dlls/browseui/progressdlg.c

   1 /*
   2  *      Progress dialog
   3  *
   4  *      Copyright 2007  Mikolaj Zalewski
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "wine/debug.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winreg.h"
  31 #include "winuser.h"
  32 #include "shlwapi.h"
  33 #include "winerror.h"
  34 #include "objbase.h"
  35
  36 #include "shlguid.h"
  37 #include "shlobj.h"
  38
  39 #include "wine/unicode.h"
  40
  41 #include "browseui.h"
  42 #include "resids.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  45
  46 #define CANCEL_MSG_LINE 2
  47
  48 /* Note: to avoid a deadlock we don't want to send messages to the dialog
  49  * with the critical section held. Instead we only mark what fields should be
  50  * updated and the dialog proc does the update */
  51 #define UPDATE_PROGRESS         0x1
  52 #define UPDATE_TITLE            0x2
  53 #define UPDATE_LINE1            0x4
  54 #define UPDATE_LINE2            (UPDATE_LINE1<<1)
  55 #define UPDATE_LINE3            (UPDATE_LINE2<<2)
  56
  57
  58 #define WM_DLG_UPDATE   (WM_APP+1)  /* set to the dialog when it should update */
  59 #define WM_DLG_DESTROY  (WM_APP+2)  /* DestroyWindow must be called from the owning thread */
  60
  61 typedef struct tagProgressDialog {
  62     const IProgressDialogVtbl *vtbl;
  63     LONG refCount;
  64     CRITICAL_SECTION cs;
  65     HWND hwnd;
  66     DWORD dwFlags;
  67     DWORD dwUpdate;
  68     LPWSTR lines[3];
  69     LPWSTR cancelMsg;
  70     LPWSTR title;
  71     BOOL isCancelled;
  72     ULONGLONG ullCompleted;
  73     ULONGLONG ullTotal;
  74     HWND hwndDisabledParent;    /* For modal dialog: the parent that need to be re-enabled when the dialog ends */
  75 } ProgressDialog;
  76
  77 static void set_buffer(LPWSTR *buffer, LPCWSTR string)
  78 {
  79     static const WCHAR empty_string[] = {0};
  80     IMalloc *malloc;
  81     int cb;
  82
  83     if (string == NULL)
  84         string = empty_string;
  85     CoGetMalloc(1, &malloc);
  86
  87     cb = (strlenW(string) + 1)*sizeof(WCHAR);
  88     if (*buffer == NULL || cb > IMalloc_GetSize(malloc, *buffer))
  89         *buffer = IMalloc_Realloc(malloc, *buffer, cb);
  90     memcpy(*buffer, string, cb);
  91 }
  92
  93 struct create_params
  94 {
  95     ProgressDialog *This;
  96     HANDLE hEvent;
  97     HWND hwndParent;
  98 };
  99
 100 static LPWSTR load_string(HINSTANCE hInstance, UINT uiResourceId)
 101 {
 102     WCHAR string[256];
 103     LPWSTR ret;
 104
 105     LoadStringW(hInstance, uiResourceId, string, sizeof(string)/sizeof(string[0]));
 106     ret = HeapAlloc(GetProcessHeap(), 0, (strlenW(string) + 1) * sizeof(WCHAR));
 107     strcpyW(ret, string);
 108     return ret;
 109 }
 110
 111 static void set_progress_marquee(ProgressDialog *This)
 112 {
 113     HWND hProgress = GetDlgItem(This->hwnd, IDC_PROGRESS_BAR);
 114     SetWindowLongW(hProgress, GWL_STYLE,
 115         GetWindowLongW(hProgress, GWL_STYLE)|PBS_MARQUEE);
 116 }
 117
 118 void update_dialog(ProgressDialog *This, DWORD dwUpdate)
 119 {
 120     WCHAR empty[] = {0};
 121
 122     if (dwUpdate & UPDATE_TITLE)
 123         SetWindowTextW(This->hwnd, This->title);
 124
 125     if (dwUpdate & UPDATE_LINE1)
 126         SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE, (This->isCancelled ? empty : This->lines[0]));
