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Merge "Remove the CharacterStore class (A7)"

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This commit is contained in:
Jean Chalard 2012-01-26 03:09:31 -08:00 committed by Android (Google) Code Review
commit 5ef094f816
1 changed files with 50 additions and 70 deletions
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118
java/src/com/android/inputmethod/latin/WordComposer.java
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@ -33,45 +33,17 @@ public class WordComposer {
public static final int NOT_A_CODE = KeyDetector.NOT_A_CODE;
public static final int NOT_A_COORDINATE = -1;
// Storage for all the info about the current input.
private static class CharacterStore {
/**
* The list of unicode values for each keystroke (including surrounding keys)
*/
ArrayList<int[]> mCodes;
int[] mXCoordinates;
int[] mYCoordinates;
StringBuilder mTypedWord;
CharSequence mAutoCorrection;
CharacterStore() {
final int N = BinaryDictionary.MAX_WORD_LENGTH;
mCodes = new ArrayList<int[]>(N);
mTypedWord = new StringBuilder(N);
mXCoordinates = new int[N];
mYCoordinates = new int[N];
mAutoCorrection = null;
}
CharacterStore(final CharacterStore that) {
mCodes = new ArrayList<int[]>(that.mCodes);
mTypedWord = new StringBuilder(that.mTypedWord);
mXCoordinates = Arrays.copyOf(that.mXCoordinates, that.mXCoordinates.length);
mYCoordinates = Arrays.copyOf(that.mYCoordinates, that.mYCoordinates.length);
}
void reset() {
// For better performance than creating a new character store.
mCodes.clear();
mTypedWord.setLength(0);
mAutoCorrection = null;
}
}
// The currently typing word. May not be null.
private CharacterStore mCurrentWord;
private ArrayList<int[]> mCodes;
private int[] mXCoordinates;
private int[] mYCoordinates;
private StringBuilder mTypedWord;
private CharSequence mAutoCorrection;
// Cache these values for performance
private int mCapsCount;
private boolean mAutoCapitalized;
// Cache this value for performance
private int mTrailingSingleQuotesCount;
/**
@ -80,7 +52,11 @@ public class WordComposer {
private boolean mIsFirstCharCapitalized;
public WordComposer() {
mCurrentWord = new CharacterStore();
mCodes = new ArrayList<int[]>(N);
mTypedWord = new StringBuilder(N);
mXCoordinates = new int[N];
mYCoordinates = new int[N];
mAutoCorrection = null;
mTrailingSingleQuotesCount = 0;
}
@ -89,7 +65,10 @@ public class WordComposer {
}
public void init(WordComposer source) {
mCurrentWord = new CharacterStore(source.mCurrentWord);
mCodes = new ArrayList<int[]>(source.mCodes);
mTypedWord = new StringBuilder(source.mTypedWord);
mXCoordinates = Arrays.copyOf(source.mXCoordinates, source.mXCoordinates.length);
mYCoordinates = Arrays.copyOf(source.mYCoordinates, source.mYCoordinates.length);
mCapsCount = source.mCapsCount;
mIsFirstCharCapitalized = source.mIsFirstCharCapitalized;
mAutoCapitalized = source.mAutoCapitalized;
@ -100,7 +79,9 @@ public class WordComposer {
* Clear out the keys registered so far.
*/
public void reset() {
mCurrentWord.reset();
mCodes.clear();
mTypedWord.setLength(0);
mAutoCorrection = null;
mCapsCount = 0;
mIsFirstCharCapitalized = false;
mTrailingSingleQuotesCount = 0;
@ -111,7 +92,7 @@ public class WordComposer {
* @return the number of keystrokes
*/
public final int size() {
return mCurrentWord.mTypedWord.length();
return mTypedWord.length();
}
public final boolean isComposingWord() {
@ -124,15 +105,15 @@ public class WordComposer {
* @return the unicode for the pressed and surrounding keys
*/
public int[] getCodesAt(int index) {
return mCurrentWord.mCodes.get(index);
return mCodes.get(index);
}
public int[] getXCoordinates() {
return mCurrentWord.mXCoordinates;
return mXCoordinates;
}
public int[] getYCoordinates() {
return mCurrentWord.mYCoordinates;
return mYCoordinates;
}
private static boolean isFirstCharCapitalized(int index, int codePoint, boolean previous) {
@ -147,12 +128,12 @@ public class WordComposer {
*/
public void add(int primaryCode, int[] codes, int x, int y) {
final int newIndex = size();
