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;
}
PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context, bool allowPlainText, bool& chosePlainText)
{
chosePlainText = false;
if (::IsClipboardFormatAvailable(HTMLClipboardFormat) && ::OpenClipboard(m_owner)) {
// get data off of clipboard
HANDLE cbData = ::GetClipboardData(HTMLClipboardFormat);
if (cbData) {
SIZE_T dataSize = ::GlobalSize(cbData);
String cf_html(UTF8Encoding().decode((char*)GlobalLock(cbData), dataSize));
GlobalUnlock(cbData);
CloseClipboard();
PassRefPtr<DocumentFragment> fragment = fragmentFromCF_HTML(frame->document(), cf_html);
if (fragment)
return fragment;
} else
CloseClipboard();
}
if (allowPlainText && IsClipboardFormatAvailable(CF_UNICODETEXT)) {
chosePlainText = true;
if (OpenClipboard(m_owner)) {
HANDLE cbData = GetClipboardData(CF_UNICODETEXT);
if (cbData) {
UChar* buffer = (UChar*)GlobalLock(cbData);
String str(buffer);
GlobalUnlock(cbData);
CloseClipboard();
RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), str);
if (fragment)
return fragment.release();
} else
CloseClipboard();
}
}
if (allowPlainText && ::IsClipboardFormatAvailable(CF_TEXT)) {
chosePlainText = true;
if (::OpenClipboard(m_owner)) {
HANDLE cbData = ::GetClipboardData(CF_TEXT);
if (cbData) {
char* buffer = (char*)GlobalLock(cbData);
String str(buffer);
GlobalUnlock(cbData);
CloseClipboard();
RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), str);
if (fragment)
return fragment.release();
} else
CloseClipboard();
}
}
return 0;
}
