.top || position.bottom)) {
            position.top ? strategy.top(position.top) : strategy.bottom(position.bottom);
        }
        else {
            strategy.centerVertically();
        }
        this._overlayRef.updatePosition();
        return this;
    }
    /**
     * Updates the dialog's width and height.
     * @param width New width of the dialog.
     * @param height New height of the dialog.
     */
    updateSize(width = '', height = '') {
        this._overlayRef.updateSize({ width, height });
        this._overlayRef.updatePosition();
        return this;
    }
    /** Add a CSS class or an array of classes to the overlay pane. */
    addPanelClass(classes) {
        this._overlayRef.addPanelClass(classes);
        return this;
    }
    /** Remove a CSS class or an array of classes from the overlay pane. */
    removePanelClass(classes) {
        this._overlayRef.removePanelClass(classes);
        return this;
    }
    /** Gets the current state of the dialog's lifecycle. */
    getState() {
        return this._state;
    }
    /**
     * Finishes the dialog close by updating the state of the dialog
     * and disposing the overlay.
     */
    _finishDialogClose() {
        this._state = 2 /* CLOSED */;
        this._overlayRef.dispose();
    }
    /** Fetches the position strategy object from the overlay ref. */
    _getPositionStrategy() {
        return this._overlayRef.getConfig().positionStrategy;
    }
}
/**
 * Closes the dialog with the specified interaction type. This is currently not part of
 * `MatDialogRef` as that would conflict with custom dialog ref mocks provided in tests.
 * More details. See: https://github.com/angular/components/pull/9257#issuecomment-651342226.
 */
// TODO: TODO: Move this back into `MatDialogRef` when we provide an official mock dialog ref.
function _closeDialogVia(ref, interactionType, result) {
    // Some mock dialog ref instances in tests do not have the `_containerInstance` property.
    // For those, we keep the behavior as is and do not deal with the interaction type.
    if (ref._containerInstance !== undefined) {
        ref._containerInstance._closeInteractionType = interactionType;
    }
    return ref.close(result);
}

/**
 * @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 access the data that was passed in to a dialog. */
const MAT_DIALOG_DATA = new InjectionToken('MatDialogData');
/** Injection token that can be used to specify default dialog options. */
const MAT_DIALOG_DEFAULT_OPTIONS = new InjectionToken('mat-dialog-default-options');
/** Injection token that determines the scroll handling while the dialog is open. */
const MAT_DIALOG_SCROLL_STRATEGY = new InjectionToken('mat-dialog-scroll-strategy');
/** @docs-private */
function MAT_DIALOG_SCROLL_STRATEGY_FACTORY(overlay) {
    return () => overlay.scrollStrategies.block();
}
/** @docs-private */
function MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {
    return () => overlay.scrollStrategies.block();
}
/** @docs-private */
const MAT_DIALOG_SCROLL_STRATEGY_PROVIDER = {
    provide: MAT_DIALOG_SCROLL_STRATEGY,
    deps: [Overlay],
    useFactory: MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY,
};
/**
 * Base class for dialog services. The base dialog service allows
 * for arbitrary dialog refs and dialog container components.
 */
class _MatDialogBase {
    constructor(_overlay, _injector, _defaultOptions, _parentDialog, _overlayContainer, scrollStrategy, _dialogRefConstructor, _dialogContainerType, _dialogDataToken) {
        this._overlay = _overlay;
        this._injector = _injector;
        this._defaultOptions = _defaultOptions;
        this._parentDialog = _parentDialog;
        this._overlayContainer = _overlayContainer;
        this._dialogRefConstructor = _dialogRefConstructor;
        this._dialogContainerType = _dialogContainerType;
        this._dialogDataToken = _dialogDataToken;
        this._openDialogsAtThisLevel = [];
        this._afterAllClosedAtThisLevel = new Subject();
        this._afterOpenedAtThisLevel = new Subject();
        this._ariaHiddenElements = new Map();
        // TODO (jelbourn): tighten the typing right-hand side of this expression.
        /**
         * Stream that emits when all open dialog have finished closing.
         * Will emit on subscribe if there are no open dialogs to begin with.
