import * as React from 'react';
import { IStyle, ITheme } from '../../Styling';
import { DirectionalHint } from '../../common/DirectionalHint';
import { IPoint, IRectangle, IStyleFunctionOrObject } from '../../Utilities';
import { ICalloutPositionedInfo } from '../../utilities/positioning';
import { ILayerProps } from '../../Layer';
/**
 * {@docCategory Callout}
 */
export declare type Target = Element | string | MouseEvent | IPoint | null | React.RefObject<Element>;
/**
 * {@docCategory Callout}
 */
export interface ICalloutProps extends React.HTMLAttributes<HTMLDivElement> {
    /**
     * The target that the Callout should try to position itself based on.
     * It can be either an Element a querySelector string of a valid Element
     * or a MouseEvent. If MouseEvent is given then the origin point of the event will be used.
     */
    target?: Target;
    /**
     * How the element should be positioned
     * @defaultvalue DirectionalHint.BottomAutoEdge
     */
    directionalHint?: DirectionalHint;
    /**
     * How the element should be positioned in RTL layouts.
     * If not specified, a mirror of `directionalHint` will be used instead
     */
    directionalHintForRTL?: DirectionalHint;
    /**
     * The gap between the Callout and the target
     * @defaultvalue 0
     */
    gapSpace?: number;
    /**
     * The width of the beak.
     * @defaultvalue 16
     */
    beakWidth?: number;
    /**
     * Custom width for callout including borders. If value is 0, no width is applied.
     * @defaultvalue 0
     */
    calloutWidth?: number;
    /**
     * Custom width for callout including borders. If value is 0, no width is applied.
     * @defaultvalue 0
     */
    calloutMaxWidth?: number;
    /**
     * The background color of the Callout in hex format ie. #ffffff.
     * @defaultvalue $ms-color-white
     */
    backgroundColor?: string;
    /**
     * The bounding rectangle (or callback that returns a rectangle) for which  the contextual menu can appear in.
     */
    bounds?: IRectangle | ((target?: Target, targetWindow?: Window) => IRectangle | undefined);
    /**
     * The minimum distance the callout will be away from the edge of the screen.
     *  @defaultvalue 8
     */
    minPagePadding?: number;
    /**
     * If true then the beak is visible. If false it will not be shown.
     * @defaultvalue true
     */
    isBeakVisible?: boolean;
    /**
     * If true then the callout will not dismiss on scroll
     * @defaultvalue false
     */
    preventDismissOnScroll?: boolean;
    /**
     * If true then the callout will not dismiss on resize
     * @defaultvalue false
     */
    preventDismissOnResize?: boolean;
    /**
     * If true then the callout will not dismiss when it loses focus
     * @defaultvalue false
     */
    preventDismissOnLostFocus?: boolean;
    /**
     * If true the position returned will have the menu element cover the target.
     * If false then it will position next to the target;
     * @defaultvalue false
     */
    coverTarget?: boolean;
    /**
     * If true the positioning logic will prefer to flip edges rather than to nudge the rectangle to fit within bounds,
     * thus making sure the element aligns perfectly with target's alignment edge
     */
    alignTargetEdge?: boolean;
    /**
     * Aria role assigned to the callout (Eg. dialog, alertdialog).
     */
    role?: string;
    /**
     * Accessible label text for callout.
     */
    ariaLabel?: string;
    /**
     *  Defines the element id referencing the element containing label text for callout.
     */
    ariaLabelledBy?: string;
    /**
     * Defines the element id referencing the element containing the description for the callout.
     */
    ariaDescribedBy?: string;
    /**
     * CSS class to apply to the callout.
     * @defaultvalue null
     */
    className?: string;
    /**
     * CSS style to apply to the callout.
     *
     * If you set `overflowY` in this object, it provides a performance optimization by preventing
     * Popup (underlying component of Callout) from calculating whether it needs a scroll bar.
     */
    style?: React.CSSProperties;
    /**
     * Optional callback when the layer content has mounted.
     */
    onLayerMounted?: () => void;
    /**
     * Optional props to pass to the Layer component hosting the panel.