 127     if (dwUpdate & UPDATE_LINE2)
 128         SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE+1, (This->isCancelled ? empty : This->lines[1]));
 129     if (dwUpdate & UPDATE_LINE3)
 130         SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE+2, (This->isCancelled ? This->cancelMsg : This->lines[2]));
 131
 132     if (dwUpdate & UPDATE_PROGRESS)
 133     {
 134         ULONGLONG ullTotal = This->ullTotal;
 135         ULONGLONG ullCompleted = This->ullCompleted;
 136
 137         /* progress bar requires 32-bit coordinates */
 138         while (ullTotal >> 32)
 139         {
 140             ullTotal >>= 1;
 141             ullCompleted >>= 1;
 142         }
 143
 144         SendDlgItemMessageW(This->hwnd, IDC_PROGRESS_BAR, PBM_SETRANGE32, 0, (DWORD)ullTotal);
 145         SendDlgItemMessageW(This->hwnd, IDC_PROGRESS_BAR, PBM_SETPOS, (DWORD)ullCompleted, 0);
 146     }
 147 }
 148
 149 static void end_dialog(ProgressDialog *This)
 150 {
 151     SendMessageW(This->hwnd, WM_DLG_DESTROY, 0, 0);
 152     /* native doesn't reenable the window? */
 153     if (This->hwndDisabledParent)
 154         EnableWindow(This->hwndDisabledParent, TRUE);
 155     This->hwnd = NULL;
 156 }
 157
 158 static INT_PTR CALLBACK dialog_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 159 {
 160     ProgressDialog *This = (ProgressDialog *)GetWindowLongPtrW(hwnd, DWLP_USER);
 161
 162     switch (msg)
 163     {
 164         case WM_INITDIALOG:
 165         {
 166             struct create_params *params = (struct create_params *)lParam;
 167
 168             /* Note: until we set the hEvent, the object is protected by
 169              * the critical section held by StartProgress */
 170             SetWindowLongPtrW(hwnd, DWLP_USER, (LONG_PTR)params->This);
 171             This = params->This;
 172             This->hwnd = hwnd;
 173
 174             if (This->dwFlags & PROGDLG_NOPROGRESSBAR)
 175                 ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS_BAR), SW_HIDE);
 176             if (This->dwFlags & PROGDLG_NOCANCEL)
 177                 ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
 178             if (This->dwFlags & PROGDLG_MARQUEEPROGRESS)
 179                 set_progress_marquee(This);
 180             if (This->dwFlags & PROGDLG_NOMINIMIZE)
 181                 SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) & (~WS_MINIMIZEBOX));
 182
 183             update_dialog(This, 0xffffffff);
 184             This->dwUpdate = 0;
 185             This->isCancelled = FALSE;
 186             SetEvent(params->hEvent);
 187             return TRUE;
 188         }
 189
 190         case WM_DLG_UPDATE:
 191             EnterCriticalSection(&This->cs);
 192             update_dialog(This, This->dwUpdate);
 193             This->dwUpdate = 0;
 194             LeaveCriticalSection(&This->cs);
 195             return TRUE;
 196
 197         case WM_DLG_DESTROY:
 198             DestroyWindow(hwnd);
 199             PostThreadMessageW(GetCurrentThreadId(), WM_NULL, 0, 0); /* wake up the GetMessage */
 200             return TRUE;
 201
 202         case WM_CLOSE:
 203         case WM_COMMAND:
 204             if (msg == WM_CLOSE || wParam == IDCANCEL)
 205             {
 206                 EnterCriticalSection(&This->cs);
