Extract Settings.Values to a new class

This is pretty much automatic refactoring. Thanks Eclipse!

Change-Id: I8ccd24d11878445c836347e9c487c91461eee9cd

1 files changed, 244 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/SettingsValues.java b/java/src/com/android/inputmethod/latin/SettingsValues.java
new file mode 100644
index 000000000..4aa683abe
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/SettingsValues.java
@@ -0,0 +1,244 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.util.Log;
+import android.view.inputmethod.EditorInfo;
+
+import com.android.inputmethod.compat.InputTypeCompatUtils;
+import com.android.inputmethod.compat.VibratorCompatWrapper;
+
+import java.util.Arrays;
+import java.util.Locale;
+
+public class SettingsValues {
+    private static final String TAG = SettingsValues.class.getSimpleName();
+
+    // From resources:
+    public final int mDelayUpdateOldSuggestions;
+    public final String mWordSeparators;
+    public final String mMagicSpaceStrippers;
+    public final String mMagicSpaceSwappers;
+    public final String mSuggestPuncs;
+    public final SuggestedWords mSuggestPuncList;
+    private final String mSymbolsExcludedFromWordSeparators;
+    public final CharSequence mHintToSaveText;
+
+    // From preferences:
+    public final boolean mSoundOn; // Sound setting private to Latin IME (see mSilentModeOn)
+    public final boolean mVibrateOn;
+    public final boolean mKeyPreviewPopupOn;
+    public final int mKeyPreviewPopupDismissDelay;
+    public final boolean mAutoCap;
+    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 final boolean mUseContactsDict;
+    public final boolean mEnableSuggestionSpanInsertion;
+
+    private final boolean mShowSettingsKey;
+    private final boolean mVoiceKeyEnabled;
+    private final boolean mVoiceKeyOnMain;
+
+    public SettingsValues(final SharedPreferences prefs, final Context context,
+            final String localeStr) {
+        final Resources res = context.getResources();
+        final Locale savedLocale;
+        if (null != localeStr) {
+            final Locale keyboardLocale = LocaleUtils.constructLocaleFromString(localeStr);
+            savedLocale = LocaleUtils.setSystemLocale(res, keyboardLocale);
+        } else {
+            savedLocale = null;
+        }
+
+        // Get the resources
+        mDelayUpdateOldSuggestions = res.getInteger(
+                R.integer.config_delay_update_old_suggestions);
+        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 symbolsExcludedFromWordSeparators =
+                res.getString(R.string.symbols_excluded_from_word_separators);
+        for (int i = symbolsExcludedFromWordSeparators.length() - 1; i >= 0; --i) {
+            wordSeparators = wordSeparators.replace(
+                    symbolsExcludedFromWordSeparators.substring(i, i + 1), "");
+        }
+        mSymbolsExcludedFromWordSeparators = symbolsExcludedFromWordSeparators;
+        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);
+        mHintToSaveText = context.getText(R.string.hint_add_to_dictionary);
+
+        // Get the settings preferences
+        final boolean hasVibrator = VibratorCompatWrapper.getInstance(context).hasVibrator();
+        mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON,
+                res.getBoolean(R.bool.config_default_vibration_enabled));
+        mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON,
+                res.getBoolean(R.bool.config_default_sound_enabled));
+        mKeyPreviewPopupOn = isKeyPreviewPopupEnabled(prefs, res);
+        mKeyPreviewPopupDismissDelay = getKeyPreviewPopupDismissDelay(prefs, res);
+        mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);
+        mAutoCorrectEnabled = isAutoCorrectEnabled(prefs, res);
+        mBigramSuggestionEnabled = mAutoCorrectEnabled
+                && isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled);
+        mBigramPredictionEnabled = mBigramSuggestionEnabled
+                && isBigramPredictionEnabled(prefs, res);
+        mAutoCorrectionThreshold = getAutoCorrectionThreshold(prefs, res);
+        mUseContactsDict = prefs.getBoolean(Settings.PREF_KEY_USE_CONTACTS_DICT, true);
+        mEnableSuggestionSpanInsertion =
+                prefs.getBoolean(Settings.PREF_KEY_ENABLE_SPAN_INSERT, true);
+        final boolean defaultShowSettingsKey = res.getBoolean(
+                R.bool.config_default_show_settings_key);
+        mShowSettingsKey = isShowSettingsKeyOption(res)
+                ? prefs.getBoolean(Settings.PREF_SHOW_SETTINGS_KEY, defaultShowSettingsKey)
+                : defaultShowSettingsKey;
+        final String voiceModeMain = res.getString(R.string.voice_mode_main);
+        final String voiceModeOff = res.getString(R.string.voice_mode_off);
+        final String voiceMode = prefs.getString(Settings.PREF_VOICE_SETTINGS_KEY, voiceModeMain);
+        mVoiceKeyEnabled = voiceMode != null && !voiceMode.equals(voiceModeOff);
+        mVoiceKeyOnMain = voiceMode != null && voiceMode.equals(voiceModeMain);
+
+        LocaleUtils.setSystemLocale(res, savedLocale);
+    }
+
+    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 isSymbolExcludedFromWordSeparators(int code) {
+        return mSymbolsExcludedFromWordSeparators.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));
+    }
+
+    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);
+    }
+
+    // Public to access from KeyboardSwitcher. Should it have access to some
+    // process-global instance instead?
+    public static boolean isKeyPreviewPopupEnabled(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_KEY_PREVIEW_POPUP_ON,
+                resources.getBoolean(R.bool.config_default_popup_preview));
+    }
+
+    // Likewise
+    public static int getKeyPreviewPopupDismissDelay(SharedPreferences sp,
+            Resources resources) {
+        return Integer.parseInt(sp.getString(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
+                Integer.toString(resources.getInteger(R.integer.config_delay_after_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.setIsPunctuationSuggestions().build();
+    }
+
+    public static boolean isShowSettingsKeyOption(final Resources resources) {
+        return resources.getBoolean(R.bool.config_enable_show_settings_key_option);
+
+    }
+
+    public boolean isSettingsKeyEnabled() {
+        return mShowSettingsKey;
+    }
+
+    public boolean isVoiceKeyEnabled(EditorInfo editorInfo) {
+        final boolean shortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled();
+        final int inputType = (editorInfo != null) ? editorInfo.inputType : 0;
+        return shortcutImeEnabled && mVoiceKeyEnabled
+                && !InputTypeCompatUtils.isPasswordInputType(inputType);
+    }
+
+    public boolean isVoiceKeyOnMain() {
+        return mVoiceKeyOnMain;
+    }
+}
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