/* * 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.compat.CompatUtils; import com.android.inputmethod.compat.EditorInfoCompatUtils; import com.android.inputmethod.compat.InputConnectionCompatUtils; import com.android.inputmethod.compat.InputMethodManagerCompatWrapper; import com.android.inputmethod.compat.InputMethodServiceCompatWrapper; import com.android.inputmethod.compat.InputTypeCompatUtils; import com.android.inputmethod.compat.VibratorCompatWrapper; import com.android.inputmethod.deprecated.LanguageSwitcherProxy; import com.android.inputmethod.deprecated.VoiceProxy; import com.android.inputmethod.keyboard.Keyboard; import com.android.inputmethod.keyboard.KeyboardActionListener; import com.android.inputmethod.keyboard.KeyboardSwitcher; import com.android.inputmethod.keyboard.KeyboardView; import com.android.inputmethod.keyboard.LatinKeyboard; import com.android.inputmethod.keyboard.LatinKeyboardView; 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.inputmethodservice.InputMethodService; import android.media.AudioManager; import android.net.ConnectivityManager; import android.os.Debug; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.os.SystemClock; import android.preference.PreferenceActivity; import android.preference.PreferenceManager; import android.text.InputType; 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.widget.LinearLayout; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Locale; /** * Input method implementation for Qwerty'ish keyboard. */ public class LatinIME extends InputMethodServiceCompatWrapper implements KeyboardActionListener { private static final String TAG = LatinIME.class.getSimpleName(); private static final boolean PERF_DEBUG = false; private static final boolean TRACE = false; private static boolean DEBUG = LatinImeLogger.sDBG; /** * 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. * * @deprecated Use {@link LatinIME#IME_OPTION_NO_MICROPHONE} with package name prefixed. */ @SuppressWarnings("dep-ann") public static final String IME_OPTION_NO_MICROPHONE_COMPAT = "nm"; /** * 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. */ public static final String IME_OPTION_NO_MICROPHONE = "noMicrophoneKey"; /** * The private IME option used to indicate that no settings key should be * shown for a given text field. */ public static final String IME_OPTION_NO_SETTINGS_KEY = "noSettingsKey"; private static final int DELAY_UPDATE_SUGGESTIONS = 180; private static final int DELAY_UPDATE_OLD_SUGGESTIONS = 300; private static final int DELAY_UPDATE_SHIFT_STATE = 300; private static final int EXTENDED_TOUCHABLE_REGION_HEIGHT = 100; // 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; /** * The name of the scheme used by the Package Manager to warn of a new package installation, * replacement or removal. */ private static final String SCHEME_PACKAGE = "package"; private int mSuggestionVisibility; private static final int SUGGESTION_VISIBILILTY_SHOW_VALUE = R.string.prefs_suggestion_visibility_show_value; private static final int SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE = R.string.prefs_suggestion_visibility_show_only_portrait_value; private static final int SUGGESTION_VISIBILILTY_HIDE_VALUE = R.string.prefs_suggestion_visibility_hide_value; private static final int[] SUGGESTION_VISIBILITY_VALUE_ARRAY = new int[] { SUGGESTION_VISIBILILTY_SHOW_VALUE, SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE, SUGGESTION_VISIBILILTY_HIDE_VALUE }; private View mCandidateViewContainer; private int mCandidateStripHeight; private CandidateView mCandidateView; private Suggest mSuggest; private CompletionInfo[] mApplicationSpecifiedCompletions; private AlertDialog mOptionsDialog; private InputMethodManagerCompatWrapper mImm; private Resources mResources; private SharedPreferences mPrefs; private String mInputMethodId; private KeyboardSwitcher mKeyboardSwitcher; private SubtypeSwitcher mSubtypeSwitcher; private VoiceProxy mVoiceProxy; private UserDictionary mUserDictionary; private UserBigramDictionary mUserBigramDictionary; private ContactsDictionary mContactsDictionary; private AutoDictionary mAutoDictionary; // These variables are initialized according to the {@link EditorInfo#inputType}. private boolean mAutoSpace; private boolean mInputTypeNoAutoCorrect; private boolean mIsSettingsSuggestionStripOn; private boolean mApplicationSpecifiedCompletionOn; private AccessibilityUtils mAccessibilityUtils; private final StringBuilder mComposing = new StringBuilder(); private WordComposer mWord = new WordComposer(); private CharSequence mBestWord; private boolean mHasValidSuggestions; private boolean mHasDictionary; private boolean mJustAddedAutoSpace; private boolean mAutoCorrectEnabled; private boolean mRecorrectionEnabled; private boolean mBigramSuggestionEnabled; private boolean mAutoCorrectOn; private boolean mVibrateOn; private boolean mSoundOn; private boolean mPopupOn; private boolean mAutoCap; private boolean mQuickFixes; private boolean mConfigEnableShowSubtypeSettings; private boolean mConfigSwipeDownDismissKeyboardEnabled; private int mConfigDelayBeforeFadeoutLanguageOnSpacebar; private int mConfigDurationOfFadeoutLanguageOnSpacebar; private float mConfigFinalFadeoutFactorOfLanguageOnSpacebar; private long mConfigDoubleSpacesTurnIntoPeriodTimeout; private int mCorrectionMode; private int mCommittedLength; private int mOrientation; // Keep track of the last selection range to decide if we need to show word alternatives private int mLastSelectionStart; private int mLastSelectionEnd; private SuggestedWords mSuggestPuncList; // Indicates whether the suggestion strip is to be on in landscape private boolean mJustAccepted; private int mDeleteCount; private long mLastKeyTime; private AudioManager mAudioManager; // Align sound effect volume on music volume private static final float FX_VOLUME = -1.0f; private boolean mSilentMode; /* package */ String mWordSeparators; private String mSentenceSeparators; private String mSuggestPuncs; // TODO: Move this flag to VoiceProxy private boolean mConfigurationChanging; // Object for reacting to adding/removing a dictionary pack. private BroadcastReceiver mDictionaryPackInstallReceiver = new DictionaryPackInstallBroadcastReceiver(this); // Keeps track of most recently inserted text (multi-character key) for reverting private CharSequence mEnteredText; private final ArrayList mWordHistory = new ArrayList(); public class WordAlternatives { private final CharSequence mChosenWord; private final WordComposer mWordComposer; public WordAlternatives(CharSequence chosenWord, WordComposer wordComposer) { mChosenWord = chosenWord; mWordComposer = wordComposer; } public CharSequence getChosenWord() { return mChosenWord; } public CharSequence getOriginalWord() { return mWordComposer.getTypedWord(); } public SuggestedWords.Builder getAlternatives() { return getTypedSuggestions(mWordComposer); } @Override public int hashCode() { return mChosenWord.hashCode(); } @Override public boolean equals(Object o) { return o instanceof CharSequence && TextUtils.equals(mChosenWord, (CharSequence)o); } } public final UIHandler mHandler = new UIHandler(); public class UIHandler extends Handler { private static final int MSG_UPDATE_SUGGESTIONS = 0; private static final int MSG_UPDATE_OLD_SUGGESTIONS = 1; private static final int MSG_UPDATE_SHIFT_STATE = 2; private static final int MSG_VOICE_RESULTS = 3; private static final int MSG_FADEOUT_LANGUAGE_ON_SPACEBAR = 4; private static final int MSG_DISMISS_LANGUAGE_ON_SPACEBAR = 5; private static final int MSG_SPACE_TYPED = 6; @Override public void handleMessage(Message msg) { final KeyboardSwitcher switcher = mKeyboardSwitcher; final LatinKeyboardView inputView = switcher.getInputView(); switch (msg.what) { case MSG_UPDATE_SUGGESTIONS: updateSuggestions(); break; case MSG_UPDATE_OLD_SUGGESTIONS: setOldSuggestions(); break; case MSG_UPDATE_SHIFT_STATE: switcher.updateShiftState(); break; case MSG_VOICE_RESULTS: mVoiceProxy.handleVoiceResults(preferCapitalization() || (switcher.isAlphabetMode() && switcher.isShiftedOrShiftLocked())); break; case MSG_FADEOUT_LANGUAGE_ON_SPACEBAR: if (inputView != null) inputView.setSpacebarTextFadeFactor( (1.0f + mConfigFinalFadeoutFactorOfLanguageOnSpacebar) / 