Added scroll in chat

bzr revid: nicolas.vanhoren@openerp.com-20121130150313-rrh17i2yo2tbvilu

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

@@ -228,7 +228,8 @@ openerp.web_im = function(instance) {
             date = instance.web.str_to_datetime(date);
             date = date.toString(Date.CultureInfo.formatPatterns.shortDate + " " + Date.CultureInfo.formatPatterns.shortTime);
             var bubble = QWeb.render("Conversation.bubble", {"items": items, "name": name, "time": date});
-            this.$(".oe_im_chatview_content").append($(bubble));
+            $(this.$(".oe_im_chatview_content").children()[0]).append($(bubble));
+            this.$(".oe_im_chatview_content").scrollTop($(this.$(".oe_im_chatview_content").children()[0]).height());
         },
         destroy: function() {
             this.trigger("destroyed");

addons/web_im/static/src/xml/im.xml

@@ -35,7 +35,9 @@
             <div class="oe_im_chatview_disconnected">
                 <t t-esc='_.str.sprintf(_t("%s is offline. He/She will receive your messages on his/her next connection."), widget.user_rec.name)'/>
             </div>
-            <div class="oe_im_chatview_content"></div>
+            <div class="oe_im_chatview_content">
+                <div></div>
+            </div>
             <div class="oe_im_chatview_footer">
                 <input class="oe_im_chatview_input" placeholder="Say something..." />
             </div>