Merge pull request #335 from QL-Win/plugin-installer

Plugin installer

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "QuickLook.Common"]
+	path = QuickLook.Common
+	url = git@github.com:QL-Win/QuickLook.Common.git

QuickLook.Common/ExtensionMethods/BitmapExtensions.cs

@@ -1,152 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.IO;
-using System.Threading.Tasks;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using PixelFormat = System.Windows.Media.PixelFormat;
-
-namespace QuickLook.Common.ExtensionMethods
-{
-    public static class BitmapExtensions
-    {
-        public static BitmapSource ToBitmapSource(this Bitmap source)
-        {
-            var orgSource = source;
-            BitmapSource bs = null;
-            try
-            {
-                var data = source.LockBits(new Rectangle(0, 0, source.Width, source.Height),
-                    ImageLockMode.ReadOnly, source.PixelFormat);
-
-                // BitmapSource.Create throws an exception when the image is scanned backward.
-                // The Clone() will make it back scanning forward.
-                if (data.Stride < 0)
-                {
-                    source.UnlockBits(data);
-                    source = (Bitmap) source.Clone();
-                    data = source.LockBits(new Rectangle(0, 0, source.Width, source.Height),
-                        ImageLockMode.ReadOnly, source.PixelFormat);
-                }
-
-                bs = BitmapSource.Create(source.Width, source.Height, Math.Floor(source.HorizontalResolution),
-                    Math.Floor(source.VerticalResolution), ConvertPixelFormat(source.PixelFormat), null,
-                    data.Scan0, data.Stride * source.Height, data.Stride);
-
-                source.UnlockBits(data);
-
-                bs.Freeze();
-            }
-            catch
-            {
-                // ignored
-            }
-            finally
-            {
-                if (orgSource != source)
-                    source.Dispose();
-            }
-
-            return bs;
-        }
-
-        public static Bitmap ToBitmap(this BitmapSource source)
-        {
-            using (var outStream = new MemoryStream())
-            {
-                BitmapEncoder enc = new BmpBitmapEncoder();
-                enc.Frames.Add(BitmapFrame.Create(source));
-                enc.Save(outStream);
-                var bitmap = new Bitmap(outStream);
-
-                return new Bitmap(bitmap);
-            }
-        }
-
-        private static PixelFormat ConvertPixelFormat(
-            System.Drawing.Imaging.PixelFormat sourceFormat)
-        {
-            switch (sourceFormat)
-            {
-                case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
-                    return PixelFormats.Bgr24;
-
-                case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
-                    return PixelFormats.Bgra32;
-
-                case System.Drawing.Imaging.PixelFormat.Format32bppRgb:
-                    return PixelFormats.Bgr32;
-            }
-
-            return new PixelFormat();
-        }
-
-        public static bool IsDarkImage(this Bitmap image)
-        {
-            // convert to 24-bit RGB image
-            image = image.Clone(new Rectangle(0, 0, image.Width, image.Height),
-                System.Drawing.Imaging.PixelFormat.Format24bppRgb);
-
-            var sampleCount = (int) (0.2 * 400 * 400);
-            const int pixelSize = 24 / 8;
-            var data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height),
-                ImageLockMode.ReadWrite, image.PixelFormat);
-
-            var darks = 0;
-            unsafe
-            {
-                var pFirst = (byte*) data.Scan0;
-
-                Parallel.For(0, sampleCount, n =>
-                {
-                    var rand = new Random(n);
-                    var row = rand.Next(0, data.Height);
-                    var col = rand.Next(0, data.Width);
-                    var pos = pFirst + row * data.Stride + col * pixelSize;
-
-                    var b = pos[0];
-                    var g = pos[1];
-                    var r = pos[2];
-
-                    var y = (0.299 * r + 0.587 * g + 0.114 * b) / 255;
-
-                    if (y < 0.5)
-                        darks++;
-                });
-            }
-
-            image.UnlockBits(data);
-            image.Dispose();
-
-            return darks > 0.65 * sampleCount;
-        }
-
-        public static BitmapImage LoadBitmapImage(this Uri source)
-        {
-            var bitmap = new BitmapImage();
-            bitmap.BeginInit();
-            bitmap.CacheOption = BitmapCacheOption.OnLoad;
-            bitmap.UriSource = source;
-            bitmap.EndInit();
-            return bitmap;
-        }
-    }
-}

QuickLook.Common/ExtensionMethods/DispatcherExtensions.cs

@@ -1,47 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Threading.Tasks;
-using System.Windows.Threading;
-
-namespace QuickLook.Common.ExtensionMethods
-{
-    public static class DispatcherExtensions
-    {
-        public static void Delay(this Dispatcher disp, int delayMs,
-            Action<object> action, object parm = null)
-        {
-            Task.Delay(delayMs).ContinueWith(t => { disp.Invoke(action, parm); });
-        }
-
-        public static void DelayWithPriority(this Dispatcher disp, int delayMs,
-            Action<object> action, object parm = null,
-            DispatcherPriority priority = DispatcherPriority.ApplicationIdle)
-        {
-            Task.Delay(delayMs).ContinueWith(t => { disp.BeginInvoke(action, priority, parm); });
-        }
-
-        public static async Task DelayAsync(this Dispatcher disp, int delayMs,
-            Action<object> action, object parm = null,
-            DispatcherPriority priority = DispatcherPriority.ApplicationIdle)
-        {
-            await Task.Delay(delayMs);
-            await disp.BeginInvoke(action, priority, parm);
-        }
-    }
-}

QuickLook.Common/ExtensionMethods/EnumerableExtensions.cs

@@ -1,31 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Collections.Generic;
-
-namespace QuickLook.Common.ExtensionMethods
-{
-    public static class EnumerableExtensions
-    {
-        public static void ForEach<T>(this IEnumerable<T> enumeration, Action<T> action)
-        {
-            foreach (var item in enumeration)
-                action(item);
-        }
-    }
-}

QuickLook.Common/ExtensionMethods/FileExtensions.cs

@@ -1,48 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-
-namespace QuickLook.Common.ExtensionMethods
-{
-    public static class FileExtensions
-    {
-        public static string ToPrettySize(this long value, int decimalPlaces = 0)
-        {
-            const long OneKb = 1024;
-            const long OneMb = OneKb * 1024;
-            const long OneGb = OneMb * 1024;
-            const long OneTb = OneGb * 1024;
-
-            var asTb = Math.Round((double) value / OneTb, decimalPlaces);
-            var asGb = Math.Round((double) value / OneGb, decimalPlaces);
-            var asMb = Math.Round((double) value / OneMb, decimalPlaces);
-            var asKb = Math.Round((double) value / OneKb, decimalPlaces);
-            var chosenValue = asTb > 1
-                ? $"{asTb} TB"
-                : asGb > 1
-                    ? $"{asGb} GB"
-                    : asMb > 1
-                        ? $"{asMb} MB"
-                        : asKb > 1
-                            ? $"{asKb} KB"
-                            : $"{Math.Round((double) value, decimalPlaces)} bytes";
-
-            return chosenValue;
-        }
-    }
-}

QuickLook.Common/ExtensionMethods/TypeExtensions.cs

@@ -1,29 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-
-namespace QuickLook.Common.ExtensionMethods
-{
-    public static class TypeExtensions
-    {
-        public static T CreateInstance<T>(this Type t, params object[] paramArray)
-        {
-            return (T)Activator.CreateInstance(t, paramArray);
-        }
-    }
-}

QuickLook.Common/Helpers/DpiHelper.cs

@@ -1,60 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Drawing;
-using System.Runtime.InteropServices;
-
-namespace QuickLook.Common.Helpers
-{
-    public static class DpiHelper
-    {
-        public const float DefaultDpi = 96;
-
-        public static ScaleFactor GetCurrentScaleFactor()
-        {
-            var g = Graphics.FromHwnd(IntPtr.Zero);
-            var desktop = g.GetHdc();
-
-            var horizontalDpi = GetDeviceCaps(desktop, (int) DeviceCap.LOGPIXELSX);
-            var verticalDpi = GetDeviceCaps(desktop, (int) DeviceCap.LOGPIXELSY);
-
-            return new ScaleFactor {Horizontal = horizontalDpi / DefaultDpi, Vertical = verticalDpi / DefaultDpi};
-        }
-
-        [DllImport("gdi32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]
-        private static extern int GetDeviceCaps(IntPtr hDC, int nIndex);
-
-        private enum DeviceCap
-        {
-            /// <summary>
-            ///     Logical pixels inch in X
-            /// </summary>
-            LOGPIXELSX = 88,
-            /// <summary>
-            ///     Logical pixels inch in Y
-            /// </summary>
-            LOGPIXELSY = 90
-        }
-
-        public struct ScaleFactor
-        {
-            public float Horizontal;
-            public float Vertical;
-        }
-    }
-}

QuickLook.Common/Helpers/FileHelper.cs

@@ -1,134 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.Text;
-
-namespace QuickLook.Common.Helpers
-{
-    public class FileHelper
-    {
-        public static bool IsExecutable(string path, out string appFriendlyName)
-        {
-            appFriendlyName = string.Empty;
-            var ext = Path.GetExtension(path).ToLower();
-            var isExe = new[] {".cmd", ".bat", ".pif", ".scf", ".exe", ".com", ".scr"}.Contains(ext.ToLower());
-
-            if (!isExe)
-                return false;
-
-            appFriendlyName = FileVersionInfo.GetVersionInfo(path).FileDescription;
-            if (string.IsNullOrEmpty(appFriendlyName))
-                appFriendlyName = Path.GetFileName(path);
-
-            return true;
-        }
-
-        public static bool GetAssocApplication(string path, out string appFriendlyName)
-        {
-            appFriendlyName = string.Empty;
-            var ext = Path.GetExtension(path).ToLower();
-
-            // no assoc. app. found
-            if (string.IsNullOrEmpty(GetAssocApplicationNative(ext, AssocStr.Command)))
-                if (string.IsNullOrEmpty(GetAssocApplicationNative(ext, AssocStr.AppId))) // UWP
-                    return false;
-
-            appFriendlyName = GetAssocApplicationNative(ext, AssocStr.FriendlyAppName);
-            if (string.IsNullOrEmpty(appFriendlyName))
-                appFriendlyName = Path.GetFileName(path);
-
-            return true;
-        }
-
-        [DllImport("shlwapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        private static extern uint AssocQueryString(AssocF flags, AssocStr str, string pszAssoc, string pszExtra,
-            [Out] StringBuilder sOut, [In] [Out] ref uint nOut);
-
-        private static string GetAssocApplicationNative(string fileExtensionIncludingDot, AssocStr str)
-        {
-            uint cOut = 0;
-            if (AssocQueryString(AssocF.Verify | AssocF.RemapRunDll | AssocF.InitIgnoreUnknown, str,
-                    fileExtensionIncludingDot, null, null,
-                    ref cOut) != 1)
-                return null;
-
-            var pOut = new StringBuilder((int) cOut);
-            if (AssocQueryString(AssocF.Verify | AssocF.RemapRunDll | AssocF.InitIgnoreUnknown, str,
-                    fileExtensionIncludingDot, null, pOut,
-                    ref cOut) != 0)
-                return null;
-
-            return pOut.ToString();
-        }
-
-        [SuppressMessage("ReSharper", "InconsistentNaming")]
-        [Flags]
-        private enum AssocF
-        {
-            InitNoRemapCLSID = 0x1,
-            InitByExeName = 0x2,
-            OpenByExeName = 0x2,
-            InitDefaultToStar = 0x4,
-            InitDefaultToFolder = 0x8,
-            NoUserSettings = 0x10,
-            NoTruncate = 0x20,
-            Verify = 0x40,
-            RemapRunDll = 0x80,
-            NoFixUps = 0x100,
-            IgnoreBaseClass = 0x200,
-            InitIgnoreUnknown = 0x400,
-            InitFixedProgid = 0x800,
-            IsProtocol = 0x1000,
-            InitForFile = 0x2000
-        }
-
-        //[SuppressMessage("ReSharper", "InconsistentNaming")]
-        private enum AssocStr
-        {
-            Command = 1,
-            Executable,
-            FriendlyDocName,
-            FriendlyAppName,
-            NoOpen,
-            ShellNewValue,
-            DdeCommand,
-            DdeIfExec,
-            DdeApplication,
-            DdeTopic,
-            InfoTip,
-            QuickTip,
-            TileInfo,
-            ContentType,
-            DefaultIcon,
-            ShellExtension,
-            DropTarget,
-            DelegateExecute,
-            SupportedUriProtocols,
-            ProgId,
-            AppId,
-            AppPublisher,
-            AppIconReference,
-            Max
-        }
-    }
-}

