[akhaldi] 61933: [SHELL32] * Multithread the calculation of a folder's size when the properties box is opened to increase the responsiveness of the shell. * Brought to you by Huw Campbell. CORE-782...

Author: akhaldi
Date: Sun Feb  2 23:40:01 2014
New Revision: 61933

URL: http://svn.reactos.org/svn/reactos?rev=61933&view=rev
Log:
[SHELL32]
* Multithread the calculation of a folder's size when the properties box is opened to increase the responsiveness of the shell.
* Brought to you by Huw Campbell.
CORE-7829 #resolve #comment Committed in r61933. Thanks !

Modified:
    trunk/reactos/dll/win32/shell32/filedefext.cpp
    trunk/reactos/dll/win32/shell32/filedefext.h

Modified: trunk/reactos/dll/win32/shell32/filedefext.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/filedefex...
==============================================================================
--- trunk/reactos/dll/win32/shell32/filedefext.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/filedefext.cpp	[iso-8859-1] Sun Feb  2 23:40:01 2014
@@ -531,10 +531,18 @@
     if (m_bDir)
     {
         /* For directories files have to be counted */
-        StringCchCopyW(wszBuf, _countof(wszBuf), m_wszPath);
-        CountFolderAndFiles(wszBuf, _countof(wszBuf));
-
-        /* Update size filed */
+
+        _CountFolderAndFilesData *data = reinterpret_cast<_CountFolderAndFilesData*> (HeapAlloc(GetProcessHeap(), 0, sizeof(_CountFolderAndFilesData)));
+        data->This = this;
+        data->pwszBuf = reinterpret_cast<LPWSTR> (HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * MAX_PATH));
+        data->cchBufMax = MAX_PATH;
+        data->hwndDlg = hwndDlg;
+        this->AddRef();
+        StringCchCopyW(data->pwszBuf, MAX_PATH, m_wszPath);
+        
+        SHCreateThread(reinterpret_cast<LPTHREAD_START_ROUTINE> (CFileDefExt::_CountFolderAndFilesThreadProc), reinterpret_cast<LPVOID> (data), NULL, NULL); 
+
+        /* Update size field */
         if (SH_FormatFileSizeWithBytes(&m_DirSize, wszBuf, _countof(wszBuf)))
             SetDlgItemTextW(hwndDlg, 14011, wszBuf);

@@ -635,7 +643,7 @@
             }
             else if (LOWORD(wParam) == 14021 || LOWORD(wParam) == 14022 || LOWORD(wParam) == 14023) /* checkboxes */
                 PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
-           else if (LOWORD(wParam) == 14001) /* Name */
+            else if (LOWORD(wParam) == 14001) /* Name */
             {
                 if (HIWORD(wParam) == EN_CHANGE)
                     PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
@@ -968,8 +976,23 @@
     return E_NOTIMPL;
 }

+DWORD 
+CFileDefExt::_CountFolderAndFilesThreadProc(LPVOID lpParameter)
+{
+    _CountFolderAndFilesData *data = reinterpret_cast<_CountFolderAndFilesData*>(lpParameter);
+    DWORD ticks = 0;
+    data->This->CountFolderAndFiles(data->hwndDlg, data->pwszBuf, data->cchBufMax, &ticks);
+
+    //Release the CFileDefExt and data object holds in the copying thread.
+    data->This->Release();
+    HeapFree(GetProcessHeap(), 0, data->pwszBuf);
+    HeapFree(GetProcessHeap(), 0, data);
+
+    return 0;
+}
+
 BOOL
-CFileDefExt::CountFolderAndFiles(LPWSTR pwszBuf, UINT cchBufMax)
+CFileDefExt::CountFolderAndFiles(HWND hwndDlg, LPWSTR pwszBuf, UINT cchBufMax, DWORD *ticks)
 {
     /* Find filename position */
     UINT cchBuf = wcslen(pwszBuf);
@@ -991,6 +1014,12 @@
         return FALSE;
     }

