node_modules/@angular/material/fesm2015/tooltip.js

import { Overlay, OverlayModule } from '@angular/cdk/overlay';
import { AriaDescriber, FocusMonitor, A11yModule } from '@angular/cdk/a11y';
import { DOCUMENT, CommonModule } from '@angular/common';
import { InjectionToken, Directive, ElementRef, ViewContainerRef, NgZone, Inject, Optional, Input, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, NgModule } from '@angular/core';
import { MatCommonModule } from '@angular/material/core';
import { ScrollDispatcher, CdkScrollableModule } from '@angular/cdk/scrolling';
import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Breakpoints, BreakpointObserver } from '@angular/cdk/layout';
import { normalizePassiveListenerOptions, Platform } from '@angular/cdk/platform';
import { ComponentPortal } from '@angular/cdk/portal';
import { Subject } from 'rxjs';
import { takeUntil, take } from 'rxjs/operators';
import { trigger, state, style, transition, animate, keyframes } from '@angular/animations';

/**
 * @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 MatTooltip.
 * @docs-private
 */
const matTooltipAnimations = {
    /** Animation that transitions a tooltip in and out. */
    tooltipState: trigger('state', [
        state('initial, void, hidden', style({ opacity: 0, transform: 'scale(0)' })),
        state('visible', style({ transform: 'scale(1)' })),
        transition('* => visible', animate('200ms cubic-bezier(0, 0, 0.2, 1)', keyframes([
            style({ opacity: 0, transform: 'scale(0)', offset: 0 }),
            style({ opacity: 0.5, transform: 'scale(0.99)', offset: 0.5 }),
            style({ opacity: 1, transform: 'scale(1)', offset: 1 })
        ]))),
        transition('* => hidden', animate('100ms cubic-bezier(0, 0, 0.2, 1)', style({ opacity: 0 }))),
    ])
};

/** Time in ms to throttle repositioning after scroll events. */
const SCROLL_THROTTLE_MS = 20;
/** CSS class that will be attached to the overlay panel. */
const TOOLTIP_PANEL_CLASS = 'mat-tooltip-panel';
/** Options used to bind passive event listeners. */
const passiveListenerOptions = normalizePassiveListenerOptions({ passive: true });
/**
 * Time between the user putting the pointer on a tooltip
 * trigger and the long press event being fired.
 */
const LONGPRESS_DELAY = 500;
/**
 * Creates an error to be thrown if the user supplied an invalid tooltip position.
 * @docs-private
 */
function getMatTooltipInvalidPositionError(position) {
    return Error(`Tooltip position "${position}" is invalid.`);
}
/** Injection token that determines the scroll handling while a tooltip is visible. */
const MAT_TOOLTIP_SCROLL_STRATEGY = new InjectionToken('mat-tooltip-scroll-strategy');
/** @docs-private */
function MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY(overlay) {
    return () => overlay.scrollStrategies.reposition({ scrollThrottle: SCROLL_THROTTLE_MS });
}
/** @docs-private */
const MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER = {
    provide: MAT_TOOLTIP_SCROLL_STRATEGY,
    deps: [Overlay],
    useFactory: MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY,
};
/** Injection token to be used to override the default options for `matTooltip`. */
const MAT_TOOLTIP_DEFAULT_OPTIONS = new InjectionToken('mat-tooltip-default-options', {
    providedIn: 'root',
    factory: MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY
});
/** @docs-private */
function MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY() {
    return {
        showDelay: 0,
        hideDelay: 0,
        touchendHideDelay: 1500,
    };
}
/**
 * Directive that attaches a material design tooltip to the host element. Animates the showing and
 * hiding of a tooltip provided position (defaults to below the element).
