| /* |
| * Copyright (C) 2016 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.internal.telephony.dataconnection; |
| |
| |
| import static android.telephony.PhoneStateListener.LISTEN_CALL_STATE; |
| import static android.telephony.PhoneStateListener.LISTEN_NONE; |
| |
| import android.annotation.IntDef; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.RegistrantList; |
| import android.os.SystemProperties; |
| import android.provider.Settings; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.Rlog; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.telephony.data.ApnSetting; |
| import android.util.LocalLog; |
| import android.util.Pair; |
| |
| import com.android.internal.telephony.GlobalSettingsHelper; |
| import com.android.internal.telephony.MultiSimSettingController; |
| import com.android.internal.telephony.Phone; |
| import com.android.internal.telephony.SubscriptionController; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * The class to hold different data enabled/disabled settings. Also it allows clients to register |
| * for overall data enabled setting changed event. |
| * @hide |
| */ |
| public class DataEnabledSettings { |
| |
| private static final String LOG_TAG = "DataEnabledSettings"; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(prefix = {"REASON_"}, |
| value = { |
| REASON_REGISTERED, |
| REASON_INTERNAL_DATA_ENABLED, |
| REASON_USER_DATA_ENABLED, |
| REASON_POLICY_DATA_ENABLED, |
| REASON_DATA_ENABLED_BY_CARRIER, |
| REASON_PROVISIONED_CHANGED, |
| REASON_PROVISIONING_DATA_ENABLED_CHANGED, |
| REASON_OVERRIDE_RULE_CHANGED, |
| REASON_OVERRIDE_CONDITION_CHANGED |
| }) |
| public @interface DataEnabledChangedReason {} |
| |
| public static final int REASON_REGISTERED = 0; |
| |
| public static final int REASON_INTERNAL_DATA_ENABLED = 1; |
| |
| public static final int REASON_USER_DATA_ENABLED = 2; |
| |
| public static final int REASON_POLICY_DATA_ENABLED = 3; |
| |
| public static final int REASON_DATA_ENABLED_BY_CARRIER = 4; |
| |
| public static final int REASON_PROVISIONED_CHANGED = 5; |
| |
| public static final int REASON_PROVISIONING_DATA_ENABLED_CHANGED = 6; |
| |
| public static final int REASON_OVERRIDE_RULE_CHANGED = 7; |
| |
| public static final int REASON_OVERRIDE_CONDITION_CHANGED = 8; |
| |
| /** |
| * responds to the setInternalDataEnabled call - used internally to turn off data. |
| * For example during emergency calls |
| */ |
| private boolean mInternalDataEnabled = true; |
| |
| /** |
| * Flag indicating data allowed by network policy manager or not. |
| */ |
| private boolean mPolicyDataEnabled = true; |
| |
| /** |
| * Indicate if metered APNs are enabled by the carrier. set false to block all the metered APNs |
| * from continuously sending requests, which causes undesired network load. |
| */ |
| private boolean mCarrierDataEnabled = true; |
| |
| private boolean mIsDataEnabled = false; |
| |
| private final Phone mPhone; |
| |
| private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| |
| private ContentResolver mResolver = null; |
| |
| private final RegistrantList mOverallDataEnabledChangedRegistrants = new RegistrantList(); |
| |
| // TODO: Merge this with mOverallDataEnabledChangedRegistrants. In the future, notifying data |
| // enabled changed with APN types bitmask |
| private final RegistrantList mOverallDataEnabledOverrideChangedRegistrants = |
| new RegistrantList(); |
| |
| private final LocalLog mSettingChangeLocalLog = new LocalLog(50); |
| |
| private DataEnabledOverride mDataEnabledOverride; |
| |
| private TelephonyManager mTelephonyManager; |
| |
| // for msim, user data enabled setting depends on subId. |
| private final SubscriptionManager.OnSubscriptionsChangedListener |
| mOnSubscriptionsChangeListener = |
| new SubscriptionManager.OnSubscriptionsChangedListener() { |
| @Override |
| public void onSubscriptionsChanged() { |
| synchronized (this) { |
| if (mSubId != mPhone.getSubId()) { |
| log("onSubscriptionsChanged subId: " + mSubId + " to: " |
