#!/usr/bin/bash

# Run wayland compositor and set WAYLAND_DISPLAY env variable

set -x

echo export DESKTOP_SESSION=gnome > $HOME/.xsessionrc

echo export XDG_CURRENT_DESKTOP=GNOME > $HOME/.xsessionrc

echo export XDG_SESSION_TYPE=wayland >> $HOME/.xsessionrc

# Turn off the screen saver and screen locking

gsettings set org.gnome.desktop.screensaver idle-activation-enabled false

gsettings set org.gnome.desktop.screensaver lock-enabled false

gsettings set org.gnome.desktop.screensaver lock-delay 3600

# Disable the screen saver

# This starts the gnome-keyring-daemon with an unlocked login keyring. libsecret uses this to

# store secrets. Firefox uses libsecret to store a key that protects sensitive information like

# credit card numbers.

if test -z "$DBUS_SESSION_BUS_ADDRESS" ; then

    # if not found, launch a new one

    eval `dbus-launch --sh-syntax`

fi

eval `echo '' | /usr/bin/gnome-keyring-daemon -r -d --unlock --components=secrets`

if [ -z "$XDG_RUNTIME_DIR" ]; then

  export XDG_RUNTIME_DIR=$HOME

fi

export WAYLAND_DISPLAY=firefox-pgo-wayland-0

if [ -S "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY" ]; then

  rm -f $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY

  rm -f $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY.lock

fi

echo "Launch mutter for $WAYLAND_DISPLAY"

xvfb-run -s "-screen 0 1600x1200x24" mutter --nested --wayland --wayland-display=$WAYLAND_DISPLAY & MUTTER_PID=$!

export MUTTER_PID

echo "Mutter PID $MUTTER_PID"

echo "Waiting for mutter to start..."

sleep 5

retry_count=0

max_retries=5

until [ $retry_count -gt $max_retries ]; do

  if [ -S "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY" ]; then

    retry_count=$(($max_retries + 1))

  else

    retry_count=$(($retry_count + 1))

    echo "Waiting for Mutter, retry: $retry_count"

    sleep 2

  fi

done

if [ ! -S "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY" ]; then

  echo "Mutter failed to start!"

  exit 1

fi

echo "Mutter is running, $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY is here."