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LatinIME.java 98.86 KiB
/*
* Copyright (C) 2008 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.voice.FieldContext;
import com.android.inputmethod.voice.SettingsUtil;
import com.android.inputmethod.voice.VoiceInput;
import org.xmlpull.v1.XmlPullParserException;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.inputmethodservice.InputMethodService;
import android.inputmethodservice.Keyboard;
import android.media.AudioManager;
import android.os.Debug;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.preference.PreferenceManager;
import android.speech.SpeechRecognizer;
import android.text.ClipboardManager;
import android.text.TextUtils;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.PrintWriterPrinter;
import android.util.Printer;
import android.view.HapticFeedbackConstants;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.Window;
import android.view.WindowManager;
import android.view.inputmethod.CompletionInfo;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.ExtractedText;
import android.view.inputmethod.ExtractedTextRequest;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
import android.widget.LinearLayout;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
/**
* Input method implementation for Qwerty'ish keyboard.
*/
public class LatinIME extends InputMethodService
implements LatinKeyboardBaseView.OnKeyboardActionListener,
VoiceInput.UiListener,
SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "LatinIME";
private static final boolean PERF_DEBUG = false;
static final boolean DEBUG = false;
static final boolean TRACE = false;
static final boolean VOICE_INSTALLED = true;
static final boolean ENABLE_VOICE_BUTTON = true;
private static final String PREF_VIBRATE_ON = "vibrate_on";
private static final String PREF_SOUND_ON = "sound_on";
private static final String PREF_POPUP_ON = "popup_on";
private static final String PREF_AUTO_CAP = "auto_cap";
private static final String PREF_QUICK_FIXES = "quick_fixes";
private static final String PREF_SHOW_SUGGESTIONS = "show_suggestions";
private static final String PREF_AUTO_COMPLETE = "auto_complete";
//private static final String PREF_BIGRAM_SUGGESTIONS = "bigram_suggestion";
private static final String PREF_VOICE_MODE = "voice_mode";
// Whether or not the user has used voice input before (and thus, whether to show the
// first-run warning dialog or not).
private static final String PREF_HAS_USED_VOICE_INPUT = "has_used_voice_input";
// Whether or not the user has used voice input from an unsupported locale UI before.
// For example, the user has a Chinese UI but activates voice input.
private static final String PREF_HAS_USED_VOICE_INPUT_UNSUPPORTED_LOCALE =
"has_used_voice_input_unsupported_locale";
// A list of locales which are supported by default for voice input, unless we get a
// different list from Gservices.
public static final String DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES =
"en " +
"en_US " +
"en_GB " +
"en_AU " +
"en_CA " +
"en_IE " +
"en_IN " +
"en_NZ " +
"en_SG " +
"en_ZA ";
// The private IME option used to indicate that no microphone should be shown for a
// given text field. For instance this is specified by the search dialog when the
// dialog is already showing a voice search button.
private static final String IME_OPTION_NO_MICROPHONE = "nm";
public static final String PREF_SELECTED_LANGUAGES = "selected_languages";
public static final String PREF_INPUT_LANGUAGE = "input_language";
private static final String PREF_RECORRECTION_ENABLED = "recorrection_enabled";
private static final int MSG_UPDATE_SUGGESTIONS = 0;
private static final int MSG_START_TUTORIAL = 1;
private static final int MSG_UPDATE_SHIFT_STATE = 2;
private static final int MSG_VOICE_RESULTS = 3;
private static final int MSG_START_LISTENING_AFTER_SWIPE = 4;
private static final int MSG_UPDATE_OLD_SUGGESTIONS = 5;
// If we detect a swipe gesture within N ms of typing, then swipe is
// ignored, since it may in fact be two key presses in quick succession. private static final long MIN_MILLIS_AFTER_TYPING_BEFORE_SWIPE = 1000;
// How many continuous deletes at which to start deleting at a higher speed.
private static final int DELETE_ACCELERATE_AT = 20;
// Key events coming any faster than this are long-presses.
private static final int QUICK_PRESS = 200;
static final int KEYCODE_ENTER = '\n';
static final int KEYCODE_SPACE = ' ';
static final int KEYCODE_PERIOD = '.';
// Contextual menu positions
private static final int POS_SETTINGS = 0;
private static final int POS_METHOD = 1;
//private LatinKeyboardView mInputView;
private LinearLayout mCandidateViewContainer;
private CandidateView mCandidateView;
private Suggest mSuggest;
private CompletionInfo[] mCompletions;
private AlertDialog mOptionsDialog;
private AlertDialog mVoiceWarningDialog;
KeyboardSwitcher mKeyboardSwitcher;
private UserDictionary mUserDictionary;
private UserBigramDictionary mUserBigramDictionary;
private ContactsDictionary mContactsDictionary;
private AutoDictionary mAutoDictionary;
private Hints mHints;
Resources mResources;
private String mInputLocale;
private String mSystemLocale;
private LanguageSwitcher mLanguageSwitcher;
private StringBuilder mComposing = new StringBuilder();
private WordComposer mWord = new WordComposer();
private int mCommittedLength;
private boolean mPredicting;
private boolean mRecognizing;
private boolean mAfterVoiceInput;
private boolean mImmediatelyAfterVoiceInput;
private boolean mShowingVoiceSuggestions;
private boolean mVoiceInputHighlighted;
private boolean mEnableVoiceButton;
private CharSequence mBestWord;
private boolean mPredictionOn;
private boolean mCompletionOn;
private boolean mHasDictionary;
private boolean mAutoSpace;
private boolean mJustAddedAutoSpace;
private boolean mAutoCorrectEnabled;
private boolean mReCorrectionEnabled;
// Bigram Suggestion is disabled in this version.
private final boolean mBigramSuggestionEnabled = false;
private boolean mAutoCorrectOn;
// TODO move this state variable outside LatinIME
private boolean mCapsLock;
private boolean mPasswordText;
private boolean mVibrateOn;
private boolean mSoundOn;
private boolean mPopupOn;
private boolean mAutoCap;
private boolean mQuickFixes;
private boolean mHasUsedVoiceInput;
private boolean mHasUsedVoiceInputUnsupportedLocale; private boolean mLocaleSupportedForVoiceInput;
private boolean mShowSuggestions;
private boolean mIsShowingHint;
private int mCorrectionMode;
private boolean mEnableVoice = true;
private boolean mVoiceOnPrimary;
private int mOrientation;
private List<CharSequence> mSuggestPuncList;
// Keep track of the last selection range to decide if we need to show word alternatives
private int mLastSelectionStart;
private int mLastSelectionEnd;
// Input type is such that we should not auto-correct
private boolean mInputTypeNoAutoCorrect;
// Indicates whether the suggestion strip is to be on in landscape
private boolean mJustAccepted;
private CharSequence mJustRevertedSeparator;
private int mDeleteCount;
private long mLastKeyTime;
// Shift modifier key state
private ModifierKeyState mShiftKeyState = new ModifierKeyState();
private Tutorial mTutorial;
private AudioManager mAudioManager;
// Align sound effect volume on music volume
private final float FX_VOLUME = -1.0f;
private boolean mSilentMode;
/* package */ String mWordSeparators;
private String mSentenceSeparators;
private String mSuggestPuncs;
private VoiceInput mVoiceInput;
private VoiceResults mVoiceResults = new VoiceResults();
private long mSwipeTriggerTimeMillis;
private boolean mConfigurationChanging;
// Keeps track of most recently inserted text (multi-character key) for reverting
private CharSequence mEnteredText;
private boolean mRefreshKeyboardRequired;
// For each word, a list of potential replacements, usually from voice.
