now transaction functions are a library, see pamac.vapi

2016-02-26 10:37:26 +01:00 · 2016-02-26 10:37:26 +01:00 · dd71fd3ecc
commit dd71fd3ecc
parent 6b4a935da1
33 changed files with 698 additions and 704 deletions
--- a/.gitignore
+++ b/.gitignore
@ -2,6 +2,9 @@ pkgbuild
 resources/*~
 resources/*.c
 src/*.c
+src/pamac.h
+src/pamac.vapi
+src/libpamac.so
 src/pamac-daemon
 src/pamac-tray
 src/pamac-manager
--- a/6
+++ b/6
@ -16,6 +16,9 @@ install:
 	cp -r po/locale /usr/share
 	install -Dm744 src/pamac-daemon /usr/bin/pamac-daemon
 	install -Dm755 src/pamac-tray /usr/bin/pamac-tray
+	install -Dm644 src/pamac.h /usr/include/pamac.h
+	install -Dm644 src/pamac.vapi /usr/share/vala/vapi/pamac.vapi
+	install -Dm755 src/libpamac.so /usr/lib/libpamac.so
 	install -Dm755 src/pamac-manager /usr/bin/pamac-manager
 	install -Dm755 src/pamac-updater /usr/bin/pamac-updater
 	install -Dm755 src/pamac-install /usr/bin/pamac-install
@ -39,6 +42,9 @@ uninstall:
 	rm -f /usr/share/icons/24x24/status/pamac-tray-update.png
 	rm -f /usr/share/icons/32x32/apps/system-software-install.png
 	rm -f /usr/share/locale/*/LC_MESSAGES/pamac.mo
+	rm -f /usr/include/pamac.h
+	rm -f /usr/share/vala/vapi/pamac.vapi
+	rm -f /usr/lib/libpamac.so
 	rm -f /usr/bin/pamac-daemon /usr/bin/pamac-updater /usr/bin/pamac-tray /usr/bin/pamac-manager /usr/bin/pamac-install
 	rm -f /etc/xdg/autostart/pamac-tray.desktop
 	rm -f /usr/share/applications/pamac-manager.desktop /usr/share/applications/pamac-updater.desktop /usr/share/applications/pamac-install.desktop
--- a/po/files_to_translate
+++ b/po/files_to_translate
@ -4,12 +4,6 @@
 ../src/tray.vala
 ../src/manager.vala
 ../src/updater.vala
-../src/choose_provider_dialog.vala
-../src/progress_dialog.vala
-../src/history_dialog.vala
-../src/transaction_info_dialog.vala
-../src/transaction_sum_dialog.vala
-../src/choose_dep_dialog.vala
 ../src/manager_window.vala
 ../src/aur_model.vala
 ../src/packages_model.vala
--- a/po/pamac.pot
+++ b/po/pamac.pot
@ -21,7 +21,7 @@ msgstr ""
 msgid "Authentication is required"
 msgstr ""

-#: ../src/daemon.vala ../src/manager_window.vala ../src/preferences_dialog.vala
+#: ../src/daemon.vala ../src/transaction.vala
 msgid "Failed to initialize alpm library"
 msgstr ""

@ -85,6 +85,16 @@ msgstr ""
 msgid "Authentication failed"
 msgstr ""

+#: ../src/daemon.vala
+#, c-format
+msgid "%s appears to be truncated: %jd/%jd bytes\n"
+msgstr ""
+
+#: ../src/daemon.vala
+#, c-format
+msgid "failed retrieving file '%s' from %s : %s\n"
+msgstr ""
+
 #: ../src/transaction.vala
 msgid "Refreshing mirrors list"
 msgstr ""
@ -287,8 +297,7 @@ msgstr[1] ""
 msgid "Warning"
 msgstr ""

-#: ../src/transaction.vala ../src/installer.vala ../src/manager.vala
-#: ../src/updater.vala
+#: ../src/transaction.vala
 msgid "Error"
 msgstr ""

@ -407,6 +416,14 @@ msgstr ""
 msgid "Conflicts With"
 msgstr ""

+#: ../src/manager_window.vala
+msgid "Make Dependencies"
+msgstr ""
+
+#: ../src/manager_window.vala
+msgid "Check Dependencies"
+msgstr ""
+
 #: ../src/manager_window.vala ../resources/manager_window.ui
 msgid "Repository"
 msgstr ""
@ -455,6 +472,10 @@ msgstr ""
 msgid "Backup files"
 msgstr ""

+#: ../src/manager_window.vala
+msgid "Package Base"
+msgstr ""
+
 #: ../src/manager_window.vala
 msgid "Maintainer"
 msgstr ""
--- a/resources/Makefile
+++ b/resources/Makefile
@ -14,27 +14,26 @@ UPDATER_RESOURCES_FILES = 	updater_window.ui
 TRANSACTION_RESOURCES_FILES = 	progress_dialog.ui \
 								choose_provider_dialog.ui \
 								transaction_sum_dialog.ui \
-								transaction_info_dialog.ui
-
-PREFERENCES_RESOURCES_FILES = 	preferences_dialog.ui \
+								transaction_info_dialog.ui \
+								preferences_dialog.ui \
 								choose_ignorepkgs_dialog.ui

+TRANSACTION_GRESOURCE_FILE = pamac.transaction.gresource.xml
+
 MANAGER_GRESOURCE_FILE = pamac.manager.gresource.xml

 UPDATER_GRESOURCE_FILE = pamac.updater.gresource.xml

-INSTALLER_GRESOURCE_FILE = pamac.installer.gresource.xml
-
-resources: manager_resources.c updater_resources.c installer_resources.c
+resources: transaction_resources.c manager_resources.c updater_resources.c

 clean:
 	rm -f *.c

-manager_resources.c: $(MANAGER_GRESOURCE_FILE) $(MANAGER_RESOURCES_FILES) $(TRANSACTION_RESOURCES_FILES) $(PREFERENCES_RESOURCES_FILES)
+transaction_resources.c: $(TRANSACTION_GRESOURCE_FILE) $(TRANSACTION_RESOURCES_FILES)
+	glib-compile-resources $(TRANSACTION_GRESOURCE_FILE) --target=transaction_resources.c --generate-source
+
+manager_resources.c: $(MANAGER_GRESOURCE_FILE) $(MANAGER_RESOURCES_FILES)
 	glib-compile-resources $(MANAGER_GRESOURCE_FILE) --target=manager_resources.c --generate-source

-updater_resources.c: $(UPDATER_GRESOURCE_FILE) $(UPDATER_RESOURCES_FILES) $(TRANSACTION_RESOURCES_FILES) $(PREFERENCES_RESOURCES_FILES)
+updater_resources.c: $(UPDATER_GRESOURCE_FILE) $(UPDATER_RESOURCES_FILES)
 	glib-compile-resources $(UPDATER_GRESOURCE_FILE) --target=updater_resources.c --generate-source
-
-installer_resources.c: $(INSTALLER_GRESOURCE_FILE) $(TRANSACTION_RESOURCES_FILES)
-	glib-compile-resources $(INSTALLER_GRESOURCE_FILE) --target=installer_resources.c --generate-source
--- a/resources/pamac.manager.gresource.xml
+++ b/resources/pamac.manager.gresource.xml
@ -11,14 +11,4 @@
    <file preprocess="to-pixdata">package-reinstall.png</file>
    <file preprocess="to-pixdata">package-remove.png</file>
  </gresource>
-  <gresource prefix="/org/manjaro/pamac/transaction">
-    <file preprocess="xml-stripblanks">progress_dialog.ui</file>
-    <file preprocess="xml-stripblanks">choose_provider_dialog.ui</file>
-    <file preprocess="xml-stripblanks">transaction_sum_dialog.ui</file>
-    <file preprocess="xml-stripblanks">transaction_info_dialog.ui</file>
-  </gresource>
-  <gresource prefix="/org/manjaro/pamac/preferences">
-    <file preprocess="xml-stripblanks">preferences_dialog.ui</file>
-    <file preprocess="xml-stripblanks">choose_ignorepkgs_dialog.ui</file>
-  </gresource>
 </gresources>
--- a/resources/pamac.transaction.gresource.xml
+++ b/resources/pamac.transaction.gresource.xml
@ -6,4 +6,8 @@
    <file preprocess="xml-stripblanks">transaction_sum_dialog.ui</file>
    <file preprocess="xml-stripblanks">transaction_info_dialog.ui</file>
  </gresource>
+  <gresource prefix="/org/manjaro/pamac/preferences">
+    <file preprocess="xml-stripblanks">preferences_dialog.ui</file>
+    <file preprocess="xml-stripblanks">choose_ignorepkgs_dialog.ui</file>
+  </gresource>
 </gresources>
--- a/resources/pamac.updater.gresource.xml
+++ b/resources/pamac.updater.gresource.xml
@ -3,14 +3,4 @@
  <gresource prefix="/org/manjaro/pamac/updater">
    <file preprocess="xml-stripblanks">updater_window.ui</file>
  </gresource>
-  <gresource prefix="/org/manjaro/pamac/transaction">
-    <file preprocess="xml-stripblanks">progress_dialog.ui</file>
-    <file preprocess="xml-stripblanks">choose_provider_dialog.ui</file>
-    <file preprocess="xml-stripblanks">transaction_sum_dialog.ui</file>
-    <file preprocess="xml-stripblanks">transaction_info_dialog.ui</file>
-  </gresource>
-  <gresource prefix="/org/manjaro/pamac/preferences">
-    <file preprocess="xml-stripblanks">preferences_dialog.ui</file>
-    <file preprocess="xml-stripblanks">choose_ignorepkgs_dialog.ui</file>
-  </gresource>
 </gresources>
--- a/src/Makefile
+++ b/src/Makefile
@ -3,16 +3,16 @@ COMMON_VALA_FLAGS = 	-X -w \
 						--pkg=libalpm \
 						--pkg=gio-2.0 \
 						--pkg=posix \
-						--pkg=json-glib-1.0 \
-						--pkg=libsoup-2.4 \
+						--vapidir=./ \
 						--vapidir=../vapi \
-						--Xcc=-I../util \
+						-X -I../util \
 						-X -D_FILE_OFFSET_BITS=64 \
 						-X -DGETTEXT_PACKAGE="pamac" \
 						--target-glib=2.38

-TRANSACTION_VALA_FLAGS = 	--pkg=gtk+-3.0 \
-							--pkg=gmodule-2.0 \
+TRANSACTION_VALA_FLAGS = 	--pkg=json-glib-1.0 \
+							--pkg=libsoup-2.4 \
+							--pkg=gtk+-3.0 \
 							--pkg=gdk-3.0 \
 							--pkg=vte-2.91 \
 							-X -lm
@ -21,10 +21,9 @@ COMMON_SOURCES = 	../util/alpm-util.c \
 					common.vala \
 					pamac_config.vala \
 					alpm_config.vala \
-					alpm_utils.vala \
-					aur.vala \

 TRANSACTION_SOURCES = 	transaction.vala \
+						aur.vala \
 						choose_provider_dialog.vala \
 						transaction_sum_dialog.vala \
 						transaction_info_dialog.vala \
@ -34,16 +33,18 @@ PREFERENCES_SOURCES = 	preferences_dialog.vala \
 						choose_ignorepkgs_dialog.vala \
 						mirrors_config.vala

+TRANSACTION_GRESOURCE_FILE = ../resources/pamac.transaction.gresource.xml
+
 MANAGER_GRESOURCE_FILE = ../resources/pamac.manager.gresource.xml

 UPDATER_GRESOURCE_FILE = ../resources/pamac.updater.gresource.xml

 INSTALLER_GRESOURCE_FILE = ../resources/pamac.installer.gresource.xml

-binaries: pamac-refresh pamac-daemon  pamac-tray  pamac-updater  pamac-manager  pamac-install
+binaries: pamac-refresh pamac-daemon pamac-tray libpamac.so pamac-updater pamac-manager pamac-install

 clean:
-	rm -f *.c pamac-refresh pamac-daemon pamac-tray pamac-updater pamac-manager pamac-install
+	rm -f *.c pamac.h pamac.vapi libpamac.so pamac-refresh pamac-daemon pamac-tray pamac-updater pamac-manager pamac-install

 pamac-refresh: pamac_config.vala refresh.vala
 	valac 	-o pamac-refresh \
@ -61,50 +62,77 @@ pamac-tray: ../vapi/libalpm.vapi $(COMMON_SOURCES) tray.vala
 			$(COMMON_SOURCES) \
 			tray.vala

-pamac-daemon: ../vapi/libalpm.vapi ../vapi/polkit-gobject-1.vapi ../vapi/libcurl.vapi $(COMMON_SOURCES) mirrors_config.vala daemon.vala
+pamac-daemon: ../vapi/libalpm.vapi ../vapi/polkit-gobject-1.vapi ../vapi/libcurl.vapi $(COMMON_SOURCES) aur.vala mirrors_config.vala daemon.vala
 	valac 	-o pamac-daemon \
 			$(COMMON_VALA_FLAGS) \
 			--pkg=polkit-gobject-1 \
 			--pkg=libcurl \
+			--pkg=json-glib-1.0 \
+			--pkg=libsoup-2.4 \
 			--thread \
 			$(COMMON_SOURCES) \
+			aur.vala \
 			mirrors_config.vala \
 			daemon.vala

-pamac-manager: ../vapi/libalpm.vapi $(COMMON_SOURCES) $(TRANSACTION_SOURCES) $(PREFERENCES_SOURCES) choose_dep_dialog.vala history_dialog.vala ../resources/manager_resources.c packages_model.vala aur_model.vala manager_window.vala manager.vala
-	valac 	-o pamac-manager \
+libpamac.so: ../vapi/libalpm.vapi $(COMMON_SOURCES) $(TRANSACTION_SOURCES) $(PREFERENCES_SOURCES) ../resources/manager_resources.c
+	valac	-o libpamac.so \
+			-X -fPIC \
+			-X --shared \
+			-H pamac.h \
+			--vapi=pamac.vapi \
+			--library=libpamac \
 			$(COMMON_VALA_FLAGS) \
 			$(TRANSACTION_VALA_FLAGS) \
-			--gresources=$(MANAGER_GRESOURCE_FILE) \
-			../resources/manager_resources.c \
+			--gresources=$(TRANSACTION_GRESOURCE_FILE) \
+			../resources/transaction_resources.c \
 			$(COMMON_SOURCES) \
 			$(TRANSACTION_SOURCES) \
-			$(PREFERENCES_SOURCES) \
+			$(PREFERENCES_SOURCES)
+
+pamac-manager: libpamac.so choose_dep_dialog.vala history_dialog.vala transaction_info_dialog.vala ../resources/manager_resources.c ../util/alpm-util.c alpm_utils.vala packages_model.vala aur_model.vala manager_window.vala manager.vala
+	valac 	-o pamac-manager \
+			$(COMMON_VALA_FLAGS) \
+			-X -I. \
+			-X -L. \
+			-X -lpamac \
+			--pkg=pamac \
+			--pkg=json-glib-1.0 \
+			--pkg=gtk+-3.0 \
+			--pkg=gdk-3.0 \
+			--gresources=$(MANAGER_GRESOURCE_FILE) \
+			../resources/manager_resources.c \
+			../util/alpm-util.c \
 			choose_dep_dialog.vala \
 			history_dialog.vala \
+			alpm_utils.vala \
 			packages_model.vala \
 			aur_model.vala \
 			manager_window.vala \
 			manager.vala

-pamac-updater: ../vapi/libalpm.vapi $(COMMON_SOURCES) $(TRANSACTION_SOURCES) $(PREFERENCES_SOURCES) ../resources/updater_resources.c updater_window.vala updater.vala
+pamac-updater: libpamac.so ../resources/updater_resources.c updater_window.vala updater.vala
 	valac 	-o pamac-updater \
 			$(COMMON_VALA_FLAGS) \
-			$(TRANSACTION_VALA_FLAGS) \
+			-X -I. \
+			-X -L. \
+			-X -lpamac \
+			--pkg=pamac \
+			--pkg=json-glib-1.0 \
+			--pkg=gtk+-3.0 \
+			--pkg=gdk-3.0 \
 			--gresources=$(UPDATER_GRESOURCE_FILE) \
 			../resources/updater_resources.c \
-			$(COMMON_SOURCES) \
-			$(TRANSACTION_SOURCES) \
-			$(PREFERENCES_SOURCES) \
 			updater_window.vala \
 			updater.vala

