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# Maintainer: Daniel Playfair Cal <daniel.playfair.cal@gmail.com>
# Contributor: Evangelos Foutras <evangelos@foutrelis.com>
# Contributor: Pierre Schmitz <pierre@archlinux.de>
# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>
# Contributor: Daniel J Griffiths <ghost1227@archlinux.us>

pkgname=chromium-dev-ozone
pkgver=81.0.4044.17
pkgrel=1
_launcher_ver=6
pkgdesc="Chromium built with patches for wayland support via Ozone (dev channel)"
arch=('x86_64')
url="https://www.chromium.org/Home"
options=(debug !strip)
license=('BSD')
depends=('gtk3' 'nss' 'alsa-lib' 'xdg-utils' 'libxss' 'libcups' 'libgcrypt'
         'ttf-font' 'systemd' 'dbus' 'libpulse' 'pciutils' 'json-glib' 'libva'
         'desktop-file-utils' 'hicolor-icon-theme')
provides=('chromium')
conflicts=('chromium')
makedepends=('python' 'python2' 'gperf' 'yasm' 'mesa' 'ninja' 'nodejs' 'git'
             'clang' 'lld' 'gn' 'java-runtime-headless')
optdepends=('pepper-flash: support for Flash content'
            'kdialog: needed for file dialogs in KDE'
            'org.freedesktop.secrets: password storage backend on GNOME / Xfce'
            'kwallet: for storing passwords in KWallet on KDE desktops')
install=chromium.install
source=(https://commondatastorage.googleapis.com/chromium-browser-official/chromium-$pkgver.tar.xz
        chromium-launcher-$_launcher_ver.tar.gz::https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver.tar.gz
        rename-Relayout-in-DesktopWindowTreeHostPlatform.patch
        rebuild-Linux-frame-button-cache-when-activation.patch
        chromium-widevine.patch
        chromium-skia-harmony.patch)
sha256sums=('c1e8493f02406c85315bba91618d151855a49ba4078002c3758862f5069d5e6f'
            '04917e3cd4307d8e31bfb0027a5dce6d086edb10ff8a716024fbb8bb0c7dccf1'
            'ae3bf107834bd8eda9a3ec7899fe35fde62e6111062e5def7d24bf49b53db3db'
            '46f7fc9768730c460b27681ccf3dc2685c7e1fd22d70d3a82d9e57e3389bb014'
            '709e2fddba3c1f2ed4deb3a239fc0479bfa50c46e054e7f32db4fb1365fed070'
            '771292942c0901092a402cc60ee883877a99fb804cb54d568c8c6c94565a48e1')

# Possible replacements are listed in build/linux/unbundle/replace_gn_files.py
# Keys are the names in the above script; values are the dependencies in Arch
declare -gA _system_libs=(
  [ffmpeg]=ffmpeg
  [flac]=flac
  [fontconfig]=fontconfig
  [freetype]=freetype2
  [harfbuzz-ng]=harfbuzz
  [icu]=icu
  [libdrm]=
  [libjpeg]=libjpeg
  #[libpng]=libpng            # https://crbug.com/752403#c10
  #[libvpx]=libvpx    # https://github.com/webmproject/libvpx/commit/5a0242ba5c
  [libwebp]=libwebp
  # [libxml]=libxml2
  [libxslt]=libxslt
  [opus]=opus
  [re2]=re2
  [snappy]=snappy
  [yasm]=
  [zlib]=minizip
)
_unwanted_bundled_libs=(
  ${!_system_libs[@]}
  ${_system_libs[libjpeg]+libjpeg_turbo}
)
depends+=(${_system_libs[@]})

# Google API keys (see https://www.chromium.org/developers/how-tos/api-keys)
# Note: These are for Arch Linux use ONLY. For your own distribution, please
# get your own set of keys.
_google_api_key=AIzaSyDwr302FpOSkGRpLlUpPThNTDPbXcIn_FM
_google_default_client_id=413772536636.apps.googleusercontent.com
_google_default_client_secret=0ZChLK6AxeA3Isu96MkwqDR4

# Branch point: 737173
# Extra commits related specifically to wayland support:

# These consist of the above commits and their dependencies
# generated with `git-deps -r -e <release tag> <commit>^! ...` (in reverse order)
_bugfix_patches=(
)

prepare() {
  cd "$srcdir/chromium-$pkgver"

  # Allow building against system libraries in official builds
  sed -i 's/OFFICIAL_BUILD/GOOGLE_CHROME_BUILD/' \
    tools/generate_shim_headers/generate_shim_headers.py

  # https://crbug.com/893950
  sed -i -e 's/\<xmlMalloc\>/malloc/' -e 's/\<xmlFree\>/free/' \
    third_party/blink/renderer/core/xml/*.cc \
    third_party/blink/renderer/core/xml/parser/xml_document_parser.cc \
    third_party/libxml/chromium/libxml_utils.cc

  # https://crbug.com/1049258
  patch -Np1 -i ../rename-Relayout-in-DesktopWindowTreeHostPlatform.patch
  patch -Np1 -i ../rebuild-Linux-frame-button-cache-when-activation.patch

  # Load bundled Widevine CDM if available (see chromium-widevine in the AUR)
  # M79 is supposed to download it as a component but it doesn't seem to work
  patch -Np1 -i ../chromium-widevine.patch

