2171 lines
85 KiB
Java
2171 lines
85 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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import com.android.inputmethod.keyboard.Keyboard;
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import com.android.inputmethod.keyboard.KeyboardActionListener;
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import com.android.inputmethod.keyboard.KeyboardId;
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import com.android.inputmethod.keyboard.KeyboardSwitcher;
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import com.android.inputmethod.keyboard.KeyboardView;
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import com.android.inputmethod.keyboard.LatinKeyboardView;
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import com.android.inputmethod.latin.Utils.RingCharBuffer;
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import com.android.inputmethod.voice.VoiceIMEConnector;
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import android.app.AlertDialog;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.inputmethodservice.InputMethodService;
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import android.media.AudioManager;
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import android.os.Debug;
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import android.os.Handler;
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import android.os.Message;
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import android.os.SystemClock;
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import android.os.Vibrator;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceManager;
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import android.text.InputType;
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import android.text.TextUtils;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.util.PrintWriterPrinter;
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import android.util.Printer;
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import android.view.Gravity;
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import android.view.HapticFeedbackConstants;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.view.Window;
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import android.view.WindowManager;
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import android.view.inputmethod.CompletionInfo;
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import android.view.inputmethod.CorrectionInfo;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.ExtractedText;
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import android.view.inputmethod.ExtractedTextRequest;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.HorizontalScrollView;
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import android.widget.LinearLayout;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Locale;
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/**
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* Input method implementation for Qwerty'ish keyboard.
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*/
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public class LatinIME extends InputMethodService implements KeyboardActionListener,
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SharedPreferences.OnSharedPreferenceChangeListener {
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private static final String TAG = "LatinIME";
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private static final boolean PERF_DEBUG = false;
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private static final boolean DEBUG = false;
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private static final boolean TRACE = false;
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private static final int DELAY_UPDATE_SUGGESTIONS = 180;
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private static final int DELAY_UPDATE_OLD_SUGGESTIONS = 300;
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private static final int DELAY_UPDATE_SHIFT_STATE = 300;
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// How many continuous deletes at which to start deleting at a higher speed.
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private static final int DELETE_ACCELERATE_AT = 20;
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// Key events coming any faster than this are long-presses.
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private static final int QUICK_PRESS = 200;
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// Contextual menu positions
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private static final int POS_METHOD = 0;
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private static final int POS_SETTINGS = 1;
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private int mSuggestionVisibility;
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private static final int SUGGESTION_VISIBILILTY_SHOW_VALUE
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= R.string.prefs_suggestion_visibility_show_value;
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private static final int SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE
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= R.string.prefs_suggestion_visibility_show_only_portrait_value;
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private static final int SUGGESTION_VISIBILILTY_HIDE_VALUE
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= R.string.prefs_suggestion_visibility_hide_value;
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private static final int[] SUGGESTION_VISIBILITY_VALUE_ARRAY = new int[] {
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SUGGESTION_VISIBILILTY_SHOW_VALUE,
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SUGGESTION_VISIBILILTY_SHOW_ONLY_PORTRAIT_VALUE,
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SUGGESTION_VISIBILILTY_HIDE_VALUE
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};
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private View mCandidateViewContainer;
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private CandidateView mCandidateView;
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private Suggest mSuggest;
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private CompletionInfo[] mApplicationSpecifiedCompletions;
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private AlertDialog mOptionsDialog;
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private InputMethodManager mImm;
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private KeyboardSwitcher mKeyboardSwitcher;
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private SubtypeSwitcher mSubtypeSwitcher;
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private VoiceIMEConnector mVoiceConnector;
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private UserDictionary mUserDictionary;
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private UserBigramDictionary mUserBigramDictionary;
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private ContactsDictionary mContactsDictionary;
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private AutoDictionary mAutoDictionary;
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private Resources mResources;
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private SharedPreferences mPrefs;
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private final StringBuilder mComposing = new StringBuilder();
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private WordComposer mWord = new WordComposer();
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private CharSequence mBestWord;
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private boolean mHasValidSuggestions;
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private boolean mIsSettingsSuggestionStripOn;
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private boolean mApplicationSpecifiedCompletionOn;
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private boolean mHasDictionary;
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private boolean mAutoSpace;
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private boolean mJustAddedAutoSpace;
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private boolean mAutoCorrectEnabled;
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private boolean mReCorrectionEnabled;
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private boolean mBigramSuggestionEnabled;
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private boolean mAutoCorrectOn;
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private boolean mVibrateOn;
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private boolean mSoundOn;
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private boolean mPopupOn;
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private boolean mAutoCap;
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private boolean mQuickFixes;
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private boolean mConfigSwipeDownDismissKeyboardEnabled;
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private int mCorrectionMode;
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private int mCommittedLength;
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private int mOrientation;
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// Keep track of the last selection range to decide if we need to show word alternatives
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private int mLastSelectionStart;
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private int mLastSelectionEnd;
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private SuggestedWords mSuggestPuncList;
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// Input type is such that we should not auto-correct
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private boolean mInputTypeNoAutoCorrect;
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// Indicates whether the suggestion strip is to be on in landscape
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private boolean mJustAccepted;
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private boolean mJustReverted;
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private int mDeleteCount;
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private long mLastKeyTime;
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private AudioManager mAudioManager;
