IClipboardDataControlPackage ConstructPackage(IEnumerable<uint> formats)
{
var package = new ClipboardDataControlPackage();
DecoratePackageWithClipboardData(formats, package);
userInterfaceThread.Invoke(() => DecoratePackageWithControl(package));
return package;
}
void DecoratePackageWithClipboardData(
IEnumerable<uint> formats,
ClipboardDataControlPackage package)
{
foreach (var format in formats)
{
var dataFactory = dataFactories.FirstOrDefault(x => x.CanBuildData(format));
if (dataFactory != null)
{
DecoratePackageWithFormatDataUsingFactory(package, dataFactory, format);
}
}
}
void DecoratePackageWithFormatDataUsingFactory(
ClipboardDataControlPackage package, IClipboardDataControlFactory factory, uint format)
{
var unwrapper = memoryUnwrappers.FirstOrDefault(x => x.CanUnwrap(format));
if (unwrapper != null)
{
var rawData = unwrapper.UnwrapStructure(format);
if (rawData != null)
{
var clipboardData = factory.BuildData(format, rawData);
if (clipboardData != null)
{
package.AddData(clipboardData);
}
}
}
}
private void ClipboardHook_DataCopied(object sender, Events.DataCopiedEventArgument e)
{
var dataObject = e.Data;
var package = new ClipboardDataControlPackage();
foreach (var factory in dataFactories)
{
foreach (var format in dataObject.GetFormats(true))
{
if (factory.CanBuildData(format))
{
var rawData = dataObject.GetData(format);
var clipboardData = factory.BuildData(format, rawData);
package.AddData(clipboardData);
}
}
}
//construct a control if the package contains any data.
foreach (var factory in dataFactories)
{
foreach (var data in package.Contents)
{
if (factory.CanBuildControl(data))
{
package.Control = factory.BuildControl(data);
break;
}
}
}
if(package.Control == null)
{
throw new NotImplementedException("Can't handle unknown data formats yet.");
}
//signal an added event.
if(ControlAdded != null)
{
ControlAdded(this, new ControlEventArgument(package.Control));
}
}
void DecoratePackageWithControl(ClipboardDataControlPackage package)
{
foreach (var data in package.Contents)
{
var dataFactory = dataFactories.FirstOrDefault(x => x.CanBuildControl(data));
if (dataFactory != null)
{
package.Control = dataFactory.BuildControl(data);
break;
}
}
}