sprotty/lib/base/views/viewer-cache.d.ts

A next-gen framework for graphical views

/********************************************************************************
 * Copyright (c) 2017-2018 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
import { Action } from "sprotty-protocol/lib/actions";
import { SModelRootImpl } from "../model/smodel";
import { AnimationFrameSyncer } from "../animations/animation-frame-syncer";
import { IViewer } from "./viewer";
/**
 * Updating the view is rather expensive, and it doesn't make sense to calculate
 * more then one update per animation (rendering) frame. So this class batches
 * all incoming model changes and only renders the last one when the next animation
 * frame comes.
 */
export declare class ViewerCache implements IViewer {
    protected delegate: IViewer;
    protected syncer: AnimationFrameSyncer;
    protected cachedModel?: SModelRootImpl;
    update(model: SModelRootImpl, cause?: Action): void;
    protected scheduleUpdate(): void;
}
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