windows-nt/Source/XPSP1/NT/admin/pchealth/helpctr/pss/notiflag/notiflag.cpp

1070 lines
33 KiB
C++
Raw Normal View History

2020-09-26 03:20:57 -05:00
// Notiflag.cpp : Defines the entry point for the application.
//***********************************************************************
// Reads a local XML file, hits the given url and gets back xml string
// with another url, places an icon in system tray and links it to the url..
// Copyright : Microsoft Corporation. PSSODEV team.
//
// Author : K J Babu (v-kjbad)
// Pramod Walvekar (v-pramwa)
//
//***********************************************************************
//includes
#include "stdafx.h"
#include "resource.h"
#include "Notiflag.h"
#include <crtdbg.h>
//#define _WIN32_IE 0x0500
#include <shellapi.h>
#include <shlwapi.h>
#include <wininet.h>
#include <ole2.h>
#include <initguid.h>
#include <mstask.h>
#include <wchar.h>
#include <prsht.h>
#include <MPC_main.h>
//#include <atlbase.h> //defined in notiflag.h
//#define WM_ICON WM_USER+333
#define WM_ICON 0xBFFF
#define ID_MYICON 5
// Global Variables:
HINSTANCE g_hInst; // current instance
WCHAR szTitle[_MAX_PATH + 1]; // title bar text
WCHAR szTaskName[_MAX_PATH + 1];
WCHAR szWindowClass[_MAX_PATH + 1]; // window class name
WCHAR szURL[_MAX_PATH + 1]; // URL to call if user clicks on the icon
HRESULT hr = ERROR_SUCCESS;
HWND g_Hwnd;
//******************************************************************
// Main function
//
// checks for the program instance
// reads the client's incident list xml file
// makes a call to remoteURL and reads the returned xml
// adds program's executable path in the registry and
// loads the icon in system area (tray)
// waits for the single click on the icon and on single click
// removes the entry from the registry, load the IE window with URL
// and exits.
//******************************************************************
extern "C" int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
int tmpDbgFlag;
int nNumArgs = 0;
LPCTSTR *cmdArgs = (LPCTSTR*)CommandLineToArgvW(GetCommandLineW(), &nNumArgs);
#ifdef _DEBUG
MessageBox(0, cmdArgs[0], L"app path", 0);
#endif
LoadString(hInstance, IDS_APP_TITLE, szTitle, _MAX_PATH);
// check the previous instance of the program here
// return if program is already running.
HANDLE hMutex = CreateMutex(NULL,TRUE,szTitle);
if(ERROR_ALREADY_EXISTS == GetLastError())
return 0;
/*
* Set the debug-heap flag to keep freed blocks in the
* heap's linked list - This will allow us to catch any
* inadvertent use of freed memory
*/
tmpDbgFlag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
tmpDbgFlag |= _CRTDBG_DELAY_FREE_MEM_DF;
tmpDbgFlag |= _CRTDBG_LEAK_CHECK_DF;
_CrtSetDbgFlag(tmpDbgFlag);
// check if there are any command line parameters
if (nNumArgs > 1)
{
// check if the first parameter is either /t or -t, which indicates AddNotiTask
if((_tcscmp(cmdArgs[1], L"/t") == 0)||(_tcscmp(cmdArgs[1], L"-t") == 0))
{
// as first argument is /t or -t, run the AddNotiTask component
hr = CallAddNotiTask(hInstance, cmdArgs, lpCmdLine);
if(FAILED(hr))
goto endMain;
}
}
else
{
hr = CallNotiflag(hInstance);
if(FAILED(hr))
goto endMain;
//*** change the priorty of the program
SetPriorityClass(GetCurrentProcess(), BELOW_NORMAL_PRIORITY_CLASS);
// ***** All house keeping work done. start the program now...
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
goto endMain;
#ifdef _DEBUG
MessageBox(0, L"Loading Icon...", L"NotiFlag: msg", 0);
#endif
// add the icon in system tray
HICON hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_FLAGICON));
if(hIcon != NULL)
{
BOOL bRet = MyTaskBarAddIcon(g_Hwnd, ID_MYICON, hIcon);
DestroyIcon(hIcon);
if (bRet == FALSE)// failed to create the system icon
goto endMain;
}
#ifdef _DEBUG
MessageBox(0, L"Icon loaded! waiting for click", L"NotiFlag: msg", 0);
#endif
// main message loop
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
#ifdef _DEBUG
MessageBox(0, L"closing NotiFlag program", L"NotiFlag: msg", 0);
#endif
// remove the icon from system tray and do other cleaning, exit.