     */
    layerProps?: ILayerProps;
    /**
     * Optional callback that is called once the callout has been correctly positioned.
     * @param positions - Gives the user information about how the callout is positioned such as the
     * final edge of the target that it positioned against, the beak position, and the beaks relationship to the
     * edges of the callout.
     */
    onPositioned?: (positions?: ICalloutPositionedInfo) => void;
    /**
     * Callback when the Callout tries to close.
     */
    onDismiss?: (ev?: any) => void;
    /**
     * If true do not render on a new layer. If false render on a new layer.
     */
    doNotLayer?: boolean;
    /**
     * If true the position will not change sides in an attempt to fit the callout within bounds.
     * It will still attempt to align it to whatever bounds are given.
     * @defaultvalue false
     */
    directionalHintFixed?: boolean;
    /**
     * Specify the final height of the content.
     * To be used when expanding the content dynamically so that callout can adjust its position.
     */
    finalHeight?: number;
    /**
     * Manually set OverflowYHidden style prop to true on calloutMain element
     * A variety of callout load animations will need this to hide the scollbar that can appear
     */
    hideOverflow?: boolean;
    /**
     * If true then the callout will attempt to focus the first focusable element that it contains.
     * If it doesn't find an element, no focus will be set and the method will return false.
     * This means that it's the contents responsibility to either set focus or have
     * focusable items.
     * @returns True if focus was set, false if it was not.
     */
    setInitialFocus?: boolean;
    /**
     * Set max height of callout
     * When not set the callout will expand with contents up to the bottom of the screen
     */
    calloutMaxHeight?: number;
    /**
     * Callback when the Callout body is scrolled.
     */
    onScroll?: () => void;
    /**
     * Optional theme for component
     */
    theme?: ITheme;
    /**
     * Optional styles for the component.
     */
    styles?: IStyleFunctionOrObject<ICalloutContentStyleProps, ICalloutContentStyles>;
    /**
     * If specified, renders the Callout in a hidden state.
     * Use this flag, rather than rendering a callout conditionally based on visibility,
     * to improve rendering performance when it becomes visible.
     * Note: When callout is hidden its content will not be rendered. It will only render
     * once the callout is visible.
     */
    hidden?: boolean;
    /**
     * If true, the component will be updated even when hidden=true.
     * Note that this would consume resources to update even though
     * nothing is being shown to the user.
     * This might be helpful though if your updates are small and you want the
     * callout to be revealed fast to the user when hidden is set to false.
     */
    shouldUpdateWhenHidden?: boolean;
    /**
     * If specified, determines whether the underlying "Popup" component should try to restore
     * focus when it is dismissed.  When set to false, the Popup won't try to restore focus to
     * the last focused element.
     * @defaultvalue true;
     */
    shouldRestoreFocus?: boolean;
}
/**
 * {@docCategory Callout}
 */
export interface ICalloutContentStyleProps {
    /**
     * Theme to apply to the calloutContent.
     */
    theme: ITheme;
    /**
     * Width for callout including borders.
     */
    calloutWidth?: number;
    /**
     * CSS class to apply to the callout.
     */
    className?: string;
    /**
     * Callout positioning data
     */
    positions?: ICalloutPositionedInfo;
    /**
     * Whether or not to clip content of the callout,
     * if it overflows vertically.
     */
    overflowYHidden?: boolean;
    /**
     * Background color for the beak and callout.
     */
    backgroundColor?: string;
    /**
     * Width of Callout beak
     */
    beakWidth?: number;
    /**
     * Max width for callout including borders.
     */
    calloutMaxWidth?: number;
}
/**
 * {@docCategory Callout}
 */
export interface ICalloutContentStyles {
    /**
     * Style for wrapper of Callout component.
     */
    container: IStyle;
    /**
     * Style for callout container root element.
     */
    root: IStyle;
    /**
     * Style for callout beak.
     */
    beak: IStyle;
    /**
     * Style for callout beak curtain.
     */
    beakCurtain: IStyle;
    /**
     * Style for content component of the callout.
     */
    calloutMain: IStyle;
}
