* Implement remain dimming rules (toolbar and context sensitive menus)
[modest] / src / modest-ui-dimming-rules.c
index 82ad2de..b4db632 100644 (file)
 
 #include <string.h>
 #include "modest-ui-dimming-rules.h"
+#include "modest-dimming-rule.h"
 #include "modest-tny-folder.h"
 #include <modest-runtime.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 _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);
 static gboolean _already_opened_msg (ModestWindow *win);
 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_root (ModestMainWindow *win);
+static gboolean _selected_folder_is_empty (ModestMainWindow *win);
 static gboolean _msg_download_in_progress (ModestMsgViewWindow *win);
 
 
@@ -102,6 +104,22 @@ 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)
+{
+       gboolean dimmed = FALSE;
+
+       g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
+               
+       /* Check dimmed rule */ 
+       if (!dimmed)
+               dimmed = _selected_folder_not_writeable (MODEST_MAIN_WINDOW(win));
+       if (!dimmed)
+               dimmed = _selected_folder_is_root (MODEST_MAIN_WINDOW(win));
+
+       return dimmed;
+}
+
+gboolean 
 modest_ui_dimming_rules_on_rename_folder (ModestWindow *win, gpointer user_data)
 {
        gboolean dimmed = FALSE;
@@ -120,13 +138,16 @@ 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);
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
 
        return dimmed;
 }
@@ -134,9 +155,13 @@ 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)) {
                
@@ -145,11 +170,16 @@ 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);                   
+                       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)
-                       dimmed = _selected_folder_is_any_of_type (MODEST_MAIN_WINDOW(win), types, 3);
-               
-               if (!dimmed)
-                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, rule);
 
        /* msg view window dimming rules */
        } else if (MODEST_IS_MSG_VIEW_WINDOW(win)) {
@@ -171,7 +201,7 @@ modest_ui_dimming_rules_on_contents_msg (ModestWindow *win, gpointer user_data)
        g_return_val_if_fail (MODEST_IS_MAIN_WINDOW(win), FALSE);
                
        /* Check dimmed rule */ 
-       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
 
        return dimmed;
 }
@@ -193,16 +223,27 @@ 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;
        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), FALSE);
-       if (!dimmed)
+       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"));
+       }
+
        return dimmed;
 }
 
@@ -210,22 +251,23 @@ gboolean
 modest_ui_dimming_rules_on_details (ModestWindow *win, gpointer user_data)
 {
        gboolean dimmed = FALSE;
+       GtkWidget *header_view = NULL;
        
        /* main window dimming rules */
        if (MODEST_IS_MAIN_WINDOW(win)) {
-               GtkWidget *header_view;
-
+                               
                /* Check dimmed rule */
                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)) {
+                       /* Check dimmed rule */ 
                        if (!dimmed)
-                               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE);
+                               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), TRUE, user_data);
                }
 
        /* msg view window dimming rules */
@@ -251,7 +293,7 @@ modest_ui_dimming_rules_on_mark_as_read_msg (ModestWindow *win, gpointer user_da
 
        /* Check dimmed rule */ 
        if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
        if (!dimmed) 
                dimmed = _selected_msg_marked_as (win, flags, FALSE);
        
@@ -270,7 +312,7 @@ modest_ui_dimming_rules_on_mark_as_unread_msg (ModestWindow *win, gpointer user_
 
        /* Check dimmed rule */ 
        if (!dimmed)
-               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE);
+               dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
        if (!dimmed) 
                dimmed = _selected_msg_marked_as (win, flags, TRUE);
 
@@ -318,7 +360,7 @@ modest_ui_dimming_rules_on_main_window_move_to (ModestWindow *win, gpointer user
        /* 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);
+                       dimmed = _invalid_msg_selected (MODEST_MAIN_WINDOW(win), FALSE, user_data);
                
        }
 
@@ -395,7 +437,7 @@ _selected_folder_not_writeable (ModestMainWindow *win)
        
        /* 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 && TNY_IS_FOLDER(parent_folder)))
                return TRUE;
        
        /* Check dimmed rule */ 
@@ -425,6 +467,37 @@ _selected_folder_is_root (ModestMainWindow *win)
        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)))
+               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_any_of_type (ModestMainWindow *win,
                                 TnyFolderType types[], 
@@ -445,7 +518,7 @@ _selected_folder_is_any_of_type (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)))
                return TRUE;
        
        /* Check folder type */
@@ -486,7 +559,8 @@ _folder_is_any_of_type (TnyFolder *folder,
 
 static gboolean
 _invalid_msg_selected (ModestMainWindow *win,
-                      gboolean unique) 
+                      gboolean unique,
+                      ModestDimmingRule *rule) 
 {
        GtkWidget *header_view = NULL;          
        GtkWidget *folder_view = NULL;
@@ -494,6 +568,7 @@ _invalid_msg_selected (ModestMainWindow *win,
        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),
@@ -507,11 +582,16 @@ _invalid_msg_selected (ModestMainWindow *win,
        selected_headers = modest_header_view_get_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)
+       if (!result) {
+               result = ((selected_headers == NULL) || 
+                         (GTK_WIDGET_HAS_FOCUS (folder_view)));
+               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"));
+       }
+
        /* free */
        if (selected_headers != NULL) 
                g_object_unref (selected_headers);