NS_IMETHODIMP
nsClipboard::GetData(nsITransferable *aTransferable, PRInt32 aWhichClipboard)
{
if (!aTransferable)
return NS_ERROR_FAILURE;
GtkClipboard *clipboard;
clipboard = gtk_clipboard_get(GetSelectionAtom(aWhichClipboard));
guchar *data = NULL;
gint length = 0;
PRBool foundData = PR_FALSE;
nsCAutoString foundFlavor;
// Get a list of flavors this transferable can import
nsCOMPtr<nsISupportsArray> flavors;
nsresult rv;
rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavors));
if (!flavors || NS_FAILED(rv))
return NS_ERROR_FAILURE;
PRUint32 count;
flavors->Count(&count);
for (PRUint32 i=0; i < count; i++) {
nsCOMPtr<nsISupports> genericFlavor;
flavors->GetElementAt(i, getter_AddRefs(genericFlavor));
nsCOMPtr<nsISupportsCString> currentFlavor;
currentFlavor = do_QueryInterface(genericFlavor);
if (currentFlavor) {
nsXPIDLCString flavorStr;
currentFlavor->ToString(getter_Copies(flavorStr));
// Special case text/unicode since we can convert any
// string into text/unicode
if (!strcmp(flavorStr, kUnicodeMime)) {
gchar* new_text = wait_for_text(clipboard);
if (new_text) {
// Convert utf-8 into our unicode format.
NS_ConvertUTF8toUCS2 ucs2string(new_text);
data = (guchar *)ToNewUnicode(ucs2string);
length = ucs2string.Length() * 2;
g_free(new_text);
foundData = PR_TRUE;
foundFlavor = kUnicodeMime;
break;
}
// If the type was text/unicode and we couldn't get
// text off the clipboard, run the next loop
// iteration.
continue;
}
// Get the atom for this type and try to request it off
// the clipboard.
GdkAtom atom = gdk_atom_intern(flavorStr, FALSE);
GtkSelectionData *selectionData;
selectionData = wait_for_contents(clipboard, atom);
if (selectionData) {
length = selectionData->length;
// Special case text/html since we can convert into UCS2
if (!strcmp(flavorStr, kHTMLMime)) {
PRUnichar* htmlBody= nsnull;
PRInt32 htmlBodyLen = 0;
// Convert text/html into our unicode format
ConvertHTMLtoUCS2((guchar *)selectionData->data, length,
&htmlBody, htmlBodyLen);
if (!htmlBodyLen)
break;
data = (guchar *)htmlBody;
length = htmlBodyLen * 2;
} else {
data = (guchar *)nsMemory::Alloc(length);
if (!data)
break;
memcpy(data, selectionData->data, length);
}
foundData = PR_TRUE;
foundFlavor = flavorStr;
break;
}
}
}
if (foundData) {
nsCOMPtr<nsISupports> wrapper;
nsPrimitiveHelpers::CreatePrimitiveForData(foundFlavor.get(),
data, length,
getter_AddRefs(wrapper));
aTransferable->SetTransferData(foundFlavor.get(),
wrapper, length);
}
if (data)
nsMemory::Free(data);
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::GetData(nsITransferable *aTransferable, PRInt32 aWhichClipboard)
{
if (!aTransferable)
return NS_ERROR_FAILURE;
GtkClipboard *clipboard;
clipboard = gtk_clipboard_get(GetSelectionAtom(aWhichClipboard));
guchar *data = NULL;
gint length = 0;
bool foundData = false;
nsCAutoString foundFlavor;
// Get a list of flavors this transferable can import
nsCOMPtr<nsISupportsArray> flavors;
nsresult rv;
rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavors));
if (!flavors || NS_FAILED(rv))
return NS_ERROR_FAILURE;
PRUint32 count;
flavors->Count(&count);
for (PRUint32 i=0; i < count; i++) {
nsCOMPtr<nsISupports> genericFlavor;
flavors->GetElementAt(i, getter_AddRefs(genericFlavor));
nsCOMPtr<nsISupportsCString> currentFlavor;
currentFlavor = do_QueryInterface(genericFlavor);
if (currentFlavor) {
nsXPIDLCString flavorStr;
currentFlavor->ToString(getter_Copies(flavorStr));
// Special case text/unicode since we can convert any
// string into text/unicode
if (!strcmp(flavorStr, kUnicodeMime)) {
gchar* new_text = wait_for_text(clipboard);
if (new_text) {
// Convert utf-8 into our unicode format.
NS_ConvertUTF8toUTF16 ucs2string(new_text);
data = (guchar *)ToNewUnicode(ucs2string);
length = ucs2string.Length() * 2;
g_free(new_text);
foundData = true;
foundFlavor = kUnicodeMime;
break;
}
// If the type was text/unicode and we couldn't get
// text off the clipboard, run the next loop
// iteration.
continue;
}
// For images, we must wrap the data in an nsIInputStream then return instead of break,
// because that code below won't help us.
if (!strcmp(flavorStr, kJPEGImageMime) || !strcmp(flavorStr, kPNGImageMime) || !strcmp(flavorStr, kGIFImageMime)) {
GdkAtom atom;
if (!strcmp(flavorStr, kJPEGImageMime)) // This is image/jpg, but X only understands image/jpeg
atom = gdk_atom_intern("image/jpeg", FALSE);
else
atom = gdk_atom_intern(flavorStr, FALSE);
GtkSelectionData *selectionData = wait_for_contents(clipboard, atom);
if (!selectionData)
continue;
nsCOMPtr<nsIInputStream> byteStream;
NS_NewByteInputStream(getter_AddRefs(byteStream), (const char*)selectionData->data,
selectionData->length, NS_ASSIGNMENT_COPY);
aTransferable->SetTransferData(flavorStr, byteStream, sizeof(nsIInputStream*));
gtk_selection_data_free(selectionData);
return NS_OK;
}
// Get the atom for this type and try to request it off
// the clipboard.
GdkAtom atom = gdk_atom_intern(flavorStr, FALSE);
GtkSelectionData *selectionData;
selectionData = wait_for_contents(clipboard, atom);
if (selectionData) {
length = selectionData->length;
// Special case text/html since we can convert into UCS2
if (!strcmp(flavorStr, kHTMLMime)) {
PRUnichar* htmlBody= nsnull;
PRInt32 htmlBodyLen = 0;
// Convert text/html into our unicode format
ConvertHTMLtoUCS2((guchar *)selectionData->data, length,
&htmlBody, htmlBodyLen);
// Try next data format?
if (!htmlBodyLen)
continue;
data = (guchar *)htmlBody;
length = htmlBodyLen * 2;
} else {
data = (guchar *)nsMemory::Alloc(length);
if (!data)
break;
memcpy(data, selectionData->data, length);
}
foundData = true;
foundFlavor = flavorStr;
break;
}
}
}
if (foundData) {
nsCOMPtr<nsISupports> wrapper;
nsPrimitiveHelpers::CreatePrimitiveForData(foundFlavor.get(),
data, length,
getter_AddRefs(wrapper));
aTransferable->SetTransferData(foundFlavor.get(),
wrapper, length);
}
if (data)
nsMemory::Free(data);
return NS_OK;
}