Issue 119 - Switch to injecting CSS for element hiding

src/plugin/PluginClass.h

Index: src/plugin/PluginClass.h
diff --git a/src/plugin/PluginClass.h b/src/plugin/PluginClass.h
index 00e4321095ec5201c202980bfa83eb0d6f54358b..1a304d85524b92500c91337c28ade7c7809441e4 100644
--- a/src/plugin/PluginClass.h
+++ b/src/plugin/PluginClass.h
@@ -25,7 +25,7 @@
 #define WM_WHITELIST_DOMAIN		        (WM_LAUNCH_INFO + 1)
 
 class CPluginMimeFilterClient;
-
+class WebBrowserEventsListener;
 
 class ATL_NO_VTABLE CPluginClass :
   public ATL::CComObjectRootEx<ATL::CComMultiThreadModel>,
@@ -37,10 +37,6 @@ class ATL_NO_VTABLE CPluginClass :
 
   friend class CPluginTab;
 
-private:
-
-  CPluginTab* m_tab;
-
 public:
 
   DECLARE_REGISTRY_RESOURCEID(IDR_PLUGIN_CLASS)
@@ -134,8 +130,6 @@ private:
   void ShowStatusBar();
   bool IsStatusBarEnabled();
 
-public:
-  CComQIPtr<IWebBrowser2> m_webBrowser2;
 private:
   HWND m_hBrowserWnd;
   HWND m_hTabWnd;
@@ -145,6 +139,15 @@ private:
   WNDPROC m_pWndProcStatus;
   int m_nPaneWidth;
   HANDLE m_hTheme;
+  struct Data
+  {
+    std::map<IWebBrowser2*, WebBrowserEventsListener*> connectedWebBrowsersCache;
+    std::unique_ptr<CPluginTab> tab;
+    ATL::CComPtr<IWebBrowser2> webBrowser2;
+  };
+  // we need to have it as a shared pointer to get weak pointer to it to avoid
+  // wrong usage after destroying of this class.
+  std::shared_ptr<Data> m_data;
 
   CriticalSection m_csStatusBar;