CInstalledApplicationInfo Class Reference

#include <installed.h>

Collaboration diagram for CInstalledApplicationInfo:

Public Member Functions
	CInstalledApplicationInfo (BOOL bIsUserKey, REGSAM RegWowKey, HKEY hKey, const CStringW &szKeyName)
	~CInstalledApplicationInfo ()
VOID	EnsureDetailsLoaded ()
BOOL	GetApplicationRegString (LPCWSTR lpKeyName, ATL::CStringW &String)
BOOL	GetApplicationRegDword (LPCWSTR lpKeyName, DWORD *lpValue)
BOOL	RetrieveIcon (ATL::CStringW &IconLocation)
BOOL	UninstallApplication (BOOL bModify)
LSTATUS	RemoveFromRegistry ()

Public Attributes
BOOL	bIsUpdate
CStringW	szDisplayIcon
CStringW	szDisplayName
CStringW	szDisplayVersion
CStringW	szComments
CStringW	szPublisher
CStringW	szRegOwner
CStringW	szProductID
CStringW	szHelpLink
CStringW	szHelpTelephone
CStringW	szReadme
CStringW	szContact
CStringW	szURLUpdateInfo
CStringW	szURLInfoAbout
CStringW	szInstallDate
CStringW	szInstallLocation
CStringW	szInstallSource
CStringW	szUninstallString
CStringW	szModifyPath

Private Attributes
BOOL	m_IsUserKey
REGSAM	m_WowKey
HKEY	m_hSubKey
CStringW	m_szKeyName

Detailed Description

Definition at line 6 of file installed.h.

Constructor & Destructor Documentation

CInstalledApplicationInfo()

CInstalledApplicationInfo::CInstalledApplicationInfo	(	BOOL	bIsUserKey,
		REGSAM	RegWowKey,
		HKEY	hKey,
		const CStringW &	szKeyName
	)

Definition at line 15 of file installed.cpp.

    : m_IsUserKey(bIsUserKey)
    , m_WowKey(RegWowKey)
    , m_hSubKey(hKey)
    , m_szKeyName(szKeyName)
{
    DWORD dwSize = 0;
    bIsUpdate = (RegQueryValueExW(m_hSubKey, L"ParentKeyName", NULL, NULL, NULL, &dwSize) == ERROR_SUCCESS);
}

~CInstalledApplicationInfo()

CInstalledApplicationInfo::~CInstalledApplicationInfo

(

)

Definition at line 25 of file installed.cpp.

{
    if (m_hSubKey)
    {
        CloseHandle(m_hSubKey);
        m_hSubKey = NULL;
    }
}

Member Function Documentation

EnsureDetailsLoaded()

void CInstalledApplicationInfo::EnsureDetailsLoaded

(

)

Definition at line 34 of file installed.cpp.

{
    // Key not closed, so we have not loaded details yet
    if (m_hSubKey)
    {
        GetApplicationRegString(L"Publisher", szPublisher);
        GetApplicationRegString(L"RegOwner", szRegOwner);
        GetApplicationRegString(L"ProductID", szProductID);
        GetApplicationRegString(L"HelpLink", szHelpLink);
        GetApplicationRegString(L"HelpTelephone", szHelpTelephone);
        GetApplicationRegString(L"Readme", szReadme);
        GetApplicationRegString(L"Contact", szContact);
        GetApplicationRegString(L"URLUpdateInfo", szURLUpdateInfo);
        GetApplicationRegString(L"URLInfoAbout", szURLInfoAbout);

