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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;
// TODO: This class is not thread-safe.
public class InputPointers {
private final int mDefaultCapacity;
private final ResizableIntArray mXCoordinates;
private final ResizableIntArray mYCoordinates;
private final ResizableIntArray mPointerIds;
private final ResizableIntArray mTimes;
public InputPointers(int defaultCapacity) {
mDefaultCapacity = defaultCapacity;
mXCoordinates = new ResizableIntArray(defaultCapacity);
mYCoordinates = new ResizableIntArray(defaultCapacity);
mPointerIds = new ResizableIntArray(defaultCapacity);
mTimes = new ResizableIntArray(defaultCapacity);
}
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);
}
/**
* Append the pointers in the specified {@link InputPointers} to the end of this.
* @param src the source {@link InputPointers} to read the data from.
* @param startPos the starting index of the pointers in {@code src}.
* @param length the number of pointers to be appended.
*/
public void append(InputPointers src, int startPos, int length) {
if (length == 0) {
return;
}
mXCoordinates.append(src.mXCoordinates, startPos, length);
mYCoordinates.append(src.mYCoordinates, startPos, length);
mPointerIds.append(src.mPointerIds, startPos, length);
mTimes.append(src.mTimes, startPos, length);
}
public void reset() {
final int defaultCapacity = mDefaultCapacity;
mXCoordinates.reset(defaultCapacity);
mYCoordinates.reset(defaultCapacity);
mPointerIds.reset(defaultCapacity);
mTimes.reset(defaultCapacity);
}
public int getPointerSize() {
return mXCoordinates.getLength();
}
public int[] getXCoordinates() {
return mXCoordinates.getPrimitiveArray();
}
public int[] getYCoordinates() {
return mYCoordinates.getPrimitiveArray();
}
public int[] getPointerIds() {
return mPointerIds.getPrimitiveArray();
}
public int[] getTimes() {
return mTimes.getPrimitiveArray();
}
}
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