| /* |
| * Copyright (C) 2016 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.tv.settings.system; |
| |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.provider.Settings; |
| import android.support.v17.preference.LeanbackPreferenceFragment; |
| import android.support.v4.content.LocalBroadcastManager; |
| import android.support.v7.preference.ListPreference; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceGroup; |
| import android.support.v7.preference.TwoStatePreference; |
| import android.text.TextUtils; |
| |
| import com.android.internal.app.LocalePicker; |
| import com.android.tv.settings.R; |
| import com.android.tv.settings.RadioPreference; |
| |
| import java.util.List; |
| |
| public class CaptionFragment extends LeanbackPreferenceFragment implements |
| Preference.OnPreferenceChangeListener { |
| |
| private static final String KEY_CAPTIONS_DISPLAY = "captions_display"; |
| private static final String KEY_CAPTIONS_LANGUAGE = "captions_language"; |
| private static final String KEY_CAPTIONS_TEXT_SIZE = "captions_text_size"; |
| private static final String KEY_CAPTIONS_STYLE_GROUP = "captions_style"; |
| private static final String KEY_CAPTIONS_STYLE_0 = "captions_style_0"; |
| private static final String KEY_CAPTIONS_STYLE_1 = "captions_style_1"; |
| private static final String KEY_CAPTIONS_STYLE_2 = "captions_style_2"; |
| private static final String KEY_CAPTIONS_STYLE_3 = "captions_style_3"; |
| private static final String KEY_CAPTIONS_STYLE_CUSTOM = "captions_style_custom"; |
| |
| private TwoStatePreference mCaptionsDisplayPref; |
| private ListPreference mCaptionsLanguagePref; |
| private ListPreference mCaptionsTextSizePref; |
| private PreferenceGroup mCaptionsStyleGroup; |
| private RadioPreference mCaptionsStyle0Pref; |
| private RadioPreference mCaptionsStyle1Pref; |
| private RadioPreference mCaptionsStyle2Pref; |
| private RadioPreference mCaptionsStyle3Pref; |
| private RadioPreference mCaptionsStyleCustomPref; |
| |
| public static CaptionFragment newInstance() { |
| return new CaptionFragment(); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| refresh(); |
| } |
| |
| @Override |
| public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { |
| setPreferencesFromResource(R.xml.caption, null); |
| |
| mCaptionsDisplayPref = (TwoStatePreference) findPreference(KEY_CAPTIONS_DISPLAY); |
| |
| final List<LocalePicker.LocaleInfo> localeInfoList = |
| LocalePicker.getAllAssetLocales(getContext(), false); |
| final String[] langNames = new String[localeInfoList.size() + 1]; |
| final String[] langLocales = new String[localeInfoList.size() + 1]; |
| langNames[0] = getString(R.string.captions_language_default); |
| langLocales[0] = ""; |
| int i = 1; |
| for (final LocalePicker.LocaleInfo info : localeInfoList) { |
| langNames[i] = info.toString(); |
| langLocales[i] = info.getLocale().toString(); |
| i++; |
| } |
| mCaptionsLanguagePref = (ListPreference) findPreference(KEY_CAPTIONS_LANGUAGE); |
| mCaptionsLanguagePref.setEntries(langNames); |
| mCaptionsLanguagePref.setEntryValues(langLocales); |
| mCaptionsLanguagePref.setOnPreferenceChangeListener(this); |
| |
| mCaptionsTextSizePref = (ListPreference) findPreference(KEY_CAPTIONS_TEXT_SIZE); |
| mCaptionsTextSizePref.setOnPreferenceChangeListener(this); |
| |
| mCaptionsStyleGroup = (PreferenceGroup) findPreference(KEY_CAPTIONS_STYLE_GROUP); |
| |
| mCaptionsStyle0Pref = (RadioPreference) findPreference(KEY_CAPTIONS_STYLE_0); |
| mCaptionsStyle1Pref = (RadioPreference) findPreference(KEY_CAPTIONS_STYLE_1); |
| mCaptionsStyle2Pref = (RadioPreference) findPreference(KEY_CAPTIONS_STYLE_2); |
| mCaptionsStyle3Pref = (RadioPreference) findPreference(KEY_CAPTIONS_STYLE_3); |
| mCaptionsStyleCustomPref = (RadioPreference) findPreference(KEY_CAPTIONS_STYLE_CUSTOM); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(Preference preference) { |
| final String key = preference.getKey(); |
| if (TextUtils.isEmpty(key)) { |
| return super.onPreferenceTreeClick(preference); |
| } |
| switch (key) { |
| case KEY_CAPTIONS_DISPLAY: |
| setCaptionsEnabled(((TwoStatePreference) preference).isChecked()); |
| return true; |
| case KEY_CAPTIONS_STYLE_0: |
| setCaptionsStyle(0); |
| mCaptionsStyle0Pref.setChecked(true); |
