diff --git a/addons/base/static/src/js/chrome.js b/addons/base/static/src/js/chrome.js
index 1a080a77f9b..63fd722b298 100644
--- a/addons/base/static/src/js/chrome.js
+++ b/addons/base/static/src/js/chrome.js
@@ -162,8 +162,8 @@ openerp.base.generate_null_object_class = function(claz, add) {
 };
 
 openerp.base.Notification =  openerp.base.BasicController.extend({
-    init: function(element_id) {
-        this._super(element_id);
+    init: function(parent, element_id) {
+        this._super(parent, element_id);
         this.$element.notify({
             speed: 500,
             expires: 1500
@@ -183,6 +183,7 @@ openerp.base.Notification =  openerp.base.BasicController.extend({
     }
 });
 
+// Session should be a Class not Controller
 openerp.base.Session = openerp.base.BasicController.extend( /** @lends openerp.base.Session# */{
     /**
      * @constructs
@@ -191,7 +192,7 @@ openerp.base.Session = openerp.base.BasicController.extend( /** @lends openerp.b
      * @param server
      * @param port
      */
-    init: function(element_id, server, port) {
+    init: function(parent, element_id, server, port) {
         this._super(element_id);
         this.server = (server == undefined) ? location.hostname : server;
         this.port = (port == undefined) ? location.port : port;
@@ -449,21 +450,10 @@ openerp.base.Controller = openerp.base.BasicController.extend( /** @lends opener
      * @constructs
      * @extends openerp.base.BasicController
      */
-    init: function(parent_or_session, element_id) {
-        this._super(element_id);
-        this.controller_parent = null;
-        this.controller_children = [];
-        if(parent_or_session) {
-            if(parent_or_session.session) {
-                this.parent = parent_or_session;
-                this.session = this.parent.session;
-                if(this.parent.children) {
-                    this.parent.children.push(this);
-                }
-            } else {
-                // TODO remove Backward compatilbility
-                this.session = parent_or_session;
-            }
+    init: function(parent, element_id) {
+        this._super(parent, element_id);
+        if(this.parent && this.parent.session) {
+            this.session = this.parent.session;
         }
     },
     /**
@@ -476,7 +466,6 @@ openerp.base.Controller = openerp.base.BasicController.extend( /** @lends opener
      * @returns {jQuery.Deferred} deferred object for the RPC call
      */
     rpc: function(url, data, success, error) {
-        // TODO: support additional arguments ?
         return this.session.rpc(url, data, success, error);
     }
 });
@@ -510,11 +499,8 @@ openerp.base.BaseWidget = openerp.base.Controller.extend({
      * @constructs
      * @params {openerp.base.search.BaseWidget} parent The parent widget.
      */
-    init: function (parent, session) {
-        this._super(session);
-        this.children = [];
-        this.parent = null;
-        this.set_parent(parent);
+    init: function (parent) {
+        this._super(parent);
         this.make_id(this.identifier_prefix);
     },
     /**
@@ -553,21 +539,6 @@ openerp.base.BaseWidget = openerp.base.Controller.extend({
         this.set_parent(null);
         this._super();
     },
-    /**
-     * Set the parent of this component, also un-register the previous parent
-     * if there was one.
-     * 
-     * @param {openerp.base.BaseWidget} parent The new parent.
-     */
-    set_parent: function(parent) {
-        if(this.parent) {
-            this.parent.children = _.without(this.parent.children, this);
-        }
-        this.parent = parent;
-        if(this.parent) {
-            parent.children.push(this);
-        }
-    },
     /**
      * Render the widget. This.template must be defined.
      * The content of the current object is passed as context to the template.
@@ -582,8 +553,8 @@ openerp.base.BaseWidget = openerp.base.Controller.extend({
 openerp.base.Dialog = openerp.base.BaseWidget.extend({
     dialog_title: "",
     identifier_prefix: 'dialog',
-    init: function (session, options) {
-        this._super(null, session);
+    init: function (parent, options) {
+        this._super(parent);
         this.options = {
             modal: true,
             width: 'auto',
@@ -667,8 +638,8 @@ openerp.base.Dialog = openerp.base.BaseWidget.extend({
 
