[empathy: 1/12] Fix topic not always shown, and add /topic command support.

[Xavier Claessens <xclaesse src gnome org>]

commit 940f9b60e27fe79d64357c651525cbf50a936567
Author: Xavier Claessens <xclaesse gmail com>
Date:   Sat Oct 10 00:28:26 2009 +0200

    Fix topic not always shown, and add /topic command support.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=573407

 libempathy-gtk/empathy-chat.c |   51 ++++++++++++++++++++++++++--
 libempathy/empathy-tp-chat.c  |   73 ++++++++++++++++++++++++++++-------------
 libempathy/empathy-tp-chat.h  |   11 ++++++
 3 files changed, 108 insertions(+), 27 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 3931115..6c712a5 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -394,6 +394,31 @@ chat_send (EmpathyChat  *chat,
 	if (strcmp (msg, "/clear") == 0) {
 		empathy_chat_view_clear (chat->view);
 		return;
+	} else if (g_str_has_prefix (msg, "/topic")) {
+		EmpathyTpChatProperty *property;
+		GValue value = {0, };
+		gchar *topic;
+
+		property = empathy_tp_chat_get_property (priv->tp_chat, "subject");
+		if (property == NULL) {
+			empathy_chat_view_append_event (chat->view,
+				_("This conversation does not have topic"));
+			return;
+		}
+
+		if (!(property->flags & TP_PROPERTY_FLAG_WRITE)) {
+			empathy_chat_view_append_event (chat->view,
+				_("You need to be a channel operator to do that"));
+			return;
+		}
+
+		topic = g_strstrip (g_strdup (msg + strlen ("/topic")));
+		g_value_init (&value, G_TYPE_STRING);
+		g_value_take_string (&value, topic);
+		empathy_tp_chat_set_property (priv->tp_chat, "subject", &value);
+		g_value_unset (&value);
+
+		return;
 	}
 
 	message = empathy_message_new_from_entry (msg);
@@ -1449,9 +1474,6 @@ chat_create_ui (EmpathyChat *chat)
 			   chat->input_text_view);
 	gtk_widget_show (chat->input_text_view);
 
-	/* Create contact list */
-	chat_update_contacts_visibility (chat);
-
 	/* Initialy hide the topic, will be shown if not empty */
 	gtk_widget_hide (priv->hbox_topic);
 
@@ -1588,7 +1610,6 @@ chat_constructed (GObject *object)
 {
 	EmpathyChat *chat = EMPATHY_CHAT (object);
 
-	chat_create_ui (chat);
 	chat_add_logs (chat);
 	show_pending_messages (chat);
 }
@@ -1728,6 +1749,8 @@ empathy_chat_init (EmpathyChat *chat)
 	/* Add nick name completion */
 	priv->completion = g_completion_new ((GCompletionFunc) empathy_contact_get_name);
 	g_completion_set_compare (priv->completion, chat_contacts_completion_func);
+
+	chat_create_ui (chat);
 }
 
 EmpathyChat *
@@ -1752,6 +1775,7 @@ empathy_chat_set_tp_chat (EmpathyChat   *chat,
 {
 	EmpathyChatPriv *priv = GET_PRIV (chat);
 	TpConnection    *connection;
+	GPtrArray       *properties;
 
 	g_return_if_fail (EMPATHY_IS_CHAT (chat));
 	g_return_if_fail (EMPATHY_IS_TP_CHAT (tp_chat));
@@ -1794,6 +1818,25 @@ empathy_chat_set_tp_chat (EmpathyChat   *chat,
 				  G_CALLBACK (chat_remote_contact_changed_cb),
 				  chat);
 
+	/* Get initial value of properties */
+	properties = empathy_tp_chat_get_properties (priv->tp_chat);
+	if (properties != NULL) {
+		guint i;
+
+		for (i = 0; i < properties->len; i++) {
+			EmpathyTpChatProperty *property;
+
+			property = g_ptr_array_index (properties, i);
+			if (property->value == NULL)
+				continue;
+
+			chat_property_changed_cb (priv->tp_chat,
+						  property->name,
+						  property->value,
+						  chat);
+		}
+	}
+
 	chat_remote_contact_changed_cb (chat);
 
 	if (chat->input_text_view) {
diff --git a/libempathy/empathy-tp-chat.c b/libempathy/empathy-tp-chat.c
index 0907753..83faaff 100644
--- a/libempathy/empathy-tp-chat.c
+++ b/libempathy/empathy-tp-chat.c
@@ -58,13 +58,6 @@ typedef struct {
 	gboolean               ready;
 } EmpathyTpChatPriv;
 