QuickLook.Common/Helpers/ProcessHelper.cs

@@ -1,79 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Threading.Tasks;
-using QuickLook.Common.NativeMethods;
-
-namespace QuickLook.Common.Helpers
-{
-    public class ProcessHelper
-    {
-        private const int ErrorInsufficientBuffer = 0x7A;
-
-        // ReSharper disable once InconsistentNaming
-        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()
-        {
-            try
-            {
-                uint len = 0;
-                var r = Kernel32.GetCurrentPackageFullName(ref len, null);
-
-                return r == ErrorInsufficientBuffer;
-            }
-            catch (EntryPointNotFoundException)
-            {
-                return false;
-            }
-        }
-
-        [SuppressMessage("ReSharper", "InconsistentNaming")]
-        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 void WriteLog(string 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();
-            }
-        }
-    }
-}

QuickLook.Common/Helpers/SettingHelper.cs

@@ -1,140 +0,0 @@
-// Copyright © 2018 Paddy Xu
-// 
-// 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 System;
-using System.Collections.Generic;
-using System.IO;
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.Serialization;
-using System.Xml;
-
-namespace QuickLook.Common.Helpers
-{
-    public class SettingHelper
-    {
-        public static readonly string LocalDataPath =
-            Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), @"pooi.moe\QuickLook\");
-
-        private static readonly Dictionary<string, XmlDocument> FileCache = new Dictionary<string, XmlDocument>();
-
-        [MethodImpl(MethodImplOptions.NoInlining)]
-        public static T Get<T>(string id, T failsafe = default(T), Assembly calling = null)
-        {
-            if (!typeof(T).IsSerializable && !typeof(ISerializable).IsAssignableFrom(typeof(T)))
-                throw new InvalidOperationException("A serializable Type is required");
-
-            var file = Path.Combine(LocalDataPath,
-                (calling ?? Assembly.GetCallingAssembly()).GetName().Name + ".config");
-
-            var doc = GetConfigFile(file);
-
-            // try to get setting
-            var s = GetSettingFromXml(doc, id, failsafe);
-
-            return s != null ? s : failsafe;
-        }
-
-        [MethodImpl(MethodImplOptions.NoInlining)]
-        public static void Set(string id, object value, Assembly calling = null)
-        {
-            if (!value.GetType().IsSerializable)
-                throw new NotSupportedException("New value if not serializable.");
-
-            var file = Path.Combine(LocalDataPath,
-                (calling ?? Assembly.GetCallingAssembly()).GetName().Name + ".config");
-
-            WriteSettingToXml(GetConfigFile(file), id, value);
-        }
-
-        private static T GetSettingFromXml<T>(XmlDocument doc, string id, T failsafe)
-        {
-            var v = doc.SelectSingleNode($@"/Settings/{id}");
-
-            try
-            {
-                var result = v == null ? failsafe : (T) Convert.ChangeType(v.InnerText, typeof(T));
-                return result;
-            }
-            catch (Exception)
-            {
-                return failsafe;
-            }
-        }
-
-        private static void WriteSettingToXml(XmlDocument doc, string id, object value)
-        {
-            var v = doc.SelectSingleNode($@"/Settings/{id}");
-
-            if (v != null)
-            {
-                v.InnerText = value.ToString();
-            }
-            else
-            {
-                var node = doc.CreateNode(XmlNodeType.Element, id, doc.NamespaceURI);
-                node.InnerText = value.ToString();
-                doc.SelectSingleNode(@"/Settings")?.AppendChild(node);
-            }
-
-            doc.Save(new Uri(doc.BaseURI).LocalPath);
-        }
-
-        private static XmlDocument GetConfigFile(string file)
-        {
-            if (FileCache.ContainsKey(file))
-                return FileCache[file];
-
-            Directory.CreateDirectory(Path.GetDirectoryName(file));
-            if (!File.Exists(file))
-                CreateNewConfig(file);
-
-            var doc = new XmlDocument();
-            try
-            {
-                doc.Load(file);
-            }
-            catch (XmlException)
-            {
-                CreateNewConfig(file);
-                doc.Load(file);
-            }
-
-            if (doc.SelectSingleNode(@"/Settings") == null)
-            {
-                CreateNewConfig(file);
-                doc.Load(file);
-            }
-
-            FileCache.Add(file, doc);
-            return doc;
-        }
-
-        private static void CreateNewConfig(string file)
-        {
-            using (var writer = XmlWriter.Create(file))
-            {
-                writer.WriteStartDocument();
-                writer.WriteStartElement("Settings");
-                writer.WriteEndElement();
-                writer.WriteEndDocument();
-
-                writer.Flush();
-            }
-        }
-    }
-}

QuickLook.Common/Helpers/TranslationHelper.cs

@@ -1,86 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Xml.XPath;
-
-namespace QuickLook.Common.Helpers
-{
-    public class TranslationHelper
-    {
-        private static readonly CultureInfo CurrentCultureInfo = CultureInfo.CurrentUICulture;
-        //private static readonly CultureInfo CurrentCultureInfo = CultureInfo.GetCultureInfo("zh-CN");
-
-        private static readonly Dictionary<string, XPathNavigator> FileCache = new Dictionary<string, XPathNavigator>();
-
-        [MethodImpl(MethodImplOptions.NoInlining)]
-        public static string Get(string id, string file = null, CultureInfo locale = null, string failsafe = null,
-            Assembly calling = null)
-        {
-            if (file == null)
-                file = Path.Combine(Path.GetDirectoryName((calling ?? Assembly.GetCallingAssembly()).Location),
-                    "Translations.config");
-
-            if (!File.Exists(file))
-                return failsafe ?? id;
-
-            if (locale == null)
-                locale = CurrentCultureInfo;
-
-            var nav = GetLangFile(file);
-
-            // try to get string
-            var s = GetStringFromXml(nav, id, locale);
-            if (s != null)
-                return s;
-
-            // try again for parent language
-            if (locale.Parent.Name != string.Empty)
-                s = GetStringFromXml(nav, id, locale.Parent);
-            if (s != null)
-                return s;
-
-            // use fallback language
-            s = GetStringFromXml(nav, id, CultureInfo.GetCultureInfo("en"));
-            if (s != null)
-                return s;
-
-            return failsafe ?? id;
-        }
-
-        private static string GetStringFromXml(XPathNavigator nav, string id, CultureInfo locale)
-        {
-            var result = nav.SelectSingleNode($@"/Translations/{locale.Name}/{id}");
-
-            return result?.Value;
-        }
-
-        private static XPathNavigator GetLangFile(string file)
-        {
-            if (FileCache.ContainsKey(file))
-                return FileCache[file];
-
-            var res = new XPathDocument(file).CreateNavigator();
-            FileCache.Add(file, res);
-            return res;
-        }
-    }
-}

