import { Layer } from '../layer';
import { Disposable, DisposableCollection } from '@gedit/utils';
import { ConflatableMessage, IMessageHandler, Message } from '@phosphor/messaging';
import { PipelineEntitiesSelector } from './pipeline-entities-selector';
import { AbleManager, EntityManager } from '../../common';
export declare const FLUSH_LAYER_REQUEST = "flush-layer-request";
export declare class FlushLayerMessage extends ConflatableMessage {
    readonly layer: Layer;
    constructor(layer: Layer);
}
/**
 * pipeline渲染器
 */
export declare class PipelineRenderer implements Disposable, IMessageHandler {
    protected readonly selector: PipelineEntitiesSelector;
    protected toDispose: DisposableCollection;
    readonly layers: Layer[];
    protected forceUpdates: Set<Layer>;
    readonly layerDrawMap: Map<Layer, () => void>;
    readonly layerFlushMessages: Map<Layer, FlushLayerMessage>;
    readonly node: HTMLDivElement;
    constructor(selector: PipelineEntitiesSelector, entityManager: EntityManager, ableManager: AbleManager);
    addLayer(layer: Layer): void;
    flush(): void;
    ready(): void;
    dispose(): void;
    processMessage(msg: Message): void;
    protected onFlushRequest(layer: Layer): void;
    /**
     * 1. PostMessage: 会将消息在nextTick执行
     * 2. ConflatableMessage: 当多个消息进来会在下一个nextTick做合并
     * 3. 图层相互隔离，即时一层挂了也不受影响
     */
    updateLayer(layer: Layer, forceUpdate?: boolean): void;
}
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