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Merge "If there are no suggestion span, recompute suggestions."

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Jean Chalard 2013-04-15 11:18:27 +00:00 committed by Android (Google) Code Review
parent 837f46dcb3 0e9ee4d3bf
commit a022c53882
4 changed files with 148 additions and 16 deletions
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71
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -1466,7 +1466,13 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
"", mWordComposer.getTypedWord(), " ", mWordComposer);
}
}
commitTyped(LastComposedWord.NOT_A_SEPARATOR);
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the character at the current cursor position.
resetEntireInputState(mLastSelectionStart);
} else {
commitTyped(LastComposedWord.NOT_A_SEPARATOR);
}
}
final int keyX, keyY;
final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
@ -1522,8 +1528,12 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
}
final int wordComposerSize = mWordComposer.size();
// Since isComposingWord() is true, the size is at least 1.
final int lastChar = mWordComposer.getCodeAt(wordComposerSize - 1);
if (wordComposerSize <= 1) {
final int lastChar = mWordComposer.getCodeBeforeCursor();
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the batch input at the current cursor position.
resetEntireInputState(mLastSelectionStart);
} else if (wordComposerSize <= 1) {
// We auto-correct the previous (typed, not gestured) string iff it's one character
// long. The reason for this is, even in the middle of gesture typing, you'll still
// tap one-letter words and you want them auto-corrected (typically, "i" in English
@ -1734,8 +1744,11 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
// during key repeat.
mHandler.postUpdateShiftState();
if (mWordComposer.isComposingWord() && !mWordComposer.isCursorAtEndOfComposingWord()) {
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can remove the character at the current cursor position.
resetEntireInputState(mLastSelectionStart);
// When we exit this if-clause, mWordComposer.isComposingWord() will return false.
}
if (mWordComposer.isComposingWord()) {
final int length = mWordComposer.size();
@ -1870,7 +1883,9 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
promotePhantomSpace();
}
if (mWordComposer.isComposingWord() && !mWordComposer.isCursorAtEndOfComposingWord()) {
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the character at the current cursor position.
resetEntireInputState(mLastSelectionStart);
isComposingWord = false;
}
@ -1935,7 +1950,11 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
ResearchLogger.latinIME_handleSeparator(primaryCode, mWordComposer.isComposingWord());
}
boolean didAutoCorrect = false;
// Handle separator
if (mWordComposer.isCursorFrontOrMiddleOfComposingWord()) {
// If we are in the middle of a recorrection, we need to commit the recorrection
// first so that we can insert the separator at the current cursor position.
resetEntireInputState(mLastSelectionStart);
}
if (mWordComposer.isComposingWord()) {
if (mSettings.getCurrent().mCorrectionEnabled) {
// TODO: maybe cache Strings in an <String> sparse array or something
@ -2357,9 +2376,9 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
final Range range = mConnection.getWordRangeAtCursor(mSettings.getWordSeparators(),
0 /* additionalPrecedingWordsCount */);
final ArrayList<SuggestedWordInfo> suggestions = CollectionUtils.newArrayList();
final String typedWord = range.mWord.toString();
if (range.mWord instanceof SpannableString) {
final SpannableString spannableString = (SpannableString)range.mWord;
final String typedWord = spannableString.toString();
int i = 0;
for (Object object : spannableString.getSpans(0, spannableString.length(),
SuggestionSpan.class)) {
@ -2374,18 +2393,42 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
}
}
}
mWordComposer.setComposingWord(range.mWord, mKeyboardSwitcher.getKeyboard());
mWordComposer.setComposingWord(typedWord, mKeyboardSwitcher.getKeyboard());
mWordComposer.setCursorPositionWithinWord(range.mCharsBefore);
mConnection.setComposingRegion(mLastSelectionStart - range.mCharsBefore,
mLastSelectionEnd + range.mCharsAfter);
final SuggestedWords suggestedWords;
if (suggestions.isEmpty()) {
suggestions.add(new SuggestedWordInfo(range.mWord.toString(), 1,
SuggestedWordInfo.KIND_TYPED, Dictionary.TYPE_RESUMED));
// We come here if there weren't any suggestion spans on this word. We will try to
// compute suggestions for it instead.
final SuggestedWords suggestedWordsIncludingTypedWord =
getSuggestedWords(Suggest.SESSION_TYPING);
if (suggestedWordsIncludingTypedWord.size() > 1) {
// We were able to compute new suggestions for this word.
// Remove the typed word, since we don't want to display it in this case.
// The #getSuggestedWordsExcludingTypedWord() method sets willAutoCorrect to false.
suggestedWords =
suggestedWordsIncludingTypedWord.getSuggestedWordsExcludingTypedWord();
} else {
// No saved suggestions, and we were unable to compute any good one either.
// Rather than displaying an empty suggestion strip, we'll display the original
// word alone in the middle.
// Since there is only one word, willAutoCorrect is false.
suggestedWords = suggestedWordsIncludingTypedWord;
}
} else {
// We found suggestion spans in the word. We'll create the SuggestedWords out of
// them, and make willAutoCorrect false.
suggestedWords = new SuggestedWords(suggestions,
true /* typedWordValid */, false /* willAutoCorrect */,
false /* isPunctuationSuggestions */, false /* isObsoleteSuggestions */,
false /* isPrediction */);
}
showSuggestionStrip(new SuggestedWords(suggestions,
true /* typedWordValid */, false /* willAutoCorrect */,
false /* isPunctuationSuggestions */, false /* isObsoleteSuggestions */,
false /* isPrediction */), range.mWord.toString());
// Note that it's very important here that suggestedWords.mWillAutoCorrect is false.
// We never want to auto-correct on a resumed suggestion. Please refer to the three
// places above where suggestedWords is affected.
showSuggestionStrip(suggestedWords, typedWord);
}
/**

