;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright (C) 2009 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
;               2010-2011 Peter de Ridder <peter(at)xfce(dot)org>
;
; This library is free software; you can redistribute it and/or
; modify it under the terms of the GNU Lesser General Public
; License as published by the Free Software Foundation; either
; version 2.1 of the License, or (at your option) any later version.
;
; See the file COPYING for the full license text.
;
; Installer script for Midori (Windows Installer)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;


; Do a Cyclic Redundancy Check to make sure the installer was not corrupted by the download
CRCCheck force
RequestExecutionLevel admin ; set execution level for Windows Vista

;;;;;;;;;;;;;;;;;;;
; helper defines  ;
;;;;;;;;;;;;;;;;;;;
!define PRODUCT_NAME "Midori"
!define PRODUCT_VERSION "0.5.11"
!define PRODUCT_BUILD "0"
!define PRODUCT_VERSION_ID "${PRODUCT_VERSION}.${PRODUCT_BUILD}"
!define PRODUCT_PUBLISHER "Christian Dywan"
!define PRODUCT_WEB_SITE "http://www.midori-browser.org"
!define PRODUCT_DIR_REGKEY "Software\${PRODUCT_NAME}"
!define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
!define PRODUCT_BROWER_KEY "Software\Clients\StartMenuInternet"
!define PRODUCT_EXE "$INSTDIR\bin\midori.exe"
!define UNINSTALL_EXE "$INSTDIR\uninst.exe"
!define RESOURCEDIR "midori-${PRODUCT_VERSION}"
!define ICON_THEME "Faenza"

;;;;;;;;;;;;;;;;;;;;;
; Version resource  ;
;;;;;;;;;;;;;;;;;;;;;
VIProductVersion "${PRODUCT_VERSION_ID}"
VIAddVersionKey "ProductName" "${PRODUCT_NAME}"
VIAddVersionKey "FileVersion" "${PRODUCT_VERSION}"
VIAddVersionKey "ProductVersion" "${PRODUCT_VERSION}"
VIAddVersionKey "LegalCopyright" "Copyright 2009-2012 by Christian Dywan"
VIAddVersionKey "FileDescription" "${PRODUCT_NAME} Installer"

BrandingText "$(^NAME) installer (NSIS ${NSIS_VERSION})"
InstallDir "$PROGRAMFILES\${PRODUCT_NAME}"
Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
SetCompressor /SOLID lzma
ShowInstDetails hide
ShowUnInstDetails hide
XPStyle on
OutFile "${PRODUCT_NAME}-${PRODUCT_VERSION}_setup.exe"

Var Answer
Var UserName
Var StartmenuFolder
Var UNINSTDIR
Var DefaultBrowser

;;;;;;;;;;;;;;;;
; MUI Settings ;
;;;;;;;;;;;;;;;;
!include "MUI2.nsh"

!define MUI_ABORTWARNING
!define MUI_ICON "midori.ico"
!define MUI_UNICON "${NSISDIR}\Contrib\Graphics\Icons\modern-uninstall-full.ico"

; Welcome page
!insertmacro MUI_PAGE_WELCOME
; License page
;!define MUI_LICENSEPAGE_RADIOBUTTONS
!insertmacro MUI_PAGE_LICENSE "${RESOURCEDIR}\COPYING"
; Components page
!insertmacro MUI_PAGE_COMPONENTS
; Directory page
!define MUI_PAGE_CUSTOMFUNCTION_LEAVE OnDirLeave
!insertmacro MUI_PAGE_DIRECTORY
; Start menu page
!define MUI_STARTMENUPAGE_DEFAULTFOLDER "Midori"
!define MUI_STARTMENUPAGE_REGISTRY_ROOT HKLM
!define MUI_STARTMENUPAGE_REGISTRY_KEY "${PRODUCT_UNINST_KEY}"
!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "Start Menu Folder"
!insertmacro MUI_PAGE_STARTMENU ${PRODUCT_NAME} "$StartmenuFolder"
; Instfiles page
!insertmacro MUI_PAGE_INSTFILES
; Finish page
!define MUI_FINISHPAGE_RUN "${PRODUCT_EXE}"
!define MUI_FINISHPAGE_RUN_NOTCHECKED
!define MUI_FINISHPAGE_NOREBOOTSUPPORT
!insertmacro MUI_PAGE_FINISH

