/**
 * @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 { CdkDrag } from './directives/drag';
import { CdkDropList } from './directives/drop-list';
/** Event emitted when the user starts dragging a draggable. */
export interface CdkDragStart<T = any> {
    /** Draggable that emitted the event. */
    source: CdkDrag<T>;
}
/** Event emitted when the user releases an item, before any animations have started. */
export interface CdkDragRelease<T = any> {
    /** Draggable that emitted the event. */
    source: CdkDrag<T>;
}
/** Event emitted when the user stops dragging a draggable. */
export interface CdkDragEnd<T = any> {
    /** Draggable that emitted the event. */
    source: CdkDrag<T>;
    /** Distance in pixels that the user has dragged since the drag sequence started. */
    distance: {
        x: number;
        y: number;
    };
}
/** Event emitted when the user moves an item into a new drop container. */
export interface CdkDragEnter<T = any, I = T> {
    /** Container into which the user has moved the item. */
    container: CdkDropList<T>;
    /** Item that was moved into the container. */
    item: CdkDrag<I>;
    /** Index at which the item has entered the container. */
    currentIndex: number;
}
/**
 * Event emitted when the user removes an item from a
 * drop container by moving it into another one.
 */
export interface CdkDragExit<T = any, I = T> {
    /** Container from which the user has a removed an item. */
    container: CdkDropList<T>;
    /** Item that was removed from the container. */
    item: CdkDrag<I>;
}
/** Event emitted when the user drops a draggable item inside a drop container. */
export interface CdkDragDrop<T, O = T> {
    /** Index of the item when it was picked up. */
    previousIndex: number;
    /** Current index of the item. */
    currentIndex: number;
    /** Item that is being dropped. */
    item: CdkDrag;
    /** Container in which the item was dropped. */
    container: CdkDropList<T>;
    /** Container from which the item was picked up. Can be the same as the `container`. */
    previousContainer: CdkDropList<O>;
    /** Whether the user's pointer was over the container when the item was dropped. */
    isPointerOverContainer: boolean;
    /** Distance in pixels that the user has dragged since the drag sequence started. */
    distance: {
        x: number;
        y: number;
    };
}
/** Event emitted as the user is dragging a draggable item. */
export interface CdkDragMove<T = any> {
    /** Item that is being dragged. */
    source: CdkDrag<T>;
    /** Position of the user's pointer on the page. */
    pointerPosition: {
        x: number;
        y: number;
    };
    /** Native event that is causing the dragging. */
    event: MouseEvent | TouchEvent;
    /** Distance in pixels that the user has dragged since the drag sequence started. */
    distance: {
        x: number;
        y: number;
    };
    /**
     * Indicates the direction in which the user is dragging the element along each axis.
     * `1` means that the position is increasing (e.g. the user is moving to the right or downwards),
     * whereas `-1` means that it's decreasing (they're moving to the left or upwards). `0` means
     * that the position hasn't changed.
     */
    delta: {
        x: -1 | 0 | 1;
        y: -1 | 0 | 1;
    };
}
/** Event emitted when the user swaps the position of two drag items. */
export interface CdkDragSortEvent<T = any, I = T> {
    /** Index from which the item was sorted previously. */
    previousIndex: number;
    /** Index that the item is currently in. */
    currentIndex: number;
    /** Container that the item belongs to. */
    container: CdkDropList<T>;
    /** Item that is being sorted. */
    item: CdkDrag<I>;
}