[evolution] Add contact-photos module.
- From: Matthew Barnes <mbarnes src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution] Add contact-photos module.
- Date: Wed, 24 Apr 2013 01:01:01 +0000 (UTC)
commit 822fcbbd0fa5cfb69d03b689571a20a52c97ae12
Author: Matthew Barnes <mbarnes redhat com>
Date: Sun Apr 21 12:10:59 2013 -0400
Add contact-photos module.
This encapsulates the EContactPhoto look up feature that was previously
built into EPhotoCache. It's now implemented as an EPhotoSource -- one
per address book. One advantage of this implementation is that address
books are now queried concurrently rather than serially.
EPhotoCacheContactLoader is an EPhotoCache extension that takes care of
adding and removing EPhotoSources for available address books.
configure.ac | 1 +
modules/Makefile.am | 1 +
modules/contact-photos/Makefile.am | 30 ++
modules/contact-photos/e-contact-photo-source.c | 432 ++++++++++++++++++++
modules/contact-photos/e-contact-photo-source.h | 73 ++++
.../contact-photos/e-photo-cache-contact-loader.c | 252 ++++++++++++
.../contact-photos/e-photo-cache-contact-loader.h | 66 +++
modules/contact-photos/evolution-contact-photos.c | 40 ++
8 files changed, 895 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 496da14..1524f51 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1637,6 +1637,7 @@ modules/cal-config-local/Makefile
modules/cal-config-weather/Makefile
modules/cal-config-webcal/Makefile
modules/composer-autosave/Makefile
+modules/contact-photos/Makefile
modules/mail-config/Makefile
modules/mailto-handler/Makefile
modules/mdn/Makefile
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 984ad01..048817a 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -42,6 +42,7 @@ SUBDIRS = \
$(CONFIG_WEATHER_DIR) \
cal-config-webcal \
composer-autosave \
+ contact-photos \
itip-formatter \
mail-config \
mailto-handler \
diff --git a/modules/contact-photos/Makefile.am b/modules/contact-photos/Makefile.am
new file mode 100644
index 0000000..83b9344
--- /dev/null
+++ b/modules/contact-photos/Makefile.am
@@ -0,0 +1,30 @@
+module_LTLIBRARIES = module-contact-photos.la
+
+module_contact_photos_la_CPPFLAGS = \
+ $(AM_CPPFLAGS) \
+ -I$(top_srcdir) \
+ -DG_LOG_DOMAIN=\"evolution-contact-photos\" \
+ $(EVOLUTION_DATA_SERVER_CFLAGS) \
+ $(GNOME_PLATFORM_CFLAGS) \
+ $(GTKHTML_CFLAGS) \
+ $(NULL)
+
+module_contact_photos_la_SOURCES = \
+ evolution-contact-photos.c \
+ e-contact-photo-source.c \
+ e-contact-photo-source.h \
+ e-photo-cache-contact-loader.c \
+ e-photo-cache-contact-loader.h \
+ $(NULL)
+
+module_contact_photos_la_LIBADD = \
+ $(top_builddir)/e-util/libeutil.la \
+ $(EVOLUTION_DATA_SERVER_LIBS) \
+ $(GNOME_PLATFORM_LIBS) \
+ $(GTKHTML_LIBS) \
+ $(NULL)
+
+module_contact_photos_la_LDFLAGS = \
+ -module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/contact-photos/e-contact-photo-source.c b/modules/contact-photos/e-contact-photo-source.c
new file mode 100644
index 0000000..b290a21
--- /dev/null
+++ b/modules/contact-photos/e-contact-photo-source.c
@@ -0,0 +1,432 @@
+/*
+ * e-contact-photo-source.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-contact-photo-source.h"
+
+#define E_CONTACT_PHOTO_SOURCE_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_CONTACT_PHOTO_SOURCE, EContactPhotoSourcePrivate))
+
+typedef struct _AsyncContext AsyncContext;
+
+struct _EContactPhotoSourcePrivate {
+ EClientCache *client_cache;
+ ESource *source;
+};
+
+struct _AsyncContext {
+ gchar *query_string;
+ GInputStream *stream;
+ gint priority;
+};
+
+enum {
+ PROP_0,
+ PROP_CLIENT_CACHE,
+ PROP_SOURCE
