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

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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.android.inputmethod.latin;
import android.app.AlertDialog;
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.media.AudioManager;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import com.android.inputmethod.latin.define.ProductionFlag;
import com.android.inputmethodcommon.InputMethodSettingsFragment;
public class Settings extends InputMethodSettingsFragment
implements SharedPreferences.OnSharedPreferenceChangeListener {
public static final boolean ENABLE_EXPERIMENTAL_SETTINGS = false;
// In the same order as xml/prefs.xml
public static final String PREF_GENERAL_SETTINGS = "general_settings";
public static final String PREF_AUTO_CAP = "auto_cap";
public static final String PREF_VIBRATE_ON = "vibrate_on";
public static final String PREF_SOUND_ON = "sound_on";
public static final String PREF_POPUP_ON = "popup_on";
public static final String PREF_VOICE_MODE = "voice_mode";
public static final String PREF_CORRECTION_SETTINGS = "correction_settings";
public static final String PREF_CONFIGURE_DICTIONARIES_KEY = "configure_dictionaries_key";
public static final String PREF_AUTO_CORRECTION_THRESHOLD = "auto_correction_threshold";
public static final String PREF_SHOW_SUGGESTIONS_SETTING = "show_suggestions_setting";
public static final String PREF_MISC_SETTINGS = "misc_settings";
public static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode";
public static final String PREF_ADVANCED_SETTINGS = "pref_advanced_settings";
public static final String PREF_SUPPRESS_LANGUAGE_SWITCH_KEY =
"pref_suppress_language_switch_key";
public static final String PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST =
"pref_include_other_imes_in_language_switch_list";
public static final String PREF_CUSTOM_INPUT_STYLES = "custom_input_styles";
public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
"pref_key_preview_popup_dismiss_delay";
public static final String PREF_KEY_USE_CONTACTS_DICT = "pref_key_use_contacts_dict";
public static final String PREF_BIGRAM_SUGGESTION = "next_word_suggestion";
public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
public static final String PREF_KEY_ENABLE_SPAN_INSERT = "enable_span_insert";
public static final String PREF_VIBRATION_DURATION_SETTINGS =
"pref_vibration_duration_settings";
public static final String PREF_KEYPRESS_SOUND_VOLUME =
"pref_keypress_sound_volume";
public static final String PREF_INPUT_LANGUAGE = "input_language";
public static final String PREF_SELECTED_LANGUAGES = "selected_languages";
public static final String PREF_DEBUG_SETTINGS = "debug_settings";
private PreferenceScreen mKeypressVibrationDurationSettingsPref;
private PreferenceScreen mKeypressSoundVolumeSettingsPref;
private ListPreference mVoicePreference;
private ListPreference mShowCorrectionSuggestionsPreference;
private ListPreference mAutoCorrectionThresholdPreference;
private ListPreference mKeyPreviewPopupDismissDelay;
// Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
private CheckBoxPreference mBigramSuggestion;
// Prediction: use bigrams to predict the next word when there is no input for it yet
private CheckBoxPreference mBigramPrediction;
private Preference mDebugSettingsPreference;
private TextView mKeypressVibrationDurationSettingsTextView;
private TextView mKeypressSoundVolumeSettingsTextView;
private void ensureConsistencyOfAutoCorrectionSettings() {
final String autoCorrectionOff = getResources().getString(
R.string.auto_correction_threshold_mode_index_off);
final String currentSetting = mAutoCorrectionThresholdPreference.getValue();
mBigramSuggestion.setEnabled(!currentSetting.equals(autoCorrectionOff));
if (null != mBigramPrediction) {
mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff));
}
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setInputMethodSettingsCategoryTitle(R.string.language_selection_title);
setSubtypeEnablerTitle(R.string.select_language);
addPreferencesFromResource(R.xml.prefs);
final Resources res = getResources();
final Context context = getActivity();
mVoicePreference = (ListPreference) findPreference(PREF_VOICE_MODE);
mShowCorrectionSuggestionsPreference =
(ListPreference) findPreference(PREF_SHOW_SUGGESTIONS_SETTING);
SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
prefs.registerOnSharedPreferenceChangeListener(this);
mAutoCorrectionThresholdPreference =
(ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD);
mBigramSuggestion = (CheckBoxPreference) findPreference(PREF_BIGRAM_SUGGESTION);
mBigramPrediction = (CheckBoxPreference) findPreference(PREF_BIGRAM_PREDICTIONS);
mDebugSettingsPreference = findPreference(PREF_DEBUG_SETTINGS);
if (mDebugSettingsPreference != null) {
final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN);
debugSettingsIntent.setClassName(
context.getPackageName(), DebugSettings.class.getName());
mDebugSettingsPreference.setIntent(debugSettingsIntent);
}
ensureConsistencyOfAutoCorrectionSettings();
final PreferenceGroup generalSettings =
(PreferenceGroup) findPreference(PREF_GENERAL_SETTINGS);
final PreferenceGroup textCorrectionGroup =
(PreferenceGroup) findPreference(PREF_CORRECTION_SETTINGS);
final PreferenceGroup miscSettings =
(PreferenceGroup) findPreference(PREF_MISC_SETTINGS);
final boolean showVoiceKeyOption = res.getBoolean(
R.bool.config_enable_show_voice_key_option);
if (!showVoiceKeyOption) {
generalSettings.removePreference(mVoicePreference);
}
if (!VibratorUtils.getInstance(context).hasVibrator()) {
generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
}
final boolean showPopupOption = res.getBoolean(
R.bool.config_enable_show_popup_on_keypress_option);
if (!showPopupOption) {
generalSettings.removePreference(findPreference(PREF_POPUP_ON));
}
final boolean showBigramSuggestionsOption = res.getBoolean(
R.bool.config_enable_next_word_suggestions_option);
if (!showBigramSuggestionsOption) {
textCorrectionGroup.removePreference(mBigramSuggestion);
if (null != mBigramPrediction) {
textCorrectionGroup.removePreference(mBigramPrediction);
}
}
final CheckBoxPreference includeOtherImesInLanguageSwitchList =
(CheckBoxPreference)findPreference(PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST);
includeOtherImesInLanguageSwitchList.setEnabled(
!SettingsValues.isLanguageSwitchKeySupressed(prefs));
mKeyPreviewPopupDismissDelay =
(ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
final String[] entries = new String[] {
res.getString(R.string.key_preview_popup_dismiss_no_delay),
res.getString(R.string.key_preview_popup_dismiss_default_delay),
};
final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger(
R.integer.config_key_preview_linger_timeout));
mKeyPreviewPopupDismissDelay.setEntries(entries);
mKeyPreviewPopupDismissDelay.setEntryValues(
new String[] { "0", popupDismissDelayDefaultValue });
if (null == mKeyPreviewPopupDismissDelay.getValue()) {
mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
}
mKeyPreviewPopupDismissDelay.setEnabled(
SettingsValues.isKeyPreviewPopupEnabled(prefs, res));
final PreferenceScreen dictionaryLink =
(PreferenceScreen) findPreference(PREF_CONFIGURE_DICTIONARIES_KEY);
final Intent intent = dictionaryLink.getIntent();
final int number = context.getPackageManager().queryIntentActivities(intent, 0).size();
if (0 >= number) {
textCorrectionGroup.removePreference(dictionaryLink);
}
final boolean showUsabilityStudyModeOption =
res.getBoolean(R.bool.config_enable_usability_study_mode_option)
|| ProductionFlag.IS_EXPERIMENTAL || ENABLE_EXPERIMENTAL_SETTINGS;
final Preference usabilityStudyPref = findPreference(PREF_USABILITY_STUDY_MODE);
if (!showUsabilityStudyModeOption) {
if (usabilityStudyPref != null) {
miscSettings.removePreference(usabilityStudyPref);
}
}
if (ProductionFlag.IS_EXPERIMENTAL) {
if (usabilityStudyPref instanceof CheckBoxPreference) {
CheckBoxPreference checkbox = (CheckBoxPreference)usabilityStudyPref;
checkbox.setChecked(prefs.getBoolean(PREF_USABILITY_STUDY_MODE, true));
checkbox.setSummary(R.string.settings_warning_researcher_mode);
}
}
mKeypressVibrationDurationSettingsPref =
(PreferenceScreen) findPreference(PREF_VIBRATION_DURATION_SETTINGS);
if (mKeypressVibrationDurationSettingsPref != null) {
mKeypressVibrationDurationSettingsPref.setOnPreferenceClickListener(
new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference arg0) {
showKeypressVibrationDurationSettingsDialog();
return true;
}
});
updateKeypressVibrationDurationSettingsSummary(prefs, res);
}
mKeypressSoundVolumeSettingsPref =
(PreferenceScreen) findPreference(PREF_KEYPRESS_SOUND_VOLUME);
if (mKeypressSoundVolumeSettingsPref != null) {
mKeypressSoundVolumeSettingsPref.setOnPreferenceClickListener(
new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference arg0) {
showKeypressSoundVolumeSettingDialog();
return true;
}
});
updateKeypressSoundVolumeSummary(prefs, res);
}
refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res);
}
@SuppressWarnings("unused")
@Override
public void onResume() {
super.onResume();
final boolean isShortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled();
if (isShortcutImeEnabled) {
updateVoiceModeSummary();
} else {
getPreferenceScreen().removePreference(mVoicePreference);
}
updateShowCorrectionSuggestionsSummary();
updateKeyPreviewPopupDelaySummary();
updateCustomInputStylesSummary();
}
@Override
public void onDestroy() {
getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
this);
super.onDestroy();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
(new BackupManager(getActivity())).dataChanged();
if (key.equals(PREF_POPUP_ON)) {
final ListPreference popupDismissDelay =
(ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
if (null != popupDismissDelay) {
popupDismissDelay.setEnabled(prefs.getBoolean(PREF_POPUP_ON, true));
}
} else if (key.equals(PREF_SUPPRESS_LANGUAGE_SWITCH_KEY)) {
final CheckBoxPreference includeOtherImesInLanguageSwicthList =
(CheckBoxPreference)findPreference(
PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST);
includeOtherImesInLanguageSwicthList.setEnabled(
!SettingsValues.isLanguageSwitchKeySupressed(prefs));
}
ensureConsistencyOfAutoCorrectionSettings();
updateVoiceModeSummary();
updateShowCorrectionSuggestionsSummary();
updateKeyPreviewPopupDelaySummary();
refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources());
}
private void updateShowCorrectionSuggestionsSummary() {
mShowCorrectionSuggestionsPreference.setSummary(
getResources().getStringArray(R.array.prefs_suggestion_visibilities)
[mShowCorrectionSuggestionsPreference.findIndexOfValue(
mShowCorrectionSuggestionsPreference.getValue())]);
}
private void updateCustomInputStylesSummary() {
final PreferenceScreen customInputStyles =
(PreferenceScreen)findPreference(PREF_CUSTOM_INPUT_STYLES);
final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
final Resources res = getResources();
final String prefSubtype = SettingsValues.getPrefAdditionalSubtypes(prefs, res);
final InputMethodSubtype[] subtypes =
AdditionalSubtype.createAdditionalSubtypesArray(prefSubtype);
final StringBuilder styles = new StringBuilder();
for (final InputMethodSubtype subtype : subtypes) {
if (styles.length() > 0) styles.append(", ");
styles.append(SubtypeLocale.getSubtypeDisplayName(subtype, res));
}
customInputStyles.setSummary(styles);
}
private void updateKeyPreviewPopupDelaySummary() {
final ListPreference lp = mKeyPreviewPopupDismissDelay;
lp.setSummary(lp.getEntries()[lp.findIndexOfValue(lp.getValue())]);
}
private void updateVoiceModeSummary() {
mVoicePreference.setSummary(
getResources().getStringArray(R.array.voice_input_modes_summary)
[mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
}
private void refreshEnablingsOfKeypressSoundAndVibrationSettings(
SharedPreferences sp, Resources res) {
if (mKeypressVibrationDurationSettingsPref != null) {
final boolean hasVibrator = VibratorUtils.getInstance(getActivity()).hasVibrator();
final boolean vibrateOn = hasVibrator && sp.getBoolean(Settings.PREF_VIBRATE_ON,
res.getBoolean(R.bool.config_default_vibration_enabled));
