1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System;
 6  using System.ComponentModel;
 7  using System.Linq;
 8  using System.Threading.Tasks;
 9  using System.Windows.Input;
10  using ManagedCommon;
11  using Windows.Management.Deployment;
12  using Windows.System;
13  
14  namespace Microsoft.PowerToys.Settings.UI.Helpers
15  {
16      /// <summary>
17      /// Helper class to manage installation status and installation command for a Microsoft Store extension.
18      /// </summary>
19      public class StoreExtensionHelper : INotifyPropertyChanged
20      {
21          private readonly string _packageFamilyName;
22          private readonly string _storeUri;
23          private readonly string _extensionName;
24          private bool? _isInstalled;
25  
26          public event PropertyChangedEventHandler PropertyChanged;
27  
28          public StoreExtensionHelper(string packageFamilyName, string storeUri, string extensionName)
29          {
30              _packageFamilyName = packageFamilyName ?? throw new ArgumentNullException(nameof(packageFamilyName));
31              _storeUri = storeUri ?? throw new ArgumentNullException(nameof(storeUri));
32              _extensionName = extensionName ?? throw new ArgumentNullException(nameof(extensionName));
33              InstallCommand = new AsyncCommand(InstallExtensionAsync);
34          }
35  
36          /// <summary>
37          /// Gets a value indicating whether the extension is installed.
38          /// </summary>
39          public bool IsInstalled
40          {
41              get
42              {
43                  if (!_isInstalled.HasValue)
44                  {
45                      _isInstalled = CheckExtensionInstalled();
46                  }
47  
48                  return _isInstalled.Value;
49              }
50          }
51  
52          /// <summary>
53          /// Gets the command to install the extension.
54          /// </summary>
55          public ICommand InstallCommand { get; }
56  
57          /// <summary>
58          /// Refreshes the installation status of the extension.
59          /// </summary>
60          public void RefreshStatus()
61          {
62              _isInstalled = null;
63              OnPropertyChanged(nameof(IsInstalled));
64          }
65  
66          private bool CheckExtensionInstalled()
67          {
68              try
69              {
70                  var packageManager = new PackageManager();
71                  var packages = packageManager.FindPackagesForUser(string.Empty, _packageFamilyName);
72                  return packages.Any();
73              }
74              catch (Exception ex)
75              {
76                  Logger.LogError($"Failed to check extension installation status: {_packageFamilyName}", ex);
77                  return false;
78              }
79          }
80  
81          private async Task InstallExtensionAsync()
82          {
83              try
84              {
85                  await Launcher.LaunchUriAsync(new Uri(_storeUri));
86              }
87              catch (Exception ex)
88              {
89                  Logger.LogError($"Failed to open {_extensionName} extension store page", ex);
90              }
91          }
92  
93          protected virtual void OnPropertyChanged(string propertyName)
94          {
95              PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
96          }
97      }
98  }