Added small effect on conversations

bzr revid: nicolas.vanhoren@openerp.com-20121203145009-osxforhc5om0zaeu

addons/web_im/static/src/css/im.css

@@ -92,6 +92,7 @@
 
 .openerp .oe_im_chatview {
     position: fixed;
+    overflow: hidden;
     bottom: 6px;
     margin-right: 6px;
     background: rgba(0, 0, 0, 0.6);

addons/web_im/static/src/js/im.js

@@ -269,6 +269,7 @@ openerp.web_im = function(instance) {
         events: {
             "keydown input": "send_message",
             "click .oe_im_chatview_close": "destroy",
+            "click .oe_im_chatview_header": "show_hide",
         },
         init: function(parent, user, me) {
             this._super(parent);
@@ -276,11 +277,25 @@ openerp.web_im = function(instance) {
             this.user = user;
             this.user.add_watcher();
             this.set("right_position", 0);
+            this.shown = true;
         },
         start: function() {
             this.on("change:right_position", this, this.calc_pos);
+            this.full_height = this.$el.height();
             this.calc_pos();
         },
+        show_hide: function() {
+            if (this.shown) {
+                this.$el.animate({
+                    height: this.$(".oe_im_chatview_header").outerHeight(),
+                });
+            } else {
+                this.$el.animate({
+                    height: this.full_height,
+                });
+            }
+            this.shown = ! this.shown;
+        },
         calc_pos: function() {
             this.$el.css("right", this.get("right_position"));
         },