[gnome-photos/wip/rishi/collection: 38/39] fetch-metas-job, utils: Use BaseItem API instead of the SparqlCursor



commit 209bcc6ab15487cbae61b96c7f9e6505e4bebf2e
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jan 24 20:42:28 2018 +0100

    fetch-metas-job, utils: Use BaseItem API instead of the SparqlCursor
    
    A subsequent patch will directly use the BaseItem to query the
    GFileInfo, instead of creating a GFile out of the URI. This is a step
    in that direction.
    
    It's also better to not do the same thing, parsing the
    TrackerSparqlCursor in this case, in subtly different ways through
    different code paths.

 po/POTFILES.in               |  1 -
 src/photos-fetch-metas-job.c | 36 +++++++++++++++++++++++++-----------
 src/photos-utils.c           | 35 ++++++++++++-----------------------
 src/photos-utils.h           |  5 +----
 4 files changed, 38 insertions(+), 39 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index f890ca5b..7859510e 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -14,7 +14,6 @@ src/photos-export-dialog.ui
 src/photos-export-dialog.c
 src/photos-export-notification.c
 src/photos-facebook-item.c
-src/photos-fetch-metas-job.c
 src/photos-flickr-item.c
 src/photos-google-item.c
 src/photos-help-overlay.ui
diff --git a/src/photos-fetch-metas-job.c b/src/photos-fetch-metas-job.c
index 845149d0..fcf88f18 100644
--- a/src/photos-fetch-metas-job.c
+++ b/src/photos-fetch-metas-job.c
@@ -26,12 +26,14 @@
 #include <string.h>
 
 #include <glib.h>
-#include <glib/gi18n.h>
 #include <gio/gio.h>
 #include <tracker-sparql.h>
 
 #include "photos-create-collection-icon-job.h"
+#include "photos-base-item.h"
 #include "photos-fetch-metas-job.h"
+#include "photos-filterable.h"
+#include "photos-item-manager.h"
 #include "photos-query.h"
 #include "photos-single-item-job.h"
 #include "photos-utils.h"
@@ -41,6 +43,7 @@ struct _PhotosFetchMetasJob
 {
   GObject parent_instance;
   GList *metas;
+  PhotosBaseManager *item_mngr;
   PhotosFetchMetasJobCallback callback;
   gchar **ids;
   gpointer user_data;
@@ -146,12 +149,12 @@ photos_fetch_metas_job_executed (GObject *source_object, GAsyncResult *res, gpoi
   PhotosFetchMetasJob *self = PHOTOS_FETCH_METAS_JOB (user_data);
   GError *error = NULL;
   GIcon *icon = NULL;
+  PhotosBaseItem *item = NULL;
   PhotosFetchMeta *meta;
   PhotosSingleItemJob *job = PHOTOS_SINGLE_ITEM_JOB (source_object);
   TrackerSparqlCursor *cursor = NULL;
   gboolean is_collection;
   const gchar *id;
-  const gchar *rdf_type;
   const gchar *title;
 
   cursor = photos_single_item_job_finish (job, res, &error);
@@ -162,17 +165,13 @@ photos_fetch_metas_job_executed (GObject *source_object, GAsyncResult *res, gpoi
       goto out;
     }
 
-  id = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URN, NULL);
-  title = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_TITLE, NULL);
-  rdf_type = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_RDF_TYPE, NULL);
-
-  is_collection = (strstr (rdf_type, "nfo#DataContainer") != NULL);
+  item = photos_item_manager_create_item (PHOTOS_ITEM_MANAGER (self->item_mngr), G_TYPE_NONE, cursor, FALSE);
+  id = photos_filterable_get_id (PHOTOS_FILTERABLE (item));
+  title = photos_base_item_get_name_with_fallback (item);
+  is_collection = photos_base_item_is_collection (item);
 
   if (!is_collection)
-    icon = photos_utils_get_icon_from_cursor (cursor);
-
-  if (title == NULL || title[0] == '\0')
-    title = _("Untitled Photo");
+    icon = photos_utils_get_icon_from_item (item);
 
   meta = photos_fetch_meta_new (icon, id, title);
 
@@ -187,10 +186,22 @@ photos_fetch_metas_job_executed (GObject *source_object, GAsyncResult *res, gpoi
  out:
   g_clear_object (&cursor);
   g_clear_object (&icon);
+  g_clear_object (&item);
   g_object_unref (self);
 }
 
 
+static void
+photos_fetch_metas_job_dispose (GObject *object)
+{
+  PhotosFetchMetasJob *self = PHOTOS_FETCH_METAS_JOB (object);
+
+  g_clear_object (&self->item_mngr);
+
+  G_OBJECT_CLASS (photos_fetch_metas_job_parent_class)->dispose (object);
+}
+
+
 static void
 photos_fetch_metas_job_finalize (GObject *object)
 {
@@ -232,6 +243,7 @@ photos_fetch_metas_job_class_init (PhotosFetchMetasJobClass *class)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (class);
 
