* check for a valid foldername
[modest] / src / modest-ui-dimming-rules.c
index 13bc3f2..c115653 100644 (file)
 #include <config.h>
 #endif /*HAVE_CONFIG_H*/
 
+#include <string.h>
 #include "modest-ui-dimming-rules.h"
+#include "modest-dimming-rule.h"
 #include "modest-tny-folder.h"
+#include "modest-tny-account.h"
+#include "modest-text-utils.h"
+#include <widgets/modest-attachments-view.h>
 #include <modest-runtime.h>
+#include <tny-simple-list.h>
 
 
 static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
-static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique);
-static gboolean _already_opened_msg (ModestWindow *win);
-static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
+static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
+static gboolean _invalid_attach_selected (ModestWindow *win, 
+                                         gboolean unique, gboolean for_view, gboolean for_remove,
+                                         ModestDimmingRule *rule);
+static gboolean _purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule);
+static gboolean _clipboard_is_empty (ModestWindow *win);
+static gboolean _invalid_clipboard_selected (ModestWindow *win, ModestDimmingRule *rule);
+static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
+static gboolean _selected_msg_marked_as (ModestMainWindow *win, TnyHeaderFlags mask, gboolean opposite, gboolean all);
 static gboolean _selected_folder_not_writeable (ModestMainWindow *win);
-static gboolean _selected_folder_is_any_of_type (ModestMainWindow *win, TnyFolderType types[], guint ntypes);
+static gboolean _selected_folder_is_snd_level (ModestMainWindow *win);
+static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
+static gboolean _selected_folder_is_root_or_inbox (ModestMainWindow *win);
+static gboolean _selected_folder_is_MMC_or_POP_root (ModestMainWindow *win);
 static gboolean _selected_folder_is_root (ModestMainWindow *win);
+static gboolean _selected_folder_is_empty (ModestMainWindow *win);
+static gboolean _selected_folder_is_same_as_source (ModestWindow *win);
 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
+static gboolean _msg_download_completed (ModestMainWindow *win);
+static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
+static gboolean _sending_in_progress (ModestWindow *win);
+static gboolean _message_is_marked_as_deleted (ModestMsgViewWindow *win);
+static gboolean _selected_message_is_marked_as_deleted (ModestMainWindow *win);
+static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
+static gboolean _transfer_mode_enabled (ModestWindow *win);
 
 
 gboolean 
 modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
                
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+       if (!dimmed) {
+               if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                       dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_csm_new_folder (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
+       /* Check common new folder menu item dimming rules */   
+       dimmed = modest_ui_dimming_rules_on_new_folder (win, user_data);
+       
+       /* Check CSM specific dimming rules */
+       if (!dimmed) {
+               dimmed = _selected_folder_is_snd_level (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
+       }
+       
        return dimmed;
 }
 
 gboolean 
 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *parent_folder = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Get selected folder as parent of new folder to create */
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!parent_folder)
+               return TRUE;
+       
+       if (TNY_IS_ACCOUNT (parent_folder)) {
+               /* If it's the local account then do not dim */
+               if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
+                       dimmed = FALSE;
+               } else {
+                       const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
+                       /* If it's POP then dim */
+                       dimmed = (modest_protocol_info_get_transport_store_protocol (proto_str) == 
+                                 MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
+               }
+       } else {
+               /* TODO: the specs say that only one level of subfolder is allowed, is this true ? */
+               
+               TnyFolderType types[3];
+                               
+               types[0] = TNY_FOLDER_TYPE_DRAFTS; 
+               types[1] = TNY_FOLDER_TYPE_OUTBOX;
+               types[2] = TNY_FOLDER_TYPE_SENT;
+
+               /* Apply folder rules */        
+               if (!dimmed) {
+                       dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
+               }
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_any_of_type (win, types, 3);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_create_error"));
+               }
+       }
+       g_object_unref (parent_folder);
+
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_delete (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       GtkWidget *folder_view = NULL;
+       GtkWidget *header_view = NULL;  
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+       
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               /* Get the folder view */
+               folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                                  MODEST_WIDGET_TYPE_FOLDER_VIEW);
+               
+               /* Get header view */
+               header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_HEADER_VIEW);
+
+               if (header_view && gtk_widget_is_focus (header_view)) 
+                       dimmed = modest_ui_dimming_rules_on_delete_msg (win, rule);
+
+               if (folder_view && gtk_widget_is_focus (folder_view)) 
+                       dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
+
+               if (header_view && folder_view &&
+                   !gtk_widget_is_focus (header_view) &&
+                   !gtk_widget_is_focus (folder_view)) {
+                       dimmed = TRUE;
+                       modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_nothing_to_delete"));                    
+               }
+       } else {
+               dimmed = modest_ui_dimming_rules_on_delete_folder (win, rule);
+       }
+
+       return dimmed;
+}
+
+
+
+gboolean 
+modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       TnyFolderType types[6];
        gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       types[0] = TNY_FOLDER_TYPE_DRAFTS; 
+       types[1] = TNY_FOLDER_TYPE_OUTBOX;
+       types[2] = TNY_FOLDER_TYPE_SENT;
+       types[3] = TNY_FOLDER_TYPE_INBOX;
+       types[4] = TNY_FOLDER_TYPE_ROOT;
+       types[5] = TNY_FOLDER_TYPE_ARCHIVE;
+
                
        /* Check dimmed rule */ 
-       if (!dimmed)
+       if (!dimmed) {
                dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_any_of_type (win, types, 6);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_in_ui_folder_delete_error"));
+       }
+
+       return dimmed;
+}
+
+gboolean
+modest_ui_dimming_rules_on_sort (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+               
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
+               modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
+       }
+
+       if (!dimmed) {
+               dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));
+               modest_dimming_rule_set_notification (rule, _CS("ckdg_ib_nothing_to_sort"));
+       }
 
        return dimmed;
+       
 }
 
 gboolean 
 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
+       TnyFolderType types[4];
        gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
-               
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       types[0] = TNY_FOLDER_TYPE_DRAFTS; 
+       types[1] = TNY_FOLDER_TYPE_OUTBOX;
+       types[2] = TNY_FOLDER_TYPE_SENT;
+       types[3] = TNY_FOLDER_TYPE_ARCHIVE;
+       
        /* Check dimmed rule */ 
-       if (!dimmed)
+       if (!dimmed) {
                dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
-       if (!dimmed)
-               dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_root_or_inbox (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_any_of_type (win, types, 4);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -93,13 +320,27 @@ modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
                