 *
 * https://material.io/design/components/tooltips.html
 */
class MatTooltip {
    constructor(_overlay, _elementRef, _scrollDispatcher, _viewContainerRef, _ngZone, _platform, _ariaDescriber, _focusMonitor, scrollStrategy, _dir, _defaultOptions, 
    /** @breaking-change 11.0.0 _document argument to become required. */
    _document) {
        this._overlay = _overlay;
        this._elementRef = _elementRef;
        this._scrollDispatcher = _scrollDispatcher;
        this._viewContainerRef = _viewContainerRef;
        this._ngZone = _ngZone;
        this._platform = _platform;
        this._ariaDescriber = _ariaDescriber;
        this._focusMonitor = _focusMonitor;
        this._dir = _dir;
        this._defaultOptions = _defaultOptions;
        this._position = 'below';
        this._disabled = false;
        this._viewInitialized = false;
        this._pointerExitEventsInitialized = false;
        /** The default delay in ms before showing the tooltip after show is called */
        this.showDelay = this._defaultOptions.showDelay;
        /** The default delay in ms before hiding the tooltip after hide is called */
        this.hideDelay = this._defaultOptions.hideDelay;
        /**
         * How touch gestures should be handled by the tooltip. On touch devices the tooltip directive
         * uses a long press gesture to show and hide, however it can conflict with the native browser
         * gestures. To work around the conflict, Angular Material disables native gestures on the
         * trigger, but that might not be desirable on particular elements (e.g. inputs and draggable
         * elements). The different values for this option configure the touch event handling as follows:
         * - `auto` - Enables touch gestures for all elements, but tries to avoid conflicts with native
         *   browser gestures on particular elements. In particular, it allows text selection on inputs
         *   and textareas, and preserves the native browser dragging on elements marked as `draggable`.
         * - `on` - Enables touch gestures for all elements and disables native
         *   browser gestures with no exceptions.
         * - `off` - Disables touch gestures. Note that this will prevent the tooltip from
         *   showing on touch devices.
         */
        this.touchGestures = 'auto';
        this._message = '';
        /** Manually-bound passive event listeners. */
        this._passiveListeners = [];
        /** Emits when the component is destroyed. */
        this._destroyed = new Subject();
        /**
         * Handles the keydown events on the host element.
         * Needs to be an arrow function so that we can use it in addEventListener.
         */
        this._handleKeydown = (event) => {
            if (this._isTooltipVisible() && event.keyCode === ESCAPE && !hasModifierKey(event)) {
                event.preventDefault();
                event.stopPropagation();
                this._ngZone.run(() => this.hide(0));
            }
        };
        this._scrollStrategy = scrollStrategy;
        if (_defaultOptions) {
            if (_defaultOptions.position) {
                this.position = _defaultOptions.position;
            }
            if (_defaultOptions.touchGestures) {
                this.touchGestures = _defaultOptions.touchGestures;
            }
        }
        _ngZone.runOutsideAngular(() => {
            _elementRef.nativeElement.addEventListener('keydown', this._handleKeydown);
        });
    }
    /** Allows the user to define the position of the tooltip relative to the parent element */
    get position() { return this._position; }
    set position(value) {
        if (value !== this._position) {
            this._position = value;
            if (this._overlayRef) {
                this._updatePosition();
                if (this._tooltipInstance) {
                    this._tooltipInstance.show(0);
                }
                this._overlayRef.updatePosition();
            }
        }
    }
    /** Disables the display of the tooltip. */
    get disabled() { return this._disabled; }
    set disabled(value) {
        this._disabled = coerceBooleanProperty(value);
        // If tooltip is disabled, hide immediately.
        if (this._disabled) {
            this.hide(0);
        }
        else {
            this._setupPointerEnterEventsIfNeeded();
        }
    }
    /** The message to be displayed in the tooltip */
    get message() { return this._message; }
    set message(value) {
        this._ariaDescriber.removeDescription(this._elementRef.nativeElement, this._message, 'tooltip');
        // If the message is not a string (e.g. number), convert it to a string and trim it.
        // Must convert with `String(value)`, not `${value}`, otherwise Closure Compiler optimises
        // away the string-conversion: https://github.com/angular/components/issues/20684
        this._message = value != null ? String(value).trim() : '';
        if (!this._message && this._isTooltipVisible()) {
            this.hide(0);
        }
        else {
            this._setupPointerEnterEventsIfNeeded();
            this._updateTooltipMessage();
            this._ngZone.runOutsideAngular(() => {
                // The `AriaDescriber` has some functionality that avoids adding a description if it's the
                // same as the `aria-label` of an element, however we can't know whether the tooltip trigger
                // has a data-bound `aria-label` or when it'll be set for the first time. We can avoid the
                // issue by deferring the description by a tick so Angular has time to set the `aria-label`.
