/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { animate, state, style, transition, trigger } from '@angular/animations';
import { Component, ElementRef, EventEmitter, Inject, Optional, ChangeDetectorRef, ViewChild, ViewEncapsulation, ChangeDetectionStrategy, Injectable, InjectionToken, Injector, SkipSelf, TemplateRef, Directive, Input, NgModule } from '@angular/core';
import { DOCUMENT, Location, CommonModule } from '@angular/common';
import { BasePortalOutlet, CdkPortalOutlet, ComponentPortal, PortalInjector, TemplatePortal, PortalModule } from '@angular/cdk/portal';
import { FocusTrapFactory } from '@angular/cdk/a11y';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Subject, defer, of } from 'rxjs';
import { filter, take, startWith } from 'rxjs/operators';
import { Directionality } from '@angular/cdk/bidi';
import { Overlay, OverlayConfig, OverlayContainer, OverlayModule } from '@angular/cdk/overlay';
import { MatCommonModule } from '@angular/material/core';

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Configuration for opening a modal dialog with the MatDialog service.
 * @template D
 */
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, pixel units are assumed. 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.
    }
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/** @type {?} */
const animationBody = [
    // 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 }))),
];
/**
 * Animations used by MatDialog.
 * \@docs-private
 * @type {?}
 */
const matDialogAnimations = {
    /**
     * Animation that is applied on the dialog container by defalt.
     */
    dialogContainer: trigger('dialogContainer', animationBody),
    /**
     * @deprecated \@breaking-change 8.0.0 Use `matDialogAnimations.dialogContainer` instead.
     */
    slideDialog: trigger('slideDialog', animationBody)
};

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Throws an exception for the case when a ComponentPortal is
 * attached to a DomPortalOutlet without an origin.
 * \@docs-private
 * @return {?}
 */
function throwMatDialogContentAlreadyAttachedError() {
    throw Error('Attempting to attach dialog content after content is already attached');
}
/**
 * Internal component that wraps user-provided dialog content.
 * Animation is based on https://material.io/guidelines/motion/choreography.html.
 * \@docs-private
 */
class MatDialogContainer extends BasePortalOutlet {
    /**
     * @param {?} _elementRef
     * @param {?} _focusTrapFactory
     * @param {?} _changeDetectorRef
     * @param {?} _document
     * @param {?} _config
     */
    constructor(_elementRef, _focusTrapFactory, _changeDetectorRef, _document, _config) {
        super();
        this._elementRef = _elementRef;
        this._focusTrapFactory = _focusTrapFactory;
        this._changeDetectorRef = _changeDetectorRef;
        this._document = _document;
        this._config = _config;
        /**
         * Element that was focused before the dialog was opened. Save this to restore upon close.
         */
        this._elementFocusedBeforeDialogWasOpened = null;
        /**
         * State of the dialog animation.
         */
        this._state = 'enter';
        /**
         * Emits when an animation state changes.
         */
        this._animationStateChanged = new EventEmitter();
        this._ariaLabelledBy = _config.ariaLabelledBy || null;
    }
    /**
     * Attach a ComponentPortal as content to this dialog container.
     * @template T
     * @param {?} portal Portal to be attached as the dialog content.
     * @return {?}
     */
    attachComponentPortal(portal) {
        if (this._portalOutlet.hasAttached()) {
            throwMatDialogContentAlreadyAttachedError();
        }
        this._savePreviouslyFocusedElement();
        return this._portalOutlet.attachComponentPortal(portal);
    }
    /**
     * Attach a TemplatePortal as content to this dialog container.
     * @template C
     * @param {?} portal Portal to be attached as the dialog content.
     * @return {?}
     */
    attachTemplatePortal(portal) {
        if (this._portalOutlet.hasAttached()) {
            throwMatDialogContentAlreadyAttachedError();
        }
        this._savePreviouslyFocusedElement();
        return this._portalOutlet.attachTemplatePortal(portal);
    }
    /**
     * Moves the focus inside the focus trap.