-typedef struct {
-	gchar          *name;
-	guint           id;
-	TpPropertyFlags flags;
-	GValue         *value;
-} TpChatProperty;
-
 static void tp_chat_iface_init         (EmpathyContactListIface *iface);
 
 enum {
@@ -493,10 +486,10 @@ tp_chat_property_flags_changed_cb (TpProxy         *proxy,
 	}
 
 	for (i = 0; i < properties->len; i++) {
-		GValueArray    *prop_struct;
-		TpChatProperty *property;
-		guint           id;
-		guint           flags;
+		GValueArray           *prop_struct;
+		EmpathyTpChatProperty *property;
+		guint                  id;
+		guint                  flags;
 
 		prop_struct = g_ptr_array_index (properties, i);
 		id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
@@ -531,10 +524,10 @@ tp_chat_properties_changed_cb (TpProxy         *proxy,
 	}
 
 	for (i = 0; i < properties->len; i++) {
-		GValueArray    *prop_struct;
-		TpChatProperty *property;
-		guint           id;
-		GValue         *src_value;
+		GValueArray           *prop_struct;
+		EmpathyTpChatProperty *property;
+		guint                  id;
+		GValue                *src_value;
 
 		prop_struct = g_ptr_array_index (properties, i);
 		id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
@@ -597,11 +590,11 @@ tp_chat_list_properties_cb (TpProxy         *proxy,
 	ids = g_array_sized_new (FALSE, FALSE, sizeof (guint), properties->len);
 	priv->properties = g_ptr_array_sized_new (properties->len);
 	for (i = 0; i < properties->len; i++) {
-		GValueArray    *prop_struct;
-		TpChatProperty *property;
+		GValueArray           *prop_struct;
+		EmpathyTpChatProperty *property;
 
 		prop_struct = g_ptr_array_index (properties, i);
-		property = g_slice_new0 (TpChatProperty);
+		property = g_slice_new0 (EmpathyTpChatProperty);
 		property->id = g_value_get_uint (g_value_array_get_nth (prop_struct, 0));
 		property->name = g_value_dup_string (g_value_array_get_nth (prop_struct, 1));
 		property->flags = g_value_get_uint (g_value_array_get_nth (prop_struct, 3));
@@ -628,9 +621,13 @@ empathy_tp_chat_set_property (EmpathyTpChat *chat,
 			      const gchar   *name,
 			      const GValue  *value)
 {
-	EmpathyTpChatPriv *priv = GET_PRIV (chat);
-	TpChatProperty    *property;
-	guint              i;
+	EmpathyTpChatPriv     *priv = GET_PRIV (chat);
+	EmpathyTpChatProperty *property;
+	guint                  i;
+
+	if (!priv->had_properties_list) {
+		return;
+	}
 
 	for (i = 0; i < priv->properties->len; i++) {
 		property = g_ptr_array_index (priv->properties, i);
@@ -672,6 +669,36 @@ empathy_tp_chat_set_property (EmpathyTpChat *chat,
 	}
 }
 
+EmpathyTpChatProperty *
+empathy_tp_chat_get_property (EmpathyTpChat *chat,
+			      const gchar   *name)
+{
+	EmpathyTpChatPriv     *priv = GET_PRIV (chat);
+	EmpathyTpChatProperty *property;
+	guint                  i;
+
+	if (!priv->had_properties_list) {
+		return NULL;
+	}
+
+	for (i = 0; i < priv->properties->len; i++) {
+		property = g_ptr_array_index (priv->properties, i);
+		if (!tp_strdiff (property->name, name)) {
+			return property;
+		}
+	}
+
+	return NULL;
+}
+
+GPtrArray *
+empathy_tp_chat_get_properties (EmpathyTpChat *chat)
+{
+	EmpathyTpChatPriv *priv = GET_PRIV (chat);
+
+	return priv->properties;
+}
+
 static void
 tp_chat_dispose (GObject *object)
 {
@@ -727,14 +754,14 @@ tp_chat_finalize (GObject *object)
 
 	if (priv->properties) {
 		for (i = 0; i < priv->properties->len; i++) {
-			TpChatProperty *property;
+			EmpathyTpChatProperty *property;
 
 			property = g_ptr_array_index (priv->properties, i);
 			g_free (property->name);
 			if (property->value) {
 				tp_g_value_slice_free (property->value);
 			}
-			g_slice_free (TpChatProperty, property);
+			g_slice_free (EmpathyTpChatProperty, property);
 		}
 		g_ptr_array_free (priv->properties, TRUE);
 	}
diff --git a/libempathy/empathy-tp-chat.h b/libempathy/empathy-tp-chat.h
index f7d2b58..f07f064 100644
--- a/libempathy/empathy-tp-chat.h
+++ b/libempathy/empathy-tp-chat.h
@@ -52,6 +52,13 @@ struct _EmpathyTpChatClass {
 	GObjectClass parent_class;
 };
 
+typedef struct {
+	gchar          *name;
+	guint           id;
+	TpPropertyFlags flags;
+	GValue         *value;
+} EmpathyTpChatProperty;
+
 GType          empathy_tp_chat_get_type             (void) G_GNUC_CONST;
 EmpathyTpChat *empathy_tp_chat_new                  (TpChannel          *channel);
 void           empathy_tp_chat_close                (EmpathyTpChat      *chat);
@@ -67,6 +74,10 @@ void           empathy_tp_chat_set_state            (EmpathyTpChat      *chat,
 void           empathy_tp_chat_set_property         (EmpathyTpChat      *chat,
 						     const gchar        *name,
 						     const GValue       *value);
+EmpathyTpChatProperty *
+	       empathy_tp_chat_get_property         (EmpathyTpChat      *chat,
+						     const gchar        *name);
+GPtrArray *    empathy_tp_chat_get_properties       (EmpathyTpChat      *chat);
 
 /* Returns a read-only list of pending messages (should be a copy maybe ?) */
 const GList *  empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat);