PassRefPtr<DocumentFragment> fragmentFromHTML(Document* doc, IDataObject* data)
{
if (!doc || !data)
return 0;
STGMEDIUM store;
String html;
String srcURL;
if (SUCCEEDED(data->GetData(htmlFormat(), &store))) {
//MS HTML Format parsing
char* data = (char*)GlobalLock(store.hGlobal);
SIZE_T dataSize = ::GlobalSize(store.hGlobal);
String cf_html(UTF8Encoding().decode(data, dataSize));
GlobalUnlock(store.hGlobal);
ReleaseStgMedium(&store);
if (PassRefPtr<DocumentFragment> fragment = fragmentFromCF_HTML(doc, cf_html))
return fragment;
}
if (SUCCEEDED(data->GetData(texthtmlFormat(), &store))) {
//raw html
UChar* data = (UChar*)GlobalLock(store.hGlobal);
html = String(data);
GlobalUnlock(store.hGlobal);
ReleaseStgMedium(&store);
return createFragmentFromMarkup(doc, html, srcURL);
}
return 0;
}
static String getFullCFHTML(IDataObject* data, bool& success)
{
STGMEDIUM store;
if (SUCCEEDED(data->GetData(htmlFormat(), &store))) {
// MS HTML Format parsing
char* data = static_cast<char*>(GlobalLock(store.hGlobal));
SIZE_T dataSize = ::GlobalSize(store.hGlobal);
String cfhtml(UTF8Encoding().decode(data, dataSize));
GlobalUnlock(store.hGlobal);
ReleaseStgMedium(&store);
success = true;
return cfhtml;
}
success = false;
return String();
}
void Clipboard::declareAndWriteDragImage(Element* element, const KURL& url, const String& title, Frame* frame)
{
// Order is important here for Explorer's sake
if (!m_pasteboard->writableDataObject())
return;
m_pasteboard->writeURLToWritableDataObject(url, title);
m_pasteboard->writeImageToDataObject(element, url);
AtomicString imageURL = element->getAttribute(HTMLNames::srcAttr);
if (imageURL.isEmpty())
return;
KURL fullURL = frame->document()->completeURL(stripLeadingAndTrailingHTMLSpaces(imageURL));
if (fullURL.isEmpty())
return;
STGMEDIUM medium = {0};
medium.tymed = TYMED_HGLOBAL;
// Put img tag on the clipboard referencing the image
Vector<char> data;
markupToCFHTML(createMarkup(element, IncludeNode, 0, ResolveAllURLs), "", data);
medium.hGlobal = createGlobalData(data);
if (medium.hGlobal && FAILED(m_pasteboard->writableDataObject()->SetData(htmlFormat(), &medium, TRUE)))
::GlobalFree(medium.hGlobal);
}
bool containsHTML(IDataObject* data)
{
return SUCCEEDED(data->QueryGetData(texthtmlFormat())) || SUCCEEDED(data->QueryGetData(htmlFormat()));
}