# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/www-client/chromium/chromium-10.0.648.205.ebuild,v 1.1 2011/04/14 19:48:45 phajdan.jr Exp $

EAPI="3"
PYTHON_DEPEND="2:2.6"

inherit eutils flag-o-matic multilib pax-utils portability python \
	toolchain-funcs versionator virtualx

DESCRIPTION="Open-source version of Google Chrome web browser"
HOMEPAGE="http://chromium.org/"
SRC_URI="http://build.chromium.org/buildbot/official/${P}.tar.bz2"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~arm ~x86"
IUSE="cups +gecko-mediaplayer gnome gnome-keyring"

RDEPEND="app-arch/bzip2
	dev-libs/dbus-glib
	>=dev-libs/icu-4.4.1
	>=dev-libs/libevent-1.4.13
	dev-libs/libxml2[icu]
	dev-libs/libxslt
	>=dev-libs/nss-3.12.3
	gnome? ( >=gnome-base/gconf-2.24.0 )
	gnome-keyring? ( >=gnome-base/gnome-keyring-2.28.2 )
	>=media-libs/alsa-lib-1.0.19
	media-libs/flac
	virtual/jpeg
	media-libs/libpng
	>=media-libs/libvpx-0.9.5
	media-libs/speex
	>=media-video/ffmpeg-0.6_p25767[threads]
	cups? ( >=net-print/cups-1.3.11 )
	sys-libs/zlib
	x11-libs/gtk+:2
	x11-libs/libXScrnSaver
	x11-libs/libXtst"
DEPEND="${RDEPEND}
	dev-lang/perl
	>=dev-util/gperf-3.0.3
	>=dev-util/pkgconfig-0.23
	sys-devel/flex
	>=sys-devel/make-3.81-r2"
RDEPEND+="
	x11-misc/xdg-utils
	virtual/ttf-fonts
	gecko-mediaplayer? ( !www-plugins/gecko-mediaplayer[gnome] )"

egyp() {
	set -- build/gyp_chromium --depth=. "${@}"
	echo "${@}" >&2
	"${@}"
}

pkg_setup() {
	CHROMIUM_HOME="/usr/$(get_libdir)/chromium-browser"

	# Make sure the build system will use the right tools, bug #340795.
	tc-export AR CC CXX RANLIB

	# Make sure the build system will use the right python, bug #344367.
	python_set_active_version 2
	python_pkg_setup

	# Prevent user problems like bug #299777.
	if ! grep -q /dev/shm <<< $(get_mounts); then
		ewarn "You don't have tmpfs mounted at /dev/shm."
		ewarn "${PN} may fail to start in that configuration."
		ewarn "Please uncomment the /dev/shm entry in /etc/fstab,"
		ewarn "and run 'mount /dev/shm'."
	fi
	if [ `stat -c %a /dev/shm` -ne 1777 ]; then
		ewarn "/dev/shm does not have correct permissions."
		ewarn "${PN} may fail to start in that configuration."
		ewarn "Please run 'chmod 1777 /dev/shm'."
	fi

	# Prevent user problems like bug #348235.
	eshopts_push -s extglob
	if is-flagq '-g?(gdb)?([1-9])'; then
		ewarn "You have enabled debug info (probably have -g or -ggdb in your \$C{,XX}FLAGS)."
		ewarn "You may experience really long compilation times and/or increased memory usage."
		ewarn "If compilation fails, please try removing -g{,gdb} before reporting a bug."
	fi
	eshopts_pop
}

src_prepare() {
	# Enable optional support for gecko-mediaplayer.
	epatch "${FILESDIR}"/${PN}-gecko-mediaplayer-r1.patch

