protected override bool Claim()
{
IDevice device = Device;
IVolume volume = device as IVolume;
if (volume != null && volume.IsMounted)
{
Log.DebugFormat("MtpSource: attempting to unmount {0}", volume.Name);
volume.Unmount();
}
if (volume != null && volume.IsMounted)
{
throw new InvalidDeviceStateException();
}
mtp_device = MtpDevice.Connect(raw_device);
if (mtp_device == null)
{
Log.DebugFormat("Failed to connect to mtp device {0}", device.Name);
throw new InvalidDeviceStateException();
}
// libmtp sometimes returns '?????'. I assume this is if the device does
// not supply a friendly name. In this case show the model name.
if (string.IsNullOrEmpty(mtp_device.Name) || mtp_device.Name == "?????")
{
Name = mtp_device.ModelName;
}
else
{
Name = mtp_device.Name;
}
Initialize(true);
List <string> mimetypes = new List <string> ();
foreach (FileType format in mtp_device.GetFileTypes())
{
if (format == FileType.JPEG)
{
supports_jpegs = true;
}
else
{
string mimetype = MtpDevice.GetMimeTypeFor(format);
if (mimetype != null)
{
mimetypes.Add(mimetype);
}
}
}
AcceptableMimeTypes = mimetypes.ToArray();
AddDapProperty(Catalog.GetString("Required Folder Depth"), 2.ToString());
AddDapProperty(Catalog.GetString("Serial number"), mtp_device.SerialNumber);
AddDapProperty(Catalog.GetString("Version"), mtp_device.Version);
try {
AddDapProperty(Catalog.GetString("Battery level"), String.Format("{0:0%}", mtp_device.BatteryLevel / 100.0));
} catch (LibMtpException e) {
Log.Warning("Unable to get battery level from MTP device", e);
}
return(true);
}
public override void DeviceInitialize(IDevice device)
{
base.DeviceInitialize(device);
var portInfo = device.ResolveUsbPortInfo();
if (portInfo == null || portInfo.DeviceNumber == 0)
{
throw new InvalidDeviceException();
}
//int busnum = portInfo.BusNumber;
int devnum = portInfo.DeviceNumber;
List <RawMtpDevice> devices = null;
try {
devices = MtpDevice.Detect();
} catch (TypeInitializationException e) {
Log.Exception(e);
Log.Error(
Catalog.GetString("Error Initializing MTP Device Support"),
Catalog.GetString("There was an error initializing MTP device support."), true
);
throw new InvalidDeviceException();
} catch (Exception e) {
Log.Exception(e);
//ShowGeneralExceptionDialog (e);
throw new InvalidDeviceException();
}
IVolume volume = device as IVolume;
foreach (var v in devices)
{
// Using the HAL hardware backend, HAL says the busnum is 2, but libmtp says it's 0, so disabling that check
//if (v.BusNumber == busnum && v.DeviceNumber == devnum) {
if (v.DeviceNumber == devnum)
{
// If gvfs-gphoto has it mounted, unmount it
if (volume != null && volume.IsMounted)
{
volume.Unmount();
}
for (int i = 5; i > 0 && mtp_device == null; i--)
{
try {
mtp_device = MtpDevice.Connect(v);
} catch (Exception) {}
if (mtp_device == null)
{
Log.DebugFormat("Failed to connect to mtp device. Trying {0} more times...", i - 1);
Thread.Sleep(2000);
}
}
}
}
if (mtp_device == null)
{
throw new InvalidDeviceException();
}
// libmtp sometimes returns '?????'. I assume this is if the device does
// not supply a friendly name. In this case show the model name.
if (string.IsNullOrEmpty(mtp_device.Name) || mtp_device.Name == "?????")
{
Name = mtp_device.ModelName;
}
else
{
Name = mtp_device.Name;
}
Initialize();
List <string> mimetypes = new List <string> ();
foreach (FileType format in mtp_device.GetFileTypes())
{
if (format == FileType.JPEG)
{
supports_jpegs = true;
}
else
{
string mimetype = MtpDevice.GetMimeTypeFor(format);
if (mimetype != null)
{
mimetypes.Add(mimetype);
}
}
}
AcceptableMimeTypes = mimetypes.ToArray();
AddDapProperty(Catalog.GetString("Serial number"), mtp_device.SerialNumber);
AddDapProperty(Catalog.GetString("Version"), mtp_device.Version);
try {
AddDapProperty(Catalog.GetString("Battery level"), String.Format("{0:0%}", mtp_device.BatteryLevel / 100.0));
} catch (Exception e) {
Log.Exception("Unable to get battery level from MTP device", e);
}
}
