shell32: Add ::Initialize() and ::GetCurFolder() for printers folder IPersistFolder2 interface.

dlls/shell32/shfldr_printers.c

@@ -42,6 +42,8 @@ typedef struct {
     const IShellFolder2Vtbl   *lpVtbl;
     const IPersistFolder2Vtbl *lpvtblPersistFolder2;
     LONG ref;
+
+    LPITEMIDLIST pidl;
 } IPrintersFolderImpl;
 
 static inline IPrintersFolderImpl *impl_from_IPersistFolder2(IPersistFolder2 *iface)
@@ -111,6 +113,7 @@ static ULONG WINAPI IShellFolder_Printers_fnRelease (IShellFolder2 * iface)
     if (!refCount)
     {
         TRACE ("-- destroying IShellFolder(%p)\n", This);
+        SHFree(This->pidl);
         LocalFree (This);
     }
     return refCount;
@@ -380,15 +383,24 @@ static HRESULT WINAPI IPersistFolder2_Printers_fnGetClassID(IPersistFolder2 *ifa
 static HRESULT WINAPI IPersistFolder2_Printers_fnInitialize(IPersistFolder2 *iface, LPCITEMIDLIST pidl)
 {
     IPrintersFolderImpl *This = impl_from_IPersistFolder2(iface);
-    FIXME("(%p) stub\n", This);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, pidl);
+
+    SHFree(This->pidl);
+    This->pidl = ILClone(pidl);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI IPersistFolder2_Printers_fnGetCurFolder(IPersistFolder2 *iface, LPITEMIDLIST *pidl)
 {
     IPrintersFolderImpl *This = impl_from_IPersistFolder2(iface);
-    FIXME("(%p) stub\n", This);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, pidl);
+
+    *pidl = ILClone(This->pidl);
+
+    return *pidl ? S_OK : S_FALSE;
 }
 
 static const IPersistFolder2Vtbl vtbl_PersistFolder2 =
@@ -417,6 +429,7 @@ HRESULT WINAPI Printers_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID *
         return E_OUTOFMEMORY;
 
     sf->ref = 0;
+    sf->pidl = NULL;
     sf->lpVtbl = &vtbl_ShellFolder2;
     sf->lpvtblPersistFolder2 = &vtbl_PersistFolder2;
 

dlls/shell32/tests/shfldr_special.c

@@ -125,8 +125,10 @@ static void test_parse_for_control_panel(void)
 static void test_printers_folder(void)
 {
     IShellFolder2 *folder;
+    IPersistFolder2 *pf;
     SHELLDETAILS details;
     SHCOLSTATEF state;
+    LPITEMIDLIST pidl1, pidl2;
     INT i;
     HRESULT hr;
 
@@ -145,6 +147,7 @@ if (0)
     /* crashes on XP */
     hr = IShellFolder2_GetDetailsOf(folder, NULL, 0, NULL);
     hr = IShellFolder2_GetDefaultColumnState(folder, 0, NULL);
+    hr = IPersistFolder2_GetCurFolder(pf, NULL);
 }
 
     /* 5 columns defined */
@@ -173,6 +176,30 @@ if (0)
             ok(state == (SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT), "got 0x%x\n", state);
     }
 
+    /* default pidl */
+    hr = IShellFolder2_QueryInterface(folder, &IID_IPersistFolder2, (void**)&pf);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    /* not initialized */
+    pidl1 = (void*)0xdeadbeef;
+    hr = IPersistFolder2_GetCurFolder(pf, &pidl1);
+    ok(hr == S_FALSE, "got 0x%08x\n", hr);
+    ok(pidl1 == NULL, "got %p\n", pidl1);
+
+    hr = SHGetSpecialFolderLocation(NULL, CSIDL_PRINTERS, &pidl2);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IPersistFolder2_Initialize(pf, pidl2);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IPersistFolder2_GetCurFolder(pf, &pidl1);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ok(ILIsEqual(pidl1, pidl2), "expected same PIDL\n");
+    IPersistFolder2_Release(pf);
+
+    ILFree(pidl1);
+    ILFree(pidl2);
     IShellFolder2_Release(folder);
 
     CoUninitialize();