text: /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @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 { FocusMonitor } from '@angular/cdk/a11y';
  import { Directionality } from '@angular/cdk/bidi';
  import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
  import { DOWN_ARROW, END, HOME, LEFT_ARROW, PAGE_DOWN, PAGE_UP, RIGHT_ARROW, UP_ARROW, hasModifierKey, } from '@angular/cdk/keycodes';
  import { Attribute, ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, forwardRef, Inject, Input, Optional, Output, ViewChild, ViewEncapsulation, } from '@angular/core';
  import { NG_VALUE_ACCESSOR } from '@angular/forms';
  import { mixinColor, mixinDisabled, mixinTabIndex, } from '@angular/material/core';
  import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
  import { Subscription } from 'rxjs';
  /**
   * Visually, a 30px separation between tick marks looks best. This is very subjective but it is
   * the default separation we chose.
   * @type {?}
   */
  const MIN_AUTO_TICK_SEPARATION = 30;
  /**
   * The thumb gap size for a disabled slider.
   * @type {?}
   */
  const DISABLED_THUMB_GAP = 7;
  /**
   * The thumb gap size for a non-active slider at its minimum value.
   * @type {?}
   */
  const MIN_VALUE_NONACTIVE_THUMB_GAP = 7;
  /**
   * The thumb gap size for an active slider at its minimum value.
   * @type {?}
   */
  const MIN_VALUE_ACTIVE_THUMB_GAP = 10;
  /**
   * Provider Expression that allows mat-slider to register as a ControlValueAccessor.
   * This allows it to support [(ngModel)] and [formControl].
   * \@docs-private
   * @type {?}
   */
  export const MAT_SLIDER_VALUE_ACCESSOR = {
      provide: NG_VALUE_ACCESSOR,
      useExisting: forwardRef((/**
       * @return {?}
       */
      () => MatSlider)),
      multi: true
  };
  /**
   * A simple change event emitted by the MatSlider component.
   */
  export class MatSliderChange {
  }
  if (false) {
      /**
       * The MatSlider that changed.
       * @type {?}
       */
      MatSliderChange.prototype.source;
      /**
       * The new value of the source slider.
       * @type {?}
       */
      MatSliderChange.prototype.value;
  }
  // Boilerplate for applying mixins to MatSlider.
  /**
   * \@docs-private
   */
  class MatSliderBase {
      /**
       * @param {?} _elementRef
       */
      constructor(_elementRef) {
          this._elementRef = _elementRef;
      }
  }
  if (false) {
      /** @type {?} */
      MatSliderBase.prototype._elementRef;
  }
  /** @type {?} */
  const _MatSliderMixinBase = mixinTabIndex(mixinColor(mixinDisabled(MatSliderBase), 'accent'));
  /**
   * Allows users to select from a range of values by moving the slider thumb. It is similar in
   * behavior to the native `<input type="range">` element.
   */
  export class MatSlider extends _MatSliderMixinBase {
      /**
       * @param {?} elementRef
       * @param {?} _focusMonitor
       * @param {?} _changeDetectorRef
       * @param {?} _dir
       * @param {?} tabIndex
       * @param {?=} _animationMode
       */
      constructor(elementRef, _focusMonitor, _changeDetectorRef, _dir, tabIndex, _animationMode) {
          super(elementRef);
          this._focusMonitor = _focusMonitor;
          this._changeDetectorRef = _changeDetectorRef;
          this._dir = _dir;
          this._animationMode = _animationMode;
          this._invert = false;
          this._max = 100;
          this._min = 0;
          this._step = 1;
          this._thumbLabel = false;
          this._tickInterval = 0;
          this._value = null;
          this._vertical = false;
          /**
           * Event emitted when the slider value has changed.
           */
          this.change = new EventEmitter();
          /**
           * Event emitted when the slider thumb moves.
           */
          this.input = new EventEmitter();
          /**
           * Emits when the raw value of the slider changes. This is here primarily
           * to facilitate the two-way binding for the `value` input.
           * \@docs-private
           */
          this.valueChange = new EventEmitter();
          /**
           * onTouch function registered via registerOnTouch (ControlValueAccessor).
           */
          this.onTouched = (/**
           * @return {?}
           */
          () => { });
          this._percent = 0;
          /**
           * Whether or not the thumb is sliding.
           * Used to determine if there should be a transition for the thumb and fill track.
           */
          this._isSliding = false;
          /**
           * Whether or not the slider is active (clicked or sliding).
           * Used to shrink and grow the thumb as according to the Material Design spec.
           */
          this._isActive = false;
          /**
           * The size of a tick interval as a percentage of the size of the track.
           */
          this._tickIntervalPercent = 0;
          /**
           * The dimensions of the slider.
           */
          this._sliderDimensions = null;
          this._controlValueAccessorChangeFn = (/**
           * @return {?}
           */
          () => { });
          /**
           * Subscription to the Directionality change EventEmitter.
           */
          this._dirChangeSubscription = Subscription.EMPTY;
          this.tabIndex = parseInt(tabIndex) || 0;
      }
      /**
       * Whether the slider is inverted.
       * @return {?}
       */
      get invert() { return this._invert; }
      /**
       * @param {?} value
       * @return {?}
       */
      set invert(value) {
          this._invert = coerceBooleanProperty(value);
      }
      /**
       * The maximum value that the slider can have.
       * @return {?}
       */
      get max() { return this._max; }
      /**
       * @param {?} v
       * @return {?}
       */
      set max(v) {
          this._max = coerceNumberProperty(v, this._max);
          this._percent = this._calculatePercentage(this._value);
          // Since this also modifies the percentage, we need to let the change detection know.
          this._changeDetectorRef.markForCheck();
      }
      /**
       * The minimum value that the slider can have.
       * @return {?}
       */
      get min() { return this._min; }
      /**
       * @param {?} v
       * @return {?}
       */
      set min(v) {
          this._min = coerceNumberProperty(v, this._min);
          // If the value wasn't explicitly set by the user, set it to the min.
          if (this._value === null) {
              this.value = this._min;
          }
          this._percent = this._calculatePercentage(this._value);
          // Since this also modifies the percentage, we need to let the change detection know.
          this._changeDetectorRef.markForCheck();
      }
      /**
       * The values at which the thumb will snap.
       * @return {?}
       */
      get step() { return this._step; }
      /**
       * @param {?} v
       * @return {?}
       */
      set step(v) {
          this._step = coerceNumberProperty(v, this._step);
          if (this._step % 1 !== 0) {
              this._roundToDecimal = (/** @type {?} */ (this._step.toString().split('.').pop())).length;
          }
          // Since this could modify the label, we need to notify the change detection.
          this._changeDetectorRef.markForCheck();
      }
      /**
       * Whether or not to show the thumb label.
       * @return {?}
       */
      get thumbLabel() { return this._thumbLabel; }
      /**
       * @param {?} value
       * @return {?}
       */
      set thumbLabel(value) { this._thumbLabel = coerceBooleanProperty(value); }
      /**
       * How often to show ticks. Relative to the step so that a tick always appears on a step.
       * Ex: Tick interval of 4 with a step of 3 will draw a tick every 4 steps (every 12 values).
       * @return {?}
       */
      get tickInterval() { return this._tickInterval; }
      /**
       * @param {?} value
       * @return {?}
       */
      set tickInterval(value) {
          if (value === 'auto') {
              this._tickInterval = 'auto';
          }
          else if (typeof value === 'number' || typeof value === 'string') {
              this._tickInterval = coerceNumberProperty(value, (/** @type {?} */ (this._tickInterval)));
          }
          else {
              this._tickInterval = 0;
          }
      }
      /**
       * Value of the slider.
       * @return {?}
       */
      get value() {
          // If the value needs to be read and it is still uninitialized, initialize it to the min.
          if (this._value === null) {
              this.value = this._min;
          }
          return this._value;
      }
      /**
       * @param {?} v
       * @return {?}
       */
      set value(v) {
          if (v !== this._value) {
              /** @type {?} */
              let value = coerceNumberProperty(v);
              // While incrementing by a decimal we can end up with values like 33.300000000000004.
              // Truncate it to ensure that it matches the label and to make it easier to work with.
              if (this._roundToDecimal) {
                  value = parseFloat(value.toFixed(this._roundToDecimal));
              }
              this._value = value;
              this._percent = this._calculatePercentage(this._value);
              // Since this also modifies the percentage, we need to let the change detection know.
              this._changeDetectorRef.markForCheck();
          }
      }
      /**
       * Whether the slider is vertical.
       * @return {?}
       */
      get vertical() { return this._vertical; }
      /**
       * @param {?} value
       * @return {?}
       */
      set vertical(value) {
          this._vertical = coerceBooleanProperty(value);
      }
      /**
       * The value to be used for display purposes.
       * @return {?}
       */
      get displayValue() {
          if (this.displayWith) {
              // Value is never null but since setters and getters cannot have
              // different types, the value getter is also typed to return null.
              return this.displayWith((/** @type {?} */ (this.value)));
          }
          // Note that this could be improved further by rounding something like 0.999 to 1 or
          // 0.899 to 0.9, however it is very performance sensitive, because it gets called on
          // every change detection cycle.
          if (this._roundToDecimal && this.value && this.value % 1 !== 0) {
              return this.value.toFixed(this._roundToDecimal);
          }
          return this.value || 0;
      }
      /**
       * set focus to the host element
       * @param {?=} options
       * @return {?}
       */
      focus(options) {
          this._focusHostElement(options);
      }
      /**
       * blur the host element
       * @return {?}
       */
      blur() {
          this._blurHostElement();
      }
      /**
       * The percentage of the slider that coincides with the value.
       * @return {?}
       */
      get percent() { return this._clamp(this._percent); }
      /**
       * Whether the axis of the slider is inverted.
       * (i.e. whether moving the thumb in the positive x or y direction decreases the slider's value).
       * @return {?}
       */
      get _invertAxis() {
          // Standard non-inverted mode for a vertical slider should be dragging the thumb from bottom to
          // top. However from a y-axis standpoint this is inverted.
          return this.vertical ? !this.invert : this.invert;
      }
      /**
       * Whether the slider is at its minimum value.
       * @return {?}
       */
      get _isMinValue() {
          return this.percent === 0;
      }
      /**
       * The amount of space to leave between the slider thumb and the track fill & track background
       * elements.
       * @return {?}
       */
      get _thumbGap() {
          if (this.disabled) {
              return DISABLED_THUMB_GAP;
          }
          if (this._isMinValue && !this.thumbLabel) {
              return this._isActive ? MIN_VALUE_ACTIVE_THUMB_GAP : MIN_VALUE_NONACTIVE_THUMB_GAP;
          }
          return 0;
      }
      /**
       * CSS styles for the track background element.