  # https://crbug.com/skia/6663#c10
  patch -Np0 -i ../chromium-skia-harmony.patch

  for PATCH in ${_bugfix_patches[@]}
  do
    echo "Applying $PATCH"
    patch -Np1 -i $srcdir/${PATCH}
  done

  # Force script incompatible with Python 3 to use /usr/bin/python2
  sed -i '1s|python$|&2|' third_party/dom_distiller_js/protoc_plugins/*.py

  mkdir -p third_party/node/linux/node-linux-x64/bin
  ln -s /usr/bin/node third_party/node/linux/node-linux-x64/bin/

  # Remove bundled libraries for which we will use the system copies; this
  # *should* do what the remove_bundled_libraries.py script does, with the
  # added benefit of not having to list all the remaining libraries
  local _lib
  for _lib in ${_unwanted_bundled_libs[@]}; do
    find "third_party/$_lib" -type f \
      \! -path "third_party/$_lib/chromium/*" \
      \! -path "third_party/$_lib/google/*" \
      \! -path 'third_party/yasm/run_yasm.py' \
      \! -regex '.*\.\(gn\|gni\|isolate\)' \
      -delete
  done

  python2 build/linux/unbundle/replace_gn_files.py \
    --system-libraries "${!_system_libs[@]}"

  python2 tools/clang/scripts/update.py
}

build() {
  make -C chromium-launcher-$_launcher_ver

  cd "$srcdir/chromium-$pkgver"

  local _flags=(
    'is_official_build=true' # implies is_cfi=true on x86_64
    'treat_warnings_as_errors=false'
    'fieldtrial_testing_like_official_build=true'
    'ffmpeg_branding="Chrome"'
    'proprietary_codecs=true'
    'link_pulseaudio=true'
    'use_gnome_keyring=false'
    'use_sysroot=false'
    'linux_use_bundled_binutils=false'
    'use_custom_libcxx=false'
    'enable_hangout_services_extension=true'
    'enable_widevine=true'
    'use_ozone=true'
    'ozone_platform_wayland=true'
    'ozone_platform_x11=true'
    'ozone_auto_platforms=false'
    'use_glib=true'
    'use_system_libwayland=true'
    'use_vaapi=false'
    'use_jumbo_build=false'
    'enable_nacl=false'
    'enable_swiftshader=false'
    "google_api_key=\"${_google_api_key}\""
    "google_default_client_id=\"${_google_default_client_id}\""
    "google_default_client_secret=\"${_google_default_client_secret}\""
  )

  if check_buildoption ccache y; then
    # Avoid falling back to preprocessor mode when sources contain time macros
    export CCACHE_SLOPPINESS=time_macros
    _flags+=('cc_wrapper="ccache"')
  fi

  if [[ -n ${_system_libs[icu]+set} ]]; then
    _flags+=('icu_use_data_file=false')
  fi

  if check_option strip y; then
    _flags+=('symbol_level=0')
  else
    _flags+=('symbol_level=1')
  fi

  gn gen out/Release --args="${_flags[*]}" --script-executable=/usr/bin/python2
  ninja -C out/Release chrome chrome_sandbox chromedriver
}

package() {
  cd chromium-launcher-$_launcher_ver
  make PREFIX=/usr DESTDIR="$pkgdir" install
  install -Dm644 LICENSE \
    "$pkgdir/usr/share/licenses/chromium/LICENSE.launcher"

  cd "$srcdir/chromium-$pkgver"

  install -D out/Release/chrome "$pkgdir/usr/lib/chromium/chromium"
  install -D out/Release/crashpad_handler "$pkgdir/usr/lib/chromium/crashpad_handler"
  install -Dm4755 out/Release/chrome_sandbox "$pkgdir/usr/lib/chromium/chrome-sandbox"
  ln -s /usr/lib/chromium/chromedriver "$pkgdir/usr/bin/chromedriver"

  install -Dm644 chrome/installer/linux/common/desktop.template \
    "$pkgdir/usr/share/applications/chromium.desktop"
  install -Dm644 chrome/app/resources/manpage.1.in \
    "$pkgdir/usr/share/man/man1/chromium.1"
  sed -i \
    -e "s/@@MENUNAME@@/Chromium/g" \
    -e "s/@@PACKAGE@@/chromium/g" \
    -e "s/@@USR_BIN_SYMLINK_NAME@@/chromium/g" \
    "$pkgdir/usr/share/applications/chromium.desktop" \
    "$pkgdir/usr/share/man/man1/chromium.1"

  cp \
    out/Release/{chrome_{100,200}_percent,resources}.pak \
    out/Release/{*.bin,chromedriver} \
    "$pkgdir/usr/lib/chromium/"
  install -Dm644 -t "$pkgdir/usr/lib/chromium/locales" out/Release/locales/*.pak

  if [[ -z ${_system_libs[icu]+set} ]]; then
    cp out/Release/icudtl.dat "$pkgdir/usr/lib/chromium/"
  fi

  for size in 24 48 64 128 256; do
    install -Dm644 "chrome/app/theme/chromium/product_logo_$size.png" \
      "$pkgdir/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
  done

  for size in 16 32; do
    install -Dm644 "chrome/app/theme/default_100_percent/chromium/product_logo_$size.png" \
      "$pkgdir/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
  done

  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/chromium/LICENSE"
}

# vim:set ts=2 sw=2 et: