import { ObserversModule } from '@angular/cdk/observers';
import { InjectionToken, forwardRef, EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, ChangeDetectorRef, Attribute, Inject, Optional, ViewChild, Input, Output, Directive, NgModule } from '@angular/core';
import { mixinTabIndex, mixinColor, mixinDisableRipple, mixinDisabled, MatRippleModule, MatCommonModule } from '@angular/material/core';
import { FocusMonitor } from '@angular/cdk/a11y';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { NG_VALUE_ACCESSOR, NG_VALIDATORS, CheckboxRequiredValidator } from '@angular/forms';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/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
 */
/** Injection token to be used to override the default options for `mat-slide-toggle`. */
const MAT_SLIDE_TOGGLE_DEFAULT_OPTIONS = new InjectionToken('mat-slide-toggle-default-options', {
    providedIn: 'root',
    factory: () => ({ disableToggleValue: false })
});

/**
 * @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
 */
// Increasing integer for generating unique ids for slide-toggle components.
let nextUniqueId = 0;
/** @docs-private */
const MAT_SLIDE_TOGGLE_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => MatSlideToggle),
    multi: true
};
/** Change event object emitted by a MatSlideToggle. */
class MatSlideToggleChange {
    constructor(
    /** The source MatSlideToggle of the event. */
    source, 
    /** The new `checked` value of the MatSlideToggle. */
    checked) {
        this.source = source;
        this.checked = checked;
    }
}
// Boilerplate for applying mixins to MatSlideToggle.
/** @docs-private */
const _MatSlideToggleBase = mixinTabIndex(mixinColor(mixinDisableRipple(mixinDisabled(class {
    constructor(_elementRef) {
        this._elementRef = _elementRef;
    }
}))));
/** Represents a slidable "switch" toggle that can be moved between on and off. */
class MatSlideToggle extends _MatSlideToggleBase {
    constructor(elementRef, _focusMonitor, _changeDetectorRef, tabIndex, defaults, animationMode) {
        super(elementRef);
        this._focusMonitor = _focusMonitor;
        this._changeDetectorRef = _changeDetectorRef;
        this.defaults = defaults;
        this._onChange = (_) => { };
        this._onTouched = () => { };
        this._uniqueId = `mat-slide-toggle-${++nextUniqueId}`;
        this._required = false;
        this._checked = false;
        /** Name value will be applied to the input element if present. */
        this.name = null;
        /** A unique id for the slide-toggle input. If none is supplied, it will be auto-generated. */
        this.id = this._uniqueId;
        /** Whether the label should appear after or before the slide-toggle. Defaults to 'after'. */
        this.labelPosition = 'after';
        /** Used to set the aria-label attribute on the underlying input element. */
        this.ariaLabel = null;
        /** Used to set the aria-labelledby attribute on the underlying input element. */
        this.ariaLabelledby = null;
        /** An event will be dispatched each time the slide-toggle changes its value. */
        this.change = new EventEmitter();
        /**
         * An event will be dispatched each time the slide-toggle input is toggled.
         * This event is always emitted when the user toggles the slide toggle, but this does not mean
         * the slide toggle's value has changed.
         */
        this.toggleChange = new EventEmitter();
        this.tabIndex = parseInt(tabIndex) || 0;
        this.color = this.defaultColor = defaults.color || 'accent';
        this._noopAnimations = animationMode === 'NoopAnimations';
    }
    /** Whether the slide-toggle is required. */
    get required() { return this._required; }
    set required(value) { this._required = coerceBooleanProperty(value); }
    /** Whether the slide-toggle element is checked or not. */
    get checked() { return this._checked; }
    set checked(value) {
        this._checked = coerceBooleanProperty(value);
        this._changeDetectorRef.markForCheck();
    }
    /** Returns the unique id for the visual hidden input. */
    get inputId() { return `${this.id || this._uniqueId}-input`; }
    ngAfterContentInit() {
        this._focusMonitor
            .monitor(this._elementRef, true)
            .subscribe(focusOrigin => {
            // Only forward focus manually when it was received programmatically or through the
            // keyboard. We should not do this for mouse/touch focus for two reasons:
            // 1. It can prevent clicks from landing in Chrome (see #18269).
            // 2. They're already handled by the wrapping `label` element.
            if (focusOrigin === 'keyboard' || focusOrigin === 'program') {
                this._inputElement.nativeElement.focus();
            }
            else if (!focusOrigin) {
                // When a focused element becomes disabled, the browser *immediately* fires a blur event.
