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Merge "Group all input-related info into an inner class."

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This commit is contained in:
Jean Chalard 2011-12-15 03:21:47 -08:00 committed by Android (Google) Code Review
commit 05f654d498
1 changed files with 50 additions and 33 deletions
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77
java/src/com/android/inputmethod/latin/WordComposer.java
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@ -32,15 +32,40 @@ 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)
*/
private ArrayList<int[]> mCodes;
ArrayList<int[]> mCodes;
int[] mXCoordinates;
int[] mYCoordinates;
StringBuilder mTypedWord;
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];
}
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);
}
}
private int[] mXCoordinates;
private int[] mYCoordinates;
private StringBuilder mTypedWord;
// The currently typing word.
// NOTE: this is not reset as soon as the word is committed because it may be needed again
// to resume suggestion if backspaced. TODO: separate cleanly what is actually being
// composed and what is kept for possible resuming.
private CharacterStore mCurrentWord;
// An auto-correction for this word out of the dictionary.
private CharSequence mAutoCorrection;
@ -56,11 +81,7 @@ public class WordComposer {
private boolean mIsFirstCharCapitalized;
public WordComposer() {
final int N = BinaryDictionary.MAX_WORD_LENGTH;
mCodes = new ArrayList<int[]>(N);
mTypedWord = new StringBuilder(N);
mXCoordinates = new int[N];
mYCoordinates = new int[N];
mCurrentWord = new CharacterStore();
mTrailingSingleQuotesCount = 0;
mAutoCorrection = null;
}
@ -70,10 +91,7 @@ public class WordComposer {
}
public void init(WordComposer source) {
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);
mCurrentWord = new CharacterStore(source.mCurrentWord);
mCapsCount = source.mCapsCount;
mIsFirstCharCapitalized = source.mIsFirstCharCapitalized;
mAutoCapitalized = source.mAutoCapitalized;
@ -85,8 +103,7 @@ public class WordComposer {
* Clear out the keys registered so far.
*/
public void reset() {
mCodes.clear();
mTypedWord.setLength(0);
mCurrentWord.reset();
mCapsCount = 0;
mIsFirstCharCapitalized = false;
mTrailingSingleQuotesCount = 0;
@ -98,7 +115,7 @@ public class WordComposer {
* @return the number of keystrokes
*/
public final int size() {
return mTypedWord.length();
return mCurrentWord.mTypedWord.length();
}
/**
@ -107,15 +124,15 @@ public class WordComposer {
* @return the unicode for the pressed and surrounding keys
*/
public int[] getCodesAt(int index) {
return mCodes.get(index);
return mCurrentWord.mCodes.get(index);
}
public int[] getXCoordinates() {
return mXCoordinates;
return mCurrentWord.mXCoordinates;
}
public int[] getYCoordinates() {
return mYCoordinates;
return mCurrentWord.mYCoordinates;
}
private static boolean isFirstCharCapitalized(int index, int codePoint, boolean previous) {
@ -130,12 +147,12 @@ public class WordComposer {
*/
public void add(int primaryCode, int[] codes, int x, int y) {
final int newIndex = size();
mTypedWord.append((char) primaryCode);
mCurrentWord.mTypedWord.append((char) primaryCode);
correctPrimaryJuxtapos(primaryCode, codes);
mCodes.add(codes);
mCurrentWord.mCodes.add(codes);
if (newIndex < BinaryDictionary.MAX_WORD_LENGTH) {
mXCoordinates[newIndex] = x;
mYCoordinates[newIndex] = y;
mCurrentWord.mXCoordinates[newIndex] = x;
mCurrentWord.mYCoordinates[newIndex] = y;
}
mIsFirstCharCapitalized = isFirstCharCapitalized(
newIndex, primaryCode, mIsFirstCharCapitalized);
@ -215,9 +232,9 @@ public class WordComposer {
final int size = size();
if (size > 0) {
final int lastPos = size - 1;
char lastChar = mTypedWord.charAt(lastPos);
mCodes.remove(lastPos);
mTypedWord.deleteCharAt(lastPos);
char lastChar = mCurrentWord.mTypedWord.charAt(lastPos);
mCurrentWord.mCodes.remove(lastPos);
mCurrentWord.mTypedWord.deleteCharAt(lastPos);
if (Character.isUpperCase(lastChar)) mCapsCount--;
}
if (size() == 0) {
@ -226,8 +243,8 @@ public class WordComposer {
if (mTrailingSingleQuotesCount > 0) {
--mTrailingSingleQuotesCount;
} else {
for (int i = mTypedWord.length() - 1; i >= 0; --i) {
if (Keyboard.CODE_SINGLE_QUOTE != mTypedWord.codePointAt(i)) break;
for (int i = mCurrentWord.mTypedWord.length() - 1; i >= 0; --i) {
if (Keyboard.CODE_SINGLE_QUOTE != mCurrentWord.mTypedWord.codePointAt(i)) break;
++mTrailingSingleQuotesCount;
}
}
@ -239,7 +256,7 @@ public class WordComposer {
* @return the word that was typed so far. Never returns null.
*/
public String getTypedWord() {
return mTypedWord.toString();
return mCurrentWord.mTypedWord.toString();
}
/**