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#pragma once
#include <vector>
#include "../../helpers/memory/Memory.hpp"
#include "../../protocols/types/Buffer.hpp"
#include "../../render/Framebuffer.hpp"
#include "../eventLoop/EventLoopTimer.hpp"
#include "../../render/Renderer.hpp"
// TODO: do screenshare damage
class CWLPointerResource;
namespace Screenshare {
enum eScreenshareType : uint8_t {
SHARE_MONITOR,
SHARE_WINDOW,
SHARE_REGION,
SHARE_NONE
};
enum eScreenshareError : uint8_t {
ERROR_NONE,
ERROR_UNKNOWN,
ERROR_STOPPED,
ERROR_NO_BUFFER,
ERROR_BUFFER_SIZE,
ERROR_BUFFER_FORMAT
};
enum eScreenshareResult : uint8_t {
RESULT_COPIED,
RESULT_NOT_COPIED,
RESULT_TIMESTAMP,
};
using FScreenshareCallback = std::function<void(eScreenshareResult result)>;
using FSourceBoxCallback = std::function<CBox(void)>;
class CScreenshareSession {
public:
CScreenshareSession(const CScreenshareSession&) = delete;
CScreenshareSession(CScreenshareSession&&) = delete;
~CScreenshareSession();
UP<CScreenshareFrame> nextFrame(bool overlayCursor);
void stop();
bool isActive();
// constraints
const std::vector<DRMFormat>& allowedFormats() const;
Vector2D bufferSize() const;
PHLMONITOR monitor() const; // this will return the correct monitor based on type
struct {
CSignalT<> stopped;
CSignalT<> constraintsChanged;
} m_events;
private:
CScreenshareSession(PHLMONITOR monitor, wl_client* client);
CScreenshareSession(PHLMONITOR monitor, CBox captureRegion, wl_client* client);
CScreenshareSession(PHLWINDOW window, wl_client* client);
WP<CScreenshareSession> m_self;
bool m_stopped = false;
eScreenshareType m_type = SHARE_NONE;
PHLMONITORREF m_monitor;
PHLWINDOWREF m_window;
CBox m_captureBox = {}; // given capture area in logical coordinates (see xdg_output)
wl_client* m_client = nullptr;
std::string m_name = "";
std::vector<DRMFormat> m_formats;
Vector2D m_bufferSize = Vector2D(0, 0);
SP<Render::IFramebuffer> m_tempFB;
SP<CEventLoopTimer> m_shareStopTimer;
bool m_sharing = false;
struct {
CHyprSignalListener monitorDestroyed;
CHyprSignalListener monitorModeChanged;
CHyprSignalListener windowDestroyed;
CHyprSignalListener windowSizeChanged;
CHyprSignalListener windowMonitorChanged;
} m_listeners;
void screenshareEvents(bool started);
void calculateConstraints();
void init();
friend class CScreenshareFrame;
friend class CScreenshareManager;
};
class CCursorshareSession {
public:
CCursorshareSession(const CCursorshareSession&) = delete;
CCursorshareSession(CCursorshareSession&&) = delete;
~CCursorshareSession();
eScreenshareError share(PHLMONITOR monitor, SP<IHLBuffer> buffer, FSourceBoxCallback sourceBoxCallback, FScreenshareCallback callback);
void stop();
// constraints
DRMFormat format() const;
Vector2D bufferSize() const;
Vector2D hotspot() const;
struct {
CSignalT<> stopped;
CSignalT<> constraintsChanged;
} m_events;
private:
CCursorshareSession(wl_client* client, WP<CWLPointerResource> pointer);
WP<CCursorshareSession> m_self;
bool m_stopped = false;
bool m_constraintsChanged = true;
wl_client* m_client = nullptr;
WP<CWLPointerResource> m_pointer;
// constraints
DRMFormat m_format = 0 /* DRM_FORMAT_INVALID */;
Vector2D m_hotspot = Vector2D(0, 0);
Vector2D m_bufferSize = Vector2D(0, 0);
struct {
bool pending = false;
PHLMONITOR monitor;
SP<IHLBuffer> buffer;
FSourceBoxCallback sourceBoxCallback;
FScreenshareCallback callback;
} m_pendingFrame;
struct {
CHyprSignalListener pointerDestroyed;