//
}
CloseHandle(hMutex);
return (int)msg.wParam;
endMain:
CloseHandle(hMutex);
return -1;
}
//*********************************************************************************
// MyRegisterClass
//
// PURPOSE: Registers the window class.
//*********************************************************************************
ATOM MyRegisterClass(HINSTANCE hInstance)
{
USES_CONVERSION;
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_FLAGICON);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCTSTR)IDC_NOTIFLAG;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_FLAGICON );
return RegisterClassEx(&wcex);
}
//*********************************************************************************
// InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//*********************************************************************************
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
// create the window with no display
g_Hwnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
return (g_Hwnd)?TRUE:FALSE;
}
//*********************************************************************************
// WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//*********************************************************************************
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDC_DISABLE: // if user chose to disable task
hr = DisableTask(); // disable the task
if (FAILED(hr))
#ifdef _DEBUG
MessageBox(hWnd,L"Failed to disable task",L"PSSIncidentNotification",MB_OK);
#endif
MyTaskBarDeleteIcon(g_Hwnd,ID_MYICON); // remove icon from tray
DestroyWindow(g_Hwnd); // end application
break;
case IDC_SETFREQUENCY: // if user chose to change the frequency of the task
hr = EditTask(); // display task schedule settings so user can change it
if (FAILED(hr))
#ifdef _DEBUG
MessageBox(hWnd,L"No Changes in task",L"PSSIncidentNotification",MB_OK);
#endif
break;
default:
break;
}
break;
case WM_ICON:
{
if ((UINT)lParam == WM_LBUTTONDOWN)
{
// Show new Browser window with the given URL
ShellExecute(g_Hwnd, L"open", szURL, NULL, NULL, SW_SHOWNORMAL);
MyTaskBarDeleteIcon(g_Hwnd,ID_MYICON);
DestroyWindow(g_Hwnd);
}
//if(((UINT)lParam == 0x204) || ((UINT)lParam == 0x205))
if ((UINT)lParam == WM_RBUTTONDOWN) // if user clicks right button
{
POINT sPoint;
HMENU hMenu=LoadMenu(g_hInst,MAKEINTRESOURCE(IDC_NOTIFLAG)); // load menu
if(hMenu!=NULL)
{
HMENU hSubMenu=GetSubMenu(hMenu,0);
GetCursorPos(&sPoint); // get location of mouse
SetForegroundWindow(hWnd);
TrackPopupMenu(hSubMenu,TPM_LEFTALIGN|TPM_TOPALIGN|TPM_RIGHTBUTTON ,sPoint.x,sPoint.y,0,hWnd,NULL); // track the menu
PostMessage(hWnd, WM_NULL, 0, 0);
DestroyMenu(hMenu);
}
}
break;
}
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
//****************************************************************************
// MyTaskBarAddIcon
//
// adds an icon to system tray.
// Returns : TRUE if successful, or FALSE otherwise.
//****************************************************************************
BOOL MyTaskBarAddIcon(HWND hwnd, UINT uID, HICON hicon)
{
NOTIFYICONDATA tnid={0};
// Find out what version of the shell we are using for tray icon stuff
HINSTANCE hShellDll;
DLLGETVERSIONPROC pDllGetVersion;
DLLVERSIONINFO dvi;
BOOL bUseTrayBalloon = FALSE;
// balloon tooltip is supported only in shell32.dll 5.0, so check the version
hShellDll = LoadLibrary(L"Shell32.dll");
if(hShellDll != NULL)
{
// enable balloon tooltip if IE version is greater than 5
pDllGetVersion = (DLLGETVERSIONPROC) GetProcAddress(hShellDll, "DllGetVersion");
dvi.cbSize = sizeof(dvi);
if(pDllGetVersion != NULL && SUCCEEDED((*pDllGetVersion)(&dvi)))
if(dvi.dwMajorVersion >= 5) bUseTrayBalloon = TRUE;
FreeLibrary(hShellDll);
}
//fill icon structure
tnid.cbSize = sizeof(NOTIFYICONDATA);
tnid.hWnd = hwnd;
tnid.uID = uID;
tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
tnid.uCallbackMessage = WM_ICON;
tnid.hIcon = hicon;
LoadString(g_hInst, IDS_TOOLTIP, tnid.szTip, MAXSTRLEN(tnid.szTip));
if (bUseTrayBalloon) // if IE version supports this then...
