void DragData::asFilenames(Vector<String>& result) const
{
#if USE(CF)
if (m_platformDragData) {
WCHAR filename[MAX_PATH];
STGMEDIUM medium;
if (FAILED(m_platformDragData->GetData(cfHDropFormat(), &medium)))
return;
HDROP hdrop = reinterpret_cast<HDROP>(GlobalLock(medium.hGlobal));
if (!hdrop)
return;
const unsigned numFiles = DragQueryFileW(hdrop, 0xFFFFFFFF, 0, 0);
for (unsigned i = 0; i < numFiles; i++) {
if (!DragQueryFileW(hdrop, i, filename, WTF_ARRAY_LENGTH(filename)))
continue;
result.append(static_cast<UChar*>(filename));
}
// Free up memory from drag
DragFinish(hdrop);
GlobalUnlock(medium.hGlobal);
return;
}
result = m_dragDataMap.get(cfHDropFormat()->cfFormat);
#endif
}
unsigned DragData::numberOfFiles() const
{
#if USE(CF)
if (!m_platformDragData)
return 0;
STGMEDIUM medium;
if (FAILED(m_platformDragData->GetData(cfHDropFormat(), &medium)))
return 0;
HDROP hdrop = static_cast<HDROP>(GlobalLock(medium.hGlobal));
if (!hdrop)
return 0;
unsigned numFiles = DragQueryFileW(hdrop, 0xFFFFFFFF, 0, 0);
DragFinish(hdrop);
GlobalUnlock(medium.hGlobal);
return numFiles;
#else
return 0;
#endif
}
void DragData::asFilenames(Vector<String>& result) const
{
WCHAR filename[MAX_PATH];
STGMEDIUM medium;
if (FAILED(m_platformDragData->GetData(cfHDropFormat(), &medium)))
return;
HDROP hdrop = (HDROP)GlobalLock(medium.hGlobal);
if (!hdrop)
return;
const unsigned numFiles = DragQueryFileW(hdrop, 0xFFFFFFFF, 0, 0);
for (unsigned i = 0; i < numFiles; i++) {
if (!DragQueryFileW(hdrop, 0, filename, ARRAYSIZE(filename)))
continue;
result.append((UChar*)filename);
}
// Free up memory from drag
DragFinish(hdrop);
GlobalUnlock(medium.hGlobal);
}
bool DragData::containsFiles() const
{
#if USE(CF)
return (m_platformDragData) ? SUCCEEDED(m_platformDragData->QueryGetData(cfHDropFormat())) : m_dragDataMap.contains(cfHDropFormat()->cfFormat);
#else
return false;
#endif
}
static bool getWebLocData(IDataObject* dataObject, String& url, String* title)
{
bool succeeded = false;
#if PLATFORM(CF)
WCHAR filename[MAX_PATH];
WCHAR urlBuffer[INTERNET_MAX_URL_LENGTH];
STGMEDIUM medium;
if (FAILED(dataObject->GetData(cfHDropFormat(), &medium)))
return false;
HDROP hdrop = static_cast<HDROP>(GlobalLock(medium.hGlobal));
if (!hdrop)
return false;
if (!DragQueryFileW(hdrop, 0, filename, ARRAYSIZE(filename)))
goto exit;
if (_wcsicmp(PathFindExtensionW(filename), L".url"))
goto exit;
if (!GetPrivateProfileStringW(L"InternetShortcut", L"url", 0, urlBuffer, ARRAYSIZE(urlBuffer), filename))
goto exit;
if (title) {
PathRemoveExtension(filename);
*title = String((UChar*)filename);
}
url = String((UChar*)urlBuffer);
succeeded = true;
exit:
// Free up memory.
DragFinish(hdrop);
GlobalUnlock(medium.hGlobal);
#endif
return succeeded;
}
static JSValueRef beginDragWithFilesCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount < 1)
return JSValueMakeUndefined(context);
JSObjectRef filesArray = JSValueToObject(context, arguments[0], 0);
if (!filesArray)
return JSValueMakeUndefined(context);
JSStringRef lengthProperty = JSStringCreateWithUTF8CString("length");
Vector<UChar> files;
int filesCount = JSValueToNumber(context, JSObjectGetProperty(context, filesArray, lengthProperty, 0), 0);
for (int i = 0; i < filesCount; ++i) {
JSValueRef value = JSObjectGetPropertyAtIndex(context, filesArray, i, 0);
JSStringRef file = JSValueToStringCopy(context, value, 0);
files.append(JSStringGetCharactersPtr(file), JSStringGetLength(file));
files.append(0);
JSStringRelease(file);
}
if (files.isEmpty())
return JSValueMakeUndefined(context);
// We should append "0" in the end of |files| so that |DragQueryFileW| retrieved the number of files correctly from Ole Clipboard.
files.append(0);
STGMEDIUM hDropMedium = {0};
hDropMedium.tymed = TYMED_HGLOBAL;
SIZE_T dropFilesSize = sizeof(DROPFILES) + (sizeof(WCHAR) * files.size());
hDropMedium.hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, dropFilesSize);
DROPFILES* dropFiles = reinterpret_cast<DROPFILES*>(GlobalLock(hDropMedium.hGlobal));
memset(dropFiles, 0, sizeof(DROPFILES));
dropFiles->pFiles = sizeof(DROPFILES);
dropFiles->fWide = TRUE;
UChar* data = reinterpret_cast<UChar*>(reinterpret_cast<BYTE*>(dropFiles) + sizeof(DROPFILES));
for (size_t i = 0; i < files.size(); ++i)
data[i] = files[i];
GlobalUnlock(hDropMedium.hGlobal);
STGMEDIUM hFileNameMedium = {0};
hFileNameMedium.tymed = TYMED_HGLOBAL;
SIZE_T hFileNameSize = sizeof(WCHAR) * files.size();
hFileNameMedium.hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, hFileNameSize);
WCHAR* hFileName = static_cast<WCHAR*>(GlobalLock(hFileNameMedium.hGlobal));
for (size_t i = 0; i < files.size(); i++)
hFileName[i] = files[i];
GlobalUnlock(hFileNameMedium.hGlobal);
if (draggingInfo) {
delete draggingInfo;
draggingInfo = 0;
}
COMPtr<DRTDataObject> dataObeject;
COMPtr<IDropSource> source;
if (FAILED(DRTDataObject::createInstance(&dataObeject)))
dataObeject = 0;
if (FAILED(DRTDropSource::createInstance(&source)))
source = 0;
if (dataObeject && source) {
draggingInfo = new DraggingInfo(dataObeject.get(), source.get());
draggingInfo->setPerformedDropEffect(DROPEFFECT_COPY);
}
if (draggingInfo) {
draggingInfo->dataObject()->SetData(cfHDropFormat(), &hDropMedium, FALSE);
draggingInfo->dataObject()->SetData(cfFileNameWFormat(), &hFileNameMedium, FALSE);
draggingInfo->dataObject()->SetData(cfUrlWFormat(), &hFileNameMedium, FALSE);
OleSetClipboard(draggingInfo->dataObject());
down = true;
}
JSStringRelease(lengthProperty);
return JSValueMakeUndefined(context);
}
bool DragData::containsFiles() const
{
return (m_platformDragData) ? SUCCEEDED(m_platformDragData->QueryGetData(cfHDropFormat())) : m_dragDataMap.contains(cfHDropFormat()->cfFormat);
}
bool DragData::containsFiles() const
{
return SUCCEEDED(m_platformDragData->QueryGetData(cfHDropFormat()));
}