                Promise.resolve().then(() => {
                    this._ariaDescriber.describe(this._elementRef.nativeElement, this.message, 'tooltip');
                });
            });
        }
    }
    /** Classes to be passed to the tooltip. Supports the same syntax as `ngClass`. */
    get tooltipClass() { return this._tooltipClass; }
    set tooltipClass(value) {
        this._tooltipClass = value;
        if (this._tooltipInstance) {
            this._setTooltipClass(this._tooltipClass);
        }
    }
    ngAfterViewInit() {
        // This needs to happen after view init so the initial values for all inputs have been set.
        this._viewInitialized = true;
        this._setupPointerEnterEventsIfNeeded();
        this._focusMonitor.monitor(this._elementRef)
            .pipe(takeUntil(this._destroyed))
            .subscribe(origin => {
            // Note that the focus monitor runs outside the Angular zone.
            if (!origin) {
                this._ngZone.run(() => this.hide(0));
            }
            else if (origin === 'keyboard') {
                this._ngZone.run(() => this.show());
            }
        });
    }
    /**
     * Dispose the tooltip when destroyed.
     */
    ngOnDestroy() {
        const nativeElement = this._elementRef.nativeElement;
        clearTimeout(this._touchstartTimeout);
        if (this._overlayRef) {
            this._overlayRef.dispose();
            this._tooltipInstance = null;
        }
        // Clean up the event listeners set in the constructor
        nativeElement.removeEventListener('keydown', this._handleKeydown);
        this._passiveListeners.forEach(([event, listener]) => {
            nativeElement.removeEventListener(event, listener, passiveListenerOptions);
        });
        this._passiveListeners.length = 0;
        this._destroyed.next();
        this._destroyed.complete();
        this._ariaDescriber.removeDescription(nativeElement, this.message, 'tooltip');
        this._focusMonitor.stopMonitoring(nativeElement);
    }
    /** Shows the tooltip after the delay in ms, defaults to tooltip-delay-show or 0ms if no input */
    show(delay = this.showDelay) {
        if (this.disabled || !this.message || (this._isTooltipVisible() &&
            !this._tooltipInstance._showTimeoutId && !this._tooltipInstance._hideTimeoutId)) {
            return;
        }
        const overlayRef = this._createOverlay();
        this._detach();
        this._portal = this._portal || new ComponentPortal(TooltipComponent, this._viewContainerRef);
        this._tooltipInstance = overlayRef.attach(this._portal).instance;
        this._tooltipInstance.afterHidden()
            .pipe(takeUntil(this._destroyed))
            .subscribe(() => this._detach());
        this._setTooltipClass(this._tooltipClass);
        this._updateTooltipMessage();
        this._tooltipInstance.show(delay);
    }
    /** Hides the tooltip after the delay in ms, defaults to tooltip-delay-hide or 0ms if no input */
    hide(delay = this.hideDelay) {
        if (this._tooltipInstance) {
            this._tooltipInstance.hide(delay);
        }
    }
    /** Shows/hides the tooltip */
    toggle() {
        this._isTooltipVisible() ? this.hide() : this.show();
    }
    /** Returns true if the tooltip is currently visible to the user */
    _isTooltipVisible() {
        return !!this._tooltipInstance && this._tooltipInstance.isVisible();
    }
    /** Create the overlay config and position strategy */
    _createOverlay() {
        if (this._overlayRef) {
            return this._overlayRef;
        }
        const scrollableAncestors = this._scrollDispatcher.getAncestorScrollContainers(this._elementRef);
        // Create connected position strategy that listens for scroll events to reposition.
