* Add new dimming rules for copy,cut and paste operations.
[modest] / src / modest-ui-dimming-rules.c
index b4db632..809ba94 100644 (file)
 #include "modest-ui-dimming-rules.h"
 #include "modest-dimming-rule.h"
 #include "modest-tny-folder.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, ModestDimmingRule *rule);
-static gboolean _already_opened_msg (ModestWindow *win);
+static gboolean _invalid_attach_selected (ModestWindow *win, gboolean unique, gboolean for_view, ModestDimmingRule *rule);
+static gboolean _clipboard_is_empty (ModestWindow *win);
+static gboolean _invalid_clipboard_selected (ModestWindow *win);
+static gboolean _already_opened_msg (ModestWindow *win, guint *n_messages);
 static gboolean _selected_msg_marked_as (ModestWindow *win, TnyHeaderFlags mask, gboolean opposite);
 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_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 _marked_as_deleted (ModestWindow *win);
+static gboolean _invalid_attachment_for_purge (ModestWindow *win, ModestDimmingRule *rule);
 
 
 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)
+       if (!dimmed) {
                dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -66,39 +86,56 @@ modest_ui_dimming_rules_on_new_msg (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 {
-       gboolean dimmed = FALSE;
+       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);
-       /* 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 it's the local account do not dim */
-       if (modest_tny_folder_store_is_virtual_local_folders (parent_folder)) {
-               return FALSE;
-       } else if (TNY_IS_ACCOUNT (parent_folder)) {
-               /* If it's the MMC root folder then dim it */
-               if (!strcmp (tny_account_get_id (TNY_ACCOUNT (parent_folder)), MODEST_MMC_ACCOUNT_ID)) {
-                       dimmed = 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, "");
                }
        } 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 */        
-               dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+               if (!dimmed) {
+                       dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
+               if (!dimmed) {
+                       dimmed = _selected_folder_is_any_of_type (win, types, 3);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
        }
+       g_object_unref (parent_folder);
 
        return dimmed;
 }
@@ -106,31 +143,98 @@ modest_ui_dimming_rules_on_new_folder (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_delete_folder (ModestWindow *win, gpointer user_data)
 {
+       ModestDimmingRule *rule = NULL;
+       TnyFolderType types[5];
        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)
+       if (!dimmed) {
                dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
-       if (!dimmed)
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_any_of_type (win, types, 5);
+               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_MMC_or_POP_root (MODEST_MAIN_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+
+       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));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
+       
 }
 
 gboolean 
 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 {
+       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;
+       
        /* 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, 3);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -146,8 +250,14 @@ modest_ui_dimming_rules_on_open_msg (ModestWindow *win, gpointer user_data)
        rule = MODEST_DIMMING_RULE (user_data);
                
        /* Check dimmed rule */ 
-       if (!dimmed)
+       if (!dimmed) {
                dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
+       }
+       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;
 }
@@ -171,22 +281,27 @@ modest_ui_dimming_rules_on_reply_msg (ModestWindow *win, gpointer user_data)
                
                /* Check dimmed rule */ 
                if (!dimmed) {
-                       dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 3);                   
-                       modest_dimming_rule_set_notification (rule, _("mcen_ib_unable_to_reply"));
+                       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));                   
-                       modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_reply"));
                }
-               if (!dimmed)
+               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)
+               if (!dimmed) {
                        dimmed = _msg_download_in_progress (MODEST_MSG_VIEW_WINDOW(win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
        }
        
        return dimmed;
@@ -196,12 +311,22 @@ 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, user_data);
+       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;
 }
@@ -224,24 +349,52 @@ 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_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_empty (MODEST_MAIN_WINDOW(win));                   
-               modest_dimming_rule_set_notification (rule, _("mcen_ib_nothing_to_del"));
-       }
-       if (!dimmed) {
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
-               modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
-       }
-       if (!dimmed) {
-               dimmed = _already_opened_msg (win);
-               modest_dimming_rule_set_notification (rule, _("mcen_nc_unable_to_delete_n_messages"));
+       /* 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"), n_messages);
+                               modest_dimming_rule_set_notification (rule, message);
+                               g_free(message);
+                               g_free(num);
+                       }
+               }
+               if (!dimmed) {
+                       dimmed = _marked_as_deleted (win);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
+               }
+               if (!dimmed) {
+                       dimmed = _selected_msg_sent_in_progress (win);
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, _("mcen_ib_message_unableto_delete"));
+               }
+       } 
+       else if (MODEST_IS_MSG_VIEW_WINDOW (win)) {
+               if (!dimmed) {
+                       dimmed = !modest_msg_view_window_has_headers_model (MODEST_MSG_VIEW_WINDOW(win));
+                       if (dimmed) {
+                               gchar *message = g_strdup_printf(_("mcen_nc_unable_to_delete_n_messages"), "1");
+                               modest_dimming_rule_set_notification (rule, message);
+                               g_free(message);
+                       }
+               }
        }
 
