/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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.android.launcher2;
/**
* Handles scrolling while dragging
*
*/
public interface DragScroller {
void scrollLeft();
void scrollRight();
/**
* The touch point has entered the scroll area; a scroll is imminent.
* This event will only occur while a drag is active.
*
* @param direction The scroll direction
*/
boolean onEnterScrollArea(int x, int y, int direction);
/**
* The touch point has left the scroll area.
* NOTE: This may not be called, if a drop occurs inside the scroll area.
*/
boolean onExitScrollArea();
}