# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils flag-o-matic multilib

DESCRIPTION="Canon InkJet Scanner Driver and ScanGear MP for Linux (Pixus/Pixma-Series)."
HOMEPAGE="http://software.canon-europe.com/software/0040874.asp"
RESTRICT="nomirror confcache"

SRC_URI="http://files.canon-europe.com/files/soft40874/software/scangearmp-source-1.70-1.tar.gz"
LICENSE="UNKNOWN" # GPL-2 source and proprietary binaries

SLOT="2"
KEYWORDS="~x86 ~amd64"
IUSE="amd64
    usb
    mx360
    mx410
    mx420
    mx880"
DEPEND=">=dev-libs/libusb-0.1.12-r5
    >=media-libs/libpng-1.2.44
    >=media-gfx/gimp-2.6.8
    >=x11-libs/gtk+-2.20.1-r1
    >=media-gfx/sane-backends-1.0.19-r2"

# Arrays of supported Printers, there IDs and compatible models
_pruse=("mx360" "mx410" "mx420" "mx880")
_prname=(${_pruse[@]})
_prid=("380" "381" "382" "383")
_prcomp=("mx360series" "mx410series" "mx420series" "mx880series")
_max=$((${#_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

    _prefix="/usr/local"
    _bindir="${_prefix}/bin"
    _libdir="/usr/$(get_libdir)" # either lib or lib32
    _gimpdir="${_libdir}/gimp/2.0/plug-ins"
    _udevdir="/etc/udev/rules.d"

    einfo ""
    einfo " USE-flags\t(description / probably compatible printers)"
    einfo ""
    einfo " amd64\t(basic support for this architecture)"
    einfo " usb\t(connected using usb)"
    _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:\tbasic MX360 support without maintenance tools"
        einfo "\t\t -> USE=\"mx360\""
        einfo ""
        einfo "Press Ctrl+C to abort"
        echo
        ebeep

        n=15
        while [[ $n -gt 0 ]]; do
            echo -en "  Waiting $n seconds...\r"
            sleep 1
            (( n-- ))
        done
    fi

    # TODO fix libtool :-(
    export echo=echo
}

src_unpack() {
    unpack ${A}
    mv ${PN}-source-${PV}-1 ${P} || die # Correcting directory-structure
}

src_compile() {
    cd scangearmp || die
    if use x86; then
        ./autogen.sh --prefix=${_prefix} --enable-libpath=${_libdir} LDFLAGS="-L$(pwd)/../com/libs_bin32" || die "Error: scangearmp/autoconf.sh failed"
    else #amd64
        ./autogen.sh --prefix=${_prefix} --enable-libpath=${_libdir} LDFLAGS="-L$(pwd)/../com/libs_bin64" || die "Error: scangearmp/autoconf.sh failed"
    fi
    make || die "Couldn't make scangearmp"

    cd ..
}

src_install() {
    mkdir -p ${D}${_bindir} || die
    mkdir -p ${D}${_libdir}/bjlib || die
    if use usb; then
        mkdir -p ${D}${_udevdir} || die
    fi

    cd scangearmp || die
    make DESTDIR=${D} install || die "Couldn't make install scangearmp"

    cd ..

    for i in $(seq 0 ${_max}); do
        if use ${_pruse[$i]} || ${_autochoose}; then
            _pr=${_prname[$i]} _prid=${_prid[$i]}
        fi
    done

    # rm .1a and .a
    rm -f {$D}${_libdir}/*.1a {$D}${_libdir}/*.a || die

    # make symbolic link for gimp-plug-in
    if [ -d "${_gimpdir}" ]; then
        mkdir -p ${D}${_gimpdir} || die
        dosym ${_bindir}/scangearmp ${_gimpdir}/scangearmp || die
    fi

    if use x86; then
        cp -a ${_prid}/libs_bin32/* ${D}${_libdir} || die
        cp -a com/libs_bin32/* ${D}${_libdir} || die
    else # amd54
        cp -a ${_prid}/libs_bin64/* ${D}${_libdir} || die
        cp -a com/libs_bin64/* ${D}${_libdir} || die
    fi
    cp -a ${_prid}/*.DAT ${D}${_libdir}/bjlib || die
    cp -a ${_prid}/*.tbl ${D}${_libdir}/bjlib || die
    cp com/ini/canon_mfp_net.ini ${D}${_libdir}/bjlib || die
    chmod 644 ${D}${_libdir}/bjlib/* || die
    chmod 666 ${D}${_libdir}/bjlib/canon_mfp_net.ini || die

    # usb
    if use usb; then
        cp -a scangearmp/etc/80-canon_mfp.rules ${D}${_udevdir} || die
        chmod 644 ${D}${_udevdir}/80-canon_mfp.rules || die
    fi
}

pkg_postinst() {
    if use usb; then
        if [ -x /sbin/udevadm ]; then
            einfo ""
            einfo "Reloading usb rules..."
            /sbin/udevadm control --reload-rules 2> /dev/null
            /sbin/udevadm trigger --action=add --subsystem-match=usb 2>/dev/null
        else
            einfo ""
            einfo "Please, reload usb rules manually."
        fi
    fi

    einfo ""
    einfo "If you experience any problems, please visit:"
    einfo " http://forums.gentoo.org/viewtopic-p-3217721.html"
    einfo ""
}