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/*
* Copyright (C) 2013 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.settings.accessibility;
import android.app.settings.SettingsEnums;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Bundle;
import android.provider.Settings;
import android.view.accessibility.CaptioningManager;
import androidx.preference.Preference;
import androidx.preference.Preference.OnPreferenceChangeListener;
import androidx.preference.SwitchPreference;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settingslib.search.SearchIndexable;
import com.google.common.primitives.Floats;
import java.util.ArrayList;
import java.util.List;
/** Settings fragment containing captioning properties. */
@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
public class CaptionPropertiesFragment extends SettingsPreferenceFragment
implements OnPreferenceChangeListener {
private static final String PREF_SWITCH = "captioning_preference_switch";
private static final String PREF_TEXT = "captioning_caption_appearance";
private static final String PREF_MORE = "captioning_more_options";
private CaptioningManager mCaptioningManager;
private SwitchPreference mSwitch;
private Preference mTextAppearance;
private Preference mMoreOptions;
private final List<Preference> mPreferenceList = new ArrayList<>();
private float[] mFontSizeValuesArray;
@Override
public int getMetricsCategory() {
return SettingsEnums.ACCESSIBILITY_CAPTION_PROPERTIES;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mCaptioningManager = (CaptioningManager) getSystemService(Context.CAPTIONING_SERVICE);
addPreferencesFromResource(R.xml.captioning_settings);
initializeAllPreferences();
installUpdateListeners();
initFontSizeValuesArray();
}
@Override
public void onResume() {
super.onResume();
updateAllPreferences();
}
private void initializeAllPreferences() {
mSwitch = (SwitchPreference) findPreference(PREF_SWITCH);
mTextAppearance = (Preference) findPreference(PREF_TEXT);
mMoreOptions = (Preference) findPreference(PREF_MORE);
mPreferenceList.add(mTextAppearance);
mPreferenceList.add(mMoreOptions);
}
private void installUpdateListeners() {
mSwitch.setOnPreferenceChangeListener(this);
}
private void initFontSizeValuesArray() {
final String[] fontSizeValuesStrArray = getPrefContext().getResources().getStringArray(
R.array.captioning_font_size_selector_values);
final int length = fontSizeValuesStrArray.length;
mFontSizeValuesArray = new float[length];
for (int i = 0; i < length; ++i) {
mFontSizeValuesArray[i] = Float.parseFloat(fontSizeValuesStrArray[i]);
}
}
private void updateAllPreferences() {
mSwitch.setChecked(mCaptioningManager.isEnabled());
mTextAppearance.setSummary(geTextAppearanceSummary(getPrefContext()));
}
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
final ContentResolver cr = getActivity().getContentResolver();
if (mSwitch == preference) {
Settings.Secure.putInt(
cr, Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, (boolean) value ? 1 : 0);
}
return true;
}
@Override
public int getHelpResource() {
return R.string.help_url_caption;
}
private CharSequence geTextAppearanceSummary(Context context) {
final String[] fontSizeSummaries = context.getResources().getStringArray(
R.array.captioning_font_size_selector_summaries);
final float fontSize = mCaptioningManager.getFontScale();
final int idx = Floats.indexOf(mFontSizeValuesArray, fontSize);
return fontSizeSummaries[idx == /* not exist */ -1 ? 0 : idx];
}
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.captioning_settings);
}
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