[rharabien] 54985: [SHELL32] - Load shell extensions from Directory key only for file system directories. Fixes New menu being added to special folders context menu (for example My Computer or Cont...

Author: rharabien
Date: Mon Jan 16 19:54:24 2012
New Revision: 54985
URL: http://svn.reactos.org/svn/reactos?rev=54985&view=rev
Log:
[SHELL32]
- Load shell extensions from Directory key only for file system directories. Fixes New
menu being added to special folders context menu (for example My Computer or Control
Panel)
- Load shell extensions from AllFilesystemObjects only for files and directories
- Hardcode special folders attributes in proper place
Modified:
    trunk/reactos/dll/win32/shell32/defcontextmenu.cpp
    trunk/reactos/dll/win32/shell32/folders/desktop.cpp
    trunk/reactos/dll/win32/shell32/folders/mycomp.cpp
    trunk/reactos/dll/win32/shell32/newmenu.cpp
    trunk/reactos/dll/win32/shell32/shlfolder.cpp
Modified: trunk/reactos/dll/win32/shell32/defcontextmenu.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/defconte…
==============================================================================
--- trunk/reactos/dll/win32/shell32/defcontextmenu.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/defcontextmenu.cpp [iso-8859-1] Mon Jan 16 19:54:24
2012
@@ -144,7 +144,7 @@
     if (!pdcm->cidl)
     {
-        /* Init pidlFolder only if is background context menu. See
IShellExtInit::Initialize */
+        /* Init pidlFolder only if it is background context menu. See
IShellExtInit::Initialize */
         if (pdcm->pidlFolder)
             m_pidlFolder = ILClone(pdcm->pidlFolder);
         else
@@ -513,7 +513,7 @@
     TRACE("BuildBackgroundContextMenu entered\n");
-    if (!_ILIsDesktop(m_Dcm.pidlFolder))
+    if (!_ILIsDesktop(m_pidlFolder))
     {
         WCHAR wszBuf[MAX_PATH];
@@ -552,18 +552,24 @@
         DisablePasteOptions(hMenu);
     }
-    /* Load context menu handlers */
-    HKEY hKey;
-    if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Directory\\Background", 0, KEY_READ,
&hKey) == ERROR_SUCCESS)
-    {
-        EnumerateDynamicContextHandlerForKey(hKey);
-        RegCloseKey(hKey);
-    }
-
-    if (InsertMenuItemsOfDynamicContextMenuExtension(hMenu, GetMenuItemCount(hMenu) - 1,
iIdCmdFirst, iIdCmdLast))
-    {
-        /* seperate dynamic context menu items */
-        _InsertMenuItemW(hMenu, GetMenuItemCount(hMenu) - 1, TRUE, -1, MFT_SEPARATOR,
NULL, MFS_ENABLED);
+    /* Directory is progid of filesystem folders only */
+    LPITEMIDLIST pidlFolderLast = ILFindLastID(m_pidlFolder);
+    if (_ILIsDesktop(pidlFolderLast) || _ILIsDrive(pidlFolderLast) ||
_ILIsFolder(pidlFolderLast))
+    {
+        /* Load context menu handlers */
+        TRACE("Add background handlers: %p\n", m_pidlFolder);
+        HKEY hKey;
+        if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Directory\\Background", 0,
KEY_READ, &hKey) == ERROR_SUCCESS)
+        {
+            EnumerateDynamicContextHandlerForKey(hKey);
+            RegCloseKey(hKey);
+        }
+
+        if (InsertMenuItemsOfDynamicContextMenuExtension(hMenu, GetMenuItemCount(hMenu) -
1, iIdCmdFirst, iIdCmdLast))
+        {
+            /* seperate dynamic context menu items */
+            _InsertMenuItemW(hMenu, GetMenuItemCount(hMenu) - 1, TRUE, -1, MFT_SEPARATOR,
NULL, MFS_ENABLED);
+        }
     }
     return iIdCmdLast;
@@ -795,24 +801,30 @@
         rfg = 0;
     }
-    if ((rfg & SFGAO_FOLDER) || _ILIsControlPanel(m_Dcm.apidl[0]))
+    if (rfg & SFGAO_FOLDER)
     {
         /* add the default verbs open / explore */
         AddStaticEntryForFileClass(L"Folder");
-        AddStaticEntryForFileClass(L"Directory");
         if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Folder", 0, KEY_READ, &hKey)
== ERROR_SUCCESS)
         {
             EnumerateDynamicContextHandlerForKey(hKey);
             RegCloseKey(hKey);
         }
-        if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Directory", 0, KEY_READ,