-pamac-install: ../vapi/libalpm.vapi $(COMMON_SOURCES) $(TRANSACTION_SOURCES) ../resources/installer_resources.c installer.vala
+pamac-install: libpamac.so installer.vala
 	valac 	-o pamac-install \
 			$(COMMON_VALA_FLAGS) \
-			$(TRANSACTION_VALA_FLAGS) \
-			--gresources=$(INSTALLER_GRESOURCE_FILE) \
-			../resources/installer_resources.c \
-			$(COMMON_SOURCES) \
-			$(TRANSACTION_SOURCES) \
+			-X -I. \
+			-X -L. \
+			-X -lpamac \
+			--pkg=pamac \
+			--pkg=json-glib-1.0 \
+			--pkg=gtk+-3.0 \
 			installer.vala
--- a/src/alpm_config.vala
+++ b/src/alpm_config.vala
@ -17,18 +17,18 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-namespace Alpm {
+namespace Pamac {
 	[Compact]
 	public class Repo {
 		public string name;
-		public Signature.Level siglevel;
-		public Signature.Level siglevel_mask;
-		public DB.Usage usage;
+		public Alpm.Signature.Level siglevel;
+		public Alpm.Signature.Level siglevel_mask;
+		public Alpm.DB.Usage usage;
 		public GLib.List<string> urls;

 		public Repo (string name) {
 			this.name = name;
-			siglevel = Signature.Level.USE_DEFAULT;
+			siglevel = Alpm.Signature.Level.USE_DEFAULT;
 			usage = 0;
 			urls = new GLib.List<string> ();
 		}
@ -44,7 +44,7 @@ namespace Alpm {
 	}

 	[Compact]
-	public class Config {
+	public class AlpmConfig {
 		public string conf_path;
 		public string? rootdir;
 		public string? dbpath;
@ -62,16 +62,16 @@ namespace Alpm {
 		public Alpm.List<string>? noupgrades;
 		public GLib.List<string>? holdpkgs;
 		public GLib.List<string>? syncfirsts;
-		public Signature.Level siglevel;
-		public Signature.Level localfilesiglevel;
-		public Signature.Level remotefilesiglevel;
-		public Signature.Level siglevel_mask;
-		public Signature.Level localfilesiglevel_mask;
-		public Signature.Level remotefilesiglevel_mask;
+		public Alpm.Signature.Level siglevel;
+		public Alpm.Signature.Level localfilesiglevel;
+		public Alpm.Signature.Level remotefilesiglevel;
+		public Alpm.Signature.Level siglevel_mask;
+		public Alpm.Signature.Level localfilesiglevel_mask;
+		public Alpm.Signature.Level remotefilesiglevel_mask;
 		public GLib.List<Repo> repo_order;
-		public Handle? handle;
+		public Alpm.Handle? handle;

-		public Config (string path) {
+		public AlpmConfig (string path) {
 			conf_path = path;
 			reload ();
 		}
@ -108,9 +108,9 @@ namespace Alpm {
 			usesyslog = 0;
 			checkspace = 0;
 			deltaratio = 0.7;
-			siglevel = Signature.Level.PACKAGE | Signature.Level.PACKAGE_OPTIONAL | Signature.Level.DATABASE | Signature.Level.DATABASE_OPTIONAL;
-			localfilesiglevel = Signature.Level.USE_DEFAULT;
-			remotefilesiglevel = Signature.Level.USE_DEFAULT;
+			siglevel = Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL | Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL;
+			localfilesiglevel = Alpm.Signature.Level.USE_DEFAULT;
+			remotefilesiglevel = Alpm.Signature.Level.USE_DEFAULT;
 			repo_order = new GLib.List<Repo> ();
 			// parse conf file
 			parse_file (conf_path);
@ -150,7 +150,7 @@ namespace Alpm {

 		public void get_handle () {
 			Alpm.Errno error;
-			handle = Handle.new (rootdir, dbpath, out error);
+			handle = Alpm.Handle.new (rootdir, dbpath, out error);
 			if (handle == null) {
 				stderr.printf ("Failed to initialize alpm library" + " (%s)\n".printf(Alpm.strerror (error)));
 				return;
@ -179,12 +179,12 @@ namespace Alpm {
 			// register dbs
 			foreach (unowned Repo repo in repo_order) {
 				repo.siglevel = merge_siglevel (siglevel, repo.siglevel, repo.siglevel_mask);
-				unowned DB db = handle.register_syncdb (repo.name, repo.siglevel);
+				unowned Alpm.DB db = handle.register_syncdb (repo.name, repo.siglevel);
 				foreach (unowned string url in repo.urls) {
 					db.add_server (url.replace ("$repo", repo.name).replace ("$arch", handle.arch));
 				}
 				if (repo.usage == 0) {
-					db.usage = DB.Usage.ALL;
+					db.usage = Alpm.DB.Usage.ALL;
 				} else {
 					db.usage = repo.usage;
 				}
@ -373,25 +373,25 @@ namespace Alpm {
 			}
 		}

-		public DB.Usage define_usage (string conf_string) {
-			DB.Usage usage = 0;
+		public Alpm.DB.Usage define_usage (string conf_string) {
+			Alpm.DB.Usage usage = 0;
 			foreach (unowned string directive in conf_string.split(" ")) {
 				if (directive == "Sync") {
-					usage |= DB.Usage.SYNC;
+					usage |= Alpm.DB.Usage.SYNC;
 				} else if (directive == "Search") {
-					usage |= DB.Usage.SEARCH;
+					usage |= Alpm.DB.Usage.SEARCH;
 				} else if (directive == "Install") {
-					usage |= DB.Usage.INSTALL;
+					usage |= Alpm.DB.Usage.INSTALL;
 				} else if (directive == "Upgrade") {
-					usage |= DB.Usage.UPGRADE;
+					usage |= Alpm.DB.Usage.UPGRADE;
 				} else if (directive == "All") {
-					usage |= DB.Usage.ALL;
+					usage |= Alpm.DB.Usage.ALL;
 				}
 			}
 			return usage;
 		}

-		public void process_siglevel (string conf_string, ref Signature.Level siglevel, ref Signature.Level siglevel_mask) {
+		public void process_siglevel (string conf_string, ref Alpm.Signature.Level siglevel, ref Alpm.Signature.Level siglevel_mask) {
 			foreach (unowned string directive in conf_string.split(" ")) {
 				bool affect_package = false;
 				bool affect_database = false;
@ -405,61 +405,61 @@ namespace Alpm {
 				}
 				if ("Never" in directive) {
 					if (affect_package) {
-						siglevel &= ~Signature.Level.PACKAGE;
-						siglevel_mask |= Signature.Level.PACKAGE;
+						siglevel &= ~Alpm.Signature.Level.PACKAGE;
+						siglevel_mask |= Alpm.Signature.Level.PACKAGE;
 					}
 					if (affect_database) {
-						siglevel &= ~Signature.Level.DATABASE;
-						siglevel_mask |= Signature.Level.DATABASE;
+						siglevel &= ~Alpm.Signature.Level.DATABASE;
+						siglevel_mask |= Alpm.Signature.Level.DATABASE;
 					}
 				} else if ("Optional" in directive) {
 					if (affect_package) {
-						siglevel |= (Signature.Level.PACKAGE | Signature.Level.PACKAGE_OPTIONAL);
-						siglevel_mask |= (Signature.Level.PACKAGE | Signature.Level.PACKAGE_OPTIONAL);
+						siglevel |= (Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL);
+						siglevel_mask |= (Alpm.Signature.Level.PACKAGE | Alpm.Signature.Level.PACKAGE_OPTIONAL);
 					}
 					if (affect_database) {
-						siglevel |= (Signature.Level.DATABASE | Signature.Level.DATABASE_OPTIONAL);
-						siglevel_mask |= (Signature.Level.DATABASE | Signature.Level.DATABASE_OPTIONAL);
+						siglevel |= (Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL);
+						siglevel_mask |= (Alpm.Signature.Level.DATABASE | Alpm.Signature.Level.DATABASE_OPTIONAL);
 					}
 				} else if ("Required" in directive) {
 					if (affect_package) {
-						siglevel |= Signature.Level.PACKAGE;
-						siglevel_mask |= Signature.Level.PACKAGE;
-						siglevel &= ~Signature.Level.PACKAGE_OPTIONAL;
-						siglevel_mask |= Signature.Level.PACKAGE_OPTIONAL;
+						siglevel |= Alpm.Signature.Level.PACKAGE;
+						siglevel_mask |= Alpm.Signature.Level.PACKAGE;
+						siglevel &= ~Alpm.Signature.Level.PACKAGE_OPTIONAL;
+						siglevel_mask |= Alpm.Signature.Level.PACKAGE_OPTIONAL;
 					}
 					if (affect_database) {
-						siglevel |= Signature.Level.DATABASE;
-						siglevel_mask |= Signature.Level.DATABASE;
-						siglevel &= ~Signature.Level.DATABASE_OPTIONAL;
-						siglevel_mask |= Signature.Level.DATABASE_OPTIONAL;
+						siglevel |= Alpm.Signature.Level.DATABASE;
+						siglevel_mask |= Alpm.Signature.Level.DATABASE;
+						siglevel &= ~Alpm.Signature.Level.DATABASE_OPTIONAL;
+						siglevel_mask |= Alpm.Signature.Level.DATABASE_OPTIONAL;
 					}
 				} else if ("TrustedOnly" in directive) {
 					if (affect_package) {
-						siglevel &= ~(Signature.Level.PACKAGE_MARGINAL_OK | Signature.Level.PACKAGE_UNKNOWN_OK);
-						siglevel_mask |= (Signature.Level.PACKAGE_MARGINAL_OK | Signature.Level.PACKAGE_UNKNOWN_OK);
+						siglevel &= ~(Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
+						siglevel_mask |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
 					}
 					if (affect_database) {
-						siglevel &= ~(Signature.Level.DATABASE_MARGINAL_OK | Signature.Level.DATABASE_UNKNOWN_OK);
-						siglevel_mask |= (Signature.Level.DATABASE_MARGINAL_OK | Signature.Level.DATABASE_UNKNOWN_OK);
+						siglevel &= ~(Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
+						siglevel_mask |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
 					}
 				} else if ("TrustAll" in directive) {
 					if (affect_package) {
-						siglevel |= (Signature.Level.PACKAGE_MARGINAL_OK | Signature.Level.PACKAGE_UNKNOWN_OK);
-						siglevel_mask |= (Signature.Level.PACKAGE_MARGINAL_OK | Signature.Level.PACKAGE_UNKNOWN_OK);
+						siglevel |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
+						siglevel_mask |= (Alpm.Signature.Level.PACKAGE_MARGINAL_OK | Alpm.Signature.Level.PACKAGE_UNKNOWN_OK);
 					}
 					if (affect_database) {
-						siglevel |= (Signature.Level.DATABASE_MARGINAL_OK | Signature.Level.DATABASE_UNKNOWN_OK);
-						siglevel_mask |= (Signature.Level.DATABASE_MARGINAL_OK | Signature.Level.DATABASE_UNKNOWN_OK);
+						siglevel |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
+						siglevel_mask |= (Alpm.Signature.Level.DATABASE_MARGINAL_OK | Alpm.Signature.Level.DATABASE_UNKNOWN_OK);
 					}
 				} else {
 					GLib.stderr.printf("unrecognized siglevel: %s\n", conf_string);
 				}
 			}
-			siglevel &= ~Signature.Level.USE_DEFAULT;
+			siglevel &= ~Alpm.Signature.Level.USE_DEFAULT;
 		}

-		public Signature.Level merge_siglevel(Signature.Level sigbase, Signature.Level sigover, Signature.Level sigmask) {
+		public Alpm.Signature.Level merge_siglevel(Alpm.Signature.Level sigbase, Alpm.Signature.Level sigover, Alpm.Signature.Level sigmask) {
 			return (sigmask != 0) ? (sigover & sigmask) | (sigbase & ~sigmask) : sigover;
 		}
 	}
--- a/src/alpm_utils.vala
+++ b/src/alpm_utils.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2015  Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2015-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -17,22 +17,22 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-public int compare_name (Alpm.Package pkg_a, Alpm.Package pkg_b) {
+int compare_name (Alpm.Package pkg_a, Alpm.Package pkg_b) {
 	return strcmp (pkg_a.name, pkg_b.name);
 }

-public int compare_state (Alpm.Package pkg_a, Alpm.Package pkg_b) {
+int compare_state (Alpm.Package pkg_a, Alpm.Package pkg_b) {
 	return (int) (pkg_a.origin > pkg_b.origin) - (int) (pkg_a.origin < pkg_b.origin);
 }

-public int compare_version (Alpm.Package pkg_a, Alpm.Package pkg_b) {
+int compare_version (Alpm.Package pkg_a, Alpm.Package pkg_b) {
 	return Alpm.pkg_vercmp (pkg_a.version, pkg_b.version);
 }

-public int compare_repo (Alpm.Package pkg_a, Alpm.Package pkg_b) {
+int compare_repo (Alpm.Package pkg_a, Alpm.Package pkg_b) {
 	return strcmp (pkg_a.db.name, pkg_b.db.name);
 }

-public int compare_size (Alpm.Package pkg_a, Alpm.Package pkg_b) {
+int compare_size (Alpm.Package pkg_a, Alpm.Package pkg_b) {
 	return (int) (pkg_a.isize > pkg_b.isize) - (int) (pkg_a.isize < pkg_b.isize);
 }
--- a/src/aur_model.vala
+++ b/src/aur_model.vala
@ -20,13 +20,13 @@
 Pamac.ManagerWindow manager_window;

 // custom sort functions
-public int aur_compare_name (Json.Object pkg_a, Json.Object pkg_b) {
+int aur_compare_name (Json.Object pkg_a, Json.Object pkg_b) {
 	return strcmp (pkg_a.get_string_member ("Name"), pkg_b.get_string_member ("Name"));
 }

-public int aur_compare_state (Json.Object pkg_a, Json.Object pkg_b) {
-	unowned Alpm.Package? alpm_pkg_a = manager_window.alpm_config.handle.localdb.get_pkg (pkg_a.get_string_member ("Name"));
-	unowned Alpm.Package? alpm_pkg_b = manager_window.alpm_config.handle.localdb.get_pkg (pkg_b.get_string_member ("Name"));
+int aur_compare_state (Json.Object pkg_a, Json.Object pkg_b) {
+	unowned Alpm.Package? alpm_pkg_a = manager_window.transaction.alpm_config.handle.localdb.get_pkg (pkg_a.get_string_member ("Name"));
+	unowned Alpm.Package? alpm_pkg_b = manager_window.transaction.alpm_config.handle.localdb.get_pkg (pkg_b.get_string_member ("Name"));
 	if (pkg_a != null) {
 		if (pkg_b != null) {
 			return (int) (alpm_pkg_a.origin > alpm_pkg_b.origin) - (int) (alpm_pkg_a.origin < alpm_pkg_b.origin);
@ -42,17 +42,17 @@ public int aur_compare_state (Json.Object pkg_a, Json.Object pkg_b) {
 	}
 }

-public int aur_compare_version (Json.Object pkg_a, Json.Object pkg_b) {
+int aur_compare_version (Json.Object pkg_a, Json.Object pkg_b) {
 	return Alpm.pkg_vercmp (pkg_a.get_string_member ("Version"), pkg_b.get_string_member ("Version"));
 }

