[evolution-data-server/openismus-work-master: 83/134] Changes for Review: Various changes



commit 79f194c0cc9fc672e3091109f3969a7eceb49a6f
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Sat Oct 5 01:57:31 2013 +0200

    Changes for Review: Various changes
    
    Some bug fixes and API changes, localized error messages.

 addressbook/libedata-book/e-data-book-cursor.c |  117 ++++++++++++++----------
 addressbook/libedata-book/e-data-book-cursor.h |   14 ++--
 2 files changed, 74 insertions(+), 57 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book-cursor.c b/addressbook/libedata-book/e-data-book-cursor.c
index 926abc1..142c8fa 100644
--- a/addressbook/libedata-book/e-data-book-cursor.c
+++ b/addressbook/libedata-book/e-data-book-cursor.c
@@ -29,8 +29,10 @@
  * the org.gnome.evolution.dataserver.AddressBookCursor D-Bus interface
  * when instantiated by the addressbook server.
  *
- * Note that if you need to use the cursor API from EDS you should
- * be using the user facing APIs from #EBookClientCursor instead.
+ * <note><para>EDataBookCursor is an implementation detail for backends who wish
+ * to implement cursors. If you need to use the client API to iterate over contacts
+ * stored in Evolution Data Server; you should be using #EBookClientCursor instead.
+ * </para></note>
  *
  * <refsect2 id="cursor-implementing">
  * <title>Implementing Cursors</title>
@@ -172,6 +174,8 @@
 #include <config.h>
 #endif
 
+#include <glib/gi18n.h>
+
 #include "e-data-book-cursor.h"
 #include "e-book-backend.h"
 
@@ -192,17 +196,17 @@ static void e_data_book_cursor_set_property (GObject *object,
                                             GParamSpec *pspec);
 
 /* Private Functions */
-static void     data_book_cursor_set_values   (EDataBookCursor  *cursor,
-                                              gint              total,
-                                              gint              position);
-static gboolean data_book_cursor_compare      (EDataBookCursor  *cursor,
-                                              EContact         *contact,
-                                              gint             *result,
-                                              gboolean         *matches_sexp);
-static void     calculate_move_by_position    (EDataBookCursor  *cursor,
-                                              EBookCursorOrigin origin,
-                                              gint              count,
-                                              gint              results);
+static void     data_book_cursor_set_values      (EDataBookCursor  *cursor,
+                                                 gint              total,
+                                                 gint              position);
+static gboolean data_book_cursor_compare_contact (EDataBookCursor  *cursor,
+                                                 EContact         *contact,
+                                                 gint             *result,
+                                                 gboolean         *matches_sexp);
+static void     calculate_move_by_position       (EDataBookCursor  *cursor,
+                                                 EBookCursorOrigin origin,
+                                                 gint              count,
+                                                 gint              results);
 
 /* D-Bus callbacks */
 static gboolean data_book_cursor_handle_move_by              (EDBusAddressBookCursor *dbus_object,
@@ -422,18 +426,18 @@ data_book_cursor_set_values (EDataBookCursor *cursor,
 }
 
 static gboolean
-data_book_cursor_compare (EDataBookCursor     *cursor,
-                         EContact            *contact,
-                         gint                *result,
-                         gboolean            *matches_sexp)
+data_book_cursor_compare_contact (EDataBookCursor     *cursor,
+                                 EContact            *contact,
+                                 gint                *result,
+                                 gboolean            *matches_sexp)
 {
-       if (!E_DATA_BOOK_CURSOR_GET_CLASS (cursor)->compare)
+       if (!E_DATA_BOOK_CURSOR_GET_CLASS (cursor)->compare_contact)
                return FALSE;
 
        g_object_ref (cursor);
-       *result = (* E_DATA_BOOK_CURSOR_GET_CLASS (cursor)->compare) (cursor,
-                                                                     contact,
-                                                                     matches_sexp);
+       *result = (* E_DATA_BOOK_CURSOR_GET_CLASS (cursor)->compare_contact) (cursor,
+                                                                             contact,
+                                                                             matches_sexp);
        g_object_unref (cursor);
 
        return TRUE;
@@ -597,13 +601,23 @@ data_book_cursor_handle_dispose (EDBusAddressBookCursor *dbus_object,
                                 EDataBookCursor        *cursor)
 {
        EDataBookCursorPrivate *priv = cursor->priv;
+       GError *error = NULL;
 
