@blox/material
Version:
Material Components for Angular
174 lines • 25 kB
JavaScript
import { ElementRef, Renderer2, HostListener, Directive } from '@angular/core';
import { MDCRippleFoundation, util } from '@material/ripple';
import { events } from '@material/dom';
import { ponyfill } from '@material/dom';
import { MdcEventRegistry } from '../../utils/mdc.event.registry';
/** @docs-private */
export class AbstractMdcRipple {
constructor(_rippleElm, _renderer, _registry, doc) {
this._rippleElm = _rippleElm;
this._renderer = _renderer;
this._registry = _registry;
this.mdcRippleAdapter = {
browserSupportsCssVars: () => util.supportsCssVariables(this.document.defaultView),
isUnbounded: () => this._unbounded,
isSurfaceActive: () => this.isRippleSurfaceActive(),
isSurfaceDisabled: () => this.isRippleSurfaceDisabled(),
addClass: (className) => this.addClassToRipple(className),
removeClass: (className) => this.removeClassFromRipple(className),
containsEventTarget: (target) => this._rippleElm.nativeElement.contains(target),
registerInteractionHandler: (type, handler) => {
if (this.getRippleInteractionElement())
this._registry.listenElm(this._renderer, type, handler, this.getRippleInteractionElement().nativeElement, events.applyPassive());
},
deregisterInteractionHandler: (type, handler) => {
this._registry.unlisten(type, handler);
},
registerDocumentInteractionHandler: (type, handler) => this._registry.listenElm(this._renderer, type, handler, this.document, events.applyPassive()),
deregisterDocumentInteractionHandler: (type, handler) => this._registry.unlisten(type, handler),
registerResizeHandler: (handler) => {
this._registry.listenElm(this._renderer, 'resize', handler, this.document.defaultView);
},
deregisterResizeHandler: (handler) => {
this._registry.unlisten('resize', handler);
},
updateCssVariable: (name, value) => { this.getRippleStylingElement().nativeElement.style.setProperty(name, value); },
computeBoundingRect: () => this.computeRippleBoundingRect(),
getWindowPageOffset: () => ({ x: this.document.defaultView.pageXOffset, y: this.document.defaultView.pageYOffset })
};
/** @internal */
this._rippleFoundation = null;
this._unbounded = false;
this._rippleSurface = null;
// workaround compiler bug when using ViewEngine. Type Document fails compilation
this.document = doc;
}
/** @internal */
initRipple(unbounded = false) {
if (this._rippleFoundation)
throw new Error('initRipple() is called multiple times');
this._unbounded = unbounded;
this._rippleFoundation = new MDCRippleFoundation(this.mdcRippleAdapter);
this._rippleFoundation.init();
}
/** @internal */
destroyRipple() {
if (this._rippleFoundation) {
this._rippleFoundation.destroy();
this._rippleFoundation = null;
}
}
/** @internal */
reinitRipple() {
if (this._rippleFoundation) {
this.destroyRipple();
this.initRipple(this._unbounded);
}
}
/** @internal */
isRippleInitialized() {
return this._rippleFoundation != null;
}
/** @internal */
addRippleSurface(clazz, firstElement = false) {
this.destroyRippleSurface();
this._rippleSurface = this._renderer.createElement('div');
this._renderer.addClass(this._rippleSurface, clazz);
if (firstElement && this._rippleElm.nativeElement.children.length > 0) {
const firstChild = this._rippleElm.nativeElement.children.item(0);
this._renderer.insertBefore(this._rippleElm.nativeElement, this._rippleSurface, firstChild);
}
else
this._renderer.appendChild(this._rippleElm.nativeElement, this._rippleSurface);
return this._rippleSurface;
}
/** @internal */
destroyRippleSurface() {
if (this._rippleSurface) {
this._renderer.removeChild(this._rippleElm.nativeElement, this._rippleSurface);
this._rippleSurface = null;
}
}
activateRipple() {
if (this._rippleFoundation)
this._rippleFoundation.activate();
}
deactivateRipple() {
if (this._rippleFoundation)
this._rippleFoundation.deactivate();
}
layout() {
if (this._rippleFoundation)
this._rippleFoundation.layout();
}
get rippleSurface() {
return new ElementRef(this._rippleSurface);
}
getRippleInteractionElement() {
return this._rippleElm;
}
getRippleStylingElement() {
return this._rippleElm;
}
isRippleUnbounded() {
return this._unbounded;
}
/** @internal */
setRippleUnbounded(value) {
if (!!value !== this._unbounded) {
this._unbounded = !!value;
// despite what the documentation seems to indicate, you can't
// just change the unbounded property of an already initialized
// ripple. The initialization registers different handlers, and won't
// change those registrations when you change the unbounded property.