        const strategy = this._overlay.position()
            .flexibleConnectedTo(this._elementRef)
            .withTransformOriginOn('.mat-tooltip')
            .withFlexibleDimensions(false)
            .withViewportMargin(8)
            .withScrollableContainers(scrollableAncestors);
        strategy.positionChanges.pipe(takeUntil(this._destroyed)).subscribe(change => {
            if (this._tooltipInstance) {
                if (change.scrollableViewProperties.isOverlayClipped && this._tooltipInstance.isVisible()) {
                    // After position changes occur and the overlay is clipped by
                    // a parent scrollable then close the tooltip.
                    this._ngZone.run(() => this.hide(0));
                }
            }
        });
        this._overlayRef = this._overlay.create({
            direction: this._dir,
            positionStrategy: strategy,
            panelClass: TOOLTIP_PANEL_CLASS,
            scrollStrategy: this._scrollStrategy()
        });
        this._updatePosition();
        this._overlayRef.detachments()
            .pipe(takeUntil(this._destroyed))
            .subscribe(() => this._detach());
        return this._overlayRef;
    }
    /** Detaches the currently-attached tooltip. */
    _detach() {
        if (this._overlayRef && this._overlayRef.hasAttached()) {
            this._overlayRef.detach();
        }
        this._tooltipInstance = null;
    }
    /** Updates the position of the current tooltip. */
    _updatePosition() {
        const position = this._overlayRef.getConfig().positionStrategy;
        const origin = this._getOrigin();
        const overlay = this._getOverlayPosition();
        position.withPositions([
            Object.assign(Object.assign({}, origin.main), overlay.main),
            Object.assign(Object.assign({}, origin.fallback), overlay.fallback)
        ]);
    }
    /**
     * Returns the origin position and a fallback position based on the user's position preference.
     * The fallback position is the inverse of the origin (e.g. `'below' -> 'above'`).
     */
    _getOrigin() {
        const isLtr = !this._dir || this._dir.value == 'ltr';
        const position = this.position;
        let originPosition;
        if (position == 'above' || position == 'below') {
            originPosition = { originX: 'center', originY: position == 'above' ? 'top' : 'bottom' };
        }
        else if (position == 'before' ||
            (position == 'left' && isLtr) ||
            (position == 'right' && !isLtr)) {
            originPosition = { originX: 'start', originY: 'center' };
        }
        else if (position == 'after' ||
            (position == 'right' && isLtr) ||
            (position == 'left' && !isLtr)) {
            originPosition = { originX: 'end', originY: 'center' };
        }
        else if (typeof ngDevMode === 'undefined' || ngDevMode) {
            throw getMatTooltipInvalidPositionError(position);
        }
        const { x, y } = this._invertPosition(originPosition.originX, originPosition.originY);
        return {
            main: originPosition,
            fallback: { originX: x, originY: y }
        };
    }
    /** Returns the overlay position and a fallback position based on the user's preference */
    _getOverlayPosition() {
        const isLtr = !this._dir || this._dir.value == 'ltr';
        const position = this.position;
        let overlayPosition;
        if (position == 'above') {
            overlayPosition = { overlayX: 'center', overlayY: 'bottom' };
        }
        else if (position == 'below') {
            overlayPosition = { overlayX: 'center', overlayY: 'top' };
        }
        else if (position == 'before' ||
            (position == 'left' && isLtr) ||
            (position == 'right' && !isLtr)) {
            overlayPosition = { overlayX: 'end', overlayY: 'center' };
        }
        else if (position == 'after' ||
            (position == 'right' && isLtr) ||
            (position == 'left' && !isLtr)) {
            overlayPosition = { overlayX: 'start', overlayY: 'center' };
        }
        else if (typeof ngDevMode === 'undefined' || ngDevMode) {
            throw getMatTooltipInvalidPositionError(position);
        }
        const { x, y } = this._invertPosition(overlayPosition.overlayX, overlayPosition.overlayY);
        return {
            main: overlayPosition,
            fallback: { overlayX: x, overlayY: y }
        };
    }
    /** Updates the tooltip message and repositions the overlay according to the new message length */
    _updateTooltipMessage() {
        // Must wait for the message to be painted to the tooltip so that the overlay can properly
        // calculate the correct positioning based on the size of the text.
