1 /* 2 * Copyright (C) 2020 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 package com.android.settings.development; 17 18 import android.content.ContentResolver; 19 import android.content.Context; 20 import android.database.ContentObserver; 21 import android.debug.IAdbManager; 22 import android.net.Uri; 23 import android.os.Handler; 24 import android.os.Looper; 25 import android.os.RemoteException; 26 import android.os.ServiceManager; 27 import android.provider.Settings; 28 import android.util.Log; 29 30 import androidx.preference.Preference; 31 import androidx.preference.PreferenceScreen; 32 33 import com.android.settings.core.PreferenceControllerMixin; 34 import com.android.settings.widget.MasterSwitchPreference; 35 import com.android.settingslib.core.lifecycle.Lifecycle; 36 import com.android.settingslib.core.lifecycle.LifecycleObserver; 37 import com.android.settingslib.core.lifecycle.events.OnPause; 38 import com.android.settingslib.core.lifecycle.events.OnResume; 39 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 40 41 /** 42 * This controls the master switch controller in the developer options page for 43 * "Wireless debugging". 44 */ 45 public class WirelessDebuggingPreferenceController extends DeveloperOptionsPreferenceController 46 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin, 47 LifecycleObserver, OnResume, OnPause { 48 private static final String TAG = "WirelessDebugPrefCtrl"; 49 private final IAdbManager mAdbManager; 50 private final ContentResolver mContentResolver; 51 private final ContentObserver mSettingsObserver; 52 private final Handler mHandler = new Handler(Looper.getMainLooper()); 53 54 public static final String KEY_TOGGLE_ADB_WIRELESS = "toggle_adb_wireless"; 55 WirelessDebuggingPreferenceController(Context context, Lifecycle lifecycle)56 public WirelessDebuggingPreferenceController(Context context, Lifecycle lifecycle) { 57 super(context); 58 59 if (lifecycle != null) { 60 lifecycle.addObserver(this); 61 } 62 mAdbManager = IAdbManager.Stub.asInterface(ServiceManager.getService(Context.ADB_SERVICE)); 63 mSettingsObserver = new ContentObserver(mHandler) { 64 @Override 65 public void onChange(boolean selfChange, Uri uri) { 66 updateState(mPreference); 67 } 68 }; 69 mContentResolver = context.getContentResolver(); 70 } 71 72 @Override displayPreference(PreferenceScreen screen)73 public void displayPreference(PreferenceScreen screen) { 74 super.displayPreference(screen); 75 } 76 77 @Override isAvailable()78 public boolean isAvailable() { 79 try { 80 return mAdbManager.isAdbWifiSupported(); 81 } catch (RemoteException e) { 82 Log.e(TAG, "Unable to check if adb wifi is supported.", e); 83 } 84 85 return false; 86 } 87 88 @Override getPreferenceKey()89 public String getPreferenceKey() { 90 return KEY_TOGGLE_ADB_WIRELESS; 91 } 92 93 /** 94 * Called when developer options is enabled and the preference is available 95 */ 96 @Override onDeveloperOptionsSwitchEnabled()97 protected void onDeveloperOptionsSwitchEnabled() { 98 super.onDeveloperOptionsSwitchEnabled(); 99 mPreference.setEnabled(true); 100 } 101 102 /** 103 * Called when developer options is disabled and the preference is available 104 */ 105 @Override onDeveloperOptionsSwitchDisabled()106 protected void onDeveloperOptionsSwitchDisabled() { 107 super.onDeveloperOptionsSwitchDisabled(); 108 mPreference.setEnabled(false); 109 Settings.Global.putInt(mContext.getContentResolver(), 110 Settings.Global.ADB_WIFI_ENABLED, 111 AdbPreferenceController.ADB_SETTING_OFF); 112 } 113 114 @Override onResume()115 public void onResume() { 116 mContentResolver.registerContentObserver( 117 Settings.Global.getUriFor(Settings.Global.ADB_WIFI_ENABLED), false, 118 mSettingsObserver); 119 } 120 121 @Override onPause()122 public void onPause() { 123 mContentResolver.unregisterContentObserver(mSettingsObserver); 124 } 125 126 @Override updateState(Preference preference)127 public void updateState(Preference preference) { 128 boolean enabled = Settings.Global.getInt(mContentResolver, 129 Settings.Global.ADB_WIFI_ENABLED, AdbPreferenceController.ADB_SETTING_OFF) 130 != AdbPreferenceController.ADB_SETTING_OFF; 131 ((MasterSwitchPreference) preference).setChecked(enabled); 132 } 133 134 @Override onPreferenceChange(Preference preference, Object newValue)135 public boolean onPreferenceChange(Preference preference, Object newValue) { 136 final boolean enabled = (Boolean) newValue; 137 Settings.Global.putInt(mContext.getContentResolver(), 138 Settings.Global.ADB_WIFI_ENABLED, 139 enabled ? AdbPreferenceController.ADB_SETTING_ON 140 : AdbPreferenceController.ADB_SETTING_OFF); 141 return true; 142 } 143 } 144