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

EAPI=6
GNOME2_LA_PUNT="yes"
PYTHON_COMPAT=( python{3_4,3_5} )

inherit autotools gnome2 multilib pax-utils python-r1 systemd

DESCRIPTION="Provides core UI functions for the GNOME 3 desktop"
HOMEPAGE="https://wiki.gnome.org/Projects/GnomeShell"

LICENSE="GPL-2+ LGPL-2+"
SLOT="0"
IUSE="+bluetooth +ibus +networkmanager nsplugin -openrc-force"
REQUIRED_USE="${PYTHON_REQUIRED_USE}"

KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~x86"

# libXfixes-5.0 needed for pointer barriers
# FIXME:
#  * gstreamer support is currently automagic
COMMON_DEPEND="
	>=app-accessibility/at-spi2-atk-2.5.3
	>=dev-libs/atk-2[introspection]
	>=app-crypt/gcr-3.7.5[introspection]
	>=dev-libs/glib-2.45.3:2[dbus]
	>=dev-libs/gjs-1.39
	>=dev-libs/gobject-introspection-1.49.1:=
	dev-libs/libical:=
	>=x11-libs/gtk+-3.15.0:3[introspection]
	>=dev-libs/libcroco-0.6.8:0.6
	>=gnome-base/gnome-desktop-3.7.90:3=[introspection]
	>=gnome-base/gsettings-desktop-schemas-3.21.3
	>=gnome-extra/evolution-data-server-3.17.2:=
	>=media-libs/gstreamer-0.11.92:1.0
	>=net-im/telepathy-logger-0.2.4[introspection]
	>=net-libs/telepathy-glib-0.19[introspection]
	>=sys-auth/polkit-0.100[introspection]
	>=x11-libs/libXfixes-5.0
	x11-libs/libXtst
	>=x11-wm/mutter-3.22.1[introspection]
	>=x11-libs/startup-notification-0.11

	${PYTHON_DEPS}
	dev-python/pygobject:3[${PYTHON_USEDEP}]

	dev-libs/dbus-glib
	dev-libs/libxml2:2
	media-libs/libcanberra[gtk3]
	media-libs/mesa
	>=media-sound/pulseaudio-2
	>=net-libs/libsoup-2.40:2.4[introspection]
	x11-libs/libX11
	x11-libs/gdk-pixbuf:2[introspection]

	x11-apps/mesa-progs

	bluetooth? ( >=net-wireless/gnome-bluetooth-3.9[introspection] )
	networkmanager? (
		app-crypt/libsecret
		>=gnome-extra/nm-applet-0.9.8
		>=net-misc/networkmanager-0.9.8:=[introspection] )
	nsplugin? ( >=dev-libs/json-glib-0.13.2 )
"
# Runtime-only deps are probably incomplete and approximate.
# Introspection deps generated using:
#  grep -roe "imports.gi.*" gnome-shell-* | cut -f2 -d: | sort | uniq
# Each block:
# 1. Introspection stuff needed via imports.gi.*
# 2. gnome-session is needed for gnome-session-quit
# 3. Control shell settings
# 4. Systemd needed for suspending support
# 5. xdg-utils needed for xdg-open, used by extension tool
# 6. adwaita-icon-theme and dejavu font neeed for various icons & arrows
# 7. mobile-broadband-provider-info, timezone-data for shell-mobile-providers.c
# 8. IBus is needed for nls integration
RDEPEND="${COMMON_DEPEND}
	app-accessibility/at-spi2-core:2[introspection]
	>=app-accessibility/caribou-0.4.8
	dev-libs/libgweather:2[introspection]
	>=sys-apps/accountsservice-0.6.14[introspection]
	>=sys-power/upower-0.99:=[introspection]
	x11-libs/pango[introspection]

	>=gnome-base/gnome-session-2.91.91
	>=gnome-base/gnome-settings-daemon-3.8.3

	!openrc-force? ( >=sys-apps/systemd-31 )

	x11-misc/xdg-utils

	media-fonts/dejavu
	>=x11-themes/adwaita-icon-theme-3.19.90

	networkmanager? (
		net-misc/mobile-broadband-provider-info
		sys-libs/timezone-data )
	ibus? ( >=app-i18n/ibus-1.4.99[dconf(+),gtk3,introspection] )
"
# avoid circular dependency, see bug #546134
PDEPEND="
	>=gnome-base/gdm-3.5[introspection]
	>=gnome-base/gnome-control-center-3.8.3[bluetooth(+)?,networkmanager(+)?]
"
DEPEND="${COMMON_DEPEND}
	dev-libs/libxslt
	>=dev-util/gdbus-codegen-2.45.3
	>=dev-util/gtk-doc-am-1.17
	gnome-base/gnome-common
	>=sys-devel/gettext-0.19.6
	virtual/pkgconfig
	!!=dev-lang/spidermonkey-1.8.2*
"
# libmozjs.so is picked up from /usr/lib while compiling, so block at build-time
# https://bugs.gentoo.org/show_bug.cgi?id=360413

