The Tor Browser / file revision

 # 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

 # CertCheck

 # InetBgDL

 # ShellLink

 # UAC

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

 !verbose 3

 SetDatablockOptimize on

 SetCompress off

 CRCCheck on

 RequestExecutionLevel user

 ; The commands inside this ifdef require NSIS 3.0a2 or greater so the ifdef can

 ; be removed after we require NSIS 3.0a2 or greater.

 !ifdef NSIS_PACKEDVERSION

   Unicode true

   ManifestSupportedOS all

   ManifestDPIAware true

 !endif

 !addplugindir ./

 Var Dialog

 Var Progressbar

 Var ProgressbarMarqueeIntervalMS

 Var LabelDownloading

 Var LabelInstalling

 Var LabelFreeSpace

 Var CheckboxSetAsDefault

 Var CheckboxShortcutOnBar ; Used for Quicklaunch or Taskbar as appropriate

 Var CheckboxShortcutInStartMenu

 Var CheckboxShortcutOnDesktop

 Var CheckboxSendPing

 Var CheckboxInstallMaintSvc

 Var DirRequest

 Var ButtonBrowse

 Var LabelBlurb1

 Var LabelBlurb2

 Var LabelBlurb3

 Var BitmapBlurb1

 Var BitmapBlurb2

 Var BitmapBlurb3

 Var HwndBitmapBlurb1

 Var HwndBitmapBlurb2

 Var HWndBitmapBlurb3

 Var FontNormal

 Var FontItalic

 Var FontBlurb

 Var WasOptionsButtonClicked

 Var CanWriteToInstallDir

 Var HasRequiredSpaceAvailable

 Var IsDownloadFinished

 Var DownloadSizeBytes

 Var HalfOfDownload

 Var DownloadReset

 Var ExistingTopDir

 Var SpaceAvailableBytes

 Var InitialInstallDir

 Var HandleDownload

 Var CanSetAsDefault

 Var InstallCounterStep

 Var InstallStepSize

 Var InstallTotalSteps

 Var TmpVal

 Var ExitCode

 Var FirefoxLaunchCode

 ; The first three tick counts are for the start of a phase and equate equate to

 ; the display of individual installer pages.

 Var StartIntroPhaseTickCount

 Var StartOptionsPhaseTickCount

 Var StartDownloadPhaseTickCount

 ; Since the Intro and Options pages can be displayed multiple times the total

 ; seconds spent on each of these pages is reported.

 Var IntroPhaseSeconds

 Var OptionsPhaseSeconds

 ; The tick count for the last download.

 Var StartLastDownloadTickCount

 ; The number of seconds from the start of the download phase until the first

 ; bytes are received. This is only recorded for first request so it is possible

 ; to determine connection issues for the first request.

 Var DownloadFirstTransferSeconds

 ; The last four tick counts are for the end of a phase in the installation page.

 Var EndDownloadPhaseTickCount

 Var EndPreInstallPhaseTickCount

 Var EndInstallPhaseTickCount

 Var EndFinishPhaseTickCount

 Var InitialInstallRequirementsCode

 Var ExistingProfile

 Var ExistingVersion

 Var ExistingBuildID

 Var DownloadedBytes

 Var DownloadRetryCount

 Var OpenedDownloadPage

 Var DownloadServerIP

 Var ControlHeightPX

 Var ControlRightPX

 ; Uncomment the following to prevent pinging the metrics server when testing

 ; the stub installer

 ;!define STUB_DEBUG

 !define StubURLVersion "v6"

 ; Successful install exit code

 !define ERR_SUCCESS 0

 /**

  * The following errors prefixed with ERR_DOWNLOAD apply to the download phase.

  */

 ; The download was cancelled by the user

 !define ERR_DOWNLOAD_CANCEL 10

 ; Too many attempts to download. The maximum attempts is defined in

 ; DownloadMaxRetries.

 !define ERR_DOWNLOAD_TOO_MANY_RETRIES 11

 /**

  * The following errors prefixed with ERR_PREINSTALL apply to the pre-install

  * check phase.

  */

 ; Unable to acquire a file handle to the downloaded file

 !define ERR_PREINSTALL_INVALID_HANDLE 20

 ; The downloaded file's certificate is not trusted by the certificate store.

 !define ERR_PREINSTALL_CERT_UNTRUSTED 21

 ; The downloaded file's certificate attribute values were incorrect.

 !define ERR_PREINSTALL_CERT_ATTRIBUTES 22

 ; The downloaded file's certificate is not trusted by the certificate store and

 ; certificate attribute values were incorrect.

 !define ERR_PREINSTALL_CERT_UNTRUSTED_AND_ATTRIBUTES 23

 /**

  * The following errors prefixed with ERR_INSTALL apply to the install phase.

  */

 ; The installation timed out. The installation timeout is defined by the number

 ; of progress steps defined in InstallTotalSteps and the install timer

 ; interval defined in InstallIntervalMS

 !define ERR_INSTALL_TIMEOUT 30

 ; Maximum times to retry the download before displaying an error

 !define DownloadMaxRetries 9

 ; Minimum size expected to download in bytes

 !define DownloadMinSizeBytes 15728640 ; 15 MB

 ; Maximum size expected to download in bytes

 !define DownloadMaxSizeBytes 36700160 ; 35 MB

 ; Interval before retrying to download. 3 seconds is used along with 10

 ; attempted downloads (the first attempt along with 9 retries) to give a

 ; minimum of 30 seconds or retrying before giving up.

 !define DownloadRetryIntervalMS 3000

 ; Interval for the download timer

 !define DownloadIntervalMS 200

 ; Interval for the install timer

 !define InstallIntervalMS 100

 ; The first step for the install progress bar. By starting with a large step

 ; immediate feedback is given to the user.

 !define InstallProgressFirstStep 20

 ; The finish step size to quickly increment the progress bar after the

 ; installation has finished.

 !define InstallProgressFinishStep 40

 ; Number of steps for the install progress.

 ; This might not be enough when installing on a slow network drive so it will

 ; fallback to downloading the full installer if it reaches this number. The size

 ; of the install progress step is increased when the full installer finishes

 ; instead of waiting.

 ; Approximately 150 seconds with a 100 millisecond timer and a first step of 20

 ; as defined by InstallProgressFirstStep.

 !define /math InstallCleanTotalSteps ${InstallProgressFirstStep} + 1500

 ; Approximately 165 seconds (minus 0.2 seconds for each file that is removed)

 ; with a 100 millisecond timer and a first step of 20 as defined by

 ; InstallProgressFirstStep .

 !define /math InstallPaveOverTotalSteps ${InstallProgressFirstStep} + 1800

 ; On Vista and above attempt to elevate Standard Users in addition to users that

 ; are a member of the Administrators group.

 !define NONADMIN_ELEVATE

 !define CONFIG_INI "config.ini"

 !ifndef FILE_SHARE_READ

   !define FILE_SHARE_READ 1

 !endif

 !ifndef GENERIC_READ

   !define GENERIC_READ 0x80000000

 !endif

 !ifndef OPEN_EXISTING

   !define OPEN_EXISTING 3

 !endif

 !ifndef INVALID_HANDLE_VALUE

   !define INVALID_HANDLE_VALUE -1

 !endif

 !include "nsDialogs.nsh"

 !include "LogicLib.nsh"

 !include "FileFunc.nsh"

 !include "WinVer.nsh"

 !include "WordFunc.nsh"

 !insertmacro GetParameters

 !insertmacro GetOptions

 !insertmacro StrFilter

 !include "locales.nsi"

 !include "branding.nsi"

 !include "defines.nsi"

 ; Must be included after defines.nsi

 !include "locale-fonts.nsh"

 ; The OFFICIAL define is a workaround to support different urls for Release and

 ; Beta since they share the same branding when building with other branches that

 ; set the update channel to beta.

 !ifdef OFFICIAL

 !ifdef BETA_UPDATE_CHANNEL

 !undef URLStubDownload

 !define URLStubDownload "http://download.mozilla.org/?os=win&lang=${AB_CD}&product=firefox-beta-latest"

 !undef URLManualDownload

 !define URLManualDownload "https://www.mozilla.org/${AB_CD}/firefox/installer-help/?channel=beta&installer_lang=${AB_CD}"

 !undef Channel

 !define Channel "beta"

 !endif

 !endif

 !include "common.nsh"

 !insertmacro ElevateUAC

 !insertmacro GetLongPath

 !insertmacro GetPathFromString

 !insertmacro GetParent

 !insertmacro GetSingleInstallPath

 !insertmacro GetTextWidthHeight

 !insertmacro IsUserAdmin

 !insertmacro OnStubInstallUninstall

 !insertmacro SetBrandNameVars

 !insertmacro UnloadUAC

 VIAddVersionKey "FileDescription" "${BrandShortName} Stub Installer"

 VIAddVersionKey "OriginalFilename" "setup-stub.exe"

 Name "$BrandFullName"

 OutFile "setup-stub.exe"

 icon "setup.ico"

 XPStyle on

 BrandingText " "

 ChangeUI all "nsisui.exe"

 !ifdef HAVE_64BIT_OS

   InstallDir "$PROGRAMFILES64\${BrandFullName}\"

 !else

   InstallDir "$PROGRAMFILES32\${BrandFullName}\"

 !endif

 !ifdef ${AB_CD}_rtl

   LoadLanguageFile "locale-rtl.nlf"

 !else

   LoadLanguageFile "locale.nlf"

 !endif

 !include "nsisstrings.nlf"

 !if "${AB_CD}" == "en-US"

   ; Custom strings for en-US. This is done here so they aren't translated.

   !include oneoff_en-US.nsh

 !else

   !define INTRO_BLURB "$(INTRO_BLURB1)"

   !define INSTALL_BLURB1 "$(INSTALL_BLURB1)"

   !define INSTALL_BLURB2 "$(INSTALL_BLURB2)"

   !define INSTALL_BLURB3 "$(INSTALL_BLURB3)"

 !endif

 Caption "$(WIN_CAPTION)"

 Page custom createDummy ; Needed to enable the Intro page's back button

 Page custom createIntro leaveIntro ; Introduction page

 Page custom createOptions leaveOptions ; Options page

 Page custom createInstall ; Download / Installation page

 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 "")'

   StrCpy $LANGUAGE 0

   ; This macro is used to set the brand name variables but the ini file method

   ; isn't supported for the stub installer.

