/*
 * Copyright (C) 2011 Red Hat, Inc.
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * The Sushi project hereby grant permission for non-gpl compatible GStreamer
 * plugins to be used and distributed together with GStreamer and Sushi. This
 * permission is above and beyond the permissions granted by the GPL license
 * Sushi is covered by.
 *
 * Authors: Cosimo Cecchi <cosimoc@redhat.com>
 *
 */

const DBus = imports.dbus;
const Lang = imports.lang;

// util imports
const Path = imports.util.path;

// gi imports
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Gdk = imports.gi.Gdk;
const Gio = imports.gi.Gio;

const MainWindow = imports.ui.mainWindow;

const _SUSHI_DBUS_PATH = '/org/gnome/NautilusPreviewer';

const SushiIface = {
    name: 'org.gnome.NautilusPreviewer',

    methods: [ { name: "Activate",
                 inSignature: '',
                 outSignature: '' },
               { name: "ShowFile",
                 inSignature: 'sib',
                 outSignature: '' },
               { name: "Close",
                 inSignature: '',
                 outSignature: '' }],

    signals: [],
    properties: []
};

function RemoteApplication(args) {
    this._init(args);
}

RemoteApplication.prototype = {
    _init : function(args) {
        DBus.session.proxifyObject(this,
                                   SushiIface.name,
                                   _SUSHI_DBUS_PATH);
    }
}

DBus.proxifyPrototype(RemoteApplication.prototype,
                      SushiIface);

function Application(args) {
    this._init(args);
}

Application.prototype = {
    _init : function(args) {
        DBus.session.acquire_name(SushiIface.name,
                                  DBus.SINGLE_INSTANCE,
                                  Lang.bind(this, this._onNameAcquired),
                                  Lang.bind(this, this._onNameNotAcquired));
    },

    _onNameAcquired : function() {
        DBus.session.exportObject(_SUSHI_DBUS_PATH, this);

        this._defineStyleAndThemes();
        this._createMainWindow();
    },

    _onNameNotAcquired : function() {
        let remoteApp = new RemoteApplication();
        remoteApp.ActivateRemote();

        this.quit();
    },

    _createMainWindow : function() {
        this._mainWindow =
            new MainWindow.MainWindow({ application: this });
    },

    _defineStyleAndThemes : function() {
        let provider = new Gtk.CssProvider();
        provider.load_from_path(Path.STYLE_DIR + "gtk-style.css");
        Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(),
                                                 provider,
                                                 600);

        let settings = Gtk.Settings.get_default();
        settings.gtk_application_prefer_dark_theme = true;
    },

    Activate : function() {
    },

    Close: function() {
        this.quit();
    },

    ShowFile : function(uri, xid, closeIfAlreadyShown) {
	let file = Gio.file_new_for_uri(uri);
	if (closeIfAlreadyShown &&
	    this._mainWindow.file &&
	    this._mainWindow.file.equal(file)) {
	    this._mainWindow.close();
	    return;
	}
        this._mainWindow.setParent(xid);
        this._mainWindow.setFile(file);
    },

    quit : function() {
        Gtk.main_quit();
    }
}
