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/*
* Copyright (C) 2012 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.inputmethod.latin;
import java.util.Arrays;
public class InputPointers {
private final ScalableIntArray mXCoordinates = new ScalableIntArray();
private final ScalableIntArray mYCoordinates = new ScalableIntArray();
private final ScalableIntArray mPointerIds = new ScalableIntArray();
private final ScalableIntArray mTimes = new ScalableIntArray();
public void addPointer(int index, int x, int y, int pointerId, int time) {
mXCoordinates.add(index, x);
mYCoordinates.add(index, y);
mPointerIds.add(index, pointerId);
mTimes.add(index, time);
}
public void addPointer(int x, int y, int pointerId, int time) {
mXCoordinates.add(x);
mYCoordinates.add(y);
mPointerIds.add(pointerId);
mTimes.add(time);
}
public void set(InputPointers ip) {
mXCoordinates.set(ip.mXCoordinates);
mYCoordinates.set(ip.mYCoordinates);
mPointerIds.set(ip.mPointerIds);
mTimes.set(ip.mTimes);
}
public void copy(InputPointers ip) {
mXCoordinates.copy(ip.mXCoordinates);
mYCoordinates.copy(ip.mYCoordinates);
mPointerIds.copy(ip.mPointerIds);
mTimes.copy(ip.mTimes);
}
public void reset() {
mXCoordinates.reset();
mYCoordinates.reset();
mPointerIds.reset();
mTimes.reset();
}
public int getPointerSize() {
return mXCoordinates.getLength();
}
public int[] getXCoordinates() {
return mXCoordinates.mArray;
}
public int[] getYCoordinates() {
return mYCoordinates.mArray;
}
public int[] getPointerIds() {
return mPointerIds.mArray;
}
public int[] getTimes() {
return mTimes.mArray;
}
private static class ScalableIntArray {
private static final int DEFAULT_SIZE = BinaryDictionary.MAX_WORD_LENGTH;
private int[] mArray;
private int mLength;
public ScalableIntArray() {
reset();
}
public void add(int index, int val) {
if (mLength < index + 1) {
mLength = index;
add(val);
} else {
mArray[index] = val;
}
}
public void add(int val) {
if (mLength >= mArray.length) {
final int[] newArray = new int[mLength * 2];
System.arraycopy(mArray, 0, newArray, 0, mLength);
}
mArray[mLength] = val;
++mLength;
}
public int getLength() {
return mLength;
}
public void reset() {
mArray = new int[DEFAULT_SIZE];
mLength = 0;
}
public int[] getPrimitiveArray() {
return mArray;
}
public void copy(ScalableIntArray ip) {
mArray = Arrays.copyOf(ip.mArray, ip.mArray.length);
}
public void set(ScalableIntArray ip) {
mArray = ip.mArray;
mLength = ip.mLength;
}
}
}
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