{
tnid.uFlags |= NIF_INFO;
tnid.uTimeout = 60000; // in milliseconds
tnid.dwInfoFlags = NIIF_INFO;
LoadString(g_hInst, IDS_BALLOONTITLE, tnid.szInfoTitle, MAXSTRLEN(tnid.szInfoTitle));
LoadString(g_hInst, IDS_BALLOONTIP, tnid.szInfo, MAXSTRLEN(tnid.szInfo));
}
return Shell_NotifyIcon(NIM_ADD, &tnid);
}
//****************************************************************************
// MyTaskBarDeleteIcon
//
// deletes an icon from the taskbar status area.
// Returns : TRUE if successful, or FALSE otherwise.
//****************************************************************************
BOOL MyTaskBarDeleteIcon(HWND hwnd, UINT uID)
{
NOTIFYICONDATA tnid;
tnid.cbSize = sizeof(NOTIFYICONDATA);
tnid.hWnd = hwnd;
tnid.uID = uID;
return Shell_NotifyIcon(NIM_DELETE, &tnid);
}
//****************************************************************************
// LoadThisXml
//
// Load the given file in XMLDOM object and returns that pointer
// Returns : XMLDom pointer
//***************************************************************************
CComPtr<IXMLDOMDocument> LoadThisXml(const WCHAR *csFileName)
{
// get smart pointer to IXMLDOMDocument interface
CComPtr<IXMLDOMDocument> pXmlDoc;
VARIANT vFile;
CComVariant vtest;
VARIANT_BOOL vb=1;
HRESULT hr;
CComBSTR bstrVal(csFileName); // this has the output file
//initialize the variant
VariantInit(&vFile);
vFile.vt = VT_BSTR; //specify that it contains a string
hr = CoCreateInstance(CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, IID_IXMLDOMDocument, (void**)&pXmlDoc);
if (FAILED(hr))
return NULL;
//increase ref count, else pointer will be released twice before CoUnInitialize() and
// will throw exception
pXmlDoc.p->AddRef();
V_BSTR(&vFile) = bstrVal;
pXmlDoc->put_async(VARIANT_FALSE);
hr = pXmlDoc->load(vFile, &vb);
if (FAILED (hr) || vb == 0)
return NULL;
VariantClear(&vFile);
return pXmlDoc;
}
//****************************************************************************
// LoadHTTPRequestXml
//
// Makes the request to the asp page and gets the XML out of Response.
// Returns : XMLDom pointer
//****************************************************************************
CComPtr<IXMLDOMDocument> LoadHTTPRequestXml(WCHAR *csURL, CComPtr<IXMLDOMDocument> pDoc)
{
CComPtr<IXMLDOMDocument> pXmlDoc;
CComPtr<IXMLHttpRequest> pRequest;
CComPtr<IDispatch> pDispRes;
CComPtr<IDispatch> pDisp;
HRESULT hr;
// create an instance of XMLHTTPRequest and open the connection
hr = CoCreateInstance(CLSID_XMLHTTPRequest, NULL, CLSCTX_INPROC_SERVER, IID_IXMLHttpRequest, (void**)&pRequest);
if (FAILED(hr))
goto endRequestXml;
//hr = pRequest->open(CComBSTR(L("POST")), CComBSTR(csURL), _variantL(VARIANT_FALSE));
hr = pRequest->open( CComBSTR( L"POST" ), CComBSTR( csURL ), CComVariant(VARIANT_FALSE), CComVariant(), CComVariant());
if(FAILED(hr))
goto endRequestXml;
hr = pRequest->setRequestHeader(CComBSTR(L"ACCEPT_LANGUAGE"),CComBSTR(L"en-us"));
if(FAILED(hr))
goto endRequestXml;
// send the xml now. Get the Dispatch pointer of XML
hr = pDoc->QueryInterface(IID_IDispatch, (void **)&pDisp);
if (FAILED(hr))
goto endRequestXml;
#ifdef _DEBUG
MessageBox(0, L"calling send", L"NotiFlag: LoadHTTPRequestXml", 0);
#endif
// call send
VARIANT varDisp;
varDisp.vt = VT_DISPATCH;
varDisp.pdispVal = pDisp;
hr = pRequest->send(varDisp);
if (FAILED(hr))
goto endRequestXml;
VariantClear(&varDisp);
#ifdef _DEBUG
MessageBox(0, L"calling getxmlresponse", L"NotiFlag: LoadHTTPRequestXml", 0);
#endif
// Read the response
hr = pRequest->get_responseXML(&pDispRes);
if (FAILED(hr))
goto endRequestXml;
// get the XMLDom pointer from iDispatch
hr = pDispRes->QueryInterface(IID_IXMLDOMDocument, (void **)&pXmlDoc);
if (FAILED(hr))
goto endRequestXml;
return pXmlDoc;
endRequestXml:
return NULL;
}
//***********************************************************************************
// GetNodeValue
//
// Reads the node value from the given XMLDOMDocument and copies into csValue.