   ${SetBrandNameVars} "$PLUGINSDIR\ignored.ini"

 !ifdef HAVE_64BIT_OS

   ; Restrict x64 builds from being installed on x86 and pre Vista

   ${Unless} ${RunningX64}

   ${OrUnless} ${AtLeastWinVista}

     MessageBox MB_OK|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_OS_MSG)"

     Quit

   ${EndUnless}

   SetRegView 64

 !else

   StrCpy $R8 "0"

   ${If} ${AtMostWin2000}

     StrCpy $R8 "1"

   ${EndIf}

   ${If} ${IsWinXP}

   ${AndIf} ${AtMostServicePack} 1

     StrCpy $R8 "1"

   ${EndIf}

   ${If} $R8 == "1"

     ; XXX-rstrong - some systems failed the AtLeastWin2000 test that we

     ; used to use for an unknown reason and likely fail the AtMostWin2000

     ; and possibly the IsWinXP test as well. To work around this also

     ; check if the Windows NT registry Key exists and if it does if the

     ; first char in CurrentVersion is equal to 3 (Windows NT 3.5 and

     ; 3.5.1), 4 (Windows NT 4), or 5 (Windows 2000 and Windows XP).

     StrCpy $R8 ""

     ClearErrors

     ReadRegStr $R8 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentVersion"

     StrCpy $R8 "$R8" 1

     ${If} ${Errors}

     ${OrIf} "$R8" == "3"

     ${OrIf} "$R8" == "4"

     ${OrIf} "$R8" == "5"

       MessageBox MB_OK|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_OS_MSG)"

       Quit

     ${EndIf}

   ${EndUnless}

 !endif

   ; Require elevation if the user can elevate

   ${ElevateUAC}

 ; The commands inside this ifndef are needed prior to NSIS 3.0a2 and can be

 ; removed after we require NSIS 3.0a2 or greater.

 !ifndef NSIS_PACKEDVERSION

   ${If} ${AtLeastWinVista}

     System::Call 'user32::SetProcessDPIAware()'

   ${EndIf}

 !endif

   SetShellVarContext all ; Set SHCTX to HKLM

   ${GetSingleInstallPath} "Software\Mozilla\${BrandFullNameInternal}" $R9

   ${If} "$R9" == "false"

     SetShellVarContext current ; Set SHCTX to HKCU

     ${GetSingleInstallPath} "Software\Mozilla\${BrandFullNameInternal}" $R9

   ${EndIf}

   ${If} "$R9" != "false"

     StrCpy $INSTDIR "$R9"

   ${EndIf}

   ; Used to determine if the default installation directory was used.

   StrCpy $InitialInstallDir "$INSTDIR"

   ClearErrors

   WriteRegStr HKLM "Software\Mozilla" "${BrandShortName}InstallerTest" \

                    "Write Test"

   ; Only display set as default when there is write access to HKLM and on Win7

   ; and below.

   ${If} ${Errors}

   ${OrIf} ${AtLeastWin8}

     StrCpy $CanSetAsDefault "false"

     StrCpy $CheckboxSetAsDefault "0"

   ${Else}

     DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"

     StrCpy $CanSetAsDefault "true"

   ${EndIf}

   ; The interval in MS used for the progress bars set as marquee.

   ${If} ${AtLeastWinVista}

     StrCpy $ProgressbarMarqueeIntervalMS "10"

   ${Else}

     StrCpy $ProgressbarMarqueeIntervalMS "50"

   ${EndIf}

   ; Initialize the majority of variables except those that need to be reset

   ; when a page is displayed.

   StrCpy $IntroPhaseSeconds "0"

   StrCpy $OptionsPhaseSeconds "0"

   StrCpy $EndPreInstallPhaseTickCount "0"

   StrCpy $EndInstallPhaseTickCount "0"

   StrCpy $InitialInstallRequirementsCode ""

   StrCpy $IsDownloadFinished ""

   StrCpy $FirefoxLaunchCode "0"

   StrCpy $CheckboxShortcutOnBar "1"

   StrCpy $CheckboxShortcutInStartMenu "1"

   StrCpy $CheckboxShortcutOnDesktop "1"

   StrCpy $CheckboxSendPing "1"

 !ifdef MOZ_MAINTENANCE_SERVICE

   StrCpy $CheckboxInstallMaintSvc "1"

 !else

   StrCpy $CheckboxInstallMaintSvc "0"

 !endif

   StrCpy $WasOptionsButtonClicked "0"

   StrCpy $0 ""

 !ifdef FONT_FILE1

   ${If} ${FileExists} "$FONTS\${FONT_FILE1}"

     StrCpy $0 "${FONT_NAME1}"

   ${EndIf}

 !endif

 !ifdef FONT_FILE2

   ${If} $0 == ""

   ${AndIf} ${FileExists} "$FONTS\${FONT_FILE2}"

     StrCpy $0 "${FONT_NAME2}"

   ${EndIf}

 !endif

   ${If} $0 == ""

     StrCpy $0 "$(^Font)"

   ${EndIf}

   CreateFont $FontBlurb "$0" "12" "500"

   CreateFont $FontNormal "$0" "11" "500"

   CreateFont $FontItalic "$0" "11" "500" /ITALIC

   InitPluginsDir

   File /oname=$PLUGINSDIR\bgintro.bmp "bgintro.bmp"

   File /oname=$PLUGINSDIR\appname.bmp "appname.bmp"

   File /oname=$PLUGINSDIR\clock.bmp "clock.bmp"

   File /oname=$PLUGINSDIR\particles.bmp "particles.bmp"

 !ifdef ${AB_CD}_rtl

   ; The horizontally flipped pencil looks better in RTL

   File /oname=$PLUGINSDIR\pencil.bmp "pencil-rtl.bmp"

 !else

   File /oname=$PLUGINSDIR\pencil.bmp "pencil.bmp"

 !endif

 FunctionEnd

 ; .onGUIInit isn't needed except for RTL locales

 !ifdef ${AB_CD}_rtl

 Function .onGUIInit

   ; Since NSIS RTL support doesn't mirror progress bars use Windows mirroring.

   ${NSD_AddExStyle} $HWNDPARENT ${WS_EX_LAYOUTRTL}

   ${RemoveExStyle} $HWNDPARENT ${WS_EX_RTLREADING}

   ${RemoveExStyle} $HWNDPARENT ${WS_EX_RIGHT}

   ${NSD_AddExStyle} $HWNDPARENT ${WS_EX_LEFT}|${WS_EX_LTRREADING}

 FunctionEnd

 !endif

 Function .onGUIEnd

   Delete "$PLUGINSDIR\_temp"

   Delete "$PLUGINSDIR\download.exe"

   Delete "$PLUGINSDIR\${CONFIG_INI}"

   ${UnloadUAC}

 FunctionEnd

 Function .onUserAbort

   ${NSD_KillTimer} StartDownload

   ${NSD_KillTimer} OnDownload

   ${NSD_KillTimer} CheckInstall

   ${NSD_KillTimer} FinishInstall

   ${NSD_KillTimer} FinishProgressBar

   ${NSD_KillTimer} DisplayDownloadError

   ${If} "$IsDownloadFinished" != ""

     Call DisplayDownloadError

     ; Aborting the abort will allow SendPing which is called by

     ; DisplayDownloadError to hide the installer window and close the installer

     ; after it sends the metrics ping.

     Abort

   ${EndIf}

 FunctionEnd

 Function SendPing

   HideWindow

   ; Try to send a ping if a download was attempted

   ${If} $CheckboxSendPing == 1

   ${AndIf} $IsDownloadFinished != ""

     ; Get the tick count for the completion of all phases.

     System::Call "kernel32::GetTickCount()l .s"

     Pop $EndFinishPhaseTickCount

     ; When the value of $IsDownloadFinished is false the download was started

     ; but didn't finish. In this case the tick count stored in

     ; $EndFinishPhaseTickCount is used to determine how long the download was

     ; in progress.

     ${If} "$IsDownloadFinished" == "false"

     ${OrIf} "$EndDownloadPhaseTickCount" == ""

       StrCpy $EndDownloadPhaseTickCount "$EndFinishPhaseTickCount"

       ; Cancel the download in progress

       InetBgDL::Get /RESET /END

     ${EndIf}

     ; When $DownloadFirstTransferSeconds equals an empty string the download

     ; never successfully started so set the value to 0. It will be possible to

     ; determine that the download didn't successfully start from the seconds for

     ; the last download.

     ${If} "$DownloadFirstTransferSeconds" == ""

       StrCpy $DownloadFirstTransferSeconds "0"

     ${EndIf}

     ; When $StartLastDownloadTickCount equals an empty string the download never

     ; successfully started so set the value to $EndDownloadPhaseTickCount to

     ; compute the correct value.

     ${If} $StartLastDownloadTickCount == ""

       ; This could happen if the download never successfully starts

       StrCpy $StartLastDownloadTickCount "$EndDownloadPhaseTickCount"

     ${EndIf}

     ; When $EndPreInstallPhaseTickCount equals 0 the installation phase was

     ; never completed so set its value to $EndFinishPhaseTickCount to compute

     ; the correct value.

     ${If} "$EndPreInstallPhaseTickCount" == "0"

       StrCpy $EndPreInstallPhaseTickCount "$EndFinishPhaseTickCount"

     ${EndIf}

     ; When $EndInstallPhaseTickCount equals 0 the installation phase was never

     ; completed so set its value to $EndFinishPhaseTickCount to compute the

     ; correct value.

     ${If} "$EndInstallPhaseTickCount" == "0"

       StrCpy $EndInstallPhaseTickCount "$EndFinishPhaseTickCount"

     ${EndIf}

     ; Get the seconds elapsed from the start of the download phase to the end of

     ; the download phase.

     ${GetSecondsElapsed} "$StartDownloadPhaseTickCount" "$EndDownloadPhaseTickCount" $0

     ; Get the seconds elapsed from the start of the last download to the end of

     ; the last download.

     ${GetSecondsElapsed} "$StartLastDownloadTickCount" "$EndDownloadPhaseTickCount" $1

     ; Get the seconds elapsed from the end of the download phase to the

     ; completion of the pre-installation check phase.

     ${GetSecondsElapsed} "$EndDownloadPhaseTickCount" "$EndPreInstallPhaseTickCount" $2

     ; Get the seconds elapsed from the end of the pre-installation check phase

     ; to the completion of the installation phase.

     ${GetSecondsElapsed} "$EndPreInstallPhaseTickCount" "$EndInstallPhaseTickCount" $3

     ; Get the seconds elapsed from the end of the installation phase to the

     ; completion of all phases.