-public int aur_compare_votes (Json.Object pkg_a, Json.Object pkg_b) {
+int aur_compare_votes (Json.Object pkg_a, Json.Object pkg_b) {
 	return (int) (pkg_a.get_int_member ("NumVotes") > pkg_b.get_int_member ("NumVotes")) - (int) (pkg_a.get_int_member ("NumVotes") < pkg_b.get_int_member ("NumVotes"));
 }

 namespace Pamac {

-	public class AURModel : Object, Gtk.TreeModel {
+	class AURModel : Object, Gtk.TreeModel {
 		private Json.Array pkgs_infos;
 		private GLib.List<Json.Object?> pkgs;

@ -68,7 +68,7 @@ namespace Pamac {
 		}

 		// TreeModel interface
-		public Type get_column_type (int index) {
+		Type get_column_type (int index) {
 			switch (index) {
 				case 0: // name
 				case 2: // version
@ -82,11 +82,11 @@ namespace Pamac {
 			}
 		}

-		public Gtk.TreeModelFlags get_flags () {
+		Gtk.TreeModelFlags get_flags () {
 			return Gtk.TreeModelFlags.LIST_ONLY | Gtk.TreeModelFlags.ITERS_PERSIST;
 		}

-		public void get_value (Gtk.TreeIter iter, int column, out Value val) {
+		void get_value (Gtk.TreeIter iter, int column, out Value val) {
 			unowned Json.Object? pkg_info = pkgs.nth_data (iter.stamp);
 			switch (column) {
 				case 0:
@ -100,9 +100,9 @@ namespace Pamac {
 				case 1:
 					val = Value (typeof (Object));
 					if (pkg_info != null) {
-						unowned Alpm.Package? pkg = manager_window.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
+						unowned Alpm.Package? pkg = manager_window.transaction.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
 						if (pkg != null) {
-							if (manager_window.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) != null) {
+							if (manager_window.transaction.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) != null) {
 								val.set_object (manager_window.locked_icon);
 							} else if (manager_window.transaction.to_add.contains (pkg.name)) {
 								val.set_object (manager_window.to_reinstall_icon);
@ -121,7 +121,7 @@ namespace Pamac {
 				case 2:
 					val = Value (typeof (string));
 					if (pkg_info != null) {
-						unowned Alpm.Package? pkg = manager_window.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
+						unowned Alpm.Package? pkg = manager_window.transaction.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
 						if (pkg != null) {
 							val.set_string (pkg.version);
 						} else {
@ -144,7 +144,7 @@ namespace Pamac {
 			}
 		}

-		public bool get_iter (out Gtk.TreeIter iter, Gtk.TreePath path) {;
+		bool get_iter (out Gtk.TreeIter iter, Gtk.TreePath path) {;
 			if (path.get_depth () != 1) {
 				return invalid_iter (out iter);
 			}
@ -154,20 +154,20 @@ namespace Pamac {
 			return true;
 		}

-		public int get_n_columns () {
+		int get_n_columns () {
 			// name, icon, version, votes
 			return 4;
 		}

-		public Gtk.TreePath? get_path (Gtk.TreeIter iter) {
+		Gtk.TreePath? get_path (Gtk.TreeIter iter) {
 			return new Gtk.TreePath.from_indices (iter.stamp);
 		}

-		public int iter_n_children (Gtk.TreeIter? iter) {
+		int iter_n_children (Gtk.TreeIter? iter) {
 			return 0;
 		}

-		public bool iter_next (ref Gtk.TreeIter iter) {
+		bool iter_next (ref Gtk.TreeIter iter) {
 			int pos = (iter.stamp) + 1;
 			if (pos >= pkgs.length ()) {
 				return false;
@ -176,7 +176,7 @@ namespace Pamac {
 			return true;
 		}

-		public bool iter_previous (ref Gtk.TreeIter iter) {
+		bool iter_previous (ref Gtk.TreeIter iter) {
 			int pos = iter.stamp;
 			if (pos >= 0) {
 				return false;
@ -185,23 +185,23 @@ namespace Pamac {
 			return true;
 		}

-		public bool iter_nth_child (out Gtk.TreeIter iter, Gtk.TreeIter? parent, int n) {
+		bool iter_nth_child (out Gtk.TreeIter iter, Gtk.TreeIter? parent, int n) {
 			return invalid_iter (out iter);
 		}

-		public bool iter_children (out Gtk.TreeIter iter, Gtk.TreeIter? parent) {
+		bool iter_children (out Gtk.TreeIter iter, Gtk.TreeIter? parent) {
 			return invalid_iter (out iter);
 		}

-		public bool iter_has_child (Gtk.TreeIter iter) {
+		bool iter_has_child (Gtk.TreeIter iter) {
 			return false;
 		}

-		public bool iter_parent (out Gtk.TreeIter iter, Gtk.TreeIter child) {
+		bool iter_parent (out Gtk.TreeIter iter, Gtk.TreeIter child) {
 			return invalid_iter (out iter);
 		}

-		private bool invalid_iter (out Gtk.TreeIter iter) {
+		bool invalid_iter (out Gtk.TreeIter iter) {
 			iter = Gtk.TreeIter ();
 			iter.stamp = -1;
 			return false;
--- a/src/choose_dep_dialog.vala
+++ b/src/choose_dep_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,14 +20,12 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/manager/choose_dep_dialog.ui")]
-	public class ChooseDependenciesDialog : Gtk.Dialog {
+	class ChooseDependenciesDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.Label label;
 		[GtkChild]
 		public Gtk.TreeView treeview;
-		[GtkChild]
-		public Gtk.CellRendererToggle renderertoggle;

 		public Gtk.ListStore deps_list;

--- a/src/choose_ignorepkgs_dialog.vala
+++ b/src/choose_ignorepkgs_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2015-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,14 +20,12 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/preferences/choose_ignorepkgs_dialog.ui")]
-	public class ChooseIgnorepkgsDialog : Gtk.Dialog {
+	class ChooseIgnorepkgsDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.Label label;
 		[GtkChild]
 		public Gtk.TreeView treeview;
-		[GtkChild]
-		public Gtk.CellRendererToggle renderertoggle;

 		public Gtk.ListStore pkgs_list;

--- a/src/choose_provider_dialog.vala
+++ b/src/choose_provider_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,7 +20,7 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/transaction/choose_provider_dialog.ui")]
-	public class ChooseProviderDialog : Gtk.Dialog {
+	class ChooseProviderDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.Label label;
--- a/src/daemon.vala
+++ b/src/daemon.vala
@ -39,7 +39,7 @@ public class AlpmAction {
 namespace Pamac {
 	[DBus (name = "org.manjaro.pamac")]
 	public class Daemon: Object {
-		private Alpm.Config alpm_config;
+		private AlpmConfig alpm_config;
 		public Cond provider_cond;
 		public Mutex provider_mutex;
 		public int? choosen_provider;
@ -76,7 +76,7 @@ namespace Pamac {
 		public signal void generate_mirrors_list_finished ();

 		public Daemon () {
-			alpm_config = new Alpm.Config ("/etc/pacman.conf");
+			alpm_config = new AlpmConfig ("/etc/pacman.conf");
 			databases_lock_mutex = Mutex ();
 			aur_updates_results = new Json.Array ();
 			timer = new Timer ();
@ -283,7 +283,7 @@ namespace Pamac {
 		}

 		public void start_write_mirrors_config (HashTable<string,Variant> new_mirrors_conf, GLib.BusName sender) {
-			var mirrors_config = new Alpm.MirrorsConfig ("/etc/pacman-mirrors.conf");
+			var mirrors_config = new MirrorsConfig ("/etc/pacman-mirrors.conf");
 			check_authorization.begin (sender, (obj, res) => {
 				bool authorized = check_authorization.end (res);
 				if (authorized) {
@ -1159,7 +1159,7 @@ private int cb_fetch (string fileurl, string localpath, int force) {
 			// as actually being transferred during curl_easy_perform ()
 			else if (remote_size != -1 && bytes_dl != -1 && bytes_dl != remote_size) {
 				pamac_daemon.emit_log ((uint) Alpm.LogLevel.ERROR,
-										dgettext ("libalpm", "%s appears to be truncated: %jd/%jd bytes\n").printf (
+										_("%s appears to be truncated: %jd/%jd bytes\n").printf (
 											fileurl, bytes_dl, remote_size));
 				if (remove_partial_download) {
 					try {
@ -1214,7 +1214,7 @@ private int cb_fetch (string fileurl, string localpath, int force) {
 			if (!fileurl.has_suffix ("db.sig")) {
 				string hostname = url.get_uri ().split("/")[2];
 				pamac_daemon.emit_log ((uint) Alpm.LogLevel.ERROR,
-										dgettext ("libalpm", "failed retrieving file '%s' from %s : %s\n").printf (
+										_("failed retrieving file '%s' from %s : %s\n").printf (
 											url.get_basename (), hostname, error_buffer));
 			}
 			ret = -1;
--- a/src/history_dialog.vala
+++ b/src/history_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,7 +20,7 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/manager/history_dialog.ui")]
-	public class HistoryDialog : Gtk.Dialog {
+	class HistoryDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.TextView textview;
--- a/src/installer.vala
+++ b/src/installer.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -37,13 +37,13 @@ namespace Pamac {

 			pamac_run = check_pamac_running ();
 			if (pamac_run) {
-				var transaction_info_dialog = new TransactionInfoDialog (null);
-				transaction_info_dialog.set_title (dgettext (null, "Error"));
-				transaction_info_dialog.label.set_visible (true);
-				transaction_info_dialog.label.set_markup (dgettext (null, "Pamac is already running"));
-				transaction_info_dialog.expander.set_visible (false);
-				transaction_info_dialog.run ();
-				transaction_info_dialog.hide ();
+				var msg = new Gtk.MessageDialog (null,
+												Gtk.DialogFlags.MODAL,
+												Gtk.MessageType.ERROR,
+												Gtk.ButtonsType.OK,
+												dgettext (null, "Pamac is already running"));
+				msg.run ();
+				msg.destroy ();
 			} else {
 				transaction = new Pamac.Transaction (null);
 				transaction.finished.connect (on_transaction_finished);
@ -91,7 +91,7 @@ namespace Pamac {
 			return run;
 		}

-		public void on_transaction_finished () {
+		void on_transaction_finished () {
 			transaction.stop_daemon ();
 			this.release ();
 		}
--- a/src/manager.vala
+++ b/src/manager.vala
@ -37,13 +37,13 @@ namespace Pamac {

 			pamac_run = check_pamac_running ();
 			if (pamac_run) {
-				var transaction_info_dialog = new TransactionInfoDialog (null);
-				transaction_info_dialog.set_title (dgettext (null, "Error"));
-				transaction_info_dialog.label.set_visible (true);
-				transaction_info_dialog.label.set_markup (dgettext (null, "Pamac is already running"));
-				transaction_info_dialog.expander.set_visible (false);
-				transaction_info_dialog.run ();
-				transaction_info_dialog.hide ();
+				var msg = new Gtk.MessageDialog (null,
+												Gtk.DialogFlags.MODAL,
+												Gtk.MessageType.ERROR,
+												Gtk.ButtonsType.OK,
+												dgettext (null, "Pamac is already running"));
+				msg.run ();
+				msg.destroy ();
 			} else {
 				manager_window = new ManagerWindow (this);
 			}
--- a/src/manager_window.vala
+++ b/src/manager_window.vala
@ -17,15 +17,17 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+const string VERSION = "3.2.0";
+
 namespace Pamac {

-	public struct SortInfo {
+	struct SortInfo {
 		public int column_number;
 		public Gtk.SortType sort_type;
 	}

 	[GtkTemplate (ui = "/org/manjaro/pamac/manager/manager_window.ui")]
-	public class ManagerWindow : Gtk.ApplicationWindow {
+	class ManagerWindow : Gtk.ApplicationWindow {
 		// icons
 		public Gdk.Pixbuf? installed_icon;
 		public Gdk.Pixbuf? uninstalled_icon;
@ -36,7 +38,7 @@ namespace Pamac {

 		// manager objects
 		[GtkChild]
-		public Gtk.TreeView packages_treeview;
+		Gtk.TreeView packages_treeview;
 		[GtkChild]
 		public Gtk.TreeViewColumn packages_state_column;
 		[GtkChild]
@ -48,9 +50,9 @@ namespace Pamac {
 		[GtkChild]
 		public Gtk.TreeViewColumn packages_size_column;
 		[GtkChild]
-		public Gtk.TreeView aur_treeview;
+		Gtk.TreeView aur_treeview;
 		[GtkChild]
-		public Gtk.ScrolledWindow aur_scrolledwindow;
+		Gtk.ScrolledWindow aur_scrolledwindow;
 		[GtkChild]
 		public Gtk.TreeViewColumn aur_state_column;
 		[GtkChild]
@ -60,49 +62,45 @@ namespace Pamac {
 		[GtkChild]
 		public Gtk.TreeViewColumn aur_votes_column;
 		[GtkChild]
-		public Gtk.Notebook filters_notebook;
+		Gtk.Notebook filters_notebook;
 		[GtkChild]
-		public Gtk.SearchEntry search_entry;
+		Gtk.SearchEntry search_entry;
 		[GtkChild]
-		public Gtk.TreeView search_treeview;
+		Gtk.TreeView search_treeview;
 		[GtkChild]
-		public Gtk.TreeView groups_treeview;
+		Gtk.TreeView groups_treeview;
 		[GtkChild]
-		public Gtk.TreeView states_treeview;
+		Gtk.TreeView states_treeview;
 		[GtkChild]
-		public Gtk.TreeView repos_treeview;
+		Gtk.TreeView repos_treeview;
 		[GtkChild]
-		public Gtk.Notebook packages_notebook;
+		Gtk.Notebook packages_notebook;
 		[GtkChild]
-		public Gtk.Notebook properties_notebook;
+		Gtk.Notebook properties_notebook;
 		[GtkChild]
-		public Gtk.TreeView deps_treeview;
+		Gtk.TreeView deps_treeview;
 		[GtkChild]
-		public Gtk.TreeView details_treeview;
+		Gtk.TreeView details_treeview;
 		[GtkChild]
-		public Gtk.ScrolledWindow deps_scrolledwindow;
+		Gtk.ScrolledWindow files_scrolledwindow;
 		[GtkChild]
-		public Gtk.ScrolledWindow details_scrolledwindow;
+		Gtk.Label name_label;
 		[GtkChild]
-		public Gtk.ScrolledWindow files_scrolledwindow;
+		Gtk.Label desc_label;
 		[GtkChild]
-		public Gtk.Label name_label;
+		Gtk.Label link_label;
 		[GtkChild]
-		public Gtk.Label desc_label;
+		Gtk.Label licenses_label;
 		[GtkChild]
-		public Gtk.Label link_label;
+		Gtk.TextView files_textview;
 		[GtkChild]
-		public Gtk.Label licenses_label;
+		Gtk.Box search_aur_box;
 		[GtkChild]
-		public Gtk.TextView files_textview;
+		Gtk.Switch search_aur_button;
 		[GtkChild]
-		public Gtk.Box search_aur_box;
+		Gtk.Button valid_button;
 		[GtkChild]
-		public Gtk.Switch search_aur_button;
-		[GtkChild]
-		public Gtk.Button valid_button;
-		[GtkChild]
-		public Gtk.Button cancel_button;
+		Gtk.Button cancel_button;

 		// menu
 		Gtk.Menu right_click_menu;
@ -126,10 +124,9 @@ namespace Pamac {
 		PackagesModel packages_list;
 		AURModel aur_list;

-		public HashTable<string,Json.Array> aur_search_results;
-		public HashTable<string,Json.Object> aur_infos;
-
-		public Alpm.Config alpm_config;
+		HashTable<string,Json.Array> aur_search_results;
+		string current_package_path;
+		string current_aur_path;

 		public Transaction transaction;

@ -143,7 +140,7 @@ namespace Pamac {
 			Timeout.add (100, populate_window);
 		}