        if (this._tooltipInstance) {
            this._tooltipInstance.message = this.message;
            this._tooltipInstance._markForCheck();
            this._ngZone.onMicrotaskEmpty.pipe(take(1), takeUntil(this._destroyed)).subscribe(() => {
                if (this._tooltipInstance) {
                    this._overlayRef.updatePosition();
                }
            });
        }
    }
    /** Updates the tooltip class */
    _setTooltipClass(tooltipClass) {
        if (this._tooltipInstance) {
            this._tooltipInstance.tooltipClass = tooltipClass;
            this._tooltipInstance._markForCheck();
        }
    }
    /** Inverts an overlay position. */
    _invertPosition(x, y) {
        if (this.position === 'above' || this.position === 'below') {
            if (y === 'top') {
                y = 'bottom';
            }
            else if (y === 'bottom') {
                y = 'top';
            }
        }
        else {
            if (x === 'end') {
                x = 'start';
            }
            else if (x === 'start') {
                x = 'end';
            }
        }
        return { x, y };
    }
    /** Binds the pointer events to the tooltip trigger. */
    _setupPointerEnterEventsIfNeeded() {
        // Optimization: Defer hooking up events if there's no message or the tooltip is disabled.
        if (this._disabled || !this.message || !this._viewInitialized ||
            this._passiveListeners.length) {
            return;
        }
        // The mouse events shouldn't be bound on mobile devices, because they can prevent the
        // first tap from firing its click event or can cause the tooltip to open for clicks.
        if (this._platformSupportsMouseEvents()) {
            this._passiveListeners
                .push(['mouseenter', () => {
                    this._setupPointerExitEventsIfNeeded();
                    this.show();
                }]);
        }
        else if (this.touchGestures !== 'off') {
            this._disableNativeGesturesIfNecessary();
            this._passiveListeners
                .push(['touchstart', () => {
                    // Note that it's important that we don't `preventDefault` here,
                    // because it can prevent click events from firing on the element.
                    this._setupPointerExitEventsIfNeeded();
                    clearTimeout(this._touchstartTimeout);
                    this._touchstartTimeout = setTimeout(() => this.show(), LONGPRESS_DELAY);
                }]);
        }
        this._addListeners(this._passiveListeners);
    }
    _setupPointerExitEventsIfNeeded() {
        if (this._pointerExitEventsInitialized) {
            return;
        }
        this._pointerExitEventsInitialized = true;
        const exitListeners = [];
        if (this._platformSupportsMouseEvents()) {
            exitListeners.push(['mouseleave', () => this.hide()], ['wheel', event => this._wheelListener(event)]);
        }
        else if (this.touchGestures !== 'off') {
            this._disableNativeGesturesIfNecessary();
            const touchendListener = () => {
                clearTimeout(this._touchstartTimeout);
                this.hide(this._defaultOptions.touchendHideDelay);
            };
            exitListeners.push(['touchend', touchendListener], ['touchcancel', touchendListener]);
        }
        this._addListeners(exitListeners);
        this._passiveListeners.push(...exitListeners);
    }
    _addListeners(listeners) {
        listeners.forEach(([event, listener]) => {
            this._elementRef.nativeElement.addEventListener(event, listener, passiveListenerOptions);
        });
    }
    _platformSupportsMouseEvents() {
        return !this._platform.IOS && !this._platform.ANDROID;
    }
    /** Listener for the `wheel` event on the element. */
    _wheelListener(event) {
        if (this._isTooltipVisible()) {
            // @breaking-change 11.0.0 Remove `|| document` once the document is a required param.
            const doc = this._document || document;
            const elementUnderPointer = doc.elementFromPoint(event.clientX, event.clientY);
            const element = this._elementRef.nativeElement;
            // On non-touch devices we depend on the `mouseleave` event to close the tooltip, but it
            // won't fire if the user scrolls away using the wheel without moving their cursor. We
            // work around it by finding the element under the user's cursor and closing the tooltip
            // if it's not the trigger.
