# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

VIRTUALX_REQUIRED="pgo"
WANT_AUTOCONF="2.1"
MOZ_ESR=""

# This list can be updated with scripts/get_langs.sh from the mozilla overlay
MOZ_LANGS=( ach af an ar as ast az bg bn-BD bn-IN br bs ca cak cs cy da de dsb
el en en-GB en-US en-ZA eo es-AR es-CL es-ES es-MX et eu fa ff fi fr fy-NL ga-IE
gd gl gn gu-IN he hi-IN hr hsb hu hy-AM id is it ja ka kab kk km kn ko lij lt lv
mai mk ml mr ms nb-NO nl nn-NO or pa-IN pl pt-BR pt-PT rm ro ru si sk sl son sq
sr sv-SE ta te th tr uk uz vi xh zh-CN zh-TW )

# Patch version
PATCH="firefox-56.0-patches-07"
#PATCH="waterfox-2019.12-patches-01"
MOZ_HTTP_URI="https://github.com/MrAlex94/Waterfox/archive"
#MOZ_LANGPACK_HTTP_URI="https://github.com/MrAlex94/www.waterfoxproject.org"

MOZCONFIG_OPTIONAL_WIFI=1

inherit check-reqs eapi7-ver flag-o-matic toolchain-funcs eutils gnome2-utils \
		mozconfig-v6.56 pax-utils xdg-utils autotools virtualx

MY_PV="${PV}-classic"

DESCRIPTION="Waterfox Web Browser"
HOMEPAGE="http://www.waterfoxproject.org"

KEYWORDS="~amd64"

SLOT="0"
LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
IUSE="
	+gmp-autoupdate
	eme-free
	hardened hwaccel
	jack
	nsplugin
	pgo
	selinux
	test
"

PATCH_URIS=( https://dev.gentoo.org/~{anarchy,axs,polynomial-c}/mozilla/patchsets/${PATCH}.tar.xz )
SRC_URI="
	${MOZ_HTTP_URI}/${MY_PV}.tar.gz -> ${P}.tar.gz
	${PATCH_URIS[@]}
"

ASM_DEPEND="
	>=dev-lang/yasm-1.1
"
RDEPEND="
	jack? ( virtual/jack )
	>=dev-libs/nss-3.32.1
	>=dev-libs/nspr-4.16
	selinux? ( sec-policy/selinux-mozilla )
"
DEPEND="${RDEPEND}
	pgo? ( >=sys-devel/gcc-4.5 )
	virtual/rust
	amd64? ( ${ASM_DEPEND} virtual/opengl )
	x86? ( ${ASM_DEPEND} virtual/opengl )
"

S="${WORKDIR}/${PN^}-${MY_PV}"

QA_PRESTRIPPED="usr/lib*/${PN}/waterfox"

BUILD_OBJ_DIR="${S}/wf"

# allow GMP_PLUGIN_LIST to be set in an eclass or
# overridden in the enviromnent (advanced hackers only)
if [[ -z ${GMP_PLUGIN_LIST} ]]; then
	GMP_PLUGIN_LIST=( gmp-gmpopenh264 gmp-widevinecdm )
fi

pkg_setup() {
	moz_pkgsetup

	# Avoid PGO profiling problems due to enviroment leakage
	# These should *always* be cleaned up anyway
	unset DBUS_SESSION_BUS_ADDRESS \
		  DISPLAY \
		  ORBIT_SOCKETDIR \
		  SESSION_MANAGER \
		  XDG_SESSION_COOKIE \
		  XAUTHORITY

	if use pgo; then
		einfo
		ewarn "You will do a double build for profile guided optimization."
		ewarn "This will result in your build taking at least twice as long as before."
	fi
}

pkg_pretend() {
	# Ensure we have enough disk space to compile
	if use pgo || use debug || use test ; then
		CHECKREQS_DISK_BUILD="8G"
	else
		CHECKREQS_DISK_BUILD="4G"
	fi
	check-reqs_pkg_setup
}

src_prepare() {
	local patch_exclude=(
		1000_gentoo_install_dir.patch
		2001_system_harfbuzz.patch
		2002_system_graphite2.patch
	)

	local mpatch
	for mpatch in ${patch_exclude[@]} ; do
		if [[ -f "${FILESDIR}"/${mpatch} ]] ; then
			cp "${FILESDIR}"/${mpatch} \
				"${WORKDIR}"/firefox/ || die
		else
			rm "${WORKDIR}"/firefox/${mpatch} || die
		fi
	done

	# Apply our patches
	eapply "${WORKDIR}/firefox"

	#eapply "${FILESDIR}/${P}-classic-version.patch"

	# Enable gnomebreakpad
	if use debug ; then
		sed -i -e "s:GNOME_DISABLE_CRASH_DIALOG=1:GNOME_DISABLE_CRASH_DIALOG=0:g" \
			"${S}"/build/unix/run-mozilla.sh || die "sed failed!"
	fi

