1 files changed, 15 insertions, 0 deletions
diff --git a/cao-common.js b/cao-common.js
index 1b1b309..050490c 100644
--- a/cao-common.js
+++ b/cao-common.js
@@ -18,6 +18,7 @@ var CAO = function() {
     this.on_card_played = function() { /* to override */ };
     this.on_cards_collected = function() { /* to override */ };
     this.on_updated_score = function(new_score) { /* to override */ };
+    this.on_change_nbr_played_cards = function(nbr) { /* to override */ };
 
     var request_queue = [];
 
@@ -26,6 +27,8 @@ var CAO = function() {
     var self = this;
     var ws;
 
+    var nbr_played_cards = 0;
+
     var played_cards = [];
     var white_cards = {};
     var black_card;
@@ -39,6 +42,18 @@ var CAO = function() {
         return judge;
     };
 
+    this.reset_nbr_played_cards = function() {
+        nbr_played_cards = 0;
+
+        self.on_change_nbr_played_cards(nbr_played_cards);
+    };
+
+    this.incr_nbr_played_cards = function() {
+        ++nbr_played_cards;
+
+        self.on_change_nbr_played_cards(nbr_played_cards);
+    };
+
     /* map_handle_response_ok {{{ */
 
     map_handle_response_ok['join_game'] = function(result) {