private Map<String, List<CharSequence>> mWordToSuggestions =
new HashMap<String, List<CharSequence>>();
private ArrayList<WordAlternatives> mWordHistory = new ArrayList<WordAlternatives>();
private class VoiceResults {
List<String> candidates;
Map<String, List<CharSequence>> alternatives;
}
public abstract static class WordAlternatives {
protected CharSequence mChosenWord;
public WordAlternatives() {
// Nothing
}
public WordAlternatives(CharSequence chosenWord) {
mChosenWord = chosenWord;
}
@Override
public int hashCode() {
return mChosenWord.hashCode();
}
public abstract CharSequence getOriginalWord();
public CharSequence getChosenWord() {
return mChosenWord;
}
public abstract List<CharSequence> getAlternatives();
}
public class TypedWordAlternatives extends WordAlternatives {
private WordComposer word;
public TypedWordAlternatives() {
// Nothing
}
public TypedWordAlternatives(CharSequence chosenWord, WordComposer wordComposer) {
super(chosenWord);
word = wordComposer;
}
@Override
public CharSequence getOriginalWord() {
return word.getTypedWord();
}
@Override
public List<CharSequence> getAlternatives() {
return getTypedSuggestions(word);
}
}
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_SUGGESTIONS:
updateSuggestions();
break;
case MSG_UPDATE_OLD_SUGGESTIONS:
setOldSuggestions();
break;
case MSG_START_TUTORIAL:
if (mTutorial == null) {
if (mKeyboardSwitcher.getInputView().isShown()) {
mTutorial = new Tutorial(
LatinIME.this, mKeyboardSwitcher.getInputView());
mTutorial.start();
} else {
// Try again soon if the view is not yet showing
sendMessageDelayed(obtainMessage(MSG_START_TUTORIAL), 100);
}
}
break;
case MSG_UPDATE_SHIFT_STATE:
updateShiftKeyState(getCurrentInputEditorInfo());
break;
case MSG_VOICE_RESULTS:
handleVoiceResults();
break;
case MSG_START_LISTENING_AFTER_SWIPE:
if (mLastKeyTime < mSwipeTriggerTimeMillis) {
startListening(true);
}
}
}
};
@Override public void onCreate() {
LatinImeLogger.init(this); super.onCreate();
//setStatusIcon(R.drawable.ime_qwerty);
mResources = getResources();
final Configuration conf = mResources.getConfiguration();
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
mLanguageSwitcher = new LanguageSwitcher(this);
mLanguageSwitcher.loadLocales(prefs);
mKeyboardSwitcher = new KeyboardSwitcher(this, this);
mKeyboardSwitcher.setLanguageSwitcher(mLanguageSwitcher);
mSystemLocale = conf.locale.toString();
mLanguageSwitcher.setSystemLocale(conf.locale);
String inputLanguage = mLanguageSwitcher.getInputLanguage();
if (inputLanguage == null) {
inputLanguage = conf.locale.toString();
}
mReCorrectionEnabled = prefs.getBoolean(PREF_RECORRECTION_ENABLED,
getResources().getBoolean(R.bool.default_recorrection_enabled));
LatinIMEUtil.GCUtils.getInstance().reset();
boolean tryGC = true;
for (int i = 0; i < LatinIMEUtil.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) {
try {
initSuggest(inputLanguage);
tryGC = false;
} catch (OutOfMemoryError e) {
tryGC = LatinIMEUtil.GCUtils.getInstance().tryGCOrWait(inputLanguage, e);
}
}
mOrientation = conf.orientation;
initSuggestPuncList();
// register to receive ringer mode changes for silent mode
IntentFilter filter = new IntentFilter(AudioManager.RINGER_MODE_CHANGED_ACTION);
registerReceiver(mReceiver, filter);
if (VOICE_INSTALLED) {
mVoiceInput = new VoiceInput(this, this);
mHints = new Hints(this, new Hints.Display() {
public void showHint(int viewResource) {
LayoutInflater inflater = (LayoutInflater) getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(viewResource, null);
setCandidatesView(view);
setCandidatesViewShown(true);
mIsShowingHint = true;
}
});
}
prefs.registerOnSharedPreferenceChangeListener(this);
}
/**
* Loads a dictionary or multiple separated dictionary
* @return returns array of dictionary resource ids
*/
static int[] getDictionary(Resources res) {
String packageName = LatinIME.class.getPackage().getName();
XmlResourceParser xrp = res.getXml(R.xml.dictionary);
ArrayList<Integer> dictionaries = new ArrayList<Integer>();
try {
int current = xrp.getEventType();
while (current != XmlResourceParser.END_DOCUMENT) {
if (current == XmlResourceParser.START_TAG) {
String tag = xrp.getName();
if (tag != null) {
if (tag.equals("part")) {
String dictFileName = xrp.getAttributeValue(null, "name");
dictionaries.add(res.getIdentifier(dictFileName, "raw", packageName));
} }
}
xrp.next();
current = xrp.getEventType();
}
} catch (XmlPullParserException e) {
Log.e(TAG, "Dictionary XML parsing failure");
} catch (IOException e) {
Log.e(TAG, "Dictionary XML IOException");
}
int count = dictionaries.size();
int[] dict = new int[count];
for (int i = 0; i < count; i++) {
dict[i] = dictionaries.get(i);
}
return dict;
}
private void initSuggest(String locale) {
mInputLocale = locale;
Resources orig = getResources();
Configuration conf = orig.getConfiguration();
Locale saveLocale = conf.locale;
conf.locale = new Locale(locale);
orig.updateConfiguration(conf, orig.getDisplayMetrics());
if (mSuggest != null) {
mSuggest.close();
}
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
mQuickFixes = sp.getBoolean(PREF_QUICK_FIXES, true);
int[] dictionaries = getDictionary(orig);
mSuggest = new Suggest(this, dictionaries);
updateAutoTextEnabled(saveLocale);
if (mUserDictionary != null) mUserDictionary.close();
mUserDictionary = new UserDictionary(this, mInputLocale);
if (mContactsDictionary == null) {
mContactsDictionary = new ContactsDictionary(this, Suggest.DIC_CONTACTS);
}
if (mAutoDictionary != null) {
mAutoDictionary.close();
}
mAutoDictionary = new AutoDictionary(this, this, mInputLocale, Suggest.DIC_AUTO);
if (mUserBigramDictionary != null) {
mUserBigramDictionary.close();
}
mUserBigramDictionary = new UserBigramDictionary(this, this, mInputLocale,
Suggest.DIC_USER);
mSuggest.setUserBigramDictionary(mUserBigramDictionary);
mSuggest.setUserDictionary(mUserDictionary);
mSuggest.setContactsDictionary(mContactsDictionary);
mSuggest.setAutoDictionary(mAutoDictionary);
updateCorrectionMode();
mWordSeparators = mResources.getString(R.string.word_separators);
mSentenceSeparators = mResources.getString(R.string.sentence_separators);
conf.locale = saveLocale;
orig.updateConfiguration(conf, orig.getDisplayMetrics());
}
@Override
public void onDestroy() {
if (mUserDictionary != null) {
mUserDictionary.close();
}
if (mContactsDictionary != null) {
mContactsDictionary.close(); }
unregisterReceiver(mReceiver);
if (VOICE_INSTALLED && mVoiceInput != null) {
mVoiceInput.destroy();
}
LatinImeLogger.commit();
LatinImeLogger.onDestroy();
super.onDestroy();
}
@Override
public void onConfigurationChanged(Configuration conf) {
// If the system locale changes and is different from the saved
// locale (mSystemLocale), then reload the input locale list from the
// latin ime settings (shared prefs) and reset the input locale
// to the first one.
final String systemLocale = conf.locale.toString();
if (!TextUtils.equals(systemLocale, mSystemLocale)) {
mSystemLocale = systemLocale;
if (mLanguageSwitcher != null) {
mLanguageSwitcher.loadLocales(
PreferenceManager.getDefaultSharedPreferences(this));
mLanguageSwitcher.setSystemLocale(conf.locale);
toggleLanguage(true, true);
} else {
reloadKeyboards();
}
}
// If orientation changed while predicting, commit the change
if (conf.orientation != mOrientation) {
InputConnection ic = getCurrentInputConnection();
commitTyped(ic);
if (ic != null) ic.finishComposingText(); // For voice input
mOrientation = conf.orientation;
reloadKeyboards();
}
mConfigurationChanging = true;
super.onConfigurationChanged(conf);
if (mRecognizing) {
switchToRecognitionStatusView();
}
mConfigurationChanging = false;
}
@Override
public View onCreateInputView() {
mKeyboardSwitcher.recreateInputView();
mKeyboardSwitcher.makeKeyboards(true);
mKeyboardSwitcher.setKeyboardMode(
KeyboardSwitcher.MODE_TEXT, 0,
shouldShowVoiceButton(makeFieldContext(), getCurrentInputEditorInfo()));
return mKeyboardSwitcher.getInputView();
}
@Override
public View onCreateCandidatesView() {
mKeyboardSwitcher.makeKeyboards(true);
mCandidateViewContainer = (LinearLayout) getLayoutInflater().inflate(
R.layout.candidates, null);
mCandidateView = (CandidateView) mCandidateViewContainer.findViewById(R.id.candidates);
mCandidateView.setService(this);
setCandidatesViewShown(true);
return mCandidateViewContainer;
}
@Override
public void onStartInputView(EditorInfo attribute, boolean restarting) {
LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
// In landscape mode, this method gets called without the input view being created.
if (inputView == null) { return;
}
if (mRefreshKeyboardRequired) {
mRefreshKeyboardRequired = false;
toggleLanguage(true, true);
}
mKeyboardSwitcher.makeKeyboards(false);
TextEntryState.newSession(this);
// Most such things we decide below in the switch statement, but we need to know
// now whether this is a password text field, because we need to know now (before
// the switch statement) whether we want to enable the voice button.
mPasswordText = false;
int variation = attribute.inputType & EditorInfo.TYPE_MASK_VARIATION;
if (variation == EditorInfo.TYPE_TEXT_VARIATION_PASSWORD ||
variation == EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
mPasswordText = true;
}
mEnableVoiceButton = shouldShowVoiceButton(makeFieldContext(), attribute);
final boolean enableVoiceButton = mEnableVoiceButton && mEnableVoice;
mAfterVoiceInput = false;
mImmediatelyAfterVoiceInput = false;
mShowingVoiceSuggestions = false;
mVoiceInputHighlighted = false;
mInputTypeNoAutoCorrect = false;
mPredictionOn = false;
mCompletionOn = false;
mCompletions = null;
mCapsLock = false;
mEnteredText = null;
switch (attribute.inputType & EditorInfo.TYPE_MASK_CLASS) {
case EditorInfo.TYPE_CLASS_NUMBER:
case EditorInfo.TYPE_CLASS_DATETIME:
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_SYMBOLS,
attribute.imeOptions, enableVoiceButton);
break;
case EditorInfo.TYPE_CLASS_PHONE:
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_PHONE,
attribute.imeOptions, enableVoiceButton);
break;
case EditorInfo.TYPE_CLASS_TEXT:
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_TEXT,
attribute.imeOptions, enableVoiceButton);
//startPrediction();
mPredictionOn = true;
// Make sure that passwords are not displayed in candidate view
if (variation == EditorInfo.TYPE_TEXT_VARIATION_PASSWORD ||
variation == EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD ) {
mPredictionOn = false;
}
if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
|| variation == EditorInfo.TYPE_TEXT_VARIATION_PERSON_NAME) {
mAutoSpace = false;
} else {
mAutoSpace = true;
}
if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS) {
mPredictionOn = false;
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_EMAIL,
attribute.imeOptions, enableVoiceButton);
} else if (variation == EditorInfo.TYPE_TEXT_VARIATION_URI) {
mPredictionOn = false;
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_URL,
attribute.imeOptions, enableVoiceButton); } else if (variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE) {
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_IM,
attribute.imeOptions, enableVoiceButton);
} else if (variation == EditorInfo.TYPE_TEXT_VARIATION_FILTER) {
mPredictionOn = false;
} else if (variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) {
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_WEB,
attribute.imeOptions, enableVoiceButton);
// If it's a browser edit field and auto correct is not ON explicitly, then
// disable auto correction, but keep suggestions on.
if ((attribute.inputType & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0) {
mInputTypeNoAutoCorrect = true;
}
}
// If NO_SUGGESTIONS is set, don't do prediction.