     * @private
     * @return {?}
     */
    _trapFocus() {
        /** @type {?} */
        const element = this._elementRef.nativeElement;
        if (!this._focusTrap) {
            this._focusTrap = this._focusTrapFactory.create(element);
        }
        // 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 {
            /** @type {?} */
            const activeElement = this._document.activeElement;
            // 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.
            if (activeElement !== element && !element.contains(activeElement)) {
                element.focus();
            }
        }
    }
    /**
     * Restores focus to the element that was focused before the dialog opened.
     * @private
     * @return {?}
     */
    _restoreFocus() {
        /** @type {?} */
        const toFocus = this._elementFocusedBeforeDialogWasOpened;
        // We need the extra check, because IE can set the `activeElement` to null in some cases.
        if (this._config.restoreFocus && toFocus && typeof toFocus.focus === 'function') {
            toFocus.focus();
        }
        if (this._focusTrap) {
            this._focusTrap.destroy();
        }
    }
    /**
     * Saves a reference to the element that was focused before the dialog was opened.
     * @private
     * @return {?}
     */
    _savePreviouslyFocusedElement() {
        if (this._document) {
            this._elementFocusedBeforeDialogWasOpened = (/** @type {?} */ (this._document.activeElement));
            // Note that there is no focus method when rendering on the server.
            if (this._elementRef.nativeElement.focus) {
                // Move focus onto the dialog immediately in order to prevent the user from accidentally
                // opening multiple dialogs at the same time. Needs to be async, because the element
                // may not be focusable immediately.
                Promise.resolve().then((/**
                 * @return {?}
                 */
                () => this._elementRef.nativeElement.focus()));
            }
        }
    }
    /**
     * Callback, invoked whenever an animation on the host completes.
     * @param {?} event
     * @return {?}
     */
    _onAnimationDone(event) {
        if (event.toState === 'enter') {
            this._trapFocus();
        }
        else if (event.toState === 'exit') {
            this._restoreFocus();
        }
        this._animationStateChanged.emit(event);
    }
    /**
     * Callback, invoked when an animation on the host starts.
     * @param {?} event
     * @return {?}
     */
    _onAnimationStart(event) {
        this._animationStateChanged.emit(event);
    }
    /**
     * Starts the dialog exit animation.
     * @return {?}
     */
    _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>",
                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}@media (-ms-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;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+.mat-button,.mat-dialog-actions .mat-button+.mat-raised-button,.mat-dialog-actions .mat-raised-button+.mat-button,.mat-dialog-actions .mat-raised-button+.mat-raised-button{margin-left:8px}[dir=rtl] .mat-dialog-actions .mat-button+.mat-button,[dir=rtl] .mat-dialog-actions .mat-button+.mat-raised-button,[dir=rtl] .mat-dialog-actions .mat-raised-button+.mat-button,[dir=rtl] .mat-dialog-actions .mat-raised-button+.mat-raised-button{margin-left:0;margin-right:8px}"],
                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',
                    '[attr.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)',
                },
            },] },
];
/** @nocollapse */
MatDialogContainer.ctorParameters = () => [
    { type: ElementRef },
    { type: FocusTrapFactory },
    { type: ChangeDetectorRef },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },
    { type: MatDialogConfig }
];
MatDialogContainer.propDecorators = {
    _portalOutlet: [{ type: ViewChild, args: [CdkPortalOutlet, { static: true },] }]
};

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
// TODO(jelbourn): resizing
// Counter for unique dialog ids.
/** @type {?} */
let uniqueId = 0;
/**
 * Reference to a dialog opened via the MatDialog service.
 * @template T, R
 */
class MatDialogRef {
    /**
     * @param {?} _overlayRef
     * @param {?} _containerInstance
     * @param {?=} _location
     * @param {?=} id
     */
    constructor(_overlayRef, _containerInstance, 
    // @breaking-change 8.0.0 `_location` parameter to be removed.