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE);
+       if (!dimmed) {
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
+       }
+       if (!dimmed) {
+               dimmed = _selected_message_is_marked_as_deleted (MODEST_MAIN_WINDOW (win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_msg_sent_in_progress (win);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_open_while_sent"));
+       }
 
        return dimmed;
 }
@@ -107,9 +348,13 @@ modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
        TnyFolderType types[3];
 
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
        /* main window dimming rules */
        if (MODEST_IS_MAIN_WINDOW(win)) {
                
@@ -118,18 +363,34 @@ modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
                types[2] = TNY_FOLDER_TYPE_ROOT;
                
                /* Check dimmed rule */ 
-               if (!dimmed)
-                       dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 3);
-               
-               if (!dimmed)
-                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
-
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_any_of_type (win, types, 3);                       
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
+               }
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
+               }
+               if (!dimmed) {
+                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
+               }
        /* msg view window dimming rules */
        } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
                
                /* Check dimmed rule */ 
-               if (!dimmed)
-                       dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+               if (!dimmed) {
+                       dimmed = _transfer_mode_enabled (win);                  
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+               }
+               if (!dimmed) {
+                       if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                               dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
+               }
        }
        
        return dimmed;
@@ -139,12 +400,22 @@ modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
                
        /* Check dimmed rule */ 
-       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+       if (!dimmed) {
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
+       }
+       if (!dimmed) {
+               dimmed = _msg_download_completed (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -166,76 +437,183 @@ modest_ui_dimming_rules_always_dimmed (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
+       guint n_messages = 0;
        gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
        
-       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
-       
-       /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
-       if (!dimmed)
-               dimmed = _already_opened_msg (win);
-       
+       /* Check dimmed rule */         
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _CS("ckct_ib_nothing_to_delete"));
+               }
+               if (!dimmed) {
+                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
+               }
+               if (!dimmed) {
+                       dimmed = _already_opened_msg (win, &n_messages);
+                       if (dimmed) {
+                               gchar *num = g_strdup_printf ("%d", n_messages);
+                               gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), num);
+/*                             modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages")); */
+                               modest_dimming_rule_set_notification (rule, message);
+                               g_free(message);
+                               g_free(num);
+                       }
+               }
+               if (!dimmed) {
+                       dimmed = _selected_message_is_marked_as_deleted (MODEST_MAIN_WINDOW (win));
+                       if (dimmed) {
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
+                       }
+               }
+               if (!dimmed) {
+                       dimmed = _selected_msg_sent_in_progress (win);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
+               }
+       } 
+       else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               if (!dimmed) {
+                       dimmed = _transfer_mode_enabled (win);                  
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+               }
+               if (!dimmed) {
+                       dimmed = _message_is_marked_as_deleted (MODEST_MSG_VIEW_WINDOW (win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_message_already_deleted"));
+               }
+               
+               /* Commented out, because deletion should be possible even when 
+                * the message window has no header view model, which will be the 
+                * case when it is not the selected message in the header view.
+                */
+               
+               if (!dimmed) {
+                       dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
+                       if (dimmed) {
+                               modest_dimming_rule_set_notification (rule, _CS("ckct_ib_unable_to_delete"));
+                       }
+               }
+       }
+
        return dimmed;
 }
 
 gboolean 
-modest_ui_dimming_rules_on_details_msg (ModestWindow *win, gpointer user_data)
+modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
+       GtkWidget *header_view = NULL;
        gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
        
        /* main window dimming rules */
        if (MODEST_IS_MAIN_WINDOW(win)) {
+                               
+               /* Check dimmed rule */
+               header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
+                                                                  MODEST_WIDGET_TYPE_HEADER_VIEW);
                
-               /* Check dimmed rule */ 
-               if (!dimmed)
-                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE);
+               /* If the header view has the focus: */
+               if (header_view && gtk_widget_is_focus (header_view)) {
+                       /* Check dimmed rule */ 
+                       if (!dimmed)
+                               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
+               }
+               else {
+                       /* If the folder view has the focus: */
+                       GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
+                               MODEST_WIDGET_TYPE_FOLDER_VIEW);
+                       if (folder_view && gtk_widget_is_focus (folder_view)) {
+                               TnyFolderStore *folder_store
+                                       = modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view));
+                               if (folder_store) {
+                                       /* Only enable for folders, not accounts,
+                                        * though the UI spec is not clear about that.
+                                        * If we enable this for accounts then we must 
+                                        * add code to handle them in modest_ui_actions_on_details(). */
+                                       if (!TNY_IS_FOLDER(folder_store)) {
+                                               dimmed = TRUE;
+                                               modest_dimming_rule_set_notification (rule, "");
+                                       }
+
+                                       g_object_unref (folder_store);
+                               }
+                       }
+
+               }
 
        /* msg view window dimming rules */
        } else {
 
                /* Check dimmed rule */ 
-               if (!dimmed)
-                       dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+               if (!dimmed) {
+                       if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                               dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW (win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
        }
 
        return dimmed;
 }
 
+
 gboolean 
 modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_data)
 {
-       gboolean dimmed = FALSE;
+       ModestDimmingRule *rule = NULL;
        TnyHeaderFlags flags;
+       gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
        
        flags = TNY_HEADER_FLAG_SEEN; 
 
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
-       if (!dimmed) 
-               dimmed = _selected_msg_marked_as (win, flags, FALSE);
-       
+       if (!dimmed) {
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
+       }
+       if (!dimmed) {
+               dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), flags, FALSE, TRUE);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }       
+
        return dimmed;
 }
 
 gboolean 
 modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_data)
 {
-       gboolean dimmed = FALSE;
+       ModestDimmingRule *rule = NULL;
        TnyHeaderFlags flags;
+       gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
        
        flags = TNY_HEADER_FLAG_SEEN; 
 
        /* Check dimmed rule */ 
        if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
-       if (!dimmed) 
-               dimmed = _selected_msg_marked_as (win, flags, TRUE);
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
+       if (!dimmed) {
+               dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), flags, TRUE, TRUE);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -243,12 +621,16 @@ modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_
 gboolean 
 modest_ui_dimming_rules_on_move_to (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
        if (MODEST_IS_MAIN_WINDOW (win)) 
                dimmed = modest_ui_dimming_rules_on_main_window_move_to (win, user_data);
-       else 
-               dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
+       else if (MODEST_IS_MSG_VIEW_WINDOW (win)) 
+                dimmed = modest_ui_dimming_rules_on_view_window_move_to (win, user_data);
 
        return dimmed;
 }
@@ -259,9 +641,13 @@ modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user
 {
        GtkWidget *folder_view = NULL;
        GtkWidget *header_view = NULL;
+       ModestDimmingRule *rule = NULL;
+       guint n_messages = 0;
        gboolean dimmed = FALSE;
        
