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