[gnome-photos/wip/rishi/collection: 34/35] device item

[Debarshi Ray <debarshir src gnome org>]

commit 5d689a4ffd015922fad5c3d5b89e783793156abf
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jan 24 14:37:40 2018 +0100

    device item

 src/photos-device-item.c | 262 ++++++++---------------------------------------
 1 file changed, 42 insertions(+), 220 deletions(-)
---
diff --git a/src/photos-device-item.c b/src/photos-device-item.c
index 49857cfd..9eafec36 100644
--- a/src/photos-device-item.c
+++ b/src/photos-device-item.c
@@ -157,39 +157,6 @@ photos_device_item_create_name_fallback (PhotosBaseItem *item)
 }
 
 
-static gchar *
-photos_device_item_get_pipeline_path (PhotosDeviceItem *self)
-{
-  const gchar *data_dir;
-  const gchar *uri;
-  g_autofree gchar *md5 = NULL;
-  gchar *path;
-
-  uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (self));
-  md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, uri, -1);
-  data_dir = g_get_user_data_dir ();
-
-  path = g_build_filename (data_dir, PACKAGE_TARNAME, "local", md5, NULL);
-
-  return path;
-}
-
-
-static gchar *
-photos_device_item_create_pipeline_path (PhotosBaseItem *item)
-{
-  PhotosDeviceItem *self = PHOTOS_DEVICE_ITEM (item);
-  gchar *path;
-  g_autofree gchar *pipeline_dir = NULL;
-
-  path = photos_device_item_get_pipeline_path (self);
-  pipeline_dir = g_path_get_dirname (path);
-  g_mkdir_with_parents (pipeline_dir, 0700);
-
-  return path;
-}
-
-
 static gboolean
 photos_device_item_create_thumbnail (PhotosBaseItem *item, GCancellable *cancellable, GError **error)
 {
@@ -237,52 +204,41 @@ photos_device_item_create_thumbnail (PhotosBaseItem *item, GCancellable *cancell
 static gchar *
 photos_device_item_download (PhotosBaseItem *item, GCancellable *cancellable, GError **error)
 {
-  const gchar *uri;
-  gchar *path;
-
-  uri = photos_base_item_get_uri (item);
-  path = g_filename_from_uri (uri, NULL, error);
-  return path;
+  g_assert_not_reached ();
+  return NULL;
 }
 
 
 static GtkWidget *
 photos_device_item_get_source_widget (PhotosBaseItem *item)
 {
+  g_autoptr (GFile) file = NULL;
+  g_autoptr (GFile) source_link = NULL;
+  GtkWidget *label;
   GtkWidget *source_widget;
+  const gchar *uri;
+  g_autofree gchar *source_path = NULL;
+  g_autofree gchar *source_uri = NULL;
 
-  if (photos_base_item_is_collection (item))
-    {
-      source_widget = gtk_label_new (_("Local"));
-      gtk_widget_set_halign (source_widget, GTK_ALIGN_START);
-    }
-  else
-    {
-      g_autoptr (GFile) file = NULL;
-      g_autoptr (GFile) source_link = NULL;
-      GtkWidget *label;
-      const gchar *uri;
-      g_autofree gchar *source_path = NULL;
-      g_autofree gchar *source_uri = NULL;
-
-      uri = photos_base_item_get_uri (item);
-      file = g_file_new_for_uri (uri);
-      source_link = g_file_get_parent (file);
-      source_path = g_file_get_path (source_link);
-      source_uri = g_file_get_uri (source_link);
-
-      source_widget = gtk_link_button_new_with_label (source_uri, source_path);
-      gtk_widget_set_halign (source_widget, GTK_ALIGN_START);
-      g_signal_connect_object (source_widget,
-                               "activate-link",
-                               G_CALLBACK (photos_device_item_source_widget_activate_link),
-                               item,
-                               0);
-
-      label = gtk_bin_get_child (GTK_BIN (source_widget));
-      gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
-      gtk_label_set_max_width_chars (GTK_LABEL (label), 40);
-    }
+  g_return_val_if_fail (!photos_base_item_is_collection (item), NULL);
+
+  uri = photos_base_item_get_uri (item);
+  file = g_file_new_for_uri (uri);
+  source_link = g_file_get_parent (file);
+  source_path = g_file_get_path (source_link);
+  source_uri = g_file_get_uri (source_link);
+
+  source_widget = gtk_link_button_new_with_label (source_uri, source_path);
+  gtk_widget_set_halign (source_widget, GTK_ALIGN_START);
+  g_signal_connect_object (source_widget,
+                           "activate-link",
+                           G_CALLBACK (photos_device_item_source_widget_activate_link),
+                           item,
+                           0);
+
+  label = gtk_bin_get_child (GTK_BIN (source_widget));
+  gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
+  gtk_label_set_max_width_chars (GTK_LABEL (label), 40);
 