2, (LatinKeyboard)msg.obj); sendMessageDelayed(obtainMessage(MSG_DISMISS_LANGUAGE_ON_SPACEBAR, msg.obj), mConfigDurationOfFadeoutLanguageOnSpacebar); break; case MSG_DISMISS_LANGUAGE_ON_SPACEBAR: if (inputView != null) inputView.setSpacebarTextFadeFactor( mConfigFinalFadeoutFactorOfLanguageOnSpacebar, (LatinKeyboard)msg.obj); break; } } public void postUpdateSuggestions() { removeMessages(MSG_UPDATE_SUGGESTIONS); sendMessageDelayed(obtainMessage(MSG_UPDATE_SUGGESTIONS), DELAY_UPDATE_SUGGESTIONS); } public void cancelUpdateSuggestions() { removeMessages(MSG_UPDATE_SUGGESTIONS); } public boolean hasPendingUpdateSuggestions() { return hasMessages(MSG_UPDATE_SUGGESTIONS); } public void postUpdateOldSuggestions() { removeMessages(MSG_UPDATE_OLD_SUGGESTIONS); sendMessageDelayed(obtainMessage(MSG_UPDATE_OLD_SUGGESTIONS), DELAY_UPDATE_OLD_SUGGESTIONS); } public void cancelUpdateOldSuggestions() { removeMessages(MSG_UPDATE_OLD_SUGGESTIONS); } public void postUpdateShiftKeyState() { removeMessages(MSG_UPDATE_SHIFT_STATE); sendMessageDelayed(obtainMessage(MSG_UPDATE_SHIFT_STATE), DELAY_UPDATE_SHIFT_STATE); } public void cancelUpdateShiftState() { removeMessages(MSG_UPDATE_SHIFT_STATE); } public void updateVoiceResults() { sendMessage(obtainMessage(MSG_VOICE_RESULTS)); } public void startDisplayLanguageOnSpacebar(boolean localeChanged) { removeMessages(MSG_FADEOUT_LANGUAGE_ON_SPACEBAR); removeMessages(MSG_DISMISS_LANGUAGE_ON_SPACEBAR); final LatinKeyboardView inputView = mKeyboardSwitcher.getInputView(); if (inputView != null) { final LatinKeyboard keyboard = mKeyboardSwitcher.getLatinKeyboard(); // The language is never displayed when the delay is zero. if (mConfigDelayBeforeFadeoutLanguageOnSpacebar != 0) inputView.setSpacebarTextFadeFactor(localeChanged ? 1.0f : mConfigFinalFadeoutFactorOfLanguageOnSpacebar, keyboard); // The language is always displayed when the delay is negative. if (localeChanged && mConfigDelayBeforeFadeoutLanguageOnSpacebar > 0) { sendMessageDelayed(obtainMessage(MSG_FADEOUT_LANGUAGE_ON_SPACEBAR, keyboard), mConfigDelayBeforeFadeoutLanguageOnSpacebar); } } } public void startDoubleSpacesTimer() { removeMessages(MSG_SPACE_TYPED); sendMessageDelayed(obtainMessage(MSG_SPACE_TYPED), mConfigDoubleSpacesTurnIntoPeriodTimeout); } public void cancelDoubleSpacesTimer() { removeMessages(MSG_SPACE_TYPED); } public boolean isAcceptingDoubleSpaces() { return hasMessages(MSG_SPACE_TYPED); } } @Override public void onCreate() { final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); mPrefs = prefs; LatinImeLogger.init(this, prefs); LanguageSwitcherProxy.init(this, prefs); SubtypeSwitcher.init(this, prefs); KeyboardSwitcher.init(this, prefs); AccessibilityUtils.init(this, prefs); super.onCreate(); mImm = InputMethodManagerCompatWrapper.getInstance(this); mInputMethodId = Utils.getInputMethodId(mImm, getPackageName()); mSubtypeSwitcher = SubtypeSwitcher.getInstance(); mKeyboardSwitcher = KeyboardSwitcher.getInstance(); mAccessibilityUtils = AccessibilityUtils.getInstance(); final Resources res = getResources(); mResources = res; // If the option should not be shown, do not read the recorrection preference // but always use the default setting defined in the resources. if (res.getBoolean(R.bool.config_enable_show_recorrection_option)) { mRecorrectionEnabled = prefs.getBoolean(Settings.PREF_RECORRECTION_ENABLED, res.getBoolean(R.bool.config_default_recorrection_enabled)); } else { mRecorrectionEnabled = res.getBoolean(R.bool.config_default_recorrection_enabled); } mConfigEnableShowSubtypeSettings = res.getBoolean( R.bool.config_enable_show_subtype_settings); mConfigSwipeDownDismissKeyboardEnabled = res.getBoolean( R.bool.config_swipe_down_dismiss_keyboard_enabled); mConfigDelayBeforeFadeoutLanguageOnSpacebar = res.getInteger( R.integer.config_delay_before_fadeout_language_on_spacebar); mConfigDurationOfFadeoutLanguageOnSpacebar = res.getInteger( R.integer.config_duration_of_fadeout_language_on_spacebar); mConfigFinalFadeoutFactorOfLanguageOnSpacebar = res.getInteger( R.integer.config_final_fadeout_percentage_of_language_on_spacebar) / 100.0f; mConfigDoubleSpacesTurnIntoPeriodTimeout = res.getInteger( R.integer.config_double_spaces_turn_into_period_timeout); Utils.GCUtils.getInstance().reset(); boolean tryGC = true; for (int i = 0; i < Utils.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) { try { initSuggest(); tryGC = false; } catch (OutOfMemoryError e) { tryGC = Utils.GCUtils.getInstance().tryGCOrWait("InitSuggest", e); } } mOrientation = res.getConfiguration().orientation; initSuggestPuncList(); // Register to receive ringer mode change and network state change. // Also receive installation and removal of a dictionary pack. final IntentFilter filter = new IntentFilter(); filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION); filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); registerReceiver(mReceiver, filter); mVoiceProxy = VoiceProxy.init(this, prefs, mHandler); final IntentFilter packageFilter = new IntentFilter(); packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED); packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); packageFilter.addDataScheme(SCHEME_PACKAGE); registerReceiver(mDictionaryPackInstallReceiver, packageFilter); final IntentFilter newDictFilter = new IntentFilter(); newDictFilter.addAction( DictionaryPackInstallBroadcastReceiver.NEW_DICTIONARY_INTENT_ACTION); registerReceiver(mDictionaryPackInstallReceiver, newDictFilter); } private void initSuggest() { final String localeStr = mSubtypeSwitcher.getInputLocaleStr(); final Locale keyboardLocale = new Locale(localeStr); final Locale savedLocale = mSubtypeSwitcher.changeSystemLocale(keyboardLocale); if (mSuggest != null) { mSuggest.close(); } final SharedPreferences prefs = mPrefs; mQuickFixes = isQuickFixesEnabled(prefs); final Resources res = mResources; int mainDicResId = Utils.getMainDictionaryResourceId(res); mSuggest = new Suggest(this, mainDicResId, keyboardLocale); loadAndSetAutoCorrectionThreshold(prefs); updateAutoTextEnabled(); mUserDictionary = new UserDictionary(this, localeStr); mSuggest.setUserDictionary(mUserDictionary); mContactsDictionary = new ContactsDictionary(this, Suggest.DIC_CONTACTS); mSuggest.setContactsDictionary(mContactsDictionary); mAutoDictionary = new AutoDictionary(this, this, localeStr, Suggest.DIC_AUTO); mSuggest.setAutoDictionary(mAutoDictionary); mUserBigramDictionary = new UserBigramDictionary(this, this, localeStr, Suggest.DIC_USER); mSuggest.setUserBigramDictionary(mUserBigramDictionary); updateCorrectionMode(); mWordSeparators = res.getString(R.string.word_separators); mSentenceSeparators = res.getString(R.string.sentence_separators); mSubtypeSwitcher.changeSystemLocale(savedLocale); } /* package private */ void resetSuggestMainDict() { final String localeStr = mSubtypeSwitcher.getInputLocaleStr(); final Locale keyboardLocale = new Locale(localeStr); int mainDicResId = Utils.getMainDictionaryResourceId(mResources); mSuggest.resetMainDict(this, mainDicResId, keyboardLocale); } @Override public void onDestroy() { if (mSuggest != null) { mSuggest.close(); mSuggest = null; } unregisterReceiver(mReceiver); unregisterReceiver(mDictionaryPackInstallReceiver); mVoiceProxy.destroy(); LatinImeLogger.commit(); LatinImeLogger.onDestroy(); super.onDestroy(); } @Override public void onConfigurationChanged(Configuration conf) { mSubtypeSwitcher.onConfigurationChanged(conf); // 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; if (isShowingOptionDialog()) mOptionsDialog.dismiss(); } mConfigurationChanging = true; super.onConfigurationChanged(conf); mVoiceProxy.onConfigurationChanged(conf); mConfigurationChanging = false; // This will work only when the subtype is not supported. LanguageSwitcherProxy.onConfigurationChanged(conf); } @Override public View onCreateInputView() { return mKeyboardSwitcher.onCreateInputView(); } @Override public View onCreateCandidatesView() { LayoutInflater inflater = getLayoutInflater(); LinearLayout container = (LinearLayout)inflater.inflate(R.layout.candidates, null); mCandidateViewContainer = container; mCandidateStripHeight = (int)mResources.getDimension(R.dimen.candidate_strip_height); mCandidateView = (CandidateView) container.findViewById(R.id.candidates); mCandidateView.setService(this); setCandidatesViewShown(true); return container; } @Override