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Use SparseArray<E> instead of HashMap<Integer,E>

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Change-Id: Id962e670ee1a5164e6c69deb84625139bf5e7974
This commit is contained in:
Tadashi G. Takaoka 2012-06-29 16:32:45 +09:00
parent 1333579b4b
commit 56853c1e48
7 changed files with 55 additions and 51 deletions
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12
java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
View file

@ -19,6 +19,7 @@ package com.android.inputmethod.accessibility;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseIntArray;
import android.view.inputmethod.EditorInfo;
import com.android.inputmethod.keyboard.Key;
@ -39,8 +40,8 @@ public class KeyCodeDescriptionMapper {
// Map of key labels to spoken description resource IDs
private final HashMap<CharSequence, Integer> mKeyLabelMap;
// Map of key codes to spoken description resource IDs
private final HashMap<Integer, Integer> mKeyCodeMap;
// Sparse array of spoken description resource IDs indexed by key codes
private final SparseIntArray mKeyCodeMap;
public static void init() {
sInstance.initInternal();
@ -52,7 +53,7 @@ public class KeyCodeDescriptionMapper {
private KeyCodeDescriptionMapper() {
mKeyLabelMap = new HashMap<CharSequence, Integer>();
mKeyCodeMap = new HashMap<Integer, Integer>();
mKeyCodeMap = new SparseIntArray();
}
private void initInternal() {
@ -60,7 +61,7 @@ public class KeyCodeDescriptionMapper {
mKeyLabelMap.put(":-)", R.string.spoken_description_smiley);
// Symbols that most TTS engines can't speak
mKeyCodeMap.put((int) ' ', R.string.spoken_description_space);
mKeyCodeMap.put(' ', R.string.spoken_description_space);
// Special non-character codes defined in Keyboard
mKeyCodeMap.put(Keyboard.CODE_DELETE, R.string.spoken_description_delete);
@ -273,7 +274,8 @@ public class KeyCodeDescriptionMapper {
return context.getString(OBSCURED_KEY_RES_ID);
}
if (mKeyCodeMap.containsKey(code)) {
final int resId = mKeyCodeMap.get(code);
if (resId != 0) {
return context.getString(mKeyCodeMap.get(code));
} else if (isDefinedNonCtrl) {
return Character.toString((char) code);

31
java/src/com/android/inputmethod/keyboard/Keyboard.java
View file

@ -23,6 +23,8 @@ import android.content.res.XmlResourceParser;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.SparseArray;
import android.util.SparseIntArray;
import android.util.TypedValue;
import android.util.Xml;
import android.view.InflateException;
@ -44,7 +46,6 @@ import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
@ -134,7 +135,7 @@ public class Keyboard {
public final Key[] mAltCodeKeysWhileTyping;
public final KeyboardIconsSet mIconsSet;
private final HashMap<Integer, Key> mKeyCache = new HashMap<Integer, Key>();
private final SparseArray<Key> mKeyCache = new SparseArray<Key>();
private final ProximityInfo mProximityInfo;
private final boolean mProximityCharsCorrectionEnabled;
@ -184,23 +185,23 @@ public class Keyboard {
if (code == CODE_UNSPECIFIED) {
return null;
}
final Integer keyCode = code;
if (mKeyCache.containsKey(keyCode)) {
return mKeyCache.get(keyCode);
final int index = mKeyCache.indexOfKey(code);
if (index >= 0) {
return mKeyCache.valueAt(index);
}
for (final Key key : mKeys) {
if (key.mCode == code) {
mKeyCache.put(keyCode, key);
mKeyCache.put(code, key);
return key;
}
}
mKeyCache.put(keyCode, null);
mKeyCache.put(code, null);
return null;
}
public boolean hasKey(Key aKey) {
if (mKeyCache.containsKey(aKey)) {
if (mKeyCache.indexOfValue(aKey) >= 0) {
return true;
}
@ -344,8 +345,8 @@ public class Keyboard {
private int mMaxHeightCount = 0;
private int mMaxWidthCount = 0;
private final HashMap<Integer, Integer> mHeightHistogram = new HashMap<Integer, Integer>();
private final HashMap<Integer, Integer> mWidthHistogram = new HashMap<Integer, Integer>();
private final SparseIntArray mHeightHistogram = new SparseIntArray();
private final SparseIntArray mWidthHistogram = new SparseIntArray();
private void clearHistogram() {
mMostCommonKeyHeight = 0;
@ -357,22 +358,22 @@ public class Keyboard {
mWidthHistogram.clear();
}
private static int updateHistogramCounter(HashMap<Integer, Integer> histogram,
Integer key) {
final int count = (histogram.containsKey(key) ? histogram.get(key) : 0) + 1;
private static int updateHistogramCounter(SparseIntArray histogram, 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(Key key) {
final Integer height = key.mHeight + key.mVerticalGap;
final int height = key.mHeight + key.mVerticalGap;
final int heightCount = updateHistogramCounter(mHeightHistogram, height);
if (heightCount > mMaxHeightCount) {
mMaxHeightCount = heightCount;
mMostCommonKeyHeight = height;
}
final Integer width = key.mWidth + key.mHorizontalGap;
final int width = key.mWidth + key.mHorizontalGap;
final int widthCount = updateHistogramCounter(mWidthHistogram, width);
if (widthCount > mMaxWidthCount) {
mMaxWidthCount = widthCount;

