@angular/platform-browser
Version:
Angular - library for using Angular in a web browser
249 lines • 35.1 kB
JavaScript
import { ɵAnimationEngine as AnimationEngine } from '@angular/animations/browser';
import { Injectable, NgZone, RendererFactory2 } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "@angular/animations/browser";
const ANIMATION_PREFIX = '@';
const DISABLE_ANIMATIONS_FLAG = '@.disabled';
export class AnimationRendererFactory {
constructor(delegate, engine, _zone) {
this.delegate = delegate;
this.engine = engine;
this._zone = _zone;
this._currentId = 0;
this._microtaskId = 1;
this._animationCallbacksBuffer = [];
this._rendererCache = new Map();
this._cdRecurDepth = 0;
this.promise = Promise.resolve(0);
engine.onRemovalComplete = (element, delegate) => {
// Note: if a component element has a leave animation, and a host leave animation,
// the view engine will call `removeChild` for the parent
// component renderer as well as for the child component renderer.
// Therefore, we need to check if we already removed the element.
const parentNode = delegate?.parentNode(element);
if (parentNode) {
delegate.removeChild(parentNode, element);
}
};
}
createRenderer(hostElement, type) {
const EMPTY_NAMESPACE_ID = '';
// cache the delegates to find out which cached delegate can
// be used by which cached renderer
const delegate = this.delegate.createRenderer(hostElement, type);
if (!hostElement || !type || !type.data || !type.data['animation']) {
let renderer = this._rendererCache.get(delegate);
if (!renderer) {
renderer = new BaseAnimationRenderer(EMPTY_NAMESPACE_ID, delegate, this.engine);
// only cache this result when the base renderer is used
this._rendererCache.set(delegate, renderer);
}
return renderer;
}
const componentId = type.id;
const namespaceId = type.id + '-' + this._currentId;
this._currentId++;
this.engine.register(namespaceId, hostElement);
const registerTrigger = (trigger) => {
if (Array.isArray(trigger)) {
trigger.forEach(registerTrigger);
}
else {
this.engine.registerTrigger(componentId, namespaceId, hostElement, trigger.name, trigger);
}
};
const animationTriggers = type.data['animation'];
animationTriggers.forEach(registerTrigger);
return new AnimationRenderer(this, namespaceId, delegate, this.engine);
}
begin() {
this._cdRecurDepth++;
if (this.delegate.begin) {
this.delegate.begin();
}
}
_scheduleCountTask() {
// always use promise to schedule microtask instead of use Zone
this.promise.then(() => {
this._microtaskId++;
});
}
/** @internal */
scheduleListenerCallback(count, fn, data) {
if (count >= 0 && count < this._microtaskId) {
this._zone.run(() => fn(data));
return;
}
if (this._animationCallbacksBuffer.length == 0) {
Promise.resolve(null).then(() => {
this._zone.run(() => {
this._animationCallbacksBuffer.forEach(tuple => {
const [fn, data] = tuple;
fn(data);
});
this._animationCallbacksBuffer = [];
});
});
}
this._animationCallbacksBuffer.push([fn, data]);
}
end() {
this._cdRecurDepth--;
// this is to prevent animations from running twice when an inner
// component does CD when a parent component instead has inserted it
if (this._cdRecurDepth == 0) {
this._zone.runOutsideAngular(() => {
this._scheduleCountTask();
this.engine.flush(this._microtaskId);
});
}
if (this.delegate.end) {
this.delegate.end();
}
}
whenRenderingDone() {
return this.engine.whenRenderingDone();
}
}
AnimationRendererFactory.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.3", ngImport: i0, type: AnimationRendererFactory, deps: [{ token: i0.RendererFactory2 }, { token: i1.ɵAnimationEngine }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Injectable });
AnimationRendererFactory.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.0.3", ngImport: i0, type: AnimationRendererFactory });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.3", ngImport: i0, type: AnimationRendererFactory, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i0.RendererFactory2 }, { type: i1.ɵAnimationEngine }, { type: i0.NgZone }]; } });
export class BaseAnimationRenderer {
constructor(namespaceId, delegate, engine) {
this.namespaceId = namespaceId;
this.delegate = delegate;
this.engine = engine;
this.destroyNode = this.delegate.destroyNode ? (n) => delegate.destroyNode(n) : null;
}
get data() {
return this.delegate.data;
}
destroy() {
this.engine.destroy(this.namespaceId, this.delegate);
this.delegate.destroy();
}
createElement(name, namespace) {
return this.delegate.createElement(name, namespace);
}
createComment(value) {
return this.delegate.createComment(value);
}
createText(value) {
return this.delegate.createText(value);
}
appendChild(parent, newChild) {
this.delegate.appendChild(parent, newChild);
this.engine.onInsert(this.namespaceId, newChild, parent, false);
}
insertBefore(parent, newChild, refChild, isMove = true) {
this.delegate.insertBefore(parent, newChild, refChild);
// If `isMove` true than we should animate this insert.