+  object_class->dispose = photos_fetch_metas_job_dispose;
   object_class->finalize = photos_fetch_metas_job_finalize;
   object_class->set_property = photos_fetch_metas_job_set_property;
 
@@ -290,6 +302,8 @@ photos_fetch_metas_job_run (PhotosFetchMetasJob *self,
   self->user_data = user_data;
   self->active_jobs = g_strv_length (self->ids);
 
+  g_set_object (&self->item_mngr, state->item_mngr);
+
   for (i = 0; self->ids[i] != NULL; i++)
     {
       PhotosSingleItemJob *job;
diff --git a/src/photos-utils.c b/src/photos-utils.c
index b1817775..549ee1b2 100644
--- a/src/photos-utils.c
+++ b/src/photos-utils.c
@@ -462,15 +462,14 @@ photos_utils_get_thumbnail_icon (const gchar *uri)
 
 
 GIcon *
-photos_utils_get_icon_from_cursor (TrackerSparqlCursor *cursor)
+photos_utils_get_icon_from_item (PhotosBaseItem *item)
 {
   GIcon *icon = NULL;
   gboolean is_remote = FALSE;
   const gchar *identifier;
   const gchar *mime_type;
-  const gchar *rdf_type;
 
-  identifier = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_IDENTIFIER, NULL);
+  identifier = photos_base_item_get_identifier (item);
   if (identifier != NULL)
     {
       if (g_str_has_prefix (identifier, "facebook:") ||
@@ -483,24 +482,28 @@ photos_utils_get_icon_from_cursor (TrackerSparqlCursor *cursor)
     {
       const gchar *uri;
 
-      uri = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_URI, NULL);
-      if (uri != NULL)
+      uri = photos_base_item_get_uri (item);
+      if (uri != NULL && uri[0] != '\0')
         icon = photos_utils_get_thumbnail_icon (uri);
     }
 
   if (icon != NULL)
     goto out;
 
-  mime_type = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_MIME_TYPE, NULL);
+  mime_type = photos_base_item_get_mime_type (item);
   if (mime_type != NULL)
     icon = g_content_type_get_icon (mime_type);
 
   if (icon != NULL)
     goto out;
 
-  rdf_type = tracker_sparql_cursor_get_string (cursor, PHOTOS_QUERY_COLUMNS_RDF_TYPE, NULL);
-  if (rdf_type != NULL)
-    icon = photos_utils_icon_from_rdf_type (rdf_type);
+  if (photos_base_item_is_collection (item))
+    {
+      gint size;
+
+      size = photos_utils_get_icon_size ();
+      icon = photos_utils_create_collection_icon (size, NULL);
+    }
 
   if (icon != NULL)
     goto out;
@@ -1250,20 +1253,6 @@ photos_utils_get_version (void)
 }
 
 
-GIcon *
-photos_utils_icon_from_rdf_type (const gchar *type)
-{
-  GIcon *ret_val = NULL;
-  gint size;
-
-  size = photos_utils_get_icon_size ();
-  if (strstr (type, "nfo#DataContainer") != NULL)
-    ret_val = photos_utils_create_collection_icon (size, NULL);
-
-  return ret_val;
-}
-
-
 void
 photos_utils_list_box_header_func (GtkListBoxRow *row, GtkListBoxRow *before, gpointer user_data)
 {
diff --git a/src/photos-utils.h b/src/photos-utils.h
index fad7c0d1..e5aec5e1 100644
--- a/src/photos-utils.h
+++ b/src/photos-utils.h
@@ -30,7 +30,6 @@
 #include <gio/gio.h>
 #include <glib.h>
 #include <gtk/gtk.h>
-#include <tracker-sparql.h>
 
 #include "photos-base-item.h"
 #include "photos-base-manager.h"
@@ -82,7 +81,7 @@ gboolean         photos_utils_create_thumbnail            (GFile *file,
 
 GVariant        *photos_utils_create_zoom_target_value    (gdouble delta, PhotosZoomEvent event);
 
-GIcon           *photos_utils_get_icon_from_cursor        (TrackerSparqlCursor *cursor);
+GIcon           *photos_utils_get_icon_from_item          (PhotosBaseItem *item);
 
 gdouble          photos_utils_get_zoom_delta              (GVariant *dictionary);
 
@@ -165,8 +164,6 @@ GList           *photos_utils_get_urns_from_items         (GList *items);
 
 const gchar     *photos_utils_get_version                 (void);
 
-GIcon           *photos_utils_icon_from_rdf_type          (const gchar *type);
-
 void             photos_utils_list_box_header_func        (GtkListBoxRow *row,
                                                            GtkListBoxRow *before,
                                                            gpointer user_data);


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