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|
#!/bin/bash
# lightsOn.sh
# Copyright (c) 2011 iye.cba at gmail com
# url: https://github.com/iye/lightsOn
# This script is licensed under GNU GPL version 2.0 or above
# Description: Bash script that prevents the screensaver and display power
# management (DPMS) to be activated when you are watching Flash Videos
# fullscreen on Firefox and Chromium.
# Can detect mplayer and VLC when they are fullscreen too but I have disabled
# this by default.
# lightsOn.sh needs xscreensaver, kscreensaver or gnome-screensaver to work.
# HOW TO USE: Start the script with the number of seconds you want the checks
# for fullscreen to be done. Example:
# "./lightsOn.sh 120 &" will Check every 120 seconds if Mplayer,
# VLC, Firefox or Chromium are fullscreen and delay screensaver and Power Management if so.
# You want the number of seconds to be ~10 seconds less than the time it takes
# your screensaver or Power Management to activate.
# If you don't pass an argument, the checks are done every 50 seconds.
# Modify these variables if you want this script to detect if Mplayer,
# VLC or Firefox Flash Video are Fullscreen and disable
# xscreensaver/kscreensaver/gnome-screensaver and PowerManagement.
mplayer_detection=0
vlc_detection=0
firefox_flash_detection=1
chromium_flash_detection=1
html5_detection=1 #checks if the browser window is fullscreen; will disable the screensaver if the browser window is in fullscreen so it doesn't work correctly if you always use the browser (Firefox or Chromium) in fullscreen
# YOU SHOULD NOT NEED TO MODIFY ANYTHING BELOW THIS LINE
# enumerate all the attached screens
displays=""
while read id
do
displays="$displays $id"
done< <(xvinfo | sed -n 's/^screen #\([0-9]\+\)$/\1/p')
# Detect screensaver been used (xscreensaver, kscreensaver, gnome-screensaver or none)
if [ `pgrep -l xscreensaver | grep -wc xscreensaver` -ge 1 ];then
screensaver=xscreensaver
elif [ `pgrep -l gnome-screensav | grep -wc gnome-screensav` -ge 1 ];then
screensaver=gnome-screensav
elif [ `pgrep -l kscreensaver | grep -wc kscreensaver` -ge 1 ];then
screensaver=kscreensaver
else
screensaver=None
echo "No screensaver detected"
fi
checkFullscreen()
{
# loop through every display looking for a fullscreen window
for display in $displays
do
#get id of active window and clean output
activ_win_id=`DISPLAY=:0.${display} xprop -root _NET_ACTIVE_WINDOW`
#activ_win_id=${activ_win_id#*# } #gives error if xprop returns extra ", 0x0" (happens on some distros)
activ_win_id=${activ_win_id:40:9}
# Skip invalid window ids (commented as I could not reproduce a case
# where invalid id was returned, plus if id invalid
# isActivWinFullscreen will fail anyway.)
#if [ "$activ_win_id" = "0x0" ]; then
# continue
#fi
# Check if Active Window (the foremost window) is in fullscreen state
isActivWinFullscreen=`DISPLAY=:0.${display} xprop -id $activ_win_id | grep _NET_WM_STATE_FULLSCREEN`
if [[ "$isActivWinFullscreen" = *NET_WM_STATE_FULLSCREEN* ]];then
isAppRunning
var=$?
if [[ $var -eq 1 ]];then
delayScreensaver
fi
fi
done
}
# check if active windows is mplayer, vlc or firefox
#TODO only window name in the variable activ_win_id, not whole line.
#Then change IFs to detect more specifically the apps "<vlc>" and if process name exist
isAppRunning()
{
#Get title of active window
activ_win_title=`xprop -id $activ_win_id | grep "WM_CLASS(STRING)"` # I used WM_NAME(STRING) before, WM_CLASS more accurate.