QuickLook.Common/Helpers/WindowHelper.cs

@@ -1,159 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-using System.Windows;
-using System.Windows.Forms;
-using System.Windows.Interop;
-using System.Windows.Media;
-using QuickLook.Common.NativeMethods;
-
-namespace QuickLook.Common.Helpers
-{
-    public static class WindowHelper
-    {
-        public enum WindowCompositionAttribute
-        {
-            WcaAccentPolicy = 19
-        }
-
-        public static Rect GetCurrentWindowRect()
-        {
-            var screen = Screen.FromPoint(Cursor.Position).WorkingArea;
-            var scale = DpiHelper.GetCurrentScaleFactor();
-            return new Rect(
-                new Point(screen.X / scale.Horizontal, screen.Y / scale.Vertical),
-                new Size(screen.Width / scale.Horizontal, screen.Height / scale.Vertical));
-        }
-
-        public static void BringToFront(this Window window, bool keep)
-        {
-            var handle = new WindowInteropHelper(window).Handle;
-            User32.SetWindowPos(handle, User32.HWND_TOPMOST, 0, 0, 0, 0,
-                User32.SWP_NOMOVE | User32.SWP_NOSIZE | User32.SWP_NOACTIVATE);
-
-            if (!keep)
-                User32.SetWindowPos(handle, User32.HWND_NOTOPMOST, 0, 0, 0, 0,
-                    User32.SWP_NOMOVE | User32.SWP_NOSIZE | User32.SWP_NOACTIVATE);
-        }
-
-        public static void MoveWindow(this Window window,
-            double left,
-            double top,
-            double width,
-            double height)
-        {
-            int pxLeft = 0, pxTop = 0;
-            if (left != 0 || top != 0)
-                TransformToPixels(window, left, top,
-                    out pxLeft, out pxTop);
-
-            TransformToPixels(window, width, height,
-                out var pxWidth, out var pxHeight);
-
-            User32.MoveWindow(new WindowInteropHelper(window).Handle, pxLeft, pxTop, pxWidth, pxHeight, true);
-        }
-
-        private static void TransformToPixels(this Visual visual,
-            double unitX,
-            double unitY,
-            out int pixelX,
-            out int pixelY)
-        {
-            Matrix matrix;
-            var source = PresentationSource.FromVisual(visual);
-            if (source != null)
-                matrix = source.CompositionTarget.TransformToDevice;
-            else
-                using (var src = new HwndSource(new HwndSourceParameters()))
-                {
-                    matrix = src.CompositionTarget.TransformToDevice;
-                }
-
-            pixelX = (int) Math.Round(matrix.M11 * unitX);
-            pixelY = (int) Math.Round(matrix.M22 * unitY);
-        }
-
-        public static bool IsForegroundWindowBelongToSelf()
-        {
-            var hwnd = User32.GetForegroundWindow();
-            if (hwnd == IntPtr.Zero)
-                return false;
-
-            User32.GetWindowThreadProcessId(hwnd, out var procId);
-            return procId == Process.GetCurrentProcess().Id;
-        }
-
-        public static void SetNoactivate(WindowInteropHelper window)
-        {
-            User32.SetWindowLong(window.Handle, User32.GWL_EXSTYLE,
-                User32.GetWindowLong(window.Handle, User32.GWL_EXSTYLE) |
-                User32.WS_EX_NOACTIVATE);
-        }
-
-        public static void EnableBlur(Window window)
-        {
-            var accent = new AccentPolicy();
-            var accentStructSize = Marshal.SizeOf(accent);
-            accent.AccentState = AccentState.AccentEnableBlurbehind;
-            accent.AccentFlags = 2;
-            accent.GradientColor = 0x99FFFFFF;
-
-            var accentPtr = Marshal.AllocHGlobal(accentStructSize);
-            Marshal.StructureToPtr(accent, accentPtr, false);
-
-            var data = new WindowCompositionAttributeData
-            {
-                Attribute = WindowCompositionAttribute.WcaAccentPolicy,
-                SizeOfData = accentStructSize,
-                Data = accentPtr
-            };
-
-            User32.SetWindowCompositionAttribute(new WindowInteropHelper(window).Handle, ref data);
-
-            Marshal.FreeHGlobal(accentPtr);
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        public struct WindowCompositionAttributeData
-        {
-            public WindowCompositionAttribute Attribute;
-            public IntPtr Data;
-            public int SizeOfData;
-        }
-
-        private enum AccentState
-        {
-            AccentDisabled = 0,
-            AccentEnableGradient = 1,
-            AccentEnableTransparentgradient = 2,
-            AccentEnableBlurbehind = 3,
-            AccentInvalidState = 4
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        private struct AccentPolicy
-        {
-            public AccentState AccentState;
-            public int AccentFlags;
-            public uint GradientColor;
-            public readonly int AnimationId;
-        }
-    }
-}

QuickLook.Common/NativeMethods/Kernel32.cs

@@ -1,40 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Runtime.InteropServices;
-using System.Text;
-
-namespace QuickLook.Common.NativeMethods
-{
-    public static class Kernel32
-    {
-        [DllImport("kernel32.dll")]
-        public static extern IntPtr LoadLibrary(string lpFileName);
-
-        [DllImport("kernel32.dll")]
-        public static extern int GetCurrentPackageFullName(ref uint packageFullNameLength,
-            [MarshalAs(UnmanagedType.LPWStr)] StringBuilder packageFullName);
-
-        [DllImport("kernel32.dll")]
-        public static extern IntPtr GetCurrentThreadId();
-
-        [DllImport("kernel32.dll")]
-        public static extern bool GetProductInfo(int dwOSMajorVersion, int dwOSMinorVersion, int dwSpMajorVersion,
-            int dwSpMinorVersion, out uint pdwReturnedProductType);
-    }
-}

QuickLook.Common/NativeMethods/User32.cs

@@ -1,120 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-using System.Text;
-using QuickLook.Common.Helpers;
-
-namespace QuickLook.Common.NativeMethods
-{
-    public static class User32
-    {
-        public delegate int KeyboardHookProc(int code, int wParam, ref KeyboardHookStruct lParam);
-
-        [DllImport("user32.dll")]
-        public static extern int MoveWindow(IntPtr hWnd, int x, int y, int nWidth, int nHeight,
-            [MarshalAs(UnmanagedType.Bool)] bool bRepaint);
-
-        [DllImport("user32.dll")]
-        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int x, int y, int cx, int cy,
-            uint uFlags);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr SetWindowsHookEx(int idHook, KeyboardHookProc callback, IntPtr hInstance,
-            uint threadId);
-
-        [DllImport("user32.dll")]
-        public static extern bool UnhookWindowsHookEx(IntPtr hInstance);
-
-        [DllImport("user32.dll")]
-        public static extern int CallNextHookEx(IntPtr idHook, int nCode, int wParam, ref KeyboardHookStruct lParam);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
-
-        [DllImport("user32.dll")]
-        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr GetForegroundWindow();
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, IntPtr processId);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, out uint processId);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr AttachThreadInput(IntPtr idAttach, IntPtr idAttachTo, bool fAttach);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr GetFocus();
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        public static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
-
-        [DllImport("user32.dll")]
-        public static extern IntPtr GetParent(IntPtr hWnd);
-
-        [DllImport("user32.dll")]
-        public static extern int SetWindowCompositionAttribute(IntPtr hwnd,
-            ref WindowHelper.WindowCompositionAttributeData data);
-
-        [SuppressMessage("ReSharper", "InconsistentNaming")]
-        public struct KeyboardHookStruct
-        {
-            public int vkCode;
-            public int scanCode;
-            public int flags;
-            public int time;
-            public int dwExtraInfo;
-        }
-
-        // ReSharper disable InconsistentNaming
-        public static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
-        public static readonly IntPtr HWND_NOTOPMOST = new IntPtr(-2);
-        public static readonly IntPtr HWND_TOP = new IntPtr(0);
-        public static readonly IntPtr HWND_BOTTOM = new IntPtr(1);
-
-        public const uint SWP_NOSIZE = 0x0001;
-        public const uint SWP_NOMOVE = 0x0002;
-        public const uint SWP_NOZORDER = 0x0004;
-        public const uint SWP_NOREDRAW = 0x0008;
-        public const uint SWP_NOACTIVATE = 0x0010;
-        public const uint SWP_DRAWFRAME = 0x0020;
-        public const uint SWP_FRAMECHANGED = 0x0020;
-        public const uint SWP_SHOWWINDOW = 0x0040;
-        public const uint SWP_HIDEWINDOW = 0x0080;
-        public const uint SWP_NOCOPYBITS = 0x0100;
-        public const uint SWP_NOOWNERZORDER = 0x0200;
-        public const uint SWP_NOREPOSITION = 0x0200;
-        public const uint SWP_NOSENDCHANGING = 0x0400;
-        public const uint SWP_DEFERERASE = 0x2000;
-        public const uint SWP_ASYNCWINDOWPOS = 0x4000;
-
-        public const int WH_KEYBOARD_LL = 13;
-        public const int WM_KEYDOWN = 0x100;
-        public const int WM_KEYUP = 0x101;
-        public const int WM_SYSKEYDOWN = 0x104;
-        public const int WM_SYSKEYUP = 0x105;
-        public const int GWL_EXSTYLE = -20;
-        public const int WS_EX_NOACTIVATE = 0x08000000;
-        // ReSharper restore InconsistentNaming
-    }
-}

QuickLook.Common/Plugin/ContextObject.cs

@@ -1,231 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.ComponentModel;
-using System.Runtime.CompilerServices;
-using System.Windows;
-using QuickLook.Common.Annotations;
-using QuickLook.Common.Helpers;
-
-namespace QuickLook.Common.Plugin
-{
-    /// <summary>
-    ///     A runtime object which allows interaction between this plugin and QuickLook.
-    /// </summary>
-    public class ContextObject : INotifyPropertyChanged
-    {
-        private bool _canResize = true;
-        private bool _fullWindowDragging;
-        private bool _isBusy;
-        private string _title = string.Empty;
-        private bool _titlebarAutoHide;
-        private bool _titlebarBlurVisibility;
-        private bool _titlebarColourVisibility = true;
-        private bool _titlebarOverlap;
-        private Themes _theme = Themes.None;
-        private object _viewerContent;
-
-        /// <summary>
-        ///     Get or set the title of Viewer window.
-        /// </summary>
-        public string Title
-        {
-            get => _title;
-            set
-            {
-                _title = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Get or set the viewer content control.
-        /// </summary>
-        public object ViewerContent
-        {
-            get => _viewerContent;
-            set
-            {
-                _viewerContent = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Show or hide the busy indicator icon.
-        /// </summary>
-        public bool IsBusy
-        {
-            get => _isBusy;
-            set
-            {
-                _isBusy = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Set the exact size you want.
-        /// </summary>
-        public Size PreferredSize { get; set; } = new Size {Width = 800, Height = 600};
-
-        /// <summary>
-        ///     Set whether user are allowed to resize the viewer window.
-        /// </summary>
-        public bool CanResize
-        {
-            get => _canResize;
-            set
-            {
-                _canResize = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Set whether the full viewer window can be used for mouse dragging.
-        /// </summary>
-        public bool FullWindowDragging
-        {
-            get => _fullWindowDragging;
-            set
-            {
-                _fullWindowDragging = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Set whether the viewer content is overlapped by the title bar
-        /// </summary>
-        public bool TitlebarOverlap
-        {
-            get => _titlebarOverlap;
-            set
-            {
-                _titlebarOverlap = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Set whether the title bar shows a blurred background
-        /// </summary>
-        public bool TitlebarBlurVisibility
-        {
-            get => _titlebarBlurVisibility;
-            set
-            {
-                if (value == _titlebarBlurVisibility) return;
-                _titlebarBlurVisibility = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Set whether the title bar shows a colour overlay
-        /// </summary>
-        public bool TitlebarColourVisibility
-        {
-            get => _titlebarColourVisibility;
-            set
-            {
-                if (value == _titlebarColourVisibility) return;
-                _titlebarColourVisibility = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Should the titlebar hides itself after a short period of inactivity?
-        /// </summary>
-        public bool TitlebarAutoHide
-        {
-            get => _titlebarAutoHide;
-            set
-            {
-                if (value == _titlebarAutoHide) return;
-                _titlebarAutoHide = value;
-                OnPropertyChanged();
-            }
-        }
-
-        /// <summary>
-        ///     Switch to dark theme?
-        /// </summary>
-        public Themes Theme
-        {
-            get => _theme;
-            set
-            {
-                _theme = value;
-                OnPropertyChanged();
-            }
-        }
-
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        /// <summary>
-        ///     Set the size of viewer window, scale or shrink to fit (to screen resolution).
-        ///     The window can take maximum (maxRatio*resolution) space.
-        /// </summary>
-        /// <param name="size">The desired size.</param>
-        /// <param name="maxRatio">The maximum percent (over screen resolution) it can take.</param>
-        public double SetPreferredSizeFit(Size size, double maxRatio)
-        {
-            if (maxRatio > 1)
-                maxRatio = 1;
-
-            var max = WindowHelper.GetCurrentWindowRect();
-
-            var widthRatio = max.Width * maxRatio / size.Width;
-            var heightRatio = max.Height * maxRatio / size.Height;
-
-            var ratio = Math.Min(widthRatio, heightRatio);
-            if (ratio > 1) ratio = 1;
-
-            PreferredSize = new Size {Width = size.Width * ratio, Height = size.Height * ratio};
-
-            return ratio;
-        }
-
-        public void Reset()
-        {
-            Title = string.Empty;
-            // set to False to prevent showing loading icon
-            IsBusy = false;
-            PreferredSize = new Size();
-            CanResize = true;
-            FullWindowDragging = false;
-
-            Theme = Themes.None;
-            TitlebarOverlap = false;
-            TitlebarAutoHide = false;
-            TitlebarBlurVisibility = false;
-            TitlebarColourVisibility = true;
-
-            ViewerContent = null;
-        }
-
-        [NotifyPropertyChangedInvocator]
-        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-        }
-    }
-}

