| /* |
| * Copyright (C) 2018 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 android.telephony.ims; |
| |
| import android.Manifest; |
| import android.annotation.CallbackExecutor; |
| import android.annotation.NonNull; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.ims.aidl.IImsConfigCallback; |
| import android.telephony.ims.stub.ImsConfigImplBase; |
| |
| import com.android.internal.telephony.ITelephony; |
| |
| import java.util.concurrent.Executor; |
| |
| /** |
| * Manages IMS provisioning and configuration parameters, as well as callbacks for apps to listen |
| * to changes in these configurations. |
| * |
| * Note: IMS provisioning keys are defined per carrier or OEM using OMA-DM or other provisioning |
| * applications and may vary. |
| * @hide |
| */ |
| @SystemApi |
| public class ProvisioningManager { |
| |
| /** |
| * Callback for IMS provisioning changes. |
| */ |
| public static class Callback { |
| |
| private static class CallbackBinder extends IImsConfigCallback.Stub { |
| |
| private final Callback mLocalConfigurationCallback; |
| private Executor mExecutor; |
| |
| private CallbackBinder(Callback localConfigurationCallback) { |
| mLocalConfigurationCallback = localConfigurationCallback; |
| } |
| |
| @Override |
| public final void onIntConfigChanged(int item, int value) { |
| Binder.withCleanCallingIdentity(() -> |
| mExecutor.execute(() -> |
| mLocalConfigurationCallback.onProvisioningIntChanged(item, value))); |
| } |
| |
| @Override |
| public final void onStringConfigChanged(int item, String value) { |
| Binder.withCleanCallingIdentity(() -> |
| mExecutor.execute(() -> |
| mLocalConfigurationCallback.onProvisioningStringChanged(item, |
| value))); |
| } |
| |
| private void setExecutor(Executor executor) { |
| mExecutor = executor; |
| } |
| } |
| |
| private final CallbackBinder mBinder = new CallbackBinder(this); |
| |
| /** |
| * Called when a provisioning item has changed. |
| * @param item the IMS provisioning key constant, as defined by the OEM. |
| * @param value the new integer value of the IMS provisioning key. |
| */ |
| public void onProvisioningIntChanged(int item, int value) { |
| // Base Implementation |
| } |
| |
| /** |
| * Called when a provisioning item has changed. |
| * @param item the IMS provisioning key constant, as defined by the OEM. |
| * @param value the new String value of the IMS configuration constant. |
| */ |
| public void onProvisioningStringChanged(int item, String value) { |
| // Base Implementation |
| } |
| |
| /**@hide*/ |
| public final IImsConfigCallback getBinder() { |
| return mBinder; |
| } |
| |
| /**@hide*/ |
| public void setExecutor(Executor executor) { |
| mBinder.setExecutor(executor); |
| } |
| } |
| |
| private int mSubId; |
| |
| /** |
| * Create a new {@link ProvisioningManager} for the subscription specified. |
| * @param context The context that this manager will use. |
| * @param subId The ID of the subscription that this ProvisioningManager will use. |
| * @see android.telephony.SubscriptionManager#getActiveSubscriptionInfoList() |
| * @throws IllegalArgumentException if the subscription is invalid or |
| * the subscription ID is not an active subscription. |
| */ |
| public static ProvisioningManager createForSubscriptionId(Context context, int subId) { |
| if (!SubscriptionManager.isValidSubscriptionId(subId) |
| || !getSubscriptionManager(context).isActiveSubscriptionId(subId)) { |
| throw new IllegalArgumentException("Invalid subscription ID"); |
| } |
| |
| return new ProvisioningManager(subId); |
| } |
| |
| private ProvisioningManager(int subId) { |
| mSubId = subId; |
| } |
| |
| /** |
| * Register a new {@link Callback} to listen to changes to changes in |
| * IMS provisioning. Use {@link SubscriptionManager.OnSubscriptionsChangedListener} to listen to |
| * Subscription changed events and call |
| * {@link #unregisterProvisioningChangedCallback(Callback)} to clean up after a |
| * subscription is removed. |
| * @param executor The {@link Executor} to call the callback methods on |
| * @param callback The provisioning callbackto be registered. |
| * @see #unregisterProvisioningChangedCallback(Callback) |
| * @see SubscriptionManager.OnSubscriptionsChangedListener |
| */ |
| @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE) |
| public void registerProvisioningChangedCallback(@CallbackExecutor Executor executor, |
| @NonNull Callback callback) { |
| callback.setExecutor(executor); |
| try { |
| getITelephony().registerImsProvisioningChangedCallback(mSubId, |
| callback.getBinder()); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Unregister an existing {@link Callback}. Ensure to call this method when cleaning |
| * up to avoid memory leaks or when the subscription is removed. |
| * @param callback The existing {@link Callback} to be removed. |
| * @see #registerProvisioningChangedCallback(Executor, Callback) |
| */ |
| @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE) |
| public void unregisterProvisioningChangedCallback(@NonNull Callback callback) { |
| try { |
| getITelephony().unregisterImsProvisioningChangedCallback(mSubId, |
| callback.getBinder()); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Query for the integer value associated with the provided key. |
| * @param key An integer that represents the provisioning key, which is defined by the OEM. |
| * @return an integer value for the provided key. |
| * @throws IllegalArgumentException if the key provided was invalid. |
| */ |
| @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE) |
| public int getProvisioningIntValue(int key) { |
| try { |
| return getITelephony().getImsProvisioningInt(mSubId, key); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Query for the String value associated with the provided key. |
| * @param key An integer that represents the provisioning key, which is defined by the OEM. |
| * @return a String value for the provided key, or {@code null} if the key doesn't exist. |
| * @throws IllegalArgumentException if the key provided was invalid. |
| */ |
| @RequiresPermission(Manifest.permission.READ_PRIVILEGED_PHONE_STATE) |
| public String getProvisioningStringValue(int key) { |
| try { |
| return getITelephony().getImsProvisioningString(mSubId, key); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Set the integer value associated with the provided key. |
| * @param key An integer that represents the provisioning key, which is defined by the OEM. |
| * @param value a integer value for the provided key. |
| * @return the result of setting the configuration value. |
| */ |
| @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE) |
| public @ImsConfigImplBase.SetConfigResult int setProvisioningIntValue(int key, int value) { |
| try { |
| return getITelephony().setImsProvisioningInt(mSubId, key, value); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Set the String value associated with the provided key. |
| * |
| * @param key An integer that represents the provisioning key, which is defined by the OEM. |
| * @param value a String value for the provided key. |
| * @return the result of setting the configuration value. |
| */ |
| @RequiresPermission(Manifest.permission.MODIFY_PHONE_STATE) |
| public @ImsConfigImplBase.SetConfigResult int setProvisioningStringValue(int key, |
| String value) { |
| try { |
| return getITelephony().setImsProvisioningString(mSubId, key, value); |
| } catch (RemoteException e) { |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| private static SubscriptionManager getSubscriptionManager(Context context) { |
| SubscriptionManager manager = context.getSystemService(SubscriptionManager.class); |
| if (manager == null) { |
| throw new RuntimeException("Could not find SubscriptionManager."); |
| } |
| return manager; |
| } |
| |
| private static ITelephony getITelephony() { |
| ITelephony binder = ITelephony.Stub.asInterface( |
| ServiceManager.getService(Context.TELEPHONY_SERVICE)); |
| if (binder == null) { |
| throw new RuntimeException("Could not find Telephony Service."); |
| } |
| return binder; |
| } |
| } |