/* Copyright (c) Citrix Systems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ using System; using System.Drawing; using System.Windows.Forms; using XenAdmin.Network; namespace XenAdmin.Dialogs { public class ConnectionLostDialogLauncher { public ConnectionLostDialogLauncher() { FireOnce = true; } private static readonly string DefaultMessage = Messages.CONNECTION_WAS_LOST; private string displayMessage = DefaultMessage; /// /// Message to display - default provided /// PLEASE_RECONNECT_HOST will be appended to this message /// private string DisplayMessage { set { displayMessage = value; } get { return string.Format(Messages.PLEASE_RECONNECT_HOST, displayMessage); } } private bool fired; /// /// Launch the dialog the first time it's called only /// public bool FireOnce { set; private get; } /// /// Check connection is connected and launch dialog if not /// /// connection to check /// If connection is connected at time of checking public bool IsStillConnected(IXenConnection connection) { if(connection == null) throw new ArgumentNullException("connection", "Could not check if this connection was connected as a null was provided"); if(!string.IsNullOrEmpty(connection.Hostname)) DisplayMessage = string.Format(Messages.NEW_SR_CONNECTION_LOST, connection.Hostname); bool isConnected = connection.IsConnected; if(!isConnected) { if(FireOnce && !fired) LaunchDialog(); if(!FireOnce) LaunchDialog(); } return isConnected; } private void LaunchDialog() { fired = true; Program.Invoke(Program.MainWindow, () => { using (var dlg = new ThreeButtonDialog( new ThreeButtonDialog.Details( SystemIcons.Error, DisplayMessage, Messages.XENCENTER), new ThreeButtonDialog.TBDButton(Messages.OK, DialogResult.OK))) { dlg.ShowDialog(Program.MainWindow); } }); } } }