// Returns : 0 = success & -ve = error.
//***********************************************************************************
int GetNodeValue(CComPtr<IXMLDOMDocument> pXmlDoc,const WCHAR *csNode, WCHAR *csValue)
{
CComPtr<IXMLDOMNode> pNode;
CComBSTR bstrIdValue(csNode);
CComVariant vIdValue;
HRESULT hr;
// get to the node
hr = pXmlDoc->selectSingleNode(bstrIdValue, &pNode);
if (FAILED(hr) || pNode == NULL)
return -1;
// read the value of the specified tag
hr = pNode->get_nodeValue(&vIdValue);
if (FAILED(hr))
return -1;
{
USES_CONVERSION;
wcscpy( csValue, vIdValue.bstrVal );
}
return 0;
}
//***********************************************************************************
// CallNotiflag
//
// Loads local xml file and extracts url from it, hits the url, retrieves xml string
// Loads the retrieved xml string, checks a few conditions and if met,
// loads an icon in the system tray and when the user clicks on the icon,
// it takes him to that url in the HSS browser
// Returns : S_OK for success, E_FAIL for failure
//***********************************************************************************
HRESULT CallNotiflag(HINSTANCE hInstance)
{
#ifdef _DEBUG
MessageBox(0, L"Notiflag is active", L"Active", 0);
#endif
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, _MAX_PATH);
LoadString(hInstance, IDC_NOTIFLAG, szWindowClass, _MAX_PATH);
MyRegisterClass(hInstance);
hr = CoInitialize(NULL);
if (FAILED(hr))
goto endNoti;
{
//*** to read the xml file info
//declare smart pointers to XMLDOMDocument Interface
CComPtr<IXMLDOMDocument> pSvrXmlDoc;
CComPtr<IXMLDOMDocument> pUserXmlDoc;
//string variables to hold xml file path and node text
WCHAR csXmlFilePath[_MAX_PATH + 1];
WCHAR csUserXmlFile[_MAX_PATH + 1];
WCHAR csNode[_MAX_PATH + 1];
WCHAR csValue[1024];
WCHAR csUserProfile[_MAX_PATH + 1];
csValue[0] = '\0';
// get the user profile path
LoadString(hInstance, IDS_USERPROFILE, csUserProfile, _MAX_PATH);
GetEnvironmentVariable(csUserProfile, csUserXmlFile, _MAX_PATH);
//concatenate the xml file name to the profile path
LoadString(hInstance, IDS_XMLFILEPATH, csXmlFilePath, _MAX_PATH);
_tcscat(csUserXmlFile, csXmlFilePath);
#ifdef _DEBUG
MessageBox(0, csUserXmlFile, L"NotiFlag: client xml", 0);
#endif
// load this xml file
if ((pUserXmlDoc = LoadThisXml(csUserXmlFile)) == NULL)
goto endNoti;
//get the value of the node "IncidentID"
LoadString(hInstance, IDS_INCIDENTID, csNode, _MAX_PATH);
if (GetNodeValue(pUserXmlDoc, csNode, csValue))
goto endNoti;
if (csValue[0] != '\0')
{
//get the value of the node "RemoteURL"
LoadString(hInstance, IDS_REMOTEURL, csNode, _MAX_PATH);
if (GetNodeValue(pUserXmlDoc, csNode, csValue))
goto endNoti;
}
#ifdef _DEBUG
MessageBox(0, L"calling the asp file", L"NotiFlag: msg", 0);
#endif
// load the server ASP page and load returned XML string in XMLDOM
if ((pSvrXmlDoc = LoadHTTPRequestXml(csValue, pUserXmlDoc)) == NULL)
goto endNoti;
_tcscpy(csValue, L"\0");
//get the value of the node "ResponseCount"
LoadString(hInstance, IDS_RESPONSECOUNT, csNode, _MAX_PATH);
if (GetNodeValue(pSvrXmlDoc, csNode, csValue))
goto endNoti;
if ((atoi((const char *)csValue)) <= 0)
goto endNoti;
// else proceed
#ifdef _DEBUG
