1 /* 2 * Copyright (C) 2015 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 #include <memory> 18 #include <vector> 19 20 #include <jni.h> 21 22 namespace android { 23 namespace uhid { 24 25 class DeviceCallback { 26 public: 27 DeviceCallback(JNIEnv* env, jobject callback); 28 ~DeviceCallback(); 29 30 void onDeviceOpen(); 31 void onDeviceGetReport(uint32_t requestId, uint8_t reportId); 32 void onDeviceError(); 33 34 private: 35 JNIEnv* getJNIEnv(); 36 jobject mCallbackObject; 37 JavaVM* mJavaVM; 38 }; 39 40 class Device { 41 public: 42 static Device* open(int32_t id, const char* name, int32_t vid, int32_t pid, 43 std::vector<uint8_t> descriptor, std::unique_ptr<DeviceCallback> callback); 44 45 Device(int32_t id, int fd, std::unique_ptr<DeviceCallback> callback); 46 ~Device(); 47 48 void sendReport(const std::vector<uint8_t>& report) const; 49 void sendGetFeatureReportReply(uint32_t id, const std::vector<uint8_t>& report) const; 50 void close(); 51 52 int handleEvents(int events); 53 54 private: 55 int32_t mId; 56 int mFd; 57 std::unique_ptr<DeviceCallback> mDeviceCallback; 58 }; 59 60 61 } // namespace uhid 62 } // namespace android 63