        return dimmed;
@@ -250,8 +403,12 @@ modest_ui_dimming_rules_on_delete_msg (ModestWindow *win, gpointer user_data)
 gboolean 
 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 {
-       gboolean dimmed = FALSE;
+       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)) {
@@ -260,61 +417,97 @@ modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
                header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
                                                                   MODEST_WIDGET_TYPE_HEADER_VIEW);
                
-               /* If the header view does not have the focus then do
-                  not apply msg dimming rules because the action will
-                  show the folder details that have no dimming
-                  rule */
-               if (gtk_widget_is_focus (header_view)) {
+               /* 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)
+               if (!dimmed) {
                        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)
+       if (!dimmed) {
                dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
-       if (!dimmed) 
+       }
+       if (!dimmed) {
                dimmed = _selected_msg_marked_as (win, flags, FALSE);
-       
+               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, user_data);
-       if (!dimmed) 
+       if (!dimmed) {
                dimmed = _selected_msg_marked_as (win, flags, TRUE);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
 
        return dimmed;
 }
@@ -322,12 +515,16 @@ 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;
 }
@@ -338,9 +535,13 @@ modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user
 {
        GtkWidget *folder_view = NULL;
        GtkWidget *header_view = NULL;
+       ModestDimmingRule *rule = NULL;
+       const gchar *message = NULL;
        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),
@@ -349,126 +550,490 @@ 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  */
-       if (gtk_widget_is_focus (folder_view)) {
-               if (!dimmed) 
-                       dimmed = _selected_folder_not_writeable(MODEST_MAIN_WINDOW(win));
-       }
-       /* 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, user_data);
+       
+       /* Check diming rules for folders and messages transfer  */
+       if (!dimmed) {
+               dimmed = _selected_folder_not_writeable(MODEST_MAIN_WINDOW(win));
+               if (dimmed) {
+                       if (gtk_widget_is_focus (folder_view))
+                               message = _("mail_in_ui_folder_move_target_error");
+                       else
+                               message = ngettext ("mail_in_ui_folder_move_target_error", "mail_in_ui_folder_move_targets_error",
+                                                   modest_header_view_count_selected_headers (MODEST_HEADER_VIEW(header_view)) > 1);                                   
+               }
+       }               
+       if (!dimmed) {
+               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 = !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)
 {
+       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;
        
        /* Check dimmed rule */ 
-       if (!dimmed)
-               dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 3);
+       if (!dimmed) {
+               dimmed = _clipboard_is_empty (win);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       if (!dimmed) {
+               dimmed = _selected_folder_is_any_of_type (win, types, 3);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+       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;
 }
 
+
 gboolean 
-modest_ui_dimming_rules_on_delete_msgs (ModestWindow *win, gpointer user_data)
+modest_ui_dimming_rules_on_select_all (ModestWindow *win, gpointer user_data)
 {
-       TnyFolderType types[5];
+       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);
 
-       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 = _selected_folder_is_empty (MODEST_MAIN_WINDOW(win));                   
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+               
        return dimmed;
 }
 
-
-/* *********************** static utility functions ******************** */
-
-static gboolean
-_selected_folder_not_writeable (ModestMainWindow *win)
+gboolean 
+modest_ui_dimming_rules_on_view_attachments (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_MSG_VIEW_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 = _invalid_attach_selected (win, TRUE, TRUE, rule);                      
+               
+       return dimmed;
 }
 