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// Align sound effect volume on music volume
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private static final float FX_VOLUME = -1.0f;
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private boolean mSilentMode;
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/* package */ String mWordSeparators;
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private String mSentenceSeparators;
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private String mSuggestPuncs;
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// TODO: Move this flag to VoiceIMEConnector
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private boolean mConfigurationChanging;
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// Keeps track of most recently inserted text (multi-character key) for reverting
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private CharSequence mEnteredText;
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private boolean mRefreshKeyboardRequired;
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private final ArrayList<WordAlternatives> mWordHistory = new ArrayList<WordAlternatives>();
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public abstract static class WordAlternatives {
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protected CharSequence mChosenWord;
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public WordAlternatives() {
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// Nothing
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}
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public WordAlternatives(CharSequence chosenWord) {
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mChosenWord = chosenWord;
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}
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@Override
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public int hashCode() {
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return mChosenWord.hashCode();
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}
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public abstract CharSequence getOriginalWord();
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public CharSequence getChosenWord() {
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return mChosenWord;
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}
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public abstract SuggestedWords.Builder getAlternatives();
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}
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public class TypedWordAlternatives extends WordAlternatives {
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private WordComposer word;
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public TypedWordAlternatives() {
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// Nothing
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}
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public TypedWordAlternatives(CharSequence chosenWord, WordComposer wordComposer) {
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super(chosenWord);
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word = wordComposer;
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}
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@Override
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public CharSequence getOriginalWord() {
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return word.getTypedWord();
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}
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@Override
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public SuggestedWords.Builder getAlternatives() {
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return getTypedSuggestions(word);
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}
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}
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public final UIHandler mHandler = new UIHandler();
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public class UIHandler extends Handler {
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private static final int MSG_UPDATE_SUGGESTIONS = 0;
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private static final int MSG_UPDATE_OLD_SUGGESTIONS = 1;
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private static final int MSG_UPDATE_SHIFT_STATE = 2;
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private static final int MSG_VOICE_RESULTS = 3;
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_UPDATE_SUGGESTIONS:
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updateSuggestions();
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break;
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case MSG_UPDATE_OLD_SUGGESTIONS:
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setOldSuggestions();
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break;
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case MSG_UPDATE_SHIFT_STATE:
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mKeyboardSwitcher.updateShiftState();
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break;
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case MSG_VOICE_RESULTS:
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mVoiceConnector.handleVoiceResults(preferCapitalization()
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|| (mKeyboardSwitcher.isAlphabetMode()
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&& mKeyboardSwitcher.isShiftedOrShiftLocked()));
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break;
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}
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}
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public void postUpdateSuggestions() {
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removeMessages(MSG_UPDATE_SUGGESTIONS);
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sendMessageDelayed(obtainMessage(MSG_UPDATE_SUGGESTIONS), DELAY_UPDATE_SUGGESTIONS);
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}
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public void cancelUpdateSuggestions() {
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removeMessages(MSG_UPDATE_SUGGESTIONS);
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}
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public boolean hasPendingUpdateSuggestions() {
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return hasMessages(MSG_UPDATE_SUGGESTIONS);
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}
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public void postUpdateOldSuggestions() {
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removeMessages(MSG_UPDATE_OLD_SUGGESTIONS);
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sendMessageDelayed(obtainMessage(MSG_UPDATE_OLD_SUGGESTIONS),
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DELAY_UPDATE_OLD_SUGGESTIONS);
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}
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public void cancelUpdateOldSuggestions() {
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removeMessages(MSG_UPDATE_OLD_SUGGESTIONS);
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}
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public void postUpdateShiftKeyState() {
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removeMessages(MSG_UPDATE_SHIFT_STATE);
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sendMessageDelayed(obtainMessage(MSG_UPDATE_SHIFT_STATE), DELAY_UPDATE_SHIFT_STATE);
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}
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public void cancelUpdateShiftState() {
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removeMessages(MSG_UPDATE_SHIFT_STATE);
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}
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public void updateVoiceResults() {
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sendMessage(obtainMessage(MSG_VOICE_RESULTS));
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}
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}
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@Override
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public void onCreate() {
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final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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mPrefs = prefs;
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LatinImeLogger.init(this, prefs);
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SubtypeSwitcher.init(this, prefs);
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KeyboardSwitcher.init(this, prefs);
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super.onCreate();
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mImm = ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE));
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mSubtypeSwitcher = SubtypeSwitcher.getInstance();
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mKeyboardSwitcher = KeyboardSwitcher.getInstance();
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final Resources res = getResources();
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mResources = res;
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mReCorrectionEnabled = prefs.getBoolean(Settings.PREF_RECORRECTION_ENABLED,
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res.getBoolean(R.bool.default_recorrection_enabled));
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mConfigSwipeDownDismissKeyboardEnabled = res.getBoolean(
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R.bool.config_swipe_down_dismiss_keyboard_enabled);
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Utils.GCUtils.getInstance().reset();
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boolean tryGC = true;
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for (int i = 0; i < Utils.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) {
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try {
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initSuggest();
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tryGC = false;
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} catch (OutOfMemoryError e) {
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tryGC = Utils.GCUtils.getInstance().tryGCOrWait("InitSuggest", e);
