GNOME.org
 

[gnome-photos] Add PhotosFacebookItem

commit e3f3fe436790907e55a4796f70953f951e6d8026
Author: Álvaro Peña <alvaropg gmail com>
Date:   Thu Nov 28 18:30:54 2013 +0100

    Add PhotosFacebookItem
    
    Fixes: https://bugzilla.gnome.org/700451

 configure.ac               |    2 +
 src/Makefile.am            |    4 +
 src/photos-facebook-item.c |  267 ++++++++++++++++++++++++++++++++++++++++++++
 src/photos-facebook-item.h |   77 +++++++++++++
 4 files changed, 350 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f8dc531..fb33eb1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,7 @@ AC_SUBST(LIBM)
 GLIB_GSETTINGS
 
 EXEMPI_MIN_VERSION=1.99.5
+GFBGRAPH_MIN_VERSION=0.2.1
 GLIB_MIN_VERSION=2.35.1
 GOA_MIN_VERSION=3.8.0
 GRILO_MIN_VERSION=0.2.6
@@ -85,6 +86,7 @@ PKG_CHECK_MODULES(CAIRO, [cairo cairo-gobject])
 AC_DEFINE([HAVE_CAIRO_GOBJECT], [], [We want gegl-gtk to use the cairo-gobject code path])
 
 PKG_CHECK_MODULES(EXEMPI, [exempi-2.0 >= $EXEMPI_MIN_VERSION])
+PKG_CHECK_MODULES(GFBGRAPH, [libgfbgraph-0.2 >= $GFBGRAPH_MIN_VERSION])
 PKG_CHECK_MODULES(GEGL, [gegl-0.2])
 PKG_CHECK_MODULES(GDK_PIXBUF, [gdk-pixbuf-2.0])
 PKG_CHECK_MODULES(GLIB, [glib-2.0 >= $GLIB_MIN_VERSION])
diff --git a/src/Makefile.am b/src/Makefile.am
index 2cc64a3..93a0d1f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -90,6 +90,8 @@ gnome_photos_SOURCES = \
        photos-empty-results-box.h \
        photos-error-box.c \
        photos-error-box.h \
+       photos-facebook-item.c \
+       photos-facebook-item.h \
        photos-fetch-collection-state-job.c \
        photos-fetch-collection-state-job.h \
        photos-fetch-collections-job.c \
@@ -225,6 +227,7 @@ AM_CPPFLAGS = \
        $(CAIRO_CFLAGS) \
        $(EXEMPI_CFLAGS) \
        $(GDK_PIXBUF_CFLAGS) \
+       $(GFBGRAPH_CFLAGS) \
        $(GEGL_CFLAGS) \
        $(GIO_CFLAGS) \
        $(GLIB_CFLAGS) \
@@ -248,6 +251,7 @@ gnome_photos_LDADD = \
        $(CAIRO_LIBS) \
        $(EXEMPI_LIBS) \
        $(GDK_PIXBUF_LIBS) \
+       $(GFBGRAPH_LIBS) \
        $(GEGL_LIBS) \
        $(GIO_LIBS) \
        $(GLIB_LIBS) \
diff --git a/src/photos-facebook-item.c b/src/photos-facebook-item.c
new file mode 100644
index 0000000..d62ae5c
--- /dev/null
+++ b/src/photos-facebook-item.c
@@ -0,0 +1,267 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2013 Álvaro Peña
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+
+#include "config.h"
+
+#include <gfbgraph/gfbgraph.h>
+#include <gfbgraph/gfbgraph-goa-authorizer.h>
+#include <gio/gio.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <goa/goa.h>
+#include <libgnome-desktop/gnome-desktop-thumbnail.h>
+
+#include "photos-facebook-item.h"
+#include "photos-source.h"
+#include "photos-source-manager.h"
+#include "photos-utils.h"
+
+
+struct _PhotosFacebookItemPrivate
+{
+  PhotosBaseManager *src_mngr;
+};
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (PhotosFacebookItem, photos_facebook_item, PHOTOS_TYPE_BASE_ITEM);
+
+
+static GFBGraphPhoto *
+photos_facebook_get_gfbgraph_photo (PhotosBaseItem *item, GCancellable *cancellable, GError **error)
+{
+  PhotosFacebookItemPrivate *priv = PHOTOS_FACEBOOK_ITEM (item)->priv;
+  PhotosSource *source;
+  const gchar *identifier, *resource_urn;
+  GFBGraphGoaAuthorizer *authorizer;
+  GFBGraphPhoto *photo;
+
+  resource_urn = photos_base_item_get_resource_urn (item);
+  source = PHOTOS_SOURCE (photos_base_manager_get_object_by_id (priv->src_mngr, resource_urn));
+  authorizer = gfbgraph_goa_authorizer_new (photos_source_get_goa_object (source));
+  identifier = photos_base_item_get_identifier (item) + strlen("facebook:");
+
+  gfbgraph_authorizer_refresh_authorization (GFBGRAPH_AUTHORIZER (authorizer), cancellable, error);
+
+  photo = gfbgraph_photo_new_from_id (GFBGRAPH_AUTHORIZER (authorizer), identifier, error);
+
+  return photo;
+}
+
+
+static gboolean
+photos_facebook_item_create_thumbnail (PhotosBaseItem *item, GCancellable *cancellable, GError **error)
+{
+  GFBGraphPhoto *photo;
+  const GFBGraphPhotoImage *thumbnail_image;
+  gchar *local_path, *local_dir;
+  GFile *local_file, *remote_file;
+  gboolean ret_val = FALSE;
+
+  photo = photos_facebook_get_gfbgraph_photo (item, cancellable, error);
+  if (photo == NULL)
+    {
+      g_error ("Can't get the photo from the Facebook Graph\n");
+    }
+  else
+    {
+    thumbnail_image = gfbgraph_photo_get_image_near_width (photo, photos_utils_get_icon_size ());
+    if (thumbnail_image == NULL)
+      {
+        g_error ("Can't get a photo size to create the thumbnail.\n");
+      }
+    else
+      {
+        remote_file = g_file_new_for_uri (thumbnail_image->source);
+
+        local_path = gnome_desktop_thumbnail_path_for_uri (photos_base_item_get_uri (item),
+                                                           GNOME_DESKTOP_THUMBNAIL_SIZE_NORMAL);
+        local_file = g_file_new_for_path (local_path);
+        local_dir = g_path_get_dirname (local_path);
+        g_mkdir_with_parents (local_dir, 0700);
+
+        g_debug ("Downloading %s from Facebook to %s",
+                 thumbnail_image->source, local_path);
+        if (g_file_copy (remote_file,
+                         local_file,
+                         G_FILE_COPY_ALL_METADATA | G_FILE_COPY_OVERWRITE,
+                         cancellable,
+                         NULL,
+                         NULL,
+                         error))
+          ret_val = TRUE;
+
+        g_free (local_path);
+        g_free (local_dir);
+        g_clear_object (&local_file);
+        g_clear_object (&remote_file);
+      }
+    }
+
+  return ret_val;
+}
+
+
+static gchar *
+photos_facebook_item_download (PhotosBaseItem *item, GCancellable *cancellable, GError **error)
+{
+  GFBGraphPhoto *photo;
+  const GFBGraphPhotoImage *higher_image;
+  const gchar *identifier;
+  gchar *local_dir, *filename, *local_filename;
+  GFile *local_file, *remote_file;
+
+  photo = photos_facebook_get_gfbgraph_photo (item, cancellable, error);
+  if (photo == NULL)
+    {
+      g_error ("Can't get the photo from the Facebook Graph\n");
+    }
+  else
+    {
+      higher_image = gfbgraph_photo_get_image_hires (photo);
+      if (higher_image == NULL)
+        {
+          g_error ("Cant' get the higher photo size from Facebook.\n");
+        }
+      else
+        {
+          remote_file = g_file_new_for_uri (higher_image->source);
+
+          /* Local path */
+          local_dir = g_build_filename (g_get_user_cache_dir (), PACKAGE_TARNAME, "facebook", NULL);
+          g_mkdir_with_parents (local_dir, 0700);
+
+          /* Local filename */
+          identifier = photos_base_item_get_identifier (item) + strlen("facebook:photos:");
+          filename = g_strdup_printf ("%s.jpeg", identifier);
+          local_filename = g_build_filename (local_dir, filename, NULL);
+
+          local_file = g_file_new_for_path (local_filename);
+
+          g_debug ("Downloading %s from Facebook to %s", higher_image->source, local_filename);
+          if (!g_file_copy (remote_file,
+                            local_file,
+                            G_FILE_COPY_ALL_METADATA | G_FILE_COPY_OVERWRITE,
+                            cancellable,
+                            NULL,
+                            NULL,
+                            error))
+            g_warning ("Failed downloading %s from Facebook to %s\n", higher_image->source, local_filename);
+
+          g_free (filename);
+          g_free (local_dir);
+          g_clear_object (&local_file);
+          g_clear_object (&remote_file);
+        }
+
+      g_clear_object (&photo);
+    }
+
+  return local_filename;
+}
+
+
+static const gchar *
+photos_facebook_item_get_source_name (PhotosBaseItem *item)
+{
+  return _("Facebook");
+}
+
+
+/* TODO */
+static void
+photos_facebook_item_open (PhotosBaseItem *item, GdkScreen *screen, guint32 timestamp)
+{
+  GError *error;
+  const gchar *facebook_uri;
+
+  facebook_uri = photos_base_item_get_uri (item);
+
+  error = NULL;
+  gtk_show_uri (screen, facebook_uri, timestamp, &error);
+  if (error != NULL)
+    {
+      g_warning ("Unable to show URI %s: %s", facebook_uri, error->message);
+      g_error_free (error);
+    }
+}
+
+
+static void
+photos_facebook_item_constructed (GObject *object)
+{
+  PhotosFacebookItem *self = PHOTOS_FACEBOOK_ITEM (object);
+
+  G_OBJECT_CLASS (photos_facebook_item_parent_class)->constructed (object);
+
+  photos_base_item_set_default_app_name (PHOTOS_BASE_ITEM (self), _("Facebook"));
+}
+
+
+static void
+photos_facebook_item_dispose (GObject *object)
+{
+  PhotosFacebookItem *self = PHOTOS_FACEBOOK_ITEM (object);
+
+  g_clear_object (&self->priv->src_mngr);
+
+  G_OBJECT_CLASS (photos_facebook_item_parent_class)->dispose (object);
+}
+
+
+static void
+photos_facebook_item_init (PhotosFacebookItem *self)
+{
+  PhotosFacebookItemPrivate *priv;
+
+  self->priv = photos_facebook_item_get_instance_private (self);
+  priv = self->priv;
+
+  priv->src_mngr = photos_source_manager_dup_singleton ();
+}
+
+
+static void
+photos_facebook_item_class_init (PhotosFacebookItemClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  PhotosBaseItemClass *base_item_class = PHOTOS_BASE_ITEM_CLASS (class);
+
+  object_class->constructed= photos_facebook_item_constructed;
+  object_class->dispose = photos_facebook_item_dispose;
+  base_item_class->create_thumbnail = photos_facebook_item_create_thumbnail;
+  base_item_class->download = photos_facebook_item_download;
+  base_item_class->get_source_name = photos_facebook_item_get_source_name;
+  base_item_class->open = photos_facebook_item_open;
+}
+
+
+PhotosBaseItem *
+photos_facebook_item_new (TrackerSparqlCursor *cursor)
+{
+  return g_object_new (PHOTOS_TYPE_FACEBOOK_ITEM,
+                       "cursor", cursor,
+                       "failed-thumbnailing", FALSE,
+                       NULL);
+}
diff --git a/src/photos-facebook-item.h b/src/photos-facebook-item.h
new file mode 100644
index 0000000..5157a46
--- /dev/null
+++ b/src/photos-facebook-item.h
@@ -0,0 +1,77 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2013 Álvaro Peña
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+#ifndef PHOTOS_FACEBOOK_ITEM_H
+#define PHOTOS_FACEBOOK_ITEM_H
+
+#include <tracker-sparql.h>
+
+#include "photos-base-item.h"
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_FACEBOOK_ITEM (photos_facebook_item_get_type ())
+
+#define PHOTOS_FACEBOOK_ITEM(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+   PHOTOS_TYPE_FACEBOOK_ITEM, PhotosFacebookItem))
+
+#define PHOTOS_FACEBOOK_ITEM_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+   PHOTOS_TYPE_FACEBOOK_ITEM, PhotosFacebookItemClass))
+
+#define PHOTOS_IS_FACEBOOK_ITEM(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+   PHOTOS_TYPE_FACEBOOK_ITEM))
+
+#define PHOTOS_IS_FACEBOOK_ITEM_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+   PHOTOS_TYPE_FACEBOOK_ITEM))
+
+#define PHOTOS_FACEBOOK_ITEM_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+   PHOTOS_TYPE_FACEBOOK_ITEM, PhotosFacebookItemClass))
+
+typedef struct _PhotosFacebookItem        PhotosFacebookItem;
+typedef struct _PhotosFacebookItemClass   PhotosFacebookItemClass;
+typedef struct _PhotosFacebookItemPrivate PhotosFacebookItemPrivate;
+
+struct _PhotosFacebookItem
+{
+  PhotosBaseItem parent_instance;
+  PhotosFacebookItemPrivate *priv;
+};
+
+struct _PhotosFacebookItemClass
+{
+  PhotosBaseItemClass parent_class;
+};
+
+GType               photos_facebook_item_get_type           (void) G_GNUC_CONST;
+
+PhotosBaseItem     *photos_facebook_item_new                (TrackerSparqlCursor *cursor);
+
+G_END_DECLS
+
+#endif /* PHOTOS_FACEBOOK_ITEM_H */
[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]