+};
+
+/* Forward Declarations */
+static void e_contact_photo_source_interface_init
+ (EPhotoSourceInterface *interface);
+
+G_DEFINE_DYNAMIC_TYPE_EXTENDED (
+ EContactPhotoSource,
+ e_contact_photo_source,
+ G_TYPE_OBJECT,
+ 0,
+ G_IMPLEMENT_INTERFACE_DYNAMIC (
+ E_TYPE_PHOTO_SOURCE,
+ e_contact_photo_source_interface_init))
+
+static void
+async_context_free (AsyncContext *async_context)
+{
+ g_free (async_context->query_string);
+ g_clear_object (&async_context->stream);
+
+ g_slice_free (AsyncContext, async_context);
+}
+
+static EContactPhoto *
+contact_photo_source_extract_photo (EContact *contact,
+ gint *out_priority)
+{
+ EContactPhoto *photo;
+
+ photo = e_contact_get (contact, E_CONTACT_PHOTO);
+ *out_priority = G_PRIORITY_HIGH;
+
+ if (photo == NULL) {
+ photo = e_contact_get (contact, E_CONTACT_LOGO);
+ *out_priority = G_PRIORITY_LOW;
+ }
+
+ return photo;
+}
+
+static void
+contact_photo_source_get_photo_thread (GSimpleAsyncResult *simple,
+ GObject *source_object,
+ GCancellable *cancellable)
+{
+ EContactPhotoSource *photo_source;
+ AsyncContext *async_context;
+ EClientCache *client_cache;
+ ESourceRegistry *registry;
+ EClient *client = NULL;
+ ESource *source;
+ GSList *slist = NULL;
+ GSList *slink;
+ GError *error = NULL;
+
+ photo_source = E_CONTACT_PHOTO_SOURCE (source_object);
+ async_context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ client_cache = e_contact_photo_source_ref_client_cache (photo_source);
+ source = e_contact_photo_source_ref_source (photo_source);
+ registry = e_client_cache_ref_registry (client_cache);
+
+ /* Return no result if the source is disabled. */
+ if (!e_source_registry_check_enabled (registry, source))
+ goto exit;
+
+ client = e_client_cache_get_client_sync (
+ client_cache, source,
+ E_SOURCE_EXTENSION_ADDRESS_BOOK,
+ cancellable, &error);
+
+ /* Sanity check. */
+ g_return_if_fail (
+ ((client != NULL) && (error == NULL)) ||
+ ((client == NULL) && (error != NULL)));
+
+ if (error != NULL) {
+ g_simple_async_result_take_error (simple, error);
+ goto exit;
+ }
+
+ e_book_client_get_contacts_sync (
+ E_BOOK_CLIENT (client),
+ async_context->query_string,
+ &slist, cancellable, &error);
+
+ if (error != NULL) {
+ g_warn_if_fail (slist == NULL);
+ g_simple_async_result_take_error (simple, error);
+ goto exit;
+ }
+
+ /* See if any of the contacts have a photo. */
+ for (slink = slist; slink != NULL; slink = g_slist_next (slink)) {
+ EContact *contact = E_CONTACT (slink->data);
+ GInputStream *stream = NULL;
+ EContactPhoto *photo;
+
+ photo = contact_photo_source_extract_photo (
+ contact, &async_context->priority);
+
+ if (photo == NULL)
+ continue;
+
+ /* Stream takes ownership of the inlined data. */
+ if (photo->type == E_CONTACT_PHOTO_TYPE_INLINED) {
+ stream = g_memory_input_stream_new_from_data (
+ photo->data.inlined.data,
+ photo->data.inlined.length,
+ (GDestroyNotify) g_free);
+ photo->data.inlined.data = NULL;
+ photo->data.inlined.length = 0;
+
+ } else {
+ GFileInputStream *file_stream;
+ GFile *file;
+
+ file = g_file_new_for_uri (photo->data.uri);
+
+ /* Disregard errors and proceed as
+ * though the contact has no photo. */
+
+ /* XXX Return type should have been GInputStream. */
+ file_stream = g_file_read (file, cancellable, NULL);
+ if (file_stream != NULL)
+ stream = G_INPUT_STREAM (file_stream);
+
+ g_object_unref (file);
+ }
+
+ e_contact_photo_free (photo);
+
+ /* Stop on the first input stream. */
+ if (stream != NULL) {
+ async_context->stream = g_object_ref (stream);
+ g_object_unref (stream);
+ break;
+ }
+ }
+