public void onStartInputView(EditorInfo attribute, boolean restarting) { final KeyboardSwitcher switcher = mKeyboardSwitcher; LatinKeyboardView inputView = switcher.getInputView(); if(DEBUG) { Log.d(TAG, "onStartInputView: " + inputView); } // In landscape mode, this method gets called without the input view being created. if (inputView == null) { return; } mSubtypeSwitcher.updateParametersOnStartInputView(); TextEntryState.reset(); // Most such things we decide below in initializeInputAttributesAndGetMode, but we need to // know now whether this is a password text field, because we need to know now whether we // want to enable the voice button. final VoiceProxy voiceIme = mVoiceProxy; voiceIme.resetVoiceStates(InputTypeCompatUtils.isPasswordInputType(attribute.inputType) || InputTypeCompatUtils.isVisiblePasswordInputType(attribute.inputType)); initializeInputAttributes(attribute); inputView.closing(); mEnteredText = null; mComposing.setLength(0); mHasValidSuggestions = false; mDeleteCount = 0; mJustAddedAutoSpace = false; loadSettings(attribute); if (mSubtypeSwitcher.isKeyboardMode()) { switcher.loadKeyboard(attribute, mSubtypeSwitcher.isShortcutImeEnabled() && voiceIme.isVoiceButtonEnabled(), voiceIme.isVoiceButtonOnPrimary()); switcher.updateShiftState(); } setCandidatesViewShownInternal(isCandidateStripVisible(), false /* needsInputViewShown */ ); // Delay updating suggestions because keyboard input view may not be shown at this point. mHandler.postUpdateSuggestions(); updateCorrectionMode(); final boolean accessibilityEnabled = mAccessibilityUtils.isAccessibilityEnabled(); inputView.setKeyPreviewEnabled(mPopupOn); inputView.setProximityCorrectionEnabled(true); inputView.setAccessibilityEnabled(accessibilityEnabled); // If we just entered a text field, maybe it has some old text that requires correction checkRecorrectionOnStart(); inputView.setForeground(true); voiceIme.onStartInputView(inputView.getWindowToken()); if (TRACE) Debug.startMethodTracing("/data/trace/latinime"); } private void initializeInputAttributes(EditorInfo attribute) { if (attribute == null) return; final int inputType = attribute.inputType; final int variation = inputType & InputType.TYPE_MASK_VARIATION; mAutoSpace = false; mInputTypeNoAutoCorrect = false; mIsSettingsSuggestionStripOn = false; mApplicationSpecifiedCompletionOn = false; mApplicationSpecifiedCompletions = null; if ((inputType & InputType.TYPE_MASK_CLASS) == InputType.TYPE_CLASS_TEXT) { mIsSettingsSuggestionStripOn = true; // Make sure that passwords are not displayed in candidate view if (InputTypeCompatUtils.isPasswordInputType(inputType) || InputTypeCompatUtils.isVisiblePasswordInputType(inputType)) { mIsSettingsSuggestionStripOn = false; } if (InputTypeCompatUtils.isEmailVariation(variation) || variation == InputType.TYPE_TEXT_VARIATION_PERSON_NAME) { mAutoSpace = false; } else { mAutoSpace = true; } if (InputTypeCompatUtils.isEmailVariation(variation)) { mIsSettingsSuggestionStripOn = false; } else if (variation == InputType.TYPE_TEXT_VARIATION_URI) { mIsSettingsSuggestionStripOn = false; } else if (variation == InputType.TYPE_TEXT_VARIATION_FILTER) { mIsSettingsSuggestionStripOn = false; } else if (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) { // If it's a browser edit field and auto correct is not ON explicitly, then // disable auto correction, but keep suggestions on. if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0) { mInputTypeNoAutoCorrect = true; } } // If NO_SUGGESTIONS is set, don't do prediction. if ((inputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) != 0) { mIsSettingsSuggestionStripOn = false; mInputTypeNoAutoCorrect = true; } // If it's not multiline and the autoCorrect flag is not set, then don't correct if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0 && (inputType & InputType.TYPE_TEXT_FLAG_MULTI_LINE) == 0) { mInputTypeNoAutoCorrect = true; } if ((inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) { mIsSettingsSuggestionStripOn = false; mApplicationSpecifiedCompletionOn = isFullscreenMode(); } } } private void checkRecorrectionOnStart() { if (!mRecorrectionEnabled) return; final InputConnection ic = getCurrentInputConnection(); if (ic == null) return; // There could be a pending composing span. Clean it up first. ic.finishComposingText(); if (isShowingSuggestionsStrip() && isSuggestionsRequested()) { // First get the cursor position. This is required by setOldSuggestions(), so that // it can pass the correct range to setComposingRegion(). At this point, we don't // have valid values for mLastSelectionStart/End because onUpdateSelection() has // not been called yet. ExtractedTextRequest etr = new ExtractedTextRequest(); etr.token = 0; // anything is fine here ExtractedText et = ic.getExtractedText(etr, 0); if (et == null) return; mLastSelectionStart = et.startOffset + et.selectionStart; mLastSelectionEnd = et.startOffset + et.selectionEnd; // Then look for possible corrections in a delayed fashion if (!TextUtils.isEmpty(et.text) && isCursorTouchingWord()) { mHandler.postUpdateOldSuggestions(); } } } @Override public void onFinishInput() { super.onFinishInput(); LatinImeLogger.commit(); mKeyboardSwitcher.onAutoCorrectionStateChanged(false); mVoiceProxy.flushVoiceInputLogs(mConfigurationChanging); KeyboardView inputView = mKeyboardSwitcher.getInputView(); if (inputView != null) inputView.closing(); if (mAutoDictionary != null) mAutoDictionary.flushPendingWrites(); if (mUserBigramDictionary != null) mUserBigramDictionary.flushPendingWrites(); } @Override public void onFinishInputView(boolean finishingInput) { super.onFinishInputView(finishingInput); KeyboardView inputView = mKeyboardSwitcher.getInputView(); if (inputView != null) inputView.setForeground(false); // Remove pending messages related to update suggestions mHandler.cancelUpdateSuggestions(); mHandler.cancelUpdateOldSuggestions(); } @Override public void onUpdateExtractedText(int token, ExtractedText text) { super.onUpdateExtractedText(token, text); mVoiceProxy.showPunctuationHintIfNecessary(); } @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 + ", lss=" + mLastSelectionStart + ", lse=" + mLastSelectionEnd + ", nss=" + newSelStart + ", nse=" + newSelEnd + ", cs=" + candidatesStart + ", ce=" + candidatesEnd); } mVoiceProxy.setCursorAndSelection(newSelEnd, newSelStart); // If the current selection in the text view changes, we should // clear whatever candidate text we have. final boolean selectionChanged = (newSelStart != candidatesEnd || newSelEnd != candidatesEnd) && mLastSelectionStart != newSelStart; final boolean candidatesCleared = candidatesStart == -1 && candidatesEnd == -1; if (((mComposing.length() > 0 && mHasValidSuggestions) || mVoiceProxy.isVoiceInputHighlighted()) && (selectionChanged || candidatesCleared)) { if (candidatesCleared) { // If the composing span has been cleared, save the typed word in the history for // recorrection before we reset the candidate strip. Then, we'll be able to show // suggestions for recorrection right away. saveWordInHistory(mComposing); } mComposing.setLength(0); mHasValidSuggestions = false; mHandler.postUpdateSuggestions(); TextEntryState.reset(); InputConnection ic = getCurrentInputConnection(); if (ic != null) { ic.finishComposingText(); } mVoiceProxy.setVoiceInputHighlighted(false); } else if (!mHasValidSuggestions && !mJustAccepted) { if (TextEntryState.isAcceptedDefault() || TextEntryState.isSpaceAfterPicked()) { if (TextEntryState.isAcceptedDefault()) TextEntryState.reset(); mJustAddedAutoSpace = false; // The user moved the cursor. } } mJustAccepted = false; mHandler.postUpdateShiftKeyState(); // Make a note of the cursor position mLastSelectionStart = newSelStart; mLastSelectionEnd = newSelEnd; if (mRecorrectionEnabled && isShowingSuggestionsStrip()) { // Don't look for corrections if the keyboard is not visible if (mKeyboardSwitcher.isInputViewShown()) { // Check if we should go in or out of correction mode. if (isSuggestionsRequested() && (candidatesStart == candidatesEnd || newSelStart != oldSelStart || TextEntryState.isRecorrecting()) && (newSelStart < newSelEnd - 1 || !mHasValidSuggestions)) { if (isCursorTouchingWord() || mLastSelectionStart < mLastSelectionEnd) { mHandler.postUpdateOldSuggestions(); } else { abortRecorrection(false); // Show