Merge "Refactor settings flags." (4ef1b6b6) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/LatinIME.java

+108 −257

File changed.

Preview size limit exceeded, changes collapsed.

java/src/com/android/inputmethod/latin/Settings.java

+187 −0

Original line number	Diff line number	Diff line
		@@ -25,9 +25,11 @@ import com.android.inputmethod.compat.VibratorCompatWrapper;
		import android.app.AlertDialog;
		import android.app.Dialog;
		import android.app.backup.BackupManager;
		import android.content.Context;
		import android.content.DialogInterface;
		import android.content.Intent;
		import android.content.SharedPreferences;
		import android.content.res.Resources;
		import android.os.Bundle;
		import android.preference.CheckBoxPreference;
		import android.preference.ListPreference;
		@@ -43,6 +45,7 @@ import android.text.method.LinkMovementMethod;
		import android.util.Log;
		import android.widget.TextView;

		import java.util.Arrays;
		import java.util.Locale;

		public class Settings extends PreferenceActivity
		@@ -79,6 +82,190 @@ public class Settings extends PreferenceActivity
		// Dialog ids
		private static final int VOICE_INPUT_CONFIRM_DIALOG = 0;

		public static class Values {
		// From resources:
		public final boolean mEnableShowSubtypeSettings;
		public final boolean mSwipeDownDismissKeyboardEnabled;
		public final int mDelayBeforeFadeoutLanguageOnSpacebar;
		public final int mDelayUpdateSuggestions;
		public final int mDelayUpdateOldSuggestions;
		public final int mDelayUpdateShiftState;
		public final int mDurationOfFadeoutLanguageOnSpacebar;
		public final float mFinalFadeoutFactorOfLanguageOnSpacebar;
		public final long mDoubleSpacesTurnIntoPeriodTimeout;
		public final String mWordSeparators;
		public final String mMagicSpaceStrippers;
		public final String mMagicSpaceSwappers;
		public final String mSuggestPuncs;
		public final SuggestedWords mSuggestPuncList;

		// From preferences:
		public final boolean mSoundOn; // Sound setting private to Latin IME (see mSilentModeOn)
		public final boolean mVibrateOn;
		public final boolean mPopupOn; // Warning : this escapes through LatinIME#isPopupOn
		public final boolean mAutoCap;
		public final boolean mQuickFixes;
		public final boolean mAutoCorrectEnabled;
		public final double mAutoCorrectionThreshold;
		// Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
		public final boolean mBigramSuggestionEnabled;
		// Prediction: use bigrams to predict the next word when there is no input for it yet
		public final boolean mBigramPredictionEnabled;

		public Values(final SharedPreferences prefs, final Context context,
		final String localeStr) {
		final Resources res = context.getResources();
		final Locale savedLocale;
		if (null != localeStr) {
		final Locale keyboardLocale = new Locale(localeStr);
		savedLocale = Utils.setSystemLocale(res, keyboardLocale);
		} else {
		savedLocale = null;
		}

		// Get the resources
		mEnableShowSubtypeSettings = res.getBoolean(
		R.bool.config_enable_show_subtype_settings);
		mSwipeDownDismissKeyboardEnabled = res.getBoolean(
		R.bool.config_swipe_down_dismiss_keyboard_enabled);
		mDelayBeforeFadeoutLanguageOnSpacebar = res.getInteger(
		R.integer.config_delay_before_fadeout_language_on_spacebar);
		mDelayUpdateSuggestions =
		res.getInteger(R.integer.config_delay_update_suggestions);
		mDelayUpdateOldSuggestions = res.getInteger(
		R.integer.config_delay_update_old_suggestions);
		mDelayUpdateShiftState =
		res.getInteger(R.integer.config_delay_update_shift_state);
		mDurationOfFadeoutLanguageOnSpacebar = res.getInteger(
		R.integer.config_duration_of_fadeout_language_on_spacebar);
		mFinalFadeoutFactorOfLanguageOnSpacebar = res.getInteger(
		R.integer.config_final_fadeout_percentage_of_language_on_spacebar) / 100.0f;
		mDoubleSpacesTurnIntoPeriodTimeout = res.getInteger(
		R.integer.config_double_spaces_turn_into_period_timeout);
		mMagicSpaceStrippers = res.getString(R.string.magic_space_stripping_symbols);
		mMagicSpaceSwappers = res.getString(R.string.magic_space_swapping_symbols);
		String wordSeparators = mMagicSpaceStrippers + mMagicSpaceSwappers
		+ res.getString(R.string.magic_space_promoting_symbols);
		final String notWordSeparators = res.getString(R.string.non_word_separator_symbols);
		for (int i = notWordSeparators.length() - 1; i >= 0; --i) {
		wordSeparators = wordSeparators.replace(notWordSeparators.substring(i, i + 1), "");
		}
		mWordSeparators = wordSeparators;
		mSuggestPuncs = res.getString(R.string.suggested_punctuations);
		// TODO: it would be nice not to recreate this each time we change the configuration
		mSuggestPuncList = createSuggestPuncList(mSuggestPuncs);

		// Get the settings preferences
		final boolean hasVibrator = VibratorCompatWrapper.getInstance(context).hasVibrator();
		mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
		mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON,
		res.getBoolean(R.bool.config_default_sound_enabled));

		mPopupOn = isPopupEnabled(prefs, res);
		mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
		mQuickFixes = isQuickFixesEnabled(prefs, res);

		mAutoCorrectEnabled = isAutoCorrectEnabled(prefs, res);
		mBigramSuggestionEnabled = mAutoCorrectEnabled
		&& isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled);
		mBigramPredictionEnabled = mBigramSuggestionEnabled
		&& isBigramPredictionEnabled(prefs, res);

		mAutoCorrectionThreshold = getAutoCorrectionThreshold(prefs, res);
		}

		public boolean isSuggestedPunctuation(int code) {
		return mSuggestPuncs.contains(String.valueOf((char)code));
		}

		public boolean isWordSeparator(int code) {
		return mWordSeparators.contains(String.valueOf((char)code));
		}

		public boolean isMagicSpaceStripper(int code) {
		return mMagicSpaceStrippers.contains(String.valueOf((char)code));
		}

		public boolean isMagicSpaceSwapper(int code) {
		return mMagicSpaceSwappers.contains(String.valueOf((char)code));
		}

		// Helper methods
		private static boolean isQuickFixesEnabled(SharedPreferences sp, Resources resources) {
		final boolean showQuickFixesOption = resources.getBoolean(
		R.bool.config_enable_quick_fixes_option);
		if (!showQuickFixesOption) {
		return isAutoCorrectEnabled(sp, resources);
		}
		return sp.getBoolean(Settings.PREF_QUICK_FIXES, resources.getBoolean(
		R.bool.config_default_quick_fixes));
		}
		private static boolean isAutoCorrectEnabled(SharedPreferences sp, Resources resources) {
		final String currentAutoCorrectionSetting = sp.getString(
		Settings.PREF_AUTO_CORRECTION_THRESHOLD,
		resources.getString(R.string.auto_correction_threshold_mode_index_modest));
		final String autoCorrectionOff = resources.getString(
		R.string.auto_correction_threshold_mode_index_off);
		return !currentAutoCorrectionSetting.equals(autoCorrectionOff);
		}
		private static boolean isPopupEnabled(SharedPreferences sp, Resources resources) {
		final boolean showPopupOption = resources.getBoolean(
		R.bool.config_enable_show_popup_on_keypress_option);
		if (!showPopupOption) return resources.getBoolean(R.bool.config_default_popup_preview);
		return sp.getBoolean(Settings.PREF_POPUP_ON,
		resources.getBoolean(R.bool.config_default_popup_preview));
		}
		private static boolean isBigramSuggestionEnabled(SharedPreferences sp, Resources resources,
		boolean autoCorrectEnabled) {
		final boolean showBigramSuggestionsOption = resources.getBoolean(
		R.bool.config_enable_bigram_suggestions_option);
		if (!showBigramSuggestionsOption) {
		return autoCorrectEnabled;
		}
		return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, resources.getBoolean(
		R.bool.config_default_bigram_suggestions));
		}
		private static boolean isBigramPredictionEnabled(SharedPreferences sp,
		Resources resources) {
		return sp.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, resources.getBoolean(
		R.bool.config_default_bigram_prediction));
		}
		private static double getAutoCorrectionThreshold(SharedPreferences sp,
		Resources resources) {
		final String currentAutoCorrectionSetting = sp.getString(
		Settings.PREF_AUTO_CORRECTION_THRESHOLD,
		resources.getString(R.string.auto_correction_threshold_mode_index_modest));
		final String[] autoCorrectionThresholdValues = resources.getStringArray(
		R.array.auto_correction_threshold_values);
		// When autoCorrectionThreshold is greater than 1.0, it's like auto correction is 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));
		}
		return autoCorrectionThreshold;
		}
		private static SuggestedWords createSuggestPuncList(final String puncs) {
		SuggestedWords.Builder builder = new SuggestedWords.Builder();
		if (puncs != null) {
		for (int i = 0; i < puncs.length(); i++) {
		builder.addWord(puncs.subSequence(i, i + 1));
		}
		}
		return builder.build();
		}
		}

		private PreferenceScreen mInputLanguageSelection;
		private CheckBoxPreference mQuickFixes;
		private ListPreference mVoicePreference;