   return source_widget;
 }
@@ -290,146 +246,21 @@ photos_device_item_get_source_widget (PhotosBaseItem *item)
 
 static gboolean
 photos_device_item_metadata_add_shared (PhotosBaseItem  *item,
-                                       const gchar     *provider_type,
-                                       const gchar     *account_identity,
-                                       const gchar     *shared_id,
-                                       GCancellable    *cancellable,
-                                       GError         **error)
+                                        const gchar     *provider_type,
+                                        const gchar     *account_identity,
+                                        const gchar     *shared_id,
+                                        GCancellable    *cancellable,
+                                        GError         **error)
 {
-  g_autoptr (GVariant) shared_variant = NULL;
-  const GVariantType *tuple_items[] =
-    {
-      G_VARIANT_TYPE_STRING, /* provider-type */
-      G_VARIANT_TYPE_STRING, /* account-identity */
-      G_VARIANT_TYPE_STRING  /* shared-id */
-    };
-  g_autoptr (GVariantType) array_type = NULL;
-  g_autoptr (GVariantType) tuple_type = NULL;
-  GExiv2Metadata *metadata = NULL; /* TODO: Use g_autoptr */
-  gboolean ret_val = FALSE;
-  const gchar *mime_type;
-  const gchar *shared_tag = "Xmp.gnome.photos-shared";
-  const gchar *version_tag = "Xmp.gnome.photos-xmp-version";
-  g_autofree gchar *path = NULL;
-  g_autofree gchar *tuple_type_format = NULL;
-
-  mime_type = photos_base_item_get_mime_type (item);
-  if (g_strcmp0 (mime_type, "image/png") != 0
-      && g_strcmp0 (mime_type, "image/jp2") != 0
-      && g_strcmp0 (mime_type, "image/jpeg") != 0)
-    {
-      ret_val = TRUE;
-      goto out;
-    }
-
-  path = photos_base_item_download (item, cancellable, error);
-  if (path == NULL)
-    goto out;
-
-  metadata = gexiv2_metadata_new ();
-
-  if (!gexiv2_metadata_open_path (metadata, path, error))
-    goto out;
-
-  if (!gexiv2_metadata_set_tag_long (metadata, version_tag, 0))
-    {
-      g_set_error (error, PHOTOS_ERROR, 0, "Failed to update %s", version_tag);
-      goto out;
-    }
-
-  tuple_type = g_variant_type_new_tuple (tuple_items, G_N_ELEMENTS (tuple_items));
-  tuple_type_format = g_variant_type_dup_string (tuple_type);
-
-  array_type = g_variant_type_new_array (tuple_type);
-
-  {
-    g_auto (GVariantBuilder) builder = G_VARIANT_BUILDER_INIT (array_type);
-    g_autofree gchar *shared_string = NULL;
-
-    g_variant_builder_add (&builder, tuple_type_format, provider_type, account_identity, shared_id);
-
-    shared_string = gexiv2_metadata_get_tag_string (metadata, shared_tag);
-    if (shared_string != NULL)
-      {
-        g_autoptr (GVariant) old_shared_variant = NULL;
-        GVariant *child = NULL;
-        GVariantIter iter;
-
-        old_shared_variant = g_variant_parse (array_type, shared_string, NULL, NULL, error);
-        if (old_shared_variant == NULL)
-          goto out;
-
-        g_variant_iter_init (&iter, old_shared_variant);
-        child = g_variant_iter_next_value (&iter);
-        while (child != NULL)
-          {
-            g_variant_builder_add_value (&builder, child);
-            g_variant_unref (child);
-            child = g_variant_iter_next_value (&iter);
-          }
-      }
-
-    shared_variant = g_variant_builder_end (&builder);
-  }
-
-  {
-    g_autofree gchar *shared_string = NULL;
-
-    shared_string = g_variant_print (shared_variant, TRUE);
-    if (!gexiv2_metadata_set_tag_string (metadata, shared_tag, shared_string))
-      {
-        g_set_error (error, PHOTOS_ERROR, 0, "Failed to update %s", shared_tag);
-        goto out;
-      }
-  }
-
-  if (!gexiv2_metadata_save_file (metadata, path, error))
-    goto out;
-
-  ret_val = TRUE;
-
- out:
-  g_clear_object (&metadata);
-  return ret_val;
-}
-
-
-static void
-photos_device_item_trash_finish (GObject *source_object, GAsyncResult *res, gpointer user_data)
-{
-  GFile *file = G_FILE (source_object);
-
-  {
-    g_autoptr (GError) error = NULL;
-
-    if (!g_file_trash_finish (file, res, &error))
-      {
-        if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
-          {
-            PhotosDeviceItem *self = PHOTOS_DEVICE_ITEM (user_data);
-            const gchar *uri;
-
-            uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (self));
-            g_warning ("Unable to trash %s: %s", uri, error->message);
-          }
-      }
-  }
+  g_assert_not_reached ();
+  return FALSE;
 }
 