the punctuation suggestions list if the current one is not // and if not showing "Touch again to save". if (mCandidateView != null && !isShowingPunctuationList() && !mCandidateView.isShowingAddToDictionaryHint()) { setPunctuationSuggestions(); } } } } } } /** * This is called when the user has clicked on the extracted text view, * when running in fullscreen mode. The default implementation hides * the candidates view when this happens, but only if the extracted text * editor has a vertical scroll bar because its text doesn't fit. * Here we override the behavior due to the possibility that a re-correction could * cause the candidate strip to disappear and re-appear. */ @Override public void onExtractedTextClicked() { if (mRecorrectionEnabled && isSuggestionsRequested()) return; super.onExtractedTextClicked(); } /** * This is called when the user has performed a cursor movement in the * extracted text view, when it is running in fullscreen mode. The default * implementation hides the candidates view when a vertical movement * happens, but only if the extracted text editor has a vertical scroll bar * because its text doesn't fit. * Here we override the behavior due to the possibility that a re-correction could * cause the candidate strip to disappear and re-appear. */ @Override public void onExtractedCursorMovement(int dx, int dy) { if (mRecorrectionEnabled && isSuggestionsRequested()) return; super.onExtractedCursorMovement(dx, dy); } @Override public void hideWindow() { LatinImeLogger.commit(); mKeyboardSwitcher.onAutoCorrectionStateChanged(false); if (TRACE) Debug.stopMethodTracing(); if (mOptionsDialog != null && mOptionsDialog.isShowing()) { mOptionsDialog.dismiss(); mOptionsDialog = null; } mVoiceProxy.hideVoiceWindow(mConfigurationChanging); mWordHistory.clear(); super.hideWindow(); } @Override public void onDisplayCompletions(CompletionInfo[] applicationSpecifiedCompletions) { if (DEBUG) { Log.i(TAG, "Received completions:"); if (applicationSpecifiedCompletions != null) { for (int i = 0; i < applicationSpecifiedCompletions.length; i++) { Log.i(TAG, " #" + i + ": " + applicationSpecifiedCompletions[i]); } } } if (mApplicationSpecifiedCompletionOn) { mApplicationSpecifiedCompletions = applicationSpecifiedCompletions; if (applicationSpecifiedCompletions == null) { clearSuggestions(); return; } SuggestedWords.Builder builder = new SuggestedWords.Builder() .setApplicationSpecifiedCompletions(applicationSpecifiedCompletions) .setTypedWordValid(true) .setHasMinimalSuggestion(true); // When in fullscreen mode, show completions generated by the application setSuggestions(builder.build()); mBestWord = null; setCandidatesViewShown(true); } } private void setCandidatesViewShownInternal(boolean shown, boolean needsInputViewShown) { // TODO: Modify this if we support candidates with hard keyboard if (onEvaluateInputViewShown()) { final boolean shouldShowCandidates = shown && (needsInputViewShown ? mKeyboardSwitcher.isInputViewShown() : true); if (isExtractViewShown()) { // No need to have extra space to show the key preview. mCandidateViewContainer.setMinimumHeight(0); super.setCandidatesViewShown(shown); } else { // We must control the visibility of the suggestion strip in order to avoid clipped // key previews, even when we don't show the suggestion strip. mCandidateViewContainer.setVisibility( shouldShowCandidates ? View.VISIBLE : View.INVISIBLE); super.setCandidatesViewShown(true); } } } @Override public void setCandidatesViewShown(boolean shown) { setCandidatesViewShownInternal(shown, true /* needsInputViewShown */ ); } @Override public void onComputeInsets(InputMethodService.Insets outInsets) { super.onComputeInsets(outInsets); final KeyboardView inputView = mKeyboardSwitcher.getInputView(); // Need to set touchable region only if input view is being shown if (inputView != null && mKeyboardSwitcher.isInputViewShown()) { final int containerHeight = mCandidateViewContainer.getHeight(); int touchY = containerHeight; if (mCandidateViewContainer.getVisibility() == View.VISIBLE) { touchY -= mCandidateStripHeight; } outInsets.contentTopInsets = touchY; outInsets.visibleTopInsets = touchY; final int touchWidth = inputView.getWidth(); final int touchHeight = inputView.getHeight() + containerHeight // Extend touchable region below the keyboard. + EXTENDED_TOUCHABLE_REGION_HEIGHT; if (DEBUG) { Log.d(TAG, "Touchable region: y=" + touchY + " width=" + touchWidth + " height=" + touchHeight); } setTouchableRegionCompat(outInsets, 0, touchY, touchWidth, touchHeight); } } @Override public boolean onEvaluateFullscreenMode() { final Resources res = mResources; DisplayMetrics dm = res.getDisplayMetrics(); float displayHeight = dm.heightPixels; // If the display is more than X inches high, don't go to fullscreen mode float dimen = res.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; } } 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: // Enable shift key and DPAD to do selections if (mKeyboardSwitcher.isInputViewShown() && mKeyboardSwitcher.isShiftedOrShiftLocked()) { KeyEvent newEvent = 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(newEvent); return true; } break; } return super.onKeyUp(keyCode, event); } public void commitTyped(InputConnection inputConnection) { if (mHasValidSuggestions) { mHasValidSuggestions = false; if (mComposing.length() > 0) { if (inputConnection != null) { inputConnection.commitText(mComposing, 1); } mCommittedLength = mComposing.length(); TextEntryState.acceptedTyped(mComposing); addToAutoAndUserBigramDictionaries(mComposing, AutoDictionary.FREQUENCY_FOR_TYPED); } updateSuggestions(); } } public boolean getCurrentAutoCapsState() { InputConnection ic = getCurrentInputConnection(); EditorInfo ei = getCurrentInputEditorInfo(); if (mAutoCap && ic != null && ei != null && ei.inputType != InputType.TYPE_NULL) { return ic.getCursorCapsMode(ei.inputType) != 0; } return false; } 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) == Keyboard.CODE_SPACE && isSentenceSeparator(lastTwo.charAt(1))) { ic.beginBatchEdit(); ic.deleteSurroundingText(2, 0); ic.commitText(lastTwo.charAt(1) + " ", 1); ic.endBatchEdit(); mKeyboardSwitcher.updateShiftState(); 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) == Keyboard.CODE_PERIOD && lastThree.charAt(1) == Keyboard.CODE_SPACE && lastThree.charAt(2) == Keyboard.CODE_PERIOD) { ic.beginBatchEdit(); ic.deleteSurroundingText(3, 0); ic.commitText(" ..", 1); ic.endBatchEdit(); mKeyboardSwitcher.updateShiftState(); } } private void doubleSpace() { 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) == Keyboard.CODE_SPACE && lastThree.charAt(2) == Keyboard.CODE_SPACE && mHandler.isAcceptingDoubleSpaces()) { mHandler.cancelDoubleSpacesTimer(); ic.beginBatchEdit(); ic.deleteSurroundingText(2, 0); ic.commitText(". ", 1); ic.endBatchEdit(); mKeyboardSwitcher.updateShiftState(); mJustAddedAutoSpace = true; } else { mHandler.startDoubleSpacesTimer(); } } 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) == Keyboard.CODE_PERIOD && text.charAt(0) == Keyboard.CODE_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) == Keyboard.CODE_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 mHandler.postUpdateSuggestions(); return true; } private boolean isAlphabet(int code) { if (Character.isLetter(code)) { return true; } else { return false; } } private void onSettingsKeyPressed() { if (!isShowingOptionDialog()) { if (!mConfigEnableShowSubtypeSettings) { showSubtypeSelectorAndSettings(); } else if (Utils.hasMultipleEnabledIMEsOrSubtypes(mImm)) { showOptionsMenu(); } else { launchSettings(); } } } private void onSettingsKeyLongPressed() { if (!isShowingOptionDialog()) { if (Utils.hasMultipleEnabledIMEsOrSubtypes(mImm)) { mImm.showInputMethodPicker(); } else { launchSettings(); } } } private boolean isShowingOptionDialog() { return mOptionsDialog != null && mOptionsDialog.isShowing(); } // Implementation of {@link KeyboardActionListener}. @Override public void onCodeInput(int primaryCode, int[] keyCodes, int x, int y) { long when = SystemClock.uptimeMillis(); if (primaryCode != Keyboard.CODE_DELETE || when > mLastKeyTime + QUICK_PRESS) { mDeleteCount = 0; } mLastKeyTime = when; KeyboardSwitcher switcher = mKeyboardSwitcher; final boolean accessibilityEnabled = switcher.isAccessibilityEnabled(); final boolean