     ${GetSecondsElapsed} "$EndInstallPhaseTickCount" "$EndFinishPhaseTickCount" $4

 !ifdef HAVE_64BIT_OS

     StrCpy $R0 "1"

 !else

     StrCpy $R0 "0"

 !endif

     ${If} ${RunningX64}

       StrCpy $R1 "1"

     ${Else}

       StrCpy $R1 "0"

     ${EndIf}

     ; Though these values are sometimes incorrect due to bug 444664 it happens

     ; so rarely it isn't worth working around it by reading the registry values.

     ${WinVerGetMajor} $5

     ${WinVerGetMinor} $6

     ${WinVerGetBuild} $7

     ${WinVerGetServicePackLevel} $8

     ${If} ${IsServerOS}

       StrCpy $9 "1"

     ${Else}

       StrCpy $9 "0"

     ${EndIf}

     ${If} "$ExitCode" == "${ERR_SUCCESS}"

       ReadINIStr $R5 "$INSTDIR\application.ini" "App" "Version"

       ReadINIStr $R6 "$INSTDIR\application.ini" "App" "BuildID"

     ${Else}

       StrCpy $R5 "0"

       StrCpy $R6 "0"

     ${EndIf}

     ; Whether installed into the default installation directory

     ${GetLongPath} "$INSTDIR" $R7

     ${GetLongPath} "$InitialInstallDir" $R8

     ${If} "$R7" == "$R8"

       StrCpy $R7 "1"

     ${Else}

       StrCpy $R7 "0"

     ${EndIf}

     ClearErrors

     WriteRegStr HKLM "Software\Mozilla" "${BrandShortName}InstallerTest" \

                      "Write Test"

     ${If} ${Errors}

       StrCpy $R8 "0"

     ${Else}

       DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"

       StrCpy $R8 "1"

     ${EndIf}

     ${If} "$DownloadServerIP" == ""

       StrCpy $DownloadServerIP "Unknown"

     ${EndIf}

     StrCpy $R2 ""

     SetShellVarContext current ; Set SHCTX to the current user

     ReadRegStr $R2 HKCU "Software\Classes\http\shell\open\command" ""

     ${If} $R2 != ""

       ${GetPathFromString} "$R2" $R2

       ${GetParent} "$R2" $R3

       ${GetLongPath} "$R3" $R3

       ${If} $R3 == $INSTDIR

         StrCpy $R2 "1" ; This Firefox install is set as default.

       ${Else}

         StrCpy $R2 "$R2" "" -11 # length of firefox.exe

         ${If} "$R2" == "${FileMainEXE}"

           StrCpy $R2 "2" ; Another Firefox install is set as default.

         ${Else}

           StrCpy $R2 "0"

         ${EndIf}

       ${EndIf}

     ${Else}

       StrCpy $R2 "0" ; Firefox is not set as default.

     ${EndIf}

     ${If} "$R2" == "0"

     ${AndIf} ${AtLeastWinVista}

       ; Check to see if this install location is currently set as the default

       ; browser by Default Programs which is only available on Vista and above.

       ClearErrors

       ReadRegStr $R3 HKLM "Software\RegisteredApplications" "${AppRegName}"

       ${Unless} ${Errors}

         AppAssocReg::QueryAppIsDefaultAll "${AppRegName}" "effective"

         Pop $R3

         ${If} $R3 == "1"

           StrCpy $R3 ""

           ReadRegStr $R2 HKLM "Software\Classes\http\shell\open\command" ""

           ${If} $R2 != ""

             ${GetPathFromString} "$R2" $R2

             ${GetParent} "$R2" $R3

             ${GetLongPath} "$R3" $R3

             ${If} $R3 == $INSTDIR

               StrCpy $R2 "1" ; This Firefox install is set as default.

             ${Else}

               StrCpy $R2 "$R2" "" -11 # length of firefox.exe

               ${If} "$R2" == "${FileMainEXE}"

                 StrCpy $R2 "2" ; Another Firefox install is set as default.

               ${Else}

                 StrCpy $R2 "0"

               ${EndIf}

             ${EndIf}

           ${Else}

             StrCpy $R2 "0" ; Firefox is not set as default.

           ${EndIf}

         ${EndIf}

       ${EndUnless}

     ${EndIf}

     ${If} $CanSetAsDefault == "true"

       ${If} $CheckboxSetAsDefault == "1"

         StrCpy $R3 "2"

       ${Else}

         StrCpy $R3 "3"

       ${EndIf}

     ${Else}

       ${If} ${AtLeastWin8}

         StrCpy $R3 "1"

       ${Else}

         StrCpy $R3 "0"

       ${EndIf}

     ${EndIf}

 !ifdef STUB_DEBUG

     MessageBox MB_OK "${BaseURLStubPing} \

                       $\nStub URL Version = ${StubURLVersion}${StubURLVersionAppend} \

                       $\nBuild Channel = ${Channel} \

                       $\nUpdate Channel = ${UpdateChannel} \

                       $\nLocale = ${AB_CD} \

                       $\nFirefox x64 = $R0 \

                       $\nRunning x64 Windows = $R1 \

                       $\nMajor = $5 \

                       $\nMinor = $6 \

                       $\nBuild = $7 \

                       $\nServicePack = $8 \

                       $\nIsServer = $9 \

                       $\nExit Code = $ExitCode \

                       $\nFirefox Launch Code = $FirefoxLaunchCode \

                       $\nDownload Retry Count = $DownloadRetryCount \

                       $\nDownloaded Bytes = $DownloadedBytes \

                       $\nDownload Size Bytes = $DownloadSizeBytes \

                       $\nIntroduction Phase Seconds = $IntroPhaseSeconds \

                       $\nOptions Phase Seconds = $OptionsPhaseSeconds \

                       $\nDownload Phase Seconds = $0 \

                       $\nLast Download Seconds = $1 \

                       $\nDownload First Transfer Seconds = $DownloadFirstTransferSeconds \

                       $\nPreinstall Phase Seconds = $2 \

                       $\nInstall Phase Seconds = $3 \

                       $\nFinish Phase Seconds = $4 \

                       $\nInitial Install Requirements Code = $InitialInstallRequirementsCode \

                       $\nOpened Download Page = $OpenedDownloadPage \

                       $\nExisting Profile = $ExistingProfile \

                       $\nExisting Version = $ExistingVersion \

                       $\nExisting Build ID = $ExistingBuildID \

                       $\nNew Version = $R5 \

                       $\nNew Build ID = $R6 \

                       $\nDefault Install Dir = $R7 \

                       $\nHas Admin = $R8 \

                       $\nDefault Status = $R2 \

                       $\nSet As Sefault Status = $R3 \

                       $\nDownload Server IP = $DownloadServerIP"

     ; The following will exit the installer

     SetAutoClose true

     StrCpy $R9 "2"

     Call RelativeGotoPage

 !else

     ${NSD_CreateTimer} OnPing ${DownloadIntervalMS}

     InetBgDL::Get "${BaseURLStubPing}/${StubURLVersion}${StubURLVersionAppend}/${Channel}/${UpdateChannel}/${AB_CD}/$R0/$R1/$5/$6/$7/$8/$9/$ExitCode/$FirefoxLaunchCode/$DownloadRetryCount/$DownloadedBytes/$DownloadSizeBytes/$IntroPhaseSeconds/$OptionsPhaseSeconds/$0/$1/$DownloadFirstTransferSeconds/$2/$3/$4/$InitialInstallRequirementsCode/$OpenedDownloadPage/$ExistingProfile/$ExistingVersion/$ExistingBuildID/$R5/$R6/$R7/$R8/$R2/$R3/$DownloadServerIP" \

                   "$PLUGINSDIR\_temp" /END

 !endif

   ${Else}

     ${If} "$IsDownloadFinished" == "false"

       ; Cancel the download in progress

       InetBgDL::Get /RESET /END

     ${EndIf}

     ; The following will exit the installer

     SetAutoClose true

     StrCpy $R9 "2"

     Call RelativeGotoPage

   ${EndIf}

 FunctionEnd

 Function createDummy

 FunctionEnd

 Function createIntro

   nsDialogs::Create /NOUNLOAD 1018

   Pop $Dialog

   GetFunctionAddress $0 OnBack

   nsDialogs::OnBack /NOUNLOAD $0

 !ifdef ${AB_CD}_rtl

   ; For RTL align the text with the top of the F in the Firefox bitmap

   StrCpy $0 "${INTRO_BLURB_RTL_TOP_DU}"

 !else

   ; For LTR align the text with the top of the x in the Firefox bitmap

   StrCpy $0 "${INTRO_BLURB_LTR_TOP_DU}"

 !endif

   ${NSD_CreateLabel} ${INTRO_BLURB_EDGE_DU} $0 ${INTRO_BLURB_WIDTH_DU} 76u "${INTRO_BLURB}"

   Pop $0

   SendMessage $0 ${WM_SETFONT} $FontBlurb 0

   SetCtlColors $0 ${INTRO_BLURB_TEXT_COLOR} transparent

   SetCtlColors $HWNDPARENT ${FOOTER_CONTROL_TEXT_COLOR_NORMAL} ${FOOTER_BKGRD_COLOR}

   GetDlgItem $0 $HWNDPARENT 10 ; Default browser checkbox

   ${If} "$CanSetAsDefault" == "true"

     ; The uxtheme must be disabled on checkboxes in order to override the

     ; system font color.

     System::Call 'uxtheme::SetWindowTheme(i $0 , w " ", w " ")'

     SendMessage $0 ${WM_SETFONT} $FontNormal 0

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(MAKE_DEFAULT)"

     SendMessage $0 ${BM_SETCHECK} 1 0

     SetCtlColors $0 ${FOOTER_CONTROL_TEXT_COLOR_NORMAL} ${FOOTER_BKGRD_COLOR}

   ${Else}

     ShowWindow $0 ${SW_HIDE}

   ${EndIf}

   GetDlgItem $0 $HWNDPARENT 11

   ShowWindow $0 ${SW_HIDE}

   ${NSD_CreateBitmap} ${APPNAME_BMP_EDGE_DU} ${APPNAME_BMP_TOP_DU} \

                       ${APPNAME_BMP_WIDTH_DU} ${APPNAME_BMP_HEIGHT_DU} ""

   Pop $2

   ${SetStretchedTransparentImage} $2 $PLUGINSDIR\appname.bmp $0

   ${NSD_CreateBitmap} 0 0 100% 100% ""

   Pop $2

   ${NSD_SetStretchedImage} $2 $PLUGINSDIR\bgintro.bmp $1

   GetDlgItem $0 $HWNDPARENT 1 ; Install button

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(UPGRADE_BUTTON)"

   ${Else}

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(INSTALL_BUTTON)"

   ${EndIf}

   ${NSD_SetFocus} $0

   GetDlgItem $0 $HWNDPARENT 2 ; Cancel button

   SendMessage $0 ${WM_SETTEXT} 0 "STR:$(CANCEL_BUTTON)"

   GetDlgItem $0 $HWNDPARENT 3 ; Back button used for Options

   SendMessage $0 ${WM_SETTEXT} 0 "STR:$(OPTIONS_BUTTON)"

   System::Call "kernel32::GetTickCount()l .s"

   Pop $StartIntroPhaseTickCount

   LockWindow off

   nsDialogs::Show

   ${NSD_FreeImage} $0

   ${NSD_FreeImage} $1

 FunctionEnd

 Function leaveIntro

   LockWindow on

   System::Call "kernel32::GetTickCount()l .s"

   Pop $0

   ${GetSecondsElapsed} "$StartIntroPhaseTickCount" "$0" $IntroPhaseSeconds

   ; It is possible for this value to be 0 if the user clicks fast enough so

   ; increment the value by 1 if it is 0.