MessageBox(0, L"reading values", L"NotiFlag: main", 0);
#endif
// load the URL to hit
LoadString(hInstance, IDS_LOCATIONTOHIT, csNode, _MAX_PATH);
if (GetNodeValue(pSvrXmlDoc, csNode, szURL) || szURL == NULL)
goto endNoti;
// load the serverdatetime
LoadString(hInstance, IDS_SERVERDATETIME, csNode, _MAX_PATH);
if (GetNodeValue(pSvrXmlDoc, csNode, csValue))
goto endNoti;
#ifdef _DEBUG
MessageBox(0, L"putting date and saving client xml", L"NotiFlag: main", 0);
#endif
}
//Close the COM library and release resources
CoUninitialize();
return hr=S_OK;
endNoti:
CoUninitialize();
return hr=E_FAIL;
}
//***********************************************************************************
// CallAddNotiTask
//
// Creates a new task in the scheduler
// Returns : S_OK for success, E_FAIL for failure
//***********************************************************************************
HRESULT CallAddNotiTask(HINSTANCE hInstance, LPCTSTR *cmdArgs,LPTSTR lpCmdLine)
{
#ifdef _DEBUG
MessageBox(0, L"AddNotiTask is Active", L"Active", 0);
MessageBox(0, cmdArgs[1], L"First argument", 0);
#endif
hr = CoInitialize(NULL);
if (FAILED(hr))
goto endAddNotiTask;
{
// smart interface pointers
CComPtr<ITaskScheduler> pITS;
CComPtr<IUnknown> pITaskUnknown;
CComPtr<IScheduledWorkItem> pIScheduledWorkItem;
CComPtr<ITaskTrigger> pITaskTrigger;
CComPtr<ITask> pITask;
CComBSTR bstrAccName(lpCmdLine);
CComBSTR bstrVal;
WCHAR szUserName[_MAX_PATH + 1];
WCHAR szRegEntry[_MAX_PATH + 1];
DWORD cchUserName = MAXSTRLEN(szUserName);
if ( !GetUserName( szUserName, &cchUserName ) )
goto endAddNotiTask;
BOOL bTaskExists=FALSE;
// Create a Task Schedular object ...
hr = CoCreateInstance(CLSID_CTaskScheduler,
NULL,
CLSCTX_INPROC_SERVER,
IID_ITaskScheduler,
(void **) &pITS);
if (FAILED(hr))
goto endAddNotiTask;
////////////////////////////////////////////////////////
// Check/Create a work item/Task
////////////////////////////////////////////////////////
LoadString(hInstance, IDS_TASKNAME, szTaskName, _MAX_PATH);
// check if the work item already exists
if(SUCCEEDED(pITS->Activate((LPCWSTR)szTaskName, IID_ITask, &pITaskUnknown)))
{
bTaskExists = TRUE;
hr = pITaskUnknown.QueryInterface(&pITask);
goto endAddNotiTask;
}
else
{
// create a new work item
hr = pITS->NewWorkItem(szTaskName, // Name of task
CLSID_CTask, // Class identifier
IID_ITask, // Interface identifier
(IUnknown**)&pITask); // Address of task interface
}
if (FAILED(hr))
goto endAddNotiTask;
// set the account information
hr = pITask->QueryInterface(IID_IScheduledWorkItem, (void**)&pIScheduledWorkItem);
if (FAILED(hr) || pIScheduledWorkItem==NULL)
goto endAddNotiTask;
hr = pIScheduledWorkItem->SetFlags(TASK_FLAG_RUN_ONLY_IF_LOGGED_ON|TASK_FLAG_INTERACTIVE); // TASK_FLAG_RUN_ONLY_IF_LOGGED_ON);
if (FAILED(hr))
goto endAddNotiTask;
hr = pIScheduledWorkItem->SetAccountInformation((LPCWSTR)szUserName, NULL);
if (FAILED(hr))
goto endAddNotiTask;
// get the exe path ...
{
bstrVal = cmdArgs[0];
hr = pITask->SetApplicationName(bstrVal);
if (FAILED (hr))
goto endAddNotiTask;
}
///////////////////////////////////////////////////////////////////
// Define TASK_TRIGGER structure.
// Check/Create the new trigger.
