From 5d3f20b49a89b55e39339a0f90ae7f846356b0e1 Mon Sep 17 00:00:00 2001
From: Bobby Rong <rjl931189261@126.com>
Date: Wed, 22 Sep 2021 11:54:24 +0800
Subject: [PATCH 1/2] Drop PackageKitBackend and UbuntuDriversBackend

---
 src/Application.vala            | 14 ---------
 src/Core/BackendAggregator.vala |  2 --
 src/Core/UpdateManager.vala     | 56 ---------------------------------
 src/MainWindow.vala             | 17 ----------
 4 files changed, 89 deletions(-)

diff --git a/src/Application.vala b/src/Application.vala
index 65fae5aa..9d42b14f 100644
--- a/src/Application.vala
+++ b/src/Application.vala
@@ -167,10 +167,6 @@ public class AppCenter.App : Gtk.Application {
 
         var client = AppCenterCore.Client.get_default ();
 
-        if (fake_update_packages != null) {
-            AppCenterCore.PackageKitBackend.get_default ().fake_packages = fake_update_packages;
-        }
-
         if (silent) {
             NetworkMonitor.get_default ().network_changed.connect ((available) => {
                 schedule_cache_update (!available);
@@ -183,16 +179,6 @@ public class AppCenter.App : Gtk.Application {
             return;
         }
 
-        if (local_path != null) {
-            var file = File.new_for_commandline_arg (local_path);
-
-            try {
-                local_package = AppCenterCore.PackageKitBackend.get_default ().add_local_component_file (file);
-            } catch (Error e) {
-                warning ("Failed to load local AppStream XML file: %s", e.message);
-            }
-        }
-
         if (main_window == null) {
             main_window = new MainWindow (this);
 
diff --git a/src/Core/BackendAggregator.vala b/src/Core/BackendAggregator.vala
index 2f8bdedf..b705ca87 100644
--- a/src/Core/BackendAggregator.vala
+++ b/src/Core/BackendAggregator.vala
@@ -26,8 +26,6 @@ public class AppCenterCore.BackendAggregator : Backend, Object {
 
     construct {
         backends = new Gee.ArrayList<unowned Backend> ();
-        backends.add (PackageKitBackend.get_default ());
-        backends.add (UbuntuDriversBackend.get_default ());
         backends.add (FlatpakBackend.get_default ());
 
         unowned Gtk.Application app = (Gtk.Application) GLib.Application.get_default ();
diff --git a/src/Core/UpdateManager.vala b/src/Core/UpdateManager.vala
index 29fa397a..ce42dd57 100644
--- a/src/Core/UpdateManager.vala
+++ b/src/Core/UpdateManager.vala
@@ -53,42 +53,9 @@ public class AppCenterCore.UpdateManager : Object {
             installed_package.update_state ();
         }
 
-        Pk.Results pk_updates;
-        unowned PackageKitBackend client = PackageKitBackend.get_default ();
-        try {
-            pk_updates = yield client.get_updates (cancellable);
-        } catch (Error e) {
-            warning ("Unable to get updates from PackageKit backend: %s", e.message);
-            return 0;
-        }
-
         uint os_count = 0;
         string os_desc = "";
 
-        var package_array = pk_updates.get_package_array ();
-        debug ("PackageKit backend reports %d updates", package_array.length);
-
-        package_array.foreach ((pk_package) => {
-            var pkg_name = pk_package.get_name ();
-            var appcenter_package = client.lookup_package_by_id (pkg_name);
-            if (appcenter_package != null) {
-                debug ("Added %s to app updates", pkg_name);
-                apps_with_updates.add (appcenter_package);
-                appcenter_package.latest_version = pk_package.get_version ();
-            } else {
-                debug ("Added %s to OS updates", pkg_name);
-                os_count++;
-                unowned string pkg_summary = pk_package.get_summary ();
-                unowned string pkg_version = pk_package.get_version ();
-                os_desc += Markup.printf_escaped (
-                    "<li>%s\n\t%s\n\t%s</li>\n",
-                    pkg_name,
-                    pkg_summary,
-                    _("Version: %s").printf (pkg_version)
-                );
-            }
-        });
-
         os_updates.component.set_pkgnames ({});
         os_updates.change_information.clear_update_info ();
 
@@ -160,29 +127,6 @@ public class AppCenterCore.UpdateManager : Object {
             count += 1;
         }
 
-        pk_updates.get_details_array ().foreach ((pk_detail) => {
-            var pk_package = new Pk.Package ();
-            try {
-                pk_package.set_id (pk_detail.get_package_id ());
-                var pkg_name = pk_package.get_name ();
-                var appcenter_package = client.lookup_package_by_id (pkg_name);
-                    if (appcenter_package != null) {
-                        appcenter_package.change_information.updatable_packages.@set (client, pk_package.get_id ());
-                        appcenter_package.change_information.size += pk_detail.size;
-                        appcenter_package.update_state ();
-                    } else {
-                        var pkgnames = os_updates.component.pkgnames;
-                        pkgnames += pkg_name;
-                        os_updates.component.pkgnames = pkgnames;
-
-                        os_updates.change_information.updatable_packages.@set (client, pk_package.get_id ());
-                        os_updates.change_information.size += pk_detail.size;
-                    }
-            } catch (Error e) {
-                critical (e.message);
-            }
-        });
-
         os_updates.update_state ();
         return count;
     }
diff --git a/src/MainWindow.vala b/src/MainWindow.vala
index a32ce47b..b9f8594a 100644
--- a/src/MainWindow.vala
+++ b/src/MainWindow.vala
@@ -292,23 +292,6 @@ public class AppCenter.MainWindow : Hdy.ApplicationWindow {
     }
 
     public override bool delete_event (Gdk.EventAny event) {
-        unowned AppCenterCore.PackageKitBackend client = AppCenterCore.PackageKitBackend.get_default ();
-        if (client.working) {
-            if (task_finished_connection != 0U) {
-                client.disconnect (task_finished_connection);
-            }
-
-            hide ();
-            task_finished_connection = client.notify["working"].connect (() => {
-                if (!visible && !client.working) {
-                    destroy ();
-                }
-            });
-
-            AppCenterCore.Client.get_default ().cancel_updates (false); //Timeouts keep running
-            return true;
-        }
-
         return false;
     }