if ((attribute.inputType & EditorInfo.TYPE_TEXT_FLAG_NO_SUGGESTIONS) != 0) {
mPredictionOn = false;
mInputTypeNoAutoCorrect = true;
}
// If it's not multiline and the autoCorrect flag is not set, then don't correct
if ((attribute.inputType & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0 &&
(attribute.inputType & EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) == 0) {
mInputTypeNoAutoCorrect = true;
}
if ((attribute.inputType & EditorInfo.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
mPredictionOn = false;
mCompletionOn = isFullscreenMode();
}
break;
default:
mKeyboardSwitcher.setKeyboardMode(KeyboardSwitcher.MODE_TEXT,
attribute.imeOptions, enableVoiceButton);
}
inputView.closing();
mComposing.setLength(0);
mPredicting = false;
mDeleteCount = 0;
mJustAddedAutoSpace = false;
loadSettings();
updateShiftKeyState(attribute);
setCandidatesViewShownInternal(isCandidateStripVisible() || mCompletionOn,
false /* needsInputViewShown */ );
updateSuggestions();
// If the dictionary is not big enough, don't auto correct
mHasDictionary = mSuggest.hasMainDictionary();
updateCorrectionMode();
inputView.setPreviewEnabled(mPopupOn);
inputView.setProximityCorrectionEnabled(true);
mPredictionOn = mPredictionOn && (mCorrectionMode > 0 || mShowSuggestions);
checkTutorial(attribute.privateImeOptions);
if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
}
@Override
public void onFinishInput() {
super.onFinishInput();
LatinImeLogger.commit();
onAutoCompletionStateChanged(false);
if (VOICE_INSTALLED && !mConfigurationChanging) {
if (mAfterVoiceInput) {
mVoiceInput.flushAllTextModificationCounters();
mVoiceInput.logInputEnded();
} mVoiceInput.flushLogs();
mVoiceInput.cancel();
}
if (mKeyboardSwitcher.getInputView() != null) {
mKeyboardSwitcher.getInputView().closing();
}
if (mAutoDictionary != null) mAutoDictionary.flushPendingWrites();
if (mUserBigramDictionary != null) mUserBigramDictionary.flushPendingWrites();
}
@Override
public void onUpdateExtractedText(int token, ExtractedText text) {
super.onUpdateExtractedText(token, text);
InputConnection ic = getCurrentInputConnection();
if (!mImmediatelyAfterVoiceInput && mAfterVoiceInput && ic != null) {
if (mHints.showPunctuationHintIfNecessary(ic)) {
mVoiceInput.logPunctuationHintDisplayed();
}
}
mImmediatelyAfterVoiceInput = false;
}
@Override
public void onUpdateSelection(int oldSelStart, int oldSelEnd,
int newSelStart, int newSelEnd,
int candidatesStart, int candidatesEnd) {
super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd,
candidatesStart, candidatesEnd);
if (DEBUG) {
Log.i(TAG, "onUpdateSelection: oss=" + oldSelStart
+ ", ose=" + oldSelEnd
+ ", nss=" + newSelStart
+ ", nse=" + newSelEnd
+ ", cs=" + candidatesStart
+ ", ce=" + candidatesEnd);
}
if (mAfterVoiceInput) {
mVoiceInput.setCursorPos(newSelEnd);
mVoiceInput.setSelectionSpan(newSelEnd - newSelStart);
}
// If the current selection in the text view changes, we should
// clear whatever candidate text we have.
if ((((mComposing.length() > 0 && mPredicting) || mVoiceInputHighlighted)
&& (newSelStart != candidatesEnd
|| newSelEnd != candidatesEnd)
&& mLastSelectionStart != newSelStart)) {
mComposing.setLength(0);
mPredicting = false;
postUpdateSuggestions();
TextEntryState.reset();
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
ic.finishComposingText();
}
mVoiceInputHighlighted = false;
} else if (!mPredicting && !mJustAccepted) {
switch (TextEntryState.getState()) {
case ACCEPTED_DEFAULT:
TextEntryState.reset();
// fall through
case SPACE_AFTER_PICKED:
mJustAddedAutoSpace = false; // The user moved the cursor.
break;
}
}
mJustAccepted = false;
postUpdateShiftKeyState();
// Make a note of the cursor position
mLastSelectionStart = newSelStart;
mLastSelectionEnd = newSelEnd;
if (mReCorrectionEnabled) {
// Don't look for corrections if the keyboard is not visible
if (mKeyboardSwitcher != null && mKeyboardSwitcher.getInputView() != null
&& mKeyboardSwitcher.getInputView().isShown()) {
// Check if we should go in or out of correction mode.
if (isPredictionOn()
&& mJustRevertedSeparator == null
&& (candidatesStart == candidatesEnd || newSelStart != oldSelStart
|| TextEntryState.isCorrecting())
&& (newSelStart < newSelEnd - 1 || (!mPredicting))
&& !mVoiceInputHighlighted) {
if (isCursorTouchingWord() || mLastSelectionStart < mLastSelectionEnd) {
postUpdateOldSuggestions();
} else {
abortCorrection(false);
}
}
}
}
}
@Override
public void hideWindow() {
LatinImeLogger.commit();
onAutoCompletionStateChanged(false);
if (TRACE) Debug.stopMethodTracing();
if (mOptionsDialog != null && mOptionsDialog.isShowing()) {
mOptionsDialog.dismiss();
mOptionsDialog = null;
}
if (!mConfigurationChanging) {
if (mAfterVoiceInput) mVoiceInput.logInputEnded();
if (mVoiceWarningDialog != null && mVoiceWarningDialog.isShowing()) {
mVoiceInput.logKeyboardWarningDialogDismissed();
mVoiceWarningDialog.dismiss();
mVoiceWarningDialog = null;
}
if (VOICE_INSTALLED & mRecognizing) {
mVoiceInput.cancel();
}
}
mWordToSuggestions.clear();
mWordHistory.clear();
super.hideWindow();
TextEntryState.endSession();
}
@Override
public void onDisplayCompletions(CompletionInfo[] completions) {
if (DEBUG) {
Log.i("foo", "Received completions:");
for (int i=0; i<(completions != null ? completions.length : 0); i++) {
Log.i("foo", " #" + i + ": " + completions[i]);
}
}
if (mCompletionOn) {
mCompletions = completions;
if (completions == null) {
clearSuggestions();
return;
}
List<CharSequence> stringList = new ArrayList<CharSequence>();
for (int i=0; i<(completions != null ? completions.length : 0); i++) { CompletionInfo ci = completions[i];
if (ci != null) stringList.add(ci.getText());
}
// When in fullscreen mode, show completions generated by the application
setSuggestions(stringList, true, true, true);
mBestWord = null;
setCandidatesViewShown(true);
}
}
private void setCandidatesViewShownInternal(boolean shown, boolean needsInputViewShown) {
// TODO: Remove this if we support candidates with hard keyboard
if (onEvaluateInputViewShown()) {
super.setCandidatesViewShown(shown && mKeyboardSwitcher.getInputView() != null
&& (needsInputViewShown ? mKeyboardSwitcher.getInputView().isShown() : true));
}
}
@Override
public void setCandidatesViewShown(boolean shown) {
setCandidatesViewShownInternal(shown, true /* needsInputViewShown */ );
}
@Override
public void onComputeInsets(InputMethodService.Insets outInsets) {
super.onComputeInsets(outInsets);
if (!isFullscreenMode()) {
outInsets.contentTopInsets = outInsets.visibleTopInsets;
}
}
@Override
public boolean onEvaluateFullscreenMode() {
DisplayMetrics dm = getResources().getDisplayMetrics();
float displayHeight = dm.heightPixels;
// If the display is more than X inches high, don't go to fullscreen mode
float dimen = getResources().getDimension(R.dimen.max_height_for_fullscreen);
if (displayHeight > dimen) {
return false;
} else {
return super.onEvaluateFullscreenMode();
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
if (event.getRepeatCount() == 0 && mKeyboardSwitcher.getInputView() != null) {
if (mKeyboardSwitcher.getInputView().handleBack()) {
return true;
} else if (mTutorial != null) {
mTutorial.close();
mTutorial = null;
}
}
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
case KeyEvent.KEYCODE_DPAD_UP:
case KeyEvent.KEYCODE_DPAD_LEFT:
case KeyEvent.KEYCODE_DPAD_RIGHT:
// If tutorial is visible, don't allow dpad to work
if (mTutorial != null) {
return true;
}
break;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_DOWN:
case KeyEvent.KEYCODE_DPAD_UP:
case KeyEvent.KEYCODE_DPAD_LEFT:
case KeyEvent.KEYCODE_DPAD_RIGHT:
// If tutorial is visible, don't allow dpad to work
if (mTutorial != null) {
return true;
}
LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
// Enable shift key and DPAD to do selections
if (inputView != null && inputView.isShown()
&& inputView.isShifted()) {
event = new KeyEvent(event.getDownTime(), event.getEventTime(),
event.getAction(), event.getKeyCode(), event.getRepeatCount(),
event.getDeviceId(), event.getScanCode(),
KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON);
InputConnection ic = getCurrentInputConnection();
if (ic != null) ic.sendKeyEvent(event);
return true;
}
break;
}
return super.onKeyUp(keyCode, event);
}
private void revertVoiceInput() {
InputConnection ic = getCurrentInputConnection();
if (ic != null) ic.commitText("", 1);
updateSuggestions();
mVoiceInputHighlighted = false;
}
private void commitVoiceInput() {
InputConnection ic = getCurrentInputConnection();
if (ic != null) ic.finishComposingText();
updateSuggestions();
mVoiceInputHighlighted = false;
}
private void reloadKeyboards() {
if (mKeyboardSwitcher == null) {
mKeyboardSwitcher = new KeyboardSwitcher(this, this);
}
mKeyboardSwitcher.setLanguageSwitcher(mLanguageSwitcher);
if (mKeyboardSwitcher.getInputView() != null
&& mKeyboardSwitcher.getKeyboardMode() != KeyboardSwitcher.MODE_NONE) {
mKeyboardSwitcher.setVoiceMode(mEnableVoice && mEnableVoiceButton, mVoiceOnPrimary);
}
mKeyboardSwitcher.makeKeyboards(true);
}
private void commitTyped(InputConnection inputConnection) {
if (mPredicting) {
mPredicting = false;
if (mComposing.length() > 0) {
if (inputConnection != null) {
inputConnection.commitText(mComposing, 1);
}
mCommittedLength = mComposing.length();
TextEntryState.acceptedTyped(mComposing);
addToDictionaries(mComposing, AutoDictionary.FREQUENCY_FOR_TYPED);
}
updateSuggestions();
}
}
private void postUpdateShiftKeyState() { mHandler.removeMessages(MSG_UPDATE_SHIFT_STATE);
// TODO: Should remove this 300ms delay?