mKeypressVibrationDurationSettingsPref.setEnabled(vibrateOn);
}
if (mKeypressSoundVolumeSettingsPref != null) {
final boolean soundOn = sp.getBoolean(Settings.PREF_SOUND_ON,
res.getBoolean(R.bool.config_default_sound_enabled));
mKeypressSoundVolumeSettingsPref.setEnabled(soundOn);
}
}
private void updateKeypressVibrationDurationSettingsSummary(
SharedPreferences sp, Resources res) {
if (mKeypressVibrationDurationSettingsPref != null) {
mKeypressVibrationDurationSettingsPref.setSummary(
SettingsValues.getCurrentVibrationDuration(sp, res)
+ res.getString(R.string.settings_ms));
}
}
private void showKeypressVibrationDurationSettingsDialog() {
final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
final Context context = getActivity();
final Resources res = context.getResources();
final AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.prefs_keypress_vibration_duration_settings);
builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
final int ms = Integer.valueOf(
mKeypressVibrationDurationSettingsTextView.getText().toString());
sp.edit().putInt(Settings.PREF_VIBRATION_DURATION_SETTINGS, ms).apply();
updateKeypressVibrationDurationSettingsSummary(sp, res);
}
});
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dialog.dismiss();
}
});
final View v = LayoutInflater.from(context).inflate(
R.layout.vibration_settings_dialog, null);
final int currentMs = SettingsValues.getCurrentVibrationDuration(
getPreferenceManager().getSharedPreferences(), getResources());
mKeypressVibrationDurationSettingsTextView = (TextView)v.findViewById(R.id.vibration_value);
final SeekBar sb = (SeekBar)v.findViewById(R.id.vibration_settings);
sb.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
final int tempMs = arg1;
mKeypressVibrationDurationSettingsTextView.setText(String.valueOf(tempMs));
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
}
@Override
public void onStopTrackingTouch(SeekBar arg0) {
final int tempMs = arg0.getProgress();
VibratorUtils.getInstance(context).vibrate(tempMs);
}
});
sb.setProgress(currentMs);
mKeypressVibrationDurationSettingsTextView.setText(String.valueOf(currentMs));
builder.setView(v);
builder.create().show();
}
private void updateKeypressSoundVolumeSummary(SharedPreferences sp, Resources res) {
if (mKeypressSoundVolumeSettingsPref != null) {
mKeypressSoundVolumeSettingsPref.setSummary(String.valueOf(
(int)(SettingsValues.getCurrentKeypressSoundVolume(sp, res) * 100)));
}
}
private void showKeypressSoundVolumeSettingDialog() {
final Context context = getActivity();
final AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
final Resources res = context.getResources();
final AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.prefs_keypress_sound_volume_settings);
builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
final float volume =
((float)Integer.valueOf(
mKeypressSoundVolumeSettingsTextView.getText().toString())) / 100;
sp.edit().putFloat(Settings.PREF_KEYPRESS_SOUND_VOLUME, volume).apply();
updateKeypressSoundVolumeSummary(sp, res);
}
});
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
dialog.dismiss();
}
});
final View v = LayoutInflater.from(context).inflate(
R.layout.sound_effect_volume_dialog, null);
final int currentVolumeInt =
(int)(SettingsValues.getCurrentKeypressSoundVolume(sp, res) * 100);
mKeypressSoundVolumeSettingsTextView =
(TextView)v.findViewById(R.id.sound_effect_volume_value);
final SeekBar sb = (SeekBar)v.findViewById(R.id.sound_effect_volume_bar);
sb.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
final int tempVolume = arg1;
mKeypressSoundVolumeSettingsTextView.setText(String.valueOf(tempVolume));
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
}
@Override
public void onStopTrackingTouch(SeekBar arg0) {
final float tempVolume = ((float)arg0.getProgress()) / 100;
am.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, tempVolume);
}
});
sb.setProgress(currentVolumeInt);
mKeypressSoundVolumeSettingsTextView.setText(String.valueOf(currentVolumeInt));
builder.setView(v);
builder.create().show();
}
}