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Adding file watchers for UWP detecting when apps are installed or deleted and reindexing the uwp apps

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This commit is contained in:
ryanbodrug-microsoft
2020-04-26 07:39:03 -07:00
parent eaf05aa31a
commit 3753ecd8e5
1 changed files with 60 additions and 2 deletions
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62
src/modules/launcher/Plugins/Wox.Plugin.Program/Main.cs
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@@ -1,8 +1,11 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security.Permissions;
using System.Threading.Tasks;
using System.Timers;
using System.Windows.Controls;
using Wox.Infrastructure.Logger;
using Wox.Infrastructure.Storage;
@@ -19,6 +22,9 @@ namespace Wox.Plugin.Program
internal static UWP.Application[] _uwps { get; set; }
internal static Settings _settings { get; set; }
FileSystemWatcher _watcher = null;
System.Timers.Timer _timer = null;
private static bool IsStartupIndexProgramsRequired => _settings.LastIndexTime.AddDays(3) < DateTime.Today;
private static PluginInitContext _context;
@@ -57,6 +63,9 @@ namespace Wox.Plugin.Program
Task.WaitAll(a, b);
_settings.LastIndexTime = DateTime.Today;
InitializeFileWatchers();
InitializeTimer();
}
public void Save()
@@ -72,8 +81,8 @@ namespace Wox.Plugin.Program
UWP.Application[] uwps;
lock (IndexLock)
{
// just take the reference inside the lock to eliminate query time issues.
{
// just take the reference inside the lock to eliminate query time issues.
win32 = _win32s;
uwps = _uwps;
}
@@ -171,5 +180,54 @@ namespace Wox.Plugin.Program
{
IndexPrograms();
}
void InitializeFileWatchers()
{
// Create a new FileSystemWatcher and set its properties.
_watcher = new FileSystemWatcher();
var resolvedPath = Environment.ExpandEnvironmentVariables("%ProgramFiles%");
_watcher.Path = resolvedPath;
//Filter to create and deletes of 'microsoft.system.package.metadata' directories.
_watcher.NotifyFilter = NotifyFilters.DirectoryName;
_watcher.IncludeSubdirectories = true;
_watcher.Filter = "microsoft.system.package.metadata";
// Add event handlers.
_watcher.Created += OnChanged;
_watcher.Deleted += OnChanged;
// Begin watching.
_watcher.EnableRaisingEvents = true;
}
void InitializeTimer()
{
//multiple file writes occur on install / unistall. Adding a delay before actually indexing.
var delayInterval = 5000;
_timer = new System.Timers.Timer(delayInterval);
_timer.Enabled = true;
_timer.AutoReset = false;
_timer.Elapsed += FileWatchElapsedTimer;
_timer.Stop();
}
//When a watched directory changes then reset the timer.
private void OnChanged(object source, FileSystemEventArgs e)
{
Log.Debug($"|Wox.Plugin.Program.Main|Directory Changed: {e.FullPath} {e.ChangeType} - Resetting timer.");
_timer.Stop();
_timer.Start();
}
private void FileWatchElapsedTimer(object sender, ElapsedEventArgs e)
{
Task.Run(() =>
{
Log.Debug($"|Wox.Plugin.Program.Main| ReIndexing UWP Programs");
IndexUWPPrograms();
Log.Debug($"|Wox.Plugin.Program.Main| Done ReIndexing");
});
}
}
}