   ${If} $IntroPhaseSeconds == 0

     IntOp $IntroPhaseSeconds $IntroPhaseSeconds + 1

   ${EndIf}

   SetShellVarContext all ; Set SHCTX to All Users

   ; If the user doesn't have write access to the installation directory set

   ; the installation directory to a subdirectory of the All Users application

   ; directory and if the user can't write to that location set the installation

   ; directory to a subdirectory of the users local application directory

   ; (e.g. non-roaming).

   Call CanWrite

   ${If} "$CanWriteToInstallDir" == "false"

     StrCpy $INSTDIR "$APPDATA\${BrandFullName}\"

     Call CanWrite

     ${If} "$CanWriteToInstallDir" == "false"

       ; This should never happen but just in case.

       StrCpy $CanWriteToInstallDir "false"

     ${Else}

       StrCpy $INSTDIR "$LOCALAPPDATA\${BrandFullName}\"

       Call CanWrite

     ${EndIf}

   ${EndIf}

   Call CheckSpace

   ${If} ${FileExists} "$INSTDIR"

     ; Always display the long path if the path exists.

     ${GetLongPath} "$INSTDIR" $INSTDIR

   ${EndIf}

 FunctionEnd

 Function createOptions

   ; Check whether the install requirements are satisfied using the default

   ; values for metrics.

   ${If} "$InitialInstallRequirementsCode" == ""

     ${If} "$CanWriteToInstallDir" != "true"

     ${AndIf} "$HasRequiredSpaceAvailable" != "true"

       StrCpy $InitialInstallRequirementsCode "1"

     ${ElseIf} "$CanWriteToInstallDir" != "true"

       StrCpy $InitialInstallRequirementsCode "2"

     ${ElseIf} "$HasRequiredSpaceAvailable" != "true"

       StrCpy $InitialInstallRequirementsCode "3"

     ${Else}

       StrCpy $InitialInstallRequirementsCode "0"

     ${EndIf}

   ${EndIf}

   ; Skip the options page unless the Options button was clicked as long as the

   ; installation directory can be written to and there is the minimum required

   ; space available.

   ${If} "$WasOptionsButtonClicked" != "1"

     ${If} "$CanWriteToInstallDir" == "true"

     ${AndIf} "$HasRequiredSpaceAvailable" == "true"

       Abort ; Skip the options page

     ${EndIf}

   ${EndIf}

   StrCpy $ExistingTopDir ""

   nsDialogs::Create /NOUNLOAD 1018

   Pop $Dialog

   ; Since the text color for controls is set in this Dialog the foreground and

   ; background colors of the Dialog must also be hardcoded.

   SetCtlColors $Dialog ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   ${NSD_CreateLabel} ${OPTIONS_ITEM_EDGE_DU} 18u ${OPTIONS_ITEM_WIDTH_DU} \

                      12u "$(CREATE_SHORTCUTS)"

   Pop $0

   SetCtlColors $0 ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $0 ${WM_SETFONT} $FontNormal 0

   ${If} ${AtLeastWin7}

     StrCpy $0 "$(ADD_SC_TASKBAR)"

   ${Else}

     StrCpy $0 "$(ADD_SC_QUICKLAUNCHBAR)"

   ${EndIf}

   ${NSD_CreateCheckbox} ${OPTIONS_SUBITEM_EDGE_DU} 38u \

                         ${OPTIONS_SUBITEM_WIDTH_DU} 12u "$0"

   Pop $CheckboxShortcutOnBar

   ; The uxtheme must be disabled on checkboxes in order to override the system

   ; font color.

   System::Call 'uxtheme::SetWindowTheme(i $CheckboxShortcutOnBar, w " ", w " ")'

   SetCtlColors $CheckboxShortcutOnBar ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $CheckboxShortcutOnBar ${WM_SETFONT} $FontNormal 0

   ${NSD_Check} $CheckboxShortcutOnBar

   ${NSD_CreateCheckbox} ${OPTIONS_SUBITEM_EDGE_DU} 54u ${OPTIONS_SUBITEM_WIDTH_DU} \

                         12u "$(ADD_CheckboxShortcutInStartMenu)"

   Pop $CheckboxShortcutInStartMenu

   ; The uxtheme must be disabled on checkboxes in order to override the system

   ; font color.

   System::Call 'uxtheme::SetWindowTheme(i $CheckboxShortcutInStartMenu, w " ", w " ")'

   SetCtlColors $CheckboxShortcutInStartMenu ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $CheckboxShortcutInStartMenu ${WM_SETFONT} $FontNormal 0

   ${NSD_Check} $CheckboxShortcutInStartMenu

   ${NSD_CreateCheckbox} ${OPTIONS_SUBITEM_EDGE_DU} 70u ${OPTIONS_SUBITEM_WIDTH_DU} \

                         12u "$(ADD_CheckboxShortcutOnDesktop)"

   Pop $CheckboxShortcutOnDesktop

   ; The uxtheme must be disabled on checkboxes in order to override the system

   ; font color.

   System::Call 'uxtheme::SetWindowTheme(i $CheckboxShortcutOnDesktop, w " ", w " ")'

   SetCtlColors $CheckboxShortcutOnDesktop ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $CheckboxShortcutOnDesktop ${WM_SETFONT} $FontNormal 0

   ${NSD_Check} $CheckboxShortcutOnDesktop

   ${NSD_CreateLabel} ${OPTIONS_ITEM_EDGE_DU} 100u ${OPTIONS_ITEM_WIDTH_DU} \

                      12u "$(DEST_FOLDER)"

   Pop $0

   SetCtlColors $0 ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $0 ${WM_SETFONT} $FontNormal 0

   ${NSD_CreateDirRequest} ${OPTIONS_SUBITEM_EDGE_DU} 116u 159u 14u "$INSTDIR"

   Pop $DirRequest

   SetCtlColors $DirRequest ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $DirRequest ${WM_SETFONT} $FontNormal 0

   System::Call shlwapi::SHAutoComplete(i $DirRequest, i ${SHACF_FILESYSTEM})

   ${NSD_OnChange} $DirRequest OnChange_DirRequest

 !ifdef ${AB_CD}_rtl

   ; Remove the RTL styling from the directory request text box

   ${RemoveStyle} $DirRequest ${SS_RIGHT}

   ${RemoveExStyle} $DirRequest ${WS_EX_RIGHT}

   ${RemoveExStyle} $DirRequest ${WS_EX_RTLREADING}

   ${NSD_AddStyle} $DirRequest ${SS_LEFT}

   ${NSD_AddExStyle} $DirRequest ${WS_EX_LTRREADING}|${WS_EX_LEFT}

 !endif

   ${NSD_CreateBrowseButton} 280u 116u 50u 14u "$(BROWSE_BUTTON)"

   Pop $ButtonBrowse

   SetCtlColors $ButtonBrowse "" ${COMMON_BKGRD_COLOR}

   ${NSD_OnClick} $ButtonBrowse OnClick_ButtonBrowse

   ; Get the number of pixels from the left of the Dialog to the right side of

   ; the "Space Required:" and "Space Available:" labels prior to setting RTL so

   ; the correct position of the controls can be set by NSIS for RTL locales.

   ; Get the width and height of both labels and use the tallest for the height

   ; and the widest to calculate where to place the labels after these labels.

   ${GetTextExtent} "$(SPACE_REQUIRED)" $FontItalic $0 $1

   ${GetTextExtent} "$(SPACE_AVAILABLE)" $FontItalic $2 $3

   ${If} $1 > $3

     StrCpy $ControlHeightPX "$1"

   ${Else}

     StrCpy $ControlHeightPX "$3"

   ${EndIf}

   IntOp $0 $0 + 8 ; Add padding to the control's width

   ; Make both controls the same width as the widest control

   ${NSD_CreateLabelCenter} ${OPTIONS_SUBITEM_EDGE_DU} 134u $0 $ControlHeightPX "$(SPACE_REQUIRED)"

   Pop $5

   SetCtlColors $5 ${COMMON_TEXT_COLOR_FADED} ${COMMON_BKGRD_COLOR}

   SendMessage $5 ${WM_SETFONT} $FontItalic 0

   IntOp $2 $2 + 8 ; Add padding to the control's width

   ${NSD_CreateLabelCenter} ${OPTIONS_SUBITEM_EDGE_DU} 145u $2 $ControlHeightPX "$(SPACE_AVAILABLE)"

   Pop $6

   SetCtlColors $6 ${COMMON_TEXT_COLOR_FADED} ${COMMON_BKGRD_COLOR}

   SendMessage $6 ${WM_SETFONT} $FontItalic 0

   ; Use the widest label for aligning the labels next to them

   ${If} $0 > $2

     StrCpy $6 "$5"

   ${EndIf}

   FindWindow $1 "#32770" "" $HWNDPARENT

   ${GetDlgItemEndPX} $6 $ControlRightPX

   IntOp $ControlRightPX $ControlRightPX + 6

   ${NSD_CreateLabel} $ControlRightPX 134u 100% $ControlHeightPX \

                      "${APPROXIMATE_REQUIRED_SPACE_MB} $(MEGA)$(BYTE)"

   Pop $7

   SetCtlColors $7 ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $7 ${WM_SETFONT} $FontNormal 0

   ; Create the free space label with an empty string and update it by calling

   ; UpdateFreeSpaceLabel

   ${NSD_CreateLabel} $ControlRightPX 145u 100% $ControlHeightPX " "

   Pop $LabelFreeSpace

   SetCtlColors $LabelFreeSpace ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $LabelFreeSpace ${WM_SETFONT} $FontNormal 0

   Call UpdateFreeSpaceLabel

   ${NSD_CreateCheckbox} ${OPTIONS_ITEM_EDGE_DU} 168u ${OPTIONS_SUBITEM_WIDTH_DU} \

                         12u "$(SEND_PING)"

   Pop $CheckboxSendPing

   ; The uxtheme must be disabled on checkboxes in order to override the system

   ; font color.

