ratelimiter.h

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// SPDX-FileCopyrightText: 2025 Manuel Schneider
// SPDX-License-Identifier: MIT
 
#pragma once
#include <QObject>
#include <albert/export.h>
#include <memory>
 
namespace albert::detail
{
class RateLimiterPrivate;
 
class ALBERT_EXPORT Acquire : public QObject
{
    Q_OBJECT
public:
    Acquire();
    ~Acquire() override;
 
    bool isGranted();
 
    bool await(std::function<bool()> stop_requested);
 
signals:
    void granted();
 
private:
    class Private;
    std::unique_ptr<Private> d;
 
    friend class RateLimiterPrivate;
};
 
class ALBERT_EXPORT RateLimiter : public QObject
{
    Q_OBJECT
public:
    RateLimiter(uint delay);
    ~RateLimiter() override;
 
    void setDelay(uint delay);
    uint delay() const;
 
    std::unique_ptr<Acquire> acquire();
 
private:
    std::unique_ptr<RateLimiterPrivate> d;
};
 
}  // namespace albert::detail