 openerp.base.CrashManager = openerp.base.Dialog.extend({
     identifier_prefix: 'dialog_crash',
-    init: function(session) {
-        this._super(session);
+    init: function(parent) {
+        this._super(parent);
         this.session.on_rpc_error.add(this.on_rpc_error);
     },
     on_button_Ok: function() {
@@ -702,11 +673,8 @@ openerp.base.CrashManager = openerp.base.Dialog.extend({
 });
 
 openerp.base.Loading =  openerp.base.Controller.extend({
-    controller_manifest: {
-        register: ["Loading"]
-    },
-    init: function(session, element_id) {
-        this._super(session, element_id);
+    init: function(parent, element_id) {
+        this._super(parent, element_id);
         this.count = 0;
         this.session.on_rpc_request.add_first(this.on_rpc_event, 1);
         this.session.on_rpc_response.add_last(this.on_rpc_event, -1);
@@ -728,8 +696,8 @@ openerp.base.Database = openerp.base.Controller.extend({
 
 openerp.base.Login =  openerp.base.Controller.extend({
     remember_creditentials: true,
-    init: function(session, element_id) {
-        this._super(session, element_id);
+    init: function(parent, element_id) {
+        this._super(parent, element_id);
         this.has_local_storage = typeof(localStorage) != 'undefined';
         this.selected_db = null;
         this.selected_login = null;
@@ -805,8 +773,8 @@ openerp.base.Login =  openerp.base.Controller.extend({
 });
 
 openerp.base.Header =  openerp.base.Controller.extend({
-    init: function(session, element_id) {
-        this._super(session, element_id);
+    init: function(parent, element_id) {
+        this._super(parent, element_id);
     },
     start: function() {
         this.do_update();
@@ -819,8 +787,8 @@ openerp.base.Header =  openerp.base.Controller.extend({
 });
 
 openerp.base.Menu =  openerp.base.Controller.extend({
-    init: function(session, element_id, secondary_menu_id) {
-        this._super(session, element_id);
+    init: function(parent, element_id, secondary_menu_id) {
+        this._super(parent, element_id);
         this.secondary_menu_id = secondary_menu_id;
         this.$secondary_menu = $("#" + secondary_menu_id);
         this.menu = false;
@@ -910,34 +878,32 @@ openerp.base.ImportExport = openerp.base.Controller.extend({
 
 openerp.base.WebClient = openerp.base.Controller.extend({
     init: function(element_id) {
-        var self = this;
         this._super(null, element_id);
 
         QWeb.add_template("xml/base.xml");
         var params = {};
-        if(jQuery.param != undefined &&
-                jQuery.deparam(jQuery.param.querystring()).kitten != undefined) {
+        if(jQuery.param != undefined && jQuery.deparam(jQuery.param.querystring()).kitten != undefined) {
             this.$element.addClass("kitten-mode-activated");
         }
         this.$element.html(QWeb.render("Interface", params));
 
-        this.session = new openerp.base.Session("oe_errors");
-        this.loading = new openerp.base.Loading(this.session, "oe_loading");
-        this.crashmanager =  new openerp.base.CrashManager(this.session);
+        this.session = new openerp.base.Session(this,"oe_errors");
+        this.loading = new openerp.base.Loading(this,"oe_loading");
+        this.crashmanager =  new openerp.base.CrashManager(this);
         this.crashmanager.start(false);
 
         // Do you autorize this ?
-        openerp.base.Controller.prototype.notification = new openerp.base.Notification("oe_notification");
+        openerp.base.Controller.prototype.notification = new openerp.base.Notification(this, "oe_notification");
 
-        this.header = new openerp.base.Header(this.session, "oe_header");
-        this.login = new openerp.base.Login(this.session, "oe_login");
+        this.header = new openerp.base.Header(this, "oe_header");
+        this.login = new openerp.base.Login(this, "oe_login");
         this.header.on_logout.add(this.login.on_logout);
 
         this.session.on_session_invalid.add(this.login.do_ask_login);
         this.session.on_session_valid.add_last(this.header.do_update);
         this.session.on_session_valid.add_last(this.on_logged);
 