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}
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}
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mOrientation = res.getConfiguration().orientation;
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initSuggestPuncList();
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// register to receive ringer mode changes for silent mode
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IntentFilter filter = new IntentFilter(AudioManager.RINGER_MODE_CHANGED_ACTION);
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registerReceiver(mReceiver, filter);
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mVoiceConnector = VoiceIMEConnector.init(this, prefs, mHandler);
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prefs.registerOnSharedPreferenceChangeListener(this);
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}
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/**
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* Returns a main dictionary resource id
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* @return main dictionary resource id
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*/
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public static int getMainDictionaryResourceId(Resources res) {
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final String MAIN_DIC_NAME = "main";
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String packageName = LatinIME.class.getPackage().getName();
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return res.getIdentifier(MAIN_DIC_NAME, "raw", packageName);
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}
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private void initSuggest() {
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updateAutoTextEnabled();
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String locale = mSubtypeSwitcher.getInputLocaleStr();
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Locale savedLocale = mSubtypeSwitcher.changeSystemLocale(new Locale(locale));
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if (mSuggest != null) {
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mSuggest.close();
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}
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final SharedPreferences prefs = mPrefs;
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mQuickFixes = prefs.getBoolean(Settings.PREF_QUICK_FIXES, true);
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final Resources res = mResources;
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int mainDicResId = getMainDictionaryResourceId(res);
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mSuggest = new Suggest(this, mainDicResId);
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loadAndSetAutoCorrectionThreshold(prefs);
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mUserDictionary = new UserDictionary(this, locale);
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mSuggest.setUserDictionary(mUserDictionary);
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mContactsDictionary = new ContactsDictionary(this, Suggest.DIC_CONTACTS);
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mSuggest.setContactsDictionary(mContactsDictionary);
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mAutoDictionary = new AutoDictionary(this, this, locale, Suggest.DIC_AUTO);
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mSuggest.setAutoDictionary(mAutoDictionary);
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mUserBigramDictionary = new UserBigramDictionary(this, this, locale, Suggest.DIC_USER);
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mSuggest.setUserBigramDictionary(mUserBigramDictionary);
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updateCorrectionMode();
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mWordSeparators = res.getString(R.string.word_separators);
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mSentenceSeparators = res.getString(R.string.sentence_separators);
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mSubtypeSwitcher.changeSystemLocale(savedLocale);
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}
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@Override
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public void onDestroy() {
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if (mSuggest != null) {
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mSuggest.close();
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mSuggest = null;
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}
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unregisterReceiver(mReceiver);
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mVoiceConnector.destroy();
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LatinImeLogger.commit();
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LatinImeLogger.onDestroy();
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super.onDestroy();
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}
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@Override
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public void onConfigurationChanged(Configuration conf) {
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mSubtypeSwitcher.onConfigurationChanged(conf);
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if (mSubtypeSwitcher.isKeyboardMode())
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onKeyboardLanguageChanged();
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updateAutoTextEnabled();
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// If orientation changed while predicting, commit the change
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if (conf.orientation != mOrientation) {
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InputConnection ic = getCurrentInputConnection();
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commitTyped(ic);
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if (ic != null) ic.finishComposingText(); // For voice input
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mOrientation = conf.orientation;
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final int mode = mKeyboardSwitcher.getKeyboardMode();
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final EditorInfo attribute = getCurrentInputEditorInfo();
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final int imeOptions = (attribute != null) ? attribute.imeOptions : 0;
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mKeyboardSwitcher.loadKeyboard(mode, imeOptions,
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mVoiceConnector.isVoiceButtonEnabled(),
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mVoiceConnector.isVoiceButtonOnPrimary());
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}
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mConfigurationChanging = true;
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super.onConfigurationChanged(conf);
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mVoiceConnector.onConfigurationChanged(mConfigurationChanging);
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mConfigurationChanging = false;
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}
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@Override
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public View onCreateInputView() {
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return mKeyboardSwitcher.onCreateInputView();
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}
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@Override
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public View onCreateCandidatesView() {
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LayoutInflater inflater = getLayoutInflater();
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LinearLayout container = (LinearLayout)inflater.inflate(R.layout.candidates, null);
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mCandidateViewContainer = container;
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if (container.getPaddingRight() != 0) {
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HorizontalScrollView scrollView =
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(HorizontalScrollView) container.findViewById(R.id.candidates_scroll_view);
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scrollView.setOverScrollMode(View.OVER_SCROLL_NEVER);
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container.setGravity(Gravity.CENTER_HORIZONTAL);
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}
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mCandidateView = (CandidateView) container.findViewById(R.id.candidates);
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mCandidateView.setService(this);
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setCandidatesViewShown(true);
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return container;
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}
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private static boolean isPasswordVariation(int variation) {
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return variation == InputType.TYPE_TEXT_VARIATION_PASSWORD
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|| variation == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
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|| variation == InputType.TYPE_TEXT_VARIATION_WEB_PASSWORD;
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}
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private static boolean isEmailVariation(int variation) {
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return variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
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|| variation == InputType.TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
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}
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@Override
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public void onStartInputView(EditorInfo attribute, boolean restarting) {
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final KeyboardSwitcher switcher = mKeyboardSwitcher;
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LatinKeyboardView inputView = switcher.getInputView();
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// In landscape mode, this method gets called without the input view being created.
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if (inputView == null) {
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return;
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}
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mSubtypeSwitcher.updateParametersOnStartInputView();
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if (mRefreshKeyboardRequired) {
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mRefreshKeyboardRequired = false;
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onKeyboardLanguageChanged();
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}
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TextEntryState.newSession(this);
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// Most such things we decide below in the switch statement, but we need to know
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// now whether this is a password text field, because we need to know now (before
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// the switch statement) whether we want to enable the voice button.
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int variation = attribute.inputType & InputType.TYPE_MASK_VARIATION;
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mVoiceConnector.resetVoiceStates(isPasswordVariation(variation));
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mInputTypeNoAutoCorrect = false;
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mIsSettingsSuggestionStripOn = false;
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mApplicationSpecifiedCompletionOn = false;
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mApplicationSpecifiedCompletions = null;
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mEnteredText = null;
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final int mode;
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switch (attribute.inputType & InputType.TYPE_MASK_CLASS) {
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case InputType.TYPE_CLASS_NUMBER:
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case InputType.TYPE_CLASS_DATETIME:
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mode = KeyboardId.MODE_NUMBER;
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break;
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case InputType.TYPE_CLASS_PHONE:
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mode = KeyboardId.MODE_PHONE;
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break;
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case InputType.TYPE_CLASS_TEXT:
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mIsSettingsSuggestionStripOn = true;
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// Make sure that passwords are not displayed in candidate view
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if (isPasswordVariation(variation)) {
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mIsSettingsSuggestionStripOn = false;
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}
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if (isEmailVariation(variation)
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|| variation == InputType.TYPE_TEXT_VARIATION_PERSON_NAME) {
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mAutoSpace = false;
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} else {
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mAutoSpace = true;
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}
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if (isEmailVariation(variation)) {
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mIsSettingsSuggestionStripOn = false;
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|
mode = KeyboardId.MODE_EMAIL;
|
|
} else if (variation == InputType.TYPE_TEXT_VARIATION_URI) {
|
|
mIsSettingsSuggestionStripOn = false;
|
|
mode = KeyboardId.MODE_URL;
|
|
} else if (variation == InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE) {
|
|
mode = KeyboardId.MODE_IM;
|
|
} else if (variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
|
|
mIsSettingsSuggestionStripOn = false;
|
|
mode = KeyboardId.MODE_TEXT;
|
|
} else if (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT) {
|
|
mode = KeyboardId.MODE_WEB;
|
|
// 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 & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0) {
|
|
mInputTypeNoAutoCorrect = true;
|
|
}
|
|
} else {
|
|
mode = KeyboardId.MODE_TEXT;
|
|
}
|
|
|
|
// If NO_SUGGESTIONS is set, don't do prediction.
|
|
if ((attribute.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 ((attribute.inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT) == 0 &&
|
|
(attribute.inputType & InputType.TYPE_TEXT_FLAG_MULTI_LINE) == 0) {
|
|
mInputTypeNoAutoCorrect = true;
|
|
}
|
|
if ((attribute.inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
|
|
mIsSettingsSuggestionStripOn = false;
|
|
mApplicationSpecifiedCompletionOn = isFullscreenMode();
|
|
}
|
|
break;
|
|
default:
|
|
mode = KeyboardId.MODE_TEXT;
|
|
break;
|
|
}
|
|
inputView.closing();
|
|
mComposing.setLength(0);
|
|
mHasValidSuggestions = false;
|
|
mDeleteCount = 0;
|
|
mJustAddedAutoSpace = false;
|
|
|
|
loadSettings(attribute);
|
|
if (mSubtypeSwitcher.isKeyboardMode()) {
|
|
switcher.loadKeyboard(mode, attribute.imeOptions,
|
|
mVoiceConnector.isVoiceButtonEnabled(),
|
|
mVoiceConnector.isVoiceButtonOnPrimary());
|
|
switcher.updateShiftState();
|
|
}
|
|
|
|
setCandidatesViewShownInternal(isCandidateStripVisible(),
|
|
false /* needsInputViewShown */ );
|
|
// Delay updating suggestions because keyboard input view may not be shown at this point.
|
|
mHandler.postUpdateSuggestions();
|
|
|
|
// If the dictionary is not big enough, don't auto correct
|
|
mHasDictionary = mSuggest.hasMainDictionary();
|
|
|
|
updateCorrectionMode();
|
|
|
|
inputView.setPreviewEnabled(mPopupOn);
|
|
inputView.setProximityCorrectionEnabled(true);
|
|
mIsSettingsSuggestionStripOn &= (mCorrectionMode > 0 || isShowingSuggestionsStrip());
|
|
// If we just entered a text field, maybe it has some old text that requires correction
|
|
checkReCorrectionOnStart();
|
|
inputView.setForeground(true);
|
|
|
|
mVoiceConnector.onStartInputView(mKeyboardSwitcher.getInputView().getWindowToken());
|
|
|
|
if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
|
|
}
|
|
|
|
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);
|
|
|
|
mVoiceConnector.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);
|
|
mVoiceConnector.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
|
|
+ ", nss=" + newSelStart
|
|
+ ", nse=" + newSelEnd
|
|
+ ", cs=" + candidatesStart
|
|
+ ", ce=" + candidatesEnd);
|
|
}
|
|
|
|
mVoiceConnector.setCursorAndSelection(newSelEnd, newSelStart);
|
|
|
|
// If the current selection in the text view changes, we should
|
|
// clear whatever candidate text we have.
