express: Add function(s) to find a user in a channel

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/bin/channel.c

@@ -1058,3 +1058,14 @@ _channel_tabspacer_destroy(Channel *chl)
         edje_object_message_signal_process(chl->o_bg);
      }
 }
+
+Eina_Bool 
+_channel_user_find(Channel *chl, const char *user)
+{
+   if ((!chl) || (!user)) return EINA_FALSE;
+
+   if (eina_list_data_find(chl->userlist.users, user) == user)
+     return EINA_TRUE;
+
+   return EINA_FALSE;
+}

src/bin/channel.h

@@ -62,4 +62,6 @@ void _channel_tabbar_update(Channel *chl);
 void _channel_tabspacer_create(Channel *chl, double v1, double v2);
 void _channel_tabspacer_destroy(Channel *chl);
 
+Eina_Bool _channel_user_find(Channel *chl, const char *user);
+
 #endif

src/bin/window.c

@@ -486,6 +486,18 @@ _window_channel_server_find(const char *server)
    return NULL;
 }
 
+Channel *
+_window_channel_user_find(const char *user)
+{
+   Eina_List *l;
+   Channel *chl;
+
+   EINA_LIST_FOREACH(_win->channels, l, chl)
+     if (_channel_user_find(chl, user)) return chl;
+
+   return NULL;
+}
+
 void 
 _window_update(void)
 {

src/bin/window.h

@@ -10,6 +10,7 @@ Channel *_window_channel_create(const char *name, const char *server);
 void _window_channel_destroy(const char *name);
 Channel *_window_channel_find(const char *name);
 Channel *_window_channel_server_find(const char *server);
+Channel *_window_channel_user_find(const char *user);
 
 void _window_channel_swallow(Channel *chl);
 void _window_channel_unswallow(Channel *chl);