Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/Platform/Timer.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/RefCounted.h>
+#include <LibJS/Heap/Cell.h>
+
+namespace Web::Platform {
+
+class Timer : public JS::Cell {
+    JS_CELL(Timer, JS::Cell);
+
+public:
+    static JS::NonnullGCPtr<Timer> create(JS::Heap&);
+    static JS::NonnullGCPtr<Timer> create_repeating(JS::Heap&, int interval_ms, JS::GCPtr<JS::HeapFunction<void()>> timeout_handler);
+    static JS::NonnullGCPtr<Timer> create_single_shot(JS::Heap&, int interval_ms, JS::GCPtr<JS::HeapFunction<void()>> timeout_handler);
+
+    virtual ~Timer();
+
+    virtual void start() = 0;
+    virtual void start(int interval_ms) = 0;
+    virtual void restart() = 0;
+    virtual void restart(int interval_ms) = 0;
+    virtual void stop() = 0;
+
+    virtual void set_active(bool) = 0;
+
+    virtual bool is_active() const = 0;
+    virtual int interval() const = 0;
+    virtual void set_interval(int interval_ms) = 0;
+
+    virtual bool is_single_shot() const = 0;
+    virtual void set_single_shot(bool) = 0;
+
+    JS::GCPtr<JS::HeapFunction<void()>> on_timeout;
+
+protected:
+    virtual void visit_edges(JS::Cell::Visitor&) override;
+};
+
+}