[gadamopoulos] 66936: [SHELL32] - CDefaultContextMenu: Reduce relying on the type of the pidl. Query the attributes of the item from the folder instead. CORE-8973

Author: gadamopoulos
Date: Sat Mar 28 19:45:27 2015
New Revision: 66936

URL: http://svn.reactos.org/svn/reactos?rev=66936&view=rev
Log:
[SHELL32]
- CDefaultContextMenu: Reduce relying on the type of the pidl. Query the attributes of the
item from the folder instead. 
CORE-8973

Modified:
    trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp

Modified: trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/CDefault…
==============================================================================
--- trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp	[iso-8859-1] Sat Mar 28
19:45:27 2015
@@ -514,6 +514,14 @@
 
     TRACE("BuildBackgroundContextMenu entered\n");
 
+    SFGAOF rfg = SFGAO_FILESYSTEM | SFGAO_FOLDER;
+    HRESULT hr = m_psf->GetAttributesOf(0, NULL, &rfg);
+    if (FAILED(hr))
+    {
+        ERR("GetAttributesOf failed: %x\n", hr);
+        rfg = 0;
+    }
+
     if (!_ILIsDesktop(m_pidlFolder))
     {
         WCHAR wszBuf[MAX_PATH];
@@ -554,8 +562,7 @@
     }
 
     /* Directory is progid of filesystem folders only */
-    LPITEMIDLIST pidlFolderLast = ILFindLastID(m_pidlFolder);
-    if (_ILIsDesktop(pidlFolderLast) || _ILIsDrive(pidlFolderLast) ||
_ILIsFolder(pidlFolderLast))
+    if (rfg == (SFGAO_FILESYSTEM|SFGAO_FOLDER))
     {
         /* Load context menu handlers */
         TRACE("Add background handlers: %p\n", m_pidlFolder);
@@ -818,7 +825,7 @@
         }
 
         /* Directory is only loaded for real filesystem directories */
-        if (_ILIsFolder(m_apidl[0]))
+        if (rfg & SFGAO_FILESYSTEM)
         {
             AddStaticEntryForFileClass(L"Directory");
             if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Directory", 0, KEY_READ,
&hKey) == ERROR_SUCCESS)
@@ -830,7 +837,7 @@
     }
 
     /* AllFilesystemObjects class is loaded only for files and directories */
-    if (_ILIsFolder(m_apidl[0]) || _ILIsValue(m_apidl[0]))
+    if (rfg & SFGAO_FILESYSTEM)
     {
         if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"AllFilesystemObjects", 0,
KEY_READ, &hKey) == ERROR_SUCCESS)
         {