screenshot method

Future<void> screenshot({ String? name, List<String>? tags, })

Implementation

Future<void> screenshot({String? name, List<String>? tags}) async {
  var context = runContext;

  var index = ++context.screenIndex;
  var parentIds = context.pathTracker.id;

  var screenId = [...parentIds, index].join('-');

  var parentId = context.previousId;
  context.previousId = screenId;

  var parentRectangle = context.previousTap;
  context.previousTap = null;

  var isDuplicatedScreen = context.previousScreens.contains(screenId);

  if (isDuplicatedScreen) {
    // Early exit. In "splits", we capture the same screen. To speed-up we skip
    // the screenshot part.
    context.currentSplitName = null;
    return;
  }
  context.previousScreens.add(screenId);

  var renderView = binding.renderViews.first;

  ui.Brightness? brightnessAt(Offset offset) {
    try {
      //ignore: invalid_use_of_protected_member
      return renderView.layer
          ?.find<SystemUiOverlayStyle>(offset)
          ?.statusBarIconBrightness;
    } catch (e) {
      return null;
    }
  }

  var widgetsApp =
      widgetList(find.byWidgetPredicate((widget) => widget is WidgetsApp))
          .firstOrNull as WidgetsApp?;
  var screen = Screen(screenId, name ?? '').rebuild((s) {
    s
      ..splitName = context.currentSplitName
      ..topBrightness = brightnessAt(Offset(0, 10))?.index
      ..bottomBrightness =
          brightnessAt(Offset(0, runContext.args.device.height - 5))?.index;
    if (widgetsApp != null) {
      s.supportedLocales.replace(widgetsApp.supportedLocales
          .map((l) => SerializableLocale(l.languageCode, l.countryCode))
          .toList());
    }
  });

  context.currentSplitName = null;

  await runAsync(() async {
    Uint8List? pixels;
    if (context.args.imageRatio > 0) {
      var image = await _toImage(renderView, context.args);
      var byteData =
          (await image.toByteData(format: ui.ImageByteFormat.png))!;
      pixels = byteData.buffer.asUint8List();
    }
    var newScreen = NewScreen((b) {
      b
        ..screen.replace(screen)
        ..imageBase64 = pixels != null ? base64Encode(pixels) : null
        ..parent = parentId;
      if (parentRectangle != null) {
        b.parentRectangle.replace(Rectangle.fromLTRB(
            parentRectangle.left,
            parentRectangle.top,
            parentRectangle.right,
            parentRectangle.bottom));
      }
    });

    context.addScreen(newScreen);
  });
}