	# Make sure we don't use bundled libvpx headers.
	epatch "${FILESDIR}"/${PN}-system-vpx-r2.patch

	# Make sure we don't use bundled FLAC.
	epatch "${FILESDIR}"/${PN}-system-flac-r0.patch

	# Fix build, http://crbug.com/70606.
	epatch "${FILESDIR}"/${PN}-webkit-version.patch

	# Remove most bundled libraries. Some are still needed.
	find third_party -type f \! -iname '*.gyp*' \
		\! -path 'third_party/WebKit/*' \
		\! -path 'third_party/angle/*' \
		\! -path 'third_party/cacheinvalidation/*' \
		\! -path 'third_party/cld/*' \
		\! -path 'third_party/expat/*' \
		\! -path 'third_party/ffmpeg/*' \
		\! -path 'third_party/flac/flac.h' \
		\! -path 'third_party/gpsd/*' \
		\! -path 'third_party/harfbuzz/*' \
		\! -path 'third_party/hunspell/*' \
		\! -path 'third_party/iccjpeg/*' \
		\! -path 'third_party/libjingle/*' \
		\! -path 'third_party/libsrtp/*' \
		\! -path 'third_party/libwebp/*' \
		\! -path 'third_party/mesa/*' \
		\! -path 'third_party/modp_b64/*' \
		\! -path 'third_party/npapi/*' \
		\! -path 'third_party/openmax/*' \
		\! -path 'third_party/ots/*' \
		\! -path 'third_party/protobuf/*' \
		\! -path 'third_party/skia/*' \
		\! -path 'third_party/speex/speex.h' \
		\! -path 'third_party/sqlite/*' \
		\! -path 'third_party/tcmalloc/*' \
		\! -path 'third_party/undoview/*' \
		\! -path 'third_party/zlib/contrib/minizip/*' \
		-delete || die

	# Provide our own gyp file to use system flac.
	# TODO: move this upstream.
	cp "${FILESDIR}/flac.gyp" "third_party/flac" || die

	# Make sure the build system will use the right python, bug #344367.
	# Only convert directories that need it, to save time.
	python_convert_shebangs -q -r 2 build tools
}

src_configure() {
	local myconf=""

	# Never tell the build system to "enable" SSE2, it has a few unexpected
	# additions, bug #336871.
	myconf+=" -Ddisable_sse2=1"

	# Use system-provided libraries.
	# TODO: use_system_hunspell (upstream changes needed).
	# TODO: use_system_ssl (need to consult upstream).
	myconf+="
		-Duse_system_bzip2=1
		-Duse_system_ffmpeg=1
		-Duse_system_icu=1
		-Duse_system_libevent=1
		-Duse_system_libjpeg=1
		-Duse_system_libpng=1
		-Duse_system_libxml=1
		-Duse_system_speex=1
		-Duse_system_vpx=1
		-Duse_system_xdg_utils=1
		-Duse_system_zlib=1"

	# The dependency on cups is optional, see bug #324105.
	if use cups; then
		myconf+=" -Duse_cups=1"
	else
		myconf+=" -Duse_cups=0"
	fi

	# Make GConf dependency optional, http://crbug.com/13322.
	if use gnome; then
		myconf+=" -Duse_gconf=1"
	else
		myconf+=" -Duse_gconf=0"
	fi

	if use "gnome-keyring"; then
		myconf+=" -Duse_gnome_keyring=1 -Dlinux_link_gnome_keyring=1"
	else
		# TODO: we should also disable code trying to dlopen
		# gnome-keyring in that case.
		myconf+=" -Duse_gnome_keyring=0 -Dlinux_link_gnome_keyring=0"
	fi

	# Enable sandbox.
	myconf+="
		-Dlinux_sandbox_path=${CHROMIUM_HOME}/chrome_sandbox
		-Dlinux_sandbox_chrome_path=${CHROMIUM_HOME}/chrome"

	if host-is-pax; then
		# Prevent the build from failing (bug #301880). The performance
		# difference is very small.
		myconf+=" -Dv8_use_snapshot=0"
	fi

	if use gecko-mediaplayer; then
		# Disable hardcoded blacklist for gecko-mediaplayer.
		# When www-plugins/gecko-mediaplayer is compiled with USE=gnome, it causes
		# the browser to hang. We can handle the situation via dependencies,
		# thus making it possible to use gecko-mediaplayer.
		append-flags -DGENTOO_CHROMIUM_ENABLE_GECKO_MEDIAPLAYER
	fi

	# Our system ffmpeg should support more codecs than the bundled one
	# for Chromium.
	myconf+=" -Dproprietary_codecs=1"

	# Use target arch detection logic from bug #296917.
	local myarch="$ABI"
	[[ $myarch = "" ]] && myarch="$ARCH"

	if [[ $myarch = amd64 ]] ; then
		myconf+=" -Dtarget_arch=x64"
	elif [[ $myarch = x86 ]] ; then
		myconf+=" -Dtarget_arch=ia32"
	elif [[ $myarch = arm ]] ; then
		# TODO: check this again after
		# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39509 is fixed.
		append-flags -fno-tree-sink

		myconf+=" -Dtarget_arch=arm -Ddisable_nacl=1 -Dlinux_use_tcmalloc=0"
	else
		die "Failed to determine target arch, got '$myarch'."
	fi