	# Drop -Wl,--as-needed related manipulation for ia64 as it causes ld sefgaults, bug #582432
	if use ia64 ; then
		sed -i \
		-e '/^OS_LIBS += no_as_needed/d' \
		-e '/^OS_LIBS += as_needed/d' \
		"${S}"/widget/gtk/mozgtk/gtk2/moz.build \
		"${S}"/widget/gtk/mozgtk/gtk3/moz.build \
		|| die "sed failed to drop --as-needed for ia64"
	fi

	# Ensure that our plugins dir is enabled as default
	sed -i -e "s:/usr/lib/mozilla/plugins:/usr/lib/nsbrowser/plugins:" \
		"${S}"/xpcom/io/nsAppFileLocationProvider.cpp || die "sed failed to replace plugin path for 32bit!"
	sed -i -e "s:/usr/lib64/mozilla/plugins:/usr/lib64/nsbrowser/plugins:" \
		"${S}"/xpcom/io/nsAppFileLocationProvider.cpp || die "sed failed to replace plugin path for 64bit!"

	# Fix sandbox violations during make clean, bug 372817
	sed -e "s:\(/no-such-file\):${T}\1:g" \
		-i "${S}"/config/rules.mk \
		-i "${S}"/nsprpub/configure{.in,} \
		|| die

	# Don't exit with error when some libs are missing which we have in
	# system.
	sed '/^MOZ_PKG_FATAL_WARNINGS/s@= 1@= 0@' \
		-i "${S}"/browser/installer/Makefile.in || die

	# Don't error out when there's no files to be removed:
	sed 's@\(xargs rm\)$@\1 -f@' \
		-i "${S}"/toolkit/mozapps/installer/packager.mk || die

	# Keep codebase the same even if not using official branding
	#sed '/^MOZ_DEV_EDITION=1/d' \
	#	-i "${S}"/browser/branding/aurora/configure.sh || die

	# Allow user to apply any additional patches without modifing ebuild
	eapply_user

	# Autotools configure is now called old-configure.in
	# This works because there is still a configure.in that happens to be for the
	# shell wrapper configure script
	eautoreconf old-configure.in

	# Must run autoconf in js/src
	cd "${S}"/js/src || die
	eautoconf old-configure.in
}

src_configure() {
	MEXTENSIONS="default"
	# Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
	# Note: These are for Gentoo Linux use ONLY. For your own distribution, please
	# get your own set of keys.
	_google_api_key=AIzaSyDEAOvatFo0eTgsV_ZlEzx0ObmepsMzfAc

	####################################
	#
	# mozconfig, CFLAGS and CXXFLAGS setup
	#
	####################################

	mozconfig_init
	mozconfig_config

	# enable JACK, bug 600002
	mozconfig_use_enable jack

	use eme-free && mozconfig_annotate '+eme-free' --disable-eme

	# It doesn't compile on alpha without this LDFLAGS
	use alpha && append-ldflags "-Wl,--no-relax"

	# Add full relro support for hardened
	if use hardened; then
		append-ldflags "-Wl,-z,relro,-z,now"
		mozconfig_use_enable hardened hardening
	fi

	# Setup api key for location services
	echo -n "${_google_api_key}" > "${S}"/google-api-key
	mozconfig_annotate '' --with-google-api-keyfile="${S}/google-api-key"

	mozconfig_annotate '' --enable-extensions="${MEXTENSIONS}"

	# Waterfox specific stuff
	mozconfig_annotate 'Waterfox' --disable-elf-hack
	mozconfig_annotate 'Waterfox' --with-app-name=${PN}
	mozconfig_annotate 'Waterfox' --with-app-basename=${PN}
	mozconfig_annotate 'Waterfox' --with-branding=browser/branding/unofficial
	mozconfig_annotate 'Waterfox' --with-distribution-id=org.waterfoxproject

	# Allow for a proper pgo build
	if use pgo; then
		echo "mk_add_options PROFILE_GEN_SCRIPT='EXTRA_TEST_ARGS=10 \$(MAKE) -C \$(MOZ_OBJDIR) pgo-profile-run'" >> "${S}"/.mozconfig
	fi

	echo "mk_add_options MOZ_OBJDIR=${BUILD_OBJ_DIR}" >> "${S}"/.mozconfig
	echo "mk_add_options XARGS=/usr/bin/xargs" >> "${S}"/.mozconfig

	# Finalize and report settings
	mozconfig_final

	# workaround for funky/broken upstream configure...
	SHELL="${SHELL:-${EPREFIX}/bin/bash}" \
	emake -f client.mk configure
}

src_compile() {
	if use pgo; then
		addpredict /root
		addpredict /etc/gconf
		# Reset and cleanup environment variables used by GNOME/XDG
		gnome2_environment_reset

		# Firefox tries to use dri stuff when it's run, see bug 380283
		shopt -s nullglob
		cards=$(echo -n /dev/dri/card* | sed 's/ /:/g')
		if test -z "${cards}"; then
			cards=$(echo -n /dev/ati/card* /dev/nvidiactl* | sed 's/ /:/g')
			if test -n "${cards}"; then
				# Binary drivers seem to cause access violations anyway, so
				# let's use indirect rendering so that the device files aren't
				# touched at all. See bug 394715.
				export LIBGL_ALWAYS_INDIRECT=1
			fi
		fi
		shopt -u nullglob
		[[ -n "${cards}" ]] && addpredict "${cards}"

