[evolution/account-mgmt: 34/48] Add 'cal-config-caldav' module.



commit 8d8ff4894d2d4d1525d7dd0c71478da3e30cbb86
Author: Matthew Barnes <mbarnes redhat com>
Date:   Fri Feb 4 08:50:58 2011 -0500

    Add 'cal-config-caldav' module.
    
    Registers the "CalDAV" backend in ECalSourceConfig widgets.
    
    Replaces the 'caldav' plugin.

 configure.ac                                       |    3 +-
 modules/Makefile.am                                |    1 +
 modules/cal-config-caldav/Makefile.am              |   32 +
 .../cal-config-caldav/e-caldav-chooser-dialog.c    |  401 +++++
 .../cal-config-caldav/e-caldav-chooser-dialog.h    |   68 +
 modules/cal-config-caldav/e-caldav-chooser.c       | 1510 ++++++++++++++++++
 modules/cal-config-caldav/e-caldav-chooser.h       |   77 +
 modules/cal-config-caldav/e-source-caldav.c        |  201 +++
 modules/cal-config-caldav/e-source-caldav.h        |   71 +
 .../evolution-cal-config-caldav.c                  |  432 ++++++
 plugins/caldav/Makefile.am                         |   32 -
 plugins/caldav/caldav-browse-server.c              | 1625 --------------------
 plugins/caldav/caldav-browse-server.h              |   31 -
 plugins/caldav/caldav-source.c                     |  285 ----
 .../caldav/org-gnome-evolution-caldav.eplug.xml    |   27 -
 15 files changed, 2795 insertions(+), 2001 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 50e1335..19deb32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1352,7 +1352,7 @@ AC_ARG_ENABLE([plugins],
 	[enable_plugins="$enableval"],[enable_plugins=all])
 
 dnl Add any new plugins here
-plugins_base_always="itip-formatter default-source mark-all-read publish-calendar caldav imap-features google-account-setup"
+plugins_base_always="itip-formatter default-source mark-all-read publish-calendar imap-features google-account-setup"
 
 plugins_base="$plugins_base_always"
 dist_plugins_base="$plugins_base_always"
@@ -1677,6 +1677,7 @@ modules/book-config-google/Makefile
 modules/book-config-ldap/Makefile
 modules/book-config-local/Makefile
 modules/book-config-webdav/Makefile
+modules/cal-config-caldav/Makefile
 modules/cal-config-contacts/Makefile
 modules/cal-config-local/Makefile
 modules/cal-config-weather/Makefile
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 01daa7b..9ff1dbf 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -39,6 +39,7 @@ SUBDIRS = \
 	$(CONFIG_LDAP_DIR) \
 	book-config-local \
 	book-config-webdav \
+	cal-config-caldav \
 	cal-config-contacts \
 	cal-config-local \
 	$(CONFIG_WEATHER_DIR) \
diff --git a/modules/cal-config-caldav/Makefile.am b/modules/cal-config-caldav/Makefile.am
new file mode 100644
index 0000000..295c754
--- /dev/null
+++ b/modules/cal-config-caldav/Makefile.am
@@ -0,0 +1,32 @@
+module_LTLIBRARIES = libevolution-module-cal-config-caldav.la
+
+libevolution_module_cal_config_caldav_la_CPPFLAGS =		\
+	$(AM_CPPFLAGS)						\
+	-I$(top_srcdir)						\
+	-I$(top_srcdir)/widgets					\
+	-DG_LOG_DOMAIN=\"evolution-cal-config-caldav\"		\
+	$(EVOLUTION_DATA_SERVER_CFLAGS)				\
+	$(GNOME_PLATFORM_CFLAGS)				\
+	$(LIBSOUP_CFLAGS)
+
+libevolution_module_cal_config_caldav_la_SOURCES =		\
+	evolution-cal-config-caldav.c				\
+	e-caldav-chooser.c					\
+	e-caldav-chooser.h					\
+	e-caldav-chooser-dialog.c				\
+	e-caldav-chooser-dialog.h				\
+	e-source-caldav.c					\
+	e-source-caldav.h
+
+libevolution_module_cal_config_caldav_la_LIBADD =		\