   System::Call 'uxtheme::SetWindowTheme(i $CheckboxSendPing, w " ", w " ")'

   SetCtlColors $CheckboxSendPing ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   SendMessage $CheckboxSendPing ${WM_SETFONT} $FontNormal 0

   ${NSD_Check} $CheckboxSendPing

 !ifdef MOZ_MAINTENANCE_SERVICE

   ; Only show the maintenance service checkbox if we have write access to HKLM

   Call IsUserAdmin

   Pop $0

   ClearErrors

   WriteRegStr HKLM "Software\Mozilla" "${BrandShortName}InstallerTest" \

                    "Write Test"

   ${If} ${Errors}

   ${OrIf} $0 != "true"

     StrCpy $CheckboxInstallMaintSvc "0"

   ${Else}

     DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"

     ; Read the registry instead of using ServicesHelper::IsInstalled so the

     ; plugin isn't included in the stub installer to lessen its size.

     ClearErrors

     ReadRegStr $0 HKLM "SYSTEM\CurrentControlSet\services\MozillaMaintenance" "ImagePath"

     ${If} ${Errors}

       ${NSD_CreateCheckbox} ${OPTIONS_ITEM_EDGE_DU} 184u ${OPTIONS_ITEM_WIDTH_DU} \

                             12u "$(INSTALL_MAINT_SERVICE)"

       Pop $CheckboxInstallMaintSvc

       System::Call 'uxtheme::SetWindowTheme(i $CheckboxInstallMaintSvc, w " ", w " ")'

       SetCtlColors $CheckboxInstallMaintSvc ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

       SendMessage $CheckboxInstallMaintSvc ${WM_SETFONT} $FontNormal 0

       ${NSD_Check} $CheckboxInstallMaintSvc

     ${EndIf}

   ${EndIf}

 !endif

   GetDlgItem $0 $HWNDPARENT 1 ; Install button

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(UPGRADE_BUTTON)"

   ${Else}

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(INSTALL_BUTTON)"

   ${EndIf}

   ${NSD_SetFocus} $0

   GetDlgItem $0 $HWNDPARENT 2 ; Cancel button

   SendMessage $0 ${WM_SETTEXT} 0 "STR:$(CANCEL_BUTTON)"

   GetDlgItem $0 $HWNDPARENT 3 ; Back button used for Options

   EnableWindow $0 0

   ShowWindow $0 ${SW_HIDE}

   ; If the option button was not clicked display the reason for what needs to be

   ; resolved to continue the installation.

   ${If} "$WasOptionsButtonClicked" != "1"

     ${If} "$CanWriteToInstallDir" == "false"

       MessageBox MB_OK|MB_ICONEXCLAMATION "$(WARN_WRITE_ACCESS)"

     ${ElseIf} "$HasRequiredSpaceAvailable" == "false"

       MessageBox MB_OK|MB_ICONEXCLAMATION "$(WARN_DISK_SPACE)"

     ${EndIf}

   ${EndIf}

   System::Call "kernel32::GetTickCount()l .s"

   Pop $StartOptionsPhaseTickCount

   LockWindow off

   nsDialogs::Show

 FunctionEnd

 Function leaveOptions

   LockWindow on

   ${GetRoot} "$INSTDIR" $0

   ${GetLongPath} "$INSTDIR" $INSTDIR

   ${GetLongPath} "$0" $0

   ${If} "$INSTDIR" == "$0"

     LockWindow off

     MessageBox MB_OK|MB_ICONEXCLAMATION "$(WARN_ROOT_INSTALL)"

     Abort ; Stay on the page

   ${EndIf}

   Call CanWrite

   ${If} "$CanWriteToInstallDir" == "false"

     LockWindow off

     MessageBox MB_OK|MB_ICONEXCLAMATION "$(WARN_WRITE_ACCESS)"

     Abort ; Stay on the page

   ${EndIf}

   Call CheckSpace

   ${If} "$HasRequiredSpaceAvailable" == "false"

     LockWindow off

     MessageBox MB_OK|MB_ICONEXCLAMATION "$(WARN_DISK_SPACE)"

     Abort ; Stay on the page

   ${EndIf}

   System::Call "kernel32::GetTickCount()l .s"

   Pop $0

   ${GetSecondsElapsed} "$StartOptionsPhaseTickCount" "$0" $OptionsPhaseSeconds

   ; It is possible for this value to be 0 if the user clicks fast enough so

   ; increment the value by 1 if it is 0.

   ${If} $OptionsPhaseSeconds == 0

     IntOp $OptionsPhaseSeconds $OptionsPhaseSeconds + 1

   ${EndIf}

   ${NSD_GetState} $CheckboxShortcutOnBar $CheckboxShortcutOnBar

   ${NSD_GetState} $CheckboxShortcutInStartMenu $CheckboxShortcutInStartMenu

   ${NSD_GetState} $CheckboxShortcutOnDesktop $CheckboxShortcutOnDesktop

   ${NSD_GetState} $CheckboxSendPing $CheckboxSendPing

 !ifdef MOZ_MAINTENANCE_SERVICE

   ${NSD_GetState} $CheckboxInstallMaintSvc $CheckboxInstallMaintSvc

 !endif

 FunctionEnd

 Function createInstall

   nsDialogs::Create /NOUNLOAD 1018

   Pop $Dialog

   ; Since the text color for controls is set in this Dialog the foreground and

   ; background colors of the Dialog must also be hardcoded.

   SetCtlColors $Dialog ${COMMON_TEXT_COLOR_NORMAL} ${COMMON_BKGRD_COLOR}

   ${NSD_CreateLabel} 0 0 49u 64u ""

   Pop $0

   ${GetDlgItemWidthHeight} $0 $1 $2

   System::Call 'user32::DestroyWindow(i r0)'

   ${NSD_CreateLabel} 0 0 11u 16u ""

   Pop $0

   ${GetDlgItemWidthHeight} $0 $3 $4

   System::Call 'user32::DestroyWindow(i r0)'

   FindWindow $7 "#32770" "" $HWNDPARENT

   ${GetDlgItemWidthHeight} $7 $8 $9

   ; Allow a maximum text width of half of the Dialog's width

   IntOp $R0 $8 / 2

   ${GetTextWidthHeight} "${INSTALL_BLURB1}" $FontBlurb $R0 $5 $6

   IntOp $R1 $1 + $3

   IntOp $R1 $R1 + $5

   IntOp $R1 $8 - $R1

   IntOp $R1 $R1 / 2

   ${NSD_CreateBitmap} $R1 ${INSTALL_BLURB_TOP_DU} 49u 64u ""

   Pop $BitmapBlurb1

   ${SetStretchedTransparentImage} $BitmapBlurb1 $PLUGINSDIR\clock.bmp $HwndBitmapBlurb1

   IntOp $R1 $R1 + $1

   IntOp $R1 $R1 + $3

   ${NSD_CreateLabel} $R1 ${INSTALL_BLURB_TOP_DU} $5 $6 "${INSTALL_BLURB1}"

   Pop $LabelBlurb1

   SendMessage $LabelBlurb1 ${WM_SETFONT} $FontBlurb 0

   SetCtlColors $LabelBlurb1 ${INSTALL_BLURB_TEXT_COLOR} transparent

   ${GetTextWidthHeight} "${INSTALL_BLURB2}" $FontBlurb $R0 $5 $6

   IntOp $R1 $1 + $3

   IntOp $R1 $R1 + $5

   IntOp $R1 $8 - $R1

   IntOp $R1 $R1 / 2

   ${NSD_CreateBitmap} $R1 ${INSTALL_BLURB_TOP_DU} 49u 64u ""

   Pop $BitmapBlurb2

   ${SetStretchedTransparentImage} $BitmapBlurb2 $PLUGINSDIR\particles.bmp $HwndBitmapBlurb2

   IntOp $R1 $R1 + $1

   IntOp $R1 $R1 + $3

   ${NSD_CreateLabel} $R1 ${INSTALL_BLURB_TOP_DU} $5 $6 "${INSTALL_BLURB2}"

   Pop $LabelBlurb2

   SendMessage $LabelBlurb2 ${WM_SETFONT} $FontBlurb 0

   SetCtlColors $LabelBlurb2 ${INSTALL_BLURB_TEXT_COLOR} transparent

   ShowWindow $BitmapBlurb2 ${SW_HIDE}

   ShowWindow $LabelBlurb2 ${SW_HIDE}

   ${GetTextWidthHeight} "${INSTALL_BLURB3}" $FontBlurb $R0 $5 $6

   IntOp $R1 $1 + $3

   IntOp $R1 $R1 + $5

   IntOp $R1 $8 - $R1

   IntOp $R1 $R1 / 2

   ${NSD_CreateBitmap} $R1 ${INSTALL_BLURB_TOP_DU} 49u 64u ""

   Pop $BitmapBlurb3

   ${SetStretchedTransparentImage} $BitmapBlurb3 $PLUGINSDIR\pencil.bmp $HWndBitmapBlurb3

   IntOp $R1 $R1 + $1

   IntOp $R1 $R1 + $3

   ${NSD_CreateLabel} $R1 ${INSTALL_BLURB_TOP_DU} $5 $6 "${INSTALL_BLURB3}"

   Pop $LabelBlurb3

   SendMessage $LabelBlurb3 ${WM_SETFONT} $FontBlurb 0

   SetCtlColors $LabelBlurb3 ${INSTALL_BLURB_TEXT_COLOR} transparent

   ShowWindow $BitmapBlurb3 ${SW_HIDE}

   ShowWindow $LabelBlurb3 ${SW_HIDE}

   ${NSD_CreateProgressBar} 103u 166u 241u 9u ""

   Pop $Progressbar

   ${NSD_AddStyle} $Progressbar ${PBS_MARQUEE}

   SendMessage $Progressbar ${PBM_SETMARQUEE} 1 \

               $ProgressbarMarqueeIntervalMS ; start=1|stop=0 interval(ms)=+N

   ${NSD_CreateLabelCenter} 103u 180u 241u 20u "$(DOWNLOADING_LABEL)"

   Pop $LabelDownloading

   SendMessage $LabelDownloading ${WM_SETFONT} $FontNormal 0

   SetCtlColors $LabelDownloading ${INSTALL_PROGRESS_TEXT_COLOR_NORMAL} transparent

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"

