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reterminal-dm4/emmc-provisioning/cloud-init/start-chromium.sh

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#!/bin/bash
# Disable keyring prompts
export GNOME_KEYRING_CONTROL=""
# Prefer Wayland when available so touch long-press produces right-click (context menu)
# like the rest of the desktop. X11/XWayland does not get that behavior for Chromium.
USE_WAYLAND=0
if [ -n "$WAYLAND_DISPLAY" ] && [ -S "${XDG_RUNTIME_DIR:-/run/user/$(id -u)}/$WAYLAND_DISPLAY" ]; then
USE_WAYLAND=1
fi
if [ "$USE_WAYLAND" -eq 1 ]; then
# Native Wayland: fullscreen + touch-friendly (long-press = right-click)
export GDK_BACKEND=wayland
# Wait for compositor
for i in {1..60}; do
if [ -S "${XDG_RUNTIME_DIR:-/run/user/$(id -u)}/$WAYLAND_DISPLAY" ]; then
pgrep -x labwc >/dev/null 2>&1 && break
fi
sleep 0.5
done
sleep 3
/usr/bin/chromium --start-fullscreen --noerrdialogs --disable-infobars --disable-session-crashed-bubble --disable-restore-session-state --no-first-run --password-store=basic --use-mock-keychain --ozone-platform=wayland --enable-features=WaylandWindowDecorations --disable-features=UseChromeOSDirectVideoDecoder --app=http://127.0.0.1:8080 &
else
# Fallback: X11 (e.g. no Wayland session)
export DISPLAY=:0
export GDK_BACKEND=x11
unset WAYLAND_DISPLAY
for i in {1..60}; do
if xset q >/dev/null 2>&1 || [ -n "$DISPLAY" ]; then
if pgrep -x pcmanfm >/dev/null 2>&1 || pgrep -x lxsession >/dev/null 2>&1 || pgrep -x xfdesktop >/dev/null 2>&1; then
break
fi
fi
sleep 0.5
done
sleep 5
/usr/bin/chromium --start-fullscreen --noerrdialogs --disable-infobars --disable-session-crashed-bubble --disable-restore-session-state --no-first-run --password-store=basic --use-mock-keychain --ozone-platform=x11 --disable-features=UseChromeOSDirectVideoDecoder --app=http://127.0.0.1:8080 &
sleep 3
for i in {1..10}; do
WINDOW_ID=$(wmctrl -l 2>/dev/null | grep -i chromium | head -1 | awk '{print $1}')
if [ -n "$WINDOW_ID" ]; then
wmctrl -i -r "$WINDOW_ID" -b add,fullscreen 2>/dev/null
break
fi
sleep 0.5
done
fi
# Keep script running
wait
# Kiosk mode (commented out - uncomment to use instead of fullscreen)
# /usr/bin/chromium --kiosk --noerrdialogs --disable-infobars --disable-session-crashed-bubble --disable-restore-session-state --no-first-run --password-store=basic --use-mock-keychain --ozone-platform=x11 --app=http://127.0.0.1:8080