            if (elementUnderPointer !== element && !element.contains(elementUnderPointer)) {
                this.hide();
            }
        }
    }
    /** Disables the native browser gestures, based on how the tooltip has been configured. */
    _disableNativeGesturesIfNecessary() {
        const gestures = this.touchGestures;
        if (gestures !== 'off') {
            const element = this._elementRef.nativeElement;
            const style = element.style;
            // If gestures are set to `auto`, we don't disable text selection on inputs and
            // textareas, because it prevents the user from typing into them on iOS Safari.
            if (gestures === 'on' || (element.nodeName !== 'INPUT' && element.nodeName !== 'TEXTAREA')) {
                style.userSelect = style.msUserSelect = style.webkitUserSelect =
                    style.MozUserSelect = 'none';
            }
            // If we have `auto` gestures and the element uses native HTML dragging,
            // we don't set `-webkit-user-drag` because it prevents the native behavior.
            if (gestures === 'on' || !element.draggable) {
                style.webkitUserDrag = 'none';
            }
            style.touchAction = 'none';
            style.webkitTapHighlightColor = 'transparent';
        }
    }
}
MatTooltip.decorators = [
    { type: Directive, args: [{
                selector: '[matTooltip]',
                exportAs: 'matTooltip',
                host: {
                    'class': 'mat-tooltip-trigger'
                }
            },] }
];
MatTooltip.ctorParameters = () => [
    { type: Overlay },
    { type: ElementRef },
    { type: ScrollDispatcher },
    { type: ViewContainerRef },
    { type: NgZone },
    { type: Platform },
    { type: AriaDescriber },
    { type: FocusMonitor },
    { type: undefined, decorators: [{ type: Inject, args: [MAT_TOOLTIP_SCROLL_STRATEGY,] }] },
    { type: Directionality, decorators: [{ type: Optional }] },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_TOOLTIP_DEFAULT_OPTIONS,] }] },
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
MatTooltip.propDecorators = {
    position: [{ type: Input, args: ['matTooltipPosition',] }],
    disabled: [{ type: Input, args: ['matTooltipDisabled',] }],
    showDelay: [{ type: Input, args: ['matTooltipShowDelay',] }],
    hideDelay: [{ type: Input, args: ['matTooltipHideDelay',] }],
    touchGestures: [{ type: Input, args: ['matTooltipTouchGestures',] }],
    message: [{ type: Input, args: ['matTooltip',] }],
    tooltipClass: [{ type: Input, args: ['matTooltipClass',] }]
};
/**
 * Internal component that wraps the tooltip's content.
 * @docs-private
 */
class TooltipComponent {
    constructor(_changeDetectorRef, _breakpointObserver) {
        this._changeDetectorRef = _changeDetectorRef;
        this._breakpointObserver = _breakpointObserver;
        /** Property watched by the animation framework to show or hide the tooltip */
        this._visibility = 'initial';
        /** Whether interactions on the page should close the tooltip */
        this._closeOnInteraction = false;
        /** Subject for notifying that the tooltip has been hidden from the view */
        this._onHide = new Subject();
        /** Stream that emits whether the user has a handset-sized display.  */
        this._isHandset = this._breakpointObserver.observe(Breakpoints.Handset);
    }
    /**
     * Shows the tooltip with an animation originating from the provided origin
     * @param delay Amount of milliseconds to the delay showing the tooltip.
     */
    show(delay) {
        // Cancel the delayed hide if it is scheduled
        if (this._hideTimeoutId) {
            clearTimeout(this._hideTimeoutId);
            this._hideTimeoutId = null;
        }
        // Body interactions should cancel the tooltip if there is a delay in showing.
        this._closeOnInteraction = true;
        this._showTimeoutId = setTimeout(() => {
            this._visibility = 'visible';
            this._showTimeoutId = null;
            // Mark for check so if any parent component has set the
            // ChangeDetectionStrategy to OnPush it will be checked anyways
            this._markForCheck();
        }, delay);
    }
    /**
     * Begins the animation to hide the tooltip after the provided delay in ms.
     * @param delay Amount of milliseconds to delay showing the tooltip.