+ g_slist_free_full (slist, (GDestroyNotify) g_object_unref);
+
+exit:
+ g_clear_object (&client_cache);
+ g_clear_object (®istry);
+ g_clear_object (&client);
+ g_clear_object (&source);
+}
+
+static void
+contact_photo_source_set_client_cache (EContactPhotoSource *photo_source,
+ EClientCache *client_cache)
+{
+ g_return_if_fail (E_IS_CLIENT_CACHE (client_cache));
+ g_return_if_fail (photo_source->priv->client_cache == NULL);
+
+ photo_source->priv->client_cache = g_object_ref (client_cache);
+}
+
+static void
+contact_photo_source_set_source (EContactPhotoSource *photo_source,
+ ESource *source)
+{
+ g_return_if_fail (E_IS_SOURCE (source));
+ g_return_if_fail (photo_source->priv->source == NULL);
+
+ photo_source->priv->source = g_object_ref (source);
+}
+
+static void
+contact_photo_source_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_CLIENT_CACHE:
+ contact_photo_source_set_client_cache (
+ E_CONTACT_PHOTO_SOURCE (object),
+ g_value_get_object (value));
+ return;
+
+ case PROP_SOURCE:
+ contact_photo_source_set_source (
+ E_CONTACT_PHOTO_SOURCE (object),
+ g_value_get_object (value));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+contact_photo_source_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ switch (property_id) {
+ case PROP_CLIENT_CACHE:
+ g_value_take_object (
+ value,
+ e_contact_photo_source_ref_client_cache (
+ E_CONTACT_PHOTO_SOURCE (object)));
+ return;
+
+ case PROP_SOURCE:
+ g_value_take_object (
+ value,
+ e_contact_photo_source_ref_source (
+ E_CONTACT_PHOTO_SOURCE (object)));
+ return;
+ }
+
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+contact_photo_source_dispose (GObject *object)
+{
+ EContactPhotoSourcePrivate *priv;
+
+ priv = E_CONTACT_PHOTO_SOURCE_GET_PRIVATE (object);
+
+ g_clear_object (&priv->client_cache);
+ g_clear_object (&priv->source);
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (e_contact_photo_source_parent_class)->dispose (object);
+}
+
+static void
+contact_photo_source_get_photo (EPhotoSource *photo_source,
+ const gchar *email_address,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *simple;
+ AsyncContext *async_context;
+ EBookQuery *book_query;
+
+ book_query = e_book_query_field_test (
+ E_CONTACT_EMAIL, E_BOOK_QUERY_IS, email_address);
+
+ async_context = g_slice_new0 (AsyncContext);
+ async_context->query_string = e_book_query_to_string (book_query);
+
+ e_book_query_unref (book_query);
+
+ simple = g_simple_async_result_new (
+ G_OBJECT (photo_source), callback,
+ user_data, contact_photo_source_get_photo);
+
+ g_simple_async_result_set_check_cancellable (simple, cancellable);
+
+ g_simple_async_result_set_op_res_gpointer (
+ simple, async_context, (GDestroyNotify) async_context_free);
+
+ g_simple_async_result_run_in_thread (
+ simple, contact_photo_source_get_photo_thread,
+ G_PRIORITY_DEFAULT, cancellable);
+
+ g_object_unref (simple);
+}
+
+static gboolean
+contact_photo_source_get_photo_finish (EPhotoSource *photo_source,
+ GAsyncResult *result,
+ GInputStream **out_stream,
+ gint *out_priority,
+ GError **error)
+{
+ GSimpleAsyncResult *simple;
+ AsyncContext *async_context;
+
+ g_return_val_if_fail (
+ g_simple_async_result_is_valid (
+ result, G_OBJECT (photo_source),
+ contact_photo_source_get_photo), FALSE);
+
+ simple = G_SIMPLE_ASYNC_RESULT (result);
+ async_context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return FALSE;
+
+ if (async_context->stream != NULL) {
+ *out_stream = g_object_ref (async_context->stream);
+ if (out_priority != NULL)
+ *out_priority = async_context->priority;
+ } else {
+ *out_stream = NULL;
+ }
+
+ return TRUE;
