JNIEXPORT jobject JNICALL Java_jmtp_PortableDevicePropertiesImplWin32_setValues
(JNIEnv* env, jobject obj, jstring jsObjectID, jobject jobjValues)
{
//variabelen
HRESULT hr;
IPortableDeviceProperties* pProperties;
IPortableDeviceValues* pValues;
IPortableDeviceValues* pResults;
LPWSTR wszObjectID;
jclass cls;
jmethodID mid;
jobject jobjReference;
//methode implementatie
if(jsObjectID != NULL && jobjValues != NULL)
{
pProperties = GetPortableDeviceProperties(env, obj);
jobjReference = RetrieveCOMReferenceFromCOMReferenceable(env, jobjValues);
pValues = (IPortableDeviceValues*)ConvertComReferenceToPointer(env, jobjReference);
wszObjectID = (WCHAR*)env->GetStringChars(jsObjectID, NULL);
hr = pProperties->SetValues(wszObjectID, pValues, &pResults);
env->ReleaseStringChars(jsObjectID, (jchar*)wszObjectID);
if(SUCCEEDED(hr))
{
//smart reference object aanmaken
cls = env->FindClass("be/derycke/pieter/com/COMReference");
mid = env->GetMethodID(cls, "<init>", "(J)V");
jobjReference = env->NewObject(cls, mid, pResults);
cls = env->FindClass("jmtp/PortableDeviceValuesImplWin32");
mid = env->GetMethodID(cls, "<init>", "(Lbe/derycke/pieter/com/COMReference;)V");
return env->NewObject(cls, mid, jobjReference);
}
else
{
ThrowCOMException(env, L"Couldn't change the properties of the element", hr);
return NULL;
}
}
else
{
env->ThrowNew(env->FindClass("java/lang/NullPointerException"), "arguments can't be null");
return NULL;
}
}
void Parse_MTP::mtp_get_metadata(PCWSTR object_id, IPortableDeviceContent *pdc, bool clear)
{
IPortableDeviceValues *pdv;
IPortableDeviceKeyCollection *pdkc;
IPortableDeviceProperties *pdp = NULL;
HRESULT hr;
scrob_entry new_entry;
LPWSTR album = NULL;
LPWSTR artist = NULL;
LPWSTR name = NULL;
ULONG usecount;
ULONG skipcount;
ULONG tracknum;
ULONGLONG duration;
PROPVARIANT date;
new_entry.length = 0;
hr = CoCreateInstance(CLSID_PortableDeviceValues, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDeviceValues, (VOID**)&pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_get_metadata: Failed to create IPortableDeviceValues: %1")
.arg(hr, 0, 16));
return;
}
hr = CoCreateInstance(CLSID_PortableDeviceKeyCollection, NULL, CLSCTX_INPROC_SERVER,
IID_IPortableDeviceKeyCollection, (VOID**)&pdkc);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_get_metadata: Failed to create IPortableDeviceKeyCollection: %1")
.arg(hr, 0, 16));
return;
}
hr = pdc->Properties(&pdp);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_get_metadata: Failed to get properties from IPortableDeviceContent: %1")
.arg(hr, 0, 16));
goto mtp_get_metadata_cleanup;
}
hr = pdkc->Add(WPD_MEDIA_USE_COUNT); //VT_UI4
hr = pdkc->Add(WPD_MEDIA_SKIP_COUNT); //VT_UI4
hr = pdkc->Add(WPD_MEDIA_LAST_ACCESSED_TIME); //VT_DATE
hr = pdkc->Add(WPD_MUSIC_ALBUM); //VT_LPWSTR
hr = pdkc->Add(WPD_MUSIC_TRACK); //VT_UI4
hr = pdkc->Add(WPD_MEDIA_DURATION); //VT_UI8, in milliseconds