-        this.menu = new openerp.base.Menu(this.session, "oe_menu", "oe_secondary_menu");
+        this.menu = new openerp.base.Menu(this, "oe_menu", "oe_secondary_menu");
         this.menu.on_action.add(this.on_menu_action);
     },
     start: function() {
@@ -948,9 +914,9 @@ openerp.base.WebClient = openerp.base.Controller.extend({
         this.notification.notify("OpenERP Client", "The openerp client has been initialized.");
     },
     on_logged: function() {
-        this.action_manager =  new openerp.base.ActionManager(this.session, "oe_app");
+        this.action_manager =  new openerp.base.ActionManager(this, "oe_app");
         this.action_manager.start();
-        
+
         // if using saved actions, load the action and give it to action manager
         var parameters = jQuery.deparam(jQuery.param.querystring());
         if(parameters["s_action"] != undefined) {
diff --git a/addons/base/static/src/js/controller.js b/addons/base/static/src/js/controller.js
index aca7c5fe004..a5c7bca4b53 100644
--- a/addons/base/static/src/js/controller.js
+++ b/addons/base/static/src/js/controller.js
@@ -130,12 +130,19 @@ instance.base.BasicController = instance.base.Class.extend( /** @lends instance.
      *
      *  @constructs
      */
-    init: function(element_id) {
+    init: function(parent, element_id) {
         this.element_id = element_id;
         this.$element = $('#' + element_id);
         if (element_id) {
             instance.screen[element_id] = this;
         }
+        // save the parent children relationship
+        this.controller_parent = null;
+        this.controller_children = [];
+        this.parent = parent;
+        if(this.parent &&  this.parent.children) {
+            this.parent.children.push(this);
+        }
 
         // Transform on_* method into openerp.base.callbacks
         for (var name in this) {
diff --git a/addons/base/static/src/js/data.js b/addons/base/static/src/js/data.js
index c1b64b93307..aeb9f0b096a 100644
--- a/addons/base/static/src/js/data.js
+++ b/addons/base/static/src/js/data.js
@@ -39,18 +39,16 @@ openerp.base.DataGroup =  openerp.base.Controller.extend( /** @lends openerp.bas
      * @param {Array} group_by sequence of fields by which to group
      * @param {Number} [level=0] nesting level of the group
      */
-    init: function(session, model, domain, context, group_by, level) {
+    init: function(parent, model, domain, context, group_by, level) {
+        this._super(parent, null);
         if (group_by) {
             if (group_by.length || context['group_by_no_leaf']) {
-                return new openerp.base.ContainerDataGroup(
-                        session, model, domain, context, group_by, level);
+                return new openerp.base.ContainerDataGroup( this, model, domain, context, group_by, level);
             } else {
-                return new openerp.base.GrouplessDataGroup(
-                        session, model, domain, context, level);
+                return new openerp.base.GrouplessDataGroup( this, model, domain, context, level);
             }
         }
 
-        this._super(session, null);
         this.model = model;
         this.context = context;
         this.domain = domain;
@@ -59,8 +57,7 @@ openerp.base.DataGroup =  openerp.base.Controller.extend( /** @lends openerp.bas
     },
     cls: 'DataGroup'
 });
-openerp.base.ContainerDataGroup = openerp.base.DataGroup.extend(
-    /** @lends openerp.base.ContainerDataGroup# */ {
+openerp.base.ContainerDataGroup = openerp.base.DataGroup.extend( /** @lends openerp.base.ContainerDataGroup# */ {
     /**
      *
      * @constructs
@@ -73,8 +70,8 @@ openerp.base.ContainerDataGroup = openerp.base.DataGroup.extend(
      * @param group_by
      * @param level
      */
-    init: function (session, model, domain, context, group_by, level) {
-        this._super(session, model, domain, context, null, level);
+    init: function (parent, model, domain, context, group_by, level) {
+        this._super(parent, model, domain, context, null, level);
 