         */
        this.afterAllClosed = defer(() => this.openDialogs.length ?
            this._getAfterAllClosed() :
            this._getAfterAllClosed().pipe(startWith(undefined)));
        this._scrollStrategy = scrollStrategy;
    }
    /** Keeps track of the currently-open dialogs. */
    get openDialogs() {
        return this._parentDialog ? this._parentDialog.openDialogs : this._openDialogsAtThisLevel;
    }
    /** Stream that emits when a dialog has been opened. */
    get afterOpened() {
        return this._parentDialog ? this._parentDialog.afterOpened : this._afterOpenedAtThisLevel;
    }
    _getAfterAllClosed() {
        const parent = this._parentDialog;
        return parent ? parent._getAfterAllClosed() : this._afterAllClosedAtThisLevel;
    }
    open(componentOrTemplateRef, config) {
        config = _applyConfigDefaults(config, this._defaultOptions || new MatDialogConfig());
        if (config.id && this.getDialogById(config.id) &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw Error(`Dialog with id "${config.id}" exists already. The dialog id must be unique.`);
        }
        const overlayRef = this._createOverlay(config);
        const dialogContainer = this._attachDialogContainer(overlayRef, config);
        const dialogRef = this._attachDialogContent(componentOrTemplateRef, dialogContainer, overlayRef, config);
        // If this is the first dialog that we're opening, hide all the non-overlay content.
        if (!this.openDialogs.length) {
            this._hideNonDialogContentFromAssistiveTechnology();
        }
        this.openDialogs.push(dialogRef);
        dialogRef.afterClosed().subscribe(() => this._removeOpenDialog(dialogRef));
        this.afterOpened.next(dialogRef);
        // Notify the dialog container that the content has been attached.
        dialogContainer._initializeWithAttachedContent();
        return dialogRef;
    }
    /**
     * Closes all of the currently-open dialogs.
     */
    closeAll() {
        this._closeDialogs(this.openDialogs);
    }
    /**
     * Finds an open dialog by its id.
     * @param id ID to use when looking up the dialog.
     */
    getDialogById(id) {
        return this.openDialogs.find(dialog => dialog.id === id);
    }
    ngOnDestroy() {
        // Only close the dialogs at this level on destroy
        // since the parent service may still be active.
        this._closeDialogs(this._openDialogsAtThisLevel);
        this._afterAllClosedAtThisLevel.complete();
        this._afterOpenedAtThisLevel.complete();
    }
    /**
     * Creates the overlay into which the dialog will be loaded.
     * @param config The dialog configuration.
     * @returns A promise resolving to the OverlayRef for the created overlay.
     */
    _createOverlay(config) {
        const overlayConfig = this._getOverlayConfig(config);
        return this._overlay.create(overlayConfig);
    }
    /**
     * Creates an overlay config from a dialog config.
     * @param dialogConfig The dialog configuration.
     * @returns The overlay configuration.
     */
    _getOverlayConfig(dialogConfig) {
        const state = new OverlayConfig({
            positionStrategy: this._overlay.position().global(),
            scrollStrategy: dialogConfig.scrollStrategy || this._scrollStrategy(),
            panelClass: dialogConfig.panelClass,
            hasBackdrop: dialogConfig.hasBackdrop,
            direction: dialogConfig.direction,
            minWidth: dialogConfig.minWidth,
            minHeight: dialogConfig.minHeight,
            maxWidth: dialogConfig.maxWidth,
            maxHeight: dialogConfig.maxHeight,
            disposeOnNavigation: dialogConfig.closeOnNavigation
        });
        if (dialogConfig.backdropClass) {
            state.backdropClass = dialogConfig.backdropClass;
        }
        return state;
    }
    /**
     * Attaches a dialog container to a dialog's already-created overlay.
     * @param overlay Reference to the dialog's underlying overlay.
     * @param config The dialog configuration.
     * @returns A promise resolving to a ComponentRef for the attached container.
     */
    _attachDialogContainer(overlay, config) {
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        const injector = Injector.create({
            parent: userInjector || this._injector,
            providers: [{ provide: MatDialogConfig, useValue: config }]
        });
        const containerPortal = new ComponentPortal(this._dialogContainerType, config.viewContainerRef, injector, config.componentFactoryResolver);
        const containerRef = overlay.attach(containerPortal);
        return containerRef.instance;
    }
    /**
     * Attaches the user-provided component to the already-created dialog container.
     * @param componentOrTemplateRef The type of component being loaded into the dialog,
     *     or a TemplateRef to instantiate as the content.
