feat(select): allow disabling ripples for options (#5967)

* Adds a binding that allows developers to disable ripples for every option in a select.

src/lib/core/option/option.spec.ts

@@ -9,18 +9,18 @@ describe('MdOption component', () => {
   beforeEach(async(() => {
     TestBed.configureTestingModule({
       imports: [MdOptionModule],
-      declarations: [OptionWithDisableRipple]
+      declarations: [OptionWithDisable]
     }).compileComponents();
   }));
 
   describe('ripples', () => {
-    let fixture: ComponentFixture<OptionWithDisableRipple>;
+    let fixture: ComponentFixture<OptionWithDisable>;
     let optionDebugElement: DebugElement;
     let optionNativeElement: HTMLElement;
     let optionInstance: MdOption;
 
     beforeEach(() => {
-      fixture = TestBed.createComponent(OptionWithDisableRipple);
+      fixture = TestBed.createComponent(OptionWithDisable);
       fixture.detectChanges();
 
       optionDebugElement = fixture.debugElement.query(By.directive(MdOption));
@@ -58,7 +58,7 @@ describe('MdOption component', () => {
       expect(optionNativeElement.querySelectorAll('.mat-ripple-element').length)
         .toBe(0, 'Expected no ripples to show up initially');
 
-      fixture.componentInstance.disableRipple = true;
+      optionInstance.disableRipple = true;
       fixture.detectChanges();
 
       dispatchFakeEvent(optionNativeElement, 'mousedown');
@@ -73,9 +73,8 @@ describe('MdOption component', () => {
 });
 
 @Component({
-  template: `<md-option [disableRipple]="disableRipple" [disabled]="disabled"></md-option>`
+  template: `<md-option [disabled]="disabled"></md-option>`
 })
-export class OptionWithDisableRipple {
-  disableRipple: boolean;
+export class OptionWithDisable {
   disabled: boolean;
 }

src/lib/core/option/option.ts

@@ -22,7 +22,6 @@ import {ENTER, SPACE} from '../keyboard/keycodes';
 import {coerceBooleanProperty} from '@angular/cdk/coercion';
 import {MATERIAL_COMPATIBILITY_MODE} from '../../core/compatibility/compatibility';
 import {MdOptgroup} from './optgroup';
-import {CanDisableRipple, mixinDisableRipple} from '../common-behaviors/disable-ripple';
 
 /**
  * Option IDs need to be unique across components, so this counter exists outside of
@@ -35,19 +34,12 @@ export class MdOptionSelectionChange {
   constructor(public source: MdOption, public isUserInput = false) { }
 }
 
-// Boilerplate for applying mixins to MdOption.
-/** @docs-private */
-export class MdOptionBase {}
-export const _MdOptionMixinBase = mixinDisableRipple(MdOptionBase);
-
-
 /**
  * Single option inside of a `<md-select>` element.
  */
 @Component({
   moduleId: module.id,
   selector: 'md-option, mat-option',
-  inputs: ['disableRipple'],
   host: {
     'role': 'option',
     '[attr.tabindex]': '_getTabIndex()',
@@ -66,10 +58,11 @@ export const _MdOptionMixinBase = mixinDisableRipple(MdOptionBase);
   encapsulation: ViewEncapsulation.None,
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class MdOption extends _MdOptionMixinBase implements CanDisableRipple {
+export class MdOption {
   private _selected: boolean = false;
   private _active: boolean = false;
   private _multiple: boolean = false;
+  private _disableRipple: boolean = false;
 
   /** Whether the option is disabled.  */
   private _disabled: boolean = false;
@@ -99,17 +92,21 @@ export class MdOption extends _MdOptionMixinBase implements CanDisableRipple {
   get disabled() { return (this.group && this.group.disabled) || this._disabled; }
   set disabled(value: any) { this._disabled = coerceBooleanProperty(value); }
 