       * @return {?}
       */
      get _trackBackgroundStyles() {
          /** @type {?} */
          const axis = this.vertical ? 'Y' : 'X';
          /** @type {?} */
          const scale = this.vertical ? `1, ${1 - this.percent}, 1` : `${1 - this.percent}, 1, 1`;
          /** @type {?} */
          const sign = this._shouldInvertMouseCoords() ? '-' : '';
          return {
              // scale3d avoids some rendering issues in Chrome. See #12071.
              transform: `translate${axis}(${sign}${this._thumbGap}px) scale3d(${scale})`
          };
      }
      /**
       * CSS styles for the track fill element.
       * @return {?}
       */
      get _trackFillStyles() {
          /** @type {?} */
          const axis = this.vertical ? 'Y' : 'X';
          /** @type {?} */
          const scale = this.vertical ? `1, ${this.percent}, 1` : `${this.percent}, 1, 1`;
          /** @type {?} */
          const sign = this._shouldInvertMouseCoords() ? '' : '-';
          return {
              // scale3d avoids some rendering issues in Chrome. See #12071.
              transform: `translate${axis}(${sign}${this._thumbGap}px) scale3d(${scale})`
          };
      }
      /**
       * CSS styles for the ticks container element.
       * @return {?}
       */
      get _ticksContainerStyles() {
          /** @type {?} */
          let axis = this.vertical ? 'Y' : 'X';
          // For a horizontal slider in RTL languages we push the ticks container off the left edge
          // instead of the right edge to avoid causing a horizontal scrollbar to appear.
          /** @type {?} */
          let sign = !this.vertical && this._getDirection() == 'rtl' ? '' : '-';
          /** @type {?} */
          let offset = this._tickIntervalPercent / 2 * 100;
          return {
              'transform': `translate${axis}(${sign}${offset}%)`
          };
      }
      /**
       * CSS styles for the ticks element.
       * @return {?}
       */
      get _ticksStyles() {
          /** @type {?} */
          let tickSize = this._tickIntervalPercent * 100;
          /** @type {?} */
          let backgroundSize = this.vertical ? `2px ${tickSize}%` : `${tickSize}% 2px`;
          /** @type {?} */
          let axis = this.vertical ? 'Y' : 'X';
          // Depending on the direction we pushed the ticks container, push the ticks the opposite
          // direction to re-center them but clip off the end edge. In RTL languages we need to flip the
          // ticks 180 degrees so we're really cutting off the end edge abd not the start.
          /** @type {?} */
          let sign = !this.vertical && this._getDirection() == 'rtl' ? '-' : '';
          /** @type {?} */
          let rotate = !this.vertical && this._getDirection() == 'rtl' ? ' rotate(180deg)' : '';
          /** @type {?} */
          let styles = {
              'backgroundSize': backgroundSize,
              // Without translateZ ticks sometimes jitter as the slider moves on Chrome & Firefox.
              'transform': `translateZ(0) translate${axis}(${sign}${tickSize / 2}%)${rotate}`
          };
          if (this._isMinValue && this._thumbGap) {
              /** @type {?} */
              let side = this.vertical ?
                  (this._invertAxis ? 'Bottom' : 'Top') :
                  (this._invertAxis ? 'Right' : 'Left');
              styles[`padding${side}`] = `${this._thumbGap}px`;
          }
          return styles;
      }
      /**
       * @return {?}
       */
      get _thumbContainerStyles() {
          /** @type {?} */
          let axis = this.vertical ? 'Y' : 'X';
          // For a horizontal slider in RTL languages we push the thumb container off the left edge
          // instead of the right edge to avoid causing a horizontal scrollbar to appear.
          /** @type {?} */
          let invertOffset = (this._getDirection() == 'rtl' && !this.vertical) ? !this._invertAxis : this._invertAxis;
          /** @type {?} */
          let offset = (invertOffset ? this.percent : 1 - this.percent) * 100;
          return {
              'transform': `translate${axis}(-${offset}%)`
          };
      }
      /**
       * Whether mouse events should be converted to a slider position by calculating their distance
       * from the right or bottom edge of the slider as opposed to the top or left.
       * @return {?}
       */
      _shouldInvertMouseCoords() {
          return (this._getDirection() == 'rtl' && !this.vertical) ? !this._invertAxis : this._invertAxis;
      }
      /**
       * The language direction for this slider element.
       * @private
       * @return {?}
       */
      _getDirection() {
          return (this._dir && this._dir.value == 'rtl') ? 'rtl' : 'ltr';
      }
      /**
       * @return {?}
       */
      ngOnInit() {
          this._focusMonitor
              .monitor(this._elementRef, true)
              .subscribe((/**
           * @param {?} origin
           * @return {?}
           */
          (origin) => {
              this._isActive = !!origin && origin !== 'keyboard';
              this._changeDetectorRef.detectChanges();
          }));
          if (this._dir) {
              this._dirChangeSubscription = this._dir.change.subscribe((/**
               * @return {?}
               */
              () => {
                  this._changeDetectorRef.markForCheck();
              }));
          }
      }
      /**
       * @return {?}
       */
      ngOnDestroy() {
          this._focusMonitor.stopMonitoring(this._elementRef);
          this._dirChangeSubscription.unsubscribe();
      }
      /**
       * @return {?}
       */
      _onMouseenter() {
          if (this.disabled) {
              return;
          }
          // We save the dimensions of the slider here so we can use them to update the spacing of the
          // ticks and determine where on the slider click and slide events happen.
