Sweden-Number/dlls/browseui/progressdlg.c

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/*
* Progress dialog
*
* Copyright 2007 Mikolaj Zalewski
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "wine/debug.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "shlwapi.h"
#include "winerror.h"
#include "objbase.h"
#include "shlguid.h"
#include "shlobj.h"
#include "wine/unicode.h"
#include "browseui.h"
#include "resids.h"
WINE_DEFAULT_DEBUG_CHANNEL(browseui);
#define CANCEL_MSG_LINE 2
/* Note: to avoid a deadlock we don't want to send messages to the dialog
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* with the critical section held. Instead we only mark what fields should be
* updated and the dialog proc does the update */
#define UPDATE_PROGRESS 0x1
#define UPDATE_TITLE 0x2
#define UPDATE_LINE1 0x4
#define UPDATE_LINE2 (UPDATE_LINE1<<1)
#define UPDATE_LINE3 (UPDATE_LINE2<<2)
#define WM_DLG_UPDATE (WM_APP+1) /* set to the dialog when it should update */
#define WM_DLG_DESTROY (WM_APP+2) /* DestroyWindow must be called from the owning thread */
typedef struct tagProgressDialog {
const IProgressDialogVtbl *vtbl;
LONG refCount;
CRITICAL_SECTION cs;
HWND hwnd;
DWORD dwFlags;
DWORD dwUpdate;
LPWSTR lines[3];
LPWSTR cancelMsg;
LPWSTR title;
BOOL isCancelled;
ULONGLONG ullCompleted;
ULONGLONG ullTotal;
HWND hwndDisabledParent; /* For modal dialog: the parent that need to be re-enabled when the dialog ends */
} ProgressDialog;
static void set_buffer(LPWSTR *buffer, LPCWSTR string)
{
static const WCHAR empty_string[] = {0};
IMalloc *malloc;
int cb;
if (string == NULL)
string = empty_string;
CoGetMalloc(1, &malloc);
cb = (strlenW(string) + 1)*sizeof(WCHAR);
if (*buffer == NULL || cb > IMalloc_GetSize(malloc, *buffer))
*buffer = IMalloc_Realloc(malloc, *buffer, cb);
memcpy(*buffer, string, cb);
}
struct create_params
{
ProgressDialog *This;
HANDLE hEvent;
HWND hwndParent;
};
static LPWSTR load_string(HINSTANCE hInstance, UINT uiResourceId)
{
WCHAR string[256];
LPWSTR ret;
LoadStringW(hInstance, uiResourceId, string, sizeof(string)/sizeof(string[0]));
ret = HeapAlloc(GetProcessHeap(), 0, (strlenW(string) + 1) * sizeof(WCHAR));
strcpyW(ret, string);
return ret;
}
static void set_progress_marquee(ProgressDialog *This)
{
HWND hProgress = GetDlgItem(This->hwnd, IDC_PROGRESS_BAR);
SetWindowLongW(hProgress, GWL_STYLE,
GetWindowLongW(hProgress, GWL_STYLE)|PBS_MARQUEE);
}
void update_dialog(ProgressDialog *This, DWORD dwUpdate)
{
WCHAR empty[] = {0};
if (dwUpdate & UPDATE_TITLE)
SetWindowTextW(This->hwnd, This->title);
if (dwUpdate & UPDATE_LINE1)
SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE, (This->isCancelled ? empty : This->lines[0]));
if (dwUpdate & UPDATE_LINE2)
SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE+1, (This->isCancelled ? empty : This->lines[1]));
if (dwUpdate & UPDATE_LINE3)
SetDlgItemTextW(This->hwnd, IDC_TEXT_LINE+2, (This->isCancelled ? This->cancelMsg : This->lines[2]));
if (dwUpdate & UPDATE_PROGRESS)
{
ULONGLONG ullTotal = This->ullTotal;
ULONGLONG ullCompleted = This->ullCompleted;
/* progress bar requires 32-bit coordinates */
while (ullTotal >> 32)
{
ullTotal >>= 1;
ullCompleted >>= 1;
}
