areViewsPresent static method

void areViewsPresent(
  1. String listenerId,
  2. dynamic searchElements,
  3. double pixRatio,
  4. int screenWidth,
  5. int screenHeight,
)

Implementation

static void areViewsPresent(String listenerId, searchElements,
    double pixRatio, int screenWidth, int screenHeight) {
  try {
    screenHeight = (MediaQuery.of(_ctx).size.height * pixRatio).round();
    screenWidth = (MediaQuery.of(_ctx).size.width * pixRatio).round();
    List<Map<String, dynamic>> presentElements = [];
    for (int i = 0; i < searchElements.length; i++) {
      var key = searchElements[i]["clientElementId"];
      if (!key.contains("<'") && !key.contains("'>")) {
        key = "[<'$key'>]";
      }
      if(visibilityMap[key] == 100.0) {
        BuildContext? element = findViewByKey(key, _ctx);
        if (element != null) {
          RenderBox box = element.findRenderObject() as RenderBox;
          Offset position = box.localToGlobal(Offset.zero);
          if (isWithinBounds(
              element, position, pixRatio, screenWidth, screenHeight)) {
            presentElements.add(searchElements[i]);
          }
        }
      }
    }

    plotlineChannel.invokeMethod('areViewsPresent', <String, dynamic>{
      "listenerId": listenerId,
      "presentElements": presentElements
    });
  } catch (e) {
    debugPrint("Error in areViewsPresent: $e");
  }
}