KeyFrameArray.java
/*
* Copyright (C) 2021 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.core.motion.utils;
import androidx.constraintlayout.core.motion.CustomAttribute;
import androidx.constraintlayout.core.motion.CustomVariable;
import java.util.Arrays;
public class KeyFrameArray {
// =================================== CustomAttribute =================================
public static class CustomArray {
int[] mKeys = new int[101];
CustomAttribute[] mValues = new CustomAttribute[101];
int mCount;
private static final int EMPTY = 999;
public CustomArray() {
clear();
}
/**
* @TODO: add description
*/
public void clear() {
Arrays.fill(mKeys, EMPTY);
Arrays.fill(mValues, null);
mCount = 0;
}
/**
* @TODO: add description
*/
public void dump() {
System.out.println("V: " + Arrays.toString(Arrays.copyOf(mKeys, mCount)));
System.out.print("K: [");
for (int i = 0; i < mCount; i++) {
System.out.print(((i == 0 ? "" : ", ")) + valueAt(i));
}
System.out.println("]");
}
/**
* @TODO: add description
*/
public int size() {
return mCount;
}
/**
* @TODO: add description
*/
public CustomAttribute valueAt(int i) {
return mValues[mKeys[i]];
}
/**
* @TODO: add description
*/
public int keyAt(int i) {
return mKeys[i];
}
/**
* @TODO: add description
*/
public void append(int position, CustomAttribute value) {
if (mValues[position] != null) {
remove(position);
}
mValues[position] = value;
mKeys[mCount++] = position;
Arrays.sort(mKeys);
}
/**
* @TODO: add description
*/
public void remove(int position) {
mValues[position] = null;
for (int j = 0, i = 0; i < mCount; i++) {
if (position == mKeys[i]) {
mKeys[i] = EMPTY;
j++;
}
if (i != j) {
mKeys[i] = mKeys[j];
}
j++;
}
mCount--;
}
}
// =================================== CustomVar =================================
public static class CustomVar {
int[] mKeys = new int[101];
CustomVariable[] mValues = new CustomVariable[101];
int mCount;
private static final int EMPTY = 999;
public CustomVar() {
clear();
}
/**
* @TODO: add description
*/
public void clear() {
Arrays.fill(mKeys, EMPTY);
Arrays.fill(mValues, null);
mCount = 0;
}
/**
* @TODO: add description
*/
public void dump() {
System.out.println("V: " + Arrays.toString(Arrays.copyOf(mKeys, mCount)));
System.out.print("K: [");
for (int i = 0; i < mCount; i++) {
System.out.print(((i == 0 ? "" : ", ")) + valueAt(i));
}
System.out.println("]");
}
/**
* @TODO: add description
*/
public int size() {
return mCount;
}
/**
* @TODO: add description
*/
public CustomVariable valueAt(int i) {
return mValues[mKeys[i]];
}
/**
* @TODO: add description
*/
public int keyAt(int i) {
return mKeys[i];
}
/**
* @TODO: add description
*/
public void append(int position, CustomVariable value) {
if (mValues[position] != null) {
remove(position);
}
mValues[position] = value;
mKeys[mCount++] = position;
Arrays.sort(mKeys);
}
/**
* @TODO: add description
*/
public void remove(int position) {
mValues[position] = null;
for (int j = 0, i = 0; i < mCount; i++) {
if (position == mKeys[i]) {
mKeys[i] = EMPTY;
j++;
}
if (i != j) {
mKeys[i] = mKeys[j];
}
j++;
}
mCount--;
}
}
// =================================== FloatArray ======================================
static class FloatArray {
int[] mKeys = new int[101];
float[][] mValues = new float[101][];
int mCount;
private static final int EMPTY = 999;
FloatArray() {
clear();
}
public void clear() {
Arrays.fill(mKeys, EMPTY);
Arrays.fill(mValues, null);
mCount = 0;
}
public void dump() {
System.out.println("V: " + Arrays.toString(Arrays.copyOf(mKeys, mCount)));
System.out.print("K: [");
for (int i = 0; i < mCount; i++) {
System.out.print(((i == 0 ? "" : ", ")) + Arrays.toString(valueAt(i)));
}
System.out.println("]");
}
public int size() {
return mCount;
}
public float[] valueAt(int i) {
return mValues[mKeys[i]];
}
public int keyAt(int i) {
return mKeys[i];
}
public void append(int position, float[] value) {
if (mValues[position] != null) {
remove(position);
}
mValues[position] = value;
mKeys[mCount++] = position;
Arrays.sort(mKeys);
}
public void remove(int position) {
mValues[position] = null;
for (int j = 0, i = 0; i < mCount; i++) {
if (position == mKeys[i]) {
mKeys[i] = EMPTY;
j++;
}
if (i != j) {
mKeys[i] = mKeys[j];
}
j++;
}
mCount--;
}
}
}