QuickLook.Common/Plugin/IViewer.cs

@@ -1,62 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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/>.
-
-namespace QuickLook.Common.Plugin
-{
-    /// <summary>
-    ///     Interface implemented by every QuickLook.Plugin
-    /// </summary>
-    public interface IViewer
-    {
-        /// <summary>
-        ///     Set the priority of this plugin. A plugin with a higher priority may override one with lower priority.
-        ///     Set this to int.MaxValue for a maximum priority, int.MinValue for minimum.
-        /// </summary>
-        int Priority { get; }
-
-        /// <summary>
-        ///     Do ont-time job when application starts. You may extract nessessary resource here.
-        /// </summary>
-        void Init();
-
-        /// <summary>
-        ///     Determine whether this plugin can open this file. Please also check the file header, if applicable.
-        /// </summary>
-        /// <param name="path">The full path of the target file.</param>
-        bool CanHandle(string path);
-
-        /// <summary>
-        ///     Do some preparation stuff before the window is showing. Please not do any work that costs a lot of time.
-        /// </summary>
-        /// <param name="path">The full path of the target file.</param>
-        /// <param name="context">A runtime object which allows interaction between this plugin and QuickLook.</param>
-        void Prepare(string path, ContextObject context);
-
-        /// <summary>
-        ///     Start the loading process. During the process a busy indicator will be shown. Finish by setting context.IsBusy to
-        ///     false.
-        /// </summary>
-        /// <param name="path">The full path of the target file.</param>
-        /// <param name="context">A runtime object which allows interaction between this plugin and QuickLook.</param>
-        void View(string path, ContextObject context);
-
-        /// <summary>
-        ///     Release any unmanaged resource here.
-        /// </summary>
-        void Cleanup();
-    }
-}

QuickLook.Common/Plugin/Themes.cs

@@ -1,26 +0,0 @@
-// Copyright © 2018 Paddy Xu
-// 
-// 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/>.
-
-namespace QuickLook.Common.Plugin
-{
-    public enum Themes
-    {
-        None,
-        Dark,
-        Light
-    }
-}

QuickLook.Common/Properties/AssemblyInfo.cs

@@ -1,33 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("QuickLook.Common")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("QuickLook.Common")]
-[assembly: AssemblyCopyright("Copyright © Paddy Xu 2018")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible
-// to COM components.  If you need to access a type in this assembly from
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("85fdd6ba-871d-46c8-bd64-f6bb0cb5ea95")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]

QuickLook.Common/QuickLook.Common.csproj

@@ -1,83 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>QuickLook.Common</RootNamespace>
-    <AssemblyName>QuickLook.Common</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <TargetFrameworkProfile />
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>..\Build\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>..\Build\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="PresentationCore" />
-    <Reference Include="PresentationFramework" />
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xml" />
-    <Reference Include="WindowsBase" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\GitVersion.cs">
-      <Link>Properties\GitVersion.cs</Link>
-    </Compile>
-    <Compile Include="Plugin\ContextObject.cs" />
-    <Compile Include="Helpers\DpiHelper.cs" />
-    <Compile Include="ExtensionMethods\BitmapExtensions.cs" />
-    <Compile Include="ExtensionMethods\DispatcherExtensions.cs" />
-    <Compile Include="ExtensionMethods\EnumerableExtensions.cs" />
-    <Compile Include="ExtensionMethods\FileExtensions.cs" />
-    <Compile Include="ExtensionMethods\TypeExtensions.cs" />
-    <Compile Include="Helpers\FileHelper.cs" />
-    <Compile Include="Plugin\IViewer.cs" />
-    <Compile Include="NativeMethods\Kernel32.cs" />
-    <Compile Include="Helpers\ProcessHelper.cs" />
-    <Compile Include="Plugin\Themes.cs" />
-    <Compile Include="Properties\Annotations.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Helpers\SettingHelper.cs" />
-    <Compile Include="Helpers\TranslationHelper.cs" />
-    <Compile Include="NativeMethods\User32.cs" />
-    <Compile Include="Helpers\WindowHelper.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <Page Include="Styles\MainWindowStyles.Dark.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-    <Page Include="Styles\MainWindowStyles.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-    <Page Include="Styles\ScrollBarStyleDictionary.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>

QuickLook.Common/Styles/MainWindowStyles.Dark.xaml

@@ -1,15 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <SolidColorBrush x:Key="MainWindowBackground" Color="#CC292929" />
-    <SolidColorBrush x:Key="MainWindowBackgroundNoTransparent" Color="#FF292929" />
-    <SolidColorBrush x:Key="WindowTextForeground" Color="#FFEFEFEF" />
-    <SolidColorBrush x:Key="WindowTextForegroundAlternative" Color="#FFD4D4D4" />
-    <SolidColorBrush x:Key="CaptionTextHoverBorder" Color="#DDB9B9B9" />
-    <SolidColorBrush x:Key="CaptionButtonIconForeground" Color="#E5EFEFEF" />
-    <SolidColorBrush x:Key="CaptionButtonHoverBackground" Color="#22FFFFFF" />
-    <SolidColorBrush x:Key="CaptionButtonPressBackground" Color="#44FFFFFF" />
-    <SolidColorBrush x:Key="CaptionCloseButtonHoverForeground" Color="#E5EFEFEF" />
-    <SolidColorBrush x:Key="CaptionCloseButtonHoverBackground" Color="#FFE81123" />
-    <SolidColorBrush x:Key="CaptionCloseButtonPressBackground" Color="#FFB5394B" />
-    <SolidColorBrush x:Key="CaptionBackground" Color="#CC0E0E0E" />
-</ResourceDictionary>

QuickLook.Common/Styles/MainWindowStyles.xaml

@@ -1,93 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib">
-    <Thickness x:Key="MainWindowShadowMarginThickness">1</Thickness>
-    <Thickness x:Key="MainWindowResizeThickness">6</Thickness>
-    <system:Double x:Key="MainWindowCaptionHeight">32</system:Double>
-    <SolidColorBrush x:Key="MainWindowBackground" Color="#BBFAFAFA" />
-    <SolidColorBrush x:Key="MainWindowBackgroundNoTransparent" Color="#FFFAFAFA" />
-    <SolidColorBrush x:Key="WindowTextForeground" Color="#FF0E0E0E" />
-    <SolidColorBrush x:Key="WindowTextForegroundAlternative" Color="#FF626262" />
-    <SolidColorBrush x:Key="CaptionTextHoverBorder" Color="#FF3D3D3D" />
-    <SolidColorBrush x:Key="CaptionButtonIconForeground" Color="#E50E0E0E" />
-    <SolidColorBrush x:Key="CaptionButtonHoverBackground" Color="#44FFFFFF" />
-    <SolidColorBrush x:Key="CaptionButtonPressBackground" Color="#88FFFFFF" />
-    <SolidColorBrush x:Key="CaptionCloseButtonHoverForeground" Color="#E5EFEFEF" />
-    <SolidColorBrush x:Key="CaptionCloseButtonHoverBackground" Color="#FFE81123" />
-    <SolidColorBrush x:Key="CaptionCloseButtonPressBackground" Color="#FFB5394B" />
-    <SolidColorBrush x:Key="CaptionBackground" Color="#BBDADADA" />
-
-    <Style x:Key="CaptionButtonBaseStyle" TargetType="Button">
-        <Setter Property="Focusable" Value="False" />
-        <Setter Property="Cursor" Value="Hand" />
-        <Setter Property="Foreground" Value="{DynamicResource WindowTextForeground}" />
-        <Setter Property="VerticalAlignment" Value="Center" />
-        <Setter Property="HorizontalAlignment" Value="Center" />
-        <Setter Property="Background" Value="Transparent" />
-        <Setter Property="WindowChrome.IsHitTestVisibleInChrome" Value="True" />
-    </Style>
-
-    <Style x:Key="CaptionTextButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonBaseStyle}">
-        <Setter Property="BorderBrush" Value="Transparent" />
-        <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="Padding" Value="6,2,6,2" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="Button">
-                    <Border Background="{TemplateBinding Background}"
-                            BorderThickness="{TemplateBinding BorderThickness}"
-                            BorderBrush="{TemplateBinding BorderBrush}" Padding="{TemplateBinding Padding}">
-                        <ContentPresenter />
-                    </Border>
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-        <Style.Triggers>
-            <Trigger Property="IsMouseOver" Value="True">
-                <Setter Property="BorderBrush" Value="{DynamicResource CaptionTextHoverBorder}" />
-                <Setter Property="Background" Value="{DynamicResource CaptionButtonHoverBackground}" />
-            </Trigger>
-            <Trigger Property="IsPressed" Value="True">
-                <Setter Property="Background" Value="{DynamicResource CaptionButtonPressBackground}" />
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-
-    <Style x:Key="CaptionButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonBaseStyle}">
-        <Setter Property="Width" Value="45" />
-        <Setter Property="Height" Value="32" />
-        <Setter Property="FontSize" Value="13" />
-        <Setter Property="FontFamily" Value="{StaticResource SegoeMDL2}" />
-        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonIconForeground}" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type Button}">
-                    <Border Background="{TemplateBinding Background}" BorderThickness="0"
-                            Padding="{TemplateBinding Padding}">
-                        <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" />
-                    </Border>
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-        <Style.Triggers>
-            <Trigger Property="IsMouseOver" Value="True">
-                <Setter Property="Background" Value="{DynamicResource CaptionButtonHoverBackground}" />
-            </Trigger>
-            <Trigger Property="IsPressed" Value="True">
-                <Setter Property="Background" Value="{DynamicResource CaptionButtonPressBackground}" />
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-
-    <Style x:Key="CaptionCloseButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonStyle}">
-        <Style.Triggers>
-            <Trigger Property="IsMouseOver" Value="True">
-                <Setter Property="Foreground" Value="{DynamicResource CaptionCloseButtonHoverForeground}" />
-                <Setter Property="Background" Value="{DynamicResource CaptionCloseButtonHoverBackground}" />
-            </Trigger>
-            <Trigger Property="IsPressed" Value="True">
-                <Setter Property="Background" Value="{DynamicResource CaptionCloseButtonPressBackground}" />
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-</ResourceDictionary>

