[empathy: 1/3] TPL Enabling patch, all-in-one.

[Guillaume Desmottes <gdesmott src gnome org>]

commit 8d4d46e440c7a6bd321fc098265db8ede27c07de
Author: Cosimo Alfarano <cosimo alfarano collabora co uk>
Date:   Tue Feb 23 19:32:57 2010 +0000

    TPL Enabling patch, all-in-one.
    
    By default TPL is disabled, use --enable-tpl configure option to enable it.

 configure.ac                           |   28 ++
 libempathy-gtk/Makefile.am             |    2 +
 libempathy-gtk/empathy-chat.c          |  183 ++++++++++--
 libempathy-gtk/empathy-contact-menu.c  |   18 +-
 libempathy-gtk/empathy-log-window.c    |  533 +++++++++++++++++++++++++++++++-
 libempathy/Makefile.am                 |   34 ++-
 libempathy/empathy-contact.c           |   30 ++
 libempathy/empathy-contact.h           |    7 +
 libempathy/empathy-log-manager.h       |    4 +
 libempathy/empathy-log-store-empathy.h |    4 +
 libempathy/empathy-log-store.h         |    4 +
 libempathy/empathy-message.c           |   78 +++++
 libempathy/empathy-message.h           |    6 +
 src/Makefile.am                        |    2 +
 src/empathy-chat-window.c              |    2 +
 src/empathy.c                          |   18 +-
 16 files changed, 909 insertions(+), 44 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 57ad3ed..5ba9fc4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,6 +33,7 @@ GLIB_REQUIRED=2.22.0
 GTK_REQUIRED=2.18.0
 GCONF_REQUIRED=1.2.0
 TELEPATHY_GLIB_REQUIRED=0.9.2
+TELEPATHY_LOGGER=0.1.0
 ENCHANT_REQUIRED=1.2.0
 ISO_CODES_REQUIRED=0.35
 LIBNOTIFY_REQUIRED=0.4.4
@@ -135,6 +136,30 @@ AS_COMPILER_FLAG(-Wmissing-declarations, ERROR_CFLAGS="$ERROR_CFLAGS -Wmissing-d
 AC_SUBST(ERROR_CFLAGS)
 
 # -----------------------------------------------------------
+# Enable TPL
+# -----------------------------------------------------------
+
+# It needs to be defined before PKG_CHECK_MODULES calls
+AC_ARG_ENABLE(tpl,
+  AC_HELP_STRING([--enable-tpl],[enable telepathy-logger code and disable the
+    empathy logger]), enable_tpl=$enableval, enable_tpl=no )
+AM_CONDITIONAL(ENABLE_TPL, test "x$enable_tpl" = "xyes")
+
+if test x${enable_tpl} = xyes; then
+  AC_DEFINE(ENABLE_TPL, [], [Enable TPL code])
+fi
+
+if test "x$enable_tpl" = "xyes"; then
+  PKG_CHECK_MODULES(TPL,
+  [
+     libtelepathy-logger = $TELEPATHY_LOGGER
+  ])
+  AC_SUBST(TPL_CFLAGS)
+  AC_SUBST(TPL_LIBS)
+fi
+
+
+# -----------------------------------------------------------
 # Pkg-Config dependency checks
 # -----------------------------------------------------------
 
@@ -528,6 +553,9 @@ Configure summary:
 	Meego widgets ..............:  ${have_meego}
 	Control center embedding....:  ${have_control_center_embedding}
 
+    Logging:
+        Telepathy Logger............:  ${enable_tpl}
+
     Connectivity:
 	NetworkManager integration..:  ${have_nm}
 	ConnMan integration.........:  ${have_connman}
diff --git a/libempathy-gtk/Makefile.am b/libempathy-gtk/Makefile.am
index 674579a..c9736ac 100644
--- a/libempathy-gtk/Makefile.am
+++ b/libempathy-gtk/Makefile.am
@@ -7,6 +7,7 @@ AM_CPPFLAGS =                                           \
 	-DDATADIR=\""$(datadir)"\"              	\
 	-DPKGDATADIR=\""$(pkgdatadir)"\"		\
 	$(LIBEMPATHYGTK_CFLAGS)				\
+	$(TPL_CFLAGS)					\
 	$(LIBNOTIFY_CFLAGS)				\
 	$(ENCHANT_CFLAGS)				\
 	$(LIBCHAMPLAIN_CFLAGS)				\
@@ -129,6 +130,7 @@ nodist_libempathy_gtk_la_SOURCES =\
 libempathy_gtk_la_LIBADD =			\
 	$(LIBEMPATHYGTK_LIBS)			\
 	$(LIBNOTIFY_LIBS)			\
+	$(TPL_LIBS)				\
 	$(ENCHANT_LIBS)				\
 	$(LIBCHAMPLAIN_LIBS)			\
 	$(GEOCLUE_LIBS)				\
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 1361840..2c563c6 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -36,8 +36,12 @@
 
 #include <telepathy-glib/account-manager.h>
 #include <telepathy-glib/util.h>
+#ifdef ENABLE_TPL
+#include <telepathy-logger/log-manager.h>
+#else
 
 #include <libempathy/empathy-log-manager.h>
+#endif /* ENABLE_TPL */
 #include <libempathy/empathy-contact-list.h>
 #include <libempathy/empathy-utils.h>
 #include <libempathy/empathy-dispatcher.h>
@@ -72,7 +76,11 @@ typedef struct {
 	EmpathyContact    *remote_contact;
 	gboolean           show_contacts;
 
+#ifdef ENABLE_TPL
+	TplLogManager     *log_manager;
+#else
 	EmpathyLogManager *log_manager;
+#endif /* ENABLE_TPL */
 	TpAccountManager  *account_manager;
 	GList             *input_history;
 	GList             *input_history_current;
@@ -100,6 +108,29 @@ typedef struct {
 	/* TRUE if the pending messages can be displayed. This is to avoid to show
 	 * pending messages *before* messages from logs. (#603980) */
 	gboolean           can_show_pending;
+
+	/* FIXME: retrieving_backlogs flag is a workaround for Bug#610994 and should
+	 * be differently handled since it introduces another race condition, which
+	 * is really hard to occur, but still possible.
+	 *
+	 * With the current workaround (which has the race above), we need to be
+	 * sure to ACK any pending messages only when the retrieval of backlogs is
+	 * finished, that's why using retrieving_backlogs flag.
+	 * empathy_chat_messages_read () will check this variable and not ACK
+	 * anything when TRUE. It will be set TRUE at chat_constructed () and set
+	 * back to FALSE when the backlog has been retrieved and the pending
+	 * messages actually showed to the user.
+	 *
+	 * Race condition introduced with this workaround:
+	 * Scenario: a message is pending, the user is notified and selects the tab.
+	 * the tab with a pending message is focused before the messages are properly
+	 * shown (since the preparation of the window is slower AND async WRT the
+	 * tab showing), which means the user won't see any new messages (rare but
+	 * possible), if he/she will change tab focus before the messages are
+	 * properly shown, the tab will be set as 'seen' and the user won't be
+	 * notified again about the already notified pending messages when the
+	 * messages in tab will be properly shown */
+	gboolean           retrieving_backlogs;
 } EmpathyChatPriv;
 
 typedef struct {
@@ -1708,31 +1739,128 @@ chat_input_populate_popup_cb (GtkTextView *view,
 	}
 }
 
