/*
* Copyright 2000-2011 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.editor.ex;
import com.intellij.openapi.editor.ScrollingModel;
/**
* Extends {@link ScrollingModel} with more implementation-specific functionality.
*
* @author Denis Zhdanov
* @since 1/18/11 10:30 AM
*/
public interface ScrollingModelEx extends ScrollingModel {
/**
* Asks current model to avoid changing viewport position and just remember it instead. That remembered position
* may be applied later during {@link #flushViewportChanges()} processing.
*/
void accumulateViewportChanges();
/**
* Does nothing if {@link #accumulateViewportChanges()} is called before it or if no requests for viewport location
* change arrived since the last time {@link #accumulateViewportChanges()} is called.
* <p/>
* Applies remembered viewport location change request to the editor.
*/
void flushViewportChanges();
}