Userland: Rename Core::Object to Core::EventReceiver

This is a more precise description of what this class actually does.

Userland/Services/AudioServer/Mixer.h

@@ -123,7 +123,7 @@ private:
     FadingProperty<double> m_volume { 1 };
 };
 
-class Mixer : public Core::Object {
+class Mixer : public Core::EventReceiver {
     C_OBJECT_ABSTRACT(Mixer)
 public:
     static ErrorOr<NonnullRefPtr<Mixer>> try_create(NonnullRefPtr<Core::ConfigFile> config)

Userland/Services/DHCPClient/DHCPv4Client.cpp

@@ -35,7 +35,7 @@ static MACAddress mac_from_string(DeprecatedString const& str)
     };
 }
 
-static bool send(InterfaceDescriptor const& iface, DHCPv4Packet const& packet, Core::Object*)
+static bool send(InterfaceDescriptor const& iface, DHCPv4Packet const& packet, Core::EventReceiver*)
 {
     int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
     if (fd < 0) {

Userland/Services/DHCPClient/DHCPv4Client.h

@@ -36,7 +36,7 @@ struct DHCPv4Transaction {
     u32 offered_lease_time { 0 };
 };
 
-class DHCPv4Client final : public Core::Object {
+class DHCPv4Client final : public Core::EventReceiver {
     C_OBJECT(DHCPv4Client)
 
 public:

Userland/Services/LookupServer/DNSServer.cpp

@@ -13,7 +13,7 @@ namespace LookupServer {
 
 using namespace DNS;
 
-DNSServer::DNSServer(Object* parent)
+DNSServer::DNSServer(Core::EventReceiver* parent)
     : Core::UDPServer(parent)
 {
     bind(IPv4Address(), 53);

Userland/Services/LookupServer/DNSServer.h

@@ -14,7 +14,7 @@ class DNSServer : public Core::UDPServer {
     C_OBJECT(DNSServer)
 
 private:
-    explicit DNSServer(Object* parent = nullptr);
+    explicit DNSServer(Core::EventReceiver* parent = nullptr);
 
     ErrorOr<void> handle_client();
 };

Userland/Services/LookupServer/LookupServer.h

@@ -9,8 +9,8 @@
 #include "ConnectionFromClient.h"
 #include "DNSServer.h"
 #include "MulticastDNS.h"
+#include <LibCore/EventReceiver.h>
 #include <LibCore/FileWatcher.h>
-#include <LibCore/Object.h>
 #include <LibDNS/Name.h>
 #include <LibDNS/Packet.h>
 #include <LibIPC/MultiServer.h>
@@ -19,7 +19,7 @@ namespace LookupServer {
 
 using namespace DNS;
 
-class LookupServer final : public Core::Object {
+class LookupServer final : public Core::EventReceiver {
     C_OBJECT(LookupServer);
 
 public:

Userland/Services/LookupServer/MulticastDNS.cpp

@@ -20,7 +20,7 @@
 
 namespace LookupServer {
 
-MulticastDNS::MulticastDNS(Object* parent)
+MulticastDNS::MulticastDNS(Core::EventReceiver* parent)
     : Core::UDPServer(parent)
     , m_hostname("courage.local")
 {

Userland/Services/LookupServer/MulticastDNS.h

@@ -24,7 +24,7 @@ public:
     ErrorOr<Vector<Answer>> lookup(Name const&, RecordType record_type);
 
 private:
-    explicit MulticastDNS(Object* parent = nullptr);
+    explicit MulticastDNS(Core::EventReceiver* parent = nullptr);
 
     void announce();
     ErrorOr<size_t> emit_packet(Packet const&, sockaddr_in const* destination = nullptr);

Userland/Services/SQLServer/DatabaseConnection.cpp

@@ -49,8 +49,7 @@ ErrorOr<NonnullRefPtr<DatabaseConnection>> DatabaseConnection::create(StringView
 }
 
 DatabaseConnection::DatabaseConnection(NonnullRefPtr<SQL::Database> database, DeprecatedString database_name, int client_id)
-    : Object()
-    , m_database(move(database))
+    : m_database(move(database))
     , m_database_name(move(database_name))
     , m_connection_id(s_next_connection_id++)
     , m_client_id(client_id)

Userland/Services/SQLServer/DatabaseConnection.h

@@ -7,7 +7,7 @@
 #pragma once
 
 #include <AK/NonnullRefPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibSQL/Database.h>
 #include <LibSQL/Result.h>
 #include <LibSQL/Type.h>
@@ -15,7 +15,7 @@
 
 namespace SQLServer {
 
-class DatabaseConnection final : public Core::Object {
+class DatabaseConnection final : public Core::EventReceiver {
     C_OBJECT_ABSTRACT(DatabaseConnection)
 
 public:

Userland/Services/SQLServer/SQLStatement.cpp

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibSQL/AST/Parser.h>
 #include <SQLServer/ConnectionFromClient.h>
 #include <SQLServer/DatabaseConnection.h>
@@ -35,7 +35,7 @@ SQL::ResultOr<NonnullRefPtr<SQLStatement>> SQLStatement::create(DatabaseConnecti
 }
 
 SQLStatement::SQLStatement(DatabaseConnection& connection, NonnullRefPtr<SQL::AST::Statement> statement)
-    : Core::Object(&connection)
+    : Core::EventReceiver(&connection)
     , m_statement_id(s_next_statement_id++)
     , m_statement(move(statement))
 {

Userland/Services/SQLServer/SQLStatement.h

@@ -8,7 +8,7 @@
 
 #include <AK/NonnullRefPtr.h>
 #include <AK/Vector.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibSQL/AST/AST.h>
 #include <LibSQL/Result.h>
 #include <LibSQL/ResultSet.h>
@@ -18,7 +18,7 @@
 
 namespace SQLServer {
 
-class SQLStatement final : public Core::Object {
+class SQLStatement final : public Core::EventReceiver {
     C_OBJECT_ABSTRACT(SQLStatement)
 
 public:

Userland/Services/SystemServer/Service.cpp

@@ -282,7 +282,7 @@ ErrorOr<void> Service::did_exit(int status)
 }
 
 Service::Service(Core::ConfigFile const& config, StringView name)
-    : Core::Object(nullptr)
+    : Core::EventReceiver(nullptr)
 {
     VERIFY(config.has_group(name));
 

Userland/Services/SystemServer/Service.h

@@ -10,10 +10,10 @@
 #include <AK/RefPtr.h>
 #include <LibCore/Account.h>
 #include <LibCore/ElapsedTimer.h>
+#include <LibCore/EventReceiver.h>
 #include <LibCore/Notifier.h>
-#include <LibCore/Object.h>
 
-class Service final : public Core::Object {
+class Service final : public Core::EventReceiver {
     C_OBJECT_ABSTRACT(Service)
 
 public:

Userland/Services/WebDriver/Client.cpp

@@ -20,7 +20,7 @@ namespace WebDriver {
 Atomic<unsigned> Client::s_next_session_id;
 HashMap<unsigned, NonnullRefPtr<Session>> Client::s_sessions;
 
-ErrorOr<NonnullRefPtr<Client>> Client::try_create(NonnullOwnPtr<Core::BufferedTCPSocket> socket, LaunchBrowserCallbacks callbacks, Core::Object* parent)
+ErrorOr<NonnullRefPtr<Client>> Client::try_create(NonnullOwnPtr<Core::BufferedTCPSocket> socket, LaunchBrowserCallbacks callbacks, Core::EventReceiver* parent)
 {
     if (!callbacks.launch_browser || !callbacks.launch_headless_browser)
         return Error::from_string_view("All callbacks to launch a browser must be provided"sv);
@@ -29,7 +29,7 @@ ErrorOr<NonnullRefPtr<Client>> Client::try_create(NonnullOwnPtr<Core::BufferedTC
     return adopt_nonnull_ref_or_enomem(new (nothrow) Client(move(socket), move(callbacks), parent));
 }
 
-Client::Client(NonnullOwnPtr<Core::BufferedTCPSocket> socket, LaunchBrowserCallbacks callbacks, Core::Object* parent)
+Client::Client(NonnullOwnPtr<Core::BufferedTCPSocket> socket, LaunchBrowserCallbacks callbacks, Core::EventReceiver* parent)
     : Web::WebDriver::Client(move(socket), parent)
     , m_callbacks(move(callbacks))
 {