distinctMultiTouch = switcher.hasDistinctMultitouch(); switch (primaryCode) { case Keyboard.CODE_DELETE: handleBackspace(); mDeleteCount++; LatinImeLogger.logOnDelete(); break; case Keyboard.CODE_SHIFT: // Shift key is handled in onPress() when device has distinct multi-touch panel. if (!distinctMultiTouch || accessibilityEnabled) switcher.toggleShift(); break; case Keyboard.CODE_SWITCH_ALPHA_SYMBOL: // Symbol key is handled in onPress() when device has distinct multi-touch panel. if (!distinctMultiTouch || accessibilityEnabled) switcher.changeKeyboardMode(); break; case Keyboard.CODE_CANCEL: if (!isShowingOptionDialog()) { handleClose(); } break; case Keyboard.CODE_SETTINGS: onSettingsKeyPressed(); break; case Keyboard.CODE_SETTINGS_LONGPRESS: onSettingsKeyLongPressed(); break; case Keyboard.CODE_NEXT_LANGUAGE: toggleLanguage(true); break; case Keyboard.CODE_PREV_LANGUAGE: toggleLanguage(false); break; case Keyboard.CODE_CAPSLOCK: switcher.toggleCapsLock(); break; case Keyboard.CODE_VOICE: mSubtypeSwitcher.switchToShortcutIME(); break; case Keyboard.CODE_TAB: handleTab(); break; default: if (primaryCode != Keyboard.CODE_ENTER) { mJustAddedAutoSpace = false; } if (isWordSeparator(primaryCode)) { handleSeparator(primaryCode, x, y); } else { handleCharacter(primaryCode, keyCodes, x, y); } } switcher.onKey(primaryCode); // Reset after any single keystroke mEnteredText = null; } @Override public void onTextInput(CharSequence text) { mVoiceProxy.commitVoiceInput(); InputConnection ic = getCurrentInputConnection(); if (ic == null) return; abortRecorrection(false); ic.beginBatchEdit(); commitTyped(ic); maybeRemovePreviousPeriod(text); ic.commitText(text, 1); ic.endBatchEdit(); mKeyboardSwitcher.updateShiftState(); mKeyboardSwitcher.onKey(Keyboard.CODE_DUMMY); mJustAddedAutoSpace = false; mEnteredText = text; } @Override public void onCancelInput() { // User released a finger outside any key mKeyboardSwitcher.onCancelInput(); } private void handleBackspace() { if (mVoiceProxy.logAndRevertVoiceInput()) return; final InputConnection ic = getCurrentInputConnection(); if (ic == null) return; ic.beginBatchEdit(); mVoiceProxy.handleBackspace(); boolean deleteChar = false; if (mHasValidSuggestions) { final int length = mComposing.length(); if (length > 0) { mComposing.delete(length - 1, length); mWord.deleteLast(); ic.setComposingText(mComposing, 1); if (mComposing.length() == 0) { mHasValidSuggestions = false; } mHandler.postUpdateSuggestions(); } else { ic.deleteSurroundingText(1, 0); } } else { deleteChar = true; } mHandler.postUpdateShiftKeyState(); TextEntryState.backspace(); if (TextEntryState.isUndoCommit()) { revertLastWord(deleteChar); ic.endBatchEdit(); return; } 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 // "Touch 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); } } } ic.endBatchEdit(); } private void handleTab() { final int imeOptions = getCurrentInputEditorInfo().imeOptions; if (!EditorInfoCompatUtils.hasFlagNavigateNext(imeOptions) && !EditorInfoCompatUtils.hasFlagNavigatePrevious(imeOptions)) { sendDownUpKeyEvents(KeyEvent.KEYCODE_TAB); return; } final InputConnection ic = getCurrentInputConnection(); if (ic == null) return; // True if keyboard is in either chording shift or manual temporary upper case mode. final boolean isManualTemporaryUpperCase = mKeyboardSwitcher.isManualTemporaryUpperCase(); if (EditorInfoCompatUtils.hasFlagNavigateNext(imeOptions) && !isManualTemporaryUpperCase) { EditorInfoCompatUtils.performEditorActionNext(ic); ic.performEditorAction(EditorInfo.IME_ACTION_NEXT); } else if (EditorInfoCompatUtils.hasFlagNavigatePrevious(imeOptions) && isManualTemporaryUpperCase) { EditorInfoCompatUtils.performEditorActionPrevious(ic); } } private void abortRecorrection(boolean force) { if (force || TextEntryState.isRecorrecting()) { TextEntryState.onAbortRecorrection(); setCandidatesViewShown(isCandidateStripVisible()); getCurrentInputConnection().finishComposingText(); clearSuggestions(); } } private void handleCharacter(int primaryCode, int[] keyCodes, int x, int y) { mVoiceProxy.handleCharacter(); if (mLastSelectionStart == mLastSelectionEnd && TextEntryState.isRecorrecting()) { abortRecorrection(false); } int code = primaryCode; if (isAlphabet(code) && isSuggestionsRequested() && !isCursorTouchingWord()) { if (!mHasValidSuggestions) { mHasValidSuggestions = true; mComposing.setLength(0); saveWordInHistory(mBestWord); mWord.reset(); clearSuggestions(); } } KeyboardSwitcher switcher = mKeyboardSwitcher; if (switcher.isShiftedOrShiftLocked()) { if (keyCodes == null || keyCodes[0] < Character.MIN_CODE_POINT || keyCodes[0] > Character.MAX_CODE_POINT) { return; } code = keyCodes[0]; if (switcher.isAlphabetMode() && Character.isLowerCase(code)) { int upperCaseCode = Character.toUpperCase(code); if (upperCaseCode != code) { code = upperCaseCode; } else { // Some keys, such as [eszett], have upper case as multi-characters. String upperCase = new String(new int[] {code}, 0, 1).toUpperCase(); onTextInput(upperCase); return; } } } if (mHasValidSuggestions) { if (mComposing.length() == 0 && switcher.isAlphabetMode() && switcher.isShiftedOrShiftLocked()) { mWord.setFirstCharCapitalized(true); } mComposing.append((char) code); mWord.add(code, keyCodes, x, y); InputConnection ic = getCurrentInputConnection(); if (ic != null) { // If it's the first letter, make note of auto-caps state if (mWord.size() == 1) { mWord.setAutoCapitalized(getCurrentAutoCapsState()); } ic.setComposingText(mComposing, 1); } mHandler.postUpdateSuggestions(); } else { sendKeyChar((char)code); } switcher.updateShiftState(); if (LatinIME.PERF_DEBUG) measureCps(); TextEntryState.typedCharacter((char) code, isWordSeparator(code), x, y); } private void handleSeparator(int primaryCode, int x, int y) { mVoiceProxy.handleSeparator(); // Should dismiss the "Touch again to save" message when handling separator if (mCandidateView != null && mCandidateView.dismissAddToDictionaryHint()) { mHandler.postUpdateSuggestions(); } boolean pickedDefault = false; // Handle separator final InputConnection ic = getCurrentInputConnection(); if (ic != null) { ic.beginBatchEdit(); abortRecorrection(false); } if (mHasValidSuggestions) { // 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 != '\'') { pickedDefault = pickDefaultSuggestion(primaryCode); // Picked the suggestion by the space key. We consider this // as "added an auto space". if (primaryCode == Keyboard.CODE_SPACE) { mJustAddedAutoSpace = true; } } else { commitTyped(ic); } } if (mJustAddedAutoSpace && primaryCode == Keyboard.CODE_ENTER) { removeTrailingSpace(); mJustAddedAutoSpace = false; } sendKeyChar((char)primaryCode); // Handle the case of ". ." -> " .." with auto-space if necessary // before changing the TextEntryState. if (TextEntryState.isPunctuationAfterAccepted() && primaryCode == Keyboard.CODE_PERIOD) { reswapPeriodAndSpace(); } TextEntryState.typedCharacter((char) primaryCode, true, x, y); if (TextEntryState.isPunctuationAfterAccepted() && primaryCode != Keyboard.CODE_ENTER) { swapPunctuationAndSpace(); } else if (isSuggestionsRequested() && primaryCode == Keyboard.CODE_SPACE) { doubleSpace(); } if (pickedDefault) { CharSequence typedWord = mWord.getTypedWord(); TextEntryState.backToAcceptedDefault(typedWord); if (!TextUtils.isEmpty(typedWord) && !typedWord.equals(mBestWord)) { InputConnectionCompatUtils.commitCorrection( ic, mLastSelectionEnd - typedWord.length(), typedWord, mBestWord); if (mCandidateView != null) mCandidateView.onAutoCorrectionInverted(mBestWord); } setPunctuationSuggestions(); } mKeyboardSwitcher.updateShiftState(); if (ic != null) { ic.endBatchEdit(); } } private void handleClose() { commitTyped(getCurrentInputConnection()); mVoiceProxy.handleClose(); requestHideSelf(0); LatinKeyboardView inputView = mKeyboardSwitcher.getInputView(); if (inputView != null) inputView.closing(); } private void saveWordInHistory(CharSequence result) { if (mWord.size() <= 1) { 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(); WordAlternatives entry = new WordAlternatives(resultCopy, new WordComposer(mWord)); mWordHistory.add(entry); } private boolean isSuggestionsRequested() { return mIsSettingsSuggestionStripOn && (mCorrectionMode > 0 || isShowingSuggestionsStrip()); } private boolean isShowingPunctuationList() { return