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_SHIFT_STATE), 300);
}
public void updateShiftKeyState(EditorInfo attr) {
InputConnection ic = getCurrentInputConnection();
if (ic != null && attr != null && mKeyboardSwitcher.isAlphabetMode()) {
mKeyboardSwitcher.setShifted(mShiftKeyState.isMomentary() || mCapsLock
|| getCursorCapsMode(ic, attr) != 0);
}
}
private int getCursorCapsMode(InputConnection ic, EditorInfo attr) {
int caps = 0;
EditorInfo ei = getCurrentInputEditorInfo();
if (mAutoCap && ei != null && ei.inputType != EditorInfo.TYPE_NULL) {
caps = ic.getCursorCapsMode(attr.inputType);
}
return caps;
}
private void swapPunctuationAndSpace() {
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
CharSequence lastTwo = ic.getTextBeforeCursor(2, 0);
if (lastTwo != null && lastTwo.length() == 2
&& lastTwo.charAt(0) == KEYCODE_SPACE && isSentenceSeparator(lastTwo.charAt(1))) {
ic.beginBatchEdit();
ic.deleteSurroundingText(2, 0);
ic.commitText(lastTwo.charAt(1) + " ", 1);
ic.endBatchEdit();
updateShiftKeyState(getCurrentInputEditorInfo());
mJustAddedAutoSpace = true;
}
}
private void reswapPeriodAndSpace() {
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
CharSequence lastThree = ic.getTextBeforeCursor(3, 0);
if (lastThree != null && lastThree.length() == 3
&& lastThree.charAt(0) == KEYCODE_PERIOD
&& lastThree.charAt(1) == KEYCODE_SPACE
&& lastThree.charAt(2) == KEYCODE_PERIOD) {
ic.beginBatchEdit();
ic.deleteSurroundingText(3, 0);
ic.commitText(" ..", 1);
ic.endBatchEdit();
updateShiftKeyState(getCurrentInputEditorInfo());
}
}
private void doubleSpace() {
//if (!mAutoPunctuate) return;
if (mCorrectionMode == Suggest.CORRECTION_NONE) return;
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
CharSequence lastThree = ic.getTextBeforeCursor(3, 0);
if (lastThree != null && lastThree.length() == 3
&& Character.isLetterOrDigit(lastThree.charAt(0))
&& lastThree.charAt(1) == KEYCODE_SPACE && lastThree.charAt(2) == KEYCODE_SPACE) {
ic.beginBatchEdit();
ic.deleteSurroundingText(2, 0);
ic.commitText(". ", 1);
ic.endBatchEdit();
updateShiftKeyState(getCurrentInputEditorInfo());
mJustAddedAutoSpace = true;
}
}
private void maybeRemovePreviousPeriod(CharSequence text) {
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
// When the text's first character is '.', remove the previous period
// if there is one.
CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
if (lastOne != null && lastOne.length() == 1
&& lastOne.charAt(0) == KEYCODE_PERIOD
&& text.charAt(0) == KEYCODE_PERIOD) {
ic.deleteSurroundingText(1, 0);
}
}
private void removeTrailingSpace() {
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
if (lastOne != null && lastOne.length() == 1
&& lastOne.charAt(0) == KEYCODE_SPACE) {
ic.deleteSurroundingText(1, 0);
}
}
public boolean addWordToDictionary(String word) {
mUserDictionary.addWord(word, 128);
// Suggestion strip should be updated after the operation of adding word to the
// user dictionary
postUpdateSuggestions();
return true;
}
private boolean isAlphabet(int code) {
if (Character.isLetter(code)) {
return true;
} else {
return false;
}
}
private boolean hasMultipleEnabledIMEs() {
return ((InputMethodManager) getSystemService(
INPUT_METHOD_SERVICE)).getEnabledInputMethodList().size() > 1;
}
private void showInputMethodPicker() {
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE))
.showInputMethodPicker();
}
private void onOptionKeyPressed() {
if (!isShowingOptionDialog()) {
if (hasMultipleEnabledIMEs()) {
showOptionsMenu();
} else {
launchSettings();
}
}
}
private void onOptionKeyLongPressed() {
if (!isShowingOptionDialog()) {
if (hasMultipleEnabledIMEs()) {
showInputMethodPicker();
} else {
launchSettings();
}
} }
private boolean isShowingOptionDialog() {
return mOptionsDialog != null && mOptionsDialog.isShowing();
}
// Implementation of KeyboardViewListener
public void onKey(int primaryCode, int[] keyCodes, int x, int y) {
long when = SystemClock.uptimeMillis();
if (primaryCode != Keyboard.KEYCODE_DELETE ||
when > mLastKeyTime + QUICK_PRESS) {
mDeleteCount = 0;
}
mLastKeyTime = when;
switch (primaryCode) {
case Keyboard.KEYCODE_DELETE:
handleBackspace();
mDeleteCount++;
LatinImeLogger.logOnDelete();
break;
case Keyboard.KEYCODE_SHIFT:
// Shift key is handled in onPress() when device has distinct multi-touch panel.
if (!mKeyboardSwitcher.hasDistinctMultitouch())
handleShift();
break;
case Keyboard.KEYCODE_CANCEL:
if (!isShowingOptionDialog()) {
handleClose();
}
break;
case LatinKeyboardView.KEYCODE_OPTIONS:
onOptionKeyPressed();
break;
case LatinKeyboardView.KEYCODE_OPTIONS_LONGPRESS:
onOptionKeyLongPressed();
break;
case LatinKeyboardView.KEYCODE_NEXT_LANGUAGE:
toggleLanguage(false, true);
break;
case LatinKeyboardView.KEYCODE_PREV_LANGUAGE:
toggleLanguage(false, false);
break;
case Keyboard.KEYCODE_MODE_CHANGE:
// TODO: Mode change (symbol key) should be handled in onPress().
changeKeyboardMode();
break;
case LatinKeyboardView.KEYCODE_VOICE:
if (VOICE_INSTALLED) {
startListening(false /* was a button press, was not a swipe */);
}
break;
case 9 /*Tab*/:
sendDownUpKeyEvents(KeyEvent.KEYCODE_TAB);
break;
default:
if (primaryCode != KEYCODE_ENTER) {
mJustAddedAutoSpace = false;
}
LatinImeLogger.logOnInputChar((char)primaryCode, x, y);
if (isWordSeparator(primaryCode)) {
handleSeparator(primaryCode);
} else {
handleCharacter(primaryCode, keyCodes);
}
// Cancel the just reverted state
mJustRevertedSeparator = null;
}
if (mKeyboardSwitcher.onKey(primaryCode)) {
changeKeyboardMode(); }
// Reset after any single keystroke
mEnteredText = null;
}
public void onText(CharSequence text) {
if (VOICE_INSTALLED && mVoiceInputHighlighted) {
commitVoiceInput();
}
InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
abortCorrection(false);
ic.beginBatchEdit();
if (mPredicting) {
commitTyped(ic);
}
maybeRemovePreviousPeriod(text);
ic.commitText(text, 1);
ic.endBatchEdit();
updateShiftKeyState(getCurrentInputEditorInfo());
mJustRevertedSeparator = null;
mJustAddedAutoSpace = false;
mEnteredText = text;
}
private void handleBackspace() {
if (VOICE_INSTALLED && mVoiceInputHighlighted) {
mVoiceInput.incrementTextModificationDeleteCount(
mVoiceResults.candidates.get(0).toString().length());
revertVoiceInput();
return;
}
boolean deleteChar = false;
InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
ic.beginBatchEdit();
if (mAfterVoiceInput) {
// Don't log delete if the user is pressing delete at
// the beginning of the text box (hence not deleting anything)
if (mVoiceInput.getCursorPos() > 0) {
// If anything was selected before the delete was pressed, increment the
// delete count by the length of the selection
int deleteLen = mVoiceInput.getSelectionSpan() > 0 ?
mVoiceInput.getSelectionSpan() : 1;
mVoiceInput.incrementTextModificationDeleteCount(deleteLen);
}
}
if (mPredicting) {
final int length = mComposing.length();
if (length > 0) {
mComposing.delete(length - 1, length);
mWord.deleteLast();
ic.setComposingText(mComposing, 1);
if (mComposing.length() == 0) {
mPredicting = false;
}
postUpdateSuggestions();
} else {
ic.deleteSurroundingText(1, 0);
}
} else {
deleteChar = true;
}
postUpdateShiftKeyState();
TextEntryState.backspace();
if (TextEntryState.getState() == TextEntryState.State.UNDO_COMMIT) {
revertLastWord(deleteChar); ic.endBatchEdit();
return;
} else if (mEnteredText != null && sameAsTextBeforeCursor(ic, mEnteredText)) {
ic.deleteSurroundingText(mEnteredText.length(), 0);
} else if (deleteChar) {
if (mCandidateView != null && mCandidateView.dismissAddToDictionaryHint()) {
// Go back to the suggestion mode if the user canceled the
// "Tap again to save".
// NOTE: In gerenal, we don't revert the word when backspacing
// from a manual suggestion pick. We deliberately chose a
// different behavior only in the case of picking the first
// suggestion (typed word). It's intentional to have made this
// inconsistent with backspacing after selecting other suggestions.
revertLastWord(deleteChar);
} else {
sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
if (mDeleteCount > DELETE_ACCELERATE_AT) {
sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
}
}
}
mJustRevertedSeparator = null;
ic.endBatchEdit();
}
private void resetShift() {
handleShiftInternal(true);
}
private void handleShift() {
handleShiftInternal(false);
}
private void handleShiftInternal(boolean forceNormal) {
mHandler.removeMessages(MSG_UPDATE_SHIFT_STATE);
KeyboardSwitcher switcher = mKeyboardSwitcher;
LatinKeyboardView inputView = switcher.getInputView();
if (switcher.isAlphabetMode()) {
if (mCapsLock || forceNormal) {
mCapsLock = false;
switcher.setShifted(false);
} else if (inputView != null) {
if (inputView.isShifted()) {
mCapsLock = true;
switcher.setShiftLocked(true);
} else {
switcher.setShifted(true);
}
}
} else {
switcher.toggleShift();
}
}
private void abortCorrection(boolean force) {
if (force || TextEntryState.isCorrecting()) {
getCurrentInputConnection().finishComposingText();
clearSuggestions();
}
}
private void handleCharacter(int primaryCode, int[] keyCodes) {
if (VOICE_INSTALLED && mVoiceInputHighlighted) {
commitVoiceInput();
}
if (mAfterVoiceInput) {
// Assume input length is 1. This assumption fails for smiley face insertions.
