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/*
* Copyright (c) 2013 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.ims.internal;
import com.android.ims.ImsConfigListener;
/**
* Provides APIs to get/set the IMS service capability/parameters.
* The parameters can be configured by operator and/or user.
* We define 4 storage locations for the IMS config items:
* 1) Default config:For factory out device or device after factory data reset,
* the default config is used to build the initial state of the master config value.
* 2) Provisioned value: as the parameters provisioned by operator need to be preserved
* across FDR(factory data reset)/BOTA(over the air software upgrade), the operator
* provisioned items should be stored in memory location preserved across FDR/BOTA.
* 3) Master value: as the provisioned value can override the user setting,
* and the master config are used by IMS stack. They should be stored in the
* storage based on IMS vendor implementations.
* 4) User setting: For items can be changed by both user/operator, the user
* setting should take effect in some cases. So the user setting should be stored in
* database like setting.db.
*
* Priority consideration if both operator/user can config the same item:
* 1) For feature config items, the master value is obtained from the provisioned value
* masks with the user setting. Specifically the provisioned values overrides
* the user setting if feature is provisioned off. Otherwise, user setting takes
* effect.
* 2) For non-feature config item: to be implemented based on cases.
* Special cases considered as below:
* 1) Factory out device, the master configuration is built from default config.
* 2) For Factory data reset/SW upgrade device, the master config is built by
* taking provisioned value overriding default config.
* {@hide}
*/
interface IImsConfig {
/**
* Gets the value for ims service/capabilities parameters from the provisioned
* value storage. Synchronous blocking call.
*
* @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
* @return value in Integer format.
*/
int getProvisionedValue(int item);
/**
* Gets the value for ims service/capabilities parameters from the provisioned
* value storage. Synchronous blocking call.
*
* @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
* @return value in String format.
*/
String getProvisionedStringValue(int item);
/**
* Sets the value for IMS service/capabilities parameters by the operator device
* management entity. It sets the config item value in the provisioned storage
* from which the master value is derived. Synchronous blocking call.
*
* @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
* @param value in Integer format.
* @return as defined in com.android.ims.ImsConfig#OperationStatusConstants.
*/
int setProvisionedValue(int item, int value);
/**
* Sets the value for IMS service/capabilities parameters by the operator device
* management entity. It sets the config item value in the provisioned storage
* from which the master value is derived. Synchronous blocking call.
*
* @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
* @param value in String format.
* @return as defined in com.android.ims.ImsConfig#OperationStatusConstants.
*/
int setProvisionedStringValue(int item, String value);
/**
* Gets the value of the specified IMS feature item for specified network type.
* This operation gets the feature config value from the master storage (i.e. final
* value). Asynchronous non-blocking call.
*
* @param feature. as defined in com.android.ims.ImsConfig#FeatureConstants.
* @param network. as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
* @param listener. feature value returned asynchronously through listener.
* @return void
*/
oneway void getFeatureValue(int feature, int network, ImsConfigListener listener);
/**
* Sets the value for IMS feature item for specified network type.
* This operation stores the user setting in setting db from which master db
* is dervied.
*
* @param feature. as defined in com.android.ims.ImsConfig#FeatureConstants.
* @param network. as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
* @param value. as defined in com.android.ims.ImsConfig#FeatureValueConstants.
* @param listener, provided if caller needs to be notified for set result.
* @return void
*/
oneway void setFeatureValue(int feature, int network, int value, ImsConfigListener listener);
/**
* Gets the value for IMS volte provisioned.
* This should be the same as the operator provisioned value if applies.
*
* @return void
*/
boolean getVolteProvisioned();
}
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