7
java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
View file

@ -29,6 +29,7 @@ import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.text.InputType;
import android.util.Log;
import android.util.SparseArray;
import android.util.Xml;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodSubtype;
@ -116,9 +117,9 @@ public class KeyboardLayoutSet {
InputMethodSubtype mSubtype;
int mOrientation;
int mWidth;
// KeyboardLayoutSet element id to element's parameters map.
final HashMap<Integer, ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
new HashMap<Integer, ElementParams>();
// Sparse array of KeyboardLayoutSet element parameters indexed by element's id.
final SparseArray<ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
new SparseArray<ElementParams>();
static class ElementParams {
int mKeyboardXmlId;

16
java/src/com/android/inputmethod/keyboard/KeyboardView.java
View file

@ -30,6 +30,7 @@ import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Message;
import android.util.AttributeSet;
import android.util.SparseArray;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
@ -42,7 +43,6 @@ import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
import com.android.inputmethod.latin.StringUtils;
import java.util.HashMap;
import java.util.HashSet;
/**
@ -124,12 +124,10 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
private Canvas mCanvas;
private final Paint mPaint = new Paint();
private final Paint.FontMetrics mFontMetrics = new Paint.FontMetrics();
// This map caches key label text height in pixel as value and key label text size as map key.
private static final HashMap<Integer, Float> sTextHeightCache =
new HashMap<Integer, Float>();
// This map caches key label text width in pixel as value and key label text size as map key.
private static final HashMap<Integer, Float> sTextWidthCache =
new HashMap<Integer, Float>();
// This sparse array caches key label text height in pixel indexed by key label text size.
private static final SparseArray<Float> sTextHeightCache = new SparseArray<Float>();
// This sparse array caches key label text width in pixel indexed by key label text size.
private static final SparseArray<Float> sTextWidthCache = new SparseArray<Float>();
private static final char[] KEY_LABEL_REFERENCE_CHAR = { 'M' };
private static final char[] KEY_NUMERIC_HINT_LABEL_REFERENCE_CHAR = { '8' };
@ -766,7 +764,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
private final Rect mTextBounds = new Rect();
private float getCharHeight(char[] referenceChar, Paint paint) {
final Integer key = getCharGeometryCacheKey(referenceChar[0], paint);
final int key = getCharGeometryCacheKey(referenceChar[0], paint);
final Float cachedValue = sTextHeightCache.get(key);
if (cachedValue != null)
return cachedValue;
@ -778,7 +776,7 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
}
private float getCharWidth(char[] referenceChar, Paint paint) {
final Integer key = getCharGeometryCacheKey(referenceChar[0], paint);
final int key = getCharGeometryCacheKey(referenceChar[0], paint);
final Float cachedValue = sTextWidthCache.get(key);
if (cachedValue != null)
return cachedValue;