-static gboolean
-_selected_folder_is_root (ModestMainWindow *win)
+gboolean 
+modest_ui_dimming_rules_on_save_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 dimmed rule */ 
+       if (!dimmed) 
+               dimmed = _invalid_attach_selected (win, FALSE, FALSE, rule);                    
+               
+       return dimmed;
+}
+
+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 dimmed rule */ 
+       if (!dimmed) {
+               dimmed = _invalid_attach_selected (win, TRUE, TRUE, rule);                      
+       }
+       if (!dimmed) {
+               dimmed = _invalid_attachment_for_purge (win, rule);
+       }
+
+
+       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);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }
+
+       /* Check window specific dimming rules */
+       if (MODEST_IS_MAIN_WINDOW (win)) {
+               if (!dimmed) {
+                       dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+                       if (dimmed)
+                               modest_dimming_rule_set_notification (rule, "");
+               }
+               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);
+               if (dimmed)
+                       modest_dimming_rule_set_notification (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 = modest_msg_view_window_first_message_selected (MODEST_MSG_VIEW_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }               
+
+       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 = modest_msg_view_window_last_message_selected (MODEST_MSG_VIEW_WINDOW(win));
+               if (dimmed)
+                       modest_dimming_rule_set_notification (rule, "");
+       }               
+
+       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)
+{
+       gboolean dimmed = FALSE;
+
+       /* Check dimmed rule */ 
+       if (!dimmed) 
+               dimmed = !_sending_in_progress (win);
+               
+       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)));
+       }
+
+       return dimmed;
+}
+
+/* *********************** static utility functions ******************** */
+
+static gboolean 
+_marked_as_deleted (ModestWindow *win)
+{
+       gboolean result = FALSE;
+       TnyHeaderFlags flags;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+       
+       flags = TNY_HEADER_FLAG_DELETED; 
+
+       /* Check dimmed rule */ 
+       result = _selected_msg_marked_as (win, flags, 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 (win, types, 2);
+       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);
+
+       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;
@@ -486,8 +1051,11 @@ _selected_folder_is_empty (ModestMainWindow *win)
        
        /* 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 && 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;
@@ -499,10 +1067,9 @@ _selected_folder_is_empty (ModestMainWindow *win)
 }
 
 static gboolean
-_selected_folder_is_any_of_type (ModestMainWindow *win,
-                                TnyFolderType types[], 
-                                guint ntypes)
+_selected_folder_is_same_as_source (ModestWindow *win)
 {
+       ModestEmailClipboard *clipboard = NULL;
        GtkWidget *folder_view = NULL;
        TnyFolderStore *folder = NULL;
        gboolean result = FALSE;
@@ -512,17 +1079,74 @@ _selected_folder_is_any_of_type (ModestMainWindow *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 TRUE;
+               return FALSE;
        
-       /* Get selected folder as parent of new folder to create */
+       /* Get selected folder as destination folder */
        folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
-       if (!(folder && TNY_IS_FOLDER(folder)))
-               return TRUE;
+       if (!(folder && TNY_IS_FOLDER(folder))) {
+               result = FALSE;
+               goto frees;
+       }
        
-       /* Check folder type */
-       result = _folder_is_any_of_type (TNY_FOLDER(folder), types, ntypes);
+       /* 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 curent 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 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 = _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);
@@ -555,7 +1179,127 @@ _folder_is_any_of_type (TnyFolder *folder,
        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)
+{
+       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)));
+       }               
+       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));            
+       }
+       
+       return result;
+}
+
+
+static gboolean
+_invalid_attach_selected (ModestWindow *win,
+                         gboolean unique,
+                         gboolean for_view,
+                         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 (win, flags, TRUE);            
+       }
+       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 (TNY_IS_MSG (mime_part)) {
+                                       selected_messages = TRUE;
+                                       result = TRUE;
+                               }
+                               tny_mime_part_get_parts (mime_part, nested_list);
+                               if (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
 _invalid_msg_selected (ModestMainWindow *win,
@@ -564,7 +1308,7 @@ _invalid_msg_selected (ModestMainWindow *win,
 {
        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);
@@ -579,28 +1323,27 @@ _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 */   
        if (!result) {
-               result = ((selected_headers == NULL) || 
-                         (GTK_WIDGET_HAS_FOCUS (folder_view)));
-               modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
+               result = ((!selected_headers) ||
+                         (gtk_widget_is_focus (folder_view)));
+               if (result)
+                       modest_dimming_rule_set_notification (rule, _("mcen_ib_no_message_selected"));
        }
-       if (!result) {
-               result = tny_list_get_length (selected_headers) > 1;
-               modest_dimming_rule_set_notification (rule, _("mcen_ib_select_one_message"));
+       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"));
        }
 
