CInstalledApplicationInfo Class Reference

#include <appinfo.h>

Inheritance diagram for CInstalledApplicationInfo:

Collaboration diagram for CInstalledApplicationInfo:

Public Member Functions
	CInstalledApplicationInfo (HKEY Key, const CStringW &KeyName, AppsCategories Category, int KeyIndex)
	~CInstalledApplicationInfo ()
virtual BOOL	Valid () const override
virtual BOOL	CanModify () override
virtual BOOL	RetrieveIcon (CStringW &Path) const override
virtual BOOL	RetrieveScreenshot (CStringW &Path) override
virtual VOID	ShowAppInfo (CAppRichEdit *RichEdit) override
virtual VOID	GetDownloadInfo (CStringW &Url, CStringW &Sha1, ULONG &SizeInBytes) const override
virtual VOID	GetDisplayInfo (CStringW &License, CStringW &Size, CStringW &UrlSite, CStringW &UrlDownload) override
virtual BOOL	UninstallApplication (BOOL bModify) override
Public Member Functions inherited from CAppInfo
	CAppInfo (const CStringW &Identifier, AppsCategories Category)
virtual	~CAppInfo ()
virtual BOOL	Valid () const =0
virtual BOOL	CanModify ()=0
virtual BOOL	RetrieveIcon (CStringW &Path) const =0
virtual BOOL	RetrieveScreenshot (CStringW &Path)=0
virtual VOID	ShowAppInfo (CAppRichEdit *RichEdit)=0
virtual VOID	GetDownloadInfo (CStringW &Url, CStringW &Sha1, ULONG &SizeInBytes) const =0
virtual VOID	GetDisplayInfo (CStringW &License, CStringW &Size, CStringW &UrlSite, CStringW &UrlDownload)=0
virtual BOOL	UninstallApplication (BOOL bModify)=0

Public Attributes
const int	iKeyIndex
Public Attributes inherited from CAppInfo
const CStringW	szIdentifier
const AppsCategories	iCategory
CStringW	szDisplayIcon
CStringW	szDisplayName
CStringW	szDisplayVersion
CStringW	szComments

Private Member Functions
BOOL	GetApplicationRegString (LPCWSTR lpKeyName, CStringW &String)
BOOL	GetApplicationRegDword (LPCWSTR lpKeyName, DWORD *lpValue)
VOID	AddApplicationRegString (CAppRichEdit *RichEdit, UINT StringID, const CStringW &String, DWORD TextFlags)
VOID	RetrieveInstallDate ()
VOID	RetrieveUninstallStrings ()

Private Attributes
CRegKey	m_hKey
CStringW	m_szInstallDate
CStringW	m_szUninstallString
CStringW	m_szModifyString

Detailed Description

Definition at line 146 of file appinfo.h.

Constructor & Destructor Documentation

CInstalledApplicationInfo()

CInstalledApplicationInfo::CInstalledApplicationInfo	(	HKEY	Key,
		const CStringW &	KeyName,
		AppsCategories	Category,
		int	KeyIndex
	)

Definition at line 367 of file appinfo.cpp.

    : CAppInfo(KeyName, Category), m_hKey(Key), iKeyIndex(KeyIndex)
{
    if (GetApplicationRegString(L"DisplayName", szDisplayName))
    {
        GetApplicationRegString(L"DisplayIcon", szDisplayIcon);
        GetApplicationRegString(L"DisplayVersion", szDisplayVersion);
        GetApplicationRegString(L"Comments", szComments);
    }
}

~CInstalledApplicationInfo()

CInstalledApplicationInfo::~CInstalledApplicationInfo

(

)

Definition at line 382 of file appinfo.cpp.

{
}

Member Function Documentation

AddApplicationRegString()

VOID CInstalledApplicationInfo::AddApplicationRegString ( CAppRichEdit *  RichEdit, UINT  StringID, const CStringW &  String, DWORD  TextFlags  )

private

Definition at line 387 of file appinfo.cpp.

{
    CStringW Tmp;
    if (GetApplicationRegString(String, Tmp))
    {
        RichEdit->InsertTextWithString(StringID, Tmp, TextFlags);
    }
}

Referenced by ShowAppInfo().

CanModify()

BOOL CInstalledApplicationInfo::CanModify ( )

overridevirtual

Implements CAppInfo.