# Check if user want to detect Video fullscreen on Firefox, modify variable firefox_flash_detection if you dont want Firefox detection
if [ $firefox_flash_detection == 1 ];then
if [[ "$activ_win_title" = *unknown* || "$activ_win_title" = *plugin-container* ]];then
# Check if plugin-container process is running
flash_process=`pgrep -l plugin-containe | grep -wc plugin-containe`
#(why was I using this line avobe? delete if pgrep -lc works ok)
#flash_process=`pgrep -lc plugin-containe`
if [[ $flash_process -ge 1 ]];then
return 1
fi
fi
fi
# Check if user want to detect Video fullscreen on Chromium, modify variable chromium_flash_detection if you dont want Chromium detection
if [ $chromium_flash_detection == 1 ];then
if [[ "$activ_win_title" = *exe* ]];then
# Check if Chromium Flash process is running
if [[ `pgrep -lfc "chromium-browser --type=plugin --plugin-path=/usr/lib/adobe-flashplugin"` -ge 1 || `pgrep -lfc "chromium-browser --type=plugin --plugin-path=/usr/lib/flashplugin-installer"` -ge 1 ]];then
return 1
fi
fi
fi
#html5 (Firefox or Chromium full-screen)
if [ $html5_detection == 1 ];then
if [[ "$activ_win_title" = *chromium-browser* || "$activ_win_title" = *Firefox* ]];then
#check if firefox or chromium is running.
if [[ `pgrep -l firefox | grep -wc firefox` -ge 1 || `pgrep -l chromium-browse | grep -wc chromium-browse` -ge 1 ]]; then
return 1
fi
fi
fi
#check if user want to detect mplayer fullscreen, modify variable mplayer_detection
if [ $mplayer_detection == 1 ];then
if [[ "$activ_win_title" = *mplayer* || "$activ_win_title" = *MPlayer* ]];then
#check if mplayer is running.
#mplayer_process=`pgrep -l mplayer | grep -wc mplayer`
mplayer_process=`pgrep -lc mplayer`
if [ $mplayer_process -ge 1 ]; then
return 1
fi
fi
fi
# Check if user want to detect vlc fullscreen, modify variable vlc_detection
if [ $vlc_detection == 1 ];then
if [[ "$activ_win_title" = *vlc* ]];then
#check if vlc is running.
#vlc_process=`pgrep -l vlc | grep -wc vlc`
vlc_process=`pgrep -lc vlc`
if [ $vlc_process -ge 1 ]; then
return 1
fi
fi
fi
return 0
}
delayScreensaver()
{
# reset inactivity time counter so screensaver is not started
if [ "$screensaver" == "xscreensaver" ]; then
#This tells xscreensaver to pretend that there has just been user activity. This means that if the screensaver is active (the screen is blanked), then this command will cause the screen to un-blank as if there had been keyboard or mouse activity. If the screen is locked, then the password dialog will pop up first, as usual. If the screen is not blanked, then this simulated user activity will re-start the countdown (so, issuing the -deactivate command periodically is one way to prevent the screen from blanking.)
xscreensaver-command -deactivate > /dev/null
elif [ "$screensaver" == "gnome-screensav" ]; then
dbus-send --session --type=method_call --dest=org.gnome.ScreenSaver --reply-timeout=20000 /org/gnome/ScreenSaver org.gnome.ScreenSaver.SimulateUserActivity > /dev/null
elif [ "$screensaver" == "kscreensaver" ]; then
qdbus org.freedesktop.ScreenSaver /ScreenSaver SimulateUserActivity > /dev/null
fi
#Check if DPMS is on. If it is, deactivate and reactivate again. If it is not, do nothing.
dpmsStatus=`xset -q | grep -ce 'DPMS is Enabled'`
if [ $dpmsStatus == 1 ];then
xset -dpms
xset dpms
fi
}
delay=$1
# If argument empty, use 50 seconds as default.
if [ -z "$1" ];then
delay=50
fi
# If argument is not integer quit.
if [[ $1 = *[^0-9]* ]]; then
echo "The Argument \"$1\" is not valid, not an integer"
echo "Please use the time in seconds you want the checks to repeat."
echo "You want it to be ~10 seconds less than the time it takes your screensaver or DPMS to activate"
exit 1
fi
while true
do
checkFullscreen
sleep $delay
done
exit 0
|