+    BOOL root = FALSE;
+    if (*ticks == 0) {
+        *ticks = GetTickCount();
+        root = TRUE;
+    }
+
     do
     {
         if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
@@ -1002,7 +1031,7 @@
             ++m_cFolders;

StringCchCopyW(pwszFilename, cchFilenameMax, wfd.cFileName);
-            CountFolderAndFiles(pwszBuf, cchBufMax);
+            CountFolderAndFiles(hwndDlg, pwszBuf, cchBufMax, ticks);
         }
         else
         {
@@ -1013,7 +1042,41 @@
             FileSize.u.HighPart = wfd.nFileSizeHigh;
             m_DirSize.QuadPart += FileSize.QuadPart;
         }
+        if (GetTickCount() - *ticks > (DWORD) 300)
+        {
+            /* FIXME Using IsWindow is generally ill advised */
+            if (IsWindow(hwndDlg))
+            {
+                WCHAR wszBuf[MAX_PATH];
+
+                if (SH_FormatFileSizeWithBytes(&m_DirSize, wszBuf, _countof(wszBuf)))
+                    SetDlgItemTextW(hwndDlg, 14011, wszBuf);
+
+                /* Display files and folders count */
+                WCHAR wszFormat[256];
+                LoadStringW(shell32_hInstance, IDS_FILE_FOLDER, wszFormat, _countof(wszFormat));
+                StringCchPrintfW(wszBuf, _countof(wszBuf), wszFormat, m_cFiles, m_cFolders);
+                SetDlgItemTextW(hwndDlg, 14027, wszBuf);
+                *ticks = GetTickCount();
+            }
+            else
+                break;
+        }
     } while(FindNextFileW(hFind, &wfd));
+
+    if (root && IsWindow(hwndDlg))
+    {
+        WCHAR wszBuf[MAX_PATH];
+
+        if (SH_FormatFileSizeWithBytes(&m_DirSize, wszBuf, _countof(wszBuf)))
+            SetDlgItemTextW(hwndDlg, 14011, wszBuf);
+
+        /* Display files and folders count */
+        WCHAR wszFormat[256];
+        LoadStringW(shell32_hInstance, IDS_FILE_FOLDER, wszFormat, _countof(wszFormat));
+        StringCchPrintfW(wszBuf, _countof(wszBuf), wszFormat, m_cFiles, m_cFolders);
+        SetDlgItemTextW(hwndDlg, 14027, wszBuf);
+    }

FindClose(hFind);
     return TRUE;

Modified: trunk/reactos/dll/win32/shell32/filedefext.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/filedefex...
==============================================================================
--- trunk/reactos/dll/win32/shell32/filedefext.h	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/filedefext.h	[iso-8859-1] Sun Feb  2 23:40:01 2014
@@ -73,7 +73,7 @@
     BOOL InitVersionPage(HWND hwndDlg);
     static INT_PTR CALLBACK GeneralPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
    static INT_PTR CALLBACK VersionPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
-	BOOL CountFolderAndFiles(LPWSTR pwszBuf, UINT cchBufMax);
+	BOOL CountFolderAndFiles(HWND hwndDlg, LPWSTR pwszBuf, UINT cchBufMax, LPDWORD ticks);

WCHAR m_wszPath[MAX_PATH];
    CFileVersionInfo m_VerInfo;
@@ -82,6 +82,8 @@
    DWORD m_cFiles;
     DWORD m_cFolders;
     ULARGE_INTEGER m_DirSize;
+
+    static DWORD _CountFolderAndFilesThreadProc(LPVOID lpParameter);

public:
    CFileDefExt();
@@ -116,4 +118,11 @@
 END_COM_MAP()
 };

-#endif /* _FILE_DEF_EXT_H_ */
+struct _CountFolderAndFilesData {
+    CFileDefExt *This;
+    HWND hwndDlg;
+    LPWSTR pwszBuf;
+    UINT cchBufMax;
+};
+
+#endif /* _FILE_DEF_EXT_H_ */