+
+#ifdef ENABLE_TPL
+static gboolean
+chat_log_filter (TplLogEntry *log,
+		 gpointer user_data)
+#else
 static gboolean
 chat_log_filter (EmpathyMessage *message,
 		 gpointer user_data)
+#endif /* ENABLE_TPL */
 {
-	EmpathyChat *chat = (EmpathyChat *) user_data;
+	EmpathyChat *chat = user_data;
+#ifdef ENABLE_TPL
+	EmpathyMessage *message;
+#endif /* ENABLE_TPL */
 	EmpathyChatPriv *priv = GET_PRIV (chat);
 	const GList *pending;
 
+#ifdef ENABLE_TPL
+	g_return_val_if_fail (TPL_IS_LOG_ENTRY (log), FALSE);
+#else
+	g_return_val_if_fail (EMPATHY_IS_MESSAGE (message), FALSE);
+#endif /* ENABLE_TPL */
+	g_return_val_if_fail (EMPATHY_IS_CHAT (chat), FALSE);
+
 	pending = empathy_tp_chat_get_pending_messages (priv->tp_chat);
+#ifdef ENABLE_TPL
+	message = empathy_message_from_tpl_log_entry (log);
+#endif /* ENABLE_TPL */
 
 	for (; pending; pending = g_list_next (pending)) {
 		if (empathy_message_equal (message, pending->data)) {
 			return FALSE;
 		}
 	}
-
+#ifdef ENABLE_TPL
+	g_object_unref (message);
+#endif
 	return TRUE;
 }
 
+
+static void
+show_pending_messages (EmpathyChat *chat) {
+	EmpathyChatPriv *priv = GET_PRIV (chat);
+	const GList *messages, *l;
+
+	g_return_if_fail (EMPATHY_IS_CHAT (chat));
+
+	if (chat->view == NULL || priv->tp_chat == NULL)
+		return;
+
+	if (!priv->can_show_pending)
+		return;
+
+	messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
+
+	for (l = messages; l != NULL ; l = g_list_next (l)) {
+		EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
+		chat_message_received (chat, message);
+	}
+}
+
+
+#ifdef ENABLE_TPL
+static void
+got_filtered_messages_cb (GObject *manager,
+		GAsyncResult *result,
+		gpointer user_data)
+{
+	GList *l;
+	GList *messages;
+	EmpathyChat *chat = EMPATHY_CHAT (user_data);
+	EmpathyChatPriv *priv = GET_PRIV (chat);
+	GError *error = NULL;
+
+	messages = tpl_log_manager_async_operation_finish (result, &error);
+
+	if (error != NULL) {
+		DEBUG ("%s. Aborting.", error->message);
+		empathy_chat_view_append_event (chat->view,
+			_("Failed to retrieve recent logs"));
+		g_error_free (error);
+		goto out;
+	}
+
+	for (l = messages; l; l = g_list_next (l)) {
+		EmpathyMessage *message;
+		g_assert (TPL_IS_LOG_ENTRY (l->data));
+
+		message = empathy_message_from_tpl_log_entry (l->data);
+		g_object_unref (l->data);
+
+		empathy_chat_view_append_message (chat->view, message);
+		g_object_unref (message);
+	}
+	g_list_free (messages);
+
+out:
+	priv->retrieving_backlogs = FALSE;
+	/* in case of TPL error, skip backlog and show pending messages */
+	priv->can_show_pending = TRUE;
+	show_pending_messages (chat);
+
+	/* FIXME: See Bug#610994, we are forcing the ACK of the queue. See comments
+	 * about it in EmpathyChatPriv definition */
+	empathy_chat_messages_read (chat);
+
+	/* Turn back on scrolling */
+	empathy_chat_view_scroll (chat->view, TRUE);
+}
+#endif /* ENABLE_TPL */
+
+
 static void
 chat_add_logs (EmpathyChat *chat)
 {
 	EmpathyChatPriv *priv = GET_PRIV (chat);
 	gboolean         is_chatroom;
+#ifndef ENABLE_TPL
 	GList           *messages, *l;
+#endif /* ENABLE_TPL */
 
 	if (!priv->id) {
 		return;
@@ -1744,6 +1872,7 @@ chat_add_logs (EmpathyChat *chat)
 	/* Add messages from last conversation */
 	is_chatroom = priv->handle_type == TP_HANDLE_TYPE_ROOM;
 
+#ifndef ENABLE_TPL
 	messages = empathy_log_manager_get_filtered_messages (priv->log_manager,
 							      priv->account,
 							      priv->id,
@@ -1761,6 +1890,18 @@ chat_add_logs (EmpathyChat *chat)
 
 	/* Turn back on scrolling */
 	empathy_chat_view_scroll (chat->view, TRUE);
+#else
+	priv->retrieving_backlogs = TRUE;
+	tpl_log_manager_get_filtered_messages_async (priv->log_manager,
+							      priv->account,
+							      priv->id,
+							      is_chatroom,
+							      5,
+							      chat_log_filter,
+							      chat,
+							      got_filtered_messages_cb,
+							      (gpointer) chat);
+#endif /* ENABLE_TPL */
 }
 
 static gint
@@ -2046,26 +2187,6 @@ chat_hpaned_pos_changed_cb (GtkWidget* hpaned, gpointer user_data)
 	return TRUE;
 }
 
-
-static void
-show_pending_messages (EmpathyChat *chat) {
-	EmpathyChatPriv *priv = GET_PRIV (chat);
-	const GList *messages, *l;
-
-	if (chat->view == NULL || priv->tp_chat == NULL)
-		return;
-
-	if (!priv->can_show_pending)
-		return;
-
-	messages = empathy_tp_chat_get_pending_messages (priv->tp_chat);
-
-	for (l = messages; l != NULL ; l = g_list_next (l)) {
-		EmpathyMessage *message = EMPATHY_MESSAGE (l->data);
-		chat_message_received (chat, message);
-	}
-}
-
 static void
 chat_create_ui (EmpathyChat *chat)
 {
@@ -2293,8 +2414,12 @@ chat_constructed (GObject *object)
 
 	if (priv->handle_type != TP_HANDLE_TYPE_ROOM)
 		chat_add_logs (chat);
+#ifndef ENABLE_TPL
+	/* When async API are involved, pending message are shown at the end of the
+	 * callbacks' chain fired by chat_add_logs */
 	priv->can_show_pending = TRUE;
 	show_pending_messages (chat);
+#endif /* ENABLE_TPL */
 }
 
 static void
@@ -2437,7 +2562,11 @@ empathy_chat_init (EmpathyChat *chat)
 		EMPATHY_TYPE_CHAT, EmpathyChatPriv);
 
 	chat->priv = priv;
+#ifndef ENABLE_TPL
 	priv->log_manager = empathy_log_manager_dup_singleton ();
+#else
+	priv->log_manager = tpl_log_manager_dup_singleton ();
+#endif /* ENABLE_TPL */
 	priv->contacts_width = -1;
 	priv->input_history = NULL;
 	priv->input_history_current = NULL;
@@ -2945,9 +3074,13 @@ empathy_chat_messages_read (EmpathyChat *self)
 
 	g_return_if_fail (EMPATHY_IS_CHAT (self));
 