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
        
        /* Get the folder view */
        folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
@@ -270,158 +656,764 @@ modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user
        /* Get header view */
        header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
                                                           MODEST_WIDGET_TYPE_HEADER_VIEW);
-
-       /* Check common diming rules */
-
-       /* Check diming rules for folder transfer  */
+       
+       /* Check diming rules for folders transfer  */
        if (gtk_widget_is_focus (folder_view)) {
-               if (!dimmed) 
-                       dimmed = _selected_folder_not_writeable(MODEST_MAIN_WINDOW(win));
+               TnyFolderType types[5];
+               
+               types[0] = TNY_FOLDER_TYPE_DRAFTS; 
+               types[1] = TNY_FOLDER_TYPE_OUTBOX;
+               types[2] = TNY_FOLDER_TYPE_SENT;
+               types[3] = TNY_FOLDER_TYPE_ROOT; 
+               types[4] = TNY_FOLDER_TYPE_INBOX; 
+               
+               /* Apply folder rules */        
+               if (!dimmed) {
+                       dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_items"));
+               }
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_any_of_type (win, types, 5);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("emev_bd_unabletomove_itemsr"));
+               }
+       }
+       
+       /* Check diming rules for messages transfer  */
+       if (!dimmed) {
+               dimmed = _already_opened_msg (win, &n_messages);
+               if (dimmed) {
+                       gchar *message = g_strdup_printf(_("emev_bd_unabletomove_items"), n_messages);
+                       modest_dimming_rule_set_notification (rule, message);
+                       g_free(message);
+               }
        }
-       /* Check diming rules for msg transfer  */
-       else if (gtk_widget_is_focus (header_view)) {
-               if (!dimmed)
-                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+       if (!dimmed) {
+               if (!gtk_widget_is_focus (folder_view))
+                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
                
        }
-
+       
        return dimmed;
 }
 
 gboolean 
 modest_ui_dimming_rules_on_view_window_move_to (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _transfer_mode_enabled (win);                  
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+       }
+       if (!dimmed) {
+               if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                       dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW (win));
+               if (dimmed) 
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_move_mail_attachment"));
+       }
+
        return dimmed;
 }
 
 gboolean 
-modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
+modest_ui_dimming_rules_on_find_msg (ModestWindow *win, gpointer user_data)
 {
-       TnyFolderType types[3];
+       ModestDimmingRule *rule = NULL;
        gboolean dimmed = FALSE;
 
-       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
-       types[0] = TNY_FOLDER_TYPE_DRAFTS; 
-       types[1] = TNY_FOLDER_TYPE_OUTBOX;
-       types[2] = TNY_FOLDER_TYPE_SENT;
-       
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 3);
+       if (!dimmed) {
+               dimmed = _transfer_mode_enabled (win);                  
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+       }
 
        return dimmed;
 }
 
 gboolean 
-modest_ui_dimming_rules_on_delete_msgs (ModestWindow *win, gpointer user_data)
+modest_ui_dimming_rules_on_paste_msgs (ModestWindow *win, gpointer user_data)
 {
-       TnyFolderType types[5];
+       ModestDimmingRule *rule = NULL;
+       TnyFolderType types[3];
        gboolean dimmed = FALSE;
-
+       
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
        types[0] = TNY_FOLDER_TYPE_DRAFTS; 
        types[1] = TNY_FOLDER_TYPE_OUTBOX;
        types[2] = TNY_FOLDER_TYPE_SENT;
-       types[3] = TNY_FOLDER_TYPE_INBOX;
-       types[4] = TNY_FOLDER_TYPE_ROOT;
        
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 5);
+       if (!dimmed) {
+               dimmed = _clipboard_is_empty (win);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ecoc_ib_edwin_nothing_to_paste"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_any_of_type (win, types, 3);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+               if (dimmed) {
+                       modest_dimming_rule_set_notification (rule, dgettext("hildon-common-strings", "ckct_ib_unable_to_paste_here"));
+               }
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_same_as_source (win);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_copy_samefolder"));
+       }
 
        return dimmed;
 }
 
 
-/* *********************** static utility functions ******************** */
-
-static gboolean
-_selected_folder_not_writeable (ModestMainWindow *win)
+gboolean 
+modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 {
-       GtkWidget *folder_view = NULL;
-       TnyFolderStore *parent_folder = NULL;
-       ModestTnyFolderRules rules;
-       gboolean result = FALSE;
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
-       /* Get folder view */
-       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
-                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
-       /* If no folder view, always dimmed */
-       if (!folder_view)
-               return TRUE;
-       
-       /* Get selected folder as parent of new folder to create */
-       parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
-       if (!(parent_folder || TNY_IS_FOLDER(parent_folder)))
-               return TRUE;
-       
        /* Check dimmed rule */ 
-       rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
-       result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
-
-       /* free */
-       g_object_unref (parent_folder);
-
-       return result;
+       if (!dimmed) {
+               dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+               
+       return dimmed;
 }
 
-static gboolean
-_selected_folder_is_root (ModestMainWindow *win)
+gboolean 
+modest_ui_dimming_rules_on_view_attachments (ModestWindow *win, gpointer user_data)
 {
-       TnyFolderType types[2];
-       gboolean result = FALSE;
-
-       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
 
-       types[0] = TNY_FOLDER_TYPE_ROOT; 
-       types[1] = TNY_FOLDER_TYPE_INBOX; 
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
-       /* Check folder type */
-       result = _selected_folder_is_any_of_type (win, types, 2);
+       /* Check dimmed rule */ 
+       if (!dimmed) 
+               dimmed = _invalid_attach_selected (win, TRUE, TRUE, FALSE, rule);                       
 
-       return result;
+       if (!dimmed) {
+               dimmed = _purged_attach_selected (win, FALSE, NULL);
+               if (dimmed) {
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
+               }
+       }
+               
+       return dimmed;
 }
 
-static gboolean
-_selected_folder_is_any_of_type (ModestMainWindow *win,
-                                TnyFolderType types[], 
-                                guint ntypes)
+gboolean 
+modest_ui_dimming_rules_on_save_attachments (ModestWindow *win, gpointer user_data)
 {
-       GtkWidget *folder_view = NULL;
-       TnyFolderStore *folder = NULL;
-       gboolean result = FALSE;
-
-       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
 
-       /* Get folder view */
-       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
-                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
-       /* If no folder view, always dimmed */
-       if (!folder_view)
-               return TRUE;
-       
-       /* Get selected folder as parent of new folder to create */
-       folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
-       if (!(folder || TNY_IS_FOLDER(folder)))
-               return TRUE;
-       
-       /* Check folder type */
-       result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
 