+	$(top_builddir)/e-util/libeutil.la			\
+	$(top_builddir)/widgets/misc/libemiscwidgets.la		\
+	$(top_builddir)/calendar/gui/libevolution-calendar.la	\
+	$(EVOLUTION_DATA_SERVER_LIBS)				\
+	$(GNOME_PLATFORM_LIBS)					\
+	$(LIBSOUP_LIBS)
+
+libevolution_module_cal_config_caldav_la_LDFLAGS =		\
+	-module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/cal-config-caldav/e-caldav-chooser-dialog.c b/modules/cal-config-caldav/e-caldav-chooser-dialog.c
new file mode 100644
index 0000000..6c7ff29
--- /dev/null
+++ b/modules/cal-config-caldav/e-caldav-chooser-dialog.c
@@ -0,0 +1,401 @@
+/*
+ * e-caldav-chooser-dialog.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-caldav-chooser-dialog.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#define E_CALDAV_CHOOSER_DIALOG_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_CALDAV_CHOOSER_DIALOG, ECaldavChooserDialogPrivate))
+
+struct _ECaldavChooserDialogPrivate {
+	ECaldavChooser *chooser;
+	GCancellable *cancellable;
+
+	GtkWidget *info_bar;		/* not referenced */
+	GtkWidget *info_bar_label;	/* not referenced */
+};
+
+enum {
+	PROP_0,
+	PROP_CHOOSER
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	ECaldavChooserDialog,
+	e_caldav_chooser_dialog,
+	GTK_TYPE_DIALOG)
+
+static void
+caldav_chooser_dialog_populated_cb (ECaldavChooser *chooser,
+                                    GAsyncResult *result,
+                                    ECaldavChooserDialog *dialog)
+{
+	GdkWindow *window;
+	GError *error = NULL;
+
+	e_caldav_chooser_populate_finish (chooser, result, &error);
+
+	/* Ignore cancellations, and leave the mouse cursor alone
+	 * since the GdkWindow may have already been destroyed. */
+	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+		goto exit;
+
+	/* Reset the mouse cursor to normal. */
+	window = gtk_widget_get_window (GTK_WIDGET (dialog));
+	gdk_window_set_cursor (window, NULL);
+
+	if (error != NULL) {
+		GtkLabel *label;
+
+		label = GTK_LABEL (dialog->priv->info_bar_label);
+		gtk_label_set_text (label, error->message);
+		gtk_widget_show (dialog->priv->info_bar);
+
+		g_error_free (error);
+		goto exit;
+	}
+
+exit:
+	g_object_unref (dialog);
+}
+
+static void
+caldav_chooser_dialog_row_activated_cb (GtkTreeView *tree_view,
+                                        GtkTreePath *path,
+                                        GtkTreeViewColumn *column,
+                                        GtkDialog *dialog)
+{
+	gtk_dialog_response (dialog, GTK_RESPONSE_APPLY);
+}
+
+static void
+caldav_chooser_dialog_selection_changed_cb (GtkTreeSelection *selection,
+                                            GtkDialog *dialog)
+{
+	gboolean sensitive;
+
+	sensitive = (gtk_tree_selection_count_selected_rows (selection) > 0);
+
+	gtk_dialog_set_response_sensitive (
+		dialog, GTK_RESPONSE_APPLY, sensitive);
+}
+
+static void
+caldav_chooser_dialog_set_chooser (ECaldavChooserDialog *dialog,
+                                   ECaldavChooser *chooser)
+{
+	g_return_if_fail (E_IS_CALDAV_CHOOSER (chooser));
+	g_return_if_fail (dialog->priv->chooser == NULL);
+
+	dialog->priv->chooser = g_object_ref_sink (chooser);
+}
+
+static void
+caldav_chooser_dialog_set_property (GObject *object,
+                                    guint property_id,
+                                    const GValue *value,
+                                    GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CHOOSER:
