[evolution-data-server/account-mgmt: 11/43] Add built-in ESource key files.



commit 7e1427acb323f4b695683a06797f0969add9fb14
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Nov 27 10:25:32 2010 -0500

    Add built-in ESource key files.

 configure.ac                                       |    1 +
 data/Makefile.am                                   |    2 +
 data/sources/Makefile.am                           |   37 ++
 data/sources/birthdays.in                          |   11 +
 data/sources/caldav-stub.in                        |    5 +
 data/sources/contacts-stub.in                      |    5 +
 data/sources/google-stub.in                        |    5 +
 data/sources/ldap-stub.in                          |    5 +
 data/sources/local-stub.in                         |    7 +
 data/sources/local.in                              |    9 +
 data/sources/sendmail.in                           |    8 +
 data/sources/system-address-book.in                |    9 +
 data/sources/system-calendar.in                    |   11 +
 data/sources/system-memo-list.in                   |   11 +
 data/sources/system-task-list.in                   |   11 +
 data/sources/vfolder.in                            |    9 +
 data/sources/weather-stub.in                       |    5 +
 data/sources/webcal-stub.in                        |    5 +
 data/sources/webdav-stub.in                        |    5 +
 .../libedataserver/libedataserver-sections.txt     |    3 +
 libedataserver/e-source-alarms.c                   |    2 +-
 libedataserver/e-source-authentication.c           |    6 +-
 libedataserver/e-source-authenticator.c            |    9 +-
 libedataserver/e-source-backend.c                  |    2 +-
 libedataserver/e-source-camel.c                    |   69 +++-
 libedataserver/e-source-collection.c               |    2 +-
 libedataserver/e-source-goa.c                      |    2 +-
 libedataserver/e-source-mail-account.c             |    2 +-
 libedataserver/e-source-mail-composition.c         |   11 +-
 libedataserver/e-source-mail-identity.c            |   10 +-
 libedataserver/e-source-mail-signature.c           |   37 +-
 libedataserver/e-source-mail-submission.c          |    5 +-
 libedataserver/e-source-refresh.c                  |    6 +-
 libedataserver/e-source-registry.c                 |  413 +++++++++++++++-----
 libedataserver/e-source-registry.h                 |   15 +
 libedataserver/e-source-security.c                 |    2 +-
 libedataserver/e-source-selectable.c               |    2 +-
 libedataserver/e-source-smime.c                    |    9 +-
 libedataserver/e-source-webdav.c                   |   10 +-
 libedataserver/e-source.c                          |   31 +-
 40 files changed, 642 insertions(+), 167 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 85424c3..36a7f6f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1640,6 +1640,7 @@ camel/tests/misc/Makefile
 camel/tests/smime/Makefile
 camel/camel.pc
 data/Makefile
+data/sources/Makefile
 libebackend/Makefile
 libebackend/libebackend.pc
 libedataserver/Makefile
diff --git a/data/Makefile.am b/data/Makefile.am
index 566afe9..a31232a 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -1,3 +1,5 @@
+SUBDIRS = sources
+
 gsettings_SCHEMAS = \
 	org.gnome.Evolution.DefaultSources.gschema.xml
 