5
java/src/com/android/inputmethod/keyboard/ProximityInfo.java
View file

@ -24,7 +24,6 @@ import com.android.inputmethod.keyboard.Keyboard.Params.TouchPositionCorrection;
import com.android.inputmethod.latin.JniUtils;
import java.util.Arrays;
import java.util.HashMap;
public class ProximityInfo {
/** MAX_PROXIMITY_CHARS_SIZE must be the same as MAX_PROXIMITY_CHARS_SIZE_INTERNAL
@ -190,10 +189,6 @@ public class ProximityInfo {
private void computeNearestNeighbors() {
final int defaultWidth = mMostCommonKeyWidth;
final Key[] keys = mKeys;
final HashMap<Integer, Key> keyCodeMap = new HashMap<Integer, Key>();
for (final Key key : keys) {
keyCodeMap.put(key.mCode, key);
}
final int thresholdBase = (int) (defaultWidth * SEARCH_DISTANCE);
final int threshold = thresholdBase * thresholdBase;
// Round-up so we don't have any pixels outside the grid

27
java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
View file

@ -18,6 +18,7 @@ package com.android.inputmethod.keyboard.internal;
import android.content.res.TypedArray;
import android.util.Log;
import android.util.SparseArray;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.latin.R;
@ -89,7 +90,7 @@ public class KeyStyles {
private class DeclaredKeyStyle extends KeyStyle {
private final String mParentStyleName;
private final HashMap<Integer, Object> mStyleAttributes = new HashMap<Integer, Object>();
private final SparseArray<Object> mStyleAttributes = new SparseArray<Object>();
public DeclaredKeyStyle(String parentStyleName) {
mParentStyleName = parentStyleName;
@ -100,8 +101,9 @@ public class KeyStyles {
if (a.hasValue(index)) {
return parseStringArray(a, index);
}
if (mStyleAttributes.containsKey(index)) {
return (String[])mStyleAttributes.get(index);
final Object value = mStyleAttributes.get(index);
if (value != null) {
return (String[])value;
}
final KeyStyle parentStyle = mStyles.get(mParentStyleName);
return parentStyle.getStringArray(a, index);
@ -112,8 +114,9 @@ public class KeyStyles {
if (a.hasValue(index)) {
return parseString(a, index);
}
if (mStyleAttributes.containsKey(index)) {
return (String)mStyleAttributes.get(index);
final Object value = mStyleAttributes.get(index);
if (value != null) {
return (String)value;
}
final KeyStyle parentStyle = mStyles.get(mParentStyleName);
return parentStyle.getString(a, index);
@ -124,8 +127,9 @@ public class KeyStyles {
if (a.hasValue(index)) {
return a.getInt(index, defaultValue);
}
if (mStyleAttributes.containsKey(index)) {
return (Integer)mStyleAttributes.get(index);
final Object value = mStyleAttributes.get(index);
if (value != null) {
return (Integer)value;
}
final KeyStyle parentStyle = mStyles.get(mParentStyleName);
return parentStyle.getInt(a, index, defaultValue);
@ -133,12 +137,13 @@ public class KeyStyles {
@Override
public int getFlag(TypedArray a, int index) {
int value = a.getInt(index, 0);
if (mStyleAttributes.containsKey(index)) {
value |= (Integer)mStyleAttributes.get(index);
int flags = a.getInt(index, 0);
final Object value = mStyleAttributes.get(index);
if (value != null) {
flags |= (Integer)value;
}
final KeyStyle parentStyle = mStyles.get(mParentStyleName);
return value | parentStyle.getFlag(a, index);
return flags | parentStyle.getFlag(a, index);
}
void readKeyAttributes(TypedArray keyAttr) {

8
java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
View file

@ -20,6 +20,7 @@ import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.util.SparseIntArray;
import com.android.inputmethod.latin.R;
@ -31,8 +32,7 @@ public class KeyboardIconsSet {
public static final int ICON_UNDEFINED = 0;
private static final int ATTR_UNDEFINED = 0;
private static final HashMap<Integer, Integer> ATTR_ID_TO_ICON_ID
= new HashMap<Integer, Integer>();
private static final SparseIntArray ATTR_ID_TO_ICON_ID = new SparseIntArray();
// Icon name to icon id map.
private static final HashMap<String, Integer> sNameToIdsMap = new HashMap<String, Integer>();
@ -76,7 +76,9 @@ public class KeyboardIconsSet {
}
public void loadIcons(final TypedArray keyboardAttrs) {
for (final Integer attrId : ATTR_ID_TO_ICON_ID.keySet()) {
final int size = ATTR_ID_TO_ICON_ID.size();
for (int index = 0; index < size; index++) {
final int attrId = ATTR_ID_TO_ICON_ID.keyAt(index);
try {
final Drawable icon = keyboardAttrs.getDrawable(attrId);
setDefaultBounds(icon);