+			caldav_chooser_dialog_set_chooser (
+				E_CALDAV_CHOOSER_DIALOG (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+caldav_chooser_dialog_get_property (GObject *object,
+                                    guint property_id,
+                                    GValue *value,
+                                    GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CHOOSER:
+			g_value_set_object (
+				value,
+				e_caldav_chooser_dialog_get_chooser (
+				E_CALDAV_CHOOSER_DIALOG (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+caldav_chooser_dialog_dispose (GObject *object)
+{
+	ECaldavChooserDialogPrivate *priv;
+
+	priv = E_CALDAV_CHOOSER_DIALOG_GET_PRIVATE (object);
+
+	if (priv->chooser != NULL) {
+		g_signal_handlers_disconnect_by_func (
+			priv->chooser, caldav_chooser_dialog_row_activated_cb,
+			object);
+		g_object_unref (priv->chooser);
+		priv->chooser = NULL;
+	}
+
+	if (priv->cancellable != NULL) {
+		g_cancellable_cancel (priv->cancellable);
+		g_object_unref (priv->cancellable);
+		priv->cancellable = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_caldav_chooser_dialog_parent_class)->dispose (object);
+}
+
+static void
+caldav_chooser_dialog_constructed (GObject *object)
+{
+	ECaldavChooserDialog *dialog;
+	GtkTreeSelection *selection;
+	GtkWidget *container;
+	GtkWidget *widget;
+	GtkWidget *vbox;
+	const gchar *title;
+
+	dialog = E_CALDAV_CHOOSER_DIALOG (object);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_caldav_chooser_dialog_parent_class)->
+		constructed (object);
+
+	switch (e_caldav_chooser_get_source_type (dialog->priv->chooser)) {
+		case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
+			title = _("Choose a Calendar");
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
+			title = _("Choose a Memo List");
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
+			title = _("Choose a Task List");
+			break;
+		default:
+			g_warn_if_reached ();
+			title = "";
+	}
+
+	gtk_dialog_add_button (
+		GTK_DIALOG (dialog),
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+
+	gtk_dialog_add_button (
+		GTK_DIALOG (dialog),
+		GTK_STOCK_APPLY, GTK_RESPONSE_APPLY);
+
+	gtk_dialog_set_default_response (
+		GTK_DIALOG (dialog), GTK_RESPONSE_APPLY);
+	gtk_dialog_set_response_sensitive (
+		GTK_DIALOG (dialog), GTK_RESPONSE_APPLY, FALSE);
+
+	gtk_window_set_title (GTK_WINDOW (dialog), title);
+	gtk_window_set_default_size (GTK_WINDOW (dialog), 400, 400);
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+
+	container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+
+	widget = gtk_vbox_new (FALSE, 6);
+	gtk_container_set_border_width (GTK_CONTAINER (widget), 5);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	gtk_widget_show (widget);
+
+	container = vbox = widget;
+
+	widget = gtk_scrolled_window_new (NULL, NULL);
+	gtk_scrolled_window_set_policy (
+		GTK_SCROLLED_WINDOW (widget),
+		GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+	gtk_scrolled_window_set_shadow_type (
+		GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = GTK_WIDGET (dialog->priv->chooser);
+	gtk_container_add (GTK_CONTAINER (container), widget);
+	gtk_widget_show (widget);
+
+	g_signal_connect (
+		widget, "row-activated",
+		G_CALLBACK (caldav_chooser_dialog_row_activated_cb), dialog);
+
+	/* Build the info bar, but hide it initially. */
+
+	container = vbox;
+
+	widget = gtk_info_bar_new ();
+	gtk_info_bar_set_message_type (