Userland/Services/WebDriver/Client.h

@@ -10,7 +10,7 @@
 
 #include <AK/Function.h>
 #include <AK/NonnullRefPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibWeb/WebDriver/Client.h>
 #include <LibWeb/WebDriver/Error.h>
 #include <LibWeb/WebDriver/Response.h>
@@ -27,13 +27,13 @@ class Client final : public Web::WebDriver::Client {
     C_OBJECT_ABSTRACT(Client);
 
 public:
-    static ErrorOr<NonnullRefPtr<Client>> try_create(NonnullOwnPtr<Core::BufferedTCPSocket>, LaunchBrowserCallbacks, Core::Object* parent);
+    static ErrorOr<NonnullRefPtr<Client>> try_create(NonnullOwnPtr<Core::BufferedTCPSocket>, LaunchBrowserCallbacks, Core::EventReceiver* parent);
     virtual ~Client() override;
 
     void close_session(unsigned session_id);
 
 private:
-    Client(NonnullOwnPtr<Core::BufferedTCPSocket>, LaunchBrowserCallbacks, Core::Object* parent);
+    Client(NonnullOwnPtr<Core::BufferedTCPSocket>, LaunchBrowserCallbacks, Core::EventReceiver* parent);
 
     ErrorOr<NonnullRefPtr<Session>, Web::WebDriver::Error> find_session_with_id(StringView session_id);
 

Userland/Services/WebServer/Client.cpp

@@ -29,8 +29,8 @@
 
 namespace WebServer {
 
-Client::Client(NonnullOwnPtr<Core::BufferedTCPSocket> socket, Core::Object* parent)
-    : Core::Object(parent)
+Client::Client(NonnullOwnPtr<Core::BufferedTCPSocket> socket, Core::EventReceiver* parent)
+    : Core::EventReceiver(parent)
     , m_socket(move(socket))
 {
 }

Userland/Services/WebServer/Client.h

@@ -8,21 +8,21 @@
 #pragma once
 
 #include <AK/String.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibCore/Socket.h>
 #include <LibHTTP/Forward.h>
 #include <LibHTTP/HttpRequest.h>
 
 namespace WebServer {
 
-class Client final : public Core::Object {
+class Client final : public Core::EventReceiver {
     C_OBJECT(Client);
 
 public:
     void start();
 
 private:
-    Client(NonnullOwnPtr<Core::BufferedTCPSocket>, Core::Object* parent);
+    Client(NonnullOwnPtr<Core::BufferedTCPSocket>, Core::EventReceiver* parent);
 
     using WrappedError = Variant<AK::Error, HTTP::HttpRequest::ParseError>;
 

Userland/Services/WindowServer/AppletManager.h

@@ -11,7 +11,7 @@
 
 namespace WindowServer {
 
-class AppletManager : public Core::Object {
+class AppletManager : public Core::EventReceiver {
     C_OBJECT(AppletManager)
 public:
     ~AppletManager() = default;

Userland/Services/WindowServer/Compositor.h

@@ -8,7 +8,7 @@
 
 #include <AK/OwnPtr.h>
 #include <AK/RefPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibGfx/Color.h>
 #include <LibGfx/DisjointRectSet.h>
 #include <LibGfx/Font/Font.h>
@@ -87,7 +87,7 @@ struct CompositorScreenData {
     }
 };
 
-class Compositor final : public Core::Object {
+class Compositor final : public Core::EventReceiver {
     C_OBJECT(Compositor)
     friend struct CompositorScreenData;
     friend class Overlay;

Userland/Services/WindowServer/ConnectionFromClient.h

@@ -12,7 +12,7 @@
 #include <AK/Optional.h>
 #include <AK/OwnPtr.h>
 #include <AK/WeakPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/Rect.h>
 #include <LibIPC/ConnectionFromClient.h>

Userland/Services/WindowServer/KeymapSwitcher.h

@@ -9,14 +9,14 @@
 #include <AK/DeprecatedString.h>
 #include <AK/Vector.h>
 #include <AK/WeakPtr.h>
+#include <LibCore/EventReceiver.h>
 #include <LibCore/FileWatcher.h>
-#include <LibCore/Object.h>
 #include <LibKeyboard/CharacterMap.h>
 #include <WindowServer/WMConnectionFromClient.h>
 
 namespace WindowServer {
 
-class KeymapSwitcher final : public Core::Object {
+class KeymapSwitcher final : public Core::EventReceiver {
     C_OBJECT(KeymapSwitcher)
 public:
     virtual ~KeymapSwitcher() override = default;

Userland/Services/WindowServer/Menu.cpp

@@ -39,7 +39,7 @@ u32 find_ampersand_shortcut_character(StringView string)
 }
 
 Menu::Menu(ConnectionFromClient* client, int menu_id, String name)
-    : Core::Object(client)
+    : Core::EventReceiver(client)
     , m_client(client)
     , m_menu_id(menu_id)
     , m_name(move(name))
@@ -491,7 +491,7 @@ void Menu::event(Core::Event& event)
             return;
         }
     }
-    Core::Object::event(event);
+    Core::EventReceiver::event(event);
 }
 
 void Menu::clear_hovered_item()

