244 lines
11 KiB
Java
244 lines
11 KiB
Java
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/*
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* Copyright (C) 2011 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 android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.Resources;
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import android.util.Log;
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import android.view.inputmethod.EditorInfo;
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import com.android.inputmethod.compat.InputTypeCompatUtils;
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import com.android.inputmethod.compat.VibratorCompatWrapper;
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import java.util.Arrays;
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import java.util.Locale;
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public class SettingsValues {
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private static final String TAG = SettingsValues.class.getSimpleName();
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// From resources:
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public final int mDelayUpdateOldSuggestions;
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public final String mWordSeparators;
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public final String mMagicSpaceStrippers;
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public final String mMagicSpaceSwappers;
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public final String mSuggestPuncs;
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public final SuggestedWords mSuggestPuncList;
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private final String mSymbolsExcludedFromWordSeparators;
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public final CharSequence mHintToSaveText;
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// From preferences:
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public final boolean mSoundOn; // Sound setting private to Latin IME (see mSilentModeOn)
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public final boolean mVibrateOn;
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public final boolean mKeyPreviewPopupOn;
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public final int mKeyPreviewPopupDismissDelay;
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public final boolean mAutoCap;
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public final boolean mAutoCorrectEnabled;
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public final double mAutoCorrectionThreshold;
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// Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
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public final boolean mBigramSuggestionEnabled;
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// Prediction: use bigrams to predict the next word when there is no input for it yet
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public final boolean mBigramPredictionEnabled;
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public final boolean mUseContactsDict;
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public final boolean mEnableSuggestionSpanInsertion;
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private final boolean mShowSettingsKey;
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private final boolean mVoiceKeyEnabled;
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private final boolean mVoiceKeyOnMain;
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public SettingsValues(final SharedPreferences prefs, final Context context,
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final String localeStr) {
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final Resources res = context.getResources();
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final Locale savedLocale;
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if (null != localeStr) {
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final Locale keyboardLocale = LocaleUtils.constructLocaleFromString(localeStr);
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savedLocale = LocaleUtils.setSystemLocale(res, keyboardLocale);
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} else {
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savedLocale = null;
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}
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// Get the resources
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mDelayUpdateOldSuggestions = res.getInteger(
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R.integer.config_delay_update_old_suggestions);
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mMagicSpaceStrippers = res.getString(R.string.magic_space_stripping_symbols);
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mMagicSpaceSwappers = res.getString(R.string.magic_space_swapping_symbols);
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String wordSeparators = mMagicSpaceStrippers + mMagicSpaceSwappers
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+ res.getString(R.string.magic_space_promoting_symbols);
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final String symbolsExcludedFromWordSeparators =
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res.getString(R.string.symbols_excluded_from_word_separators);
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for (int i = symbolsExcludedFromWordSeparators.length() - 1; i >= 0; --i) {
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wordSeparators = wordSeparators.replace(
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symbolsExcludedFromWordSeparators.substring(i, i + 1), "");
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}
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mSymbolsExcludedFromWordSeparators = symbolsExcludedFromWordSeparators;
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mWordSeparators = wordSeparators;
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mSuggestPuncs = res.getString(R.string.suggested_punctuations);
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// TODO: it would be nice not to recreate this each time we change the configuration
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mSuggestPuncList = createSuggestPuncList(mSuggestPuncs);
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mHintToSaveText = context.getText(R.string.hint_add_to_dictionary);
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// Get the settings preferences
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final boolean hasVibrator = VibratorCompatWrapper.getInstance(context).hasVibrator();
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mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON,
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res.getBoolean(R.bool.config_default_vibration_enabled));
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mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON,
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res.getBoolean(R.bool.config_default_sound_enabled));
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mKeyPreviewPopupOn = isKeyPreviewPopupEnabled(prefs, res);
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mKeyPreviewPopupDismissDelay = getKeyPreviewPopupDismissDelay(prefs, res);
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mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
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mAutoCorrectEnabled = isAutoCorrectEnabled(prefs, res);
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mBigramSuggestionEnabled = mAutoCorrectEnabled
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&& isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled);
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mBigramPredictionEnabled = mBigramSuggestionEnabled
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&& isBigramPredictionEnabled(prefs, res);
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mAutoCorrectionThreshold = getAutoCorrectionThreshold(prefs, res);
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mUseContactsDict = prefs.getBoolean(Settings.PREF_KEY_USE_CONTACTS_DICT, true);
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mEnableSuggestionSpanInsertion =
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prefs.getBoolean(Settings.PREF_KEY_ENABLE_SPAN_INSERT, true);
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final boolean defaultShowSettingsKey = res.getBoolean(
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R.bool.config_default_show_settings_key);
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mShowSettingsKey = isShowSettingsKeyOption(res)
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? prefs.getBoolean(Settings.PREF_SHOW_SETTINGS_KEY, defaultShowSettingsKey)
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: defaultShowSettingsKey;
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final String voiceModeMain = res.getString(R.string.voice_mode_main);
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final String voiceModeOff = res.getString(R.string.voice_mode_off);
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final String voiceMode = prefs.getString(Settings.PREF_VOICE_SETTINGS_KEY, voiceModeMain);
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mVoiceKeyEnabled = voiceMode != null && !voiceMode.equals(voiceModeOff);
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mVoiceKeyOnMain = voiceMode != null && voiceMode.equals(voiceModeMain);
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LocaleUtils.setSystemLocale(res, savedLocale);
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}
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public boolean isSuggestedPunctuation(int code) {
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return mSuggestPuncs.contains(String.valueOf((char)code));
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}
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public boolean isWordSeparator(int code) {
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return mWordSeparators.contains(String.valueOf((char)code));
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}
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public boolean isSymbolExcludedFromWordSeparators(int code) {
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return mSymbolsExcludedFromWordSeparators.contains(String.valueOf((char)code));
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}
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public boolean isMagicSpaceStripper(int code) {
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return mMagicSpaceStrippers.contains(String.valueOf((char)code));
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}
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public boolean isMagicSpaceSwapper(int code) {
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return mMagicSpaceSwappers.contains(String.valueOf((char)code));
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}
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private static boolean isAutoCorrectEnabled(SharedPreferences sp, Resources resources) {
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final String currentAutoCorrectionSetting = sp.getString(
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Settings.PREF_AUTO_CORRECTION_THRESHOLD,
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resources.getString(R.string.auto_correction_threshold_mode_index_modest));
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final String autoCorrectionOff = resources.getString(
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R.string.auto_correction_threshold_mode_index_off);
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return !currentAutoCorrectionSetting.equals(autoCorrectionOff);
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}
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// Public to access from KeyboardSwitcher. Should it have access to some
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// process-global instance instead?
