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, UINT KeyInfo)
	~CInstalledApplicationInfo ()
CRegKey &	GetRegKey ()
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 InstallerType	GetInstallerType (bool NestedType=false) const override
virtual BOOL	UninstallApplication (UninstallCommandFlags Flags) 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 InstallerType	GetInstallerType (bool NestedType=false) const
virtual InstallerType	GetInstallerInfo (CStringW &SilentParameters) const
virtual BOOL	UninstallApplication (UninstallCommandFlags Flags)=0

Public Attributes
UINT	m_KeyInfo
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 200 of file appinfo.h.

Constructor & Destructor Documentation

CInstalledApplicationInfo()

CInstalledApplicationInfo::CInstalledApplicationInfo	(	HKEY	Key,
		const CStringW &	KeyName,
		AppsCategories	Category,
		UINT	KeyInfo
	)

Definition at line 427 of file appinfo.cpp.

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

~CInstalledApplicationInfo()

CInstalledApplicationInfo::~CInstalledApplicationInfo

(

)

Definition at line 441 of file appinfo.cpp.

{
}

Member Function Documentation

AddApplicationRegString()

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

private

Definition at line 446 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 581 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 715 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(), RetrieveUninstallStrings(), and UninstallApplication().

GetApplicationRegString()

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

private

Definition at line 669 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(), RetrieveUninstallStrings(), and UninstallApplication().

GetDisplayInfo()

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

overridevirtual

Implements CAppInfo.

Definition at line 611 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 605 of file appinfo.cpp.

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

GetInstallerType()

InstallerType CInstalledApplicationInfo::GetInstallerType ( bool  NestedType = false ) const

overridevirtual

Reimplemented from CAppInfo.

Definition at line 617 of file appinfo.cpp.

{
    CRegKey reg;
    if (reg.Open(m_hKey, GENERATE_ARPSUBKEY, KEY_READ) == ERROR_SUCCESS)
    {
        return INSTALLER_GENERATE;
    }
    return INSTALLER_UNKNOWN;
}

Referenced by UninstallApplication().

GetRegKey()

CRegKey & CInstalledApplicationInfo::GetRegKey ( )

inline

Definition at line 224 of file appinfo.h.

{ return m_hKey; }

RetrieveIcon()

BOOL CInstalledApplicationInfo::RetrieveIcon ( CStringW &  Path ) const

overridevirtual

Implements CAppInfo.

Definition at line 592 of file appinfo.cpp.

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

RetrieveInstallDate()

VOID CInstalledApplicationInfo::RetrieveInstallDate ( )

private

Definition at line 496 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 599 of file appinfo.cpp.

{
    return FALSE;
}

RetrieveUninstallStrings()

VOID CInstalledApplicationInfo::RetrieveUninstallStrings ( )

private

Definition at line 536 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 460 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 ( UninstallCommandFlags  Flags )

overridevirtual

Implements CAppInfo.

Definition at line 628 of file appinfo.cpp.

{
    if (GetInstallerType() == INSTALLER_GENERATE && (Flags & UCF_SAMEPROCESS))
    {
        return UninstallGenerated(*this, Flags);
    }
 
    BOOL bModify = Flags & UCF_MODIFY;
    if (m_szUninstallString.IsEmpty())
    {
        RetrieveUninstallStrings();
    }
 
    CStringW cmd = bModify ? m_szModifyString : m_szUninstallString;
    if ((Flags & (UCF_MODIFY | UCF_SILENT)) == UCF_SILENT)
    {
        DWORD msi = 0;
        msi = GetApplicationRegDword(L"WindowsInstaller", &msi) && msi;
        if (msi)
        {
            cmd += L" /qn";
        }
        else
        {
            CStringW silentcmd;
            if (GetApplicationRegString(L"QuietUninstallString", silentcmd) && !silentcmd.IsEmpty())
            {
                cmd = silentcmd;
            }
        }
    }
 
    BOOL bSuccess = StartProcess(cmd, TRUE);
 
    if (bSuccess && !bModify)
        WriteLogMessage(EVENTLOG_SUCCESS, MSG_SUCCESS_REMOVE, szDisplayName);
 
    return bSuccess;
}

Valid()

BOOL CInstalledApplicationInfo::Valid ( ) const

overridevirtual

Implements CAppInfo.

Definition at line 575 of file appinfo.cpp.

{
    return !szDisplayName.IsEmpty();
}

Referenced by CAppDB::CreateInstalledAppByRegistryKey().

Member Data Documentation

m_hKey

CRegKey CInstalledApplicationInfo::m_hKey

private

Definition at line 202 of file appinfo.h.

Referenced by GetApplicationRegDword(), GetApplicationRegString(), GetInstallerType(), and GetRegKey().

m_KeyInfo

UINT CInstalledApplicationInfo::m_KeyInfo

Definition at line 220 of file appinfo.h.

Referenced by CAppDB::RemoveInstalledAppFromRegistry().

m_szInstallDate

CStringW CInstalledApplicationInfo::m_szInstallDate

private

Definition at line 203 of file appinfo.h.

Referenced by RetrieveInstallDate(), and ShowAppInfo().

m_szModifyString

CStringW CInstalledApplicationInfo::m_szModifyString

private

Definition at line 205 of file appinfo.h.

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

m_szUninstallString

CStringW CInstalledApplicationInfo::m_szUninstallString

private

Definition at line 204 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