diff --git a/data/sources/Makefile.am b/data/sources/Makefile.am
new file mode 100644
index 0000000..98fb67a
--- /dev/null
+++ b/data/sources/Makefile.am
@@ -0,0 +1,37 @@
+NULL =
+
+# These are non-removable and non-writable.
+ro_sources_in_files = \
+	caldav-stub.in \
+	contacts-stub.in \
+	google-stub.in \
+	ldap-stub.in \
+	local-stub.in \
+	weather-stub.in \
+	webcal-stub.in \
+	webdav-stub.in \
+	$(NULL)
+ro_sources_DATA = $(ro_sources_in_files:.in=)
+
+# These are non-removable, but can be changed
+# and written to the user's sources directory.
+rw_sources_in_files = \
+	birthdays.in \
+	local.in \
+	sendmail.in \
+	system-address-book.in \
+	system-calendar.in \
+	system-memo-list.in \
+	system-task-list.in \
+	vfolder.in \
+	$(NULL)
+rw_sources_DATA = $(rw_sources_in_files:.in=)
+
+%: %.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*.po)
+	LC_ALL=C $(INTLTOOL_MERGE) -d -u -c $(top_builddir)/po/.intltool-merge-cache $(top_srcdir)/po $< $@
+
+EXTRA_DIST = $(ro_sources_in_files) $(rw_sources_in_files)
+
+CLEANFILES = $(ro_sources_DATA) $(rw_sources_DATA)
+
+-include $(top_srcdir)/git.mk
diff --git a/data/sources/birthdays.in b/data/sources/birthdays.in
new file mode 100644
index 0000000..7f90f94
--- /dev/null
+++ b/data/sources/birthdays.in
@@ -0,0 +1,11 @@
+
+[Data Source]
+_DisplayName=Birthdays & Anniversaries
+Enabled=true
+Parent=contacts-stub
+
+[Calendar]
+BackendName=contacts
+Color=#fed4d3
+Enabled=true
+Writable=false
diff --git a/data/sources/caldav-stub.in b/data/sources/caldav-stub.in
new file mode 100644
index 0000000..90081a3
--- /dev/null
+++ b/data/sources/caldav-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=CalDAV
+Enabled=true
+Parent=
diff --git a/data/sources/contacts-stub.in b/data/sources/contacts-stub.in
new file mode 100644
index 0000000..f2bcb97
--- /dev/null
+++ b/data/sources/contacts-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=Contacts
+Enabled=true
+Parent=
diff --git a/data/sources/google-stub.in b/data/sources/google-stub.in
new file mode 100644
index 0000000..93de6f1
--- /dev/null
+++ b/data/sources/google-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=Google
+Enabled=true
+Parent=
diff --git a/data/sources/ldap-stub.in b/data/sources/ldap-stub.in
new file mode 100644
index 0000000..9c5e324
--- /dev/null
+++ b/data/sources/ldap-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=On LDAP Servers
+Enabled=true
+Parent=
diff --git a/data/sources/local-stub.in b/data/sources/local-stub.in
new file mode 100644
index 0000000..bad02f0
--- /dev/null
+++ b/data/sources/local-stub.in
@@ -0,0 +1,7 @@
+# An unfortunate name collision with the "On This Computer"
+# mail store forced the introduction of this "stub" suffix.
+
+[Data Source]
+_DisplayName=On This Computer
+Enabled=true
+Parent=
diff --git a/data/sources/local.in b/data/sources/local.in
new file mode 100644
index 0000000..1c38384
--- /dev/null
+++ b/data/sources/local.in
@@ -0,0 +1,9 @@
+# Special built-in mail store.
+
+[Data Source]
+_DisplayName=On This Computer
+Enabled=true
+Parent=
+
+[Mail Account]
+BackendName=maildir
diff --git a/data/sources/sendmail.in b/data/sources/sendmail.in
new file mode 100644
index 0000000..ce825cb
--- /dev/null
+++ b/data/sources/sendmail.in
@@ -0,0 +1,8 @@
+
+[Data Source]
+_DisplayName=Sendmail
+Enabled=true
+Parent=
+
+[Mail Transport]
+BackendName=sendmail
diff --git a/data/sources/system-address-book.in b/data/sources/system-address-book.in
new file mode 100644
index 0000000..f1cea75
--- /dev/null
+++ b/data/sources/system-address-book.in
@@ -0,0 +1,9 @@
+
+[Data Source]
+_DisplayName=Personal
+Enabled=true
+Parent=local-stub
+
+[Address Book]
+BackendName=local
+Color=#becedd
diff --git a/data/sources/system-calendar.in b/data/sources/system-calendar.in
new file mode 100644
index 0000000..ffbe161
--- /dev/null
+++ b/data/sources/system-calendar.in
@@ -0,0 +1,11 @@
+
+[Data Source]
+_DisplayName=Personal
+Enabled=true
+Parent=local-stub
+
+[Calendar]
+BackendName=local
+Color=#becedd
+Selected=true
+
diff --git a/data/sources/system-memo-list.in b/data/sources/system-memo-list.in
new file mode 100644
index 0000000..f53f0f0
--- /dev/null
+++ b/data/sources/system-memo-list.in
@@ -0,0 +1,11 @@
+
+[Data Source]
+_DisplayName=Personal
+Enabled=true
+Parent=local-stub
+
+[Memo List]
+BackendName=local
+Color=#becedd
+Selected=true
+
diff --git a/data/sources/system-task-list.in b/data/sources/system-task-list.in
new file mode 100644
index 0000000..22f40bc
--- /dev/null
+++ b/data/sources/system-task-list.in
@@ -0,0 +1,11 @@
+
+[Data Source]
+_DisplayName=Personal
+Enabled=true
+Parent=local-stub
+
+[Task List]
+BackendName=local
+Color=#becedd
+Selected=true
+
diff --git a/data/sources/vfolder.in b/data/sources/vfolder.in
new file mode 100644
index 0000000..98a9df4
--- /dev/null
+++ b/data/sources/vfolder.in
@@ -0,0 +1,9 @@
+# Special built-in mail store.
+
+[Data Source]
+_DisplayName=Search Folders
+Enabled=true
+Parent=
+
+[Mail Account]
+BackendName=vfolder
diff --git a/data/sources/weather-stub.in b/data/sources/weather-stub.in
new file mode 100644
index 0000000..e1a549d
--- /dev/null
+++ b/data/sources/weather-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=Weather
+Enabled=true
+Parent=
diff --git a/data/sources/webcal-stub.in b/data/sources/webcal-stub.in
new file mode 100644
index 0000000..178cec1
--- /dev/null
+++ b/data/sources/webcal-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=On The Web
+Enabled=true
+Parent=
diff --git a/data/sources/webdav-stub.in b/data/sources/webdav-stub.in
new file mode 100644
index 0000000..78ec0c4
--- /dev/null
+++ b/data/sources/webdav-stub.in
@@ -0,0 +1,5 @@
+
+[Data Source]
+_DisplayName=WebDAV
+Enabled=true
+Parent=
diff --git a/docs/reference/libedataserver/libedataserver-sections.txt b/docs/reference/libedataserver/libedataserver-sections.txt
index a47647e..977047b 100644
--- a/docs/reference/libedataserver/libedataserver-sections.txt
+++ b/docs/reference/libedataserver/libedataserver-sections.txt
@@ -805,6 +805,9 @@ e_source_registry_commit_source_finish
 e_source_registry_create_source_sync
 e_source_registry_create_source
 e_source_registry_create_source_finish
+e_source_registry_create_multiple_sources_sync
+e_source_registry_create_multiple_sources
+e_source_registry_create_multiple_sources_finish
 e_source_registry_ref_source
 e_source_registry_list_sources
 e_source_registry_find_extension
diff --git a/libedataserver/e-source-alarms.c b/libedataserver/e-source-alarms.c
index e5213b8..ce7e5b5 100644
--- a/libedataserver/e-source-alarms.c
+++ b/libedataserver/e-source-alarms.c
@@ -271,7 +271,7 @@ e_source_alarms_dup_last_notified (ESourceAlarms *extension)
 /**
  * e_source_alarms_set_last_notified:
  * @extension: an #ESourceAlarms
- * @last_notified: an ISO 8601 timestamp, or %NULL
+ * @last_notified: (allow-none): an ISO 8601 timestamp, or %NULL
  *
  * Sets an ISO 8601 formatted timestamp of when the user was last
  * alerted about an upcoming appointment in the calendar described
diff --git a/libedataserver/e-source-authentication.c b/libedataserver/e-source-authentication.c
index 58a7dc2..f8ece63 100644
--- a/libedataserver/e-source-authentication.c
+++ b/libedataserver/e-source-authentication.c
@@ -307,7 +307,7 @@ e_source_authentication_dup_host (ESourceAuthentication *extension)
 /**
  * e_source_authentication_set_host:
  * @extension: an #ESourceAuthentication
- * @host: a host name, or %NULL
+ * @host: (allow-none): a host name, or %NULL
  *
  * Sets the host name used to authenticate to a remote account.
  *
@@ -401,7 +401,7 @@ e_source_authentication_dup_method (ESourceAuthentication *extension)
 /**
  * e_source_authentication_set_method:
  * @extension: an #ESourceAuthentication
- * @method: authentication method, or %NULL
+ * @method: (allow-none): authentication method, or %NULL
  *
  * Sets the authentication method for a remote account.  There are no
  * pre-defined method names; backends are free to set this however they
@@ -535,7 +535,7 @@ e_source_authentication_dup_user (ESourceAuthentication *extension)
 /**
  * e_source_authentication_set_user:
  * @extension: an #ESourceAuthentication
- * @user: a user name, or %NULL
+ * @user: (allow-none): a user name, or %NULL
  *
  * Sets the user name used to authenticate to a remote account.
  *
diff --git a/libedataserver/e-source-authenticator.c b/libedataserver/e-source-authenticator.c
index 45afde5..77bada9 100644
--- a/libedataserver/e-source-authenticator.c
+++ b/libedataserver/e-source-authenticator.c
@@ -142,7 +142,7 @@ e_source_authenticator_default_init (ESourceAuthenticatorInterface *interface)
  * e_source_authenticator_try_password_sync:
  * @auth: an #ESourceAuthenticator
  * @password: a user-provided password
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Attempts to authenticate using @password.
@@ -185,9 +185,10 @@ e_source_authenticator_try_password_sync (ESourceAuthenticator *auth,
  * e_source_authenticator_try_password:
  * @auth: an #ESourceAuthenticator
  * @password: a user-provided password
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asyncrhonously attempts to authenticate using @password.
  *
diff --git a/libedataserver/e-source-backend.c b/libedataserver/e-source-backend.c
index 9b3c311..edfc5d0 100644
--- a/libedataserver/e-source-backend.c
+++ b/libedataserver/e-source-backend.c
@@ -185,7 +185,7 @@ e_source_backend_dup_backend_name (ESourceBackend *extension)
 /**
  * e_source_backend_set_backend_name:
  * @extension: an #ESourceBackend
- * @backend_name: a backend name
+ * @backend_name: (allow-none): a backend name, or %NULL
  *
  * Sets the backend name for @extension.
  *
diff --git a/libedataserver/e-source-camel.c b/libedataserver/e-source-camel.c
index 0ab9f5f..ba8f65a 100644
--- a/libedataserver/e-source-camel.c
+++ b/libedataserver/e-source-camel.c
@@ -122,6 +122,71 @@ G_DEFINE_ABSTRACT_TYPE (
 	e_source_camel,
 	E_TYPE_SOURCE_EXTENSION)
 
+/* XXX A function like this belongs in GObject.  I may yet propose it,
+ *     GParamSpecClass still has some reserved slots.  This fiddles with
+ *     GParamSpec fields that are supposed to be private to GObject, but
+ *     I have no other choice.
+ *
+ * XXX Historical note, originally I tried (ab)using override properties
+ *     in ESourceCamel, which redirected to the equivalent CamelSettings
+ *     property.  Seemed to work at first, and I was proud of my clever
+ *     hack, but it turns out g_object_class_list_properties() excludes
+ *     override properties.  So the ESourceCamel properties were being
+ *     skipped in source_load_from_key_file() (e-source.c). */
+static GParamSpec *
+param_spec_clone (GParamSpec *pspec)
+{
+	GParamSpec *clone;
+	GTypeQuery query;
+
+	/* Query the instance size. */
+	g_type_query (G_PARAM_SPEC_TYPE (pspec), &query);
+
+	/* Start with a memcpy()'d buffer. */
+	clone = g_slice_alloc0 (query.instance_size);
+	memcpy (clone, pspec, query.instance_size);
+
+	/* This sort of mimics g_param_spec_init(). */
+
+#define PARAM_FLOATING_FLAG 0x2  /* from gparam.c */
+	g_datalist_set_flags (&clone->qdata, PARAM_FLOATING_FLAG);
+	clone->ref_count = 1;
+
+	/* Clear the owner_type. */
+	clone->owner_type = G_TYPE_INVALID;
+
+	/* Clear the param_id. */
+	clone->param_id = 0;
+
+	/* This sort of mimics g_param_spec_internal(). */
+
+	/* Param name should already be canonicalized and interned. */
+
+	/* Always copy the nickname. */
+	clone->flags &= ~G_PARAM_STATIC_NICK;
+	clone->_nick = g_strdup (g_param_spec_get_nick (pspec));
+
+	/* Always copy the blurb. */
+	clone->flags &= ~G_PARAM_STATIC_BLURB;
+	clone->_blurb = g_strdup (g_param_spec_get_blurb (pspec));
+
+	/* Handle special cases. */
+
+	if (G_IS_PARAM_SPEC_STRING (clone)) {
+		GParamSpecString *clone_s;
+
+		clone_s = (GParamSpecString *) clone;
+		clone_s->default_value = g_strdup (clone_s->default_value);
+	}
+
+	/* Some types we don't handle but shouldn't need to. */
+	g_warn_if_fail (!G_IS_PARAM_SPEC_VALUE_ARRAY (clone));
+	g_warn_if_fail (!G_IS_PARAM_SPEC_OVERRIDE (clone));
+	g_warn_if_fail (!G_IS_PARAM_SPEC_VARIANT (clone));
+
+	return clone;
+}
+
 static gint
 subclass_get_binding_index (GParamSpec *settings_property)
 {
@@ -248,15 +313,13 @@ source_camel_register_subtype (GType service_type,
 
