diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/SettingsFragment.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/SettingsFragment.java | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/SettingsFragment.java b/java/src/com/android/inputmethod/latin/SettingsFragment.java new file mode 100644 index 000000000..4c90e485a --- /dev/null +++ b/java/src/com/android/inputmethod/latin/SettingsFragment.java @@ -0,0 +1,363 @@ +/* + * 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.PreferenceGroup; +import android.preference.PreferenceScreen; +import android.view.inputmethod.InputMethodSubtype; + +import com.android.inputmethod.latin.define.ProductionFlag; +import com.android.inputmethod.latin.setup.LauncherIconVisibilityManager; +import com.android.inputmethodcommon.InputMethodSettingsFragment; + +public final class SettingsFragment extends InputMethodSettingsFragment + implements SharedPreferences.OnSharedPreferenceChangeListener { + 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 void setPreferenceEnabled(final String preferenceKey, final boolean enabled) { + final Preference preference = findPreference(preferenceKey); + if (preference != null) { + preference.setEnabled(enabled); + } + } + + private static void removePreference(final String preferenceKey, final PreferenceGroup parent) { + if (parent == null) { + return; + } + final Preference preference = parent.findPreference(preferenceKey); + if (preference != null) { + parent.removePreference(preference); + } + } + + @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 miscSettings = + (PreferenceGroup) findPreference(Settings.PREF_MISC_SETTINGS); + + final Preference debugSettings = findPreference(Settings.PREF_DEBUG_SETTINGS); + if (debugSettings != null) { + if (ProductionFlag.IS_INTERNAL) { + final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN); + debugSettingsIntent.setClassName( + context.getPackageName(), DebugSettingsActivity.class.getName()); + debugSettings.setIntent(debugSettingsIntent); + } else { + miscSettings.removePreference(debugSettings); + } + } + + 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()) { + removePreference(Settings.PREF_VIBRATE_ON, generalSettings); + removePreference(Settings.PREF_VIBRATION_DURATION_SETTINGS, advancedSettings); + } + + mKeyPreviewPopupDismissDelay = + (ListPreference) findPreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY); + if (!Settings.readFromBuildConfigIfToShowKeyPreviewPopupSettingsOption(res)) { + removePreference(Settings.PREF_POPUP_ON, generalSettings); + removePreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, advancedSettings); + } else { + final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger( + R.integer.config_key_preview_linger_timeout)); + mKeyPreviewPopupDismissDelay.setEntries(new String[] { + res.getString(R.string.key_preview_popup_dismiss_no_delay), + res.getString(R.string.key_preview_popup_dismiss_default_delay), + }); + 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 PreferenceGroup textCorrectionGroup = + (PreferenceGroup) findPreference(Settings.PREF_CORRECTION_SETTINGS); + 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); + } + + if (!Settings.readFromBuildConfigIfGestureInputEnabled(res)) { + removePreference(Settings.PREF_GESTURE_SETTINGS, getPreferenceScreen()); + } + + final CheckBoxPreference showSetupWizardIcon = + (CheckBoxPreference)findPreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON); + showSetupWizardIcon.setChecked(Settings.readShowSetupWizardIcon(prefs, context)); + + setupKeyLongpressTimeoutSettings(prefs, res); + setupKeypressVibrationDurationSettings(prefs, res); + setupKeypressSoundVolumeSettings(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(); + final Resources res = getResources(); + if (key.equals(Settings.PREF_POPUP_ON)) { + setPreferenceEnabled(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, + Settings.readKeyPreviewPopupEnabled(prefs, res)); + } 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 gestureInputEnabled = Settings.readGestureInputEnabled(prefs, res); + setPreferenceEnabled(Settings.PREF_GESTURE_PREVIEW_TRAIL, gestureInputEnabled); + setPreferenceEnabled(Settings.PREF_GESTURE_FLOATING_PREVIEW_TEXT, gestureInputEnabled); + } else if (key.equals(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) { + LauncherIconVisibilityManager.updateSetupWizardIconVisibility(getActivity()); + } + ensureConsistencyOfAutoCorrectionSettings(); + updateVoiceModeSummary(); + updateShowCorrectionSuggestionsSummary(); + updateKeyPreviewPopupDelaySummary(); + refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources()); + } + + 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)); + } + + 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.getSubtypeDisplayNameInSystemLocale(subtype)); + } + 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) { + setPreferenceEnabled(Settings.PREF_VIBRATION_DURATION_SETTINGS, + Settings.readVibrationEnabled(sp, res)); + setPreferenceEnabled(Settings.PREF_KEYPRESS_SOUND_VOLUME, + Settings.readKeypressSoundEnabled(sp, res)); + } + + private void setupKeypressVibrationDurationSettings(final SharedPreferences sp, + final Resources res) { + final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( + Settings.PREF_VIBRATION_DURATION_SETTINGS); + if (pref == null) { + return; + } + pref.setInterface(new SeekBarDialogPreference.ValueProxy() { + @Override + public void writeValue(final int value, final String key) { + sp.edit().putInt(key, value).apply(); + } + + @Override + public int readValue(final String key) { + return Settings.readKeypressVibrationDuration(sp, res); + } + + @Override + public int readDefaultValue(final String key) { + return Settings.readDefaultKeypressVibrationDuration(res); + } + + @Override + public void feedbackValue(final int value) { + AudioAndHapticFeedbackManager.getInstance().vibrate(value); + } + }); + } + + private void setupKeyLongpressTimeoutSettings(final SharedPreferences sp, + final Resources res) { + final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( + Settings.PREF_KEY_LONGPRESS_TIMEOUT); + if (pref == null) { + return; + } + pref.setInterface(new SeekBarDialogPreference.ValueProxy() { + @Override + public void writeValue(final int value, final String key) { + sp.edit().putInt(key, value).apply(); + } + + @Override + public int readValue(final String key) { + return Settings.readKeyLongpressTimeout(sp, res); + } + + @Override + public int readDefaultValue(final String key) { + return Settings.readDefaultKeyLongpressTimeout(res); + } + + @Override + public void feedbackValue(final int value) {} + }); + } + + private void setupKeypressSoundVolumeSettings(final SharedPreferences sp, final Resources res) { + final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference( + Settings.PREF_KEYPRESS_SOUND_VOLUME); + if (pref == null) { + return; + } + final AudioManager am = (AudioManager)getActivity().getSystemService(Context.AUDIO_SERVICE); + pref.setInterface(new SeekBarDialogPreference.ValueProxy() { + private static final float PERCENTAGE_FLOAT = 100.0f; + + private float getValueFromPercentage(final int percentage) { + return percentage / PERCENTAGE_FLOAT; + } + + private int getPercentageFromValue(final float floatValue) { + return (int)(floatValue * PERCENTAGE_FLOAT); + } + + @Override + public void writeValue(final int value, final String key) { + sp.edit().putFloat(key, getValueFromPercentage(value)).apply(); + } + + @Override + public int readValue(final String key) { + return getPercentageFromValue(Settings.readKeypressSoundVolume(sp, res)); + } + + @Override + public int readDefaultValue(final String key) { + return getPercentageFromValue(Settings.readDefaultKeypressSoundVolume(res)); + } + + @Override + public void feedbackValue(final int value) { + am.playSoundEffect( + AudioManager.FX_KEYPRESS_STANDARD, getValueFromPercentage(value)); + } + }); + } +} |