          this._sliderDimensions = this._getSliderDimensions();
          this._updateTickIntervalPercent();
      }
      /**
       * @param {?} event
       * @return {?}
       */
      _onMousedown(event) {
          // Don't do anything if the slider is disabled or the
          // user is using anything other than the main mouse button.
          if (this.disabled || event.button !== 0) {
              return;
          }
          /** @type {?} */
          const oldValue = this.value;
          this._isSliding = false;
          this._focusHostElement();
          this._updateValueFromPosition({ x: event.clientX, y: event.clientY });
          // Emit a change and input event if the value changed.
          if (oldValue != this.value) {
              this._emitInputEvent();
              this._emitChangeEvent();
          }
      }
      /**
       * @param {?} event
       * @return {?}
       */
      _onSlide(event) {
          if (this.disabled) {
              return;
          }
          // The slide start event sometimes fails to fire on iOS, so if we're not already in the sliding
          // state, call the slide start handler manually.
          if (!this._isSliding) {
              this._onSlideStart(null);
          }
          // Prevent the slide from selecting anything else.
          event.preventDefault();
          /** @type {?} */
          let oldValue = this.value;
          this._updateValueFromPosition({ x: event.center.x, y: event.center.y });
          // Native range elements always emit `input` events when the value changed while sliding.
          if (oldValue != this.value) {
              this._emitInputEvent();
          }
      }
      /**
       * @param {?} event
       * @return {?}
       */
      _onSlideStart(event) {
          if (this.disabled || this._isSliding) {
              return;
          }
          // Simulate mouseenter in case this is a mobile device.
          this._onMouseenter();
          this._isSliding = true;
          this._focusHostElement();
          this._valueOnSlideStart = this.value;
          if (event) {
              this._updateValueFromPosition({ x: event.center.x, y: event.center.y });
              event.preventDefault();
          }
      }
      /**
       * @return {?}
       */
      _onSlideEnd() {
          this._isSliding = false;
          if (this._valueOnSlideStart != this.value && !this.disabled) {
              this._emitChangeEvent();
          }
          this._valueOnSlideStart = null;
      }
      /**
       * @return {?}
       */
      _onFocus() {
          // We save the dimensions of the slider here so we can use them to update the spacing of the
          // ticks and determine where on the slider click and slide events happen.
          this._sliderDimensions = this._getSliderDimensions();
          this._updateTickIntervalPercent();
      }
      /**
       * @return {?}
       */
      _onBlur() {
          this.onTouched();
      }
      /**
       * @param {?} event
       * @return {?}
       */
      _onKeydown(event) {
          if (this.disabled || hasModifierKey(event)) {
              return;
          }
          /** @type {?} */
          const oldValue = this.value;
          switch (event.keyCode) {
              case PAGE_UP:
                  this._increment(10);
                  break;
              case PAGE_DOWN:
                  this._increment(-10);
                  break;
              case END:
                  this.value = this.max;
                  break;
              case HOME:
                  this.value = this.min;
                  break;
              case LEFT_ARROW:
                  // NOTE: For a sighted user it would make more sense that when they press an arrow key on an
                  // inverted slider the thumb moves in that direction. However for a blind user, nothing
                  // about the slider indicates that it is inverted. They will expect left to be decrement,
                  // regardless of how it appears on the screen. For speakers ofRTL languages, they probably
                  // expect left to mean increment. Therefore we flip the meaning of the side arrow keys for
                  // RTL. For inverted sliders we prefer a good a11y experience to having it "look right" for
                  // sighted users, therefore we do not swap the meaning.
                  this._increment(this._getDirection() == 'rtl' ? 1 : -1);
                  break;
              case UP_ARROW:
                  this._increment(1);
                  break;
              case RIGHT_ARROW:
                  // See comment on LEFT_ARROW about the conditions under which we flip the meaning.
                  this._increment(this._getDirection() == 'rtl' ? -1 : 1);
                  break;
              case DOWN_ARROW:
                  this._increment(-1);
                  break;
              default:
                  // Return if the key is not one that we explicitly handle to avoid calling preventDefault on
                  // it.
                  return;
          }
          if (oldValue != this.value) {
              this._emitInputEvent();
              this._emitChangeEvent();
          }
          this._isSliding = true;
          event.preventDefault();
      }
      /**
       * @return {?}
       */
      _onKeyup() {
          this._isSliding = false;
      }
      /**
       * Increments the slider by the given number of steps (negative number decrements).
       * @private
       * @param {?} numSteps
       * @return {?}
       */
      _increment(numSteps) {
          this.value = this._clamp((this.value || 0) + this.step * numSteps, this.min, this.max);
      }
      /**
       * Calculate the new value from the new physical location. The value will always be snapped.
       * @private
       * @param {?} pos
       * @return {?}
       */
      _updateValueFromPosition(pos) {
          if (!this._sliderDimensions) {
              return;
          }
          /** @type {?} */
          let offset = this.vertical ? this._sliderDimensions.top : this._sliderDimensions.left;
          /** @type {?} */
          let size = this.vertical ? this._sliderDimensions.height : this._sliderDimensions.width;
          /** @type {?} */
          let posComponent = this.vertical ? pos.y : pos.x;
          // The exact value is calculated from the event and used to find the closest snap value.
