Use ripple renderer without MatRipple

Author: devversion

src/lib/core/ripple/index.ts

@@ -11,9 +11,9 @@ import {PlatformModule} from '@angular/cdk/platform';
 import {MatCommonModule} from '../common-behaviors/common-module';
 import {MatRipple} from './ripple';
 
-export {MatRipple, RippleGlobalOptions, MAT_RIPPLE_GLOBAL_OPTIONS} from './ripple';
-export {RippleRef, RippleState} from './ripple-ref';
-export {RippleConfig, RIPPLE_FADE_IN_DURATION, RIPPLE_FADE_OUT_DURATION} from './ripple-renderer';
+export * from './ripple';
+export * from './ripple-ref';
+export * from './ripple-renderer';
 
 @NgModule({
   imports: [MatCommonModule, PlatformModule],

src/lib/core/ripple/ripple-renderer.ts

@@ -8,7 +8,6 @@
 
 import {ElementRef, NgZone} from '@angular/core';
 import {Platform} from '@angular/cdk/platform';
-import {MatRipple} from './ripple';
 import {RippleRef, RippleState} from './ripple-ref';
 
 /** Fade-in duration for the ripples. Can be modified with the speedFactor option. */
@@ -31,6 +30,19 @@ export type RippleConfig = {
   persistent?: boolean;
 };
 
+/**
+ * Interface that describes the target for launching ripples.
+ * It defines the ripple configuration and disabled state for interaction ripples.
+ * @docs-private
+ */
+export interface RippleTarget {
+  /** Configuration for ripples that are launched on pointer down. */
+  rippleConfig: RippleConfig;
+
+  /** Whether ripples on pointer down should be disabled. */
+  rippleDisabled: boolean;
+}
+
 /**
  * Helper service that performs DOM manipulations. Not intended to be used outside this module.
  * The constructor takes a reference to the ripple directive's host element and a map of DOM
@@ -58,7 +70,7 @@ export class RippleRenderer {
   /** Time in milliseconds when the last touchstart event happened. */
   private _lastTouchStartEvent: number;
 
-  constructor(private _ripple: MatRipple,
+  constructor(private _target: RippleTarget,
               private _ngZone: NgZone,
               elementRef: ElementRef,
               platform: Platform) {
@@ -170,7 +182,7 @@ export class RippleRenderer {
     }
 
     // Remove all previously registered event listeners from the trigger element.
-    this._removeTriggerListeners();
+    this._removeTriggerEvents();
 
     this._ngZone.runOutsideAngular(() => {
       this._triggerEvents.forEach((fn, type) => element.addEventListener(type, fn));
@@ -184,23 +196,23 @@ export class RippleRenderer {
     const isSyntheticEvent = this._lastTouchStartEvent &&
         Date.now() < this._lastTouchStartEvent + IGNORE_MOUSE_EVENTS_TIMEOUT;
 
-    if (!this._ripple.disabled && !isSyntheticEvent) {
+    if (!this._target.rippleDisabled && !isSyntheticEvent) {
       this._isPointerDown = true;
-      this.fadeInRipple(event.clientX, event.clientY, this._ripple.rippleConfig);
+      this.fadeInRipple(event.clientX, event.clientY, this._target.rippleConfig);
     }
   }
 
   /** Function being called whenever the trigger is being pressed using touch. */
   private onTouchStart(event: TouchEvent) {
-    if (!this._ripple.disabled) {
+    if (!this._target.rippleDisabled) {
       // Some browsers fire mouse events after a `touchstart` event. Those synthetic mouse
       // events will launch a second ripple if we don't ignore mouse events for a specific
       // time after a touchstart event.
       this._lastTouchStartEvent = Date.now();
       this._isPointerDown = true;
 
       this.fadeInRipple(
-          event.touches[0].clientX, event.touches[0].clientY, this._ripple.rippleConfig);
+          event.touches[0].clientX, event.touches[0].clientY, this._target.rippleConfig);
     }
   }
 
@@ -226,7 +238,7 @@ export class RippleRenderer {
   }
 
   /** Removes previously registered event listeners from the trigger element. */
-  _removeTriggerListeners() {
+  _removeTriggerEvents() {
     if (this._triggerElement) {
       this._triggerEvents.forEach((fn, type) => {
         this._triggerElement!.removeEventListener(type, fn);

src/lib/core/ripple/ripple.ts

@@ -19,7 +19,7 @@ import {
   Optional,
 } from '@angular/core';
 import {RippleRef} from './ripple-ref';
-import {RippleConfig, RippleRenderer} from './ripple-renderer';
+import {RippleConfig, RippleRenderer, RippleTarget} from './ripple-renderer';
 
 /** Configurable options for `matRipple`. */
 export interface RippleGlobalOptions {
@@ -49,7 +49,7 @@ export const MAT_RIPPLE_GLOBAL_OPTIONS =
     '[class.mat-ripple-unbounded]': 'unbounded'
   }
 })
-export class MatRipple implements OnInit, OnDestroy {
+export class MatRipple implements OnInit, OnDestroy, RippleTarget {
 
   /** Custom color for all ripples. */
   @Input('matRippleColor') color: string;
@@ -82,7 +82,7 @@ export class MatRipple implements OnInit, OnDestroy {
    * by using the `launch()` method.
    */
   @Input('matRippleDisabled')
-  get disabled() { return this._disabled || !!this._globalOptions.disabled; }
+  get disabled() { return this._disabled; }
   set disabled(value: boolean) {
     this._disabled = value;
     this._setupTriggerEventsIfEnabled();
@@ -125,7 +125,7 @@ export class MatRipple implements OnInit, OnDestroy {
   }
 
   ngOnDestroy() {
-    this._rippleRenderer._removeTriggerListeners();
+    this._rippleRenderer._removeTriggerEvents();
   }
 
   /** Launches a manual ripple at the specified position. */
@@ -148,6 +148,11 @@ export class MatRipple implements OnInit, OnDestroy {
     };
   }
 
+  /** Whether ripples on pointer-down are  disabled or not. */
+  get rippleDisabled(): boolean {
+    return this.disabled || !!this._globalOptions.disabled;
+  }
+
   /** Sets up the the trigger event listeners if ripples are enabled. */
   private _setupTriggerEventsIfEnabled() {
     if (!this.disabled && this._isInitialized) {

src/lib/tabs/tab-nav-bar/tab-nav-bar.ts

@@ -8,7 +8,6 @@
 import {Directionality} from '@angular/cdk/bidi';
 import {coerceBooleanProperty} from '@angular/cdk/coercion';
 import {Platform} from '@angular/cdk/platform';
-import {takeUntil} from 'rxjs/operators/takeUntil';
 import {ViewportRuler} from '@angular/cdk/scrolling';
 import {
   AfterContentInit,
@@ -35,16 +34,18 @@ import {
   CanDisableRipple,
   HasTabIndex,
   MAT_RIPPLE_GLOBAL_OPTIONS,
-  MatRipple,
   mixinColor,
   mixinDisabled,
   mixinDisableRipple,
-  mixinTabIndex,
+  mixinTabIndex, RippleConfig,
   RippleGlobalOptions,
+  RippleRenderer,
+  RippleTarget,
   ThemePalette,
 } from '@angular/material/core';
 import {merge} from 'rxjs/observable/merge';
 import {of as observableOf} from 'rxjs/observable/of';
+import {takeUntil} from 'rxjs/operators/takeUntil';
 import {Subject} from 'rxjs/Subject';
 import {MatInkBar} from '../ink-bar';
 
@@ -171,15 +172,16 @@ export class MatTabNav extends _MatTabNavMixinBase implements AfterContentInit,
 
 // Boilerplate for applying mixins to MatTabLink.
 export class MatTabLinkBase {}
-export const _MatTabLinkMixinBase = mixinTabIndex(mixinDisabled(MatTabLinkBase));
+export const _MatTabLinkMixinBase =
+  mixinTabIndex(mixinDisableRipple(mixinDisabled(MatTabLinkBase)));
 
 /**
  * Link inside of a `mat-tab-nav-bar`.
  */
 @Directive({
   selector: '[mat-tab-link], [matTabLink]',
   exportAs: 'matTabLink',
-  inputs: ['disabled', 'tabIndex'],
+  inputs: ['disabled', 'disableRipple', 'tabIndex'],
   host: {
     'class': 'mat-tab-link',
     '[attr.aria-disabled]': 'disabled.toString()',
@@ -189,16 +191,13 @@ export const _MatTabLinkMixinBase = mixinTabIndex(mixinDisabled(MatTabLinkBase))
   }
 })
 export class MatTabLink extends _MatTabLinkMixinBase
-    implements OnDestroy, CanDisable, HasTabIndex {
+    implements OnDestroy, CanDisable, CanDisableRipple, HasTabIndex, RippleTarget {
 
   /** Whether the tab link is active or not. */
   private _isActive: boolean = false;
 
-  /** Whether the ripples for this tab should be disabled or not. */
-  private _disableRipple: boolean = false;
-
-  /** Reference to the instance of the ripple for the tab link. */
-  private _tabLinkRipple: MatRipple;
+  /** Reference to the RippleRenderer for the tab-link. */
+  private _tabLinkRipple: RippleRenderer;
 
   /** Whether the link is active. */
   @Input()
@@ -210,11 +209,18 @@ export class MatTabLink extends _MatTabLinkMixinBase
     }
   }
 
-  /** Whether ripples should be disabled or not. */
-  get disableRipple(): boolean { return this.disabled || this._disableRipple; }
-  set disableRipple(value: boolean) {
-    this._disableRipple = value;
-    this._tabLinkRipple.disabled = this.disableRipple;
+  /**
+   * Ripple configuration for ripples that are launched on pointer down.
+   * @docs-private
+   */
+  rippleConfig: RippleConfig = {};
+
+  /**
+   * Whether ripples are disabled on interaction
+   * @docs-private
+   */
+  get rippleDisabled(): boolean {
+    return this.disabled || this.disableRipple;
   }
 
   constructor(private _tabNavBar: MatTabNav,
@@ -225,17 +231,17 @@ export class MatTabLink extends _MatTabLinkMixinBase
               @Attribute('tabindex') tabIndex: string) {
     super();
 
-    // Manually create a ripple instance that uses the tab link element as trigger element.
-    // Notice that the lifecycle hooks for the ripple config won't be called anymore.
-    this._tabLinkRipple = new MatRipple(_elementRef, ngZone, platform, globalOptions);
-    this._tabLinkRipple.ngOnInit();
+    this._tabLinkRipple = new RippleRenderer(this, ngZone, _elementRef, platform);
+    this._tabLinkRipple.setupTriggerEvents(_elementRef.nativeElement);
 
     this.tabIndex = parseInt(tabIndex) || 0;
+
+    if (globalOptions) {
+      this.rippleConfig = {speedFactor: globalOptions.baseSpeedFactor};
+    }
   }
 
   ngOnDestroy() {
-    // Manually call the ngOnDestroy lifecycle hook of the ripple instance because it won't be
-    // called automatically since its instance is not created by Angular.
-    this._tabLinkRipple.ngOnDestroy();
+    this._tabLinkRipple._removeTriggerEvents();
   }
 }