[evolution-data-server/openismus-work-master: 33/56] EBookClient: Added "locale" property.



commit 22fa268ae477ec062b47256d8c905dc9fc164460
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Thu May 23 19:56:04 2013 +0900

    EBookClient: Added "locale" property.
    
    Propagate the 'locale' property change notifications when the dbus
    proxy notifies a locale property change, also load the initial value
    of the dbus proxy's locale property for the initial value.

 addressbook/libebook/e-book-client.c |  135 +++++++++++++++++++++++++++++++---
 addressbook/libebook/e-book-client.h |    1 +
 2 files changed, 125 insertions(+), 11 deletions(-)
---
diff --git a/addressbook/libebook/e-book-client.c b/addressbook/libebook/e-book-client.c
index 6428515..722aa64 100644
--- a/addressbook/libebook/e-book-client.c
+++ b/addressbook/libebook/e-book-client.c
@@ -59,6 +59,8 @@ struct _EBookClientPrivate {
 
        gulong dbus_proxy_error_handler_id;
        gulong dbus_proxy_notify_handler_id;
+
+       gchar *locale;
 };
 
 struct _AsyncContext {
@@ -73,6 +75,7 @@ struct _AsyncContext {
 struct _SignalClosure {
        GWeakRef client;
        gchar *property_name;
+       gchar *property_value;
        gchar *error_message;
 };
 
@@ -92,6 +95,14 @@ static void  e_book_client_initable_init
                                        (GInitableIface *interface);
 static void    e_book_client_async_initable_init
                                        (GAsyncInitableIface *interface);
+static void     book_client_set_locale  (EBookClient *client,
+                                        const gchar *locale);
+
+
+enum {
+       PROP_0,
+       PROP_LOCALE
+};
 
 G_DEFINE_TYPE_WITH_CODE (
        EBookClient,
@@ -133,6 +144,7 @@ signal_closure_free (SignalClosure *signal_closure)
        g_weak_ref_set (&signal_closure->client, NULL);
 
        g_free (signal_closure->property_name);
+       g_free (signal_closure->property_value);
        g_free (signal_closure->error_message);
 
        g_slice_free (SignalClosure, signal_closure);
@@ -422,19 +434,29 @@ book_client_emit_backend_property_changed_idle_cb (gpointer user_data)
        if (client != NULL) {
                gchar *prop_value = NULL;
 
-               /* XXX Despite appearances, this function does not block. */
-               e_client_get_backend_property_sync (
-                       client,
-                       signal_closure->property_name,
-                       &prop_value, NULL, NULL);
+               /* Notify that the "locale" property has changed in the calling thread 
+                */
+               if (g_str_equal (signal_closure->property_name, "locale")) {
+                       EBookClient *book_client = E_BOOK_CLIENT (client);
+
+                       book_client_set_locale (book_client, signal_closure->property_value);
+
+               } else {
 
-               if (prop_value != NULL) {
-                       g_signal_emit_by_name (
-                               client,
-                               "backend-property-changed",
+                       /* XXX Despite appearances, this function does not block. */
+                       e_client_get_backend_property_sync (
+                               client,
                                signal_closure->property_name,
-                               prop_value);
-                       g_free (prop_value);
+                               &prop_value, NULL, NULL);
+
+                       if (prop_value != NULL) {
+                               g_signal_emit_by_name (
+                                       client,
+                                       "backend-property-changed",
+                                       signal_closure->property_name,
+                                       prop_value);
+                               g_free (prop_value);
+                       }
                }
 
                g_object_unref (client);
@@ -539,6 +561,10 @@ book_client_dbus_proxy_notify_cb (EDBusAddressBook *dbus_proxy,
                e_client_set_readonly (client, !writable);
        }
 
+       if (g_str_equal (pspec->name, "locale")) {
+               backend_prop_name = "locale";
+       }
+
        if (backend_prop_name != NULL) {
                GSource *idle_source;
                GMainContext *main_context;
@@ -548,6 +574,13 @@ book_client_dbus_proxy_notify_cb (EDBusAddressBook *dbus_proxy,
                g_weak_ref_set (&signal_closure->client, client);
                signal_closure->property_name = g_strdup (backend_prop_name);
 
+               /* The 'locale' is not an EClient property, so just transport
+                * the value directly on the SignalClosure
+                */
+               if (g_str_equal (backend_prop_name, "locale"))
+                       signal_closure->property_value =
+                               e_dbus_address_book_dup_locale (dbus_proxy);
+
                main_context = e_client_ref_main_context (client);
 
                idle_source = g_idle_source_new ();
@@ -649,6 +682,8 @@ book_client_finalize (GObject *object)
        if (priv->name_watcher_id > 0)
                g_bus_unwatch_name (priv->name_watcher_id);
 
