import { Layer } from './layer';
import { PipelineDimension } from '../pipeline';
import { EditorStateChangeEvent, EditorStateConfigEntity, PlaygroundConfigEntity } from './config';
import { PlaygroundDrag } from '../utils';
/**
 * 基础层，控制画布缩放/滚动等操作
 */
export declare class PlaygroundLayer extends Layer {
    id: string;
    protected playgroundConfigEntity: PlaygroundConfigEntity;
    protected editorStateConfig: EditorStateConfigEntity;
    readonly loadingNode: HTMLDivElement;
    private cancelStateListen?;
    private lastShortcutState?;
    private currentGesture?;
    private startGrabScroll;
    private size?;
    private changeState?;
    onReady(): void;
    keydownEvent: (keyboard: KeyboardEvent) => void;
    onStateChanged(e: EditorStateChangeEvent): void;
    protected grabDragger: PlaygroundDrag<undefined>;
    protected isGrab(): boolean;
    createGesture(): void;
    /**
     * 监听resize
     * @param size
     */
    onResize(size: PipelineDimension): void;
    updateSizeWithRulerConfig(): void;
    protected handleScrollEvent(event: WheelEvent): void;
    /**
     * 监听滚动事件
     * @param event
     */
    protected handleWheelEvent(event: WheelEvent): void;
    draw(): void;
}
//# sourceMappingURL=playground-layer.d.ts.map