# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6
VIRTUALX_REQUIRED="pgo"
WANT_AUTOCONF="2.1"

PYTHON_COMPAT=( python3_{5,6,7} )
PYTHON_REQ_USE='ncurses,sqlite,ssl,threads(+)'

# 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 )

#MOZCONFIG_OPTIONAL_GTK2ONLY=1
MOZCONFIG_OPTIONAL_WIFI=1
MOZCONFIG_OPTIONAL_GTK3='enabled'
#MOZ_CURRENT_PROJECT=browser

MOZ_LANGPACK_HTTP_URI="https://ftp.gnu.org/gnu/gnuzilla/${PV}/langpacks"
MOZ_LANGPACK_SUFFIX='.langpack.xpi'
MOZ_LANGPACK_PREFIX="${P}."
MOZ_L10N_SUFFIX='.langpack.xpi'
MOZ_L10N_PREFIX="${P}."

inherit check-reqs flag-o-matic toolchain-funcs eutils gnome2-utils llvm \
		mozconfig-v6.60 pax-utils xdg-utils autotools mozlinguas-v2

DESCRIPTION="Icecat Web Browser"
HOMEPAGE="https://www.gnu.org/software/gnuzilla"

KEYWORDS="~alpha amd64 ~arm ~arm64 ~ia64 ppc ppc64 x86 ~amd64-linux ~x86-linux"

SLOT="0"
LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
IUSE="bindist hardened geckodriver hwaccel jack pgo selinux test debug startup-notification"
RESTRICT="!bindist? ( bindist )"

SRC_URI="${SRC_URI}
	https://ftp.gnu.org/gnu/gnuzilla/${PV}/${P}-gnu1.tar.bz2
"

ASM_DEPEND=">=dev-lang/yasm-1.1"

RDEPEND="
	system-icu? ( >=dev-libs/icu-60.2 )
	jack? ( virtual/jack )
	>=dev-libs/nss-3.36.4
	>=dev-libs/nspr-4.19
	selinux? ( sec-policy/selinux-mozilla )"

DEPEND="${RDEPEND}
	>=sys-devel/llvm-4.0.1
	>=sys-devel/clang-4.0.1
	amd64? ( ${ASM_DEPEND} virtual/opengl )
	x86? ( ${ASM_DEPEND} virtual/opengl )"

BUILD_OBJ_DIR="${S}/obj-x86_64-pc-linux-gnu"
BUILD_DIR=${BUILD_OBJ_DIR}

FFMAJOR=60
FFMINOR=2
FFSUB=0
GNUVERSION=1
FFVERSION=$FFMAJOR.$FFMINOR.${FFSUB}
ICECATVERSION=$FFVERSION-gnu$GNUVERSION
SOURCEDIR=icecat-$FFVERSION

makeicecat() {
	cat <<-EOF > .mozconfig
	#### 
	####  icecat 'src/mozconfig' file
	#### 
	
	## Linux_Prerequisites - see: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Linux_Prerequisites
	## Build options - see: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Configuring_Build_Options
	## Source documentation - see: https://firefox-source-docs.mozilla.org/
	
	### IMPORTANT NOTICE: 
	### add the following lines to the VERY BOTTOM of 'src/mozconfig'
	
	### WARNING: the following lines should NOT be changed
	## Mozilla requires Python2 (python3 will NOT work - see: Linux_Prerequisites)
	mk_add_options PYTHON=/usr/bin/python2
	
	### WARNING: the following lines should NOT be changed
	### (from:  . "\$topsrcdir/build/mozconfig.common")
	mk_add_options AUTOCLOBBER=1
	ac_add_options --enable-release
	ac_add_options --enable-js-shell
	ac_add_options --disable-eme
	
	### WARNING: the following lines should NOT be changed
	### (from:  . "\$topsrcdir/src/browser/config/mozconfig")
	## application to build
	ac_add_options --enable-application=browser
	
	### WARNING: the following one should be comment out if not using ccache
	## build using ccache
	ac_add_options --with-ccache
	
	### WARNING: the following lines should NOT be changed
	## build using an objdir (to keep sources clean)
	#mk_add_options MOZ_OBJDIR=\$topsrcdir/../obj
	## path: sources for locales
	ac_add_options --with-l10n-base=\$topsrcdir/l10n
	## path: system install dir
	ac_add_options --prefix=${EPREFIX}/usr
	ac_add_options --libdir="${EPREFIX}"/usr/$(get_libdir)
	ac_add_options --target="${CHOST}"
	ac_add_options --host="${CBUILD:-${CHOST}}"
	
	### WARNING: the following lines should NOT be changed
	## build with optimization
	#ac_add_options --enable-optimize="-pipe -O2"
	## default toolkit
	ac_add_options --enable-default-toolkit=cairo-gtk3
	
	### WARNING: the following lines should NOT be changed
	## branding
	ac_add_options --enable-official-branding
	ac_add_options --with-distribution-id=org.gnu 
	## enable support for user|portable fonts on desktop platforms (put your fonts 
	## to dir browser/fonts, then you can select them in the font preferences)
	ac_add_options --enable-bundled-fonts
	
