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TypeAgent/dotnet/autoShell/Handlers

dotnet/autoShell/Handlers/AppActionHandler.cs

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