 207                 This->isCancelled = TRUE;
 208
 209                 if (!This->cancelMsg)
 210                     This->cancelMsg = load_string(BROWSEUI_hinstance, IDS_CANCELLING);
 211
 212                 set_progress_marquee(This);
 213                 EnableWindow(GetDlgItem(This->hwnd, IDCANCEL), FALSE);
 214                 update_dialog(This, UPDATE_LINE1|UPDATE_LINE2|UPDATE_LINE3);
 215                 LeaveCriticalSection(&This->cs);
 216             }
 217             return TRUE;
 218     }
 219     return FALSE;
 220 }
 221
 222 static DWORD WINAPI dialog_thread(LPVOID lpParameter)
 223 {
 224     /* Note: until we set the hEvent in WM_INITDIALOG, the ProgressDialog object
 225      * is protected by the critical section held by StartProgress */
 226     struct create_params *params = (struct create_params *)lpParameter;
 227     HWND hwnd;
 228     MSG msg;
 229
 230     hwnd = CreateDialogParamW(BROWSEUI_hinstance, MAKEINTRESOURCEW(IDD_PROGRESS_DLG),
 231         params->hwndParent, dialog_proc, (LPARAM)params);
 232
 233     while (GetMessageW(&msg, NULL, 0, 0) > 0)
 234     {
 235         if (!IsWindow(hwnd))
 236             break;
 237         if(!IsDialogMessageW(hwnd, &msg))
 238         {
 239             TranslateMessage(&msg);
 240             DispatchMessageW(&msg);
 241         }
 242     }
 243
 244     return 0;
 245 }
 246
 247 static void ProgressDialog_Destructor(ProgressDialog *This)
 248 {
 249     TRACE("destroying %p\n", This);
 250     if (This->hwnd)
 251         end_dialog(This);
 252     heap_free(This->lines[0]);
 253     heap_free(This->lines[1]);
 254     heap_free(This->lines[2]);
 255     heap_free(This->cancelMsg);
 256     heap_free(This->title);
 257     heap_free(This);
 258     BROWSEUI_refCount--;
 259 }
 260
 261 static HRESULT WINAPI ProgressDialog_QueryInterface(IProgressDialog *iface, REFIID iid, LPVOID *ppvOut)
 262 {
 263     ProgressDialog *This = (ProgressDialog *)iface;
 264     *ppvOut = NULL;
 265
 266     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_IProgressDialog))
 267     {
 268         *ppvOut = This;
 269     }
 270
 271     if (*ppvOut)
 272     {
 273         IUnknown_AddRef(iface);
 274         return S_OK;
 275     }
 276
 277     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 278     return E_NOINTERFACE;
 279 }
 280
 281 static ULONG WINAPI ProgressDialog_AddRef(IProgressDialog *iface)
 282 {
 283     ProgressDialog *This = (ProgressDialog *)iface;
 284     return InterlockedIncrement(&This->refCount);
 285 }
 286
 287 static ULONG WINAPI ProgressDialog_Release(IProgressDialog *iface)
 288 {
 289     ProgressDialog *This = (ProgressDialog *)iface;
 290     ULONG ret;
 291
 292     ret = InterlockedDecrement(&This->refCount);
 293     if (ret == 0)
 294         ProgressDialog_Destructor(This);
 295     return ret;
 296 }
 297
 298 static HRESULT WINAPI ProgressDialog_StartProgressDialog(IProgressDialog *iface, HWND hwndParent, IUnknown *punkEnableModeless, DWORD dwFlags, LPCVOID reserved)
 299 {
 300     ProgressDialog *This = (ProgressDialog *)iface;
 301     struct create_params params;
 302     HANDLE hThread;
 303
 304     TRACE("(%p, %p, %x, %p)\n", iface, punkEnableModeless, dwFlags, reserved);
 305     if (punkEnableModeless || reserved)
 306         FIXME("Reserved parameters not null (%p, %p)\n", punkEnableModeless, reserved);