SendDlgItemMessageW(This->hwnd, IDC_PROGRESS_BAR, PBM_SETRANGE32, 0, (DWORD)ullTotal);
SendDlgItemMessageW(This->hwnd, IDC_PROGRESS_BAR, PBM_SETPOS, (DWORD)ullCompleted, 0);
}
}
static void end_dialog(ProgressDialog *This)
{
SendMessageW(This->hwnd, WM_DLG_DESTROY, 0, 0);
/* native doesn't reenable the window? */
if (This->hwndDisabledParent)
EnableWindow(This->hwndDisabledParent, TRUE);
This->hwnd = NULL;
}
static INT_PTR CALLBACK dialog_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
ProgressDialog *This = (ProgressDialog *)GetWindowLongPtrW(hwnd, DWLP_USER);
switch (msg)
{
case WM_INITDIALOG:
{
struct create_params *params = (struct create_params *)lParam;
/* Note: until we set the hEvent, the object is protected by
* the critical section held by StartProgress */
SetWindowLongPtrW(hwnd, DWLP_USER, (LONG_PTR)params->This);
This = params->This;
This->hwnd = hwnd;
if (This->dwFlags & PROGDLG_NOPROGRESSBAR)
ShowWindow(GetDlgItem(hwnd, IDC_PROGRESS_BAR), SW_HIDE);
if (This->dwFlags & PROGDLG_NOCANCEL)
ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
if (This->dwFlags & PROGDLG_MARQUEEPROGRESS)
set_progress_marquee(This);
if (This->dwFlags & PROGDLG_NOMINIMIZE)
SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) & (~WS_MINIMIZEBOX));
update_dialog(This, 0xffffffff);
This->dwUpdate = 0;
This->isCancelled = FALSE;
SetEvent(params->hEvent);
return TRUE;
}
case WM_DLG_UPDATE:
EnterCriticalSection(&This->cs);
update_dialog(This, This->dwUpdate);
This->dwUpdate = 0;
LeaveCriticalSection(&This->cs);
return TRUE;
case WM_DLG_DESTROY:
DestroyWindow(hwnd);
PostThreadMessageW(GetCurrentThreadId(), WM_NULL, 0, 0); /* wake up the GetMessage */
return TRUE;
case WM_CLOSE:
case WM_COMMAND:
if (msg == WM_CLOSE || wParam == IDCANCEL)
{
EnterCriticalSection(&This->cs);
This->isCancelled = TRUE;
if (!This->cancelMsg)
This->cancelMsg = load_string(BROWSEUI_hinstance, IDS_CANCELLING);
set_progress_marquee(This);
EnableWindow(GetDlgItem(This->hwnd, IDCANCEL), FALSE);
update_dialog(This, UPDATE_LINE1|UPDATE_LINE2|UPDATE_LINE3);
LeaveCriticalSection(&This->cs);
}
return TRUE;
}
return FALSE;
}
static DWORD WINAPI dialog_thread(LPVOID lpParameter)
{
/* Note: until we set the hEvent in WM_INITDIALOG, the ProgressDialog object
* is protected by the critical section held by StartProgress */
struct create_params *params = (struct create_params *)lpParameter;
HWND hwnd;
MSG msg;
hwnd = CreateDialogParamW(BROWSEUI_hinstance, MAKEINTRESOURCEW(IDD_PROGRESS_DLG),
params->hwndParent, dialog_proc, (LPARAM)params);
while (GetMessageW(&msg, NULL, 0, 0) > 0)
{
if (!IsWindow(hwnd))
break;
if(!IsDialogMessageW(hwnd, &msg))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
return 0;
}
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static void ProgressDialog_Destructor(ProgressDialog *This)
{
TRACE("destroying %p\n", This);
if (This->hwnd)
end_dialog(This);
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heap_free(This->lines[0]);
heap_free(This->lines[1]);
heap_free(This->lines[2]);
heap_free(This->cancelMsg);
heap_free(This->title);
heap_free(This);
BROWSEUI_refCount--;
}
static HRESULT WINAPI ProgressDialog_QueryInterface(IProgressDialog *iface, REFIID iid, LPVOID *ppvOut)
{
ProgressDialog *This = (ProgressDialog *)iface;
*ppvOut = NULL;
if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_IProgressDialog))
{
*ppvOut = This;
}
if (*ppvOut)
{
IUnknown_AddRef(iface);
return S_OK;
}
WARN("unsupported interface: %s\n", debugstr_guid(iid));
return E_NOINTERFACE;
}
static ULONG WINAPI ProgressDialog_AddRef(IProgressDialog *iface)
{
ProgressDialog *This = (ProgressDialog *)iface;
return InterlockedIncrement(&This->refCount);
}
static ULONG WINAPI ProgressDialog_Release(IProgressDialog *iface)
{
ProgressDialog *This = (ProgressDialog *)iface;
ULONG ret;
ret = InterlockedDecrement(&This->refCount);
if (ret == 0)
ProgressDialog_Destructor(This);
return ret;
}
static HRESULT WINAPI ProgressDialog_StartProgressDialog(IProgressDialog *iface, HWND hwndParent, IUnknown *punkEnableModeless, DWORD dwFlags, LPCVOID reserved)
{
ProgressDialog *This = (ProgressDialog *)iface;
struct create_params params;
HANDLE hThread;
TRACE("(%p, %p, %x, %p)\n", iface, punkEnableModeless, dwFlags, reserved);
if (punkEnableModeless || reserved)
FIXME("Reserved parameters not null (%p, %p)\n", punkEnableModeless, reserved);
if (dwFlags & PROGDLG_AUTOTIME)
FIXME("Flags PROGDLG_AUTOTIME not supported\n");
if (dwFlags & PROGDLG_NOTIME)
FIXME("Flags PROGDLG_NOTIME not supported\n");
EnterCriticalSection(&This->cs);
if (This->hwnd)
{
LeaveCriticalSection(&This->cs);
return S_OK; /* as on XP */
}
This->dwFlags = dwFlags;
params.This = This;
params.hwndParent = hwndParent;
params.hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
hThread = CreateThread(NULL, 0, dialog_thread, &params, 0, NULL);
WaitForSingleObject(params.hEvent, INFINITE);
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CloseHandle(hThread);
This->hwndDisabledParent = NULL;
if (hwndParent && (dwFlags & PROGDLG_MODAL))
{
HWND hwndDisable = GetAncestor(hwndParent, GA_ROOT);
if (EnableWindow(hwndDisable, FALSE))
This->hwndDisabledParent = hwndDisable;
}
LeaveCriticalSection(&This->cs);
return S_OK;
}
static HRESULT WINAPI ProgressDialog_StopProgressDialog(IProgressDialog *iface)
{
ProgressDialog *This = (ProgressDialog *)iface;
EnterCriticalSection(&This->cs);
if (This->hwnd)
end_dialog(This);
LeaveCriticalSection(&This->cs);
return S_OK;
}
static HRESULT WINAPI ProgressDialog_SetTitle(IProgressDialog *iface, LPCWSTR pwzTitle)
{
ProgressDialog *This = (ProgressDialog *)iface;
HWND hwnd;
TRACE("(%p, %s)\n", This, wine_dbgstr_w(pwzTitle));
EnterCriticalSection(&This->cs);
set_buffer(&This->title, pwzTitle);
This->dwUpdate |= UPDATE_TITLE;
hwnd = This->hwnd;
LeaveCriticalSection(&This->cs);
if (hwnd)
SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
return S_OK;
}
static HRESULT WINAPI ProgressDialog_SetAnimation(IProgressDialog *iface, HINSTANCE hInstance, UINT uiResourceId)
{
FIXME("(%p, %p, %d) - stub\n", iface, hInstance, uiResourceId);
return S_OK;
}
static BOOL WINAPI ProgressDialog_HasUserCancelled(IProgressDialog *iface)
{
ProgressDialog *This = (ProgressDialog *)iface;
return This->isCancelled;
}
static HRESULT WINAPI ProgressDialog_SetProgress64(IProgressDialog *iface, ULONGLONG ullCompleted, ULONGLONG ullTotal)
{
ProgressDialog *This = (ProgressDialog *)iface;