     */
    hide(delay) {
        // Cancel the delayed show if it is scheduled
        if (this._showTimeoutId) {
            clearTimeout(this._showTimeoutId);
            this._showTimeoutId = null;
        }
        this._hideTimeoutId = setTimeout(() => {
            this._visibility = 'hidden';
            this._hideTimeoutId = null;
            // Mark for check so if any parent component has set the
            // ChangeDetectionStrategy to OnPush it will be checked anyways
            this._markForCheck();
        }, delay);
    }
    /** Returns an observable that notifies when the tooltip has been hidden from view. */
    afterHidden() {
        return this._onHide;
    }
    /** Whether the tooltip is being displayed. */
    isVisible() {
        return this._visibility === 'visible';
    }
    ngOnDestroy() {
        this._onHide.complete();
    }
    _animationStart() {
        this._closeOnInteraction = false;
    }
    _animationDone(event) {
        const toState = event.toState;
        if (toState === 'hidden' && !this.isVisible()) {
            this._onHide.next();
        }
        if (toState === 'visible' || toState === 'hidden') {
            this._closeOnInteraction = true;
        }
    }
    /**
     * Interactions on the HTML body should close the tooltip immediately as defined in the
     * material design spec.
     * https://material.io/design/components/tooltips.html#behavior
     */
    _handleBodyInteraction() {
        if (this._closeOnInteraction) {
            this.hide(0);
        }
    }
    /**
     * Marks that the tooltip needs to be checked in the next change detection run.
     * Mainly used for rendering the initial text before positioning a tooltip, which
     * can be problematic in components with OnPush change detection.
     */
    _markForCheck() {
        this._changeDetectorRef.markForCheck();
    }
}
TooltipComponent.decorators = [
    { type: Component, args: [{
                selector: 'mat-tooltip-component',
                template: "<div class=\"mat-tooltip\"\n     [ngClass]=\"tooltipClass\"\n     [class.mat-tooltip-handset]=\"(_isHandset | async)?.matches\"\n     [@state]=\"_visibility\"\n     (@state.start)=\"_animationStart()\"\n     (@state.done)=\"_animationDone($event)\">{{message}}</div>\n",
                encapsulation: ViewEncapsulation.None,
                changeDetection: ChangeDetectionStrategy.OnPush,
                animations: [matTooltipAnimations.tooltipState],
                host: {
                    // Forces the element to have a layout in IE and Edge. This fixes issues where the element
                    // won't be rendered if the animations are disabled or there is no web animations polyfill.
                    '[style.zoom]': '_visibility === "visible" ? 1 : null',
                    '(body:click)': 'this._handleBodyInteraction()',
                    '(body:auxclick)': 'this._handleBodyInteraction()',
                    'aria-hidden': 'true',
                },
                styles: [".mat-tooltip-panel{pointer-events:none !important}.mat-tooltip{color:#fff;border-radius:4px;margin:14px;max-width:250px;padding-left:8px;padding-right:8px;overflow:hidden;text-overflow:ellipsis}.cdk-high-contrast-active .mat-tooltip{outline:solid 1px}.mat-tooltip-handset{margin:24px;padding-left:16px;padding-right:16px}\n"]
            },] }
];
TooltipComponent.ctorParameters = () => [
    { type: ChangeDetectorRef },
    { type: BreakpointObserver }
];

/**
 * @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 MatTooltipModule {
}
MatTooltipModule.decorators = [
    { type: NgModule, args: [{
                imports: [
                    A11yModule,
                    CommonModule,
                    OverlayModule,
                    MatCommonModule,
                ],
                exports: [MatTooltip, TooltipComponent, MatCommonModule, CdkScrollableModule],
                declarations: [MatTooltip, TooltipComponent],
                entryComponents: [TooltipComponent],
                providers: [MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER]
            },] }
];

/**
 * @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_TOOLTIP_DEFAULT_OPTIONS, MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY, MAT_TOOLTIP_SCROLL_STRATEGY, MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY, MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER, MatTooltip, MatTooltipModule, SCROLL_THROTTLE_MS, TOOLTIP_PANEL_CLASS, TooltipComponent, getMatTooltipInvalidPositionError, matTooltipAnimations };
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