From 696dbc889f8aefd394e32aafe50e2d166c57cf02 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Thu, 26 Aug 2021 19:15:55 +0200
Subject: [PATCH] FileManager: Make DirectoryView listen for configuration
 changes

DirectoryView now inherits from Config::Listener and will update its
view mode immediately if changed from elsewhere.

This is pretty neat. :^)
---
 Userland/Applications/FileManager/DirectoryView.cpp | 11 +++++++++++
 Userland/Applications/FileManager/DirectoryView.h   |  7 ++++++-
 Userland/Applications/FileManager/main.cpp          |  1 +
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/Userland/Applications/FileManager/DirectoryView.cpp b/Userland/Applications/FileManager/DirectoryView.cpp
index 45dc8cf635..25dab439b2 100644
--- a/Userland/Applications/FileManager/DirectoryView.cpp
+++ b/Userland/Applications/FileManager/DirectoryView.cpp
@@ -340,6 +340,17 @@ void DirectoryView::set_view_mode_from_string(String const& mode)
     }
 }
 
+void DirectoryView::config_string_did_change(String const& domain, String const& group, String const& key, String const& value)
+{
+    if (domain != "FileManager" || group != "DirectoryView")
+        return;
+
+    if (key == "ViewMode") {
+        set_view_mode_from_string(value);
+        return;
+    }
+}
+
 void DirectoryView::set_view_mode(ViewMode mode)
 {
     if (m_view_mode == mode)
diff --git a/Userland/Applications/FileManager/DirectoryView.h b/Userland/Applications/FileManager/DirectoryView.h
index e652bfe9d6..1983479595 100644
--- a/Userland/Applications/FileManager/DirectoryView.h
+++ b/Userland/Applications/FileManager/DirectoryView.h
@@ -8,6 +8,7 @@
 
 #include <AK/URL.h>
 #include <AK/Vector.h>
+#include <LibConfig/Listener.h>
 #include <LibDesktop/Launcher.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/ColumnsView.h>
@@ -38,7 +39,8 @@ private:
 
 class DirectoryView final
     : public GUI::StackWidget
-    , private GUI::ModelClient {
+    , private GUI::ModelClient
+    , public Config::Listener {
     C_OBJECT(DirectoryView);
 
 public:
@@ -130,6 +132,9 @@ public:
     GUI::Action& view_as_table_action() { return *m_view_as_table_action; }
     GUI::Action& view_as_columns_action() { return *m_view_as_columns_action; }
 
+    // ^Config::Listener
+    virtual void config_string_did_change(String const& domain, String const& group, String const& key, String const& value) override;
+
 private:
     explicit DirectoryView(Mode);
 
diff --git a/Userland/Applications/FileManager/main.cpp b/Userland/Applications/FileManager/main.cpp
index 0de4992110..cd84bd754b 100644
--- a/Userland/Applications/FileManager/main.cpp
+++ b/Userland/Applications/FileManager/main.cpp
@@ -92,6 +92,7 @@ int main(int argc, char** argv)
     }
 
     Config::pledge_domains({ "FileManager", "WindowManager" });
+    Config::monitor_domain("FileManager");
 
     if (is_desktop_mode)
         return run_in_desktop_mode();