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

# @ECLASS: gnome2.eclass
# @MAINTAINER:
# gnome@gentoo.org
# @BLURB: 
# @DESCRIPTION:
# Exports portage base functions used by ebuilds written for packages using the
# GNOME framework. For additional functions, see gnome2-utils.eclass.

inherit fdo-mime libtool gnome.org gnome2-utils

case "${EAPI:-0}" in
	0|1)
		EXPORT_FUNCTIONS src_unpack src_compile src_install pkg_preinst pkg_postinst pkg_postrm
		;;
	2|3|4)
		EXPORT_FUNCTIONS src_unpack src_prepare src_configure src_compile src_install pkg_preinst pkg_postinst pkg_postrm
		;;
	*) die "EAPI=${EAPI} is not supported" ;;
esac

#if [[ "${I_WANT_GNOME_3_3_X}" != "yes" ]]; then
#	die "
#
#The GNOME overlay is switching to GNOME 3.3.x prerelease packages.
#These are unstable, potentially incompatible with 3.2, and may well
#break your system in intriguing ways.
#
#If you enabled the GNOME overlay to get GNOME 3.2, please disable
#it now, since GNOME 3.2 is already in portage and unmasked.
#
#If you really do want experimental GNOME 3.3.x, please add
#I_WANT_GNOME_3_3_X=yes
#to your /etc/make.conf and continue.
#
#"
#fi

# @ECLASS-VARIABLE: G2CONF
# @DEFAULT-UNSET
# @DESCRIPTION:
# Extra configure opts passed to econf
G2CONF=${G2CONF:-""}

# @ECLASS-VARIABLE: GNOME2_LA_PUNT
# @DESCRIPTION:
# Should we delete all the .la files?
# NOT to be used without due consideration.
GNOME2_LA_PUNT=${GNOME2_LA_PUNT:-"no"}

# @ECLASS-VARIABLE: ELTCONF
# @DEFAULT-UNSET
# @DESCRIPTION:
# Extra options passed to elibtoolize
ELTCONF=${ELTCONF:-""}

# @ECLASS-VARIABLE: USE_EINSTALL
# @DEFAULT-UNSET
# @DEPRECATED
# @DESCRIPTION:
# Should we use EINSTALL instead of DESTDIR
USE_EINSTALL=${USE_EINSTALL:-""}

# @ECLASS-VARIABLE: SCROLLKEEPER_UPDATE
# @DEPRECATED
# @DESCRIPTION:
# Whether to run scrollkeeper for this package or not.
SCROLLKEEPER_UPDATE=${SCROLLKEEPER_UPDATE:-"1"}

# @ECLASS-VARIABLE: DOCS
# @DEFAULT-UNSET
# @DESCRIPTION:
# String containing documents passed to dodoc command.

# @ECLASS-VARIABLE: GCONF_DEBUG
# @DEFAULT_UNSET
# @DESCRIPTION:
# Whether to handle debug or not.
# Some gnome applications support various levels of debugging (yes, no, minimum,
# etc), but using --disable-debug also removes g_assert which makes debugging
# harder. This variable should be set to yes for such packages for the eclass
# to handle it properly. It will enable minimal debug with USE=-debug.
# Note that this is most commonly found in configure.ac as GNOME_DEBUG_CHECK.


if [[ ${GCONF_DEBUG} != "no" ]]; then
	IUSE="debug"
fi


# @FUNCTION: gnome2_src_unpack
# @DESCRIPTION:
# Stub function for old EAPI.
gnome2_src_unpack() {
	unpack ${A}
	cd "${S}"
	has ${EAPI:-0} 0 1 && gnome2_src_prepare
}

# @FUNCTION: gnome2_src_prepare
# @DESCRIPTION:
# Prepare environment for build, fix build of scrollkeeper documentation,
# run elibtoolize.
gnome2_src_prepare() {
	# Reset various variables inherited via the environment.
	# Causes test failures, introspection-build failures, and access violations
	# FIXME: seems to have no effect for exported variables, at least with
	# portage-2.2.0_alpha74
	unset DBUS_SESSION_BUS_ADDRESS
	unset DISPLAY
	unset GNOME_KEYRING_CONTROL
	unset GNOME_KEYRING_PID
	unset XAUTHORITY
	unset XDG_SESSION_COOKIE

	# Prevent assorted access violations and test failures
	gnome2_environment_reset

	# Prevent scrollkeeper access violations
	gnome2_omf_fix

	# Run libtoolize
	if has ${EAPI:-0} 0 1 2 3; then
		elibtoolize ${ELTCONF}
	else
		# Everything is fatal EAPI 4 onwards
		nonfatal elibtoolize ${ELTCONF}
	fi

}

# @FUNCTION: gnome2_src_configure
# @DESCRIPTION:
# Gnome specific configure handling
gnome2_src_configure() {
	# Update the GNOME configuration options
	if [[ ${GCONF_DEBUG} != 'no' ]] ; then
		if use debug ; then
			G2CONF="${G2CONF} --enable-debug=yes"
		fi
	fi