+		GTK_INFO_BAR (widget), GTK_MESSAGE_WARNING);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	dialog->priv->info_bar = widget;  /* do not reference */
+	gtk_widget_hide (widget);
+
+	container = gtk_info_bar_get_content_area (GTK_INFO_BAR (widget));
+
+	widget = gtk_hbox_new (FALSE, 6);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_image_new_from_stock (
+		GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_MENU);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_label_new ("");
+	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	dialog->priv->info_bar_label = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	/* Listen for tree view selection changes. */
+
+	selection = gtk_tree_view_get_selection (
+		GTK_TREE_VIEW (dialog->priv->chooser));
+
+	g_signal_connect (
+		selection, "changed",
+		G_CALLBACK (caldav_chooser_dialog_selection_changed_cb),
+		dialog);
+}
+
+static void
+caldav_chooser_dialog_realize (GtkWidget *widget)
+{
+	ECaldavChooserDialogPrivate *priv;
+	GdkCursor *cursor;
+	GdkWindow *window;
+	GdkDisplay *display;
+
+	priv = E_CALDAV_CHOOSER_DIALOG_GET_PRIVATE (widget);
+
+	/* Chain up to parent's realize() method. */
+	GTK_WIDGET_CLASS (e_caldav_chooser_dialog_parent_class)->
+		realize (widget);
+
+	g_return_if_fail (priv->cancellable == NULL);
+	priv->cancellable = g_cancellable_new ();
+
+	/* Show a busy mouse cursor while populating. */
+	window = gtk_widget_get_window (widget);
+	display = gtk_widget_get_display (widget);
+	cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
+	gdk_window_set_cursor (window, cursor);
+	gdk_cursor_unref (cursor);
+
+	e_caldav_chooser_populate (
+		priv->chooser, priv->cancellable, (GAsyncReadyCallback)
+		caldav_chooser_dialog_populated_cb, g_object_ref (widget));
+}
+
+static void
+caldav_chooser_dialog_response (GtkDialog *dialog,
+                                gint response_id)
+{
+	ECaldavChooserDialogPrivate *priv;
+
+	priv = E_CALDAV_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+
+	if (response_id == GTK_RESPONSE_APPLY)
+		e_caldav_chooser_apply_selected (priv->chooser);
+}
+
+static void
+e_caldav_chooser_dialog_class_init (ECaldavChooserDialogClass *class)
+{
+	GObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+	GtkDialogClass *dialog_class;
+
+	g_type_class_add_private (class, sizeof (ECaldavChooserDialogPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = caldav_chooser_dialog_set_property;
+	object_class->get_property = caldav_chooser_dialog_get_property;
+	object_class->dispose = caldav_chooser_dialog_dispose;
+	object_class->constructed = caldav_chooser_dialog_constructed;
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	widget_class->realize = caldav_chooser_dialog_realize;
+
+	dialog_class = GTK_DIALOG_CLASS (class);
+	dialog_class->response = caldav_chooser_dialog_response;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_CHOOSER,
+		g_param_spec_object (
+			"chooser",
+			NULL,
+			NULL,
+			E_TYPE_CALDAV_CHOOSER,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+e_caldav_chooser_dialog_class_finalize (ECaldavChooserDialogClass *class)
+{
+}
+
+static void
+e_caldav_chooser_dialog_init (ECaldavChooserDialog *dialog)
+{
+	dialog->priv = E_CALDAV_CHOOSER_DIALOG_GET_PRIVATE (dialog);
+}
+
+void
+e_caldav_chooser_dialog_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_caldav_chooser_dialog_register_type (type_module);
+}
+
+GtkWidget *
