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

# @ECLASS: mozilla-scm.eclass
# @MAINTAINER:
# Sardem FF7 <sardemff7.pub@gmail.com>
# @BLURB: This eclass provides Mozilla specific SCM support

WANT_AUTOCONF="2.1"

inherit eutils flag-o-matic toolchain-funcs eutils prefix mozconfig-3 makeedit multilib pax-utils autotools python
[[ "${PN}" != "xulrunner" ]] && inherit fdo-mime mozextension

EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_postinst

RDEPEND="
	>=sys-devel/binutils-2.16.1
	>=dev-libs/nss-3.12.9
	>=dev-libs/nspr-4.8.7
	>=app-text/hunspell-1.2
	>=x11-libs/cairo-1.10.2[X]
	x11-libs/pango[X]
	media-libs/libpng[apng]
	alsa? ( media-libs/alsa-lib )
	webm? ( media-libs/libvpx )
	libnotify? ( >=x11-libs/libnotify-0.4 )
	system-sqlite? ( >=dev-db/sqlite-3.7.4[fts3,secure-delete,unlock-notify] )
	wifi? ( net-wireless/wireless-tools )
	"
[[ "${PN}" != "xulrunner" ]] && RDEPEND+="~net-libs/xulrunner-9999[wifi=,libnotify=,mozdom=,system-sqlite=,webm=]"

DEPEND="
	dev-vcs/mercurial
	dev-util/pkgconfig
	"

IUSE="+alsa +ipc libnotify mozdom system-sqlite +webm wifi"
[[ "${PN}" != "xulrunner" ]] && IUSE+=" startup-notification"

SRC_URI=""
MAJ_XUL_PV="2.0"

MEXTENSIONS="default"
use mozdom && MEXTENSIONS+=",inspector"

# @ECLASS-VARIABLE: EHG_REVISION
# @DESCRIPTION:
# Create working directory for specified revision, defaults to tip.
#
# EHG_REVISION is passed as a value for --rev parameter, so it can be more than
# just a revision, please consult `hg help revisions' for more details.
: ${EHG_REVISION:=tip}

# @ECLASS-VARIABLE: EHG_STORE_DIR
# @DESCRIPTION:
# Mercurial sources store directory. Users may override this in /etc/make.conf
: ${EHG_STORE_DIR:=${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/hg-src}

# @ECLASS-VARIABLE: EHG_QUIET
# @DESCRIPTION:
# Suppress some extra noise from mercurial, set it to be quiet.

# @ECLASS-VARIABLE: EHG_CLONE_CMD
# @DESCRIPTION:
# Command used to perform initial repository clone.
: ${EHG_CLONE_CMD:=hg clone ${EHG_QUIET:+--quiet} --pull --noupdate}

# @ECLASS-VARIABLE: EHG_PULL_CMD
# @DESCRIPTION:
# Command used to update repository.
: ${EHG_PULL_CMD:=hg pull ${EHG_QUIET:+--quiet}}

# @ECLASS-VARIABLE: EHG_OFFLINE
# @DESCRIPTION:
# Set this variable to a non-empty value to disable the automatic updating of
# a mercurial source tree. This is intended to be set outside the ebuild by
# users.
: ${EHG_OFFLINE:=${ESCM_OFFLINE}}


# @ECLASS-VARIABLE: MOZILLA_BONUS_REPOS_URIS
: ${MOZILLA_BONUS_REPOS_URIS:=}

# @FUNCTION: mercurial_fetch
# @USAGE: repository_uri
# @DESCRIPTION:
# Clone or update repository.
#
# If repository URI is not passed it defaults to EHG_REPO_URI, if module is
# empty it defaults to basename of EHG_REPO_URI, sourcedir defaults to S.
function mercurial_fetch {
	debug-print-function ${FUNCNAME} ${*}

	local repo=${1}

	local module="$(basename "${repo}")"

	# Should be set but blank to prevent using $HOME/.hgrc
	export HGRCPATH=

	# Check ${EHG_STORE_DIR} directory:
	addwrite "$(dirname "${EHG_STORE_DIR}")" || die "addwrite failed"
	if [[ ! -d "${EHG_STORE_DIR}" ]]; then
		mkdir -p "${EHG_STORE_DIR}" || die "failed to create ${EHG_STORE_DIR}"
		chmod -f g+rw "${EHG_STORE_DIR}" || \
			die "failed to chown ${EHG_STORE_DIR}"
	fi