&hKey) == ERROR_SUCCESS)
-        {
-            EnumerateDynamicContextHandlerForKey(hKey);
-            RegCloseKey(hKey);
-        }
-    }
-
-    if (rfg & SFGAO_FILESYSTEM)
+
+        /* Directory is only loaded for real filesystem directories */
+        if (_ILIsFolder(m_Dcm.apidl[0]))
+        {
+            AddStaticEntryForFileClass(L"Directory");
+            if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Directory", 0, KEY_READ,
&hKey) == ERROR_SUCCESS)
+            {
+                EnumerateDynamicContextHandlerForKey(hKey);
+                RegCloseKey(hKey);
+            }
+        }
+    }
+
+    /* AllFilesystemObjects class is loaded only for files and directories */
+    if (_ILIsFolder(m_Dcm.apidl[0]) || _ILIsValue(m_Dcm.apidl[0]))
     {
         if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"AllFilesystemObjects", 0,
KEY_READ, &hKey) == ERROR_SUCCESS)
         {
Modified: trunk/reactos/dll/win32/shell32/folders/desktop.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/folders/…
==============================================================================
--- trunk/reactos/dll/win32/shell32/folders/desktop.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/folders/desktop.cpp [iso-8859-1] Mon Jan 16 19:54:24
2012
@@ -540,17 +540,18 @@
 {
     HRESULT hr = S_OK;
     static const DWORD dwDesktopAttributes =
-        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR |
-        SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER;
+        SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR |
+        SFGAO_STORAGEANCESTOR | SFGAO_HASPROPSHEET | SFGAO_STORAGE | SFGAO_CANLINK;
     static const DWORD dwMyComputerAttributes =
-        SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET |
-        SFGAO_DROPTARGET | SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_HASSUBFOLDER;
+        SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET | SFGAO_DROPTARGET |
+        SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_CANLINK;
+    static DWORD dwMyNetPlacesAttributes =
+        SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET | SFGAO_DROPTARGET |
+        SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_CANLINK;
     TRACE("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n",
           this, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);
-    if (!rgfInOut)
-        return E_INVALIDARG;
     if (cidl && !apidl)
         return E_INVALIDARG;
@@ -558,23 +559,21 @@
         *rgfInOut = ~0;
     if(cidl == 0)
-    {
         *rgfInOut &= dwDesktopAttributes;
-    }
     else
     {
-        while (cidl > 0 && *apidl)
+        /* TODO: always add SFGAO_CANLINK */
+        for (UINT i = 0; i < cidl; ++i)
         {
             pdump(*apidl);
             if (_ILIsDesktop(*apidl))
                 *rgfInOut &= dwDesktopAttributes;
-            else if (_ILIsMyComputer(*apidl))
+            else if (_ILIsMyComputer(apidl[i]))
                 *rgfInOut &= dwMyComputerAttributes;
+            else if (_ILIsNetHood(apidl[i]))
+                *rgfInOut &= dwMyNetPlacesAttributes;
             else
-                SHELL32_GetItemAttributes((IShellFolder *)this, *apidl, rgfInOut);
-
-            apidl++;
-            cidl--;
+                SHELL32_GetItemAttributes((IShellFolder *)this, apidl[i], rgfInOut);
         }
     }
     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
Modified: trunk/reactos/dll/win32/shell32/folders/mycomp.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/folders/…
==============================================================================
--- trunk/reactos/dll/win32/shell32/folders/mycomp.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/folders/mycomp.cpp [iso-8859-1] Mon Jan 16 19:54:24
2012
@@ -365,39 +365,48 @@
 */
 HRESULT WINAPI CDrivesFolder::GetAttributesOf(UINT cidl, LPCITEMIDLIST * apidl, DWORD *
rgfInOut)
 {
-    HRESULT hr = S_OK;
     static const DWORD dwComputerAttributes =