-	if (priv->tp_chat != NULL) {
-		empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
+	/* FIXME: See Bug#610994, See comments about it in EmpathyChatPriv
+	 * definition. If we are still retrieving the backlogs, do not ACK */
+	if (priv->retrieving_backlogs)
+		return;
+
+	if (priv->tp_chat != NULL ) {
+			empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
 	}
-	
 	priv->unread_messages = 0;
 }
diff --git a/libempathy-gtk/empathy-contact-menu.c b/libempathy-gtk/empathy-contact-menu.c
index 3d194fc..54bb4b2 100644
--- a/libempathy-gtk/empathy-contact-menu.c
+++ b/libempathy-gtk/empathy-contact-menu.c
@@ -25,9 +25,13 @@
 
 #include <glib/gi18n-lib.h>
 #include <gtk/gtk.h>
+#ifdef ENABLE_TPL
+#include <telepathy-logger/log-manager.h>
+#else
 
-#include <libempathy/empathy-call-factory.h>
 #include <libempathy/empathy-log-manager.h>
+#endif /* ENABLE_TPL */
+#include <libempathy/empathy-call-factory.h>
 #include <libempathy/empathy-contact-manager.h>
 #include <libempathy/empathy-dispatcher.h>
 #include <libempathy/empathy-utils.h>
@@ -307,18 +311,30 @@ contact_log_menu_item_activate_cb (EmpathyContact *contact)
 GtkWidget *
 empathy_contact_log_menu_item_new (EmpathyContact *contact)
 {
+#ifndef ENABLE_TPL
 	EmpathyLogManager *manager;
+#else
+	TplLogManager     *manager;
+#endif /* ENABLE_TPL */
 	gboolean           have_log;
 	GtkWidget         *item;
 	GtkWidget         *image;
 
 	g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
+#ifndef ENABLE_TPL
 	manager = empathy_log_manager_dup_singleton ();
 	have_log = empathy_log_manager_exists (manager,
 					       empathy_contact_get_account (contact),
 					       empathy_contact_get_id (contact),
 					       FALSE);
+#else
+	manager = tpl_log_manager_dup_singleton ();
+	have_log = tpl_log_manager_exists (manager,
+					       empathy_contact_get_account (contact),
+					       empathy_contact_get_id (contact),
+					       FALSE);
+#endif /* ENABLE_TPL */
 	g_object_unref (manager);
 
 	item = gtk_image_menu_item_new_with_mnemonic (_("_Previous Conversations"));
diff --git a/libempathy-gtk/empathy-log-window.c b/libempathy-gtk/empathy-log-window.c
index f12abf3..7044d2e 100644
--- a/libempathy-gtk/empathy-log-window.c
+++ b/libempathy-gtk/empathy-log-window.c
@@ -31,8 +31,13 @@
 #include <gtk/gtk.h>
 
 #include <telepathy-glib/account-manager.h>
+#ifdef ENABLE_TPL
+#include <telepathy-logger/log-manager.h>
+#endif /* ENABLE_TPL */
 
+#ifndef ENABLE_TPL
 #include <libempathy/empathy-log-manager.h>
+#endif /* ENABLE_TPL */
 #include <libempathy/empathy-chatroom-manager.h>
 #include <libempathy/empathy-chatroom.h>
 #include <libempathy/empathy-message.h>
@@ -71,7 +76,11 @@ typedef struct {
 
 	gchar             *last_find;
 
+#ifndef ENABLE_TPL
 	EmpathyLogManager *log_manager;
+#else
+	TplLogManager     *log_manager;
+#endif /* ENABLE_TPL */
 
 	/* Those are only used while waiting for the account chooser to be ready */
 	TpAccount         *selected_account;
@@ -204,7 +213,11 @@ empathy_log_window_show (TpAccount  *account,
 	}
 
 	window = g_new0 (EmpathyLogWindow, 1);
+#ifndef ENABLE_TPL
 	window->log_manager = empathy_log_manager_dup_singleton ();
+#else
+	window->log_manager = tpl_log_manager_dup_singleton ();
+#endif /* ENABLE_TPL */
 
 	filename = empathy_file_lookup ("empathy-log-window.ui",
 					"libempathy-gtk");
@@ -339,6 +352,64 @@ log_window_entry_find_changed_cb (GtkWidget       *entry,
 	gtk_widget_set_sensitive (window->button_find, is_sensitive);
 }
 
+#ifdef ENABLE_TPL
+static void
+got_messages_for_date_cb (GObject *manager,
+                       GAsyncResult *result,
+                       gpointer user_data)
+{
+	EmpathyLogWindow *window = user_data;
+	GList         *messages;
+	GList         *l;
+	gboolean       can_do_previous;
+	gboolean       can_do_next;
+	GError        *error = NULL;
+
+	messages = tpl_log_manager_async_operation_finish (result, &error);
+
+	if (error != NULL) {
+			DEBUG ("Unable to retrieve messages for the selected date: %s. Aborting",
+					error->message);
+			empathy_chat_view_append_event (window->chatview_find,
+					"Unable to retrieve messages for the selected date");
+			g_error_free (error);
+			return;
+	}
+
+	for (l = messages; l; l = l->next) {
+			EmpathyMessage *message;
+
+			g_assert (TPL_IS_LOG_ENTRY (l->data));
+
+			message = empathy_message_from_tpl_log_entry (l->data);
+			g_object_unref (l->data);
+			empathy_chat_view_append_message (window->chatview_find, message);
+			g_object_unref (message);
+	}
+	g_list_free (messages);
+
+	/* Scroll to the most recent messages */
+	empathy_chat_view_scroll (window->chatview_find, TRUE);
+
+	/* Highlight and find messages */
+	empathy_chat_view_highlight (window->chatview_find,
+			window->last_find,
+			FALSE);
+	empathy_chat_view_find_next (window->chatview_find,
+			window->last_find,
+			TRUE,
+			FALSE);
+	empathy_chat_view_find_abilities (window->chatview_find,
+			window->last_find,
+			FALSE,
+			&can_do_previous,
+			&can_do_next);
+	gtk_widget_set_sensitive (window->button_previous, can_do_previous);
+	gtk_widget_set_sensitive (window->button_next, can_do_next);
+	gtk_widget_set_sensitive (window->button_find, FALSE);
+}
+#endif /* ENABLE_TPL */
+
 static void
 log_window_find_changed_cb (GtkTreeSelection *selection,
 			    EmpathyLogWindow  *window)
@@ -350,11 +421,13 @@ log_window_find_changed_cb (GtkTreeSelection *selection,
 	gchar         *chat_id;
 	gboolean       is_chatroom;
 	gchar         *date;
+#ifndef ENABLE_TPL
 	EmpathyMessage *message;
 	GList         *messages;
 	GList         *l;
 	gboolean       can_do_previous;
 	gboolean       can_do_next;
+#endif /* ENABLE_TPL */
 
 	/* Get selected information */
 	view = GTK_TREE_VIEW (window->treeview_find);
@@ -386,15 +459,26 @@ log_window_find_changed_cb (GtkTreeSelection *selection,
 	empathy_chat_view_scroll (window->chatview_find, FALSE);
 
 	/* Get messages */
+#ifndef ENABLE_TPL
 	messages = empathy_log_manager_get_messages_for_date (window->log_manager,
 							      account,
 							      chat_id,
 							      is_chatroom,
 							      date);
+#else
+	tpl_log_manager_get_messages_for_date_async (window->log_manager,
+							      account,
+							      chat_id,
+							      is_chatroom,
+							      date,
+							      got_messages_for_date_cb,
+							      window);
+#endif /* ENABLE_TPL */
 	g_object_unref (account);
 	g_free (date);
 	g_free (chat_id);
 
