[libgdata/wip/rishi/drive: 8/8] documents: Add support for paging through Drive v2 file lists



commit c11be25d4a23bfe200dff3e0186d4d1ff838eb0a
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Apr 23 14:47:30 2015 +0200

    documents: Add support for paging through Drive v2 file lists
    
    The server does not offer a ‘previous’ URI.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=684920

 gdata/services/documents/gdata-documents-feed.c |   17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)
---
diff --git a/gdata/services/documents/gdata-documents-feed.c b/gdata/services/documents/gdata-documents-feed.c
index 16cd147..2fcf381 100644
--- a/gdata/services/documents/gdata-documents-feed.c
+++ b/gdata/services/documents/gdata-documents-feed.c
@@ -123,10 +123,23 @@ get_kind_and_mime_type (JsonReader *reader, gchar **out_kind, gchar **out_mime_t
 static gboolean
 parse_json (GDataParsable *parsable, JsonReader *reader, gpointer user_data, GError **error)
 {
+       gboolean success = TRUE;
+       gchar *next_uri = NULL;
+
        /* JSON format: https://developers.google.com/drive/v2/reference/files/list */
 
-       if (g_strcmp0 (json_reader_get_member_name (reader), "items") == 0) {
-               gboolean success = TRUE;
+       if (gdata_parser_string_from_json_member (reader, "nextLink", P_DEFAULT, &next_uri, &success, error) 
== TRUE) {
+               if (success && next_uri != NULL && next_uri[0] != '\0') {
+                       GDataLink *_link;
+
+                       _link = gdata_link_new (next_uri, "http://www.iana.org/assignments/relation/next";);
+                       _gdata_feed_add_link (GDATA_FEED (parsable), _link);
+                       g_object_unref (_link);
+               }
+
+               g_free (next_uri);
+               return success;
+       } else if (g_strcmp0 (json_reader_get_member_name (reader), "items") == 0) {
                guint i, elements;
 
                if (json_reader_is_array (reader) == FALSE) {


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