static void
comments__read_metadata_ready_cb (GList *file_list,
const char *attributes)
{
GSettings *settings;
gboolean store_metadata_in_files;
GList *scan;
gboolean synchronize;
settings = g_settings_new (GTHUMB_GENERAL_SCHEMA);
store_metadata_in_files = g_settings_get_boolean (settings, PREF_GENERAL_STORE_METADATA_IN_FILES);
g_object_unref (settings);
if (! store_metadata_in_files) {
/* if PREF_GENERAL_STORE_METADATA_IN_FILES is false, avoid to
* synchronize the .comment metadata because the embedded
* metadata is likely to be out-of-date.
* Give priority to the .comment metadata which, if present,
* is the most up-to-date. */
gboolean can_read_embedded_attributes;
can_read_embedded_attributes = gth_main_extension_is_active ("exiv2_tools");
for (scan = file_list; scan; scan = scan->next) {
GthFileData *file_data = scan->data;
/* If PREF_GENERAL_STORE_METADATA_IN_FILES is false and
* there is no comment file then we are reading
* the image metadata for the first time, in this
* case update the .comment metadata with the
* embedded metadata. */
if (g_file_info_get_attribute_boolean (file_data->info, "comment::no-comment-file")) {
if (can_read_embedded_attributes) {
exiv2_update_general_attributes (file_data->info);
gth_comment_update_from_general_attributes (file_data);
}
}
else
gth_comment_update_general_attributes ((GthFileData *) scan->data);
}
}
else {
/* if PREF_GENERAL_STORE_METADATA_IN_FILES is true, update the .comment
* metadata with the embedded metadata.
*/
settings = g_settings_new (GTHUMB_COMMENTS_SCHEMA);
synchronize = g_settings_get_boolean (settings, PREF_COMMENTS_SYNCHRONIZE);
g_object_unref (settings);
if (! synchronize)
return;
for (scan = file_list; scan; scan = scan->next)
gth_comment_update_from_general_attributes ((GthFileData *) scan->data);
}
}
static void
gth_metadata_provider_comment_read (GthMetadataProvider *self,
GthFileData *file_data,
const char *attributes,
GCancellable *cancellable)
{
GthComment *comment;
const char *value;
GPtrArray *categories;
char *comment_time;
comment = gth_comment_new_for_file (file_data->file, cancellable, NULL);
g_file_info_set_attribute_boolean (file_data->info, "comment::no-comment-file", (comment == NULL));
if (comment == NULL)
return;
value = gth_comment_get_note (comment);
if (value != NULL)
g_file_info_set_attribute_string (file_data->info, "comment::note", value);
value = gth_comment_get_caption (comment);
if (value != NULL)
g_file_info_set_attribute_string (file_data->info, "comment::caption", value);
value = gth_comment_get_place (comment);
if (value != NULL)
g_file_info_set_attribute_string (file_data->info, "comment::place", value);
if (gth_comment_get_rating (comment) > 0)
g_file_info_set_attribute_int32 (file_data->info, "comment::rating", gth_comment_get_rating (comment));
else
g_file_info_remove_attribute (file_data->info, "comment::rating");
categories = gth_comment_get_categories (comment);
if (categories->len > 0) {
GthStringList *list;
GthMetadata *metadata;
list = gth_string_list_new_from_ptr_array (categories);
metadata = gth_metadata_new_for_string_list (list);
g_file_info_set_attribute_object (file_data->info, "comment::categories", G_OBJECT (metadata));
g_object_unref (metadata);
g_object_unref (list);
}
else
g_file_info_remove_attribute (file_data->info, "comment::categories");
comment_time = gth_comment_get_time_as_exif_format (comment);
if (comment_time != NULL) {
GTimeVal time_;
char *formatted;
if (_g_time_val_from_exif_date (comment_time, &time_))
formatted = _g_time_val_strftime (&time_, "%x %X");
else
formatted = g_strdup (comment_time);
set_attribute_from_string (file_data->info, "comment::time", comment_time, formatted);
g_free (formatted);
g_free (comment_time);
}
else
g_file_info_remove_attribute (file_data->info, "comment::time");
gth_comment_update_general_attributes (file_data);
g_object_unref (comment);
}