+#ifndef ENABLE_TPL
 	for (l = messages; l; l = l->next) {
 		message = l->data;
 		empathy_chat_view_append_message (window->chatview_find, message);
@@ -420,19 +504,89 @@ log_window_find_changed_cb (GtkTreeSelection *selection,
 	gtk_widget_set_sensitive (window->button_previous, can_do_previous);
 	gtk_widget_set_sensitive (window->button_next, can_do_next);
 	gtk_widget_set_sensitive (window->button_find, FALSE);
+#endif /* ENABLE_TPL */
+}
+
+
+#ifdef ENABLE_TPL
+static void
+log_manager_searched_new_cb (GObject *manager,
+                             GAsyncResult *result,
+                             gpointer user_data)
+{
+	GList               *hits;
+	GList               *l;
+	GtkTreeIter          iter;
+	GtkListStore        *store = user_data;
+	GError              *error = NULL;
+
+	hits = tpl_log_manager_async_operation_finish (result, &error);
+
+	if (error != NULL) {
+			DEBUG ("%s. Aborting", error->message);
+			g_error_free (error);
+			return;
+	}
+
+	for (l = hits; l; l = l->next) {
+			TplLogSearchHit *hit;
+			const gchar         *account_name;
+			const gchar         *account_icon;
+			gchar               *date_readable;
+
+			hit = l->data;
+
+			/* Protect against invalid data (corrupt or old log files. */
+			if (!hit->account || !hit->chat_id) {
+					continue;
+			}
+
+			date_readable = tpl_log_manager_get_date_readable (hit->date);
+			account_name = tp_account_get_display_name (hit->account);
+			account_icon = tp_account_get_icon_name (hit->account);
+
+			gtk_list_store_append (store, &iter);
+			gtk_list_store_set (store, &iter,
+					COL_FIND_ACCOUNT_ICON, account_icon,
+					COL_FIND_ACCOUNT_NAME, account_name,
+					COL_FIND_ACCOUNT, hit->account,
+					COL_FIND_CHAT_NAME, hit->chat_id, /* FIXME */
+					COL_FIND_CHAT_ID, hit->chat_id,
+					COL_FIND_IS_CHATROOM, hit->is_chatroom,
+					COL_FIND_DATE, hit->date,
+					COL_FIND_DATE_READABLE, date_readable,
+					-1);
+
+			g_free (date_readable);
+
+			/* FIXME: Update COL_FIND_CHAT_NAME */
+			if (hit->is_chatroom) {
+			} else {
+			}
+	}
+
+	if (hits) {
+			tpl_log_manager_search_free (hits);
+	}
 }
+#endif /* ENABLE_TPL */
+
 
 static void
 log_window_find_populate (EmpathyLogWindow *window,
 			  const gchar     *search_criteria)
 {
+#ifndef ENABLE_TPL
 	GList              *hits, *l;
 
+#endif /* ENABLE_TPL */
 	GtkTreeView        *view;
 	GtkTreeModel       *model;
 	GtkTreeSelection   *selection;
 	GtkListStore       *store;
+#ifndef ENABLE_TPL
 	GtkTreeIter         iter;
+#endif /* ENABLE_TPL */
 
 	view = GTK_TREE_VIEW (window->treeview_find);
 	model = gtk_tree_view_get_model (view);
@@ -448,6 +602,10 @@ log_window_find_populate (EmpathyLogWindow *window,
 		return;
 	}
 
+#ifdef ENABLE_TPL
+	tpl_log_manager_search_new_async (window->log_manager, search_criteria,
+			log_manager_searched_new_cb, (gpointer) store);
+#else
 	hits = empathy_log_manager_search_new (window->log_manager, search_criteria);
 
 	for (l = hits; l; l = l->next) {
@@ -490,6 +648,7 @@ log_window_find_populate (EmpathyLogWindow *window,
 	if (hits) {
 		empathy_log_manager_search_free (hits);
 	}
+#endif /* ENABLE_TPL */
 }
 
 static void
@@ -655,18 +814,87 @@ log_window_chats_changed_cb (GtkTreeSelection *selection,
 	log_window_chats_get_messages (window, NULL);
 }
 
+#ifdef ENABLE_TPL
+static void
+log_manager_got_chats_cb (GObject *manager,
+                       GAsyncResult *result,
+                       gpointer user_data)
+{
+	EmpathyLogWindow      *window = user_data;
+	GList                 *chats;
+	GList                 *l;
+	EmpathyAccountChooser *account_chooser;
+	TpAccount             *account;
+	GtkTreeView           *view;
+	GtkTreeModel          *model;
+	GtkTreeSelection      *selection;
+	GtkListStore          *store;
+	GtkTreeIter            iter;
+	GError                *error = NULL;
+
+	chats = tpl_log_manager_async_operation_finish (result, &error);
+
+	if (error != NULL) {
+			DEBUG ("%s. Aborting", error->message);
+			g_error_free (error);
+			return;
+	}
+
+	account_chooser = EMPATHY_ACCOUNT_CHOOSER (window->account_chooser_chats);
+	account = empathy_account_chooser_dup_account (account_chooser);
+
+	view = GTK_TREE_VIEW (window->treeview_chats);
+	model = gtk_tree_view_get_model (view);
+	selection = gtk_tree_view_get_selection (view);
+	store = GTK_LIST_STORE (model);
+
+	for (l = chats; l; l = l->next) {
+			TplLogSearchHit *hit;
+
+			hit = l->data;
+
+			gtk_list_store_append (store, &iter);
+			gtk_list_store_set (store, &iter,
+					COL_CHAT_ICON, "empathy-available", /* FIXME */
+					COL_CHAT_NAME, hit->chat_id,
+					COL_CHAT_ACCOUNT, account,
+					COL_CHAT_ID, hit->chat_id,
+					COL_CHAT_IS_CHATROOM, hit->is_chatroom,
+					-1);
+
+			/* FIXME: Update COL_CHAT_ICON/NAME */
+			if (hit->is_chatroom) {
+			} else {
+			}
+	}
+	tpl_log_manager_search_free (chats);
+
+	/* Unblock signals */
+	g_signal_handlers_unblock_by_func (selection,
+			log_window_chats_changed_cb,
+			window);
+
+	g_object_unref (account);
+}
+#endif /* ENABLE_TPL */
+
+
 static void
 log_window_chats_populate (EmpathyLogWindow *window)
 {
 	EmpathyAccountChooser *account_chooser;
 	TpAccount             *account;
+#ifndef ENABLE_TPL
 	GList                *chats, *l;
+#endif /* ENABLE_TPL */
 
 	GtkTreeView          *view;
 	GtkTreeModel         *model;
 	GtkTreeSelection     *selection;
 	GtkListStore         *store;
+#ifndef ENABLE_TPL
 	GtkTreeIter           iter;
+#endif /* ENABLE_TPL */
 
 	account_chooser = EMPATHY_ACCOUNT_CHOOSER (window->account_chooser_chats);
 	account = empathy_account_chooser_dup_account (account_chooser);
@@ -688,6 +916,10 @@ log_window_chats_populate (EmpathyLogWindow *window)
 
 	gtk_list_store_clear (store);
 
+#ifdef ENABLE_TPL
+	tpl_log_manager_get_chats_async (window->log_manager, account,
+			log_manager_got_chats_cb, (gpointer) window);
+#else
 	chats = empathy_log_manager_get_chats (window->log_manager, account);
 	for (l = chats; l; l = l->next) {
 		EmpathyLogSearchHit *hit;
@@ -717,6 +949,7 @@ log_window_chats_populate (EmpathyLogWindow *window)
 
 
 	g_object_unref (account);
+#endif /* ENABLE_TPL */
 }
 
 static void
@@ -886,6 +1119,219 @@ log_window_chats_get_selected (EmpathyLogWindow  *window,
 	return TRUE;
 }
 
