Initial rodecomp source snapshot

Source/Client/WebEventReceiver.h

@@ -0,0 +1,46 @@
+#ifndef RAGNAROK_SOURCE_CLIENT_WEBEVENTRECEIVER_H
+#define RAGNAROK_SOURCE_CLIENT_WEBEVENTRECEIVER_H
+
+#include "Client/BrowserInterface.h"
+
+struct BrowserRegistry;
+
+// Original receiver starts with zero references. Caller acquires its owning
+// reference before registration. Destruction only reports diagnostics; explicit
+// Disconnect performs COM and registry teardown, not the destructor.
+class CWebEventReceiver final : public IDispatch {
+public:
+  explicit CWebEventReceiver(BrowserRegistry& registry);
+  bool Register(IWebBrowser2* browser, HWND host);
+  HRESULT Disconnect();
+
+  HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** output) override;
+  ULONG STDMETHODCALLTYPE AddRef() override;
+  ULONG STDMETHODCALLTYPE Release() override;
+  HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT* count) override;
+  HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT index, LCID locale, ITypeInfo** output) override;
+  HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID iid, LPOLESTR* names, UINT count, LCID locale, DISPID* ids) override;
+  HRESULT STDMETHODCALLTYPE Invoke(
+    DISPID id,
+    REFIID iid,
+    LCID locale,
+    WORD flags,
+    DISPPARAMS* args,
+    VARIANT* result,
+    EXCEPINFO* error,
+    UINT* argumentError
+  ) override;
+
+private:
+  ~CWebEventReceiver();
+  LONG m_references;
+  IWebBrowser2* m_browser;
+  DWORD m_browserCookie;
+  IDispatch* m_document;
+  DWORD m_documentCookie;
+  HWND m_host;
+  BrowserRegistry& m_registry;
+  void ReleaseDocument();
+};
+
+#endif