diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin')
7 files changed, 23 insertions, 61 deletions
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java index a7e95a080..ff7e2b88a 100644 --- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java +++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java @@ -118,8 +118,7 @@ public class BinaryDictionary extends Dictionary { private native void closeNative(int dict); private native boolean isValidWordNative(int nativeData, char[] word, int wordLength); private native int getSuggestionsNative(int dict, int[] inputCodes, int codesSize, - char[] outputChars, int[] frequencies, - int[] nextLettersFrequencies, int nextLettersSize); + char[] outputChars, int[] frequencies); private native int getBigramsNative(int dict, char[] prevWord, int prevWordLength, int[] inputCodes, int inputCodesLength, char[] outputChars, int[] frequencies, int maxWordLength, int maxBigrams, int maxAlternatives); @@ -133,7 +132,7 @@ public class BinaryDictionary extends Dictionary { @Override public void getBigrams(final WordComposer codes, final CharSequence previousWord, - final WordCallback callback, int[] nextLettersFrequencies) { + final WordCallback callback) { if (mNativeDict == 0) return; char[] chars = previousWord.toString().toCharArray(); @@ -165,15 +164,14 @@ public class BinaryDictionary extends Dictionary { } @Override - public void getWords(final WordComposer codes, final WordCallback callback, - int[] nextLettersFrequencies) { + public void getWords(final WordComposer codes, final WordCallback callback) { if (mNativeDict == 0) return; final int codesSize = codes.size(); // Won't deal with really long words. if (codesSize > MAX_WORD_LENGTH - 1) return; - Arrays.fill(mInputCodes, -1); + Arrays.fill(mInputCodes, WordComposer.NOT_A_CODE); for (int i = 0; i < codesSize; i++) { int[] alternatives = codes.getCodesAt(i); System.arraycopy(alternatives, 0, mInputCodes, i * MAX_ALTERNATIVES, @@ -183,8 +181,7 @@ public class BinaryDictionary extends Dictionary { Arrays.fill(mFrequencies, 0); int count = getSuggestionsNative(mNativeDict, mInputCodes, codesSize, mOutputChars, - mFrequencies, nextLettersFrequencies, - nextLettersFrequencies != null ? nextLettersFrequencies.length : 0); + mFrequencies); for (int j = 0; j < count; ++j) { if (mFrequencies[j] < 1) break; diff --git a/java/src/com/android/inputmethod/latin/Dictionary.java b/java/src/com/android/inputmethod/latin/Dictionary.java index 74933595c..56f0cc503 100644 --- a/java/src/com/android/inputmethod/latin/Dictionary.java +++ b/java/src/com/android/inputmethod/latin/Dictionary.java @@ -61,14 +61,9 @@ public abstract class Dictionary { * words are added through the callback object. * @param composer the key sequence to match * @param callback the callback object to send matched words to as possible candidates - * @param nextLettersFrequencies array of frequencies of next letters that could follow the - * word so far. For instance, "bracke" can be followed by "t", so array['t'] will have - * a non-zero value on returning from this method. - * Pass in null if you don't want the dictionary to look up next letters. * @see WordCallback#addWord(char[], int, int) */ - abstract public void getWords(final WordComposer composer, final WordCallback callback, - int[] nextLettersFrequencies); + abstract public void getWords(final WordComposer composer, final WordCallback callback); /** * Searches for pairs in the bigram dictionary that matches the previous word and all the @@ -76,13 +71,9 @@ public abstract class Dictionary { * @param composer the key sequence to match * @param previousWord the word before * @param callback the callback object to send possible word following previous word - * @param nextLettersFrequencies array of frequencies of next letters that could follow the - * word so far. For instance, "bracke" can be followed by "t", so array['t'] will have - * a non-zero value on returning from this method. - * Pass in null if you don't want the dictionary to look up next letters. */ public void getBigrams(final WordComposer composer, final CharSequence previousWord, - final WordCallback callback, int[] nextLettersFrequencies) { + final WordCallback callback) { // empty base implementation } diff --git a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java index 0fc86c335..b10e7a61e 100644 --- a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java +++ b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java @@ -37,7 +37,6 @@ public class ExpandableDictionary extends Dictionary { private int mDicTypeId; private int mMaxDepth; private int mInputLength; - private int[] mNextLettersFrequencies; private StringBuilder sb = new StringBuilder(MAX_WORD_LENGTH); private static final char QUOTE = '\''; @@ -191,8 +190,7 @@ public class ExpandableDictionary extends Dictionary { } @Override - public void getWords(final WordComposer codes, final WordCallback callback, - int[] nextLettersFrequencies) { + public void getWords(final WordComposer codes, final WordCallback callback) { synchronized (mUpdatingLock) { // If we need to update, start off a background task if (mRequiresReload) startDictionaryLoadingTaskLocked(); @@ -201,7 +199,6 @@ public class ExpandableDictionary extends Dictionary { } mInputLength = codes.size(); - mNextLettersFrequencies = nextLettersFrequencies; if (mCodes.length < mInputLength) mCodes = new int[mInputLength][]; // Cache the codes so that we don't have to lookup an array list for (int i = 0; i < mInputLength; i++) { @@ -282,11 +279,6 @@ public class ExpandableDictionary extends Dictionary { DataType.UNIGRAM)) { return; } - // Add to frequency of next letters for predictive correction - if (mNextLettersFrequencies != null && depth >= inputIndex && skipPos < 0 - && mNextLettersFrequencies.length > word[inputIndex]) { - mNextLettersFrequencies[word[inputIndex]]++; - } } if (children != null) { getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex, @@ -427,7 +419,7 @@ public class ExpandableDictionary extends Dictionary { @Override public void getBigrams(final WordComposer codes, final CharSequence previousWord, - final WordCallback callback, int[] nextLettersFrequencies) { + final WordCallback callback) { if (!reloadDictionaryIfRequired()) { runReverseLookUp(previousWord, callback); } @@ -516,7 +508,7 @@ public class ExpandableDictionary extends Dictionary { } } - static char toLowerCase(char c) { + private static char toLowerCase(char c) { char baseChar = c; if (c < BASE_CHARS.length) { baseChar = BASE_CHARS[c]; @@ -535,7 +527,7 @@ public class ExpandableDictionary extends Dictionary { * if c is not a combined character, or the base character if it * is combined. */ - static final char BASE_CHARS[] = { + private static final char BASE_CHARS[] = { 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java index cb1ff41dd..648c1bab8 100644 --- a/java/src/com/android/inputmethod/latin/LatinIME.java +++ b/java/src/com/android/inputmethod/latin/LatinIME.java @@ -1500,8 +1500,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen } public void updateSuggestions() { - mKeyboardSwitcher.setPreferredLetters(null); - // Check if we have a suggestion engine attached. if ((mSuggest == null || !isSuggestionsRequested()) && !mVoiceConnector.isVoiceInputHighlighted()) { @@ -1520,7 +1518,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen } private void showCorrections(WordAlternatives alternatives) { - mKeyboardSwitcher.setPreferredLetters(null); SuggestedWords.Builder builder = alternatives.getAlternatives(); builder.setTypedWordValid(false).setHasMinimalSuggestion(false); showSuggestions(builder.build(), alternatives.getOriginalWord()); @@ -1533,9 +1530,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen SuggestedWords.Builder builder = mSuggest.getSuggestedWordBuilder( mKeyboardSwitcher.getInputView(), word, prevWord); - int[] nextLettersFrequencies = mSuggest.getNextLettersFrequencies(); - mKeyboardSwitcher.setPreferredLetters(nextLettersFrequencies); - boolean correctionAvailable = !mInputTypeNoAutoCorrect && !mJustReverted && mSuggest.hasAutoCorrection(); final CharSequence typedWord = word.getTypedWord(); @@ -1704,7 +1698,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen saveWordInHistory(suggestion); mHasValidSuggestions = false; mCommittedLength = suggestion.length(); - switcher.setPreferredLetters(null); } /** diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java index c9e57d0a5..6466f7980 100644 --- a/java/src/com/android/inputmethod/latin/Suggest.java +++ b/java/src/com/android/inputmethod/latin/Suggest.java @@ -87,12 +87,6 @@ public class Suggest implements Dictionary.WordCallback { private int[] mPriorities = new int[mPrefMaxSuggestions]; private int[] mBigramPriorities = new int[PREF_MAX_BIGRAMS]; - // Handle predictive correction for only the first 1280 characters for performance reasons - // If we support scripts that need latin