         this.group_by = group_by;
     },
@@ -197,8 +194,7 @@ openerp.base.ContainerDataGroup = openerp.base.DataGroup.extend(
         });
     }
 });
-openerp.base.GrouplessDataGroup = openerp.base.DataGroup.extend(
-    /** @lends openerp.base.GrouplessDataGroup# */ {
+openerp.base.GrouplessDataGroup = openerp.base.DataGroup.extend( /** @lends openerp.base.GrouplessDataGroup# */ {
     /**
      *
      * @constructs
@@ -210,18 +206,16 @@ openerp.base.GrouplessDataGroup = openerp.base.DataGroup.extend(
      * @param context
      * @param level
      */
-    init: function (session, model, domain, context, level) {
-        this._super(session, model, domain, context, null, level);
+    init: function (parent, model, domain, context, level) {
+        this._super(parent, model, domain, context, null, level);
     },
     list: function (fields, ifGroups, ifRecords) {
         ifRecords(_.extend(
-            new openerp.base.DataSetSearch(this.session, this.model),
+            new openerp.base.DataSetSearch(this, this.model),
             {domain: this.domain, context: this.context, _sort: this.sort}));
     }
 });
-
-openerp.base.StaticDataGroup = openerp.base.GrouplessDataGroup.extend(
-    /** @lends openerp.base.StaticDataGroup# */ {
+openerp.base.StaticDataGroup = openerp.base.GrouplessDataGroup.extend( /** @lends openerp.base.StaticDataGroup# */ {
     /**
      * A specialization of groupless data groups, relying on a single static
      * dataset as its records provider.
@@ -249,8 +243,8 @@ openerp.base.DataSet =  openerp.base.Controller.extend( /** @lends openerp.base.
      * @param {openerp.base.Session} session current OpenERP session
      * @param {String} model the OpenERP model this dataset will manage
      */
-    init: function(session, model, context) {
-        this._super(session);
+    init: function(parent, model, context) {
+        this._super(parent);
         this.model = model;
         this.context = context || {};
         this.index = null;
@@ -382,10 +376,9 @@ openerp.base.DataSet =  openerp.base.Controller.extend( /** @lends openerp.base.
         return this.context;
     }
 });
-
 openerp.base.DataSetStatic =  openerp.base.DataSet.extend({
-    init: function(session, model, context, ids) {
-        this._super(session, model, context);
+    init: function(parent, model, context, ids) {
+        this._super(parent, model, context);
         // all local records
         this.ids = ids || [];
         if (this.ids.length) {
@@ -411,10 +404,9 @@ openerp.base.DataSetStatic =  openerp.base.DataSet.extend({
         this.set_ids(_.without.apply(null, [this.ids].concat(ids)));
     }
 });
-
 openerp.base.DataSetSearch =  openerp.base.DataSet.extend({
-    init: function(session, model, context, domain) {
-        this._super(session, model, context);
+    init: function(parent, model, context, domain) {
+        this._super(parent, model, context);
         this.domain = domain || [];
         this._sort = [];
         this.offset = 0;
@@ -485,7 +477,6 @@ openerp.base.DataSetSearch =  openerp.base.DataSet.extend({
         }, error_callback);
     }
 });
-
 openerp.base.BufferedDataSet = openerp.base.DataSetStatic.extend({
     virtual_id_prefix: "one2many_v_id_",
     virtual_id_regex: /one2many_v_id_.*/,
@@ -590,7 +581,6 @@ openerp.base.BufferedDataSet = openerp.base.DataSetStatic.extend({
         return completion.promise();
     }
 });
-
 openerp.base.ReadOnlyDataSetSearch = openerp.base.DataSetSearch.extend({
     create: function(data, callback, error_callback) {
         this.on_create(data);
diff --git a/addons/base/static/src/js/form.js b/addons/base/static/src/js/form.js
index 19f5e271858..4acdeb86d03 100644
--- a/addons/base/static/src/js/form.js
+++ b/addons/base/static/src/js/form.js
@@ -17,9 +17,9 @@ openerp.base.FormView =  openerp.base.View.extend( /** @lends openerp.base.FormV
      *
      * @property {openerp.base.Registry} registry=openerp.base.form.widgets widgets registry for this form view instance
      */
-    init: function(view_manager, session, element_id, dataset, view_id) {
-        this._super(session, element_id);
-        this.view_manager = view_manager || new openerp.base.NullViewManager();
+    init: function(parent, element_id, dataset, view_id) {
+        this._super(parent, element_id);
+        this.view_manager = parent || new openerp.base.NullViewManager();
         this.dataset = dataset;
         this.model = dataset.model;
         this.view_id = view_id;
@@ -403,7 +403,7 @@ openerp.base.FormView =  openerp.base.View.extend( /** @lends openerp.base.FormV
         } else {
             // TODO fme: modify this so it doesn't try to load attachments when there is not sidebar
             /*(new openerp.base.DataSetSearch(
-                    this.session, 'ir.attachment', this.dataset.get_context(),
+                    this, 'ir.attachment', this.dataset.get_context(),
                     [['res_model', '=', this.dataset.model],
                      ['res_id', '=', this.datarecord.id],
                      ['type', 'in', ['binary', 'url']]])).read_slice(
@@ -1910,7 +1910,7 @@ openerp.base.form.SelectCreatePopup = openerp.base.BaseWidget.extend({
         if (!this.options.auto_create)
             return;
         var self = this;
-        var wdataset = new openerp.base.DataSetSearch(this.session, this.model, this.context, this.domain);
+        var wdataset = new openerp.base.DataSetSearch(this, this.model, this.context, this.domain);
         wdataset.parent_view = this.options.parent_view;
         wdataset.create(data, function(r) {
             self.on_select_elements([r.result]);
@@ -2005,7 +2005,7 @@ openerp.base.form.FormOpenPopup = openerp.base.BaseWidget.extend({
         if (!this.options.auto_write)
             return;
         var self = this;
-        var wdataset = new openerp.base.DataSetSearch(this.session, this.model, this.context, this.domain);
+        var wdataset = new openerp.base.DataSetSearch(this, this.model, this.context, this.domain);
         wdataset.parent_view = this.options.parent_view;
         wdataset.write(id, data, function(r) {
             self.on_write_completed();
diff --git a/addons/base/static/src/js/list.js b/addons/base/static/src/js/list.js
index 84b605f1114..491fd885a5f 100644
--- a/addons/base/static/src/js/list.js
+++ b/addons/base/static/src/js/list.js
@@ -87,9 +87,9 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
      *
      * @borrows openerp.base.ActionExecutor#execute_action as #execute_action
      */
-    init: function(view_manager, session, element_id, dataset, view_id, options) {
-        this._super(session, element_id);
-        this.view_manager = view_manager || new openerp.base.NullViewManager();
+    init: function(parent, element_id, dataset, view_id, options) {
+        this._super(parent, element_id);
+        this.view_manager = parent || new openerp.base.NullViewManager();
         this.dataset = dataset;
         this.model = dataset.model;
         this.view_id = view_id;
@@ -100,7 +100,7 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
         this.flags =  this.view_manager.flags || {};
 