          /** @type {?} */
          let percent = this._clamp((posComponent - offset) / size);
          if (this._shouldInvertMouseCoords()) {
              percent = 1 - percent;
          }
          // Since the steps may not divide cleanly into the max value, if the user
          // slid to 0 or 100 percent, we jump to the min/max value. This approach
          // is slightly more intuitive than using `Math.ceil` below, because it
          // follows the user's pointer closer.
          if (percent === 0) {
              this.value = this.min;
          }
          else if (percent === 1) {
              this.value = this.max;
          }
          else {
              /** @type {?} */
              const exactValue = this._calculateValue(percent);
              // This calculation finds the closest step by finding the closest
              // whole number divisible by the step relative to the min.
              /** @type {?} */
              const closestValue = Math.round((exactValue - this.min) / this.step) * this.step + this.min;
              // The value needs to snap to the min and max.
              this.value = this._clamp(closestValue, this.min, this.max);
          }
      }
      /**
       * Emits a change event if the current value is different from the last emitted value.
       * @private
       * @return {?}
       */
      _emitChangeEvent() {
          this._controlValueAccessorChangeFn(this.value);
          this.valueChange.emit(this.value);
          this.change.emit(this._createChangeEvent());
      }
      /**
       * Emits an input event when the current value is different from the last emitted value.
       * @private
       * @return {?}
       */
      _emitInputEvent() {
          this.input.emit(this._createChangeEvent());
      }
      /**
       * Updates the amount of space between ticks as a percentage of the width of the slider.
       * @private
       * @return {?}
       */
      _updateTickIntervalPercent() {
          if (!this.tickInterval || !this._sliderDimensions) {
              return;
          }
          if (this.tickInterval == 'auto') {
              /** @type {?} */
              let trackSize = this.vertical ? this._sliderDimensions.height : this._sliderDimensions.width;
              /** @type {?} */
              let pixelsPerStep = trackSize * this.step / (this.max - this.min);
              /** @type {?} */
              let stepsPerTick = Math.ceil(MIN_AUTO_TICK_SEPARATION / pixelsPerStep);
              /** @type {?} */
              let pixelsPerTick = stepsPerTick * this.step;
              this._tickIntervalPercent = pixelsPerTick / trackSize;
          }
          else {
              this._tickIntervalPercent = this.tickInterval * this.step / (this.max - this.min);
          }
      }
      /**
       * Creates a slider change object from the specified value.
       * @private
       * @param {?=} value
       * @return {?}
       */
      _createChangeEvent(value = this.value) {
          /** @type {?} */
          let event = new MatSliderChange();
          event.source = this;
          event.value = value;
          return event;
      }
      /**
       * Calculates the percentage of the slider that a value is.
       * @private
       * @param {?} value
       * @return {?}
       */
      _calculatePercentage(value) {
          return ((value || 0) - this.min) / (this.max - this.min);
      }
      /**
       * Calculates the value a percentage of the slider corresponds to.
       * @private
       * @param {?} percentage
       * @return {?}
       */
      _calculateValue(percentage) {
          return this.min + percentage * (this.max - this.min);
      }
      /**
       * Return a number between two numbers.
       * @private
       * @param {?} value
       * @param {?=} min
       * @param {?=} max
       * @return {?}
       */
      _clamp(value, min = 0, max = 1) {
          return Math.max(min, Math.min(value, max));
      }
      /**
       * Get the bounding client rect of the slider track element.
       * The track is used rather than the native element to ignore the extra space that the thumb can
       * take up.
       * @private
       * @return {?}
       */
      _getSliderDimensions() {
          return this._sliderWrapper ? this._sliderWrapper.nativeElement.getBoundingClientRect() : null;
      }
      /**
       * Focuses the native element.
       * Currently only used to allow a blur event to fire but will be used with keyboard input later.
       * @private
       * @param {?=} options
       * @return {?}
       */
      _focusHostElement(options) {
          this._elementRef.nativeElement.focus(options);
      }
      /**
       * Blurs the native element.
       * @private
       * @return {?}
       */
      _blurHostElement() {
          this._elementRef.nativeElement.blur();
      }
      /**
       * Sets the model value. Implemented as part of ControlValueAccessor.
       * @param {?} value
       * @return {?}
       */
      writeValue(value) {
          this.value = value;
      }
      /**
       * Registers a callback to be triggered when the value has changed.
       * Implemented as part of ControlValueAccessor.
       * @param {?} fn Callback to be registered.
       * @return {?}
       */
      registerOnChange(fn) {
          this._controlValueAccessorChangeFn = fn;
      }
      /**
       * Registers a callback to be triggered when the component is touched.
       * Implemented as part of ControlValueAccessor.
       * @param {?} fn Callback to be registered.
       * @return {?}
       */
      registerOnTouched(fn) {
          this.onTouched = fn;
      }
      /**
       * Sets whether the component should be disabled.
       * Implemented as part of ControlValueAccessor.