+#ifdef ENABLE_TPL
+static void
+log_window_got_messages_for_date_cb (GObject *manager,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  EmpathyLogWindow *window = user_data;
+  GList *messages;
+  GList *l;
+  GError *error = NULL;
+
+  messages = tpl_log_manager_async_operation_finish (result, &error);
+
+  if (error != NULL) {
+      DEBUG ("Unable to retrieve messages for the selected date: %s. Aborting",
+          error->message);
+      empathy_chat_view_append_event (window->chatview_find,
+          "Unable to retrieve messages for the selected date");
+      g_error_free (error);
+      return;
+  }
+
+  for (l = messages; l; l = l->next) {
+      EmpathyMessage *message = empathy_message_from_tpl_log_entry (l->data);
+      g_object_unref (l->data);
+      empathy_chat_view_append_message (window->chatview_chats,
+          message);
+      g_object_unref (message);
+  }
+  g_list_free (messages);
+
+  /* Turn back on scrolling */
+  empathy_chat_view_scroll (window->chatview_find, TRUE);
+
+  /* Give the search entry main focus */
+  gtk_widget_grab_focus (window->entry_chats);
+}
+
+
+static void
+log_window_get_messages_for_date (EmpathyLogWindow *window,
+                                 const gchar *date)
+{
+  TpAccount *account;
+  gchar *chat_id;
+  gboolean is_chatroom;
+
+  gtk_calendar_clear_marks (GTK_CALENDAR (window->calendar_chats));
+
+  if (!log_window_chats_get_selected (window, &account,
+        &chat_id, &is_chatroom)) {
+      return;
+  }
+
+  /* Clear all current messages shown in the textview */
+  empathy_chat_view_clear (window->chatview_chats);
+
+  /* Turn off scrolling temporarily */
+  empathy_chat_view_scroll (window->chatview_find, FALSE);
+
+  /* Get messages */
+  tpl_log_manager_get_messages_for_date_async (window->log_manager,
+      account, chat_id,
+      is_chatroom,
+      date,
+      log_window_got_messages_for_date_cb,
+      (gpointer) window);
+}
+
+static void
+log_manager_got_dates_cb (GObject *manager,
+                          GAsyncResult *result,
+                          gpointer user_data)
+{
+  EmpathyLogWindow *window = user_data;
+  GList         *dates;
+  GList         *l;
+  guint          year_selected;
+  guint          year;
+  guint          month;
+  guint          month_selected;
+  guint          day;
+  gboolean       day_selected = FALSE;
+  const gchar   *date = NULL;
+  GError        *error = NULL;
+
+  dates = tpl_log_manager_async_operation_finish (result, &error);
+
+  if (error != NULL) {
+    DEBUG ("Unable to retrieve messages' dates: %s. Aborting",
+        error->message);
+    empathy_chat_view_append_event (window->chatview_find,
+        "Unable to retrieve messages' dates");
+      return;
+  }
+
+  for (l = dates; l; l = l->next) {
+      const gchar *str;
+
+      str = l->data;
+      if (!str) {
+          continue;
+      }
+
+      sscanf (str, "%4d%2d%2d", &year, &month, &day);
+      gtk_calendar_get_date (GTK_CALENDAR (window->calendar_chats),
+          &year_selected,
+          &month_selected,
+          NULL);
+
+      month_selected++;
+
+      if (!l->next) {
+          date = str;
+      }
+
+      if (year != year_selected || month != month_selected) {
+          continue;
+      }
+
+      DEBUG ("Marking date:'%s'", str);
+      gtk_calendar_mark_day (GTK_CALENDAR (window->calendar_chats), day);
+
+      if (l->next) {
+          continue;
+      }
+
+      day_selected = TRUE;
+
+      gtk_calendar_select_day (GTK_CALENDAR (window->calendar_chats), day);
+  }
+
+  if (!day_selected) {
+      /* Unselect the day in the calendar */
+      gtk_calendar_select_day (GTK_CALENDAR (window->calendar_chats), 0);
+  }
+
+  g_signal_handlers_unblock_by_func (window->calendar_chats,
+      log_window_calendar_chats_day_selected_cb,
+      window);
+
+  if (date) {
+      log_window_get_messages_for_date (window, date);
+  }
+
+  g_list_foreach (dates, (GFunc) g_free, NULL);
+  g_list_free (dates);
+}
+
+
+static void
+log_window_chats_get_messages (EmpathyLogWindow *window,
+			       const gchar     *date_to_show)
+{
+	TpAccount     *account;
+	gchar         *chat_id;
+	gboolean       is_chatroom;
+	const gchar   *date;
+	guint          year_selected;
+	guint          year;
+	guint          month;
+	guint          month_selected;
+	guint          day;
+
+
+	if (!log_window_chats_get_selected (window, &account,
+					    &chat_id, &is_chatroom)) {
+		return;
+	}
+
+	g_signal_handlers_block_by_func (window->calendar_chats,
+					 log_window_calendar_chats_day_selected_cb,
+					 window);
+
+	/* Either use the supplied date or get the last */
+	date = date_to_show;
+	if (!date) {
+		/* Get a list of dates and show them on the calendar */
+		tpl_log_manager_get_dates_async (window->log_manager,
+						       account, chat_id,
+						       is_chatroom,
+						       log_manager_got_dates_cb, (gpointer) window);
+    /* signal unblocked at the end of the CB flow */
+	} else {
+		sscanf (date, "%4d%2d%2d", &year, &month, &day);
+		gtk_calendar_get_date (GTK_CALENDAR (window->calendar_chats),
+				&year_selected,
+				&month_selected,
+				NULL);
+
+		month_selected++;
+
+		if (year != year_selected && month != month_selected) {
+			day = 0;
+		}
+
+		gtk_calendar_select_day (GTK_CALENDAR (window->calendar_chats), day);
+
+    g_signal_handlers_unblock_by_func (window->calendar_chats,
+        log_window_calendar_chats_day_selected_cb,
+        window);
+	}
+
+	if (date) {
+      log_window_get_messages_for_date (window, date);
+	}
+
+	g_object_unref (account);
+	g_free (chat_id);
+}
+
+#else
+
 static void
 log_window_chats_get_messages (EmpathyLogWindow *window,
 			       const gchar     *date_to_show)
@@ -1022,6 +1468,8 @@ OUT:
 	g_free (chat_id);
 }
 
+#endif /* ENABLE_TPL */
+
 static void
 log_window_calendar_chats_day_selected_cb (GtkWidget       *calendar,
 					   EmpathyLogWindow *window)
@@ -1046,6 +1494,67 @@ log_window_calendar_chats_day_selected_cb (GtkWidget       *calendar,
 	g_free (date);
 }
 
