[nautilus] files-view: add setting for always show delete permanently

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 0e5f6710df593de3455fe0e8b1509cdf2fb55bbe
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Nov 25 23:21:22 2015 +0100

    files-view: add setting for always show delete permanently
    
    Maintenance is not that much as long as we don't show
    it in any UI, and was requested by several people.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757375

 libnautilus-private/nautilus-global-preferences.h  |    3 +++
 .../org.gnome.nautilus.gschema.xml.in              |    5 +++++
 src/nautilus-files-view.c                          |   16 ++++++++++++++++
 .../ui/nautilus-files-view-context-menus.ui        |    5 +++++
 4 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/libnautilus-private/nautilus-global-preferences.h 
b/libnautilus-private/nautilus-global-preferences.h
index ffe1b76..af59b3f 100644
--- a/libnautilus-private/nautilus-global-preferences.h
+++ b/libnautilus-private/nautilus-global-preferences.h
@@ -162,6 +162,9 @@ typedef enum
 /* Switch to list view while searching */
 #define NAUTILUS_PREFERENCES_LIST_VIEW_ON_SEARCH "list-view-on-search"
 
+/* Context menu options */
+#define NAUTILUS_PREFERENCES_SHOW_DELETE_PERMANENTLY "show-delete-permanently"
+
 void nautilus_global_preferences_init                      (void);
 char *nautilus_global_preferences_get_default_folder_viewer_preference_as_iid (void);
 
diff --git a/libnautilus-private/org.gnome.nautilus.gschema.xml.in 
b/libnautilus-private/org.gnome.nautilus.gschema.xml.in
index c6cf481..113ba59 100644
--- a/libnautilus-private/org.gnome.nautilus.gschema.xml.in
+++ b/libnautilus-private/org.gnome.nautilus.gschema.xml.in
@@ -75,6 +75,11 @@
       <_summary>Whether to enable recursive search or not</_summary>
       <_description>Enables or disables recursive search in Nautilus.</_description>
     </key>
+    <key name="show-delete-permanently" type="b">
+      <default>false</default>
+      <_summary>Whether to show a context menu item to delete permanently</_summary>
+      <_description>If set to true Nautilus will show a delete permanently context menu item to bypass the 
trash.</_description>
+    </key>
     <key name="confirm-trash" type="b">
       <default>true</default>
       <_summary>Whether to ask for confirmation when deleting files, or emptying Trash</_summary>
diff --git a/src/nautilus-files-view.c b/src/nautilus-files-view.c
index cfd4d64..1bf0d3c 100644
--- a/src/nautilus-files-view.c
+++ b/src/nautilus-files-view.c
@@ -5895,6 +5895,11 @@ const GActionEntry view_entries[] = {
          * shortcut. */
         { "delete-permanently-shortcut", action_delete },
         { "delete-permanently-menu-item", action_delete },
+        /* This is only shown when the setting to show always delete permanently
+         * is set and when the common use cases for delete permanently which uses
+         * Delete as a shortcut are not needed. For instance this will be only
+         * present when the setting is true and when it can trash files */
+        { "permanent-delete-permanently-menu-item", action_delete },
         { "remove-from-recent", action_remove_from_recent },
         { "restore-from-trash", action_restore_from_trash},
         { "paste-into", action_paste_files_into },
@@ -6169,6 +6174,7 @@ real_update_actions_state (NautilusFilesView *view)
         gboolean show_start;
         gboolean show_stop;
         gboolean show_detect_media;
+        gboolean settings_show_delete_permanently;
         GDriveStartStopType start_stop_type;
 
         view_action_group = view->details->view_action_group;
@@ -6203,6 +6209,8 @@ real_update_actions_state (NautilusFilesView *view)
                                 selection_count == 1 &&
                                 can_paste_into_file (NAUTILUS_FILE (selection->data)));
         show_properties = !NAUTILUS_IS_DESKTOP_CANVAS_VIEW (view) || selection_count > 0;
+         settings_show_delete_permanently = g_settings_get_boolean (nautilus_preferences,
+                                                                    
NAUTILUS_PREFERENCES_SHOW_DELETE_PERMANENTLY);
 
         /* Right click actions */
         /* Selection menu actions */
@@ -6313,6 +6321,13 @@ real_update_actions_state (NautilusFilesView *view)
                                      !selection_all_in_trash && !selection_contains_recent);
 
         action = g_action_map_lookup_action (G_ACTION_MAP (view_action_group),
+                                             "permanent-delete-permanently-menu-item");
+        g_simple_action_set_enabled (G_SIMPLE_ACTION (action),
+                                     can_delete_files && can_trash_files &&
+                                     settings_show_delete_permanently &&
+                                     !selection_all_in_trash && !selection_contains_recent);
+
+        action = g_action_map_lookup_action (G_ACTION_MAP (view_action_group),
                                              "remove-from-recent");
         g_simple_action_set_enabled (G_SIMPLE_ACTION (action),
                                      selection_contains_recent && selection_count > 0);
@@ -8141,6 +8156,7 @@ nautilus_files_view_init (NautilusFilesView *view)
          * the menu item is available, since we never make both the trash and delete-permanently-menu-item
          * actions active */
         nautilus_application_add_accelerator (app, "view.delete-permanently-menu-item", "Delete");
+        nautilus_application_add_accelerator (app, "view.permanent-delete-permanently-menu-item", 
"<shift>Delete");
         nautilus_application_add_accelerator (app, "view.properties", "<control>i");
         nautilus_application_add_accelerator (app, "view.open-item-location", "<control><alt>o");
         nautilus_application_add_accelerator (app, "view.rename", "F2");
diff --git a/src/resources/ui/nautilus-files-view-context-menus.ui 
b/src/resources/ui/nautilus-files-view-context-menus.ui
index df91fb8..238ac38 100644
--- a/src/resources/ui/nautilus-files-view-context-menus.ui
+++ b/src/resources/ui/nautilus-files-view-context-menus.ui
@@ -171,6 +171,11 @@
         <attribute name="hidden-when">action-disabled</attribute>
       </item>
       <item>
+        <attribute name="label" translatable="yes">_Delete Permanently</attribute>
+        <attribute name="action">view.permanent-delete-permanently-menu-item</attribute>
+        <attribute name="hidden-when">action-disabled</attribute>
+      </item>
+      <item>
         <attribute name="label" translatable="yes">Empty Trash</attribute>
         <attribute name="action">view.empty-trash</attribute>
         <attribute name="hidden-when">action-disabled</attribute>