-       /* free */
-       g_object_unref (folder);
+       /* Check dimmed rule */ 
+       if (!dimmed) 
+               dimmed = _invalid_attach_selected (win, FALSE, FALSE, FALSE, rule);
 
-       return result;  
+       if (!dimmed) {
+               dimmed = _purged_attach_selected (win, FALSE, NULL);
+               if (dimmed) {
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
+               }
+       }
+               
+       return dimmed;
 }
 
-static gboolean
-_folder_is_any_of_type (TnyFolder *folder,
+gboolean 
+modest_ui_dimming_rules_on_remove_attachments (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check in main window if there's only one message selected */
+       if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW (win), TRUE, rule);
+       }
+
+       /* Check in view window if there's any attachment selected */
+       if (!dimmed && MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               dimmed = _invalid_attach_selected (win, FALSE, FALSE, TRUE, NULL);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
+       }
+
+       /* cannot purge in editable drafts nor pop folders */
+       if (!dimmed) {
+               dimmed = _invalid_folder_for_purge (win, rule);
+       }
+
+       /* Check if the selected message in main window has attachments */
+       if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
+               dimmed = _selected_msg_marked_as (MODEST_MAIN_WINDOW(win), TNY_HEADER_FLAG_ATTACHMENTS, TRUE, FALSE);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
+       }
+
+       /* Check if all attachments are already purged */
+       if (!dimmed) {
+               dimmed = _purged_attach_selected (win, TRUE, rule);
+       }
+
+       /* Check if the message is already downloaded */
+       if (!dimmed && MODEST_IS_MAIN_WINDOW (win)) {
+               dimmed = !_msg_download_completed (MODEST_MAIN_WINDOW (win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_attach_not_local"));
+       }
+
+
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_undo (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _clipboard_is_empty (win); 
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+                               
+       return dimmed;  
+}
+
+gboolean 
+modest_ui_dimming_rules_on_cut (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check common dimming rules */
+       if (!dimmed) {
+               dimmed = _invalid_clipboard_selected (win, rule);
+       }
+
+       /* Check window specific dimming rules */
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               if (!dimmed) { 
+                       dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
+               if (!dimmed) {
+                       dimmed = _selected_msg_sent_in_progress (win);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
+               }
+       }
+       
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_copy (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check common dimming rules */
+       if (!dimmed) {
+               dimmed = _invalid_clipboard_selected (win, rule);
+       }
+       
+       /* Check window specific dimming rules */
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }               
+               if (!dimmed) {
+                       dimmed = _selected_msg_sent_in_progress (win);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_cut_mess"));
+               }
+       }
+               
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_view_previous (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _transfer_mode_enabled (win);                  
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+       }
+       if (!dimmed) {
+               if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                       dimmed = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
+               modest_dimming_rule_set_notification (rule, NULL);
+       }               
+
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_view_next (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _transfer_mode_enabled (win);                  
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_notavailable_downloading"));
+       }
+       if (!dimmed) {
+               if (MODEST_IS_MSG_VIEW_WINDOW (win))
+                       dimmed = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW (win));
+               modest_dimming_rule_set_notification (rule, NULL);
+       }               
+
+       return dimmed;
+}
+
+
+gboolean 
+modest_ui_dimming_rules_on_tools_smtp_servers (ModestWindow *win, gpointer user_data)
+{
+       const gboolean dimmed = 
+               !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(), 
+                       TRUE);  
+               
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_cancel_sending (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       TnyFolderType types[1];
+       guint n_messages = 0;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       types[0] = TNY_FOLDER_TYPE_OUTBOX; 
+
+       /* Check dimmed rules */        
+       if (!dimmed) {
+               dimmed = _already_opened_msg (win, &n_messages);
+               if (dimmed) 
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_cancel_send"));
+       }
+       if (!dimmed) {
+               dimmed = !_selected_folder_is_any_of_type (win, types, 1);
+               if (dimmed) 
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       if (!dimmed) {
+               dimmed = !_sending_in_progress (win);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+
+       return dimmed;
+}
+
+gboolean 
+modest_ui_dimming_rules_on_send_receive (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+       /* Check dimmed rule */ 
+       if (!dimmed) {
+               dimmed = !modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(), 
+                                                         TRUE);        
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, _("mcen_nc_no_email_acnts_defined"));
+       }
+
+       return dimmed;
+}
+
+gboolean
+modest_ui_dimming_rules_on_add_to_contacts (ModestWindow *win, gpointer user_data)
+{
+       ModestDimmingRule *rule = NULL;
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (user_data), FALSE);
+       rule = MODEST_DIMMING_RULE (user_data);
+
+       /* Check dimmed rule */
+       if (!dimmed) {
+               GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
+               gchar *selection = NULL;
+               selection = gtk_clipboard_wait_for_text (clipboard);
+
+               dimmed = !((selection != NULL) && (modest_text_utils_validate_recipient (selection, NULL)));
+       }
+
+       return dimmed;
+}
+
+/* *********************** static utility functions ******************** */
+
+/* Returns whether the selected message is marked as deleted. */
+static gboolean 
+_message_is_marked_as_deleted (ModestMsgViewWindow *win)
+{
+       g_return_val_if_fail (win, FALSE);
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW(win), FALSE);
+       
+       TnyHeader* header = modest_msg_view_window_get_header (win);
+       if (!header)
+               return FALSE;
+               
+       return (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED);
+}
+
+
+
+/* Returns whether the selected message is marked as deleted.
+ * @param win The main window, or NULL if you want this function 
+ * to discover the main window itself, which is marginally less 
+ * efficient. */
+static gboolean 
+_selected_message_is_marked_as_deleted (ModestMainWindow *win)
+{
+       gboolean result = FALSE;
+       TnyHeaderFlags flags;
+
+       flags = TNY_HEADER_FLAG_DELETED; 
+
+       /* Check dimmed rule */ 
+       result = _selected_msg_marked_as (win, flags, FALSE, FALSE);
+       
+       return result;
+}
+
+static gboolean
+_selected_folder_not_writeable (ModestMainWindow *win)
+{
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *parent_folder = NULL;
