~lubuntu-software-center-team/lubuntu-software-center/vala-port

//  Stephen Smally © 2012

//      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., 51 Franklin Street, Fifth Floor, Boston,

//      MA 02110-1301, USA.

//      

using Pk;

namespace Lsc.Backend {

    public class AppsManager : Object {

        // Signals

        public signal void app_added (Package app);

        public signal void category_added (string category, string group);

        public signal void loading_started (string text);

        public signal void loading_finished ();

        public signal void details_received (Package pkg, Details details);

        // PackageKit stuffs

        private Client client;

        private Control control;

        private Cancellable transaction;

        // Vars

        public string[] icon_table;

        public void get_pkgs_cb (Progress progress, ProgressType type) {

        }

        public void ready () {

            loading_finished();

        }

        public void get_pkgs (string filters) {

            Bitfield filter;

            filter = filter_bitfield_from_string(filters);

            loading_started("Loading packages");

            client.get_packages_async(filter, null, (progress, type) => {

                if (type == ProgressType.PACKAGE_ID && progress.package != null) {

                    stdout.printf("%s, %s\n", progress.package.get_name(), progress.package.get_arch());

                    app_added(progress.package);

                    while (Gtk.events_pending())

                        Gtk.main_iteration();

                }

            }, () => {ready();});

        }

        public void search_for_packages (string filters, string name) {

            Bitfield filter;

            filter = filter_bitfield_from_string(filters);

            loading_started("Loading packages");

            client.search_names_async(filter, {name}, null, (pkg) => {

                if (pkg.package != null) {

                    app_added(pkg.package);

                }

                while (Gtk.events_pending())

                    Gtk.main_iteration();

            }, () => {

                loading_finished();

            });

        }

        public void get_details (string pkg_id) {

            client.get_details_async({pkg_id},

            null,

            () => {},

            (obj, res) => {

                Results contains = client.generic_finish(res);

                details_received(get_package_from_id(pkg_id), contains.get_details_array()[0]);

            });

        }

        public Package get_package_from_id (string pkg_id) {

            Results res = client.resolve(filter_bitfield_from_string(""),

            {pkg_id},

            null,

            null);

            return res.get_package_array()[0];

        }

        private void fill_icon_table () {

            icon_table = {

                string.joinv("|", {group_enum_to_string(Group.UNKNOWN),"help-browser"}),	/* fall though value */

                string.joinv("|", {group_enum_to_string(Group.ACCESSIBILITY), "preferences-desktop-accessibility"}),

                string.joinv("|", {group_enum_to_string(Group.ACCESSORIES), "applications-accessories"}),

                string.joinv("|", {group_enum_to_string(Group.ADMIN_TOOLS), "system-lock-screen"}),

                string.joinv("|", {group_enum_to_string(Group.COLLECTIONS),	"pk-collection-installed"}),

                string.joinv("|", {group_enum_to_string(Group.COMMUNICATION), "folder-remote"}),

                string.joinv("|", {group_enum_to_string(Group.DESKTOP_GNOME), "pk-desktop-gnome"}),

                string.joinv("|", {group_enum_to_string(Group.DESKTOP_KDE), "pk-desktop-kde"}),

                string.joinv("|", {group_enum_to_string(Group.DESKTOP_OTHER), "user-desktop"}),

                string.joinv("|", {group_enum_to_string(Group.DESKTOP_XFCE), "pk-desktop-xfce"}),

                string.joinv("|", {group_enum_to_string(Group.DOCUMENTATION), "x-office-address-book"}),

                string.joinv("|", {group_enum_to_string(Group.EDUCATION), "utilities-system-monitor"}),

                string.joinv("|", {group_enum_to_string(Group.ELECTRONICS), "video-display"}),

                string.joinv("|", {group_enum_to_string(Group.FONTS), "preferences-desktop-font"}),

                string.joinv("|", {group_enum_to_string(Group.GAMES), "applications-games"}),

                string.joinv("|", {group_enum_to_string(Group.GRAPHICS), "applications-graphics"}),

                string.joinv("|", {group_enum_to_string(Group.INTERNET), "applications-internet"}),

                string.joinv("|", {group_enum_to_string(Group.LEGACY), "media-floppy"}),

                string.joinv("|", {group_enum_to_string(Group.LOCALIZATION), "preferences-desktop-locale"}),

                string.joinv("|", {group_enum_to_string(Group.MAPS), "applications-multimedia"}),

                string.joinv("|", {group_enum_to_string(Group.MULTIMEDIA), "applications-multimedia"}),

                string.joinv("|", {group_enum_to_string(Group.NETWORK), "network-wired"}),

                string.joinv("|", {group_enum_to_string(Group.OFFICE), "applications-office"}),

                string.joinv("|", {group_enum_to_string(Group.OTHER), "applications-other"}),

                string.joinv("|", {group_enum_to_string(Group.POWER_MANAGEMENT), "battery"}),

                string.joinv("|", {group_enum_to_string(Group.PROGRAMMING), "applications-development"}),

                string.joinv("|", {group_enum_to_string(Group.PUBLISHING), "accessories-dictionary"}),

                string.joinv("|", {group_enum_to_string(Group.REPOS), "system-file-manager"}),

                string.joinv("|", {group_enum_to_string(Group.SCIENCE), "application-certificate"}),

                string.joinv("|", {group_enum_to_string(Group.SECURITY), "network-wireless-encrypted"}),

                string.joinv("|", {group_enum_to_string(Group.SERVERS), "network-server"}),

                string.joinv("|", {group_enum_to_string(Group.SYSTEM), "applications-system"}),

                string.joinv("|", {group_enum_to_string(Group.VIRTUALIZATION), "computer"}),

                string.joinv("|", {group_enum_to_string(Group.VENDOR), "application-certificate"}),

                string.joinv("|", {group_enum_to_string(Group.NEWEST), "dialog-information"})

            };

        }

        private string group_to_icon_name(string group) {

            foreach (string couple in icon_table) {

                if (couple.split("|")[0] == group) {

                return couple.split("|")[1];

                }

            }

            return "";

        }

        public void get_categories () {

            /*

            for (int i = 0; i < Group.LAST; i++) {

                if (i != Group.COLLECTIONS && i != Group.NEWEST)

                    category_added(group_to_icon_name(group_enum_to_string((Group)i)), group_enum_to_string((Group)i));

            }*/

            category_added("applications-accessories", "Accessories");

            category_added("applications-internet", "Internet");

            category_added("applications-office", "Office");

            category_added("applications-multimedia", "Multimedia");

            category_added("applications-development", "Development");

            category_added("category-show-all", "All");

        }

        public void get_screenshot (string pkg_name) {

        } 

        public AppsManager () {

            client = new Client();

            control = new Control();

            transaction = new Cancellable();

            fill_icon_table();

        }

    }

}