mVoiceInput.incrementTextModificationInsertCount(1);
} if (mLastSelectionStart == mLastSelectionEnd && TextEntryState.isCorrecting()) {
abortCorrection(false);
}
if (isAlphabet(primaryCode) && isPredictionOn() && !isCursorTouchingWord()) {
if (!mPredicting) {
mPredicting = true;
mComposing.setLength(0);
saveWordInHistory(mBestWord);
mWord.reset();
}
}
if (mKeyboardSwitcher.getInputView().isShifted()) {
// TODO: This doesn't work with [beta], need to fix it in the next release.
if (keyCodes == null || keyCodes[0] < Character.MIN_CODE_POINT
|| keyCodes[0] > Character.MAX_CODE_POINT) {
return;
}
primaryCode = keyCodes[0];
if (mKeyboardSwitcher.isAlphabetMode()) {
primaryCode = Character.toUpperCase(primaryCode);
}
}
if (mPredicting) {
if (mKeyboardSwitcher.getInputView().isShifted()
&& mKeyboardSwitcher.isAlphabetMode()
&& mComposing.length() == 0) {
mWord.setCapitalized(true);
}
mComposing.append((char) primaryCode);
mWord.add(primaryCode, keyCodes);
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
// If it's the first letter, make note of auto-caps state
if (mWord.size() == 1) {
mWord.setAutoCapitalized(
getCursorCapsMode(ic, getCurrentInputEditorInfo()) != 0);
}
ic.setComposingText(mComposing, 1);
}
postUpdateSuggestions();
} else {
sendKeyChar((char)primaryCode);
}
updateShiftKeyState(getCurrentInputEditorInfo());
if (LatinIME.PERF_DEBUG) measureCps();
TextEntryState.typedCharacter((char) primaryCode, isWordSeparator(primaryCode));
}
private void handleSeparator(int primaryCode) {
if (VOICE_INSTALLED && mVoiceInputHighlighted) {
commitVoiceInput();
}
if (mAfterVoiceInput){
// Assume input length is 1. This assumption fails for smiley face insertions.
mVoiceInput.incrementTextModificationInsertPunctuationCount(1);
}
// Should dismiss the "Tap again to save" message when handling separator
if (mCandidateView != null && mCandidateView.dismissAddToDictionaryHint()) {
postUpdateSuggestions();
}
boolean pickedDefault = false;
// Handle separator
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
ic.beginBatchEdit();
abortCorrection(false); }
if (mPredicting) {
// In certain languages where single quote is a separator, it's better
// not to auto correct, but accept the typed word. For instance,
// in Italian dov' should not be expanded to dove' because the elision
// requires the last vowel to be removed.
if (mAutoCorrectOn && primaryCode != '\'' &&
(mJustRevertedSeparator == null
|| mJustRevertedSeparator.length() == 0
|| mJustRevertedSeparator.charAt(0) != primaryCode)) {
pickedDefault = pickDefaultSuggestion();
// Picked the suggestion by the space key. We consider this
// as "added an auto space".
if (primaryCode == KEYCODE_SPACE) {
mJustAddedAutoSpace = true;
}
} else {
commitTyped(ic);
}
}
if (mJustAddedAutoSpace && primaryCode == KEYCODE_ENTER) {
removeTrailingSpace();
mJustAddedAutoSpace = false;
}
sendKeyChar((char)primaryCode);
// Handle the case of ". ." -> " .." with auto-space if necessary
// before changing the TextEntryState.
if (TextEntryState.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
&& primaryCode == KEYCODE_PERIOD) {
reswapPeriodAndSpace();
}
TextEntryState.typedCharacter((char) primaryCode, true);
if (TextEntryState.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
&& primaryCode != KEYCODE_ENTER) {
swapPunctuationAndSpace();
} else if (isPredictionOn() && primaryCode == KEYCODE_SPACE) {
doubleSpace();
}
if (pickedDefault) {
TextEntryState.backToAcceptedDefault(mWord.getTypedWord());
}
updateShiftKeyState(getCurrentInputEditorInfo());
if (ic != null) {
ic.endBatchEdit();
}
}
private void handleClose() {
commitTyped(getCurrentInputConnection());
if (VOICE_INSTALLED & mRecognizing) {
mVoiceInput.cancel();
}
requestHideSelf(0);
mKeyboardSwitcher.getInputView().closing();
TextEntryState.endSession();
}
private void saveWordInHistory(CharSequence result) {
if (mWord.size() <= 1) {
mWord.reset();
return;
}
// Skip if result is null. It happens in some edge case.
if (TextUtils.isEmpty(result)) {
return;
}
// Make a copy of the CharSequence, since it is/could be a mutable CharSequence final String resultCopy = result.toString();
TypedWordAlternatives entry = new TypedWordAlternatives(resultCopy,
new WordComposer(mWord));
mWordHistory.add(entry);
}
private void postUpdateSuggestions() {
mHandler.removeMessages(MSG_UPDATE_SUGGESTIONS);
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_SUGGESTIONS), 100);
}
private void postUpdateOldSuggestions() {
mHandler.removeMessages(MSG_UPDATE_OLD_SUGGESTIONS);
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_OLD_SUGGESTIONS), 300);
}
private boolean isPredictionOn() {
return mPredictionOn;
}
private boolean isCandidateStripVisible() {
return isPredictionOn() && mShowSuggestions;
}
public void onCancelVoice() {
if (mRecognizing) {
switchToKeyboardView();
}
}
private void switchToKeyboardView() {
mHandler.post(new Runnable() {
public void run() {
mRecognizing = false;
if (mKeyboardSwitcher.getInputView() != null) {
setInputView(mKeyboardSwitcher.getInputView());
}
updateInputViewShown();
}});
}
private void switchToRecognitionStatusView() {
final boolean configChanged = mConfigurationChanging;
mHandler.post(new Runnable() {
public void run() {
mRecognizing = true;
View v = mVoiceInput.getView();
ViewParent p = v.getParent();
if (p != null && p instanceof ViewGroup) {
((ViewGroup)v.getParent()).removeView(v);
}
setInputView(v);
updateInputViewShown();
if (configChanged) {
mVoiceInput.onConfigurationChanged();
}
}});
}
private void startListening(boolean swipe) {
if (!mHasUsedVoiceInput ||
(!mLocaleSupportedForVoiceInput && !mHasUsedVoiceInputUnsupportedLocale)) {
// Calls reallyStartListening if user clicks OK, does nothing if user clicks Cancel.
showVoiceWarningDialog(swipe);
} else {
reallyStartListening(swipe);
}
}
private void reallyStartListening(boolean swipe) { if (!mHasUsedVoiceInput) {
// The user has started a voice input, so remember that in the
// future (so we don't show the warning dialog after the first run).
SharedPreferences.Editor editor =
PreferenceManager.getDefaultSharedPreferences(this).edit();
editor.putBoolean(PREF_HAS_USED_VOICE_INPUT, true);
editor.commit();
mHasUsedVoiceInput = true;
}
if (!mLocaleSupportedForVoiceInput && !mHasUsedVoiceInputUnsupportedLocale) {
// The user has started a voice input from an unsupported locale, so remember that
// in the future (so we don't show the warning dialog the next time they do this).
SharedPreferences.Editor editor =
PreferenceManager.getDefaultSharedPreferences(this).edit();
editor.putBoolean(PREF_HAS_USED_VOICE_INPUT_UNSUPPORTED_LOCALE, true);
editor.commit();
mHasUsedVoiceInputUnsupportedLocale = true;
}
// Clear N-best suggestions
clearSuggestions();
FieldContext context = new FieldContext(
getCurrentInputConnection(),
getCurrentInputEditorInfo(),
mLanguageSwitcher.getInputLanguage(),
mLanguageSwitcher.getEnabledLanguages());
mVoiceInput.startListening(context, swipe);
switchToRecognitionStatusView();
}
private void showVoiceWarningDialog(final boolean swipe) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setCancelable(true);
builder.setIcon(R.drawable.ic_mic_dialog);
builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
mVoiceInput.logKeyboardWarningDialogOk();
reallyStartListening(swipe);
}
});
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
mVoiceInput.logKeyboardWarningDialogCancel();
}
});
if (mLocaleSupportedForVoiceInput) {
String message = getString(R.string.voice_warning_may_not_understand) + "\n\n" +
getString(R.string.voice_warning_how_to_turn_off);
builder.setMessage(message);
} else {
String message = getString(R.string.voice_warning_locale_not_supported) + "\n\n" +
getString(R.string.voice_warning_may_not_understand) + "\n\n" +
getString(R.string.voice_warning_how_to_turn_off);
builder.setMessage(message);
}
builder.setTitle(R.string.voice_warning_title);
mVoiceWarningDialog = builder.create();
Window window = mVoiceWarningDialog.getWindow();
WindowManager.LayoutParams lp = window.getAttributes();
lp.token = mKeyboardSwitcher.getInputView().getWindowToken();
lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
window.setAttributes(lp);
window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
mVoiceInput.logKeyboardWarningDialogShown();
mVoiceWarningDialog.show(); }
public void onVoiceResults(List<String> candidates,
Map<String, List<CharSequence>> alternatives) {
if (!mRecognizing) {
return;
}
mVoiceResults.candidates = candidates;
mVoiceResults.alternatives = alternatives;
mHandler.sendMessage(mHandler.obtainMessage(MSG_VOICE_RESULTS));
}
private void handleVoiceResults() {
mAfterVoiceInput = true;
mImmediatelyAfterVoiceInput = true;
InputConnection ic = getCurrentInputConnection();
if (!isFullscreenMode()) {
// Start listening for updates to the text from typing, etc.
if (ic != null) {
ExtractedTextRequest req = new ExtractedTextRequest();
ic.getExtractedText(req, InputConnection.GET_EXTRACTED_TEXT_MONITOR);
}
}
vibrate();
switchToKeyboardView();
final List<CharSequence> nBest = new ArrayList<CharSequence>();
boolean capitalizeFirstWord = preferCapitalization()
|| (mKeyboardSwitcher.isAlphabetMode()
&& mKeyboardSwitcher.getInputView().isShifted());
for (String c : mVoiceResults.candidates) {
if (capitalizeFirstWord) {
c = Character.toUpperCase(c.charAt(0)) + c.substring(1, c.length());
}
nBest.add(c);
}
if (nBest.size() == 0) {
return;
}
String bestResult = nBest.get(0).toString();
mVoiceInput.logVoiceInputDelivered(bestResult.length());
mHints.registerVoiceResult(bestResult);
if (ic != null) ic.beginBatchEdit(); // To avoid extra updates on committing older text
commitTyped(ic);
EditingUtil.appendText(ic, bestResult);
if (ic != null) ic.endBatchEdit();
mVoiceInputHighlighted = true;
mWordToSuggestions.putAll(mVoiceResults.alternatives);
}
private void clearSuggestions() {
setSuggestions(null, false, false, false);
}
private void setSuggestions(
List<CharSequence> suggestions,
boolean completions,
boolean typedWordValid,
boolean haveMinimalSuggestion) {
if (mIsShowingHint) {
setCandidatesView(mCandidateViewContainer);
mIsShowingHint = false;
}
if (mCandidateView != null) {
mCandidateView.setSuggestions(
suggestions, completions, typedWordValid, haveMinimalSuggestion);
}
}
private void updateSuggestions() {
LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
((LatinKeyboard) inputView.getKeyboard()).setPreferredLetters(null);
// Check if we have a suggestion engine attached.