        /* The backend will release the cursor, just make sure that
         * we survive long enough to complete this method call
         */
        g_object_ref (cursor);
-       e_book_backend_delete_cursor (priv->backend, cursor);
+
+       /* This should never really happen, but if it does, there is no
+        * we cannot expect the client to recover well from an error at
+        * dispose time, so let's just log the warning.
+        */
+       if (!e_book_backend_delete_cursor (priv->backend, cursor, &error)) {
+               g_warning ("Error trying to delete cursor: %s", error->message);
+               g_clear_error (&error);
+       }
        e_dbus_address_book_cursor_complete_dispose (dbus_object, invocation);
+
        g_object_unref (cursor);
 
        return TRUE;
@@ -688,7 +702,7 @@ e_data_book_cursor_set_sexp (EDataBookCursor     *cursor,
                             GError             **error)
 {
        GError *local_error = NULL;
-       gboolean success;
+       gboolean success = FALSE;
 
        g_return_val_if_fail (E_IS_DATA_BOOK_CURSOR (cursor), FALSE);
 
@@ -699,20 +713,22 @@ e_data_book_cursor_set_sexp (EDataBookCursor     *cursor,
                                                                               sexp,
                                                                               error);
 
-               /* We already set the new search expression, we can't fail anymore so just fire a warning */
-               if (!e_data_book_cursor_recalculate (cursor, &local_error)) {
-                       g_warning ("Failed to recalculate the cursor value "
-                                  "after setting the search expression: %s",
-                                  local_error->message);
-                       g_clear_error (&local_error);
-               }
-
        } else {
-               g_set_error (error,
-                            E_CLIENT_ERROR,
-                            E_CLIENT_ERROR_NOT_SUPPORTED,
-                            "Cursor does not support setting the search expression");
-               success = FALSE;
+               g_set_error_literal (error,
+                                    E_CLIENT_ERROR,
+                                    E_CLIENT_ERROR_NOT_SUPPORTED,
+                                    _("Cursor does not support setting the search expression"));
+       }
+
+       /* We already set the new search expression,
+        * we can't fail anymore so just fire a warning
+        */
+       if (success &&
+           !e_data_book_cursor_recalculate (cursor, &local_error)) {
+               g_warning ("Failed to recalculate the cursor value "
+                          "after setting the search expression: %s",
+                          local_error->message);
+               g_clear_error (&local_error);
        }
 
        g_object_unref (cursor);
@@ -770,10 +786,10 @@ e_data_book_cursor_move_by (EDataBookCursor     *cursor,
        g_return_val_if_fail (E_IS_DATA_BOOK_CURSOR (cursor), FALSE);
 
        if (!E_DATA_BOOK_CURSOR_GET_CLASS (cursor)->move_by) {
-               g_set_error (error,
-                            E_CLIENT_ERROR,
-                            E_CLIENT_ERROR_NOT_SUPPORTED,
-                            "Cursor does not support moves");
+               g_set_error_literal (error,
+                                    E_CLIENT_ERROR,
+                                    E_CLIENT_ERROR_NOT_SUPPORTED,
+                                    _("Cursor does not support moves"));
                return FALSE;
        }
 
@@ -808,8 +824,9 @@ e_data_book_cursor_move_by (EDataBookCursor     *cursor,
  * @locale: the locale in which @index is expected to be a valid alphabetic index
  * @error: (out) (allow-none): return location for a #GError, or %NULL
  *
- * Sets the current cursor position to point to an index into the
- * alphabet active in @locale.
+ * Sets the @cursor position to an
+ * <link linkend="cursor-alphabet">Alphabetic Index</link>
+ * into the alphabet active in the @locale of the addressbook.
  *
  * After setting the target to an alphabetic index, for example the
  * index for letter 'E', then further calls to e_data_book_cursor_move_by()
@@ -854,10 +871,10 @@ e_data_book_cursor_set_alphabetic_index (EDataBookCursor     *cursor,
                }
 
        } else {
-               g_set_error (error,
-                            E_CLIENT_ERROR,
-                            E_CLIENT_ERROR_NOT_SUPPORTED,
-                            "Cursor does not support alphabetic indexes");
+               g_set_error_literal (error,
+                                    E_CLIENT_ERROR,
+                                    E_CLIENT_ERROR_NOT_SUPPORTED,
+                                    _("Cursor does not support alphabetic indexes"));
                success = FALSE;
        }
 
