am 926ebe84: Merge "Add a sequence number to SuggestedWords."
* commit '926ebe849a83c43488bd2bb044b81f39e6b51eef': Add a sequence number to SuggestedWords.main
commit
623037d76f
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@ -1818,12 +1818,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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@Override
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public boolean handleMessage(final Message msg) {
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// TODO: straighten message passing - we don't need two kinds of messages calling
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// each other.
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switch (msg.what) {
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case MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP:
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updateBatchInput((InputPointers)msg.obj);
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updateBatchInput((InputPointers)msg.obj, msg.arg2 /* sequenceNumber */);
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break;
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case MSG_GET_SUGGESTED_WORDS:
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mLatinIme.getSuggestedWords(msg.arg1, (OnGetSuggestedWordsCallback) msg.obj);
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mLatinIme.getSuggestedWords(msg.arg1 /* sessionId */,
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msg.arg2 /* sequenceNumber */, (OnGetSuggestedWordsCallback) msg.obj);
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break;
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}
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return true;
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@ -1840,14 +1843,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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// Run in the Handler thread.
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private void updateBatchInput(final InputPointers batchPointers) {
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private void updateBatchInput(final InputPointers batchPointers, final int sequenceNumber) {
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synchronized (mLock) {
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if (!mInBatchInput) {
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// Batch input has ended or canceled while the message was being delivered.
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return;
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}
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getSuggestedWordsGestureLocked(batchPointers, new OnGetSuggestedWordsCallback() {
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getSuggestedWordsGestureLocked(batchPointers, sequenceNumber,
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new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(final SuggestedWords suggestedWords) {
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mLatinIme.mHandler.showGesturePreviewAndSuggestionStrip(
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@ -1858,12 +1862,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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// Run in the UI thread.
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public void onUpdateBatchInput(final InputPointers batchPointers) {
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public void onUpdateBatchInput(final InputPointers batchPointers,
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final int sequenceNumber) {
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if (mHandler.hasMessages(MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP)) {
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return;
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}
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mHandler.obtainMessage(MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP, batchPointers)
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.sendToTarget();
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mHandler.obtainMessage(MSG_UPDATE_GESTURE_PREVIEW_AND_SUGGESTION_STRIP, 0 /* arg1 */,
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sequenceNumber /* arg2 */, batchPointers /* obj */).sendToTarget();
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}
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public void onCancelBatchInput() {
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@ -1877,7 +1882,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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// Run in the UI thread.
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public void onEndBatchInput(final InputPointers batchPointers) {
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synchronized(mLock) {
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getSuggestedWordsGestureLocked(batchPointers, new OnGetSuggestedWordsCallback() {
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getSuggestedWordsGestureLocked(batchPointers, SuggestedWords.NOT_A_SEQUENCE_NUMBER,
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new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(final SuggestedWords suggestedWords) {
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mInBatchInput = false;
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@ -1892,10 +1898,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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// {@link LatinIME#getSuggestedWords(int)} method calls with same session id have to
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// be synchronized.
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private void getSuggestedWordsGestureLocked(final InputPointers batchPointers,
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final OnGetSuggestedWordsCallback callback) {
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final int sequenceNumber, final OnGetSuggestedWordsCallback callback) {
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mLatinIme.mWordComposer.setBatchInputPointers(batchPointers);
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mLatinIme.getSuggestedWordsOrOlderSuggestionsAsync(Suggest.SESSION_GESTURE,
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new OnGetSuggestedWordsCallback() {
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sequenceNumber, new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(SuggestedWords suggestedWords) {
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final int suggestionCount = suggestedWords.size();
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@ -1910,9 +1916,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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});
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}
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public void getSuggestedWords(final int sessionId,
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public void getSuggestedWords(final int sessionId, final int sequenceNumber,
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final OnGetSuggestedWordsCallback callback) {
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mHandler.obtainMessage(MSG_GET_SUGGESTED_WORDS, sessionId, 0, callback).sendToTarget();
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mHandler.obtainMessage(MSG_GET_SUGGESTED_WORDS, sessionId, sequenceNumber, callback)
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.sendToTarget();
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}
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private void onDestroy() {
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@ -1933,11 +1940,28 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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}
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/* The sequence number member is only used in onUpdateBatchInput. It is increased each time
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* auto-commit happens. The reason we need this is, when auto-commit happens we trim the
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* input pointers that are held in a singleton, and to know how much to trim we rely on the
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* results of the suggestion process that is held in mSuggestedWords.
