Add "Remember my choice" option for protected view notice

QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/Plugin.cs

@@ -108,19 +108,32 @@ public void View(string path, ContextObject context)
         {
             context.Title = $"[PROTECTED VIEW] {Path.GetFileName(path)}";
 
-            MessageBoxResult result = MessageBox.Show(
-                """
-                Be careful - files from the Internet can contain viruses.
-                The Office interface prevents loading in Protected View.
-
-                Would you like OfficeViewer-Native to unblock the ZoneIdentifier of Internet?
-                """,
-                "PROTECTED VIEW",
-                MessageBoxButton.YesNo,
-                MessageBoxImage.Question
-            );
-
-            if (result == MessageBoxResult.Yes)
+            // Check if user has a saved preference
+            var savedPreference = SettingHelper.Get<bool?>("AlwaysUnblockProtectedView", null, "QuickLook.Plugin.OfficeViewer");
+
+            bool shouldUnblock;
+
+            if (savedPreference.HasValue)
+            {
+                // Use saved preference
+                shouldUnblock = savedPreference.Value;
+            }
+            else
+            {
+                // Show dialog to ask user
+                var dialog = new ProtectedViewDialog();
+                var dialogResult = dialog.ShowDialog();
+
+                shouldUnblock = dialogResult == true;
+
+                // Save preference if user checked "Remember my choice"
+                if (dialog.RememberChoice)
+                {
+                    SettingHelper.Set("AlwaysUnblockProtectedView", shouldUnblock, "QuickLook.Plugin.OfficeViewer");
+                }
+            }
+
+            if (shouldUnblock)
             {
                 _ = ZoneIdentifierManager.UnblockZone(path);
             }

QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/ProtectedViewDialog.xaml

@@ -0,0 +1,60 @@
+<Window x:Class="QuickLook.Plugin.OfficeViewer.ProtectedViewDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="PROTECTED VIEW"
+        Width="500"
+        Height="250"
+        WindowStartupLocation="CenterScreen"
+        ResizeMode="NoResize"
+        ShowInTaskbar="False">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <TextBlock Grid.Row="0"
+                   TextWrapping="Wrap"
+                   FontSize="14"
+                   Margin="0,0,0,10">
+            <Run FontWeight="Bold">Be careful - files from the Internet can contain viruses.</Run>
+        </TextBlock>
+
+        <TextBlock Grid.Row="1"
+                   TextWrapping="Wrap"
+                   Margin="0,0,0,10">
+            The Office interface prevents loading in Protected View.
+        </TextBlock>
+
+        <TextBlock Grid.Row="2"
+                   TextWrapping="Wrap"
+                   Margin="0,0,0,20">
+            Would you like OfficeViewer-Native to unblock the ZoneIdentifier of Internet?
+        </TextBlock>
+
+        <StackPanel Grid.Row="3">
+            <CheckBox x:Name="RememberCheckBox"
+                      Content="Remember my choice"
+                      Margin="0,0,0,15" />
+
+            <StackPanel Orientation="Horizontal"
+                        HorizontalAlignment="Right">
+                <Button x:Name="YesButton"
+                        Content="Yes"
+                        Width="80"
+                        Height="30"
+                        Margin="0,0,10,0"
+                        IsDefault="True"
+                        Click="YesButton_Click" />
+                <Button x:Name="NoButton"
+                        Content="No"
+                        Width="80"
+                        Height="30"
+                        IsCancel="True"
+                        Click="NoButton_Click" />
+            </StackPanel>
+        </StackPanel>
+    </Grid>
+</Window>

QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/ProtectedViewDialog.xaml.cs

@@ -0,0 +1,44 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System.Windows;
+
+namespace QuickLook.Plugin.OfficeViewer;
+
+public partial class ProtectedViewDialog : Window
+{
+    public bool RememberChoice => RememberCheckBox.IsChecked ?? false;
+    public bool UserSelectedYes { get; private set; }
+
+    public ProtectedViewDialog()
+    {
+        InitializeComponent();
+    }
+
+    private void YesButton_Click(object sender, RoutedEventArgs e)
+    {
+        UserSelectedYes = true;
+        DialogResult = true;
+        Close();
+    }
+
+    private void NoButton_Click(object sender, RoutedEventArgs e)
+    {
+        DialogResult = false;
+        Close();
+    }
+}