     ${NSD_CreateLabelCenter} 103u 180u 241u 20u "$(UPGRADING_LABEL)"

   ${Else}

     ${NSD_CreateLabelCenter} 103u 180u 241u 20u "$(INSTALLING_LABEL)"

   ${EndIf}

   Pop $LabelInstalling

   SendMessage $LabelInstalling ${WM_SETFONT} $FontNormal 0

   SetCtlColors $LabelInstalling ${INSTALL_PROGRESS_TEXT_COLOR_NORMAL} transparent

   ShowWindow $LabelInstalling ${SW_HIDE}

   ${NSD_CreateBitmap} ${APPNAME_BMP_EDGE_DU} ${APPNAME_BMP_TOP_DU} \

                       ${APPNAME_BMP_WIDTH_DU} ${APPNAME_BMP_HEIGHT_DU} ""

   Pop $2

   ${SetStretchedTransparentImage} $2 $PLUGINSDIR\appname.bmp $0

   GetDlgItem $0 $HWNDPARENT 1 ; Install button

   EnableWindow $0 0

   ShowWindow $0 ${SW_HIDE}

   GetDlgItem $0 $HWNDPARENT 3 ; Back button used for Options

   EnableWindow $0 0

   ShowWindow $0 ${SW_HIDE}

   GetDlgItem $0 $HWNDPARENT 2 ; Cancel button

   SendMessage $0 ${WM_SETTEXT} 0 "STR:$(CANCEL_BUTTON)"

   ; Focus the Cancel button otherwise it isn't possible to tab to it since it is

   ; the only control that can be tabbed to.

   ${NSD_SetFocus} $0

   ; Kill the Cancel button's focus so pressing enter won't cancel the install.

   SendMessage $0 ${WM_KILLFOCUS} 0 0

   ${If} "$CanSetAsDefault" == "true"

     GetDlgItem $0 $HWNDPARENT 10 ; Default browser checkbox

     SendMessage $0 ${BM_GETCHECK} 0 0 $CheckboxSetAsDefault

     EnableWindow $0 0

     ShowWindow $0 ${SW_HIDE}

   ${EndIf}

   GetDlgItem $0 $HWNDPARENT 11

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(ONE_MOMENT_UPGRADE)"

   ${Else}

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(ONE_MOMENT_INSTALL)"

   ${EndIf}

   SendMessage $0 ${WM_SETFONT} $FontNormal 0

   SetCtlColors $0 ${FOOTER_CONTROL_TEXT_COLOR_FADED} ${FOOTER_BKGRD_COLOR}

   ShowWindow $0 ${SW_SHOW}

   ; Set $DownloadReset to true so the first download tick count is measured.

   StrCpy $DownloadReset "true"

   StrCpy $IsDownloadFinished "false"

   StrCpy $DownloadRetryCount "0"

   StrCpy $DownloadedBytes "0"

   StrCpy $StartLastDownloadTickCount ""

   StrCpy $EndDownloadPhaseTickCount ""

   StrCpy $DownloadFirstTransferSeconds ""

   StrCpy $ExitCode "${ERR_DOWNLOAD_CANCEL}"

   StrCpy $OpenedDownloadPage "0"

   ClearErrors

   ReadINIStr $ExistingVersion "$INSTDIR\application.ini" "App" "Version"

   ${If} ${Errors}

     StrCpy $ExistingVersion "0"

   ${EndIf}

   ClearErrors

   ReadINIStr $ExistingBuildID "$INSTDIR\application.ini" "App" "BuildID"

   ${If} ${Errors}

     StrCpy $ExistingBuildID "0"

   ${EndIf}

   ${If} ${FileExists} "$LOCALAPPDATA\Mozilla\Firefox"

     StrCpy $ExistingProfile "1"

   ${Else}

     StrCpy $ExistingProfile "0"

   ${EndIf}

   StrCpy $DownloadServerIP ""

   System::Call "kernel32::GetTickCount()l .s"

   Pop $StartDownloadPhaseTickCount

   ${If} ${FileExists} "$INSTDIR\uninstall\uninstall.log"

     StrCpy $InstallTotalSteps ${InstallPaveOverTotalSteps}

   ${Else}

     StrCpy $InstallTotalSteps ${InstallCleanTotalSteps}

   ${EndIf}

   ${NSD_CreateTimer} StartDownload ${DownloadIntervalMS}

   LockWindow off

   nsDialogs::Show

   ${NSD_FreeImage} $0

   ${NSD_FreeImage} $HwndBitmapBlurb1

   ${NSD_FreeImage} $HwndBitmapBlurb2

   ${NSD_FreeImage} $HWndBitmapBlurb3

 FunctionEnd

 Function StartDownload

   ${NSD_KillTimer} StartDownload

   InetBgDL::Get "${URLStubDownload}${URLStubDownloadAppend}" "$PLUGINSDIR\download.exe" \

                 /CONNECTTIMEOUT 120 /RECEIVETIMEOUT 120 /END

   StrCpy $4 ""

   ${NSD_CreateTimer} OnDownload ${DownloadIntervalMS}

   ${If} ${FileExists} "$INSTDIR\${TO_BE_DELETED}"

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

   ${EndIf}

 FunctionEnd

 Function OnDownload

   InetBgDL::GetStats

   # $0 = HTTP status code, 0=Completed

   # $1 = Completed files

   # $2 = Remaining files

   # $3 = Number of downloaded bytes for the current file

   # $4 = Size of current file (Empty string if the size is unknown)

   # /RESET must be used if status $0 > 299 (e.g. failure)

   # When status is $0 =< 299 it is handled by InetBgDL

   StrCpy $DownloadServerIP "$5"

   ${If} $0 > 299

     ${NSD_KillTimer} OnDownload

     IntOp $DownloadRetryCount $DownloadRetryCount + 1

     ${If} "$DownloadReset" != "true"

       StrCpy $DownloadedBytes "0"

       ${NSD_AddStyle} $Progressbar ${PBS_MARQUEE}

       SendMessage $Progressbar ${PBM_SETMARQUEE} 1 \

                   $ProgressbarMarqueeIntervalMS ; start=1|stop=0 interval(ms)=+N

     ${EndIf}

     InetBgDL::Get /RESET /END

     StrCpy $DownloadSizeBytes ""

     StrCpy $DownloadReset "true"

     ${If} $DownloadRetryCount >= ${DownloadMaxRetries}

       StrCpy $ExitCode "${ERR_DOWNLOAD_TOO_MANY_RETRIES}"

       ; Use a timer so the UI has a chance to update

       ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

     ${Else}

       ${NSD_CreateTimer} StartDownload ${DownloadRetryIntervalMS}

     ${EndIf}

     Return

   ${EndIf}

   ${If} "$DownloadReset" == "true"

     System::Call "kernel32::GetTickCount()l .s"

     Pop $StartLastDownloadTickCount

     StrCpy $DownloadReset "false"

     ; The seconds elapsed from the start of the download phase until the first

     ; bytes are received are only recorded for the first request so it is

     ; possible to determine connection issues for the first request.

     ${If} "$DownloadFirstTransferSeconds" == ""

       ; Get the seconds elapsed from the start of the download phase until the

       ; first bytes are received.

       ${GetSecondsElapsed} "$StartDownloadPhaseTickCount" "$StartLastDownloadTickCount" $DownloadFirstTransferSeconds

     ${EndIf}

   ${EndIf}

   ${If} "$DownloadSizeBytes" == ""

   ${AndIf} "$4" != ""

     ; Handle the case where the size of the file to be downloaded is less than

     ; the minimum expected size or greater than the maximum expected size at the

     ; beginning of the download.

     ${If} $4 < ${DownloadMinSizeBytes}

     ${OrIf} $4 > ${DownloadMaxSizeBytes}

       ${NSD_KillTimer} OnDownload

       InetBgDL::Get /RESET /END

       StrCpy $DownloadReset "true"

       ${If} $DownloadRetryCount >= ${DownloadMaxRetries}

         ; Use a timer so the UI has a chance to update

         ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

       ${Else}

         ${NSD_CreateTimer} StartDownload ${DownloadIntervalMS}

       ${EndIf}

       Return

     ${EndIf}

     StrCpy $DownloadSizeBytes "$4"

     System::Int64Op $4 / 2

     Pop $HalfOfDownload

     System::Int64Op $HalfOfDownload / $InstallTotalSteps

     Pop $InstallStepSize

     SendMessage $Progressbar ${PBM_SETMARQUEE} 0 0 ; start=1|stop=0 interval(ms)=+N

     ${RemoveStyle} $Progressbar ${PBS_MARQUEE}

     System::Int64Op $HalfOfDownload + $DownloadSizeBytes

     Pop $R9

     SendMessage $Progressbar ${PBM_SETRANGE32} 0 $R9

   ${EndIf}

   ; Don't update the status until after the download starts

   ${If} $2 != 0

   ${AndIf} "$4" == ""

     Return

   ${EndIf}

   ; Handle the case where the downloaded size is greater than the maximum

   ; expected size during the download.

   ${If} $DownloadedBytes > ${DownloadMaxSizeBytes}

     InetBgDL::Get /RESET /END

     StrCpy $DownloadReset "true"

     ${If} $DownloadRetryCount >= ${DownloadMaxRetries}

       ; Use a timer so the UI has a chance to update

       ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

     ${Else}

       ${NSD_CreateTimer} StartDownload ${DownloadIntervalMS}

     ${EndIf}

     Return

   ${EndIf}

   ${If} $IsDownloadFinished != "true"

     ${If} $2 == 0

       ${NSD_KillTimer} OnDownload

       StrCpy $IsDownloadFinished "true"

       ; The first step of the install progress bar is determined by the

       ; InstallProgressFirstStep define and provides the user with immediate

       ; feedback.

       StrCpy $InstallCounterStep "${InstallProgressFirstStep}"

       System::Call "kernel32::GetTickCount()l .s"

       Pop $EndDownloadPhaseTickCount

       StrCpy $DownloadedBytes "$DownloadSizeBytes"

       ; When a download has finished handle the case where the  downloaded size

       ; is less than the minimum expected size or greater than the maximum

       ; expected size during the download.

       ${If} $DownloadedBytes < ${DownloadMinSizeBytes}

       ${OrIf} $DownloadedBytes > ${DownloadMaxSizeBytes}

         InetBgDL::Get /RESET /END

         StrCpy $DownloadReset "true"

         ${If} $DownloadRetryCount >= ${DownloadMaxRetries}

           ; Use a timer so the UI has a chance to update

           ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

         ${Else}

           ${NSD_CreateTimer} StartDownload ${DownloadIntervalMS}

         ${EndIf}

         Return

       ${EndIf}

       LockWindow on

       ; Update the progress bars first in the UI change so they take affect

       ; before other UI changes.