-		public bool populate_window () {
+		bool populate_window () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));

 			right_click_menu = new Gtk.Menu ();
@ -196,13 +193,10 @@ namespace Pamac {
 			transaction = new Transaction (this as Gtk.ApplicationWindow);
 			transaction.mode = Mode.MANAGER;
 			transaction.finished.connect (on_transaction_finished);
-			transaction.daemon.write_pamac_config_finished.connect (on_write_pamac_config_finished);
-			transaction.daemon.set_pkgreason_finished.connect (display_package_properties);
+			transaction.write_pamac_config_finished.connect (on_write_pamac_config_finished);
+			transaction.set_pkgreason_finished.connect (on_set_pkgreason_finished);

-			alpm_config = new Alpm.Config ("/etc/pacman.conf");
-			refresh_handle ();
-
-			unowned Alpm.Package? pkg = Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, "yaourt");
+			unowned Alpm.Package? pkg = Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, "yaourt");
 			if (pkg != null) {
 				support_aur (transaction.pamac_config.enable_aur, transaction.pamac_config.search_aur);
 			}
@ -213,7 +207,6 @@ namespace Pamac {
 			sortinfo = {0, Gtk.SortType.ASCENDING};

 			aur_search_results = new HashTable<string,Json.Array> (str_hash, str_equal);
-			aur_infos = new HashTable<string,Json.Object> (str_hash, str_equal);

 			update_lists ();
 			show_default_pkgs ();
@ -226,13 +219,17 @@ namespace Pamac {
 			if (recurse) {
 				transaction.flags |= Alpm.TransFlag.RECURSE;
 			}
-			unowned Alpm.Package? pkg = Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, "yaourt");
+			unowned Alpm.Package? pkg = Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, "yaourt");
 			if (pkg != null) {
 				support_aur (enable_aur, search_aur);
 			}
 		}

-		public void support_aur (bool enable_aur, bool search_aur) {
+		void on_set_pkgreason_finished () {
+			refresh_packages_list ();
+		}
+
+		void support_aur (bool enable_aur, bool search_aur) {
 			if (enable_aur) {
 				search_aur_button.set_active (search_aur);
 				search_aur_box.set_visible (true);
@ -244,27 +241,20 @@ namespace Pamac {
 			}
 		}

-		public void set_buttons_sensitive (bool sensitive) {
+		void set_buttons_sensitive (bool sensitive) {
 			valid_button.set_sensitive (sensitive);
 			cancel_button.set_sensitive (sensitive);
 		}

-		public void refresh_handle () {
-			alpm_config.get_handle ();
-			if (alpm_config.handle == null) {
-				stderr.printf (dgettext (null, "Failed to initialize alpm library"));
-			}
-		}
-
-		public async Alpm.List<unowned Alpm.Package?> search_all_dbs (string search_string) {
+		async Alpm.List<unowned Alpm.Package?> search_all_dbs (string search_string) {
 			var syncpkgs = new Alpm.List<unowned Alpm.Package?> ();
 			var needles = new Alpm.List<unowned string> ();
 			string[] splitted = search_string.split (" ");
 			foreach (unowned string part in splitted) {
 				needles.add (part);
 			}
-			var result = alpm_config.handle.localdb.search (needles);
-			foreach (var db in alpm_config.handle.syncdbs) {
+			var result = transaction.alpm_config.handle.localdb.search (needles);
+			foreach (var db in transaction.alpm_config.handle.syncdbs) {
 				if (syncpkgs.length == 0) {
 					syncpkgs = db.search (needles);
 				} else {
@ -276,26 +266,26 @@ namespace Pamac {
 			return result;
 		}

-		public async Alpm.List<unowned Alpm.Package?> get_group_pkgs (string grp_name) {
+		async Alpm.List<unowned Alpm.Package?> get_group_pkgs (string grp_name) {
 			var result = new Alpm.List<unowned Alpm.Package?> ();
-			unowned Alpm.Group? grp = alpm_config.handle.localdb.get_group (grp_name);
+			unowned Alpm.Group? grp = transaction.alpm_config.handle.localdb.get_group (grp_name);
 			if (grp != null) {
 				foreach (var pkg in grp.packages) {
 					result.add (pkg);
 				}
 			}
-			result.join (Alpm.find_group_pkgs (alpm_config.handle.syncdbs, grp_name).diff (result, (Alpm.List.CompareFunc) compare_name));
+			result.join (Alpm.find_group_pkgs (transaction.alpm_config.handle.syncdbs, grp_name).diff (result, (Alpm.List.CompareFunc) compare_name));
 			//result.sort ((Alpm.List.CompareFunc) compare_name);
 			return result;
 		}

-		public async Alpm.List<unowned Alpm.Package?> get_installed_pkgs () {
-			return alpm_config.handle.localdb.pkgcache.copy ();
+		async Alpm.List<unowned Alpm.Package?> get_installed_pkgs () {
+			return transaction.alpm_config.handle.localdb.pkgcache.copy ();
 		}

-		public async Alpm.List<unowned Alpm.Package?> get_orphans () {
+		async Alpm.List<unowned Alpm.Package?> get_orphans () {
 			var result = new Alpm.List<unowned Alpm.Package?> ();
-			foreach (var pkg in alpm_config.handle.localdb.pkgcache) {
+			foreach (var pkg in transaction.alpm_config.handle.localdb.pkgcache) {
 				if (pkg.reason == Alpm.Package.Reason.DEPEND) {
 					Alpm.List<string?> requiredby = pkg.compute_requiredby ();
 					if (requiredby.length == 0) {
@ -311,9 +301,9 @@ namespace Pamac {
 			return result;
 		}

-		public async Alpm.List<unowned Alpm.Package?> get_local_pkgs () {
+		async Alpm.List<unowned Alpm.Package?> get_local_pkgs () {
 			var result = new Alpm.List<unowned Alpm.Package?> ();
-			foreach (var pkg in alpm_config.handle.localdb.pkgcache) {
+			foreach (var pkg in transaction.alpm_config.handle.localdb.pkgcache) {
 				if (get_sync_pkg (pkg.name) == null) {
 					result.add (pkg);
 				}
@ -321,12 +311,12 @@ namespace Pamac {
 			return result;
 		}

-		public async Alpm.List<unowned Alpm.Package?> get_repo_pkgs (string reponame) {
+		async Alpm.List<unowned Alpm.Package?> get_repo_pkgs (string reponame) {
 			var result = new Alpm.List<unowned Alpm.Package?> ();
-			foreach (var db in alpm_config.handle.syncdbs) {
+			foreach (var db in transaction.alpm_config.handle.syncdbs) {
 				if (db.name == reponame) {
 					foreach (var sync_pkg in db.pkgcache) {
-						unowned Alpm.Package?local_pkg = alpm_config.handle.localdb.get_pkg (sync_pkg.name);
+						unowned Alpm.Package?local_pkg = transaction.alpm_config.handle.localdb.get_pkg (sync_pkg.name);
 						if (local_pkg != null) {
 							result.add (local_pkg);
 						} else {
@ -338,11 +328,11 @@ namespace Pamac {
 			return result;
 		}

-//~ 		public async Alpm.List<unowned Alpm.Package?> get_all_pkgs () {
+//~ 		async Alpm.List<unowned Alpm.Package?> get_all_pkgs () {
 //~ 			var syncpkgs = new Alpm.List<unowned Alpm.Package?> ();
 //~ 			var result = new Alpm.List<unowned Alpm.Package?> ();
-//~ 			result = alpm_config.handle.localdb.pkgcache.copy ();
-//~ 			foreach (var db in alpm_config.handle.syncdbs) {
+//~ 			result = transaction.alpm_config.handle.localdb.pkgcache.copy ();
+//~ 			foreach (var db in transaction.alpm_config.handle.syncdbs) {
 //~ 				if (syncpkgs.length == 0)
 //~ 					syncpkgs = db.pkgcache.copy ();
 //~ 				else {
@ -354,9 +344,9 @@ namespace Pamac {
 //~ 			return result;
 //~ 		}

-		public unowned Alpm.Package? get_sync_pkg (string pkgname) {
+		unowned Alpm.Package? get_sync_pkg (string pkgname) {
 			unowned Alpm.Package? pkg = null;
-			foreach (var db in alpm_config.handle.syncdbs) {
+			foreach (var db in transaction.alpm_config.handle.syncdbs) {
 				pkg = db.get_pkg (pkgname);
 				if (pkg != null) {
 					break;
@ -365,7 +355,7 @@ namespace Pamac {
 			return pkg;
 		}

-		public void show_default_pkgs () {
+		void show_default_pkgs () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			get_installed_pkgs.begin ((obj, res) => {
 				var pkgs = get_installed_pkgs.end (res);
@ -373,13 +363,13 @@ namespace Pamac {
 			});
 		}

-		public void update_lists () {
+		void update_lists () {
 			Gtk.TreeIter iter;
 			Gtk.TreeSelection selection;
 			selection = repos_treeview.get_selection ();
 			selection.changed.disconnect (on_repos_treeview_selection_changed);
 			var groups_names = new GLib.List<string> ();
-			foreach (var db in alpm_config.handle.syncdbs) {
+			foreach (var db in transaction.alpm_config.handle.syncdbs) {
 				repos_list.insert_with_values (out iter, -1, 0, db.name);
 				foreach (var group in db.groupcache) {
 					if (groups_names.find_custom (group.name, strcmp) == null) {
@ -394,7 +384,7 @@ namespace Pamac {

 			selection = groups_treeview.get_selection ();
 			selection.changed.disconnect (on_groups_treeview_selection_changed);
-			foreach (var group in alpm_config.handle.localdb.groupcache) {
+			foreach (var group in transaction.alpm_config.handle.localdb.groupcache) {
 				if (groups_names.find_custom (group.name, strcmp) == null) {
 					groups_names.append (group.name);
 				}
@ -419,7 +409,7 @@ namespace Pamac {
 			selection.changed.connect_after (on_states_treeview_selection_changed);
 		}

-		public void set_package_infos_list (Alpm.Package pkg) {
+		void set_package_infos_list (Alpm.Package pkg) {
 			name_label.set_markup ("<big><b>%s  %s</b></big>".printf (pkg.name, pkg.version));
 			desc_label.set_markup (Markup.escape_text (pkg.desc));
 			string url = Markup.escape_text (pkg.url);
@ -434,21 +424,13 @@ namespace Pamac {
 			licenses_label.set_markup (licenses.str);
 		}

-		public async Json.Object get_aur_infos (string aur_name) {
-			if (!aur_infos.contains (aur_name)) {
-				this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
-				Json.Array results = AUR.multiinfo ({aur_name});
-				aur_infos.insert (aur_name, results.get_object_element (0));
-				this.get_window ().set_cursor (null);
-			}
-			return aur_infos.lookup (aur_name);
-		}
-
-		public async void set_aur_infos_list (Json.Object pkg_info) {
+		async void set_aur_infos_list (Json.Object pkg_info) {
 			unowned Json.Node? node;
 			node = pkg_info.get_member ("Name");
 			unowned string name = node.get_string ();
-			Json.Object all_infos = yield get_aur_infos (name);
+			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
+			Json.Object all_infos = yield transaction.get_aur_infos (name);
+			this.get_window ().set_cursor (null);
 			node = all_infos.get_member ("Version");
 			name_label.set_markup ("<big><b>%s  %s</b></big>".printf (name, node.get_string ()));
 			node = all_infos.get_member ("Description");
@ -479,7 +461,7 @@ namespace Pamac {
 			licenses_label.set_markup (licenses.str);
 		}

-		public void set_package_deps_list (Alpm.Package pkg) {
+		void set_package_deps_list (Alpm.Package pkg) {
 			deps_list.clear ();
 			Gtk.TreeIter iter;
 			unowned Alpm.List<unowned Alpm.Depend> deps = pkg.depends;
@ -499,7 +481,7 @@ namespace Pamac {
 				list = deps;
 				string optdep_str = list.data.compute_string ();
 				var optdep = new StringBuilder (optdep_str);
-				if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
+				if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
 					optdep.append (" [");
 					optdep.append (dgettext (null, "Installed"));
 					optdep.append ("]");
@ -510,7 +492,7 @@ namespace Pamac {
 				for (list = list.next (); list != null; list = list.next ()) {
 					optdep_str = list.data.compute_string ();
 					optdep = new StringBuilder (optdep_str);
-					if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
+					if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
 						optdep.append (" [");
 						optdep.append (dgettext (null, "Installed"));
 						optdep.append ("]");
@ -580,12 +562,14 @@ namespace Pamac {
 			}
 		}

-		public async void set_aur_deps_list (Json.Object pkg_info) {
+		async void set_aur_deps_list (Json.Object pkg_info) {
 			deps_list.clear ();
 			Gtk.TreeIter iter;
 			unowned Json.Node? node;
 			node = pkg_info.get_member ("Name");
-			Json.Object all_infos = yield get_aur_infos (node.get_string ());
+			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
+			Json.Object all_infos = yield transaction.get_aur_infos (node.get_string ());
+			this.get_window ().set_cursor (null);
 			unowned Json.Array deps;
 			uint i;
 			uint length;
@ -636,7 +620,7 @@ namespace Pamac {
 				deps = node.get_array ();
 				string optdep_str = deps.get_string_element (0);
 				var optdep = new StringBuilder (optdep_str);
-				if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
+				if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep_str) != null) {
 					optdep.append (" [");
 					optdep.append (dgettext (null, "Installed"));
 					optdep.append ("]");
@ -649,7 +633,7 @@ namespace Pamac {
 				while (i < length) {
 					optdep_str = deps.get_string_element (i);
 					optdep = new StringBuilder (optdep_str);
-					if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep_str.split (": ", 2)[0]) != null) {
+					if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep_str.split (": ", 2)[0]) != null) {
 						optdep.append (" [");
 						optdep.append (dgettext (null, "Installed"));
 						optdep.append ("]");
@ -702,7 +686,7 @@ namespace Pamac {
 			}
 		}

-		public void set_package_details_list (Alpm.Package pkg) {
+		void set_package_details_list (Alpm.Package pkg) {
 			details_list.clear ();
 			Gtk.TreeIter iter;
 			if (pkg.origin == Alpm.Package.From.SYNCDB) {
@ -768,7 +752,7 @@ namespace Pamac {
 			}
 		}

-		public void set_aur_details_list (Json.Object pkg_info) {
+		void set_aur_details_list (Json.Object pkg_info) {
 			details_list.clear ();
 			Gtk.TreeIter iter;
 			unowned Json.Node? node;
@ -807,7 +791,7 @@ namespace Pamac {
 			}
 		}

-		public void set_package_files_list (Alpm.Package pkg) {
+		void set_package_files_list (Alpm.Package pkg) {
 			StringBuilder text = new StringBuilder (); 
 			foreach (var file in pkg.files) {
 				if (text.len != 0) {
@ -819,9 +803,9 @@ namespace Pamac {
 			files_textview.buffer.set_text (text.str, (int) text.len);
 		}

-		public void populate_packages_list (owned Alpm.List<unowned Alpm.Package?>? pkgs) {
-			packages_treeview.freeze_child_notify ();
-			packages_treeview.set_model (null);
+		void populate_packages_list (owned Alpm.List<unowned Alpm.Package?>? pkgs) {
+			Gtk.TreeSelection selection = packages_treeview.get_selection ();
+			selection.changed.disconnect (on_packages_treeview_selection_changed);

 			// populate liststore
 			packages_list = new PackagesModel ((owned) pkgs, this);
@ -849,14 +833,15 @@ namespace Pamac {
 			}

 			packages_treeview.set_model (packages_list);
-			packages_treeview.thaw_child_notify ();
+			selection.changed.connect (on_packages_treeview_selection_changed);

+			display_package_properties ();
 			this.get_window ().set_cursor (null);
 		}

-		public void populate_aur_list (Json.Array? pkgs_infos) {
-			aur_treeview.freeze_child_notify ();
-			aur_treeview.set_model (null);
+		void populate_aur_list (Json.Array? pkgs_infos) {
+			Gtk.TreeSelection selection = aur_treeview.get_selection ();
+			selection.changed.disconnect (on_aur_treeview_selection_changed);