	# Prevent a QA warning
	if has doc ${IUSE} ; then
		G2CONF="${G2CONF} $(use_enable doc gtk-doc)"
	fi

	# Pass --disable-maintainer-mode when needed
	if grep -q "^[[:space:]]*AM_MAINTAINER_MODE(\[enable\])" configure.*; then
		G2CONF="${G2CONF} --disable-maintainer-mode"
	fi

	# Pass --disable-scrollkeeper when possible
	if grep -q "disable-scrollkeeper" configure; then
		G2CONF="${G2CONF} --disable-scrollkeeper"
	fi

	# Avoid sandbox violations caused by gnome-vfs (bug #128289 and #345659)
	addwrite "$(unset HOME; echo ~)/.gnome2"

	econf "$@" ${G2CONF}
}

# @FUNCTION: gnome2_src_compile
# @DESCRIPTION:
# Stub function for old EAPI.
gnome2_src_compile() {
	has ${EAPI:-0} 0 1 && gnome2_src_configure "$@"
	emake || die "compile failure"
}

# @FUNCTION: gnome2_src_install
# @DESCRIPTION:
# Gnome specific install. Handles typical GConf and scrollkeeper setup
# in packages and removal of .la files if requested
gnome2_src_install() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
	# if this is not present, scrollkeeper-update may segfault and
	# create bogus directories in /var/lib/
	local sk_tmp_dir="/var/lib/scrollkeeper"
	dodir "${sk_tmp_dir}" || die "dodir failed"

	# we must delay gconf schema installation due to sandbox
	export GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL="1"

	if [[ -z "${USE_EINSTALL}" || "${USE_EINSTALL}" = "0" ]]; then
		debug-print "Installing with 'make install'"
		emake DESTDIR="${D}" "scrollkeeper_localstate_dir=${ED}${sk_tmp_dir} " "$@" install || die "install failed"
	else
		debug-print "Installing with 'einstall'"
		einstall "scrollkeeper_localstate_dir=${ED}${sk_tmp_dir} " "$@" || die "einstall failed"
	fi

	unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL

	# Manual document installation
	if [[ -n "${DOCS}" ]]; then
		dodoc ${DOCS} || die "dodoc failed"
	fi

	# Do not keep /var/lib/scrollkeeper because:
	# 1. The scrollkeeper database is regenerated at pkg_postinst()
	# 2. ${ED}/var/lib/scrollkeeper contains only indexes for the current pkg
	#    thus it makes no sense if pkg_postinst ISN'T run for some reason.
	rm -rf "${ED}${sk_tmp_dir}"
	rmdir "${ED}/var/lib" 2>/dev/null
	rmdir "${ED}/var" 2>/dev/null

	# Make sure this one doesn't get in the portage db
	rm -fr "${ED}/usr/share/applications/mimeinfo.cache"

	# Delete all .la files
	if [[ "${GNOME2_LA_PUNT}" != "no" ]]; then
		ebegin "Removing .la files"
		if ! { has static-libs ${IUSE//+} && use static-libs; }; then
			find "${D}" -name '*.la' -exec rm -f {} + || die "la file removal failed"
		fi
		eend
	fi
}

# @FUNCTION: gnome2_pkg_preinst
# @DESCRIPTION:
# Finds Icons, GConf and GSettings schemas for later handling in pkg_postinst
gnome2_pkg_preinst() {
	gnome2_gconf_savelist
	gnome2_icon_savelist
	gnome2_schemas_savelist
	gnome2_scrollkeeper_savelist
}

# @FUNCTION: gnome2_pkg_postinst
# @DESCRIPTION:
# Handle scrollkeeper, GConf, GSettings, Icons, desktop and mime
# database updates.
gnome2_pkg_postinst() {
	gnome2_gconf_install
	fdo-mime_desktop_database_update
	fdo-mime_mime_database_update
	gnome2_icon_cache_update
	gnome2_schemas_update
	gnome2_scrollkeeper_update

	# This should only be in the overlay
	ewarn "**************************************************************"
	ewarn "This is the *experimental* Gentoo GNOME Overlay"
	ewarn "Please report bugs at #gentoo-desktop @ FreeNode"
	ewarn "Do NOT go to upstream with bugs without checking with us first"
	ewarn "**************************************************************"
}

# @#FUNCTION: gnome2_pkg_prerm
# @#DESCRIPTION:
# # FIXME Handle GConf schemas removal
#gnome2_pkg_prerm() {
#	gnome2_gconf_uninstall
#}

# @FUNCTION: gnome2_pkg_postrm
# @DESCRIPTION:
# Handle scrollkeeper, GSettings, Icons, desktop and mime database updates.
gnome2_pkg_postrm() {
	fdo-mime_desktop_database_update
	fdo-mime_mime_database_update
	gnome2_icon_cache_update
	gnome2_schemas_update
	gnome2_scrollkeeper_update
}