 	for (ii = 0; ii < n_properties; ii++) {
 		GParamSpec *pspec;
-		const gchar *name;
 
 		/* Some properties in CamelSettings may be covered
 		 * by other ESourceExtensions.  Skip them here. */
 		if (subclass_get_binding_index (properties[ii]) >= 0)
 			continue;
 
-		name = properties[ii]->name;
-		pspec = g_param_spec_override (name, properties[ii]);
+		pspec = param_spec_clone (properties[ii]);
 		pspec->flags |= E_SOURCE_PARAM_SETTING;
 
 		/* Clear the G_PARAM_CONSTRUCT flag.  We apply default
diff --git a/libedataserver/e-source-collection.c b/libedataserver/e-source-collection.c
index 7980878..335c1d5 100644
--- a/libedataserver/e-source-collection.c
+++ b/libedataserver/e-source-collection.c
@@ -270,7 +270,7 @@ e_source_collection_dup_identity (ESourceCollection *extension)
 /**
  * e_source_collection_set_identity:
  * @extension: an #ESourceCollection
- * @identity: the collection identity
+ * @identity: (allow-none): the collection identity, or %NULL
  *
  * Sets the string used to uniquely identify the user account at the
  * service provider.  Often this is an email address or user name.
diff --git a/libedataserver/e-source-goa.c b/libedataserver/e-source-goa.c
index 0555dd9..3514b8c 100644
--- a/libedataserver/e-source-goa.c
+++ b/libedataserver/e-source-goa.c
@@ -197,7 +197,7 @@ e_source_goa_dup_account_id (ESourceGoa *extension)
 /**
  * e_source_goa_set_account_id:
  * @extension: an #ESourceGoa
- * @account_id: the associated GNOME Online Account ID, or %NULL
+ * @account_id: (allow-none): the associated GNOME Online Account ID, or %NULL
  *
  * Sets the identifier string of the GNOME Online Account associated
  * with the #ESource to which @extension belongs.
diff --git a/libedataserver/e-source-mail-account.c b/libedataserver/e-source-mail-account.c
index b7d82af..bcfc565 100644
--- a/libedataserver/e-source-mail-account.c
+++ b/libedataserver/e-source-mail-account.c
@@ -200,7 +200,7 @@ e_source_mail_account_dup_identity_uid (ESourceMailAccount *extension)
 /**
  * e_source_mail_account_set_identity_uid:
  * @extension: an #ESourceMailAccount
- * @identity_uid: the mail identity #ESource:uid, or %NULL
+ * @identity_uid: (allow-none): the mail identity #ESource:uid, or %NULL
  *
  * Sets the #ESource:uid of the #ESource that describes the mail
  * identity to be used for this account.
diff --git a/libedataserver/e-source-mail-composition.c b/libedataserver/e-source-mail-composition.c
index e1d2cc8..61cee77 100644
--- a/libedataserver/e-source-mail-composition.c
+++ b/libedataserver/e-source-mail-composition.c
@@ -317,7 +317,7 @@ e_source_mail_composition_dup_bcc (ESourceMailComposition *extension)
 /**
  * e_source_mail_composition_set_bcc:
  * @extension: an #ESource
- * @bcc: a %NULL-terminated string array of Bcc recipients
+ * @bcc: (allow-none): a %NULL-terminated string array of Bcc recipients
  *
  * Sets the recipients which should automatically be added to the blind
  * carbon-copy (Bcc) list when composing a new mail message.  The recipient
@@ -398,7 +398,7 @@ e_source_mail_composition_dup_cc (ESourceMailComposition *extension)
 /**
  * e_source_mail_composition_set_cc:
  * @extension: an #ESourceMailComposition
- * @cc: a %NULL-terminated string array of Cc recipients
+ * @cc: (allow-none): a %NULL-terminated string array of Cc recipients
  *
  * Sets the recipients which should automatically be added to the carbon
  * copy (Cc) list when composing a new mail message.  The recipient strings
@@ -475,7 +475,8 @@ e_source_mail_composition_dup_drafts_folder (ESourceMailComposition *extension)
 /**
  * e_source_mail_composition_set_drafts_folder:
  * @extension: an #ESourceMailComposition
- * @drafts_folder: an identifier for the preferred drafts folder, or %NULL
+ * @drafts_folder: (allow-none): an identifier for the preferred drafts
+ *                 folder, or %NULL
  *
  * Sets the preferred folder for draft messages by an identifier string.
  * The format of the identifier string is defined by the client application.
@@ -610,8 +611,8 @@ e_source_mail_composition_dup_templates_folder (ESourceMailComposition *extensio
 /**
  * e_source_mail_composition_set_templates_folder:
  * @extension: an #ESourceMailComposition
- * @templates_folder: an identifier for the preferred templates folder,
- *                    or %NULL
+ * @templates_folder: (allow-none): an identifier for the preferred templates
+ *                    folder, or %NULL
  *
  * Sets the preferred folder for message templates by an identifier string.
  * The format of the identifier string is defined by the client application.
diff --git a/libedataserver/e-source-mail-identity.c b/libedataserver/e-source-mail-identity.c
index e4a59ea..2d51ecf 100644
--- a/libedataserver/e-source-mail-identity.c
+++ b/libedataserver/e-source-mail-identity.c
@@ -315,7 +315,7 @@ e_source_mail_identity_dup_address (ESourceMailIdentity *extension)
 /**
  * e_source_mail_identity_set_address:
  * @extension: an #ESourceMailIdentity
- * @address: the sender's email address, or %NULL
+ * @address: (allow-none): the sender's email address, or %NULL
  *
  * Sets the email address for this identity from which to send messages.
  *
@@ -406,7 +406,7 @@ e_source_mail_identity_dup_name (ESourceMailIdentity *extension)
 /**
  * e_source_mail_identity_set_name:
  * @extension: an #ESourceMailIdentity
- * @name: the sender's name, or %NULL
+ * @name: (allow-none): the sender's name, or %NULL
  *
  * Sets the sender's name for this identity.
  *
@@ -501,7 +501,7 @@ e_source_mail_identity_dup_organization (ESourceMailIdentity *extension)
 /**
  * e_source_mail_identity_set_organization:
  * @extension: an #ESourceMailIdentity
- * @organization: the sender's organization, or %NULL
+ * @organization: (allow-none): the sender's organization, or %NULL
  *
  * Sets the sender's organization for this identity.
  *
@@ -593,7 +593,7 @@ e_source_mail_identity_dup_reply_to (ESourceMailIdentity *extension)
 /**
  * e_source_mail_identity_set_reply_to:
  * @extension: an #ESourceMailIdentity
- * @reply_to: the sender's reply-to address, or %NULL
+ * @reply_to: (allow-none): the sender's reply-to address, or %NULL
  *
  * Sets the email address for this identity to which recipients should
  * send replies.
@@ -689,7 +689,7 @@ e_source_mail_identity_dup_signature_uid (ESourceMailIdentity *extension)
 /**
  * e_source_mail_identity_set_signature_uid:
  * @extension: an #ESourceMailIdentity
- * @signature_uid: the sender's signature ID, or %NULL
+ * @signature_uid: (allow-none): the sender's signature ID, or %NULL
  *
  * Sets the #ESource:uid of an #ESource describing a mail signature.
  *
diff --git a/libedataserver/e-source-mail-signature.c b/libedataserver/e-source-mail-signature.c
index 70dbc43..06740a5 100644
--- a/libedataserver/e-source-mail-signature.c
+++ b/libedataserver/e-source-mail-signature.c
@@ -316,7 +316,7 @@ e_source_mail_signature_dup_mime_type (ESourceMailSignature *extension)
 /**
  * e_source_mail_signature_set_mime_type:
  * @extension: an #ESourceMailSignature
- * @mime_type: a MIME type, or %NULL
+ * @mime_type: (allow-none): a MIME type, or %NULL
  *
  * Sets the MIME type of the signature content for @extension.
  *
@@ -385,9 +385,9 @@ source_mail_signature_load_thread (GSimpleAsyncResult *simple,
  * e_source_mail_signature_load_sync:
  * @source: an #ESource
  * @contents: return location for the signature content
- * @length: return location for the length of the signature content,
- *          or %NULL if the length is not needed
- * @cancellable: optional #GCancellable object, or %NULL
+ * @length: (allow-none): return location for the length of the signature
+ *          content, or %NULL if the length is not needed
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Loads a signature from the signature file for @source, which is
@@ -576,9 +576,10 @@ exit:
  * e_source_mail_signature_load:
  * @source: an #ESource
  * @io_priority: the I/O priority of the request
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously loads a signature from the signature file for @source,
  * which is given by e_source_mail_signature_get_file().
@@ -626,8 +627,8 @@ e_source_mail_signature_load (ESource *source,
  * @source: an #ESource
  * @result: a #GAsyncResult
  * @contents: return location for the signature content
- * @length: return location for the length of the signature content,
- *          or %NULL if the length is not needed
+ * @length: (allow-none): return location for the length of the signature
+ *          content, or %NULL if the length is not needed
  * @error: return location for a #GError, or %NULL
  *
  * Finishes an operation started with e_source_mail_signature_load().  The
@@ -699,7 +700,7 @@ source_mail_signature_replace_thread (GSimpleAsyncResult *simple,
  * @source: an #ESource
  * @contents: the signature contents
  * @length: the length of @contents in bytes
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Replaces the signature file for @source with the given @contents
@@ -740,9 +741,10 @@ e_source_mail_signature_replace_sync (ESource *source,
  * @contents: the signature contents
  * @length: the length of @contents in bytes
  * @io_priority: the I/O priority of the request
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchrously replaces the signature file for @source with the given
  * @contents of @length bytes.  The signature file for @source is given
@@ -843,7 +845,7 @@ source_mail_signature_symlink_thread (GSimpleAsyncResult *simple,
  * e_source_mail_signature_symlink_sync:
  * @source: an #ESource
  * @symlink_target: executable filename to link to
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Replaces the signature file for @source with a symbolic link to
@@ -887,9 +889,10 @@ e_source_mail_signature_symlink_sync (ESource *source,
  * @source: an #ESource
  * @symlink_target: executable filename to link to
  * @io_priority: the I/O priority of the request
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously replaces the signature file for @source with a symbolic
  * link to @symlink_target, which should be an executable file that prints
diff --git a/libedataserver/e-source-mail-submission.c b/libedataserver/e-source-mail-submission.c
index 5377c61..07b44ab 100644
--- a/libedataserver/e-source-mail-submission.c
+++ b/libedataserver/e-source-mail-submission.c
@@ -229,7 +229,8 @@ e_source_mail_submission_dup_sent_folder (ESourceMailSubmission *extension)
 /**
  * e_source_mail_submission_set_sent_folder:
  * @extension: an #ESourceMailSubmission
- * @sent_folder: an identifier for the preferred sent folder, or %NULL
+ * @sent_folder: (allow-none): an identifier for the preferred sent folder,
+ *               or %NULL
  *
  * Sets the preferred folder for sent messages by an identifier string.
  * The format of the identifier string is defined by the client application.
@@ -322,7 +323,7 @@ e_source_mail_submission_dup_transport_uid (ESourceMailSubmission *extension)
 /**
  * e_source_mail_submission_set_transport_uid:
  * @extension: an #ESourceMailSubmission
- * @transport_uid: the mail transport #ESource:uid, or %NULL
+ * @transport_uid: (allow-none): the mail transport #ESource:uid, or %NULL
  *
  * Sets the #ESource:uid of the #ESource that describes the mail
  * transport to be used for outgoing messages.
diff --git a/libedataserver/e-source-refresh.c b/libedataserver/e-source-refresh.c
index 9a2c568..7c5fa57 100644
--- a/libedataserver/e-source-refresh.c
+++ b/libedataserver/e-source-refresh.c
@@ -458,10 +458,12 @@ e_source_refresh_set_interval_minutes (ESourceRefresh *extension,
 /**
  * e_source_refresh_add_timeout:
  * @source: an #ESource
- * @context: a #GMainContext (if %NULL, the default context will be used)
+ * @context: (allow-none): a #GMainContext, or %NULL (if %NULL, the default
+ *           context will be used)
  * @callback: function to call on each timeout
  * @user_data: data to pass to @callback
- * @notify: function to call when the timeout is removed, or %NULL
+ * @notify: (allow-none): function to call when the timeout is removed,
+ *          or %NULL
  *
  * This is a simple way to schedule a periodic data source refresh.
  *
diff --git a/libedataserver/e-source-registry.c b/libedataserver/e-source-registry.c
index de19db3..7e812e2 100644
--- a/libedataserver/e-source-registry.c
+++ b/libedataserver/e-source-registry.c
@@ -112,6 +112,7 @@ struct _ESourceRegistryPrivate {
 };
 