if ((mSuggest == null || !isPredictionOn()) && !mVoiceInputHighlighted) {
return;
}
if (!mPredicting) {
setNextSuggestions();
return;
}
showSuggestions(mWord);
}
private List<CharSequence> getTypedSuggestions(WordComposer word) {
List<CharSequence> stringList = mSuggest.getSuggestions(
mKeyboardSwitcher.getInputView(), word, false, null);
return stringList;
}
private void showCorrections(WordAlternatives alternatives) {
List<CharSequence> stringList = alternatives.getAlternatives();
((LatinKeyboard) mKeyboardSwitcher.getInputView().getKeyboard()).setPreferredLetters(null);
showSuggestions(stringList, alternatives.getOriginalWord(), false, false);
}
private void showSuggestions(WordComposer word) {
// long startTime = System.currentTimeMillis(); // TIME MEASUREMENT!
// TODO Maybe need better way of retrieving previous word
CharSequence prevWord = EditingUtil.getPreviousWord(getCurrentInputConnection(),
mWordSeparators);
List<CharSequence> stringList = mSuggest.getSuggestions(
mKeyboardSwitcher.getInputView(), word, false, prevWord);
// long stopTime = System.currentTimeMillis(); // TIME MEASUREMENT!
// Log.d("LatinIME","Suggest Total Time - " + (stopTime - startTime));
int[] nextLettersFrequencies = mSuggest.getNextLettersFrequencies();
((LatinKeyboard) mKeyboardSwitcher.getInputView().getKeyboard()).setPreferredLetters(
nextLettersFrequencies);
boolean correctionAvailable = !mInputTypeNoAutoCorrect && mSuggest.hasMinimalCorrection();
//|| mCorrectionMode == mSuggest.CORRECTION_FULL;
CharSequence typedWord = word.getTypedWord();
// If we're in basic correct
boolean typedWordValid = mSuggest.isValidWord(typedWord) ||
(preferCapitalization()
&& mSuggest.isValidWord(typedWord.toString().toLowerCase()));
if (mCorrectionMode == Suggest.CORRECTION_FULL
|| mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM) {
correctionAvailable |= typedWordValid;
}
// Don't auto-correct words with multiple capital letter
correctionAvailable &= !word.isMostlyCaps();
correctionAvailable &= !TextEntryState.isCorrecting();
showSuggestions(stringList, typedWord, typedWordValid, correctionAvailable); }
private void showSuggestions(List<CharSequence> stringList, CharSequence typedWord,
boolean typedWordValid, boolean correctionAvailable) {
setSuggestions(stringList, false, typedWordValid, correctionAvailable);
if (stringList.size() > 0) {
if (correctionAvailable && !typedWordValid && stringList.size() > 1) {
mBestWord = stringList.get(1);
} else {
mBestWord = typedWord;
}
} else {
mBestWord = null;
}
setCandidatesViewShown(isCandidateStripVisible() || mCompletionOn);
}
private boolean pickDefaultSuggestion() {
// Complete any pending candidate query first
if (mHandler.hasMessages(MSG_UPDATE_SUGGESTIONS)) {
mHandler.removeMessages(MSG_UPDATE_SUGGESTIONS);
updateSuggestions();
}
if (mBestWord != null && mBestWord.length() > 0) {
TextEntryState.acceptedDefault(mWord.getTypedWord(), mBestWord);
mJustAccepted = true;
pickSuggestion(mBestWord, false);
// Add the word to the auto dictionary if it's not a known word
addToDictionaries(mBestWord, AutoDictionary.FREQUENCY_FOR_TYPED);
return true;
}
return false;
}
public void pickSuggestionManually(int index, CharSequence suggestion) {
if (mAfterVoiceInput && mShowingVoiceSuggestions) mVoiceInput.logNBestChoose(index);
List<CharSequence> suggestions = mCandidateView.getSuggestions();
if (mAfterVoiceInput && !mShowingVoiceSuggestions) {
mVoiceInput.flushAllTextModificationCounters();
// send this intent AFTER logging any prior aggregated edits.
mVoiceInput.logTextModifiedByChooseSuggestion(suggestion.length());
}
final boolean correcting = TextEntryState.isCorrecting();
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
ic.beginBatchEdit();
}
if (mCompletionOn && mCompletions != null && index >= 0
&& index < mCompletions.length) {
CompletionInfo ci = mCompletions[index];
if (ic != null) {
ic.commitCompletion(ci);
}
mCommittedLength = suggestion.length();
if (mCandidateView != null) {
mCandidateView.clear();
}
updateShiftKeyState(getCurrentInputEditorInfo());
if (ic != null) {
ic.endBatchEdit();
}
return;
}
// If this is a punctuation, apply it through the normal key press
if (suggestion.length() == 1 && (isWordSeparator(suggestion.charAt(0))
|| isSuggestedPunctuation(suggestion.charAt(0)))) { // Word separators are suggested before the user inputs something.
// So, LatinImeLogger logs "" as a user's input.
LatinImeLogger.logOnManualSuggestion(
"", suggestion.toString(), index, suggestions);
onKey(suggestion.charAt(0), null, LatinKeyboardBaseView.NOT_A_TOUCH_COORDINATE,
LatinKeyboardBaseView.NOT_A_TOUCH_COORDINATE);
if (ic != null) {
ic.endBatchEdit();
}
return;
}
mJustAccepted = true;
pickSuggestion(suggestion, correcting);
// Add the word to the auto dictionary if it's not a known word
if (index == 0) {
addToDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED);
} else {
addToBigramDictionary(suggestion, 1);
}
LatinImeLogger.logOnManualSuggestion(mComposing.toString(), suggestion.toString(),
index, suggestions);
TextEntryState.acceptedSuggestion(mComposing.toString(), suggestion);
// Follow it with a space
if (mAutoSpace && !correcting) {
sendSpace();
mJustAddedAutoSpace = true;
}
final boolean showingAddToDictionaryHint = index == 0 && mCorrectionMode > 0
&& !mSuggest.isValidWord(suggestion)
&& !mSuggest.isValidWord(suggestion.toString().toLowerCase());
if (!correcting) {
// Fool the state watcher so that a subsequent backspace will not do a revert, unless
// we just did a correction, in which case we need to stay in
// TextEntryState.State.PICKED_SUGGESTION state.
TextEntryState.typedCharacter((char) KEYCODE_SPACE, true);
setNextSuggestions();
} else if (!showingAddToDictionaryHint) {
// If we're not showing the "Tap again to save hint", then show corrections again.
// In case the cursor position doesn't change, make sure we show the suggestions again.
clearSuggestions();
postUpdateOldSuggestions();
}
if (showingAddToDictionaryHint) {
mCandidateView.showAddToDictionaryHint(suggestion);
}
if (ic != null) {
ic.endBatchEdit();
}
}
private void rememberReplacedWord(CharSequence suggestion) {
if (mShowingVoiceSuggestions) {
// Retain the replaced word in the alternatives array.
EditingUtil.Range range = new EditingUtil.Range();
String wordToBeReplaced = EditingUtil.getWordAtCursor(getCurrentInputConnection(),
mWordSeparators, range);
if (!mWordToSuggestions.containsKey(wordToBeReplaced)) {
wordToBeReplaced = wordToBeReplaced.toLowerCase();
}
if (mWordToSuggestions.containsKey(wordToBeReplaced)) {
List<CharSequence> suggestions = mWordToSuggestions.get(wordToBeReplaced);
if (suggestions.contains(suggestion)) {
suggestions.remove(suggestion);
}
suggestions.add(wordToBeReplaced);
mWordToSuggestions.remove(wordToBeReplaced);
mWordToSuggestions.put(suggestion.toString(), suggestions);
} }
}
/**
* Commits the chosen word to the text field and saves it for later
* retrieval.
* @param suggestion the suggestion picked by the user to be committed to
* the text field
* @param correcting whether this is due to a correction of an existing
* word.
*/
private void pickSuggestion(CharSequence suggestion, boolean correcting) {
LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
if (mCapsLock) {
suggestion = suggestion.toString().toUpperCase();
} else if (preferCapitalization()
|| (mKeyboardSwitcher.isAlphabetMode()
&& inputView.isShifted())) {
suggestion = suggestion.toString().toUpperCase().charAt(0)
+ suggestion.subSequence(1, suggestion.length()).toString();
}
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
rememberReplacedWord(suggestion);
ic.commitText(suggestion, 1);
}
saveWordInHistory(suggestion);
mPredicting = false;
mCommittedLength = suggestion.length();
((LatinKeyboard) inputView.getKeyboard()).setPreferredLetters(null);
// If we just corrected a word, then don't show punctuations
if (!correcting) {
setNextSuggestions();
}
updateShiftKeyState(getCurrentInputEditorInfo());
}
/**
* Tries to apply any voice alternatives for the word if this was a spoken word and
* there are voice alternatives.
* @param touching The word that the cursor is touching, with position information
* @return true if an alternative was found, false otherwise.
*/
private boolean applyVoiceAlternatives(EditingUtil.SelectedWord touching) {
// Search for result in spoken word alternatives
String selectedWord = touching.word.toString().trim();
if (!mWordToSuggestions.containsKey(selectedWord)) {
selectedWord = selectedWord.toLowerCase();
}
if (mWordToSuggestions.containsKey(selectedWord)) {
mShowingVoiceSuggestions = true;
List<CharSequence> suggestions = mWordToSuggestions.get(selectedWord);
// If the first letter of touching is capitalized, make all the suggestions
// start with a capital letter.
if (Character.isUpperCase(touching.word.charAt(0))) {
for (int i = 0; i < suggestions.size(); i++) {
String origSugg = (String) suggestions.get(i);
String capsSugg = origSugg.toUpperCase().charAt(0)
+ origSugg.subSequence(1, origSugg.length()).toString();
suggestions.set(i, capsSugg);
}
}
setSuggestions(suggestions, false, true, true);
setCandidatesViewShown(true);
return true;
}
return false;
}
/** * Tries to apply any typed alternatives for the word if we have any cached alternatives,
* otherwise tries to find new corrections and completions for the word.