+e_caldav_chooser_dialog_new (ECaldavChooser *chooser,
+                             GtkWindow *parent)
+{
+	g_return_val_if_fail (E_IS_CALDAV_CHOOSER (chooser), NULL);
+	g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL);
+
+	return g_object_new (
+		E_TYPE_CALDAV_CHOOSER_DIALOG,
+		"chooser", chooser, "transient-for", parent, NULL);
+}
+
+ECaldavChooser *
+e_caldav_chooser_dialog_get_chooser (ECaldavChooserDialog *dialog)
+{
+	g_return_val_if_fail (E_IS_CALDAV_CHOOSER_DIALOG (dialog), NULL);
+
+	return dialog->priv->chooser;
+}
+
diff --git a/modules/cal-config-caldav/e-caldav-chooser-dialog.h b/modules/cal-config-caldav/e-caldav-chooser-dialog.h
new file mode 100644
index 0000000..6c5500f
--- /dev/null
+++ b/modules/cal-config-caldav/e-caldav-chooser-dialog.h
@@ -0,0 +1,68 @@
+/*
+ * e-caldav-chooser-dialog.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_CALDAV_CHOOSER_DIALOG_H
+#define E_CALDAV_CHOOSER_DIALOG_H
+
+#include "e-caldav-chooser.h"
+
+/* Standard GObject macros */
+#define E_TYPE_CALDAV_CHOOSER_DIALOG \
+	(e_caldav_chooser_dialog_get_type ())
+#define E_CALDAV_CHOOSER_DIALOG(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_CALDAV_CHOOSER_DIALOG, ECaldavChooserDialog))
+#define E_CALDAV_CHOOSER_DIALOG_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_CALDAV_CHOOSER_DIALOG, ECaldavChooserDialogClass))
+#define E_IS_CALDAV_CHOOSER_DIALOG(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_CALDAV_CHOOSER_DIALOG))
+#define E_IS_CALDAV_CHOOSER_DIALOG_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_CALDAV_CHOOSER_DIALOG))
+#define E_CALDAV_CHOOSER_DIALOG_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_CALDAV_CHOOSER_DIALOG, ECaldavChooserDialogClass))
+
+G_BEGIN_DECLS
+
+typedef struct _ECaldavChooserDialog ECaldavChooserDialog;
+typedef struct _ECaldavChooserDialogClass ECaldavChooserDialogClass;
+typedef struct _ECaldavChooserDialogPrivate ECaldavChooserDialogPrivate;
+
+struct _ECaldavChooserDialog {
+	GtkDialog parent;
+	ECaldavChooserDialogPrivate *priv;
+};
+
+struct _ECaldavChooserDialogClass {
+	GtkDialogClass parent_class;
+};
+
+GType		e_caldav_chooser_dialog_get_type (void);
+void		e_caldav_chooser_dialog_type_register
+						(GTypeModule *type_module);
+GtkWidget *	e_caldav_chooser_dialog_new	(ECaldavChooser *chooser,
+						 GtkWindow *parent);
+ECaldavChooser *e_caldav_chooser_dialog_get_chooser
+						(ECaldavChooserDialog *dialog);
+
+G_END_DECLS
+
+#endif /* E_CALDAV_CHOOSER_DIALOG_H */
diff --git a/modules/cal-config-caldav/e-caldav-chooser.c b/modules/cal-config-caldav/e-caldav-chooser.c
new file mode 100644
index 0000000..c69f74a
--- /dev/null
+++ b/modules/cal-config-caldav/e-caldav-chooser.c
@@ -0,0 +1,1510 @@
+/*
+ * e-caldav-chooser.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-caldav-chooser.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#include <libsoup/soup.h>
+#include <libsoup/soup-gnome.h>
+
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+#include <libecal/e-source-calendar.h>
+#include <libedataserver/e-source-authentication.h>
+#include <libedataserver/e-source-password.h>
+#include <libedataserver/e-source-webdav.h>
+#include <libedataserverui/e-cell-renderer-color.h>
+#include <libedataserverui/e-passwords.h>
+
+#include "e-source-caldav.h"
+
+#define E_CALDAV_CHOOSER_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_CALDAV_CHOOSER, ECaldavChooserPrivate))
+
+#define XC(string) ((xmlChar *) string)