| + mPhone.getSubId()); |
| mSubId = mPhone.getSubId(); |
| mDataEnabledOverride = getDataEnabledOverride(); |
| updatePhoneStateListener(); |
| updateDataEnabledAndNotify(REASON_USER_DATA_ENABLED); |
| mPhone.notifyUserMobileDataStateChanged(isUserDataEnabled()); |
| } |
| } |
| } |
| }; |
| |
| private void updatePhoneStateListener() { |
| mTelephonyManager.listen(mPhoneStateListener, LISTEN_NONE); |
| if (SubscriptionManager.isUsableSubscriptionId(mSubId)) { |
| mTelephonyManager = mTelephonyManager.createForSubscriptionId(mSubId); |
| } |
| mTelephonyManager.listen(mPhoneStateListener, LISTEN_CALL_STATE); |
| } |
| |
| private final PhoneStateListener mPhoneStateListener = new PhoneStateListener() { |
| @Override |
| public void onCallStateChanged(@TelephonyManager.CallState int state, String phoneNumber) { |
| updateDataEnabledAndNotify(REASON_OVERRIDE_CONDITION_CHANGED); |
| } |
| }; |
| |
| @Override |
| public String toString() { |
| return "[mInternalDataEnabled=" + mInternalDataEnabled |
| + ", isUserDataEnabled=" + isUserDataEnabled() |
| + ", isProvisioningDataEnabled=" + isProvisioningDataEnabled() |
| + ", mPolicyDataEnabled=" + mPolicyDataEnabled |
| + ", mCarrierDataEnabled=" + mCarrierDataEnabled |
| + ", mIsDataEnabled=" + mIsDataEnabled |
| + ", " + mDataEnabledOverride |
| + "]"; |
| } |
| |
| public DataEnabledSettings(Phone phone) { |
| mPhone = phone; |
| mResolver = mPhone.getContext().getContentResolver(); |
| SubscriptionManager subscriptionManager = (SubscriptionManager) mPhone.getContext() |
| .getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE); |
| subscriptionManager.addOnSubscriptionsChangedListener(mOnSubscriptionsChangeListener); |
| mTelephonyManager = (TelephonyManager) mPhone.getContext() |
| .getSystemService(Context.TELEPHONY_SERVICE); |
| mDataEnabledOverride = getDataEnabledOverride(); |
| updateDataEnabled(); |
| } |
| |
| private DataEnabledOverride getDataEnabledOverride() { |
| return new DataEnabledOverride(SubscriptionController.getInstance() |
| .getDataEnabledOverrideRules(mPhone.getSubId())); |
| } |
| |
| public synchronized void setInternalDataEnabled(boolean enabled) { |
| localLog("InternalDataEnabled", enabled); |
| if (mInternalDataEnabled != enabled) { |
| mInternalDataEnabled = enabled; |
| updateDataEnabledAndNotify(REASON_INTERNAL_DATA_ENABLED); |
| } |
| } |
| public synchronized boolean isInternalDataEnabled() { |
| return mInternalDataEnabled; |
| } |
| |
| public synchronized void setUserDataEnabled(boolean enabled) { |
| // Can't disable data for stand alone opportunistic subscription. |
| if (isStandAloneOpportunistic(mPhone.getSubId(), mPhone.getContext()) && !enabled) return; |
| |
| localLog("UserDataEnabled", enabled); |
| boolean changed = GlobalSettingsHelper.setInt(mPhone.getContext(), |
| Settings.Global.MOBILE_DATA, mPhone.getSubId(), (enabled ? 1 : 0)); |
| if (changed) { |
| mPhone.notifyUserMobileDataStateChanged(enabled); |
| updateDataEnabledAndNotify(REASON_USER_DATA_ENABLED); |
| MultiSimSettingController.getInstance().notifyUserDataEnabled(mPhone.getSubId(), |
| enabled); |
| } |
| } |
| |
| public synchronized boolean isUserDataEnabled() { |
| // User data should always be true for opportunistic subscription. |
| if (isStandAloneOpportunistic(mPhone.getSubId(), mPhone.getContext())) return true; |
| |
| boolean defaultVal = "true".equalsIgnoreCase(SystemProperties.get( |
| "ro.com.android.mobiledata", "true")); |
| |
| return GlobalSettingsHelper.getBoolean(mPhone.getContext(), |
| Settings.Global.MOBILE_DATA, mPhone.getSubId(), defaultVal); |
| } |
| |
| /** |
| * Set whether always allowing MMS data connection. |
| * |
| * @param alwaysAllow {@code true} if MMS data is always allowed. |
| * |
| * @return {@code false} if the setting is changed. |
| */ |
| public synchronized boolean setAlwaysAllowMmsData(boolean alwaysAllow) { |
| localLog("setAlwaysAllowMmsData", alwaysAllow); |
| mDataEnabledOverride.setAlwaysAllowMms(alwaysAllow); |
| boolean changed = SubscriptionController.getInstance() |
