#!/bin/bash

#

#   a2ps-open based on xdg-open, see below

#

#   The changes are

#   Copyright 2009, Werner Fink <werner@suse.de>

#

#---------------------------------------------

#   xdg-open

#

#   Utility script to open a URL in the registered default application.

#

#   Refer to the usage() function below for usage.

#

#   Copyright 2006, Kevin Krammer <kevin.krammer@gmx.at>

#   Copyright 2006, Jeremy White <jwhite@codeweavers.com>

#

#   LICENSE:

#

#   Permission is hereby granted, free of charge, to any person obtaining a

#   copy of this software and associated documentation files (the "Software"),

#   to deal in the Software without restriction, including without limitation

#   the rights to use, copy, modify, merge, publish, distribute, sublicense,

#   and/or sell copies of the Software, and to permit persons to whom the

#   Software is furnished to do so, subject to the following conditions:

#

#   The above copyright notice and this permission notice shall be included

#   in all copies or substantial portions of the Software.

#

#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

#   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

#   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

#   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

#   OTHER DEALINGS IN THE SOFTWARE.

#

#---------------------------------------------

#--------------------------------------

# Checks for known desktop environments

# set variable DE to the desktop environments name, lowercase

DE=generic

detectDE()

{

    if test "$KDE_FULL_SESSION" = "true" ; then DE=kde;

    elif test -n "$GNOME_DESKTOP_SESSION_ID" ; then DE=gnome;

    elif xprop -root _DT_SAVE_MODE | grep ' = \"xfce4\"$' &>/dev/null ; then DE=xfce;

    fi

    case "$DE" in

    kde)    ;;

    gnome)  type -p kioclient &>/dev/null || DE=generic ;;

    xfce)   type -p exo-open &>/dev/null || DE=generic ;;

    esac

}

#----------------------------------------------------------------------------

# kfmclient exec/openURL can give bogus exit value in KDE <= 3.5.4

# It also always returns 1 in KDE 3.4 and earlier

# Simply return 0 in such case

kfmclient_fix_exit_code()

{

    local -i major minor release

    local IFS

    IFS=.

    read -t 1 major minor release < <(kde-config --version 2>/dev/null |

	sed -nr '/^KDE:/ {s/KDE:[[:blank:]]+([0-9]*\.[0-9]+\.[0-9]*).+/\1/p;}')

    ((major > 3))   && return $1

    ((minor > 5))   && return $1

    ((release > 4)) && return $1

    return 0

}

open_kde()

{

    if type -p kioclient &>/dev/null ; then

	kioclient exec ${1+"$@"}

    else

	kfmclient exec ${1+"$@"}

	kfmclient_fix_exit_code $?

    fi

    test $? -eq 0 || exit 1

}

open_gnome()

{

    gnome-open ${1+"$@"}

    test $? -eq 0 || exit 1

}

open_xfce()

{

    exo-open ${1+"$@"}

    test $? -eq 0 || exit 1

}

open_generic()

{

    gv ${1+"$@"}

    test $? -eq 0 || exit 1

}

detectDE

GS_DEVICE=x11alpha

GS_OPTIONS=-dNOPLATFONTS

export GS_DEVICE GS_OPTIONS

case "$DE" in

    kde)    open_kde	    ${1+"$@"} ;;

    gnome)  open_gnome	    ${1+"$@"} ;;

    xfce)   open_xfce	    ${1+"$@"} ;;

    *)	    open_generic    ${1+"$@"}

esac