	### RECOMMENDED: NOT NECESSARY AND/OR PRIVACY RELATED STUFF
	
	## disable geolocation services
	ac_add_options --disable-necko-wifi
	ac_add_options --disable-gpsd
	
	## disable unwanted options 
	ac_add_options --disable-debug
	ac_add_options --disable-debug-symbols
	ac_add_options --disable-tests 
	ac_add_options --disable-crashreporter 
	ac_add_options --disable-updater 
	ac_add_options --disable-maintenance-service
	ac_add_options --disable-parental-controls
	
	### OTHER RECOMMENDED OPTIONS (uncomment/comment what you want/unwant)
	
	## use alsa instead of pulseaudio (Alsa must be installed in your system!)
	## WARNING: commentout BOTH the following two lines to use pulseaudio
	ac_add_options --enable-alsa  
	ac_add_options --disable-pulseaudio 
	
	## jack audio backend
	ac_add_options --enable-jack 
	
	## raw support
	ac_add_options --enable-raw
	
	## if dbus-glib is installed you could uncomment the next line
	ac_add_options --disable-dbus
	
	## if gconf is installed you could uncomment the next line
	ac_add_options --disable-gconf
	EOF
	
	cat <<- EOF >> browser/confvars.sh
	###
	###  icecat 'src/browser/confvars.sh' APPEND file
	###
	
	## IMPORTANT NOTICE:
	## append the following lines to the VERY BOTTOM of 'src/browser/confvars.sh'
	
	## Extra IceCat settings
	MOZ_APP_VENDOR=GNU
	MOZ_APP_VERSION=$FFVERSION
	MOZ_APP_PROFILE=mozilla/icecat
	MOZ_ANDROID_GOOGLE_PLAY_SERVICES=
	MOZ_BUNDLED_FONTS=1
	MOZ_CRASHREPORTER=
	MOZ_CRASHREPORTER_DISABLE=1
	MOZ_DATA_REPORTING=
	MOZ_DEVICES=
	MOZ_SERVICES_FXACCOUNTS=
	MOZ_SERVICES_HEALTHREPORT=
	MOZ_SERVICES_HEALTHREPORTER=
	MOZ_SERVICES_METRICS=
	MOZ_SERVICES_SYNC=
	MOZ_SOCIAL=
	MOZ_TELEMETRY_REPORTING=
	MOZ_UPDATER=
	MOZ_ADDON_SIGNING=
	MOZ_PAY=
	MOZ_SERVICES_BLOCKLISTS=
	MOZ_SERVICES_CLOUDSYNC=
	EOF
}

llvm_check_deps() {
	has_version "sys-devel/clang:${LLVM_SLOT}"
}

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

	addpredict /proc/self/oom_score_adj

	llvm_pkg_setup
}

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_unpack() {
	unpack ${A}

	# Unpack language packs
	mozlinguas_src_unpack
}

src_prepare() {
	# 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

	if use clang ; then
		# https://bugzilla.mozilla.org/show_bug.cgi?id=1423822
		mozconfig_annotate 'elf-hack is broken when using Clang' --disable-elf-hack
	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

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

	(cd ${S} && makeicecat)

	# 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_use_enable geckodriver

	# enable JACK, bug 600002
	mozconfig_use_enable jack

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

	# Add full relro support for hardened
	use hardened && append-ldflags "-Wl,-z,relro,-z,now"
	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}"

	# 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

	if use clang ; then
		# https://bugzilla.mozilla.org/show_bug.cgi?id=1423822
		mozconfig_annotate 'elf-hack is broken when using Clang' --disable-elf-hack
	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

	if [[ $(gcc-major-version) -lt 4 ]]; then
		append-cxxflags -fno-stack-protector
	fi

	mkdir -p "${BUILD_OBJ_DIR}"
	cd "${BUILD_OBJ_DIR}" || die

	../mach configure || die
}

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

		export MOZ_PGO=1
	fi
	../mach build
}

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 icecat
	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

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

	if use geckodriver ; then
		cp "${BUILD_OBJ_DIR}"/dist/bin/geckodriver "${ED%/}"${MOZILLA_FIVE_HOME} || die
		pax-mark m "${ED%/}"${MOZILLA_FIVE_HOME}/geckodriver

		dosym ${MOZILLA_FIVE_HOME}/geckodriver /usr/bin/geckodriver
	fi

	# Install language packs
	mozlinguas_src_install

	local sizes="16 22 24 32 256"
	local icon_path="${S}/browser/branding/official"
	local icon="${PN}"
	local name="Icecat"

	# 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"
	newins "${icon_path}/mozicon128.png" "${icon}.png"
	# Install a 48x48 icon into /usr/share/pixmaps for legacy DEs
	newicon "${icon_path}/content/icon48.png" "${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

	# Don't install llvm-symbolizer from sys-devel/llvm package
	[[ -f "${ED%/}${MOZILLA_FIVE_HOME}/llvm-symbolizer" ]] && \
		rm "${ED%/}${MOZILLA_FIVE_HOME}/llvm-symbolizer"

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

pkg_postrm() {
	gnome2_icon_cache_update
	xdg_desktop_database_update
}