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39 lines
1.5 KiB
39 lines
1.5 KiB
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { NgZone } from '@angular/core';
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import { ScrollStrategy } from './scroll-strategy';
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import { OverlayReference } from '../overlay-reference';
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import { ScrollDispatcher, ViewportRuler } from '@angular/cdk/scrolling';
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/**
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* Config options for the RepositionScrollStrategy.
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*/
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export interface RepositionScrollStrategyConfig {
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/** Time in milliseconds to throttle the scroll events. */
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scrollThrottle?: number;
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/** Whether to close the overlay once the user has scrolled away completely. */
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autoClose?: boolean;
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}
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/**
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* Strategy that will update the element position as the user is scrolling.
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*/
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export declare class RepositionScrollStrategy implements ScrollStrategy {
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private _scrollDispatcher;
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private _viewportRuler;
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private _ngZone;
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private _config?;
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private _scrollSubscription;
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private _overlayRef;
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constructor(_scrollDispatcher: ScrollDispatcher, _viewportRuler: ViewportRuler, _ngZone: NgZone, _config?: RepositionScrollStrategyConfig | undefined);
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/** Attaches this scroll strategy to an overlay. */
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attach(overlayRef: OverlayReference): void;
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/** Enables repositioning of the attached overlay on scroll. */
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enable(): void;
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/** Disables repositioning of the attached overlay on scroll. */
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disable(): void;
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detach(): void;
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}
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