|
|
if ((((mComposing.length() > 0 && mHasValidSuggestions)
|
|
|| mVoiceConnector.isVoiceInputHighlighted()) && (newSelStart != candidatesEnd
|
|
|| newSelEnd != candidatesEnd) && mLastSelectionStart != newSelStart)) {
|
|
mComposing.setLength(0);
|
|
mHasValidSuggestions = false;
|
|
mHandler.postUpdateSuggestions();
|
|
TextEntryState.reset();
|
|
InputConnection ic = getCurrentInputConnection();
|
|
if (ic != null) {
|
|
ic.finishComposingText();
|
|
}
|
|
mVoiceConnector.setVoiceInputHighlighted(false);
|
|
} else if (!mHasValidSuggestions && !mJustAccepted) {
|
|
switch (TextEntryState.getState()) {
|
|
case ACCEPTED_DEFAULT:
|
|
TextEntryState.reset();
|
|
// $FALL-THROUGH$
|
|
case SPACE_AFTER_PICKED:
|
|
mJustAddedAutoSpace = false; // The user moved the cursor.
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
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() && !mJustReverted
|
|
&& (candidatesStart == candidatesEnd || newSelStart != oldSelStart
|
|
|| TextEntryState.isCorrecting())
|
|
&& (newSelStart < newSelEnd - 1 || !mHasValidSuggestions)) {
|
|
if (isCursorTouchingWord() || mLastSelectionStart < mLastSelectionEnd) {
|
|
mHandler.postUpdateOldSuggestions();
|
|
} else {
|
|
abortCorrection(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;
|
|
}
|
|
mVoiceConnector.hideVoiceWindow(mConfigurationChanging);
|
|
mWordHistory.clear();
|
|
super.hideWindow();
|
|
TextEntryState.endSession();
|
|
}
|
|
|
|
@Override
|
|
public void onDisplayCompletions(CompletionInfo[] applicationSpecifiedCompletions) {
|
|
if (DEBUG) {
|
|
Log.i(TAG, "Received completions:");
|
|
final int count = (applicationSpecifiedCompletions != null)
|
|
? applicationSpecifiedCompletions.length : 0;
|
|
for (int i = 0; i < count; 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: Remove this if we support candidates with hard keyboard
|
|
if (onEvaluateInputViewShown()) {
|
|
super.setCandidatesViewShown(shown
|
|
&& (needsInputViewShown ? mKeyboardSwitcher.isInputViewShown() : 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() {
|
|
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);
|
|
addToDictionaries(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 (!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) == Keyboard.CODE_SPACE
|
|
&& lastThree.charAt(2) == Keyboard.CODE_SPACE) {
|
|
ic.beginBatchEdit();
|
|
ic.deleteSurroundingText(2, 0);
|
|
ic.commitText(". ", 1);
|
|
ic.endBatchEdit();
|
|
mKeyboardSwitcher.updateShiftState();
|
|
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) == 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 (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 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)
|
|
switcher.toggleShift();
|
|
break;
|
|
case Keyboard.CODE_SWITCH_ALPHA_SYMBOL:
|
|
// Symbol key is handled in onPress() when device has distinct multi-touch panel.
|
|
if (!distinctMultiTouch)
|
|
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(false, true);
|
|
break;
|
|
case Keyboard.CODE_PREV_LANGUAGE:
|
|
toggleLanguage(false, 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;
|
|
}
|
|
RingCharBuffer.getInstance().push((char)primaryCode, x, y);
|
|
LatinImeLogger.logOnInputChar();
|
|
if (isWordSeparator(primaryCode)) {
|
|
handleSeparator(primaryCode);
|
|
} else {
|
|
handleCharacter(primaryCode, keyCodes);
|
|
}
|
|
// Cancel the just reverted state
|
|
mJustReverted = false;
|
|
}
|
|
switcher.onKey(primaryCode);
|
|
// Reset after any single keystroke
|
|
mEnteredText = null;
|
|
}
|
|
|
|
@Override
|
|
public void onTextInput(CharSequence text) {
|
|
mVoiceConnector.commitVoiceInput();
|
|
InputConnection ic = getCurrentInputConnection();
|
|
if (ic == null) return;
|
|
abortCorrection(false);
|
|
ic.beginBatchEdit();
|
|
commitTyped(ic);
|
|
maybeRemovePreviousPeriod(text);
|
|
ic.commitText(text, 1);
|
|
ic.endBatchEdit();
|
|
mKeyboardSwitcher.updateShiftState();
|
|
mKeyboardSwitcher.onKey(Keyboard.CODE_DUMMY);
|
|
mJustReverted = false;
|
|
mJustAddedAutoSpace = false;
|
|
mEnteredText = text;
|
|
}
|
|
|
|
@Override
|
|
public void onCancelInput() {
|
|
// User released a finger outside any key
|
|
mKeyboardSwitcher.onCancelInput();
|
|
}
|
|
|
|
private void handleBackspace() {
|
|
if (mVoiceConnector.logAndRevertVoiceInput()) return;
|
|
boolean deleteChar = false;
|
|
InputConnection ic = getCurrentInputConnection();
|
|
if (ic == null) return;