* @param touching The word that the cursor is touching, with position information
* @return true if an alternative was found, false otherwise.
*/
private boolean applyTypedAlternatives(EditingUtil.SelectedWord touching) {
// If we didn't find a match, search for result in typed word history
WordComposer foundWord = null;
WordAlternatives alternatives = null;
for (WordAlternatives entry : mWordHistory) {
if (TextUtils.equals(entry.getChosenWord(), touching.word)) {
if (entry instanceof TypedWordAlternatives) {
foundWord = ((TypedWordAlternatives) entry).word;
}
alternatives = entry;
break;
}
}
// If we didn't find a match, at least suggest completions
if (foundWord == null
&& (mSuggest.isValidWord(touching.word)
|| mSuggest.isValidWord(touching.word.toString().toLowerCase()))) {
foundWord = new WordComposer();
for (int i = 0; i < touching.word.length(); i++) {
foundWord.add(touching.word.charAt(i), new int[] {
touching.word.charAt(i)
});
}
foundWord.setCapitalized(Character.isUpperCase(touching.word.charAt(0)));
}
// Found a match, show suggestions
if (foundWord != null || alternatives != null) {
if (alternatives == null) {
alternatives = new TypedWordAlternatives(touching.word, foundWord);
}
showCorrections(alternatives);
if (foundWord != null) {
mWord = new WordComposer(foundWord);
} else {
mWord.reset();
}
return true;
}
return false;
}
private void setOldSuggestions() {
mShowingVoiceSuggestions = false;
if (mCandidateView != null && mCandidateView.isShowingAddToDictionaryHint()) {
return;
}
InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
if (!mPredicting) {
// Extract the selected or touching text
EditingUtil.SelectedWord touching = EditingUtil.getWordAtCursorOrSelection(ic,
mLastSelectionStart, mLastSelectionEnd, mWordSeparators);
if (touching != null && touching.word.length() > 1) {
ic.beginBatchEdit();
if (!applyVoiceAlternatives(touching) && !applyTypedAlternatives(touching)) {
abortCorrection(true);
} else {
TextEntryState.selectedForCorrection();
EditingUtil.underlineWord(ic, touching);
}
ic.endBatchEdit();
} else { abortCorrection(true);
setNextSuggestions();
}
} else {
abortCorrection(true);
}
}
private void setNextSuggestions() {
setSuggestions(mSuggestPuncList, false, false, false);
}
private void addToDictionaries(CharSequence suggestion, int frequencyDelta) {
checkAddToDictionary(suggestion, frequencyDelta, false);
}
private void addToBigramDictionary(CharSequence suggestion, int frequencyDelta) {
checkAddToDictionary(suggestion, frequencyDelta, true);
}
/**
* Adds to the UserBigramDictionary and/or AutoDictionary
* @param addToBigramDictionary true if it should be added to bigram dictionary if possible
*/
private void checkAddToDictionary(CharSequence suggestion, int frequencyDelta,
boolean addToBigramDictionary) {
if (suggestion == null || suggestion.length() < 1) return;
// Only auto-add to dictionary if auto-correct is ON. Otherwise we'll be
// adding words in situations where the user or application really didn't
// want corrections enabled or learned.
if (!(mCorrectionMode == Suggest.CORRECTION_FULL
|| mCorrectionMode == Suggest.CORRECTION_FULL_BIGRAM)) {
return;
}
if (suggestion != null) {
if (!addToBigramDictionary && mAutoDictionary.isValidWord(suggestion)
|| (!mSuggest.isValidWord(suggestion.toString())
&& !mSuggest.isValidWord(suggestion.toString().toLowerCase()))) {
mAutoDictionary.addWord(suggestion.toString(), frequencyDelta);
}
if (mUserBigramDictionary != null) {
CharSequence prevWord = EditingUtil.getPreviousWord(getCurrentInputConnection(),
mSentenceSeparators);
if (!TextUtils.isEmpty(prevWord)) {
mUserBigramDictionary.addBigrams(prevWord.toString(), suggestion.toString());
}
}
}
}
private boolean isCursorTouchingWord() {
InputConnection ic = getCurrentInputConnection();
if (ic == null) return false;
CharSequence toLeft = ic.getTextBeforeCursor(1, 0);
CharSequence toRight = ic.getTextAfterCursor(1, 0);
if (!TextUtils.isEmpty(toLeft)
&& !isWordSeparator(toLeft.charAt(0))) {
return true;
}
if (!TextUtils.isEmpty(toRight)
&& !isWordSeparator(toRight.charAt(0))) {
return true;
}
return false;
}
private boolean sameAsTextBeforeCursor(InputConnection ic, CharSequence text) {
CharSequence beforeText = ic.getTextBeforeCursor(text.length(), 0);
return TextUtils.equals(text, beforeText); }
public void revertLastWord(boolean deleteChar) {
final int length = mComposing.length();
if (!mPredicting && length > 0) {
final InputConnection ic = getCurrentInputConnection();
mPredicting = true;
mJustRevertedSeparator = ic.getTextBeforeCursor(1, 0);
if (deleteChar) ic.deleteSurroundingText(1, 0);
int toDelete = mCommittedLength;
CharSequence toTheLeft = ic.getTextBeforeCursor(mCommittedLength, 0);
if (toTheLeft != null && toTheLeft.length() > 0
&& isWordSeparator(toTheLeft.charAt(0))) {
toDelete--;
}
ic.deleteSurroundingText(toDelete, 0);
ic.setComposingText(mComposing, 1);
TextEntryState.backspace();
postUpdateSuggestions();
} else {
sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
mJustRevertedSeparator = null;
}
}
protected String getWordSeparators() {
return mWordSeparators;
}
public boolean isWordSeparator(int code) {
String separators = getWordSeparators();
return separators.contains(String.valueOf((char)code));
}
private boolean isSentenceSeparator(int code) {
return mSentenceSeparators.contains(String.valueOf((char)code));
}
private void sendSpace() {
sendKeyChar((char)KEYCODE_SPACE);
updateShiftKeyState(getCurrentInputEditorInfo());
//onKey(KEY_SPACE[0], KEY_SPACE);
}
public boolean preferCapitalization() {
return mWord.isCapitalized();
}
public void swipeRight() {
if (userHasNotTypedRecently() && VOICE_INSTALLED && mEnableVoice &&
fieldCanDoVoice(makeFieldContext())) {
startListening(true /* was a swipe */);
}
if (LatinKeyboardView.DEBUG_AUTO_PLAY) {
ClipboardManager cm = ((ClipboardManager)getSystemService(CLIPBOARD_SERVICE));
CharSequence text = cm.getText();
if (!TextUtils.isEmpty(text)) {
mKeyboardSwitcher.getInputView().startPlaying(text.toString());
}
}
}
private void toggleLanguage(boolean reset, boolean next) {
if (reset) {
mLanguageSwitcher.reset();
} else {
if (next) {
mLanguageSwitcher.next();
} else { mLanguageSwitcher.prev();
}
}
int currentKeyboardMode = mKeyboardSwitcher.getKeyboardMode();
reloadKeyboards();
mKeyboardSwitcher.makeKeyboards(true);
mKeyboardSwitcher.setKeyboardMode(currentKeyboardMode, 0,
mEnableVoiceButton && mEnableVoice);
initSuggest(mLanguageSwitcher.getInputLanguage());
mLanguageSwitcher.persist();
updateShiftKeyState(getCurrentInputEditorInfo());
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
if (PREF_SELECTED_LANGUAGES.equals(key)) {
mLanguageSwitcher.loadLocales(sharedPreferences);
mRefreshKeyboardRequired = true;
} else if (PREF_RECORRECTION_ENABLED.equals(key)) {
mReCorrectionEnabled = sharedPreferences.getBoolean(PREF_RECORRECTION_ENABLED,
getResources().getBoolean(R.bool.default_recorrection_enabled));
}
}
public void swipeLeft() {
}
public void swipeDown() {
handleClose();
}
public void swipeUp() {
//launchSettings();
}
public void onPress(int primaryCode) {
vibrate();
playKeyClick(primaryCode);
if (mKeyboardSwitcher.hasDistinctMultitouch() && primaryCode == Keyboard.KEYCODE_SHIFT) {
mShiftKeyState.onPress();
handleShift();
} else if (primaryCode == Keyboard.KEYCODE_MODE_CHANGE) {
// TODO: We should handle KEYCODE_MODE_CHANGE (symbol) here as well.
} else {
mShiftKeyState.onOtherKeyPressed();
}
}
public void onRelease(int primaryCode) {
// Reset any drag flags in the keyboard
((LatinKeyboard) mKeyboardSwitcher.getInputView().getKeyboard()).keyReleased();
//vibrate();
if (mKeyboardSwitcher.hasDistinctMultitouch() && primaryCode == Keyboard.KEYCODE_SHIFT) {
if (mShiftKeyState.isMomentary())
resetShift();
mShiftKeyState.onRelease();
} else if (primaryCode == Keyboard.KEYCODE_MODE_CHANGE) {
// TODO: We should handle KEYCODE_MODE_CHANGE (symbol) here as well.
