1/* 2 * Copyright (C) 2019 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 */ 16package android.hardware.cas@1.1; 17 18import @1.0::HidlCasSessionId; 19import @1.0::ICas; 20import @1.0::Status; 21 22/** 23 * ICas is the API to control the cas system and is accessible from both 24 * Java and native level. It is used to manage sessions, provision/refresh 25 * the cas system, and process the EMM/ECM messages. It also allows bi-directional, 26 * scheme-specific communications between the client and the cas system. 27 */ 28 29interface ICas extends @1.0::ICas { 30 /** 31 * Send an scheme-specific session event to the CasPlugin. 32 * 33 * @param sessionId the id of an opened session. 34 * @param event an integer denoting a scheme-specific event to be sent. 35 * @param arg a scheme-specific integer argument for the event. 36 * @param data a byte array containing scheme-specific data for the event. 37 * @return status the status of the call. 38 */ 39 sendSessionEvent(HidlCasSessionId sessionId, int32_t event, int32_t arg, 40 vec<uint8_t> eventData) 41 generates (Status status); 42}; 43