NS_IMETHODIMP
nsClipboard::SetNativeClipboardData( nsITransferable *aTransferable,
QClipboard::Mode clipboardMode )
{
if (nullptr == aTransferable)
{
NS_WARNING("nsClipboard::SetNativeClipboardData(): no transferable!");
return NS_ERROR_FAILURE;
}
// get flavor list that includes all flavors that can be written (including
// ones obtained through conversion)
nsCOMPtr<nsISupportsArray> flavorList;
nsresult rv = aTransferable->FlavorsTransferableCanExport( getter_AddRefs(flavorList) );
if (NS_FAILED(rv))
{
NS_WARNING("nsClipboard::SetNativeClipboardData(): no FlavorsTransferable !");
return NS_ERROR_FAILURE;
}
QClipboard *cb = QGuiApplication::clipboard();
QMimeData *mimeData = new QMimeData;
uint32_t flavorCount = 0;
flavorList->Count(&flavorCount);
bool imageAdded = false;
for (uint32_t i = 0; i < flavorCount; ++i)
{
nsCOMPtr<nsISupports> genericFlavor;
flavorList->GetElementAt(i,getter_AddRefs(genericFlavor));
nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
if (currentFlavor)
{
// flavorStr is the mime type
nsXPIDLCString flavorStr;
currentFlavor->ToString(getter_Copies(flavorStr));
// Clip is the data which will be sent to the clipboard
nsCOMPtr<nsISupports> clip;
// len is the length of the data
uint32_t len;
// Unicode text?
if (!strcmp(flavorStr.get(), kUnicodeMime))
{
rv = aTransferable->GetTransferData(flavorStr,getter_AddRefs(clip),&len);
nsCOMPtr<nsISupportsString> wideString;
wideString = do_QueryInterface(clip);
if (!wideString || NS_FAILED(rv))
continue;
nsAutoString utf16string;
wideString->GetData(utf16string);
QString str = QString::fromUtf16((const ushort*)utf16string.get());
// Add text to the mimeData
mimeData->setText(str);
}
// html?
else if (!strcmp(flavorStr.get(), kHTMLMime))
{
rv = aTransferable->GetTransferData(flavorStr,getter_AddRefs(clip),&len);
nsCOMPtr<nsISupportsString> wideString;
wideString = do_QueryInterface(clip);
if (!wideString || NS_FAILED(rv))
continue;
nsAutoString utf16string;
wideString->GetData(utf16string);
QString str = QString::fromUtf16((const ushort*)utf16string.get());
// Add html to the mimeData
mimeData->setHtml(str);
}
// image?
else if (!imageAdded // image is added only once to the clipboard
&& (!strcmp(flavorStr.get(), kNativeImageMime)
|| !strcmp(flavorStr.get(), kPNGImageMime)
|| !strcmp(flavorStr.get(), kJPEGImageMime)
|| !strcmp(flavorStr.get(), kJPGImageMime)
|| !strcmp(flavorStr.get(), kGIFImageMime))
)
{
// Look through our transfer data for the image
static const char* const imageMimeTypes[] = {
kNativeImageMime, kPNGImageMime, kJPEGImageMime, kJPGImageMime, kGIFImageMime };
nsCOMPtr<nsISupportsInterfacePointer> ptrPrimitive;
for (uint32_t i = 0; !ptrPrimitive && i < ArrayLength(imageMimeTypes); i++)
{
aTransferable->GetTransferData(imageMimeTypes[i], getter_AddRefs(clip), &len);
ptrPrimitive = do_QueryInterface(clip);
}
if (!ptrPrimitive)
continue;
nsCOMPtr<nsISupports> primitiveData;
ptrPrimitive->GetData(getter_AddRefs(primitiveData));
nsCOMPtr<imgIContainer> image(do_QueryInterface(primitiveData));
if (!image) // Not getting an image for an image mime type!?
continue;
RefPtr<SourceSurface> surface =
image->GetFrame(imgIContainer::FRAME_CURRENT,
imgIContainer::FLAG_SYNC_DECODE);
if (!surface)
continue;
RefPtr<DataSourceSurface> dataSurface =
surface->GetDataSurface();
if (!dataSurface)
continue;
DataSourceSurface::MappedSurface map;
if (!dataSurface->Map(DataSourceSurface::MapType::READ, &map))
continue;
QImage qImage(map.mData,
dataSurface->GetSize().width,
dataSurface->GetSize().height,
map.mStride,
_moz2dformat_to_qformat(dataSurface->GetFormat()));
dataSurface->Unmap();
// Add image to the mimeData
mimeData->setImageData(qImage);
imageAdded = true;
}
// Other flavors, adding data to clipboard "as is"
else
{
rv = aTransferable->GetTransferData(flavorStr.get(), getter_AddRefs(clip), &len);
// nothing found?
if (!clip || NS_FAILED(rv))
continue;
void *primitive_data = nullptr;
nsPrimitiveHelpers::CreateDataFromPrimitive(flavorStr.get(), clip,
&primitive_data, len);
if (primitive_data)
{
QByteArray data ((const char *)primitive_data, len);
// Add data to the mimeData
mimeData->setData(flavorStr.get(), data);
free(primitive_data);
}
}
}
}
// If we have some mime data, add it to the clipboard
if(!mimeData->formats().isEmpty())
cb->setMimeData(mimeData, clipboardMode);
else
delete mimeData;
return NS_OK;
}