 			// populate liststore
 			aur_list = new AURModel (pkgs_infos, this);
@ -881,12 +866,13 @@ namespace Pamac {
 			}

 			aur_treeview.set_model (aur_list);
-			aur_treeview.thaw_child_notify ();
+			selection.changed.connect (on_aur_treeview_selection_changed);

+			display_package_properties();
 			this.get_window ().set_cursor (null);
 		}

-		public void refresh_packages_list () {
+		void refresh_packages_list () {
 			switch (filters_notebook.get_current_page ()) {
 				case 0:
 					if (search_aur_button.get_active ()) {
@ -916,14 +902,33 @@ namespace Pamac {
 			}
 		}

-		public void display_package_properties () {
+		void display_package_properties () {
 			switch (packages_notebook.get_current_page ()) {
 				case 0:
 					Gtk.TreeSelection selection = packages_treeview.get_selection ();
 					GLib.List<Gtk.TreePath> selected = selection.get_selected_rows (null);
-					if (selected.length () > 0) {
+					unowned GLib.List<Gtk.TreePath>? first_element = selected.nth (0);
+					if (first_element == null) {
+						Gtk.TreeIter? iter;
+						if (current_package_path == null) {
+							packages_list.get_iter_first (out iter);
+							selection.select_iter (iter);
+							current_package_path = packages_list.get_path (iter).to_string ();
+						} else {
+							// check if current_package_path is valid else select first iter
+							if (packages_list.get_iter_from_string (out iter, current_package_path)) {
+								selection.select_iter (iter);
+							} else {
+								packages_list.get_iter_first (out iter);
+								selection.select_iter (iter);
+								current_package_path = packages_list.get_path (iter).to_string ();
+							}
+						}
+					} else {
 						// display info for the first package of the selection
-						unowned Alpm.Package? pkg = packages_list.get_pkg_at_path (selected.nth_data (0));
+						current_package_path = first_element.data.to_string ();
+					}
+					unowned Alpm.Package? pkg = packages_list.get_pkg_at_path (new Gtk.TreePath.from_string (current_package_path));
 					if (pkg == null) {
 						return;
 					}
@ -950,19 +955,54 @@ namespace Pamac {
 						default:
 							break;
 					}
-					}
 					break;
 				case 1:
 					Gtk.TreeSelection selection = aur_treeview.get_selection ();
 					GLib.List<Gtk.TreePath> selected = selection.get_selected_rows (null);
-					if (selected.length () > 0) {
+					unowned GLib.List<Gtk.TreePath>? first_element = selected.nth (0);
+					if (first_element == null) {
+						Gtk.TreeIter? iter;
+						if (current_aur_path == null) {
+							aur_list.get_iter_first (out iter);
+							selection.select_iter (iter);
+							current_aur_path = aur_list.get_path (iter).to_string ();
+						} else {
+							// check if current_package_path is valid else select first iter
+							if (aur_list.get_iter_from_string (out iter, current_aur_path)) {
+								selection.select_iter (iter);
+							} else {
+								aur_list.get_iter_first (out iter);
+								selection.select_iter (iter);
+								current_aur_path = aur_list.get_path (iter).to_string ();
+							}
+						}
+					} else {
 						// display info for the first package of the selection
-						unowned Json.Object? pkg_info = aur_list.get_pkg_at_path (selected.nth_data (0));
+						current_aur_path = first_element.data.to_string ();
+					}
+					unowned Json.Object? pkg_info = aur_list.get_pkg_at_path (new Gtk.TreePath.from_string (current_aur_path));
 					if (pkg_info == null) {
 						return;
 					}
-						unowned Alpm.Package? pkg = alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
-						if (pkg != null) {
+					unowned Alpm.Package? pkg = transaction.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
+					if (pkg == null) {
+						files_scrolledwindow.visible = false;
+						switch (properties_notebook.get_current_page ()) {
+							case 0:
+								set_aur_infos_list.begin (pkg_info);
+								break;
+							case 1:
+								set_aur_deps_list.begin (pkg_info);
+								break;
+							case 2:
+								set_aur_details_list (pkg_info);
+								break;
+							case 3:
+								break;
+							default:
+								break;
+						}
+					} else {
 						files_scrolledwindow.visible = true;
 						switch (properties_notebook.get_current_page ()) {
 							case 0:
@ -980,25 +1020,6 @@ namespace Pamac {
 							default:
 								break;
 						}
-						} else {
-							files_scrolledwindow.visible = false;
-							switch (properties_notebook.get_current_page ()) {
-								case 0:
-									set_aur_infos_list.begin (pkg_info);
-									break;
-								case 1:
-									set_aur_deps_list.begin (pkg_info);
-									break;
-								case 2:
-									set_aur_details_list (pkg_info);
-									break;
-								case 3:
-									break;
-								default:
-									break;
-							}
-							break;
-						}
 					}
 					break;
 				default:
@ -1007,29 +1028,29 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_treeview_selection_changed () {
+		void on_packages_treeview_selection_changed () {
 			display_package_properties ();
 		}

 		[GtkCallback]
-		public void on_aur_treeview_selection_changed () {
+		void on_aur_treeview_selection_changed () {
 			display_package_properties ();
 		}

 		[GtkCallback]
-		public void on_properties_notebook_switch_page (Gtk.Widget page, uint page_num) {
+		void on_properties_notebook_switch_page (Gtk.Widget page, uint page_num) {
 			display_package_properties ();
 		}

 		[GtkCallback]
-		public void on_packages_treeview_row_activated (Gtk.TreeView treeview, Gtk.TreePath path, Gtk.TreeViewColumn column) {
+		void on_packages_treeview_row_activated (Gtk.TreeView treeview, Gtk.TreePath path, Gtk.TreeViewColumn column) {
 			unowned Alpm.Package? pkg = packages_list.get_pkg_at_path (path);
 			if (pkg != null) {
 				if (transaction.to_add.remove (pkg.name)) {
 				} else if (transaction.to_remove.remove (pkg.name)) {
 				} else {
 					if (pkg.origin == Alpm.Package.From.LOCALDB) {
-						if (alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
+						if (transaction.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
 							transaction.to_remove.add (pkg.name);
 						}
 					} else {
@ -1047,13 +1068,13 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_aur_treeview_row_activated (Gtk.TreeView treeview, Gtk.TreePath path, Gtk.TreeViewColumn column) {
+		void on_aur_treeview_row_activated (Gtk.TreeView treeview, Gtk.TreePath path, Gtk.TreeViewColumn column) {
 			unowned Json.Object? pkg_info = aur_list.get_pkg_at_path (path);
 			if (pkg_info != null) {
-				unowned Alpm.Package? pkg = alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
+				unowned Alpm.Package? pkg = transaction.alpm_config.handle.localdb.get_pkg (pkg_info.get_string_member ("Name"));
 				if (pkg != null) {
 					if (pkg.origin == Alpm.Package.From.LOCALDB) {
-						if (alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
+						if (transaction.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
 							transaction.to_remove.add (pkg.name);
 						}
 					}
@ -1100,7 +1121,7 @@ namespace Pamac {
 		void on_remove_item_activate () {
 			foreach (var pkg in selected_pkgs) {
 				transaction.to_add.remove (pkg.name);
-				if (alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
+				if (transaction.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) == null) {
 					if (pkg.origin == Alpm.Package.From.LOCALDB) {
 						transaction.to_remove.add (pkg.name);
 					}
@ -1129,13 +1150,13 @@ namespace Pamac {
 			}
 		}

-		public void choose_opt_dep (Alpm.List<unowned Alpm.Package?> pkgs) {
+		void choose_opt_dep (Alpm.List<unowned Alpm.Package?> pkgs) {
 			foreach (var pkg in pkgs) {
 				var choose_dep_dialog = new ChooseDependenciesDialog (this);
 				Gtk.TreeIter iter;
 				int length = 0;
 				foreach (var optdep in pkg.optdepends) {
-					if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep.name) == null) {
+					if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep.name) == null) {
 						length++;
 						choose_dep_dialog.deps_list.insert_with_values (out iter, -1,
 											0, false,
@ -1144,7 +1165,7 @@ namespace Pamac {
 					}
 				}
 				choose_dep_dialog.label.set_markup ("<b>%s</b>".printf (
-					dngettext (null, "%s has %u uninstalled optional dependency.\nChoose if you would like to install it",
+					ngettext ("%s has %u uninstalled optional dependency.\nChoose if you would like to install it",
 							"%s has %u uninstalled optional dependencies.\nChoose those you would like to install", length).printf (pkg.name, length)));
 				if (choose_dep_dialog.run () == Gtk.ResponseType.OK) {
 					choose_dep_dialog.deps_list.foreach ((model, path, iter) => {
@ -1180,10 +1201,9 @@ namespace Pamac {
 			foreach (var pkg in selected_pkgs) {
 				transaction.start_set_pkgreason (pkg.name, Alpm.Package.Reason.EXPLICIT);
 			}
-			refresh_packages_list ();
 		}

-		public async void search_in_aur (string search_string) {
+		async void search_in_aur (string search_string) {
 			if (!aur_search_results.contains (search_string)) {
 				Json.Array results = AUR.search (search_string.split (" "));
 				aur_search_results.insert (search_string, results);
@ -1191,7 +1211,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_notebook_switch_page (Gtk.Widget page, uint page_num) {
+		void on_packages_notebook_switch_page (Gtk.Widget page, uint page_num) {
 			Gtk.TreeModel model;
 			Gtk.TreeIter? iter;
 			Gtk.TreeSelection selection = search_treeview.get_selection ();
@ -1219,7 +1239,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public bool on_packages_treeview_button_press_event (Gdk.EventButton event) {
+		bool on_packages_treeview_button_press_event (Gdk.EventButton event) {
 			packages_treeview.grab_focus ();
 			// Check if right mouse button was clicked
 			if (event.type == Gdk.EventType.BUTTON_PRESS && event.button == 3) {
@ -1269,7 +1289,7 @@ namespace Pamac {
 					clicked_pkg = selected_pkgs.data;
 					if (clicked_pkg.origin == Alpm.Package.From.LOCALDB) {
 						foreach (var optdep in clicked_pkg.optdepends) {
-							if (Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, optdep.name) == null) {
+							if (Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, optdep.name) == null) {
 								install_optional_deps_item.set_sensitive (true);
 								break;
 							}
@ -1293,7 +1313,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public bool on_aur_treeview_button_press_event (Gdk.EventButton event) {
+		bool on_aur_treeview_button_press_event (Gdk.EventButton event) {
 			aur_treeview.grab_focus ();
 			// Check if right mouse button was clicked
 			if (event.type == Gdk.EventType.BUTTON_PRESS && event.button == 3) {
@ -1319,7 +1339,7 @@ namespace Pamac {
 				selected_pkgs = new Alpm.List<unowned Alpm.Package?> ();
 				selected_aur = new GLib.List<unowned Json.Object> ();
 				foreach (unowned Gtk.TreePath path in selected_paths) {
-					unowned Alpm.Package? pkg = alpm_config.handle.localdb.get_pkg (clicked_pkg_info.get_string_member ("Name"));
+					unowned Alpm.Package? pkg = transaction.alpm_config.handle.localdb.get_pkg (clicked_pkg_info.get_string_member ("Name"));
 					if (pkg != null) {
 						selected_pkgs.add (pkg);
 						// there is for sure a pkg to remove
@ -1354,7 +1374,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_name_column_clicked () {
+		void on_packages_name_column_clicked () {
 			Gtk.SortType new_order;
 			if (!packages_name_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1371,7 +1391,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_aur_name_column_clicked () {
+		void on_aur_name_column_clicked () {
 			Gtk.SortType new_order;
 			if (!aur_name_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1388,7 +1408,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_state_column_clicked () {
+		void on_packages_state_column_clicked () {
 			Gtk.SortType new_order;
 			if (!packages_state_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1405,7 +1425,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_aur_state_column_clicked () {
+		void on_aur_state_column_clicked () {
 			Gtk.SortType new_order;
 			if (!aur_state_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1422,7 +1442,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_version_column_clicked () {
+		void on_packages_version_column_clicked () {
 			Gtk.SortType new_order;
 			if (!packages_version_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1439,7 +1459,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_aur_version_column_clicked () {
+		void on_aur_version_column_clicked () {
 			Gtk.SortType new_order;
 			if (!aur_version_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1456,7 +1476,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_repo_column_clicked () {
+		void on_packages_repo_column_clicked () {
 			Gtk.SortType new_order;
 			if (!packages_repo_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1473,7 +1493,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_packages_size_column_clicked () {
+		void on_packages_size_column_clicked () {
 			Gtk.SortType new_order;
 			if (!packages_size_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1490,7 +1510,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_aur_votes_column_clicked () {
+		void on_aur_votes_column_clicked () {
 			Gtk.SortType new_order;
 			if (!aur_votes_column.sort_indicator) {
 				new_order = Gtk.SortType.ASCENDING;
@ -1507,7 +1527,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_search_entry_activate () {
+		void on_search_entry_activate () {
 			unowned string search_string = search_entry.get_text ();
 			if (search_string != "") {
 				this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
@ -1540,7 +1560,6 @@ namespace Pamac {
 					});
 				}
 				if (!found) {
-					
 					search_list.insert_with_values (out iter, -1, 0, search_string);
 					// we select the iter in search_list
 					// it will populate the list with the selection changed signal
@ -1550,12 +1569,12 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void  on_search_entry_icon_press () {
+		void  on_search_entry_icon_press () {
 			on_search_entry_activate ();
 		}

 		[GtkCallback]
-		public void on_search_treeview_selection_changed () {
+		void on_search_treeview_selection_changed () {
 			Gtk.TreeModel model;
 			Gtk.TreeIter? iter;
 			Gtk.TreeSelection selection = search_treeview.get_selection ();
@ -1597,7 +1616,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_groups_treeview_selection_changed () {
+		void on_groups_treeview_selection_changed () {
 			Gtk.TreeModel model;
 			Gtk.TreeIter? iter;
 			Gtk.TreeSelection selection = groups_treeview.get_selection ();
@ -1613,7 +1632,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_states_treeview_selection_changed () {
+		void on_states_treeview_selection_changed () {
 			Gtk.TreeModel model;
 			Gtk.TreeIter? treeiter;
 			Gtk.TreeSelection selection = states_treeview.get_selection ();
@ -1625,7 +1644,7 @@ namespace Pamac {
 				if (state == dgettext (null, "To install")) {
 					var pkgs = new Alpm.List<unowned Alpm.Package?> ();
 					foreach (unowned string pkgname in transaction.to_add) {
-						unowned Alpm.Package? pkg = alpm_config.handle.localdb.get_pkg (pkgname);
+						unowned Alpm.Package? pkg = transaction.alpm_config.handle.localdb.get_pkg (pkgname);
 						if (pkg == null) {
 							pkg = get_sync_pkg (pkgname);
 						}
@ -1637,7 +1656,7 @@ namespace Pamac {
 				} else if (state == dgettext (null, "To remove")) {
 					var pkgs = new Alpm.List<unowned Alpm.Package?> ();
 					foreach (unowned string pkgname in transaction.to_remove) {
-						unowned Alpm.Package? pkg = alpm_config.handle.localdb.get_pkg (pkgname);
+						unowned Alpm.Package? pkg = transaction.alpm_config.handle.localdb.get_pkg (pkgname);
 						if (pkg != null) {
 							pkgs.add (pkg);
 						}
@ -1663,7 +1682,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_repos_treeview_selection_changed () {
+		void on_repos_treeview_selection_changed () {
 			Gtk.TreeModel model;
 			Gtk.TreeIter? iter;
 			Gtk.TreeSelection selection = repos_treeview.get_selection ();
@ -1687,12 +1706,12 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_filters_notebook_switch_page (Gtk.Widget page, uint page_num) {
+		void on_filters_notebook_switch_page (Gtk.Widget page, uint page_num) {
 			refresh_packages_list ();
 		}

