path: root/application/palemoon/installer/windows/nsis/uninstaller.nsi

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# Required Plugins:
# AppAssocReg http://nsis.sourceforge.net/Application_Association_Registration_plug-in
# CityHash    http://mxr.mozilla.org/mozilla-central/source/other-licenses/nsis/Contrib/CityHash
# ShellLink   http://nsis.sourceforge.net/ShellLink_plug-in
# UAC         http://nsis.sourceforge.net/UAC_plug-in

; Set verbosity to 3 (e.g. no script) to lessen the noise in the build logs
!verbose 3

; 7-Zip provides better compression than the lzma from NSIS so we add the files
; uncompressed and use 7-Zip to create a SFX archive of it
SetDatablockOptimize on
SetCompress off
CRCCheck on

RequestExecutionLevel user

!addplugindir ./

; On Vista and above attempt to elevate Standard Users in addition to users that
; are a member of the Administrators group.
!define NONADMIN_ELEVATE

; prevents compiling of the reg write logging.
!define NO_LOG

!define MaintUninstallKey \
 "Software\Microsoft\Windows\CurrentVersion\Uninstall\MozillaMaintenanceService"

Var TmpVal

; Other included files may depend upon these includes!
; The following includes are provided by NSIS.
!include FileFunc.nsh
!include LogicLib.nsh
!include MUI.nsh
!include WinMessages.nsh
!include WinVer.nsh
!include WordFunc.nsh

!insertmacro GetSize
!insertmacro StrFilter
!insertmacro WordReplace

!insertmacro un.GetParent

; The following includes are custom.
!include branding.nsi
!include defines.nsi
!include common.nsh
!include locales.nsi

; This is named BrandShortName helper because we use this for software update
; post update cleanup.
VIAddVersionKey "FileDescription" "${BrandShortName} Helper"
VIAddVersionKey "OriginalFilename" "helper.exe"

!insertmacro AddDisabledDDEHandlerValues
!insertmacro CleanVirtualStore
!insertmacro ElevateUAC
!insertmacro GetLongPath
!insertmacro GetPathFromString
!insertmacro InitHashAppModelId
!insertmacro IsHandlerForInstallDir
!insertmacro IsPinnedToTaskBar
!insertmacro LogDesktopShortcut
!insertmacro LogQuickLaunchShortcut
!insertmacro LogStartMenuShortcut
!insertmacro PinnedToStartMenuLnkCount
!insertmacro RegCleanAppHandler
!insertmacro RegCleanMain
!insertmacro RegCleanUninstall
!insertmacro SetAppLSPCategories
!insertmacro SetBrandNameVars
!insertmacro UpdateShortcutAppModelIDs
!insertmacro UnloadUAC
!insertmacro WriteRegDWORD2
!insertmacro WriteRegStr2

!insertmacro un.ChangeMUIHeaderImage
!insertmacro un.CheckForFilesInUse
!insertmacro un.CleanUpdateDirectories
!insertmacro un.CleanVirtualStore
!insertmacro un.DeleteRelativeProfiles
!insertmacro un.DeleteShortcuts
!insertmacro un.GetLongPath
!insertmacro un.GetSecondInstallPath
!insertmacro un.InitHashAppModelId
!insertmacro un.ManualCloseAppPrompt
!insertmacro un.ParseUninstallLog
!insertmacro un.RegCleanAppHandler
!insertmacro un.RegCleanFileHandler
!insertmacro un.RegCleanMain
!insertmacro un.RegCleanUninstall
!insertmacro un.RegCleanProtocolHandler
!insertmacro un.RemoveQuotesFromPath
!insertmacro un.SetAppLSPCategories
!insertmacro un.SetBrandNameVars

!include shared.nsh

; Helper macros for ui callbacks. Insert these after shared.nsh
!insertmacro OnEndCommon
!insertmacro UninstallOnInitCommon

!insertmacro un.OnEndCommon
!insertmacro un.UninstallUnOnInitCommon

Name "${BrandFullName}"
OutFile "helper.exe"
!ifdef HAVE_64BIT_BUILD
  InstallDir "$PROGRAMFILES64\${BrandFullName}\"
!else
  InstallDir "$PROGRAMFILES32\${BrandFullName}\"
!endif
ShowUnInstDetails nevershow