+       g_free (priv->locale);
+
        /* Chain up to parent's finalize() method. */
        G_OBJECT_CLASS (e_book_client_parent_class)->finalize (object);
 }
@@ -943,6 +978,9 @@ book_client_init_in_dbus_thread (GSimpleAsyncResult *simple,
        g_object_notify (G_OBJECT (proxy), "writable");
        g_object_notify (G_OBJECT (proxy), "capabilities");
 
+       book_client_set_locale (E_BOOK_CLIENT (client),
+                               e_dbus_address_book_get_locale (priv->dbus_proxy));
+
        g_object_unref (connection);
 }
 
@@ -1013,6 +1051,28 @@ book_client_initable_init_finish (GAsyncInitable *initable,
 }
 
 static void
+book_client_get_property (GObject *object,
+                         guint property_id,
+                         GValue *value,
+                         GParamSpec *pspec)
+{
+       EBookClient *book_client;
+
+       book_client = E_BOOK_CLIENT (object);
+
+       switch (property_id) {
+               case PROP_LOCALE:
+                       g_value_set_string (
+                               value,
+                               book_client->priv->locale);
+                       return;
+
+       }
+
+       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
 e_book_client_class_init (EBookClientClass *class)
 {
        GObjectClass *object_class;
@@ -1023,6 +1083,7 @@ e_book_client_class_init (EBookClientClass *class)
        object_class = G_OBJECT_CLASS (class);
        object_class->dispose = book_client_dispose;
        object_class->finalize = book_client_finalize;
+       object_class->get_property = book_client_get_property;
 
        client_class = E_CLIENT_CLASS (class);
        client_class->get_dbus_proxy = book_client_get_dbus_proxy;
@@ -1030,6 +1091,17 @@ e_book_client_class_init (EBookClientClass *class)
        client_class->set_backend_property_sync = book_client_set_backend_property_sync;
        client_class->open_sync = book_client_open_sync;
        client_class->refresh_sync = book_client_refresh_sync;
+
+       g_object_class_install_property (
+               object_class,
+               PROP_LOCALE,
+               g_param_spec_string (
+                       "locale",
+                       NULL,
+                       NULL,
+                       NULL,
+                       G_PARAM_READABLE |
+                       G_PARAM_STATIC_STRINGS));
 }
 
 static void
@@ -1048,7 +1120,12 @@ e_book_client_async_initable_init (GAsyncInitableIface *interface)
 static void
 e_book_client_init (EBookClient *client)
 {
+       const gchar *default_locale;
+
        client->priv = E_BOOK_CLIENT_GET_PRIVATE (client);
+
+       default_locale = setlocale (LC_COLLATE, NULL);
+       client->priv->locale = g_strdup (default_locale);
 }
 
 /**
@@ -3645,3 +3722,39 @@ e_book_client_get_view_sync (EBookClient *client,
        return success;
 }
 
+static void
+book_client_set_locale (EBookClient *client,
+                       const gchar *locale)
+{
+       if (g_strcmp0 (client->priv->locale, locale) != 0) {
+               g_free (client->priv->locale);
+               client->priv->locale = g_strdup (locale);
+               
+               g_object_notify (G_OBJECT (client), "locale");
+       }
+}
+
+/**
+ * e_book_client_get_locale:
+ * @client: an #EBookClient
+ *
+ * Reports the locale in use for @client. The addressbook might sort contacts
+ * in different orders, or store and compare phone numbers in different ways
+ * depending on the currently set locale.
+ *
+ * Locales can change dynamically if systemd decides to change the locale, so
+ * it's important to listen for notifications on the #EBookClient:locale property
+ * if you depend on sorted result lists. Ordered results should be reloaded
+ * after a locale change is detected.
+ *
+ * Returns: (transfer none): The currently set locale for @client
+ *
+ * Since: 3.10
+ */
+const gchar *
+e_book_client_get_locale (EBookClient *client)
+{
+       g_return_val_if_fail (E_IS_BOOK_CLIENT (client), NULL);
+
+       return client->priv->locale;
+}
diff --git a/addressbook/libebook/e-book-client.h b/addressbook/libebook/e-book-client.h
index fbd7ff1..d4f72fa 100644
--- a/addressbook/libebook/e-book-client.h
+++ b/addressbook/libebook/e-book-client.h
@@ -282,6 +282,7 @@ gboolean    e_book_client_get_view_sync     (EBookClient *client,
                                                 EBookClientView **out_view,
                                                 GCancellable *cancellable,
                                                 GError **error);
+const gchar    *e_book_client_get_locale        (EBookClient *client);
 
 #ifndef EDS_DISABLE_DEPRECATED
 /**


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