		MOZ_MAKE_FLAGS="${MAKEOPTS}" SHELL="${SHELL:-${EPREFIX}/bin/bash}" \
		virtx emake -f client.mk profiledbuild || die "virtx emake failed"
	else
		MOZ_MAKE_FLAGS="${MAKEOPTS}" SHELL="${SHELL:-${EPREFIX}/bin/bash}" \
		emake -f client.mk realbuild
	fi

}

src_install() {
	cd "${BUILD_OBJ_DIR}" || die

	# Pax mark xpcshell for hardened support, only used for startupcache creation.
	pax-mark m "${BUILD_OBJ_DIR}"/dist/bin/xpcshell

	# Add our default prefs for firefox
	cp "${FILESDIR}"/gentoo-default-prefs.js-1 \
		"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js" \
		|| die

	mozconfig_install_prefs \
		"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js"

	# Augment this with hwaccel prefs
	if use hwaccel ; then
		cat "${FILESDIR}"/gentoo-hwaccel-prefs.js-1 >> \
		"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js" \
		|| die
	fi

	echo "pref(\"extensions.autoDisableScopes\", 3);" >> \
		"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js" \
		|| die

	if use nsplugin; then
		echo "pref(\"plugin.load_flash_only\", false);" >> \
			"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js" \
			|| die
	fi

	local plugin
	use gmp-autoupdate || use eme-free || for plugin in "${GMP_PLUGIN_LIST[@]}" ; do
		echo "pref(\"media.${plugin}.autoupdate\", false);" >> \
			"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js" \
			|| die
	done

	MOZ_MAKE_FLAGS="${MAKEOPTS}" SHELL="${SHELL:-${EPREFIX}/bin/bash}" \
	emake DESTDIR="${D}" install

	# Install language packs
	#mozlinguas_src_install

	local size sizes icon_path icon name

	sizes="16 22 24 32 256"
	icon_path="${S}/browser/branding/unofficial"
	icon="${PN}"
	name="Waterfox"

	# Install icons and .desktop for menu entry
	for size in ${sizes}; do
		insinto "/usr/share/icons/hicolor/${size}x${size}/apps"
		newins "${icon_path}/default${size}.png" "${icon}.png"
	done
	# The 128x128 icon has a different name
	insinto "/usr/share/icons/hicolor/128x128/apps"
	doins "${icon_path}/${icon}.png"
	# Install a 48x48 icon into /usr/share/pixmaps for legacy DEs
	newicon "${icon_path}/default48.png" "${icon}.png"
	newmenu "${FILESDIR}/icon/${PN}.desktop" "${PN}.desktop"
	sed -i -e "s:@NAME@:${name}:" -e "s:@ICON@:${icon}:" \
		"${ED%/}/usr/share/applications/${PN}.desktop" \
		|| die

	# Add StartupNotify=true bug 237317
	if use startup-notification ; then
		echo "StartupNotify=true" >> \
			 "${ED%/}/usr/share/applications/${PN}.desktop" || die
	fi

	# Required in order to use plugins and even run firefox on hardened.
	pax-mark m "${ED}"${MOZILLA_FIVE_HOME}/{waterfox,waterfox-bin,plugin-container}
}

pkg_preinst() {
	gnome2_icon_savelist

	# if the apulse libs are available in MOZILLA_FIVE_HOME then apulse
	# doesn't need to be forced into the LD_LIBRARY_PATH
	if use pulseaudio && has_version ">=media-sound/apulse-0.1.9" ; then
		einfo "APULSE found - Generating library symlinks for sound support"
		local lib
		pushd "${ED}"${MOZILLA_FIVE_HOME} &>/dev/null || die
		for lib in ../apulse/libpulse{.so{,.0},-simple.so{,.0}} ; do
			# a quickpkg rolled by hand will grab symlinks as part of the package,
			# so we need to avoid creating them if they already exist.
			if ! [ -L ${lib##*/} ]; then
				ln -s "${lib}" ${lib##*/} || die
			fi
		done
		popd &>/dev/null || die
	fi
}

pkg_postinst() {
	# Update mimedb for the new .desktop file
	xdg_desktop_database_update
	gnome2_icon_cache_update

	if ! use gmp-autoupdate && ! use eme-free ; then
		elog "USE='-gmp-autoupdate' has disabled the following plugins from updating or"
		elog "installing into new profiles:"
		local plugin
		for plugin in "${GMP_PLUGIN_LIST[@]}"; do elog "\t ${plugin}" ; done
	fi

	if use pulseaudio && has_version ">=media-sound/apulse-0.1.9"; then
		elog "Apulse was detected at merge time on this system and so it will always be"
		elog "used for sound.  If you wish to use pulseaudio instead please unmerge"
		elog "media-sound/apulse."
	fi
}

pkg_postrm() {
	gnome2_icon_cache_update
}