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/*
* Copyright 2012 Jiří Janoušek <janousek.jiri@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
string prog_name;
MPRISPlayer player;
MPRISApplication app;
[CCode(cheader_filename = "config.h")]
namespace Config
{
[CCode(cname="G_LOG_DOMAIN")]
extern extern const string LOG_DOMAIN;
[CCode(cname="GETTEXT_PACKAGE")]
extern const string GETTEXT_PACKAGE;
[CCode(cname="LOCALES_DIR")]
extern const string LOCALES_DIR;
extern const string APPNAME;
}
/**
* Main entry point
*/
int main(string[] args){
const string SERVICE_NAME = "org.mpris.MediaPlayer2." + Config.APPNAME;
const string SERVICE_OBJECT = "/org/mpris/MediaPlayer2";
prog_name = args[0];
Intl.textdomain(Config.APPNAME);
Intl.bindtextdomain(Config.APPNAME, Config.LOCALES_DIR);
try{
app = Bus.get_proxy_sync(BusType.SESSION, SERVICE_NAME, SERVICE_OBJECT);
}
catch(IOError e){
/// Nuvola Player client error message; %s will be replaced by a message
stderr.printf(_("Unable to connect to application interface: %s\n"), e.message);
return 1;
}
try{
player = Bus.get_proxy_sync(BusType.SESSION, SERVICE_NAME, SERVICE_OBJECT);
}
catch(IOError e){
/// Nuvola Player client error message; %s will be replaced by a message
stderr.printf(_("Unable to connect to player interface: %s\n"), e.message);
return 1;
}
if(args.length == 1){
usage(prog_name);
return 1;
}
else if(args.length > 2){
/// Nuvola Player client error message
usage(prog_name, _("Wrong number of arguments.\n"));
return 1;
}
int exit_code;
if (!call_command(args[1], out exit_code)){
// DBus Call failed
stderr.printf("\n%s\n%s\n",
_("Unable to connect to the Remote Player Interface of Nuvola Player."),
_("Make sure Nuvola Player is running and extension 'Remote Player Interface' is enabled in the Preferences dialog."));
return 2;
}
return exit_code;
}
/**
* Call client command.
*
* @param cmd command to execute
* @param return_code application exit code
* @return false if call failed because of invalid DBus proxy object,
* true otherwise
*/
bool call_command(string cmd, out int exit_code){
exit_code = -1;
/* DBus call to invalid DBus object proxy produces error message and
* returns false instead of throwing IOError. See generated C code for
* details. */
try{
switch(cmd){
case "play": player.play(); break;
case "pause": player.pause(); break;
case "toggle": player.play_pause(); break;
case "next": player.next(); break;
case "prev": player.previous(); break;
case "raise": app.raise(); break;
case "quit": app.quit(); break;
case "status":
var status = player.playback_status;
stdout.printf("Status: %s\n", status);
if(status != "Stopped"){
var metadata = player.metadata;
string song = metadata.lookup("xesam:title").get_string();
if(song != ""){
/// Nuvola Player client, output of 'status' command; %s will be replaced by a song name
stdout.printf(_("Song: %s\n"), song);
}
string[] artistArray = metadata.lookup("xesam:artist").dup_strv();
string artist = artistArray.length > 0 ? artistArray[0] : "";
if(artist != ""){
/// Nuvola Player client, output of 'status' command; %s will be replaced by an artist name
stdout.printf(_("Artist: %s\n"), artist);
}
string album = metadata.lookup("xesam:album").get_string();
if(album != ""){
/// Nuvola Player client, output of 'status' command; %s will be replaced by an album name
stdout.printf(_("Album: %s\n"), album);
}
}
break;
default:
/// Nuvola Player client, error message, %s = argument name
usage(prog_name, _("Wrong argument: %s\n").printf(cmd));
exit_code = 1;
return true;
}
}
catch(IOError e){
/// Nuvola Player client, error message, %1$s = commnad name, %2$s = message
stderr.printf("Unable to execute command %1$s: %2$s\n", cmd, e.message);
exit_code = 1;
return true;
}
exit_code = 0;
return true;
}
void usage(string command, string? error=null){
if(error != null){
stderr.puts(error);
stderr.puts("\n");
}
/// Nuvola Player client, usage information, %s will be replaced by executable name, do not translate command names (command name: description)
stderr.printf("""Usage:
%s [COMMAND]
Available commands:
status print current status (playback state, song info)
play start playback
pause pause playback
toggle toggle play/pause
next skip to next song
prev skip to previous song
raise raise Nuvola Player window
quit quit Nuvola Player
""", command);
}
[DBus(name = "org.mpris.MediaPlayer2")]
public interface MPRISApplication: GLib.Object{
public abstract void raise() throws IOError;
public abstract void quit() throws IOError;
}
[DBus(name = "org.mpris.MediaPlayer2.Player")]
public interface MPRISPlayer : GLib.Object{
public abstract string playback_status { owned get; private set;}
public abstract HashTable<string,Variant>? metadata { owned get; private set;}
public abstract void next() throws IOError;
public abstract void previous() throws IOError;
public abstract void pause() throws IOError;
public abstract void play_pause() throws IOError;
public abstract void stop() throws IOError;
public abstract void play() throws IOError;
}
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