| .setDataEnabledOverrideRules(mPhone.getSubId(), mDataEnabledOverride.getRules()); |
| if (changed) { |
| updateDataEnabledAndNotify(REASON_OVERRIDE_RULE_CHANGED); |
| notifyDataEnabledOverrideChanged(); |
| } |
| |
| return changed; |
| } |
| |
| /** |
| * Set allowing mobile data during voice call. |
| * |
| * @param allow {@code true} if allowing using data during voice call, {@code false} if |
| * disallowed |
| * |
| * @return {@code false} if the setting is changed. |
| */ |
| public synchronized boolean setAllowDataDuringVoiceCall(boolean allow) { |
| localLog("setAllowDataDuringVoiceCall", allow); |
| mDataEnabledOverride.setDataAllowedInVoiceCall(allow); |
| boolean changed = SubscriptionController.getInstance() |
| .setDataEnabledOverrideRules(mPhone.getSubId(), mDataEnabledOverride.getRules()); |
| if (changed) { |
| updateDataEnabledAndNotify(REASON_OVERRIDE_RULE_CHANGED); |
| notifyDataEnabledOverrideChanged(); |
| } |
| |
| return changed; |
| } |
| |
| /** |
| * Check if data is allowed during voice call. |
| * |
| * @return {@code true} if data is allowed during voice call. |
| */ |
| public synchronized boolean isDataAllowedInVoiceCall() { |
| return mDataEnabledOverride.isDataAllowedInVoiceCall(); |
| } |
| |
| public synchronized void setPolicyDataEnabled(boolean enabled) { |
| localLog("PolicyDataEnabled", enabled); |
| if (mPolicyDataEnabled != enabled) { |
| mPolicyDataEnabled = enabled; |
| updateDataEnabledAndNotify(REASON_POLICY_DATA_ENABLED); |
| } |
| } |
| |
| public synchronized boolean isPolicyDataEnabled() { |
| return mPolicyDataEnabled; |
| } |
| |
| public synchronized void setCarrierDataEnabled(boolean enabled) { |
| localLog("CarrierDataEnabled", enabled); |
| if (mCarrierDataEnabled != enabled) { |
| mCarrierDataEnabled = enabled; |
| updateDataEnabledAndNotify(REASON_DATA_ENABLED_BY_CARRIER); |
| } |
| } |
| |
| public synchronized boolean isCarrierDataEnabled() { |
| return mCarrierDataEnabled; |
| } |
| |
| public synchronized void updateProvisionedChanged() { |
| updateDataEnabledAndNotify(REASON_PROVISIONED_CHANGED); |
| } |
| |
| public synchronized void updateProvisioningDataEnabled() { |
| updateDataEnabledAndNotify(REASON_PROVISIONING_DATA_ENABLED_CHANGED); |
| } |
| |
| public synchronized boolean isDataEnabled() { |
| return mIsDataEnabled; |
| } |
| |
| private synchronized void updateDataEnabledAndNotify(int reason) { |
| boolean prevDataEnabled = mIsDataEnabled; |
| |
| updateDataEnabled(); |
| |
| if (prevDataEnabled != mIsDataEnabled) { |
| notifyDataEnabledChanged(!prevDataEnabled, reason); |
| } |
| } |
| |
| private synchronized void updateDataEnabled() { |
| if (isProvisioning()) { |
| mIsDataEnabled = isProvisioningDataEnabled(); |
| } else { |
| mIsDataEnabled = mInternalDataEnabled && (isUserDataEnabled() || mDataEnabledOverride |
| .shouldOverrideDataEnabledSettings(mPhone, ApnSetting.TYPE_ALL)) |
| && mPolicyDataEnabled && mCarrierDataEnabled; |
| } |
| } |
| |
| public boolean isProvisioning() { |
| return Settings.Global.getInt(mResolver, Settings.Global.DEVICE_PROVISIONED, 0) == 0; |
| } |
| /** |
| * In provisioning, we might want to have enable mobile data during provisioning. It depends |
| * on value of Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED which is set by |
| * setupwizard. It only matters if it's in provisioning stage. |
| * @return whether we are enabling userData during provisioning stage. |
| */ |
| public boolean isProvisioningDataEnabled() { |
| final String prov_property = SystemProperties.get("ro.com.android.prov_mobiledata", |
| "false"); |
| boolean retVal = "true".equalsIgnoreCase(prov_property); |
| |
| final int prov_mobile_data = Settings.Global.getInt(mResolver, |
| Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED, |
| retVal ? 1 : 0); |
| retVal = prov_mobile_data != 0; |
| log("getDataEnabled during provisioning retVal=" + retVal + " - (" + prov_property |
| + ", " + prov_mobile_data + ")"); |
| |
| return retVal; |
| } |