 307     if (dwFlags & PROGDLG_AUTOTIME)
 308         FIXME("Flags PROGDLG_AUTOTIME not supported\n");
 309     if (dwFlags & PROGDLG_NOTIME)
 310         FIXME("Flags PROGDLG_NOTIME not supported\n");
 311
 312     EnterCriticalSection(&This->cs);
 313
 314     if (This->hwnd)
 315     {
 316         LeaveCriticalSection(&This->cs);
 317         return S_OK;  /* as on XP */
 318     }
 319     This->dwFlags = dwFlags;
 320     params.This = This;
 321     params.hwndParent = hwndParent;
 322     params.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
 323
 324     hThread = CreateThread(NULL, 0, dialog_thread, &params, 0, NULL);
 325     WaitForSingleObject(params.hEvent, INFINITE);
 326
 327     This->hwndDisabledParent = NULL;
 328     if (hwndParent && (dwFlags & PROGDLG_MODAL))
 329     {
 330         HWND hwndDisable = GetAncestor(hwndParent, GA_ROOT);
 331         if (EnableWindow(hwndDisable, FALSE))
 332             This->hwndDisabledParent = hwndDisable;
 333     }
 334
 335     LeaveCriticalSection(&This->cs);
 336
 337     return S_OK;
 338 }
 339
 340 static HRESULT WINAPI ProgressDialog_StopProgressDialog(IProgressDialog *iface)
 341 {
 342     ProgressDialog *This = (ProgressDialog *)iface;
 343
 344     EnterCriticalSection(&This->cs);
 345     if (This->hwnd)
 346         end_dialog(This);
 347     LeaveCriticalSection(&This->cs);
 348
 349     return S_OK;
 350 }
 351
 352 static HRESULT WINAPI ProgressDialog_SetTitle(IProgressDialog *iface, LPCWSTR pwzTitle)
 353 {
 354     ProgressDialog *This = (ProgressDialog *)iface;
 355     HWND hwnd;
 356
 357     TRACE("(%p, %s)\n", This, wine_dbgstr_w(pwzTitle));
 358
 359     EnterCriticalSection(&This->cs);
 360     set_buffer(&This->title, pwzTitle);
 361     This->dwUpdate |= UPDATE_TITLE;
 362     hwnd = This->hwnd;
 363     LeaveCriticalSection(&This->cs);
 364
 365     if (hwnd)
 366         SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
 367
 368     return S_OK;
 369 }
 370
 371 static HRESULT WINAPI ProgressDialog_SetAnimation(IProgressDialog *iface, HINSTANCE hInstance, UINT uiResourceId)
 372 {
 373     FIXME("(%p, %p, %d) - stub\n", iface, hInstance, uiResourceId);
 374     return S_OK;
 375 }
 376
 377 static BOOL WINAPI ProgressDialog_HasUserCancelled(IProgressDialog *iface)
 378 {
 379     ProgressDialog *This = (ProgressDialog *)iface;
 380     return This->isCancelled;
 381 }
 382
 383 static HRESULT WINAPI ProgressDialog_SetProgress64(IProgressDialog *iface, ULONGLONG ullCompleted, ULONGLONG ullTotal)
 384 {
 385     ProgressDialog *This = (ProgressDialog *)iface;
 386     HWND hwnd;
 387
 388     TRACE("(%p, 0x%s, 0x%s)\n", This, wine_dbgstr_longlong(ullCompleted), wine_dbgstr_longlong(ullTotal));
 389
 390     EnterCriticalSection(&This->cs);
 391     This->ullTotal = ullTotal;
 392     This->ullCompleted = ullCompleted;
 393     This->dwUpdate |= UPDATE_PROGRESS;
 394     hwnd = This->hwnd;
 395     LeaveCriticalSection(&This->cs);
 396
 397     if (hwnd)
 398         SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
 399
 400     return S_OK;  /* Windows sometimes returns S_FALSE */
 401 }
 402
 403 static HRESULT WINAPI ProgressDialog_SetProgress(IProgressDialog *iface, DWORD dwCompleted, DWORD dwTotal)
 404 {
 405     return IProgressDialog_SetProgress64(iface, dwCompleted, dwTotal);
