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Use unmodifiable list to return keys from Keyboard

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Change-Id: I85a0b18d2d78632e9a9f074eda1de9225001f876
This commit is contained in:
Tadashi G. Takaoka 2014-04-21 14:13:51 -07:00
parent 58d4e610ac
commit 5326dcfb7d
6 changed files with 35 additions and 32 deletions
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6
java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java
View file

@ -159,8 +159,7 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider
// Add the virtual children of the root View.
final Keyboard keyboard = mKeyboardView.getKeyboard();
final Key[] keys = keyboard.getKeys();
for (Key key : keys) {
for (final Key key : keyboard.getKeys()) {
final int childVirtualViewId = generateVirtualViewIdForKey(key);
rootInfo.addChild(mKeyboardView, childVirtualViewId);
}
@ -308,8 +307,7 @@ public final class AccessibilityEntityProvider extends AccessibilityNodeProvider
}
mVirtualViewIdToKey.clear();
final Key[] keys = keyboard.getKeys();
for (Key key : keys) {
for (final Key key : keyboard.getKeys()) {
final int virtualViewId = generateVirtualViewIdForKey(key);
mVirtualViewIdToKey.put(virtualViewId, key);
}

17
java/src/com/android/inputmethod/keyboard/EmojiPalettesView.java
View file

@ -58,9 +58,10 @@ import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.utils.ResourceUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
@ -297,7 +298,7 @@ public final class EmojiPalettesView extends LinearLayout implements OnTabChange
private int getCategoryPageCount(final int categoryId) {
final Keyboard keyboard = mLayoutSet.getKeyboard(sCategoryElementId[categoryId]);
return (keyboard.getKeys().length - 1) / mMaxPageKeyCount + 1;
return (keyboard.getKeys().size() - 1) / mMaxPageKeyCount + 1;
}
// Returns a pair of the category id and the category page id from the view pager's page
@ -394,13 +395,13 @@ public final class EmojiPalettesView extends LinearLayout implements OnTabChange
}
};
private static Key[][] sortKeysIntoPages(final Key[] inKeys, final int maxPageCount) {
final Key[] keys = Arrays.copyOf(inKeys, inKeys.length);
Arrays.sort(keys, 0, keys.length, EMOJI_KEY_COMPARATOR);
final int pageCount = (keys.length - 1) / maxPageCount + 1;
private static Key[][] sortKeysIntoPages(final List<Key> inKeys, final int maxPageCount) {
final ArrayList<Key> keys = CollectionUtils.newArrayList(inKeys);
Collections.sort(keys, EMOJI_KEY_COMPARATOR);
final int pageCount = (keys.size() - 1) / maxPageCount + 1;
final Key[][] retval = new Key[pageCount][maxPageCount];
for (int i = 0; i < keys.length; ++i) {
retval[i / maxPageCount][i % maxPageCount] = keys[i];
for (int i = 0; i < keys.size(); ++i) {
retval[i / maxPageCount][i % maxPageCount] = keys.get(i);
}
return retval;
}

8
java/src/com/android/inputmethod/keyboard/Keyboard.java
View file

@ -77,8 +77,8 @@ public class Keyboard {
/** Maximum column for more keys keyboard */
public final int mMaxMoreKeysKeyboardColumn;
/** Array of keys and icons in this keyboard */
private final Key[] mKeys;
/** List of keys in this keyboard */
private final List<Key> mKeys;
public final List<Key> mShiftKeys;
public final List<Key> mAltCodeKeysWhileTyping;
public final KeyboardIconsSet mIconsSet;
@ -103,7 +103,7 @@ public class Keyboard {
mTopPadding = params.mTopPadding;
mVerticalGap = params.mVerticalGap;
mKeys = params.mKeys.toArray(new Key[params.mKeys.size()]);
mKeys = Collections.unmodifiableList(CollectionUtils.newArrayList(params.mKeys));
mShiftKeys = Collections.unmodifiableList(params.mShiftKeys);
mAltCodeKeysWhileTyping = Collections.unmodifiableList(params.mAltCodeKeysWhileTyping);
mIconsSet = params.mIconsSet;
@ -154,7 +154,7 @@ public class Keyboard {
return mProximityInfo;
}
public Key[] getKeys() {
public List<Key> getKeys() {
return mKeys;
}