       * @param {?} isDisabled
       * @return {?}
       */
      setDisabledState(isDisabled) {
          this.disabled = isDisabled;
      }
  }
  MatSlider.decorators = [
      { type: Component, args: [{selector: 'mat-slider',
                  exportAs: 'matSlider',
                  providers: [MAT_SLIDER_VALUE_ACCESSOR],
                  host: {
                      '(focus)': '_onFocus()',
                      '(blur)': '_onBlur()',
                      '(mousedown)': '_onMousedown($event)',
                      '(keydown)': '_onKeydown($event)',
                      '(keyup)': '_onKeyup()',
                      '(mouseenter)': '_onMouseenter()',
                      '(slide)': '_onSlide($event)',
                      '(slideend)': '_onSlideEnd()',
                      '(slidestart)': '_onSlideStart($event)',
                      // On Safari starting to slide temporarily triggers text selection mode which
                      // show the wrong cursor. We prevent it by stopping the `selectstart` event.
                      '(selectstart)': '$event.preventDefault()',
                      'class': 'mat-slider',
                      'role': 'slider',
                      '[tabIndex]': 'tabIndex',
                      '[attr.aria-disabled]': 'disabled',
                      '[attr.aria-valuemax]': 'max',
                      '[attr.aria-valuemin]': 'min',
                      '[attr.aria-valuenow]': 'value',
                      '[attr.aria-orientation]': 'vertical ? "vertical" : "horizontal"',
                      '[class.mat-slider-disabled]': 'disabled',
                      '[class.mat-slider-has-ticks]': 'tickInterval',
                      '[class.mat-slider-horizontal]': '!vertical',
                      '[class.mat-slider-axis-inverted]': '_invertAxis',
                      // Class binding which is only used by the test harness as there is no other
                      // way for the harness to detect if mouse coordinates need to be inverted.
                      '[class.mat-slider-invert-mouse-coords]': '_shouldInvertMouseCoords()',
                      '[class.mat-slider-sliding]': '_isSliding',
                      '[class.mat-slider-thumb-label-showing]': 'thumbLabel',
                      '[class.mat-slider-vertical]': 'vertical',
                      '[class.mat-slider-min-value]': '_isMinValue',
                      '[class.mat-slider-hide-last-tick]': 'disabled || _isMinValue && _thumbGap && _invertAxis',
                      '[class._mat-animation-noopable]': '_animationMode === "NoopAnimations"',
                  },
                  template: "<div class=\"mat-slider-wrapper\" #sliderWrapper><div class=\"mat-slider-track-wrapper\"><div class=\"mat-slider-track-background\" [ngStyle]=\"_trackBackgroundStyles\"></div><div class=\"mat-slider-track-fill\" [ngStyle]=\"_trackFillStyles\"></div></div><div class=\"mat-slider-ticks-container\" [ngStyle]=\"_ticksContainerStyles\"><div class=\"mat-slider-ticks\" [ngStyle]=\"_ticksStyles\"></div></div><div class=\"mat-slider-thumb-container\" [ngStyle]=\"_thumbContainerStyles\"><div class=\"mat-slider-focus-ring\"></div><div class=\"mat-slider-thumb\"></div><div class=\"mat-slider-thumb-label\"><span class=\"mat-slider-thumb-label-text\">{{displayValue}}</span></div></div></div>",
                  styles: [".mat-slider{display:inline-block;position:relative;box-sizing:border-box;padding:8px;outline:0;vertical-align:middle}.mat-slider.mat-slider-sliding:not(.mat-slider-disabled),.mat-slider:not(.mat-slider-disabled):active{cursor:-webkit-grabbing;cursor:grabbing}.mat-slider-wrapper{position:absolute}.mat-slider-track-wrapper{position:absolute;top:0;left:0;overflow:hidden}.mat-slider-track-fill{position:absolute;transform-origin:0 0;transition:transform .4s cubic-bezier(.25,.8,.25,1),background-color .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-track-background{position:absolute;transform-origin:100% 100%;transition:transform .4s cubic-bezier(.25,.8,.25,1),background-color .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-ticks-container{position:absolute;left:0;top:0;overflow:hidden}.mat-slider-ticks{background-repeat:repeat;background-clip:content-box;box-sizing:border-box;opacity:0;transition:opacity .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-thumb-container{position:absolute;z-index:1;transition:transform .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-focus-ring{position:absolute;width:30px;height:30px;border-radius:50%;transform:scale(0);opacity:0;transition:transform .4s cubic-bezier(.25,.8,.25,1),background-color .4s cubic-bezier(.25,.8,.25,1),opacity .4s cubic-bezier(.25,.8,.25,1)}.mat-slider.cdk-keyboard-focused .mat-slider-focus-ring,.mat-slider.cdk-program-focused .mat-slider-focus-ring{transform:scale(1);opacity:1}.mat-slider:not(.mat-slider-disabled):not(.mat-slider-sliding) .mat-slider-thumb,.mat-slider:not(.mat-slider-disabled):not(.mat-slider-sliding) .mat-slider-thumb-label{cursor:-webkit-grab;cursor:grab}.mat-slider-thumb{position:absolute;right:-10px;bottom:-10px;box-sizing:border-box;width:20px;height:20px;border:3px solid transparent;border-radius:50%;transform:scale(.7);transition:transform .4s cubic-bezier(.25,.8,.25,1),background-color .4s cubic-bezier(.25,.8,.25,1),border-color .