       SendMessage $Progressbar ${PBM_SETPOS} $DownloadSizeBytes 0

       System::Int64Op $InstallStepSize * ${InstallProgressFirstStep}

       Pop $R9

       SendMessage $Progressbar ${PBM_SETSTEP} $R9 0

       SendMessage $Progressbar ${PBM_STEPIT} 0 0

       SendMessage $Progressbar ${PBM_SETSTEP} $InstallStepSize 0

       ShowWindow $LabelDownloading ${SW_HIDE}

       ShowWindow $LabelInstalling ${SW_SHOW}

       ShowWindow $LabelBlurb2 ${SW_HIDE}

       ShowWindow $BitmapBlurb2 ${SW_HIDE}

       ShowWindow $LabelBlurb3 ${SW_SHOW}

       ShowWindow $BitmapBlurb3 ${SW_SHOW}

       ; Disable the Cancel button during the install

       GetDlgItem $5 $HWNDPARENT 2

       EnableWindow $5 0

       LockWindow off

       ; Open a handle to prevent modification of the full installer

       StrCpy $R9 "${INVALID_HANDLE_VALUE}"

       System::Call 'kernel32::CreateFileW(w "$PLUGINSDIR\download.exe", \

                                           i ${GENERIC_READ}, \

                                           i ${FILE_SHARE_READ}, i 0, \

                                           i ${OPEN_EXISTING}, i 0, i 0) i .R9'

       StrCpy $HandleDownload "$R9"

       ${If} $HandleDownload == ${INVALID_HANDLE_VALUE}

         StrCpy $ExitCode "${ERR_PREINSTALL_INVALID_HANDLE}"

         StrCpy $0 "0"

         StrCpy $1 "0"

       ${Else}

         CertCheck::VerifyCertTrust "$PLUGINSDIR\download.exe"

         Pop $0

         CertCheck::VerifyCertNameIssuer "$PLUGINSDIR\download.exe" \

                                         "${CertNameDownload}" "${CertIssuerDownload}"

         Pop $1

         ${If} $0 == 0

         ${AndIf} $1 == 0

           StrCpy $ExitCode "${ERR_PREINSTALL_CERT_UNTRUSTED_AND_ATTRIBUTES}"

         ${ElseIf} $0 == 0

           StrCpy $ExitCode "${ERR_PREINSTALL_CERT_UNTRUSTED}"

         ${ElseIf}  $1 == 0

           StrCpy $ExitCode "${ERR_PREINSTALL_CERT_ATTRIBUTES}"

         ${EndIf}

       ${EndIf}

       System::Call "kernel32::GetTickCount()l .s"

       Pop $EndPreInstallPhaseTickCount

       ${If} $0 == 0

       ${OrIf} $1 == 0

         ; Use a timer so the UI has a chance to update

         ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

         Return

       ${EndIf}

       ; Instead of extracting the files we use the downloaded installer to

       ; install in case it needs to perform operations that the stub doesn't

       ; know about.

       WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "InstallDirectoryPath" "$INSTDIR"

       ; Don't create the QuickLaunch or Taskbar shortcut from the launched installer

       WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "QuickLaunchShortcut" "false"

       ${If} $CheckboxShortcutOnDesktop == 1

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "DesktopShortcut" "true"

       ${Else}

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "DesktopShortcut" "false"

       ${EndIf}

       ${If} $CheckboxShortcutInStartMenu == 1

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "StartMenuShortcuts" "true"

       ${Else}

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "StartMenuShortcuts" "false"

       ${EndIf}

 !ifdef MOZ_MAINTENANCE_SERVICE

       ${If} $CheckboxInstallMaintSvc == 1

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "MaintenanceService" "true"

       ${Else}

         WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "MaintenanceService" "false"

       ${EndIf}

 !else

       WriteINIStr "$PLUGINSDIR\${CONFIG_INI}" "Install" "MaintenanceService" "false"

 !endif

       ; Write migrated to the shortcuts.ini file to prevent the installer

       ; from creating a taskbar shortcut (Bug 791613).

       ${GetShortcutsLogPath} $0

       Delete "$0"

       ; Workaround to prevent pinning to the taskbar.

       ${If} $CheckboxShortcutOnBar == 0

         WriteIniStr "$0" "TASKBAR" "Migrated" "true"

       ${EndIf}

       ${OnStubInstallUninstall} $Progressbar $InstallCounterStep

       ; Delete the install.log and let the full installer create it. When the

       ; installer closes it we can detect that it has completed.

       Delete "$INSTDIR\install.log"

       ; Delete firefox.exe.moz-upgrade if it exists since it being present will

       ; require an OS restart for the full installer.

       Delete "$INSTDIR\${FileMainEXE}.moz-upgrade"

       System::Call "kernel32::GetTickCount()l .s"

       Pop $EndPreInstallPhaseTickCount

       Exec "$\"$PLUGINSDIR\download.exe$\" /INI=$PLUGINSDIR\${CONFIG_INI}"

       ${NSD_CreateTimer} CheckInstall ${InstallIntervalMS}

     ${Else}

       ${If} $HalfOfDownload != "true"

       ${AndIf} $3 > $HalfOfDownload

         StrCpy $HalfOfDownload "true"

         LockWindow on

         ShowWindow $LabelBlurb1 ${SW_HIDE}

         ShowWindow $BitmapBlurb1 ${SW_HIDE}

         ShowWindow $LabelBlurb2 ${SW_SHOW}

         ShowWindow $BitmapBlurb2 ${SW_SHOW}

         LockWindow off

       ${EndIf}

       StrCpy $DownloadedBytes "$3"

       SendMessage $Progressbar ${PBM_SETPOS} $3 0

     ${EndIf}

   ${EndIf}

 FunctionEnd

 Function OnPing

   InetBgDL::GetStats

   # $0 = HTTP status code, 0=Completed

   # $1 = Completed files

   # $2 = Remaining files

   # $3 = Number of downloaded bytes for the current file

   # $4 = Size of current file (Empty string if the size is unknown)

   # /RESET must be used if status $0 > 299 (e.g. failure)

   # When status is $0 =< 299 it is handled by InetBgDL

   ${If} $2 == 0

   ${OrIf} $0 > 299

     ${NSD_KillTimer} OnPing

     ${If} $0 > 299

       InetBgDL::Get /RESET /END

     ${EndIf}

     ; The following will exit the installer

     SetAutoClose true

     StrCpy $R9 "2"

     Call RelativeGotoPage

   ${EndIf}

 FunctionEnd

 Function CheckInstall

   IntOp $InstallCounterStep $InstallCounterStep + 1

   ${If} $InstallCounterStep >= $InstallTotalSteps

     ${NSD_KillTimer} CheckInstall

     ; Close the handle that prevents modification of the full installer

     System::Call 'kernel32::CloseHandle(i $HandleDownload)'

     StrCpy $ExitCode "${ERR_INSTALL_TIMEOUT}"

     ; Use a timer so the UI has a chance to update

     ${NSD_CreateTimer} DisplayDownloadError ${InstallIntervalMS}

     Return

   ${EndIf}

   SendMessage $Progressbar ${PBM_STEPIT} 0 0

   ${If} ${FileExists} "$INSTDIR\install.log"

     Delete "$INSTDIR\install.tmp"

     CopyFiles /SILENT "$INSTDIR\install.log" "$INSTDIR\install.tmp"

     ; The unfocus and refocus that happens approximately here is caused by the

     ; installer calling SHChangeNotify to refresh the shortcut icons.

     ; When the full installer completes the installation the install.log will no

     ; longer be in use.

     ClearErrors

     Delete "$INSTDIR\install.log"

     ${Unless} ${Errors}

       ${NSD_KillTimer} CheckInstall

       ; Close the handle that prevents modification of the full installer

       System::Call 'kernel32::CloseHandle(i $HandleDownload)'

       Rename "$INSTDIR\install.tmp" "$INSTDIR\install.log"

       Delete "$PLUGINSDIR\download.exe"

       Delete "$PLUGINSDIR\${CONFIG_INI}"

       System::Call "kernel32::GetTickCount()l .s"

       Pop $EndInstallPhaseTickCount

       System::Int64Op $InstallStepSize * ${InstallProgressFinishStep}

       Pop $InstallStepSize

       SendMessage $Progressbar ${PBM_SETSTEP} $InstallStepSize 0

       ${NSD_CreateTimer} FinishInstall ${InstallIntervalMS}

     ${EndUnless}

   ${EndIf}

 FunctionEnd

 Function FinishInstall

   ; The full installer has completed but the progress bar still needs to finish

   ; so increase the size of the step.

   IntOp $InstallCounterStep $InstallCounterStep + ${InstallProgressFinishStep}

   ${If} $InstallTotalSteps < $InstallCounterStep

     StrCpy $InstallCounterStep "$InstallTotalSteps"

   ${EndIf}

   ${If} $InstallTotalSteps != $InstallCounterStep

     SendMessage $Progressbar ${PBM_STEPIT} 0 0

     Return

   ${EndIf}

   ${NSD_KillTimer} FinishInstall

   SendMessage $Progressbar ${PBM_GETRANGE} 0 0 $R9

   SendMessage $Progressbar ${PBM_SETPOS} $R9 0

   ${If} "$CheckboxSetAsDefault" == "1"

     ${GetParameters} $0

     ClearErrors

     ${GetOptions} "$0" "/UAC:" $0

     ${If} ${Errors} ; Not elevated

       Call ExecSetAsDefaultAppUser

     ${Else} ; Elevated - execute the function in the unelevated process

       GetFunctionAddress $0 ExecSetAsDefaultAppUser

       UAC::ExecCodeSegment $0

     ${EndIf}

   ${EndIf}

   ${If} $CheckboxShortcutOnBar == 1

     ${If} ${AtMostWinVista}

       ClearErrors

       ${GetParameters} $0

       ClearErrors

       ${GetOptions} "$0" "/UAC:" $0

       ${If} ${Errors}

         Call AddQuickLaunchShortcut

       ${Else}

         GetFunctionAddress $0 AddQuickLaunchShortcut

         UAC::ExecCodeSegment $0

       ${EndIf}

     ${EndIf}

   ${EndIf}

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}.moz-upgrade"

     Delete "$INSTDIR\${FileMainEXE}"

     Rename "$INSTDIR\${FileMainEXE}.moz-upgrade" "$INSTDIR\${FileMainEXE}"

   ${EndIf}

   StrCpy $ExitCode "${ERR_SUCCESS}"

   StrCpy $InstallCounterStep 0

   ${NSD_CreateTimer} FinishProgressBar ${InstallIntervalMS}

 FunctionEnd

 Function FinishProgressBar

   IntOp $InstallCounterStep $InstallCounterStep + 1

   ${If} $InstallCounterStep < 10

     Return

   ${EndIf}

   ${NSD_KillTimer} FinishProgressBar

   Call LaunchApp

   Call SendPing

 FunctionEnd

 Function OnBack

   StrCpy $WasOptionsButtonClicked "1"

   StrCpy $R9 "1" ; Goto the next page

   Call RelativeGotoPage

   ; The call to Abort prevents NSIS from trying to move to the previous or the

   ; next page.

