/* * 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.backup.BackupManager; import android.content.Context; 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.inputmethod.InputMethodSubtype; import com.android.inputmethod.latin.define.ProductionFlag; import com.android.inputmethodcommon.InputMethodSettingsFragment; public final class SettingsFragment extends InputMethodSettingsFragment implements SharedPreferences.OnSharedPreferenceChangeListener { private PreferenceScreen mKeypressVibrationDurationSettingsPref; private PreferenceScreen mKeypressSoundVolumeSettingsPref; private ListPreference mVoicePreference; private ListPreference mShowCorrectionSuggestionsPreference; private ListPreference mAutoCorrectionThresholdPreference; private ListPreference mKeyPreviewPopupDismissDelay; // Use bigrams to predict the next word when there is no input for it yet private CheckBoxPreference mBigramPrediction; private Preference mDebugSettingsPreference; private void setPreferenceEnabled(final String preferenceKey, final boolean enabled) { final Preference preference = findPreference(preferenceKey); if (preference != null) { preference.setEnabled(enabled); } } private void ensureConsistencyOfAutoCorrectionSettings() { final String autoCorrectionOff = getResources().getString( R.string.auto_correction_threshold_mode_index_off); final String currentSetting = mAutoCorrectionThresholdPreference.getValue(); mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff)); } @Override public void onCreate(final 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(); // When we are called from the Settings application but we are not already running, the // {@link SubtypeLocale} class may not have been initialized. It is safe to call // {@link SubtypeLocale#init(Context)} multiple times. SubtypeLocale.init(context); mVoicePreference = (ListPreference) findPreference(Settings.PREF_VOICE_MODE); mShowCorrectionSuggestionsPreference = (ListPreference) findPreference(Settings.PREF_SHOW_SUGGESTIONS_SETTING); final SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); prefs.registerOnSharedPreferenceChangeListener(this); mAutoCorrectionThresholdPreference = (ListPreference) findPreference(Settings.PREF_AUTO_CORRECTION_THRESHOLD); mBigramPrediction = (CheckBoxPreference) findPreference(Settings.PREF_BIGRAM_PREDICTIONS); ensureConsistencyOfAutoCorrectionSettings(); final PreferenceGroup generalSettings = (PreferenceGroup) findPreference(Settings.PREF_GENERAL_SETTINGS); final PreferenceGroup textCorrectionGroup = (PreferenceGroup) findPreference(Settings.PREF_CORRECTION_SETTINGS); final PreferenceGroup gestureTypingSettings = (PreferenceGroup) findPreference(Settings.PREF_GESTURE_SETTINGS); final PreferenceGroup miscSettings = (PreferenceGroup) findPreference(Settings.PREF_MISC_SETTINGS); mDebugSettingsPreference = findPreference(Settings.PREF_DEBUG_SETTINGS); if (mDebugSettingsPreference != null) { if (ProductionFlag.IS_INTERNAL) { final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN); debugSettingsIntent.setClassName( context.getPackageName(), DebugSettingsActivity.class.getName()); mDebugSettingsPreference.setIntent(debugSettingsIntent); } else { miscSettings.removePreference(mDebugSettingsPreference); } } final boolean showVoiceKeyOption = res.getBoolean( R.bool.config_enable_show_voice_key_option); if (!showVoiceKeyOption) { generalSettings.removePreference(mVoicePreference); } final PreferenceGroup advancedSettings = (PreferenceGroup) findPreference(Settings.PREF_ADVANCED_SETTINGS); if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) { generalSettings.removePreference(findPreference(Settings.PREF_VIBRATE_ON)); if (null != advancedSettings) { // Theoretically advancedSettings cannot be null advancedSettings.removePreference( findPreference(Settings.PREF_VIBRATION_DURATION_SETTINGS)); } } final boolean showKeyPreviewPopupOption = res.getBoolean( R.bool.config_enable_show_popup_on_keypress_option); mKeyPreviewPopupDismissDelay = (ListPreference) findPreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY); if (!showKeyPreviewPopupOption) { generalSettings.removePreference(findPreference(Settings.PREF_POPUP_ON)); if (null != advancedSettings) { // Theoretically advancedSettings cannot be null advancedSettings.removePreference(mKeyPreviewPopupDismissDelay); } } else { 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( Settings.readKeyPreviewPopupEnabled(prefs, res)); } setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST, Settings.readShowsLanguageSwitchKey(prefs)); final PreferenceScreen dictionaryLink = (PreferenceScreen) findPreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY); final Intent intent = dictionaryLink.getIntent(); final int number = context.getPackageManager().queryIntentActivities(intent, 0).size(); // TODO: The experimental version is not supported by the Dictionary Pack Service yet if (ProductionFlag.IS_EXPERIMENTAL || 0 >= number) { textCorrectionGroup.removePreference(dictionaryLink); } final boolean gestureInputEnabledByBuildConfig = res.getBoolean( R.bool.config_gesture_input_enabled_by_build_config); if (!gestureInputEnabledByBuildConfig) { getPreferenceScreen().removePreference(gestureTypingSettings); } mKeypressVibrationDurationSettingsPref = (PreferenceScreen) findPreference(Settings.PREF_VIBRATION_DURATION_SETTINGS); if (mKeypressVibrationDurationSettingsPref != null) { mKeypressVibrationDurationSettingsPref.setOnPreferenceClickListener( new OnPreferenceClickListener() { @Override public boolean onPreferenceClick(Preference