///////////////////////////////////////////////////////////////////
TASK_TRIGGER pTrigger;
ZeroMemory(&pTrigger, sizeof (TASK_TRIGGER));
pTrigger.cbTriggerSize = sizeof (TASK_TRIGGER);
if (bTaskExists)
{
hr = pIScheduledWorkItem->GetTrigger(0, &pITaskTrigger);
if (FAILED(hr) || pITaskTrigger == NULL)
goto endAddNotiTask;
hr = pITaskTrigger->GetTrigger(&pTrigger);
if (FAILED(hr))
goto endAddNotiTask;
}
else
{
WORD piNewTrigger;
hr = pIScheduledWorkItem->CreateTrigger(&piNewTrigger, &pITaskTrigger);
if (FAILED(hr))
goto endAddNotiTask;
}
if (FAILED(hr) || pITaskTrigger == NULL)
goto endAddNotiTask;
// add the entry in the registry
{
TCHAR szExePath[_MAX_PATH + 1];
HKEY hKey;
if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_CURRENT_USER, L"SOFTWARE\\Microsoft\\PSS\\Notification", 0, KEY_ALL_ACCESS, &hKey))
{
#ifdef _DEBUG
MessageBox(0, L"no registry entry", L"notitask", 0);
#endif
// if key doesnt exist, use default values
pTrigger.wStartHour = 2; // start from the 1st hour
pTrigger.wStartMinute = 0;
pTrigger.MinutesDuration = 1440; // for 24 hours
pTrigger.MinutesInterval = 15; // every 1 hour
// Note that wBeginDay, wBeginMonth, and wBeginYear must
// be set to a valid day, month, and year respectively.
pTrigger.wBeginDay = 1; // Required - 1st
pTrigger.wBeginMonth = 12; // Required - December
pTrigger.wBeginYear = 2000; // Required - 2000
}
else
{
#ifdef _DEBUG
MessageBox(0, L"registry entry exists", L"notitask", 0);
#endif
// if key exists, read from registry
DWORD lpType = 4; // type buffer
DWORD lpData=0; // data buffer
DWORD lpcbData=sizeof(DWORD); // size of data buffer
LoadString(NULL, IDS_WSTARTHOUR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (LPBYTE)&lpData, &lpcbData ))
return -1;
pTrigger.wStartHour = (WORD)lpData; // start from the 1st hour
LoadString(NULL, IDS_WSTARTMINUTE, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (LPBYTE)&lpData, &lpcbData ))
return -1;
pTrigger.wStartMinute = (WORD)lpData;
LoadString(NULL, IDS_MINUTESDURATION, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (LPBYTE)&lpData, &lpcbData ))
return -1;
pTrigger.MinutesDuration = (WORD)lpData; // for 24 hours
LoadString(NULL, IDS_FREQUENCY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (BYTE *)&lpData, &lpcbData ))
return -1;
pTrigger.MinutesInterval = (WORD)lpData; // for 24 hours
LoadString(NULL, IDS_WBEGINDAY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (BYTE *)&lpData, &lpcbData ))
return -1;
pTrigger.wBeginDay = (WORD)lpData; // date of the month
LoadString(NULL, IDS_WBEGINMONTH, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (BYTE *)&lpData, &lpcbData ))
return -1;
pTrigger.wBeginMonth = (WORD)lpData; // month
LoadString(NULL, IDS_WBEGINYEAR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szRegEntry,0, &lpType, (BYTE *)&lpData, &lpcbData ))
return -1;
pTrigger.wBeginYear = (WORD)lpData; // year
}
pTrigger.TriggerType = TASK_TIME_TRIGGER_DAILY;
pTrigger.Type.Daily.DaysInterval = 1; // daily!!
// get the application's executable path
::GetModuleFileName(hInstance, szExePath, _MAX_PATH);
if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_CURRENT_USER, L"SOFTWARE\\Microsoft\\PSS\\Notification", 0, KEY_ALL_ACCESS, &hKey))
{
DWORD dwDisposition;
DWORD szwStartHour = 1;
DWORD szwStartMinute = 0;
DWORD szMinutesDuration=1440;
DWORD szMinutesInterval =15;
DWORD szwBeginDay = 1;
DWORD szwBeginMonth = 12;
DWORD szwBeginYear = 2000;
LoadString(NULL, IDS_REGKEY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegCreateKeyEx(HKEY_CURRENT_USER, szRegEntry, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, &dwDisposition))
return -1;
LoadString(NULL, IDS_WSTARTHOUR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwStartHour, sizeof(szwStartHour)))
return -1;
LoadString(NULL, IDS_WSTARTMINUTE, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwStartMinute, sizeof(szwStartMinute)))
return -1;
LoadString(NULL, IDS_MINUTESDURATION, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szMinutesDuration, sizeof(szMinutesDuration)))
return -1;
LoadString(NULL, IDS_FREQUENCY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szMinutesInterval, sizeof(szMinutesInterval)))
return -1;
LoadString(NULL, IDS_WBEGINDAY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginDay, sizeof(szwBeginDay)))
return -1;
LoadString(NULL, IDS_WBEGINMONTH, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginMonth, sizeof(szwBeginMonth)))
return -1;
LoadString(NULL, IDS_WBEGINYEAR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginYear, sizeof(szwBeginYear)))
return -1;
}
RegCloseKey(hKey);
}
// Call ITaskTrigger::SetTrigger to set trigger criteria.