	# Create project directory:
	mkdir -p "${EHG_STORE_DIR}/mozilla" || \
		die "failed to create ${EHG_STORE_DIR}/mozilla"
	chmod -f g+rw "${EHG_STORE_DIR}/mozilla" || \
		echo "Warning: failed to chmod g+rw mozilla"
	cd "${EHG_STORE_DIR}/mozilla" || \
		die "failed to cd to ${EHG_STORE_DIR}/mozilla"

	# Clone/update repository:
	if [[ ! -d "${module}" ]]; then
		einfo "Cloning ${repo} to ${EHG_STORE_DIR}/mozilla/${module}"
		${EHG_CLONE_CMD} "${repo}" "${module}" || {
			rm -rf "${module}"
			die "failed to clone ${repo}"
		}
		cd "${module}"
	elif [[ "${PN}" == "xulrunner" && -z "${EHG_OFFLINE}" ]]; then
		einfo "Updating ${EHG_STORE_DIR}/mozilla/${module} from ${repo}"
		cd "${module}" || die "failed to cd to ${module}"
		${EHG_PULL_CMD} || die "update failed"
	fi

	# Checkout working copy:
	einfo "Creating working directory for ${module} (target revision: ${EHG_REVISION})"
	hg archive \
		${EHG_QUIET_CMD_OPT} \
		--rev="${EHG_REVISION}" \
		-R "${EHG_STORE_DIR}/mozilla/${module}" \
		"${WORKDIR}/${module}" || die "hg clone failed"
	einfo "Work directory: ${WORKDIR}/${module}"
}

function mozilla-scm_src_unpack {
	mercurial_fetch "http://hg.mozilla.org/mozilla-central/"
	for repo in ${MOZILLA_BONUS_REPOS_URIS}; do
		mercurial_fetch "${repo}"
	done
}

function mozilla-scm_pkg_setup {
	# Ensure we always build with C locale.
	export LANG="C"
	export LC_ALL="C"
	export LC_MESSAGES="C"
	export LC_CTYPE="C"

	if [[ "${PN}" != "xulrunner" ]]; then
		elog "You are enabling official branding. You may not redistribute this build"
		elog "to any users on your network or the internet. Doing so puts yourself into"
		elog "a legal problem with Mozilla Foundation"
	fi

	python_set_active_version 2
}

function mozilla-scm_src_install {
	MOZILLA_FIVE_HOME="/usr/$(get_libdir)/${PN}"
	if [[ "${PN}" == "xulrunner" ]]; then
		MOZILLA_FIVE_HOME+="${MOZLIBDIR}-${MAJ_XUL_PV}"
		MOZLIBDIR="${MOZILLA_FIVE_HOME}"
		SDKDIR="/usr/$(get_libdir)/${PN}-devel-${MAJ_XUL_PV}/sdk"
	else
		# Install icon and .desktop for menu entry
		newicon "${S}"/other-licenses/branding/${PN}/content/icon48.png ${PN}-icon.png
		newmenu "${FILESDIR}"/${PN}.desktop \
			${PN}.desktop

		# Add StartupNotify=true bug 237317
		if use startup-notification ; then
			echo "StartupNotify=true" >> "${ED}"/usr/share/applications/${PN}.desktop
		fi
	fi
	
	emake DESTDIR="${D}" install || die "emake install failed"
	
	local prefdir="${ED}/${MOZILLA_FIVE_HOME}/defaults/pref"
	[[ -d "${prefdir}erences" ]] && prefdir+="erences"
	cp "${FILESDIR}"/default-prefs.js \
		"${prefdir}/all-gentoo.js" || \
		die "failed to cp -default-prefs.js"
}

function mozilla-scm_src_compile() {
	# Should the build use multiprocessing? Not enabled by default, as it tends to break
	[ "${WANT_MP}" = "true" ] && jobs=${MAKEOPTS} || jobs="-j1"
	emake ${jobs} || die
}

function mozilla-scm_pkg_postinst() {
	ewarn "This is experimental DO NOT file a bug report unless you can"
	ewarn "are willing to provide a patch. All bugs that are filled without a patch"
	ewarn "will be closed INVALID!!"
	
	if [[ "${PN}" == "xulrunner" ]]; then
		einfo "Don't forget to rebuild firefox/thunderbird to update it to the same changeset"
	else
		ewarn "All the packages built against ${PN} won't compile,"
		ewarn "any package that fails to build warrants a bug report."
		einfo "You should build xulrunner first to update the mercurial repository"

		# Update mimedb for the new .desktop file
		fdo-mime_desktop_database_update
	fi
}