+       ModestTnyFolderRules rules;
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+
+       /* Get folder view */
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       /* If no folder view, always dimmed */
+       if (!folder_view)
+               return TRUE;
+       
+       /* Get selected folder as parent of new folder to create */
+       parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!(parent_folder && TNY_IS_FOLDER(parent_folder))) {
+               if (parent_folder)
+                       g_object_unref (parent_folder);
+               return TRUE;
+       }
+       
+       /* Check dimmed rule */ 
+       rules = modest_tny_folder_get_rules (TNY_FOLDER (parent_folder));
+       result = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
+
+       /* free */
+       g_object_unref (parent_folder);
+
+       return result;
+}
+
+static gboolean
+_selected_folder_is_root_or_inbox (ModestMainWindow *win)
+{
+       TnyFolderType types[2];
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+
+       types[0] = TNY_FOLDER_TYPE_ROOT; 
+       types[1] = TNY_FOLDER_TYPE_INBOX; 
+
+       /* Check folder type */
+       result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 2);
+
+       /* Check pop and MMC accounts */
+       if (!result) {
+               result = _selected_folder_is_MMC_or_POP_root (win);
+       }
+               
+       return result;
+}
+
+
+static gboolean
+_selected_folder_is_root (ModestMainWindow *win)
+{
+       TnyFolderType types[1];
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+
+       /* All accounts are root items: */
+       GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       if (folder_view) {                                      
+               gboolean is_account = FALSE;
+               TnyFolderStore *folder_store = 
+                       modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+               if (folder_store) {
+                       is_account = TNY_IS_ACCOUNT (folder_store);
+                       g_object_unref (folder_store);
+                       folder_store = NULL;
+               }
+               
+               if (is_account)
+                       return TRUE;
+       }
+               
+       /* Try something more precise: */
+       types[0] = TNY_FOLDER_TYPE_ROOT; 
+
+       /* Check folder type */
+       result = _selected_folder_is_any_of_type (MODEST_WINDOW(win), types, 1);
+               
+       /* Check pop and MMC accounts */
+       if (!result) {
+               result = _selected_folder_is_MMC_or_POP_root (win);
+       }
+
+       return result;
+}
+
+static gboolean
+_selected_folder_is_MMC_or_POP_root (ModestMainWindow *win)
+{
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *parent_folder = NULL;
+       gboolean result = FALSE;
+
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       /* Get selected folder as parent of new folder to create */
+       parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!parent_folder)
+               return TRUE;
+       
+       if (TNY_IS_ACCOUNT (parent_folder)) {
+               /* If it's the local account then do not dim */
+               if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
+                       result = FALSE;
+               } else {
+                               /* If it's the MMC root folder then dim it */
+                       if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
+                                       result = TRUE;
+                       } else {
+                               const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (parent_folder));
+                               /* If it's POP then dim */
+                               result = (modest_protocol_info_get_transport_store_protocol (proto_str) == 
+                                                 MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
+                       }
+               }
+       }
+       g_object_unref (parent_folder);
+
+       return result;
+}
+
+
+static gboolean
+_selected_folder_is_empty (ModestMainWindow *win)
+{
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *folder = NULL;
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+
+       /* Get folder view */
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       /* If no folder view, always dimmed */
+       if (!folder_view)
+               return TRUE;
+       
+       /* Get selected folder as parent of new folder to create */
+       folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!(folder && TNY_IS_FOLDER(folder))) {
+               if (folder)
+                       g_object_unref (folder);
+               return TRUE;
+       }
+       
+       /* Check folder type */
+       result = tny_folder_get_all_count (TNY_FOLDER (folder)) == 0;
+
+       /* free */
+       g_object_unref (folder);
+
+       return result;
+}
+
+static gboolean
+_selected_folder_is_same_as_source (ModestWindow *win)
+{
+       ModestEmailClipboard *clipboard = NULL;
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *folder = NULL;
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+
+       /* Get folder view */
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       if (!folder_view)
+               return FALSE;
+       
+       /* Get selected folder as destination folder */
+       folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!(folder && TNY_IS_FOLDER(folder))) {
+               result = FALSE;
+               goto frees;
+       }
+       
+       /* Check clipboard is cleared */
+       clipboard = modest_runtime_get_email_clipboard ();
+       if (modest_email_clipboard_cleared (clipboard)) {
+               result = FALSE;
+               goto frees;
+       }
+               
+       /* Check source folder */
+       result = modest_email_clipboard_check_source_folder (clipboard, 
+                                                            (const TnyFolder *) folder);
+       
+       /* Free */
+ frees:
+       g_object_unref (folder);
+       
+       return result;
+}
+
+static gboolean
+_selected_folder_is_any_of_type (ModestWindow *win,
+                                TnyFolderType types[], 
+                                guint ntypes)
+{
+       GtkWidget *folder_view = NULL;
+       TnyFolderStore *folder = NULL;
+       TnyFolderType folder_type;
+       guint i=0;
+       gboolean result = FALSE;
+
+       /*Get current folder */
+       if (MODEST_IS_MAIN_WINDOW(win)) {
+
+               /* Get folder view */
+               folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                                  MODEST_WIDGET_TYPE_FOLDER_VIEW);
+               /* If no folder view, always dimmed */
+               if (!folder_view)
+                       return FALSE;
+       
+               /* Get selected folder as parent of new folder to create */
+               folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+
+               if (!(folder && TNY_IS_FOLDER(folder))) {
+                       if (folder)
+                               g_object_unref (folder);
+                       return FALSE;
+               }
+               
+               /* Check folder type */
+               result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
+       }
+       else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
+               folder_type = modest_msg_view_window_get_folder_type (MODEST_MSG_VIEW_WINDOW (win));
+               for (i=0; i < ntypes; i++) {
+                       result = result || folder_type == types[i];
+               }
+       }
+
+
+       /* free */
+       g_object_unref (folder);
+
+       return result;  
+}
+
+static gboolean
+_folder_is_any_of_type (TnyFolder *folder,
                        TnyFolderType types[], 
                        guint ntypes)
 {
@@ -432,11 +1424,8 @@ _folder_is_any_of_type (TnyFolder *folder,
        g_return_val_if_fail (TNY_IS_FOLDER(folder), FALSE);
 
