1 files changed, 92 insertions, 0 deletions
diff --git a/xbmc/windowing/wayland/ShellSurface.h b/xbmc/windowing/wayland/ShellSurface.h
new file mode 100644
index 0000000..08690cc
--- /dev/null
+++ b/xbmc/windowing/wayland/ShellSurface.h
@@ -0,0 +1,92 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "utils/Geometry.h"
+
+#include <bitset>
+#include <cstdint>
+
+#include <wayland-client.hpp>
+
+namespace KODI
+{
+namespace WINDOWING
+{
+namespace WAYLAND
+{
+
+class IShellSurfaceHandler;
+
+/**
+ * Abstraction for shell surfaces to support multiple protocols
+ * such as wl_shell (for compatibility) and xdg_shell (for features)
+ *
+ * The interface itself is modeled after xdg_shell, so see there for the meaning
+ * of e.g. the surface states
+ */
+class IShellSurface
+{
+public:
+  // Not enum class since it must be used like a bitfield
+  enum State
+  {
+    STATE_MAXIMIZED = 0,
+    STATE_FULLSCREEN,
+    STATE_RESIZING,
+    STATE_ACTIVATED,
+    STATE_COUNT
+  };
+  using StateBitset = std::bitset<STATE_COUNT>;
+  static std::string StateToString(StateBitset state);
+
+  /**
+   * Initialize shell surface
+   *
+   * The event loop thread MUST NOT be running when this function is called.
+   * The difference to the constructor is that in this function callbacks may
+   * already be called.
+   */
+  virtual void Initialize() = 0;
+
+  virtual void SetFullScreen(wayland::output_t const& output, float refreshRate) = 0;
+  virtual void SetWindowed() = 0;
+  virtual void SetMaximized() = 0;
+  virtual void UnsetMaximized() = 0;
+  virtual void SetMinimized() = 0;
+  virtual void SetWindowGeometry(CRectInt geometry) = 0;
+
+  virtual void AckConfigure(std::uint32_t serial) = 0;
+
+  virtual void StartMove(wayland::seat_t const& seat, std::uint32_t serial) = 0;
+  virtual void StartResize(wayland::seat_t const& seat, std::uint32_t serial, wayland::shell_surface_resize edge) = 0;
+  virtual void ShowShellContextMenu(wayland::seat_t const& seat, std::uint32_t serial, CPointInt position) = 0;
+
+  virtual ~IShellSurface() = default;
+
+protected:
+  IShellSurface() noexcept = default;
+
+private:
+  IShellSurface(IShellSurface const& other) = delete;
+  IShellSurface& operator=(IShellSurface const& other) = delete;
+};
+
+class IShellSurfaceHandler
+{
+public:
+  virtual void OnConfigure(std::uint32_t serial, CSizeInt size, IShellSurface::StateBitset state) = 0;
+  virtual void OnClose() = 0;
+
+  virtual ~IShellSurfaceHandler() = default;
+};
+
+}
+}
+}