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 cfhtml(UTF8Encoding().decode(static_cast<char*>(GlobalLock(cbData)), dataSize));
GlobalUnlock(cbData);
::CloseClipboard();
PassRefPtr<DocumentFragment> fragment = fragmentFromCFHTML(frame->document(), cfhtml);
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 = static_cast<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 = static_cast<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;
}
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();
}