     * @param dialogContainer Reference to the wrapping dialog container.
     * @param overlayRef Reference to the overlay in which the dialog resides.
     * @param config The dialog configuration.
     * @returns A promise resolving to the MatDialogRef that should be returned to the user.
     */
    _attachDialogContent(componentOrTemplateRef, dialogContainer, overlayRef, config) {
        // Create a reference to the dialog we're creating in order to give the user a handle
        // to modify and close it.
        const dialogRef = new this._dialogRefConstructor(overlayRef, dialogContainer, config.id);
        if (componentOrTemplateRef instanceof TemplateRef) {
            dialogContainer.attachTemplatePortal(new TemplatePortal(componentOrTemplateRef, null, { $implicit: config.data, dialogRef }));
        }
        else {
            const injector = this._createInjector(config, dialogRef, dialogContainer);
            const contentRef = dialogContainer.attachComponentPortal(new ComponentPortal(componentOrTemplateRef, config.viewContainerRef, injector));
            dialogRef.componentInstance = contentRef.instance;
        }
        dialogRef
            .updateSize(config.width, config.height)
            .updatePosition(config.position);
        return dialogRef;
    }
    /**
     * Creates a custom injector to be used inside the dialog. This allows a component loaded inside
     * of a dialog to close itself and, optionally, to return a value.
     * @param config Config object that is used to construct the dialog.
     * @param dialogRef Reference to the dialog.
     * @param dialogContainer Dialog container element that wraps all of the contents.
     * @returns The custom injector that can be used inside the dialog.
     */
    _createInjector(config, dialogRef, dialogContainer) {
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        // The dialog container should be provided as the dialog container and the dialog's
        // content are created out of the same `ViewContainerRef` and as such, are siblings
        // for injector purposes. To allow the hierarchy that is expected, the dialog
        // container is explicitly provided in the injector.
        const providers = [
            { provide: this._dialogContainerType, useValue: dialogContainer },
            { provide: this._dialogDataToken, useValue: config.data },
            { provide: this._dialogRefConstructor, useValue: dialogRef }
        ];
        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 });
    }
    /**
     * Removes a dialog from the array of open dialogs.
     * @param dialogRef Dialog to be removed.
     */
    _removeOpenDialog(dialogRef) {
        const index = this.openDialogs.indexOf(dialogRef);
        if (index > -1) {
            this.openDialogs.splice(index, 1);
            // If all the dialogs were closed, remove/restore the `aria-hidden`
            // to a the siblings and emit to the `afterAllClosed` stream.
            if (!this.openDialogs.length) {
                this._ariaHiddenElements.forEach((previousValue, element) => {
                    if (previousValue) {
                        element.setAttribute('aria-hidden', previousValue);
                    }
                    else {
                        element.removeAttribute('aria-hidden');
                    }
                });
                this._ariaHiddenElements.clear();
                this._getAfterAllClosed().next();
            }
        }
    }
    /**
     * Hides all of the content that isn't an overlay from assistive technology.
     */
    _hideNonDialogContentFromAssistiveTechnology() {
        const overlayContainer = this._overlayContainer.getContainerElement();
        // Ensure that the overlay container is attached to the DOM.
        if (overlayContainer.parentElement) {
            const siblings = overlayContainer.parentElement.children;
            for (let i = siblings.length - 1; i > -1; i--) {
                let sibling = siblings[i];
                if (sibling !== overlayContainer &&
                    sibling.nodeName !== 'SCRIPT' &&
                    sibling.nodeName !== 'STYLE' &&
                    !sibling.hasAttribute('aria-live')) {
                    this._ariaHiddenElements.set(sibling, sibling.getAttribute('aria-hidden'));
                    sibling.setAttribute('aria-hidden', 'true');
                }
            }
        }
    }
    /** Closes all of the dialogs in an array. */
    _closeDialogs(dialogs) {
        let i = dialogs.length;
        while (i--) {
            // The `_openDialogs` property isn't updated after close until the rxjs subscription
            // runs on the next microtask, in addition to modifying the array as we're going
            // through it. We loop through all of them and call close without assuming that
            // they'll be removed from the list instantaneously.
            dialogs[i].close();
        }
    }
}
_MatDialogBase.decorators = [
    { type: Directive }
];
_MatDialogBase.ctorParameters = () => [
    { type: Overlay },
    { type: Injector },
    { type: undefined },
    { type: undefined },
    { type: OverlayContainer },
    { type: undefined },
    { type: Type },
    { type: Type },
    { type: InjectionToken }
];
/**
 * Service to open Material Design modal dialogs.