HWND hwnd;
TRACE("(%p, 0x%s, 0x%s)\n", This, wine_dbgstr_longlong(ullCompleted), wine_dbgstr_longlong(ullTotal));
EnterCriticalSection(&This->cs);
This->ullTotal = ullTotal;
This->ullCompleted = ullCompleted;
This->dwUpdate |= UPDATE_PROGRESS;
hwnd = This->hwnd;
LeaveCriticalSection(&This->cs);
if (hwnd)
SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
return S_OK; /* Windows sometimes returns S_FALSE */
}
static HRESULT WINAPI ProgressDialog_SetProgress(IProgressDialog *iface, DWORD dwCompleted, DWORD dwTotal)
{
return IProgressDialog_SetProgress64(iface, dwCompleted, dwTotal);
}
static HRESULT WINAPI ProgressDialog_SetLine(IProgressDialog *iface, DWORD dwLineNum, LPCWSTR pwzLine, BOOL bPath, LPCVOID reserved)
{
ProgressDialog *This = (ProgressDialog *)iface;
HWND hwnd;
TRACE("(%p, %d, %s, %d)\n", This, dwLineNum, wine_dbgstr_w(pwzLine), bPath);
if (reserved)
FIXME("reserved pointer not null (%p)\n", reserved);
dwLineNum--;
if (dwLineNum >= 3) /* Windows seems to do something like that */
dwLineNum = 0;
EnterCriticalSection(&This->cs);
set_buffer(&This->lines[dwLineNum], pwzLine);
This->dwUpdate |= UPDATE_LINE1 << dwLineNum;
hwnd = (This->isCancelled ? NULL : This->hwnd); /* no sense to send the message if window cancelled */
LeaveCriticalSection(&This->cs);
if (hwnd)
SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
return S_OK;
}
static HRESULT WINAPI ProgressDialog_SetCancelMsg(IProgressDialog *iface, LPCWSTR pwzMsg, LPCVOID reserved)
{
ProgressDialog *This = (ProgressDialog *)iface;
HWND hwnd;
TRACE("(%p, %s)\n", This, wine_dbgstr_w(pwzMsg));
if (reserved)
FIXME("reserved pointer not null (%p)\n", reserved);
EnterCriticalSection(&This->cs);
set_buffer(&This->cancelMsg, pwzMsg);
This->dwUpdate |= UPDATE_LINE1 << CANCEL_MSG_LINE;
hwnd = (This->isCancelled ? This->hwnd : NULL); /* no sense to send the message if window not cancelled */
LeaveCriticalSection(&This->cs);
if (hwnd)
SendMessageW(hwnd, WM_DLG_UPDATE, 0, 0);
return S_OK;
}
static HRESULT WINAPI ProgressDialog_Timer(IProgressDialog *iface, DWORD dwTimerAction, LPCVOID reserved)
{
ProgressDialog *This = (ProgressDialog *)iface;
FIXME("(%p, %d, %p) - stub\n", This, dwTimerAction, reserved);
if (reserved)
FIXME("Reserved field not NULL but %p\n", reserved);
return S_OK;
}
static const IProgressDialogVtbl ProgressDialogVtbl =
{
ProgressDialog_QueryInterface,
ProgressDialog_AddRef,
ProgressDialog_Release,
ProgressDialog_StartProgressDialog,
ProgressDialog_StopProgressDialog,
ProgressDialog_SetTitle,
ProgressDialog_SetAnimation,
ProgressDialog_HasUserCancelled,
ProgressDialog_SetProgress,
ProgressDialog_SetProgress64,
ProgressDialog_SetLine,
ProgressDialog_SetCancelMsg,
ProgressDialog_Timer
};
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HRESULT ProgressDialog_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
{
ProgressDialog *This;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
This = heap_alloc_zero(sizeof(ProgressDialog));
if (This == NULL)
return E_OUTOFMEMORY;
This->vtbl = &ProgressDialogVtbl;
This->refCount = 1;
InitializeCriticalSection(&This->cs);
TRACE("returning %p\n", This);
*ppOut = (IUnknown *)This;
BROWSEUI_refCount++;
return S_OK;
}