Definition at line 522 of file appinfo.cpp.

{
    if (m_szUninstallString.IsEmpty())
    {
        RetrieveUninstallStrings();
    }
 
    return !m_szModifyString.IsEmpty();
}

GetApplicationRegDword()

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

private

Definition at line 620 of file appinfo.cpp.

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

Referenced by RetrieveInstallDate(), and RetrieveUninstallStrings().

GetApplicationRegString()

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

private

Definition at line 574 of file appinfo.cpp.

{
    ULONG nChars = 0;
    // Get the size
    if (m_hKey.QueryStringValue(lpKeyName, NULL, &nChars) != ERROR_SUCCESS)
    {
        String.Empty();
        return FALSE;
    }
 
    LPWSTR Buffer = String.GetBuffer(nChars);
    LONG lResult = m_hKey.QueryStringValue(lpKeyName, Buffer, &nChars);
    if (nChars > 0 && Buffer[nChars - 1] == UNICODE_NULL)
        nChars--;
    String.ReleaseBuffer(nChars);
 
    if (lResult != ERROR_SUCCESS)
    {
        String.Empty();
        return FALSE;
    }
 
    if (String.Find('%') >= 0)
    {
        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 AddApplicationRegString(), CInstalledApplicationInfo(), RetrieveInstallDate(), and RetrieveUninstallStrings().

GetDisplayInfo()

VOID CInstalledApplicationInfo::GetDisplayInfo ( CStringW &  License, CStringW &  Size, CStringW &  UrlSite, CStringW &  UrlDownload  )

overridevirtual

Implements CAppInfo.

Definition at line 552 of file appinfo.cpp.

{
    ATLASSERT(FALSE && "Should not be called");
}

GetDownloadInfo()

VOID CInstalledApplicationInfo::GetDownloadInfo ( CStringW &  Url, CStringW &  Sha1, ULONG &  SizeInBytes  ) const

overridevirtual

Implements CAppInfo.

Definition at line 546 of file appinfo.cpp.

{
    ATLASSERT(FALSE && "Should not be called");
}

RetrieveIcon()

BOOL CInstalledApplicationInfo::RetrieveIcon ( CStringW &  Path ) const

overridevirtual

Implements CAppInfo.

Definition at line 533 of file appinfo.cpp.

{
    Path = szDisplayIcon;
    return !Path.IsEmpty();
}

RetrieveInstallDate()

VOID CInstalledApplicationInfo::RetrieveInstallDate ( )

private

Definition at line 437 of file appinfo.cpp.

{
    DWORD dwInstallTimeStamp;
    SYSTEMTIME InstallLocalTime;
    if (GetApplicationRegString(L"InstallDate", m_szInstallDate))
    {
        ZeroMemory(&InstallLocalTime, sizeof(InstallLocalTime));
        // Check if we have 8 characters to parse the datetime.
        // Maybe other formats exist as well?
        m_szInstallDate = m_szInstallDate.Trim();
        if (m_szInstallDate.GetLength() == 8)
        {
            InstallLocalTime.wYear = wcstol(m_szInstallDate.Left(4).GetString(), NULL, 10);
            InstallLocalTime.wMonth = wcstol(m_szInstallDate.Mid(4, 2).GetString(), NULL, 10);
            InstallLocalTime.wDay = wcstol(m_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, m_szInstallDate.GetBuffer(cchTimeStrLen), cchTimeStrLen);
    m_szInstallDate.ReleaseBuffer();
}

Referenced by ShowAppInfo().

RetrieveScreenshot()

BOOL CInstalledApplicationInfo::RetrieveScreenshot ( CStringW &  Path )

overridevirtual

Implements CAppInfo.

Definition at line 540 of file appinfo.cpp.

{
    return FALSE;
}

RetrieveUninstallStrings()

VOID CInstalledApplicationInfo::RetrieveUninstallStrings ( )

private

Definition at line 477 of file appinfo.cpp.

{
    DWORD dwWindowsInstaller = 0;
    if (GetApplicationRegDword(L"WindowsInstaller", &dwWindowsInstaller) && dwWindowsInstaller)
    {
        // MSI has the same info in Uninstall / modify, so manually build it
        m_szUninstallString.Format(L"msiexec /x%s", szIdentifier.GetString());
    }
    else
    {
        GetApplicationRegString(L"UninstallString", m_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)
        {
            m_szModifyString.Format(L"msiexec /i%s", szIdentifier.GetString());
        }
        else
        {
            GetApplicationRegString(L"ModifyPath", m_szModifyString);
        }
    }
}

Referenced by CanModify(), ShowAppInfo(), and UninstallApplication().