this.engine.onInsert(this.namespaceId, newChild, parent, isMove);
}
removeChild(parent, oldChild, isHostElement) {
this.engine.onRemove(this.namespaceId, oldChild, this.delegate, isHostElement);
}
selectRootElement(selectorOrNode, preserveContent) {
return this.delegate.selectRootElement(selectorOrNode, preserveContent);
}
parentNode(node) {
return this.delegate.parentNode(node);
}
nextSibling(node) {
return this.delegate.nextSibling(node);
}
setAttribute(el, name, value, namespace) {
this.delegate.setAttribute(el, name, value, namespace);
}
removeAttribute(el, name, namespace) {
this.delegate.removeAttribute(el, name, namespace);
}
addClass(el, name) {
this.delegate.addClass(el, name);
}
removeClass(el, name) {
this.delegate.removeClass(el, name);
}
setStyle(el, style, value, flags) {
this.delegate.setStyle(el, style, value, flags);
}
removeStyle(el, style, flags) {
this.delegate.removeStyle(el, style, flags);
}
setProperty(el, name, value) {
if (name.charAt(0) == ANIMATION_PREFIX && name == DISABLE_ANIMATIONS_FLAG) {
this.disableAnimations(el, !!value);
}
else {
this.delegate.setProperty(el, name, value);
}
}
setValue(node, value) {
this.delegate.setValue(node, value);
}
listen(target, eventName, callback) {
return this.delegate.listen(target, eventName, callback);
}
disableAnimations(element, value) {
this.engine.disableAnimations(element, value);
}
}
export class AnimationRenderer extends BaseAnimationRenderer {
constructor(factory, namespaceId, delegate, engine) {
super(namespaceId, delegate, engine);
this.factory = factory;
this.namespaceId = namespaceId;
}
setProperty(el, name, value) {
if (name.charAt(0) == ANIMATION_PREFIX) {
if (name.charAt(1) == '.' && name == DISABLE_ANIMATIONS_FLAG) {
value = value === undefined ? true : !!value;
this.disableAnimations(el, value);
}
else {
this.engine.process(this.namespaceId, el, name.substr(1), value);
}
}
else {
this.delegate.setProperty(el, name, value);
}
}
listen(target, eventName, callback) {
if (eventName.charAt(0) == ANIMATION_PREFIX) {
const element = resolveElementFromTarget(target);
let name = eventName.substr(1);
let phase = '';
// @listener.phase is for trigger animation callbacks
// @@listener is for animation builder callbacks
if (name.charAt(0) != ANIMATION_PREFIX) {
[name, phase] = parseTriggerCallbackName(name);
}
return this.engine.listen(this.namespaceId, element, name, phase, event => {
const countId = event['_data'] || -1;
this.factory.scheduleListenerCallback(countId, callback, event);
});
}
return this.delegate.listen(target, eventName, callback);
}
}
function resolveElementFromTarget(target) {
switch (target) {
case 'body':
return document.body;
case 'document':
return document;
case 'window':
return window;
default:
return target;
}
}
function parseTriggerCallbackName(triggerName) {
const dotIndex = triggerName.indexOf('.');
const trigger = triggerName.substring(0, dotIndex);
const phase = triggerName.substr(dotIndex + 1);
return [trigger, phase];
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {AnimationTriggerMetadata} from '@angular/animations';\nimport {ɵAnimationEngine as AnimationEngine} from '@angular/animations/browser';\nimport {Injectable, NgZone, Renderer2, RendererFactory2, RendererStyleFlags2, RendererType2} from '@angular/core';\n\nconst ANIMATION_PREFIX = '@';\nconst DISABLE_ANIMATIONS_FLAG = '@.disabled';\n\n// Define a recursive type to allow for nested arrays of `AnimationTriggerMetadata`. Note that an\n// interface declaration is used as TypeScript prior to 3.7 does not support recursive type\n// references, see https://github.com/microsoft/TypeScript/pull/33050 for details.\ntype NestedAnimationTriggerMetadata = AnimationTriggerMetadata|RecursiveAnimationTriggerMetadata;\ninterface RecursiveAnimationTriggerMetadata extends Array<NestedAnimationTriggerMetadata> {}\n\n@Injectable()\nexport class AnimationRendererFactory implements RendererFactory2 {\n  private _currentId: number = 0;\n  private _microtaskId: number = 1;\n  private _animationCallbacksBuffer: [(e: any) => any, any][] = [];\n  private _rendererCache = new Map<Renderer2, BaseAnimationRenderer>();\n  private _cdRecurDepth = 0;\n  private promise: Promise<any> = Promise.resolve(0);\n\n  constructor(\n      private delegate: RendererFactory2, private engine: AnimationEngine, private _zone: NgZone) {\n    engine.onRemovalComplete = (element: any, delegate: Renderer2) => {\n      // Note: if a component element has a leave animation, and a host leave animation,\n      // the view engine will call `removeChild` for the parent\n      // component renderer as well as for the child component renderer.