text: 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, Input, Optional, ChangeDetectorRef, Component, ViewEncapsulation, ChangeDetectionStrategy, 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
   */
  import * as ɵngcc0 from '@angular/core';
  import * as ɵngcc1 from '@angular/cdk/overlay';
  import * as ɵngcc2 from '@angular/cdk/scrolling';
  import * as ɵngcc3 from '@angular/cdk/platform';
  import * as ɵngcc4 from '@angular/cdk/a11y';
  import * as ɵngcc5 from '@angular/cdk/bidi';
  import * as ɵngcc6 from '@angular/cdk/layout';
  import * as ɵngcc7 from '@angular/common';
  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.
   * @deprecated
   * @breaking-change 13.0.0 remove this variable
   */
  const TOOLTIP_PANEL_CLASS = 'mat-tooltip-panel';
  const PANEL_CLASS = '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,
      };
  }
  class _MatTooltipBase {
      constructor(_overlay, _elementRef, _scrollDispatcher, _viewContainerRef, _ngZone, _platform, _ariaDescriber, _focusMonitor, scrollStrategy, _dir, _defaultOptions, _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;
          this._viewportMargin = 8;
          this._cssClassPrefix = 'mat';
          /** 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;
          this._document = _document;
          if (_defaultOptions) {
              if (_defaultOptions.position) {
                  this.position = _defaultOptions.position;
              }
              if (_defaultOptions.touchGestures) {
                  this.touchGestures = _defaultOptions.touchGestures;
              }
          }
          _dir.change.pipe(takeUntil(this._destroyed)).subscribe(() => {
              if (this._overlayRef) {
                  this._updatePosition(this._overlayRef);
              }
          });
          _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) {
          var _a;
          if (value !== this._position) {
              this._position = value;
              if (this._overlayRef) {
                  this._updatePosition(this._overlayRef);
                  (_a = this._tooltipInstance) === null || _a === void 0 ? void 0 : _a.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(this._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(`.${this._cssClassPrefix}-tooltip`)
              .withFlexibleDimensions(false)
              .withViewportMargin(this._viewportMargin)
              .withScrollableContainers(scrollableAncestors);
          strategy.positionChanges.pipe(takeUntil(this._destroyed)).subscribe(change => {
              this._updateCurrentPositionClass(change.connectionPair);
              if (this._tooltipInstance) {
                  if (change.scrollableViewProperties.isOverlayClipped && this._tooltipInstance.isVisible()) {
                      // After position changes occur and the overlay is clipped by
                      // a parent scrollable then close the tooltip.
                      this._ngZone.run(() => this.hide(0));
                  }
              }
          });
          this._overlayRef = this._overlay.create({
              direction: this._dir,
              positionStrategy: strategy,
              panelClass: `${this._cssClassPrefix}-${PANEL_CLASS}`,
              scrollStrategy: this._scrollStrategy()
          });
          this._updatePosition(this._overlayRef);
          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(overlayRef) {
          const position = overlayRef.getConfig().positionStrategy;
          const origin = this._getOrigin();
          const overlay = this._getOverlayPosition();
          position.withPositions([
              this._addOffset(Object.assign(Object.assign({}, origin.main), overlay.main)),
              this._addOffset(Object.assign(Object.assign({}, origin.fallback), overlay.fallback))
          ]);
      }
      /** Adds the configured offset to a position. Used as a hook for child classes. */
      _addOffset(position) {
          return position;
      }
      /**
       * 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 };
      }
      /** Updates the class on the overlay panel based on the current position of the tooltip. */
      _updateCurrentPositionClass(connectionPair) {
          const { overlayY, originX, originY } = connectionPair;
          let newPosition;
          // If the overlay is in the middle along the Y axis,
          // it means that it's either before or after.
          if (overlayY === 'center') {
              // Note that since this information is used for styling, we want to
              // resolve `start` and `end` to their real values, otherwise consumers
              // would have to remember to do it themselves on each consumption.