; Uninstaller page
!insertmacro MUI_UNPAGE_CONFIRM 
!insertmacro MUI_UNPAGE_INSTFILES 
!insertmacro MUI_UNPAGE_FINISH 

; Language file
!insertmacro MUI_LANGUAGE "English" 

;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Sections and InstTypes  ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;
InstType "Full"
InstType "Minimal"

Section "!Program Files" SEC01
	SectionIn RO 1 2
	SetOverwrite ifnewer

	SetOutPath "$INSTDIR"
	File "${RESOURCEDIR}\*"

	SetOutPath "$INSTDIR\bin"
	File /r "${RESOURCEDIR}\bin\*"

	SetOutPath "$INSTDIR\etc"
	File /r "${RESOURCEDIR}\etc\*"

	SetOutPath "$INSTDIR\lib"
	File /r /x "midori" "${RESOURCEDIR}\lib\*"

	SetOutPath "$INSTDIR\share"
	File /r /x "locale" /x "user" /x "${ICON_THEME}" "${RESOURCEDIR}\share\*"

	SetOutPath "$INSTDIR\share\icons\${ICON_THEME}"
	File "${RESOURCEDIR}\share\icons\${ICON_THEME}\index.theme"

	SetOutPath "$INSTDIR"
	CreateShortCut "$INSTDIR\Midori.lnk" "${PRODUCT_EXE}"

	!insertmacro MUI_STARTMENU_WRITE_BEGIN ${PRODUCT_NAME}
	CreateDirectory "$SMPROGRAMS\$StartmenuFolder"
	CreateShortCut "$SMPROGRAMS\$StartmenuFolder\Midori.lnk" "${PRODUCT_EXE}"
	!insertmacro MUI_STARTMENU_WRITE_END

!macro InstallIconTheme ICat IName
	File "/oname=${ICat}\16\${IName}.png" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\16\${IName}.png"
	File "/oname=${Icat}\22\${IName}.png" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\22\${IName}.png"
	File "/oname=${Icat}\24\${IName}.png" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\24\${IName}.png"
	File /nonfatal "/oname=${ICat}\32\${IName}.png" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\32\${IName}.png"
	File /nonfatal "/oname=${ICat}\48\${IName}.png" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\48\${IName}.png"
	File /nonfatal "/oname=${ICat}\scalable\${IName}.svg" "${RESOURCEDIR}\share\icons\${ICON_THEME}\${ICat}\scalable\${IName}.svg"
!macroend

!macro CreateIconThemeSectionsSmall SectionPath
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\16"
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\22"
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\24"
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\32"
!macroend

!macro CreateIconThemeSections SectionPath
	!insertmacro CreateIconThemeSectionsSmall ${SectionPath}
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\48"
	CreateDirectory "$INSTDIR\share\icons\${ICON_THEME}\${SectionPath}\scalable"
!macroend

	SetOutPath "$INSTDIR\share\icons\${ICON_THEME}"

	!insertmacro CreateIconThemeSections "actions"
	#!insertmacro CreateIconThemeSectionsSmall "animations"
	!insertmacro CreateIconThemeSections "apps"
	!insertmacro CreateIconThemeSections "categories"
	!insertmacro CreateIconThemeSections "devices"
	!insertmacro CreateIconThemeSections "mimetypes"
	!insertmacro CreateIconThemeSections "places"
	!insertmacro CreateIconThemeSections "status"