|
|
|
|
ic.beginBatchEdit();
|
|
|
|
mVoiceConnector.handleBackspace();
|
|
|
|
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.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
|
|
// "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);
|
|
}
|
|
}
|
|
}
|
|
mJustReverted = false;
|
|
ic.endBatchEdit();
|
|
}
|
|
|
|
private void handleTab() {
|
|
final int imeOptions = getCurrentInputEditorInfo().imeOptions;
|
|
final int navigationFlags =
|
|
EditorInfo.IME_FLAG_NAVIGATE_NEXT | EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS;
|
|
if ((imeOptions & navigationFlags) == 0) {
|
|
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 ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0
|
|
&& !isManualTemporaryUpperCase) {
|
|
ic.performEditorAction(EditorInfo.IME_ACTION_NEXT);
|
|
} else if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS) != 0
|
|
&& isManualTemporaryUpperCase) {
|
|
ic.performEditorAction(EditorInfo.IME_ACTION_PREVIOUS);
|
|
}
|
|
}
|
|
|
|
private void abortCorrection(boolean force) {
|
|
if (force || TextEntryState.isCorrecting()) {
|
|
TextEntryState.onAbortCorrection();
|
|
setCandidatesViewShown(isCandidateStripVisible());
|
|
getCurrentInputConnection().finishComposingText();
|
|
clearSuggestions();
|
|
}
|
|
}
|
|
|
|
private void handleCharacter(int primaryCode, int[] keyCodes) {
|
|
mVoiceConnector.handleCharacter();
|
|
|
|
if (mLastSelectionStart == mLastSelectionEnd && TextEntryState.isCorrecting()) {
|
|
abortCorrection(false);
|
|
}
|
|
|
|
int code = primaryCode;
|
|
if (isAlphabet(code) && isSuggestionsRequested() && !isCursorTouchingWord()) {
|
|
if (!mHasValidSuggestions) {
|
|
mHasValidSuggestions = true;
|
|
mComposing.setLength(0);
|
|
saveWordInHistory(mBestWord);
|
|
mWord.reset();
|
|
}
|
|
}
|
|
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);
|
|
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));
|
|
}
|
|
|
|
private void handleSeparator(int primaryCode) {
|
|
mVoiceConnector.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();
|
|
abortCorrection(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 != '\'' && !mJustReverted) {
|
|
pickedDefault = pickDefaultSuggestion();
|
|
// 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.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
|
|
&& primaryCode == Keyboard.CODE_PERIOD) {
|
|
reswapPeriodAndSpace();
|
|
}
|
|
|
|
TextEntryState.typedCharacter((char) primaryCode, true);
|
|
if (TextEntryState.getState() == TextEntryState.State.PUNCTUATION_AFTER_ACCEPTED
|
|
&& 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)) {
|
|
if (ic != null) {
|
|
CorrectionInfo correctionInfo = new CorrectionInfo(
|
|
mLastSelectionEnd - typedWord.length(), typedWord, mBestWord);
|
|
ic.commitCorrection(correctionInfo);
|
|
}
|
|
if (mCandidateView != null)
|
|
mCandidateView.onAutoCorrectionInverted(mBestWord);
|
|
}
|
|
setPunctuationSuggestions();
|
|
}
|
|
mKeyboardSwitcher.updateShiftState();
|
|
if (ic != null) {
|
|
ic.endBatchEdit();
|
|
}
|
|
}
|
|
|
|
private void handleClose() {
|
|
commitTyped(getCurrentInputConnection());
|
|
mVoiceConnector.handleClose();
|
|
requestHideSelf(0);
|
|
LatinKeyboardView inputView = mKeyboardSwitcher.getInputView();
|
|
if (inputView != null)
|
|
inputView.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 boolean isSuggestionsRequested() {
|
|
return mIsSettingsSuggestionStripOn;
|
|
}
|
|
|
|
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.isShowingAddToDictionaryHint() || TextEntryState.isCorrecting())
|
|
return true;
|
|
if (!isShowingSuggestionsStrip())
|
|
return false;
|
|
if (mApplicationSpecifiedCompletionOn)
|
|
return true;
|
|
return isSuggestionsRequested();
|
|
}
|
|
|
|
public void switchToKeyboardView() {
|
|
mHandler.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
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 (mVoiceConnector.getAndResetIsShowingHint()) {
|
|
setCandidatesView(mCandidateViewContainer);
|
|
}
|
|
|
|
if (mCandidateView != null) {
|
|
mCandidateView.setSuggestions(words);
|
|
if (mCandidateView.isConfigCandidateHighlightFontColorEnabled()) {
|
|
mKeyboardSwitcher.onAutoCorrectionStateChanged(
|
|
words.hasWordAboveAutoCorrectionScoreThreshold());
|
|
}
|
|
}
|
|
}
|
|
|
|
public void updateSuggestions() {
|
|
mKeyboardSwitcher.setPreferredLetters(null);
|
|
|
|
// Check if we have a suggestion engine attached.