              if (this._dir && this._dir.value === 'rtl') {
                  newPosition = originX === 'end' ? 'left' : 'right';
              }
              else {
                  newPosition = originX === 'start' ? 'left' : 'right';
              }
          }
          else {
              newPosition = overlayY === 'bottom' && originY === 'top' ? 'above' : 'below';
          }
          if (newPosition !== this._currentPosition) {
              const overlayRef = this._overlayRef;
              if (overlayRef) {
                  const classPrefix = `${this._cssClassPrefix}-${PANEL_CLASS}-`;
                  overlayRef.removePanelClass(classPrefix + this._currentPosition);
                  overlayRef.addPanelClass(classPrefix + newPosition);
              }
              this._currentPosition = newPosition;
          }
      }
      /** 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()) {
              const elementUnderPointer = this._document.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';
          }
      }
  }
  _MatTooltipBase.ɵfac = function _MatTooltipBase_Factory(t) { return new (t || _MatTooltipBase)(ɵngcc0.ɵɵdirectiveInject(ɵngcc1.Overlay), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc2.ScrollDispatcher), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ViewContainerRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.NgZone), ɵngcc0.ɵɵdirectiveInject(ɵngcc3.Platform), ɵngcc0.ɵɵdirectiveInject(ɵngcc4.AriaDescriber), ɵngcc0.ɵɵdirectiveInject(ɵngcc4.FocusMonitor), ɵngcc0.ɵɵdirectiveInject(undefined), ɵngcc0.ɵɵdirectiveInject(ɵngcc5.Directionality), ɵngcc0.ɵɵdirectiveInject(undefined), ɵngcc0.ɵɵdirectiveInject(DOCUMENT)); };
  _MatTooltipBase.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: _MatTooltipBase, inputs: { showDelay: ["matTooltipShowDelay", "showDelay"], hideDelay: ["matTooltipHideDelay", "hideDelay"], touchGestures: ["matTooltipTouchGestures", "touchGestures"], position: ["matTooltipPosition", "position"], disabled: ["matTooltipDisabled", "disabled"], message: ["matTooltip", "message"], tooltipClass: ["matTooltipClass", "tooltipClass"] } });
  _MatTooltipBase.ctorParameters = () => [
      { type: Overlay },
      { type: ElementRef },
      { type: ScrollDispatcher },
      { type: ViewContainerRef },
      { type: NgZone },
      { type: Platform },
      { type: AriaDescriber },
      { type: FocusMonitor },
      { type: undefined },
      { type: Directionality },
      { type: undefined },
      { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
  ];
  _MatTooltipBase.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',] }]
  };
  (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(_MatTooltipBase, [{
          type: Directive
      }], function () { return [{ type: ɵngcc1.Overlay }, { type: ɵngcc0.ElementRef }, { type: ɵngcc2.ScrollDispatcher }, { type: ɵngcc0.ViewContainerRef }, { type: ɵngcc0.NgZone }, { type: ɵngcc3.Platform }, { type: ɵngcc4.AriaDescriber }, { type: ɵngcc4.FocusMonitor }, { type: undefined }, { type: ɵngcc5.Directionality }, { type: undefined }, { type: undefined, decorators: [{
                  type: Inject,
                  args: [DOCUMENT]
              }] }]; }, { showDelay: [{
              type: Input,
              args: ['matTooltipShowDelay']
          }], hideDelay: [{
              type: Input,
              args: ['matTooltipHideDelay']
          }], touchGestures: [{
              type: Input,
              args: ['matTooltipTouchGestures']
          }], position: [{
              type: Input,
              args: ['matTooltipPosition']
          }], disabled: [{
              type: Input,
              args: ['matTooltipDisabled']
          }], message: [{
              type: Input,
              args: ['matTooltip']
          }], tooltipClass: [{
              type: Input,
              args: ['matTooltipClass']
          }] }); })();
  /**
   * 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 extends _MatTooltipBase {
      constructor(overlay, elementRef, scrollDispatcher, viewContainerRef, ngZone, platform, ariaDescriber, focusMonitor, scrollStrategy, dir, defaultOptions, _document) {
