Restore @rlanvin's changes that were lost during merge

Fixes #596

docs/CHANGES.md

@@ -13,7 +13,7 @@
 - #573 xgettext build error: `'javascript' unknown` [jcbrand]
 - #587 Fix issue when logging out with `auto_logout=true` [davec82]
 - #589 Save scroll position on minimize and restore it on maximize [rlanvin]
-- #592 Add random resource for auto_login, add method generateResource to generate random resource [davec82]
+- #592 Add random resource for `auto_login`, add method generateResource to generate random resource [davec82]
 
 ## 0.10.1 (2016-02-06)
 

src/converse-core.js

@@ -1739,6 +1739,7 @@
                      */
                     chatboxviews.trimChats(this);
                     converse.refreshWebkit();
+                    this.$content.scrollTop(this.model.get('scroll'));
                     this.setChatState(ACTIVE).focus();
                     converse.emit('chatBoxMaximized', this);
                 }.bind(this));
@@ -1746,6 +1747,8 @@
 
             minimize: function (ev) {
                 if (ev && ev.preventDefault) { ev.preventDefault(); }
+                // save the scroll position to restore it on maximize
+                this.model.save({'scroll': this.$content.scrollTop()});
                 // Minimizes a chat box
                 this.setChatState(INACTIVE).model.minimize();
                 this.$el.hide('fast', converse.refreshwebkit);
@@ -1834,7 +1837,7 @@
                 return this;
             },
 
-            show: _.debounce(function (callback) {
+            show: _.debounce(function (focus) {
                 if (this.$el.is(':visible') && this.$el.css('opacity') === "1") {
                     if (focus) { this.focus(); }
                     return this;