|
|
if ((mSuggest == null || !isSuggestionsRequested())
|
|
&& !mVoiceConnector.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) {
|
|
mKeyboardSwitcher.setPreferredLetters(null);
|
|
SuggestedWords.Builder builder = alternatives.getAlternatives();
|
|
builder.setTypedWordValid(false).setHasMinimalSuggestion(false);
|
|
showSuggestions(builder.build(), alternatives.getOriginalWord());
|
|
}
|
|
|
|
private void showSuggestions(WordComposer word) {
|
|
// TODO Maybe need better way of retrieving previous word
|
|
CharSequence prevWord = EditingUtils.getPreviousWord(getCurrentInputConnection(),
|
|
mWordSeparators);
|
|
SuggestedWords.Builder builder = mSuggest.getSuggestedWordBuilder(
|
|
mKeyboardSwitcher.getInputView(), word, prevWord);
|
|
|
|
int[] nextLettersFrequencies = mSuggest.getNextLettersFrequencies();
|
|
mKeyboardSwitcher.setPreferredLetters(nextLettersFrequencies);
|
|
|
|
boolean correctionAvailable = !mInputTypeNoAutoCorrect && !mJustReverted
|
|
&& mSuggest.hasMinimalCorrection();
|
|
final CharSequence typedWord = word.getTypedWord();
|
|
// If we're in basic correct
|
|
final 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();
|
|
|
|
// 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, 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 (typedWord.length() == 1 || builder.size() > 1
|
|
|| 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 (suggestedWords.hasAutoCorrectionWord()) {
|
|
mBestWord = suggestedWords.getWord(1);
|
|
} else {
|
|
mBestWord = typedWord;
|
|
}
|
|
} else {
|
|
mBestWord = null;
|
|
}
|
|
setCandidatesViewShown(isCandidateStripVisible());
|
|
}
|
|
|
|
private boolean pickDefaultSuggestion() {
|
|
// Complete any pending candidate query first
|
|
if (mHandler.hasPendingUpdateSuggestions()) {
|
|
mHandler.cancelUpdateSuggestions();
|
|
updateSuggestions();
|
|
}
|
|
if (mBestWord != null && mBestWord.length() > 0) {
|
|
TextEntryState.acceptedDefault(mWord.getTypedWord(), mBestWord);
|
|
mJustAccepted = true;
|
|
pickSuggestion(mBestWord);
|
|
// 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) {
|
|
SuggestedWords suggestions = mCandidateView.getSuggestions();
|
|
mVoiceConnector.flushAndLogAllTextModificationCounters(index, suggestion, mWordSeparators);
|
|
|
|
final boolean correcting = TextEntryState.isCorrecting();
|
|
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) {
|
|
addToDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED);
|
|
} else {
|
|
addToBigramDictionary(suggestion, 1);
|
|
}
|
|
LatinImeLogger.logOnManualSuggestion(mComposing.toString(), suggestion.toString(),
|
|
index, suggestions.mWords);
|
|
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) Keyboard.CODE_SPACE, true);
|
|
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) {
|
|
mVoiceConnector.rememberReplacedWord(suggestion, mWordSeparators);
|
|
ic.commitText(suggestion, 1);
|
|
}
|
|
saveWordInHistory(suggestion);
|
|
mHasValidSuggestions = false;
|
|
mCommittedLength = suggestion.length();
|
|
switcher.setPreferredLetters(null);
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
for (WordAlternatives entry : mWordHistory) {
|
|
if (TextUtils.equals(entry.getChosenWord(), touching.mWord)) {
|
|
if (entry instanceof TypedWordAlternatives) {
|
|
foundWord = ((TypedWordAlternatives) entry).word;
|
|
}
|
|
alternatives = entry;
|
|
break;
|
|
}
|
|
}
|
|
// If we didn't find a match, at least suggest corrections.
|
|
if (foundWord == null
|
|
&& (mSuggest.isValidWord(touching.mWord)
|
|
|| mSuggest.isValidWord(touching.mWord.toString().toLowerCase()))) {
|
|
foundWord = new WordComposer();
|
|
for (int i = 0; i < touching.mWord.length(); i++) {
|
|
foundWord.add(touching.mWord.charAt(i), new int[] {
|
|
touching.mWord.charAt(i)
|
|
});
|
|
}
|
|
foundWord.setFirstCharCapitalized(Character.isUpperCase(touching.mWord.charAt(0)));
|
|
}
|
|
// Found a match, show suggestions
|
|
if (foundWord != null || alternatives != null) {
|
|
if (alternatives == null) {
|
|
alternatives = new TypedWordAlternatives(touching.mWord, foundWord);
|
|
}
|
|
showCorrections(alternatives);
|
|
if (foundWord != null) {
|
|
mWord = new WordComposer(foundWord);
|
|
} else {
|
|
mWord.reset();
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private void setOldSuggestions() {
|
|
mVoiceConnector.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 (!mVoiceConnector.applyVoiceAlternatives(touching)
|
|
&& !applyTypedAlternatives(touching)) {
|
|
abortCorrection(true);
|
|
} else {
|
|
TextEntryState.selectedForCorrection();
|
|
EditingUtils.underlineWord(ic, touching);
|
|
}
|
|
|
|
ic.endBatchEdit();
|
|
} else {
|
|
abortCorrection(true);
|
|
setPunctuationSuggestions(); // Show the punctuation suggestions list
|
|
}
|
|
} else {
|
|
abortCorrection(true);
|
|
}
|
|
}
|
|
|
|
private void setPunctuationSuggestions() {
|
|
setSuggestions(mSuggestPuncList);
|
|
setCandidatesViewShown(isCandidateStripVisible());
|
|
}
|
|
|
|
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 (!addToBigramDictionary && mAutoDictionary.isValidWord(suggestion)
|
|
|| (!mSuggest.isValidWord(suggestion.toString())
|
|
&& !mSuggest.isValidWord(suggestion.toString().toLowerCase()))) {
|
|
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();
|
|
mHasValidSuggestions = true;
|
|
mJustReverted = true;
|
|
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();
|
|
mHandler.postUpdateSuggestions();
|
|
} else {
|
|
sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
|
|
mJustReverted = false;
|
|
}
|
|
}
|
|
|
|
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 has been changed and toggleLanguage will update KeyboaredID according
|
|
// to new Language.