          super(overlay, elementRef, scrollDispatcher, viewContainerRef, ngZone, platform, ariaDescriber, focusMonitor, scrollStrategy, dir, defaultOptions, _document);
          this._tooltipComponent = TooltipComponent;
      }
  }
  MatTooltip.ɵfac = function MatTooltip_Factory(t) { return new (t || MatTooltip)(ɵngcc0.ɵɵdirectiveInject(ɵngcc1.Overlay), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ElementRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc2.ScrollDispatcher), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ViewContainerRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc0.NgZone), ɵngcc0.ɵɵdirectiveInject(ɵngcc3.Platform), ɵngcc0.ɵɵdirectiveInject(ɵngcc4.AriaDescriber), ɵngcc0.ɵɵdirectiveInject(ɵngcc4.FocusMonitor), ɵngcc0.ɵɵdirectiveInject(MAT_TOOLTIP_SCROLL_STRATEGY), ɵngcc0.ɵɵdirectiveInject(ɵngcc5.Directionality, 8), ɵngcc0.ɵɵdirectiveInject(MAT_TOOLTIP_DEFAULT_OPTIONS, 8), ɵngcc0.ɵɵdirectiveInject(DOCUMENT)); };
  MatTooltip.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: MatTooltip, selectors: [["", "matTooltip", ""]], hostAttrs: [1, "mat-tooltip-trigger"], exportAs: ["matTooltip"], features: [ɵngcc0.ɵɵInheritDefinitionFeature] });
  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,] }] }
  ];
  (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatTooltip, [{
          type: Directive,
          args: [{
                  selector: '[matTooltip]',
                  exportAs: 'matTooltip',
                  host: {
                      'class': 'mat-tooltip-trigger'
                  }
              }]
      }], function () { return [{ type: ɵngcc1.Overlay }, { type: ɵngcc0.ElementRef }, { type: ɵngcc2.ScrollDispatcher }, { type: ɵngcc0.ViewContainerRef }, { type: ɵngcc0.NgZone }, { type: ɵngcc3.Platform }, { type: ɵngcc4.AriaDescriber }, { type: ɵngcc4.FocusMonitor }, { type: undefined, decorators: [{
                  type: Inject,
                  args: [MAT_TOOLTIP_SCROLL_STRATEGY]
              }] }, { type: ɵngcc5.Directionality, decorators: [{
                  type: Optional
              }] }, { type: undefined, decorators: [{
                  type: Optional
              }, {
                  type: Inject,
                  args: [MAT_TOOLTIP_DEFAULT_OPTIONS]
              }] }, { type: undefined, decorators: [{
                  type: Inject,
                  args: [DOCUMENT]
              }] }]; }, null); })();
  class _TooltipComponentBase {
      constructor(_changeDetectorRef) {
          this._changeDetectorRef = _changeDetectorRef;
          /** 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();
      }
      /**
       * 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
          clearTimeout(this._hideTimeoutId);
          // Body interactions should cancel the tooltip if there is a delay in showing.
          this._closeOnInteraction = true;
          this._showTimeoutId = setTimeout(() => {
              this._visibility = 'visible';
              this._showTimeoutId = undefined;
              // 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
          clearTimeout(this._showTimeoutId);
          this._hideTimeoutId = setTimeout(() => {
              this._visibility = 'hidden';
              this._hideTimeoutId = undefined;
              // 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() {
          clearTimeout(this._showTimeoutId);
          clearTimeout(this._hideTimeoutId);
          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();
      }
  }
  _TooltipComponentBase.ɵfac = function _TooltipComponentBase_Factory(t) { return new (t || _TooltipComponentBase)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef)); };
  _TooltipComponentBase.ɵdir = /*@__PURE__*/ ɵngcc0.ɵɵdefineDirective({ type: _TooltipComponentBase });
  _TooltipComponentBase.ctorParameters = () => [
      { type: ChangeDetectorRef }
  ];
  (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(_TooltipComponentBase, [{
          type: Directive
      }], function () { return [{ type: ɵngcc0.ChangeDetectorRef }]; }, null); })();
  /**
   * Internal component that wraps the tooltip's content.