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-thumb-label{display:none;align-items:center;justify-content:center;position:absolute;width:28px;height:28px;border-radius:50%;transition:transform .4s cubic-bezier(.25,.8,.25,1),border-radius .4s cubic-bezier(.25,.8,.25,1),background-color .4s cubic-bezier(.25,.8,.25,1)}@media (-ms-high-contrast:active){.mat-slider-thumb-label{outline:solid 1px}}.mat-slider-thumb-label-text{z-index:1;opacity:0;transition:opacity .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-sliding .mat-slider-thumb-container,.mat-slider-sliding .mat-slider-track-background,.mat-slider-sliding .mat-slider-track-fill{transition-duration:0s}.mat-slider-has-ticks .mat-slider-wrapper::after{content:'';position:absolute;border-width:0;border-style:solid;opacity:0;transition:opacity .4s cubic-bezier(.25,.8,.25,1)}.mat-slider-has-ticks.cdk-focused:not(.mat-slider-hide-last-tick) .mat-slider-wrapper::after,.mat-slider-has-ticks:hover:not(.mat-slider-hide-last-tick) .mat-slider-wrapper::after{opacity:1}.mat-slider-has-ticks.cdk-focused:not(.mat-slider-disabled) .mat-slider-ticks,.mat-slider-has-ticks:hover:not(.mat-slider-disabled) .mat-slider-ticks{opacity:1}.mat-slider-thumb-label-showing .mat-slider-focus-ring{display:none}.mat-slider-thumb-label-showing .mat-slider-thumb-label{display:flex}.mat-slider-axis-inverted .mat-slider-track-fill{transform-origin:100% 100%}.mat-slider-axis-inverted .mat-slider-track-background{transform-origin:0 0}.mat-slider:not(.mat-slider-disabled).cdk-focused.mat-slider-thumb-label-showing .mat-slider-thumb{transform:scale(0)}.mat-slider:not(.mat-slider-disabled).cdk-focused .mat-slider-thumb-label{border-radius:50% 50% 0}.mat-slider:not(.mat-slider-disabled).cdk-focused .mat-slider-thumb-label-text{opacity:1}.mat-slider:not(.mat-slider-disabled).cdk-mouse-focused .mat-slider-thumb,.mat-slider:not(.mat-slider-disabled).cdk-program-focused .mat-slider-thumb,.mat-slider:not(.mat-slider-disabled).cdk-touch-focused .mat-slider-thumb{border-width:2px;transform:scale(1)}.mat-slider-disabled .mat-slider-focus-ring{transform:scale(0);opacity:0}.mat-slider-disabled .mat-slider-thumb{border-width:4px;transform:scale(.5)}.mat-slider-disabled .mat-slider-thumb-label{display:none}.mat-slider-horizontal{height:48px;min-width:128px}.mat-slider-horizontal .mat-slider-wrapper{height:2px;top:23px;left:8px;right:8px}.mat-slider-horizontal .mat-slider-wrapper::after{height:2px;border-left-width:2px;right:0;top:0}.mat-slider-horizontal .mat-slider-track-wrapper{height:2px;width:100%}.mat-slider-horizontal .mat-slider-track-fill{height:2px;width:100%;transform:scaleX(0)}.mat-slider-horizontal .mat-slider-track-background{height:2px;width:100%;transform:scaleX(1)}.mat-slider-horizontal .mat-slider-ticks-container{height:2px;width:100%}@media (-ms-high-contrast:active){.mat-slider-horizontal .mat-slider-ticks-container{height:0;outline:solid 2px;top:1px}}.mat-slider-horizontal .mat-slider-ticks{height:2px;width:100%}.mat-slider-horizontal .mat-slider-thumb-container{width:100%;height:0;top:50%}.mat-slider-horizontal .mat-slider-focus-ring{top:-15px;right:-15px}.mat-slider-horizontal .mat-slider-thumb-label{right:-14px;top:-40px;transform:translateY(26px) scale(.01) rotate(45deg)}.mat-slider-horizontal .mat-slider-thumb-label-text{transform:rotate(-45deg)}.mat-slider-horizontal.cdk-focused .mat-slider-thumb-label{transform:rotate(45deg)}@media (-ms-high-contrast:active){.mat-slider-horizontal.cdk-focused .mat-slider-thumb-label,.mat-slider-horizontal.cdk-focused .mat-slider-thumb-label-text{transform:none}}.mat-slider-vertical{width:48px;min-height:128px}.mat-slider-vertical .mat-slider-wrapper{width:2px;top:8px;bottom:8px;left:23px}.mat-slider-vertical .mat-slider-wrapper::after{width:2px;border-top-width:2px;bottom:0;left:0}.mat-slider-vertical .mat-slider-track-wrapper{height:100%;width:2px}.mat-slider-vertical .mat-slider-track-fill{height:100%;width:2px;transform:scaleY(0)}.mat-slider-vertical .mat-slider-track-background{height:100%;width:2px;transform:scaleY(1)}.mat-slider-vertical .mat-slider-ticks-container{width:2px;height:100%}@media (-ms-high-contrast:active){.mat-slider-vertical .mat-slider-ticks-container{width:0;outline:solid 2px;left:1px}}.mat-slider-vertical .mat-slider-focus-ring{bottom:-15px;left:-15px}.mat-slider-vertical .mat-slider-ticks{width:2px;height:100%}.mat-slider-vertical .mat-slider-thumb-container{height:100%;width:0;left:50%}.mat-slider-vertical .mat-slider-thumb{-webkit-backface-visibility:hidden;backface-visibility:hidden}.mat-slider-vertical .mat-slider-thumb-label{bottom:-14px;left:-40px;transform:translateX(26px) scale(.01) rotate(-45deg)}.mat-slider-vertical .mat-slider-thumb-label-text{transform:rotate(45deg)}.mat-slider-vertical.cdk-focused .mat-slider-thumb-label{transform:rotate(-45deg)}[dir=rtl] .mat-slider-wrapper::after{left:0;right:auto}[dir=rtl] .mat-slider-horizontal .mat-slider-track-fill{transform-origin:100% 100%}[dir=rtl] .mat-slider-horizontal .mat-slider-track-background{transform-origin:0 0}[dir=rtl] .mat-slider-horizontal.mat-slider-axis-inverted .mat-slider-track-fill{transform-origin:0 0}[dir=rtl] .mat-slider-horizontal.mat-slider-axis-inverted .mat-slider-track-background{transform-origin:100% 100%}.mat-slider._mat-animation-noopable .mat-slider-focus-ring,.mat-slider._mat-animation-noopable .mat-slider-has-ticks .mat-slider-wrapper::after,.mat-slider._mat-animation-noopable .mat-slider-thumb,.mat-slider._mat-animation-noopable .mat-slider-thumb-container,.mat-slider._mat-animation-noopable .mat-slider-thumb-label,.mat-slider._mat-animation-noopable .mat-slider-thumb-label-text,.mat-slider._mat-animation-noopable .mat-slider-ticks,.mat-slider._mat-animation-noopable .mat-slider-track-background,.mat-slider._mat-animation-noopable .mat-slider-track-fill{transition:none}"],