                // Angular does not expect events to be raised during change detection, so any state
                // change (such as a form control's 'ng-touched') will cause a changed-after-checked
                // error. See https://github.com/angular/angular/issues/17793. To work around this,
                // we defer telling the form control it has been touched until the next tick.
                Promise.resolve().then(() => this._onTouched());
            }
        });
    }
    ngOnDestroy() {
        this._focusMonitor.stopMonitoring(this._elementRef);
    }
    /** Method being called whenever the underlying input emits a change event. */
    _onChangeEvent(event) {
        // We always have to stop propagation on the change event.
        // Otherwise the change event, from the input element, will bubble up and
        // emit its event object to the component's `change` output.
        event.stopPropagation();
        this.toggleChange.emit();
        // When the slide toggle's config disables toggle change event by setting
        // `disableToggleValue: true`, the slide toggle's value does not change, and the
        // checked state of the underlying input needs to be changed back.
        if (this.defaults.disableToggleValue) {
            this._inputElement.nativeElement.checked = this.checked;
            return;
        }
        // Sync the value from the underlying input element with the component instance.
        this.checked = this._inputElement.nativeElement.checked;
        // Emit our custom change event only if the underlying input emitted one. This ensures that
        // there is no change event, when the checked state changes programmatically.
        this._emitChangeEvent();
    }
    /** Method being called whenever the slide-toggle has been clicked. */
    _onInputClick(event) {
        // We have to stop propagation for click events on the visual hidden input element.
        // By default, when a user clicks on a label element, a generated click event will be
        // dispatched on the associated input element. Since we are using a label element as our
        // root container, the click event on the `slide-toggle` will be executed twice.
        // The real click event will bubble up, and the generated click event also tries to bubble up.
        // This will lead to multiple click events.
        // Preventing bubbling for the second event will solve that issue.
        event.stopPropagation();
    }
    /** Implemented as part of ControlValueAccessor. */
    writeValue(value) {
        this.checked = !!value;
    }
    /** Implemented as part of ControlValueAccessor. */
    registerOnChange(fn) {
        this._onChange = fn;
    }
    /** Implemented as part of ControlValueAccessor. */
    registerOnTouched(fn) {
        this._onTouched = fn;
    }
    /** Implemented as a part of ControlValueAccessor. */
    setDisabledState(isDisabled) {
        this.disabled = isDisabled;
        this._changeDetectorRef.markForCheck();
    }
    /** Focuses the slide-toggle. */
    focus(options, origin) {
        if (origin) {
            this._focusMonitor.focusVia(this._inputElement, origin, options);
        }
        else {
            this._inputElement.nativeElement.focus(options);
        }
    }
    /** Toggles the checked state of the slide-toggle. */
    toggle() {
        this.checked = !this.checked;
        this._onChange(this.checked);
    }
    /**
     * Emits a change event on the `change` output. Also notifies the FormControl about the change.
     */
    _emitChangeEvent() {
        this._onChange(this.checked);
        this.change.emit(new MatSlideToggleChange(this, this.checked));
    }
    /** Method being called whenever the label text changes. */
    _onLabelTextChange() {
        // Since the event of the `cdkObserveContent` directive runs outside of the zone, the
        // slide-toggle component will be only marked for check, but no actual change detection runs
        // automatically. Instead of going back into the zone in order to trigger a change detection
        // which causes *all* components to be checked (if explicitly marked or not using OnPush),
        // we only trigger an explicit change detection for the slide-toggle view and its children.
        this._changeDetectorRef.detectChanges();
    }
}
MatSlideToggle.decorators = [
    { type: Component, args: [{
                selector: 'mat-slide-toggle',
                exportAs: 'matSlideToggle',
                host: {
                    'class': 'mat-slide-toggle',
                    '[id]': 'id',
                    // Needs to be `-1` so it can still receive programmatic focus.
