ext-foreign-toplevel: add implementation

src/protocols/ForeignToplevel.hpp

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+#include <unordered_map>
+#include "WaylandProtocol.hpp"
+#include "ext-foreign-toplevel-list-v1.hpp"
+
+class CForeignToplevelHandle {
+  public:
+    CForeignToplevelHandle(SP<CExtForeignToplevelHandleV1> resource_, CWindow* pWindow);
+
+    bool     good();
+    CWindow* window();
+
+  private:
+    SP<CExtForeignToplevelHandleV1> resource;
+    CWindow*                        pWindow = nullptr;
+    bool                            closed  = false;
+
+    friend class CForeignToplevelList;
+};
+
+class CForeignToplevelList {
+  public:
+    CForeignToplevelList(SP<CExtForeignToplevelListV1> resource_);
+
+    void onMap(CWindow* pWindow);
+    void onTitle(CWindow* pWindow);
+    void onClass(CWindow* pWindow);
+    void onUnmap(CWindow* pWindow);
+
+    bool good();
+
+  private:
+    SP<CExtForeignToplevelListV1>           resource;
+    bool                                    finished = false;
+
+    SP<CForeignToplevelHandle>              handleForWindow(CWindow* pWindow);
+
+    std::vector<WP<CForeignToplevelHandle>> handles;
+};
+
+class CForeignToplevelProtocol : public IWaylandProtocol {
+  public:
+    CForeignToplevelProtocol(const wl_interface* iface, const int& ver, const std::string& name);
+
+    virtual void bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id);
+
+  private:
+    void onManagerResourceDestroy(CForeignToplevelList* mgr);
+    void destroyHandle(CForeignToplevelHandle* handle);
+
+    //
+    std::vector<UP<CForeignToplevelList>>   m_vManagers;
+    std::vector<SP<CForeignToplevelHandle>> m_vHandles;
+
+    friend class CForeignToplevelList;
+    friend class CForeignToplevelHandle;
+};
+
+namespace PROTO {
+    inline UP<CForeignToplevelProtocol> foreignToplevel;
+};