@theia/core/lib/browser/hover-service.d.ts

import { Disposable, DisposableCollection } from '../common';
import { MarkdownString } from '../common/markdown-rendering/markdown-string';
import { MarkdownRenderer, MarkdownRendererFactory } from './markdown-rendering/markdown-renderer';
import { PreferenceService } from './preferences';
import '../../src/browser/style/hover-service.css';
export declare type HoverPosition = 'left' | 'right' | 'top' | 'bottom';
export declare namespace HoverPosition {
    function invertIfNecessary(position: HoverPosition, target: DOMRect, host: DOMRect, totalWidth: number, totalHeight: number): HoverPosition;
}
export interface HoverRequest {
    content: string | MarkdownString | HTMLElement;
    target: HTMLElement;
    /**
     * The position where the hover should appear.
     * Note that the hover service will try to invert the position (i.e. right -> left)
     * if the specified content does not fit in the window next to the target element
     */
    position: HoverPosition;
    /**
     * Additional css classes that should be added to the hover box.
     * Used to style certain boxes different e.g. for the extended tab preview.
     */
    cssClasses?: string[];
    /**
     * A function to render a visual preview on the hover.
     * Function that takes the desired width and returns a HTMLElement to be rendered.
     */
    visualPreview?: (width: number) => HTMLElement | undefined;
}
export declare class HoverService {
    protected static hostClassName: string;
    protected static styleSheetId: string;
    protected readonly preferences: PreferenceService;
    protected readonly markdownRendererFactory: MarkdownRendererFactory;
    protected _markdownRenderer: MarkdownRenderer | undefined;
    protected get markdownRenderer(): MarkdownRenderer;
    protected _hoverHost: HTMLElement | undefined;
    protected get hoverHost(): HTMLElement;
    protected pendingTimeout: Disposable | undefined;
    protected hoverTarget: HTMLElement | undefined;
    protected lastHidHover: number;
    protected readonly disposeOnHide: DisposableCollection;
    requestHover(request: HoverRequest): void;
    protected getHoverDelay(): number;
    protected renderHover(request: HoverRequest): Promise<void>;
    protected setHostPosition(target: HTMLElement, host: HTMLElement, position: HoverPosition): HoverPosition;
    protected listenForMouseOut(): void;
    cancelHover(): void;
    protected unRenderHover(): void;
}
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