/** * @license * Copyright Google Inc. 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 { ChangeDetectorRef } from '../change_detection/change_detector_ref'; import { AppView } from './view'; /** * @stable */ export declare abstract class ViewRef { readonly destroyed: boolean; abstract onDestroy(callback: Function): any; } /** * Represents an Angular View. * * * A View is a fundamental building block of the application UI. It is the smallest grouping of * Elements which are created and destroyed together. * * Properties of elements in a View can change, but the structure (number and order) of elements in * a View cannot. Changing the structure of Elements can only be done by inserting, moving or * removing nested Views via a {@link ViewContainerRef}. Each View can contain many View Containers. * * * ### Example * * Given this template... * * ``` * Count: {{items.length}} * * ``` * * We have two {@link TemplateRef}s: * * Outer {@link TemplateRef}: * ``` * Count: {{items.length}} * * ``` * * Inner {@link TemplateRef}: * ``` *
  • {{item}}
  • * ``` * * Notice that the original template is broken down into two separate {@link TemplateRef}s. * * The outer/inner {@link TemplateRef}s are then assembled into views like so: * * ``` * * Count: 2 * * * ``` * @experimental */ export declare abstract class EmbeddedViewRef extends ViewRef { readonly context: C; readonly rootNodes: any[]; /** * Destroys the view and all of the data structures associated with it. */ abstract destroy(): any; } export declare class ViewRef_ implements EmbeddedViewRef, ChangeDetectorRef { private _view; constructor(_view: AppView); readonly internalView: AppView; readonly rootNodes: any[]; readonly context: C; readonly destroyed: boolean; markForCheck(): void; detach(): void; detectChanges(): void; checkNoChanges(): void; reattach(): void; onDestroy(callback: Function): void; destroy(): void; }