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/**
* @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
*/
/* tslint:disable:array-type member-access variable-name typedef
only-arrow-functions directive-class-suffix component-class-suffix
component-selector no-unnecessary-type-assertion arrow-parens*/
/** Horizontal dimension of a connection point on the perimeter of the origin or
* overlay element. */
import {Optional} from '@angular/core';
export type HorizontalConnectionPos = 'start' | 'center' | 'end';
/** Vertical dimension of a connection point on the perimeter of the origin or
* overlay element. */
export type VerticalConnectionPos = 'top' | 'center' | 'bottom';
/** A connection point on the origin element. */
export interface OriginConnectionPosition {
originX: HorizontalConnectionPos;
originY: VerticalConnectionPos;
}
/** A connection point on the overlay element. */
export interface OverlayConnectionPosition {
overlayX: HorizontalConnectionPos;
overlayY: VerticalConnectionPos;
}
/** The points of the origin element and the overlay element to connect. */
export class ConnectionPositionPair {
originX: HorizontalConnectionPos;
originY: VerticalConnectionPos;
overlayX: HorizontalConnectionPos;
overlayY: VerticalConnectionPos;
constructor(
origin: OriginConnectionPosition, overlay: OverlayConnectionPosition) {
this.originX = origin.originX;
this.originY = origin.originY;
this.overlayX = overlay.overlayX;
this.overlayY = overlay.overlayY;
}
}
/**
* Set of properties regarding the position of the origin and overlay relative
* to the viewport with respect to the containing Scrollable elements.
*
* The overlay and origin are clipped if any part of their bounding client
* rectangle exceeds the bounds of any one of the strategy's Scrollable's
* bounding client rectangle.
*
* The overlay and origin are outside view if there is no overlap between their
* bounding client rectangle and any one of the strategy's Scrollable's bounding
* client rectangle.
*
* ----------- -----------
* | outside | | clipped |
* | view | --------------------------
* | | | | | |
* ---------- | ----------- |
* -------------------------- | |
* | | | Scrollable |
* | | | |
* | | --------------------------
* | Scrollable |
* | |
* --------------------------
*/
export class ScrollableViewProperties {
isOriginClipped: boolean;
isOriginOutsideView: boolean;
isOverlayClipped: boolean;
isOverlayOutsideView: boolean;
}
/** The change event emitted by the strategy when a fallback position is used.
*/
export class ConnectedOverlayPositionChange {
constructor(
public connectionPair: ConnectionPositionPair,
@Optional() public scrollableViewProperties: ScrollableViewProperties) {}
}
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