hr = pdkc->Add(WPD_OBJECT_NAME); //VT_LPWSTR
hr = pdkc->Add(WPD_MEDIA_ARTIST); //VT_LPWSTR
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_get_metadata: Failed to add to IPortableDeviceKeyCollection: %1")
.arg(hr, 0, 16));
goto mtp_get_metadata_cleanup;
}
hr = pdp->GetValues(object_id, pdkc, &pdv);
if (FAILED(hr))
{
emit add_log(LOG_ERROR, QString("mtp_get_metadata: Failed to get values from IPortableDeviceProperties: %1")
.arg(hr, 0, 16));
goto mtp_get_metadata_cleanup;
}
hr = pdv->GetStringValue(WPD_MUSIC_ALBUM, &album);
if (SUCCEEDED(hr))
new_entry.album = QString::fromStdWString(album);
hr = pdv->GetStringValue(WPD_MEDIA_ARTIST, &artist);
if (SUCCEEDED(hr))
new_entry.artist = QString::fromStdWString(artist);
hr = pdv->GetStringValue(WPD_OBJECT_NAME, &name);
if (SUCCEEDED(hr))
new_entry.title = QString::fromStdWString(name);
hr = pdv->GetUnsignedIntegerValue(WPD_MEDIA_USE_COUNT, &usecount);
hr = pdv->GetUnsignedIntegerValue(WPD_MEDIA_SKIP_COUNT, &skipcount);
hr = pdv->GetUnsignedIntegerValue(WPD_MUSIC_TRACK, &tracknum);
if (SUCCEEDED(hr))
new_entry.tracknum = tracknum;
hr = pdv->GetUnsignedLargeIntegerValue(WPD_MEDIA_DURATION, &duration);
if (SUCCEEDED(hr))
new_entry.length = duration/1000;
hr = pdv->GetValue(WPD_MEDIA_LAST_ACCESSED_TIME, &date);
if (SUCCEEDED(hr))
{
SYSTEMTIME st;
VariantTimeToSystemTime(date.date, &st);
PropVariantClear(&date);
QDate d = QDate(st.wYear, st.wMonth, st.wDay);
QTime t = QTime(st.wHour, st.wMinute, st.wSecond);
new_entry.when = QDateTime(d, t).toTime_t() - tz_offset;
// Not all MTP devices provide a valid result for
// WPD_MEDIA_LAST_ACCESSED_TIME, so sanity check it
// are we within (+/-) 30 days?
long offset = new_entry.when - QDateTime::currentDateTime().toTime_t();
if (abs(offset) > 2592000)
new_entry.when = 0;
}
emit add_log(LOG_TRACE,
QString("%1 : %2 : %3 : %4 : %5 : %6 : %7")
.arg(new_entry.artist)
.arg(new_entry.title)
.arg(new_entry.album)
.arg(new_entry.tracknum)
.arg(new_entry.length)
.arg(usecount)
.arg(skipcount)
);
tracks++;
if (usecount > 0
&& new_entry.artist.length()
&& new_entry.title.length())
{
if (clear)
{
IPortableDeviceValues *pdv_clear = NULL;
hr = pdv->Clear();
hr = pdv->SetUnsignedIntegerValue(WPD_MEDIA_USE_COUNT, 0);
hr = pdp->SetValues(object_id, pdv, &pdv_clear);
if (SUCCEEDED(hr))
{
if (pdv_clear != NULL)
pdv_clear->Clear();
pdv_clear = NULL;
}
}
else
{
playcounts++;
new_entry.played = 'L';
for (ULONG i = 0; i < usecount; i++)
{
entries++;
// Only use the last playcount for one instance
// we'll recalc the rest afterwards
// via Scrobble::check_timestamps()
if (i > 1)
new_entry.when = 0;
emit entry(new_entry);
}
}
}
mtp_get_metadata_cleanup:
if (album)
CoTaskMemFree(album);
if (artist)
CoTaskMemFree(artist);
if (name)
CoTaskMemFree(name);
if (pdp)
{
pdp->Release();
pdp = NULL;
}
if (pdv)
{
pdv->Release();
pdv = NULL;
}
}