mCurrentWord.mTypedWord.append((char) primaryCode);
mTypedWord.append((char) primaryCode);
correctPrimaryJuxtapos(primaryCode, codes);
mCurrentWord.mCodes.add(codes);
mCodes.add(codes);
if (newIndex < BinaryDictionary.MAX_WORD_LENGTH) {
mCurrentWord.mXCoordinates[newIndex] = x;
mCurrentWord.mYCoordinates[newIndex] = y;
mXCoordinates[newIndex] = x;
mYCoordinates[newIndex] = y;
}
mIsFirstCharCapitalized = isFirstCharCapitalized(
newIndex, primaryCode, mIsFirstCharCapitalized);
@ -162,7 +143,7 @@ public class WordComposer {
} else {
mTrailingSingleQuotesCount = 0;
}
mCurrentWord.mAutoCorrection = null;
mAutoCorrection = null;
}
/**
@ -231,9 +212,9 @@ public class WordComposer {
final int size = size();
if (size > 0) {
final int lastPos = size - 1;
char lastChar = mCurrentWord.mTypedWord.charAt(lastPos);
mCurrentWord.mCodes.remove(lastPos);
mCurrentWord.mTypedWord.deleteCharAt(lastPos);
char lastChar = mTypedWord.charAt(lastPos);
mCodes.remove(lastPos);
mTypedWord.deleteCharAt(lastPos);
if (Character.isUpperCase(lastChar)) mCapsCount--;
}
if (size() == 0) {
@ -242,12 +223,12 @@ public class WordComposer {
if (mTrailingSingleQuotesCount > 0) {
--mTrailingSingleQuotesCount;
} else {
for (int i = mCurrentWord.mTypedWord.length() - 1; i >= 0; --i) {
if (Keyboard.CODE_SINGLE_QUOTE != mCurrentWord.mTypedWord.codePointAt(i)) break;
for (int i = mTypedWord.length() - 1; i >= 0; --i) {
if (Keyboard.CODE_SINGLE_QUOTE != mTypedWord.codePointAt(i)) break;
++mTrailingSingleQuotesCount;
}
}
mCurrentWord.mAutoCorrection = null;
mAutoCorrection = null;
}
/**
@ -255,7 +236,7 @@ public class WordComposer {
* @return the word that was typed so far. Never returns null.
*/
public String getTypedWord() {
return mCurrentWord.mTypedWord.toString();
return mTypedWord.toString();
}
/**
@ -306,14 +287,14 @@ public class WordComposer {
* Sets the auto-correction for this word.
*/
public void setAutoCorrection(final CharSequence correction) {
mCurrentWord.mAutoCorrection = correction;
mAutoCorrection = correction;
}
/**
* @return the auto-correction for this word, or null if none.
*/
public CharSequence getAutoCorrectionOrNull() {
return mCurrentWord.mAutoCorrection;
return mAutoCorrection;
}
// `type' should be one of the LastComposedWord.COMMIT_TYPE_* constants above.
@ -328,23 +309,22 @@ public class WordComposer {
// LastComposedWord#didAutoCorrectToAnotherWord with #equals(). It would be marginally
// cleaner to do it here, but it would be slower (since we would #equals() for each commit,
// instead of only on cancel), and ultimately we want to figure it out even earlier anyway.
final LastComposedWord lastComposedWord = new LastComposedWord(type, mCurrentWord.mCodes,
mCurrentWord.mXCoordinates, mCurrentWord.mYCoordinates,
mCurrentWord.mTypedWord.toString(),
(type != LastComposedWord.COMMIT_TYPE_DECIDED_WORD)
|| (null == mCurrentWord.mAutoCorrection)
? null : mCurrentWord.mAutoCorrection.toString());
// TODO: improve performance by swapping buffers instead of creating a new object.
mCurrentWord = new CharacterStore();
final LastComposedWord lastComposedWord = new LastComposedWord(type, mCodes,
mXCoordinates, mYCoordinates, mTypedWord.toString(),
(type != LastComposedWord.COMMIT_TYPE_DECIDED_WORD) || (null == mAutoCorrection)
? null : mAutoCorrection.toString());
mCodes.clear();
mTypedWord.setLength(0);
mAutoCorrection = null;
return lastComposedWord;
}
public void resumeSuggestionOnLastComposedWord(final LastComposedWord lastComposedWord) {
mCurrentWord.mCodes = lastComposedWord.mCodes;
mCurrentWord.mXCoordinates = lastComposedWord.mXCoordinates;
mCurrentWord.mYCoordinates = lastComposedWord.mYCoordinates;
mCurrentWord.mTypedWord.setLength(0);
mCurrentWord.mTypedWord.append(lastComposedWord.mTypedWord);
mCurrentWord.mAutoCorrection = lastComposedWord.mAutoCorrection;
mCodes = lastComposedWord.mCodes;
mXCoordinates = lastComposedWord.mXCoordinates;
mYCoordinates = lastComposedWord.mYCoordinates;
mTypedWord.setLength(0);
mTypedWord.append(lastComposedWord.mTypedWord);
mAutoCorrection = lastComposedWord.mAutoCorrection;
}
}