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/* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mobile Application Link.
*
* The Initial Developer of the Original Code is AvantGo, Inc.
* Portions created by AvantGo, Inc. are Copyright (C) 1997-1999
* AvantGo, Inc. All Rights Reserved.
*
* Contributor(s):
*/
/* Owner: miket */
#ifdef _WIN32
#include <AGTimeoutMessageBox.h>
#include <tchar.h>
#include <stdlib.h>
#include <stdio.h>
const UINT kMillisecondsToWaitForDialog = 500;
typedef struct {
DWORD mainThreadId;
UINT uMillisecondsBeforeTimeout;
LPTSTR szWindowTitle;
LPTSTR szStartTitle;
HANDLE finishEvent;
} messageBoxData;
typedef struct {
HWND hwndFound;
LPTSTR szWindowTitle;
} enumData;
static BOOL CALLBACK enumThreadWndProc(HWND hwnd, LPARAM lParam)
{
TCHAR classname[MAX_PATH];
BOOL result = TRUE;
enumData * enumResult = (enumData *)lParam;
GetClassName(hwnd, classname, MAX_PATH);
if (!_tcscmp(classname, _T("#32770")))
{
TCHAR windowtitle[MAX_PATH];
GetWindowText(hwnd, windowtitle, MAX_PATH);
if (!_tcscmp(windowtitle, enumResult->szWindowTitle))
enumResult->hwndFound = hwnd;
result = FALSE;
}
return result;
}
HWND findMessageBox(DWORD threadId, LPTSTR title)
{
enumData enumResult;
enumResult.hwndFound = NULL;
enumResult.szWindowTitle = title;
EnumThreadWindows(threadId, enumThreadWndProc, (LPARAM)&enumResult);
return enumResult.hwndFound;
}
static UINT reduceToZero(UINT start, UINT delta)
{
if (delta >= start)
return 0;
return start - delta;
}
static stuffInSeconds(LPTSTR buf, LPTSTR proto, UINT secs)
{
_stprintf(buf, proto, secs / 1000);
}
static unsigned int _stdcall messageBoxTimeout(void * out)
{
messageBoxData * mbData;
HWND hwndMB;
LPTSTR titleBuf;
DWORD waitresult;
mbData = (messageBoxData *)out;
/* Wait for the message box to come up */
Sleep(kMillisecondsToWaitForDialog);
/* Get handle to the message box. */
hwndMB = findMessageBox(mbData->mainThreadId,
mbData->szStartTitle);
if (NULL == hwndMB)
return 0;
titleBuf = (LPTSTR)malloc((_tcslen(mbData->szWindowTitle) + 16)
* sizeof(TCHAR));
if (NULL != titleBuf) {
UINT waitDelta = 1000;
while (mbData->uMillisecondsBeforeTimeout > 0) {
waitresult = WaitForSingleObject(mbData->finishEvent,
min(waitDelta, mbData->uMillisecondsBeforeTimeout));
if (WAIT_TIMEOUT == waitresult) {
mbData->uMillisecondsBeforeTimeout = reduceToZero(
mbData->uMillisecondsBeforeTimeout,
waitDelta);
stuffInSeconds(titleBuf,
mbData->szWindowTitle,
mbData->uMillisecondsBeforeTimeout);
if (IsWindow(hwndMB))
SetWindowText(hwndMB, titleBuf);
}
else
mbData->uMillisecondsBeforeTimeout = 0;
}
if (IsWindow(hwndMB))
EndDialog(hwndMB, IDOK);
free(titleBuf);
}
return 0;
}
int MessageBoxTimeout(HWND hWnd,
LPTSTR lpText,
LPTSTR lpCaption,
UINT uType,
UINT uMillisecondsBeforeTimeout)
{
int result = 0;
DWORD threadId;
LPTSTR titleProto = TEXT("%s (%s seconds until dismissed)");
TCHAR titleProtoBuf[MAX_PATH];
TCHAR startBuf[MAX_PATH];
messageBoxData mbData;
HANDLE threadHandle = NULL;
memset(&mbData, 0, sizeof(mbData));
_stprintf(titleProtoBuf, titleProto, lpCaption, TEXT("%d"));
mbData.mainThreadId = GetCurrentThreadId();
mbData.uMillisecondsBeforeTimeout = uMillisecondsBeforeTimeout;
mbData.szWindowTitle = titleProtoBuf;
mbData.finishEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
threadHandle = CreateThread(NULL,
0,
messageBoxTimeout,
&mbData,
0,
&threadId);
stuffInSeconds(startBuf,
titleProtoBuf,
mbData.uMillisecondsBeforeTimeout);
mbData.szStartTitle = startBuf;
result = MessageBox(hWnd, lpText, startBuf, uType);
SetEvent(mbData.finishEvent);
CloseHandle(mbData.finishEvent);
WaitForSingleObject(threadHandle, INFINITE);
return result;
}
#endif /* #ifdef _WIN32 */
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