 struct _AsyncContext {
+	GList *input_sources;
 	ESource *input_source;
 	ESource *output_source;
 	ESourceAuthenticator *auth;
@@ -134,8 +135,8 @@ struct _CreateContext {
 	ESourceRegistry *registry;
 	GMainContext *main_context;
 	GMainLoop *main_loop;
-	gchar *object_path;
-	ESource *source;
+	ESource *input_source;
+	ESource *output_source;
 };
 
 struct _SourceClosure {
@@ -190,6 +191,10 @@ G_DEFINE_TYPE_WITH_CODE (
 static void
 async_context_free (AsyncContext *async_context)
 {
+	g_list_free_full (
+		async_context->input_sources,
+		(GDestroyNotify) g_object_unref);
+
 	if (async_context->input_source != NULL)
 		g_object_unref (async_context->input_source);
 
@@ -234,24 +239,21 @@ create_context_new (ESourceRegistry *registry)
 	create_context->main_loop = g_main_loop_new (
 		create_context->main_context, FALSE);
 
-	g_main_context_push_thread_default (create_context->main_context);
-
 	return create_context;
 }
 
 static void
 create_context_free (CreateContext *create_context)
 {
-	g_main_context_pop_thread_default (create_context->main_context);
-
 	g_object_unref (create_context->registry);
 	g_main_context_unref (create_context->main_context);
 	g_main_loop_unref (create_context->main_loop);
 
-	if (create_context->source != NULL)
-		g_object_unref (create_context->source);
+	if (create_context->input_source != NULL)
+		g_object_unref (create_context->input_source);
 
-	g_free (create_context->object_path);
+	if (create_context->output_source != NULL)
+		g_object_unref (create_context->output_source);
 
 	g_slice_free (CreateContext, create_context);
 }
@@ -1261,7 +1263,7 @@ e_source_registry_init (ESourceRegistry *registry)
 
 /**
  * e_source_registry_new_sync:
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Creates a new #ESourceRegistry front-end for the registry D-Bus service.
@@ -1283,9 +1285,10 @@ e_source_registry_new_sync (GCancellable *cancellable,
 
