From 31289a8d57bca2ed86d750bad6a4ab36f26ac6f1 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 24 Apr 2023 14:47:52 +0200
Subject: [PATCH] LibCore: Add a hook for custom construction of
 EventLoopImplementation

---
 Userland/Libraries/LibCore/EventLoop.cpp                 | 4 +++-
 Userland/Libraries/LibCore/EventLoop.h                   | 2 ++
 Userland/Libraries/LibCore/EventLoopImplementationUnix.h | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibCore/EventLoop.cpp b/Userland/Libraries/LibCore/EventLoop.cpp
index 6a71f584d0..c45e99f67b 100644
--- a/Userland/Libraries/LibCore/EventLoop.cpp
+++ b/Userland/Libraries/LibCore/EventLoop.cpp
@@ -30,8 +30,10 @@ bool has_event_loop()
 }
 }
 
+Function<NonnullOwnPtr<EventLoopImplementation>()> EventLoop::make_implementation = EventLoopImplementationUnix::create;
+
 EventLoop::EventLoop()
-    : m_impl(make<EventLoopImplementationUnix>())
+    : m_impl(make_implementation())
 {
     if (event_loop_stack().is_empty()) {
         event_loop_stack().append(*this);
diff --git a/Userland/Libraries/LibCore/EventLoop.h b/Userland/Libraries/LibCore/EventLoop.h
index fbcd32515a..759a4a6950 100644
--- a/Userland/Libraries/LibCore/EventLoop.h
+++ b/Userland/Libraries/LibCore/EventLoop.h
@@ -93,6 +93,8 @@ public:
 
     static EventLoop& current();
 
+    static Function<NonnullOwnPtr<EventLoopImplementation>()> make_implementation;
+
 private:
     void wait_for_event(WaitMode);
     Optional<Time> get_next_timer_expiration();
diff --git a/Userland/Libraries/LibCore/EventLoopImplementationUnix.h b/Userland/Libraries/LibCore/EventLoopImplementationUnix.h
index a44714a678..c1ab8f9cd6 100644
--- a/Userland/Libraries/LibCore/EventLoopImplementationUnix.h
+++ b/Userland/Libraries/LibCore/EventLoopImplementationUnix.h
@@ -12,6 +12,8 @@ namespace Core {
 
 class EventLoopImplementationUnix final : public EventLoopImplementation {
 public:
+    static NonnullOwnPtr<EventLoopImplementationUnix> create() { return make<EventLoopImplementationUnix>(); }
+
     EventLoopImplementationUnix();
     virtual ~EventLoopImplementationUnix();