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908455ab06
If, by the time we need to schedule rendering of the next frame, the previous one is still not processed, we could skip it instead of growing task queue. Should help with https://github.com/LadybirdBrowser/ladybird/issues/1647
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/*
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* Copyright (c) 2021-2024, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Queue.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibWeb/HTML/EventLoop/Task.h>
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namespace Web::HTML {
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class TaskQueue : public JS::Cell {
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JS_CELL(TaskQueue, JS::Cell);
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JS_DECLARE_ALLOCATOR(TaskQueue);
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public:
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explicit TaskQueue(HTML::EventLoop&);
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virtual ~TaskQueue() override;
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bool is_empty() const { return m_tasks.is_empty(); }
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bool has_runnable_tasks() const;
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bool has_rendering_tasks() const;
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void add(JS::NonnullGCPtr<HTML::Task>);
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JS::GCPtr<HTML::Task> take_first_runnable();
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void enqueue(JS::NonnullGCPtr<HTML::Task> task) { add(task); }
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JS::GCPtr<HTML::Task> dequeue()
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{
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if (m_tasks.is_empty())
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return {};
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return m_tasks.take_first();
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}
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void remove_tasks_matching(Function<bool(HTML::Task const&)>);
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JS::MarkedVector<JS::NonnullGCPtr<Task>> take_tasks_matching(Function<bool(HTML::Task const&)>);
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Task const* last_added_task() const;
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private:
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virtual void visit_edges(Visitor&) override;
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JS::NonnullGCPtr<HTML::EventLoop> m_event_loop;
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Vector<JS::NonnullGCPtr<HTML::Task>> m_tasks;
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};
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}
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