         this.set_groups(new openerp.base.ListView.Groups(this));
-        
+
         if (this.dataset instanceof openerp.base.DataSetStatic) {
             this.groups.datagroup = new openerp.base.StaticDataGroup(this.dataset);
         }
@@ -451,7 +451,7 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
         this.dataset.context = results.context;
         this.dataset.domain = results.domain;
         this.groups.datagroup = new openerp.base.DataGroup(
-            this.session, this.model,
+            this, this.model,
             results.domain, results.context,
             results.group_by);
         this.groups.datagroup.sort = this.dataset._sort;
diff --git a/addons/base/static/src/js/search.js b/addons/base/static/src/js/search.js
index f5b66774384..fcf4a175b3c 100644
--- a/addons/base/static/src/js/search.js
+++ b/addons/base/static/src/js/search.js
@@ -1,9 +1,9 @@
 openerp.base.search = function(openerp) {
 
 openerp.base.SearchView = openerp.base.Controller.extend({
-    init: function(view_manager, session, element_id, dataset, view_id, defaults) {
-        this._super(session, element_id);
-        this.view_manager = view_manager || new openerp.base.NullViewManager();
+    init: function(parent, element_id, dataset, view_id, defaults) {
+        this._super(parent, element_id);
+        this.view_manager = parent || new openerp.base.NullViewManager();
         this.dataset = dataset;
         this.model = dataset.model;
         this.view_id = view_id;
@@ -115,7 +115,7 @@ openerp.base.SearchView = openerp.base.Controller.extend({
             data.fields_view.fields);
 
         // for extended search view
-        var ext = new openerp.base.search.ExtendedSearch(null, this.session, this.model);
+        var ext = new openerp.base.search.ExtendedSearch(this, this.model);
         lines.push([ext]);
         this.inputs.push(ext);
         