17
java/src/com/android/inputmethod/latin/SuggestedWords.java
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@ -195,4 +195,21 @@ public final class SuggestedWords {
}
}
}
// SuggestedWords is an immutable object, as much as possible. We must not just remove
// words from the member ArrayList as some other parties may expect the object to never change.
public SuggestedWords getSuggestedWordsExcludingTypedWord() {
final ArrayList<SuggestedWordInfo> newSuggestions = CollectionUtils.newArrayList();
for (int i = 0; i < mSuggestedWordInfoList.size(); ++i) {
final SuggestedWordInfo info = mSuggestedWordInfoList.get(i);
if (SuggestedWordInfo.KIND_TYPED != info.mKind) {
newSuggestions.add(info);
}
}
// We should never autocorrect, so we say the typed word is valid. Also, in this case,
// no auto-correction should take place hence willAutoCorrect = false.
return new SuggestedWords(newSuggestions, true /* typedWordValid */,
false /* willAutoCorrect */, mIsPunctuationSuggestions, mIsObsoleteSuggestions,
mIsPrediction);
}
}

16
java/src/com/android/inputmethod/latin/WordComposer.java
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@ -27,6 +27,7 @@ import java.util.Arrays;
*/
public final class WordComposer {
private static final int MAX_WORD_LENGTH = Constants.Dictionary.MAX_WORD_LENGTH;
private static final boolean DBG = LatinImeLogger.sDBG;
public static final int CAPS_MODE_OFF = 0;
// 1 is shift bit, 2 is caps bit, 4 is auto bit but this is just a convention as these bits
@ -132,6 +133,13 @@ public final class WordComposer {
return mPrimaryKeyCodes[index];
}
public int getCodeBeforeCursor() {
if (mCursorPositionWithinWord < 1 || mCursorPositionWithinWord > mPrimaryKeyCodes.length) {
return Constants.NOT_A_CODE;
}
return mPrimaryKeyCodes[mCursorPositionWithinWord - 1];
}
public InputPointers getInputPointers() {
return mInputPointers;
}
@ -177,8 +185,12 @@ public final class WordComposer {
mCursorPositionWithinWord = posWithinWord;
}
public boolean isCursorAtEndOfComposingWord() {
return mCursorPositionWithinWord == mCodePointSize;
public boolean isCursorFrontOrMiddleOfComposingWord() {
if (DBG && mCursorPositionWithinWord > mCodePointSize) {
throw new RuntimeException("Wrong cursor position : " + mCursorPositionWithinWord
+ "in a word of size " + mCodePointSize);
}
return mCursorPositionWithinWord != mCodePointSize;
}
public void setBatchInputPointers(final InputPointers batchPointers) {

60
tests/src/com/android/inputmethod/latin/SuggestedWordsTests.java Normal file
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@ -0,0 +1,60 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import java.util.ArrayList;
import java.util.Locale;
@SmallTest
public class SuggestedWordsTests extends AndroidTestCase {
public void testGetSuggestedWordsExcludingTypedWord() {
final String TYPED_WORD = "typed";
final int TYPED_WORD_FREQ = 5;
final int NUMBER_OF_ADDED_SUGGESTIONS = 5;
final ArrayList<SuggestedWordInfo> list = CollectionUtils.newArrayList();
list.add(new SuggestedWordInfo(TYPED_WORD, TYPED_WORD_FREQ,
SuggestedWordInfo.KIND_TYPED, ""));
for (int i = 0; i < NUMBER_OF_ADDED_SUGGESTIONS; ++i) {
list.add(new SuggestedWordInfo("" + i, 1, SuggestedWordInfo.KIND_CORRECTION, ""));
}
final SuggestedWords words = new SuggestedWords(
list,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isPunctuationSuggestions */,
false /* isObsoleteSuggestions */,
false /* isPrediction*/);
assertEquals(NUMBER_OF_ADDED_SUGGESTIONS + 1, words.size());
assertEquals("typed", words.getWord(0));
assertEquals(SuggestedWordInfo.KIND_TYPED, words.getInfo(0).mKind);
assertEquals("0", words.getWord(1));
assertEquals(SuggestedWordInfo.KIND_CORRECTION, words.getInfo(1).mKind);
assertEquals("4", words.getWord(5));
assertEquals(SuggestedWordInfo.KIND_CORRECTION, words.getInfo(5).mKind);
final SuggestedWords wordsWithoutTyped = words.getSuggestedWordsExcludingTypedWord();
assertEquals(words.size() - 1, wordsWithoutTyped.size());
assertEquals("0", wordsWithoutTyped.getWord(0));
assertEquals(SuggestedWordInfo.KIND_CORRECTION, wordsWithoutTyped.getInfo(0).mKind);
}
}