HRESULT GuestDnDSource::dragIsPending(ULONG uScreenId,
std::vector<com::Utf8Str> &aFormats,
std::vector<DnDAction_T> &aAllowedActions,
DnDAction_T *aDefaultAction)
{
#if !defined(VBOX_WITH_DRAG_AND_DROP) || !defined(VBOX_WITH_DRAG_AND_DROP_GH)
ReturnComNotImplemented();
#else /* VBOX_WITH_DRAG_AND_DROP */
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
/* Default is ignoring the action. */
DnDAction_T defaultAction = DnDAction_Ignore;
HRESULT hr = S_OK;
VBOXHGCMSVCPARM paParms[1];
int i = 0;
paParms[i++].setUInt32(uScreenId);
int rc = GuestDnDInst()->hostCall(DragAndDropSvc::HOST_DND_GH_REQ_PENDING,
i, paParms);
if (RT_SUCCESS(rc))
{
bool fFetchResult = true;
GuestDnDResponse *pResp = GuestDnDInst()->response();
if (pResp)
{
if (pResp->waitForGuestResponse() == VERR_TIMEOUT)
fFetchResult = false;
if (isDnDIgnoreAction(pResp->defAction()))
fFetchResult = false;
/* Fetch the default action to use. */
if (fFetchResult)
{
defaultAction = GuestDnD::toMainAction(pResp->defAction());
GuestDnD::toFormatVector(m_strFormats, pResp->format(), aFormats);
GuestDnD::toMainActions(pResp->allActions(), aAllowedActions);
}
}
if (aDefaultAction)
*aDefaultAction = defaultAction;
}
if (RT_FAILURE(rc))
hr = setError(VBOX_E_IPRT_ERROR,
tr("Unable to retrieve pending status (%Rrc)\n"), rc);
LogFlowFunc(("hr=%Rhrc, defaultAction=0x%x\n", hr, defaultAction));
return hr;
#endif /* VBOX_WITH_DRAG_AND_DROP */
}
int GuestDnDBase::sendCancel(void)
{
int rc = GuestDnDInst()->hostCall(HOST_DND_HG_EVT_CANCEL,
0 /* cParms */, NULL /* paParms */);
LogFlowFunc(("Generated cancelling request, rc=%Rrc\n", rc));
return rc;
}
GuestDnDBase::GuestDnDBase(void)
{
mDataBase.mfTransferIsPending = false;
/*
* Initialize public attributes.
*/
m_lstFmtSupported = GuestDnDInst()->defaultFormats();
}
GuestDnDBase::GuestDnDBase(void)
{
/* Initialize public attributes. */
m_lstFmtSupported = GuestDnDInst()->defaultFormats();
/* Initialzie private stuff. */
mDataBase.m_cTransfersPending = 0;
mDataBase.m_uProtocolVersion = 0;
}
HRESULT GuestDnDSource::receiveData(std::vector<BYTE> &aData)
{
#if !defined(VBOX_WITH_DRAG_AND_DROP) || !defined(VBOX_WITH_DRAG_AND_DROP_GH)
ReturnComNotImplemented();
#else /* VBOX_WITH_DRAG_AND_DROP */
/* Input validation. */
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
HRESULT hr = S_OK;
GuestDnDResponse *pResp = GuestDnDInst()->response();
if (pResp)
{
size_t cbData = pResp->size();
if (cbData)
{
const void *pvData = pResp->data();
AssertPtr(pvData);
Utf8Str strFormat = pResp->format();
LogFlowFunc(("strFormat=%s, cbData=%zu, pvData=0x%p\n",
strFormat.c_str(), cbData, pvData));
try
{
if (DnDMIMEHasFileURLs(strFormat.c_str(), strFormat.length()))
{
LogFlowFunc(("strDropDir=%s\n", pResp->dropDir().c_str()));
DnDURIList lstURI;