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* However, the suggestion process is asynchronous, and sometimes we may enter the
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* onUpdateBatchInput method twice without having recomputed suggestions yet, or having
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* received new suggestions generated from not-yet-trimmed input pointers. In this case, the
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* mIndexOfTouchPointOfSecondWords member will be out of date, and we must not use it lest we
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* remove an unrelated number of pointers (possibly even more than are left in the input
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* pointers, leading to a crash).
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* To avoid that, we increase the sequence number each time we auto-commit and trim the
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* input pointers, and we do not use any suggested words that have been generated with an
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* earlier sequence number.
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*/
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private int mAutoCommitSequenceNumber = 1;
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@Override
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public void onUpdateBatchInput(final InputPointers batchPointers) {
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if (mSettings.getCurrent().mPhraseGestureEnabled) {
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final SuggestedWordInfo candidate = mSuggestedWords.getAutoCommitCandidate();
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if (null != candidate) {
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// If these suggested words have been generated with out of date input pointers, then
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// we skip auto-commit (see comments above on the mSequenceNumber member).
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if (null != candidate && mSuggestedWords.mSequenceNumber >= mAutoCommitSequenceNumber) {
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if (candidate.mSourceDict.shouldAutoCommit(candidate)) {
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final String[] commitParts = candidate.mWord.split(" ", 2);
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batchPointers.shift(candidate.mIndexOfTouchPointOfSecondWord);
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@ -1946,10 +1970,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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mSpaceState = SPACE_STATE_PHANTOM;
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mKeyboardSwitcher.updateShiftState();
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mWordComposer.setCapitalizedModeAtStartComposingTime(getActualCapsMode());
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++mAutoCommitSequenceNumber;
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}
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}
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}
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mInputUpdater.onUpdateBatchInput(batchPointers);
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mInputUpdater.onUpdateBatchInput(batchPointers, mAutoCommitSequenceNumber);
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}
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// This method must run in UI Thread.
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@ -2477,7 +2502,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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final AsyncResultHolder<SuggestedWords> holder = new AsyncResultHolder<SuggestedWords>();
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getSuggestedWordsOrOlderSuggestionsAsync(Suggest.SESSION_TYPING,
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new OnGetSuggestedWordsCallback() {
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SuggestedWords.NOT_A_SEQUENCE_NUMBER, new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(final SuggestedWords suggestedWords) {
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holder.set(suggestedWords);
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@ -2492,7 +2517,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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}
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private void getSuggestedWords(final int sessionId,
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private void getSuggestedWords(final int sessionId, final int sequenceNumber,
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final OnGetSuggestedWordsCallback callback) {
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final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
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final Suggest suggest = mSuggest;
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@ -2517,18 +2542,19 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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suggest.getSuggestedWords(mWordComposer, prevWord, keyboard.getProximityInfo(),
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currentSettings.mBlockPotentiallyOffensive, currentSettings.mCorrectionEnabled,
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additionalFeaturesOptions, sessionId, callback);
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additionalFeaturesOptions, sessionId, sequenceNumber, callback);
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}
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private void getSuggestedWordsOrOlderSuggestionsAsync(final int sessionId,
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final OnGetSuggestedWordsCallback callback) {
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mInputUpdater.getSuggestedWords(sessionId, new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(SuggestedWords suggestedWords) {
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callback.onGetSuggestedWords(maybeRetrieveOlderSuggestions(
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mWordComposer.getTypedWord(), suggestedWords));
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}
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});
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final int sequenceNumber, final OnGetSuggestedWordsCallback callback) {
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mInputUpdater.getSuggestedWords(sessionId, sequenceNumber,
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new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(SuggestedWords suggestedWords) {
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callback.onGetSuggestedWords(maybeRetrieveOlderSuggestions(
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mWordComposer.getTypedWord(), suggestedWords));
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}
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});
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}
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private SuggestedWords maybeRetrieveOlderSuggestions(final String typedWord,
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@ -2861,30 +2887,30 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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// We come here if there weren't any suggestion spans on this word. We will try to
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// compute suggestions for it instead.