+}
+
+static void
+e_contact_photo_source_class_init (EContactPhotoSourceClass *class)
+{
+ GObjectClass *object_class;
+
+ g_type_class_add_private (class, sizeof (EContactPhotoSourcePrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->set_property = contact_photo_source_set_property;
+ object_class->get_property = contact_photo_source_get_property;
+ object_class->dispose = contact_photo_source_dispose;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_CLIENT_CACHE,
+ g_param_spec_object (
+ "client-cache",
+ "Client Cache",
+ "Cache of shared EClient instances",
+ E_TYPE_CLIENT_CACHE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_SOURCE,
+ g_param_spec_object (
+ "source",
+ "Source",
+ "An address book source",
+ E_TYPE_SOURCE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+e_contact_photo_source_class_finalize (EContactPhotoSourceClass *class)
+{
+}
+
+static void
+e_contact_photo_source_interface_init (EPhotoSourceInterface *interface)
+{
+ interface->get_photo = contact_photo_source_get_photo;
+ interface->get_photo_finish = contact_photo_source_get_photo_finish;
+}
+
+static void
+e_contact_photo_source_init (EContactPhotoSource *photo_source)
+{
+ photo_source->priv = E_CONTACT_PHOTO_SOURCE_GET_PRIVATE (photo_source);
+}
+
+void
+e_contact_photo_source_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_contact_photo_source_register_type (type_module);
+}
+
+EPhotoSource *
+e_contact_photo_source_new (EClientCache *client_cache,
+ ESource *source)
+{
+ g_return_val_if_fail (E_IS_CLIENT_CACHE (client_cache), NULL);
+ g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+
+ return g_object_new (
+ E_TYPE_CONTACT_PHOTO_SOURCE,
+ "client-cache", client_cache,
+ "source", source,
+ NULL);
+}
+
+EClientCache *
+e_contact_photo_source_ref_client_cache (EContactPhotoSource *photo_source)
+{
+ g_return_val_if_fail (E_IS_CONTACT_PHOTO_SOURCE (photo_source), NULL);
+
+ return g_object_ref (photo_source->priv->client_cache);
+}
+
+ESource *
+e_contact_photo_source_ref_source (EContactPhotoSource *photo_source)
+{
+ g_return_val_if_fail (E_IS_CONTACT_PHOTO_SOURCE (photo_source), NULL);
+
+ return g_object_ref (photo_source->priv->source);
+}
+
diff --git a/modules/contact-photos/e-contact-photo-source.h b/modules/contact-photos/e-contact-photo-source.h
new file mode 100644
index 0000000..2720c18
--- /dev/null
+++ b/modules/contact-photos/e-contact-photo-source.h
@@ -0,0 +1,73 @@
+/*
+ * e-contact-photo-source.h
+ *
+ * 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/>
+ *
+ */
+
+#ifndef E_CONTACT_PHOTO_SOURCE_H
+#define E_CONTACT_PHOTO_SOURCE_H
+
+#include <e-util/e-util.h>
+
+/* Standard GObject macros */
+#define E_TYPE_CONTACT_PHOTO_SOURCE \
+ (e_contact_photo_source_get_type ())
+#define E_CONTACT_PHOTO_SOURCE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST \
+ ((obj), E_TYPE_CONTACT_PHOTO_SOURCE, EContactPhotoSource))
+#define E_CONTACT_PHOTO_SOURCE_CLASS(cls) \
+ (G_TYPE_CHECK_CLASS_CAST \
+ ((cls), E_TYPE_CONTACT_PHOTO_SOURCE, EContactPhotoSourceClass))
+#define E_IS_CONTACT_PHOTO_SOURCE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE \
+ ((obj), E_TYPE_CONTACT_PHOTO_SOURCE))
+#define E_IS_CONTACT_PHOTO_SOURCE_CLASS(cls) \
+ (G_TYPE_CHECK_CLASS_TYPE \
+ ((cls), E_TYPE_CONTACT_PHOTO_SOURCE))
+#define E_CONTACT_PHOTO_SOURCE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS \
+ ((obj), E_TYPE_CONTACT_PHOTO_SOURCE, EContactPhotoSourceClass))
+
+G_BEGIN_DECLS
+
+typedef struct _EContactPhotoSource EContactPhotoSource;
+typedef struct _EContactPhotoSourceClass EContactPhotoSourceClass;