        DWORD dwInstallTimeStamp;
        SYSTEMTIME InstallLocalTime;
        if (GetApplicationRegString(L"InstallDate", szInstallDate))
        {
            ZeroMemory(&InstallLocalTime, sizeof(InstallLocalTime));
            // Check if we have 8 characters to parse the datetime.
            // Maybe other formats exist as well?
            szInstallDate = szInstallDate.Trim();
            if (szInstallDate.GetLength() == 8)
            {
                InstallLocalTime.wYear = wcstol(szInstallDate.Left(4).GetString(), NULL, 10);
                InstallLocalTime.wMonth = wcstol(szInstallDate.Mid(4, 2).GetString(), NULL, 10);
                InstallLocalTime.wDay = wcstol(szInstallDate.Mid(6, 2).GetString(), NULL, 10);
            }
        }
        // It might be a DWORD (Unix timestamp). try again.
        else if (GetApplicationRegDword(L"InstallDate", &dwInstallTimeStamp))
        {
            FILETIME InstallFileTime;
            SYSTEMTIME InstallSystemTime;

            UnixTimeToFileTime(dwInstallTimeStamp, &InstallFileTime);
            FileTimeToSystemTime(&InstallFileTime, &InstallSystemTime);

            // convert to localtime
            SystemTimeToTzSpecificLocalTime(NULL, &InstallSystemTime, &InstallLocalTime);
        }

        // convert to readable date string
        int cchTimeStrLen = GetDateFormatW(LOCALE_USER_DEFAULT, 0, &InstallLocalTime, NULL, 0, 0);

        GetDateFormatW(
            LOCALE_USER_DEFAULT, // use default locale for current user
            0, &InstallLocalTime, NULL, szInstallDate.GetBuffer(cchTimeStrLen), cchTimeStrLen);
        szInstallDate.ReleaseBuffer();

        GetApplicationRegString(L"InstallLocation", szInstallLocation);
        GetApplicationRegString(L"InstallSource", szInstallSource);
        DWORD dwWindowsInstaller = 0;
        if (GetApplicationRegDword(L"WindowsInstaller", &dwWindowsInstaller) && dwWindowsInstaller)
        {
            // MSI has the same info in Uninstall / modify, so manually build it
            szUninstallString.Format(L"msiexec /x%s", m_szKeyName.GetString());
        }
        else
        {
            GetApplicationRegString(L"UninstallString", szUninstallString);
        }
        DWORD dwNoModify = 0;
        if (!GetApplicationRegDword(L"NoModify", &dwNoModify))
        {
            CStringW Tmp;
            if (GetApplicationRegString(L"NoModify", Tmp))
            {
                dwNoModify = Tmp.GetLength() > 0 ? (Tmp[0] == '1') : 0;
            }
            else
            {
                dwNoModify = 0;
            }
        }
        if (!dwNoModify)
        {
            if (dwWindowsInstaller)
            {
                szModifyPath.Format(L"msiexec /i%s", m_szKeyName.GetString());
            }
            else
            {
                GetApplicationRegString(L"ModifyPath", szModifyPath);
            }
        }

        CloseHandle(m_hSubKey);
        m_hSubKey = NULL;
    }
}

GetApplicationRegDword()

BOOL CInstalledApplicationInfo::GetApplicationRegDword	(	LPCWSTR	lpKeyName,
		DWORD *	lpValue
	)

Definition at line 183 of file installed.cpp.

{
    DWORD dwSize = sizeof(DWORD), dwType;
    if (RegQueryValueExW(m_hSubKey,
        lpKeyName,
        NULL,
        &dwType,
        (LPBYTE)lpValue,
        &dwSize) != ERROR_SUCCESS || dwType != REG_DWORD)
    {
        return FALSE;
    }

    return TRUE;
}

Referenced by EnsureDetailsLoaded().

GetApplicationRegString()

BOOL CInstalledApplicationInfo::GetApplicationRegString	(	LPCWSTR	lpKeyName,
		ATL::CStringW &	String
	)

Definition at line 127 of file installed.cpp.

