/**
 * @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 {Platform} from '@angular/cdk/platform';
import {
  ChangeDetectionStrategy,
  Component,
  ElementRef,
  Inject,
  NgZone,
  Optional,
  ViewEncapsulation
} from '@angular/core';
import {ANIMATION_MODULE_TYPE} from '@angular/platform-browser/animations';

import {
  MAT_ANCHOR_HOST,
  MAT_ANCHOR_INPUTS,
  MAT_BUTTON_HOST,
  MAT_BUTTON_INPUTS,
  MatAnchorBase,
  MatButtonBase
} from './button-base';

/**
 * Material Design button component. Users interact with a button to perform an action.
 * See https://material.io/components/buttons
 *
 * The `MatButton` class applies to native button elements and captures the appearances for
 * "text button", "outlined button", and "contained button" per the Material Design
 * specification. `MatButton` additionally captures an additional "flat" appearance, which matches
 * "contained" but without elevation.
 */
@Component({
  moduleId: module.id,
  selector: `
    button[mat-button], button[mat-raised-button], button[mat-flat-button],
    button[mat-stroked-button]
  `,
  templateUrl: 'button.html',
  styleUrls: ['button.css'],
  inputs: MAT_BUTTON_INPUTS,
  host: MAT_BUTTON_HOST,
  exportAs: 'matButton',
  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush,
})
export class MatButton extends MatButtonBase {
  constructor(
      elementRef: ElementRef, platform: Platform, ngZone: NgZone,
      @Optional() @Inject(ANIMATION_MODULE_TYPE) animationMode?: string) {
    super(elementRef, platform, ngZone, animationMode);
  }
}

/**
 * Material Design button component for anchor elements. Anchor elements are used to provide
 * links for the user to navigate across different routes or pages.
 * See https://material.io/components/buttons
 *
 * The `MatAnchor` class applies to native anchor elements and captures the appearances for
 * "text button", "outlined button", and "contained button" per the Material Design
 * specification. `MatAnchor` additionally captures an additional "flat" appearance, which matches
 * "contained" but without elevation.
 */
@Component({
  moduleId: module.id,
  selector: `a[mat-button], a[mat-raised-button], a[mat-flat-button], a[mat-stroked-button]`,
  exportAs: 'matButton, matAnchor',
  host: MAT_ANCHOR_HOST,
  inputs: MAT_ANCHOR_INPUTS,
  templateUrl: 'button.html',
  styleUrls: ['button.css'],
  encapsulation: ViewEncapsulation.None,
  changeDetection: ChangeDetectionStrategy.OnPush,
})
export class MatAnchor extends MatAnchorBase {
  constructor(
      elementRef: ElementRef, platform: Platform, ngZone: NgZone,
      @Optional() @Inject(ANIMATION_MODULE_TYPE) animationMode?: string) {
    super(elementRef, platform, ngZone, animationMode);
  }
}