QuickLook.Common/Styles/ScrollBarStyleDictionary.xaml

@@ -1,171 +0,0 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <SolidColorBrush x:Key="StandardBorderBrush" Color="#888" />
-    <SolidColorBrush x:Key="StandardBackgroundBrush" Color="#FFF" />
-    <SolidColorBrush x:Key="HoverBorderBrush" Color="#DDD" />
-    <SolidColorBrush x:Key="SelectedBackgroundBrush" Color="Gray" />
-    <SolidColorBrush x:Key="SelectedForegroundBrush" Color="White" />
-    <SolidColorBrush x:Key="DisabledForegroundBrush" Color="#888" />
-    <SolidColorBrush x:Key="NormalBrush" Color="#888" />
-    <SolidColorBrush x:Key="NormalBorderBrush" Color="#888" />
-    <SolidColorBrush x:Key="HorizontalNormalBrush" Color="#888" />
-    <SolidColorBrush x:Key="HorizontalNormalBorderBrush" Color="#888" />
-    <LinearGradientBrush x:Key="StandardBrush"
-                         StartPoint="0,0" EndPoint="0,1">
-        <GradientBrush.GradientStops>
-            <GradientStopCollection>
-                <GradientStop Color="#FFF" Offset="0.0" />
-                <GradientStop Color="#CCC" Offset="1.0" />
-            </GradientStopCollection>
-        </GradientBrush.GradientStops>
-    </LinearGradientBrush>
-    <SolidColorBrush x:Key="GlyphBrush" Color="#444" />
-    <LinearGradientBrush x:Key="PressedBrush"
-                         StartPoint="0,0" EndPoint="0,1">
-        <GradientBrush.GradientStops>
-            <GradientStopCollection>
-                <GradientStop Color="#BBB" Offset="0.0" />
-                <GradientStop Color="#EEE" Offset="0.1" />
-                <GradientStop Color="#EEE" Offset="0.9" />
-                <GradientStop Color="#FFF" Offset="1.0" />
-            </GradientStopCollection>
-        </GradientBrush.GradientStops>
-    </LinearGradientBrush>
-
-    <!-- SrollViewer ScrollBar Repeat Buttons (at each end) -->
-    <Style x:Key="ScrollBarLineButton" TargetType="{x:Type RepeatButton}">
-        <Setter Property="SnapsToDevicePixels" Value="True" />
-        <Setter Property="OverridesDefaultStyle" Value="true" />
-        <Setter Property="Focusable" Value="false" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type RepeatButton}">
-                    <Border x:Name="Border" Margin="1" CornerRadius="2" Background="{StaticResource NormalBrush}"
-                            BorderBrush="{StaticResource NormalBorderBrush}" BorderThickness="0.25">
-                        <Path HorizontalAlignment="Center" VerticalAlignment="Center"
-                              Fill="{StaticResource GlyphBrush}"
-                              Data="{Binding Path=Content, RelativeSource={RelativeSource TemplatedParent}}" />
-                    </Border>
-                    <ControlTemplate.Triggers>
-                        <Trigger Property="IsPressed" Value="true">
-                            <Setter TargetName="Border" Property="Background"
-                                    Value="{StaticResource PressedBrush}" />
-                        </Trigger>
-                        <Trigger Property="IsEnabled" Value="false">
-                            <Setter Property="Foreground"
-                                    Value="{StaticResource DisabledForegroundBrush}" />
-                        </Trigger>
-                    </ControlTemplate.Triggers>
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-    </Style>
-    <!-- SrollViewer ScrollBar Repeat Buttons (The part in the middle,
-             not the thumb the long area between the buttons ) -->
-    <Style x:Key="ScrollBarPageButton" TargetType="{x:Type RepeatButton}">
-        <Setter Property="SnapsToDevicePixels" Value="True" />
-        <Setter Property="OverridesDefaultStyle" Value="true" />
-        <Setter Property="IsTabStop" Value="false" />
-        <Setter Property="Focusable" Value="false" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type RepeatButton}">
-                    <Border Background="Transparent" />
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-    </Style>
-    <!-- ScrollViewer ScrollBar Thumb, that part that can be dragged
-            up/down or left/right Buttons -->
-    <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
-        <Setter Property="SnapsToDevicePixels" Value="True" />
-        <Setter Property="OverridesDefaultStyle" Value="true" />
-        <Setter Property="IsTabStop" Value="false" />
-        <Setter Property="Focusable" Value="false" />
-        <Setter Property="Template">
-            <Setter.Value>
-                <ControlTemplate TargetType="{x:Type Thumb}">
-                    <Border CornerRadius="2" Background="{TemplateBinding Background}"
-                            BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0.25" />
-                </ControlTemplate>
-            </Setter.Value>
-        </Setter>
-    </Style>
-    <!-- VerticalScrollBar Template using the previously created Templates -->
-    <ControlTemplate x:Key="VerticalScrollBar"
-                     TargetType="{x:Type ScrollBar}">
-        <Grid Width="13">
-            <Grid.RowDefinitions>
-                <RowDefinition Height="*" />
-            </Grid.RowDefinitions>
-            <Border Grid.RowSpan="3" CornerRadius="2" Background="Transparent" />
-            <Track x:Name="PART_Track" Grid.Row="0" IsDirectionReversed="true">
-                <Track.DecreaseRepeatButton>
-                    <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageUpCommand" />
-                </Track.DecreaseRepeatButton>
-                <Track.Thumb>
-                    <Thumb Style="{StaticResource ScrollBarThumb}" Margin="1,0"
-                           Background="{StaticResource HorizontalNormalBrush}"
-                           BorderBrush="{StaticResource HorizontalNormalBorderBrush}" />
-                </Track.Thumb>
-                <Track.IncreaseRepeatButton>
-                    <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageDownCommand" />
-                </Track.IncreaseRepeatButton>
-            </Track>
-        </Grid>
-    </ControlTemplate>
-    <!-- HorizontalScrollBar Template using the previously created Templates -->
-    <ControlTemplate x:Key="HorizontalScrollBar"
-                     TargetType="{x:Type ScrollBar}">
-        <Grid>
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="*" />
-            </Grid.ColumnDefinitions>
-            <Border
-                Grid.ColumnSpan="3"
-                CornerRadius="2"
-                Background="Transparent" />
-            <Track
-                x:Name="PART_Track"
-                Grid.Column="0"
-                IsDirectionReversed="False">
-                <Track.DecreaseRepeatButton>
-                    <RepeatButton
-                        Style="{StaticResource ScrollBarPageButton}"
-                        Command="ScrollBar.PageLeftCommand" />
-                </Track.DecreaseRepeatButton>
-                <Track.Thumb>
-                    <Thumb
-                        Style="{StaticResource ScrollBarThumb}"
-                        Margin="0,2"
-                        Background="{StaticResource NormalBrush}"
-                        BorderBrush="{StaticResource NormalBorderBrush}" />
-                </Track.Thumb>
-                <Track.IncreaseRepeatButton>
-                    <RepeatButton
-                        Style="{StaticResource ScrollBarPageButton}"
-                        Command="ScrollBar.PageRightCommand" />
-                </Track.IncreaseRepeatButton>
-            </Track>
-        </Grid>
-    </ControlTemplate>
-    <!-- Style for overall  ScrollBar -->
-    <Style x:Key="{x:Type ScrollBar}" TargetType="{x:Type ScrollBar}">
-        <Setter Property="SnapsToDevicePixels" Value="True" />
-        <Setter Property="OverridesDefaultStyle" Value="true" />
-        <Style.Triggers>
-            <Trigger Property="Orientation" Value="Horizontal">
-                <Setter Property="Width" Value="Auto" />
-                <Setter Property="Height" Value="15" />
-                <Setter Property="Template"
-                        Value="{StaticResource HorizontalScrollBar}" />
-            </Trigger>
-            <Trigger Property="Orientation" Value="Vertical">
-                <Setter Property="Width" Value="13" />
-                <Setter Property="Height" Value="Auto" />
-                <Setter Property="Template"
-                        Value="{StaticResource VerticalScrollBar}" />
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-</ResourceDictionary>

QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.ArchiveViewer
 
         private ArchiveInfoPanel _panel;
 
-        public int Priority => 0;
+        public int Priority => -5;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.CameraRawViewer/DCraw.cs

@@ -1,35 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.IO;
-using System.Reflection;
-using System.Text;
-
-namespace QuickLook.Plugin.CameraRawViewer
-{
-    internal class DCraw
-    {
-        private static readonly string DCrawPath =
-            Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
-                Environment.Is64BitProcess ? "dcraw64.exe" : "dcraw32.exe");
-
-        public static string ConvertToTiff(string input)
-        {
-            var output = Path.GetTempFileName();
-
-            using (var p = new Process())
-            {
-                p.StartInfo.UseShellExecute = false;
-                p.StartInfo.CreateNoWindow = true;
-                p.StartInfo.RedirectStandardOutput = true;
-                p.StartInfo.FileName = DCrawPath;
-                p.StartInfo.Arguments = $"-w -W -h -T -O \"{output}\" \"{input}\"";
-                p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
-                p.Start();
-
-                p.WaitForExit(10000);
-            }
-
-            return new FileInfo(output).Length > 0 ? output : string.Empty;
-        }
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.CameraRawViewer/Plugin.cs

@@ -1,85 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.IO;
-using System.Linq;
-using QuickLook.Common.Plugin;
-
-namespace QuickLook.Plugin.CameraRawViewer
-{
-    public class Plugin : IViewer
-    {
-        private static readonly string[] Formats =
-        {
-            // camera raw
-            ".ari", ".arw", ".bay", ".crw", ".cr2", ".cap", ".dcs", ".dcr", ".dng", ".drf", ".eip", ".erf", ".fff",
-            ".iiq", ".k25", ".kdc", ".mdc", ".mef", ".mos", ".mrw", ".nef", ".nrw", ".obm", ".orf", ".pef", ".ptx",
-            ".pxn", ".r3d", ".raf", ".raw", ".rwl", ".rw2", ".rwz", ".sr2", ".srf", ".srw", ".x3f"
-        };
-        private string _image = string.Empty;
-
-        private ImageViewer.Plugin _imageViewierPlugin;
-
-        public int Priority => -1;//int.MaxValue;
-
-        public void Init()
-        {
-        }
-
-        public bool CanHandle(string path)
-        {
-            return false;
-            return !Directory.Exists(path) && Formats.Any(path.ToLower().EndsWith);
-        }
-
-        public void Prepare(string path, ContextObject context)
-        {
-            _imageViewierPlugin=new ImageViewer.Plugin();
-
-            _imageViewierPlugin.Prepare(path, context);
-        }
-
-        public void View(string path, ContextObject context)
-        {
-            _image = DCraw.ConvertToTiff(path);
-
-            if (string.IsNullOrEmpty(_image))
-                throw new Exception("DCraw failed.");
-
-            _imageViewierPlugin.View(_image, context);
-
-            // correct title
-            context.Title = Path.GetFileName(path);
-        }
-
-        public void Cleanup()
-        {
-            _imageViewierPlugin.Cleanup();
-            _imageViewierPlugin = null;
-
-            try
-            {
-                File.Delete(_image);
-            }
-            catch (Exception)
-            {
-                // ignored
-            }
-        }
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Plugin.cs

