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#pragma once

#include "../defines.hpp"
#include "wlr-foreign-toplevel-management-unstable-v1-protocol.h"
#include "hyprland-toplevel-export-v1-protocol.h"

#include <list>
#include <vector>

class CMonitor;
class CWindow;

struct SToplevelClient {
    int ref = 0;
    wl_resource* resource = nullptr;

    bool operator==(const SToplevelClient& other) {
        return resource == other.resource;
    }
};

struct SToplevelFrame {
    wl_resource* resource = nullptr;
    SToplevelClient* client = nullptr;

    uint32_t    shmFormat = 0;
    uint32_t    dmabufFormat = 0;
    wlr_box     box = { 0 };
    int         shmStride = 0;

    bool        overlayCursor = false;

    wlr_buffer_cap bufferCap = WLR_BUFFER_CAP_SHM;

    wlr_buffer* buffer = nullptr;

    CWindow*    pWindow = nullptr;

    bool operator==(const SToplevelFrame& other) { 
        return resource == other.resource && client == other.client;
    }
};

class CToplevelExportProtocolManager {
public:
    CToplevelExportProtocolManager();

    void        bindManager(wl_client* client, void* data, uint32_t version, uint32_t id);
    void        captureToplevel(wl_client* client, wl_resource* resource, uint32_t frame, int32_t overlay_cursor, CWindow* handle);
    void        removeClient(SToplevelClient* client, bool force = false);
    void        removeFrame(SToplevelFrame* frame, bool force = false);
    void        copyFrame(wl_client* client, wl_resource* resource, wl_resource* buffer, int32_t ignore_damage);

    void        onMonitorRender(CMonitor* pMonitor);
    void        displayDestroy();
    void        onWindowUnmap(CWindow* pWindow);

private:
    wl_global*                  m_pGlobal = nullptr;
    std::list<SToplevelFrame>   m_lFrames;
    std::list<SToplevelClient>  m_lClients;

    wl_listener                 m_liDisplayDestroy;

    std::vector<SToplevelFrame*> m_vFramesAwaitingWrite;

    void        shareFrame(SToplevelFrame* frame);
    bool        copyFrameDmabuf(SToplevelFrame* frame);
    bool        copyFrameShm(SToplevelFrame* frame, timespec* now);
};