83 lines
3.0 KiB
C#
83 lines
3.0 KiB
C#
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/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation.
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*
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* This source code is subject to terms and conditions of the Apache License, Version 2.0. A
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* copy of the license can be found in the License.html file at the root of this distribution. If
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* you cannot locate the Apache License, Version 2.0, please send an email to
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* vspython@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
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* by the terms of the Apache License, Version 2.0.
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*
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* You must not remove this notice, or any other, from this software.
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*
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* ***************************************************************************/
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Threading;
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using Microsoft.VisualStudio.PlatformUI;
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namespace Microsoft.VisualStudio.Project {
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/// <summary>
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/// Interaction logic for WaitForCompleteAnalysisDialog.xaml
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/// </summary>
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partial class TaskProgressBar : DialogWindowVersioningWorkaround {
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private readonly Task _task;
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private readonly DispatcherTimer _timer;
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private readonly CancellationTokenSource _cancelSource;
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public TaskProgressBar(Task task, CancellationTokenSource cancelSource, string message) {
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_task = task;
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InitializeComponent();
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_waitLabel.Text = message;
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_timer = new DispatcherTimer();
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_timer.Interval = new TimeSpan(0, 0, 1);
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_timer.Start();
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_timer.Tick += TimerTick;
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_cancelSource = cancelSource;
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}
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void TimerTick(object sender, EventArgs e) {
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_progress.Value = (_progress.Value + 1) % 100;
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}
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protected override void OnInitialized(System.EventArgs e) {
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// when the task completes we post back onto our UI thread to close the dialog box.
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// Capture the UI scheduler, and setup a continuation to do the close.
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var curScheduler = TaskScheduler.FromCurrentSynchronizationContext();
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_task.ContinueWith(new CloseDialog(curScheduler, this).Close);
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base.OnInitialized(e);
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}
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class CloseDialog {
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private readonly TaskScheduler _ui;
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private readonly TaskProgressBar _progressBar;
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public CloseDialog(TaskScheduler uiScheduler, TaskProgressBar progressBar) {
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_ui = uiScheduler;
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_progressBar = progressBar;
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}
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public void Close(Task task) {
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var newTask = new Task(CloseWorker);
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newTask.Start(_ui);
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newTask.Wait();
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}
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private void CloseWorker() {
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_progressBar.DialogResult = true;
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_progressBar.Close();
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}
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}
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private void _cancelButton_Click(object sender, RoutedEventArgs e) {
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_cancelSource.Cancel();
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this.DialogResult = false;
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this.Close();
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}
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}
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}
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