Iframe receiving null attributes when working with CustomRender #475
Description
Although the default iframe render works fine, both attributes and element parameters from CustomRender are aways null when using it with iframe:
Html(
data:
'<iframe src="/api/flow.js?q=https%3A%2F%2Fgoogle.com"></iframe>'
'<iframe title="W3Schools Free Online Web Tutorials" src="/api/flow.js?q=https%3A%2F%2Fwww.w3schools.com%2Ftags%2Fdemo_iframe_sandbox.htm"></iframe>'
'<iframe width="560" height="315" src="/api/flow.js?q=https%3A%2F%2Fwww.youtube.com%2Fembed%2FmfokPqeSNcw" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>',
customRender: {
'iframe' : (
RenderContext context,
Widget parsedChild,
Map<String, String> attributes,
dom.Element element,
) {
print(element);
print(attributes);
return null;
},
}
)flutter_html: ^1.1.1 and flutter_html: ^1.0.2
% fvm flutter doctor
FVM: Running version 1.22.2
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel unknown, 1.22.2, on Mac OS X 10.15.5 19F101, locale en-BR)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 11.3.1)
[✓] Chrome - develop for the web
[!] Android Studio (version 4.1)
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
[!] IntelliJ IDEA Ultimate Edition (version 2019.2.4)
✗ Flutter plugin not installed; this adds Flutter specific functionality.
[✓] Connected device (4 available)
This issue is similar to what #464 and #473 described, but I've opened a new one to be clear that the problem is when using iframe with CustomRender.