 		[GtkCallback]
-		public void on_history_item_activate () {
+		void on_history_item_activate () {
 			var file = GLib.File.new_for_path ("/var/log/pamac.log");
 			if (!file.query_exists ()) {
 				GLib.stderr.printf ("File '%s' doesn't exist.\n", file.get_path ());
@ -1724,7 +1743,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_local_item_activate () {
+		void on_local_item_activate () {
 			Gtk.FileChooserDialog chooser = new Gtk.FileChooserDialog (
 					dgettext (null, "Install Local Packages"), this, Gtk.FileChooserAction.OPEN,
 					dgettext (null, "_Cancel"), Gtk.ResponseType.CANCEL,
@ -1760,31 +1779,13 @@ namespace Pamac {
 			}
 		}

-		public async void run_preferences_dialog () {
-			SourceFunc callback = run_preferences_dialog.callback;
-			ulong handler_id = transaction.daemon.get_authorization_finished.connect ((authorized) => {
-				if (authorized) {
-					var preferences_dialog = new PreferencesDialog (this, transaction);
-					preferences_dialog.run ();
-					preferences_dialog.destroy ();
-					while (Gtk.events_pending ()) {
-						Gtk.main_iteration ();
-					}
-				}
-				Idle.add((owned) callback);
-			});
-			transaction.start_get_authorization ();
-			yield;
-			transaction.daemon.disconnect (handler_id);
+		[GtkCallback]
+		void on_preferences_item_activate () {
+			transaction.run_preferences_dialog.begin ();
 		}

 		[GtkCallback]
-		public void on_preferences_item_activate () {
-			run_preferences_dialog.begin ();
-		}
-
-		[GtkCallback]
-		public void on_about_item_activate () {
+		void on_about_item_activate () {
 			Gtk.show_about_dialog (
 				this,
 				"program_name", "Pamac",
@ -1797,13 +1798,13 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_valid_button_clicked () {
+		void on_valid_button_clicked () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			transaction.run ();
 		}

 		[GtkCallback]
-		public void on_cancel_button_clicked () {
+		void on_cancel_button_clicked () {
 			transaction.clear_lists ();
 			set_buttons_sensitive (false);
 			// force a display refresh
@ -1812,15 +1813,14 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_refresh_button_clicked () {
+		void on_refresh_button_clicked () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			transaction.start_refresh (false);
 		}

-		public void on_transaction_finished (bool database_modified) {
+		void on_transaction_finished (bool database_modified) {
 			if (database_modified) {
 				set_buttons_sensitive (false);
-				refresh_handle ();
 				refresh_packages_list ();
 			} else {
 				this.get_window ().set_cursor (null);
--- a/src/mirrors_config.vala
+++ b/src/mirrors_config.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -17,9 +17,9 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-namespace Alpm {
+namespace Pamac {
 	[Compact]
-	public class MirrorsConfig: Object {
+	public class MirrorsConfig {
 		public string conf_path;
 		public string mirrorlists_dir;
 		public string choosen_generation_method;
--- a/src/package.vala
+++ b/src/package.vala
@ -1,95 +0,0 @@
-/*
- *  pamac-vala
- *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
- *
- *  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 get of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-namespace Pamac {
-	public struct Package {
-		public string name;
-		public string version;
-		public string desc;
-		public string repo;
-		public uint64 size;
-		public string size_string;
-		public string url;
-		public string licenses;
-		public int reason;
-
-		public Package (Alpm.Package? alpm_pkg, Json.Object? aur_json) {
-			if (alpm_pkg != null) {
-				name = alpm_pkg.name;
-				version = alpm_pkg.version;
-				desc = alpm_pkg.desc;
-				repo = alpm_pkg.db != null ? alpm_pkg.db.name : "";
-				size = alpm_pkg.isize;
-				size_string = format_size (alpm_pkg.isize);
-				// alpm pkg url can be null
-				url = alpm_pkg.url ?? "";
-				StringBuilder licenses_build = new StringBuilder ();
-				foreach (var license in alpm_pkg.licenses) {
-					if (licenses_build.len != 0) {
-						licenses_build.append (" ");
-					}
-					licenses_build.append (license);
-				}
-				licenses = licenses_build.str;
-				reason = alpm_pkg.reason;
-			} else if (aur_json != null ) {
-				name = aur_json.get_string_member ("Name");
-				version = aur_json.get_string_member ("Version");
-				desc = aur_json.get_string_member ("Description");
-				repo = "AUR";
-				size = 0;
-				size_string = "";
-				url = aur_json.get_string_member ("URL") ?? "";
-				licenses = aur_json.get_string_member ("License") ?? dgettext (null, "Unknown");
-				reason = 0;
-			} else {
-				name = "";
-				version = "";
-				desc = "";
-				repo = "";
-				size = 0;
-				size_string = "";
-				url = "";
-				licenses= "";
-				reason = 0;
-			}
-		}
-	}
-
-	public struct PackageDetails {
-		string repo;
-		string has_signature;
-		int reason;
-		string packager;
-		string install_date;
-		string[] groups;
-		string[] backups;
-	}
-
-	public struct PackageDeps {
-		string repo;
-		string[] depends;
-		string[] optdepends;
-		string[] requiredby;
-		string[] optionalfor;
-		string[] provides;
-		string[] replaces;
-		string[] conflicts;
-	}
-}
--- a/src/packages_model.vala
+++ b/src/packages_model.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -19,7 +19,7 @@

 namespace Pamac {

-	public class PackagesModel : Object, Gtk.TreeModel {
+	class PackagesModel : Object, Gtk.TreeModel {
 		private Alpm.List<unowned Alpm.Package?>? pkgs;
 		private ManagerWindow manager_window;

@ -43,11 +43,11 @@ namespace Pamac {
 			}
 		}

-		public Gtk.TreeModelFlags get_flags () {
+		Gtk.TreeModelFlags get_flags () {
 			return Gtk.TreeModelFlags.LIST_ONLY | Gtk.TreeModelFlags.ITERS_PERSIST;
 		}

-		public void get_value (Gtk.TreeIter iter, int column, out Value val) {
+		void get_value (Gtk.TreeIter iter, int column, out Value val) {
 			unowned Alpm.Package? pkg = pkgs.nth (iter.stamp).data;
 			switch (column) {
 				case 0:
@ -62,7 +62,7 @@ namespace Pamac {
 					val = Value (typeof (Object));
 					if (pkg != null) {
 						if (pkg.origin == Alpm.Package.From.LOCALDB) {
-							if (manager_window.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) != null) {
+							if (manager_window.transaction.alpm_config.holdpkgs.find_custom (pkg.name, strcmp) != null) {
 								val.set_object (manager_window.locked_icon);
 							} else if (manager_window.transaction.to_add.contains (pkg.name)) {
 								val.set_object (manager_window.to_reinstall_icon);
@ -102,30 +102,38 @@ namespace Pamac {
 			}
 		}

-		public bool get_iter (out Gtk.TreeIter iter, Gtk.TreePath path) {;
-			if (path.get_depth () != 1) {
-				return invalid_iter (out iter);
-			}
-			iter = Gtk.TreeIter ();
+		bool get_iter (out Gtk.TreeIter iter, Gtk.TreePath path) {
+			if (path.get_depth () == 1) {
 				int pos = path.get_indices ()[0];
+				// return a valid iter for pos == 0 to display "No package found"
+				if (pos < pkgs.length || pos == 0) {
+					iter = Gtk.TreeIter ();
 					iter.stamp = pos;
 					return true;
 				}
+			}
+			return invalid_iter (out iter);
+		}

-		public int get_n_columns () {
+		int get_n_columns () {
 			// name, icon, version, repo, isize
 			return 5;
 		}

-		public Gtk.TreePath? get_path (Gtk.TreeIter iter) {
-			return new Gtk.TreePath.from_indices (iter.stamp);
+		Gtk.TreePath? get_path (Gtk.TreeIter iter) {
+			int pos = iter.stamp;
+			// return a valid path for pos == 0 to display "No package found"
+			if (pos < pkgs.length || pos == 0) {
+				return new Gtk.TreePath.from_indices (pos);
+			}
+			return null;
 		}

-		public int iter_n_children (Gtk.TreeIter? iter) {
+		int iter_n_children (Gtk.TreeIter? iter) {
 			return 0;
 		}

-		public bool iter_next (ref Gtk.TreeIter iter) {
+		bool iter_next (ref Gtk.TreeIter iter) {
 			int pos = (iter.stamp) + 1;
 			if (pos >= pkgs.length) {
 				return false;
@ -134,7 +142,7 @@ namespace Pamac {
 			return true;
 		}

-		public bool iter_previous (ref Gtk.TreeIter iter) {
+		bool iter_previous (ref Gtk.TreeIter iter) {
 			int pos = iter.stamp;
 			if (pos >= 0) {
 				return false;
@ -143,23 +151,23 @@ namespace Pamac {
 			return true;
 		}

-		public bool iter_nth_child (out Gtk.TreeIter iter, Gtk.TreeIter? parent, int n) {
+		bool iter_nth_child (out Gtk.TreeIter iter, Gtk.TreeIter? parent, int n) {
 			return invalid_iter (out iter);
 		}

-		public bool iter_children (out Gtk.TreeIter iter, Gtk.TreeIter? parent) {
+		bool iter_children (out Gtk.TreeIter iter, Gtk.TreeIter? parent) {
 			return invalid_iter (out iter);
 		}

-		public bool iter_has_child (Gtk.TreeIter iter) {
+		bool iter_has_child (Gtk.TreeIter iter) {
 			return false;
 		}

-		public bool iter_parent (out Gtk.TreeIter iter, Gtk.TreeIter child) {
+		bool iter_parent (out Gtk.TreeIter iter, Gtk.TreeIter child) {
 			return invalid_iter (out iter);
 		}

-		private bool invalid_iter (out Gtk.TreeIter iter) {
+		bool invalid_iter (out Gtk.TreeIter iter) {
 			iter = Gtk.TreeIter ();
 			iter.stamp = -1;
 			return false;
@ -167,7 +175,11 @@ namespace Pamac {

 		// custom get pkg function
 		public unowned Alpm.Package? get_pkg_at_path (Gtk.TreePath path) {
-			return pkgs.nth (path.get_indices ()[0]).data;
+			int pos = path.get_indices ()[0];
+			if (pos < pkgs.length) {
+				return pkgs.nth (pos).data;
+			}
+			return null;
 		}

 		// custom sort functions
--- a/src/pamac_config.vala
+++ b/src/pamac_config.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -17,8 +17,6 @@
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

-const string VERSION = "3.1.0";
-
 namespace Pamac {
 	[Compact]
 	public class Config {
@ -37,7 +35,7 @@ namespace Pamac {
 			//get environment variables
 			environment_variables = new HashTable<string,string> (str_hash, str_equal);
 			var utsname = Posix.utsname();
-			environment_variables.insert ("HTTP_USER_AGENT", "pamac/%s (%s %s)".printf (VERSION, utsname.sysname, utsname.machine));
+			environment_variables.insert ("HTTP_USER_AGENT", "pamac (%s %s)".printf (utsname.sysname, utsname.machine));
 			unowned string? variable = Environment.get_variable ("http_proxy");
 			if (variable != null) {
 				environment_variables.insert ("http_proxy", variable);
--- a/src/preferences_dialog.vala
+++ b/src/preferences_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2015-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,61 +20,55 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/preferences/preferences_dialog.ui")]
-	public class PreferencesDialog : Gtk.Dialog {
+	class PreferencesDialog : Gtk.Dialog {

 		[GtkChild]
-		public Gtk.Switch remove_unrequired_deps_button;
+		Gtk.Switch remove_unrequired_deps_button;
 		[GtkChild]
-		public Gtk.Switch check_space_button;
+		Gtk.Switch check_space_button;
 		[GtkChild]
-		public Gtk.Switch check_updates_button;
+		Gtk.Switch check_updates_button;
 		[GtkChild]
-		public Gtk.Label refresh_period_label;
+		Gtk.Label refresh_period_label;
 		[GtkChild]
-		public Gtk.SpinButton refresh_period_spin_button;
+		Gtk.SpinButton refresh_period_spin_button;
 		[GtkChild]
-		public Gtk.CheckButton no_update_hide_icon_checkbutton;
+		Gtk.CheckButton no_update_hide_icon_checkbutton;
 		[GtkChild]
-		public Gtk.Box ignorepkgs_box;
+		Gtk.Box ignorepkgs_box;
 		[GtkChild]
-		public Gtk.ListStore ignorepkgs_liststore;
+		Gtk.ListStore ignorepkgs_liststore;
 		[GtkChild]
-		public Gtk.TreeView ignorepkgs_treeview;
+		Gtk.TreeView ignorepkgs_treeview;
 		[GtkChild]
-		public Gtk.Box mirrors_config_box;
+		Gtk.Box mirrors_config_box;
 		[GtkChild]
-		public Gtk.ComboBoxText mirrors_country_comboboxtext;
+		Gtk.ComboBoxText mirrors_country_comboboxtext;
 		[GtkChild]
-		public Gtk.ComboBoxText mirrors_list_generation_method_comboboxtext;
+		Gtk.ComboBoxText mirrors_list_generation_method_comboboxtext;
 		[GtkChild]
-		public Gtk.Button generate_mirrors_list_button;
+		Gtk.Button generate_mirrors_list_button;
 		[GtkChild]
-		public Gtk.Box aur_config_box;
+		Gtk.Box aur_config_box;
 		[GtkChild]
-		public Gtk.Switch enable_aur_button;
+		Gtk.Switch enable_aur_button;
 		[GtkChild]
-		public Gtk.CheckButton search_aur_checkbutton;
+		Gtk.CheckButton search_aur_checkbutton;
 		[GtkChild]
-		public Gtk.CheckButton check_aur_updates_checkbutton;
+		Gtk.CheckButton check_aur_updates_checkbutton;
 		[GtkChild]
-		public Gtk.CheckButton no_confirm_build_checkbutton;
+		Gtk.CheckButton no_confirm_build_checkbutton;

 		Transaction transaction;
-		Alpm.Config alpm_config;
 		uint64 previous_refresh_period;

-		public PreferencesDialog (Gtk.ApplicationWindow? window, Transaction transaction) {
-			Object (transient_for: window, use_header_bar: 0);
+		public PreferencesDialog (Transaction transaction) {
+			Object (transient_for: transaction.application_window, use_header_bar: 0);

 			this.transaction = transaction;
-			alpm_config = new Alpm.Config ("/etc/pacman.conf");
-			alpm_config.get_handle ();
-			if (alpm_config.handle == null) {
-				stderr.printf (dgettext (null, "Failed to initialize alpm library"));
-			}
 			refresh_period_label.set_markup (dgettext (null, "How often to check for updates, value in hours") +":");
 			remove_unrequired_deps_button.active = transaction.pamac_config.recurse;
-			check_space_button.active = (alpm_config.checkspace == 1);
+			check_space_button.active = (transaction.alpm_config.checkspace == 1);
 			if (transaction.pamac_config.refresh_period == 0) {
 				check_updates_button.active = false;
 				refresh_period_label.sensitive = false;
@ -93,22 +87,22 @@ namespace Pamac {

 			// populate ignorepkgs_liststore
 			Gtk.TreeIter iter;
-			for (unowned Alpm.List<string> list = alpm_config.ignorepkgs; list != null; list = list.next ()) {
+			for (unowned Alpm.List<string> list = transaction.alpm_config.ignorepkgs; list != null; list = list.next ()) {
 				ignorepkgs_liststore.insert_with_values (out iter, -1, 0, list.data);
 			}
 			remove_unrequired_deps_button.state_set.connect (on_remove_unrequired_deps_button_state_set);
 			check_space_button.state_set.connect (on_check_space_button_state_set);
-			transaction.daemon.write_alpm_config_finished.connect (on_write_alpm_config_finished);
+			transaction.write_alpm_config_finished.connect (on_write_alpm_config_finished);
 			check_updates_button.state_set.connect (on_check_updates_button_state_set);
 			refresh_period_spin_button.value_changed.connect (on_refresh_period_spin_button_value_changed);
 			no_update_hide_icon_checkbutton.toggled.connect (on_no_update_hide_icon_checkbutton_toggled);
-			transaction.daemon.write_pamac_config_finished.connect (on_write_pamac_config_finished);
+			transaction.write_pamac_config_finished.connect (on_write_pamac_config_finished);

