1/* 2 * Copyright (C) 2010 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 <stdint.h> 18#include <sys/types.h> 19 20#include <utils/Errors.h> 21#include <utils/RefBase.h> 22#include <utils/Vector.h> 23#include <utils/Timers.h> 24 25#include <binder/Parcel.h> 26#include <binder/IInterface.h> 27 28#include <gui/Sensor.h> 29#include <gui/ISensorServer.h> 30#include <gui/ISensorEventConnection.h> 31 32namespace android { 33// ---------------------------------------------------------------------------- 34 35enum { 36 GET_SENSOR_LIST = IBinder::FIRST_CALL_TRANSACTION, 37 CREATE_SENSOR_EVENT_CONNECTION, 38 ENABLE_DATA_INJECTION, 39 GET_DYNAMIC_SENSOR_LIST, 40}; 41 42class BpSensorServer : public BpInterface<ISensorServer> 43{ 44public: 45 BpSensorServer(const sp<IBinder>& impl) 46 : BpInterface<ISensorServer>(impl) 47 { 48 } 49 50 virtual ~BpSensorServer(); 51 52 virtual Vector<Sensor> getSensorList(const String16& opPackageName) 53 { 54 Parcel data, reply; 55 data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor()); 56 data.writeString16(opPackageName); 57 remote()->transact(GET_SENSOR_LIST, data, &reply); 58 Sensor s; 59 Vector<Sensor> v; 60 uint32_t n = reply.readUint32(); 61 v.setCapacity(n); 62 while (n--) { 63 reply.read(s); 64 v.add(s); 65 } 66 return v; 67 } 68 69 virtual Vector<Sensor> getDynamicSensorList(const String16& opPackageName) 70 { 71 Parcel data, reply; 72 data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor()); 73 data.writeString16(opPackageName); 74 remote()->transact(GET_DYNAMIC_SENSOR_LIST, data, &reply); 75 Sensor s; 76 Vector<Sensor> v; 77 uint32_t n = reply.readUint32(); 78 v.setCapacity(n); 79 while (n--) { 80 reply.read(s); 81 v.add(s); 82 } 83 return v; 84 } 85 86 virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName, 87 int mode, const String16& opPackageName) 88 { 89 Parcel data, reply; 90 data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor()); 91 data.writeString8(packageName); 92 data.writeInt32(mode); 93 data.writeString16(opPackageName); 94 remote()->transact(CREATE_SENSOR_EVENT_CONNECTION, data, &reply); 95 return interface_cast<ISensorEventConnection>(reply.readStrongBinder()); 96 } 97 98 virtual int isDataInjectionEnabled() { 99 Parcel data, reply; 100 data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor()); 101 remote()->transact(ENABLE_DATA_INJECTION, data, &reply); 102 return reply.readInt32(); 103 } 104}; 105 106// Out-of-line virtual method definition to trigger vtable emission in this 107// translation unit (see clang warning -Wweak-vtables) 108BpSensorServer::~BpSensorServer() {} 109 110IMPLEMENT_META_INTERFACE(SensorServer, "android.gui.SensorServer"); 111 112// ---------------------------------------------------------------------- 113 114status_t BnSensorServer::onTransact( 115 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 116{ 117 switch(code) { 118 case GET_SENSOR_LIST: { 119 CHECK_INTERFACE(ISensorServer, data, reply); 120 const String16& opPackageName = data.readString16(); 121 Vector<Sensor> v(getSensorList(opPackageName)); 122 size_t n = v.size(); 123 reply->writeUint32(static_cast<uint32_t>(n)); 124 for (size_t i = 0; i < n; i++) { 125 reply->write(v[i]); 126 } 127 return NO_ERROR; 128 } 129 case CREATE_SENSOR_EVENT_CONNECTION: { 130 CHECK_INTERFACE(ISensorServer, data, reply); 131 String8 packageName = data.readString8(); 132 int32_t mode = data.readInt32(); 133 const String16& opPackageName = data.readString16(); 134 sp<ISensorEventConnection> connection(createSensorEventConnection(packageName, mode, 135 opPackageName)); 136 reply->writeStrongBinder(IInterface::asBinder(connection)); 137 return NO_ERROR; 138 } 139 case ENABLE_DATA_INJECTION: { 140 CHECK_INTERFACE(ISensorServer, data, reply); 141 int32_t ret = isDataInjectionEnabled(); 142 reply->writeInt32(static_cast<int32_t>(ret)); 143 return NO_ERROR; 144 } 145 case GET_DYNAMIC_SENSOR_LIST: { 146 CHECK_INTERFACE(ISensorServer, data, reply); 147 const String16& opPackageName = data.readString16(); 148 Vector<Sensor> v(getDynamicSensorList(opPackageName)); 149 size_t n = v.size(); 150 reply->writeUint32(static_cast<uint32_t>(n)); 151 for (size_t i = 0; i < n; i++) { 152 reply->write(v[i]); 153 } 154 return NO_ERROR; 155 } 156 } 157 return BBinder::onTransact(code, data, reply, flags); 158} 159 160// ---------------------------------------------------------------------------- 161}; // namespace android 162