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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.VisualStudio.ProjectSystem;
using Microsoft.VisualStudio.ProjectSystem.Properties;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.TaskStatusCenter;
using Microsoft.VisualStudio.Threading;
using Task = System.Threading.Tasks.Task;
namespace QtVsTools.Core.MsBuild
{
using Core;
using Options;
using VisualStudio;
public partial class MsBuildProject
{
private static PunisherQueue<MsBuildProject> InitQueue => StaticLazy.Get(() =>
InitQueue, () => new PunisherQueue<MsBuildProject>());
private static ITaskHandler2 InitStatus { get; set; }
public UnconfiguredProject UnconfiguredProject { get; private set; }
public EventWaitHandle Initialized { get; }
private static async Task InitDispatcherLoopAsync()
{
if (VsServiceProvider.Instance is not AsyncPackage package)
return;
while (!VsShellUtilities.ShutdownToken.IsCancellationRequested) {
while (InitQueue.IsEmpty)
await Task.Delay(100, VsShellUtilities.ShutdownToken);
if (InitQueue.TryDequeue(out var tracker)) {
if (InitStatus == null) {
await package.JoinableTaskFactory.SwitchToMainThreadAsync();
tracker.BeginInitStatus();
await TaskScheduler.Default;
} else {
await package.JoinableTaskFactory.SwitchToMainThreadAsync();
tracker.UpdateInitStatus(0);
await TaskScheduler.Default;
}
await tracker.InitializeAsync();
}
if (InitStatus == null)
continue;
var cancellationRequested = InitStatus.UserCancellation.IsCancellationRequested;
if (!InitQueue.IsEmpty && !cancellationRequested)
continue;
if (cancellationRequested)
InitQueue.Clear();
EndInitStatus();
}
}
private async Task InitializeAsync()
{
var p = 0;
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
UpdateInitStatus(p += 10);
UpdateInitStatus(p += 10);
if (VcProject is not IVsBrowseObjectContext context) {
if (VcProject.Object is not EnvDTE.Project project)
return;
context = project.Object as IVsBrowseObjectContext;
}
if (context == null)
return;
UpdateInitStatus(p += 10);
UnconfiguredProject = context.UnconfiguredProject;
if (UnconfiguredProject?.ProjectService.Services == null)
return;
await TaskScheduler.Default;
UpdateInitStatus(p += 10);
var service = UnconfiguredProject.Services
.ProjectConfigurationsService;
if (service == null)
return;
var configs = await service.GetKnownProjectConfigurationsAsync();
UpdateInitStatus(p += 10);
Initialized.Set();
var n = configs.Count;
var d = (100 - p) / (n * 2);
foreach (var config in configs) {
var configProject = await UnconfiguredProject.LoadConfiguredProjectAsync(config);
UpdateInitStatus(p += d);
configProject.ProjectUnloading += OnProjectUnloadingAsync;
if (QtOptionsPage.BuildDebugInformation) {
Messages.Print($"{DateTime.Now:HH:mm:ss.FFF} "
+ $"QtProjectTracker({Thread.CurrentThread.ManagedThreadId}): "
+ $"Started tracking [{config.Name}] {VcProjectPath}");
}
UpdateInitStatus(p += d);
}
}
private async Task OnProjectUnloadingAsync(object sender, EventArgs args)
{
if (sender is ConfiguredProject project) {
if (QtOptionsPage.BuildDebugInformation) {
Messages.Print($"{DateTime.Now:HH:mm:ss.FFF} QtProjectTracker: "
+ $"Stopped tracking [{project.ProjectConfiguration.Name}] "
+ $"{project.UnconfiguredProject.FullPath}");
}
lock (CriticalSection) {
project.ProjectUnloading -= OnProjectUnloadingAsync;
Instances.TryRemove(project.UnconfiguredProject.FullPath, out _);
}
await Task.Yield();
}
}
private void BeginInitStatus()
{
lock (StaticCriticalSection) {
if (InitStatus != null)
return;
try {
InitStatus = StatusCenter.PreRegister(
new TaskHandlerOptions
{
Title = "Qt VS Tools: Setting up project tracking..."
},
new TaskProgressData
{
ProgressText = $"{VcProjectPath} ({InitQueue.Count} projects remaining)",
CanBeCanceled = true,
PercentComplete = 0
})
as ITaskHandler2;
} catch (Exception exception) {
exception.Log();
}
InitStatus?.RegisterTask(new Task(() => throw new InvalidOperationException()));
}
}
private void UpdateInitStatus(int percentComplete)
{
lock (StaticCriticalSection) {
if (InitStatus == null)
return;
try {
InitStatus.Progress.Report(new TaskProgressData
{
ProgressText = $"{Path.GetFileNameWithoutExtension(VcProjectPath)} "
+ $"({InitQueue.Count} project(s) remaining)",
CanBeCanceled = true,
PercentComplete = percentComplete
});
} catch (Exception exception) {
exception.Log();
}
}
}
private static void EndInitStatus()
{
lock (StaticCriticalSection) {
if (InitStatus == null)
return;
InitStatus.Dismiss();
InitStatus = null;
}
}
}
}
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