1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.settings.accessibility; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.os.Bundle; 23 import android.support.annotation.NonNull; 24 import android.support.v14.preference.SwitchPreference; 25 import android.support.v7.preference.Preference; 26 import android.support.v7.preference.PreferenceScreen; 27 import android.support.v7.preference.TwoStatePreference; 28 import android.text.TextUtils; 29 30 import com.android.internal.logging.nano.MetricsProto; 31 import com.android.settingslib.accessibility.AccessibilityUtils; 32 import com.android.tv.settings.R; 33 import com.android.tv.settings.SettingsPreferenceFragment; 34 35 import java.util.Set; 36 37 /** 38 * Fragment for controlling accessibility service 39 */ 40 public class AccessibilityServiceFragment extends SettingsPreferenceFragment implements 41 AccessibilityServiceConfirmationFragment.OnAccessibilityServiceConfirmedListener { 42 private static final String ARG_PACKAGE_NAME = "packageName"; 43 private static final String ARG_SERVICE_NAME = "serviceName"; 44 private static final String ARG_SETTINGS_ACTIVITY_NAME = "settingsActivityName"; 45 private static final String ARG_LABEL = "label"; 46 47 private TwoStatePreference mEnablePref; 48 49 /** 50 * Put args in bundle 51 * @param args Bundle to prepare 52 * @param packageName Package of accessibility service 53 * @param serviceName Class of accessibility service 54 * @param activityName Class of accessibility service settings activity 55 * @param label Screen title 56 */ prepareArgs(@onNull Bundle args, String packageName, String serviceName, String activityName, String label)57 public static void prepareArgs(@NonNull Bundle args, String packageName, String serviceName, 58 String activityName, String label) { 59 args.putString(ARG_PACKAGE_NAME, packageName); 60 args.putString(ARG_SERVICE_NAME, serviceName); 61 args.putString(ARG_SETTINGS_ACTIVITY_NAME, activityName); 62 args.putString(ARG_LABEL, label); 63 } 64 65 @Override onCreatePreferences(Bundle savedInstanceState, String rootKey)66 public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { 67 final Context themedContext = getPreferenceManager().getContext(); 68 final PreferenceScreen screen = 69 getPreferenceManager().createPreferenceScreen(themedContext); 70 screen.setTitle(getArguments().getString(ARG_LABEL)); 71 72 mEnablePref = new SwitchPreference(themedContext); 73 mEnablePref.setTitle(R.string.system_accessibility_status); 74 mEnablePref.setFragment(AccessibilityServiceConfirmationFragment.class.getName()); 75 screen.addPreference(mEnablePref); 76 77 final Preference settingsPref = new Preference(themedContext); 78 settingsPref.setTitle(R.string.system_accessibility_config); 79 final String activityName = getArguments().getString(ARG_SETTINGS_ACTIVITY_NAME); 80 if (!TextUtils.isEmpty(activityName)) { 81 final String packageName = getArguments().getString(ARG_PACKAGE_NAME); 82 settingsPref.setIntent(new Intent(Intent.ACTION_MAIN) 83 .setComponent(new ComponentName(packageName, activityName))); 84 } else { 85 settingsPref.setEnabled(false); 86 } 87 screen.addPreference(settingsPref); 88 89 setPreferenceScreen(screen); 90 } 91 92 @Override onResume()93 public void onResume() { 94 super.onResume(); 95 96 final String packageName = getArguments().getString(ARG_PACKAGE_NAME); 97 final String serviceName = getArguments().getString(ARG_SERVICE_NAME); 98 99 final ComponentName serviceComponent = new ComponentName(packageName, serviceName); 100 final Set<ComponentName> enabledServices = 101 AccessibilityUtils.getEnabledServicesFromSettings(getActivity()); 102 final boolean enabled = enabledServices.contains(serviceComponent); 103 104 mEnablePref.setChecked(enabled); 105 AccessibilityServiceConfirmationFragment.prepareArgs(mEnablePref.getExtras(), 106 new ComponentName(packageName, serviceName), 107 getArguments().getString(ARG_LABEL), !enabled); 108 } 109 110 @Override onAccessibilityServiceConfirmed(ComponentName componentName, boolean enabling)111 public void onAccessibilityServiceConfirmed(ComponentName componentName, boolean enabling) { 112 AccessibilityUtils.setAccessibilityServiceState(getActivity(), 113 componentName, enabling); 114 } 115 116 @Override getMetricsCategory()117 public int getMetricsCategory() { 118 return MetricsProto.MetricsEvent.ACCESSIBILITY_SERVICE; 119 } 120 } 121