    _location, 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();
        // Pass the id along to the container.
        _containerInstance._id = id;
        // Emit when opening animation completes
        _containerInstance._animationStateChanged.pipe(filter((/**
         * @param {?} event
         * @return {?}
         */
        event => event.phaseName === 'done' && event.toState === 'enter')), take(1))
            .subscribe((/**
         * @return {?}
         */
        () => {
            this._afterOpened.next();
            this._afterOpened.complete();
        }));
        // Dispose overlay when closing animation is complete
        _containerInstance._animationStateChanged.pipe(filter((/**
         * @param {?} event
         * @return {?}
         */
        event => event.phaseName === 'done' && event.toState === 'exit')), take(1)).subscribe((/**
         * @return {?}
         */
        () => {
            clearTimeout(this._closeFallbackTimeout);
            this._overlayRef.dispose();
        }));
        _overlayRef.detachments().subscribe((/**
         * @return {?}
         */
        () => {
            this._beforeClosed.next(this._result);
            this._beforeClosed.complete();
            this._afterClosed.next(this._result);
            this._afterClosed.complete();
            this.componentInstance = (/** @type {?} */ (null));
            this._overlayRef.dispose();
        }));
        _overlayRef.keydownEvents()
            .pipe(filter((/**
         * @param {?} event
         * @return {?}
         */
        event => {
            return event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event);
        })))
            .subscribe((/**
         * @param {?} event
         * @return {?}
         */
        event => {
            event.preventDefault();
            this.close();
        }));
    }
    /**
     * Close the dialog.
     * @param {?=} dialogResult Optional result to return to the dialog opener.
     * @return {?}
     */
    close(dialogResult) {
        this._result = dialogResult;
        // Transition the backdrop in parallel to the dialog.
        this._containerInstance._animationStateChanged.pipe(filter((/**
         * @param {?} event
         * @return {?}
         */
        event => event.phaseName === 'start')), take(1))
            .subscribe((/**
         * @param {?} event
         * @return {?}
         */
        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((/**
             * @return {?}
             */
            () => {
                this._overlayRef.dispose();
            }), event.totalTime + 100);
        }));
        this._containerInstance._startExitAnimation();
    }
    /**
     * Gets an observable that is notified when the dialog is finished opening.
     * @return {?}
     */
    afterOpened() {
        return this._afterOpened.asObservable();
    }
    /**
     * Gets an observable that is notified when the dialog is finished closing.
     * @return {?}
     */
    afterClosed() {
        return this._afterClosed.asObservable();
    }
    /**
     * Gets an observable that is notified when the dialog has started closing.
     * @return {?}
     */
    beforeClosed() {
        return this._beforeClosed.asObservable();
    }
    /**
     * Gets an observable that emits when the overlay's backdrop has been clicked.
     * @return {?}
     */
    backdropClick() {
        return this._overlayRef.backdropClick();
    }
    /**
     * Gets an observable that emits when keydown events are targeted on the overlay.
     * @return {?}
     */
    keydownEvents() {
        return this._overlayRef.keydownEvents();
    }
    /**
     * Updates the dialog's position.
     * @template THIS
     * @this {THIS}
     * @param {?=} position New dialog position.
     * @return {THIS}
     */
    updatePosition(position) {
        /** @type {?} */
        let strategy = (/** @type {?} */ (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();
        }
        (/** @type {?} */ (this))._overlayRef.updatePosition();
        return (/** @type {?} */ (this));
    }
    /**
     * Updates the dialog's width and height.
     * @template THIS
     * @this {THIS}
     * @param {?=} width New width of the dialog.
     * @param {?=} height New height of the dialog.
     * @return {THIS}
     */
    updateSize(width = '', height = '') {
        (/** @type {?} */ (this))._getPositionStrategy().width(width).height(height);
        (/** @type {?} */ (this))._overlayRef.updatePosition();
        return (/** @type {?} */ (this));
    }
    /**
     * Add a CSS class or an array of classes to the overlay pane.