   * @docs-private
   */
  class TooltipComponent extends _TooltipComponentBase {
      constructor(changeDetectorRef, _breakpointObserver) {
          super(changeDetectorRef);
          this._breakpointObserver = _breakpointObserver;
          /** Stream that emits whether the user has a handset-sized display.  */
          this._isHandset = this._breakpointObserver.observe(Breakpoints.Handset);
      }
  }
  TooltipComponent.ɵfac = function TooltipComponent_Factory(t) { return new (t || TooltipComponent)(ɵngcc0.ɵɵdirectiveInject(ɵngcc0.ChangeDetectorRef), ɵngcc0.ɵɵdirectiveInject(ɵngcc6.BreakpointObserver)); };
  TooltipComponent.ɵcmp = /*@__PURE__*/ ɵngcc0.ɵɵdefineComponent({ type: TooltipComponent, selectors: [["mat-tooltip-component"]], hostAttrs: ["aria-hidden", "true"], hostVars: 2, hostBindings: function TooltipComponent_HostBindings(rf, ctx) { if (rf & 1) {
          ɵngcc0.ɵɵlistener("click", function TooltipComponent_click_HostBindingHandler() { return ctx._handleBodyInteraction(); }, false, ɵngcc0.ɵɵresolveBody)("auxclick", function TooltipComponent_auxclick_HostBindingHandler() { return ctx._handleBodyInteraction(); }, false, ɵngcc0.ɵɵresolveBody);
      } if (rf & 2) {
          ɵngcc0.ɵɵstyleProp("zoom", ctx._visibility === "visible" ? 1 : null);
      } }, features: [ɵngcc0.ɵɵInheritDefinitionFeature], decls: 3, vars: 7, consts: [[1, "mat-tooltip", 3, "ngClass"]], template: function TooltipComponent_Template(rf, ctx) { if (rf & 1) {
          ɵngcc0.ɵɵelementStart(0, "div", 0);
          ɵngcc0.ɵɵlistener("@state.start", function TooltipComponent_Template_div_animation_state_start_0_listener() { return ctx._animationStart(); })("@state.done", function TooltipComponent_Template_div_animation_state_done_0_listener($event) { return ctx._animationDone($event); });
          ɵngcc0.ɵɵpipe(1, "async");
          ɵngcc0.ɵɵtext(2);
          ɵngcc0.ɵɵelementEnd();
      } if (rf & 2) {
          let tmp_0_0;
          ɵngcc0.ɵɵclassProp("mat-tooltip-handset", (tmp_0_0 = ɵngcc0.ɵɵpipeBind1(1, 5, ctx._isHandset)) == null ? null : tmp_0_0.matches);
          ɵngcc0.ɵɵproperty("ngClass", ctx.tooltipClass)("@state", ctx._visibility);
          ɵngcc0.ɵɵadvance(2);
          ɵngcc0.ɵɵtextInterpolate(ctx.message);
      } }, directives: [ɵngcc7.NgClass], pipes: [ɵngcc7.AsyncPipe], styles: [".mat-tooltip-panel{pointer-events:none !important}.mat-tooltip{color:#fff;border-radius:4px;margin:14px;max-width:250px;padding-left:8px;padding-right:8px;overflow:hidden;text-overflow:ellipsis}.cdk-high-contrast-active .mat-tooltip{outline:solid 1px}.mat-tooltip-handset{margin:24px;padding-left:16px;padding-right:16px}\n"], encapsulation: 2, data: { animation: [matTooltipAnimations.tooltipState] }, changeDetection: 0 });
  TooltipComponent.ctorParameters = () => [
      { type: ChangeDetectorRef },
      { type: BreakpointObserver }
  ];
  (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(TooltipComponent, [{
          type: Component,
          args: [{
                  selector: 'mat-tooltip-component',
                  template: "<div class=\"mat-tooltip\"\n     [ngClass]=\"tooltipClass\"\n     [class.mat-tooltip-handset]=\"(_isHandset | async)?.matches\"\n     [@state]=\"_visibility\"\n     (@state.start)=\"_animationStart()\"\n     (@state.done)=\"_animationDone($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"]
              }]
      }], function () { return [{ type: ɵngcc0.ChangeDetectorRef }, { type: ɵngcc6.BreakpointObserver }]; }, 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 MatTooltipModule {
  }
  MatTooltipModule.ɵfac = function MatTooltipModule_Factory(t) { return new (t || MatTooltipModule)(); };
  MatTooltipModule.ɵmod = /*@__PURE__*/ ɵngcc0.ɵɵdefineNgModule({ type: MatTooltipModule });
  MatTooltipModule.ɵinj = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjector({ providers: [MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER], imports: [[
              A11yModule,
              CommonModule,
              OverlayModule,
              MatCommonModule,
          ], MatCommonModule, CdkScrollableModule] });
  (function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(MatTooltipModule, [{
          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]
              }]
      }], null, null); })();
  (function () { (typeof ngJitMode === "undefined" || ngJitMode) && ɵngcc0.ɵɵsetNgModuleScope(MatTooltipModule, { declarations: function () { return [MatTooltip, TooltipComponent]; }, imports: function () { return [A11yModule,
          CommonModule,
          OverlayModule,
          MatCommonModule]; }, exports: function () { return [MatTooltip, TooltipComponent, MatCommonModule, CdkScrollableModule]; } }); })();
  
  /**
   * @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, _MatTooltipBase, _TooltipComponentBase, getMatTooltipInvalidPositionError, matTooltipAnimations };
  
  //# sourceMappingURL=tooltip.js.map