LatinIME/java/src/com/android/inputmethod/keyboard/internal/KeyboardParams.java

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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.keyboard.internal;
import android.util.SparseIntArray;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.latin.CollectionUtils;
import com.android.inputmethod.latin.Constants;
import java.util.ArrayList;
import java.util.TreeSet;
public class KeyboardParams {
public KeyboardId mId;
public int mThemeId;
/** Total height and width of the keyboard, including the paddings and keys */
public int mOccupiedHeight;
public int mOccupiedWidth;
/** Base height and width of the keyboard used to calculate rows' or keys' heights and
* widths
*/
public int mBaseHeight;
public int mBaseWidth;
public int mTopPadding;
public int mBottomPadding;
public int mHorizontalEdgesPadding;
public int mHorizontalCenterPadding;
public KeyVisualAttributes mKeyVisualAttributes;
public int mDefaultRowHeight;
public int mDefaultKeyWidth;
public int mHorizontalGap;
public int mVerticalGap;
public int mMoreKeysTemplate;
public int mMaxMoreKeysKeyboardColumn;
public int GRID_WIDTH;
public int GRID_HEIGHT;
public final TreeSet<Key> mKeys = CollectionUtils.newTreeSet(); // ordered set
public final ArrayList<Key> mShiftKeys = CollectionUtils.newArrayList();
public final ArrayList<Key> mAltCodeKeysWhileTyping = CollectionUtils.newArrayList();
public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet();
public final KeyboardCodesSet mCodesSet = new KeyboardCodesSet();
public final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
public final KeyStylesSet mKeyStyles = new KeyStylesSet(mTextsSet);
public KeysCache mKeysCache;
public int mMostCommonKeyHeight = 0;
public int mMostCommonKeyWidth = 0;
public boolean mProximityCharsCorrectionEnabled;
public final TouchPositionCorrection mTouchPositionCorrection =
new TouchPositionCorrection();
protected void clearKeys() {
mKeys.clear();
mShiftKeys.clear();
clearHistogram();
}
public void onAddKey(final Key newKey) {
final Key key = (mKeysCache != null) ? mKeysCache.get(newKey) : newKey;
final boolean zeroWidthSpacer = key.isSpacer() && key.mWidth == 0;
if (!zeroWidthSpacer) {
mKeys.add(key);
updateHistogram(key);
}
if (key.mCode == Constants.CODE_SHIFT) {
mShiftKeys.add(key);
}
if (key.altCodeWhileTyping()) {
mAltCodeKeysWhileTyping.add(key);
}
}
private int mMaxHeightCount = 0;
private int mMaxWidthCount = 0;
private final SparseIntArray mHeightHistogram = new SparseIntArray();
private final SparseIntArray mWidthHistogram = new SparseIntArray();
private void clearHistogram() {
mMostCommonKeyHeight = 0;
mMaxHeightCount = 0;
mHeightHistogram.clear();
mMaxWidthCount = 0;
mMostCommonKeyWidth = 0;
mWidthHistogram.clear();
}
private static int updateHistogramCounter(final SparseIntArray histogram, final int key) {
final int index = histogram.indexOfKey(key);
final int count = (index >= 0 ? histogram.get(key) : 0) + 1;
histogram.put(key, count);
return count;
}
private void updateHistogram(final Key key) {
final int height = key.mHeight + mVerticalGap;
final int heightCount = updateHistogramCounter(mHeightHistogram, height);
if (heightCount > mMaxHeightCount) {
mMaxHeightCount = heightCount;
mMostCommonKeyHeight = height;
}
final int width = key.mWidth + mHorizontalGap;
final int widthCount = updateHistogramCounter(mWidthHistogram, width);
if (widthCount > mMaxWidthCount) {
mMaxWidthCount = widthCount;
mMostCommonKeyWidth = width;
}
}
}