/// <summary>
/// Called when an application request to send a file
/// </summary>
/// <param name="client"></param>
private void AcceptFile(Socket client)
{
try
{
HandshakeData data = this._receiver.Handshake(client);
if (data == null)
{
return;
}
DialogResult result = UIMessage.Ask(this, "A computer " + data.MachineName +
" wishes to transfer a file " + data.FileName +
" of size" + this.ToSize(data.FileLen) +
"\r\nAccept?", "Receive file");
this._receiver.HandshakeResponse(client, result == DialogResult.Yes);
///If user decided to not receive the file
if (result == DialogResult.No)
{
return;
}
///Fire the delegate that will call the ShowReceiveFileForm method
this.BeginInvoke(new OpenReceiveFormCallback(this.ShowReceiveFileForm), client, data);
}
catch (Exception)
{
}
}
private void LoadWatermarkingStegoProcessor()
{
try
{
///Reduce the message length to 256 character
if (this.cb_watermark.Checked)
{
///Change summary controls
WatermarkSummary summaryControl = new WatermarkSummary();
this._currentControl = summaryControl;
this.ShowNewSummaryControl(summaryControl);
if (this._processor != null)
{
try
{
this._processor.Dispose();
}
catch (Exception)
{
}
this._processor = null;
}
this._processor = StegoProcessorBase.GetProcessor(this.txt_coverFileName.Text, true);
if (this._processor == null)
{
return;
}
this._processor.LoadHost(this.txt_coverFileName.Text, true);
WatermarkingStegoProcessor processor = (WatermarkingStegoProcessor)this._processor;
///Display the length of video
summaryControl.VideoLength = processor.Length.ToString() + " sec";
///Display the framerate
summaryControl.FrameRate = processor.FrameRate.ToString();
///Display the dimensions
summaryControl.Dimension = processor.Width.ToString() + " x " + processor.Height.ToString() + " px";
///Display the hiding capacity
this._hidingCapacity = (int)processor.HidingCapacity / 2;
this.rtxt_message.MaxLength = WATERMARK_LEN;
///If there is already text in text box
if (rtxt_message.Text.Length > WATERMARK_LEN)
{
DialogResult result = UIMessage.Ask(this, @"Enabling watermarking allows only " + WATERMARK_LEN.ToString() + " characters for hiding.\r\n"
+ "The current length of message is " + this.rtxt_message.Text.Length.ToString() + ".\r\n"
+ "Do you wish to automatically strip the mssage to " + WATERMARK_LEN.ToString() + " characters?",
TITLE);
if (result == DialogResult.Yes)
{
this.rtxt_message.Text = this.rtxt_message.Text.Substring(0, WATERMARK_LEN - 1);
}
else
{
this.cb_watermark.Checked = false;
}
}
}
else
{
this.LoadProcessor(this.txt_coverFileName.Text);
}
}
catch (Exception exc)
{
UIMessage.Error(exc.Message, TITLE);
if (this._processor != null)
{
try
{
this._processor.Dispose();
}
catch (Exception)
{
}
this._processor = null;
}
}
}