                  inputs: ['disabled', 'color', 'tabIndex'],
                  encapsulation: ViewEncapsulation.None,
                  changeDetection: ChangeDetectionStrategy.OnPush,
              },] },
  ];
  /** @nocollapse */
  MatSlider.ctorParameters = () => [
      { type: ElementRef },
      { type: FocusMonitor },
      { type: ChangeDetectorRef },
      { type: Directionality, decorators: [{ type: Optional }] },
      { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },
      { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }
  ];
  MatSlider.propDecorators = {
      invert: [{ type: Input }],
      max: [{ type: Input }],
      min: [{ type: Input }],
      step: [{ type: Input }],
      thumbLabel: [{ type: Input }],
      tickInterval: [{ type: Input }],
      value: [{ type: Input }],
      displayWith: [{ type: Input }],
      vertical: [{ type: Input }],
      change: [{ type: Output }],
      input: [{ type: Output }],
      valueChange: [{ type: Output }],
      _sliderWrapper: [{ type: ViewChild, args: ['sliderWrapper', { static: false },] }]
  };
  if (false) {
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._invert;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._max;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._min;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._step;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._thumbLabel;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._tickInterval;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._value;
      /**
       * Function that will be used to format the value before it is displayed
       * in the thumb label. Can be used to format very large number in order
       * for them to fit into the slider thumb.
       * @type {?}
       */
      MatSlider.prototype.displayWith;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._vertical;
      /**
       * Event emitted when the slider value has changed.
       * @type {?}
       */
      MatSlider.prototype.change;
      /**
       * Event emitted when the slider thumb moves.
       * @type {?}
       */
      MatSlider.prototype.input;
      /**
       * Emits when the raw value of the slider changes. This is here primarily
       * to facilitate the two-way binding for the `value` input.
       * \@docs-private
       * @type {?}
       */
      MatSlider.prototype.valueChange;
      /**
       * onTouch function registered via registerOnTouch (ControlValueAccessor).
       * @type {?}
       */
      MatSlider.prototype.onTouched;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._percent;
      /**
       * Whether or not the thumb is sliding.
       * Used to determine if there should be a transition for the thumb and fill track.
       * @type {?}
       */
      MatSlider.prototype._isSliding;
      /**
       * Whether or not the slider is active (clicked or sliding).
       * Used to shrink and grow the thumb as according to the Material Design spec.
       * @type {?}
       */
      MatSlider.prototype._isActive;
      /**
       * The size of a tick interval as a percentage of the size of the track.
       * @type {?}
       * @private
       */
      MatSlider.prototype._tickIntervalPercent;
      /**
       * The dimensions of the slider.
       * @type {?}
       * @private
       */
      MatSlider.prototype._sliderDimensions;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._controlValueAccessorChangeFn;
      /**
       * Decimal places to round to, based on the step amount.
       * @type {?}
       * @private
       */
      MatSlider.prototype._roundToDecimal;
      /**
       * Subscription to the Directionality change EventEmitter.
       * @type {?}
       * @private
       */
      MatSlider.prototype._dirChangeSubscription;
      /**
       * The value of the slider when the slide start event fires.
       * @type {?}
       * @private
       */
      MatSlider.prototype._valueOnSlideStart;
      /**
       * Reference to the inner slider wrapper element.
       * @type {?}
       * @private
       */
      MatSlider.prototype._sliderWrapper;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._focusMonitor;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._changeDetectorRef;
      /**
       * @type {?}
       * @private
       */
      MatSlider.prototype._dir;
      /** @type {?} */
      MatSlider.prototype._animationMode;
  }
  //# sourceMappingURL=slider.js.map