+
+/* Standard Namespaces */
+#define NS_WEBDAV  "DAV:"
+#define NS_CALDAV  "urn:ietf:params:xml:ns:caldav"
+
+/* Application-Specific Namespaces */
+#define NS_CALSRV  "http://calendarserver.org/ns/";
+#define NS_ICAL    "http://apple.com/ns/ical/";
+
+typedef struct _Context Context;
+
+struct _ECaldavChooserPrivate {
+	ESource *source;
+	ECalClientSourceType source_type;
+	SoupSession *session;
+	GList *user_address_set;
+};
+
+struct _Context {
+	SoupSession *session;
+
+	GCancellable *cancellable;
+	gulong cancelled_handler_id;
+
+	GList *user_address_set;
+};
+
+enum {
+	PROP_0,
+	PROP_SOURCE,
+	PROP_SOURCE_TYPE
+};
+
+/* Mainly for readability. */
+enum {
+	DEPTH_0,
+	DEPTH_1
+};
+
+typedef enum {
+	SUPPORTS_VEVENT   = 1 << 0,
+	SUPPORTS_VTODO    = 1 << 1,
+	SUPPORTS_VJOURNAL = 1 << 2,
+	SUPPORTS_ALL      = 0x7
+} SupportedComponentSet;
+
+enum {
+	COLUMN_DISPLAY_NAME,		/* G_TYPE_STRING */
+	COLUMN_PATH_ENCODED,		/* G_TYPE_STRING */
+	COLUMN_PATH_DECODED,		/* G_TYPE_STRING */
+	COLUMN_COLOR,			/* GDK_TYPE_COLOR */
+	COLUMN_HAS_COLOR,		/* G_TYPE_BOOLEAN */
+	NUM_COLUMNS
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	ECaldavChooser,
+	e_caldav_chooser,
+	GTK_TYPE_TREE_VIEW)
+
+/* Forward Declarations */
+static void	caldav_chooser_get_collection_details
+						(SoupSession *session,
+						 SoupMessage *message,
+						 const gchar *path,
+						 GSimpleAsyncResult *simple);
+
+static void
+context_cancel_message (GCancellable *cancellable,
+                        Context *context)
+{
+	soup_session_abort (context->session);
+}
+
+static Context *
+context_new (ECaldavChooser *chooser,
+             GCancellable *cancellable)
+{
+	Context *context;
+
+	context = g_slice_new0 (Context);
+	context->session = g_object_ref (chooser->priv->session);
+
+	if (cancellable != NULL) {
+		context->cancellable = g_object_ref (cancellable);
+		context->cancelled_handler_id = g_cancellable_connect (
+			context->cancellable,
+			G_CALLBACK (context_cancel_message),
+			context, (GDestroyNotify) NULL);
+	}
+
+	return context;
+}
+
+static void
+context_free (Context *context)
+{
+	if (context->session != NULL)
+		g_object_unref (context->session);
+
+	if (context->cancellable != NULL) {
+		g_cancellable_disconnect (
+			context->cancellable,
+			context->cancelled_handler_id);
+		g_object_unref (context->cancellable);
+	}
+
+	g_list_free_full (
+		context->user_address_set,
+		(GDestroyNotify) g_free);
+
+	g_slice_free (Context, context);
+}
+
+static void
+caldav_chooser_redirect (SoupMessage *message,
+                         SoupSession *session)
+{
+	SoupURI *soup_uri;
+	const gchar *location;
+
+	if (!SOUP_STATUS_IS_REDIRECTION (message->status_code))
+		return;
+
+	location = soup_message_headers_get (
+		message->response_headers, "Location");
+
+	if (location == NULL)
+		return;
+
+	soup_uri = soup_uri_new_with_base (
+		soup_message_get_uri (message), location);
+
+	if (soup_uri == NULL) {
+		soup_message_set_status_full (
+			message, SOUP_STATUS_MALFORMED,
+			"Invalid Redirect URL");
+		return;
+	}
+
+	soup_message_set_uri (message, soup_uri);
+	soup_session_requeue_message (session, message);
+
+	soup_uri_free (soup_uri);
+}
+
+static G_GNUC_NULL_TERMINATED SoupMessage *
+caldav_chooser_new_propfind (SoupSession *session,
+                             SoupURI *soup_uri,
+                             gint depth,
+                             ...)