        /* Get folder type */
-       if (modest_tny_folder_is_local_folder (folder))
-               folder_type = modest_tny_folder_get_local_folder_type (folder);         
-       else 
-               folder_type = modest_tny_folder_guess_folder_type (folder);             
-       
+       folder_type = modest_tny_folder_guess_folder_type (folder);
+               
        /* Check foler type */
        for (i=0; i < ntypes; i++) {
                result = result || folder_type == types[i];
@@ -445,18 +1434,235 @@ _folder_is_any_of_type (TnyFolder *folder,
        return result;
 }
 
+static gboolean
+_selected_folder_is_snd_level (ModestMainWindow *win)
+{
+       GtkWidget *folder_view = NULL;
+       GtkTreeSelection *sel = NULL;
+       GtkTreeModel *model = NULL;
+       GtkTreePath *path = NULL;
+       GtkTreeIter iter;
+       TnyFolderStore *folder = NULL;
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), TRUE);
+
+       /*Get curent folder */
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       /* If no folder view, always dimmed */
+       if (!folder_view) 
+               goto frees;
+
+       /* Get selected folder as parent of new folder to create */
+       folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));     
+       if (!(folder && TNY_IS_FOLDER(folder))) {
+               goto frees;
+       }
+       
+       /* Check folder level */
+       sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(folder_view));
+       if (!gtk_tree_selection_get_selected (sel, &model, &iter))
+               goto frees;
+       path = gtk_tree_model_get_path (model, &iter);
+       result = gtk_tree_path_get_depth (path) > 2;
+       
+ frees:
+       if (folder != NULL)
+               g_object_unref (folder);
+       if (path != NULL)
+               gtk_tree_path_free (path);
+       
+       return result;
+
+}
+
+static gboolean
+_clipboard_is_empty (ModestWindow *win)
+{
+       gboolean result = FALSE;
+       
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               ModestEmailClipboard *clipboard = NULL;
+               clipboard = modest_runtime_get_email_clipboard ();
+               if (modest_email_clipboard_cleared (clipboard)) 
+                result = TRUE;  
+       }
+
+       return result;
+}
+
+static gboolean
+_invalid_clipboard_selected (ModestWindow *win,
+                      ModestDimmingRule *rule) 
+{
+       gboolean result = FALSE;
+
+       if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               GtkClipboard *clipboard = NULL;
+               gchar *selection = NULL;
+               GtkWidget *focused = NULL;
+
+               /* Get clipboard selection*/
+               clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
+               selection = gtk_clipboard_wait_for_text (clipboard);
+
+               /* Get focuesed widget */
+               focused = gtk_window_get_focus (GTK_WINDOW (win));
+
+               /* Check dimming */
+               result = ((selection == NULL) || 
+                         (MODEST_IS_ATTACHMENTS_VIEW (focused)));
+               
+               if (result)
+                       modest_dimming_rule_set_notification (rule, "");
+       }               
+       else if (MODEST_IS_MAIN_WINDOW (win)) {
+               GtkWidget *header_view = NULL;
+
+               /* Get header view to check selected messages */
+               header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                                  MODEST_WIDGET_TYPE_HEADER_VIEW);
+       
+               /* Check dimming */
+               result = !modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));            
+               if (result)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));                  
+       }
+       
+       return result;
+}
+
+
+static gboolean
+_invalid_attach_selected (ModestWindow *win,
+                         gboolean unique,
+                         gboolean for_view,
+                         gboolean for_remove,
+                         ModestDimmingRule *rule) 
+{
+       GList *attachments, *node;
+       gint n_selected;
+       TnyHeaderFlags flags;
+       gboolean nested_attachments = FALSE;
+       gboolean selected_messages = FALSE;
+       gboolean result = FALSE;
+
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               flags = TNY_HEADER_FLAG_ATTACHMENTS;
+               if (!result)
+                       result = _selected_msg_marked_as (MODEST_MAIN_WINDOW (win), flags, TRUE, FALSE);                
+       }
+       else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               
+               /* Get selected atachments */
+               attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
+               n_selected = g_list_length (attachments);
+
+               /* Check unique */              
+               if (!result) {
+                       if (unique) 
+                               result = n_selected != 1;
+                       else
+                               
+                               result = n_selected < 1;
+               }
+               
+               /* Check attached type (view operation not required) */
+               if (!result && !for_view)  {
+                       for (node = attachments; node != NULL && !result; node = g_list_next (node)) {
+                               TnyMimePart *mime_part = TNY_MIME_PART (node->data);
+                               TnyList *nested_list = tny_simple_list_new ();
+                               if (!for_remove && TNY_IS_MSG (mime_part)) {
+                                       selected_messages = TRUE;
+                                       result = TRUE;
+                               }
+                               tny_mime_part_get_parts (mime_part, nested_list);
+                               if (!for_remove && tny_list_get_length (nested_list) > 0) {
+                                       nested_attachments = TRUE;
+                                       result = TRUE;
+                               }
+                               g_object_unref (nested_list);
+                       }
+               }
+               
+               /* Set notifications */
+               if (result && rule != NULL) {
+                       if (selected_messages) {
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_save_attach_mail"));
+                       } else if (nested_attachments) {
+                               modest_dimming_rule_set_notification (rule, _("FIXME:unable to save attachments with nested elements"));
+                       } else if (n_selected == 0) {
+                               modest_dimming_rule_set_notification (rule, _("FIXME:no attachment selected"));
+                       } else if (unique) {
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_display_more"));
+                       }
+               }
+               
+               /* Free */
+               g_list_free (attachments);
+       }
+
+       return result;
+}
+
+static gboolean
+_purged_attach_selected (ModestWindow *win, gboolean all, ModestDimmingRule *rule) 
+{
+       GList *attachments = NULL, *node;
+       gint purged = 0;
+       gint n_attachments = 0;
+       gboolean result = FALSE;
+
+       /* This should check if _all_ the attachments are already purged. If only some
+        * of them are purged, then it does not cause dim as there's a confirmation dialog
+        * for removing only local attachments */
+
+       /* Get selected atachments */
+       if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
+       } else if (MODEST_IS_MAIN_WINDOW (win)) {
+               /* If we're in main window, we won't know if there are already purged attachments */
+               return FALSE;
+       }
+
+       if (attachments == NULL)
+               return FALSE;
+
+       for (node = attachments; node != NULL; node = g_list_next (node)) {
+               TnyMimePart *mime_part = TNY_MIME_PART (node->data);
+               if (tny_mime_part_is_purged (mime_part)) {
+                       purged++;
+               }
+               n_attachments++;
+       }
+               
+       /* Free */
+       g_list_free (attachments);
 
+       if (all)
+               result = (purged == n_attachments);
+       else
+               result = (purged > 0);
+
+       if (result && (rule != NULL))
+               modest_dimming_rule_set_notification (rule, _("mail_ib_attachment_already_purged"));
+
+       return result;
+}
 
 static gboolean
 _invalid_msg_selected (ModestMainWindow *win,
-                      gboolean unique) 
+                      gboolean unique,
+                      ModestDimmingRule *rule) 
 {
        GtkWidget *header_view = NULL;          
        GtkWidget *folder_view = NULL;
-       TnyList *selected_headers = NULL;
+       gboolean selected_headers = FALSE;
        gboolean result = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       g_return_val_if_fail (MODEST_IS_DIMMING_RULE (rule), FALSE);
                