 /**
  * e_source_registry_new:
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously creates a new #ESourceRegistry front-end for the registry
  * D-Bus service.
@@ -1708,7 +1711,7 @@ source_registry_call_authenticate_for_source (ESourceRegistry *registry,
  * @registry: an #ESourceRegistry
  * @source: an #ESource
  * @auth: an #ESourceAuthenticator
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Authenticates @source, using @auth to handle the authentication
@@ -1832,9 +1835,10 @@ exit:
  * @registry: an #ESourceRegistry
  * @source: an #ESource
  * @auth: an #ESourceAuthenticator
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously authenticates @source, using @auth to handle the
  * authentication attempts.  The operation loops until authentication
@@ -1942,8 +1946,9 @@ source_registry_commit_source_thread (GSimpleAsyncResult *simple,
  * e_source_registry_commit_source_sync:
  * @registry: an #ESourceRegistry
  * @input_source: an #ESource with changes to commit
- * @output_source: return location for the committed #ESource, or %NULL
- * @cancellable: optional #GCancellable object, or %NULL
+ * @output_source: (allow-none): return location for the committed #ESource,
+ *                 or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for #GError, or %NULL
  *
  * This is a convenience function intended for use with graphical
@@ -2003,9 +2008,10 @@ e_source_registry_commit_source_sync (ESourceRegistry *registry,
  * e_source_registry_commit_source:
  * @registry: an #ESourceRegistry
  * @input_source: an #ESource with changes to commit
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * See e_source_registry_commit_source_sync() for details.
  *
@@ -2049,7 +2055,8 @@ e_source_registry_commit_source (ESourceRegistry *registry,
  * e_source_registry_commit_source_finish:
  * @registry: an #ESourceRegistry
  * @result: a #GAsyncResult
- * @output_source: return location for the committed #ESource, or %NULL
+ * @output_source: (allow-none): return location for the committed #ESource,
+ *                 or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Finishes the operation started with e_source_registry_commit_source().
@@ -2117,18 +2124,11 @@ source_registry_create_idle_cb (gpointer user_data)
 {
 	CreateContext *create_context = user_data;
 
-	/* We should know what object path we're looking for by now. */
-	g_return_val_if_fail (create_context->object_path != NULL, FALSE);
-
-	/* Find the corresponding ESource in the object path table.
-	 * Note that the lookup returns a new ESource reference. */
-	create_context->source =
-		source_registry_object_path_table_lookup (
-		create_context->registry, create_context->object_path);
+	/* If we got here it means we found a matching ESource. */
+	g_return_val_if_fail (create_context->output_source != NULL, FALSE);
 
-	/* If we got a hit, terminate the main loop. */
-	if (create_context->source != NULL)
-		g_main_loop_quit (create_context->main_loop);
+	/* Just need to terminate the main loop. */
+	g_main_loop_quit (create_context->main_loop);
 
 	return FALSE;
 }
@@ -2139,27 +2139,51 @@ source_registry_create_object_added_cb (GDBusObjectManager *object_manager,
                                         GDBusObject *dbus_object,
                                         CreateContext *create_context)
 {
-	GSource *idle_source;
+	ESource *source;
+	const gchar *object_path;
 
-	/* Schedule a callback in response to an object being added.
-	 * Note that we're in the object manager thread here, so we
-	 * want to do as little as possible. */
+	/* Note that we're in the object manager thread here.
+	 * The object manager thread's "object-added" handler
+	 * should have already run.  We depend on it. */
 
-	idle_source = g_idle_source_new ();
-	g_source_set_callback (
-		idle_source,
-		source_registry_create_idle_cb,
-		create_context, (GDestroyNotify) NULL);
-	g_source_attach (idle_source, create_context->main_context);
-	g_source_unref (idle_source);
+	object_path = g_dbus_object_get_object_path (dbus_object);
+	g_return_if_fail (object_path != NULL);
+
+	/* Find the corresponding ESource in the object path table.
+	 * Note that the lookup returns a new ESource reference. */
+	source = source_registry_object_path_table_lookup (
+		create_context->registry, object_path);
+	g_return_if_fail (source != NULL);
+
+	/* Check if this is the source we want based on its UID. */
+	if (e_source_equal (source, create_context->input_source)) {
+		GSource *idle_source;
+
+		create_context->output_source = g_object_ref (source);
+
+		/* Schedule an idle source to quit the main loop.
+		 * We do it this way because the main loop may not
+		 * be running yet, but an idle source will not be
+		 * dispatched until the main loop is running. */
+		idle_source = g_idle_source_new ();
+		g_source_set_callback (
+			idle_source,
+			source_registry_create_idle_cb,
+			create_context, (GDestroyNotify) NULL);
+		g_source_attach (idle_source, create_context->main_context);
+		g_source_unref (idle_source);
+	}
+
+	g_object_unref (source);
 }
 
 /**
  * e_source_registry_create_source_sync:
  * @registry: an #ESourceRegistry
  * @input_source: an #ESource with no #GDBusObject
- * @output_source: return location for a newly-created #ESource, or %NULL
- * @cancellable: optional #GCancellable object, or %NULL
+ * @output_source: (allow-none): return location for a newly-created #ESource,
+ *                 or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Requests the D-Bus service to create a new key file from @input_source
@@ -2184,6 +2208,8 @@ e_source_registry_create_source_sync (ESourceRegistry *registry,
                                       GError **error)
 {
 	CreateContext *create_context;
+	GVariantBuilder builder;
+	GVariant *variant;
 	gulong object_added_id;
 	gchar *source_data;
 	const gchar *uid;
@@ -2203,59 +2229,71 @@ e_source_registry_create_source_sync (ESourceRegistry *registry,
 	 *
 	 *     This is most likely to occur when creating a collection of
 	 *     related sources one at a time and the caller is not careful
-	 *     to create parent sources before children.  Perhaps a method
-	 *     to create the collection in parallel would help to mitigate
-	 *     the deadlock risk?
+	 *     to create parent sources before children.
+	 *
+	 *     ADDENDUM
+	 *
+	 *     I wrote e_source_registry_create_multiple_sources_sync()
+	 *     to address this issue, and so that collections are added
+	 *     atomically on the server side (wrt the main loop) which
+	 *     is easier for collection backends to deal with.
 	 */
 
+	uid = e_source_get_uid (input_source);
+
 	create_context = create_context_new (registry);
+	create_context->input_source = g_object_ref (input_source);
+
+	g_main_context_push_thread_default (create_context->main_context);
 
 	/* Start listening for the "object-added" signal BEFORE we call
-	 * the D-Bus method, even though we don't know what object path
-	 * we're looking for yet.  The signal may be emitted before the
-	 * D-Bus method returns. */
+	 * the D-Bus method.  The signal may be emitted before the D-Bus
+	 * method returns.
+	 *
+	 * The object manager thread's "object-added" signal handler
+	 * will run first and add a new ESource instance to the object
+	 * path table.  We then grab it from the object path table and
+	 * compare it to the input source.
+	 */
 	object_added_id = g_signal_connect_data (
 		registry->priv->dbus_object_manager, "object-added",
 		G_CALLBACK (source_registry_create_object_added_cb),
 		create_context, (GClosureNotify) create_context_free, 0);
 
-	uid = e_source_get_uid (input_source);
 	source_data = e_source_to_string (input_source, NULL);
 
-	/* Setting the object path directly on the CreateContext
-	 * is thread-safe because only the idle callbacks on our
-	 * GMainContext use the object path, but we have not yet
-	 * started our main loop so any scheduled idle callbacks
-	 * are still pending. */
-	success = e_dbus_source_manager_call_create_source_sync (
+	g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
+	g_variant_builder_add (&builder, "{ss}", uid, source_data);
+	variant = g_variant_builder_end (&builder);
+
+	/* This function sinks the floating GVariant reference. */
+	success = e_dbus_source_manager_call_create_sources_sync (
 		registry->priv->dbus_source_manager,
-		uid, source_data, &create_context->object_path,
-		cancellable, error);
+		variant, cancellable, error);
 
-	g_free (source_data);
+	g_variant_builder_clear (&builder);
 