################################################################################
# Modern User Interface - MUI

!define MUI_ABORTWARNING
!define MUI_ICON setup.ico
!define MUI_UNICON setup.ico
!define MUI_WELCOMEPAGE_TITLE_3LINES
!define MUI_HEADERIMAGE
!define MUI_HEADERIMAGE_RIGHT
!define MUI_UNWELCOMEFINISHPAGE_BITMAP wizWatermark.bmp

; Use a right to left header image when the language is right to left
!ifdef ${AB_CD}_rtl
!define MUI_HEADERIMAGE_BITMAP_RTL wizHeaderRTL.bmp
!else
!define MUI_HEADERIMAGE_BITMAP wizHeader.bmp
!endif

/**
 * Uninstall Pages
 */
; Welcome Page
!define MUI_PAGE_CUSTOMFUNCTION_PRE un.preWelcome
!define MUI_PAGE_CUSTOMFUNCTION_LEAVE un.leaveWelcome
!insertmacro MUI_UNPAGE_WELCOME

; Custom Uninstall Confirm Page
UninstPage custom un.preConfirm un.leaveConfirm

; Remove Files Page
!insertmacro MUI_UNPAGE_INSTFILES

; Finish Page

; Don't setup the survey controls, functions, etc. when the application has
; defined NO_UNINSTALL_SURVEY
!ifndef NO_UNINSTALL_SURVEY
!define MUI_PAGE_CUSTOMFUNCTION_PRE un.preFinish
!define MUI_FINISHPAGE_SHOWREADME_NOTCHECKED
!define MUI_FINISHPAGE_SHOWREADME ""
!define MUI_FINISHPAGE_SHOWREADME_TEXT $(SURVEY_TEXT)
!define MUI_FINISHPAGE_SHOWREADME_FUNCTION un.Survey
!endif

!insertmacro MUI_UNPAGE_FINISH

; Use the default dialog for IDD_VERIFY for a simple Banner
ChangeUI IDD_VERIFY "${NSISDIR}\Contrib\UIs\default.exe"

################################################################################
# Install Sections
; Empty section required for the installer to compile as an uninstaller
Section ""
SectionEnd

################################################################################
# Uninstall Sections

Section "Uninstall"
  SetDetailsPrint textonly
  DetailPrint $(STATUS_UNINSTALL_MAIN)
  SetDetailsPrint none

  ; Delete the app exe to prevent launching the app while we are uninstalling.
  ClearErrors
  ${DeleteFile} "$INSTDIR\${FileMainEXE}"
  ${If} ${Errors}
    ; If the user closed the application it can take several seconds for it to
    ; shut down completely. If the application is being used by another user we
    ; can still delete the files when the system is restarted.
    Sleep 5000
    ${DeleteFile} "$INSTDIR\${FileMainEXE}"
    ClearErrors
  ${EndIf}

  ${MUI_INSTALLOPTIONS_READ} $0 "unconfirm.ini" "Field 3" "State"
  ${If} "$0" == "1"
    ${un.DeleteRelativeProfiles} "Moonchild Productions\Pale Moon"
    ${un.DeleteRelativeProfiles} "Moonchild Productions\MetroPM"
    RmDir "$APPDATA\Mozilla\Extensions\{8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}"
    RmDir "$APPDATA\Mozilla\Extensions"
    RmDir "$APPDATA\Mozilla"
  ${EndIf}

  ; setup the application model id registration value
  ${un.InitHashAppModelId} "$INSTDIR" "Software\Mozilla\${AppName}\TaskBarIDs"

  SetShellVarContext current  ; Set SHCTX to HKCU
  ${un.RegCleanMain} "Software\Mozilla"
  ${un.RegCleanUninstall}
  ${un.DeleteShortcuts}

  ; Unregister resources associated with Win7 taskbar jump lists.
  ${If} ${AtLeastWin7}
  ${AndIf} "$AppUserModelID" != ""
    ApplicationID::UninstallJumpLists "$AppUserModelID"
  ${EndIf}

  ; Remove the updates directory for Vista and above
  ${un.CleanUpdateDirectories} "Moonchild Productions\Pale Moon" "Moonchild Productions\updates"