Userland/Services/WindowServer/Menu.h

@@ -8,7 +8,7 @@
 
 #include <AK/DeprecatedString.h>
 #include <AK/WeakPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibGfx/Font/Font.h>
 #include <LibGfx/Font/FontDatabase.h>
 #include <LibGfx/Forward.h>
@@ -23,7 +23,7 @@ class ConnectionFromClient;
 class Menubar;
 class Window;
 
-class Menu final : public Core::Object {
+class Menu final : public Core::EventReceiver {
     C_OBJECT(Menu);
 
 public:

Userland/Services/WindowServer/MenuManager.cpp

@@ -149,7 +149,7 @@ void MenuManager::event(Core::Event& event)
         }
     }
 
-    return Core::Object::event(event);
+    return Core::EventReceiver::event(event);
 }
 
 void MenuManager::handle_mouse_event(MouseEvent& mouse_event)

Userland/Services/WindowServer/MenuManager.h

@@ -14,7 +14,7 @@
 
 namespace WindowServer {
 
-class MenuManager final : public Core::Object {
+class MenuManager final : public Core::EventReceiver {
     C_OBJECT(MenuManager);
 
 public:

Userland/Services/WindowServer/Window.cpp

@@ -84,8 +84,8 @@ static Gfx::Bitmap& move_icon()
     return *s_icon;
 }
 
-Window::Window(Core::Object& parent, WindowType type)
-    : Core::Object(&parent)
+Window::Window(Core::EventReceiver& parent, WindowType type)
+    : Core::EventReceiver(&parent)
     , m_type(type)
     , m_icon(default_window_icon())
     , m_frame(*this)
@@ -95,7 +95,7 @@ Window::Window(Core::Object& parent, WindowType type)
 }
 
 Window::Window(ConnectionFromClient& client, WindowType window_type, WindowMode window_mode, int window_id, bool minimizable, bool closeable, bool frameless, bool resizable, bool fullscreen, Window* parent_window)
-    : Core::Object(&client)
+    : Core::EventReceiver(&client)
     , m_client(&client)
     , m_type(window_type)
     , m_mode(window_mode)

Userland/Services/WindowServer/Window.h

@@ -10,7 +10,7 @@
 #include <AK/DeprecatedString.h>
 #include <AK/IntrusiveList.h>
 #include <AK/WeakPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/DisjointRectSet.h>
 #include <LibGfx/Rect.h>
@@ -81,7 +81,7 @@ enum class WindowMinimizedState : u32 {
     Hidden,
 };
 
-class Window final : public Core::Object {
+class Window final : public Core::EventReceiver {
     C_OBJECT(Window);
 
 public:
@@ -375,7 +375,7 @@ public:
 
 private:
     Window(ConnectionFromClient&, WindowType, WindowMode, int window_id, bool minimizable, bool closeable, bool frameless, bool resizable, bool fullscreen, Window* parent_window = nullptr);
-    Window(Core::Object&, WindowType);
+    Window(Core::EventReceiver&, WindowType);
 
     virtual void event(Core::Event&) override;
     void handle_mouse_event(MouseEvent const&);

Userland/Services/WindowServer/WindowManager.cpp

@@ -1559,7 +1559,7 @@ void WindowManager::event(Core::Event& event)
         return;
     }
 
-    Core::Object::event(event);
+    Core::EventReceiver::event(event);
 }
 
 bool WindowManager::is_window_in_modal_chain(Window& chain_window, Window& other_window)

Userland/Services/WindowServer/WindowManager.h

@@ -45,7 +45,7 @@ class DndOverlay;
 class WindowGeometryOverlay;
 class TileWindowOverlay;
 
-class WindowManager : public Core::Object {
+class WindowManager : public Core::EventReceiver {
     C_OBJECT(WindowManager)
 
     friend class Compositor;

Userland/Services/WindowServer/WindowSwitcher.h

@@ -8,7 +8,7 @@
 
 #include <AK/Vector.h>
 #include <AK/WeakPtr.h>
-#include <LibCore/Object.h>
+#include <LibCore/EventReceiver.h>
 #include <LibGfx/Forward.h>
 #include <LibGfx/Rect.h>
 
@@ -17,7 +17,7 @@ namespace WindowServer {
 class KeyEvent;
 class Window;
 
-class WindowSwitcher final : public Core::Object {
+class WindowSwitcher final : public Core::EventReceiver {
     C_OBJECT(WindowSwitcher)
 public:
     enum class Mode {