fixed crash on startup under GTK

[wxWidgets.git] / src / msw / dialup.cpp

diff --git a/src/msw/dialup.cpp b/src/msw/dialup.cpp
index 3dae96970fc57d31ef1be302126446fac88c493c..3ccfba7a7fa5f5c79df8b8b89d5fdd3c808d7a73 100644 (file)
--- a/src/msw/dialup.cpp
+++ b/src/msw/dialup.cpp
@@ -48,11 +48,13 @@
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_CONNECTED)
 DEFINE_EVENT_TYPE(wxEVT_DIALUP_DISCONNECTED)
 
-// Doesn't yet compile under VC++ 4, BC++, Watcom C++: no wininet.h
-#if !defined(__BORLANDC__) && \
+// Doesn't yet compile under VC++ 4, BC++, Watcom C++,
+// Wine: no wininet.h
+#if (!defined(__BORLANDC__) || (__BORLANDC__>=0x550)) && \
     (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION(0, 5)) && \
     !defined(__GNUWIN32_OLD__) && \
     !defined(__WATCOMC__) && \
+    !defined(__WINE__) && \
     (!defined(__VISUALC__) || (__VISUALC__ >= 1020))
 
 #include <ras.h>
@@ -213,6 +215,8 @@ private:
 
     private:
         wxDialUpManagerMSW *m_dialUpManager;
+
+        DECLARE_NO_COPY_CLASS(RasTimer)
     } m_timerStatusPolling;
 
     // thread handle for the thread sitting on connection change event
@@ -223,7 +227,7 @@ private:
     wxRasThreadData m_data;
 
     // the handle of rasapi32.dll when it's loaded
-    wxPluginManager m_dllRas;
+    wxDynamicLibrary m_dllRas;
 
     // the hidden window we use for passing messages between threads
     static HWND ms_hwndRas;
@@ -231,12 +235,6 @@ private:
     // the handle of the connection we initiated or 0 if none
     static HRASCONN ms_hRasConnection;
 
-    // FIXME: There is probably no reason these really need to
-    //        be static anymore since the dll refcounting is
-    //        handled by wxPluginManager now.  Whether or not
-    //        we still _want_ them to be static is another
-    //        issue entirely..
-
     // the pointers to RAS functions
     static RASDIAL ms_pfnRasDial;
     static RASENUMCONNECTIONS ms_pfnRasEnumConnections;
@@ -266,12 +264,10 @@ private:
     // this flag tells us if we're online
     static int ms_isConnected;
 
-    // this flag is the result of the call to IsAlwaysOnline() (-1 if not
-    // called yet)
-    static int ms_isAlwaysOnline;
-
     // this flag tells us whether a call to RasDial() is in progress
     static wxDialUpManagerMSW *ms_dialer;
+
+    DECLARE_NO_COPY_CLASS(wxDialUpManagerMSW)
 };
 
 // ----------------------------------------------------------------------------
@@ -321,7 +317,6 @@ RASCONNECTIONNOTIFICATION wxDialUpManagerMSW::ms_pfnRasConnectionNotification =
 
 int wxDialUpManagerMSW::ms_userSpecifiedOnlineStatus = -1;
 int wxDialUpManagerMSW::ms_isConnected = -1;
-int wxDialUpManagerMSW::ms_isAlwaysOnline = -1;
 wxDialUpManagerMSW *wxDialUpManagerMSW::ms_dialer = NULL;
 
 // ----------------------------------------------------------------------------
@@ -340,8 +335,8 @@ wxDialUpManager *wxDialUpManager::Create()
 #endif // VC++
 
 wxDialUpManagerMSW::wxDialUpManagerMSW()
-                  : m_timerStatusPolling(this)
-                  , m_dllRas(_T("RASAPI32"))
+                  : m_timerStatusPolling(this),
+                    m_dllRas(_T("RASAPI32"))
 {
     // initialize our data
     m_hThread = 0;
@@ -926,20 +921,16 @@ bool wxDialUpManagerMSW::HangUp()
 
 bool wxDialUpManagerMSW::IsAlwaysOnline() const
 {
-    // we cache the result (presumably this won't change while the program is
-    // running!)
-    if ( ms_isAlwaysOnline != -1 )
-    {
-        return ms_isAlwaysOnline != 0;
-    }
+    // assume no permanent connection by default
+    bool isAlwaysOnline = FALSE;
 
-    // try to use WinInet function first
+    // try to use WinInet functions
 
     // NB: we could probably use wxDynamicLibrary here just as well,
     //     but we allow multiple instances of wxDialUpManagerMSW so
     //     we might as well use the ref counted version here too.
 
-    wxPluginManager hDll(_T("WININET"));
+    wxDynamicLibrary hDll(_T("WININET"));
     if ( hDll.IsLoaded() )
     {
         typedef BOOL (WINAPI *INTERNETGETCONNECTEDSTATE)(LPDWORD, DWORD);
@@ -956,45 +947,26 @@ bool wxDialUpManagerMSW::IsAlwaysOnline() const
             if ( pfnInternetGetConnectedState(&flags, 0 /* reserved */) )
             {
                 // there is some connection to the net, see of which type
-                ms_isAlwaysOnline = ((flags & INTERNET_CONNECTION_LAN) != 0)
-                                    || ((flags & INTERNET_CONNECTION_PROXY) != 0);
-            }
-            else
-            {
-                // no Internet connection at all
-                ms_isAlwaysOnline = FALSE;
+                isAlwaysOnline = (flags & (INTERNET_CONNECTION_LAN |
+                                           INTERNET_CONNECTION_PROXY)) != 0;
             }
+            //else: no Internet connection at all
         }
     }
 
-    // did we succeed with WinInet? if not, try something else
-    if ( ms_isAlwaysOnline == -1 )
-    {
-        if ( !IsOnline() )
-        {
-            // definitely no permanent connection because we are not connected
-            // now
-            ms_isAlwaysOnline = FALSE;
-        }
-        else
-        {
-            // of course, having a modem doesn't prevent us from having a
-            // permanent connection as well, but we have to guess somehow and
-            // it's probably more common that a system connected via a modem
-            // doesn't have any other net access, so:
-            ms_isAlwaysOnline = FALSE;
-        }
-    }
-
-    wxASSERT_MSG( ms_isAlwaysOnline != -1, wxT("logic error") );
-
-    return ms_isAlwaysOnline != 0;
+    return isAlwaysOnline;
 }
 
 bool wxDialUpManagerMSW::IsOnline() const
 {
     wxCHECK_MSG( IsOk(), FALSE, wxT("using uninitialized wxDialUpManager") );
 
+    if ( IsAlwaysOnline() )
+    {
+        // always => now
+        return true;
+    }
+
     if ( ms_userSpecifiedOnlineStatus != -1 )
     {
         // user specified flag overrides our logic
@@ -1274,7 +1246,7 @@ static LRESULT APIENTRY wxRasStatusWindowProc(HWND hWnd, UINT message,
     return 0;
 }
 
-static void WINAPI wxRasDialFunc(UINT unMsg,
+static void WINAPI wxRasDialFunc(UINT WXUNUSED(unMsg),
                                  RASCONNSTATE rasconnstate,
                                  DWORD dwError)
 {