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mInputUpdater.getSuggestedWords(Suggest.SESSION_TYPING,
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new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(
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final SuggestedWords suggestedWordsIncludingTypedWord) {
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final SuggestedWords suggestedWords;
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if (suggestedWordsIncludingTypedWord.size() > 1) {
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// We were able to compute new suggestions for this word.
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// Remove the typed word, since we don't want to display it in this case.
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// The #getSuggestedWordsExcludingTypedWord() method sets willAutoCorrect to
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// false.
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suggestedWords = suggestedWordsIncludingTypedWord
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.getSuggestedWordsExcludingTypedWord();
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} else {
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// No saved suggestions, and we were unable to compute any good one either.
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// Rather than displaying an empty suggestion strip, we'll display the
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// original word alone in the middle.
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// Since there is only one word, willAutoCorrect is false.
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suggestedWords = suggestedWordsIncludingTypedWord;
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}
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// We need to pass typedWord because mWordComposer.mTypedWord may differ from
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// typedWord.
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unsetIsAutoCorrectionIndicatorOnAndCallShowSuggestionStrip(suggestedWords,
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typedWord);
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}});
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SuggestedWords.NOT_A_SEQUENCE_NUMBER, new OnGetSuggestedWordsCallback() {
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@Override
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public void onGetSuggestedWords(
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final SuggestedWords suggestedWordsIncludingTypedWord) {
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final SuggestedWords suggestedWords;
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if (suggestedWordsIncludingTypedWord.size() > 1) {
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// We were able to compute new suggestions for this word.
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// Remove the typed word, since we don't want to display it in this
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// case. The #getSuggestedWordsExcludingTypedWord() method sets
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// willAutoCorrect to false.
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suggestedWords = suggestedWordsIncludingTypedWord
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.getSuggestedWordsExcludingTypedWord();
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} else {
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// No saved suggestions, and we were unable to compute any good one
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// either. Rather than displaying an empty suggestion strip, we'll
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// display the original word alone in the middle.
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// Since there is only one word, willAutoCorrect is false.
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suggestedWords = suggestedWordsIncludingTypedWord;
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}
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// We need to pass typedWord because mWordComposer.mTypedWord may
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// differ from typedWord.
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unsetIsAutoCorrectionIndicatorOnAndCallShowSuggestionStrip(
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suggestedWords, typedWord);
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}});
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} else {
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// We found suggestion spans in the word. We'll create the SuggestedWords out of
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// them, and make willAutoCorrect false.
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@ -217,15 +217,17 @@ public final class Suggest {
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public void getSuggestedWords(final WordComposer wordComposer,
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final String prevWordForBigram, final ProximityInfo proximityInfo,
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final boolean blockOffensiveWords, final boolean isCorrectionEnabled,
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final int[] additionalFeaturesOptions, final int sessionId,
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final int[] additionalFeaturesOptions, final int sessionId, final int sequenceNumber,
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final OnGetSuggestedWordsCallback callback) {
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LatinImeLogger.onStartSuggestion(prevWordForBigram);
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if (wordComposer.isBatchMode()) {
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getSuggestedWordsForBatchInput(wordComposer, prevWordForBigram, proximityInfo,
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blockOffensiveWords, additionalFeaturesOptions, sessionId, callback);
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blockOffensiveWords, additionalFeaturesOptions, sessionId, sequenceNumber,
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callback);
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} else {
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getSuggestedWordsForTypingInput(wordComposer, prevWordForBigram, proximityInfo,
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blockOffensiveWords, isCorrectionEnabled, additionalFeaturesOptions, callback);
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blockOffensiveWords, isCorrectionEnabled, additionalFeaturesOptions,
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sequenceNumber, callback);
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}
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}
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@ -234,7 +236,8 @@ public final class Suggest {