{
    DWORD dwAllocated = 0, dwSize, dwType;

    // retrieve the size of value first.
    if (RegQueryValueExW(m_hSubKey, lpKeyName, NULL, &dwType, NULL, &dwAllocated) != ERROR_SUCCESS)
    {
        String.Empty();
        return FALSE;
    }

    if (dwType != REG_SZ && dwType != REG_EXPAND_SZ)
    {
        String.Empty();
        return FALSE;
    }

    // query the value
    dwSize = dwAllocated;
    LSTATUS Result =
        RegQueryValueExW(m_hSubKey, lpKeyName, NULL, NULL, (LPBYTE)String.GetBuffer(dwAllocated / sizeof(WCHAR)), &dwSize);

    dwSize = min(dwAllocated, dwSize);
    // CString takes care of zero-terminating it
    String.ReleaseBuffer(dwSize / sizeof(WCHAR));

    if (Result != ERROR_SUCCESS)
    {
        String.Empty();
        return FALSE;
    }

    if (dwType == REG_EXPAND_SZ)
    {
        CStringW Tmp;

        DWORD dwLen = ExpandEnvironmentStringsW(String, NULL, 0);
        if (dwLen > 0)
        {
            BOOL bSuccess = ExpandEnvironmentStringsW(String, Tmp.GetBuffer(dwLen), dwLen) == dwLen;
            Tmp.ReleaseBuffer(dwLen - 1);
            if (bSuccess)
            {
                String = Tmp;
            }
            else
            {
                String.Empty();
                return FALSE;
            }
        }
    }

    return TRUE;
}

Referenced by EnsureDetailsLoaded().

RemoveFromRegistry()

LSTATUS CInstalledApplicationInfo::RemoveFromRegistry

(

)

Definition at line 219 of file installed.cpp.

{
    ATL::CStringW szFullName = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" + m_szKeyName;
    HMODULE hMod = GetModuleHandleW(L"advapi32.dll");
    RegDeleteKeyExWProc pRegDeleteKeyExW;

    // TODO: if there are subkeys inside, simply RegDeleteKeyExW
    // (or RegDeleteKeyW on Server 2003 SP0 and earlier) will fail
    // we don't have RegDeleteTree for ReactOS now. (It's a WinVista API)
    // write a function to delete all subkeys recursively to solve this
    // or consider letting ReactOS having this API

    /* Load RegDeleteKeyExW from advapi32.dll if available */
    if (hMod)
    {
        pRegDeleteKeyExW = (RegDeleteKeyExWProc)GetProcAddress(hMod, "RegDeleteKeyExW");

        if (pRegDeleteKeyExW)
        {
            /* Return it */
            return pRegDeleteKeyExW(m_IsUserKey ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, szFullName, m_WowKey, 0);
        }
    }

    /* Otherwise, return non-Ex function */
    return RegDeleteKeyW(m_IsUserKey ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, szFullName);
}

Referenced by CMainWindow::RemoveSelectedAppFromRegistry().

RetrieveIcon()

BOOL CInstalledApplicationInfo::RetrieveIcon

(

ATL::CStringW &

IconLocation

)

Definition at line 199 of file installed.cpp.

{
    if (szDisplayIcon.IsEmpty())
    {
        return FALSE;
    }
    IconLocation = szDisplayIcon;
    return TRUE;
}

Referenced by CAppsListView::AddInstalledApplication().

UninstallApplication()

BOOL CInstalledApplicationInfo::UninstallApplication

(

BOOL

bModify

)

Definition at line 209 of file installed.cpp.

{
    if (!bModify)
        WriteLogMessage(EVENTLOG_SUCCESS, MSG_SUCCESS_REMOVE, szDisplayName);

    return StartProcess(bModify ? szModifyPath : szUninstallString, TRUE);
}

Referenced by CMainWindow::UninstallSelectedApp().

Member Data Documentation

bIsUpdate

BOOL CInstalledApplicationInfo::bIsUpdate

Definition at line 28 of file installed.h.

Referenced by CInstalledApplicationInfo().

m_hSubKey

HKEY CInstalledApplicationInfo::m_hSubKey

private

Definition at line 11 of file installed.h.

