1 /* 2 * Copyright (C) 2018 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.settings.homepage.contextualcards.conditional; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.net.ConnectivityManager; 23 import android.telephony.PhoneStateListener; 24 import android.telephony.PreciseDataConnectionState; 25 import android.telephony.SubscriptionManager; 26 import android.telephony.TelephonyManager; 27 28 import com.android.settings.R; 29 import com.android.settings.Settings; 30 import com.android.settings.homepage.contextualcards.ContextualCard; 31 import com.android.settings.network.GlobalSettingsChangeListener; 32 33 import java.util.Objects; 34 35 public class CellularDataConditionController implements ConditionalCardController { 36 37 static final int ID = Objects.hash("CellularDataConditionController"); 38 39 private final Context mAppContext; 40 private final ConditionManager mConditionManager; 41 private final GlobalSettingsChangeListener mDefaultDataSubscriptionIdListener; 42 private final ConnectivityManager mConnectivityManager; 43 44 private int mSubId; 45 private TelephonyManager mTelephonyManager; 46 private boolean mIsListeningConnectionChange; 47 CellularDataConditionController(Context appContext, ConditionManager conditionManager)48 public CellularDataConditionController(Context appContext, ConditionManager conditionManager) { 49 mAppContext = appContext; 50 mConditionManager = conditionManager; 51 mSubId = getDefaultDataSubscriptionId(appContext); 52 mTelephonyManager = getTelephonyManager(appContext, mSubId); 53 mDefaultDataSubscriptionIdListener = new GlobalSettingsChangeListener(appContext, 54 android.provider.Settings.Global.MULTI_SIM_DATA_CALL_SUBSCRIPTION) { 55 public void onChanged(String field) { 56 final int subId = getDefaultDataSubscriptionId(mAppContext); 57 if (subId == mSubId) { 58 return; 59 } 60 mSubId = subId; 61 if (mIsListeningConnectionChange) { 62 restartPhoneStateListener(mAppContext, subId); 63 } 64 } 65 }; 66 mConnectivityManager = appContext.getSystemService( 67 ConnectivityManager.class); 68 } 69 70 @Override getId()71 public long getId() { 72 return ID; 73 } 74 75 @Override isDisplayable()76 public boolean isDisplayable() { 77 if (!mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE) 78 || mTelephonyManager.getSimState() != TelephonyManager.SIM_STATE_READY) { 79 return false; 80 } 81 return !mTelephonyManager.isDataEnabled(); 82 } 83 84 @Override onPrimaryClick(Context context)85 public void onPrimaryClick(Context context) { 86 context.startActivity(new Intent(context, 87 Settings.DataUsageSummaryActivity.class)); 88 } 89 90 @Override onActionClick()91 public void onActionClick() { 92 mTelephonyManager.setDataEnabled(true); 93 } 94 95 @Override buildContextualCard()96 public ContextualCard buildContextualCard() { 97 return new ConditionalContextualCard.Builder() 98 .setConditionId(ID) 99 .setMetricsConstant(SettingsEnums.SETTINGS_CONDITION_CELLULAR_DATA) 100 .setActionText(mAppContext.getText(R.string.condition_turn_on)) 101 .setName(mAppContext.getPackageName() + "/" 102 + mAppContext.getText(R.string.condition_cellular_title)) 103 .setTitleText(mAppContext.getText(R.string.condition_cellular_title).toString()) 104 .setSummaryText(mAppContext.getText(R.string.condition_cellular_summary).toString()) 105 .setIconDrawable(mAppContext.getDrawable(R.drawable.ic_cellular_off)) 106 .setViewType(ConditionContextualCardRenderer.VIEW_TYPE_HALF_WIDTH) 107 .build(); 108 } 109 110 @Override startMonitoringStateChange()111 public void startMonitoringStateChange() { 112 restartPhoneStateListener(mAppContext, mSubId); 113 } 114 115 @Override stopMonitoringStateChange()116 public void stopMonitoringStateChange() { 117 stopPhoneStateListener(); 118 } 119 getDefaultDataSubscriptionId(Context context)120 private int getDefaultDataSubscriptionId(Context context) { 121 final SubscriptionManager subscriptionManager = 122 context.getSystemService(SubscriptionManager.class); 123 return subscriptionManager.getDefaultDataSubscriptionId(); 124 } 125 getTelephonyManager(Context context, int subId)126 private TelephonyManager getTelephonyManager(Context context, int subId) { 127 final TelephonyManager telephonyManager = 128 context.getSystemService(TelephonyManager.class); 129 return telephonyManager.createForSubscriptionId(subId); 130 } 131 132 private final PhoneStateListener mPhoneStateListener = new PhoneStateListener() { 133 @Override 134 public void onPreciseDataConnectionStateChanged( 135 PreciseDataConnectionState dataConnectionState) { 136 mConditionManager.onConditionChanged(); 137 } 138 }; 139 stopPhoneStateListener()140 private void stopPhoneStateListener() { 141 mIsListeningConnectionChange = false; 142 mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE); 143 } 144 145 // restart monitoring when subscription has been changed restartPhoneStateListener(Context context, int subId)146 private void restartPhoneStateListener(Context context, int subId) { 147 stopPhoneStateListener(); 148 mIsListeningConnectionChange = true; 149 150 // switch mTelephonyManager only when subscription been updated to valid ones 151 if (SubscriptionManager.isValidSubscriptionId(subId)) { 152 mTelephonyManager = getTelephonyManager(context, subId); 153 } 154 155 mTelephonyManager.listen(mPhoneStateListener, 156 PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE); 157 } 158 } 159