Imported Upstream version 0.6.8upstream/0.6.8

1 files changed, 262 insertions, 0 deletions

diff --git a/src/daemon.vala b/src/daemon.vala
new file mode 100644
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+/////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2011-2015 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 Daemon : GLib.Application {
+
+    /////////////////////////////////////////////////////////////////////
+    /// The current version of Gnome-Pie
+    /////////////////////////////////////////////////////////////////////
+
+    public static string version;
+
+    /////////////////////////////////////////////////////////////////////
+    /// Varaibles set by the commend line parser.
+    /////////////////////////////////////////////////////////////////////
+
+    public static bool disable_header_bar     = false;
+    public static bool disable_stack_switcher = false;
+
+
+    /////////////////////////////////////////////////////////////////////
+    /// true if init_pies() has been called already
+    /////////////////////////////////////////////////////////////////////
+    private bool initialized = false;
+
+    /////////////////////////////////////////////////////////////////////
+    /// The beginning of everything.
+    /////////////////////////////////////////////////////////////////////
+
+    public static int main(string[] args) {
+        version = "0.6.8";
+
+        // disable overlay scrollbar --- hacky workaround for black /
+        // transparent background
+        GLib.Environment.set_variable("LIBOVERLAY_SCROLLBAR", "0", true);
+
+        Logger.init();
+        Gtk.init(ref args);
+        Paths.init();
+
+        // create the Daemon and run it
+        var deamon = new GnomePie.Daemon();
+        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;
+    private static bool print_ids = false;
+
+    private static bool handled_local_args = 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" },
+        { "no-header-bar", 'b', 0, GLib.OptionArg.NONE,
+          out disable_header_bar,
+          "Disables the usage of GTK.HeaderBar" },
+        { "no-stack-switcher", 's', 0, GLib.OptionArg.NONE,
+          out disable_stack_switcher,
+          "Disables the usage of GTK.StackSwitcher" },
+        { "print-ids", 'p', 0, GLib.OptionArg.NONE,
+          out print_ids,
+          "Prints all Pie names with their according IDs" },
+        { null }
+    };
+
+    /////////////////////////////////////////////////////////////////////
+    /// C'tor of the Daemon. It checks whether it's the first running
+    /// instance of Gnome-Pie.
+    /////////////////////////////////////////////////////////////////////
+
+    public Daemon() {
+        Object(application_id: "org.gnome.gnomepie",
+               flags: GLib.ApplicationFlags.HANDLES_COMMAND_LINE);
+
+        // init locale support
+        Intl.bindtextdomain("gnomepie", Paths.locales);
+        Intl.textdomain("gnomepie");
+
+        // connect SigHandlers
+        Posix.signal(Posix.SIGINT, sig_handler);
+        Posix.signal(Posix.SIGTERM, sig_handler);
+
+        this.startup.connect(()=>{
+
+            message("Welcome to Gnome-Pie " + version + "!");
+
+            this.init_pies();
+
+            // launch the indicator
+            this.indicator = new Indicator();
+
+            if (open_pie != null && open_pie != "") {
+                PieManager.open_pie(open_pie);
+                open_pie = "";
+            }
+
+            // finished loading... so run the prog!
+            message("Started happily...");
+            hold();
+        });
+    }
+
+    /////////////////////////////////////////////////////////////////////
+    /// Call handle_command_line on program launch.
+    /////////////////////////////////////////////////////////////////////
+
+    protected override bool local_command_line(
+        ref unowned string[] args, out int exit_status) {
+
+        exit_status = 0;
+
+        // copy command line
+        string*[] _args = new string[args.length];
+        for (int i = 0; i < args.length; i++) {
+            _args[i] = args[i];
+        }
+        return handle_command_line(_args, false);
+    }
+
+    /////////////////////////////////////////////////////////////////////
+    /// Call handle_command_line when a remote instance was launched.
+    /////////////////////////////////////////////////////////////////////
+
+    protected override int command_line(GLib.ApplicationCommandLine cmd) {
+        if (handled_local_args) {
+            string[] tmp = cmd.get_arguments();
+            unowned string[] remote_args = tmp;
+            handle_command_line(remote_args, true);
+        }
+        handled_local_args = true;
+        return 0;
+    }
+
+    /////////////////////////////////////////////////////////////////////
+    /// 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));
+        GLib.Application.get_default().release();
+    }
+
+    /////////////////////////////////////////////////////////////////////
+    /// Print a nifty message when the prog is killed.
+    /////////////////////////////////////////////////////////////////////
+
+    private void init_pies() {
+        if (!this.initialized) {
+
+            // init static stuff
+            ActionRegistry.init();
+            GroupRegistry.init();
+
+            // load all pies
+            PieManager.init();
+
+            // initialize icon cache
+            Icon.init();
+
+            this.initialized = true;
+        }
+    }
+
+    /////////////////////////////////////////////////////////////////////
+    /// Handles command line parameters.
+    /////////////////////////////////////////////////////////////////////
+
+    private bool handle_command_line(string[] args, bool called_from_remote) {
+
+        var context = new GLib.OptionContext(" - Launches the pie menu for linux.");
+        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);
+            message("Run '%s' to launch Gnome-Pie or run '%s --help' to" +
+                    " see a full list of available command line options.\n",
+                    args[0], args[0]);
+        }
+
+        if (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);
+            }
+
+            // do not notify the already running instance (if any)
+            return true;
+        }
+
+        if (print_ids) {
+            this.init_pies();
+            PieManager.print_ids();
+            print_ids = false;
+
+            // do not notify the already running instance (if any)
+            return true;
+        }
+
+
+        if (called_from_remote) {
+            if (open_pie != null && open_pie != "") {
+                PieManager.open_pie(open_pie);
+                open_pie = "";
+            } else {
+                this.indicator.show_preferences();
+            }
+        }
+
+        // notify the already running instance (if any)
+        return false;
+    }
+}
+
+}