+
+#ifdef ENABLE_TPL
+static void
+log_window_updating_calendar_month_cb (GObject *manager,
+		GAsyncResult *result, gpointer user_data)
+{
+	EmpathyLogWindow *window = user_data;
+	GList					*dates;
+	GList					*l;
+	guint					 year_selected;
+	guint					 month_selected;
+	GError				*error = NULL;
+
+	dates = tpl_log_manager_async_operation_finish (result, &error);
+
+	if (error != NULL) {
+			DEBUG ("Unable to retrieve messages' dates: %s. Aborting",
+					error->message);
+			empathy_chat_view_append_event (window->chatview_find,
+					"Unable to retrieve messages' dates");
+			g_error_free (error);
+			return;
+	}
+
+	gtk_calendar_clear_marks (GTK_CALENDAR (window->calendar_chats));
+	g_object_get (window->calendar_chats,
+			"month", &month_selected,
+			"year", &year_selected,
+			NULL);
+
+	/* We need this here because it appears that the months start from 0 */
+	month_selected++;
+
+	for (l = dates; l; l = l->next) {
+			const gchar *str;
+			guint        year;
+			guint        month;
+			guint        day;
+
+			str = l->data;
+			if (!str) {
+					continue;
+			}
+
+			sscanf (str, "%4d%2d%2d", &year, &month, &day);
+
+			if (year == year_selected && month == month_selected) {
+					DEBUG ("Marking date:'%s'", str);
+					gtk_calendar_mark_day (GTK_CALENDAR (window->calendar_chats), day);
+			}
+	}
+
+	g_list_foreach (dates, (GFunc) g_free, NULL);
+	g_list_free (dates);
+
+	DEBUG ("Currently showing month %d and year %d", month_selected,
+			year_selected);
+}
+#endif /* ENABLE_TPL */
+
+
 static void
 log_window_calendar_chats_month_changed_cb (GtkWidget       *calendar,
 					    EmpathyLogWindow *window)
@@ -1053,11 +1562,13 @@ log_window_calendar_chats_month_changed_cb (GtkWidget       *calendar,
 	TpAccount     *account;
 	gchar         *chat_id;
 	gboolean       is_chatroom;
+#ifndef ENABLE_TPL
 	guint          year_selected;
 	guint          month_selected;
 
 	GList         *dates;
 	GList         *l;
+#endif /* ENABLE_TPL */
 
 	gtk_calendar_clear_marks (GTK_CALENDAR (calendar));
 
@@ -1067,20 +1578,24 @@ log_window_calendar_chats_month_changed_cb (GtkWidget       *calendar,
 		return;
 	}
 
+	/* Get the log object for this contact */
+#ifdef ENABLE_TPL
+	tpl_log_manager_get_dates_async (window->log_manager, account,
+					       chat_id, is_chatroom,
+					       log_window_updating_calendar_month_cb,
+					       (gpointer) window);
+#else
+	dates = empathy_log_manager_get_dates (window->log_manager, account,
+					       chat_id, is_chatroom);
+
 	g_object_get (calendar,
 		      "month", &month_selected,
 		      "year", &year_selected,
 		      NULL);
 
-	/* We need this hear because it appears that the months start from 0 */
+	/* We need this here because it appears that the months start from 0 */
 	month_selected++;
 
-	/* Get the log object for this contact */
-	dates = empathy_log_manager_get_dates (window->log_manager, account,
-					       chat_id, is_chatroom);
-	g_object_unref (account);
-	g_free (chat_id);
-
 	for (l = dates; l; l = l->next) {
 		const gchar *str;
 		guint        year;
@@ -1105,6 +1620,10 @@ log_window_calendar_chats_month_changed_cb (GtkWidget       *calendar,
 
 	DEBUG ("Currently showing month %d and year %d", month_selected,
 		year_selected);
+#endif /* ENABLE_TPL */
+
+	g_object_unref (account);
+	g_free (chat_id);
 }
 
 static void
diff --git a/libempathy/Makefile.am b/libempathy/Makefile.am
index f6f0c0a..1f14239 100644
--- a/libempathy/Makefile.am
+++ b/libempathy/Makefile.am
@@ -8,6 +8,7 @@ AM_CPPFLAGS =                                           \
 	-DDATADIR=\""$(datadir)"\"              	\
 	-DLOCALEDIR=\""$(datadir)/locale"\"		\
 	-DG_LOG_DOMAIN=\"empathy\"			\
+	$(TPL_CFLAGS)					\
 	$(LIBEMPATHY_CFLAGS)				\
 	$(GEOCLUE_CFLAGS)				\
 	$(NETWORK_MANAGER_CFLAGS)			\
@@ -48,9 +49,6 @@ libempathy_headers =				\
 	empathy-irc-network.h			\
 	empathy-irc-server.h			\
 	empathy-location.h			\
-	empathy-log-manager.h			\
-	empathy-log-store-empathy.h		\
-	empathy-log-store.h			\
 	empathy-message.h			\
 	empathy-status-presets.h		\
 	empathy-time.h				\
@@ -63,6 +61,14 @@ libempathy_headers =				\
 	empathy-types.h				\
 	empathy-utils.h
 
+if !ENABLE_TPL
+libempathy_headers +=	\
+	empathy-log-manager.h				\
+	empathy-log-store-empathy.h			\
+	empathy-log-store.h				\
+	$(NULL)
+endif
+
 libempathy_la_SOURCES =					\
 	$(libempathy_headers)				\
 	empathy-account-settings.c			\
@@ -87,9 +93,6 @@ libempathy_la_SOURCES =					\
 	empathy-irc-network-manager.c			\
 	empathy-irc-network.c				\
 	empathy-irc-server.c				\
-	empathy-log-manager.c				\
-	empathy-log-store-empathy.c			\
-	empathy-log-store.c				\
 	empathy-message.c				\
 	empathy-status-presets.c			\
 	empathy-time.c					\
@@ -101,6 +104,14 @@ libempathy_la_SOURCES =					\
 	empathy-tp-roomlist.c				\
 	empathy-utils.c
 
+if !ENABLE_TPL
+libempathy_la_SOURCES += \
+	empathy-log-manager.c				\
+	empathy-log-store-empathy.c			\
+	empathy-log-store.c				\
+	$(NULL)
+endif
+
 # do not distribute generated files
 nodist_libempathy_la_SOURCES =\
 	$(BUILT_SOURCES)
@@ -109,6 +120,7 @@ libempathy_la_LIBADD =		\
 	$(top_builddir)/extensions/libemp-extensions.la \
 	$(LIBEMPATHY_LIBS) \
 	$(GEOCLUE_LIBS) \
+	$(TPL_LIBS) \
 	$(NETWORK_MANAGER_LIBS) \
 	$(CONNMAN_LIBS)
 
@@ -181,9 +193,10 @@ dtd_DATA = 					\
 	empathy-chatroom-manager.dtd		\
 	empathy-irc-networks.dtd
 
+if !ENABLE_TPL
 stylesheetdir = $(datadir)/empathy
-stylesheet_DATA =		\
-	empathy-log-manager.xsl
+stylesheet_DATA = empathy-log-manager.xsl
+endif
 
 ircnetworksdir = $(datadir)/empathy
 ircnetworks_DATA =		\
@@ -191,10 +204,13 @@ ircnetworks_DATA =		\
 
 EXTRA_DIST = 			\
 	empathy-marshal.list	\
-	$(stylesheet_DATA)	\
 	$(dtd_DATA)		\
 	$(ircnetworks_DATA)
 
+if !ENABLE_TPL
+EXTRA_DIST +=  $(stylesheet_DATA)
+endif
+
 CLEANFILES = 				\
 	$(BUILT_SOURCES)		\
 	stamp-empathy-enum-types.h
diff --git a/libempathy/empathy-contact.c b/libempathy/empathy-contact.c
index a440ef2..feba1c0 100644
--- a/libempathy/empathy-contact.c
+++ b/libempathy/empathy-contact.c
@@ -27,6 +27,9 @@
 