-			unowned Alpm.Package? pkg = Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, "pacman-mirrorlist");
+			unowned Alpm.Package? pkg = Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, "pacman-mirrorlist");
 			if (pkg == null) {
 				mirrors_config_box.visible = false;
 			} else {
-				var mirrors_config = new Alpm.MirrorsConfig ("/etc/pacman-mirrors.conf");
+				var mirrors_config = new MirrorsConfig ("/etc/pacman-mirrors.conf");
 				mirrors_country_comboboxtext.append_text (dgettext (null, "Worldwide"));
 				mirrors_country_comboboxtext.active = 0;
 				int index = 1;
@ -129,10 +123,10 @@ namespace Pamac {
 				}
 				mirrors_country_comboboxtext.changed.connect (on_mirrors_country_comboboxtext_changed);
 				mirrors_list_generation_method_comboboxtext.changed.connect (on_mirrors_list_generation_method_comboboxtext_changed);
-				transaction.daemon.write_mirrors_config_finished.connect (on_write_mirrors_config_finished);
+				transaction.write_mirrors_config_finished.connect (on_write_mirrors_config_finished);
 			}

-			pkg = Alpm.find_satisfier (alpm_config.handle.localdb.pkgcache, "yaourt");
+			pkg = Alpm.find_satisfier (transaction.alpm_config.handle.localdb.pkgcache, "yaourt");
 			if (pkg == null) {
 				aur_config_box.visible = false;
 			} else {
@ -254,9 +248,9 @@ namespace Pamac {
 		[GtkCallback]
 		void on_add_ignorepkgs_button_clicked () {
 			var choose_ignorepkgs_dialog = new ChooseIgnorepkgsDialog (this);
-			foreach (var pkg in alpm_config.handle.localdb.pkgcache) {
+			foreach (var pkg in transaction.alpm_config.handle.localdb.pkgcache) {
 				Gtk.TreeIter iter;
-				if (alpm_config.ignorepkgs.find_str (pkg.name) == null) {
+				if (transaction.alpm_config.ignorepkgs.find_str (pkg.name) == null) {
 					choose_ignorepkgs_dialog.pkgs_list.insert_with_values (out iter, -1, 0, false, 1, pkg.name);
 				} else {
 					choose_ignorepkgs_dialog.pkgs_list.insert_with_values (out iter, -1, 0, true, 1, pkg.name);
@ -317,8 +311,7 @@ namespace Pamac {
 			// re-populate ignorepkgs_liststore
 			Gtk.TreeIter iter;
 			ignorepkgs_liststore.clear ();
-			alpm_config.reload ();
-			for (unowned Alpm.List<string> list = alpm_config.ignorepkgs; list != null; list = list.next ()) {
+			for (unowned Alpm.List<string> list = transaction.alpm_config.ignorepkgs; list != null; list = list.next ()) {
 				ignorepkgs_liststore.insert_with_values (out iter, -1, 0, list.data);
 			}
 		}
--- a/src/progress_dialog.vala
+++ b/src/progress_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,7 +20,7 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/transaction/progress_dialog.ui")]
-	public class ProgressDialog : Gtk.Dialog {
+	class ProgressDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.ProgressBar progressbar;
@ -63,7 +63,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_close_button_clicked () {
+		void on_close_button_clicked () {
 			this.hide ();
 			while (Gtk.events_pending ()) {
 				Gtk.main_iteration ();
--- a/src/refresh.vala
+++ b/src/refresh.vala
@ -18,12 +18,8 @@
 */

 namespace Pamac {
-	public struct ErrorInfos {
-		public string message;
-		public string[] details;
-	}
 	[DBus (name = "org.manjaro.pamac")]
-	public interface Daemon : Object {
+	interface Daemon : Object {
 		public abstract void start_refresh (bool force) throws IOError;
 		[DBus (no_reply = true)]
 		public abstract void quit () throws IOError;
--- a/src/transaction.vala
+++ b/src/transaction.vala
@ -19,7 +19,7 @@

 namespace Pamac {
 	[DBus (name = "org.manjaro.pamac")]
-	public interface Daemon : Object {
+	interface Daemon : Object {
 		public abstract void set_environment_variables (HashTable<string,string> variables) throws IOError;
 		public abstract ErrorInfos get_current_error () throws IOError;
 		public abstract void start_get_authorization () throws IOError;
@ -74,15 +74,17 @@ namespace Pamac {
 		UPDATER
 	}

-	public enum TransactionType {
+	public class Transaction: Object {
+
+		enum Type {
 			STANDARD = (1 << 0),
 			UPDATE = (1 << 1),
 			BUILD = (1 << 2)
 		}

-	public class Transaction: Object {
-		public Daemon daemon;
+		Daemon daemon;

+		public AlpmConfig alpm_config;
 		public Pamac.Config pamac_config;

 		public Alpm.TransFlag flags;
@ -91,7 +93,9 @@ namespace Pamac {
 		public GenericSet<string?> to_remove;
 		public GenericSet<string?> to_load;
 		public GenericSet<string?> to_build;
-		public GenericSet<string?> special_ignorepkgs;
+		public GenericSet<string?> temporary_ignorepkgs;
+
+		HashTable<string,Json.Object> aur_infos;

 		public Mode mode;

@ -114,21 +118,32 @@ namespace Pamac {
 		TransactionInfoDialog transaction_info_dialog;
 		ProgressDialog progress_dialog;
 		//parent window
-		Gtk.ApplicationWindow? application_window;
+		public Gtk.ApplicationWindow? application_window;

 		public signal void finished (bool database_modified);
+		public signal void set_pkgreason_finished ();
+		public signal void get_updates_finished (Updates updates);
+		public signal void write_pamac_config_finished (bool recurse, uint64 refresh_period, bool no_update_hide_icon,
+														bool enable_aur, bool search_aur, bool check_aur_updates,
+														bool no_confirm_build);
+		public signal void write_alpm_config_finished (bool checkspace);
+		public signal void write_mirrors_config_finished (string choosen_country, string choosen_generation_method);

 		public Transaction (Gtk.ApplicationWindow? application_window) {
+			alpm_config = new AlpmConfig ("/etc/pacman.conf");
+			refresh_handle ();
 			pamac_config = new Pamac.Config ("/etc/pamac.conf");
 			flags = Alpm.TransFlag.CASCADE;
 			if (pamac_config.recurse) {
 				flags |= Alpm.TransFlag.RECURSE;
 			}
+			
 			to_add = new GenericSet<string?> (str_hash, str_equal);
 			to_remove = new GenericSet<string?> (str_hash, str_equal);
 			to_load = new GenericSet<string?> (str_hash, str_equal);
 			to_build = new GenericSet<string?> (str_hash, str_equal);
-			special_ignorepkgs = new GenericSet<string?> (str_hash, str_equal);
+			temporary_ignorepkgs = new GenericSet<string?> (str_hash, str_equal);
+			aur_infos = new HashTable<string,Json.Object> (str_hash, str_equal);
 			connecting_dbus_signals ();
 			//creating dialogs
 			this.application_window = application_window;
@ -146,6 +161,31 @@ namespace Pamac {
 			timer = new Timer ();
 		}

+		public async void run_preferences_dialog () {
+			SourceFunc callback = run_preferences_dialog.callback;
+			ulong handler_id = daemon.get_authorization_finished.connect ((authorized) => {
+				if (authorized) {
+					var preferences_dialog = new PreferencesDialog (this);
+					preferences_dialog.run ();
+					preferences_dialog.destroy ();
+					while (Gtk.events_pending ()) {
+						Gtk.main_iteration ();
+					}
+				}
+				Idle.add((owned) callback);
+			});
+			start_get_authorization ();
+			yield;
+			daemon.disconnect (handler_id);
+		}
+
+		public void refresh_handle () {
+			alpm_config.get_handle ();
+			if (alpm_config.handle == null) {
+				stderr.printf (dgettext (null, "Failed to initialize alpm library"));
+			}
+		}
+
 		public ErrorInfos get_current_error () {
 			try {
 				return daemon.get_current_error ();
@ -236,6 +276,7 @@ namespace Pamac {
 			} catch (IOError e) {
 				stderr.printf ("IOError: %s\n", e.message);
 				daemon.refresh_finished.disconnect (on_refresh_finished);
+				refresh_handle ();
 				finished (true);
 			}
 		}
@ -252,7 +293,7 @@ namespace Pamac {
 		public void add_ignorepkg (string pkgname) {
 			try {
 				daemon.add_ignorepkg (pkgname);
-				//special_ignorepkgs.add (pkgname);
+				//temporary_ignorepkgs.add (pkgname);
 			} catch (IOError e) {
 				stderr.printf ("IOError: %s\n", e.message);
 			}
@ -267,7 +308,7 @@ namespace Pamac {
 		}

 		public bool init (Alpm.TransFlag flags) {
-			foreach (unowned string pkgname in special_ignorepkgs) {
+			foreach (unowned string pkgname in temporary_ignorepkgs) {
 				add_ignorepkg (pkgname);
 			}
 			try {
@ -278,7 +319,7 @@ namespace Pamac {
 			}
 		}

-		public void sysupgrade_simple (bool enable_downgrade) {
+		void sysupgrade_simple (bool enable_downgrade) {
 			progress_dialog.progressbar.set_fraction (0);
 			progress_dialog.cancel_button.set_visible (true);
 			bool success = init (0);
@ -328,7 +369,7 @@ namespace Pamac {
 			start_get_updates ();
 		}

-		public void on_get_updates_finished (Updates updates) {
+		void on_get_updates_finished (Updates updates) {
 			// get syncfirst updates
 			if (updates.is_syncfirst) {
 				clear_lists ();
@ -344,7 +385,7 @@ namespace Pamac {
 				if (updates.aur_updates.length != 0) {
 					clear_lists ();
 					foreach (unowned PackageInfos infos in updates.aur_updates) {
-						if (!(infos.name in special_ignorepkgs)) {
+						if (!(infos.name in temporary_ignorepkgs)) {
 							to_build.add (infos.name);
 						}
 					}
@ -360,6 +401,7 @@ namespace Pamac {
 				}
 			}
 			daemon.get_updates_finished.disconnect (on_get_updates_finished);
+			get_updates_finished (updates);
 		}

 		public void clear_lists () {
@ -445,7 +487,7 @@ namespace Pamac {
 			}
 		}

-		public void choose_provider (string depend, string[] providers) {
+		void choose_provider (string depend, string[] providers) {
 			var choose_provider_dialog = new ChooseProviderDialog (application_window);
 			choose_provider_dialog.label.set_markup ("<b>%s</b>".printf (dgettext (null, "Choose a provider for %s").printf (depend)));
 			foreach (unowned string provider in providers) {
@ -464,9 +506,9 @@ namespace Pamac {
 			}
 		}

-		public TransactionType set_transaction_sum () {
+		Type set_transaction_sum () {
 			// return 0 if transaction_sum is empty, 2, if there are only aur updates, 1 otherwise
-			TransactionType type = 0;
+			Type type = 0;
 			uint64 dsize = 0;
 			PackageInfos[] prepared_to_add = {};
 			PackageInfos[] prepared_to_remove = {};
@ -510,7 +552,7 @@ namespace Pamac {
 			int len = prepared_to_remove.length;
 			int i;
 			if (len != 0) {
-				type |= TransactionType.STANDARD;
+				type |= Type.STANDARD;
 				transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 												0, dgettext (null, "To remove") + ":",
 												1, "%s %s".printf (prepared_to_remove[0].name, prepared_to_remove[0].version));
@ -523,7 +565,7 @@ namespace Pamac {
 			}
 			len = to_downgrade.length;
 			if (len != 0) {
-				type |= TransactionType.STANDARD;
+				type |= Type.STANDARD;
 				transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 												0, dgettext (null, "To downgrade") + ":",
 												1, to_downgrade[0]);
@ -536,7 +578,7 @@ namespace Pamac {
 			}
 			len = _to_build.length;
 			if (len != 0) {
-				type |= TransactionType.BUILD;
+				type |= Type.BUILD;
 				transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 												0, dgettext (null, "To build") + ":",
 												1, _to_build[0]);
@ -549,7 +591,7 @@ namespace Pamac {
 			}
 			len = to_install.length;
 			if (len != 0) {
-				type |= TransactionType.STANDARD;
+				type |= Type.STANDARD;
 				transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 												0, dgettext (null, "To install") + ":",
 												1, to_install[0]);
@ -562,7 +604,7 @@ namespace Pamac {
 			}
 			len = to_reinstall.length;
 			if (len != 0) {
-				type |= TransactionType.STANDARD;
+				type |= Type.STANDARD;
 				transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 												0, dgettext (null, "To reinstall") + ":",
 												1, to_reinstall[0]);
@ -575,7 +617,7 @@ namespace Pamac {
 			}
 			len = to_update.length;
 			if (len != 0) {
-				type |= TransactionType.UPDATE;
+				type |= Type.UPDATE;
 				if (mode != Mode.UPDATER) {
 					transaction_sum_dialog.sum_list.insert_with_values (out iter, -1,
 													0, dgettext (null, "To update") + ":",
@ -603,6 +645,7 @@ namespace Pamac {
 				daemon.start_trans_commit ();
 			} catch (IOError e) {
 				stderr.printf ("IOError: %s\n", e.message);
+				refresh_handle ();
 				finished (true);
 			}
 		}
@ -632,6 +675,14 @@ namespace Pamac {
 			progress_dialog.term.watch_child (child_pid);
 		}

+		public async Json.Object get_aur_infos (string aur_name) {
+			if (!aur_infos.contains (aur_name)) {
+				Json.Array results = AUR.multiinfo ({aur_name});
+				aur_infos.insert (aur_name, results.get_object_element (0));
+			}
+			return aur_infos.lookup (aur_name);
+		}
+
 		public void cancel () {
 			try {
 				daemon.trans_cancel ();
@ -652,7 +703,7 @@ namespace Pamac {
 			} catch (IOError e) {
 				stderr.printf ("IOError: %s\n", e.message);
 			}
-			foreach (unowned string pkgname in special_ignorepkgs) {
+			foreach (unowned string pkgname in temporary_ignorepkgs) {
 				remove_ignorepkg (pkgname);
 			}
 		}
@ -1037,7 +1088,7 @@ namespace Pamac {
 			}
 		}

-		public void show_warnings () {
+		void show_warnings () {
 			if (transaction_info_dialog.textbuffer.text != "") {
 				transaction_info_dialog.set_title (dgettext (null, "Warning"));
 				transaction_info_dialog.label.set_visible (false);
@ -1056,7 +1107,7 @@ namespace Pamac {
 			}
 		}

-		public void handle_error (ErrorInfos error) {
+		void handle_error (ErrorInfos error) {
 			if (error.message != null && error.message != "") {
 				progress_dialog.expander.set_expanded (true);
 				progress_dialog.spawn_in_term ({"echo", "-n", error.message});
@ -1097,7 +1148,8 @@ namespace Pamac {
 			}
 		}

-		public void on_refresh_finished (bool success) {
+		void on_refresh_finished (bool success) {
+			refresh_handle ();
 			if (success) {
 				if (mode == Mode.UPDATER) {
 					finished (true);
@ -1117,7 +1169,7 @@ namespace Pamac {
 			daemon.refresh_finished.disconnect (on_refresh_finished);
 		}

-		public void on_cancel_button_clicked () {
+		void on_cancel_button_clicked () {
 			cancel ();
 			clear_lists ();
 			progress_dialog.spawn_in_term ({"/usr/bin/echo", dgettext (null, "Transaction cancelled") + ".\n"});
@ -1127,11 +1179,11 @@ namespace Pamac {
 			}
 		}