 406 }
 407
 408 static HRESULT WINAPI ProgressDialog_SetLine(IProgressDialog *iface, DWORD dwLineNum, LPCWSTR pwzLine, BOOL bPath, LPCVOID reserved)
 409 {
 410     ProgressDialog *This = (ProgressDialog *)iface;
 411     HWND hwnd;
 412
 413     TRACE("(%p, %d, %s, %d)\n", This, dwLineNum, wine_dbgstr_w(pwzLine), bPath);
 414
 415     if (reserved)
 416         FIXME("reserved pointer not null (%p)\n", reserved);
 417
 418     dwLineNum--;
 419     if (dwLineNum >= 3)  /* Windows seems to do something like that */
 420         dwLineNum = 0;
 421
 422     EnterCriticalSection(&This->cs);
 423     set_buffer(&This->lines[dwLineNum], pwzLine);
 424     This->dwUpdate |= UPDATE_LINE1 << dwLineNum;
 425     hwnd = (This->isCancelled ? NULL : This->hwnd); /* no sense to send the message if window cancelled */
 426     LeaveCriticalSection(&This->cs);
 427
 428     if (hwnd)
 429         SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
 430
 431     return S_OK;
 432 }
 433
 434 static HRESULT WINAPI ProgressDialog_SetCancelMsg(IProgressDialog *iface, LPCWSTR pwzMsg, LPCVOID reserved)
 435 {
 436     ProgressDialog *This = (ProgressDialog *)iface;
 437     HWND hwnd;
 438
 439     TRACE("(%p, %s)\n", This, wine_dbgstr_w(pwzMsg));
 440
 441     if (reserved)
 442         FIXME("reserved pointer not null (%p)\n", reserved);
 443
 444     EnterCriticalSection(&This->cs);
 445     set_buffer(&This->cancelMsg, pwzMsg);
 446     This->dwUpdate |= UPDATE_LINE1 << CANCEL_MSG_LINE;
 447     hwnd = (This->isCancelled ? This->hwnd : NULL); /* no sense to send the message if window not cancelled */
 448     LeaveCriticalSection(&This->cs);
 449
 450     if (hwnd)
 451         SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
 452
 453     return S_OK;
 454 }
 455
 456 static HRESULT WINAPI ProgressDialog_Timer(IProgressDialog *iface, DWORD dwTimerAction, LPCVOID reserved)
 457 {
 458     ProgressDialog *This = (ProgressDialog *)iface;
 459
 460     FIXME("(%p, %d, %p) - stub\n", This, dwTimerAction, reserved);
 461
 462     if (reserved)
 463         FIXME("Reserved field not NULL but %p\n", reserved);
 464
 465     return S_OK;
 466 }
 467
 468 static const IProgressDialogVtbl ProgressDialogVtbl =
 469 {
 470     ProgressDialog_QueryInterface,
 471     ProgressDialog_AddRef,
 472     ProgressDialog_Release,
 473
 474     ProgressDialog_StartProgressDialog,
 475     ProgressDialog_StopProgressDialog,
 476     ProgressDialog_SetTitle,
 477     ProgressDialog_SetAnimation,
 478     ProgressDialog_HasUserCancelled,
 479     ProgressDialog_SetProgress,
 480     ProgressDialog_SetProgress64,
 481     ProgressDialog_SetLine,
 482     ProgressDialog_SetCancelMsg,
 483     ProgressDialog_Timer
 484 };
 485
 486 HRESULT ProgressDialog_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
 487 {
 488     ProgressDialog *This;
 489     if (pUnkOuter)
 490         return CLASS_E_NOAGGREGATION;
 491
 492     This = heap_alloc_zero(sizeof(ProgressDialog));
 493     if (This == NULL)
 494         return E_OUTOFMEMORY;
 495
 496     This->vtbl = &ProgressDialogVtbl;
 497     This->refCount = 1;
 498     InitializeCriticalSection(&This->cs);
 499
 500     TRACE("returning %p\n", This);
 501     *ppOut = (IUnknown *)This;
 502     BROWSEUI_refCount++;
 503     return S_OK;
 504 }