import * as React from 'react';
import { BaseButton, Button, IButtonProps } from '../../Button';
import type { ITheme, IStyle } from '../../Styling';
import type { IRefObject, IStyleFunctionOrObject } from '../../Utilities';
import type { IIconProps } from '../../Icon';
/**
 * {@docCategory MessageBar}
 */
export interface IMessageBar {
}
/**
 * {@docCategory MessageBar}
 */
export interface IMessageBarProps extends React.HTMLAttributes<HTMLElement>, React.RefAttributes<HTMLDivElement> {
    /**
     * Optional callback to access the IMessageBar interface. Use this instead of ref for accessing
     * the public methods and properties of the component.
     */
    componentRef?: IRefObject<IMessageBar>;
    /**
     * The type of MessageBar to render.
     * @defaultvalue MessageBarType.info
     */
    messageBarType?: MessageBarType;
    /**
     * The actions you want to show on the other side.
     */
    actions?: JSX.Element;
    /**
     * A description of the message bar for the benefit of screen readers.
     * @deprecated Use native prop `aria-label` instead.
     */
    ariaLabel?: string;
    /**
     * Whether the message bar has a dismiss button and its callback.
     * If null, we don't show a dismiss button.
     * @defaultvalue null
     */
    onDismiss?: (ev?: React.MouseEvent<HTMLElement | BaseButton | Button>) => any;
    /**
     * Determines if the message bar is multi lined.
     * If false, and the text overflows over buttons or to another line, it is clipped.
     * @defaultvalue true
     */
    isMultiline?: boolean;
    /**
     * Aria label on dismiss button if onDismiss is defined.
     */
    dismissButtonAriaLabel?: string;
    /**
     * Determines if the message bar text is truncated.
     * If true, a button will render to toggle between a single line view and multiline view.
     * This prop is for single line message bars with no buttons only in a limited space scenario.
     * @defaultvalue false
     */
    truncated?: boolean;
    /**
     * Aria label on overflow button if truncated is defined.
     * @deprecated Use `expandButtonProps` instead.
     */
    overflowButtonAriaLabel?: string;
    /**
     * Additional CSS class(es) to apply to the MessageBar.
     */
    className?: string;
    /**
     * Theme (provided through customization.)
     */
    theme?: ITheme;
    /**
     * Call to provide customized styling that will layer on top of the variant rules.
     */
    styles?: IStyleFunctionOrObject<IMessageBarStyleProps, IMessageBarStyles>;
    /**
     * Custom icon prop to replace the dismiss icon.
     * If unset, default will be the Fabric Clear icon.
     */
    dismissIconProps?: IIconProps;
    /**
     * Custom icon prop to replace the message bar icon.
     * If unset, default will be the icon set by messageBarType.
     */
    messageBarIconProps?: IIconProps;
    /**
     *  Button props that can be applied to the expand button of the MessageBar.
     */
    expandButtonProps?: IButtonProps;
    /**
     * Callback to execute when expand button is toggled
     * @returns
     */
    onExpandButtonToggled?: (expandSingleLine: boolean) => void;
    /**
     * Custom role to apply to the MessageBar.
     * @defaultvalue `alert` if `messageBarType` is `error`, `blocked`, or `severeWarning`;
     * or `status` otherwise
     */
    role?: 'alert' | 'status' | 'none';
    /**
     * By default, MessageBar delay-renders its content within an internal live region to help ensure
     * it's announced by screen readers. You can disable that behavior by setting this prop to `false`.
     *
     * If you set this prop to `false`, to ensure proper announcement you should either:
     * - If appropriate, ensure that the `role` prop is set to `alert` (this will be done by default
     *   if `messageBarType` is `error`, `blocked`, or `severeWarning`), OR
     * - Set the `role` prop to `none` (to avoid nested `status` regions), wrap the whole MessageBar
     *   in a `<div role="status">` which is always rendered, and ensure that the MessageBar is
     *   rendered either conditionally or with a delay.
     * @default true
     */
    delayedRender?: boolean;
}
/**
 * {@docCategory MessageBar}
 */
export interface IMessageBarStyleProps {
    /**
     * Theme (provided through customization).
     */
    theme: ITheme;
    /**
     * Additional CSS class(es).
     */
    className?: string;
    /**
     * Type of the MessageBar.
     */
    messageBarType?: MessageBarType;
    /**
     * Whether the MessageBar contains a dismiss button.
     */
    onDismiss?: boolean;
    /**
     * Whether the text is truncated.
     */
    truncated?: boolean;
    /**
     * Whether the MessageBar is rendered in multi line (as opposed to single line) mode.
     */
    isMultiline?: boolean;
    /**
     * Whether the single line MessageBar is being expanded.
     */
    expandSingleLine?: boolean;
    /**
     * Whether the MessageBar contains any action elements.
     */
    actions?: boolean;
}
/**
 * {@docCategory MessageBar}
 */
export interface IMessageBarStyles {
    /**
     * Style set for the root element.
     */
    root?: IStyle;
    /**
     * Style set for the element containing the icon, text, and optional dismiss button.
     */
    content?: IStyle;
    /**
     * Style set for the element containing the icon.
     */
    iconContainer?: IStyle;
    /**
     * Style set for the icon.
     */
    icon?: IStyle;
    /**
     * Style set for the element containing the text.
     */
    text?: IStyle;
    /**
     * Style set for the text.
     */
    innerText?: IStyle;
    /**
     * Style set for the optional dismiss button.
     */
    dismissal?: IStyle;
    /**
     * Style set for the icon used to expand and collapse the MessageBar.
     */
    expand?: IStyle;
    /**
     * Style set for the element containing the dismiss button.
     */
    dismissSingleLine?: IStyle;
    /**
     * Style set for the element containing the expand icon.
     */
    expandSingleLine?: IStyle;
    /**
     * Style set for the optional element containing the action elements.
     */
    actions?: IStyle;
}
/**
 * {@docCategory MessageBar}
 */
export declare enum MessageBarType {
    /** Info styled MessageBar */
    info = 0,
    /** Error styled MessageBar */
    error = 1,
    /** Blocked styled MessageBar */
    blocked = 2,
    /** SevereWarning styled MessageBar */
    severeWarning = 3,
    /** Success styled MessageBar */
    success = 4,
    /** Warning styled MessageBar */
    warning = 5
}