internal protected async Task <IDisposable> WatchVoidSignalAsync(string iface, string member, Action <Exception> error, Action action)
{
var synchronizationContext = _connection.CaptureSynchronizationContext();
var wrappedDisposable = new WrappedDisposable(synchronizationContext);
SignalHandler handler = (msg, ex) =>
{
if (ex != null)
{
if (error == null)
{
return;
}
wrappedDisposable.Call(error, ex, disposes: true);
return;
}
if (!SenderMatches(msg))
{
return;
}
wrappedDisposable.Call(action);
};
wrappedDisposable.Disposable = await _connection.WatchSignalAsync(ObjectPath, iface, member, handler);
return(wrappedDisposable);
}
internal protected async Task <IDisposable> WatchNonVoidSignalAsync <T>(string iface, string member, Action <Exception> error, Action <T> action, ReadMethodDelegate <T> readValue, bool isPropertiesChanged)
{
var synchronizationContext = _connection.CaptureSynchronizationContext();
var wrappedDisposable = new WrappedDisposable(synchronizationContext);
SignalHandler handler = (msg, ex) =>
{
if (ex != null)
{
if (error == null)
{
return;
}
wrappedDisposable.Call(error, ex, disposes: true);
return;
}
if (!SenderMatches(msg))
{
return;
}
var reader = new MessageReader(msg, _factory);
if (isPropertiesChanged)
{
var eventIface = reader.ReadString();
if (eventIface != iface)
{
return;
}
reader.SetSkipNextStructPadding();
}
var value = readValue(reader);
wrappedDisposable.Call(action, value);
};
if (isPropertiesChanged)
{
wrappedDisposable.Disposable = await _connection.WatchSignalAsync(ObjectPath, "org.freedesktop.DBus.Properties", "PropertiesChanged", handler);
}
else
{
wrappedDisposable.Disposable = await _connection.WatchSignalAsync(ObjectPath, iface, member, handler);
}
return(wrappedDisposable);
}