\n      // Therefore, we need to check if we already removed the element.\n      const parentNode = delegate?.parentNode(element);\n      if (parentNode) {\n        delegate.removeChild(parentNode, element);\n      }\n    };\n  }\n\n  createRenderer(hostElement: any, type: RendererType2): Renderer2 {\n    const EMPTY_NAMESPACE_ID = '';\n\n    // cache the delegates to find out which cached delegate can\n    // be used by which cached renderer\n    const delegate = this.delegate.createRenderer(hostElement, type);\n    if (!hostElement || !type || !type.data || !type.data['animation']) {\n      let renderer: BaseAnimationRenderer|undefined = this._rendererCache.get(delegate);\n      if (!renderer) {\n        renderer = new BaseAnimationRenderer(EMPTY_NAMESPACE_ID, delegate, this.engine);\n        // only cache this result when the base renderer is used\n        this._rendererCache.set(delegate, renderer);\n      }\n      return renderer;\n    }\n\n    const componentId = type.id;\n    const namespaceId = type.id + '-' + this._currentId;\n    this._currentId++;\n\n    this.engine.register(namespaceId, hostElement);\n\n    const registerTrigger = (trigger: NestedAnimationTriggerMetadata) => {\n      if (Array.isArray(trigger)) {\n        trigger.forEach(registerTrigger);\n      } else {\n        this.engine.registerTrigger(componentId, namespaceId, hostElement, trigger.name, trigger);\n      }\n    };\n    const animationTriggers = type.data['animation'] as NestedAnimationTriggerMetadata[];\n    animationTriggers.forEach(registerTrigger);\n\n    return new AnimationRenderer(this, namespaceId, delegate, this.engine);\n  }\n\n  begin() {\n    this._cdRecurDepth++;\n    if (this.delegate.begin) {\n      this.delegate.begin();\n    }\n  }\n\n  private _scheduleCountTask() {\n    // always use promise to schedule microtask instead of use Zone\n    this.promise.then(() => {\n      this._microtaskId++;\n    });\n  }\n\n  /** @internal */\n  scheduleListenerCallback(count: number, fn: (e: any) => any, data: any) {\n    if (count >= 0 && count < this._microtaskId) {\n      this._zone.run(() => fn(data));\n      return;\n    }\n\n    if (this._animationCallbacksBuffer.length == 0) {\n      Promise.resolve(null).then(() => {\n        this._zone.run(() => {\n          this._animationCallbacksBuffer.forEach(tuple => {\n            const [fn, data] = tuple;\n            fn(data);\n          });\n          this._animationCallbacksBuffer = [];\n        });\n      });\n    }\n\n    this._animationCallbacksBuffer.push([fn, data]);\n  }\n\n  end() {\n    this._cdRecurDepth--;\n\n    // this is to prevent animations from running twice when an inner\n    // component does CD when a parent component instead has inserted it\n    if (this._cdRecurDepth == 0) {\n      this._zone.runOutsideAngular(() => {\n        this._scheduleCountTask();\n        this.engine.flush(this._microtaskId);\n      });\n    }\n    if (this.delegate.end) {\n      this.delegate.end();\n    }\n  }\n\n  whenRenderingDone(): Promise<any> {\n    return this.engine.whenRenderingDone();\n  }\n}\n\nexport class BaseAnimationRenderer implements Renderer2 {\n  constructor(\n      protected namespaceId: string, public delegate: Renderer2, public engine: AnimationEngine) {\n    this.destroyNode = this.delegate.destroyNode ? (n) => delegate.destroyNode!(n) : null;\n  }\n\n  get data() {\n    return this.delegate.data;\n  }\n\n  destroyNode: ((n: any) => void)|null;\n\n  destroy(): void {\n    this.engine.destroy(this.namespaceId, this.delegate);\n    this.delegate.destroy();\n  }\n\n  createElement(name: string, namespace?: string|null|undefined) {\n    return this.delegate.createElement(name, namespace);\n  }\n\n  createComment(value: string) {\n    return this.delegate.createComment(value);\n  }\n\n  createText(value: string) {\n    return this.delegate.createText(value);\n  }\n\n  appendChild(parent: any, newChild: any): void {\n    this.delegate.appendChild(parent, newChild);\n    this.engine.onInsert(this.namespaceId, newChild, parent, false);\n  }\n\n  insertBefore(parent: any, newChild: any, refChild: any, isMove: boolean = true): void {\n    this.delegate.insertBefore(parent, newChild, refChild);\n    // If `isMove` true than we should animate this insert.