   Abort

 FunctionEnd

 Function RelativeGotoPage

   IntCmp $R9 0 0 Move Move

   StrCmp $R9 "X" 0 Move

   StrCpy $R9 "120"

   Move:

   SendMessage $HWNDPARENT "0x408" "$R9" ""

 FunctionEnd

 Function UpdateFreeSpaceLabel

   ; Only update when $ExistingTopDir isn't set

   ${If} "$ExistingTopDir" != ""

     StrLen $5 "$ExistingTopDir"

     StrLen $6 "$INSTDIR"

     ${If} $5 <= $6

       StrCpy $7 "$INSTDIR" $5

       ${If} "$7" == "$ExistingTopDir"

         Return

       ${EndIf}

     ${EndIf}

   ${EndIf}

   Call CheckSpace

   StrCpy $0 "$SpaceAvailableBytes"

   StrCpy $1 "$(BYTE)"

   ${If} $0 > 1024

   ${OrIf} $0 < 0

     ; Multiply by 10 so it is possible to display a decimal in the size

     System::Int64Op $0 * 10

     Pop $0

     System::Int64Op $0 / 1024

     Pop $0

     StrCpy $1 "$(KILO)$(BYTE)"

     ${If} $0 > 10240

     ${OrIf} $0 < 0

       System::Int64Op $0 / 1024

       Pop $0

       StrCpy $1 "$(MEGA)$(BYTE)"

       ${If} $0 > 10240

       ${OrIf} $0 < 0

         System::Int64Op $0 / 1024

         Pop $0

         StrCpy $1 "$(GIGA)$(BYTE)"

       ${EndIf}

     ${EndIf}

     StrLen $3 "$0"

     ${If} $3 > 1

       StrCpy $2 "$0" -1 ; All characters except the last one

       StrCpy $0 "$0" "" -1 ; The last character

       ${If} "$0" == "0"

         StrCpy $0 "$2" ; Don't display the decimal if it is 0

       ${Else}

         StrCpy $0 "$2.$0"

       ${EndIf}

     ${ElseIf} $3 == 1

       StrCpy $0 "0.$0"

     ${Else}

       ; This should never happen

       System::Int64Op $0 / 10

       Pop $0

     ${EndIf}

   ${EndIf}

   SendMessage $LabelFreeSpace ${WM_SETTEXT} 0 "STR:$0 $1"

 FunctionEnd

 Function OnChange_DirRequest

   Pop $0

   System::Call 'user32::GetWindowTextW(i $DirRequest, w .r0, i ${NSIS_MAX_STRLEN})'

   StrCpy $1 "$0" 1 ; the first character

   ${If} "$1" == "$\""

     StrCpy $1 "$0" "" -1 ; the last character

     ${If} "$1" == "$\""

       StrCpy $0 "$0" "" 1 ; all but the first character

       StrCpy $0 "$0" -1 ; all but the last character

     ${EndIf}

   ${EndIf}

   StrCpy $INSTDIR "$0"

   Call UpdateFreeSpaceLabel

   GetDlgItem $0 $HWNDPARENT 1 ; Install button

   ${If} ${FileExists} "$INSTDIR\${FileMainEXE}"

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(UPGRADE_BUTTON)"

   ${Else}

     SendMessage $0 ${WM_SETTEXT} 0 "STR:$(INSTALL_BUTTON)"

   ${EndIf}

 FunctionEnd

 Function OnClick_ButtonBrowse

   StrCpy $0 "$INSTDIR"

   nsDialogs::SelectFolderDialog /NOUNLOAD "$(SELECT_FOLDER_TEXT)" $0

   Pop $0

   ${If} $0 == "error" ; returns 'error' if 'cancel' was pressed?

     Return

   ${EndIf}

   ${If} $0 != ""

     StrCpy $INSTDIR "$0"

     System::Call 'user32::SetWindowTextW(i $DirRequest, w "$INSTDIR")'

   ${EndIf}

 FunctionEnd

 Function CheckSpace

   ${If} "$ExistingTopDir" != ""

     StrLen $0 "$ExistingTopDir"

     StrLen $1 "$INSTDIR"

     ${If} $0 <= $1

       StrCpy $2 "$INSTDIR" $3

       ${If} "$2" == "$ExistingTopDir"

         Return

       ${EndIf}

     ${EndIf}

   ${EndIf}

   StrCpy $ExistingTopDir "$INSTDIR"

   ${DoUntil} ${FileExists} "$ExistingTopDir"

     ${GetParent} "$ExistingTopDir" $ExistingTopDir

     ${If} "$ExistingTopDir" == ""

       StrCpy $SpaceAvailableBytes "0"

       StrCpy $HasRequiredSpaceAvailable "false"

       Return

     ${EndIf}

   ${Loop}

   ${GetLongPath} "$ExistingTopDir" $ExistingTopDir

   ; GetDiskFreeSpaceExW requires a backslash.

   StrCpy $0 "$ExistingTopDir" "" -1 ; the last character

   ${If} "$0" != "\"

     StrCpy $0 "\"

   ${Else}

     StrCpy $0 ""

   ${EndIf}

   System::Call 'kernel32::GetDiskFreeSpaceExW(w, *l, *l, *l) i("$ExistingTopDir$0", .r1, .r2, .r3) .'

   StrCpy $SpaceAvailableBytes "$1"

   System::Int64Op $SpaceAvailableBytes / 1048576

   Pop $1

   System::Int64Op $1 > ${APPROXIMATE_REQUIRED_SPACE_MB}

   Pop $1

   ${If} $1 == 1

     StrCpy $HasRequiredSpaceAvailable "true"

   ${Else}

     StrCpy $HasRequiredSpaceAvailable "false"

   ${EndIf}

 FunctionEnd

 Function CanWrite

   StrCpy $CanWriteToInstallDir "false"

   StrCpy $0 "$INSTDIR"

   ; Use the existing directory when it exists

   ${Unless} ${FileExists} "$INSTDIR"

     ; Get the topmost directory that exists for new installs

     ${DoUntil} ${FileExists} "$0"

       ${GetParent} "$0" $0

       ${If} "$0" == ""

         Return

       ${EndIf}

     ${Loop}

   ${EndUnless}

   GetTempFileName $2 "$0"

   Delete $2

   CreateDirectory "$2"

   ${If} ${FileExists} "$2"

     ${If} ${FileExists} "$INSTDIR"

       GetTempFileName $3 "$INSTDIR"

     ${Else}

       GetTempFileName $3 "$2"

     ${EndIf}

     ${If} ${FileExists} "$3"

       Delete "$3"

       StrCpy $CanWriteToInstallDir "true"

     ${EndIf}

     RmDir "$2"

   ${EndIf}

 FunctionEnd

 Function AddQuickLaunchShortcut

   CreateShortCut "$QUICKLAUNCH\${BrandFullName}.lnk" "$INSTDIR\${FileMainEXE}"

   ${If} ${FileExists} "$QUICKLAUNCH\${BrandFullName}.lnk"

     ShellLink::SetShortCutWorkingDirectory "$QUICKLAUNCH\${BrandFullName}.lnk" \

                                            "$INSTDIR"

   ${EndIf}

 FunctionEnd

 Function ExecSetAsDefaultAppUser

   ; Using the helper.exe lessens the stub installer size.

   ; This could ask for elevatation when the user doesn't install as admin.

   Exec "$\"$INSTDIR\uninstall\helper.exe$\" /SetAsDefaultAppUser"

 FunctionEnd

 Function LaunchApp

   FindWindow $0 "${WindowClass}"

   ${If} $0 <> 0 ; integer comparison

     StrCpy $FirefoxLaunchCode "1"

     MessageBox MB_OK|MB_ICONQUESTION "$(WARN_MANUALLY_CLOSE_APP_LAUNCH)"

     Return

   ${EndIf}

   StrCpy $FirefoxLaunchCode "2"

   ; Set the current working directory to the installation directory

   SetOutPath "$INSTDIR"

   ClearErrors

   ${GetParameters} $0

   ${GetOptions} "$0" "/UAC:" $1

   ${If} ${Errors}

     Exec "$\"$INSTDIR\${FileMainEXE}$\""

   ${Else}

     GetFunctionAddress $0 LaunchAppFromElevatedProcess

     UAC::ExecCodeSegment $0

   ${EndIf}

 FunctionEnd

 Function LaunchAppFromElevatedProcess

   ; Find the installation directory when launching using GetFunctionAddress

   ; from an elevated installer since $INSTDIR will not be set in this installer

   ${StrFilter} "${FileMainEXE}" "+" "" "" $R9

   ReadRegStr $0 HKLM "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""

   ${GetPathFromString} "$0" $0

   ; Set the current working directory to the installation directory

   ${GetParent} "$0" $1

   SetOutPath "$1"

   Exec "$\"$0$\""

 FunctionEnd

 Function DisplayDownloadError

   ${NSD_KillTimer} DisplayDownloadError

   MessageBox MB_OKCANCEL|MB_ICONSTOP "$(ERROR_DOWNLOAD)" IDCANCEL +2 IDOK +1

   StrCpy $OpenedDownloadPage "1" ; Already initialized to 0

   ${If} "$OpenedDownloadPage" == "1"

     ClearErrors

     ${GetParameters} $0

     ${GetOptions} "$0" "/UAC:" $1

     ${If} ${Errors}

       Call OpenManualDownloadURL

     ${Else}

       GetFunctionAddress $0 OpenManualDownloadURL

       UAC::ExecCodeSegment $0

     ${EndIf}

   ${EndIf}

   Call SendPing

 FunctionEnd

 Function OpenManualDownloadURL

   ExecShell "open" "${URLManualDownload}${URLManualDownloadAppend}"

 FunctionEnd

 Section

 SectionEnd