@@ -967,10 +984,10 @@ e_data_book_cursor_load_locale (EDataBookCursor     *cursor,
                                   local_error->message);
                        g_clear_error (&local_error);
                } else if (!e_data_book_cursor_recalculate (E_DATA_BOOK_CURSOR (cursor),
-                                                           error)) {
+                                                           &local_error)) {
                        g_warning ("Error recalculating cursor position after locale change: %s",
                                   local_error->message);
-                       g_clear_object (&cursor);
+                       g_clear_error (&local_error);
                }
        }
 
@@ -1006,7 +1023,7 @@ e_data_book_cursor_contact_added (EDataBookCursor     *cursor,
 
        priv = cursor->priv;
 
-       if (!data_book_cursor_compare (cursor, contact, &comparison, &matches_sexp)) {
+       if (!data_book_cursor_compare_contact (cursor, contact, &comparison, &matches_sexp)) {
                GError *error = NULL;
 
                /* Comparisons not supported, must recalculate entirely */
@@ -1064,7 +1081,7 @@ e_data_book_cursor_contact_removed (EDataBookCursor     *cursor,
 
        priv = cursor->priv;
 
-       if (!data_book_cursor_compare (cursor, contact, &comparison, &matches_sexp)) {
+       if (!data_book_cursor_compare_contact (cursor, contact, &comparison, &matches_sexp)) {
                GError *error = NULL;
 
                /* Comparisons not supported, must recalculate entirely */
diff --git a/addressbook/libedata-book/e-data-book-cursor.h b/addressbook/libedata-book/e-data-book-cursor.h
index 5950cc6..690c341 100644
--- a/addressbook/libedata-book/e-data-book-cursor.h
+++ b/addressbook/libedata-book/e-data-book-cursor.h
@@ -178,12 +178,12 @@ typedef gboolean (*EDataBookCursorGetPositionFunc) (EDataBookCursor     *cursor,
                                                    GError             **error);
 
 /**
- * EDataBookCursorCompareFunc:
+ * EDataBookCursorCompareContactFunc:
  * @cursor: an #EDataBookCursor
  * @contact: the #EContact to compare with @cursor
  * @matches_sexp: (out) (allow-none): return location to set whether @contact matched @cursor's search 
expression
  *
- * Method type for #EDataBookCursorClass.compare()
+ * Method type for #EDataBookCursorClass.compare_contact()
  *
  * Cursor implementations should implement this in order to compare a
  * contact with the current cursor state.
@@ -200,9 +200,9 @@ typedef gboolean (*EDataBookCursorGetPositionFunc) (EDataBookCursor     *cursor,
  *
  * Since: 3.10
  */
-typedef gint (*EDataBookCursorCompareFunc) (EDataBookCursor     *cursor,
-                                           EContact            *contact,
-                                           gboolean            *matches_sexp);
+typedef gint (*EDataBookCursorCompareContactFunc) (EDataBookCursor     *cursor,
+                                                  EContact            *contact,
+                                                  gboolean            *matches_sexp);
 
 /**
  * EDataBookCursorLoadLocaleFunc:
@@ -250,7 +250,7 @@ struct _EDataBookCursor {
  * @move_by: The #EDataBookCursorMoveByFunc delegate to navigate the cursor
  * @set_alphabetic_index: The #EDataBookCursorSetAlphabetIndexFunc delegate to set the alphabetic position
  * @get_position: The #EDataBookCursorGetPositionFunc delegate to calculate the current total and position 
values
- * @compare: The #EDataBookCursorCompareFunc delegate to compare an #EContact with the the cursor position
+ * @compare_contact: The #EDataBookCursorCompareContactFunc delegate to compare an #EContact with the the 
cursor position
  * @load_locale: The #EDataBookCursorLoadLocaleFunc delegate used to reload the locale setting
  *
  * Methods to implement on an #EDataBookCursor concrete class.
@@ -266,7 +266,7 @@ struct _EDataBookCursorClass {
        EDataBookCursorMoveByFunc move_by;
        EDataBookCursorSetAlphabetIndexFunc set_alphabetic_index;
        EDataBookCursorGetPositionFunc get_position;
-       EDataBookCursorCompareFunc compare;
+       EDataBookCursorCompareContactFunc compare_contact;
        EDataBookCursorLoadLocaleFunc load_locale;
 };
 


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