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TypeAgent/dotnet/autoShell/Handlers

dotnet/autoShell/Handlers/AppCommandHandler.cs

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1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4using System;
5using System.Collections.Generic;
6using System.Diagnostics;
7using autoShell.Logging;
8using autoShell.Services;
9using Newtonsoft.Json;
10using Newtonsoft.Json.Linq;
11
12namespace autoShell.Handlers;
13
14/// <summary>
15/// Handles application lifecycle commands: CloseProgram, LaunchProgram, and ListAppNames.
16/// </summary>
17internal class AppCommandHandler : ICommandHandler
18{
19 private readonly IAppRegistry _appRegistry;
20 private readonly IProcessService _processService;
21 private readonly IWindowService _window;
22 private readonly ILogger _logger;
23
24 public AppCommandHandler(IAppRegistry appRegistry, IProcessService processService, IWindowService window, ILogger logger)
25 {
26 _appRegistry = appRegistry;
27 _processService = processService;
28 _window = window;
29 _logger = logger;
30 }
31
32 /// <inheritdoc/>
33 public IEnumerable<string> SupportedCommands { get; } =
34 [
35 "CloseProgram",
36 "LaunchProgram",
37 "ListAppNames",
38 ];
39
40 /// <inheritdoc/>
41 public void Handle(string key, string value, JToken rawValue)
42 {
43 switch (key)
44 {
45 case "CloseProgram":
46 CloseApplication(value);
47 break;
48
49 case "LaunchProgram":
50 OpenApplication(value);
51 break;
52
53 case "ListAppNames":
54 Console.WriteLine(JsonConvert.SerializeObject(_appRegistry.GetAllAppNames()));
55 break;
56 }
57 }
58
59 private void CloseApplication(string friendlyName)
60 {
61 string processName = _appRegistry.ResolveProcessName(friendlyName);
62 Process[] processes = _processService.GetProcessesByName(processName);
63 if (processes.Length != 0)
64 {
65 _logger.Debug("Closing " + friendlyName);
66 foreach (Process p in processes)
67 {
68 if (p.MainWindowHandle != IntPtr.Zero)
69 {
70 p.CloseMainWindow();
71 }
72 }
73 }
74 }
75
76 private void OpenApplication(string friendlyName)
77 {
78 string processName = _appRegistry.ResolveProcessName(friendlyName);
79 Process[] processes = _processService.GetProcessesByName(processName);
80
81 if (processes.Length == 0)
82 {
83 _logger.Debug("Starting " + friendlyName);
84 string path = _appRegistry.GetExecutablePath(friendlyName);
85 if (path != null)
86 {
87 var psi = new ProcessStartInfo
88 {
89 FileName = path,
90 UseShellExecute = true
91 };
92
93 string workDirEnvVar = _appRegistry.GetWorkingDirectoryEnvVar(friendlyName);
94 if (workDirEnvVar != null)
95 {
96 psi.WorkingDirectory = Environment.ExpandEnvironmentVariables("%" + workDirEnvVar + "%");
97 }
98
99 string arguments = _appRegistry.GetArguments(friendlyName);
100 if (arguments != null)
101 {
102 psi.Arguments = arguments;
103 }
104
105 try
106 {
107 _processService.Start(psi);
108 }
109 catch (System.ComponentModel.Win32Exception)
110 {
111 psi.FileName = friendlyName;
112 _processService.Start(psi);
113 }
114 }
115 else
116 {
117 string appModelUserId = _appRegistry.GetAppUserModelId(friendlyName);
118 if (appModelUserId != null)
119 {
120 try
121 {
122 _processService.Start(new ProcessStartInfo("explorer.exe", @" shell:appsFolder\" + appModelUserId));
123 }
124 catch (Exception ex) { _logger.Debug($"Failed to launch UWP app: {ex.Message}"); }
125 }
126 }
127 }
128 else
129 {
130 _logger.Debug("Raising " + friendlyName);
131 string processName2 = _appRegistry.ResolveProcessName(friendlyName);
132 string path2 = _appRegistry.GetExecutablePath(friendlyName);
133 _window.RaiseWindow(processName2, path2);
134 }
135 }
136}
137