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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
namespace Tizen.Network.Mtp
{
/// <summary>
/// A class for Mtp Device information. It allows applications to handle device information.
/// </summary>
public class MtpDevice : IDisposable
{
private int _deviceHandle = -1;
private bool disposed = false;
private List<MtpStorage> _storageList = new List<MtpStorage>();
/// <summary>
/// Gets the manufacturer name of the device information.
/// </summary>
/// <value>Manufacture name of device.</value>
public string ManufacturerName
{
get
{
IntPtr strPtr;
int ret = Interop.Mtp.DeviceInfomation.GetManufacturerName(_deviceHandle, out strPtr);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get manufacturer name, Error - " + (MtpError)ret);
return "";
}
return Marshal.PtrToStringAnsi(strPtr);
}
}
/// <summary>
/// Gets the model name of the device information.
/// </summary>
/// <value>Model name of device.</value>
public string ModelName
{
get
{
IntPtr strPtr;
int ret = Interop.Mtp.DeviceInfomation.GetModelName(_deviceHandle, out strPtr);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get model name, Error - " + (MtpError)ret);
return "";
}
return Marshal.PtrToStringAnsi(strPtr);
}
}
/// <summary>
/// Gets the serial number of the device information.
/// </summary>
/// <value>Serial number of device.</value>
public string SerialNumber
{
get
{
IntPtr strPtr;
int ret = Interop.Mtp.DeviceInfomation.GetSerialNumber(_deviceHandle, out strPtr);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get serial number, Error - " + (MtpError)ret);
return "";
}
return Marshal.PtrToStringAnsi(strPtr);
}
}
/// <summary>
/// Gets the device version of the device information.
/// </summary>
/// <value>Version number of device.</value>
public string DeviceVersion
{
get
{
IntPtr strPtr;
int ret = Interop.Mtp.DeviceInfomation.GetDeviceVersion(_deviceHandle, out strPtr);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get device version, Error - " + (MtpError)ret);
return "";
}
return Marshal.PtrToStringAnsi(strPtr);
}
}
internal MtpDevice(int handle)
{
_deviceHandle = handle;
}
~MtpDevice()
{
Dispose(false);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
private void Dispose(bool disposing)
{
if (disposed)
return;
if (disposing)
{
// Free managed objects.
foreach (MtpStorage storage in _storageList)
{
storage.Dispose();
_storageList.Remove(storage);
}
}
//Free unmanaged objects
disposed = true;
}
internal int GetHandle()
{
return _deviceHandle;
}
/// <summary>
/// Gets the list of storages.
/// </summary>
/// <returns>List of storage objects.</returns>
/// <feature>http://tizen.org/feature/network.mtp</feature>
/// <exception cref="NotSupportedException">Thrown when Mtp is not supported.</exception>
/// <exception cref="InvalidOperationException">Thrown when the method failed due to invalid operation.</exception>
public IEnumerable<MtpStorage> GetStorages()
{
IntPtr storagePtr;
int count = 0;
int ret = Interop.Mtp.GetStorages(_deviceHandle, out storagePtr, out count);
if (ret != (int)MtpError.None)
{
Log.Error(Globals.LogTag, "Failed to get storage list, Error - " + (MtpError)ret);
MtpErrorFactory.ThrowMtpException(ret);
}
for (int i = 0; i < count; i++)
{
int storageID = Marshal.ReadInt32(storagePtr);
MtpStorage storageItem = new MtpStorage(_deviceHandle, storageID);
_storageList.Add(storageItem);
storagePtr += sizeof(int);
}
return _storageList;
}
}
}
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