|
|
public void onKeyboardLanguageChanged() {
|
|
toggleLanguage(true, true);
|
|
}
|
|
|
|
// "reset" and "next" are used only for USE_SPACEBAR_LANGUAGE_SWITCHER.
|
|
private void toggleLanguage(boolean reset, boolean next) {
|
|
if (SubtypeSwitcher.USE_SPACEBAR_LANGUAGE_SWITCHER) {
|
|
mSubtypeSwitcher.toggleLanguage(reset, next);
|
|
}
|
|
// Reload keyboard because the current language has been changed.
|
|
KeyboardSwitcher switcher = mKeyboardSwitcher;
|
|
final int mode = switcher.getKeyboardMode();
|
|
final EditorInfo attribute = getCurrentInputEditorInfo();
|
|
final int imeOptions = (attribute != null) ? attribute.imeOptions : 0;
|
|
switcher.loadKeyboard(mode, imeOptions, mVoiceConnector.isVoiceButtonEnabled(),
|
|
mVoiceConnector.isVoiceButtonOnPrimary());
|
|
initSuggest();
|
|
switcher.updateShiftState();
|
|
}
|
|
|
|
@Override
|
|
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
|
|
String key) {
|
|
mSubtypeSwitcher.onSharedPreferenceChanged(sharedPreferences, key);
|
|
if (Settings.PREF_SELECTED_LANGUAGES.equals(key)) {
|
|
mRefreshKeyboardRequired = true;
|
|
} else if (Settings.PREF_RECORRECTION_ENABLED.equals(key)) {
|
|
mReCorrectionEnabled = sharedPreferences.getBoolean(
|
|
Settings.PREF_RECORRECTION_ENABLED,
|
|
mResources.getBoolean(R.bool.default_recorrection_enabled));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onSwipeDown() {
|
|
if (mConfigSwipeDownDismissKeyboardEnabled)
|
|
handleClose();
|
|
}
|
|
|
|
@Override
|
|
public void onPress(int primaryCode) {
|
|
if (mKeyboardSwitcher.isVibrateAndSoundFeedbackRequired()) {
|
|
vibrate();
|
|
playKeyClick(primaryCode);
|
|
}
|
|
KeyboardSwitcher switcher = mKeyboardSwitcher;
|
|
final boolean distinctMultiTouch = switcher.hasDistinctMultitouch();
|
|
if (distinctMultiTouch && primaryCode == Keyboard.CODE_SHIFT) {
|
|
switcher.onPressShift();
|
|
} else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
|
|
switcher.onPressSymbol();
|
|
} else {
|
|
switcher.onOtherKeyPressed();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onRelease(int primaryCode) {
|
|
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();
|
|
} else if (distinctMultiTouch && primaryCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
|
|
switcher.onReleaseSymbol();
|
|
}
|
|
}
|
|
|
|
|
|
// 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 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() {
|
|
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.setAutoTextEnabled(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<? extends PreferenceActivity> 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;
|
|
Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
|
|
mVibrateOn = vibrator != null && vibrator.hasVibrator()
|
|
&& prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
|
|
mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON, false);
|
|
mPopupOn = prefs.getBoolean(Settings.PREF_POPUP_ON,
|
|
mResources.getBoolean(R.bool.config_default_popup_preview));
|
|
mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
|
|
mQuickFixes = prefs.getBoolean(Settings.PREF_QUICK_FIXES, true);
|
|
|
|
mAutoCorrectEnabled = isAutoCorrectEnabled(prefs);
|
|
mBigramSuggestionEnabled = mAutoCorrectEnabled && isBigramSuggestionEnabled(prefs);
|
|
loadAndSetAutoCorrectionThreshold(prefs);
|
|
|
|
mVoiceConnector.loadSettings(attribute, prefs);
|
|
|
|
updateCorrectionMode();
|
|
updateAutoTextEnabled();
|
|
updateSuggestionVisibility(prefs);
|
|
SubtypeSwitcher.getInstance().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 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) {
|
|
// TODO: Define default value instead of 'true'.
|
|
return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, true);
|
|
}
|
|
|
|
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 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[] {
|
|
itemInputMethod, itemSettings},
|
|
new DialogInterface.OnClickListener() {
|
|
|
|
@Override
|
|
public void onClick(DialogInterface di, int position) {
|
|
di.dismiss();
|
|
switch (position) {
|
|
case POS_SETTINGS:
|
|
launchSettings();
|
|
break;
|
|
case POS_METHOD:
|
|
mImm.showInputMethodPicker();
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
builder.setTitle(mResources.getString(R.string.english_ime_input_options));
|
|
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();
|
|
}
|
|
|
|
@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));
|
|
}
|
|
|
|
@Override
|
|
public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype) {
|
|
SubtypeSwitcher.getInstance().updateSubtype(subtype);
|
|
}
|
|
}
|