| mCaptionsStyle0Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| return true; |
| case KEY_CAPTIONS_STYLE_1: |
| setCaptionsStyle(1); |
| mCaptionsStyle1Pref.setChecked(true); |
| mCaptionsStyle1Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| return true; |
| case KEY_CAPTIONS_STYLE_2: |
| setCaptionsStyle(2); |
| mCaptionsStyle2Pref.setChecked(true); |
| mCaptionsStyle2Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| return true; |
| case KEY_CAPTIONS_STYLE_3: |
| setCaptionsStyle(3); |
| mCaptionsStyle3Pref.setChecked(true); |
| mCaptionsStyle3Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| return true; |
| case KEY_CAPTIONS_STYLE_CUSTOM: |
| setCaptionsStyle(-1); |
| mCaptionsStyleCustomPref.setChecked(true); |
| mCaptionsStyleCustomPref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| // Call to super to show custom configuration screen |
| return super.onPreferenceTreeClick(preference); |
| } |
| return super.onPreferenceTreeClick(preference); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| final String key = preference.getKey(); |
| if (TextUtils.isEmpty(key)) { |
| throw new IllegalStateException("Unknown preference change"); |
| } |
| switch (key) { |
| case KEY_CAPTIONS_LANGUAGE: |
| setCaptionsLocale((String) newValue); |
| break; |
| case KEY_CAPTIONS_TEXT_SIZE: |
| setCaptionsTextSize((String) newValue); |
| break; |
| default: |
| throw new IllegalStateException("Preference change with unknown key " + key); |
| } |
| return true; |
| } |
| |
| private void refresh() { |
| mCaptionsDisplayPref.setChecked(getCaptionsEnabled()); |
| mCaptionsLanguagePref.setValue(getCaptionsLocale()); |
| mCaptionsTextSizePref.setValue(getCaptionsTextSize()); |
| switch (getCaptionsStyle()) { |
| default: |
| case 0: |
| mCaptionsStyle0Pref.setChecked(true); |
| mCaptionsStyle0Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| break; |
| case 1: |
| mCaptionsStyle1Pref.setChecked(true); |
| mCaptionsStyle1Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| break; |
| case 2: |
| mCaptionsStyle2Pref.setChecked(true); |
| mCaptionsStyle2Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| break; |
| case 3: |
| mCaptionsStyle3Pref.setChecked(true); |
| mCaptionsStyle3Pref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| break; |
| case -1: |
| mCaptionsStyleCustomPref.setChecked(true); |
| mCaptionsStyleCustomPref.clearOtherRadioPreferences(mCaptionsStyleGroup); |
| break; |
| } |
| } |
| |
| private boolean getCaptionsEnabled() { |
| return Settings.Secure.getInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, 0) != 0; |
| } |
| |
| private void setCaptionsEnabled(boolean enabled) { |
| Settings.Secure.putInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, enabled ? 1 : 0); |
| } |
| |
| private int getCaptionsStyle() { |
| return Settings.Secure.getInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_PRESET, 0); |
| } |
| |
| private void setCaptionsStyle(int style) { |
| Settings.Secure.putInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_PRESET, style); |
| LocalBroadcastManager.getInstance(getContext()) |
| .sendBroadcast(new Intent(CaptionSettingsFragment.ACTION_REFRESH_CAPTIONS_PREVIEW)); |
| } |
| |
| private String getCaptionsLocale() { |
| final String captionLocale = Settings.Secure.getString(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_LOCALE); |
| return captionLocale == null ? "" : captionLocale; |
| } |
| |
| private void setCaptionsLocale(String locale) { |
| Settings.Secure.putString(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_LOCALE, locale); |
| } |
| |
| private String getCaptionsTextSize() { |
| final float textSize = Settings.Secure.getFloat(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_FONT_SCALE, 1); |
| |
| if (0 <= textSize && textSize < .375) { |
| return "0.25"; |
| } else if (textSize < .75) { |
| return "0.5"; |
| } else if (textSize < 1.25) { |
| return "1.0"; |
| } else if (textSize < 1.75) { |
| return "1.5"; |
| } else if (textSize < 2.5) { |
| return "2.0"; |
| } |
| |
| return "1.0"; |
| } |
| |
| private void setCaptionsTextSize(String textSize) { |
| Settings.Secure.putFloat(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_CAPTIONING_FONT_SCALE, Float.parseFloat(textSize)); |
| } |
| } |