characters beyond that, we should probably use some - // kind of a sparse array or language specific list with a mapping lookup table. - // 1280 is the size of the BASE_CHARS array in ExpandableDictionary, which is a basic set of - // latin characters. - private int[] mNextLettersFrequencies = new int[1280]; private ArrayList<CharSequence> mSuggestions = new ArrayList<CharSequence>(); ArrayList<CharSequence> mBigramSuggestions = new ArrayList<CharSequence>(); private ArrayList<CharSequence> mStringPool = new ArrayList<CharSequence>(); @@ -216,7 +210,6 @@ public class Suggest implements Dictionary.WordCallback { mIsAllUpperCase = wordComposer.isAllUpperCase(); collectGarbage(mSuggestions, mPrefMaxSuggestions); Arrays.fill(mPriorities, 0); - Arrays.fill(mNextLettersFrequencies, 0); // Save a lowercase version of the original word CharSequence typedWord = wordComposer.getTypedWord(); @@ -244,16 +237,13 @@ public class Suggest implements Dictionary.WordCallback { prevWordForBigram = lowerPrevWord; } if (mUserBigramDictionary != null) { - mUserBigramDictionary.getBigrams(wordComposer, prevWordForBigram, this, - mNextLettersFrequencies); + mUserBigramDictionary.getBigrams(wordComposer, prevWordForBigram, this); } if (mContactsDictionary != null) { - mContactsDictionary.getBigrams(wordComposer, prevWordForBigram, this, - mNextLettersFrequencies); + mContactsDictionary.getBigrams(wordComposer, prevWordForBigram, this); } if (mMainDict != null) { - mMainDict.getBigrams(wordComposer, prevWordForBigram, this, - mNextLettersFrequencies); + mMainDict.getBigrams(wordComposer, prevWordForBigram, this); } char currentChar = wordComposer.getTypedWord().charAt(0); char currentCharUpper = Character.toUpperCase(currentChar); @@ -278,10 +268,10 @@ public class Suggest implements Dictionary.WordCallback { // At second character typed, search the unigrams (scores being affected by bigrams) if (mUserDictionary != null || mContactsDictionary != null) { if (mUserDictionary != null) { - mUserDictionary.getWords(wordComposer, this, mNextLettersFrequencies); + mUserDictionary.getWords(wordComposer, this); } if (mContactsDictionary != null) { - mContactsDictionary.getWords(wordComposer, this, mNextLettersFrequencies); + mContactsDictionary.getWords(wordComposer, this); } if (mSuggestions.size() > 0 && isValidWord(typedWord) @@ -293,7 +283,7 @@ public class Suggest implements Dictionary.WordCallback { mHasAutoCorrection = true; } } - if (mMainDict != null) mMainDict.getWords(wordComposer, this, mNextLettersFrequencies); + if (mMainDict != null) mMainDict.getWords(wordComposer, this); if ((mCorrectionMode == CORRECTION_FULL || mCorrectionMode == CORRECTION_FULL_BIGRAM) && mSuggestions.size() > 0 && mPriorities.length > 0) { // TODO: when the normalized score of the first suggestion is nearly equals to @@ -388,10 +378,6 @@ public class Suggest implements Dictionary.WordCallback { } } - public int[] getNextLettersFrequencies() { - return mNextLettersFrequencies; - } - private void removeDupes() { final ArrayList<CharSequence> suggestions = mSuggestions; if (suggestions.size() < 2) return; diff --git a/java/src/com/android/inputmethod/latin/UserDictionary.java b/java/src/com/android/inputmethod/latin/UserDictionary.java index db5d9244f..c06bd736e 100644 --- a/java/src/com/android/inputmethod/latin/UserDictionary.java +++ b/java/src/com/android/inputmethod/latin/UserDictionary.java @@ -126,9 +126,8 @@ public class UserDictionary extends ExpandableDictionary { } @Override - public synchronized void getWords(final WordComposer codes, final WordCallback callback, - int[] nextLettersFrequencies) { - super.getWords(codes, callback, nextLettersFrequencies); + public synchronized void getWords(final WordComposer codes, final WordCallback callback) { + super.getWords(codes, callback); } @Override diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java index 2e415b771..e003dcd5b 100644 --- a/java/src/com/android/inputmethod/latin/WordComposer.java +++ b/java/src/com/android/inputmethod/latin/WordComposer.java @@ -16,12 +16,16 @@ package com.android.inputmethod.latin; +import com.android.inputmethod.keyboard.KeyDetector; + import java.util.ArrayList; /** * A place to store the currently composing word with information such as adjacent key codes as well */ public class WordComposer { + public static final int NOT_A_CODE = KeyDetector.NOT_A_CODE; + /** * The list of unicode values for each keystroke (including surrounding keys) */ |