mSuggestPuncList == mCandidateView.getSuggestions(); } private boolean isShowingSuggestionsStrip() { return (mSuggestionVisibility == SUGGESTION_VISIBILILTY_SHOW_VALUE) || (mSuggestionVisibility == SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE && mOrientation == Configuration.ORIENTATION_PORTRAIT); } private boolean isCandidateStripVisible() { if (mCandidateView == null) return false; if (mCandidateView.isShowingAddToDictionaryHint() || TextEntryState.isRecorrecting()) return true; if (!isShowingSuggestionsStrip()) return false; if (mApplicationSpecifiedCompletionOn) return true; return isSuggestionsRequested(); } public void switchToKeyboardView() { if (DEBUG) { Log.d(TAG, "Switch to keyboard view."); } View v = mKeyboardSwitcher.getInputView(); if (v != null) { // Confirms that the keyboard view doesn't have parent view. ViewParent p = v.getParent(); if (p != null && p instanceof ViewGroup) { ((ViewGroup) p).removeView(v); } setInputView(v); } setCandidatesViewShown(isCandidateStripVisible()); updateInputViewShown(); mHandler.postUpdateSuggestions(); } public void clearSuggestions() { setSuggestions(SuggestedWords.EMPTY); } public void setSuggestions(SuggestedWords words) { if (mVoiceProxy.getAndResetIsShowingHint()) { setCandidatesView(mCandidateViewContainer); } if (mCandidateView != null) { mCandidateView.setSuggestions(words); if (mCandidateView.isConfigCandidateHighlightFontColorEnabled()) { mKeyboardSwitcher.onAutoCorrectionStateChanged( words.hasWordAboveAutoCorrectionScoreThreshold()); } } } public void updateSuggestions() { // Check if we have a suggestion engine attached. if ((mSuggest == null || !isSuggestionsRequested()) && !mVoiceProxy.isVoiceInputHighlighted()) { return; } if (!mHasValidSuggestions) { setPunctuationSuggestions(); return; } showSuggestions(mWord); } private SuggestedWords.Builder getTypedSuggestions(WordComposer word) { return mSuggest.getSuggestedWordBuilder(mKeyboardSwitcher.getInputView(), word, null); } private void showCorrections(WordAlternatives alternatives) { SuggestedWords.Builder builder = alternatives.getAlternatives(); builder.setTypedWordValid(false).setHasMinimalSuggestion(false); showSuggestions(builder.build(), alternatives.getOriginalWord()); } private void showSuggestions(WordComposer word) { // TODO: May need a better way of retrieving previous word CharSequence prevWord = EditingUtils.getPreviousWord(getCurrentInputConnection(), mWordSeparators); SuggestedWords.Builder builder = mSuggest.getSuggestedWordBuilder( mKeyboardSwitcher.getInputView(), word, prevWord); boolean correctionAvailable = !mInputTypeNoAutoCorrect && mSuggest.hasAutoCorrection(); final CharSequence typedWord = word.getTypedWord(); // Here, we want to promote a whitelisted word if exists. final boolean typedWordValid = AutoCorrection.isValidWordForAutoCorrection( mSuggest.getUnigramDictionaries(), typedWord, preferCapitalization()); 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.isRecorrecting(); // Basically, we update the suggestion strip only when suggestion count > 1. However, // there is an exception: We update the suggestion strip whenever typed word's length // is 1 or typed word is found in dictionary, regardless of suggestion count. Actually, // in most cases, suggestion count is 1 when typed word's length is 1, but we do always // need to clear the previous state when the user starts typing a word (i.e. typed word's // length == 1). if (builder.size() > 1 || typedWord.length() == 1 || typedWordValid || mCandidateView.isShowingAddToDictionaryHint()) { builder.setTypedWordValid(typedWordValid).setHasMinimalSuggestion(correctionAvailable); } else { final SuggestedWords previousSuggestions = mCandidateView.getSuggestions(); if (previousSuggestions == mSuggestPuncList) return; builder.addTypedWordAndPreviousSuggestions(typedWord, previousSuggestions); } showSuggestions(builder.build(), typedWord); } private void showSuggestions(SuggestedWords suggestedWords, CharSequence typedWord) { setSuggestions(suggestedWords); if (suggestedWords.size() > 0) { if (Utils.shouldBlockedBySafetyNetForAutoCorrection(suggestedWords, mSuggest)) { mBestWord = typedWord; } else if (suggestedWords.hasAutoCorrectionWord()) { mBestWord = suggestedWords.getWord(1); } else { mBestWord = typedWord; } } else { mBestWord = null; } setCandidatesViewShown(isCandidateStripVisible()); } private boolean pickDefaultSuggestion(int separatorCode) { // Complete any pending candidate query first if (mHandler.hasPendingUpdateSuggestions()) { mHandler.cancelUpdateSuggestions(); updateSuggestions(); } if (mBestWord != null && mBestWord.length() > 0) { TextEntryState.acceptedDefault(mWord.getTypedWord(), mBestWord, separatorCode); mJustAccepted = true; pickSuggestion(mBestWord); // Add the word to the auto dictionary if it's not a known word addToAutoAndUserBigramDictionaries(mBestWord, AutoDictionary.FREQUENCY_FOR_TYPED); return true; } return false; } public void pickSuggestionManually(int index, CharSequence suggestion) { SuggestedWords suggestions = mCandidateView.getSuggestions(); mVoiceProxy.flushAndLogAllTextModificationCounters(index, suggestion, mWordSeparators); final boolean recorrecting = TextEntryState.isRecorrecting(); InputConnection ic = getCurrentInputConnection(); if (ic != null) { ic.beginBatchEdit(); } if (mApplicationSpecifiedCompletionOn && mApplicationSpecifiedCompletions != null && index >= 0 && index < mApplicationSpecifiedCompletions.length) { CompletionInfo ci = mApplicationSpecifiedCompletions[index]; if (ic != null) { ic.commitCompletion(ci); } mCommittedLength = suggestion.length(); if (mCandidateView != null) { mCandidateView.clear(); } mKeyboardSwitcher.updateShiftState(); 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.mWords); final char primaryCode = suggestion.charAt(0); onCodeInput(primaryCode, new int[] { primaryCode }, KeyboardActionListener.NOT_A_TOUCH_COORDINATE, KeyboardActionListener.NOT_A_TOUCH_COORDINATE); if (ic != null) { ic.endBatchEdit(); } return; } mJustAccepted = true; pickSuggestion(suggestion); // Add the word to the auto dictionary if it's not a known word if (index == 0) { addToAutoAndUserBigramDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED); } else { addToOnlyBigramDictionary(suggestion, 1); } LatinImeLogger.logOnManualSuggestion(mComposing.toString(), suggestion.toString(), index, suggestions.mWords); TextEntryState.acceptedSuggestion(mComposing.toString(), suggestion); // Follow it with a space if (mAutoSpace && !recorrecting) { sendSpace(); mJustAddedAutoSpace = true; } // We should show the hint if the user pressed the first entry AND either: // - There is no dictionary (we know that because we tried to load it => null != mSuggest // AND mHasDictionary is false) // - There is a dictionary and the word is not in it // Please note that if mSuggest is null, it means that everything is off: suggestion // and correction, so we shouldn't try to show the hint // We used to look at mCorrectionMode here, but showing the hint should have nothing // to do with the autocorrection setting. final boolean showingAddToDictionaryHint = index == 0 && mSuggest != null // If there is no dictionary the hint should be shown. && (!mHasDictionary // If "suggestion" is not in the dictionary, the hint should be shown. || !AutoCorrection.isValidWord( mSuggest.getUnigramDictionaries(), suggestion, true)); if (!recorrecting) { // 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) Keyboard.CODE_SPACE, true, WordComposer.NOT_A_COORDINATE, WordComposer.NOT_A_COORDINATE); setPunctuationSuggestions(); } else if (!showingAddToDictionaryHint) { // If we're not showing the "Touch again to save", then show corrections again. // In case the cursor position doesn't change, make sure we show the suggestions again. clearSuggestions(); mHandler.postUpdateOldSuggestions(); } if (showingAddToDictionaryHint) { mCandidateView.showAddToDictionaryHint(suggestion); } if (ic != null) { ic.endBatchEdit(); } } /** * 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 */ private void pickSuggestion(CharSequence suggestion) { KeyboardSwitcher switcher = mKeyboardSwitcher; if (!switcher.isKeyboardAvailable()) return; InputConnection ic = getCurrentInputConnection(); if (ic != null) { mVoiceProxy.rememberReplacedWord(suggestion, mWordSeparators); ic.commitText(suggestion, 