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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt VS Tools.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
using System;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using QtVsTools.VisualStudio;
namespace QtVsTools.Core
{
public class WaitDialog : IDisposable
{
static IVsThreadedWaitDialogFactory factory = null;
private IVsThreadedWaitDialog2 VsWaitDialog { get; set; }
private bool Running { get; set; }
bool? vsDialogCanceled = null;
public bool Canceled
{
get
{
if (vsDialogCanceled.HasValue)
return vsDialogCanceled.Value;
if (VsWaitDialog == null)
return false;
ThreadHelper.ThrowIfNotOnUIThread();
int res = VsWaitDialog.HasCanceled(out bool canceled);
if (res != VSConstants.S_OK)
return false;
return canceled;
}
private set
{
vsDialogCanceled = value;
}
}
private WaitDialog() { }
static WaitDialog Create(IVsThreadedWaitDialogFactory dialogFactory)
{
if (factory == null) {
factory = dialogFactory ?? VsServiceProvider
.GetService<SVsThreadedWaitDialogFactory, IVsThreadedWaitDialogFactory>();
if (factory == null)
return null;
}
ThreadHelper.ThrowIfNotOnUIThread();
factory.CreateInstance(out IVsThreadedWaitDialog2 vsWaitDialog);
if (vsWaitDialog == null)
return null;
return new WaitDialog
{
VsWaitDialog = vsWaitDialog,
Running = true,
};
}
public static WaitDialog Start(
string caption,
string message,
string progressText = null,
string statusBarText = null,
int delay = 0,
bool isCancelable = false,
bool showMarqueeProgress = true,
IVsThreadedWaitDialogFactory dialogFactory = null)
{
var dialog = Create(dialogFactory);
if (dialog == null)
return null;
ThreadHelper.ThrowIfNotOnUIThread();
var res = dialog.VsWaitDialog.StartWaitDialog(caption, message, progressText,
null, statusBarText, delay, isCancelable, showMarqueeProgress);
if (res != VSConstants.S_OK)
return null;
return dialog;
}
public static WaitDialog StartWithProgress(
string caption,
string message,
int totalSteps,
int currentStep = 0,
string progressText = null,
string statusBarText = null,
int delay = 0,
bool isCancelable = false,
IVsThreadedWaitDialogFactory dialogFactory = null)
{
var dialog = Create(dialogFactory);
if (dialog == null)
return null;
ThreadHelper.ThrowIfNotOnUIThread();
var res = dialog.VsWaitDialog.StartWaitDialogWithPercentageProgress(
caption, message, progressText, null, statusBarText,
isCancelable, delay, totalSteps, currentStep);
if (res != VSConstants.S_OK)
return null;
return dialog;
}
public void Update(
string message,
int totalSteps,
int currentStep,
string progressText = null,
string statusBarText = null,
bool disableCancel = false)
{
if (!Running)
return;
ThreadHelper.ThrowIfNotOnUIThread();
int res = VsWaitDialog.UpdateProgress(message, progressText,
statusBarText, currentStep, totalSteps, disableCancel, out bool canceled);
if (res != VSConstants.S_OK)
return;
if (canceled)
Stop();
}
public void Stop()
{
if (!Running)
return;
ThreadHelper.ThrowIfNotOnUIThread();
Running = false;
VsWaitDialog.EndWaitDialog(out int canceled);
Canceled = (canceled != 0);
}
void IDisposable.Dispose()
{
ThreadHelper.ThrowIfNotOnUIThread();
Stop();
}
}
}
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