name: telegram-desktop
adopt-info: telegram
icon: Telegram/Resources/art/icon512@2x.png

base: core20
grade: stable
confinement: strict

architectures:
  - build-on: amd64
  - build-on: arm64
  - build-on: armhf
  - build-on: ppc64el

apps:
  telegram-desktop:
    command: bin/desktop-launch telegram-desktop
    common-id: org.telegram.desktop
    desktop: usr/share/applications/telegram-desktop_telegram-desktop.desktop
    environment:
      # Use GTK3 cursor theme, icon theme and open/save file dialogs.
      QT_QPA_PLATFORMTHEME: gtk3
    plugs:
      - alsa
      - audio-playback
      - audio-record
      - camera
      - desktop
      - desktop-legacy
      - home
      - network
      - network-manager-observe
      - opengl
      - pulseaudio
      - removable-media
      - unity7
      - wayland
      - x11

plugs:
  # Support for common GTK themes
  # https://forum.snapcraft.io/t/how-to-use-the-system-gtk-theme-via-the-gtk-common-themes-snap/6235
  gsettings:
  gtk-3-themes:
    interface: content
    target: $SNAP/data-dir/themes
    default-provider: gtk-common-themes
  icon-themes:
    interface: content
    target: $SNAP/data-dir/icons
    default-provider: gtk-common-themes
  sound-themes:
    interface: content
    target: $SNAP/data-dir/sounds
    default-provider: gtk-common-themes

layout:
  /usr/share/alsa:
    bind: $SNAP/usr/share/alsa
  /usr/share/X11:
    bind: $SNAP/usr/share/X11

parts:
  telegram:
    plugin: cmake
    source: .
    source-type: git
    parse-info: [usr/share/metainfo/telegram-desktop_telegram-desktop.appdata.xml]
    build-environment:
      - LD_LIBRARY_PATH: $SNAPCRAFT_STAGE/usr/lib
      - tg_owt_DIR: $SNAPCRAFT_STAGE/tg_owt
    build-packages:
      - python
      - qtbase5-private-dev
      - libasound2-dev
      - libglib2.0-dev
      - libgtk-3-dev
      - liblzma-dev
      - libopus-dev
      - libpulse-dev
      - libqt5svg5-dev
      - libqt5waylandclient5-dev
      - libssl-dev
      - libxcb1-dev
      - libxcb-screensaver0-dev
      - zlib1g-dev
    stage-packages:
      - qt5-image-formats-plugins
      - qtwayland5
      - libasound2
      - libgtk-3-0
      - liblzma5
      - libopus0
      - libpulse0
      - libqt5svg5
      - libqt5waylandclient5
      - libssl1.1
      - libxcb1
      - libxcb-screensaver0
      - zlib1g
    cmake-parameters:
      - -DCMAKE_BUILD_TYPE=Release
      - -DCMAKE_INSTALL_PREFIX=/usr
      - -DTDESKTOP_API_ID=611335
      - -DTDESKTOP_API_HASH=d524b414d21f4d37f08684c1df41ac9c
      - -DDESKTOP_APP_USE_PACKAGED_LAZY=ON
      - -DDESKTOP_APP_QTWAYLANDCLIENT_PRIVATE_HEADERS=$SNAPCRAFT_STAGE/usr/include/$SNAPCRAFT_ARCH_TRIPLET/qt5/QtWaylandClient/5.12.8
      - -DTDESKTOP_LAUNCHER_BASENAME=telegram-desktop_telegram-desktop
    override-pull: |
      snapcraftctl pull

      version_file=Telegram/build/version
      version=$(sed -n "s/AppVersionStr[ ]\+\(.*\)\+/\1/p" $version_file)
      beta=$(sed -n "s/BetaChannel[ ]\+\(.*\)\+/\1/p" $version_file)

      if [ "$beta" != "0" ]; then
        version="$version-beta"
      fi

      version="${version}$(git describe --tags | sed 's,^v[^-]\+,,')"

      snapcraftctl set-version "$version"

      sed -i 's|^Icon=.*|Icon=/usr/share/icons/hicolor/512x512/apps/telegram.png|g' lib/xdg/telegramdesktop.desktop
    after:
      - desktop-qt5
      - ffmpeg
      - openal
      - qtwayland
      - webrtc

  desktop-qt5:
    source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
    source-subdir: qt
    plugin: make
    make-parameters: ["FLAVOR=qt5"]
    build-packages:
      - build-essential
      - qtbase5-dev
      - dpkg-dev
    stage-packages:
      - libxkbcommon0
      - ttf-ubuntu-font-family
      - dmz-cursor-theme
      - light-themes
      - adwaita-icon-theme
      - gnome-themes-standard
      - shared-mime-info
      - libqt5gui5
      - libgdk-pixbuf2.0-0
      - libqt5svg5 # for loading icon themes which are svg
      - try: [appmenu-qt5] # not available on core18
      - locales-all
      - xdg-user-dirs
      - fcitx-frontend-qt5

  qt5-xdgdesktopportal-platform:
    plugin: nil
    stage-packages:
      - qt5-xdgdesktopportal-platformtheme

  # Qt checks that ibus-daemon binary is present, otherwise doesn't work
  ibus:
    plugin: nil
    stage-packages:
      - ibus

  ffmpeg:
    plugin: nil
    build-packages:
      - libavcodec-dev
      - libavformat-dev
      - libavutil-dev
      - libswresample-dev
      - libswscale-dev
    stage-packages:
      - libavcodec58
      - libavformat58
      - libavutil56
      - libswresample3
      - libswscale5

  openal:
    source: https://github.com/kcat/openal-soft.git
    source-depth: 1
    source-tag: openal-soft-1.20.1
    plugin: cmake
    build-packages:
      - libasound2-dev
      - libpulse-dev
      - libsndio-dev
      - portaudio19-dev
    stage-packages:
      - libasound2
      - libpulse0
      - libportaudio2
      - libsndio7.0
    cmake-parameters:
      - -DCMAKE_BUILD_TYPE=Release
      - -DCMAKE_INSTALL_PREFIX=/usr
      - -DALSOFT_EXAMPLES=OFF
      - -DALSOFT_TESTS=OFF
      - -DALSOFT_UTILS=OFF
      - -DALSOFT_CONFIG=OFF
    prime:
      - -./usr/include
      - -./usr/lib/cmake
      - -./usr/lib/pkgconfig

  qtwayland:
    source: https://github.com/qt/qtwayland.git
    source-depth: 1
    source-tag: v5.12.8
    plugin: dump
    override-build: |
      qmake
      make -j$(nproc)
      make INSTALL_ROOT="$SNAPCRAFT_PART_INSTALL" install
    stage: [-./usr/lib]
    prime: [-./*]
    after:
      - desktop-qt5

  webrtc:
    source: https://github.com/desktop-app/tg_owt.git
    source-depth: 1
    plugin: cmake
    build-packages:
      - yasm
      - libjpeg8-dev
      - libopus-dev
      - libssl-dev
    stage-packages:
      - libjpeg8
      - libopus0
      - libssl1.1
    override-build: |
      cmake "$SNAPCRAFT_PART_SRC" -DCMAKE_BUILD_TYPE=Release
      cmake --build . -- -j$(nproc)
      cp -a . "$SNAPCRAFT_PART_INSTALL"
    organize:
      "*": tg_owt/
    prime: [-./*]
    after:
      - ffmpeg