// Hence we destroy and re-init the whole thing:
this.reinitRipple();
}
}
isRippleSurfaceActive() {
let interactionElm = this.getRippleInteractionElement();
return !!interactionElm && this.isActiveElement(interactionElm.nativeElement);
}
isActiveElement(element) {
return element == null ? false : ponyfill.matches(element, ':active');
}
isRippleSurfaceDisabled() {
let interactionElm = this.getRippleInteractionElement();
return !!interactionElm && !!interactionElm.nativeElement.attributes.getNamedItem('disabled');
}
/** @internal */
addClassToRipple(name) {
this._renderer.addClass(this.getRippleStylingElement().nativeElement, name);
}
/** @internal */
removeClassFromRipple(name) {
this._renderer.removeClass(this.getRippleStylingElement().nativeElement, name);
}
computeRippleBoundingRect() {
return this._rippleElm.nativeElement.getBoundingClientRect();
}
/** @internal */
onFocus() {
if (this._rippleFoundation)
this._rippleFoundation.handleFocus();
}
/** @internal */
onBlur() {
if (this._rippleFoundation)
this._rippleFoundation.handleBlur();
}
}
AbstractMdcRipple.decorators = [
{ type: Directive }
];
AbstractMdcRipple.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: MdcEventRegistry },
{ type: undefined }
];
AbstractMdcRipple.propDecorators = {
onFocus: [{ type: HostListener, args: ['focusin',] }],
onBlur: [{ type: HostListener, args: ['focusout',] }]
};
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{ ElementRef, Renderer2, HostListener, Directive } from '@angular/core';\r\nimport { MDCRippleFoundation, MDCRippleAdapter, util } from '@material/ripple';\r\nimport { events } from '@material/dom';\r\nimport { ponyfill } from '@material/dom';\r\nimport { MdcEventRegistry } from '../../utils/mdc.event.registry';\r\n\r\n/** @docs-private */\r\n@Directive()\r\nexport abstract class AbstractMdcRipple {\r\n    private mdcRippleAdapter: MDCRippleAdapter = {\r\n        browserSupportsCssVars: () => util.supportsCssVariables(this.document.defaultView!),\r\n        isUnbounded: () => this._unbounded,\r\n        isSurfaceActive: () => this.isRippleSurfaceActive(),\r\n        isSurfaceDisabled: () => this.isRippleSurfaceDisabled(),\r\n        addClass: (className) => this.addClassToRipple(className),\r\n        removeClass: (className) => this.removeClassFromRipple(className),\r\n        containsEventTarget: (target) => this._rippleElm.nativeElement.contains(target),\r\n        registerInteractionHandler: (type, handler) => {\r\n            if (this.getRippleInteractionElement())\r\n                this._registry.listenElm(this._renderer, type, handler, this.getRippleInteractionElement()!.nativeElement, events.applyPassive());\r\n        },\r\n        deregisterInteractionHandler: (type, handler) => {\r\n            this._registry.unlisten(type, handler);\r\n        },\r\n        registerDocumentInteractionHandler: (type, handler) => this._registry.listenElm(this._renderer, type, handler, this.document, events.applyPassive()),\r\n        deregisterDocumentInteractionHandler: (type, handler) => this._registry.unlisten(type, handler),\r\n        registerResizeHandler: (handler) => {\r\n            this._registry.listenElm(this._renderer, 'resize', handler, this.document.defaultView!);\r\n        },\r\n        deregisterResizeHandler: (handler) => {\r\n            this._registry.unlisten('resize', handler);\r\n        },\r\n        updateCssVariable: (name, value) => { this.getRippleStylingElement().nativeElement.style.setProperty(name, value); },\r\n        computeBoundingRect: () => this.computeRippleBoundingRect(),\r\n        getWindowPageOffset: () => ({x: this.document.defaultView!.pageXOffset, y: this.document.defaultView!.pageYOffset})\r\n    }\r\n\r\n    /** @internal */\r\n    protected _rippleFoundation: MDCRippleFoundation | null = null;\r\n    private _unbounded = false;\r\n    private _rippleSurface: HTMLElement | null = null;\r\n    protected document: Document;\r\n\r\n    constructor(protected _rippleElm: ElementRef, protected _renderer: Renderer2, protected _registry: MdcEventRegistry,\r\n        doc: any) {\r\n        // workaround compiler bug when using ViewEngine. Type Document fails compilation\r\n        this.document = doc as Document\r\n    }\r\n\r\n    /** @internal */\r\n    protected initRipple(unbounded = false) {\r\n        if (this._rippleFoundation)\r\n            throw new Error('initRipple() is called multiple times');\r\n        this._unbounded = unbounded;\r\n        this._rippleFoundation = new MDCRippleFoundation(this.mdcRippleAdapter);\r\n        this._rippleFoundation.init();\r\n    }\r\n\r\n    /** @internal */\r\n    protected destroyRipple() {\r\n        if (this._rippleFoundation) {\r\n            this._rippleFoundation.destroy();\r\n            this._rippleFoundation = null;\r\n        }\r\n    }\r\n\r\n    /** @internal */\r\n    protected reinitRipple() {\r\n        if (this._rippleFoundation) {\r\n            this.destroyRipple();\r\n            this.initRipple(this._unbounded);\r\n        }\r\n    }\r\n\r\n    /** @internal */\r\n    protected isRippleInitialized() {\r\n        return this._rippleFoundation != null;\r\n    }\r\n\r\n    /** @internal */\r\n    protected addRippleSurface(clazz: string, firstElement = false) {\r\n        this.destroyRippleSurface();\r\n        this._rippleSurface = this._renderer.createElement('div');\r\n        this._renderer.addClass(this._rippleSurface, clazz);\r\n        if (firstElement && this._rippleElm.nativeElement.children.length > 0) {\r\n            const firstChild = this._rippleElm.nativeElement.children.item(0);\r\n            this._renderer.insertBefore(this._rippleElm.nativeElement, this._rippleSurface, firstChild);\r\n        } else\r\n            this._renderer.appendChild(this._rippleElm.nativeElement, this._rippleSurface);\r\n        return this._rippleSurface;\r\n    }\r\n\r\n    /** @internal */\r\n    protected destroyRippleSurface() {\r\n        if (this._rippleSurface) {\r\n            this._renderer.removeChild(this._rippleElm.nativeElement, this._rippleSurface);\r\n            this._rippleSurface = null;\r\n        }\r\n    }\r\n\r\n    activateRipple() {\r\n        if (this._rippleFoundation)\r\n            this._rippleFoundation.activate();\r\n    }\r\n\r\n    deactivateRipple() {\r\n        if (this._rippleFoundation)\r\n            this._rippleFoundation.deactivate();\r\n    }\r\n\r\n    layout() {\r\n        if (this._rippleFoundation)\r\n            this._rippleFoundation.layout();\r\n    }\r\n\r\n    protected get rippleSurface() {\r\n        return new ElementRef(this._rippleSurface);\r\n    }\r\n\r\n    protected getRippleInteractionElement(): ElementRef | undefined {\r\n        return this._rippleElm;\r\n    }\r\n\r\n    protected getRippleStylingElement() {\r\n        return this._rippleElm;\r\n    }\r\n\r\n    protected isRippleUnbounded(): boolean {\r\n        return this._unbounded;\r\n    }\r\n\r\n    /** @internal */\r\n    protected setRippleUnbounded(value: boolean) {\r\n        if (!!value !== this._unbounded) {\r\n            this._unbounded = !!value;\r\n            // despite what the documentation seems to indicate, you can't\r\n            // just change the unbounded property of an already initialized\r\n            // ripple. The initialization registers different handlers, and won't\r\n            // change those registrations when you change the unbounded property.\r\n            // Hence we destroy and re-init the whole thing:\r\n            this.reinitRipple();\r\n        }\r\n    }\r\n\r\n    protected isRippleSurfaceActive() {\r\n        let interactionElm = this.getRippleInteractionElement();\r\n        return !!interactionElm && this.isActiveElement(interactionElm.nativeElement);\r\n    }\r\n\r\n    protected isActiveElement(element: HTMLElement) {\r\n        return element == null ? false : ponyfill.matches(element, ':active');\r\n    }\r\n\r\n    protected isRippleSurfaceDisabled() {\r\n        let interactionElm = this.getRippleInteractionElement();\r\n        return !!interactionElm && !!interactionElm.nativeElement.attributes.getNamedItem('disabled');\r\n    }\r\n\r\n    /** @internal */\r\n    protected addClassToRipple(name: string) {\r\n        this._renderer.addClass(this.getRippleStylingElement().nativeElement, name);\r\n    }\r\n\r\n    /** @internal */\r\n    protected removeClassFromRipple(name: string) {\r\n        this._renderer.removeClass(this.getRippleStylingElement().nativeElement, name);\r\n    }\r\n\r\n    protected computeRippleBoundingRect() {\r\n        return this._rippleElm.nativeElement.getBoundingClientRect();\r\n    }\r\n\r\n    /** @internal */\r\n    @HostListener('focusin') onFocus() {\r\n        if (this._rippleFoundation)\r\n            this._rippleFoundation.handleFocus();\r\n    }\r\n\r\n    /** @internal */\r\n    @HostListener('focusout') onBlur() {\r\n        if (this._rippleFoundation)\r\n            this._rippleFoundation.handleBlur();\r\n    }\r\n}\r\n"]}