1 files changed, 252 insertions, 0 deletions
diff --git a/modules/contact-photos/e-photo-cache-contact-loader.c b/modules/contact-photos/e-photo-cache-contact-loader.c
new file mode 100644
index 0000000000..122c6b1b5c
--- /dev/null
+++ b/modules/contact-photos/e-photo-cache-contact-loader.c
@@ -0,0 +1,252 @@
+/*
+ * e-photo-cache-contact-loader.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-photo-cache-contact-loader.h"
+
+#include "e-contact-photo-source.h"
+
+#define E_PHOTO_CACHE_CONTACT_LOADER_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_PHOTO_CACHE_CONTACT_LOADER, EPhotoCacheContactLoaderPrivate))
+
+struct _EPhotoCacheContactLoaderPrivate {
+	ESourceRegistry *registry;
+	gulong source_added_handler_id;
+	gulong source_removed_handler_id;
+
+	/* ESource -> EPhotoSource */
+	GHashTable *photo_sources;
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	EPhotoCacheContactLoader,
+	e_photo_cache_contact_loader,
+	E_TYPE_EXTENSION)
+
+static EPhotoCache *
+photo_cache_contact_loader_get_photo_cache (EPhotoCacheContactLoader *loader)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (loader));
+
+	return E_PHOTO_CACHE (extensible);
+}
+
+static void
+photo_cache_contact_loader_add_source (EPhotoCacheContactLoader *loader,
+                                       ESource *source)
+{
+	EPhotoCache *photo_cache;
+	EPhotoSource *photo_source;
+	EClientCache *client_cache;
+
+	photo_cache = photo_cache_contact_loader_get_photo_cache (loader);
+	client_cache = e_photo_cache_ref_client_cache (photo_cache);
+
+	photo_source = e_contact_photo_source_new (client_cache, source);
+	g_hash_table_insert (
+		loader->priv->photo_sources,
+		g_object_ref (source),
+		g_object_ref (photo_source));
+	e_photo_cache_add_photo_source (photo_cache, photo_source);
+	g_object_unref (photo_source);
+
+	g_object_unref (client_cache);
+}
+
+static void
+photo_cache_contact_loader_remove_source (EPhotoCacheContactLoader *loader,
+                                          ESource *source)
+{
+	EPhotoCache *photo_cache;
+	EPhotoSource *photo_source;
+	GHashTable *hash_table;
+
+	photo_cache = photo_cache_contact_loader_get_photo_cache (loader);
+
+	hash_table = loader->priv->photo_sources;
+	photo_source = g_hash_table_lookup (hash_table, source);
+	if (photo_source != NULL) {
+		e_photo_cache_remove_photo_source (photo_cache, photo_source);
+		g_hash_table_remove (hash_table, source);
+	}
+}
+
+static void
+photo_cache_contact_loader_source_added_cb (ESourceRegistry *registry,
+                                            ESource *source,
+                                            EPhotoCacheContactLoader *loader)
+{
+	const gchar *extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
+
+	if (e_source_has_extension (source, extension_name))
+		photo_cache_contact_loader_add_source (loader, source);
+}
+
+static void
+photo_cache_contact_loader_source_removed_cb (ESourceRegistry *registry,
+                                              ESource *source,
+                                              EPhotoCacheContactLoader *loader)
+{
+	const gchar *extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
+
+	if (e_source_has_extension (source, extension_name))
+		photo_cache_contact_loader_remove_source (loader, source);
+}
+
+static void
+photo_cache_contact_loader_dispose (GObject *object)
+{
+	EPhotoCacheContactLoaderPrivate *priv;
+
+	priv = E_PHOTO_CACHE_CONTACT_LOADER_GET_PRIVATE (object);
+
+	if (priv->source_added_handler_id > 0) {
+		g_signal_handler_disconnect (
+			priv->registry,
+			priv->source_added_handler_id);
+		priv->source_added_handler_id = 0;
+	}
+