 */
class MatDialog extends _MatDialogBase {
    constructor(overlay, injector, 
    /**
     * @deprecated `_location` parameter to be removed.
     * @breaking-change 10.0.0
     */
    location, defaultOptions, scrollStrategy, parentDialog, overlayContainer) {
        super(overlay, injector, defaultOptions, parentDialog, overlayContainer, scrollStrategy, MatDialogRef, MatDialogContainer, MAT_DIALOG_DATA);
    }
}
MatDialog.decorators = [
    { type: Injectable }
];
MatDialog.ctorParameters = () => [
    { type: Overlay },
    { type: Injector },
    { type: Location, decorators: [{ type: Optional }] },
    { type: MatDialogConfig, decorators: [{ type: Optional }, { type: Inject, args: [MAT_DIALOG_DEFAULT_OPTIONS,] }] },
    { type: undefined, decorators: [{ type: Inject, args: [MAT_DIALOG_SCROLL_STRATEGY,] }] },
    { type: MatDialog, decorators: [{ type: Optional }, { type: SkipSelf }] },
    { type: OverlayContainer }
];
/**
 * Applies default options to the dialog config.
 * @param config Config to be modified.
 * @param defaultOptions Default options provided.
 * @returns The new configuration object.
 */
function _applyConfigDefaults(config, defaultOptions) {
    return Object.assign(Object.assign({}, defaultOptions), 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
 */
/** Counter used to generate unique IDs for dialog elements. */
let dialogElementUid = 0;
/**
 * Button that will close the current dialog.
 */
class MatDialogClose {
    constructor(
    /**
     * Reference to the containing dialog.
     * @deprecated `dialogRef` property to become private.
     * @breaking-change 13.0.0
     */
    // The dialog title directive is always used in combination with a `MatDialogRef`.
    // tslint:disable-next-line: lightweight-tokens
    dialogRef, _elementRef, _dialog) {
        this.dialogRef = dialogRef;
        this._elementRef = _elementRef;
        this._dialog = _dialog;
        /** Default to "button" to prevents accidental form submits. */
        this.type = 'button';
    }
    ngOnInit() {
        if (!this.dialogRef) {
            // When this directive is included in a dialog via TemplateRef (rather than being
            // in a Component), the DialogRef isn't available via injection because embedded
            // views cannot be given a custom injector. Instead, we look up the DialogRef by
            // ID. This must occur in `onInit`, as the ID binding for the dialog container won't
            // be resolved at constructor time.
            this.dialogRef = getClosestDialog(this._elementRef, this._dialog.openDialogs);
        }
    }
    ngOnChanges(changes) {
        const proxiedChange = changes['_matDialogClose'] || changes['_matDialogCloseResult'];
        if (proxiedChange) {
            this.dialogResult = proxiedChange.currentValue;
        }
    }
    _onButtonClick(event) {
        // Determinate the focus origin using the click event, because using the FocusMonitor will
        // result in incorrect origins. Most of the time, close buttons will be auto focused in the
        // dialog, and therefore clicking the button won't result in a focus change. This means that
        // the FocusMonitor won't detect any origin change, and will always output `program`.
        _closeDialogVia(this.dialogRef, event.screenX === 0 && event.screenY === 0 ? 'keyboard' : 'mouse', this.dialogResult);
    }
}
MatDialogClose.decorators = [
    { type: Directive, args: [{
                selector: '[mat-dialog-close], [matDialogClose]',
                exportAs: 'matDialogClose',
                host: {
                    '(click)': '_onButtonClick($event)',
                    '[attr.aria-label]': 'ariaLabel || null',
                    '[attr.type]': 'type',
                }
            },] }
];
MatDialogClose.ctorParameters = () => [
    { type: MatDialogRef, decorators: [{ type: Optional }] },
    { type: ElementRef },
    { type: MatDialog }
];
MatDialogClose.propDecorators = {
    ariaLabel: [{ type: Input, args: ['aria-label',] }],
    type: [{ type: Input }],
    dialogResult: [{ type: Input, args: ['mat-dialog-close',] }],
    _matDialogClose: [{ type: Input, args: ['matDialogClose',] }]
};
/**
 * Title of a dialog element. Stays fixed to the top of the dialog when scrolling.
