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shell32: Improved IShellFolder_GetUIObjectOf implementation.

This commit is contained in:
Piotr Caban 2010-11-10 14:19:29 +01:00 committed by Alexandre Julliard
parent d419f24372
commit e062d4a6ff
4 changed files with 101 additions and 0 deletions
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2
dlls/shell32/shell32_main.h
View File

@ -69,6 +69,8 @@ BOOL HCR_GetFolderAttributes(LPCITEMIDLIST pidlFolder, LPDWORD dwAttributes);
DWORD WINAPI ParseFieldA(LPCSTR src, DWORD nField, LPSTR dst, DWORD len);
DWORD WINAPI ParseFieldW(LPCWSTR src, DWORD nField, LPWSTR dst, DWORD len);
BOOL WINAPI GUIDFromStringW(LPCWSTR, LPGUID);
/****************************************************************************
* Class constructors
*/

2
dlls/shell32/shfldr.h
View File

@ -49,6 +49,8 @@ HRESULT SHELL32_BindToChild (LPCITEMIDLIST pidlRoot,
HRESULT SHELL32_CompareIDs (IShellFolder * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
LPITEMIDLIST SHELL32_CreatePidlFromBindCtx(IBindCtx *pbc, LPCWSTR path);
HRESULT SHELL32_CreateExtensionUIObject(IShellFolder2 *iface, LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppvOut);
static inline int SHELL32_GUIDToStringA (REFGUID guid, LPSTR str)
{
return sprintf(str, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",

90
dlls/shell32/shfldr_fs.c
View File

@ -610,6 +610,90 @@ IShellFolder_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl,
return hr;
}
/**************************************************************************
* SHELL32_CreateExtensionUIObject (internal)
*/
HRESULT SHELL32_CreateExtensionUIObject(IShellFolder2 *iface,
LPCITEMIDLIST pidl, REFIID riid, LPVOID *ppvOut)
{
static const WCHAR reg_blockedW[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'S','h','e','l','l',' ','E','x','t','e','n','s','i','o','n','s','\\',
'B','l','o','c','k','e','d',0};
static const WCHAR formatW[] = {'.','%','s','\\','S','h','e','l','l','E','x','\\',
'{','%','0','8','x','-','%','0','4','x','-','%','0','4','x','-',
'%','0','2','x','%','0','2','x','-','%','0','2','x','%','0','2','x',
'%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0};
IPersistFile *persist_file;
char extensionA[20];
WCHAR extensionW[20], buf[MAX_PATH];
DWORD size = MAX_PATH;
STRRET path;
WCHAR *file;
GUID guid;
HKEY key;
HRESULT hr;
if(!_ILGetExtension(pidl, extensionA, 20))
return S_FALSE;
MultiByteToWideChar(CP_ACP, 0, extensionA, -1, extensionW, 20);
sprintfW(buf, formatW, extensionW, riid->Data1, riid->Data2, riid->Data3,
riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
if(RegGetValueW(HKEY_CLASSES_ROOT, buf, NULL, RRF_RT_REG_SZ,
NULL, buf, &size) != ERROR_SUCCESS)
return S_FALSE;
if(RegCreateKeyExW(HKEY_LOCAL_MACHINE, reg_blockedW, 0, 0, 0,
KEY_READ, NULL, &key, NULL) != ERROR_SUCCESS)
return E_FAIL;
if(RegQueryValueExW(key, buf, 0, NULL, NULL, NULL)
!= ERROR_FILE_NOT_FOUND)
return E_ACCESSDENIED;
RegCloseKey(key);
if(RegCreateKeyExW(HKEY_CURRENT_USER, reg_blockedW, 0, 0, 0,
KEY_READ, NULL, &key, NULL) != ERROR_SUCCESS)
return E_FAIL;
if(RegQueryValueExW(key, buf, 0, NULL, NULL, NULL)
!= ERROR_FILE_NOT_FOUND)
return E_ACCESSDENIED;
RegCloseKey(key);
if(!GUIDFromStringW(buf, &guid))
return E_FAIL;
hr = CoCreateInstance(&guid, NULL, CLSCTX_INPROC_SERVER,
&IID_IPersistFile, (void**)&persist_file);
if(FAILED(hr))
return hr;
hr = IShellFolder_GetDisplayNameOf(iface, pidl, SHGDN_FORPARSING, &path);
if(SUCCEEDED(hr))
hr = StrRetToStrW(&path, NULL, &file);
if(FAILED(hr)) {
IPersistFile_Release(persist_file);
return hr;
}
hr = IPersistFile_Load(persist_file, file, STGM_READ);
CoTaskMemFree(file);
if(FAILED(hr)) {
IPersistFile_Release(persist_file);
return hr;
}
hr = IPersistFile_QueryInterface(persist_file, riid, ppvOut);
IPersistFile_Release(persist_file);
return hr;
}
/**************************************************************************
* IShellFolder_fnGetUIObjectOf
*
@ -651,6 +735,12 @@ IShellFolder_fnGetUIObjectOf (IShellFolder2 * iface,
if (ppvOut) {
*ppvOut = NULL;
if(cidl == 1) {
hr = SHELL32_CreateExtensionUIObject(iface, *apidl, riid, ppvOut);
if(hr != S_FALSE)
return hr;
}
if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface,
This->pidlRoot, apidl, cidl);

7
dlls/shell32/shfldr_unixfs.c
View File

@ -1115,6 +1115,7 @@ static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* ifac
{
UnixFolder *This = ADJUST_THIS(UnixFolder, IShellFolder2, iface);
UINT i;
HRESULT hr;
TRACE("(iface=%p, hwndOwner=%p, cidl=%d, apidl=%p, riid=%s, prgfInOut=%p, ppv=%p)\n",
iface, hwndOwner, cidl, apidl, debugstr_guid(riid), prgfInOut, ppvOut);
@ -1125,6 +1126,12 @@ static HRESULT WINAPI UnixFolder_IShellFolder2_GetUIObjectOf(IShellFolder2* ifac
for (i=0; i<cidl; i++)
if (!apidl[i])
return E_INVALIDARG;
if(cidl == 1) {
hr = SHELL32_CreateExtensionUIObject(iface, *apidl, riid, ppvOut);
if(hr != S_FALSE)
return hr;
}
if (IsEqualIID(&IID_IContextMenu, riid)) {
*ppvOut = ISvItemCm_Constructor((IShellFolder*)iface, This->m_pidlLocation, apidl, cidl);