     * @template THIS
     * @this {THIS}
     * @param {?} classes
     * @return {THIS}
     */
    addPanelClass(classes) {
        (/** @type {?} */ (this))._overlayRef.addPanelClass(classes);
        return (/** @type {?} */ (this));
    }
    /**
     * Remove a CSS class or an array of classes from the overlay pane.
     * @template THIS
     * @this {THIS}
     * @param {?} classes
     * @return {THIS}
     */
    removePanelClass(classes) {
        (/** @type {?} */ (this))._overlayRef.removePanelClass(classes);
        return (/** @type {?} */ (this));
    }
    /**
     * Gets an observable that is notified when the dialog is finished opening.
     * @deprecated Use `afterOpened` instead.
     * \@breaking-change 8.0.0
     * @return {?}
     */
    afterOpen() {
        return this.afterOpened();
    }
    /**
     * Gets an observable that is notified when the dialog has started closing.
     * @deprecated Use `beforeClosed` instead.
     * \@breaking-change 8.0.0
     * @return {?}
     */
    beforeClose() {
        return this.beforeClosed();
    }
    /**
     * Fetches the position strategy object from the overlay ref.
     * @private
     * @return {?}
     */
    _getPositionStrategy() {
        return (/** @type {?} */ (this._overlayRef.getConfig().positionStrategy));
    }
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Injection token that can be used to access the data that was passed in to a dialog.
 * @type {?}
 */
const MAT_DIALOG_DATA = new InjectionToken('MatDialogData');
/**
 * Injection token that can be used to specify default dialog options.
 * @type {?}
 */
const MAT_DIALOG_DEFAULT_OPTIONS = new InjectionToken('mat-dialog-default-options');
/**
 * Injection token that determines the scroll handling while the dialog is open.
 * @type {?}
 */
const MAT_DIALOG_SCROLL_STRATEGY = new InjectionToken('mat-dialog-scroll-strategy');
/**
 * \@docs-private
 * @param {?} overlay
 * @return {?}
 */
function MAT_DIALOG_SCROLL_STRATEGY_FACTORY(overlay) {
    return (/**
     * @return {?}
     */
    () => overlay.scrollStrategies.block());
}
/**
 * \@docs-private
 * @param {?} overlay
 * @return {?}
 */
function MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {
    return (/**
     * @return {?}
     */
    () => overlay.scrollStrategies.block());
}
/**
 * \@docs-private
 * @type {?}
 */
const MAT_DIALOG_SCROLL_STRATEGY_PROVIDER = {
    provide: MAT_DIALOG_SCROLL_STRATEGY,
    deps: [Overlay],
    useFactory: MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY,
};
/**
 * Service to open Material Design modal dialogs.
 */
class MatDialog {
    /**
     * @param {?} _overlay
     * @param {?} _injector
     * @param {?} _location
     * @param {?} _defaultOptions
     * @param {?} scrollStrategy
     * @param {?} _parentDialog
     * @param {?} _overlayContainer
     */
    constructor(_overlay, _injector, _location, _defaultOptions, scrollStrategy, _parentDialog, _overlayContainer) {
        this._overlay = _overlay;
        this._injector = _injector;
        this._location = _location;
        this._defaultOptions = _defaultOptions;
        this._parentDialog = _parentDialog;
        this._overlayContainer = _overlayContainer;
        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 = (/** @type {?} */ (defer((/**
         * @return {?}
         */
        () => this.openDialogs.length ?
            this._afterAllClosed :
            this._afterAllClosed.pipe(startWith(undefined))))));
        this._scrollStrategy = scrollStrategy;
    }
    /**
     * Keeps track of the currently-open dialogs.
     * @return {?}
     */
    get openDialogs() {
        return this._parentDialog ? this._parentDialog.openDialogs : this._openDialogsAtThisLevel;
    }
    /**
     * Stream that emits when a dialog has been opened.
