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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.mtp;
import android.annotation.NonNull;
/**
* This class encapsulates information about an MTP device.
* This corresponds to the DeviceInfo Dataset described in
* section 5.1.1 of the MTP specification.
*/
public class MtpDeviceInfo {
private String mManufacturer;
private String mModel;
private String mVersion;
private String mSerialNumber;
private int[] mOperationsSupported;
private int[] mEventsSupported;
// only instantiated via JNI
private MtpDeviceInfo() {
}
/**
* Returns the manufacturer's name for the MTP device
*
* @return the manufacturer name
*/
public final @NonNull String getManufacturer() {
return mManufacturer;
}
/**
* Returns the model name for the MTP device
*
* @return the model name
*/
public final @NonNull String getModel() {
return mModel;
}
/**
* Returns the version string the MTP device
*
* @return the device version
*/
public final @NonNull String getVersion() {
return mVersion;
}
/**
* Returns the unique serial number for the MTP device
*
* @return the serial number
*/
public final @NonNull String getSerialNumber() {
return mSerialNumber;
}
/**
* Returns operation code supported by the device.
*
* @return supported operation code. Can be null if device does not provide the property.
* @see MtpConstants#OPERATION_GET_DEVICE_INFO
* @see MtpConstants#OPERATION_OPEN_SESSION
* @see MtpConstants#OPERATION_CLOSE_SESSION
* @see MtpConstants#OPERATION_GET_STORAGE_I_DS
* @see MtpConstants#OPERATION_GET_STORAGE_INFO
* @see MtpConstants#OPERATION_GET_NUM_OBJECTS
* @see MtpConstants#OPERATION_GET_OBJECT_HANDLES
* @see MtpConstants#OPERATION_GET_OBJECT_INFO
* @see MtpConstants#OPERATION_GET_OBJECT
* @see MtpConstants#OPERATION_GET_THUMB
* @see MtpConstants#OPERATION_DELETE_OBJECT
* @see MtpConstants#OPERATION_SEND_OBJECT_INFO
* @see MtpConstants#OPERATION_SEND_OBJECT
* @see MtpConstants#OPERATION_INITIATE_CAPTURE
* @see MtpConstants#OPERATION_FORMAT_STORE
* @see MtpConstants#OPERATION_RESET_DEVICE
* @see MtpConstants#OPERATION_SELF_TEST
* @see MtpConstants#OPERATION_SET_OBJECT_PROTECTION
* @see MtpConstants#OPERATION_POWER_DOWN
* @see MtpConstants#OPERATION_GET_DEVICE_PROP_DESC
* @see MtpConstants#OPERATION_GET_DEVICE_PROP_VALUE
* @see MtpConstants#OPERATION_SET_DEVICE_PROP_VALUE
* @see MtpConstants#OPERATION_RESET_DEVICE_PROP_VALUE
* @see MtpConstants#OPERATION_TERMINATE_OPEN_CAPTURE
* @see MtpConstants#OPERATION_MOVE_OBJECT
* @see MtpConstants#OPERATION_COPY_OBJECT
* @see MtpConstants#OPERATION_GET_PARTIAL_OBJECT
* @see MtpConstants#OPERATION_INITIATE_OPEN_CAPTURE
* @see MtpConstants#OPERATION_GET_OBJECT_PROPS_SUPPORTED
* @see MtpConstants#OPERATION_GET_OBJECT_PROP_DESC
* @see MtpConstants#OPERATION_GET_OBJECT_PROP_VALUE
* @see MtpConstants#OPERATION_SET_OBJECT_PROP_VALUE
* @see MtpConstants#OPERATION_GET_OBJECT_REFERENCES
* @see MtpConstants#OPERATION_SET_OBJECT_REFERENCES
* @see MtpConstants#OPERATION_SKIP
*/
public final @NonNull int[] getOperationsSupported() {
return mOperationsSupported;
}
/**
* Returns event code supported by the device.
*
* @return supported event code. Can be null if device does not provide the property.
* @see MtpEvent#EVENT_UNDEFINED
* @see MtpEvent#EVENT_CANCEL_TRANSACTION
* @see MtpEvent#EVENT_OBJECT_ADDED
* @see MtpEvent#EVENT_OBJECT_REMOVED
* @see MtpEvent#EVENT_STORE_ADDED
* @see MtpEvent#EVENT_STORE_REMOVED
* @see MtpEvent#EVENT_DEVICE_PROP_CHANGED
* @see MtpEvent#EVENT_OBJECT_INFO_CHANGED
* @see MtpEvent#EVENT_DEVICE_INFO_CHANGED
* @see MtpEvent#EVENT_REQUEST_OBJECT_TRANSFER
* @see MtpEvent#EVENT_STORE_FULL
* @see MtpEvent#EVENT_DEVICE_RESET
* @see MtpEvent#EVENT_STORAGE_INFO_CHANGED
* @see MtpEvent#EVENT_CAPTURE_COMPLETE
* @see MtpEvent#EVENT_UNREPORTED_STATUS
* @see MtpEvent#EVENT_OBJECT_PROP_CHANGED
* @see MtpEvent#EVENT_OBJECT_PROP_DESC_CHANGED
* @see MtpEvent#EVENT_OBJECT_REFERENCES_CHANGED
*/
public final @NonNull int[] getEventsSupported() {
return mEventsSupported;
}
/**
* Returns if the given operation is supported by the device or not.
* @param code Operation code.
* @return If the given operation is supported by the device or not.
*/
public boolean isOperationSupported(int code) {
return isSupported(mOperationsSupported, code);
}
/**
* Returns if the given event is supported by the device or not.
* @param code Event code.
* @return If the given event is supported by the device or not.
*/
public boolean isEventSupported(int code) {
return isSupported(mEventsSupported, code);
}
/**
* Returns if the code set contains code.
* @hide
*/
private static boolean isSupported(@NonNull int[] set, int code) {
for (final int element : set) {
if (element == code) {
return true;
}
}
return false;
}
}
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