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 package android.mtp; 18 19 /** 20 * This class encapsulates information about an MTP device. 21 * This corresponds to the DeviceInfo Dataset described in 22 * section 5.1.1 of the MTP specification. 23 */ 24 public class MtpDeviceInfo { 25 26 private String mManufacturer; 27 private String mModel; 28 private String mVersion; 29 private String mSerialNumber; 30 private int[] mOperationsSupported; 31 private int[] mEventsSupported; 32 33 // only instantiated via JNI 34 private MtpDeviceInfo() { 35 } 36 37 /** 38 * Returns the manufacturer's name for the MTP device 39 * 40 * @return the manufacturer name 41 */ 42 public final String getManufacturer() { 43 return mManufacturer; 44 } 45 46 /** 47 * Returns the model name for the MTP device 48 * 49 * @return the model name 50 */ 51 public final String getModel() { 52 return mModel; 53 } 54 55 /** 56 * Returns the version string the MTP device 57 * 58 * @return the device version 59 */ 60 public final String getVersion() { 61 return mVersion; 62 } 63 64 /** 65 * Returns the unique serial number for the MTP device 66 * 67 * @return the serial number 68 */ 69 public final String getSerialNumber() { 70 return mSerialNumber; 71 } 72 73 /** 74 * Returns operation code supported by the device. 75 * 76 * @return supported operation code. Can be null if device does not provide the property. 77 * @see MtpConstants#OPERATION_GET_DEVICE_INFO 78 * @see MtpConstants#OPERATION_OPEN_SESSION 79 * @see MtpConstants#OPERATION_CLOSE_SESSION 80 * @see MtpConstants#OPERATION_GET_STORAGE_I_DS 81 * @see MtpConstants#OPERATION_GET_STORAGE_INFO 82 * @see MtpConstants#OPERATION_GET_NUM_OBJECTS 83 * @see MtpConstants#OPERATION_GET_OBJECT_HANDLES 84 * @see MtpConstants#OPERATION_GET_OBJECT_INFO 85 * @see MtpConstants#OPERATION_GET_OBJECT 86 * @see MtpConstants#OPERATION_GET_THUMB 87 * @see MtpConstants#OPERATION_DELETE_OBJECT 88 * @see MtpConstants#OPERATION_SEND_OBJECT_INFO 89 * @see MtpConstants#OPERATION_SEND_OBJECT 90 * @see MtpConstants#OPERATION_INITIATE_CAPTURE 91 * @see MtpConstants#OPERATION_FORMAT_STORE 92 * @see MtpConstants#OPERATION_RESET_DEVICE 93 * @see MtpConstants#OPERATION_SELF_TEST 94 * @see MtpConstants#OPERATION_SET_OBJECT_PROTECTION 95 * @see MtpConstants#OPERATION_POWER_DOWN 96 * @see MtpConstants#OPERATION_GET_DEVICE_PROP_DESC 97 * @see MtpConstants#OPERATION_GET_DEVICE_PROP_VALUE 98 * @see MtpConstants#OPERATION_SET_DEVICE_PROP_VALUE 99 * @see MtpConstants#OPERATION_RESET_DEVICE_PROP_VALUE 100 * @see MtpConstants#OPERATION_TERMINATE_OPEN_CAPTURE 101 * @see MtpConstants#OPERATION_MOVE_OBJECT 102 * @see MtpConstants#OPERATION_COPY_OBJECT 103 * @see MtpConstants#OPERATION_GET_PARTIAL_OBJECT 104 * @see MtpConstants#OPERATION_INITIATE_OPEN_CAPTURE 105 * @see MtpConstants#OPERATION_GET_OBJECT_PROPS_SUPPORTED 106 * @see MtpConstants#OPERATION_GET_OBJECT_PROP_DESC 107 * @see MtpConstants#OPERATION_GET_OBJECT_PROP_VALUE 108 * @see MtpConstants#OPERATION_SET_OBJECT_PROP_VALUE 109 * @see MtpConstants#OPERATION_GET_OBJECT_REFERENCES 110 * @see MtpConstants#OPERATION_SET_OBJECT_REFERENCES 111 * @see MtpConstants#OPERATION_SKIP 112 */ 113 public final int[] getOperationsSupported() { 114 return mOperationsSupported; 115 } 116 117 /** 118 * Returns event code supported by the device. 119 * 120 * @return supported event code. Can be null if device does not provide the property. 121 * @see MtpEvent#EVENT_UNDEFINED 122 * @see MtpEvent#EVENT_CANCEL_TRANSACTION 123 * @see MtpEvent#EVENT_OBJECT_ADDED 124 * @see MtpEvent#EVENT_OBJECT_REMOVED 125 * @see MtpEvent#EVENT_STORE_ADDED 126 * @see MtpEvent#EVENT_STORE_REMOVED 127 * @see MtpEvent#EVENT_DEVICE_PROP_CHANGED 128 * @see MtpEvent#EVENT_OBJECT_INFO_CHANGED 129 * @see MtpEvent#EVENT_DEVICE_INFO_CHANGED 130 * @see MtpEvent#EVENT_REQUEST_OBJECT_TRANSFER 131 * @see MtpEvent#EVENT_STORE_FULL 132 * @see MtpEvent#EVENT_DEVICE_RESET 133 * @see MtpEvent#EVENT_STORAGE_INFO_CHANGED 134 * @see MtpEvent#EVENT_CAPTURE_COMPLETE 135 * @see MtpEvent#EVENT_UNREPORTED_STATUS 136 * @see MtpEvent#EVENT_OBJECT_PROP_CHANGED 137 * @see MtpEvent#EVENT_OBJECT_PROP_DESC_CHANGED 138 * @see MtpEvent#EVENT_OBJECT_REFERENCES_CHANGED 139 */ 140 public final int[] getEventsSupported() { 141 return mEventsSupported; 142 } 143 144 /** 145 * Returns if the given operation is supported by the device or not. 146 * @param code Operation code. 147 * @return If the given operation is supported by the device or not. 148 */ 149 public boolean isOperationSupported(int code) { 150 return isSupported(mOperationsSupported, code); 151 } 152 153 /** 154 * Returns if the given event is supported by the device or not. 155 * @param code Event code. 156 * @return If the given event is supported by the device or not. 157 */ 158 public boolean isEventSupported(int code) { 159 return isSupported(mEventsSupported, code); 160 } 161 162 /** 163 * Returns if the code set contains code. 164 * @hide 165 */ 166 private static boolean isSupported(int[] set, int code) { 167 for (final int element : set) { 168 if (element == code) { 169 return true; 170 } 171 } 172 return false; 173 } 174 } 175