-		public void on_trans_prepare_finished (bool success) {
+		void on_trans_prepare_finished (bool success) {
 			if (success) {
 				show_warnings ();
-				TransactionType type = set_transaction_sum ();
-				if (type == TransactionType.UPDATE && mode == Mode.UPDATER) {
+				Type type = set_transaction_sum ();
+				if (type == Type.UPDATE && mode == Mode.UPDATER) {
 					// there only updates
 					start_commit ();
 				} else if (type != 0) {
@ -1140,7 +1192,7 @@ namespace Pamac {
 						while (Gtk.events_pending ()) {
 							Gtk.main_iteration ();
 						}
-						if (type == TransactionType.BUILD) {
+						if (type == Type.BUILD) {
 							// there only AUR packages to build
 							release ();
 							on_trans_commit_finished (true);
@ -1178,7 +1230,7 @@ namespace Pamac {
 			}
 		}

-		public void on_trans_commit_finished (bool success) {
+		void on_trans_commit_finished (bool success) {
 			if (success) {
 				if (to_build.length != 0) {
 					if (to_add.length != 0
@ -1194,6 +1246,7 @@ namespace Pamac {
 						sysupgrade_after_trans = false;
 						sysupgrade (false);
 					} else {
+						refresh_handle ();
 						finished (true);
 						progress_dialog.spawn_in_term ({"echo", dgettext (null, "Transaction successfully finished") + ".\n"});
 						if (progress_dialog.expander.get_expanded ()) {
@ -1215,6 +1268,7 @@ namespace Pamac {
 					finished (false);
 				} else {
 					clear_lists ();
+					refresh_handle ();
 					finished (true);
 				}
 				handle_error (err);
@ -1229,6 +1283,7 @@ namespace Pamac {
 			clear_lists ();
 			// let the time to the daemon to update databases
 			Timeout.add (1000, () => {
+				refresh_handle ();
 				finished (true);
 				if (status == 0) {
 					string action = dgettext (null, "Transaction successfully finished");
@ -1247,8 +1302,27 @@ namespace Pamac {
 			});
 		}

-		void on_write_pamac_config_finished () {
+		void on_set_pkgreason_finished () {
+			refresh_handle ();
+			set_pkgreason_finished ();
+		}
+
+		void on_write_pamac_config_finished (bool recurse, uint64 refresh_period, bool no_update_hide_icon,
+												bool enable_aur, bool search_aur, bool check_aur_updates,
+												bool no_confirm_build) {
 			pamac_config.reload ();
+			write_pamac_config_finished (recurse, refresh_period, no_update_hide_icon,
+											enable_aur, search_aur, check_aur_updates,
+											no_confirm_build);
+		}
+
+		void on_write_alpm_config_finished (bool checkspace) {
+			alpm_config.reload ();
+			write_alpm_config_finished (checkspace);
+		}
+
+		void on_write_mirrors_config_finished (string choosen_country, string choosen_generation_method) {
+			write_mirrors_config_finished (choosen_country, choosen_generation_method);
 		}

 		void on_generate_mirrors_list_data (string line) {
@ -1276,6 +1350,9 @@ namespace Pamac {
 				daemon.emit_log.connect (on_emit_log);
 				daemon.trans_prepare_finished.connect (on_trans_prepare_finished);
 				daemon.trans_commit_finished.connect (on_trans_commit_finished);
+				daemon.set_pkgreason_finished.connect (on_set_pkgreason_finished);
+				daemon.write_mirrors_config_finished.connect (on_write_mirrors_config_finished);
+				daemon.write_alpm_config_finished.connect (on_write_alpm_config_finished);
 				daemon.write_pamac_config_finished.connect (on_write_pamac_config_finished);
 				daemon.generate_mirrors_list_data.connect (on_generate_mirrors_list_data);
 				daemon.generate_mirrors_list_finished.connect (on_generate_mirrors_list_finished);
--- a/src/transaction_info_dialog.vala
+++ b/src/transaction_info_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,14 +20,14 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/transaction/transaction_info_dialog.ui")]
-	public class TransactionInfoDialog : Gtk.Dialog {
+	class TransactionInfoDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.Label label;
 		[GtkChild]
 		public Gtk.Expander expander;
 		[GtkChild]
-		public Gtk.TextView textview;
+		Gtk.TextView textview;

 		public Gtk.TextBuffer textbuffer;

--- a/src/transaction_sum_dialog.vala
+++ b/src/transaction_sum_dialog.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -20,14 +20,14 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/transaction/transaction_sum_dialog.ui")]
-	public class TransactionSumDialog : Gtk.Dialog {
+	class TransactionSumDialog : Gtk.Dialog {

 		[GtkChild]
 		public Gtk.Label top_label;
 		[GtkChild]
 		public Gtk.Label bottom_label;
 		[GtkChild]
-		public Gtk.TreeView treeview;
+		Gtk.TreeView treeview;

 		public Gtk.ListStore sum_list;

--- a/src/tray.vala
+++ b/src/tray.vala
@ -26,7 +26,7 @@ const string noupdate_info = _("Your system is up-to-date");

 namespace Pamac {
 	[DBus (name = "org.manjaro.pamac")]
-	public interface Daemon : Object {
+	interface Daemon : Object {
 		public abstract void start_refresh (bool force) throws IOError;
 		public abstract void start_get_updates (bool check_aur_updates) throws IOError;
 		[DBus (no_reply = true)]
@ -38,7 +38,7 @@ namespace Pamac {
 		public signal void write_alpm_config_finished (bool checkspace);
 	}

-	public class TrayIcon: Gtk.Application {
+	class TrayIcon: Gtk.Application {
 		Notify.Notification notification;
 //~ 		Notification notification;
 		Daemon daemon;
@ -313,14 +313,14 @@ namespace Pamac {

 			status_icon = new Gtk.StatusIcon ();
 			status_icon.visible  = !(pamac_config.no_update_hide_icon);
-			this.update_icon (noupdate_icon_name, noupdate_info);
+			update_icon (noupdate_icon_name, noupdate_info);
 			status_icon.activate.connect (left_clicked);
 			create_menu ();
 			status_icon.popup_menu.connect (menu_popup);

 			Notify.init (_("Update Manager"));

-			var alpm_config = new Alpm.Config ("/etc/pacman.conf");
+			var alpm_config = new AlpmConfig ("/etc/pacman.conf");
 			alpm_config.get_handle ();
 			lockfile = GLib.File.new_for_path (alpm_config.handle.lockfile);
 			start_daemon ();
@ -335,7 +335,7 @@ namespace Pamac {
 			// nothing to do
 		}

-		public static int main (string[] args) {
+		static int main (string[] args) {
 			var tray_icon = new TrayIcon();
 			return tray_icon.run (args);
 		}
--- a/src/updater.vala
+++ b/src/updater.vala
@ -1,7 +1,7 @@
 /*
 *  pamac-vala
 *
- *  Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
+ *  Copyright (C) 2014-2016 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
@ -19,7 +19,7 @@

 namespace Pamac {

-	public class Updater : Gtk.Application {
+	class Updater : Gtk.Application {
 		UpdaterWindow updater_window;
 		bool pamac_run;

@ -37,13 +37,13 @@ namespace Pamac {

 			pamac_run = check_pamac_running ();
 			if (pamac_run) {
-				var transaction_info_dialog = new TransactionInfoDialog (null);
-				transaction_info_dialog.set_title (dgettext (null, "Error"));
-				transaction_info_dialog.label.set_visible (true);
-				transaction_info_dialog.label.set_markup (dgettext (null, "Pamac is already running"));
-				transaction_info_dialog.expander.set_visible (false);
-				transaction_info_dialog.run ();
-				transaction_info_dialog.hide ();
+				var msg = new Gtk.MessageDialog (null,
+												Gtk.DialogFlags.MODAL,
+												Gtk.MessageType.ERROR,
+												Gtk.ButtonsType.OK,
+												dgettext (null, "Pamac is already running"));
+				msg.run ();
+				msg.destroy ();
 			} else {
 				updater_window = new UpdaterWindow (this);
 			}
@ -86,7 +86,7 @@ namespace Pamac {
 		}
 	}

-	public static int main (string[] args) {
+	static int main (string[] args) {
 		var updater = new Updater ();
 		return updater.run (args);
 	}
--- a/src/updater_window.vala
+++ b/src/updater_window.vala
@ -20,31 +20,31 @@
 namespace Pamac {

 	[GtkTemplate (ui = "/org/manjaro/pamac/updater/updater_window.ui")]
-	public class UpdaterWindow : Gtk.ApplicationWindow {
+	class UpdaterWindow : Gtk.ApplicationWindow {

 		[GtkChild]
-		public Gtk.Label top_label;
+		Gtk.Label top_label;
 		[GtkChild]
-		public Gtk.Notebook notebook;
+		Gtk.Notebook notebook;
 		[GtkChild]
-		public Gtk.ScrolledWindow repos_scrolledwindow;
+		Gtk.ScrolledWindow repos_scrolledwindow;
 		[GtkChild]
-		public Gtk.ScrolledWindow aur_scrolledwindow;
+		Gtk.ScrolledWindow aur_scrolledwindow;
 		[GtkChild]
-		public Gtk.TreeView repos_updates_treeview;
+		Gtk.TreeView repos_updates_treeview;
 		[GtkChild]
-		public Gtk.CellRendererToggle repos_select_update;
+		Gtk.CellRendererToggle repos_select_update;
 		[GtkChild]
-		public Gtk.TreeView aur_updates_treeview;
+		Gtk.TreeView aur_updates_treeview;
 		[GtkChild]
-		public Gtk.CellRendererToggle aur_select_update;
+		Gtk.CellRendererToggle aur_select_update;
 		[GtkChild]
-		public Gtk.Label bottom_label;
+		Gtk.Label bottom_label;
 		[GtkChild]
-		public Gtk.Button apply_button;
+		Gtk.Button apply_button;

-		public Gtk.ListStore repos_updates_list;
-		public Gtk.ListStore aur_updates_list;
+		Gtk.ListStore repos_updates_list;
+		Gtk.ListStore aur_updates_list;

 		public Pamac.Transaction transaction;

@ -59,7 +59,7 @@ namespace Pamac {
 			Timeout.add (100, populate_window);
 		}

-		public bool populate_window () {
+		bool populate_window () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));

 			repos_updates_list = new Gtk.ListStore (3, typeof (bool), typeof (string), typeof (string));
@ -71,14 +71,14 @@ namespace Pamac {
 			transaction.mode = Mode.UPDATER;
 			transaction.finished.connect (on_transaction_finished);

-			transaction.daemon.get_updates_finished.connect (on_get_updates_finished);
+			transaction.get_updates_finished.connect (on_get_updates_finished);

 			on_refresh_button_clicked ();

 			return false;
 		}

-		public void set_apply_button_sensitive () {
+		void set_apply_button_sensitive () {
 			bool sensitive = false;
 			repos_updates_list.foreach ((model, path, iter) => {
 				GLib.Value selected;
@ -98,7 +98,7 @@ namespace Pamac {
 		}

 		[GtkCallback]
-		public void on_repos_select_update_toggled (string path) {
+		void on_repos_select_update_toggled (string path) {
 			Gtk.TreePath treepath = new Gtk.TreePath.from_string (path);
 			Gtk.TreeIter iter;
 			GLib.Value name_string;
@ -108,16 +108,16 @@ namespace Pamac {
 			string pkgname = name_string.get_string ().split (" ", 2)[0];
 			if (repos_select_update.active) {
 				repos_updates_list.set (iter, 0, false);
-				transaction.special_ignorepkgs.add (pkgname);
+				transaction.temporary_ignorepkgs.add (pkgname);
 			} else {
 				repos_updates_list.set (iter, 0, true);
-				transaction.special_ignorepkgs.remove (pkgname);
+				transaction.temporary_ignorepkgs.remove (pkgname);
 			}
 			set_apply_button_sensitive ();
 		}

 		[GtkCallback]
-		public void on_aur_select_update_toggled  (string path) {
+		void on_aur_select_update_toggled  (string path) {
 			Gtk.TreePath treepath = new Gtk.TreePath.from_string (path);
 			Gtk.TreeIter iter;
 			GLib.Value name_string;
@ -127,57 +127,39 @@ namespace Pamac {
 			string pkgname = name_string.get_string ().split (" ", 2)[0];
 			if (aur_select_update.active) {
 				aur_updates_list.set (iter, 0, false);
-				transaction.special_ignorepkgs.add (pkgname);
+				transaction.temporary_ignorepkgs.add (pkgname);
 			} else {
 				aur_updates_list.set (iter, 0, true);
-				transaction.special_ignorepkgs.remove (pkgname);
+				transaction.temporary_ignorepkgs.remove (pkgname);
 			}
 			set_apply_button_sensitive ();
 		}

-		public async void run_preferences_dialog () {
-			SourceFunc callback = run_preferences_dialog.callback;
-			ulong handler_id = transaction.daemon.get_authorization_finished.connect ((authorized) => {
-				if (authorized) {
-					var preferences_dialog = new PreferencesDialog (this, transaction);
-					preferences_dialog.run ();
-					preferences_dialog.destroy ();
-					while (Gtk.events_pending ()) {
-						Gtk.main_iteration ();
-					}
-				}
-				Idle.add((owned) callback);
-			});
-			transaction.start_get_authorization ();
-			yield;
-			transaction.daemon.disconnect (handler_id);
-		}
-
 		[GtkCallback]
-		public void on_preferences_button_clicked () {
-			run_preferences_dialog.begin (() => {
+		void on_preferences_button_clicked () {
+			transaction.run_preferences_dialog.begin (() => {
 				populate_updates_list ();
 			});
 		}

 		[GtkCallback]
-		public void on_apply_button_clicked () {
+		void on_apply_button_clicked () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			transaction.sysupgrade (false);
 		}

 		[GtkCallback]
-		public void on_refresh_button_clicked () {
+		void on_refresh_button_clicked () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			transaction.start_refresh (false);
 		}

 		[GtkCallback]
-		public void on_close_button_clicked () {
+		void on_close_button_clicked () {
 			this.application.quit ();
 		}

-		public void on_transaction_finished (bool database_modified) {
+		void on_transaction_finished (bool database_modified) {
 			if (database_modified) {
 				populate_updates_list ();
 			} else {
@ -185,12 +167,12 @@ namespace Pamac {
 			}
 		}

-		public void populate_updates_list () {
+		void populate_updates_list () {
 			this.get_window ().set_cursor (new Gdk.Cursor.for_display (Gdk.Display.get_default (), Gdk.CursorType.WATCH));
 			transaction.start_get_updates ();
 		}

-		public void on_get_updates_finished (Updates updates) {
+		void on_get_updates_finished (Updates updates) {
 			top_label.set_markup ("");
 			repos_updates_list.clear ();
 			notebook.set_show_tabs (false);
@ -207,7 +189,7 @@ namespace Pamac {
 				string size = infos.download_size != 0 ? format_size (infos.download_size) : "";
 				dsize += infos.download_size;
 				repos_updates_nb++;
-				if (infos.name in transaction.special_ignorepkgs) {
+				if (infos.name in transaction.temporary_ignorepkgs) {
 					repos_updates_list.insert_with_values (out iter, -1, 0, false, 1, name, 2, size);
 				} else {
 					repos_updates_list.insert_with_values (out iter, -1, 0, true, 1, name, 2, size);
@ -216,7 +198,7 @@ namespace Pamac {
 			foreach (unowned PackageInfos infos in updates.aur_updates) {
 				string name = infos.name + " " + infos.version;
 				aur_updates_nb++;
-				if (infos.name in transaction.special_ignorepkgs) {
+				if (infos.name in transaction.temporary_ignorepkgs) {
 					aur_updates_list.insert_with_values (out iter, -1, 0, false, 1, name);
 				} else {
 					aur_updates_list.insert_with_values (out iter, -1, 0, true, 1, name);