@@ -26,7 +26,7 @@ namespace QuickLook.Plugin.CsvViewer
     {
         private CsvViewerPanel _panel;
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.EpubViewer/Plugin.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.EpubViewer
     {
         private ContextObject _context;
         private EpubViewerControl _epubControl;
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.HtmlViewer
 
         private WebpagePanel _panel;
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/IInitializeWithFile.cs

@@ -1,29 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System.Runtime.InteropServices;
-
-namespace QuickLook.Plugin.IPreviewHandlers
-{
-    [ComImport]
-    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
-    [Guid("b7d14566-0509-4cce-a71f-0a554233bd9b")]
-    internal interface IInitializeWithFile
-    {
-        void Initialize([MarshalAs(UnmanagedType.LPWStr)] string pszFilePath, uint grfMode);
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/IPreviewHandler.cs

@@ -1,40 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Drawing;
-using System.Runtime.InteropServices;
-using System.Windows.Forms;
-
-namespace QuickLook.Plugin.IPreviewHandlers
-{
-    [ComImport]
-    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
-    [Guid("8895b1c6-b41f-4c1c-a562-0d564250836f")]
-    internal interface IPreviewHandler
-    {
-        void SetWindow(IntPtr hwnd, ref Rectangle rect);
-        void SetRect(ref Rectangle rect);
-        void DoPreview();
-        void Unload();
-        void SetFocus();
-        void QueryFocus(out IntPtr phwnd);
-
-        [PreserveSig]
-        uint TranslateAccelerator(ref Message pmsg);
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/PreviewHandlerHost.cs

@@ -1,170 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.ComponentModel;
-using System.Drawing;
-using System.IO;
-using System.Runtime.InteropServices;
-using System.Windows.Forms;
-using Microsoft.Win32;
-
-namespace QuickLook.Plugin.IPreviewHandlers
-{
-    /// <summary>
-    ///     A Windows Forms host for Preview Handlers.
-    /// </summary>
-    public class PreviewHandlerHost : Control
-    {
-        /// <summary>
-        ///     The GUID for the IShellItem interface.
-        /// </summary>
-        internal const string GuidIshellitem = "43826d1e-e718-42ee-bc55-a1e261c37bfe";
-
-        private IPreviewHandler _mCurrentPreviewHandler;
-
-        /// <summary>
-        ///     Initialialises a new instance of the PreviewHandlerHost class.
-        /// </summary>
-        public PreviewHandlerHost()
-        {
-            Size = new Size(320, 240);
-        }
-
-        /// <summary>
-        ///     Gets the GUID of the current preview handler.
-        /// </summary>
-        [Browsable(false)]
-        [ReadOnly(true)]
-        public Guid CurrentPreviewHandler { get; private set; } = Guid.Empty;
-
-        /// <summary>
-        ///     Releases the unmanaged resources used by the PreviewHandlerHost and optionally releases the managed resources.
-        /// </summary>
-        /// <param name="disposing"></param>
-        protected override void Dispose(bool disposing)
-        {
-            UnloadPreviewHandler();
-
-            if (_mCurrentPreviewHandler != null)
-            {
-                Marshal.FinalReleaseComObject(_mCurrentPreviewHandler);
-                _mCurrentPreviewHandler = null;
-                GC.Collect();
-            }
-
-            base.Dispose(disposing);
-        }
-
-        /// <summary>
-        ///     Returns the GUID of the preview handler associated with the specified file.
-        /// </summary>
-        /// <param name="filename"></param>
-        /// <returns></returns>
-        public static Guid GetPreviewHandlerGUID(string filename)
-        {
-            // open the registry key corresponding to the file extension
-            var ext = Registry.ClassesRoot.OpenSubKey(Path.GetExtension(filename));
-            if (ext != null)
-            {
-                // open the key that indicates the GUID of the preview handler type
-                var test = ext.OpenSubKey("shellex\\{8895b1c6-b41f-4c1c-a562-0d564250836f}");
-                if (test != null) return new Guid(Convert.ToString(test.GetValue(null)));
-
-                // sometimes preview handlers are declared on key for the class
-                var className = Convert.ToString(ext.GetValue(null));
-                if (className != null)
-                {
-                    test = Registry.ClassesRoot.OpenSubKey(
-                        className + "\\shellex\\{8895b1c6-b41f-4c1c-a562-0d564250836f}");
-                    if (test != null) return new Guid(Convert.ToString(test.GetValue(null)));
-                }
-            }
-
-            return Guid.Empty;
-        }
-
-        /// <summary>
-        ///     Resizes the hosted preview handler when this PreviewHandlerHost is resized.
-        /// </summary>
-        /// <param name="e"></param>
-        protected override void OnResize(EventArgs e)
-        {
-            base.OnResize(e);
-
-            var r = ClientRectangle;
-            _mCurrentPreviewHandler?.SetRect(ref r);
-        }
-
-        /// <summary>
-        ///     Opens the specified file using the appropriate preview handler and displays the result in this PreviewHandlerHost.
-        /// </summary>
-        /// <param name="path"></param>
-        /// <returns></returns>
-        public bool Open(string path)
-        {
-            UnloadPreviewHandler();
-
-            if (string.IsNullOrEmpty(path))
-                return false;
-
-            // try to get GUID for the preview handler
-            var guid = GetPreviewHandlerGUID(path);
-
-            if (guid == Guid.Empty)
-                return false;
-
-            CurrentPreviewHandler = guid;
-            var o = Activator.CreateInstance(Type.GetTypeFromCLSID(CurrentPreviewHandler, true));
-
-            var fileInit = o as IInitializeWithFile;
-
-            if (fileInit == null)
-                return false;
-
-            fileInit.Initialize(path, 0);
-            _mCurrentPreviewHandler = o as IPreviewHandler;
-            if (_mCurrentPreviewHandler == null)
-                return false;
-
-            if (IsDisposed)
-                return false;
-
-            // bind the preview handler to the control's bounds and preview the content
-            var r = ClientRectangle;
-            _mCurrentPreviewHandler.SetWindow(Handle, ref r);
-            _mCurrentPreviewHandler.DoPreview();
-
-            return true;
-        }
-
-        /// <summary>
-        ///     Unloads the preview handler hosted in this PreviewHandlerHost and closes the file stream.
-        /// </summary>
-        public void UnloadPreviewHandler()
-        {
-            try
-            {
-                _mCurrentPreviewHandler?.Unload();
-            }
-            catch (Exception)
-            {
-                // ignored
-            }
-        }
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/PreviewPanel.xaml

@@ -1,12 +0,0 @@
-<UserControl x:Class="QuickLook.Plugin.IPreviewHandlers.PreviewPanel"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             mc:Ignorable="d"
-             x:Name="panel"
-             d:DesignHeight="300" d:DesignWidth="300">
-    <Grid>
-        <WindowsFormsHost x:Name="presenter" />
-    </Grid>
-</UserControl>

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/PreviewPanel.xaml.cs

@@ -1,69 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System;
-using System.Runtime.InteropServices;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Threading;
-using QuickLook.Common.Plugin;
-
-namespace QuickLook.Plugin.IPreviewHandlers
-{
-    /// <summary>
-    ///     Interaction logic for PreviewPanel.xaml
-    /// </summary>
-    public partial class PreviewPanel : UserControl, IDisposable
-    {
-        private PreviewHandlerHost _control;
-
-        public PreviewPanel()
-        {
-            InitializeComponent();
-        }
-
-        public void Dispose()
-        {
-            Application.Current.Dispatcher.BeginInvoke(new Action(() =>
-            {
-                presenter.Child = null;
-                presenter?.Dispose();
-
-                _control?.Dispose();
-                _control = null;
-            }));
-        }
-
-        public void PreviewFile(string file, ContextObject context)
-        {
-            _control = new PreviewHandlerHost();
-            presenter.Child = _control;
-            _control.Open(file);
-
-            //SetForegroundWindow(new WindowInteropHelper(context.ViewerWindow).Handle);
-            //SetActiveWindow(presenter.Handle);
-        }
-
-        [DllImport("user32.dll")]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        private static extern bool SetForegroundWindow(IntPtr hWnd);
-
-        [DllImport("user32.dll")]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        private static extern bool SetActiveWindow(IntPtr hWnd);
-    }
-}

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/Properties/AssemblyInfo.cs

@@ -1,68 +0,0 @@
-// Copyright © 2017 Paddy Xu
-// 
-// 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 System.Reflection;
-using System.Runtime.InteropServices;
-using System.Windows;
-
-// General Information about an assembly is controlled through the following
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("QuickLook.Plugin.IPreviewHandlers")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("pooi.moe")]
-[assembly: AssemblyProduct("QuickLook.Plugin.IPreviewHandlers")]
-[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-//In order to begin building localizable applications, set
-//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
-//inside a <PropertyGroup>.  For example, if you are using US english
-//in your source files, set the <UICulture> to en-US.  Then uncomment
-//the NeutralResourceLanguage attribute below.  Update the "en-US" in
-//the line below to match the UICulture setting in the project file.
-
-//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
-
-
-[assembly: ThemeInfo(
-    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
-    //(used if a resource is not found in the page,
-    // or application resource dictionaries)
-    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
-    //(used if a resource is not found in the page,
-    // app, or any theme specific resource dictionaries)
-)]
-
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]

QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj

@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{E37675EA-D957-4495-8655-2609BF86756C}</ProjectGuid>
-    <OutputType>library</OutputType>
-    <RootNamespace>QuickLook.Plugin.IPreviewHandlers</RootNamespace>
-    <AssemblyName>QuickLook.Plugin.IPreviewHandlers</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
-    <WarningLevel>4</WarningLevel>
-    <TargetFrameworkProfile />
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.IPreviewHandlers\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.IPreviewHandlers\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.IPreviewHandlers\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.IPreviewHandlers\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>false</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xaml">
-      <RequiredTargetFramework>4.0</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="WindowsBase" />
-    <Reference Include="PresentationCore" />
-    <Reference Include="PresentationFramework" />
-    <Reference Include="WindowsFormsIntegration" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\..\GitVersion.cs">
-      <Link>Properties\GitVersion.cs</Link>
-    </Compile>
-    <Compile Include="IInitializeWithFile.cs" />
-    <Compile Include="IPreviewHandler.cs" />
-    <Compile Include="Plugin.cs">
-      <SubType>Code</SubType>
-    </Compile>
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="PreviewHandlerHost.cs">
-      <SubType>Component</SubType>
-    </Compile>
-    <Compile Include="PreviewPanel.xaml.cs">
-      <DependentUpon>PreviewPanel.xaml</DependentUpon>
-    </Compile>
-    <Compile Include="Properties\AssemblyInfo.cs">
-      <SubType>Code</SubType>
-    </Compile>
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\QuickLook.Common\QuickLook.Common.csproj">
-      <Project>{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}</Project>
-      <Name>QuickLook.Common</Name>
-      <Private>False</Private>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <Page Include="PreviewPanel.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Plugin.cs

@@ -43,7 +43,7 @@ namespace QuickLook.Plugin.ImageViewer
         private ImagePanel _ip;
         private NConvert _meta;
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.MailViewer/Plugin.cs

@@ -31,7 +31,7 @@ namespace QuickLook.Plugin.MailViewer
         private WebpagePanel _panel;
         private string _tmpDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Plugin.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.MarkdownViewer
     {
         private WebpagePanel _panel;
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Plugin.cs

@@ -30,7 +30,7 @@ namespace QuickLook.Plugin.PDFViewer
         private string _path;
         private PdfViewerControl _pdfControl;
 
-        public int Priority => int.MaxValue;
+        public int Priority => 0;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.PluginInstaller/Plugin.cs

@@ -1,4 +1,4 @@
-// Copyright © 2017 Paddy Xu
+// Copyright © 2018 Paddy Xu
 // 
 // This file is part of QuickLook program.
 // 
@@ -21,21 +21,10 @@ using System.Linq;
 using System.Windows;
 using QuickLook.Common.Plugin;
 
-namespace QuickLook.Plugin.IPreviewHandlers
+namespace QuickLook.Plugin.PluginInstaller
 {
     public class Plugin : IViewer
     {
-        private static readonly string[] Extensions =
-        {
-            ".doc", ".docx", ".docm",
-            ".xls", ".xlsx", ".xlsm", ".xlsb",
-            /*".vsd", ".vsdx",*/
-            ".ppt", ".pptx",
-            ".odt", ".ods", ".odp"
-        };
-
-        private PreviewPanel _panel;
-
         public int Priority => int.MaxValue;
 
         public void Init()
@@ -44,37 +33,30 @@ namespace QuickLook.Plugin.IPreviewHandlers
 
         public bool CanHandle(string path)
         {
-            if (Directory.Exists(path))
-                return false;
-
-            if (Extensions.Any(path.ToLower().EndsWith))
-                return PreviewHandlerHost.GetPreviewHandlerGUID(path) != Guid.Empty;
-
-            return false;
+            return !Directory.Exists(path) && path.ToLower().EndsWith(".qlplugin");
         }
 
         public void Prepare(string path, ContextObject context)
         {
-            context.SetPreferredSizeFit(new Size {Width = 800, Height = 800}, 0.8);
+            context.PreferredSize = new Size { Width = 460, Height = 200 };
+
+            context.Title = "";
+            context.TitlebarOverlap = false;
+            context.TitlebarBlurVisibility = false;
+            context.TitlebarColourVisibility = false;
+            context.CanResize = false;
+            context.FullWindowDragging = true;
         }
 
         public void View(string path, ContextObject context)
         {
-            _panel = new PreviewPanel();
-            context.ViewerContent = _panel;
-            context.Title = Path.GetFileName(path);
-
-            _panel.PreviewFile(path, context);
+            context.ViewerContent = new PluginInfoPanel(path, context);
 
             context.IsBusy = false;
         }
 
         public void Cleanup()
         {
-            GC.SuppressFinalize(this);
-
-            _panel?.Dispose();
-            _panel = null;
         }
     }
 }

QuickLook.Plugin/QuickLook.Plugin.PluginInstaller/PluginInfoPanel.xaml

@@ -0,0 +1,45 @@
+<UserControl x:Class="QuickLook.Plugin.PluginInstaller.PluginInfoPanel"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             FontSize="14"
+             mc:Ignorable="d" Width="460" Height="200">
+    <UserControl.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="/QuickLook.Common;component/Styles/MainWindowStyles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </UserControl.Resources>
+    <Grid>
+        <Grid>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="15" />
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="15" />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="10" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="10" />
+                <RowDefinition Height="*" />
+                <RowDefinition Height="40" />
+                <RowDefinition Height="10" />
+            </Grid.RowDefinitions>
+            <TextBlock x:Name="filename" Grid.Row="1" Grid.Column="1" FontSize="19" Padding="3"
+                       TextWrapping="Wrap"
+                       LineHeight="25" MaxHeight="60" TextTrimming="CharacterEllipsis" FontWeight="SemiBold">
+                QuickLook.Plugin.PluginInstaller
+            </TextBlock>
+            <TextBlock x:Name="description" Grid.Row="3" Grid.Column="1" Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}">
+                I am a potato.
+            </TextBlock>
+            <Button x:Name="btnInstall" Content="Click here to install this plugin." Grid.Column="1" Grid.Row="4" 
+                    
+                    FontWeight="SemiBold" Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                    Style="{StaticResource CaptionTextButtonStyle}" HorizontalAlignment="Right" Margin="0,0,20,0" />
+        </Grid>
+    </Grid>
+</UserControl>

QuickLook.Plugin/QuickLook.Plugin.PluginInstaller/PluginInfoPanel.xaml.cs

@@ -0,0 +1,160 @@
+// Copyright © 2017 Paddy Xu
+// 
+// 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 System;
+using System.IO;
+using System.IO.Compression;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Xml;
+using QuickLook.Common.ExtensionMethods;
+using QuickLook.Common.Plugin;
+
+namespace QuickLook.Plugin.PluginInstaller
+{
+    public partial class PluginInfoPanel : UserControl
+    {
+        private readonly ContextObject _context;
+        private readonly string _path;
+        private string _namespace;
+
+        public PluginInfoPanel(string path, ContextObject context)
+        {
+            InitializeComponent();
+
+            // apply global theme
+            Resources.MergedDictionaries[0].Clear();
+
+            _path = path;
+            _context = context;
+            ReadInfo();
+
+            btnInstall.Click += BtnInstall_Click;
+        }
+
+        private void BtnInstall_Click(object sender, RoutedEventArgs e)
+        {
+            btnInstall.Content = "Installing ...";
+            btnInstall.IsEnabled = false;
+
+            var t=DoInstall();
+            t.ContinueWith(_ =>
+                Dispatcher.BeginInvoke(new Action(() => btnInstall.Content = "Done! Please restart QuickLook.")));
+            t.Start();
+        }
+
+        private Task DoInstall()
+        {
+            var targetFolder = Path.Combine(App.UserPluginPath, _namespace);
+            return new Task(() =>
+            {
+                CleanUp();
+
+                try
+                {
+                    ZipFile.ExtractToDirectory(_path, targetFolder);
+                }
+                catch (Exception ex)
+                {
+                    Dispatcher.BeginInvoke(new Action(() => description.Text = ex.Message));
+                    CleanUp();
+                }
+            });
+
+            void CleanUp()
+            {
+                if (!Directory.Exists(targetFolder))
+                {
+                    Directory.CreateDirectory(targetFolder);
+                    return;
+                }
+
+                try
+                {
+                    Directory.GetFiles(targetFolder, "*", SearchOption.AllDirectories)
+                        .ForEach(file => File.Move(file, new Guid() + ".to_be_deleted"));
+                }
+                catch (Exception ex)
+                {
+                    Dispatcher.BeginInvoke(new Action(() => description.Text = ex.Message));
+                }
+            }
+        }
+
+
+        private void ReadInfo()
+        {
+            filename.Text = Path.GetFileNameWithoutExtension(_path);
+
+            var xml = LoadXml(GetFileFromZip(_path, "QuickLook.Plugin.Metadata.config"));
+
+            _namespace = GetString(xml, @"/Metadata/Namespace");
+
+            var okay = _namespace != null && _namespace.StartsWith("QuickLook.Plugin.");
+
+            filename.Text = okay ? _namespace : "Invalid plugin.";
+            description.Text = GetString(xml, @"/Metadata/Description", string.Empty);
+
+            btnInstall.Visibility = okay ? Visibility.Visible : Visibility.Collapsed;
+        }
+
+        private static string GetString(XmlNode xml, string xpath, string def = null)
+        {
+            var n = xml?.SelectSingleNode(xpath);
+
+            return n?.InnerText;
+        }
+
+        private static XmlDocument LoadXml(Stream data)
+        {
+            var doc = new XmlDocument();
+            try
+            {
+                doc.Load(data);
+                return doc;
+            }
+            catch (XmlException)
+            {
+                return null;
+            }
+        }
+
+        private static MemoryStream GetFileFromZip(string archive, string entry)
+        {
+            var ms = new MemoryStream();
+
+            try
+            {
+                using (var zip = ZipFile.Open(archive, ZipArchiveMode.Read))
+                {
+                    using (var s = zip?.GetEntry(entry)?.Open())
+                    {
+                        s?.CopyTo(ms);
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                return ms;
+            }
+
+            ms.Position = 0;
+            return ms;
+        }
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.PluginInstaller/Properties/AssemblyInfo.cs

@@ -21,12 +21,12 @@ using System.Runtime.InteropServices;
 // General Information about an assembly is controlled through the following
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("QuickLook.Plugin.ImageViewer")]
+[assembly: AssemblyTitle("QuickLook.Plugin.PluginInstaller")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("pooi.moe")]
-[assembly: AssemblyProduct("QuickLook.Plugin.ImageViewer")]
-[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
+[assembly: AssemblyProduct("QuickLook.Plugin.PluginInstaller")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2018")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -36,7 +36,7 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("fe5a5111-9607-4721-a7be-422754002ed8")]
+[assembly: Guid("042b5cb9-aaf0-4a61-b847-deb2e06f60ab")]
 
 // Version information for an assembly consists of the following four values:
 //

QuickLook.Plugin/QuickLook.Plugin.PluginInstaller/QuickLook.Plugin.PluginInstaller.csproj