-	/* Sanity check. */
-	g_warn_if_fail (
-		(success && create_context->object_path != NULL) ||
-		(!success && create_context->object_path == NULL));
+	g_free (source_data);
 
 	if (success) {
 		/* Now start the main loop.  It will terminate
 		 * when we have our newly-created ESource. */
 		g_main_loop_run (create_context->main_loop);
 
-		g_warn_if_fail (E_IS_SOURCE (create_context->source));
+		g_warn_if_fail (create_context->output_source);
 
 		/* Hand the newly-created ESource back to
 		 * the caller if the caller is interested. */
 		if (output_source != NULL) {
-			*output_source = create_context->source;
-			create_context->source = NULL;
+			*output_source = create_context->output_source;
+			create_context->output_source = NULL;
 		}
 	}
 
 	/* Clean up. */
 
+	g_main_context_pop_thread_default (create_context->main_context);
+
 	/* This will free the CreateContext signal handler data. */
 	g_signal_handler_disconnect (
 		registry->priv->dbus_object_manager, object_added_id);
@@ -2267,9 +2305,10 @@ e_source_registry_create_source_sync (ESourceRegistry *registry,
  * e_source_registry_create_source:
  * @registry: an #ESourceRegistry
  * @input_source: an #ESource with no #EBusObject
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * See e_source_registry_create_source_sync() for details.
  *
@@ -2313,7 +2352,8 @@ e_source_registry_create_source (ESourceRegistry *registry,
  * e_source_registry_create_source_finish:
  * @registry: an #ESourceRegistry
  * @result: a #GAsyncResult
- * @output_source: return location for a newly-created #ESource, or %NULL
+ * @output_source: (allow-none): return location for a newly-created #ESource,
+ *                 or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Finishes the operation started with e_source_registry_create_source().
@@ -2354,6 +2394,183 @@ e_source_registry_create_source_finish (ESourceRegistry *registry,
 	return TRUE;
 }
 