CHyprSignalListener cursorChanged;
} m_listeners;
bool copy();
void render();
void calculateConstraints();
friend class CScreenshareFrame;
friend class CScreenshareManager;
};
class CScreenshareFrame {
public:
CScreenshareFrame(const CScreenshareFrame&) = delete;
CScreenshareFrame(CScreenshareFrame&&) = delete;
CScreenshareFrame(WP<CScreenshareSession> session, bool overlayCursor, bool isFirst);
~CScreenshareFrame();
bool done() const;
eScreenshareError share(SP<IHLBuffer> buffer, const CRegion& damage, FScreenshareCallback callback);
Vector2D bufferSize() const;
wl_output_transform transform() const; // returns the transform applied by compositor on the buffer
const CRegion& damage() const;
private:
WP<CScreenshareFrame> m_self;
WP<CScreenshareSession> m_session;
FScreenshareCallback m_callback;
SP<IHLBuffer> m_buffer;
Vector2D m_bufferSize = Vector2D(0, 0);
CRegion m_damage; // damage in buffer coords
bool m_shared = false, m_copied = false, m_failed = false;
bool m_overlayCursor = true;
bool m_isFirst = false;
//
void copy();
bool copyDmabuf();
bool copyShm();
void render();
void renderMonitor();
void renderMonitorRegion();
void renderWindow();
void storeTempFB();
friend class CScreenshareManager;
friend class CScreenshareSession;
};
class CScreenshareManager {
public:
CScreenshareManager();
UP<CScreenshareSession> newSession(wl_client* client, PHLMONITOR monitor);
UP<CScreenshareSession> newSession(wl_client* client, PHLMONITOR monitor, CBox captureRegion);
UP<CScreenshareSession> newSession(wl_client* client, PHLWINDOW window);
WP<CScreenshareSession> getManagedSession(wl_client* client, PHLMONITOR monitor);
WP<CScreenshareSession> getManagedSession(wl_client* client, PHLMONITOR monitor, CBox captureBox);
WP<CScreenshareSession> getManagedSession(wl_client* client, PHLWINDOW window);
UP<CCursorshareSession> newCursorSession(wl_client* client, WP<CWLPointerResource> pointer);
void onOutputCommit(PHLMONITOR monitor);
bool isOutputBeingSSd(PHLMONITOR monitor);
private:
std::vector<WP<CScreenshareSession>> m_sessions;
std::vector<WP<CCursorshareSession>> m_cursorSessions;
std::vector<WP<CScreenshareFrame>> m_pendingFrames;
struct SManagedSession {
SManagedSession(UP<CScreenshareSession>&& session);
UP<CScreenshareSession> m_session;
CHyprSignalListener stoppedListener;
};
std::vector<UP<SManagedSession>> m_managedSessions;
WP<CScreenshareSession> getManagedSession(eScreenshareType type, wl_client* client, PHLMONITOR monitor, PHLWINDOW window, CBox captureBox);
friend class CScreenshareSession;
};
inline UP<CScreenshareManager>& mgr() {
static UP<CScreenshareManager> manager = nullptr;
if (!manager && g_pHyprRenderer) {
Log::logger->log(Log::DEBUG, "Starting ScreenshareManager");
manager = makeUnique<CScreenshareManager>();
}
return manager;
}
}
template <>
struct std::formatter<Screenshare::eScreenshareType> : std::formatter<std::string> {
auto format(const Screenshare::eScreenshareType& res, std::format_context& ctx) const {
switch (res) {
case Screenshare::SHARE_MONITOR: return formatter<string>::format("monitor", ctx);
case Screenshare::SHARE_WINDOW: return formatter<string>::format("window", ctx);
case Screenshare::SHARE_REGION: return formatter<string>::format("region", ctx);
case Screenshare::SHARE_NONE: return formatter<string>::format("ERR NONE", ctx);
}
return formatter<string>::format("error", ctx);
}
};
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