# Copyright 1999-20012 Gentoo Foundation
# $Header: $
# This ebuild comes from http://bugs.gentoo.org/show_bug.cgi?id=258244
# Written by rogge
#
# Changelog: 2011-04-13 Current Version: 3.00-r2
#				* add eclass versionator to fix unpack-bug (non-hardcoding) # see comment 15 of bugreport
# 				* fix dependency-bug for 2nd emul-linux-x86-bjdeps (noneffective downgrade) # see comment 17 of bugreport
#				* replaced dependency of non-existing virtual/ghostscript with app-text/ghostscript-gpl # see comment 14 of bugreport
#				* remove dependency of non-existing dev-libs/libxml-1.8; dependency >=dev-libs/libxml2-2.6.0 is to continue # ibidem
#				* change chmod of /usr/lib/cnijlib rspv. /usr/lib32/cnijlib to 755 # ibidem
# Changelog: 2012-04-06 Current Version: 3.00-r4
#				* Switsch to EAPI=4
#				* Add SLOT 3.00
#				* Add Canon-License and GPL-2
#				* Add metadata.xml
#				* Add libpng15.patch and include_cups_ppd_h.patch
#				* tighten code


EAPI=4
inherit eutils flag-o-matic multilib versionator

DESCRIPTION="Canon InkJet Printer Driver for Linux (Pixus/Pixma-Series)."
HOMEPAGE="http://support-sg.canon-asia.com/contents/SG/EN/0100160603.html"
RESTRICT="mirror"

SRC_URI="http://gdlp01.c-wss.com/gds/6/0100001606/01/${PN}-common-${PV}-1.tar.gz"
MY_PV=$(get_version_component_range '1-2')

LICENSE="GPL-2 Canon"

#cnijfilter ROM package set name correctly
REAL_PN="cnijfilter"

SLOT="3.00"
KEYWORDS="~x86 ~amd64"
IUSE="amd64 nocupsdetection servicetools ip1900 ip3600 ip4600 mp190 mp240 mp540 mp630"

# app-emulation/emul-linux-x86-bjdeps-0.1 is available via zugaina-overlay as 0.1-r2,
# otherwise fetch this one -> http://rpm5.org/files/popt/popt-1.13.tar.gz
DEPEND="servicetools? ( !amd64? ( >=sys-devel/automake-1.9.5
								  >=sys-devel/autoconf-2.59 ) )"

RDEPEND="${DEPEND}
		 app-text/ghostscript-gpl
		 >=net-print/cups-1.1.14
	!amd64? ( sys-libs/glibc
			  >=dev-libs/popt-1.6
			  >=media-libs/tiff-3.4
			  >=media-libs/libpng-1.0.9 )
	amd64? ( >=app-emulation/emul-linux-x86-bjdeps-0.1 
			 app-emulation/emul-linux-x86-compat
			 app-emulation/emul-linux-x86-baselibs )
	servicetools? ( !amd64? ( >=gnome-base/libglade-0.6
							  >=dev-libs/libxml2-2.7.3-r2
							  >=x11-libs/gtk+-2.6.0 )
					amd64? ( >=app-emulation/emul-linux-x86-bjdeps-0.1
							 app-emulation/emul-linux-x86-gtklibs ) )"
							  #>=dev-libs/popt-1.4

# Arrays of supported Printers, there IDs and compatible models
_pruse=("ip1900" "ip3600" "ip4600" "mp190" "mp240" "mp540" "mp630")
_prname=(${_pruse[@]})
_prid=("346" "333" "334" "342" "341" "338" "336")
_prcomp=("ip1900series" "ip3600series" "ip4600series" "mp190series" "mp240series" "mp540series" "mp630series")
_max=$((${#_pruse[@]}-1)) # used for iterating through these arrays

###
#   Standard Ebuild-functions
###

pkg_setup() {

	if [ -z "$LINGUAS" ]; then    # -z tests to see if the argument is empty
			ewarn "You didn't specify 'LINGUAS' in your make.conf. Assuming"
			ewarn "english localisation, i.e. 'LINGUAS=\"en\"'."
			LINGUAS="en"
	fi
	
#	use amd64 && export ABI=x86
#	use amd64 && append-flags -L/emul/linux/x86/lib -L/emul/linux/x86/usr/lib -L/usr/lib32
	use amd64 && multilib_toolchain_setup x86
	
	_prefix="/usr/local"
	_datadir="/usr/local/share"
	_bindir="/usr/local/bin"
	_libdir="/usr/$(get_libdir)"
	_cupsdir1="/usr/lib/cups"
	_cupsdir2="/usr/libexec/cups"
	_ppddir="/usr/share/cups/model"

	einfo ""
	einfo " USE-flags       (description / probably compatible printers)"
	einfo ""
	einfo " amd64           (basic support for this architecture - currently without servicetools)"
	einfo " servicetools    (additional monitoring and maintenance software)"
	einfo " nocupsdetection (this is only useful to create binary packages)"
	_autochoose="true"
	for i in `seq 0 ${_max}`; do
		einfo " ${_pruse[$i]}\t${_prcomp[$i]}"
		if (use ${_pruse[$i]}); then
			_autochoose="false"
		fi
	done
	einfo ""
	if (${_autochoose}); then
		ewarn "You didn't specify any driver model (set it's USE-flag)."
		einfo ""
		einfo "As example:\t MP540 support without maintenance tools"
		einfo "\t\t -> USE=\"mp540\""
		einfo ""
		einfo "Sleeping 10 seconds (Press CTRL+C to abort)"
		einfo ""
		echo
		ebeep
		epause 10
	fi
}

src_unpack() {

	PN=${REAL_PN}

	unpack ${A}
	mv "${PN}-common-${MY_PV}" "${P}" # Correcting directory-structure

	einfo "S: ${S}"

	cd "${S}"
#	EPATCH_SOURCE=${FILESDIR} EPATCH_SUFFIX="patch" \
#		EPATCH_FORCE="yes" epatch
	epatch ${FILESDIR}/include_cups_ppd_h.patch || die
	epatch ${FILESDIR}/libpng15.patch || die