+	if (priv->source_removed_handler_id > 0) {
+		g_signal_handler_disconnect (
+			priv->registry,
+			priv->source_removed_handler_id);
+		priv->source_removed_handler_id = 0;
+	}
+
+	g_clear_object (&priv->registry);
+
+	g_hash_table_remove_all (priv->photo_sources);
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_photo_cache_contact_loader_parent_class)->
+		dispose (object);
+}
+
+static void
+photo_cache_contact_loader_finalize (GObject *object)
+{
+	EPhotoCacheContactLoaderPrivate *priv;
+
+	priv = E_PHOTO_CACHE_CONTACT_LOADER_GET_PRIVATE (object);
+
+	g_hash_table_destroy (priv->photo_sources);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_photo_cache_contact_loader_parent_class)->
+		finalize (object);
+}
+
+static void
+photo_cache_contact_loader_constructed (GObject *object)
+{
+	EPhotoCacheContactLoader *loader;
+	EPhotoCache *photo_cache;
+	EClientCache *client_cache;
+	ESourceRegistry *registry;
+	GList *list, *link;
+	const gchar *extension_name;
+	gulong handler_id;
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_photo_cache_contact_loader_parent_class)->
+		constructed (object);
+
+	loader = E_PHOTO_CACHE_CONTACT_LOADER (object);
+	photo_cache = photo_cache_contact_loader_get_photo_cache (loader);
+
+	client_cache = e_photo_cache_ref_client_cache (photo_cache);
+	registry = e_client_cache_ref_registry (client_cache);
+
+	extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;
+	list = e_source_registry_list_sources (registry, extension_name);
+
+	for (link = list; link != NULL; link = g_list_next (link)) {
+		ESource *source = E_SOURCE (link->data);
+		photo_cache_contact_loader_add_source (loader, source);
+	}
+
+	g_list_free_full (list, (GDestroyNotify) g_object_unref);
+
+	loader->priv->registry = g_object_ref (registry);
+
+	handler_id = g_signal_connect (
+		registry, "source-added",
+		G_CALLBACK (photo_cache_contact_loader_source_added_cb),
+		loader);
+	loader->priv->source_added_handler_id = handler_id;
+
+	handler_id = g_signal_connect (
+		registry, "source-removed",
+		G_CALLBACK (photo_cache_contact_loader_source_removed_cb),
+		loader);
+	loader->priv->source_removed_handler_id = handler_id;
+
+	g_object_unref (client_cache);
+	g_object_unref (registry);
+}
+
+static void
+e_photo_cache_contact_loader_class_init (EPhotoCacheContactLoaderClass *class)
+{
+	GObjectClass *object_class;
+	EExtensionClass *extension_class;
+
+	g_type_class_add_private (
+		class, sizeof (EPhotoCacheContactLoaderPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->dispose = photo_cache_contact_loader_dispose;
+	object_class->finalize = photo_cache_contact_loader_finalize;
+	object_class->constructed = photo_cache_contact_loader_constructed;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_PHOTO_CACHE;
+}
+
+static void
+e_photo_cache_contact_loader_class_finalize (EPhotoCacheContactLoaderClass *class)
+{
+}
+
+static void
+e_photo_cache_contact_loader_init (EPhotoCacheContactLoader *loader)
+{
+	GHashTable *photo_sources;
+
+	photo_sources = g_hash_table_new_full (
+		(GHashFunc) e_source_hash,
+		(GEqualFunc) e_source_equal,
+		(GDestroyNotify) g_object_unref,
+		(GDestroyNotify) g_object_unref);
+
+	loader->priv = E_PHOTO_CACHE_CONTACT_LOADER_GET_PRIVATE (loader);
+	loader->priv->photo_sources = photo_sources;
+}
+
+void
+e_photo_cache_contact_loader_type_register (GTypeModule *type_module)
+{
+	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+	 *     function, so we have to wrap it with a public function in
+	 *     order to register types from a separate compilation unit. */
+	e_photo_cache_contact_loader_register_type (type_module);
+}
+