-       /* free */
-       if (selected_headers != NULL) 
-               g_object_unref (selected_headers);
-
        return result;
 }
 
 static gboolean
-_already_opened_msg (ModestWindow *win)
+_already_opened_msg (ModestWindow *win,
+                    guint *n_messages)
 {
        ModestWindow *window = NULL;
        ModestWindowMgr *mgr = NULL;
@@ -616,11 +1359,18 @@ _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);
@@ -658,6 +1408,10 @@ _selected_msg_marked_as (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 TRUE;
+
        /* Get selected headers */
        selected_headers = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW(header_view));
        if (selected_headers == NULL) 
@@ -694,5 +1448,207 @@ _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;
+       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));
+                       
+               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 gboolean
+_selected_msg_sent_in_progress (ModestWindow *win)
+{
+       ModestTnySendQueue *send_queue = NULL;
+       GtkWidget *header_view = NULL;
+       ModestTnyAccountStore *acc_store = NULL;
+       TnyAccount *account = NULL;
+       TnyList *header_list = NULL;
+       TnyIterator *iter = NULL;
+       TnyHeader *header = NULL;
+       const gchar *account_name = NULL;
+       gboolean result = FALSE;
+       gchar *id = NULL;
+       
+       /* Get transport account */
+       acc_store = modest_runtime_get_account_store();
+       account_name = modest_window_get_active_account (win);
+       
+       /* If no account defined, this action must be always dimmed  */
+       if (account_name == NULL) return FALSE;
+       account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
+       if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
+
+       /* Get send queue for current ransport account */
+       send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
+       g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
+
+       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));
+
+               /* Get message id */
+               id = g_strdup(tny_header_get_message_id (header));
+               
+        } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
+               
+               /* Get message header */
+               header = modest_msg_view_window_get_header (MODEST_MSG_VIEW_WINDOW(win));
+
+               /* Get message id */
+               id = g_strdup(tny_header_get_message_id (header));
+       }
+
+       /* Check if msg id is being processed inside send queue */
+       result = modest_tny_send_queue_msg_is_being_sent (send_queue, id);
+
+       /* Free */
+       g_free(id);
+       g_object_unref (header);
+       g_object_unref(header_list);
+       g_object_unref(iter);
+
+       return result;
+}
+
+
+static gboolean
+_sending_in_progress (ModestWindow *win)
+{
+       ModestTnySendQueue *send_queue = NULL;
+       ModestTnyAccountStore *acc_store = NULL;
+       TnyAccount *account = NULL;
+       const gchar *account_name = NULL;
+       gboolean result = FALSE;
+       
+       /* Get transport account */
+       acc_store = modest_runtime_get_account_store();
+       account_name = modest_window_get_active_account (win);
+
+       /* If no account defined, this action must be always dimmed  */
+       if (account_name == NULL) return FALSE;
+       account = modest_tny_account_store_get_transport_account_for_open_connection (acc_store, account_name);
+       if (!TNY_IS_TRANSPORT_ACCOUNT (account)) return FALSE;
+
+       /* Get send queue for current ransport account */
+       send_queue = modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(account));
+       g_return_val_if_fail (MODEST_IS_TNY_SEND_QUEUE (send_queue), FALSE);
+
+       /* Check if send queue is perfimring any send operation */
+       result = modest_tny_send_queue_sending_in_progress (send_queue);
+
+       return result;
+}
+
+static gboolean
+_invalid_attachment_for_purge (ModestWindow *win, 
+                              ModestDimmingRule *rule)
+{
+       TnyMsg *msg = NULL;
+       TnyFolder *folder = NULL;
+       TnyAccount *account = NULL;
+       gboolean result = TRUE;
+
+       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;                     
+               }
+               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))) {
+                       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;
+                               gint n_selected;
+                               result = TRUE;
+                               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 (msg != NULL)
+               g_object_unref (msg);
+       if (folder != NULL)
+               g_object_unref (folder);
+       if (account != NULL)
+               g_object_unref (account);
+       
+       return result;
+}
+