     * @return {?}
     */
    get afterOpened() {
        return this._parentDialog ? this._parentDialog.afterOpened : this._afterOpenedAtThisLevel;
    }
    /**
     * Stream that emits when a dialog has been opened.
     * @deprecated Use `afterOpened` instead.
     * \@breaking-change 8.0.0
     * @return {?}
     */
    get afterOpen() {
        return this.afterOpened;
    }
    /**
     * @return {?}
     */
    get _afterAllClosed() {
        /** @type {?} */
        const parent = this._parentDialog;
        return parent ? parent._afterAllClosed : this._afterAllClosedAtThisLevel;
    }
    /**
     * Opens a modal dialog containing the given component.
     * @template T, D, R
     * @param {?} componentOrTemplateRef Type of the component to load into the dialog,
     *     or a TemplateRef to instantiate as the dialog content.
     * @param {?=} config Extra configuration options.
     * @return {?} Reference to the newly-opened dialog.
     */
    open(componentOrTemplateRef, config) {
        config = _applyConfigDefaults(config, this._defaultOptions || new MatDialogConfig());
        if (config.id && this.getDialogById(config.id)) {
            throw Error(`Dialog with id "${config.id}" exists already. The dialog id must be unique.`);
        }
        /** @type {?} */
        const overlayRef = this._createOverlay(config);
        /** @type {?} */
        const dialogContainer = this._attachDialogContainer(overlayRef, config);
        /** @type {?} */
        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((/**
         * @return {?}
         */
        () => this._removeOpenDialog(dialogRef)));
        this.afterOpened.next(dialogRef);
        return dialogRef;
    }
    /**
     * Closes all of the currently-open dialogs.
     * @return {?}
     */
    closeAll() {
        this._closeDialogs(this.openDialogs);
    }
    /**
     * Finds an open dialog by its id.
     * @param {?} id ID to use when looking up the dialog.
     * @return {?}
     */
    getDialogById(id) {
        return this.openDialogs.find((/**
         * @param {?} dialog
         * @return {?}
         */
        dialog => dialog.id === id));
    }
    /**
     * @return {?}
     */
    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.
     * @private
     * @param {?} config The dialog configuration.
     * @return {?} A promise resolving to the OverlayRef for the created overlay.
     */
    _createOverlay(config) {
        /** @type {?} */
        const overlayConfig = this._getOverlayConfig(config);
        return this._overlay.create(overlayConfig);
    }
    /**
     * Creates an overlay config from a dialog config.
     * @private
     * @param {?} dialogConfig The dialog configuration.
     * @return {?} The overlay configuration.
     */
    _getOverlayConfig(dialogConfig) {
        /** @type {?} */
        const state$$1 = new OverlayConfig({
            positionStrategy: this._overlay.position().global(),
            scrollStrategy: dialogConfig.scrollStrategy || this._scrollStrategy(),
            panelClass: dialogConfig.panelClass,
            hasBackdrop: dialogConfig.hasBackdrop,
            direction: dialogConfig.direction,
            minWidth: dialogConfig.minWidth,
            minHeight: dialogConfig.minHeight,
            maxWidth: dialogConfig.maxWidth,
            maxHeight: dialogConfig.maxHeight,
            disposeOnNavigation: dialogConfig.closeOnNavigation
        });
        if (dialogConfig.backdropClass) {
            state$$1.backdropClass = dialogConfig.backdropClass;
        }
        return state$$1;
    }
    /**
     * Attaches an MatDialogContainer to a dialog's already-created overlay.
     * @private
     * @param {?} overlay Reference to the dialog's underlying overlay.
     * @param {?} config The dialog configuration.
     * @return {?} A promise resolving to a ComponentRef for the attached container.
