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[6a3a178] | 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { NgZone } from '@angular/core';
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| 9 | import { ScrollStrategy } from './scroll-strategy';
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| 10 | import { OverlayReference } from '../overlay-reference';
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| 11 | import { ScrollDispatcher, ViewportRuler } from '@angular/cdk/scrolling';
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| 12 | /**
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| 13 | * Config options for the RepositionScrollStrategy.
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| 14 | */
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| 15 | export interface RepositionScrollStrategyConfig {
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| 16 | /** Time in milliseconds to throttle the scroll events. */
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| 17 | scrollThrottle?: number;
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| 18 | /** Whether to close the overlay once the user has scrolled away completely. */
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| 19 | autoClose?: boolean;
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| 20 | }
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| 21 | /**
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| 22 | * Strategy that will update the element position as the user is scrolling.
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| 23 | */
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| 24 | export declare class RepositionScrollStrategy implements ScrollStrategy {
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| 25 | private _scrollDispatcher;
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| 26 | private _viewportRuler;
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| 27 | private _ngZone;
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| 28 | private _config?;
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| 29 | private _scrollSubscription;
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| 30 | private _overlayRef;
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| 31 | constructor(_scrollDispatcher: ScrollDispatcher, _viewportRuler: ViewportRuler, _ngZone: NgZone, _config?: RepositionScrollStrategyConfig | undefined);
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| 32 | /** Attaches this scroll strategy to an overlay. */
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| 33 | attach(overlayRef: OverlayReference): void;
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| 34 | /** Enables repositioning of the attached overlay on scroll. */
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| 35 | enable(): void;
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| 36 | /** Disables repositioning of the attached overlay on scroll. */
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| 37 | disable(): void;
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| 38 | detach(): void;
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| 39 | }
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