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Add more options for calling removeWordFromPersonalizedDicts. 

Bug: 19441205

Change-Id: I41aff536a64271d2dc9489a20df33d64170756cc
main
Tom Ouyang 2015-02-18 17:50:33 -08:00
parent 95711bfcee
commit edea47ff2e
4 changed files with 68 additions and 5 deletions
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4
common/src/com/android/inputmethod/latin/common/Constants.java
View File

@ -325,6 +325,10 @@ public final class Constants {
public static final int DECODER_SCORE_SCALAR = 1000000;
public static final int DECODER_MAX_SCORE = 1000000000;
public static final int EVENT_BACKSPACE = 1;
public static final int EVENT_REJECTION = 2;
public static final int EVENT_REVERT = 3;
private Constants() {
// This utility class is not publicly instantiable.
}

4
java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
View File

@ -150,7 +150,9 @@ public interface DictionaryFacilitator {
@Nonnull final NgramContext ngramContext, final int timeStampInSeconds,
final boolean blockPotentiallyOffensive);
void removeWordFromPersonalizedDicts(final String word);
void unlearnFromUserHistory(final String word,
@Nonnull final NgramContext ngramContext, final int timeStampInSeconds,
final int eventType);
// TODO: Revise the way to fusion suggestion results.
SuggestionResults getSuggestionResults(final WordComposer composer,

10
java/src/com/android/inputmethod/latin/DictionaryFacilitatorImpl.java
View File

@ -654,8 +654,14 @@ public class DictionaryFacilitatorImpl implements DictionaryFacilitator {
}
}
public void removeWordFromPersonalizedDicts(final String word) {
removeWord(Dictionary.TYPE_USER_HISTORY, word);
@Override
public void unlearnFromUserHistory(final String word,
@Nonnull final NgramContext ngramContext, final int timeStampInSeconds,
final int eventType) {
// TODO: Decide whether or not to remove the word on EVENT_BACKSPACE.
if (eventType != Constants.EVENT_BACKSPACE) {
removeWord(Dictionary.TYPE_USER_HISTORY, word);
}
}
// TODO: Revise the way to fusion suggestion results.

55
java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
View File

@ -1007,7 +1007,8 @@ public final class InputLogic {
mWordComposer.reset();
mWordComposer.setRejectedBatchModeSuggestion(rejectedSuggestion);
if (!TextUtils.isEmpty(rejectedSuggestion)) {
mDictionaryFacilitator.removeWordFromPersonalizedDicts(rejectedSuggestion);
unlearnWord(rejectedSuggestion, inputTransaction.mSettingsValues,
Constants.EVENT_REJECTION);
}
StatsUtils.onBackspaceWordDelete(rejectedSuggestion.length());
} else {
@ -1060,6 +1061,8 @@ public final class InputLogic {
}
}
boolean hasUnlearnedWordBeingDeleted = false;
// No cancelling of commit/double space/swap: we have a regular backspace.
// We should backspace one char and restart suggestion if at the end of a word.
if (mConnection.hasSelection()) {
@ -1090,6 +1093,11 @@ public final class InputLogic {
sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
int totalDeletedLength = 1;
if (mDeleteCount > Constants.DELETE_ACCELERATE_AT) {
// If this is an accelerated (i.e., double) deletion, then we need to
// consider unlearning here too because we may have just entered the
// previous word, and the next deletion will currupt it.
hasUnlearnedWordBeingDeleted |= unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
totalDeletedLength++;
}
@ -1112,6 +1120,11 @@ public final class InputLogic {
mConnection.deleteSurroundingText(lengthToDelete, 0);
int totalDeletedLength = lengthToDelete;
if (mDeleteCount > Constants.DELETE_ACCELERATE_AT) {
// If this is an accelerated (i.e., double) deletion, then we need to
// consider unlearning here too because we may have just entered the
// previous word, and the next deletion will currupt it.
hasUnlearnedWordBeingDeleted |= unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
final int codePointBeforeCursorToDeleteAgain =
mConnection.getCodePointBeforeCursor();
if (codePointBeforeCursorToDeleteAgain != Constants.NOT_A_CODE) {
@ -1124,6 +1137,11 @@ public final class InputLogic {
StatsUtils.onBackspacePressed(totalDeletedLength);
}
}
if (!hasUnlearnedWordBeingDeleted) {
// Consider unlearning the word being deleted (if we have not done so already).
unlearnWordBeingDeleted(
inputTransaction.mSettingsValues, currentKeyboardScriptId);
}
if (inputTransaction.mSettingsValues.isSuggestionsEnabledPerUserSettings()
&& inputTransaction.mSettingsValues.mSpacingAndPunctuations
.mCurrentLanguageHasSpaces
@ -1135,6 +1153,38 @@ public final class InputLogic {
}
}
boolean unlearnWordBeingDeleted(
final SettingsValues settingsValues,final int currentKeyboardScriptId) {
// If we just started backspacing to delete a previous word (but have not
// entered the composing state yet), unlearn the word.
// TODO: Consider tracking whether or not this word was typed by the user.
if (!mConnection.hasSelection()
&& settingsValues.isSuggestionsEnabledPerUserSettings()
&& settingsValues.mSpacingAndPunctuations.mCurrentLanguageHasSpaces
&& !mConnection.isCursorFollowedByWordCharacter(
settingsValues.mSpacingAndPunctuations)) {
final TextRange range = mConnection.getWordRangeAtCursor(
settingsValues.mSpacingAndPunctuations,
currentKeyboardScriptId);
final String wordBeingDeleted = range.mWord.toString();
if (!wordBeingDeleted.isEmpty()) {
unlearnWord(wordBeingDeleted, settingsValues,
Constants.EVENT_BACKSPACE);
return true;
}
}
return false;
}
void unlearnWord(final String word, final SettingsValues settingsValues, final int eventType) {
final NgramContext ngramContext = mConnection.getNgramContextFromNthPreviousWord(
settingsValues.mSpacingAndPunctuations, 2);
final int timeStampInSeconds = (int)TimeUnit.MILLISECONDS.toSeconds(
System.currentTimeMillis());
mDictionaryFacilitator.unlearnFromUserHistory(
word, ngramContext, timeStampInSeconds, eventType);
}
/**
* Handle a press on the language switch key (the "globe key")
*/
@ -1546,7 +1596,8 @@ public final class InputLogic {
}
mConnection.deleteSurroundingText(deleteLength, 0);
if (!TextUtils.isEmpty(committedWord)) {
mDictionaryFacilitator.removeWordFromPersonalizedDicts(committedWordString);
unlearnWord(committedWordString, inputTransaction.mSettingsValues,
Constants.EVENT_REVERT);
}
final String stringToCommit = originallyTypedWord +
(usePhantomSpace ? "" : separatorString);