# Copyright 2019-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

GCC_SUPPORTED_VERSIONS="4.9 5.4 7.3 8.2 8.3 9.2 9.3"
PYTHON_COMPAT=( python2_7 )
REQUIRED_BUILDSPACE='9G'

inherit palemoon-v1 git-r3 flag-o-matic pax-utils python-any-r1

DESCRIPTION="Pale Moon Web Browser"
HOMEPAGE="https://www.palemoon.org/"

if [[ "${PV}" == *9999* ]]; then
	EGIT_REPO_URI="https://github.com/MoonchildProductions/Pale-Moon.git"
else
	EGIT_REPO_URI="https://github.com/MoonchildProductions/Pale-Moon.git"
	EGIT_COMMIT="${PV}_Release"
	KEYWORDS="~amd64"
fi

RESTRICT="mirror"
LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
SLOT="0"
IUSE="
	cpu_flags_x86_sse
	cpu_flags_x86_sse2
	dbus
	+devtools
	debug
	gnome
	-gtk2
	+gtk3
	jemalloc
	pulseaudio
	-necko-wifi
	official-branding
	+optimize
	threads
	-valgrind
"
REQUIRED_USE="
	optimize? (
		!debug
	)
	jemalloc? (
		!valgrind
	)
	^^ (
		gtk2
		gtk3
	)
	necko-wifi? (
		dbus
	)
"

DEPEND="
	${PYTHON_DEPS}
	>=dev-lang/perl-5.6
	>=sys-devel/autoconf-2.13:2.1
	dev-lang/yasm
"
RDEPEND="
	app-arch/zip
	media-libs/alsa-lib
	media-libs/fontconfig
	media-libs/freetype
	virtual/ffmpeg[x264]
	x11-libs/libXt
	dbus? (
		>=sys-apps/dbus-0.60
		>=dev-libs/dbus-glib-0.60
	)
	gnome? (
		gnome-base/gconf
	)
	gtk2? (
		>=x11-libs/gtk+-2.18.0:2
	)
	gtk3? (
		>=x11-libs/gtk+-3.4.0:3
	)
	necko-wifi? (
		net-wireless/wireless-tools
	)
	pulseaudio? (
		media-sound/pulseaudio
	)
	valgrind? (
		dev-util/valgrind
	)
	optimize? (
		sys-libs/glibc
	)
"

src_prepare() {

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

	default
}

src_configure() {

	# Does not build with -fno-common
	filter-flags -fno-common
	append-flags -fcommon

	# Basic configuration:
	mozconfig_init

	mozconfig_disable updater install-strip accessibility

	if use official-branding; then
		official-branding_warning
		mozconfig_enable official-branding
	fi

	if use optimize; then
		O='-O2'
		if use cpu_flags_x86_sse && use cpu_flags_x86_sse2; then
			O="${O} -msse2 -mfpmath=sse"
		fi
		mozconfig_enable "optimize=\"${O}\""
		filter-flags '-O*' '-msse2' '-mfpmath=sse'
	else
		mozconfig_disable optimize
	fi

	if use threads; then
		mozconfig_with pthreads
	fi

	if use debug; then
		mozconfig_var MOZ_DEBUG_SYMBOLS 1
		mozconfig_enable "debug-symbols=\"-gdwarf-2\""
	fi

	if use jemalloc; then
		mozconfig_enable jemalloc
	fi

	if use valgrind; then
		mozconfig_enable valgrind
	fi

	if ! use dbus; then
		mozconfig_disable dbus
	fi

	if ! use gnome; then
		mozconfig_disable gconf
	fi

	if use gtk2; then
		mozconfig_enable default-toolkit=\"cairo-gtk2\"
	fi

	if use gtk3; then
		mozconfig_enable default-toolkit=\"cairo-gtk3\"
	fi

	if ! use necko-wifi; then
		mozconfig_disable necko-wifi
	fi

	if ! use pulseaudio; then
		mozconfig_disable pulseaudio
	fi

	if use devtools; then
		mozconfig_enable devtools
	fi

	# Enabling this causes xpcshell to hang during the packaging process,
	# so disabling it until the cause can be tracked down. It most likely
	# has something to do with the sandbox since the issue goes away when
	# building with FEATURES="-sandbox -usersandbox".
	mozconfig_disable precompiled-startupcache

	# Mainly to prevent system's NSS/NSPR from taking precedence over
	# the built-in ones:
	append-ldflags -Wl,-rpath="${EPREFIX}/usr/$(get_libdir)/palemoon"

	export MOZBUILD_STATE_PATH="${WORKDIR}/mach_state"
	mozconfig_var PYTHON "$(which python2)"
	mozconfig_var AUTOCONF "$(which autoconf-2.13)"
	mozconfig_var MOZ_MAKE_FLAGS "\"${MAKEOPTS}\""

	# Shorten obj dir to limit some errors linked to the path size hitting
	# a kernel limit (127 chars):
	mozconfig_var MOZ_OBJDIR "@TOPSRCDIR@/o"

	# Disable mach notifications, which also cause sandbox access violations:
	export MOZ_NOSPAM=1
}

src_compile() {

	# Prevents portage from setting its own XARGS which messes with the
	# Pale Moon build system checks:
	# See: https://gitweb.gentoo.org/proj/portage.git/tree/bin/isolated-functions.sh
	XARGS="$(which xargs)"
	export XARGS

	python2 "${S}/platform/mach" build || die
}

src_install() {

	# obj_dir changes depending on arch, compiler, etc:
	local obj_dir="$(echo */config.log)"
	obj_dir="${obj_dir%/*}"

	# Disable MPROTECT for startup cache creation:
	pax-mark m "${obj_dir}"/dist/bin/xpcshell

	# Set the backspace behaviour to be consistent with the other platforms:
	set_pref "browser.backspace_action" 0

	# Gotta create the package, unpack it and manually install the files
	# from there not to miss anything (e.g. the statusbar extension):
	einfo "Creating the package..."
	python2 "${S}/platform/mach" mozpackage || die
	local extracted_dir="${T}/package"
	mkdir -p "${extracted_dir}"
	cd "${extracted_dir}"
	einfo "Extracting the package..."
	find "${S}/${obj_dir}/dist/" -name "*.bz2" -printf "${S}/${obj_dir}/dist/%P" | xargs tar xjpf || die
	einfo "Installing the package..."
	local dest_libdir="/usr/$(get_libdir)"
	mkdir -p "${D}/${dest_libdir}"
	cp -rL "${PN}" "${D}/${dest_libdir}"
	dosym "${dest_libdir}/${PN}/${PN}" "/usr/bin/${PN}"
	einfo "Done installing the package."

	# Until JIT-less builds are supported,
	# also disable MPROTECT on the main executable:
	pax-mark m "${D}/${dest_libdir}/${PN}/"{palemoon,palemoon-bin,plugin-container}

	# Install icons and .desktop for menu entry:
	install_branding_files
}