        /* Get header view to check selected messages */
        header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
@@ -467,31 +1673,35 @@ _invalid_msg_selected (ModestMainWindow *win,
                                                           MODEST_WIDGET_TYPE_FOLDER_VIEW);
 
        /* Get selected headers */
-       selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
+       selected_headers = modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view));
 
        /* Check dimmed rule (TODO: check focus on widgets */   
-       result = ((selected_headers == NULL) || 
-                 (GTK_WIDGET_HAS_FOCUS (folder_view)));
-       if (!result)
-               result = tny_list_get_length (selected_headers) > 1;
-       
-       /* free */
-       if (selected_headers != NULL) 
-               g_object_unref (selected_headers);
+       if (!result) {
+               result = ((!selected_headers) ||
+                         (gtk_widget_is_focus (folder_view)));
+               if (result)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
+       }
+       if (!result && unique) {
+               result = modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1;
+               if (result)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
+       }
 
        return result;
 }
 
 static gboolean
-_already_opened_msg (ModestWindow *win)
+_already_opened_msg (ModestWindow *win,
+                    guint *n_messages)
 {
-       ModestWindow *window = NULL;
+       //ModestWindow *window = NULL;
        ModestWindowMgr *mgr = NULL;
        GtkWidget *header_view = NULL;          
        TnyList *selected_headers = NULL;
        TnyIterator *iter = NULL;
        TnyHeader *header = NULL;
-       gboolean result = TRUE;
+       gboolean found;
 
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
                
@@ -499,48 +1709,85 @@ _already_opened_msg (ModestWindow *win)
        header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
                                                           MODEST_WIDGET_TYPE_HEADER_VIEW);
 
+
+       /* Check no selection */
+       if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
+           return FALSE;
+           
        /* Get selected headers */
        selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
        if (selected_headers == NULL) 
                return FALSE;
 
+       *n_messages = tny_list_get_length (selected_headers);
+
        /* Check dimmed rule (TODO: check focus on widgets */   
        mgr = modest_runtime_get_window_mgr ();
        iter = tny_list_create_iterator (selected_headers);
-       while (!tny_iterator_is_done (iter) && result) {        
+       found = FALSE;
+       while (!tny_iterator_is_done (iter)) {
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               window = modest_window_mgr_find_window_by_msguid (mgr, tny_header_get_uid (header));
-               result = result && (window != NULL);
-                       
-               g_object_unref (header);
+               if (header) {
+                       found = modest_window_mgr_find_registered_header (mgr,header, NULL);
+               
+                       g_object_unref (header);
+               }
+
                tny_iterator_next (iter);
+
+               if (found)
+                       break;
        }
-       
+               
        /* free */
        if (selected_headers != NULL) 
                g_object_unref (selected_headers);
        if (iter != NULL)
                g_object_unref (iter);
                
-       return result;
+       return found;
 }
 
+/* Returns whether the selected message has these flags.
+ * @win: The main window, or NULL if you want this function 
+ * to discover the main window itself.
+ */
 static gboolean
-_selected_msg_marked_as (ModestWindow *win, 
+_selected_msg_marked_as (ModestMainWindow *win, 
                         TnyHeaderFlags mask, 
-                        gboolean opposite)
+                        gboolean opposite,
+                        gboolean all)
 {
+       ModestMainWindow *main_window = NULL;
        GtkWidget *header_view = NULL;
        TnyList *selected_headers = NULL;
        TnyIterator *iter = NULL;
        TnyHeader *header = NULL;
-       TnyHeaderFlags flags;
-       gboolean result = FALSE;
+       TnyHeaderFlags flags = 0;
+       gboolean result = TRUE;
+
+    /* The caller can supply the main window if it knows it, 
+     * to save time, or we can get it here: */
+       if (win && MODEST_IS_MAIN_WINDOW (win))
+               main_window = win;
+       else {
+               main_window = MODEST_MAIN_WINDOW (
+                       modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ()));
+       }       
+
+       /* TODO: Javi, what about if the main window does not
+          exist?. Adding some code to avoid CRITICALs */
+       if (!main_window)
+               return FALSE;
 
        /* Get header view to check selected messages */
-       header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+       header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_window),
                                                           MODEST_WIDGET_TYPE_HEADER_VIEW);
 
+       /* Check no selection */
+       if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
+           return TRUE;
+
        /* Get selected headers */
        selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
        if (selected_headers == NULL) 
@@ -548,19 +1795,24 @@ _selected_msg_marked_as (ModestWindow *win,
        
        /* Call the function for each header */
        iter = tny_list_create_iterator (selected_headers);
-       while (!tny_iterator_is_done (iter) && !result) {
+       while (!tny_iterator_is_done (iter) && result) {
                header = TNY_HEADER (tny_iterator_get_current (iter));
+               if (header) {
+                       flags = tny_header_get_flags (header);
+                       if (opposite)
+                               result = (flags & mask) == 0; 
+                       else
+                               result = (flags & mask) != 0; 
 
-               flags = tny_header_get_flags (header);
-               if (opposite)
-                       result = (flags & mask) == 0; 
-               else
-                       result = (flags & mask) != 0; 
+                       g_object_unref (header);
+               }
 
-               g_object_unref (header);
                tny_iterator_next (iter);
        }
 
+       if (all) 
+               result = result && tny_iterator_is_done (iter);
+
        /* free */
        if (selected_headers != NULL) 
                g_object_unref (selected_headers);
@@ -577,5 +1829,244 @@ _msg_download_in_progress (ModestMsgViewWindow *win)
 