Referenced by CInstalledApplicationInfo(), EnsureDetailsLoaded(), GetApplicationRegDword(), GetApplicationRegString(), and ~CInstalledApplicationInfo().

m_IsUserKey

BOOL CInstalledApplicationInfo::m_IsUserKey

private

Definition at line 9 of file installed.h.

Referenced by RemoveFromRegistry().

m_szKeyName

CStringW CInstalledApplicationInfo::m_szKeyName

private

Definition at line 13 of file installed.h.

Referenced by EnsureDetailsLoaded(), and RemoveFromRegistry().

m_WowKey

REGSAM CInstalledApplicationInfo::m_WowKey

private

Definition at line 10 of file installed.h.

Referenced by RemoveFromRegistry().

szComments

CStringW CInstalledApplicationInfo::szComments

Definition at line 32 of file installed.h.

Referenced by CAppsListView::AddInstalledApplication().

szContact

CStringW CInstalledApplicationInfo::szContact

Definition at line 41 of file installed.h.

Referenced by EnsureDetailsLoaded().

szDisplayIcon

CStringW CInstalledApplicationInfo::szDisplayIcon

Definition at line 29 of file installed.h.

Referenced by RetrieveIcon().

szDisplayName

CStringW CInstalledApplicationInfo::szDisplayName

Definition at line 30 of file installed.h.

Referenced by CAppsListView::AddInstalledApplication(), and UninstallApplication().

szDisplayVersion

CStringW CInstalledApplicationInfo::szDisplayVersion

Definition at line 31 of file installed.h.

Referenced by CAppsListView::AddInstalledApplication().

szHelpLink

CStringW CInstalledApplicationInfo::szHelpLink

Definition at line 38 of file installed.h.

Referenced by EnsureDetailsLoaded().

szHelpTelephone

CStringW CInstalledApplicationInfo::szHelpTelephone

Definition at line 39 of file installed.h.

Referenced by EnsureDetailsLoaded().

szInstallDate

CStringW CInstalledApplicationInfo::szInstallDate

Definition at line 44 of file installed.h.

Referenced by EnsureDetailsLoaded().

szInstallLocation

CStringW CInstalledApplicationInfo::szInstallLocation

Definition at line 45 of file installed.h.

Referenced by EnsureDetailsLoaded().

szInstallSource

CStringW CInstalledApplicationInfo::szInstallSource

Definition at line 46 of file installed.h.

Referenced by EnsureDetailsLoaded().

szModifyPath

CStringW CInstalledApplicationInfo::szModifyPath

Definition at line 48 of file installed.h.

Referenced by EnsureDetailsLoaded(), and UninstallApplication().

szProductID

CStringW CInstalledApplicationInfo::szProductID

Definition at line 37 of file installed.h.

Referenced by EnsureDetailsLoaded().

szPublisher

CStringW CInstalledApplicationInfo::szPublisher

Definition at line 35 of file installed.h.

Referenced by EnsureDetailsLoaded().

szReadme

CStringW CInstalledApplicationInfo::szReadme

Definition at line 40 of file installed.h.

Referenced by EnsureDetailsLoaded().

szRegOwner

CStringW CInstalledApplicationInfo::szRegOwner

Definition at line 36 of file installed.h.

Referenced by EnsureDetailsLoaded().

szUninstallString

CStringW CInstalledApplicationInfo::szUninstallString

Definition at line 47 of file installed.h.

Referenced by EnsureDetailsLoaded(), and UninstallApplication().

szURLInfoAbout

CStringW CInstalledApplicationInfo::szURLInfoAbout

Definition at line 43 of file installed.h.

Referenced by EnsureDetailsLoaded().

szURLUpdateInfo

CStringW CInstalledApplicationInfo::szURLUpdateInfo

Definition at line 42 of file installed.h.

Referenced by EnsureDetailsLoaded().

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The documentation for this class was generated from the following files:

• base/applications/rapps/include/installed.h
• base/applications/rapps/installed.cpp