18
java/src/com/android/inputmethod/keyboard/ProximityInfo.java
View file

@ -51,13 +51,13 @@ public class ProximityInfo {
private final int mKeyboardHeight;
private final int mMostCommonKeyWidth;
private final int mMostCommonKeyHeight;
private final Key[] mKeys;
private final List<Key> mKeys;
private final List<Key>[] mGridNeighbors;
private final String mLocaleStr;
ProximityInfo(final String localeStr, final int gridWidth, final int gridHeight,
final int minWidth, final int height, final int mostCommonKeyWidth,
final int mostCommonKeyHeight, final Key[] keys,
final int mostCommonKeyHeight, final List<Key> keys,
final TouchPositionCorrection touchPositionCorrection) {
if (TextUtils.isEmpty(localeStr)) {
mLocaleStr = "";
@ -103,7 +103,7 @@ public class ProximityInfo {
return key.getCode() >= Constants.CODE_SPACE;
}
private static int getProximityInfoKeysCount(final Key[] keys) {
private static int getProximityInfoKeysCount(final List<Key> keys) {
int count = 0;
for (final Key key : keys) {
if (needsProximityInfo(key)) {
@ -146,7 +146,7 @@ public class ProximityInfo {
}
}
final Key[] keys = mKeys;
final List<Key> keys = mKeys;
final int keyCount = getProximityInfoKeysCount(keys);
final int[] keyXCoordinates = new int[keyCount];
final int[] keyYCoordinates = new int[keyCount];
@ -157,8 +157,8 @@ public class ProximityInfo {
final float[] sweetSpotCenterYs;
final float[] sweetSpotRadii;
for (int infoIndex = 0, keyIndex = 0; keyIndex < keys.length; keyIndex++) {
final Key key = keys[keyIndex];
for (int infoIndex = 0, keyIndex = 0; keyIndex < keys.size(); keyIndex++) {
final Key key = keys.get(keyIndex);
// Excluding from key coordinate arrays
if (!needsProximityInfo(key)) {
continue;
@ -181,8 +181,8 @@ public class ProximityInfo {
final int rows = touchPositionCorrection.getRows();
final float defaultRadius = DEFAULT_TOUCH_POSITION_CORRECTION_RADIUS
* (float)Math.hypot(mMostCommonKeyWidth, mMostCommonKeyHeight);
for (int infoIndex = 0, keyIndex = 0; keyIndex < keys.length; keyIndex++) {
final Key key = keys[keyIndex];
for (int infoIndex = 0, keyIndex = 0; keyIndex < keys.size(); keyIndex++) {
final Key key = keys.get(keyIndex);
// Excluding from touch position correction arrays
if (!needsProximityInfo(key)) {
continue;
@ -244,7 +244,7 @@ public class ProximityInfo {
private void computeNearestNeighbors() {
final int defaultWidth = mMostCommonKeyWidth;
final int keyCount = mKeys.length;
final int keyCount = mKeys.size();
final int gridSize = mGridNeighbors.length;
final int threshold = (int) (defaultWidth * SEARCH_DISTANCE);
final int thresholdSquared = threshold * threshold;

11
java/src/com/android/inputmethod/keyboard/internal/DynamicGridKeyboard.java
View file

@ -31,6 +31,7 @@ import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
@ -51,7 +52,7 @@ public class DynamicGridKeyboard extends Keyboard {
private final ArrayDeque<GridKey> mGridKeys = CollectionUtils.newArrayDeque();
private final ArrayDeque<Key> mPendingKeys = CollectionUtils.newArrayDeque();
private Key[] mCachedGridKeys;
private List<Key> mCachedGridKeys;
public DynamicGridKeyboard(final SharedPreferences prefs, final Keyboard templateKeyboard,
final int maxKeyCount, final int categoryId) {
@ -206,12 +207,14 @@ public class DynamicGridKeyboard extends Keyboard {
}
@Override
public Key[] getKeys() {
public List<Key> getKeys() {
synchronized (mLock) {
if (mCachedGridKeys != null) {
return mCachedGridKeys;
}
mCachedGridKeys = mGridKeys.toArray(new Key[mGridKeys.size()]);
final ArrayList<Key> cachedKeys = CollectionUtils.newArrayList(mGridKeys.size());
cachedKeys.addAll(mGridKeys);
mCachedGridKeys = Collections.unmodifiableList(cachedKeys);
return mCachedGridKeys;
}
}
@ -219,7 +222,7 @@ public class DynamicGridKeyboard extends Keyboard {
@Override
public List<Key> getNearestKeys(final int x, final int y) {
// TODO: Calculate the nearest key index in mGridKeys from x and y.
return Arrays.asList(getKeys());
return getKeys();
}
static final class GridKey extends Key {

7
tests/src/com/android/inputmethod/keyboard/layout/expected/ActualKeyboardBuilder.java
View file

@ -26,6 +26,7 @@ import com.android.inputmethod.latin.utils.StringUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* This class builds an actual keyboard for unit test.
@ -43,7 +44,7 @@ public final class ActualKeyboardBuilder extends AbstractKeyboardBuilder<Key> {
}
};
private static ArrayList<Key> filterOutSpacerAndSortKeys(final Key[] keys) {
private static ArrayList<Key> filterOutSpacerAndSortKeys(final List<Key> keys) {
final ArrayList<Key> filteredKeys = CollectionUtils.newArrayList();
for (final Key key : keys) {
if (key.isSpacer()) {
@ -57,10 +58,10 @@ public final class ActualKeyboardBuilder extends AbstractKeyboardBuilder<Key> {
/**
* Create the keyboard that consists of the array of rows of the actual keyboard's keys.
* @param keys the array of keys of the actual keyboard.
* @param keys the list of keys of the actual keyboard.
* @return the actual keyboard grouped with rows.
*/
public static Key[][] buildKeyboard(final Key[] keys) {
public static Key[][] buildKeyboard(final List<Key> keys) {
// Filter out spacer and sort keys from top-left to bottom-right order to prepare to
// create rows.
final ArrayList<Key> sortedKeys = filterOutSpacerAndSortKeys(keys);