                    '[attr.tabindex]': 'disabled ? null : -1',
                    '[attr.aria-label]': 'null',
                    '[attr.aria-labelledby]': 'null',
                    '[class.mat-checked]': 'checked',
                    '[class.mat-disabled]': 'disabled',
                    '[class.mat-slide-toggle-label-before]': 'labelPosition == "before"',
                    '[class._mat-animation-noopable]': '_noopAnimations',
                },
                template: "<label [attr.for]=\"inputId\" class=\"mat-slide-toggle-label\" #label>\n  <div #toggleBar class=\"mat-slide-toggle-bar\"\n       [class.mat-slide-toggle-bar-no-side-margin]=\"!labelContent.textContent || !labelContent.textContent.trim()\">\n\n    <input #input class=\"mat-slide-toggle-input cdk-visually-hidden\" type=\"checkbox\"\n           role=\"switch\"\n           [id]=\"inputId\"\n           [required]=\"required\"\n           [tabIndex]=\"tabIndex\"\n           [checked]=\"checked\"\n           [disabled]=\"disabled\"\n           [attr.name]=\"name\"\n           [attr.aria-checked]=\"checked.toString()\"\n           [attr.aria-label]=\"ariaLabel\"\n           [attr.aria-labelledby]=\"ariaLabelledby\"\n           [attr.aria-describedby]=\"ariaDescribedby\"\n           (change)=\"_onChangeEvent($event)\"\n           (click)=\"_onInputClick($event)\">\n\n    <div class=\"mat-slide-toggle-thumb-container\" #thumbContainer>\n      <div class=\"mat-slide-toggle-thumb\"></div>\n      <div class=\"mat-slide-toggle-ripple mat-focus-indicator\" mat-ripple\n           [matRippleTrigger]=\"label\"\n           [matRippleDisabled]=\"disableRipple || disabled\"\n           [matRippleCentered]=\"true\"\n           [matRippleRadius]=\"20\"\n           [matRippleAnimation]=\"{enterDuration: _noopAnimations ? 0 : 150}\">\n\n        <div class=\"mat-ripple-element mat-slide-toggle-persistent-ripple\"></div>\n      </div>\n    </div>\n\n  </div>\n\n  <span class=\"mat-slide-toggle-content\" #labelContent (cdkObserveContent)=\"_onLabelTextChange()\">\n    <!-- Add an invisible span so JAWS can read the label -->\n    <span style=\"display:none\">&nbsp;</span>\n    <ng-content></ng-content>\n  </span>\n</label>\n",
                providers: [MAT_SLIDE_TOGGLE_VALUE_ACCESSOR],
                inputs: ['disabled', 'disableRipple', 'color', 'tabIndex'],
                encapsulation: ViewEncapsulation.None,
                changeDetection: ChangeDetectionStrategy.OnPush,
                styles: [".mat-slide-toggle{display:inline-block;height:24px;max-width:100%;line-height:24px;white-space:nowrap;outline:none;-webkit-tap-highlight-color:transparent}.mat-slide-toggle.mat-checked .mat-slide-toggle-thumb-container{transform:translate3d(16px, 0, 0)}[dir=rtl] .mat-slide-toggle.mat-checked .mat-slide-toggle-thumb-container{transform:translate3d(-16px, 0, 0)}.mat-slide-toggle.mat-disabled{opacity:.38}.mat-slide-toggle.mat-disabled .mat-slide-toggle-label,.mat-slide-toggle.mat-disabled .mat-slide-toggle-thumb-container{cursor:default}.mat-slide-toggle-label{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex:1;flex-direction:row;align-items:center;height:inherit;cursor:pointer}.mat-slide-toggle-content{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mat-slide-toggle-label-before .mat-slide-toggle-label{order:1}.mat-slide-toggle-label-before .mat-slide-toggle-bar{order:2}[dir=rtl] .mat-slide-toggle-label-before .mat-slide-toggle-bar,.mat-slide-toggle-bar{margin-right:8px;margin-left:0}[dir=rtl] .mat-slide-toggle-bar,.mat-slide-toggle-label-before .mat-slide-toggle-bar{margin-left:8px;margin-right:0}.mat-slide-toggle-bar-no-side-margin{margin-left:0;margin-right:0}.mat-slide-toggle-thumb-container{position:absolute;z-index:1;width:20px;height:20px;top:-3px;left:0;transform:translate3d(0, 0, 0);transition:all 80ms linear;transition-property:transform}._mat-animation-noopable .mat-slide-toggle-thumb-container{transition:none}[dir=rtl] .mat-slide-toggle-thumb-container{left:auto;right:0}.mat-slide-toggle-thumb{height:20px;width:20px;border-radius:50%}.mat-slide-toggle-bar{position:relative;width:36px;height:14px;flex-shrink:0;border-radius:8px}.mat-slide-toggle-input{bottom:0;left:10px}[dir=rtl] .mat-slide-toggle-input{left:auto;right:10px}.mat-slide-toggle-bar,.mat-slide-toggle-thumb{transition:all 80ms linear;transition-property:background-color;transition-delay:50ms}._mat-animation-noopable .mat-slide-toggle-bar,._mat-animation-noopable .mat-slide-toggle-thumb{transition:none}.mat-slide-toggle .mat-slide-toggle-ripple{position:absolute;top:calc(50% - 20px);left:calc(50% - 20px);height:40px;width:40px;z-index:1;pointer-events:none}.mat-slide-toggle .mat-slide-toggle-ripple .mat-ripple-element:not(.mat-slide-toggle-persistent-ripple){opacity:.12}.mat-slide-toggle-persistent-ripple{width:100%;height:100%;transform:none}.mat-slide-toggle-bar:hover .mat-slide-toggle-persistent-ripple{opacity:.04}.mat-slide-toggle:not(.mat-disabled).cdk-keyboard-focused .mat-slide-toggle-persistent-ripple{opacity:.12}.mat-slide-toggle-persistent-ripple,.mat-slide-toggle.mat-disabled .mat-slide-toggle-bar:hover .mat-slide-toggle-persistent-ripple{opacity:0}@media(hover: none){.mat-slide-toggle-bar:hover .mat-slide-toggle-persistent-ripple{display:none}}.cdk-high-contrast-active .mat-slide-toggle-thumb,.cdk-high-contrast-active .mat-slide-toggle-bar{border:1px solid}.cdk-high-contrast-active .mat-slide-toggle.cdk-keyboard-focused .mat-slide-toggle-bar{outline:2px dotted;outline-offset:5px}\n"]
            },] }
];
MatSlideToggle.ctorParameters = () => [
    { type: ElementRef },
    { type: FocusMonitor },
    { type: ChangeDetectorRef },
    { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },
    { type: undefined, decorators: [{ type: Inject, args: [MAT_SLIDE_TOGGLE_DEFAULT_OPTIONS,] }] },
    { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }
];
MatSlideToggle.propDecorators = {
    _thumbEl: [{ type: ViewChild, args: ['thumbContainer',] }],
    _thumbBarEl: [{ type: ViewChild, args: ['toggleBar',] }],
    name: [{ type: Input }],
    id: [{ type: Input }],
    labelPosition: [{ type: Input }],
    ariaLabel: [{ type: Input, args: ['aria-label',] }],
    ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],
    ariaDescribedby: [{ type: Input, args: ['aria-describedby',] }],
    required: [{ type: Input }],
    checked: [{ type: Input }],
    change: [{ type: Output }],
    toggleChange: [{ type: Output }],
    _inputElement: [{ type: ViewChild, args: ['input',] }]
};

/**
 * @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
 */
const MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: forwardRef(() => MatSlideToggleRequiredValidator),
    multi: true
};
/**
 * Validator for Material slide-toggle components with the required attribute in a
 * template-driven form. The default validator for required form controls asserts
 * that the control value is not undefined but that is not appropriate for a slide-toggle
 * where the value is always defined.
 *
 * Required slide-toggle form controls are valid when checked.
 */
class MatSlideToggleRequiredValidator extends CheckboxRequiredValidator {
}
MatSlideToggleRequiredValidator.decorators = [
    { type: Directive, args: [{
                selector: `mat-slide-toggle[required][formControlName],
             mat-slide-toggle[required][formControl], mat-slide-toggle[required][ngModel]`,
                providers: [MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR],
            },] }
];

/**
 * @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
 */
/** This module is used by both original and MDC-based slide-toggle implementations. */
class _MatSlideToggleRequiredValidatorModule {
}
_MatSlideToggleRequiredValidatorModule.decorators = [
    { type: NgModule, args: [{
                exports: [MatSlideToggleRequiredValidator],
                declarations: [MatSlideToggleRequiredValidator],
            },] }
];
class MatSlideToggleModule {
}
MatSlideToggleModule.decorators = [
    { type: NgModule, args: [{
                imports: [
                    _MatSlideToggleRequiredValidatorModule,
                    MatRippleModule,
                    MatCommonModule,
                    ObserversModule,
                ],
                exports: [
                    _MatSlideToggleRequiredValidatorModule,
                    MatSlideToggle,
                    MatCommonModule
                ],
                declarations: [MatSlideToggle],
            },] }
];

/**
 * @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_SLIDE_TOGGLE_DEFAULT_OPTIONS, MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR, MAT_SLIDE_TOGGLE_VALUE_ACCESSOR, MatSlideToggle, MatSlideToggleChange, MatSlideToggleModule, MatSlideToggleRequiredValidator, _MatSlideToggleRequiredValidatorModule };
//# sourceMappingURL=slide-toggle.js.map