+/* Helper for e_source_registry_create_multiple_sources() */
+static void
+source_registry_create_multiple_sources_thread (GSimpleAsyncResult *simple,
+                                                GObject *object,
+                                                GCancellable *cancellable)
+{
+	AsyncContext *async_context;
+	GError *error = NULL;
+
+	async_context = g_simple_async_result_get_op_res_gpointer (simple);
+
+	e_source_registry_create_multiple_sources_sync (
+		E_SOURCE_REGISTRY (object),
+		async_context->input_sources,
+		cancellable, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+}
+
+/**
+ * e_source_registry_create_multiple_sources_sync:
+ * @registry: an #ESourceRegistry
+ * @input_sources: a list of #ESource instances with no #GDBusObject
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @error: return location for a #GError, or %NULL
+ *
+ * Requests the D-Bus service create new key files for each #ESource in
+ * @input_sources.  Each list element must be a throw-away #ESource with
+ * no #GDBusObject.
+ *
+ * Use this function when creating a collection of related data sources
+ * so the D-Bus service can handle them all at once.
+ *
+ * If an error occurs, the function will set @error and return %FALSE.
+ *
+ * Returns: %TRUE on success, %FALSE on failure
+ *
+ * Since: 3.6
+ **/
+gboolean
+e_source_registry_create_multiple_sources_sync (ESourceRegistry *registry,
+                                                GList *input_sources,
+                                                GCancellable *cancellable,
+                                                GError **error)
+{
+	GVariantBuilder builder;
+	GVariant *variant;
+	GList *link;
+	gboolean success;
+
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), FALSE);
+
+	/* Verify the list elements are all ESources. */
+	for (link = input_sources; link != NULL; link = g_list_next (link))
+		g_return_val_if_fail (E_IS_SOURCE (link->data), FALSE);
+
+	g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
+
+	for (link = input_sources; link != NULL; link = g_list_next (link)) {
+		ESource *source;
+		const gchar *uid;
+		gchar *source_data;
+
+		source = E_SOURCE (link->data);
+		uid = e_source_get_uid (source);
+
+		source_data = e_source_to_string (source, NULL);
+		g_variant_builder_add (&builder, "{ss}", uid, source_data);
+		g_free (source_data);
+	}
+
+	variant = g_variant_builder_end (&builder);
+
+	/* This function sinks the floating GVariant reference. */
+	success = e_dbus_source_manager_call_create_sources_sync (
+		registry->priv->dbus_source_manager,
+		variant, cancellable, error);
+
+	g_variant_builder_clear (&builder);
+
+	return success;
+}
+
+/**
+ * e_source_registry_create_multiple_sources:
+ * @registry: an #ESourceRegistry
+ * @input_sources: a list of #ESource instances with no #GDBusObject
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
+ *
+ * Asynchronously requests the D-Bus service create new key files for each
+ * #ESource in @input_sources.  Each list element must be a throw-away
+ * #ESource with no #GDBusObject.
+ *
+ * Use this function when creating a collection of related data sources
+ * so the D-Bus service can handle them all at once.
+ *
+ * When the operation is finished, @callback will be called.  You can then
+ * call e_source_registry_create_multiple_sources_finish() to get the result
+ * of the operation.
+ *
+ * Since: 3.6
+ **/
+void
+e_source_registry_create_multiple_sources (ESourceRegistry *registry,
+                                           GList *input_sources,
+                                           GCancellable *cancellable,
+                                           GAsyncReadyCallback callback,
+                                           gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+	AsyncContext *async_context;
+	GList *link;
+
+	g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
+
+	/* Verify the list elements are all ESources. */
+	for (link = input_sources; link != NULL; link = g_list_next (link))
+		g_return_if_fail (E_IS_SOURCE (link->data));
+
+	async_context = g_slice_new0 (AsyncContext);
+	async_context->input_sources = g_list_copy (input_sources);
+
+	g_list_foreach (
+		async_context->input_sources,
+		(GFunc) g_object_ref, NULL);
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (registry), callback, user_data,
+		e_source_registry_create_multiple_sources);
+
+	g_simple_async_result_set_op_res_gpointer (
+		simple, async_context, (GDestroyNotify) async_context_free);
+
+	g_simple_async_result_run_in_thread (
+		simple, source_registry_create_multiple_sources_thread,
+		G_PRIORITY_DEFAULT, cancellable);
+
+	g_object_unref (simple);
+}
+
+/**
+ * e_source_registry_create_multiple_sources_finish:
+ * @registry: an #ESourceRegistry
+ * @result: a #GAsyncResult
+ * @error: return location for a #GError, or %NULL
+ *
+ * Finishes the operation started with
+ * e_source_registry_create_multiple_sources().
+ *
+ * If an error occurred, the function will set @error and return %FALSE.
+ *
+ * Returns: %TRUE on success, %FALSE on failure
+ *
+ * Since: 3.6
+ **/
+gboolean
+e_source_registry_create_multiple_sources_finish (ESourceRegistry *registry,
+                                                  GAsyncResult *result,
+                                                  GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (registry),
+		e_source_registry_create_multiple_sources), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}
+
 /**
  * e_source_registry_ref_source:
  * @registry: an #ESourceRegistry
@@ -2364,7 +2581,7 @@ e_source_registry_create_source_finish (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: an #ESource, or %NULL if no match was found
+ * Returns: (transfer full): an #ESource, or %NULL if no match was found
  *
  * Since: 3.6
  **/
@@ -2381,7 +2598,7 @@ e_source_registry_ref_source (ESourceRegistry *registry,
 /**
  * e_source_registry_list_sources:
  * @registry: an #ESourceRegistry
- * @extension_name: an extension name, or %NULL
+ * @extension_name: (allow-none): an extension name, or %NULL
  *
  * Returns a list of registered sources, sorted by display name.  If
  * @extension_name is given, restrict the list to sources having that
@@ -2397,7 +2614,7 @@ e_source_registry_ref_source (ESourceRegistry *registry,
  *   g_list_free_full (list, g_object_unref);
  * ]|
  *
- * Returns: a sorted list of sources
+ * Returns: (transfer full): a sorted list of sources
  *
  * Since: 3.6
  **/
@@ -2459,7 +2676,7 @@ e_source_registry_list_sources (ESourceRegistry *registry,
  * instead of the #ESourceExtension itself because extension instances are
  * not to be referenced directly (see e_source_get_extension()).
  *
- * Returns: an #ESource, or %NULL if no match was found
+ * Returns: (transfer full): an #ESource, or %NULL if no match was found
  *
  * Since: 3.6
  **/
@@ -2592,7 +2809,7 @@ source_registry_prune_nodes (GNode *node,
 /**
  * e_source_registry_build_display_tree:
  * @registry: an #ESourceRegistry
- * @extension_name: an extension name, or %NULL
+ * @extension_name: (allow-none): an extension name, or %NULL
  *
  * Returns a single #GNode tree of registered sources that can be used to
  * populate a #GtkTreeModel.  (The root #GNode is just an empty placeholder.)
@@ -2610,7 +2827,7 @@ source_registry_prune_nodes (GNode *node,
  * For convenience, e_source_registry_free_display_tree() does all
  * that in one step.
  *
- * Returns: a tree of sources, arranged for display
+ * Returns: (transfer full): a tree of sources, arranged for display
  *
  * Since: 3.6
  **/
@@ -2699,7 +2916,7 @@ source_registry_debug_dump_cb (GNode *node)
 /**
  * e_source_registry_debug_dump:
  * @registry: an #ESourceRegistry
- * @extension_name: an extension name, or %NULL
+ * @extension_name: (allow-none): an extension name, or %NULL
  *
  * Handy debugging function that uses e_source_registry_build_display_tree()
  * to print a tree of registered sources to standard output.
@@ -2734,7 +2951,7 @@ e_source_registry_debug_dump (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the built-in address book #ESource
+ * Returns: (transfer full): the built-in address book #ESource
  *
  * Since: 3.6
  **/
@@ -2764,7 +2981,7 @@ e_source_registry_ref_builtin_address_book (ESourceRegistry *registry)
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default address book #ESource
+ * Returns: (transfer full): the default address book #ESource
  *
  * Since: 3.6
  **/
@@ -2794,7 +3011,7 @@ e_source_registry_ref_default_address_book (ESourceRegistry *registry)
 /**
  * e_source_registry_set_default_address_book:
  * @registry: an #ESourceRegistry
- * @default_source: an address book #ESource, or %NULL
+ * @default_source: (allow-none): an address book #ESource, or %NULL
  *
  * Sets @default_source as the default address book.  If @default_source
  * is %NULL, the default address book is reset to the built-in address book.
@@ -2836,7 +3053,7 @@ e_source_registry_set_default_address_book (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the built-in calendar #ESource
+ * Returns: (transfer full): the built-in calendar #ESource
  *
  * Since: 3.6
  **/
@@ -2866,7 +3083,7 @@ e_source_registry_ref_builtin_calendar (ESourceRegistry *registry)
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default calendar #ESource
+ * Returns: (transfer full): the default calendar #ESource
  *
  * Since: 3.6
  **/
@@ -2896,7 +3113,7 @@ e_source_registry_ref_default_calendar (ESourceRegistry *registry)
 /**
  * e_source_registry_set_default_calendar:
  * @registry: an #ESourceRegistry
- * @default_source: a calendar #ESource, or %NULL
+ * @default_source: (allow-none): a calendar #ESource, or %NULL
  *
  * Sets @default_source as the default calendar.  If @default_source
  * is %NULL, the default calendar is reset to the built-in calendar.
@@ -2938,7 +3155,7 @@ e_source_registry_set_default_calendar (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the built-in mail account #ESource
+ * Returns: (transfer full): the built-in mail account #ESource
  *
  * Since: 3.6
  **/
@@ -2968,7 +3185,7 @@ e_source_registry_ref_builtin_mail_account (ESourceRegistry *registry)
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default mail account #ESource
+ * Returns: (transfer full): the default mail account #ESource
  *
  * Since: 3.6
  **/
@@ -2998,7 +3215,7 @@ e_source_registry_ref_default_mail_account (ESourceRegistry *registry)
 /**
  * e_source_registry_set_default_mail_account:
  * @registry: an #ESourceRegistry
- * @default_source: a mail account #ESource, or %NULL
+ * @default_source: (allow-none): a mail account #ESource, or %NULL
  *
  * Sets @default_source as the default mail account.  If @default_source
  * is %NULL, the default mail account is reset to the built-in mail account.
@@ -3040,7 +3257,7 @@ e_source_registry_set_default_mail_account (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the built-in memo list #ESource
+ * Returns: (transfer full): the built-in memo list #ESource
  *
  * Since: 3.6
  **/
@@ -3070,7 +3287,7 @@ e_source_registry_ref_builtin_memo_list (ESourceRegistry *registry)
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default memo list #ESource
+ * Returns: (transfer full): the default memo list #ESource
  *
  * Since: 3.6
  **/
@@ -3100,7 +3317,7 @@ e_source_registry_ref_default_memo_list (ESourceRegistry *registry)
 /**
  * e_source_registry_set_default_memo_list:
  * @registry: an #ESourceRegistry
- * @default_source: a memo list #ESource, or %NULL
+ * @default_source: (allow-none): a memo list #ESource, or %NULL
  *
  * Sets @default_source as the default memo list.  If @default_source
  * is %NULL, the default memo list is reset to the built-in memo list.
@@ -3142,7 +3359,7 @@ e_source_registry_set_default_memo_list (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the built-in task list #ESource
+ * Returns: (transfer full): the built-in task list #ESource
  *
  * Since: 3.6
  **/
@@ -3172,7 +3389,7 @@ e_source_registry_ref_builtin_task_list (ESourceRegistry *registry)
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default task list #ESource
+ * Returns: (transfer full): the default task list #ESource
  *
  * Since: 3.6
  **/
@@ -3202,7 +3419,7 @@ e_source_registry_ref_default_task_list (ESourceRegistry *registry)
 /**
  * e_source_registry_set_default_task_list:
  * @registry: an #ESourceRegistry
- * @default_source: a task list #ESource, or %NULL
+ * @default_source: (allow-none): a task list #ESource, or %NULL
  *
  * Sets @default_source as the default task list.  If @default_source
  * is %NULL, the default task list is reset to the built-in task list.
@@ -3263,7 +3480,7 @@ e_source_registry_set_default_task_list (ESourceRegistry *registry,
  * The returned #ESource is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the default #ESource based on @extension_name
+ * Returns: (transfer full): the default #ESource based on @extension_name
  *
  * Since: 3.6
  **/
@@ -3296,7 +3513,7 @@ e_source_registry_ref_default_for_extension_name (ESourceRegistry *registry,
  * e_source_registry_set_default_for_extension_name:
  * @registry: an #ESourceRegistry
  * @extension_name: an extension name
- * @default_source: an #ESource, or %NULL
+ * @default_source: (allow-none): an #ESource, or %NULL
  *
  * This is a convenience function to set a default #ESource based on
  * @extension_name.  This only works with a subset of extension names.
diff --git a/libedataserver/e-source-registry.h b/libedataserver/e-source-registry.h
index 523217a..4be5273 100644
--- a/libedataserver/e-source-registry.h
+++ b/libedataserver/e-source-registry.h
@@ -134,6 +134,21 @@ gboolean	e_source_registry_create_source_finish
 						 GAsyncResult *result,
 						 ESource **output_source,
 						 GError **error);
+gboolean	e_source_registry_create_multiple_sources_sync
+						(ESourceRegistry *registry,
+						 GList *input_sources,
+						 GCancellable *cancellable,
+						 GError **error);
+void		e_source_registry_create_multiple_sources
+						(ESourceRegistry *registry,
+						 GList *input_sources,
+						 GCancellable *cancellable,
+						 GAsyncReadyCallback callback,
+						 gpointer user_data);
+gboolean	e_source_registry_create_multiple_sources_finish
+						(ESourceRegistry *registry,
+						 GAsyncResult *result,
+						 GError **error);
 ESource *	e_source_registry_ref_source	(ESourceRegistry *registry,
 						 const gchar *uid);
 GList *		e_source_registry_list_sources	(ESourceRegistry *registry,
diff --git a/libedataserver/e-source-security.c b/libedataserver/e-source-security.c
index 0f6c87b..c0df815 100644
--- a/libedataserver/e-source-security.c
+++ b/libedataserver/e-source-security.c
@@ -225,7 +225,7 @@ e_source_security_dup_method (ESourceSecurity *extension)
 /**
  * e_source_security_set_method:
  * @extension: an #ESourceSecurity
- * @method: security method, or %NULL
+ * @method: (allow-none): security method, or %NULL
  *
  * Sets the method used to establish a secure network connection to a
  * remote account.  There are no pre-defined method names; backends are
diff --git a/libedataserver/e-source-selectable.c b/libedataserver/e-source-selectable.c
index c4a1271..5443179 100644
--- a/libedataserver/e-source-selectable.c
+++ b/libedataserver/e-source-selectable.c
@@ -216,7 +216,7 @@ e_source_selectable_dup_color (ESourceSelectable *extension)
 /**
  * e_source_selectable_set_color:
  * @extension: an #ESourceSelectable
- * @color: a color specification, or %NULL
+ * @color: (allow-none): a color specification, or %NULL
  *
  * Sets the color specification for the #ESource to which @extension
  * belongs.  A colored block is often displayed next to the data source's
diff --git a/libedataserver/e-source-smime.c b/libedataserver/e-source-smime.c
index 2099bb2..f380f10 100644
--- a/libedataserver/e-source-smime.c
+++ b/libedataserver/e-source-smime.c
@@ -338,7 +338,8 @@ e_source_smime_dup_encryption_certificate (ESourceSMIME *extension)
 /**
  * e_source_smime_set_encryption_certificate:
  * @extension: an #ESourceSMIME
- * @encryption_certificate: the certificate name used to encrypt messages
+ * @encryption_certificate: (allow-none): the certificate name used to encrypt
+ *                          messages, or %NULL
  *
  * Sets the certificate name used to encrypt messages.
  *
@@ -508,7 +509,8 @@ e_source_smime_dup_signing_algorithm (ESourceSMIME *extension)
 /**
  * e_source_smime_set_signing_algorithm:
  * @extension: an #ESourceSMIME
- * @signing_algorithm: the signing algorithm for outgoing messages
+ * @signing_algorithm: (allow-none): the signing algorithm for outgoing
+ *                     messages, or %NULL
  *
  * Sets the name of the hash algorithm used to digitally sign outgoing
  * messages.
@@ -600,7 +602,8 @@ e_source_smime_dup_signing_certificate (ESourceSMIME *extension)
 /**
  * e_source_smime_set_signing_certificate:
  * @extension: an #ESourceSMIME
- * @signing_certificate: the certificate name used to sign messages
+ * @signing_certificate: (allow-none): the certificate name used to sign
+ *                       messages, or %NULL
  *
  * Sets the S/MIME certificate name used to sign messages.
  *
diff --git a/libedataserver/e-source-webdav.c b/libedataserver/e-source-webdav.c
index eeaf755..9381e11 100644
--- a/libedataserver/e-source-webdav.c
+++ b/libedataserver/e-source-webdav.c
@@ -754,7 +754,8 @@ e_source_webdav_dup_display_name (ESourceWebdav *extension)
 /**
  * e_source_webdav_set_display_name:
  * @extension: an #ESourceWebdav
- * @display_name: the display name of the WebDAV resource
+ * @display_name: (allow-none): the display name of the WebDAV resource,
+ *                or %NULL
  *
  * Updates the last known display name of a WebDAV resource, which may
  * differ from the #ESource:display-name property of the #ESource to which
@@ -848,7 +849,7 @@ e_source_webdav_dup_email_address (ESourceWebdav *extension)
 /**
  * e_source_webdav_set_email_address:
  * @extension: an #ESourceWebdav
- * @email_address: the user's email address, or %NULL
+ * @email_address: (allow-none): the user's email address, or %NULL
  *
  * Sets the user's email address which can be passed to a CalDAV server if
  * the user wishes to receive scheduling messages.
@@ -984,7 +985,8 @@ e_source_webdav_dup_resource_path (ESourceWebdav *extension)
 /**
  * e_source_webdav_set_resource_path:
  * @extension: an #ESourceWebdav
- * @resource_path: the absolute path to a WebDAV resource, or %NULL
+ * @resource_path: (allow-none): the absolute path to a WebDAV resource,
+ *                 or %NULL
  *
  * Sets the absolute path to a resource on a WebDAV server.
  *
@@ -1032,7 +1034,7 @@ e_source_webdav_set_resource_path (ESourceWebdav *extension,
  * extension, the #ESourceSecurity extension, and @extension itself.
  * Free the returned #SoupURI with soup_uri_free().
  *
- * Returns: a newly-allocated #SoupURI
+ * Returns: (transfer full): a newly-allocated #SoupURI
  *
  * Since: 3.6
  **/
diff --git a/libedataserver/e-source.c b/libedataserver/e-source.c
index 06a39d3..73ec605 100644
--- a/libedataserver/e-source.c
+++ b/libedataserver/e-source.c
@@ -1231,8 +1231,8 @@ e_source_init (ESource *source)
 