     */
    _attachDialogContainer(overlay, config) {
        /** @type {?} */
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        /** @type {?} */
        const injector = new PortalInjector(userInjector || this._injector, new WeakMap([
            [MatDialogConfig, config]
        ]));
        /** @type {?} */
        const containerPortal = new ComponentPortal(MatDialogContainer, config.viewContainerRef, injector);
        /** @type {?} */
        const containerRef = overlay.attach(containerPortal);
        return containerRef.instance;
    }
    /**
     * Attaches the user-provided component to the already-created MatDialogContainer.
     * @private
     * @template T, R
     * @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 MatDialogContainer.
     * @param {?} overlayRef Reference to the overlay in which the dialog resides.
     * @param {?} config The dialog configuration.
     * @return {?} 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.
        /** @type {?} */
        const dialogRef = new MatDialogRef(overlayRef, dialogContainer, this._location, config.id);
        // When the dialog backdrop is clicked, we want to close it.
        if (config.hasBackdrop) {
            overlayRef.backdropClick().subscribe((/**
             * @return {?}
             */
            () => {
                if (!dialogRef.disableClose) {
                    dialogRef.close();
                }
            }));
        }
        if (componentOrTemplateRef instanceof TemplateRef) {
            dialogContainer.attachTemplatePortal(new TemplatePortal(componentOrTemplateRef, (/** @type {?} */ (null)), (/** @type {?} */ ({ $implicit: config.data, dialogRef }))));
        }
        else {
            /** @type {?} */
            const injector = this._createInjector(config, dialogRef, dialogContainer);
            /** @type {?} */
            const contentRef = dialogContainer.attachComponentPortal(new ComponentPortal(componentOrTemplateRef, undefined, 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.
     * @private
     * @template T
     * @param {?} config Config object that is used to construct the dialog.
     * @param {?} dialogRef Reference to the dialog.
     * @param {?} dialogContainer
     * @return {?} The custom injector that can be used inside the dialog.
     */
    _createInjector(config, dialogRef, dialogContainer) {
        /** @type {?} */
        const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
        // The MatDialogContainer is injected in the portal as the MatDialogContainer 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 MatDialogContainer is explicitly
        // added to the injection tokens.
        /** @type {?} */
        const injectionTokens = new WeakMap([
            [MatDialogContainer, dialogContainer],
            [MAT_DIALOG_DATA, config.data],
            [MatDialogRef, dialogRef]
        ]);
        if (config.direction &&
            (!userInjector || !userInjector.get(Directionality, null))) {
            injectionTokens.set(Directionality, {
                value: config.direction,
                change: of()
            });
        }
        return new PortalInjector(userInjector || this._injector, injectionTokens);
    }
    /**
     * Removes a dialog from the array of open dialogs.
     * @private
     * @param {?} dialogRef Dialog to be removed.
     * @return {?}
     */
    _removeOpenDialog(dialogRef) {
        /** @type {?} */
        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((/**
                 * @param {?} previousValue
                 * @param {?} element
                 * @return {?}
                 */
                (previousValue, element) => {
                    if (previousValue) {
                        element.setAttribute('aria-hidden', previousValue);
                    }
                    else {
                        element.removeAttribute('aria-hidden');
                    }
                }));
                this._ariaHiddenElements.clear();
                this._afterAllClosed.next();
            }
        }
    }
    /**
     * Hides all of the content that isn't an overlay from assistive technology.
     * @private
     * @return {?}
     */
    _hideNonDialogContentFromAssistiveTechnology() {
        /** @type {?} */
        const overlayContainer = this._overlayContainer.getContainerElement();
        // Ensure that the overlay container is attached to the DOM.
        if (overlayContainer.parentElement) {
            /** @type {?} */
            const siblings = overlayContainer.parentElement.children;
            for (let i = siblings.length - 1; i > -1; i--) {
                /** @type {?} */
                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.
     * @private
     * @param {?} dialogs
     * @return {?}
     */
    _closeDialogs(dialogs) {
        /** @type {?} */
        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();
        }
    }
}
MatDialog.decorators = [
    { type: Injectable },
];
/** @nocollapse */
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.