 #include <telepathy-glib/account-manager.h>
 #include <telepathy-glib/util.h>
+#ifdef ENABEL_TPL
+#include <telepathy-logger/contact.h>
+#endif /* ENABLE_TPL */
 
 #include "empathy-contact.h"
 #include "empathy-utils.h"
@@ -408,6 +411,33 @@ empathy_contact_new (TpContact *tp_contact)
       NULL);
 }
 
+#ifdef ENABLE_TPL
+EmpathyContact *
+empathy_contact_from_tpl_contact (TpAccount *account,
+    TplContact *tpl_contact)
+{
+  EmpathyContact *retval;
+  gboolean is_user;
+
+  g_return_val_if_fail (TPL_IS_CONTACT (tpl_contact), NULL);
+
+  is_user = (TPL_CONTACT_USER == tpl_contact_get_contact_type (tpl_contact));
+
+  retval = g_object_new (EMPATHY_TYPE_CONTACT,
+      "id", tpl_contact_get_alias (tpl_contact),
+      "name", tpl_contact_get_identifier (tpl_contact),
+      "account", account,
+      "is-user", is_user,
+      NULL);
+
+  if (!EMP_STR_EMPTY (tpl_contact_get_avatar_token (tpl_contact)))
+    empathy_contact_load_avatar_cache (retval,
+        tpl_contact_get_avatar_token (tpl_contact));
+
+  return retval;
+}
+#endif /* ENABLE_TPL */
+
 EmpathyContact *
 empathy_contact_new_for_log (TpAccount *account,
                              const gchar *id,
diff --git a/libempathy/empathy-contact.h b/libempathy/empathy-contact.h
index 2dd6bc0..231f95b 100644
--- a/libempathy/empathy-contact.h
+++ b/libempathy/empathy-contact.h
@@ -26,6 +26,9 @@
 
 #include <telepathy-glib/contact.h>
 #include <telepathy-glib/account.h>
+#ifdef ENABLE_TPL
+#include <telepathy-logger/contact.h>
+#endif /* ENABLE_TPL */
 
 G_BEGIN_DECLS
 
@@ -70,6 +73,10 @@ typedef enum {
 
 GType empathy_contact_get_type (void) G_GNUC_CONST;
 EmpathyContact * empathy_contact_new (TpContact *tp_contact);
+#ifdef ENABLE_TPL
+EmpathyContact * empathy_contact_from_tpl_contact (TpAccount *account,
+    TplContact *tpl_contact);
+#endif /* ENABLE_TPL */
 EmpathyContact * empathy_contact_new_for_log (TpAccount *account,
     const gchar *id, const gchar *name, gboolean is_user);
 TpContact * empathy_contact_get_tp_contact (EmpathyContact *contact);
diff --git a/libempathy/empathy-log-manager.h b/libempathy/empathy-log-manager.h
index 25f1b5f..4e4097d 100644
--- a/libempathy/empathy-log-manager.h
+++ b/libempathy/empathy-log-manager.h
@@ -24,6 +24,9 @@
 #ifndef __EMPATHY_LOG_MANAGER_H__
 #define __EMPATHY_LOG_MANAGER_H__
 
+#include <config.h>
+#ifndef ENABLE_TPL
+
 #include <glib-object.h>
 
 #include "empathy-message.h"
@@ -100,4 +103,5 @@ void empathy_log_manager_observe (EmpathyLogManager *log_manager,
 
 G_END_DECLS
 
+#endif /* ENABLE_TPL */
 #endif /* __EMPATHY_LOG_MANAGER_H__ */
diff --git a/libempathy/empathy-log-store-empathy.h b/libempathy/empathy-log-store-empathy.h
index e77076a..3b26d2c 100644
--- a/libempathy/empathy-log-store-empathy.h
+++ b/libempathy/empathy-log-store-empathy.h
@@ -25,6 +25,9 @@
 #ifndef __EMPATHY_LOG_STORE_EMPATHY_H__
 #define __EMPATHY_LOG_STORE_EMPATHY_H__
 
+#include <config.h>
+#ifndef ENABLE_TPL
+
 #include <glib.h>
 
 G_BEGIN_DECLS
@@ -63,4 +66,5 @@ GType empathy_log_store_empathy_get_type (void);
 
 G_END_DECLS
 
+#endif /* ENABLE_TPL */
 #endif /* __EMPATHY_LOG_STORE_EMPATHY_H__ */
diff --git a/libempathy/empathy-log-store.h b/libempathy/empathy-log-store.h
index 94bc873..185e38c 100644
--- a/libempathy/empathy-log-store.h
+++ b/libempathy/empathy-log-store.h
@@ -23,6 +23,9 @@
 #ifndef __EMPATHY_LOG_STORE_H__
 #define __EMPATHY_LOG_STORE_H__
 
+#include <config.h>
+#ifndef ENABLE_TPL
+
 #include <glib-object.h>
 
 #include <telepathy-glib/account.h>
@@ -98,4 +101,5 @@ GList *empathy_log_store_get_filtered_messages (EmpathyLogStore *self,
 
 G_END_DECLS
 
+#endif /* ENABLE_TPL */
 #endif /* __EMPATHY_LOG_STORE_H__ */
diff --git a/libempathy/empathy-message.c b/libempathy/empathy-message.c
index 0fe4578..a46d7d9 100644
--- a/libempathy/empathy-message.c
+++ b/libempathy/empathy-message.c
@@ -27,6 +27,14 @@
 #include <string.h>
 
 #include <telepathy-glib/util.h>
+#ifdef ENABLE_TPL
+#include <telepathy-glib/account.h>
+#include <telepathy-glib/account-manager.h>
+
+#include <telepathy-logger/contact.h>
+#include <telepathy-logger/log-entry.h>
+#include <telepathy-logger/log-entry-text.h>
+#endif /* ENABLE_TPL */
 
 #include "empathy-message.h"
 #include "empathy-utils.h"
@@ -252,6 +260,71 @@ empathy_message_new (const gchar *body)
 			     NULL);
 }
 