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public static boolean isKeyPreviewPopupEnabled(SharedPreferences sp, Resources resources) {
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final boolean showPopupOption = resources.getBoolean(
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R.bool.config_enable_show_popup_on_keypress_option);
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if (!showPopupOption) return resources.getBoolean(R.bool.config_default_popup_preview);
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return sp.getBoolean(Settings.PREF_KEY_PREVIEW_POPUP_ON,
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resources.getBoolean(R.bool.config_default_popup_preview));
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}
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// Likewise
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public static int getKeyPreviewPopupDismissDelay(SharedPreferences sp,
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Resources resources) {
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return Integer.parseInt(sp.getString(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
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Integer.toString(resources.getInteger(R.integer.config_delay_after_preview))));
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}
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private static boolean isBigramSuggestionEnabled(SharedPreferences sp, Resources resources,
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boolean autoCorrectEnabled) {
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final boolean showBigramSuggestionsOption = resources.getBoolean(
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R.bool.config_enable_bigram_suggestions_option);
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if (!showBigramSuggestionsOption) {
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return autoCorrectEnabled;
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}
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return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, resources.getBoolean(
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R.bool.config_default_bigram_suggestions));
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}
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private static boolean isBigramPredictionEnabled(SharedPreferences sp,
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Resources resources) {
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return sp.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, resources.getBoolean(
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R.bool.config_default_bigram_prediction));
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}
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private static double getAutoCorrectionThreshold(SharedPreferences sp,
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Resources resources) {
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final String currentAutoCorrectionSetting = sp.getString(
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Settings.PREF_AUTO_CORRECTION_THRESHOLD,
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resources.getString(R.string.auto_correction_threshold_mode_index_modest));
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final String[] autoCorrectionThresholdValues = resources.getStringArray(
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R.array.auto_correction_threshold_values);
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// When autoCorrectionThreshold is greater than 1.0, it's like auto correction is off.
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double autoCorrectionThreshold = Double.MAX_VALUE;
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try {
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final int arrayIndex = Integer.valueOf(currentAutoCorrectionSetting);
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if (arrayIndex >= 0 && arrayIndex < autoCorrectionThresholdValues.length) {
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autoCorrectionThreshold = Double.parseDouble(
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autoCorrectionThresholdValues[arrayIndex]);
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}
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} catch (NumberFormatException e) {
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// Whenever the threshold settings are correct, never come here.
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autoCorrectionThreshold = Double.MAX_VALUE;
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Log.w(TAG, "Cannot load auto correction threshold setting."
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+ " currentAutoCorrectionSetting: " + currentAutoCorrectionSetting
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+ ", autoCorrectionThresholdValues: "
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+ Arrays.toString(autoCorrectionThresholdValues));
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}
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return autoCorrectionThreshold;
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}
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private static SuggestedWords createSuggestPuncList(final String puncs) {
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SuggestedWords.Builder builder = new SuggestedWords.Builder();
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if (puncs != null) {
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for (int i = 0; i < puncs.length(); i++) {
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builder.addWord(puncs.subSequence(i, i + 1));
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}
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}
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return builder.setIsPunctuationSuggestions().build();
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}
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public static boolean isShowSettingsKeyOption(final Resources resources) {
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return resources.getBoolean(R.bool.config_enable_show_settings_key_option);
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}
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public boolean isSettingsKeyEnabled() {
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return mShowSettingsKey;
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}
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public boolean isVoiceKeyEnabled(EditorInfo editorInfo) {
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final boolean shortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled();
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final int inputType = (editorInfo != null) ? editorInfo.inputType : 0;
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return shortcutImeEnabled && mVoiceKeyEnabled
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&& !InputTypeCompatUtils.isPasswordInputType(inputType);
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}
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public boolean isVoiceKeyOnMain() {
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return mVoiceKeyOnMain;
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}
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}
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