public static JavaScriptValue CreateArrayBuffer(this IJSValueService valueService, JSArrayBuffer source)
{
IContextSwitchService switchService = valueService.CurrentNode.GetService <IRuntimeService>().InternalContextSwitchService;
return(switchService.With <JavaScriptValue>(() =>
{
if (source.JSSource.IsValid)
{
return source.JSSource;
}
switch (source.BufferSource)
{
case SharedBufferSourceEnum.CreateByJavascript:
throw new InvalidOperationException("invalid source array buffer"); //create by javascript should already have JavaScriptValue assigned
case SharedBufferSourceEnum.CreateInJavascript:
{
JavaScriptValue result = JavaScriptValue.CreateArrayBuffer((uint)source.Size);
source.SetJSSource(result, switchService); //hold the varient
var data = JavaScriptValue.GetArrayBufferStorage(result, out uint bufferSize);
source.InitWindow(data, false);
source.InitBeforeConvert(source.Buffer);
return result;
}
case SharedBufferSourceEnum.CreateByDotnet:
case SharedBufferSourceEnum.CreateByExternal:
{
var result = JavaScriptValue.CreateExternalArrayBuffer(source.Buffer.Handle, (uint)source.Buffer.ByteLength, null, IntPtr.Zero); //do not handle GC callback, user should control the varient life cycle
source.SetJSSource(result, switchService); //hold the varient
return result;
}
default:
throw new ArgumentOutOfRangeException("Invalid BufferSource property in JSArryBuffer object");
}
}
));
}