  ; Remove any app model id's stored in the registry for this install path
  DeleteRegValue HKCU "Software\Mozilla\${AppName}\TaskBarIDs" "$INSTDIR"
  DeleteRegValue HKLM "Software\Mozilla\${AppName}\TaskBarIDs" "$INSTDIR"

  ClearErrors
  WriteRegStr HKLM "Software\Mozilla" "${BrandShortName}InstallerTest" "Write Test"
  ${If} ${Errors}
    StrCpy $TmpVal "HKCU" ; used primarily for logging
  ${Else}
    SetShellVarContext all  ; Set SHCTX to HKLM
    DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"
    StrCpy $TmpVal "HKLM" ; used primarily for logging
    ${un.RegCleanMain} "Software\Mozilla"
    ${un.RegCleanUninstall}
    ${un.DeleteShortcuts}
    ${un.SetAppLSPCategories}
  ${EndIf}

  ${un.RegCleanAppHandler} "PaleMoonURL"
  ${un.RegCleanAppHandler} "PaleMoonHTML"
  ${un.RegCleanProtocolHandler} "ftp"
  ${un.RegCleanProtocolHandler} "http"
  ${un.RegCleanProtocolHandler} "https"

  ClearErrors
  ReadRegStr $R9 HKCR "PaleMoonHTML" ""
  ; Don't clean up the file handlers if the PaleMoonHTML key still exists since
  ; there should be a second installation that may be the default file handler
  ${If} ${Errors}
    ${un.RegCleanFileHandler}  ".htm"   "PaleMoonHTML"
    ${un.RegCleanFileHandler}  ".html"  "PaleMoonHTML"
    ${un.RegCleanFileHandler}  ".shtml" "PaleMoonHTML"
    ${un.RegCleanFileHandler}  ".xht"   "PaleMoonHTML"
    ${un.RegCleanFileHandler}  ".xhtml" "PaleMoonHTML"
    ${un.RegCleanFileHandler}  ".webm"  "PaleMoonHTML"
  ${EndIf}

  SetShellVarContext all  ; Set SHCTX to HKLM
  ${un.GetSecondInstallPath} "Software\Mozilla" $R9
  ${If} $R9 == "false"
    SetShellVarContext current  ; Set SHCTX to HKCU
    ${un.GetSecondInstallPath} "Software\Mozilla" $R9
  ${EndIf}

  StrCpy $0 "Software\Clients\StartMenuInternet\${FileMainEXE}\shell\open\command"
  ReadRegStr $R1 HKLM "$0" ""
  ${un.RemoveQuotesFromPath} "$R1" $R1
  ${un.GetParent} "$R1" $R1

  ; Only remove the StartMenuInternet key if it refers to this install location.
  ; The StartMenuInternet registry key is independent of the default browser
  ; settings. The XPInstall base un-installer always removes this key if it is
  ; uninstalling the default browser and it will always replace the keys when
  ; installing even if there is another install of Firefox that is set as the
  ; default browser. Now the key is always updated on install but it is only
  ; removed if it refers to this install location.
  ${If} "$INSTDIR" == "$R1"
    DeleteRegKey HKLM "Software\Clients\StartMenuInternet\${FileMainEXE}"
    DeleteRegValue HKLM "Software\RegisteredApplications" "${AppRegName}"
  ${EndIf}

  ReadRegStr $R1 HKCU "$0" ""
  ${un.RemoveQuotesFromPath} "$R1" $R1
  ${un.GetParent} "$R1" $R1

  ; Only remove the StartMenuInternet key if it refers to this install location.
  ; The StartMenuInternet registry key is independent of the default browser
  ; settings. The XPInstall base un-installer always removes this key if it is
  ; uninstalling the default browser and it will always replace the keys when
  ; installing even if there is another install of Firefox that is set as the
  ; default browser. Now the key is always updated on install but it is only
  ; removed if it refers to this install location.
  ${If} "$INSTDIR" == "$R1"
    DeleteRegKey HKCU "Software\Clients\StartMenuInternet\${FileMainEXE}"
    DeleteRegValue HKCU "Software\RegisteredApplications" "${AppRegName}"
  ${EndIf}

