/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { GestureEvent } from 'vs/base/browser/touch';

export interface IListVirtualDelegate<T> {
	getHeight(element: T): number;
	getTemplateId(element: T): string;
	hasDynamicHeight?(element: T): boolean;
}

export interface IListRenderer<T, TTemplateData> {
	templateId: string;
	renderTemplate(container: HTMLElement): TTemplateData;
	renderElement(element: T, index: number, templateData: TTemplateData): void;
	disposeElement(element: T, index: number, templateData: TTemplateData): void;
	disposeTemplate(templateData: TTemplateData): void;
}

export interface IListEvent<T> {
	elements: T[];
	indexes: number[];
	browserEvent?: UIEvent;
}

export interface IListMouseEvent<T> {
	browserEvent: MouseEvent;
	element: T | undefined;
	index: number;
}

export interface IListTouchEvent<T> {
	browserEvent: TouchEvent;
	element: T | undefined;
	index: number;
}

export interface IListGestureEvent<T> {
	browserEvent: GestureEvent;
	element: T | undefined;
	index: number;
}

export interface IListContextMenuEvent<T> {
	browserEvent: UIEvent;
	element: T | undefined;
	index: number;
	anchor: HTMLElement | { x: number; y: number; } | undefined;
}