Issue #1356 - Improve detection of the issuer of the request

src/plugin/PluginClass.cpp

 #include "PluginStdAfx.h"
 
 #include "PluginClass.h"
 #include "PluginSettings.h"
 #include "PluginSystem.h"
 #ifdef SUPPORT_FILTER
 #include "PluginFilter.h"
 #endif
 #include "PluginMimeFilterClient.h"
 #include "PluginClient.h"
@@ skipping 1119 matching lines @@
     if (it != s_threadInstances.end())
     {
       tab = it->second->m_tab;
     }
   }
   s_criticalSectionLocal.Unlock();
 
   return tab;
 }
 
+CPluginTab* CPluginClass::GetTab(const std::wstring& url)
+{
+  CPluginTab* tab = NULL;
+
+  s_criticalSectionLocal.Lock();
+  {
+    std::map<DWORD,CPluginClass*>::const_iterator it;
+    for (it = s_threadInstances.begin(); it != s_threadInstances.end(); it++)
+    {
+      if (it->second->GetBrowserUrl() == url.c_str())
+      {
+        return it->second->m_tab;
+      }
+    }
+  }
+  s_criticalSectionLocal.Unlock();
+
+  return tab;
+}
+
 
 STDMETHODIMP CPluginClass::QueryStatus(const GUID* pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[], OLECMDTEXT* pCmdText)
 {
   if (cCmds == 0) return E_INVALIDARG;
   if (prgCmds == 0) return E_POINTER;
 
   prgCmds[0].cmdf = OLECMDF_ENABLED;
 
   return S_OK;
 }
@@ skipping 851 matching lines @@
         }
       }
     }
 
     hTabWnd = ::GetWindow(hTabWnd, GW_HWNDNEXT);
   }
 
   return hTabWnd;
 
 }