  StrCpy $0 "Software\Microsoft\Windows\CurrentVersion\App Paths\${FileMainEXE}"
  ${If} $R9 == "false"
    DeleteRegKey HKLM "$0"
    DeleteRegKey HKCU "$0"
    StrCpy $0 "Software\Microsoft\MediaPlayer\ShimInclusionList\${FileMainEXE}"
    DeleteRegKey HKLM "$0"
    DeleteRegKey HKCU "$0"
    StrCpy $0 "Software\Microsoft\MediaPlayer\ShimInclusionList\plugin-container.exe"
    DeleteRegKey HKLM "$0"
    DeleteRegKey HKCU "$0"
    StrCpy $0 "Software\Classes\MIME\Database\Content Type\application/x-xpinstall;app=firefox"
    DeleteRegKey HKLM "$0"
    DeleteRegKey HKCU "$0"
  ${Else}
    ReadRegStr $R1 HKLM "$0" ""
    ${un.RemoveQuotesFromPath} "$R1" $R1
    ${un.GetParent} "$R1" $R1
    ${If} "$INSTDIR" == "$R1"
      WriteRegStr HKLM "$0" "" "$R9"
      ${un.GetParent} "$R9" $R1
      WriteRegStr HKLM "$0" "Path" "$R1"
    ${EndIf}
  ${EndIf}

  ; Remove directories and files we always control before parsing the uninstall
  ; log so empty directories can be removed.
  ${If} ${FileExists} "$INSTDIR\updates"
    RmDir /r /REBOOTOK "$INSTDIR\updates"
  ${EndIf}
  ${If} ${FileExists} "$INSTDIR\updated"
    RmDir /r /REBOOTOK "$INSTDIR\updated"
  ${EndIf}
  ${If} ${FileExists} "$INSTDIR\defaults\shortcuts"
    RmDir /r /REBOOTOK "$INSTDIR\defaults\shortcuts"
  ${EndIf}
  ${If} ${FileExists} "$INSTDIR\distribution"
    RmDir /r /REBOOTOK "$INSTDIR\distribution"
  ${EndIf}
  ${If} ${FileExists} "$INSTDIR\removed-files"
    Delete /REBOOTOK "$INSTDIR\removed-files"
  ${EndIf}

  ; Remove files that may be left behind by the application in the
  ; VirtualStore directory.
  ${un.CleanVirtualStore}

  ; Parse the uninstall log to unregister dll's and remove all installed
  ; files / directories this install is responsible for.
  ${un.ParseUninstallLog}

  ; Remove the uninstall directory that we control
  RmDir /r /REBOOTOK "$INSTDIR\uninstall"

  ; Explictly remove empty webapprt dir in case it exists
  ; See bug 757978
  RmDir "$INSTDIR\webapprt\components"
  RmDir "$INSTDIR\webapprt"

  RmDir /r /REBOOTOK "$INSTDIR\${TO_BE_DELETED}"

  ; Remove the installation directory if it is empty
  ${RemoveDir} "$INSTDIR"

  ; If firefox.exe was successfully deleted yet we still need to restart to
  ; remove other files create a dummy firefox.exe.moz-delete to prevent the
  ; installer from allowing an install without restart when it is required
  ; to complete an uninstall.
  ${If} ${RebootFlag}
    ${Unless} ${FileExists} "$INSTDIR\${FileMainEXE}.moz-delete"
      FileOpen $0 "$INSTDIR\${FileMainEXE}.moz-delete" w
      FileWrite $0 "Will be deleted on restart"
      Delete /REBOOTOK "$INSTDIR\${FileMainEXE}.moz-delete"
      FileClose $0
    ${EndUnless}
  ${EndIf}

  ; Refresh desktop icons otherwise the start menu internet item won't be
  ; removed and other ugly things will happen like recreation of the app's
  ; clients registry key by the OS under some conditions.
  System::Call "shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i 0, i 0, i 0)"

SectionEnd

################################################################################
# Helper Functions

; Don't setup the survey controls, functions, etc. when the application has
; defined NO_UNINSTALL_SURVEY
!ifndef NO_UNINSTALL_SURVEY
Function un.Survey
  Exec "$\"$TmpVal$\" $\"${SurveyURL}$\""
FunctionEnd
!endif

################################################################################
# Language