 * @return {?} The new configuration object.
 */
function _applyConfigDefaults(config, defaultOptions) {
    return Object.assign({}, defaultOptions, config);
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Counter used to generate unique IDs for dialog elements.
 * @type {?}
 */
let dialogElementUid = 0;
/**
 * Button that will close the current dialog.
 */
class MatDialogClose {
    /**
     * @param {?} dialogRef
     * @param {?} _elementRef
     * @param {?} _dialog
     */
    constructor(dialogRef, _elementRef, _dialog) {
        this.dialogRef = dialogRef;
        this._elementRef = _elementRef;
        this._dialog = _dialog;
    }
    /**
     * @return {?}
     */
    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 = (/** @type {?} */ (getClosestDialog(this._elementRef, this._dialog.openDialogs)));
        }
    }
    /**
     * @param {?} changes
     * @return {?}
     */
    ngOnChanges(changes) {
        /** @type {?} */
        const proxiedChange = changes['_matDialogClose'] || changes['_matDialogCloseResult'];
        if (proxiedChange) {
            this.dialogResult = proxiedChange.currentValue;
        }
    }
}
MatDialogClose.decorators = [
    { type: Directive, args: [{
                selector: `button[mat-dialog-close], button[matDialogClose]`,
                exportAs: 'matDialogClose',
                host: {
                    '(click)': 'dialogRef.close(dialogResult)',
                    '[attr.aria-label]': 'ariaLabel || null',
                    'type': 'button',
                }
            },] },
];
/** @nocollapse */
MatDialogClose.ctorParameters = () => [
    { type: MatDialogRef, decorators: [{ type: Optional }] },
    { type: ElementRef },
    { type: MatDialog }
];
MatDialogClose.propDecorators = {
    ariaLabel: [{ type: Input, args: ['aria-label',] }],
    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 {
    /**
     * @param {?} _dialogRef
     * @param {?} _elementRef
     * @param {?} _dialog
     */
    constructor(_dialogRef, _elementRef, _dialog) {
        this._dialogRef = _dialogRef;
        this._elementRef = _elementRef;
        this._dialog = _dialog;
        this.id = `mat-dialog-title-${dialogElementUid++}`;
    }
    /**
     * @return {?}
     */
    ngOnInit() {
        if (!this._dialogRef) {
            this._dialogRef = (/** @type {?} */ (getClosestDialog(this._elementRef, this._dialog.openDialogs)));
        }
        if (this._dialogRef) {
            Promise.resolve().then((/**
             * @return {?}
             */
            () => {
                /** @type {?} */
                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',
                },
            },] },
];
/** @nocollapse */
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.
 * @return {?}
 */
function getClosestDialog(element, openDialogs) {
    /** @type {?} */
    let parent = element.nativeElement.parentElement;
    while (parent && !parent.classList.contains('mat-dialog-container')) {
        parent = parent.parentElement;
    }
    return parent ? openDialogs.find((/**
     * @param {?} dialog
     * @return {?}
     */
    dialog => dialog.id === (/** @type {?} */ (parent)).id)) : null;
}

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class MatDialogModule {
}
MatDialogModule.decorators = [
    { type: NgModule, args: [{
                imports: [
                    CommonModule,
                    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],
            },] },
];

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */

export { MatDialogModule, MAT_DIALOG_SCROLL_STRATEGY_FACTORY, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY, MAT_DIALOG_DATA, MAT_DIALOG_DEFAULT_OPTIONS, MAT_DIALOG_SCROLL_STRATEGY, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER, MatDialog, throwMatDialogContentAlreadyAttachedError, MatDialogContainer, MatDialogClose, MatDialogTitle, MatDialogContent, MatDialogActions, MatDialogConfig, MatDialogRef, matDialogAnimations };
//# sourceMappingURL=dialog.js.map