 /**
  * e_source_new:
- * @dbus_object: a #GDBusObject or %NULL
- * @main_context: a #GMainContext or %NULL
+ * @dbus_object: (allow-none): a #GDBusObject or %NULL
+ * @main_context: (allow-none): a #GMainContext or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Creates a new #ESource instance.
@@ -1455,7 +1455,7 @@ e_source_dup_parent (ESource *source)
 /**
  * e_source_set_parent:
  * @source: an #ESource
- * @parent: the UID of the parent #ESource
+ * @parent: (allow-none): the UID of the parent #ESource, or %NULL
  *
  * Identifies the parent of @source by its unique identifier string.
  * This can only be set prior to adding @source to an #ESourceRegistry.
@@ -1725,7 +1725,7 @@ e_source_has_extension (ESource *source,
  * The returned #GDBusObject is referenced for thread-safety and must be
  * unreferenced with g_object_unref() when finished with it.
  *
- * Returns: the #GDBusObject for @source, or %NULL
+ * Returns: (transfer full): the #GDBusObject for @source, or %NULL
  *
  * Since: 3.6
  **/
@@ -1750,7 +1750,7 @@ e_source_ref_dbus_object (ESource *source)
  * The returned #GMainContext is referenced for thread-safety and must be
  * unreferenced with g_main_context_unref() when finished with it.
  *
- * Returns: the #GMainContext for signal emissions
+ * Returns: (transfer full): the #GMainContext for signal emissions
  *
  * Since: 3.6
  **/
@@ -1877,7 +1877,8 @@ e_source_compare_by_display_name (ESource *source1,
 /**
  * e_source_to_string:
  * @source: an #ESource
- * @length: return location for the length of the returned string, or %NULL
+ * @length: (allow-none): return location for the length of the returned
+ *          string, or %NULL
  *
  * Outputs the current contents of @source as a key file string.
  * Free the returned string with g_free().
@@ -1955,7 +1956,7 @@ e_source_parameter_to_key (const gchar *param_name)
 /**
  * e_source_remove_sync:
  * @source: the #ESource to be removed
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Requests the D-Bus service to delete the key files for @source and all of
@@ -1984,9 +1985,10 @@ e_source_remove_sync (ESource *source,
 /**
  * e_source_remove:
  * @source: the #ESource to be removed
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously requests the D-Bus service to delete the key files for
  * @source all of its descendants and broadcast their removal to all clients.
@@ -2044,7 +2046,7 @@ e_source_remove_finish (ESource *source,
 /**
  * e_source_write_sync:
  * @source: a writable #ESource
- * @cancellable: optional #GCancellable object, or %NULL
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Submits the current contents of @source to the D-Bus service to be
@@ -2073,9 +2075,10 @@ e_source_write_sync (ESource *source,
 /**
  * e_source_write:
  * @source: a writable #ESource
- * @cancellable: optional #GCancellable object, or %NULL
- * @callback: a #GAsyncReadyCallback to call when the request is satisfied
- * @user_data: data to pass to the callback function
+ * @cancellable: (allow-none): optional #GCancellable object, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback to call when the request
+ *            is satisfied
+ * @user_data: (closure): data to pass to the callback function
  *
  * Asynchronously submits the current contents of @source to the D-Bus
  * service to be written to disk and broadcast to other clients.  This



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