+typedef struct _EContactPhotoSourcePrivate EContactPhotoSourcePrivate;
+
+struct _EContactPhotoSource {
+ GObject parent;
+ EContactPhotoSourcePrivate *priv;
+};
+
+struct _EContactPhotoSourceClass {
+ GObjectClass parent_class;
+};
+
+GType e_contact_photo_source_get_type
+ (void) G_GNUC_CONST;
+void e_contact_photo_source_type_register
+ (GTypeModule *type_module);
+EPhotoSource * e_contact_photo_source_new
+ (EClientCache *client_cache,
+ ESource *source);
+EClientCache * e_contact_photo_source_ref_client_cache
+ (EContactPhotoSource *photo_source);
+ESource * e_contact_photo_source_ref_source
+ (EContactPhotoSource *photo_source);
+
+G_END_DECLS
+
+#endif /* E_CONTACT_PHOTO_SOURCE_H */
+
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 0000000..122c6b1
--- /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);
+}
+
diff --git a/modules/contact-photos/e-photo-cache-contact-loader.h
b/modules/contact-photos/e-photo-cache-contact-loader.h
new file mode 100644
index 0000000..3289723
--- /dev/null
+++ b/modules/contact-photos/e-photo-cache-contact-loader.h
@@ -0,0 +1,66 @@
+/*
+ * e-photo-cache-contact-loader.h
+ *
+ * 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/>
+ *
+ */
+
+#ifndef E_PHOTO_CACHE_CONTACT_LOADER_H
+#define E_PHOTO_CACHE_CONTACT_LOADER_H
+
+#include <e-util/e-util.h>
+
+/* Standard GObject macros */
+#define E_TYPE_PHOTO_CACHE_CONTACT_LOADER \
+ (e_photo_cache_contact_loader_get_type ())
+#define E_PHOTO_CACHE_CONTACT_LOADER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST \
+ ((obj), E_TYPE_PHOTO_CACHE_CONTACT_LOADER, EPhotoCacheContactLoader))
+#define E_PHOTO_CACHE_CONTACT_LOADER_CLASS(cls) \
+ (G_TYPE_CHECK_CLASS_CAST \
+ ((cls), E_TYPE_PHOTO_CACHE_CONTACT_LOADER, EPhotoCacheContactLoaderClass))
+#define E_IS_PHOTO_CACHE_CONTACT_LOADER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE \
+ ((obj), E_TYPE_PHOTO_CACHE_CONTACT_LOADER))
+#define E_IS_PHOTO_CACHE_CONTACT_LOADER_CLASS(cls) \
+ (G_TYPE_CHECK_CLASS_TYPE \
+ ((cls), E_TYPE_PHOTO_CACHE_CONTACT_LOADER))
+#define E_PHOTO_CACHE_CONTACT_LOADER_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS \
+ ((obj), E_TYPE_PHOTO_CACHE_CONTACT_LOADER, EPhotoCacheContactLoaderClass))
+
+G_BEGIN_DECLS
+
+typedef struct _EPhotoCacheContactLoader EPhotoCacheContactLoader;
+typedef struct _EPhotoCacheContactLoaderClass EPhotoCacheContactLoaderClass;
+typedef struct _EPhotoCacheContactLoaderPrivate EPhotoCacheContactLoaderPrivate;
+
+struct _EPhotoCacheContactLoader {
+ EExtension parent;
+ EPhotoCacheContactLoaderPrivate *priv;
+};
+
+struct _EPhotoCacheContactLoaderClass {
+ EExtensionClass parent_class;
+};
+
+GType e_photo_cache_contact_loader_get_type
+ (void) G_GNUC_CONST;
+void e_photo_cache_contact_loader_type_register
+ (GTypeModule *type_module);
+
+G_END_DECLS
+
+#endif /* E_PHOTO_CACHE_CONTACT_LOADER_H */
+
diff --git a/modules/contact-photos/evolution-contact-photos.c
b/modules/contact-photos/evolution-contact-photos.c
new file mode 100644
index 0000000..2ab6f04
--- /dev/null
+++ b/modules/contact-photos/evolution-contact-photos.c
@@ -0,0 +1,40 @@
+/*
+ * evolution-module-contact-photos.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 <gmodule.h>
+#include <glib-object.h>
+
+#include "e-contact-photo-source.h"
+#include "e-photo-cache-contact-loader.h"
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+ e_contact_photo_source_type_register (type_module);
+ e_photo_cache_contact_loader_type_register (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}
+
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