}
}
private FieldContext makeFieldContext() {
return new FieldContext(
getCurrentInputConnection(),
getCurrentInputEditorInfo(),
mLanguageSwitcher.getInputLanguage(),
mLanguageSwitcher.getEnabledLanguages());
}
private boolean fieldCanDoVoice(FieldContext fieldContext) { return !mPasswordText
&& mVoiceInput != null
&& !mVoiceInput.isBlacklistedField(fieldContext);
}
private boolean shouldShowVoiceButton(FieldContext fieldContext, EditorInfo attribute) {
return ENABLE_VOICE_BUTTON && fieldCanDoVoice(fieldContext)
&& !(attribute != null && attribute.privateImeOptions != null
&& attribute.privateImeOptions.equals(IME_OPTION_NO_MICROPHONE))
&& SpeechRecognizer.isRecognitionAvailable(this);
}
// receive ringer mode changes to detect silent mode
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updateRingerMode();
}
};
// update flags for silent mode
private void updateRingerMode() {
if (mAudioManager == null) {
mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
}
if (mAudioManager != null) {
mSilentMode = (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL);
}
}
private boolean userHasNotTypedRecently() {
return (SystemClock.uptimeMillis() - mLastKeyTime)
> MIN_MILLIS_AFTER_TYPING_BEFORE_SWIPE;
}
private void playKeyClick(int primaryCode) {
// if mAudioManager is null, we don't have the ringer state yet
// mAudioManager will be set by updateRingerMode
if (mAudioManager == null) {
if (mKeyboardSwitcher.getInputView() != null) {
updateRingerMode();
}
}
if (mSoundOn && !mSilentMode) {
// FIXME: Volume and enable should come from UI settings
// FIXME: These should be triggered after auto-repeat logic
int sound = AudioManager.FX_KEYPRESS_STANDARD;
switch (primaryCode) {
case Keyboard.KEYCODE_DELETE:
sound = AudioManager.FX_KEYPRESS_DELETE;
break;
case KEYCODE_ENTER:
sound = AudioManager.FX_KEYPRESS_RETURN;
break;
case KEYCODE_SPACE:
sound = AudioManager.FX_KEYPRESS_SPACEBAR;
break;
}
mAudioManager.playSoundEffect(sound, FX_VOLUME);
}
}
private void vibrate() {
if (!mVibrateOn) {
return;
}
if (mKeyboardSwitcher.getInputView() != null) {
mKeyboardSwitcher.getInputView().performHapticFeedback(
HapticFeedbackConstants.KEYBOARD_TAP,
HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING); }
}
private void checkTutorial(String privateImeOptions) {
if (privateImeOptions == null) return;
if (privateImeOptions.equals("com.android.setupwizard:ShowTutorial")) {
if (mTutorial == null) startTutorial();
} else if (privateImeOptions.equals("com.android.setupwizard:HideTutorial")) {
if (mTutorial != null) {
if (mTutorial.close()) {
mTutorial = null;
}
}
}
}
private void startTutorial() {
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_START_TUTORIAL), 500);
}
void tutorialDone() {
mTutorial = null;
}
void promoteToUserDictionary(String word, int frequency) {
if (mUserDictionary.isValidWord(word)) return;
mUserDictionary.addWord(word, frequency);
}
WordComposer getCurrentWord() {
return mWord;
}
boolean getPopupOn() {
return mPopupOn;
}
private void updateCorrectionMode() {
mHasDictionary = mSuggest != null ? mSuggest.hasMainDictionary() : false;
mAutoCorrectOn = (mAutoCorrectEnabled || mQuickFixes)
&& !mInputTypeNoAutoCorrect && mHasDictionary;
mCorrectionMode = (mAutoCorrectOn && mAutoCorrectEnabled)
? Suggest.CORRECTION_FULL
: (mAutoCorrectOn ? Suggest.CORRECTION_BASIC : Suggest.CORRECTION_NONE);
mCorrectionMode = (mBigramSuggestionEnabled && mAutoCorrectOn && mAutoCorrectEnabled)
? Suggest.CORRECTION_FULL_BIGRAM : mCorrectionMode;
if (mSuggest != null) {
mSuggest.setCorrectionMode(mCorrectionMode);
}
}
private void updateAutoTextEnabled(Locale systemLocale) {
if (mSuggest == null) return;
boolean different =
!systemLocale.getLanguage().equalsIgnoreCase(mInputLocale.substring(0, 2));
mSuggest.setAutoTextEnabled(!different && mQuickFixes);
}
protected void launchSettings() {
launchSettings(LatinIMESettings.class);
}
protected void launchSettings(Class<LatinIMESettings> settingsClass) {
handleClose();
Intent intent = new Intent();
intent.setClass(LatinIME.this, settingsClass);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
private void loadSettings() {
// Get the settings preferences
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
mVibrateOn = sp.getBoolean(PREF_VIBRATE_ON, false);
mSoundOn = sp.getBoolean(PREF_SOUND_ON, false);
mPopupOn = sp.getBoolean(PREF_POPUP_ON,
mResources.getBoolean(R.bool.default_popup_preview));
mAutoCap = sp.getBoolean(PREF_AUTO_CAP, true);
mQuickFixes = sp.getBoolean(PREF_QUICK_FIXES, true);
mHasUsedVoiceInput = sp.getBoolean(PREF_HAS_USED_VOICE_INPUT, false);
mHasUsedVoiceInputUnsupportedLocale =
sp.getBoolean(PREF_HAS_USED_VOICE_INPUT_UNSUPPORTED_LOCALE, false);
// Get the current list of supported locales and check the current locale against that
// list. We cache this value so as not to check it every time the user starts a voice
// input. Because this method is called by onStartInputView, this should mean that as
// long as the locale doesn't change while the user is keeping the IME open, the
// value should never be stale.
String supportedLocalesString = SettingsUtil.getSettingsString(
getContentResolver(),
SettingsUtil.LATIN_IME_VOICE_INPUT_SUPPORTED_LOCALES,
DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES);
ArrayList<String> voiceInputSupportedLocales =
newArrayList(supportedLocalesString.split("\\s+"));
mLocaleSupportedForVoiceInput = voiceInputSupportedLocales.contains(mInputLocale);
mShowSuggestions = sp.getBoolean(PREF_SHOW_SUGGESTIONS, true);
if (VOICE_INSTALLED) {
final String voiceMode = sp.getString(PREF_VOICE_MODE,
getString(R.string.voice_mode_main));
boolean enableVoice = !voiceMode.equals(getString(R.string.voice_mode_off))
&& mEnableVoiceButton;
boolean voiceOnPrimary = voiceMode.equals(getString(R.string.voice_mode_main));
if (mKeyboardSwitcher != null &&
(enableVoice != mEnableVoice || voiceOnPrimary != mVoiceOnPrimary)) {
mKeyboardSwitcher.setVoiceMode(enableVoice, voiceOnPrimary);
}
mEnableVoice = enableVoice;
mVoiceOnPrimary = voiceOnPrimary;
}
mAutoCorrectEnabled = sp.getBoolean(PREF_AUTO_COMPLETE,
mResources.getBoolean(R.bool.enable_autocorrect)) & mShowSuggestions;
//mBigramSuggestionEnabled = sp.getBoolean(
// PREF_BIGRAM_SUGGESTIONS, true) & mShowSuggestions;
updateCorrectionMode();
updateAutoTextEnabled(mResources.getConfiguration().locale);
mLanguageSwitcher.loadLocales(sp);
}
private void initSuggestPuncList() {
mSuggestPuncList = new ArrayList<CharSequence>();
mSuggestPuncs = mResources.getString(R.string.suggested_punctuations);
if (mSuggestPuncs != null) {
for (int i = 0; i < mSuggestPuncs.length(); i++) {
mSuggestPuncList.add(mSuggestPuncs.subSequence(i, i + 1));
}
}
}
private boolean isSuggestedPunctuation(int code) {
return mSuggestPuncs.contains(String.valueOf((char)code));
}
private void showOptionsMenu() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setCancelable(true);
builder.setIcon(R.drawable.ic_dialog_keyboard);
builder.setNegativeButton(android.R.string.cancel, null); CharSequence itemSettings = getString(R.string.english_ime_settings);
CharSequence itemInputMethod = getString(R.string.selectInputMethod);
builder.setItems(new CharSequence[] {
itemSettings, itemInputMethod},
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface di, int position) {
di.dismiss();
switch (position) {
case POS_SETTINGS:
launchSettings();
break;
case POS_METHOD:
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE))
.showInputMethodPicker();
break;
}
}
});
builder.setTitle(mResources.getString(R.string.english_ime_name));
mOptionsDialog = builder.create();
Window window = mOptionsDialog.getWindow();
WindowManager.LayoutParams lp = window.getAttributes();
lp.token = mKeyboardSwitcher.getInputView().getWindowToken();
lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
window.setAttributes(lp);
window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
mOptionsDialog.show();
}
private void changeKeyboardMode() {
mKeyboardSwitcher.toggleSymbols();
if (mCapsLock && mKeyboardSwitcher.isAlphabetMode()) {
mKeyboardSwitcher.setShiftLocked(mCapsLock);
}
updateShiftKeyState(getCurrentInputEditorInfo());
}
public static <E> ArrayList<E> newArrayList(E... elements) {
int capacity = (elements.length * 110) / 100 + 5;
ArrayList<E> list = new ArrayList<E>(capacity);
Collections.addAll(list, elements);
return list;
}
@Override protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) {
super.dump(fd, fout, args);
final Printer p = new PrintWriterPrinter(fout);
p.println("LatinIME state :");
p.println(" Keyboard mode = " + mKeyboardSwitcher.getKeyboardMode());
p.println(" mCapsLock=" + mCapsLock);
p.println(" mComposing=" + mComposing.toString());
p.println(" mPredictionOn=" + mPredictionOn);
p.println(" mCorrectionMode=" + mCorrectionMode);
p.println(" mPredicting=" + mPredicting);
p.println(" mAutoCorrectOn=" + mAutoCorrectOn);
p.println(" mAutoSpace=" + mAutoSpace);
p.println(" mCompletionOn=" + mCompletionOn);
p.println(" TextEntryState.state=" + TextEntryState.getState());
p.println(" mSoundOn=" + mSoundOn);
p.println(" mVibrateOn=" + mVibrateOn);
p.println(" mPopupOn=" + mPopupOn);
}
// Characters per second measurement
private long mLastCpsTime;
private static final int CPS_BUFFER_SIZE = 16; private long[] mCpsIntervals = new long[CPS_BUFFER_SIZE];
private int mCpsIndex;
private void measureCps() {
long now = System.currentTimeMillis();
if (mLastCpsTime == 0) mLastCpsTime = now - 100; // Initial
mCpsIntervals[mCpsIndex] = now - mLastCpsTime;
mLastCpsTime = now;
mCpsIndex = (mCpsIndex + 1) % CPS_BUFFER_SIZE;
long total = 0;
for (int i = 0; i < CPS_BUFFER_SIZE; i++) total += mCpsIntervals[i];
System.out.println("CPS = " + ((CPS_BUFFER_SIZE * 1000f) / total));
}
public void onAutoCompletionStateChanged(boolean isAutoCompletion) {
mKeyboardSwitcher.onAutoCompletionStateChanged(isAutoCompletion);
}
}