@@ -7,8 +7,8 @@
     <ProjectGuid>{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>QuickLook.Plugin.CameraRawViewer</RootNamespace>
-    <AssemblyName>QuickLook.Plugin.CameraRawViewer</AssemblyName>
+    <RootNamespace>QuickLook.Plugin.PluginInstaller</RootNamespace>
+    <AssemblyName>QuickLook.Plugin.PluginInstaller</AssemblyName>
     <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
@@ -35,7 +35,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.CameraRawViewer\</OutputPath>
+    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.PluginInstaller\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -43,7 +43,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.CameraRawViewer\</OutputPath>
+    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.PluginInstaller\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
@@ -63,14 +63,19 @@
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.IO.Compression" />
+    <Reference Include="System.IO.Compression.FileSystem" />
     <Reference Include="System.Xaml" />
+    <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\..\GitVersion.cs">
       <Link>Properties\GitVersion.cs</Link>
     </Compile>
-    <Compile Include="DCraw.cs" />
+    <Compile Include="PluginInfoPanel.xaml.cs">
+      <DependentUpon>PluginInfoPanel.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Plugin.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
@@ -80,19 +85,16 @@
       <Name>QuickLook.Common</Name>
       <Private>False</Private>
     </ProjectReference>
-    <ProjectReference Include="..\QuickLook.Plugin.ImageViewer\QuickLook.Plugin.ImageViewer.csproj">
-      <Project>{fe5a5111-9607-4721-a7be-422754002ed8}</Project>
-      <Name>QuickLook.Plugin.ImageViewer</Name>
-      <Private>False</Private>
+    <ProjectReference Include="..\..\QuickLook\QuickLook.csproj">
+      <Project>{8b4a9ce5-67b5-4a94-81cb-3771f688fdeb}</Project>
+      <Name>QuickLook</Name>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="dcraw32.exe">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
-    <Content Include="dcraw64.exe">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
+    <Page Include="PluginInfoPanel.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs

@@ -31,7 +31,7 @@ namespace QuickLook.Plugin.TextViewer
     {
         private TextViewerPanel _tvp;
 
-        public int Priority => 0;
+        public int Priority => -5;
 
         public void Init()
         {

QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Plugin.cs

@@ -43,7 +43,7 @@ namespace QuickLook.Plugin.VideoViewer
 
         private ViewerPanel _vp;
 
-        public int Priority => 0 - 10; // make it lower than TextViewer
+        public int Priority => -10; // make it lower than TextViewer
 
         public void Init()
         {

QuickLook.sln

@@ -48,13 +48,10 @@ Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "QuickLook.Installer", "Quic
 		{DE2E3BC5-6AB2-4420-A160-48C7A7506C1C} = {DE2E3BC5-6AB2-4420-A160-48C7A7506C1C}
 		{794E4DCF-F715-4836-9D30-ABD296586D23} = {794E4DCF-F715-4836-9D30-ABD296586D23}
 		{8B4A9CE5-67B5-4A94-81CB-3771F688FDEB} = {8B4A9CE5-67B5-4A94-81CB-3771F688FDEB}
-		{E37675EA-D957-4495-8655-2609BF86756C} = {E37675EA-D957-4495-8655-2609BF86756C}
 		{CE22A1F3-7F2C-4EC8-BFDE-B58D0EB625FC} = {CE22A1F3-7F2C-4EC8-BFDE-B58D0EB625FC}
 		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA} = {BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.IPreviewHandlers", "QuickLook.Plugin\QuickLook.Plugin.IPreviewHandlers\QuickLook.Plugin.IPreviewHandlers.csproj", "{E37675EA-D957-4495-8655-2609BF86756C}"
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "QuickLook.Native64", "QuickLook.Native\QuickLook.Native64\QuickLook.Native64.vcxproj", "{794E4DCF-F715-4836-9D30-ABD296586D23}"
 	ProjectSection(ProjectDependencies) = postProject
 		{2C58F9B2-D8FA-4586-942B-5170CECE5963} = {2C58F9B2-D8FA-4586-942B-5170CECE5963}
@@ -73,10 +70,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.MailViewer
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Common", "QuickLook.Common\QuickLook.Common.csproj", "{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.CameraRawViewer", "QuickLook.Plugin\QuickLook.Plugin.CameraRawViewer\QuickLook.Plugin.CameraRawViewer.csproj", "{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.EpubViewer", "QuickLook.Plugin\QuickLook.Plugin.EpubViewer\QuickLook.Plugin.EpubViewer.csproj", "{260C9E70-0582-471F-BFB5-022CFE7984C8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.PluginInstaller", "QuickLook.Plugin\QuickLook.Plugin.PluginInstaller\QuickLook.Plugin.PluginInstaller.csproj", "{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -163,14 +160,6 @@ Global
 		{F0214FC2-EFBE-426C-842D-B42BC37D9525}.Release|Any CPU.Build.0 = Release|x86
 		{F0214FC2-EFBE-426C-842D-B42BC37D9525}.Release|x86.ActiveCfg = Release|x86
 		{F0214FC2-EFBE-426C-842D-B42BC37D9525}.Release|x86.Build.0 = Release|x86
-		{E37675EA-D957-4495-8655-2609BF86756C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E37675EA-D957-4495-8655-2609BF86756C}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E37675EA-D957-4495-8655-2609BF86756C}.Debug|x86.ActiveCfg = Debug|x86
-		{E37675EA-D957-4495-8655-2609BF86756C}.Debug|x86.Build.0 = Debug|x86
-		{E37675EA-D957-4495-8655-2609BF86756C}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E37675EA-D957-4495-8655-2609BF86756C}.Release|Any CPU.Build.0 = Release|Any CPU
-		{E37675EA-D957-4495-8655-2609BF86756C}.Release|x86.ActiveCfg = Release|x86
-		{E37675EA-D957-4495-8655-2609BF86756C}.Release|x86.Build.0 = Release|x86
 		{794E4DCF-F715-4836-9D30-ABD296586D23}.Debug|Any CPU.ActiveCfg = Debug|x64
 		{794E4DCF-F715-4836-9D30-ABD296586D23}.Debug|Any CPU.Build.0 = Debug|x64
 		{794E4DCF-F715-4836-9D30-ABD296586D23}.Debug|x86.ActiveCfg = Debug|x64
@@ -207,13 +196,6 @@ Global
 		{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}.Release|Any CPU.Build.0 = Release|Any CPU
 		{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}.Release|x86.ActiveCfg = Release|Any CPU
 		{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}.Release|x86.Build.0 = Release|Any CPU
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|x86.ActiveCfg = Debug|x86
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|x86.Build.0 = Debug|x86
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|x86.ActiveCfg = Release|x86
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|x86.Build.0 = Release|x86
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Debug|x86.ActiveCfg = Debug|Any CPU
@@ -222,6 +204,14 @@ Global
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Release|Any CPU.Build.0 = Release|Any CPU
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Release|x86.ActiveCfg = Release|Any CPU
 		{260C9E70-0582-471F-BFB5-022CFE7984C8}.Release|x86.Build.0 = Release|Any CPU
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|x86.ActiveCfg = Debug|x86
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Debug|x86.Build.0 = Debug|x86
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|x86.ActiveCfg = Release|x86
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -235,13 +225,12 @@ Global
 		{1B746D92-49A5-4A37-9D75-DCC490393290} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{CE22A1F3-7F2C-4EC8-BFDE-B58D0EB625FC} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{AB1270AF-7EB4-4B4F-9E09-6404F1A28EA0} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
-		{E37675EA-D957-4495-8655-2609BF86756C} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{794E4DCF-F715-4836-9D30-ABD296586D23} = {D18A23FF-76BD-43BD-AC32-786D166EBAC9}
 		{2C58F9B2-D8FA-4586-942B-5170CECE5963} = {D18A23FF-76BD-43BD-AC32-786D166EBAC9}
 		{863ECAAC-18D9-4256-A27D-0F308089FB47} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{45E94893-3076-4A8E-8969-6955B6340739} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
-		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{260C9E70-0582-471F-BFB5-022CFE7984C8} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
+		{BD58F3FC-7601-47BA-AAA1-D8A9D54A33DA} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {D3761C32-8C5F-498A-892B-3B0882994B62}

QuickLook/App.xaml.cs

@@ -34,6 +34,7 @@ namespace QuickLook
     /// </summary>
     public partial class App : Application
     {
+        public static readonly string UserPluginPath = Path.Combine(SettingHelper.LocalDataPath, "QuickLook.Plugin\\");
         public static readonly string AppFullPath = Assembly.GetExecutingAssembly().Location;
         public static readonly string AppPath = Path.GetDirectoryName(AppFullPath);
         public static readonly bool Is64Bit = Environment.Is64BitProcess;

QuickLook/PluginManager.cs

@@ -22,6 +22,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using QuickLook.Common.ExtensionMethods;
+using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
 
 namespace QuickLook
@@ -32,7 +33,10 @@ namespace QuickLook
 
         private PluginManager()
         {
-            LoadPlugins();
+            CleanupOldPlugins(App.UserPluginPath);
+            LoadPlugins(App.UserPluginPath);
+            LoadPlugins(Path.Combine(App.AppPath, "QuickLook.Plugin\\"));
+            InitLoadedPlugins();
         }
 
         internal IViewer DefaultPlugin { get; } = new Plugin.InfoPanel.Plugin();
@@ -74,9 +78,12 @@ namespace QuickLook
             return (matched ?? DefaultPlugin).GetType().CreateInstance<IViewer>();
         }
 
-        private void LoadPlugins()
+        private void LoadPlugins(string folder)
         {
-            Directory.GetFiles(Path.Combine(App.AppPath, "QuickLook.Plugin\\"), "QuickLook.Plugin.*.dll",
+            if (!Directory.Exists(folder))
+                return;
+
+            Directory.GetFiles(folder, "QuickLook.Plugin.*.dll",
                     SearchOption.AllDirectories)
                 .ToList()
                 .ForEach(
@@ -90,7 +97,10 @@ namespace QuickLook
                     });
 
             LoadedPlugins = LoadedPlugins.OrderByDescending(i => i.Priority).ToList();
+        }
 
+        private void InitLoadedPlugins()
+        {
             LoadedPlugins.ForEach(i =>
             {
                 try
@@ -99,7 +109,25 @@ namespace QuickLook
                 }
                 catch (Exception e)
                 {
-                    Debug.WriteLine(e);
+                    ProcessHelper.WriteLog(e.ToString());
+                }
+            });
+        }
+
+        private static void CleanupOldPlugins(string folder)
+        {
+            if (!Directory.Exists(folder))
+                return;
+
+            Directory.GetFiles(folder, "*.to_be_deleted", SearchOption.AllDirectories).ForEach(file =>
+            {
+                try
+                {
+                    File.Delete(file);
+                }
+                catch (Exception)
+                {
+                    // ignored
                 }
             });
         }

QuickLook/QuickLook.csproj

@@ -267,7 +267,7 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PreBuildEvent>powershell -file "$(SolutionDir)Scripts\update-version.ps1"
-</PreBuildEvent>
+    <PreBuildEvent>
+    </PreBuildEvent>
   </PropertyGroup>
 </Project>