summaryrefslogtreecommitdiff
path: root/src/deamon.vala
blob: fb9618baed2c6126b61fcc287b219a2bd4d745c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
Copyright (c) 2011 by Simon Schneegans

This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
more details.

You should have received a copy of the GNU General Public License along with
this program.  If not, see <http://www.gnu.org/licenses/>.
*/

namespace GnomePie {

/////////////////////////////////////////////////////////////////////////
/// This class runs in the background. It has an Indicator sitting in the
/// user's panel. It initializes everything and guarantees that there is
/// only one instance of Gnome-Pie running.
/////////////////////////////////////////////////////////////////////////

public class Deamon : GLib.Object {

    /////////////////////////////////////////////////////////////////////
    /// The current version of Gnome-Pie
    /////////////////////////////////////////////////////////////////////

    public static string version;

    /////////////////////////////////////////////////////////////////////
    /// The beginning of everything.
    /////////////////////////////////////////////////////////////////////

    public static int main(string[] args) {
        version = "0.5.6";

        Logger.init();
        Gdk.threads_init();
        Gtk.init(ref args);
        Paths.init();

        message("Welcome to Gnome-Pie " + version + "!");

        // create the Deamon and run it
        var deamon = new GnomePie.Deamon();
        deamon.run(args);

        return 0;
    }

    /////////////////////////////////////////////////////////////////////
    /// The AppIndicator of Gnome-Pie.
    /////////////////////////////////////////////////////////////////////

    private Indicator indicator = null;

    /////////////////////////////////////////////////////////////////////
    /// Varaibles set by the commend line parser.
    /////////////////////////////////////////////////////////////////////

    private static string open_pie = null;
    private static bool reset = false;

    /////////////////////////////////////////////////////////////////////
    /// Available command line options.
    /////////////////////////////////////////////////////////////////////

    private const GLib.OptionEntry[] options = {
        { "open", 'o', 0, GLib.OptionArg.STRING, out open_pie,
          "Open the Pie with the given ID", "ID" },
        { "reset", 'r', 0, GLib.OptionArg.NONE, out reset,
          "Reset all options to default values" },
        { null }
    };

    /////////////////////////////////////////////////////////////////////
    /// C'tor of the Deamon. It checks whether it's the firts running
    /// instance of Gnome-Pie.
    /////////////////////////////////////////////////////////////////////

    public void run(string[] args) {
        // create command line options
        var context = new GLib.OptionContext("");
        context.set_help_enabled(true);
        context.add_main_entries(options, null);
        context.add_group(Gtk.get_option_group (false));

        try {
            context.parse(ref args);
        } catch(GLib.OptionError error) {
            warning(error.message);
        }

        if (Deamon.reset) {
            if (GLib.FileUtils.remove(Paths.pie_config) == 0)
                message("Removed file \"%s\"", Paths.pie_config);
            if (GLib.FileUtils.remove(Paths.settings) == 0)
                message("Removed file \"%s\"", Paths.settings);

            return;
        }

        // create unique application
        var app = new Unique.App("org.gnome.gnomepie", null);

        #if HAVE_GTK_3
            if (app.is_running()) {
        #else
            if (app.is_running) {
        #endif
            // inform the running instance of the pie to be opened
            if (open_pie != null) {
            	message("Gnome-Pie is already running. Sending request to open pie " + open_pie + ".");
                var data = new Unique.MessageData();
                data.set_text(open_pie, open_pie.length);
                app.send_message(Unique.Command.ACTIVATE, data);

                return;
            }

            message("Gnome-Pie is already running. Sending request to open config menu.");
            app.send_message(Unique.Command.ACTIVATE, null);

            return;
        }

        // wait for incoming messages
        app.message_received.connect((cmd, data, event_time) => {
            if (cmd == Unique.Command.ACTIVATE) {
                var pie = data.get_text();

                if (pie != null && pie != "") PieManager.open_pie(pie);
                else                          this.indicator.show_preferences();

                return Unique.Response.OK;
            }

            return Unique.Response.PASSTHROUGH;
        });

        Gdk.threads_enter();

        // init locale support
        Intl.bindtextdomain ("gnomepie", Paths.locales);
        Intl.textdomain ("gnomepie");

        // init toolkits and static stuff
        ActionRegistry.init();
        GroupRegistry.init();

        PieManager.init();
        Icon.init();

        // launch the indicator
        this.indicator = new Indicator();

        // connect SigHandlers
        Posix.signal(Posix.SIGINT, sig_handler);
	    Posix.signal(Posix.SIGTERM, sig_handler);

	    // finished loading... so run the prog!
	    message("Started happily...");

	    // open pie if neccessary
	    if (open_pie != null)
	        PieManager.open_pie(open_pie);

	    Gtk.main();

	    Gdk.threads_leave();
    }

    /////////////////////////////////////////////////////////////////////
    /// Print a nifty message when the prog is killed.
    /////////////////////////////////////////////////////////////////////

    private static void sig_handler(int sig) {
        stdout.printf("\n");
		message("Caught signal (%d), bye!".printf(sig));
		Gtk.main_quit();
	}
}

}