        g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
 
+       result = modest_msg_view_window_toolbar_on_transfer_mode (win);
+
+       return result;
+}
+
+static gboolean
+_msg_download_completed (ModestMainWindow *win)
+{
+       GtkWidget *header_view = NULL;
+       TnyList *selected_headers = NULL;
+       TnyIterator *iter = NULL;
+       TnyHeader *header = NULL;
+       TnyHeaderFlags flags = 0;
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
+
+
+       /* Get header view to check selected messages */
+       header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                          MODEST_WIDGET_TYPE_HEADER_VIEW);
+
+       /* Check no selection */
+       if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
+           return TRUE;
+
+       /* Get selected headers */
+       selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
+       if (selected_headers == NULL) 
+               return TRUE;
+
+       /* Check dimmed rule  */        
+       result = TRUE;
+       iter = tny_list_create_iterator (selected_headers);
+       while (!tny_iterator_is_done (iter) && result) {
+               header = TNY_HEADER (tny_iterator_get_current (iter));
+               if (header) {
+                       flags = tny_header_get_flags (header);
+                       /* TODO: is this the right flag?, it seems that some
+                          headers that have been previously downloaded do not
+                          come with it */
+                       result = (flags & TNY_HEADER_FLAG_CACHED);
+
+                       g_object_unref (header);
+               }
+
+               tny_iterator_next (iter);
+       }
+
+       g_object_unref (iter);
+
+       return result;
+}
+
+static void 
+fill_list_of_caches (gpointer key, gpointer value, gpointer userdata)
+{
+       GSList **send_queues = (GSList **) userdata;
+       *send_queues = g_slist_prepend (*send_queues, value);
+}
+
+static gboolean
+_selected_msg_sent_in_progress (ModestWindow *win)
+{
+       ModestCacheMgr *cache_mgr;
+       GHashTable     *send_queue_cache;
+       GSList *send_queues = NULL, *node;
+       ModestTnySendQueue *send_queue = NULL;
+       GtkWidget *header_view = NULL;
+       TnyList *header_list = NULL;
+       TnyIterator *iter = NULL;
+       TnyHeader *header = NULL;
+       gboolean result = FALSE;
+       gchar *msg_uid = NULL;
+       
+
+       if (MODEST_IS_MAIN_WINDOW(win)) {
+               
+               /* Get header view to check selected messages */
+               header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(win),
+                                                                  MODEST_WIDGET_TYPE_HEADER_VIEW);
+               
+               /* Check no selection */
+               if (!modest_header_view_has_selected_headers (MODEST_HEADER_VIEW(header_view)))
+                   return FALSE;
+
+               /* Get selected headers */
+               header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
+
+               /* Get message header */
+               if (!header_list) return FALSE;
+               iter = tny_list_create_iterator (header_list);
+               header = TNY_HEADER (tny_iterator_get_current (iter));
+               if (header) {
+                       /* Get message uid */
+                       msg_uid = modest_tny_send_queue_get_msg_id (header);
+                       g_object_unref (header);
+               }
+               
+        } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
+               
+               /* Get message header */
+               header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
+               if (header) {
+                       /* Get message uid */
+                       msg_uid = modest_tny_send_queue_get_msg_id (header);
+                       g_object_unref (header);
+               }
+       }
+
+       /* Search on send queues cache */
+       cache_mgr = modest_runtime_get_cache_mgr ();
+       send_queue_cache = modest_cache_mgr_get_cache (cache_mgr,
+                                                      MODEST_CACHE_MGR_CACHE_TYPE_SEND_QUEUE);
+       
+       g_hash_table_foreach (send_queue_cache, (GHFunc) fill_list_of_caches, &send_queues);
+       
+       for (node = send_queues; node != NULL && !result; node = g_slist_next (node)) {
+               send_queue = MODEST_TNY_SEND_QUEUE (node->data);
+
+               /* Check if msg uid is being processed inside send queue */
+               result = modest_tny_send_queue_msg_is_being_sent (send_queue, msg_uid);         
+       }
+
+
+       /* Free */
+       g_free(msg_uid);
+       g_object_unref(header_list);
+       g_object_unref(iter);
+       g_slist_free (send_queues);
+
+       return result;
+}
+
+
+static gboolean
+_sending_in_progress (ModestWindow *win)
+{
+       gboolean result = FALSE;
+       
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW (win), FALSE);
+
+       /* Check if send operation is in progress */
+       result = modest_main_window_send_receive_in_progress (MODEST_MAIN_WINDOW (win));
+
+       return result;
+}
+
+static gboolean
+_invalid_folder_for_purge (ModestWindow *win, 
+                          ModestDimmingRule *rule)
+{
+       TnyMsg *msg = NULL;
+       TnyFolder *folder = NULL;
+       TnyAccount *account = NULL;
+       gboolean result = FALSE;
+
+       if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+
+               /* Get folder and account of message */
+               msg = modest_msg_view_window_get_message (MODEST_MSG_VIEW_WINDOW (win));
+               g_return_val_if_fail(msg != NULL, TRUE);                        
+               folder = tny_msg_get_folder (msg);      
+               if (folder == NULL) {
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
+                       goto frees;
+               }
+               g_object_unref (msg);
+       } else if (MODEST_IS_MAIN_WINDOW (win)) {
+               GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
+                                                                             MODEST_WIDGET_TYPE_FOLDER_VIEW);
+               if (!folder_view)
+                       return FALSE;
+               folder = TNY_FOLDER (modest_folder_view_get_selected (MODEST_FOLDER_VIEW (folder_view)));
+               if (folder == NULL || ! TNY_IS_FOLDER (folder))
+                       goto frees;             
+       } else {
+               g_return_val_if_reached (FALSE);
+       }
+       account = modest_tny_folder_get_account (folder);
+       if (account == NULL) goto frees;                        
+               
+       /* Check account */
+       if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (account))) {
+               TnyFolderType types[2];
+               types[0] = TNY_FOLDER_TYPE_DRAFTS;
+               types[1] = TNY_FOLDER_TYPE_OUTBOX;
+               
+               if (_selected_folder_is_any_of_type (win, types, 2)) {
+                       result = TRUE;
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_editable_msg"));
+               } else {
+                       /* We're currently disabling purge in any local store */
+                       result = TRUE;
+                       modest_dimming_rule_set_notification (rule, _("mail_ib_unable_to_purge_attachments"));
+               }
+       } else {
+               const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
+               /* If it's POP then dim */
+               if (modest_protocol_info_get_transport_store_protocol (proto_str) == 
+                   MODEST_PROTOCOL_STORE_POP) {
+                       GList *attachments = NULL;
+                       gint n_selected = 0;
+                       result = TRUE;
+                       
+                       /* TODO: This check is here to prevent a gwarning, but this looks like a logic error.
+                        * murrayc */
+                       if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+                               attachments = modest_msg_view_window_get_attachments (MODEST_MSG_VIEW_WINDOW(win));
+                               n_selected = g_list_length (attachments);
+                               g_list_free (attachments);
+                       }
+                       
+                       modest_dimming_rule_set_notification (rule, 
+                                                             ngettext ("mail_ib_unable_to_pure_attach_pop_mail_singular",
+                                                                       "mail_ib_unable_to_pure_attach_pop_mail_plural", 
+                                                                       n_selected));
+               }
+       }
+       
+frees:
+       if (folder != NULL)
+               g_object_unref (folder);
+       if (account != NULL)
+               g_object_unref (account);
+       
+       return result;
+}
+
+static gboolean
+_transfer_mode_enabled (ModestWindow *win)
+{
+       gboolean result = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), FALSE);
+       
+       /* Check dimming */
+       result = modest_msg_view_window_transfer_mode_enabled (MODEST_MSG_VIEW_WINDOW (win));
+
        return result;
 }