ShowAppInfo()

VOID CInstalledApplicationInfo::ShowAppInfo ( CAppRichEdit *  RichEdit )

overridevirtual

Implements CAppInfo.

Definition at line 401 of file appinfo.cpp.

{
    RichEdit->SetText(szDisplayName, CFE_BOLD);
    RichEdit->InsertText(L"\n", 0);
 
    RichEdit->InsertTextWithString(IDS_INFO_VERSION, szDisplayVersion, 0);
    AddApplicationRegString(RichEdit, IDS_INFO_PUBLISHER, L"Publisher", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_REGOWNER, L"RegOwner", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_PRODUCTID, L"ProductID", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_HELPLINK, L"HelpLink", CFM_LINK);
    AddApplicationRegString(RichEdit, IDS_INFO_HELPPHONE, L"HelpTelephone", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_README, L"Readme", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_CONTACT, L"Contact", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_UPDATEINFO, L"URLUpdateInfo", CFM_LINK);
    AddApplicationRegString(RichEdit, IDS_INFO_INFOABOUT, L"URLInfoAbout", CFM_LINK);
    RichEdit->InsertTextWithString(IDS_INFO_COMMENTS, szComments, 0);
 
    if (m_szInstallDate.IsEmpty())
    {
        RetrieveInstallDate();
    }
 
    RichEdit->InsertTextWithString(IDS_INFO_INSTALLDATE, m_szInstallDate, 0);
    AddApplicationRegString(RichEdit, IDS_INFO_INSTLOCATION, L"InstallLocation", 0);
    AddApplicationRegString(RichEdit, IDS_INFO_INSTALLSRC, L"InstallSource", 0);
 
    if (m_szUninstallString.IsEmpty())
    {
        RetrieveUninstallStrings();
    }
 
    RichEdit->InsertTextWithString(IDS_INFO_UNINSTALLSTR, m_szUninstallString, 0);
    RichEdit->InsertTextWithString(IDS_INFO_MODIFYPATH, m_szModifyString, 0);
}

UninstallApplication()

BOOL CInstalledApplicationInfo::UninstallApplication ( BOOL  bModify )

overridevirtual

Implements CAppInfo.

Definition at line 558 of file appinfo.cpp.

{
    if (m_szUninstallString.IsEmpty())
    {
        RetrieveUninstallStrings();
    }
 
    BOOL bSuccess = StartProcess(bModify ? m_szModifyString : m_szUninstallString, TRUE);
 
    if (bSuccess && !bModify)
        WriteLogMessage(EVENTLOG_SUCCESS, MSG_SUCCESS_REMOVE, szDisplayName);
 
    return bSuccess;
}

Valid()

BOOL CInstalledApplicationInfo::Valid ( ) const

overridevirtual

Implements CAppInfo.

Definition at line 516 of file appinfo.cpp.

{
    return !szDisplayName.IsEmpty();
}

Member Data Documentation

iKeyIndex

const int CInstalledApplicationInfo::iKeyIndex

Definition at line 166 of file appinfo.h.

Referenced by CAppDB::RemoveInstalledAppFromRegistry().

m_hKey

CRegKey CInstalledApplicationInfo::m_hKey

private

Definition at line 148 of file appinfo.h.

Referenced by GetApplicationRegDword(), and GetApplicationRegString().

m_szInstallDate

CStringW CInstalledApplicationInfo::m_szInstallDate

private

Definition at line 149 of file appinfo.h.

Referenced by RetrieveInstallDate(), and ShowAppInfo().

m_szModifyString

CStringW CInstalledApplicationInfo::m_szModifyString

private

Definition at line 151 of file appinfo.h.

Referenced by CanModify(), RetrieveUninstallStrings(), ShowAppInfo(), and UninstallApplication().

m_szUninstallString

CStringW CInstalledApplicationInfo::m_szUninstallString

private

Definition at line 150 of file appinfo.h.

Referenced by CanModify(), RetrieveUninstallStrings(), ShowAppInfo(), and UninstallApplication().

---

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

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