+#ifdef ENABLE_TPL
+EmpathyMessage *
+empathy_message_from_tpl_log_entry (TplLogEntry *logentry)
+{
+	EmpathyMessage *retval = NULL;
+	TpAccountManager *acc_man = NULL;
+	TpAccount *account = NULL;
+	TplContact *receiver = NULL;
+	TplContact *sender = NULL;
+	gchar *body= NULL;
+
+	g_return_val_if_fail (TPL_IS_LOG_ENTRY (logentry), NULL);
+
+	acc_man = tp_account_manager_dup ();
+	/* FIXME Currently Empathy shows in the log viewer only valid accounts, so it
+	 * won't be selected any non-existing (ie removed) account.
+	 * When #610455 will be fixed, calling tp_account_manager_ensure_account ()
+	 * might add a not existing account to the AM. tp_account_new () probably
+	 * will be the best way to handle it.
+	 * Note: When creating an EmpathyContact from a TplContact instance, the
+	 * TpAccount is passed *only* to let EmpathyContact be able to retrieve the
+	 * avatar (contact_get_avatar_filename () need a TpAccount).
+	 * If the way EmpathyContact stores the avatar is changes, it might not be
+	 * needed anymore any TpAccount passing and the following call will be
+	 * useless */
+	account = tp_account_manager_ensure_account (acc_man,
+			tpl_log_entry_get_account_path (logentry));
+	g_object_unref (acc_man);
+
+	/* TODO Currently only TplLogEntryText exists as subclass of TplLogEntry, in
+	 * future more TplLogEntry will exist and EmpathyMessage should probably
+	 * be enhanced to support other types of log entries (ie TplLogEntryCall).
+	 *
+	 * For now we just check (simply) that we are dealing with the only supported type,
+	 * then there will be a if/then/else or switch handling all the supported
+	 * cases.
+	 */
+	if (!TPL_IS_LOG_ENTRY_TEXT (logentry))
+		return NULL;
+
+	body = g_strdup (tpl_log_entry_text_get_message (
+				TPL_LOG_ENTRY_TEXT (logentry)));
+	receiver = tpl_log_entry_text_get_receiver (TPL_LOG_ENTRY_TEXT (logentry));
+	sender = tpl_log_entry_text_get_sender (TPL_LOG_ENTRY_TEXT (logentry));
+
+	retval = empathy_message_new (body);
+	if (receiver != NULL)
+		empathy_message_set_receiver (retval,
+				empathy_contact_from_tpl_contact (account, receiver));
+	if (sender != NULL)
+		empathy_message_set_sender (retval,
+				empathy_contact_from_tpl_contact (account, sender));
+
+	empathy_message_set_timestamp (retval,
+			tpl_log_entry_get_timestamp (logentry));
+	empathy_message_set_id (retval,
+			tpl_log_entry_text_get_log_id (TPL_LOG_ENTRY_TEXT (logentry)));
+	empathy_message_set_is_backlog (retval, FALSE);
+
+	g_free (body);
+
+	return retval;
+}
+#endif /* ENABLE_TPL */
+
 TpChannelTextMessageType
 empathy_message_get_tptype (EmpathyMessage *message)
 {
@@ -593,7 +666,12 @@ empathy_message_equal (EmpathyMessage *message1, EmpathyMessage *message2)
 	priv1 = GET_PRIV (message1);
 	priv2 = GET_PRIV (message2);
 
+#ifdef ENABLE_TPL
+	if (priv1->timestamp == priv2->timestamp &&
+			!tp_strdiff (priv1->body, priv2->body)) {
+#else
 	if (priv1->id == priv2->id && !tp_strdiff (priv1->body, priv2->body)) {
+#endif /* ENABLE_TPL */
 		return TRUE;
 	}
 
diff --git a/libempathy/empathy-message.h b/libempathy/empathy-message.h
index 5128693..d8d0c96 100644
--- a/libempathy/empathy-message.h
+++ b/libempathy/empathy-message.h
@@ -26,6 +26,9 @@
 #define __EMPATHY_MESSAGE_H__
 
 #include <glib-object.h>
+#ifdef ENABLE_TPL
+#include <telepathy-logger/log-entry.h>
+#endif
 
 #include "empathy-contact.h"
 #include "empathy-time.h"
@@ -53,6 +56,9 @@ struct _EmpathyMessageClass {
 
 GType                    empathy_message_get_type          (void) G_GNUC_CONST;
 EmpathyMessage *         empathy_message_new               (const gchar              *body);
+#ifdef ENABLE_TPL
+EmpathyMessage *         empathy_message_from_tpl_log_entry (TplLogEntry             *logentry);
+#endif /* ENABLE_TPL */
 TpChannelTextMessageType empathy_message_get_tptype        (EmpathyMessage           *message);
 void                     empathy_message_set_tptype        (EmpathyMessage           *message,
 							    TpChannelTextMessageType  type);
diff --git a/src/Makefile.am b/src/Makefile.am
index 9460fc9..3f8d157 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -13,6 +13,7 @@ CPPFLAGS_COMMON =					\
 AM_LDFLAGS = -lm
 AM_CPPFLAGS =						\
 	$(CPPFLAGS_COMMON)				\
+	$(TPL_CFLAGS)					\
 	$(LIBNOTIFY_CFLAGS)				\
 	$(LIBCHAMPLAIN_CFLAGS)				\
 	$(WEBKIT_CFLAGS)				\
@@ -22,6 +23,7 @@ LDADD =								\
 	$(top_builddir)/libempathy-gtk/libempathy-gtk.la	\
 	$(top_builddir)/libempathy/libempathy.la		\
 	$(top_builddir)/extensions/libemp-extensions.la		\
+	$(TPL_LIBS)						\
 	$(LIBNOTIFY_LIBS)					\
 	$(EMPATHY_LIBS)						\
 	$(LIBCHAMPLAIN_LIBS)					\
diff --git a/src/empathy-chat-window.c b/src/empathy-chat-window.c
index d8c68dc..2e2f5c0 100644
--- a/src/empathy-chat-window.c
+++ b/src/empathy-chat-window.c
@@ -1315,6 +1315,8 @@ chat_window_new_message_cb (EmpathyChat       *chat,
 
 	if (has_focus && priv->current_chat == chat) {
 		/* window and tab are focused so consider the message to be read */
+
+		/* FIXME: see Bug#610994 and coments about it in EmpathyChatPriv */
 		empathy_chat_messages_read (chat);
 		return;
 	}
diff --git a/src/empathy.c b/src/empathy.c
index 5ba8be1..a530b4a 100644
--- a/src/empathy.c
+++ b/src/empathy.c
@@ -44,6 +44,13 @@
 #include <telepathy-glib/connection-manager.h>
 #include <telepathy-glib/interfaces.h>
 
+#ifdef ENABLE_TPL
+#include <telepathy-logger/log-manager.h>
+#include <telepathy-logger/log-store-empathy.h>
+#else
+
+#include <libempathy/empathy-log-manager.h>
+#endif /* ENABLE_TPL */
 #include <libempathy/empathy-idle.h>
 #include <libempathy/empathy-utils.h>
 #include <libempathy/empathy-call-factory.h>
@@ -53,7 +60,6 @@
 #include <libempathy/empathy-connection-managers.h>
 #include <libempathy/empathy-dispatcher.h>
 #include <libempathy/empathy-dispatch-operation.h>
-#include <libempathy/empathy-log-manager.h>
 #include <libempathy/empathy-ft-factory.h>
 #include <libempathy/empathy-tp-chat.h>
 #include <libempathy/empathy-tp-call.h>
@@ -547,7 +553,11 @@ main (int argc, char *argv[])
   EmpathyStatusIcon *icon;
   EmpathyDispatcher *dispatcher;
   TpAccountManager *account_manager;
+#ifdef ENABLE_TPL
+  TplLogManager *log_manager;
+#else
   EmpathyLogManager *log_manager;
+#endif /* ENABLE_TPL */
   EmpathyChatroomManager *chatroom_manager;
   EmpathyCallFactory *call_factory;
   EmpathyFTFactory  *ft_factory;
@@ -560,7 +570,7 @@ main (int argc, char *argv[])
 
 #ifdef ENABLE_DEBUG
   TpDebugSender *debug_sender;
-#endif
+#endif /* ENABLE_TPL */
 
   GOptionContext *optcontext;
   GOptionEntry options[] = {
@@ -654,8 +664,12 @@ main (int argc, char *argv[])
       G_CALLBACK (unique_app_message_cb), window);
 
   /* Logging */
+#ifdef ENABLE_TPL
+  log_manager = tpl_log_manager_dup_singleton ();
+#else
   log_manager = empathy_log_manager_dup_singleton ();
   empathy_log_manager_observe (log_manager, dispatcher);
+#endif
 
   chatroom_manager = empathy_chatroom_manager_dup_singleton (NULL);
   empathy_chatroom_manager_observe (chatroom_manager, dispatcher);