JNIEXPORT jobject JNICALL Java_jmtp_PortableDeviceImplWin32_getDeviceContent
(JNIEnv* env, jobject obj)
{
HRESULT hr;
IPortableDevice* pDevice;
IPortableDeviceContent* pContent;
jclass cls;
jmethodID mid;
jobject reference;
pDevice = GetPortableDevice(env, obj);
hr = pDevice->Content(&pContent);
if(FAILED(hr))
{
ThrowCOMException(env, L"Couldn't retrieve the device content", hr);
return NULL;
}
//smart reference object aanmaken
cls = env->FindClass("be/derycke/pieter/com/COMReference");
mid = env->GetMethodID(cls, "<init>", "(J)V");
reference = env->NewObject(cls, mid, pContent);
cls = env->FindClass("jmtp/PortableDeviceContentImplWin32");
mid = env->GetMethodID(cls, "<init>", "(Lbe/derycke/pieter/com/COMReference;)V");
return env->NewObject(cls, mid, reference);
}
void Parse_MTP::mtp_do_storage(bool clear)
{
IPortableDevice *pd;
IPortableDeviceValues *pdv;
IPortableDeviceContent *pdc = NULL;
HRESULT hr;
hr = CoCreateInstance(CLSID_PortableDevice, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDevice, (VOID**)&pd);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_do_storage: Failed to create IPortableDevice: %1")
.arg(hr, 0, 16));
return;
}
hr = CoCreateInstance(CLSID_PortableDeviceValues, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDeviceValues, (VOID**)&pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_do_storage: Failed to create IPortableDeviceValues: %1")
.arg(hr, 0, 16));
return;
}
for (int i = 0; i < mtp_devices.size(); i++)
{
// after this we're creating objects which need to be cleaned up.
hr = pd->Open(mtp_devices[i], pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_do_storage: Failed to open IPortableDevice: %1")
.arg(hr, 0, 16));
goto mtp_do_storage_cleanup;
}
hr = pd->Content(&pdc);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_do_storage: Failed to retrieve content from IPortableDevice: %1")
.arg(hr, 0, 16));
goto mtp_do_storage_cleanup;
}
mtp_recurse_storage(WPD_DEVICE_OBJECT_ID, pdc, clear);
mtp_do_storage_cleanup:
if (pdc)
{
pdc->Release();
pdc = NULL;
}
if (pdv)
{
pdv->Release();
pdv = NULL;
}
pd->Close();
}
}
bool Parse_MTP::is_device_mtp(DWORD index, LPCWSTR device_id)
{
bool is_mtp = false;
IPortableDevice *pd;
IPortableDeviceValues *pdv;
IPortableDeviceKeyCollection *pdkc;
IPortableDeviceProperties *pdp = NULL;
IPortableDeviceContent *pdc = NULL;
HRESULT hr;
LPWSTR dev_protocol = NULL;
QString mtp;
hr = CoCreateInstance(CLSID_PortableDevice, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDevice, (VOID**)&pd);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to create IPortableDevice: %1")
.arg(hr, 0, 16));
return false;
}
hr = CoCreateInstance(CLSID_PortableDeviceValues, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDeviceValues, (VOID**)&pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to create IPortableDeviceValues: %1")
.arg(hr, 0, 16));
return false;
}
hr = CoCreateInstance(CLSID_PortableDeviceKeyCollection, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDeviceKeyCollection, (VOID**)&pdkc);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to create IPortableDeviceKeyCollection: %1")
.arg(hr, 0, 16));
return false;
}
// after this we're creating objects which need to be cleaned up.
hr = pd->Open(device_id, pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to open IPortableDevice: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
hr = pd->Content(&pdc);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to retrieve content from IPortableDevice: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
hr = pdc->Properties(&pdp);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to get properties from IPortableDeviceContent: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
hr = pdkc->Add(WPD_DEVICE_PROTOCOL);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to add to IPortableDeviceKeyCollection: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
// WPD_DEVICE_OBJECT_ID is the top level object
hr = pdp->GetValues(WPD_DEVICE_OBJECT_ID, pdkc, &pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to get values from IPortableDeviceProperties: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
hr = pdv->GetStringValue(WPD_DEVICE_PROTOCOL, &dev_protocol);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("is_device_mtp: Failed to GetStringValue: %1")
.arg(hr, 0, 16));
goto is_mtp_cleanup;
}
mtp = QString::fromStdWString(dev_protocol);
emit add_log(LOG_INFO, QString("Device %1: %2").arg(index).arg(mtp));
if (mtp.startsWith("MTP"))
{
is_mtp = true;
emit add_log(LOG_INFO, QString("Device %1: Is a MTP device").arg(index));
}
is_mtp_cleanup:
if (dev_protocol)
CoTaskMemFree(dev_protocol);
if (pdc)
{
pdc->Release();
pdc = NULL;
}
if (pdp)
{
pdp->Release();
pdp = NULL;
}
if (pdv)
{
pdv->Release();
pdv = NULL;
}
return is_mtp;
}