	# Make sure that -Werror doesn't get added to CFLAGS by the build system.
	# Depending on GCC version the warnings are different and we don't want
	# the build to fail because of that.
	myconf+=" -Dwerror="

	# Avoid a build error with -Os, bug #352457.
	replace-flags "-Os" "-O2"

	egyp ${myconf} || die
}

src_compile() {
	emake chrome chrome_sandbox BUILDTYPE=Release V=1 || die
	pax-mark m out/Release/chrome
	if use test; then
		emake base_unittests BUILDTYPE=Release V=1 || die
		pax-mark m out/Release/base_unittests
	fi
}

src_test() {
	# For more info see bug #350349.
	local mylocale='en_US.utf8'
	if ! locale -a | grep -q "$mylocale"; then
		eerror "${PN} requires ${mylocale} locale for tests"
		eerror "Please read the following guides for more information:"
		eerror "  http://www.gentoo.org/doc/en/guide-localization.xml"
		eerror "  http://www.gentoo.org/doc/en/utf-8.xml"
		die "locale ${mylocale} is not supported"
	fi

	# For more info see bug #350347.
	LC_ALL="${mylocale}" VIRTUALX_COMMAND=out/Release/base_unittests virtualmake \
		'--gtest_filter=-ICUStringConversionsTest.*'
}

src_install() {
	exeinto "${CHROMIUM_HOME}"
	doexe out/Release/chrome
	doexe out/Release/chrome_sandbox || die
	fperms 4755 "${CHROMIUM_HOME}/chrome_sandbox"
	doexe "${FILESDIR}"/chromium-launcher.sh || die

	insinto "${CHROMIUM_HOME}"
	doins out/Release/chrome.pak || die
	doins out/Release/resources.pak || die

	doins -r out/Release/locales || die
	doins -r out/Release/resources || die

	# chrome.1 is for chromium --help
	newman out/Release/chrome.1 chrome.1 || die
	newman out/Release/chrome.1 chromium.1 || die

	# Chromium looks for these in its folder
	# See media_posix.cc and base_paths_linux.cc
	dosym /usr/$(get_libdir)/libavcodec.so.52 "${CHROMIUM_HOME}" || die
	dosym /usr/$(get_libdir)/libavformat.so.52 "${CHROMIUM_HOME}" || die
	dosym /usr/$(get_libdir)/libavutil.so.50 "${CHROMIUM_HOME}" || die

	# Install icon and desktop entry.
	newicon chrome/app/theme/chromium/product_logo_48.png ${PN}-browser.png || die
	dosym "${CHROMIUM_HOME}/chromium-launcher.sh" /usr/bin/chromium || die
	make_desktop_entry chromium "Chromium" ${PN}-browser "Network;WebBrowser" \
		"MimeType=text/html;text/xml;application/xhtml+xml;"
	sed -e "/^Exec/s/$/ %U/" -i "${D}"/usr/share/applications/*.desktop || die

	# Install GNOME default application entry (bug #303100).
	if use gnome; then
		dodir /usr/share/gnome-control-center/default-apps || die
		insinto /usr/share/gnome-control-center/default-apps
		doins "${FILESDIR}"/chromium.xml || die
	fi
}

pkg_postinst() {
	# For more info see bug #292201, bug #352263, bug #361859.
	elog
	elog "Depending on your desktop environment, you may need"
	elog "to install additional packages to get icons on the Downloads page."
	elog
	elog "For KDE, the required package is kde-base/oxygen-icons."
	elog
	elog "For other desktop environments, try one of the following:"
	elog " - x11-themes/gnome-icon-theme"
	elog " - x11-themes/tango-icon-theme"

	# For more info see bug #359153.
	elog
	elog "Some web pages may require additional fonts to display properly."
	elog "Try installing some of the following packages if some characters"
	elog "are not displayed properly:"
	elog " - media-fonts/arphicfonts"
	elog " - media-fonts/bitstream-cyberbit"
	elog " - media-fonts/droid"
	elog " - media-fonts/ipamonafont"
	elog " - media-fonts/ja-ipafonts"
	elog " - media-fonts/takao-fonts"
	elog " - media-fonts/wqy-microhei"
	elog " - media-fonts/wqy-zenhei"
}