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private void getSuggestedWordsForTypingInput(final WordComposer wordComposer,
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final String prevWordForBigram, final ProximityInfo proximityInfo,
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final boolean blockOffensiveWords, final boolean isCorrectionEnabled,
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final int[] additionalFeaturesOptions, final OnGetSuggestedWordsCallback callback) {
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final int[] additionalFeaturesOptions, final int sequenceNumber,
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final OnGetSuggestedWordsCallback callback) {
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final int trailingSingleQuotesCount = wordComposer.trailingSingleQuotesCount();
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final BoundedTreeSet suggestionsSet = new BoundedTreeSet(sSuggestedWordInfoComparator,
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MAX_SUGGESTIONS);
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@ -347,7 +350,7 @@ public final class Suggest {
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hasAutoCorrection, /* willAutoCorrect */
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false /* isPunctuationSuggestions */,
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false /* isObsoleteSuggestions */,
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!wordComposer.isComposingWord() /* isPrediction */));
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!wordComposer.isComposingWord() /* isPrediction */, sequenceNumber));
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}
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// Retrieves suggestions for the batch input
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@ -355,7 +358,8 @@ public final class Suggest {
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private void getSuggestedWordsForBatchInput(final WordComposer wordComposer,
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final String prevWordForBigram, final ProximityInfo proximityInfo,
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final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
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final int sessionId, final OnGetSuggestedWordsCallback callback) {
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final int sessionId, final int sequenceNumber,
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final OnGetSuggestedWordsCallback callback) {
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final BoundedTreeSet suggestionsSet = new BoundedTreeSet(sSuggestedWordInfoComparator,
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MAX_SUGGESTIONS);
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@ -408,7 +412,7 @@ public final class Suggest {
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false /* willAutoCorrect */,
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false /* isPunctuationSuggestions */,
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false /* isObsoleteSuggestions */,
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false /* isPrediction */));
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false /* isPrediction */, sequenceNumber));
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}
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private static ArrayList<SuggestedWordInfo> getSuggestionsInfoListWithDebugInfo(
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@ -29,6 +29,7 @@ import java.util.HashSet;
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public final class SuggestedWords {
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public static final int INDEX_OF_TYPED_WORD = 0;
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public static final int INDEX_OF_AUTO_CORRECTION = 1;
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public static final int NOT_A_SEQUENCE_NUMBER = -1;
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private static final ArrayList<SuggestedWordInfo> EMPTY_WORD_INFO_LIST =
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CollectionUtils.newArrayList(0);
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@ -43,6 +44,7 @@ public final class SuggestedWords {
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public final boolean mIsPunctuationSuggestions;
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public final boolean mIsObsoleteSuggestions;
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public final boolean mIsPrediction;
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public final int mSequenceNumber; // Sequence number for auto-commit.
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private final ArrayList<SuggestedWordInfo> mSuggestedWordInfoList;
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public SuggestedWords(final ArrayList<SuggestedWordInfo> suggestedWordInfoList,
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@ -51,12 +53,24 @@ public final class SuggestedWords {
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final boolean isPunctuationSuggestions,
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final boolean isObsoleteSuggestions,
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final boolean isPrediction) {
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this(suggestedWordInfoList, typedWordValid, willAutoCorrect, isPunctuationSuggestions,
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isObsoleteSuggestions, isPrediction, NOT_A_SEQUENCE_NUMBER);
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}
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public SuggestedWords(final ArrayList<SuggestedWordInfo> suggestedWordInfoList,
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final boolean typedWordValid,
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final boolean willAutoCorrect,
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final boolean isPunctuationSuggestions,
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final boolean isObsoleteSuggestions,
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final boolean isPrediction,
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final int sequenceNumber) {
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mSuggestedWordInfoList = suggestedWordInfoList;
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mTypedWordValid = typedWordValid;
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mWillAutoCorrect = willAutoCorrect;
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mIsPunctuationSuggestions = isPunctuationSuggestions;
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mIsObsoleteSuggestions = isObsoleteSuggestions;
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mIsPrediction = isPrediction;
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mSequenceNumber = sequenceNumber;
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}
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public boolean isEmpty() {
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