@angular/cdk
Version:
Angular Material Component Development Kit
61 lines • 7.8 kB
JavaScript
/**
* @license
* Copyright Google LLC 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 { ScrollDispatcher, ViewportRuler } from '@angular/cdk/scrolling';
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable, NgZone } from '@angular/core';
import { BlockScrollStrategy } from './block-scroll-strategy';
import { CloseScrollStrategy } from './close-scroll-strategy';
import { NoopScrollStrategy } from './noop-scroll-strategy';
import { RepositionScrollStrategy, } from './reposition-scroll-strategy';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/scrolling";
import * as i2 from "@angular/common";
/**
* Options for how an overlay will handle scrolling.
*
* Users can provide a custom value for `ScrollStrategyOptions` to replace the default
* behaviors. This class primarily acts as a factory for ScrollStrategy instances.
*/
var ScrollStrategyOptions = /** @class */ (function () {
function ScrollStrategyOptions(_scrollDispatcher, _viewportRuler, _ngZone, document) {
var _this = this;
this._scrollDispatcher = _scrollDispatcher;
this._viewportRuler = _viewportRuler;
this._ngZone = _ngZone;
/** Do nothing on scroll. */
this.noop = function () { return new NoopScrollStrategy(); };
/**
* Close the overlay as soon as the user scrolls.
* @param config Configuration to be used inside the scroll strategy.
*/
this.close = function (config) { return new CloseScrollStrategy(_this._scrollDispatcher, _this._ngZone, _this._viewportRuler, config); };
/** Block scrolling. */
this.block = function () { return new BlockScrollStrategy(_this._viewportRuler, _this._document); };
/**
* Update the overlay's position on scroll.
* @param config Configuration to be used inside the scroll strategy.
* Allows debouncing the reposition calls.
*/
this.reposition = function (config) { return new RepositionScrollStrategy(_this._scrollDispatcher, _this._viewportRuler, _this._ngZone, config); };
this._document = document;
}
ScrollStrategyOptions.decorators = [
{ type: Injectable, args: [{ providedIn: 'root' },] }
];
/** @nocollapse */
ScrollStrategyOptions.ctorParameters = function () { return [
{ type: ScrollDispatcher },
{ type: ViewportRuler },
{ type: NgZone },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
]; };
ScrollStrategyOptions.ɵprov = i0.ɵɵdefineInjectable({ factory: function ScrollStrategyOptions_Factory() { return new ScrollStrategyOptions(i0.ɵɵinject(i1.ScrollDispatcher), i0.ɵɵinject(i1.ViewportRuler), i0.ɵɵinject(i0.NgZone), i0.ɵɵinject(i2.DOCUMENT)); }, token: ScrollStrategyOptions, providedIn: "root" });
return ScrollStrategyOptions;
}());
export { ScrollStrategyOptions };
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