| |
| public synchronized void setDataRoamingEnabled(boolean enabled) { |
| localLog("setDataRoamingEnabled", enabled); |
| |
| // will trigger handleDataOnRoamingChange() through observer |
| boolean changed = GlobalSettingsHelper.setBoolean(mPhone.getContext(), |
| Settings.Global.DATA_ROAMING, mPhone.getSubId(), enabled); |
| |
| if (changed) { |
| MultiSimSettingController.getInstance().notifyRoamingDataEnabled(mPhone.getSubId(), |
| enabled); |
| } |
| } |
| |
| /** |
| * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. |
| */ |
| public synchronized boolean getDataRoamingEnabled() { |
| return GlobalSettingsHelper.getBoolean(mPhone.getContext(), |
| Settings.Global.DATA_ROAMING, mPhone.getSubId(), getDefaultDataRoamingEnabled()); |
| } |
| |
| /** |
| * get default values for {@link Settings.Global#DATA_ROAMING} |
| * return {@code true} if either |
| * {@link CarrierConfigManager#KEY_CARRIER_DEFAULT_DATA_ROAMING_ENABLED_BOOL} or |
| * system property ro.com.android.dataroaming is set to true. otherwise return {@code false} |
| */ |
| public synchronized boolean getDefaultDataRoamingEnabled() { |
| final CarrierConfigManager configMgr = (CarrierConfigManager) |
| mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| boolean isDataRoamingEnabled = "true".equalsIgnoreCase(SystemProperties.get( |
| "ro.com.android.dataroaming", "false")); |
| isDataRoamingEnabled |= configMgr.getConfigForSubId(mPhone.getSubId()).getBoolean( |
| CarrierConfigManager.KEY_CARRIER_DEFAULT_DATA_ROAMING_ENABLED_BOOL); |
| return isDataRoamingEnabled; |
| } |
| |
| private void notifyDataEnabledChanged(boolean enabled, int reason) { |
| mOverallDataEnabledChangedRegistrants.notifyResult(new Pair<>(enabled, reason)); |
| } |
| |
| public void registerForDataEnabledChanged(Handler h, int what, Object obj) { |
| mOverallDataEnabledChangedRegistrants.addUnique(h, what, obj); |
| notifyDataEnabledChanged(isDataEnabled(), REASON_REGISTERED); |
| } |
| |
| public void unregisterForDataEnabledChanged(Handler h) { |
| mOverallDataEnabledChangedRegistrants.remove(h); |
| } |
| |
| private void notifyDataEnabledOverrideChanged() { |
| mOverallDataEnabledOverrideChangedRegistrants.notifyRegistrants(); |
| } |
| |
| /** |
| * Register for data enabled override changed event. |
| * |
| * @param h The handler |
| * @param what The event |
| */ |
| public void registerForDataEnabledOverrideChanged(Handler h, int what) { |
| mOverallDataEnabledOverrideChangedRegistrants.addUnique(h, what, null); |
| notifyDataEnabledOverrideChanged(); |
| } |
| |
| /** |
| * Unregistered for data enabled override changed event. |
| * |
| * @param h The handler |
| */ |
| public void unregisterForDataEnabledOverrideChanged(Handler h) { |
| mOverallDataEnabledOverrideChangedRegistrants.remove(h); |
| } |
| |
| private static boolean isStandAloneOpportunistic(int subId, Context context) { |
| SubscriptionInfo info = SubscriptionController.getInstance().getActiveSubscriptionInfo( |
| subId, context.getOpPackageName()); |
| return (info != null) && info.isOpportunistic() && info.getGroupUuid() == null; |
| } |
| |
| public synchronized boolean isDataEnabled(int apnType) { |
| if (isProvisioning()) { |
| return isProvisioningDataEnabled(); |
| } else { |
| boolean userDataEnabled = isUserDataEnabled(); |
| // Check if we should temporarily enable data in certain conditions. |
| boolean isDataEnabledOverridden = mDataEnabledOverride |
| .shouldOverrideDataEnabledSettings(mPhone, apnType); |
| |
| return (mInternalDataEnabled && mPolicyDataEnabled && mCarrierDataEnabled |
| && (userDataEnabled || isDataEnabledOverridden)); |
| } |
| } |
| |
| private void log(String s) { |
| Rlog.d(LOG_TAG, "[" + mPhone.getPhoneId() + "]" + s); |
| } |
| |
| private void localLog(String name, boolean value) { |
| mSettingChangeLocalLog.log(name + " change to " + value); |
| } |
| |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println(" DataEnabledSettings="); |
| mSettingChangeLocalLog.dump(fd, pw, args); |
| } |
| } |