	!insertmacro InstallIconTheme "actions" "bookmark-new"
	!insertmacro InstallIconTheme "actions" "document-open"
	!insertmacro InstallIconTheme "actions" "document-open-recent"
	!insertmacro InstallIconTheme "actions" "document-print"
	!insertmacro InstallIconTheme "actions" "document-properties"
	!insertmacro InstallIconTheme "actions" "document-save-as"
	!insertmacro InstallIconTheme "actions" "document-save"
	!insertmacro InstallIconTheme "actions" "edit-clear"
	!insertmacro InstallIconTheme "actions" "edit-copy"
	!insertmacro InstallIconTheme "actions" "edit-cut"
	!insertmacro InstallIconTheme "actions" "edit-delete"
	!insertmacro InstallIconTheme "actions" "edit-find"
	!insertmacro InstallIconTheme "actions" "edit-paste"
	!insertmacro InstallIconTheme "actions" "edit-redo"
	!insertmacro InstallIconTheme "actions" "edit-select-all"
	!insertmacro InstallIconTheme "actions" "edit-undo"
	!insertmacro InstallIconTheme "actions" "folder-new"
	!insertmacro InstallIconTheme "actions" "format-indent-more"
	!insertmacro InstallIconTheme "actions" "go-down"
	!insertmacro InstallIconTheme "actions" "go-home"
	!insertmacro InstallIconTheme "actions" "go-jump"
	!insertmacro InstallIconTheme "actions" "go-next"
	!insertmacro InstallIconTheme "actions" "go-previous"
	!insertmacro InstallIconTheme "actions" "go-up"
	!insertmacro InstallIconTheme "actions" "gtk-cancel"
	!insertmacro InstallIconTheme "actions" "gtk-edit"
	!insertmacro InstallIconTheme "actions" "gtk-no"
	!insertmacro InstallIconTheme "actions" "gtk-ok"
	!insertmacro InstallIconTheme "actions" "gtk-save"
	!insertmacro InstallIconTheme "actions" "gtk-yes"
	!insertmacro InstallIconTheme "actions" "help-about"
	!insertmacro InstallIconTheme "actions" "help-contents"
	!insertmacro InstallIconTheme "actions" "list-add"
	!insertmacro InstallIconTheme "actions" "list-remove"
	!insertmacro InstallIconTheme "actions" "media-skip-backward"
	!insertmacro InstallIconTheme "actions" "media-skip-forward"
	!insertmacro InstallIconTheme "actions" "process-stop"
	!insertmacro InstallIconTheme "actions" "stop"
	!insertmacro InstallIconTheme "actions" "tab-new"
	!insertmacro InstallIconTheme "actions" "tools-check-spelling"
	!insertmacro InstallIconTheme "actions" "view-fullscreen"
	!insertmacro InstallIconTheme "actions" "view-refresh"
	!insertmacro InstallIconTheme "actions" "window-close"
	!insertmacro InstallIconTheme "actions" "window-new"
	!insertmacro InstallIconTheme "actions" "zoom-in"
	!insertmacro InstallIconTheme "actions" "zoom-out"

	#!insertmacro InstallIconThemeSmall "animations" "process-working"

	!insertmacro InstallIconTheme "apps" "internet-news-reader"
	!insertmacro InstallIconTheme "apps" "midori"
	!insertmacro InstallIconTheme "apps" "preferences-desktop-theme"
	!insertmacro InstallIconTheme "apps" "web-browser"

	!insertmacro InstallIconTheme "categories" "gtk-preferences"

	!insertmacro InstallIconTheme "devices" "drive-harddisk"
	!insertmacro InstallIconTheme "devices" "media-optical-dvd-rom"

	!insertmacro InstallIconTheme "mimetypes" "application-x-shockwave-flash"
	!insertmacro InstallIconTheme "mimetypes" "extension"
	!insertmacro InstallIconTheme "mimetypes" "gtk-file"
	!insertmacro InstallIconTheme "mimetypes" "image-x-generic"
	!insertmacro InstallIconTheme "mimetypes" "package"
	!insertmacro InstallIconTheme "mimetypes" "text-html"
	!insertmacro InstallIconTheme "mimetypes" "text-x-generic"
	!insertmacro InstallIconTheme "mimetypes" "text-x-javascript"

	!insertmacro InstallIconTheme "places" "folder-documents"
	!insertmacro InstallIconTheme "places" "folder-downloads"
	!insertmacro InstallIconTheme "places" "folder-music"
	!insertmacro InstallIconTheme "places" "folder-pictures"
	!insertmacro InstallIconTheme "places" "folder"
	!insertmacro InstallIconTheme "places" "folder-videos"
	!insertmacro InstallIconTheme "places" "inode-directory"
	!insertmacro InstallIconTheme "places" "user-bookmarks"
	!insertmacro InstallIconTheme "places" "user-desktop"
	!insertmacro InstallIconTheme "places" "user-home"
	!insertmacro InstallIconTheme "places" "user-trash"

	!insertmacro InstallIconTheme "status" "dialog-password"
	!insertmacro InstallIconTheme "status" "gtk-dialog-error"
	!insertmacro InstallIconTheme "status" "gtk-dialog-info"
	!insertmacro InstallIconTheme "status" "gtk-dialog-warning"
	!insertmacro InstallIconTheme "status" "locked"
	!insertmacro InstallIconTheme "status" "network-error"
	!insertmacro InstallIconTheme "status" "network-idle"

SectionEnd

Section "Extensions" SEC04
	SectionIn 1
	SetOverwrite ifnewer
	SetOutPath "$INSTDIR\lib"
	File /r "${RESOURCEDIR}\lib\midori"
SectionEnd

Section "Language Files" SEC02
	SectionIn 1
	SetOutPath "$INSTDIR\share"
	File /r "${RESOURCEDIR}\share\locale"
SectionEnd


Section "Desktop Shortcuts" SEC03
	SectionIn 1
	# CreateShortCut implicitly sets content of OUTDIR as working directory for shortcut, set it to bin
	SetOutPath "$INSTDIR\bin"
	CreateShortCut "$DESKTOP\Midori.lnk" "${PRODUCT_EXE}"
	CreateShortCut "$QUICKLAUNCH\Midori.lnk" "${PRODUCT_EXE}"
SectionEnd

Section "Default Browser" SEC05
	SectionIn 1
	StrCpy $DefaultBrowser "yes"
SectionEnd

Section -AdditionalIcons
	SetOutPath $INSTDIR
	!insertmacro MUI_STARTMENU_WRITE_BEGIN ${PRODUCT_NAME}
	WriteIniStr "$INSTDIR\Website.url" "InternetShortcut" "URL" "${PRODUCT_WEB_SITE}"
	CreateShortCut "$SMPROGRAMS\$StartmenuFolder\Website.lnk" "${PRODUCT_EXE}" \
		"${PRODUCT_WEB_SITE}" "${PRODUCT_EXE}"
	CreateShortCut "$SMPROGRAMS\$StartmenuFolder\Uninstall.lnk" "${UNINSTALL_EXE}"
	CreateShortCut "$SMPROGRAMS\$StartmenuFolder\Make Default.lnk" "${UNINSTALL_EXE}" \
		"/S /MAKEDEFAULT" "${PRODUCT_EXE}"
	!insertmacro MUI_STARTMENU_WRITE_END
SectionEnd

Section -Post
	WriteUninstaller "${UNINSTALL_EXE}"
	WriteRegStr SHCTX "${PRODUCT_DIR_REGKEY}" Path "$INSTDIR"
	WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "StartMenu" "$SMPROGRAMS\$StartmenuFolder"
	${if} $Answer == "yes" ; if user is admin
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "DisplayName" "$(^Name)"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "UninstallString" "${UNINSTALL_EXE}"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "DisplayIcon" "${PRODUCT_EXE}"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "DisplayVersion" "${PRODUCT_VERSION}"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "URLInfoAbout" "${PRODUCT_WEB_SITE}"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "URLUpdateInfo" "${PRODUCT_WEB_SITE}"
		WriteRegStr SHCTX "${PRODUCT_UNINST_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
		WriteRegDWORD SHCTX "${PRODUCT_UNINST_KEY}" "NoModify" 0x00000001
		WriteRegDWORD SHCTX "${PRODUCT_UNINST_KEY}" "NoRepair" 0x00000001

