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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using KeePass.UI;
using KeePass.Util;
using KeePassLib;
using KeePassLib.Interfaces;
namespace KeePass.Forms
{
public partial class StatusProgressForm : Form, IStatusLogger
{
private string m_strTitle = null;
private bool m_bCanCancel = true;
private bool m_bMarquee = false;
private Form m_fOwner = null;
private volatile bool m_bCancelled = false;
private bool m_bCanClose = true;
public bool UserCancelled
{
get { return m_bCancelled; }
}
public static StatusProgressForm ConstructEx(string strTitle,
bool bCanCancel, bool bMarqueeProgress, Form fOwner,
string strInitialOp)
{
StatusProgressForm dlg = new StatusProgressForm();
dlg.InitEx(strTitle, bCanCancel, bMarqueeProgress, fOwner);
if(fOwner != null) dlg.Show(fOwner);
else dlg.Show();
dlg.StartLogging(strInitialOp, false);
return dlg;
}
public static void DestroyEx(StatusProgressForm dlg)
{
if(dlg == null) { Debug.Assert(false); return; }
dlg.EndLogging();
dlg.Close();
UIUtil.DestroyForm(dlg);
}
public void InitEx(string strTitle, bool bCanCancel, bool bMarqueeProgress,
Form fOwner)
{
m_strTitle = strTitle; // May be null
m_bCanCancel = bCanCancel;
m_bMarquee = bMarqueeProgress;
m_fOwner = fOwner;
}
public StatusProgressForm()
{
InitializeComponent();
Program.Translation.ApplyTo(this);
}
private void OnFormLoad(object sender, EventArgs e)
{
// Must work without a parent window
Debug.Assert(this.StartPosition == FormStartPosition.CenterScreen);
GlobalWindowManager.AddWindow(this);
m_pbTotal.Minimum = 0;
m_pbTotal.Maximum = 100;
m_pbTotal.Value = 0;
try { if(m_bMarquee) m_pbTotal.Style = ProgressBarStyle.Marquee; }
catch(Exception) { Debug.Assert(WinUtil.IsWindows9x || WinUtil.IsWindows2000); }
if(!string.IsNullOrEmpty(m_strTitle)) this.Text = m_strTitle;
else this.Text = PwDefs.ShortProductName;
try { if(m_fOwner != null) this.Owner = m_fOwner; }
catch(Exception) { Debug.Assert(false); } // Throws from other thread
if(!m_bCanCancel) m_btnCancel.Enabled = false;
}
private void OnBtnCancel(object sender, EventArgs e)
{
this.DialogResult = DialogResult.None;
if(m_bCancelled) { Debug.Assert(false); return; }
if(!m_bCanCancel) return;
m_bCancelled = true;
m_btnCancel.Enabled = false;
}
public delegate void Priv_SetProgressInternal(string strText, int nPercent);
private void SetProgressInternal(string strText, int nPercent)
{
Debug.Assert(!m_lblTotal.InvokeRequired);
Debug.Assert(!m_pbTotal.InvokeRequired);
if(strText != null) m_lblTotal.Text = strText;
if((nPercent >= 0) && (nPercent <= 100))
m_pbTotal.Value = nPercent; // .NET compares with cached value
}
private bool SetProgressGlobal(string strText, int nPercent)
{
if(this.InvokeRequired)
this.Invoke(new Priv_SetProgressInternal(this.SetProgressInternal),
strText, nPercent);
else SetProgressInternal(strText, nPercent);
Application.DoEvents();
return !m_bCancelled;
}
public void StartLogging(string strOperation, bool bWriteOperationToLog)
{
SetProgressGlobal(strOperation, -1);
m_bCanClose = false;
}
public void EndLogging()
{
m_bCanClose = true;
}
public bool SetProgress(uint uPercent)
{
return SetProgressGlobal(null, (int)uPercent);
}
public bool SetText(string strNewText, LogStatusType lsType)
{
return SetProgressGlobal(strNewText, -1);
}
public bool ContinueWork()
{
Application.DoEvents();
return !m_bCancelled;
}
private void OnFormClosed(object sender, FormClosedEventArgs e)
{
GlobalWindowManager.RemoveWindow(this);
}
private void OnFormClosing(object sender, FormClosingEventArgs e)
{
if(!m_bCanClose)
{
Debug.Assert(e.CloseReason == CloseReason.UserClosing);
e.Cancel = true;
}
}
}
}
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