hr = pITaskTrigger->SetTrigger (&pTrigger);
if (FAILED(hr))
goto endAddNotiTask;
/////////////////////////////////////////////////////////////////
// Call IUnknown::QueryInterface to get a pointer to
// IPersistFile and IPersistFile::Save to save
// the new task to disk.
/////////////////////////////////////////////////////////////////
CComPtr<IPersistFile> pIPersistFile;
hr = pITask->QueryInterface(IID_IPersistFile,
(void **)&pIPersistFile);
if (FAILED(hr) || pIPersistFile == NULL)
goto endAddNotiTask;
hr = pIPersistFile->Save(NULL, FALSE);
if (FAILED(hr))
goto endAddNotiTask;
}
CoUninitialize();
return hr = S_OK;
endAddNotiTask:
CoUninitialize();
return hr=E_FAIL;
}
HRESULT DisableTask()
{
hr = CoInitialize(NULL);
if (FAILED(hr))
goto endDisable;
{
CComPtr<ITaskScheduler> pITS;
CComPtr<IUnknown> pITaskUnknown;
CComPtr<IScheduledWorkItem> pIScheduledWorkItem;
CComPtr<ITaskTrigger> pITaskTrigger;
CComPtr<ITask> pITask;
WCHAR szUserName[_MAX_PATH + 1];
DWORD cchUserName = MAXSTRLEN(szUserName);
if ( !GetUserName( szUserName, &cchUserName ) )
goto endDisable;
hr = CoCreateInstance(CLSID_CTaskScheduler,
NULL,
CLSCTX_INPROC_SERVER,
IID_ITaskScheduler,
(void **) &pITS);
if (FAILED(hr))
goto endDisable;
LoadString(NULL, IDS_TASKNAME, szTaskName, _MAX_PATH);
if(SUCCEEDED(pITS->Activate((LPCWSTR)szTaskName, IID_ITask, &pITaskUnknown)))
{
hr = pITaskUnknown.QueryInterface(&pITask);
if (FAILED(hr))
goto endDisable;
}
hr = pITask->QueryInterface(IID_IScheduledWorkItem, (void**)&pIScheduledWorkItem);
if (FAILED(hr) || pIScheduledWorkItem==NULL)
goto endDisable;
//set the flags to disable the task
hr = pIScheduledWorkItem->SetFlags(TASK_FLAG_RUN_ONLY_IF_LOGGED_ON|TASK_FLAG_INTERACTIVE|TASK_FLAG_DISABLED); // TASK_FLAG_RUN_ONLY_IF_LOGGED_ON);
if (FAILED(hr))
goto endDisable;
// set the account information
hr = pIScheduledWorkItem->SetAccountInformation((LPCWSTR)szUserName, NULL);
if (FAILED(hr))
goto endDisable;
/////////////////////////////////////////////////////////////////
// Call IUnknown::QueryInterface to get a pointer to
// IPersistFile and IPersistFile::Save to save
// the new task to disk.
/////////////////////////////////////////////////////////////////
CComPtr<IPersistFile> pIPersistFile;
hr = pITask->QueryInterface(IID_IPersistFile,
(void **)&pIPersistFile);
if (FAILED(hr) || pIPersistFile == NULL)
goto endDisable;
hr = pIPersistFile->Save(NULL, FALSE);
if (FAILED(hr))
goto endDisable;
}
CoUninitialize();
return hr=S_OK;
endDisable:
CoUninitialize();
return hr=E_FAIL;
}
HRESULT EditTask()
{
hr = CoInitialize(NULL);
if (FAILED(hr))
goto endEdit;
{
CComPtr<ITaskScheduler> pITS;
CComPtr<ITask> pITask;
CComPtr<ITaskTrigger> pITaskTrigger;
hr = CoCreateInstance(CLSID_CTaskScheduler,
NULL,
CLSCTX_INPROC_SERVER,
IID_ITaskScheduler,
(void **) &pITS);
if (FAILED(hr))
goto endEdit;
LoadString(NULL, IDS_TASKNAME, szTaskName, _MAX_PATH);
hr = pITS->Activate(szTaskName,
IID_ITask,
(IUnknown**) &pITask);
if (FAILED(hr))
goto endEdit;
///////////////////////////////////////////////////////////////////
// Call ITask::QueryInterface to retrieve the IProvideTaskPage
// interface, and call IProvideTaskPage::GetPage to retrieve the
// task page.