		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE" "" "${PRODUCT_NAME}"
		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\DefaultIcon" "" "${PRODUCT_EXE},0"
		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\shell\open\command" "" "${PRODUCT_EXE}"
		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "HideIconsCommand" '"${UNINSTALL_EXE}" /S /HIDE'
		WriteRegDWORD HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "IconsVisible" 0x00000000
		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "ReinstallCommand" '"${UNINSTALL_EXE}" /S /MAKEDEFAULT'
		WriteRegStr HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "ShowIconsCommand" '"${UNINSTALL_EXE}" /S /SHOW'
	${endif}

	${if} $DefaultBrowser == "yes"
		${if} $Answer == "yes" ; if user is admin
			WriteRegDWORD HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "IconsVisible" 0x00000001
		${endif}
		WriteRegStr HKCU "${PRODUCT_BROWER_KEY}" "" "MIDORI.EXE"
		WriteRegStr HKCR "http\DefaultIcon" "" "${PRODUCT_EXE},0"
		WriteRegStr HKCR "http\shell\open\command" "" '${PRODUCT_EXE} "%1"'
		WriteRegStr HKCR "https\DefaultIcon" "" "${PRODUCT_EXE},0"
		WriteRegStr HKCR "https\shell\open\command" "" '${PRODUCT_EXE} "%1"'
	${endif}
SectionEnd

Section Uninstall
	Delete "$INSTDIR\Website.url"
	Delete "${UNINSTALL_EXE}"
	Delete "$INSTDIR\COPYING"
	Delete "$INSTDIR\AUTHORS"
	Delete "$INSTDIR\Midori.lnk"

	; delete start menu entry
	ReadRegStr $0 SHCTX "${PRODUCT_UNINST_KEY}" "StartMenu"
	RMDir /r "$0"

	Delete "$QUICKLAUNCH\Midori.lnk"
	Delete "$DESKTOP\Midori.lnk"

	RMDir /r "$INSTDIR\bin"
	RMDir /r "$INSTDIR\etc"
	RMDir /r "$INSTDIR\lib"
	RMDir /r "$INSTDIR\share"
	RMDir "$INSTDIR"

	DeleteRegKey SHCTX "${PRODUCT_UNINST_KEY}"
	DeleteRegKey HKCU "${PRODUCT_UNINST_KEY}"
	DeleteRegKey SHCTX "${PRODUCT_DIR_REGKEY}"
	DeleteRegKey HKCU "${PRODUCT_DIR_REGKEY}"
	DeleteRegKey HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE"

	SetAutoClose true
SectionEnd

;;;;;;;;;;;;;;;;;;;;;;;;;
; Section descriptions  ;
;;;;;;;;;;;;;;;;;;;;;;;;;
!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
!insertmacro MUI_DESCRIPTION_TEXT ${SEC01} "Required program files. You cannot skip these files."
!insertmacro MUI_DESCRIPTION_TEXT ${SEC02} "Various translations of Midori's interface."
!insertmacro MUI_DESCRIPTION_TEXT ${SEC03} "Create shortcuts for Midori on the desktop and in the Quicklaunch Bar"
!insertmacro MUI_DESCRIPTION_TEXT ${SEC04} "Available plugins like 'Advertisement Blocker', 'Form history filler' and 'Mouse Gestures'."
!insertmacro MUI_DESCRIPTION_TEXT ${SEC05} "Make Midori the default browser."
!insertmacro MUI_FUNCTION_DESCRIPTION_END

;;;;;;;;;;;;;;;;;;;;;
; helper functions  ;
;;;;;;;;;;;;;;;;;;;;;

; (from http://jabref.svn.sourceforge.net/viewvc/jabref/trunk/jabref/src/windows/nsis/setup.nsi)
!macro IsUserAdmin Result UName
	ClearErrors
	UserInfo::GetName
	IfErrors Win9x
	Pop $0
	StrCpy ${UName} $0
	UserInfo::GetAccountType
	Pop $1
	${if} $1 == "Admin"
		StrCpy ${Result} "yes"
	${else}
		StrCpy ${Result} "no"
	${endif}
	Goto done