 */
class MatDialogTitle {
    constructor(
    // The dialog title directive is always used in combination with a `MatDialogRef`.
    // tslint:disable-next-line: lightweight-tokens
    _dialogRef, _elementRef, _dialog) {
        this._dialogRef = _dialogRef;
        this._elementRef = _elementRef;
        this._dialog = _dialog;
        /** Unique id for the dialog title. If none is supplied, it will be auto-generated. */
        this.id = `mat-dialog-title-${dialogElementUid++}`;
    }
    ngOnInit() {
        if (!this._dialogRef) {
            this._dialogRef = getClosestDialog(this._elementRef, this._dialog.openDialogs);
        }
        if (this._dialogRef) {
            Promise.resolve().then(() => {
                const container = this._dialogRef._containerInstance;
                if (container && !container._ariaLabelledBy) {
                    container._ariaLabelledBy = this.id;
                }
            });
        }
    }
}
MatDialogTitle.decorators = [
    { type: Directive, args: [{
                selector: '[mat-dialog-title], [matDialogTitle]',
                exportAs: 'matDialogTitle',
                host: {
                    'class': 'mat-dialog-title',
                    '[id]': 'id',
                },
            },] }
];
MatDialogTitle.ctorParameters = () => [
    { type: MatDialogRef, decorators: [{ type: Optional }] },
    { type: ElementRef },
    { type: MatDialog }
];
MatDialogTitle.propDecorators = {
    id: [{ type: Input }]
};
/**
 * Scrollable content container of a dialog.
 */
class MatDialogContent {
}
MatDialogContent.decorators = [
    { type: Directive, args: [{
                selector: `[mat-dialog-content], mat-dialog-content, [matDialogContent]`,
                host: { 'class': 'mat-dialog-content' }
            },] }
];
/**
 * Container for the bottom action buttons in a dialog.
 * Stays fixed to the bottom when scrolling.
 */
class MatDialogActions {
}
MatDialogActions.decorators = [
    { type: Directive, args: [{
                selector: `[mat-dialog-actions], mat-dialog-actions, [matDialogActions]`,
                host: { 'class': 'mat-dialog-actions' }
            },] }
];
/**
 * Finds the closest MatDialogRef to an element by looking at the DOM.
 * @param element Element relative to which to look for a dialog.
 * @param openDialogs References to the currently-open dialogs.
 */
function getClosestDialog(element, openDialogs) {
    let parent = element.nativeElement.parentElement;
    while (parent && !parent.classList.contains('mat-dialog-container')) {
        parent = parent.parentElement;
    }
    return parent ? openDialogs.find(dialog => dialog.id === parent.id) : null;
}

/**
 * @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 MatDialogModule {
}
MatDialogModule.decorators = [
    { type: NgModule, args: [{
                imports: [
                    OverlayModule,
                    PortalModule,
                    MatCommonModule,
                ],
                exports: [
                    MatDialogContainer,
                    MatDialogClose,
                    MatDialogTitle,
                    MatDialogContent,
                    MatDialogActions,
                    MatCommonModule,
                ],
                declarations: [
                    MatDialogContainer,
                    MatDialogClose,
                    MatDialogTitle,
                    MatDialogActions,
                    MatDialogContent,
                ],
                providers: [
                    MatDialog,
                    MAT_DIALOG_SCROLL_STRATEGY_PROVIDER,
                ],
                entryComponents: [MatDialogContainer],
            },] }
];

/**
 * @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_DIALOG_DATA, MAT_DIALOG_DEFAULT_OPTIONS, MAT_DIALOG_SCROLL_STRATEGY, MAT_DIALOG_SCROLL_STRATEGY_FACTORY, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY, MatDialog, MatDialogActions, MatDialogClose, MatDialogConfig, MatDialogContainer, MatDialogContent, MatDialogModule, MatDialogRef, MatDialogTitle, _MatDialogBase, _MatDialogContainerBase, _closeDialogVia, matDialogAnimations, throwMatDialogContentAlreadyAttachedError };
//# sourceMappingURL=dialog.js.map