///////////////////////////////////////////////////////////////////
TASKPAGE tpType = TASKPAGE_SCHEDULE;
BOOL fPersistChanges = TRUE;
HPROPSHEETPAGE phPage;
CComPtr<IProvideTaskPage> pIProvTaskPage;
hr = pITask->QueryInterface(IID_IProvideTaskPage,
(void **)&pIProvTaskPage);
if (FAILED(hr))
goto endEdit;
hr = pIProvTaskPage->GetPage(tpType,
fPersistChanges,
&phPage);
if (FAILED(hr))
goto endEdit;
//////////////////////////////////////////////////////////////////
// Display the page using additional code
//////////////////////////////////////////////////////////////////
PROPSHEETHEADER psh;
ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
psh.dwSize = sizeof(PROPSHEETHEADER);
psh.dwFlags = PSH_DEFAULT | PSH_NOAPPLYNOW;
psh.phpage = &phPage;
psh.nPages = 1;
INT_PTR psResult = PropertySheet(&psh);
if (psResult <= 0)
goto endEdit;
///////////////////////////////////////////////////////////////////
// Define TASK_TRIGGER structure.
// Check/Create the new trigger.
///////////////////////////////////////////////////////////////////
TASK_TRIGGER pTrigger;
ZeroMemory(&pTrigger, sizeof (TASK_TRIGGER));
pTrigger.cbTriggerSize = sizeof (TASK_TRIGGER);
hr = pITask->GetTrigger(0, &pITaskTrigger);
if (FAILED(hr) || pITaskTrigger == NULL)
goto endEdit;
hr = pITaskTrigger->GetTrigger(&pTrigger);
if (FAILED(hr))
goto endEdit;
// add the entry in the registry
{
DWORD szwStartHour = 1;
DWORD szwStartMinute = 0;
DWORD szMinutesDuration = 1440;
DWORD szMinutesInterval =15;
DWORD szwBeginDay = 1;
DWORD szwBeginMonth = 12;
DWORD szwBeginYear = 2000;
WCHAR szRegEntry[_MAX_PATH + 1];
HKEY hKey;
szwStartHour = pTrigger.wStartHour;
szwStartMinute = pTrigger.wStartMinute;
szMinutesInterval = pTrigger.MinutesInterval;
szMinutesDuration = pTrigger.MinutesDuration;
szwBeginDay = pTrigger.wBeginDay;
szwBeginMonth = pTrigger.wBeginMonth;
szwBeginYear = pTrigger.wBeginYear;
LoadString(NULL, IDS_REGKEY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER, szRegEntry, 0, KEY_ALL_ACCESS, &hKey))
{
LoadString(NULL, IDS_WSTARTHOUR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwStartHour, sizeof(szwStartHour)))
goto endEdit;
LoadString(NULL, IDS_WSTARTMINUTE, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwStartMinute, sizeof(szwStartMinute)))
goto endEdit;
LoadString(NULL, IDS_MINUTESDURATION, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szMinutesDuration, sizeof(szMinutesDuration)))
goto endEdit;
LoadString(NULL, IDS_FREQUENCY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szMinutesInterval, sizeof(szMinutesInterval)))
goto endEdit;
LoadString(NULL, IDS_WBEGINDAY, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginDay, sizeof(szwBeginDay)))
goto endEdit;
LoadString(NULL, IDS_WBEGINMONTH, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginMonth, sizeof(szwBeginMonth)))
goto endEdit;
LoadString(NULL, IDS_WBEGINYEAR, szRegEntry, _MAX_PATH);
if (ERROR_SUCCESS != RegSetValueEx(hKey, szRegEntry, 0, REG_DWORD, (const BYTE *)&szwBeginYear, sizeof(szwBeginYear)))
goto endEdit;
}
RegCloseKey(hKey);
}
}
CoUninitialize();
return hr=S_OK;
endEdit:
CoUninitialize();
return hr=E_FAIL;
}