Win9x:
	StrCpy ${Result} "yes"
done:
!macroend

; (from http://nsis.sourceforge.net/GetOptions)
Function un.GetOptions
	!define GetOptions `!insertmacro GetOptionsCall`
 
	!macro GetOptionsCall _PARAMETERS _OPTION _RESULT
		Push `${_PARAMETERS}`
		Push `${_OPTION}`
		Call un.GetOptions
		Pop ${_RESULT}
	!macroend
 
	Exch $1
	Exch
	Exch $0
	Exch
	Push $2
	Push $3
	Push $4
	Push $5
	Push $6
	Push $7
	ClearErrors
 
	StrCpy $2 $1 '' 1
	StrCpy $1 $1 1
	StrLen $3 $2
	StrCpy $7 0
 
	begin:
	StrCpy $4 -1
	StrCpy $6 ''
 
	quote:
	IntOp $4 $4 + 1
	StrCpy $5 $0 1 $4
	StrCmp $5$7 '0' notfound
	StrCmp $5 '' trimright
	StrCmp $5 '"' 0 +7
	StrCmp $6 '' 0 +3
	StrCpy $6 '"'
	goto quote
	StrCmp $6 '"' 0 +3
	StrCpy $6 ''
	goto quote
	StrCmp $5 `'` 0 +7
	StrCmp $6 `` 0 +3
	StrCpy $6 `'`
	goto quote
	StrCmp $6 `'` 0 +3
	StrCpy $6 ``
	goto quote
	StrCmp $5 '`' 0 +7
	StrCmp $6 '' 0 +3
	StrCpy $6 '`'
	goto quote
	StrCmp $6 '`' 0 +3
	StrCpy $6 ''
	goto quote
	StrCmp $6 '"' quote
	StrCmp $6 `'` quote
	StrCmp $6 '`' quote
	StrCmp $5 $1 0 quote
	StrCmp $7 0 trimleft trimright
 
	trimleft:
	IntOp $4 $4 + 1
	StrCpy $5 $0 $3 $4
	StrCmp $5 '' notfound
	StrCmp $5 $2 0 quote
	IntOp $4 $4 + $3
	StrCpy $0 $0 '' $4
	StrCpy $4 $0 1
	StrCmp $4 ' ' 0 +3
	StrCpy $0 $0 '' 1
	goto -3
	StrCpy $7 1
	goto begin
 
	trimright:
	StrCpy $0 $0 $4
	StrCpy $4 $0 1 -1
	StrCmp $4 ' ' 0 +3
	StrCpy $0 $0 -1
	goto -3
	StrCpy $3 $0 1
	StrCpy $4 $0 1 -1
	StrCmp $3 $4 0 end
	StrCmp $3 '"' +3
	StrCmp $3 `'` +2
	StrCmp $3 '`' 0 end
	StrCpy $0 $0 -1 1
	goto end
 
	notfound:
	SetErrors
	StrCpy $0 ''
 
	end:
	Pop $7
	Pop $6
	Pop $5
	Pop $4
	Pop $3
	Pop $2
	Pop $1
	Exch $0
FunctionEnd

Function .onInit
	StrCpy "$StartmenuFolder" "Midori"

	; (from http://jabref.svn.sourceforge.net/viewvc/jabref/trunk/jabref/src/windows/nsis/setup.nsi)
	; If the user does *not* have administrator privileges, abort
	StrCpy $Answer ""
	StrCpy $UserName ""
	!insertmacro IsUserAdmin $Answer $UserName ; macro from LyXUtils.nsh
	${if} $Answer == "yes"
		SetShellVarContext all ; set that e.g. shortcuts will be created for all users
	${else}
               MessageBox mb_iconstop "Administrator rights required - use the portable release if that's not possible"
               SetErrorLevel 740 ;ERROR_ELEVATION_REQUIRED
               Quit
	${endif}