\n    this.engine.onInsert(this.namespaceId, newChild, parent, isMove);\n  }\n\n  removeChild(parent: any, oldChild: any, isHostElement: boolean): void {\n    this.engine.onRemove(this.namespaceId, oldChild, this.delegate, isHostElement);\n  }\n\n  selectRootElement(selectorOrNode: any, preserveContent?: boolean) {\n    return this.delegate.selectRootElement(selectorOrNode, preserveContent);\n  }\n\n  parentNode(node: any) {\n    return this.delegate.parentNode(node);\n  }\n\n  nextSibling(node: any) {\n    return this.delegate.nextSibling(node);\n  }\n\n  setAttribute(el: any, name: string, value: string, namespace?: string|null|undefined): void {\n    this.delegate.setAttribute(el, name, value, namespace);\n  }\n\n  removeAttribute(el: any, name: string, namespace?: string|null|undefined): void {\n    this.delegate.removeAttribute(el, name, namespace);\n  }\n\n  addClass(el: any, name: string): void {\n    this.delegate.addClass(el, name);\n  }\n\n  removeClass(el: any, name: string): void {\n    this.delegate.removeClass(el, name);\n  }\n\n  setStyle(el: any, style: string, value: any, flags?: RendererStyleFlags2|undefined): void {\n    this.delegate.setStyle(el, style, value, flags);\n  }\n\n  removeStyle(el: any, style: string, flags?: RendererStyleFlags2|undefined): void {\n    this.delegate.removeStyle(el, style, flags);\n  }\n\n  setProperty(el: any, name: string, value: any): void {\n    if (name.charAt(0) == ANIMATION_PREFIX && name == DISABLE_ANIMATIONS_FLAG) {\n      this.disableAnimations(el, !!value);\n    } else {\n      this.delegate.setProperty(el, name, value);\n    }\n  }\n\n  setValue(node: any, value: string): void {\n    this.delegate.setValue(node, value);\n  }\n\n  listen(target: any, eventName: string, callback: (event: any) => boolean | void): () => void {\n    return this.delegate.listen(target, eventName, callback);\n  }\n\n  protected disableAnimations(element: any, value: boolean) {\n    this.engine.disableAnimations(element, value);\n  }\n}\n\nexport class AnimationRenderer extends BaseAnimationRenderer implements Renderer2 {\n  constructor(\n      public factory: AnimationRendererFactory, namespaceId: string, delegate: Renderer2,\n      engine: AnimationEngine) {\n    super(namespaceId, delegate, engine);\n    this.namespaceId = namespaceId;\n  }\n\n  override setProperty(el: any, name: string, value: any): void {\n    if (name.charAt(0) == ANIMATION_PREFIX) {\n      if (name.charAt(1) == '.' && name == DISABLE_ANIMATIONS_FLAG) {\n        value = value === undefined ? true : !!value;\n        this.disableAnimations(el, value as boolean);\n      } else {\n        this.engine.process(this.namespaceId, el, name.substr(1), value);\n      }\n    } else {\n      this.delegate.setProperty(el, name, value);\n    }\n  }\n\n  override listen(\n      target: 'window'|'document'|'body'|any, eventName: string,\n      callback: (event: any) => any): () => void {\n    if (eventName.charAt(0) == ANIMATION_PREFIX) {\n      const element = resolveElementFromTarget(target);\n      let name = eventName.substr(1);\n      let phase = '';\n      // @listener.phase is for trigger animation callbacks\n      // @@listener is for animation builder callbacks\n      if (name.charAt(0) != ANIMATION_PREFIX) {\n        [name, phase] = parseTriggerCallbackName(name);\n      }\n      return this.engine.listen(this.namespaceId, element, name, phase, event => {\n        const countId = (event as any)['_data'] || -1;\n        this.factory.scheduleListenerCallback(countId, callback, event);\n      });\n    }\n    return this.delegate.listen(target, eventName, callback);\n  }\n}\n\nfunction resolveElementFromTarget(target: 'window'|'document'|'body'|any): any {\n  switch (target) {\n    case 'body':\n      return document.body;\n    case 'document':\n      return document;\n    case 'window':\n      return window;\n    default:\n      return target;\n  }\n}\n\nfunction parseTriggerCallbackName(triggerName: string) {\n  const dotIndex = triggerName.indexOf('.');\n  const trigger = triggerName.substring(0, dotIndex);\n  const phase = triggerName.substr(dotIndex + 1);\n  return [trigger, phase];\n}\n"]}