int rc2 = lstURI.RootFromURIData(pvData, cbData, 0 /* fFlags */);
if (RT_SUCCESS(rc2))
{
Utf8Str strURIs = lstURI.RootToString(pResp->dropDir());
size_t cbURIs = strURIs.length();
LogFlowFunc(("Found %zu root URIs (%zu bytes)\n",
lstURI.RootCount(), cbURIs));
aData.resize(cbURIs + 1 /* Include termination */);
memcpy(&aData.front(), strURIs.c_str(), cbURIs);
}
else
hr = VBOX_E_IPRT_ERROR;
}
else
{
/* Copy the data into a safe array of bytes. */
aData.resize(cbData);
memcpy(&aData.front(), pvData, cbData);
}
}
catch (std::bad_alloc &)
{
hr = E_OUTOFMEMORY;
}
}
/* Delete the data. */
pResp->reset();
}
else
hr = VBOX_E_INVALID_OBJECT_STATE;
LogFlowFunc(("Returning hr=%Rhrc\n", hr));
return hr;
#endif /* VBOX_WITH_DRAG_AND_DROP */
}
HRESULT GuestDnDSource::drop(const com::Utf8Str &aFormat,
DnDAction_T aAction, ComPtr<IProgress> &aProgress)
{
#if !defined(VBOX_WITH_DRAG_AND_DROP) || !defined(VBOX_WITH_DRAG_AND_DROP_GH)
ReturnComNotImplemented();
#else /* VBOX_WITH_DRAG_AND_DROP */
/* Input validation. */
if (RT_UNLIKELY((aFormat.c_str()) == NULL || *(aFormat.c_str()) == '\0'))
return setError(E_INVALIDARG, tr("No drop format specified"));
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
uint32_t uAction = GuestDnD::toHGCMAction(aAction);
/* If there is no usable action, ignore this request. */
if (isDnDIgnoreAction(uAction))
return S_OK;
HRESULT hr = S_OK;
const char *pcszFormat = aFormat.c_str();
bool fNeedsDropDir = DnDMIMENeedsDropDir(pcszFormat, strlen(pcszFormat));
LogFlowFunc(("strFormat=%s, uAction=0x%x, fNeedsDropDir=%RTbool\n",
pcszFormat, uAction, fNeedsDropDir));
GuestDnDResponse *pResp = GuestDnDInst()->response();
if (pResp)
{
/* Reset any old data. */
pResp->reset();
pResp->resetProgress(m_pGuest);
/* Set the format we are going to retrieve to have it around
* when retrieving the data later. */
pResp->setFormat(aFormat);
if (fNeedsDropDir)
{
char szDropDir[RTPATH_MAX];
int rc = DnDDirCreateDroppedFiles(szDropDir, sizeof(szDropDir));
LogFlowFunc(("rc=%Rrc, szDropDir=%s\n", rc, szDropDir));
if (RT_FAILURE(rc))
return setError(VBOX_E_IPRT_ERROR,
tr("Unable to create the temporary drag and drop directory \"%s\" (%Rrc)\n"),
szDropDir, rc);
pResp->setDropDir(szDropDir);
}
VBOXHGCMSVCPARM paParms[4];
int i = 0;
paParms[i++].setPointer((void*)aFormat.c_str(), (uint32_t)aFormat.length() + 1);
paParms[i++].setUInt32((uint32_t)aFormat.length() + 1);
paParms[i++].setUInt32(uAction);
int rc = GuestDnDInst()->hostCall(DragAndDropSvc::HOST_DND_GH_EVT_DROPPED,
i, paParms);
if (RT_SUCCESS(rc))
{
/* Query the progress object to the caller. */
pResp->queryProgressTo(aProgress.asOutParam());
}
else
hr = setError(VBOX_E_IPRT_ERROR,
tr("Error signalling to drop data (%Rrc)\n"), rc);
}
LogFlowFunc(("Returning hr=%Rhrc\n", hr));
return hr;
#endif /* VBOX_WITH_DRAG_AND_DROP */
}
