From 365379bcb1f9233906bae0ace0daab540201695c Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Tue, 23 Nov 2021 23:25:23 +0100
Subject: [PATCH] Applets/Audio: Port to LibMain :^)

---
 Userland/Applets/Audio/CMakeLists.txt |  2 +-
 Userland/Applets/Audio/main.cpp       | 35 +++++++++------------------
 2 files changed, 12 insertions(+), 25 deletions(-)

diff --git a/Userland/Applets/Audio/CMakeLists.txt b/Userland/Applets/Audio/CMakeLists.txt
index 0d5aa975910..4941e58b4c4 100644
--- a/Userland/Applets/Audio/CMakeLists.txt
+++ b/Userland/Applets/Audio/CMakeLists.txt
@@ -9,4 +9,4 @@ set(SOURCES
 )
 
 serenity_app(Audio.Applet ICON audio-volume-high)
-target_link_libraries(Audio.Applet LibGUI LibGfx LibAudio LibCore LibConfig)
+target_link_libraries(Audio.Applet LibGUI LibGfx LibAudio LibCore LibConfig LibMain)
diff --git a/Userland/Applets/Audio/main.cpp b/Userland/Applets/Audio/main.cpp
index d0dc1b6fffc..21d790f0e9b 100644
--- a/Userland/Applets/Audio/main.cpp
+++ b/Userland/Applets/Audio/main.cpp
@@ -8,6 +8,7 @@
 
 #include <LibAudio/ClientConnection.h>
 #include <LibConfig/Client.h>
+#include <LibCore/System.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/CheckBox.h>
@@ -19,6 +20,7 @@
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Palette.h>
+#include <LibMain/Main.h>
 
 class AudioWidget final : public GUI::Widget {
     C_OBJECT(AudioWidget)
@@ -208,31 +210,19 @@ private:
     RefPtr<GUI::Label> m_root_container;
 };
 
-int main(int argc, char** argv)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    if (pledge("stdio recvfd sendfd rpath wpath cpath unix", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath wpath cpath unix", nullptr));
 
-    auto app = GUI::Application::construct(argc, argv);
-    if (unveil("/tmp/portal/config", "rw") < 0) {
-        perror("unveil");
-        return 1;
-    }
-    if (unveil("/tmp/portal/audio", "rw") < 0) {
-        perror("unveil");
-        return 1;
-    }
-    if (unveil("/res", "r") < 0) {
-        perror("unveil");
-        return 1;
-    }
-    unveil(nullptr, nullptr);
+    auto app = TRY(GUI::Application::try_create(arguments));
+    TRY(Core::System::unveil("/tmp/portal/config", "rw"));
+    TRY(Core::System::unveil("/tmp/portal/audio", "rw"));
+    TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil(nullptr, nullptr));
 
     Config::pledge_domains("AudioApplet");
 
-    auto window = GUI::Window::construct();
+    auto window = TRY(GUI::Window::try_create());
     window->set_has_alpha_channel(true);
     window->set_title("Audio");
     window->set_window_type(GUI::WindowType::Applet);
@@ -243,10 +233,7 @@ int main(int argc, char** argv)
     // This positioning code depends on the window actually existing.
     static_cast<AudioWidget*>(window->main_widget())->set_audio_widget_size(Config::read_bool("AudioApplet", "Applet", "ShowPercent", false));
 
-    if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
-        perror("pledge");
-        return 1;
-    }
+    TRY(Core::System::pledge("stdio recvfd sendfd rpath", nullptr));
 
     return app->exec();
 }