fix Purpose comment

[wxWidgets.git] / src / common / filesys.cpp

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index fc12af7d55762f6c4504186faf937d23fce932bc..1e6cf4880a22e0d22cd21a862a68c36649102bd2 100644 (file)
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -23,6 +23,7 @@
     #include "wx/module.h"
 #endif
 
+#include "wx/sysopt.h"
 #include "wx/wfstream.h"
 #include "wx/mimetype.h"
 #include "wx/filename.h"
@@ -77,64 +78,74 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
 
 #if wxUSE_MIMETYPE
     static bool s_MinimalMimeEnsured = false;
-    if (!s_MinimalMimeEnsured)
+
+    // Don't use mime types manager if the application doesn't need it and it would be
+    // cause an unacceptable delay, especially on startup.
+#if wxUSE_SYSTEM_OPTIONS
+    if ( !wxSystemOptions::GetOptionInt(wxT("filesys.no-mimetypesmanager")) )
+#endif
     {
-        static const wxFileTypeInfo fallbacks[] =
+        if (!s_MinimalMimeEnsured)
         {
-            wxFileTypeInfo(_T("image/jpeg"),
-                           wxEmptyString,
-                           wxEmptyString,
-                           _T("JPEG image (from fallback)"),
-                           _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), wxNullPtr),
-            wxFileTypeInfo(_T("image/gif"),
-                           wxEmptyString,
-                           wxEmptyString,
-                           _T("GIF image (from fallback)"),
-                           _T("gif"), _T("GIF"), wxNullPtr),
-            wxFileTypeInfo(_T("image/png"),
-                           wxEmptyString,
-                           wxEmptyString,
-                           _T("PNG image (from fallback)"),
-                           _T("png"), _T("PNG"), wxNullPtr),
-            wxFileTypeInfo(_T("image/bmp"),
-                           wxEmptyString,
-                           wxEmptyString,
-                           _T("windows bitmap image (from fallback)"),
-                           _T("bmp"), _T("BMP"), wxNullPtr),
-            wxFileTypeInfo(_T("text/html"),
-                           wxEmptyString,
-                           wxEmptyString,
-                           _T("HTML document (from fallback)"),
-                           _T("htm"), _T("html"), _T("HTM"), _T("HTML"), wxNullPtr),
-            // must terminate the table with this!
-            wxFileTypeInfo()
-        };
-        wxTheMimeTypesManager->AddFallbacks(fallbacks);
-        s_MinimalMimeEnsured = true;
+            static const wxFileTypeInfo fallbacks[] =
+            {
+                wxFileTypeInfo(_T("image/jpeg"),
+                    wxEmptyString,
+                    wxEmptyString,
+                    _T("JPEG image (from fallback)"),
+                    _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), wxNullPtr),
+                wxFileTypeInfo(_T("image/gif"),
+                    wxEmptyString,
+                    wxEmptyString,
+                    _T("GIF image (from fallback)"),
+                    _T("gif"), _T("GIF"), wxNullPtr),
+                wxFileTypeInfo(_T("image/png"),
+                    wxEmptyString,
+                    wxEmptyString,
+                    _T("PNG image (from fallback)"),
+                    _T("png"), _T("PNG"), wxNullPtr),
+                wxFileTypeInfo(_T("image/bmp"),
+                    wxEmptyString,
+                    wxEmptyString,
+                    _T("windows bitmap image (from fallback)"),
+                    _T("bmp"), _T("BMP"), wxNullPtr),
+                wxFileTypeInfo(_T("text/html"),
+                    wxEmptyString,
+                    wxEmptyString,
+                    _T("HTML document (from fallback)"),
+                    _T("htm"), _T("html"), _T("HTM"), _T("HTML"), wxNullPtr),
+                // must terminate the table with this!
+                wxFileTypeInfo()
+            };
+            wxTheMimeTypesManager->AddFallbacks(fallbacks);
+            s_MinimalMimeEnsured = true;
+        }
+        
+        wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
+        if ( !ft || !ft -> GetMimeType(&mime) )
+        {
+            mime = wxEmptyString;
+        }
+        
+        delete ft;
+        
+        return mime;
     }
-
-    wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
-    if ( !ft || !ft -> GetMimeType(&mime) )
+    else
+#endif
     {
-        mime = wxEmptyString;
+        if ( ext.IsSameAs(wxT("htm"), false) || ext.IsSameAs(_T("html"), false) )
+            return wxT("text/html");
+        if ( ext.IsSameAs(wxT("jpg"), false) || ext.IsSameAs(_T("jpeg"), false) )
+            return wxT("image/jpeg");
+        if ( ext.IsSameAs(wxT("gif"), false) )
+            return wxT("image/gif");
+        if ( ext.IsSameAs(wxT("png"), false) )
+            return wxT("image/png");
+        if ( ext.IsSameAs(wxT("bmp"), false) )
+            return wxT("image/bmp");
+        return wxEmptyString;
     }
-
-    delete ft;
-
-    return mime;
-#else
-    if ( ext.IsSameAs(wxT("htm"), false) || ext.IsSameAs(_T("html"), false) )
-        return wxT("text/html");
-    if ( ext.IsSameAs(wxT("jpg"), false) || ext.IsSameAs(_T("jpeg"), false) )
-        return wxT("image/jpeg");
-    if ( ext.IsSameAs(wxT("gif"), false) )
-        return wxT("image/gif");
-    if ( ext.IsSameAs(wxT("png"), false) )
-        return wxT("image/png");
-    if ( ext.IsSameAs(wxT("bmp"), false) )
-        return wxT("image/bmp");
-    return wxEmptyString;
-#endif
 }