KeyPositionBase.java
/*
* Copyright (C) 2018 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 androidx.constraintlayout.motion.widget;
import android.graphics.RectF;
import android.view.View;
import java.util.HashSet;
/**
* Defines a KeyPositionBase abstract base class KeyPositionBase elements provide
* @DoNotShow
*/
abstract class KeyPositionBase extends Key {
protected static final float SELECTION_SLOPE = 20;
int mCurveFit = UNSET;
/**
* Get the position of the view
*
*
* @param layoutWidth
* @param layoutHeight
* @param startX
* @param startY
* @param endX
* @param endY
* @DoNotShow
*/
abstract void calcPosition(int layoutWidth,
int layoutHeight,
float startX,
float startY,
float endX,
float endY);
/**
* @return
* @DoNotShow
*/
abstract float getPositionX();
/**
* @return
* @DoNotShow
*/
abstract float getPositionY();
@Override
void getAttributeNames(HashSet<String> attributes) {
}
/**
*
* @param view
* @param start
* @param end
* @param x
* @param y
* @param attribute
* @param value
* @DoNotShow
*/
abstract void positionAttributes(View view,
RectF start,
RectF end,
float x,
float y,
String[] attribute,
float[] value);
/**
*
* @param layoutWidth
* @param layoutHeight
* @param start
* @param end
* @param x
* @param y
* @return
* @DoNotShow
*/
public abstract boolean intersects(int layoutWidth,
int layoutHeight,
RectF start,
RectF end,
float x,
float y);
}