}

src_compile() {

	cd "libs"
	./autogen.sh || die "Error: libs/autoconf.sh failed"
	emake

	cd "../backend"
	./autogen.sh --prefix=/usr --enable-progpath=${_bindir} || die "Error: backend/autoconf.sh failed"
	emake

	cd "../pstocanonij"
	./autogen.sh --prefix=/usr --enable-progpath=${_bindir} || die "Error: pstocanonij/autoconf.sh failed"
	emake

	if use servicetools; then
		cd "../cngpij"
		./autogen.sh --prefix=${_prefix} --enable-progpath=${_bindir} || die "Error: cngpij/autoconf.sh failed"
		emake

		cd "../cngpijmon"
		./autogen.sh --datadir=${_datadir} --program-suffix=${_pr} || die "Error: cngpijmon/autoconf.sh failed"
		emake
	fi

	cd ".."
	
	for i in `seq 0 ${_max}`; do
		if use ${_pruse[$i]} || ${_autochoose}; then
			_pr=${_prname[$i]} _prid=${_prid[$i]}
			src_compile_pr;
		fi
	done
}

src_install() {
	mkdir -p ${D}${_bindir}
	mkdir -p ${D}${_libdir}/cups/filter
	mkdir -p ${D}${_ppddir}
	mkdir -p ${D}${_libdir}/cnijlib

	cd "libs"
	emake DESTDIR=${D} install

	cd "../backend"
	emake DESTDIR=${D} install

	cd "../pstocanonij"
	emake DESTDIR=${D} install

	if use servicetools; then
		cd "../cngpij"
		emake DESTDIR=${D} install

		cd "../cngpijmon"
		emake DESTDIR=${D} install
	fi

	cd ".."
	
	for i in `seq 0 ${_max}`; do
		if use ${_pruse[$i]} || ${_autochoose}; then
			_pr=${_prname[$i]} _prid=${_prid[$i]}
			src_install_pr;
		fi
	done

	# fix directory structure
	if use nocupsdetection; then
		mkdir -p ${D}${_cupsdir2}/filter || die
		dosym ${_cupsdir1}/filter/pstocanonij ${_cupsdir2}/filter/pstocanonij
	elif has_version ">=net-print/cups-1.2.0"; then
		mkdir -p ${D}${_cupsdir2} || die
		mv ${D}${_cupsdir1}/* ${D}${_cupsdir2} || die
	fi
}

pkg_postinst() {
	elog ""
	elog "For installing a printer:"
	elog " * Restart CUPS: /etc/init.d/cupsd restart"
	elog " * Go to http://127.0.0.1:631/"
	elog "   -> Printers -> Add Printer"
	elog ""
	elog "You can find the printerspecific config-file here:"
	elog " /usr/lib/cnijlib/cif${_pr}.conf"
	elog ""
	elog "If you experience any problems, please visit:"
	elog " http://forums.gentoo.org/viewtopic-p-3217721.html"
	elog " or"
	elog " http://forums.gentoo.org/viewtopic-t-723203.html"
	elog " or"
	elog " http://bugs.gentoo.org/show_bug.cgi?id=258244"

#	ln -s /usr/lib/cups/filter/pstocanonij /usr/libexec/cups/filter/pstocanonij
#	ln -s /usr/lib/cups/backend/cnijusb /usr/libexec/cups/backend/cnijusb
	if use amd64; then
		ln -s /usr/lib32/cnijlib /usr/lib32/bjlib
		chown 755 /usr/lib32/bjlib/*
	else
		ln -s /usr/lib/cnijlib /usr/lib/bjlib
		chown 755 /usr/lib/bjlib/*
	fi
}

###
#	Custom Helper Functions
###

src_compile_pr()
{
	mkdir ${_pr}
	cp -a ${_prid} ${_pr}
	cp -a cnijfilter ${_pr}
	cp -a printui ${_pr}
	cp -a lgmon ${_pr}

	cd "${_pr}/cnijfilter" # ${_libdir}/bjlib ???
	./autogen.sh --prefix=${_prefix} --program-suffix=${_pr} --enable-libpath=${_libdir}/bjlib || die
	emake

	if use servicetools; then
		cd "../printui"
		./autogen.sh --datadir=${_datadir} --program-suffix=${_pr} || die
		emake

		cd "../lgmon"
		./autogen.sh --program-suffix=${_pr} || die
		emake
	fi

	cd "../.."
}

src_install_pr()
{
	cd ${_pr}/cnijfilter
	emake DESTDIR=${D} install

	if use servicetools; then
		cd "../printui"
		emake DESTDIR=${D} install

		cd "../lgmon"
		emake DESTDIR=${D} install
	fi

	cd "../.."
	cp "${_prid}"/libs_bin/*.so.* "${D}${_libdir}" # install -c -s -m 755
	cp "${_prid}"/database/* "${D}${_libdir}/cnijlib" # install -c -s -m 755
	cp "ppd/canon${_pr}.ppd" "${D}${_ppddir}"
}

pkg_postrm() {
	rm -f /usr/libexec/cups/filter/pstocanonij
	rm -f /usr/libexec/cups/backend/cnijusb
	rm -f /usr/lib/bjlib
}