+  /** Whether ripples for the option are disabled. */
+  get disableRipple() { return this._disableRipple; }
+  set disableRipple(value: boolean) {
+    this._disableRipple = value;
+    this._changeDetectorRef.markForCheck();
+  }
+
   /** Event emitted when the option is selected or deselected. */
   @Output() onSelectionChange = new EventEmitter<MdOptionSelectionChange>();
 
   constructor(
     private _element: ElementRef,
     private _changeDetectorRef: ChangeDetectorRef,
     @Optional() public readonly group: MdOptgroup,
-    @Optional() @Inject(MATERIAL_COMPATIBILITY_MODE) public _isCompatibilityMode: boolean
-  ) {
-    super();
-  }
+    @Optional() @Inject(MATERIAL_COMPATIBILITY_MODE) public _isCompatibilityMode: boolean) {}
 
   /**
    * Whether or not the option is currently active and ready to be selected.

src/lib/select/select.spec.ts

@@ -308,6 +308,18 @@ describe('MdSelect', () => {
       expect(event.defaultPrevented).toBe(true);
     });
 
+    it('should update disableRipple properly on each option', () => {
+      const options = fixture.componentInstance.options.toArray();
+
+      expect(options.every(option => option.disableRipple === false))
+        .toBeTruthy('Expected all options to have disableRipple set to false initially.');
+
+      fixture.componentInstance.disableRipple = true;
+      fixture.detectChanges();
+
+      expect(options.every(option => option.disableRipple === true))
+        .toBeTruthy('Expected all options to have disableRipple set to true.');
+    });
   });
 
   describe('selection logic', () => {
@@ -924,7 +936,6 @@ describe('MdSelect', () => {
         });
       });
     }));
-
   });
 
   describe('misc forms', () => {
@@ -2660,7 +2671,7 @@ describe('MdSelect', () => {
     <div [style.height.px]="heightAbove"></div>
     <md-select placeholder="Food" [formControl]="control" [required]="isRequired"
       [tabIndex]="tabIndexOverride" [aria-label]="ariaLabel" [aria-labelledby]="ariaLabelledby"
-      [panelClass]="panelClass">
+      [panelClass]="panelClass" [disableRipple]="disableRipple">
       <md-option *ngFor="let food of foods" [value]="food.value" [disabled]="food.disabled">
         {{ food.viewValue }}
       </md-option>
@@ -2687,6 +2698,7 @@ class BasicSelect {
   ariaLabel: string;
   ariaLabelledby: string;
   panelClass = ['custom-one', 'custom-two'];
+  disableRipple: boolean;
 
   @ViewChild(MdSelect) select: MdSelect;
   @ViewChildren(MdOption) options: QueryList<MdOption>;

src/lib/select/select.ts

@@ -344,6 +344,15 @@ export class MdSelect extends _MdSelectMixinBase implements AfterContentInit, On
   }
   private _value: any;
 
+  /** Whether ripples for all options in the select are disabled. */
+  @Input()
+  get disableRipple(): boolean { return this._disableRipple; }
+  set disableRipple(value: boolean) {
+    this._disableRipple = coerceBooleanProperty(value);
+    this._setOptionDisableRipple();
+  }
+  private _disableRipple: boolean = false;
+
   /** Aria label of the select. If not specified, the placeholder will be used as label. */
   @Input('aria-label') ariaLabel: string = '';
 
@@ -719,6 +728,7 @@ export class MdSelect extends _MdSelectMixinBase implements AfterContentInit, On
     this._listenToOptions();
     this._setOptionIds();
     this._setOptionMultiple();
+    this._setOptionDisableRipple();
   }
 
   /** Listens to user-generated selection events on each option. */
@@ -815,6 +825,12 @@ export class MdSelect extends _MdSelectMixinBase implements AfterContentInit, On
     }
   }
 
+  /** Sets the `disableRipple` property on each option. */
+  private _setOptionDisableRipple() {
+    if (this.options) {
+      this.options.forEach(option => option.disableRipple = this.disableRipple);
+    }
+  }
   /**
    * Must set the width of the selected option's value programmatically
    * because it is absolutely positioned and otherwise will not clip