static GfxDeviceFamily*
BlacklistDevicesToDeviceFamily(nsIDOMHTMLCollection* aDevices)
{
uint32_t length;
if (NS_FAILED(aDevices->GetLength(&length)))
return nullptr;
// For each <device>, get its device ID, and return a freshly-allocated
// GfxDeviceFamily with the contents of that array.
GfxDeviceFamily* deviceIds = new GfxDeviceFamily;
for (uint32_t i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> node;
if (NS_FAILED(aDevices->Item(i, getter_AddRefs(node))) || !node)
continue;
nsAutoString deviceValue;
if (!BlacklistNodeToTextValue(node, deviceValue))
continue;
deviceIds->AppendElement(deviceValue);
}
return deviceIds;
}
static GfxDeviceFamily*
BlacklistDevicesToDeviceFamily(nsTArray<nsCString>& devices)
{
if (devices.Length() == 0)
return nullptr;
// For each device, get its device ID, and return a freshly-allocated
// GfxDeviceFamily with the contents of that array.
GfxDeviceFamily* deviceIds = new GfxDeviceFamily;
for (uint32_t i = 0; i < devices.Length(); ++i) {
// We make sure we don't add any "empty" device entries to the array, so
// we don't need to check if devices[i] is empty.
deviceIds->AppendElement(NS_ConvertUTF8toUTF16(devices[i]));
}
return deviceIds;
}