src_prepare() {
	# Change favorites defaults, bug #479918
	eapply "${FILESDIR}"/${PN}-3.22.0-defaults.patch

	# Fix automagic gnome-bluetooth dep, bug #398145
	eapply "${FILESDIR}"/${PN}-3.12-bluetooth-flag.patch

	# Add missing path to libmutter-clutter when building .gir, bug #597842
	eapply "${FILESDIR}"/${PN}-3.22.0-gir-build-fix.patch

	eautoreconf
	gnome2_src_prepare
}

src_configure() {
	# Do not error out on warnings
	gnome2_src_configure \
		--enable-man \
		$(use_enable !openrc-force systemd) \
		$(use_with bluetooth) \
		$(use_enable networkmanager) \
		$(use_enable nsplugin browser-plugin) \
		BROWSER_PLUGIN_DIR="${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins
}

src_install() {
	gnome2_src_install
	python_replicate_script "${ED}/usr/bin/gnome-shell-extension-tool"
	python_replicate_script "${ED}/usr/bin/gnome-shell-perf-tool"

	# Required for gnome-shell on hardened/PaX, bug #398941
	# Future-proof for >=spidermonkey-1.8.7 following polkit's example
	if has_version '<dev-lang/spidermonkey-1.8.7'; then
		pax-mark mr "${ED}usr/bin/gnome-shell"{,-extension-prefs}
	elif has_version '>=dev-lang/spidermonkey-1.8.7[jit]'; then
		pax-mark m "${ED}usr/bin/gnome-shell"{,-extension-prefs}
	# Required for gnome-shell on hardened/PaX #457146 and #457194
	# PaX EMUTRAMP need to be on
	elif has_version '>=dev-libs/libffi-3.0.13[pax_kernel]'; then
		pax-mark E "${ED}usr/bin/gnome-shell"{,-extension-prefs}
	else
		pax-mark m "${ED}usr/bin/gnome-shell"{,-extension-prefs}
	fi
}

pkg_postinst() {
	gnome2_pkg_postinst

	if ! has_version 'media-libs/gst-plugins-good:1.0' || \
	   ! has_version 'media-plugins/gst-plugins-vpx:1.0'; then
		ewarn "To make use of GNOME Shell's built-in screen recording utility,"
		ewarn "you need to either install media-libs/gst-plugins-good:1.0"
		ewarn "and media-plugins/gst-plugins-vpx:1.0, or use dconf-editor to change"
		ewarn "apps.gnome-shell.recorder/pipeline to what you want to use."
	fi

	if has_version "<x11-drivers/ati-drivers-12"; then
		ewarn "GNOME Shell has been reported to show graphical corruption under"
		ewarn "x11-drivers/ati-drivers-11.*; you may want to switch to open-source"
		ewarn "drivers."
	fi

	if ! has_version "media-libs/mesa[llvm]"; then
		elog "llvmpipe is used as fallback when no 3D acceleration"
		elog "is available. You will need to enable llvm USE for"
		elog "media-libs/mesa."
	fi

	# https://bugs.gentoo.org/show_bug.cgi?id=563084
	if has_version "x11-drivers/nvidia-drivers[-kms]"; then
		ewarn "You will need to enable kms support in x11-drivers/nvidia-drivers,"
		ewarn "otherwise Gnome will fail to start"
	fi

	if ! systemd_is_booted; then
		ewarn "${PN} needs Systemd to be *running* for working"
		ewarn "properly. Please follow this guide to migrate:"
		ewarn "https://wiki.gentoo.org/wiki/Systemd"
	fi

	if use openrc-force; then
		ewarn "You are enabling 'openrc-force' USE flag to skip systemd requirement,"
		ewarn "this can lead to unexpected problems and is not supported neither by"
		ewarn "upstream neither by Gnome Gentoo maintainers. If you suffer any problem,"
		ewarn "you will need to disable this USE flag system wide and retest before"
		ewarn "opening any bug report."
	fi
}