!insertmacro MOZ_MUI_LANGUAGE 'baseLocale'
!verbose push
!verbose 3
!include "overrideLocale.nsh"
!include "customLocale.nsh"
!verbose pop

; Set this after the locale files to override it if it is in the locale. Using
; " " for BrandingText will hide the "Nullsoft Install System..." branding.
BrandingText " "

################################################################################
# Page pre, show, and leave functions

Function un.preWelcome
  ${If} ${FileExists} "$INSTDIR\distribution\modern-wizard.bmp"
    Delete "$PLUGINSDIR\modern-wizard.bmp"
    CopyFiles /SILENT "$INSTDIR\distribution\modern-wizard.bmp" "$PLUGINSDIR\modern-wizard.bmp"
  ${EndIf}
FunctionEnd

Function un.leaveWelcome
  ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"
    Banner::show /NOUNLOAD "$(BANNER_CHECK_EXISTING)"

    ; If the message window has been found previously give the app an additional
    ; five seconds to close.
    ${If} "$TmpVal" == "FoundMessageWindow"
      Sleep 5000
    ${EndIf}

    ${PushFilesToCheck}

    ${un.CheckForFilesInUse} $TmpVal

    Banner::destroy

    ; If there are files in use $TmpVal will be "true"
    ${If} "$TmpVal" == "true"
      ; If the message window is found the call to ManualCloseAppPrompt will
      ; abort leaving the value of $TmpVal set to "FoundMessageWindow".
      StrCpy $TmpVal "FoundMessageWindow"
      ${un.ManualCloseAppPrompt} "${WindowClass}" "$(WARN_MANUALLY_CLOSE_APP_UNINSTALL)"
      ; If the message window is not found set $TmpVal to "true" so the restart
      ; required message is displayed.
      StrCpy $TmpVal "true"
    ${EndIf}
  ${EndIf}
FunctionEnd

Function un.preConfirm
  ${If} ${FileExists} "$INSTDIR\distribution\modern-header.bmp"
  ${AndIf} $hHeaderBitmap == ""
    Delete "$PLUGINSDIR\modern-header.bmp"
    CopyFiles /SILENT "$INSTDIR\distribution\modern-header.bmp" "$PLUGINSDIR\modern-header.bmp"
    ${un.ChangeMUIHeaderImage} "$PLUGINSDIR\modern-header.bmp"
  ${EndIf}

  ; Setup the unconfirm.ini file for the Custom Uninstall Confirm Page
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Settings" NumFields "5"

  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Type   "label"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Text   "$(UN_CONFIRM_UNINSTALLED_FROM)"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Left   "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Right  "-1"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Top    "5"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 1" Bottom "15"

  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" Type   "text"
  ; The contents of this control must be set as follows in the pre function
  ; ${MUI_INSTALLOPTIONS_READ} $1 "unconfirm.ini" "Field 2" "HWND"
  ; SendMessage $1 ${WM_SETTEXT} 0 "STR:$INSTDIR"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" State  ""
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" Left   "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" Right  "-1"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" Top    "17"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" Bottom "30"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 2" flags  "READONLY"

  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Type   "checkbox"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Text   "$(UN_REMOVE_PROFILES)"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Left   "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Right  "-1"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Top    "40"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Bottom "50"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" State  "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" flags  "NOTIFY"

  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Type   "text"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" State   "$(UN_REMOVE_PROFILES_DESC)"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Left   "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Right  "-1"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Top    "52"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Bottom "120"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" flags  "MULTILINE|READONLY"

  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Type   "label"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Text   "$(UN_CONFIRM_CLICK)"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Left   "0"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Right  "-1"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Top    "130"
  WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 5" Bottom "150"

  ${If} "$TmpVal" == "true"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Type   "label"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Text   "$(SUMMARY_REBOOT_REQUIRED_UNINSTALL)"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Left   "0"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Right  "-1"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Top    "35"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 6" Bottom "45"

    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Settings" NumFields "6"

    ; To insert this control reset Top / Bottom for controls below this one
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Top    "55"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 3" Bottom "65"
    WriteINIStr "$PLUGINSDIR\unconfirm.ini" "Field 4" Top    "67"
  ${EndIf}

