/**
 *
 * GalleryContent is the area that hosts the gallery items. The active item is rendered centered with overlay positioning,
 * while inactive items are kept in the DOM but hidden via CSS. Gallery uses the content element as the reference
 * box for sizing each item.
 *
 * [Live Demo](https://www.primevue.dev/gallery/)
 *
 * @module gallerycontent
 *
 */
import type { DefineComponent, DesignToken, EmitFn, PassThrough } from '@primevue/core';
import type { ComponentHooks } from '@primevue/core/basecomponent';
import type { PassThroughOptions } from 'primevue/passthrough';
import type { Component, HTMLAttributes, VNode } from 'vue';

export declare type GalleryContentPassThroughOptionType = GalleryContentPassThroughAttributes | ((options: GalleryContentPassThroughMethodOptions) => GalleryContentPassThroughAttributes | string) | string | null | undefined;

/**
 * Custom passthrough(pt) option method.
 */
export interface GalleryContentPassThroughMethodOptions {
    /**
     * Defines instance.
     */
    instance: any;
    /**
     * Defines valid properties.
     */
    props: GalleryContentProps;
    /**
     * Defines valid attributes.
     */
    attrs: any;
    /**
     * Defines parent options.
     */
    parent: any;
    /**
     * Defines passthrough(pt) options in global config.
     */
    global: object | undefined;
}

/**
 * Custom passthrough(pt) options.
 * @see {@link GalleryContentProps.pt}
 */
export interface GalleryContentPassThroughOptions {
    /**
     * Used to pass attributes to the root's DOM element.
     */
    root?: GalleryContentPassThroughOptionType;
    /**
     * Used to manage all lifecycle hooks.
     * @see {@link BaseComponent.ComponentHooks}
     */
    hooks?: ComponentHooks;
}

/**
 * Custom passthrough attributes for each DOM elements.
 */
export interface GalleryContentPassThroughAttributes {
    [key: string]: any;
}

/**
 * Defines valid properties in GalleryContent component.
 */
export interface GalleryContentProps {
    /**
     * Use to change the HTML tag of root element.
     * @defaultValue DIV
     */
    as?: string | Component | undefined;
    /**
     * When enabled, it changes the default rendered element for the one passed as a child element.
     * The slot receives `a11yAttrs` that include the function ref Gallery uses as the reference box for item sizing.
     * @defaultValue false
     */
    asChild?: boolean | undefined;
    /**
     * It generates scoped CSS variables using design tokens for the component.
     */
    dt?: DesignToken<any>;
    /**
     * Used to pass attributes to DOM elements inside the component.
     */
    pt?: PassThrough<GalleryContentPassThroughOptions>;
    /**
     * Used to configure passthrough(pt) options of the component.
     */
    ptOptions?: PassThroughOptions;
    /**
     * When enabled, it removes component related styles in the core.
     * @defaultValue false
     */
    unstyled?: boolean;
}

export interface GalleryContentA11yAttrs extends HTMLAttributes {
    /**
     * Function ref to attach to the consumer's root element so Gallery can track the content box.
     */
    ref: (el: Element | null) => void;
    /**
     * PrimeVue component identifier.
     */
    'data-pc-name': 'gallerycontent';
    /**
     * PrimeVue section identifier within the component.
     */
    'data-pc-section': 'root';
}

/**
 * Defines valid slots in GalleryContent component.
 */
export interface GalleryContentSlots {
    /**
     * Container for `GalleryItem` children. Receives scope props when `asChild` is enabled.
     * @param {Object} scope - default slot's params.
     */
    default(scope: {
        /**
         * Computed class name for the content root.
         */
        class: string | object | Array<string | object>;
        /**
         * Attributes to spread on the consumer's root element so Gallery can capture the content element.
         */
        a11yAttrs: GalleryContentA11yAttrs;
    }): VNode[];
}

/**
 * Defines valid emits in GalleryContent component.
 */
export interface GalleryContentEmitsOptions {}

export declare type GalleryContentEmits = EmitFn<GalleryContentEmitsOptions>;

/**
 * **PrimeVue - GalleryContent**
 *
 * _GalleryContent is a helper component for Gallery component._
 *
 * [Live Demo](https://www.primevue.dev/gallery/)
 * --- ---
 * ![PrimeVue](https://primefaces.org/cdn/primevue/images/logo-100.png)
 *
 * @group Component
 *
 */
declare const GalleryContent: DefineComponent<GalleryContentProps, GalleryContentSlots, GalleryContentEmits>;

declare module 'vue' {
    export interface GlobalComponents {
        GalleryContent: DefineComponent<GalleryContentProps, GalleryContentSlots, GalleryContentEmits>;
    }
}

export default GalleryContent;