 
 static void
 photos_device_item_trash (PhotosBaseItem *item)
 {
-  g_autoptr (GFile) file = NULL;
-  const gchar *uri;
-  PhotosDeviceItem *self = PHOTOS_DEVICE_ITEM (item);
-
-  if (photos_base_item_is_collection (item))
-    return;
-
-  uri = photos_base_item_get_uri (item);
-  file = g_file_new_for_uri (uri);
-  g_file_trash_async (file, G_PRIORITY_DEFAULT, self->cancellable, photos_device_item_trash_finish, self);
+  g_assert_not_reached ();
 }
 
 
@@ -437,20 +268,19 @@ static void
 photos_device_item_constructed (GObject *object)
 {
   PhotosDeviceItem *self = PHOTOS_DEVICE_ITEM (object);
-  g_autoptr (GAppInfo) default_app = NULL;
   const gchar *mime_type;
 
   G_OBJECT_CLASS (photos_device_item_parent_class)->constructed (object);
 
   mime_type = photos_base_item_get_mime_type (PHOTOS_BASE_ITEM (self));
-  if (mime_type == NULL)
-    return;
-
-  default_app = g_app_info_get_default_for_type (mime_type, FALSE);
-  if (default_app == NULL)
-    return;
+  if (mime_type != NULL)
+    {
+      g_autoptr (GAppInfo) default_app = NULL;
 
-  photos_base_item_set_default_app (PHOTOS_BASE_ITEM (self), default_app);
+      default_app = g_app_info_get_default_for_type (mime_type, FALSE);
+      if (default_app != NULL)
+        photos_base_item_set_default_app (PHOTOS_BASE_ITEM (self), default_app);
+    }
 }
 
 
@@ -459,12 +289,6 @@ photos_device_item_dispose (GObject *object)
 {
   PhotosDeviceItem *self = PHOTOS_DEVICE_ITEM (object);
 
-  if (self->cancellable != NULL)
-    {
-      g_cancellable_cancel (self->cancellable);
-      g_clear_object (&self->cancellable);
-    }
-
   G_OBJECT_CLASS (photos_device_item_parent_class)->dispose (object);
 }
 
@@ -472,7 +296,6 @@ photos_device_item_dispose (GObject *object)
 static void
 photos_device_item_init (PhotosDeviceItem *self)
 {
-  self->cancellable = g_cancellable_new ();
 }
 
 
@@ -486,7 +309,6 @@ photos_device_item_class_init (PhotosDeviceItemClass *class)
   object_class->dispose = photos_device_item_dispose;
   base_item_class->create_filename_fallback = photos_device_item_create_filename_fallback;
   base_item_class->create_name_fallback = photos_device_item_create_name_fallback;
-  base_item_class->create_pipeline_path = photos_device_item_create_pipeline_path;
   base_item_class->create_thumbnail = photos_device_item_create_thumbnail;
   base_item_class->download = photos_device_item_download;
   base_item_class->get_source_widget = photos_device_item_get_source_widget;