| /* |
| * Copyright (C) 2017 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.accessibility; |
| |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.content.ComponentName; |
| import android.content.pm.ServiceInfo; |
| import android.os.Bundle; |
| import android.provider.Settings; |
| import androidx.annotation.Keep; |
| import androidx.preference.SwitchPreference; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| import androidx.preference.TwoStatePreference; |
| import android.text.TextUtils; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import com.android.internal.logging.nano.MetricsProto; |
| import com.android.settingslib.accessibility.AccessibilityUtils; |
| import com.android.tv.settings.R; |
| import com.android.tv.settings.SettingsPreferenceFragment; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Fragment for Accessibility settings |
| */ |
| @Keep |
| public class AccessibilityFragment extends SettingsPreferenceFragment { |
| private static final String TOGGLE_HIGH_TEXT_CONTRAST_KEY = "toggle_high_text_contrast"; |
| private static final String ACCESSIBILITY_SERVICES_KEY = "system_accessibility_services"; |
| |
| private PreferenceGroup mServicesPref; |
| |
| /** |
| * Create a new instance of the fragment |
| * @return New fragment instance |
| */ |
| public static AccessibilityFragment newInstance() { |
| return new AccessibilityFragment(); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| if (mServicesPref != null) { |
| refreshServices(mServicesPref); |
| } |
| } |
| |
| @Override |
| public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { |
| setPreferencesFromResource(R.xml.accessibility, null); |
| |
| final TwoStatePreference highContrastPreference = |
| (TwoStatePreference) findPreference(TOGGLE_HIGH_TEXT_CONTRAST_KEY); |
| highContrastPreference.setChecked(Settings.Secure.getInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, 0) == 1); |
| |
| mServicesPref = (PreferenceGroup) findPreference(ACCESSIBILITY_SERVICES_KEY); |
| refreshServices(mServicesPref); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(Preference preference) { |
| if (TextUtils.equals(preference.getKey(), TOGGLE_HIGH_TEXT_CONTRAST_KEY)) { |
| Settings.Secure.putInt(getActivity().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, |
| (((SwitchPreference) preference).isChecked() ? 1 : 0)); |
| return true; |
| } else { |
| return super.onPreferenceTreeClick(preference); |
| } |
| } |
| |
| private void refreshServices(PreferenceGroup group) { |
| final List<AccessibilityServiceInfo> installedServiceInfos = |
| getActivity().getSystemService(AccessibilityManager.class) |
| .getInstalledAccessibilityServiceList(); |
| final Set<ComponentName> enabledServices = |
| AccessibilityUtils.getEnabledServicesFromSettings(getActivity()); |
| final boolean accessibilityEnabled = Settings.Secure.getInt( |
| getActivity().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1; |
| |
| for (final AccessibilityServiceInfo accInfo : installedServiceInfos) { |
| final ServiceInfo serviceInfo = accInfo.getResolveInfo().serviceInfo; |
| final ComponentName componentName = new ComponentName(serviceInfo.packageName, |
| serviceInfo.name); |
| |
| final boolean serviceEnabled = accessibilityEnabled |
| && enabledServices.contains(componentName); |
| |
| final String title = accInfo.getResolveInfo() |
| .loadLabel(getActivity().getPackageManager()).toString(); |
| |
| final String key = "ServicePref:" + componentName.flattenToString(); |
| Preference servicePref = findPreference(key); |
| if (servicePref == null) { |
| servicePref = new Preference(group.getContext()); |
| servicePref.setKey(key); |
| } |
| servicePref.setTitle(title); |
| servicePref.setSummary(serviceEnabled ? R.string.settings_on : R.string.settings_off); |
| servicePref.setFragment(AccessibilityServiceFragment.class.getName()); |
| AccessibilityServiceFragment.prepareArgs(servicePref.getExtras(), |
| serviceInfo.packageName, |
| serviceInfo.name, |
| accInfo.getSettingsActivityName(), |
| title); |
| group.addPreference(servicePref); |
| } |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return MetricsProto.MetricsEvent.ACCESSIBILITY; |
| } |
| } |