1); } saveWordInHistory(suggestion); mHasValidSuggestions = false; mCommittedLength = suggestion.length(); } /** * 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(EditingUtils.SelectedWord touching) { // If we didn't find a match, search for result in typed word history WordComposer foundWord = null; WordAlternatives alternatives = null; // Search old suggestions to suggest re-corrected suggestions. for (WordAlternatives entry : mWordHistory) { if (TextUtils.equals(entry.getChosenWord(), touching.mWord)) { foundWord = entry.mWordComposer; alternatives = entry; break; } } // If we didn't find a match, at least suggest corrections as re-corrected suggestions. if (foundWord == null && (AutoCorrection.isValidWord( mSuggest.getUnigramDictionaries(), touching.mWord, true))) { foundWord = new WordComposer(); for (int i = 0; i < touching.mWord.length(); i++) { foundWord.add(touching.mWord.charAt(i), new int[] { touching.mWord.charAt(i) }, WordComposer.NOT_A_COORDINATE, WordComposer.NOT_A_COORDINATE); } foundWord.setFirstCharCapitalized(Character.isUpperCase(touching.mWord.charAt(0))); } // Found a match, show suggestions if (foundWord != null || alternatives != null) { if (alternatives == null) { alternatives = new WordAlternatives(touching.mWord, foundWord); } showCorrections(alternatives); if (foundWord != null) { mWord = new WordComposer(foundWord); } else { mWord.reset(); } return true; } return false; } private void setOldSuggestions() { if (!InputConnectionCompatUtils.RECORRECTION_SUPPORTED) return; mVoiceProxy.setShowingVoiceSuggestions(false); if (mCandidateView != null && mCandidateView.isShowingAddToDictionaryHint()) { return; } InputConnection ic = getCurrentInputConnection(); if (ic == null) return; if (!mHasValidSuggestions) { // Extract the selected or touching text EditingUtils.SelectedWord touching = EditingUtils.getWordAtCursorOrSelection(ic, mLastSelectionStart, mLastSelectionEnd, mWordSeparators); if (touching != null && touching.mWord.length() > 1) { ic.beginBatchEdit(); if (!mVoiceProxy.applyVoiceAlternatives(touching) && !applyTypedAlternatives(touching)) { abortRecorrection(true); } else { TextEntryState.selectedForRecorrection(); InputConnectionCompatUtils.underlineWord(ic, touching); } ic.endBatchEdit(); } else { abortRecorrection(true); setPunctuationSuggestions(); // Show the punctuation suggestions list } } else { abortRecorrection(true); } } private void setPunctuationSuggestions() { setSuggestions(mSuggestPuncList); setCandidatesViewShown(isCandidateStripVisible()); } private void addToAutoAndUserBigramDictionaries(CharSequence suggestion, int frequencyDelta) { checkAddToDictionary(suggestion, frequencyDelta, false); } private void addToOnlyBigramDictionary(CharSequence suggestion, int frequencyDelta) { checkAddToDictionary(suggestion, frequencyDelta, true); } /** * Adds to the UserBigramDictionary and/or AutoDictionary * @param selectedANotTypedWord true if it should be added to bigram dictionary if possible */ private void checkAddToDictionary(CharSequence suggestion, int frequencyDelta, boolean selectedANotTypedWord) { 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; } final boolean selectedATypedWordAndItsInAutoDic = !selectedANotTypedWord && mAutoDictionary.isValidWord(suggestion); final boolean isValidWord = AutoCorrection.isValidWord( mSuggest.getUnigramDictionaries(), suggestion, true); final boolean needsToAddToAutoDictionary = selectedATypedWordAndItsInAutoDic || !isValidWord; if (needsToAddToAutoDictionary) { mAutoDictionary.addWord(suggestion.toString(), frequencyDelta); } if (mUserBigramDictionary != null) { CharSequence prevWord = EditingUtils.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)) && !isSuggestedPunctuation(toLeft.charAt(0))) { return true; } if (!TextUtils.isEmpty(toRight) && !isWordSeparator(toRight.charAt(0)) && !isSuggestedPunctuation(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 (!mHasValidSuggestions && length > 0) { final InputConnection ic = getCurrentInputConnection(); final CharSequence punctuation = ic.getTextBeforeCursor(1, 0); if (deleteChar) ic.deleteSurroundingText(1, 0); int toDelete = mCommittedLength; final CharSequence toTheLeft = ic.getTextBeforeCursor(mCommittedLength, 0); if (!TextUtils.isEmpty(toTheLeft) && isWordSeparator(toTheLeft.charAt(0))) { toDelete--; } ic.deleteSurroundingText(toDelete, 0); // Re-insert punctuation only when the deleted character was word separator and the // composing text wasn't equal to the auto-corrected text. if (deleteChar && !TextUtils.isEmpty(punctuation) && isWordSeparator(punctuation.charAt(0)) && !TextUtils.equals(mComposing, toTheLeft)) { ic.commitText(mComposing, 1); TextEntryState.acceptedTyped(mComposing); ic.commitText(punctuation, 1); TextEntryState.typedCharacter(punctuation.charAt(0), true, WordComposer.NOT_A_COORDINATE, WordComposer.NOT_A_COORDINATE); // Clear composing text mComposing.setLength(0); } else { mHasValidSuggestions = true; ic.setComposingText(mComposing, 1); TextEntryState.backspace(); } mHandler.postUpdateSuggestions(); } else { sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL); } } 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)Keyboard.CODE_SPACE); mKeyboardSwitcher.updateShiftState(); } public boolean preferCapitalization() { return mWord.isFirstCharCapitalized(); } // Notify that language or mode have been changed and toggleLanguage will update KeyboardID // according to new language or mode. public void onRefreshKeyboard() { // Reload keyboard because the current language has been changed. mKeyboardSwitcher.loadKeyboard(getCurrentInputEditorInfo(), mSubtypeSwitcher.isShortcutImeEnabled() && mVoiceProxy.isVoiceButtonEnabled(), mVoiceProxy.isVoiceButtonOnPrimary()); initSuggest(); mKeyboardSwitcher.updateShiftState(); } // "reset" and "next" are used only for USE_SPACEBAR_LANGUAGE_SWITCHER. private void toggleLanguage(boolean next) { if (mSubtypeSwitcher.useSpacebarLanguageSwitcher()) { mSubtypeSwitcher.toggleLanguage(next); } onRefreshKeyboard();// no need?? } @Override public void onSwipeDown() { if (mConfigSwipeDownDismissKeyboardEnabled) handleClose(); } @Override public void onPress(int primaryCode, boolean withSliding) { if (mKeyboardSwitcher.isVibrateAndSoundFeedbackRequired()) { vibrate(); playKeyClick(primaryCode); } KeyboardSwitcher switcher = mKeyboardSwitcher; final boolean distinctMultiTouch = switcher.hasDistinctMultitouch(); if (distinctMultiTouch && primaryCode == Keyboard.CODE_SHIFT) { switcher.onPressShift(withSliding); } else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) { switcher.onPressSymbol(); } else { switcher.onOtherKeyPressed(); } mAccessibilityUtils.onPress(primaryCode, switcher); } @Override public void onRelease(int primaryCode, boolean withSliding) { KeyboardSwitcher switcher = mKeyboardSwitcher; // Reset any drag flags in the keyboard switcher.keyReleased(); final boolean distinctMultiTouch = switcher.hasDistinctMultitouch(); if (distinctMultiTouch && primaryCode == Keyboard.CODE_SHIFT) { switcher.onReleaseShift(withSliding); } else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) { switcher.onReleaseSymbol(); } mAccessibilityUtils.onRelease(primaryCode, switcher); } // receive ringer mode change and network state change. private BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); if (action.equals(AudioManager.RINGER_MODE_CHANGED_ACTION)) { updateRingerMode(); } else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) { mSubtypeSwitcher.onNetworkStateChanged(intent); } } }; // 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 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.CODE_DELETE: sound = AudioManager.FX_KEYPRESS_DELETE; break; case Keyboard.CODE_ENTER: sound = AudioManager.FX_KEYPRESS_RETURN; break; case Keyboard.CODE_SPACE: sound = AudioManager.FX_KEYPRESS_SPACEBAR; break; } mAudioManager.playSoundEffect(sound, FX_VOLUME); } } public void vibrate() { if (!mVibrateOn) { return; } LatinKeyboardView inputView = mKeyboardSwitcher.getInputView(); if (inputView != null) { inputView.performHapticFeedback( HapticFeedbackConstants.KEYBOARD_TAP, HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING); } } public void promoteToUserDictionary(String word, int frequency) { if (mUserDictionary.isValidWord(word)) return; mUserDictionary.addWord(word, frequency); } public WordComposer getCurrentWord() { return mWord; } public boolean getPopupOn() { return mPopupOn; } private void updateCorrectionMode() { // TODO: cleanup messy flags 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() { if (mSuggest == null) return; mSuggest.setQuickFixesEnabled(mQuickFixes && SubtypeSwitcher.getInstance().isSystemLanguageSameAsInputLanguage()); } private void updateSuggestionVisibility(SharedPreferences prefs) { final Resources res = mResources; final String suggestionVisiblityStr = prefs.getString( Settings.PREF_SHOW_SUGGESTIONS_SETTING, res.getString(R.string.prefs_suggestion_visibility_default_value)); for (int visibility : SUGGESTION_VISIBILITY_VALUE_ARRAY) { if (suggestionVisiblityStr.equals(res.getString(visibility))) { mSuggestionVisibility = visibility; break; } } } protected void launchSettings() { launchSettings(Settings.class); } public void launchDebugSettings() { launchSettings(DebugSettings.class); } protected void launchSettings(Class settingsClass) { handleClose(); Intent intent = new Intent(); intent.setClass(LatinIME.this, settingsClass); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } private void loadSettings(EditorInfo attribute) { // Get the settings preferences final SharedPreferences prefs = mPrefs; final boolean hasVibrator = VibratorCompatWrapper.getInstance(this).hasVibrator(); mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false); mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON, mResources.getBoolean(R.bool.config_default_sound_enabled)); mPopupOn = isPopupEnabled(prefs); mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true); mQuickFixes = isQuickFixesEnabled(prefs); mAutoCorrectEnabled = isAutoCorrectEnabled(prefs); mBigramSuggestionEnabled = mAutoCorrectEnabled && isBigramSuggestionEnabled(prefs); loadAndSetAutoCorrectionThreshold(prefs); mVoiceProxy.loadSettings(attribute, prefs); updateCorrectionMode(); updateAutoTextEnabled(); updateSuggestionVisibility(prefs); // This will work only when the subtype is not supported. LanguageSwitcherProxy.loadSettings(); } /** * Load Auto correction threshold from SharedPreferences, and modify mSuggest's threshold. */ private void loadAndSetAutoCorrectionThreshold(SharedPreferences sp) { // When mSuggest is not initialized, cannnot modify mSuggest's threshold. if (mSuggest == null) return; // When auto correction setting is turned off, the threshold is ignored. if (!isAutoCorrectEnabled(sp)) return; final String currentAutoCorrectionSetting = sp.getString( Settings.PREF_AUTO_CORRECTION_THRESHOLD, mResources.getString(R.string.auto_correction_threshold_mode_index_modest)); final String[] autoCorrectionThresholdValues = mResources.getStringArray( R.array.auto_correction_threshold_values); // When autoCrrectionThreshold is greater than 1.0, auto correction is virtually turned off. double autoCorrectionThreshold = Double.MAX_VALUE; try { final int arrayIndex = Integer.valueOf(currentAutoCorrectionSetting); if (arrayIndex >= 0 && arrayIndex < autoCorrectionThresholdValues.length) { autoCorrectionThreshold = Double.parseDouble( autoCorrectionThresholdValues[arrayIndex]); } } catch (NumberFormatException e) { // Whenever the threshold settings are correct, never come here. autoCorrectionThreshold = Double.MAX_VALUE; Log.w(TAG, "Cannot load auto correction threshold setting." + " currentAutoCorrectionSetting: " + currentAutoCorrectionSetting + ", autoCorrectionThresholdValues: " + Arrays.toString(autoCorrectionThresholdValues)); } // TODO: This should be refactored : // setAutoCorrectionThreshold should be called outside of this method. mSuggest.setAutoCorrectionThreshold(autoCorrectionThreshold); } private boolean isPopupEnabled(SharedPreferences sp) { final boolean showPopupOption = getResources().getBoolean( R.bool.config_enable_show_popup_on_keypress_option); if (!showPopupOption) return mResources.getBoolean(R.bool.config_default_popup_preview); return sp.getBoolean(Settings.PREF_POPUP_ON, mResources.getBoolean(R.bool.config_default_popup_preview)); } private boolean isQuickFixesEnabled(SharedPreferences sp) { final boolean showQuickFixesOption = mResources.getBoolean( R.bool.config_enable_quick_fixes_option); if (!showQuickFixesOption) { return isAutoCorrectEnabled(sp); } return sp.getBoolean(Settings.PREF_QUICK_FIXES, mResources.getBoolean( R.bool.config_default_quick_fixes)); } private boolean isAutoCorrectEnabled(SharedPreferences sp) { final String currentAutoCorrectionSetting = sp.getString( Settings.PREF_AUTO_CORRECTION_THRESHOLD, mResources.getString(R.string.auto_correction_threshold_mode_index_modest)); final String autoCorrectionOff = mResources.getString( R.string.auto_correction_threshold_mode_index_off); return !currentAutoCorrectionSetting.equals(autoCorrectionOff); } private boolean isBigramSuggestionEnabled(SharedPreferences sp) { final boolean showBigramSuggestionsOption = mResources.getBoolean( R.bool.config_enable_bigram_suggestions_option); if (!showBigramSuggestionsOption) { return isAutoCorrectEnabled(sp); } return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, mResources.getBoolean( R.bool.config_default_bigram_suggestions)); } private void initSuggestPuncList() { if (mSuggestPuncs != null || mSuggestPuncList != null) return; SuggestedWords.Builder builder = new SuggestedWords.Builder(); String puncs = mResources.getString(R.string.suggested_punctuations); if (puncs != null) { for (int i = 0; i < puncs.length(); i++) { builder.addWord(puncs.subSequence(i, i + 1)); } } mSuggestPuncList = builder.build(); mSuggestPuncs = puncs; } private boolean isSuggestedPunctuation(int code) { return mSuggestPuncs.contains(String.valueOf((char)code)); } private void showSubtypeSelectorAndSettings() { final CharSequence title = getString(R.string.english_ime_input_options); final CharSequence[] items = new CharSequence[] { // TODO: Should use new string "Select active input modes". getString(R.string.language_selection_title), getString(R.string.english_ime_settings), }; final DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface di, int position) { di.dismiss(); switch (position) { case 0: Intent intent = CompatUtils.getInputLanguageSelectionIntent( mInputMethodId, Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); break; case 1: launchSettings(); break; } } }; showOptionsMenuInternal(title, items, listener); } private void showOptionsMenu() { final CharSequence title = getString(R.string.english_ime_input_options); final CharSequence[] items = new CharSequence[] { getString(R.string.selectInputMethod), getString(R.string.english_ime_settings), }; final DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface di, int position) { di.dismiss(); switch (position) { case 0: mImm.showInputMethodPicker(); break; case 1: launchSettings(); break; } } }; showOptionsMenuInternal(title, items, listener); } private void showOptionsMenuInternal(CharSequence title, CharSequence[] items, DialogInterface.OnClickListener listener) { final IBinder windowToken = mKeyboardSwitcher.getInputView().getWindowToken(); if (windowToken == null) return; AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setCancelable(true); builder.setIcon(R.drawable.ic_dialog_keyboard); builder.setNegativeButton(android.R.string.cancel, null); builder.setItems(items, listener); builder.setTitle(title); mOptionsDialog = builder.create(); mOptionsDialog.setCanceledOnTouchOutside(true); Window window = mOptionsDialog.getWindow(); WindowManager.LayoutParams lp = window.getAttributes(); lp.token = windowToken; lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG; window.setAttributes(lp); window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); mOptionsDialog.show(); } @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(" mComposing=" + mComposing.toString()); p.println(" mIsSuggestionsRequested=" + mIsSettingsSuggestionStripOn); p.println(" mCorrectionMode=" + mCorrectionMode); p.println(" mHasValidSuggestions=" + mHasValidSuggestions); p.println(" mAutoCorrectOn=" + mAutoCorrectOn); p.println(" mAutoSpace=" + mAutoSpace); p.println(" mApplicationSpecifiedCompletionOn=" + mApplicationSpecifiedCompletionOn); 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)); } }