-        SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR | SFGAO_CANCOPY |
-        SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER |
SFGAO_CANRENAME | SFGAO_CANDELETE;
+        SFGAO_CANRENAME | SFGAO_CANDELETE | SFGAO_HASPROPSHEET | SFGAO_DROPTARGET |
+        SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_CANLINK;
+    static const DWORD dwControlPanelAttributes =
+        SFGAO_HASSUBFOLDER | SFGAO_FOLDER | SFGAO_CANLINK;
+    static const DWORD dwDriveAttributes =
+        SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR |
+        SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANRENAME | SFGAO_CANLINK;
     TRACE ("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n",
            this, cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);
-    if (!rgfInOut)
-        return E_INVALIDARG;
     if (cidl && !apidl)
         return E_INVALIDARG;
     if (*rgfInOut == 0)
         *rgfInOut = ~0;
+    /* FIXME: always add SFGAO_CANLINK */
     if(cidl == 0)
         *rgfInOut &= dwComputerAttributes;
     else
     {
-        while (cidl > 0 && *apidl)
+        for (UINT i = 0; i < cidl; ++i)
         {
-            pdump (*apidl);
-            SHELL32_GetItemAttributes (this, *apidl, rgfInOut);
-            apidl++;
-            cidl--;
+            if (_ILIsDrive(apidl[i]))
+                *rgfInOut &= dwDriveAttributes;
+            else if (_ILIsControlPanel(apidl[i]))
+                *rgfInOut &= dwControlPanelAttributes;
+            else
+            {
+                pdump(apidl[i]);
+                SHELL32_GetItemAttributes(this, apidl[i], rgfInOut);
+            }
         }
     }
+
     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
     *rgfInOut &= ~SFGAO_VALIDATE;
     TRACE ("-- result=0x%08x\n", *rgfInOut);
-    return hr;
+    return S_OK;
 }
 /**************************************************************************
Modified: trunk/reactos/dll/win32/shell32/newmenu.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/newmenu.…
==============================================================================
--- trunk/reactos/dll/win32/shell32/newmenu.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/newmenu.cpp [iso-8859-1] Mon Jan 16 19:54:24 2012
@@ -643,6 +643,7 @@
 CNewMenu::Initialize(LPCITEMIDLIST pidlFolder,
                      IDataObject *pdtobj, HKEY hkeyProgID)
 {
+    /* Load folder and shortcut icons */
     HICON hIcon = (HICON)LoadImage(shell32_hInstance, MAKEINTRESOURCE(IDI_SHELL_FOLDER),
IMAGE_ICON, 0, 0, LR_SHARED);
     m_hbmFolder = hIcon ? IconToBitmap(hIcon) : NULL;
     hIcon = (HICON)LoadImage(shell32_hInstance, MAKEINTRESOURCE(IDI_SHELL_SHORTCUT),
IMAGE_ICON, 0, 0, LR_SHARED);
Modified: trunk/reactos/dll/win32/shell32/shlfolder.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/shlfolde…
==============================================================================
--- trunk/reactos/dll/win32/shell32/shlfolder.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/shlfolder.cpp [iso-8859-1] Mon Jan 16 19:54:24 2012
@@ -397,17 +397,7 @@
     dwAttributes = *pdwAttributes;
-    /* Attributes of some special folders are hardcoded */
-    if (_ILIsDrive(pidl))
-        *pdwAttributes &=
SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|
-                          SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANRENAME;
-    else if (_ILIsMyComputer(pidl) || _ILIsNetHood(pidl))
-        *pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|
-                          SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANDELETE|
-                          SFGAO_CANRENAME|SFGAO_CANLINK;
-    else if (_ILIsControlPanel(pidl))
-        *pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FOLDER|SFGAO_CANLINK;
-    else if (has_guid && HCR_GetFolderAttributes(pidl, &dwAttributes))
+    if (has_guid && HCR_GetFolderAttributes(pidl, &dwAttributes))
         *pdwAttributes = dwAttributes;
     else if (_ILGetDataPointer(pidl))
     {