@@ -124,6 +124,7 @@ openerp.base.SearchView = openerp.base.Controller.extend({
             'lines': lines,
             'defaults': this.defaults
         });
+
         // We don't understand why the following commented line does not work in Chrome but
         // the non-commented line does. As far as we investigated, only God knows.
         //this.$element.html(render);
@@ -301,8 +302,7 @@ openerp.base.search.fields = new openerp.base.Registry({
     'many2one': 'openerp.base.search.ManyToOneField',
     'many2many': 'openerp.base.search.ManyToManyField'
 });
-openerp.base.search.Invalid = openerp.base.Class.extend(
-    /** @lends openerp.base.search.Invalid# */{
+openerp.base.search.Invalid = openerp.base.Class.extend( /** @lends openerp.base.search.Invalid# */{
     /**
      * Exception thrown by search widgets when they hold invalid values,
      * which they can not return when asked.
@@ -322,8 +322,7 @@ openerp.base.search.Invalid = openerp.base.Class.extend(
                 ': [' + this.value + '] is ' + this.message);
     }
 });
-openerp.base.search.Widget = openerp.base.Controller.extend(
-    /** @lends openerp.base.search.Widget# */{
+openerp.base.search.Widget = openerp.base.Controller.extend( /** @lends openerp.base.search.Widget# */{
     template: null,
     /**
      * Root class of all search widgets
@@ -420,8 +419,7 @@ openerp.base.search.Group = openerp.base.search.Widget.extend({
     }
 });
 
-openerp.base.search.Input = openerp.base.search.Widget.extend(
-    /** @lends openerp.base.search.Input# */{
+openerp.base.search.Input = openerp.base.search.Widget.extend( /** @lends openerp.base.search.Input# */{
     /**
      * @constructs
      * @extends openerp.base.search.Widget
@@ -491,8 +489,7 @@ openerp.base.search.Filter = openerp.base.search.Input.extend({
         return this.attrs.domain;
     }
 });
-openerp.base.search.Field = openerp.base.search.Input.extend(
-    /** @lends openerp.base.search.Field# */ {
+openerp.base.search.Field = openerp.base.search.Input.extend( /** @lends openerp.base.search.Field# */ {
     template: 'SearchView.field',
     default_operator: '=',
     /**
@@ -557,8 +554,7 @@ openerp.base.search.Field = openerp.base.search.Input.extend(
  * @class
  * @extends openerp.base.search.Field
  */
-openerp.base.search.CharField = openerp.base.search.Field.extend(
-    /** @lends openerp.base.search.CharField# */ {
+openerp.base.search.CharField = openerp.base.search.Field.extend( /** @lends openerp.base.search.CharField# */ {
     default_operator: 'ilike',
     get_value: function () {
         return this.$element.val();
@@ -631,12 +627,7 @@ openerp.base.search.SelectionField = openerp.base.search.Field.extend({
         return this.$element.val();
     }
 });
-/**
- * @class
- * @extends openerp.base.search.Field
- */
-openerp.base.search.DateField = openerp.base.search.Field.extend(
-    /** @lends openerp.base.search.DateField# */{
+openerp.base.search.DateField = openerp.base.search.Field.extend( /** @lends openerp.base.search.DateField# */{
     template: 'SearchView.fields.date',
     /**
      * enables date picker on the HTML widgets
@@ -724,7 +715,7 @@ openerp.base.search.ManyToOneField = openerp.base.search.CharField.extend({
             self.$element.val(self.name);
         });
         this.dataset = new openerp.base.DataSet(
-                this.view.session, this.attrs['relation']);
+                this.view, this.attrs['relation']);
     },
     start: function () {
         this._super();
@@ -791,8 +782,8 @@ openerp.base.search.ManyToManyField = openerp.base.search.CharField.extend({
 openerp.base.search.ExtendedSearch = openerp.base.BaseWidget.extend({
     template: 'SearchView.extended_search',
     identifier_prefix: 'extended-search',
-    init: function (parent, session, model) {
-        this._super(parent, session);
+    init: function (parent, model) {
+        this._super(parent);
         this.model = model;
     },
     add_group: function() {
diff --git a/addons/base/static/src/js/views.js b/addons/base/static/src/js/views.js
index 81d55855eb8..f2359461ef4 100644
--- a/addons/base/static/src/js/views.js
+++ b/addons/base/static/src/js/views.js
@@ -35,15 +35,12 @@ openerp.base.ActionManager = openerp.base.Controller.extend({
                     action.flags.new_window = true;
                 }
                 if (action.target == 'new') {
-                    var dialog = this.current_dialog = new openerp.base.ActionDialog(this.session, {
-                        title: action.name,
-                        width: '50%'
-                    });
+                    var dialog = this.current_dialog = new openerp.base.ActionDialog(this, { title: action.name, width: '90%' });
                     if (on_closed) {
                         dialog.close_callback = on_closed;
                     }
                     dialog.start(false);
-                    var viewmanager = dialog.viewmanager = new openerp.base.ViewManagerAction(this.session, dialog.element_id, action);
+                    var viewmanager = dialog.viewmanager = new openerp.base.ViewManagerAction(this, dialog.element_id, action);
                     viewmanager.start();
                     dialog.open();
                 } else if (action.flags.new_window) {
@@ -57,7 +54,7 @@ openerp.base.ActionManager = openerp.base.Controller.extend({
                     if (this.viewmanager) {
                         this.viewmanager.stop();
                     }
-                    this.viewmanager = new openerp.base.ViewManagerAction(this.session, this.element_id, action);
+                    this.viewmanager = new openerp.base.ViewManagerAction(this, this.element_id, action);
                     this.viewmanager.start();
                 }
                 break;
@@ -85,8 +82,8 @@ openerp.base.ActionManager = openerp.base.Controller.extend({
 });
 
 openerp.base.ViewManager =  openerp.base.Controller.extend({
-    init: function(session, element_id, dataset, views) {
-        this._super(session, element_id);
+    init: function(parent, element_id, dataset, views) {
+        this._super(parent, element_id);
         this.model = dataset.model;
         this.dataset = dataset;
         this.searchview = null;
@@ -133,7 +130,7 @@ openerp.base.ViewManager =  openerp.base.Controller.extend({
         if (!view.controller) {
             // Lazy loading of views
             var controllerclass = this.registry.get_object(view_type);
-            var controller = new controllerclass( this, this.session, this.element_id + "_view_" + view_type,
+            var controller = new controllerclass( this, this.element_id + "_view_" + view_type,
                 this.dataset, view.view_id, view.options);
             if (view.embedded_view) {
                 controller.set_embedded_view(view.embedded_view);
@@ -203,7 +200,7 @@ openerp.base.ViewManager =  openerp.base.Controller.extend({
         if (this.searchview) {
             this.searchview.stop();
         }
-        this.searchview = new openerp.base.SearchView(this, this.session, this.element_id + "_search", this.dataset, view_id, search_defaults);
+        this.searchview = new openerp.base.SearchView(this, this.element_id + "_search", this.dataset, view_id, search_defaults);
         if (this.flags.search_view === false) {
             this.searchview.hide();
         }
@@ -253,18 +250,19 @@ openerp.base.NullViewManager = openerp.base.generate_null_object_class(openerp.b
 });
 
 openerp.base.ViewManagerAction = openerp.base.ViewManager.extend({
-    init: function(session, element_id, action) {
+    init: function(parent, element_id, action) {
+        this.session = parent.session;
         var dataset;
         if (!action.res_id) {
-            dataset = new openerp.base.DataSetSearch(session, action.res_model, action.context || null);
+            dataset = new openerp.base.DataSetSearch(this, action.res_model, action.context || null);
         } else {
-            dataset = new openerp.base.DataSetStatic(session, action.res_model, {}, [action.res_id]);
+            dataset = new openerp.base.DataSetStatic(this, action.res_model, {}, [action.res_id]);
             if (action.context) {
                 // TODO fme: should normalize all DataSets constructors to (session, model, context, ...)
                 dataset.context = action.context;
             }
         }
-        this._super(session, element_id, dataset, action.views);
+        this._super(parent, element_id, dataset, action.views);
         this.action = action;
         this.flags = this.action.flags || {};
         if (action.res_model == 'board.board' && action.views.length == 1 && action.views) {
@@ -402,7 +400,6 @@ openerp.base.Sidebar = openerp.base.BaseWidget.extend({
     }
 });
 
-
 openerp.base.NullSidebar = openerp.base.generate_null_object_class(openerp.base.Sidebar);
 
 openerp.base.Export = openerp.base.Dialog.extend({