Merged QuickLook.Common from submodule

https://github.com/QL-Win/QuickLook.Common/commit/529d07b56577b88329481cdac8f2a6a175b6c21a
2026-05-08 03:06:29 +08:00 · 2026-03-25 02:03:45 +08:00
parent 830911b878
commit 24979aa40f
33 changed files with 5467 additions and 0 deletions
@@ -0,0 +1,89 @@
+// Copyright © 2017-2026 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.NativeMethods;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace QuickLook.Common.Helpers;
+
+public static class ProcessHelper
+{
+    private const int ErrorInsufficientBuffer = 0x7A;
+
+    public static void PerformAggressiveGC()
+    {
+        // delay some time to make sure that all windows are closed
+        Task.Delay(2000).ContinueWith(t => GC.Collect(GC.MaxGeneration));
+    }
+
+    public static bool IsRunningAsUWP()
+    {
+        if (Environment.OSVersion.Version < new Version(6, 2)) // Windows 8
+            return false;
+
+        try
+        {
+            uint len = 0;
+            var r = Kernel32.GetCurrentPackageFullName(ref len, null);
+
+            return r == ErrorInsufficientBuffer;
+        }
+        catch (EntryPointNotFoundException)
+        {
+            return false;
+        }
+    }
+
+    public static bool IsOnWindows10S()
+    {
+        const uint PRODUCT_CLOUD = 0x000000B2; // Windows 10 S
+        const uint PRODUCT_CLOUDN = 0x000000B3; // Windows 10 S N
+
+        Kernel32.GetProductInfo(Environment.OSVersion.Version.Major,
+            Environment.OSVersion.Version.Minor, 0, 0, out var osType);
+
+        return osType == PRODUCT_CLOUD || osType == PRODUCT_CLOUDN;
+    }
+
+    public static bool IsShuttingDown()
+    {
+        var isShuttingDownProperty =
+            typeof(Application).GetProperty("IsShuttingDown", BindingFlags.NonPublic | BindingFlags.Static);
+        if (isShuttingDownProperty == null)
+            throw new Exception("Unable to detect Application.IsShuttingDown.");
+        return (bool)isShuttingDownProperty.GetValue(Application.Current);
+    }
+
+    public static void WriteLog(string msg)
+    {
+        Debug.WriteLine(msg);
+
+        var logFilePath = Path.Combine(SettingHelper.LocalDataPath, @"QuickLook.Exception.log");
+
+        using var writer = new StreamWriter(new FileStream(logFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read));
+        writer.BaseStream.Seek(0, SeekOrigin.End);
+
+        writer.WriteLine($"========{DateTime.Now}========");
+        writer.WriteLine(msg);
+        writer.WriteLine();
+    }
+}