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88 lines
2.9 KiB
88 lines
2.9 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 { PositionStrategy } from './position-strategy';
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import { OverlayReference } from '../overlay-reference';
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/**
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* A strategy for positioning overlays. Using this strategy, an overlay is given an
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* explicit position relative to the browser's viewport. We use flexbox, instead of
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* transforms, in order to avoid issues with subpixel rendering which can cause the
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* element to become blurry.
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*/
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export declare class GlobalPositionStrategy implements PositionStrategy {
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/** The overlay to which this strategy is attached. */
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private _overlayRef;
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private _cssPosition;
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private _topOffset;
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private _bottomOffset;
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private _leftOffset;
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private _rightOffset;
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private _alignItems;
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private _justifyContent;
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private _width;
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private _height;
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private _isDisposed;
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attach(overlayRef: OverlayReference): void;
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/**
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* Sets the top position of the overlay. Clears any previously set vertical position.
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* @param value New top offset.
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*/
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top(value?: string): this;
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/**
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* Sets the left position of the overlay. Clears any previously set horizontal position.
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* @param value New left offset.
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*/
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left(value?: string): this;
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/**
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* Sets the bottom position of the overlay. Clears any previously set vertical position.
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* @param value New bottom offset.
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*/
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bottom(value?: string): this;
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/**
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* Sets the right position of the overlay. Clears any previously set horizontal position.
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* @param value New right offset.
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*/
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right(value?: string): this;
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/**
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* Sets the overlay width and clears any previously set width.
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* @param value New width for the overlay
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* @deprecated Pass the `width` through the `OverlayConfig`.
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* @breaking-change 8.0.0
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*/
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width(value?: string): this;
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/**
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* Sets the overlay height and clears any previously set height.
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* @param value New height for the overlay
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* @deprecated Pass the `height` through the `OverlayConfig`.
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* @breaking-change 8.0.0
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*/
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height(value?: string): this;
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/**
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* Centers the overlay horizontally with an optional offset.
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* Clears any previously set horizontal position.
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*
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* @param offset Overlay offset from the horizontal center.
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*/
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centerHorizontally(offset?: string): this;
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/**
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* Centers the overlay vertically with an optional offset.
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* Clears any previously set vertical position.
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*
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* @param offset Overlay offset from the vertical center.
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*/
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centerVertically(offset?: string): this;
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/**
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* Apply the position to the element.
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* @docs-private
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*/
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apply(): void;
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/**
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* Cleans up the DOM changes from the position strategy.
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* @docs-private
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*/
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dispose(): void;
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}
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