  !insertmacro MUI_HEADER_TEXT "$(UN_CONFIRM_PAGE_TITLE)" "$(UN_CONFIRM_PAGE_SUBTITLE)"
  ; The Summary custom page has a textbox that will automatically receive
  ; focus. This sets the focus to the Install button instead.
  !insertmacro MUI_INSTALLOPTIONS_INITDIALOG "unconfirm.ini"
  GetDlgItem $0 $HWNDPARENT 1
  ${MUI_INSTALLOPTIONS_READ} $1 "unconfirm.ini" "Field 4" "HWND"
  SetCtlColors $1 0x000000 0xFFFFEE
  ShowWindow $1 ${SW_HIDE}
  System::Call "user32::SetFocus(i r0, i 0x0007, i,i)i"
  ${MUI_INSTALLOPTIONS_READ} $1 "unconfirm.ini" "Field 2" "HWND"
  SendMessage $1 ${WM_SETTEXT} 0 "STR:$INSTDIR"
  !insertmacro MUI_INSTALLOPTIONS_SHOW
FunctionEnd

Function un.leaveConfirm
  ${MUI_INSTALLOPTIONS_READ} $0 "unconfirm.ini" "Settings" "State"
  StrCmp $0 "3" +1 continue
  ${MUI_INSTALLOPTIONS_READ} $0 "unconfirm.ini" "Field 3" "State"
  ${MUI_INSTALLOPTIONS_READ} $1 "unconfirm.ini" "Field 4" "HWND"
  StrCmp $0 1 +1 +3
  ShowWindow $1 ${SW_SHOW}
  Abort

  ShowWindow $1 ${SW_HIDE}
  Abort

  continue:

  ; Try to delete the app executable and if we can't delete it try to find the
  ; app's message window and prompt the user to close the app. This allows
  ; running an instance that is located in another directory. If for whatever
  ; reason there is no message window we will just rename the app's files and
  ; then remove them on restart if they are in use.
  ClearErrors
  ${DeleteFile} "$INSTDIR\${FileMainEXE}"
  ${If} ${Errors}
    ${un.ManualCloseAppPrompt} "${WindowClass}" "$(WARN_MANUALLY_CLOSE_APP_UNINSTALL)"
  ${EndIf}
FunctionEnd

!ifndef NO_UNINSTALL_SURVEY
Function un.preFinish
  ; Do not modify the finish page if there is a reboot pending
  ${Unless} ${RebootFlag}
    ; Setup the survey controls, functions, etc.
    StrCpy $TmpVal "SOFTWARE\Microsoft\IE Setup\Setup"
    ClearErrors
    ReadRegStr $0 HKLM $TmpVal "Path"
    ${If} ${Errors}
      !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSpecial.ini" "settings" "NumFields" "3"
    ${Else}
      ExpandEnvStrings $0 "$0" ; this value will usually contain %programfiles%
      ${If} $0 != "\"
        StrCpy $0 "$0\"
      ${EndIf}
      StrCpy $0 "$0\iexplore.exe"
      ClearErrors
      GetFullPathName $TmpVal $0
      ${If} ${Errors}
        !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSpecial.ini" "settings" "NumFields" "3"
      ${Else}
        ; When we add an optional action to the finish page the cancel button
        ; is enabled. This disables it and leaves the finish button as the
        ; only choice.
        !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSpecial.ini" "settings" "cancelenabled" "0"
      ${EndIf}
    ${EndIf}
  ${EndUnless}
FunctionEnd
!endif

################################################################################
# Initialization Functions

Function .onInit
  ; Remove the current exe directory from the search order.
  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
  System::Call 'kernel32::SetDllDirectoryW(w "")'

  ; We need this set up for most of the helper.exe operations.
  ${UninstallOnInitCommon}
FunctionEnd

Function un.onInit
  ; Remove the current exe directory from the search order.
  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
  System::Call 'kernel32::SetDllDirectoryW(w "")'

  StrCpy $LANGUAGE 0

  ${un.UninstallUnOnInitCommon}

  !insertmacro InitInstallOptionsFile "unconfirm.ini"
FunctionEnd

Function .onGUIEnd
  ${OnEndCommon}
FunctionEnd

Function un.onGUIEnd
  ${un.OnEndCommon}
FunctionEnd