	; prevent running multiple instances of the installer
	System::Call 'kernel32::CreateMutexA(i 0, i 0, t "midori_installer") i .r1 ?e'
	Pop $R0
	StrCmp $R0 0 +3
	MessageBox MB_OK|MB_ICONEXCLAMATION "The installer is already running." /SD IDOK
	Abort
	; warn about a new install over an existing installation
	ReadRegStr $R0 SHCTX "${PRODUCT_UNINST_KEY}" "UninstallString"
	StrCmp $R0 "" finish

	MessageBox MB_YESNO|MB_ICONEXCLAMATION \
	"Midori has already been installed. $\nDo you want to remove the previous version before installing $(^Name) ?" \
		/SD IDYES IDYES remove IDNO finish

remove:
	; run the uninstaller
	ClearErrors
	; we read the installation path of the old installation from the Registry
	ReadRegStr $UNINSTDIR SHCTX "${PRODUCT_DIR_REGKEY}" "Path"
	IfSilent dosilent nonsilent
dosilent:
	ExecWait '$R0 /S _?=$UNINSTDIR' ;Do not copy the uninstaller to a temp file
	Goto finish
nonsilent:
	ExecWait '$R0 _?=$UNINSTDIR' ;Do not copy the uninstaller to a temp file
finish:
FunctionEnd

Function un.onInit
	StrCpy $Answer ""
	!insertmacro IsUserAdmin $Answer $UserName
	${if} $Answer == "yes"
		SetShellVarContext all
	${else}
		SetShellVarContext current
	${endif}

	${GetOptions} "$CMDLINE" "/MAKEDEFAULT" $0
	IfErrors 0 +2
	goto makedefault_next

	WriteRegStr HKCU "${PRODUCT_BROWER_KEY}" "" "MIDORI.EXE"
	WriteRegStr HKCR "http\DefaultIcon" "" "${PRODUCT_EXE},0"
	WriteRegStr HKCR "http\shell\open\command" "" '${PRODUCT_EXE} "%1"'
	WriteRegStr HKCR "https\DefaultIcon" "" "${PRODUCT_EXE},0"
	WriteRegStr HKCR "https\shell\open\command" "" '${PRODUCT_EXE} "%1"'
	Abort
makedefault_next:

	${GetOptions} "$CMDLINE" "/SHOW" $0
	IfErrors 0 +2
	goto show_next

	${if} $Answer == "yes" ; if user is admin
		WriteRegDWORD HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "IconsVisible" 0x00000001
	${endif}
	CreateShortCut "$DESKTOP\Midori.lnk" "${PRODUCT_EXE}"
	CreateShortCut "$QUICKLAUNCH\Midori.lnk" "${PRODUCT_EXE}"
	Abort
show_next:

	${GetOptions} "$CMDLINE" "/HIDE" $0
	IfErrors 0 +2
	goto hide_next

	${if} $Answer == "yes" ; if user is admin
		WriteRegDWORD HKLM "${PRODUCT_BROWER_KEY}\MIDORI.EXE\InstallInfo" "IconsVisible" 0x00000000
	${endif}
	Delete "$QUICKLAUNCH\Midori.lnk"
	Delete "$DESKTOP\Midori.lnk"
	Abort
hide_next:

	; If the user does *not* have administrator privileges, abort
	${if} $Answer != "yes"
		; check if the Midori has been installed with admin permisions
		ReadRegStr $0 HKLM "${PRODUCT_UNINST_KEY}" "Publisher"
		${if} $0 != ""
			MessageBox MB_OK|MB_ICONSTOP "You need administrator privileges to uninstall Midori!" \
				/SD IDOK
			Abort
		${endif}
	${endif}
FunctionEnd

Function OnDirLeave
	ClearErrors
	SetOutPath "$INSTDIR" ; what about IfError creating $INSTDIR?
	GetTempFileName $1 "$INSTDIR" ; creates tmp file (or fails)
	FileOpen $0 "$1" "w" ; error to open?
	FileWriteByte $0 "0"
	IfErrors notPossible possible

notPossible:
	RMDir "$INSTDIR" ; removes folder if empty
	MessageBox MB_OK "The given directory is not writeable. Please choose another one!" /SD IDOK
	Abort
possible:
	FileClose $0
	Delete "$1"
FunctionEnd