arg0) { showKeypressVibrationDurationSettingsDialog(); return true; } }); mKeypressVibrationDurationSettingsPref.setSummary( res.getString(R.string.settings_keypress_vibration_duration, Settings.readVibrationDuration(prefs, res))); } mKeypressSoundVolumeSettingsPref = (PreferenceScreen) findPreference(Settings.PREF_KEYPRESS_SOUND_VOLUME); if (mKeypressSoundVolumeSettingsPref != null) { mKeypressSoundVolumeSettingsPref.setOnPreferenceClickListener( new OnPreferenceClickListener() { @Override public boolean onPreferenceClick(Preference arg0) { showKeypressSoundVolumeSettingDialog(); return true; } }); mKeypressSoundVolumeSettingsPref.setSummary(String.valueOf( getCurrentKeyPressSoundVolumePercent(prefs, res))); } refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res); } @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(final SharedPreferences prefs, final String key) { (new BackupManager(getActivity())).dataChanged(); if (key.equals(Settings.PREF_POPUP_ON)) { setPreferenceEnabled(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, prefs.getBoolean(Settings.PREF_POPUP_ON, true)); } else if (key.equals(Settings.PREF_SHOW_LANGUAGE_SWITCH_KEY)) { setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST, Settings.readShowsLanguageSwitchKey(prefs)); } else if (key.equals(Settings.PREF_GESTURE_INPUT)) { final boolean gestureInputEnabledByConfig = getResources().getBoolean( R.bool.config_gesture_input_enabled_by_build_config); if (gestureInputEnabledByConfig) { final boolean gestureInputEnabledByUser = prefs.getBoolean( Settings.PREF_GESTURE_INPUT, true); setPreferenceEnabled(Settings.PREF_GESTURE_PREVIEW_TRAIL, gestureInputEnabledByUser); setPreferenceEnabled(Settings.PREF_GESTURE_FLOATING_PREVIEW_TEXT, gestureInputEnabledByUser); } } 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(Settings.PREF_CUSTOM_INPUT_STYLES); final SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); final Resources res = getResources(); final String prefSubtype = Settings.readPrefAdditionalSubtypes(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; final CharSequence[] entries = lp.getEntries(); if (entries == null || entries.length <= 0) return; lp.setSummary(entries[lp.findIndexOfValue(lp.getValue())]); } private void updateVoiceModeSummary() { mVoicePreference.setSummary( getResources().getStringArray(R.array.voice_input_modes_summary) [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]); } private void refreshEnablingsOfKeypressSoundAndVibrationSettings( final SharedPreferences sp, final Resources res) { if (mKeypressVibrationDurationSettingsPref != null) { final boolean hasVibratorHardware = AudioAndHapticFeedbackManager.getInstance().hasVibrator(); final boolean vibrateOnByUser = sp.getBoolean(Settings.PREF_VIBRATE_ON, res.getBoolean(R.bool.config_default_vibration_enabled)); mKeypressVibrationDurationSettingsPref.setEnabled( hasVibratorHardware && vibrateOnByUser); } 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 showKeypressVibrationDurationSettingsDialog() { final SharedPreferences sp = getPreferenceManager().getSharedPreferences(); final Context context = getActivity(); final PreferenceScreen settingsPref = mKeypressVibrationDurationSettingsPref; final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() { @Override public void onPositiveButtonClick(final SeekBarDialog dialog) { final int ms = dialog.getValue(); sp.edit().putInt(Settings.PREF_VIBRATION_DURATION_SETTINGS, ms).apply(); if (settingsPref != null) { settingsPref.setSummary(dialog.getValueText()); } } @Override public void onStopTrackingTouch(final SeekBarDialog dialog) { final int ms = dialog.getValue(); AudioAndHapticFeedbackManager.getInstance().vibrate(ms); } }; final int currentMs = Settings.readVibrationDuration(sp, getResources()); final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context); builder.setTitle(R.string.prefs_keypress_vibration_duration_settings) .setListener(listener) .setMaxValue(AudioAndHapticFeedbackManager.MAX_KEYPRESS_VIBRATION_DURATION) .setValueFromat(R.string.settings_keypress_vibration_duration) .setValue(currentMs) .create() .show(); } private static final int PERCENT_INT = 100; private static final float PERCENT_FLOAT = 100.0f; private static int getCurrentKeyPressSoundVolumePercent(final SharedPreferences sp, final Resources res) { return (int)(Settings.readKeypressSoundVolume(sp, res) * PERCENT_FLOAT); } private void showKeypressSoundVolumeSettingDialog() { final SharedPreferences sp = getPreferenceManager().getSharedPreferences(); final Context context = getActivity(); final AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); final PreferenceScreen settingsPref = mKeypressSoundVolumeSettingsPref; final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() { @Override public void onPositiveButtonClick(final SeekBarDialog dialog) { final float volume = dialog.getValue() / PERCENT_FLOAT; sp.edit().putFloat(Settings.PREF_KEYPRESS_SOUND_VOLUME, volume).apply(); if (settingsPref != null) { settingsPref.setSummary(dialog.getValueText()); } } @Override public void onStopTrackingTouch(final SeekBarDialog dialog) { final float volume = dialog.getValue() / PERCENT_FLOAT; am.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, volume); } }; final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context); final int currentVolumeInt = getCurrentKeyPressSoundVolumePercent(sp, getResources()); builder.setTitle(R.string.prefs_keypress_sound_volume_settings) .setListener(listener) .setMaxValue(PERCENT_INT) .setValue(currentVolumeInt) .create() .show(); } }