/* static */ void GuestDnD::toHGCMActions(DnDAction_T enmDefAction, uint32_t *puDefAction, const std::vector<DnDAction_T> vecAllowedActions, uint32_t *puAllowedActions) { uint32_t uAllowedActions = DND_IGNORE_ACTION; uint32_t uDefAction = toHGCMAction(enmDefAction); if (!vecAllowedActions.empty()) { /* First convert the allowed actions to a bit array. */ for (size_t i = 0; i < vecAllowedActions.size(); i++) uAllowedActions |= toHGCMAction(vecAllowedActions[i]); /* * If no default action is set (ignoring), try one of the * set allowed actions, preferring copy, move (in that order). */ if (isDnDIgnoreAction(uDefAction)) { if (hasDnDCopyAction(uAllowedActions)) uDefAction = DND_COPY_ACTION; else if (hasDnDMoveAction(uAllowedActions)) uDefAction = DND_MOVE_ACTION; } } if (puDefAction) *puDefAction = uDefAction; if (puAllowedActions) *puAllowedActions = uAllowedActions; }
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 */ }
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 */ }