+{
+	GHashTable *namespaces;
+	SoupMessage *message;
+	xmlDocPtr doc;
+	xmlNodePtr root;
+	xmlNodePtr node;
+	xmlNsPtr ns;
+	xmlOutputBufferPtr output;
+	gpointer key;
+	va_list va;
+
+	/* Construct the XML content. */
+
+	doc = xmlNewDoc (XC ("1.0"));
+	node = xmlNewDocNode (doc, NULL, XC ("propfind"), NULL);
+
+	/* Build a hash table of namespace URIs to xmlNs structs. */
+	namespaces = g_hash_table_new (NULL, NULL);
+
+	ns = xmlNewNs (node, XC (NS_CALDAV), XC ("C"));
+	g_hash_table_insert (namespaces, (gpointer) NS_CALDAV, ns);
+
+	ns = xmlNewNs (node, XC (NS_CALSRV), XC ("CS"));
+	g_hash_table_insert (namespaces, (gpointer) NS_CALSRV, ns);
+
+	ns = xmlNewNs (node, XC (NS_ICAL), XC ("IC"));
+	g_hash_table_insert (namespaces, (gpointer) NS_ICAL, ns);
+
+	/* Add WebDAV last since we use it below. */
+	ns = xmlNewNs (node, XC (NS_WEBDAV), XC ("D"));
+	g_hash_table_insert (namespaces, (gpointer) NS_WEBDAV, ns);
+
+	xmlSetNs (node, ns);
+	xmlDocSetRootElement (doc, node);
+
+	node = xmlNewTextChild (node, ns, XC ("prop"), NULL);
+
+	va_start (va, depth);
+	while ((key = va_arg (va, gpointer)) != NULL) {
+		xmlChar *name;
+
+		ns = g_hash_table_lookup (namespaces, key);
+		name = va_arg (va, xmlChar *);
+
+		if (ns != NULL && name != NULL)
+			xmlNewTextChild (node, ns, name, NULL);
+		else
+			g_warn_if_reached ();
+	}
+	va_end (va);
+
+	g_hash_table_destroy (namespaces);
+
+	/* Construct the SoupMessage. */
+
+	message = soup_message_new_from_uri (SOUP_METHOD_PROPFIND, soup_uri);
+
+	soup_message_set_flags (message, SOUP_MESSAGE_NO_REDIRECT);
+
+	soup_message_headers_append (
+		message->request_headers,
+		"User-Agent", "Evolution/" VERSION);
+
+	soup_message_headers_append (
+		message->request_headers,
+		"Depth", (depth == 0) ? "0" : "1");
+
+	output = xmlAllocOutputBuffer (NULL);
+
+	root = xmlDocGetRootElement (doc);
+	xmlNodeDumpOutput (output, doc, root, 0, 1, NULL);
+	xmlOutputBufferFlush (output);
+
+	soup_message_set_request (
+		message, "application/xml", SOUP_MEMORY_COPY,
+		(gchar *) output->buffer->content, output->buffer->use);
+
+	xmlOutputBufferClose (output);
+
+	soup_message_add_header_handler (
+		message, "got-body", "Location",
+		G_CALLBACK (caldav_chooser_redirect), session);
+
+	return message;
+}
+
+static void
+caldav_chooser_authenticate_cb (SoupSession *session,
+                                SoupMessage *message,
+                                SoupAuth *auth,
+                                gboolean retrying,
+                                ECaldavChooser *chooser)
+{
+	ESource *source;
+	ESourceAuthentication *extension;
+	const gchar *extension_name;
+	const gchar *user;
+	gchar *secure_password = NULL;
+	gchar *insecure_password = NULL;
+
+	source = e_caldav_chooser_get_source (chooser);
+
+	extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;
+	extension = e_source_get_extension (source, extension_name);
+
+	user = e_source_authentication_get_user (extension);
+	if (user == NULL || *user == '\0')
+		return;
+
+	e_source_password_lookup_sync (source, NULL, &secure_password, NULL);
+
+	if (secure_password == NULL || *secure_password == '\0') {
+		GString *prompt;
+		const gchar *host;
+		const gchar *format;
+		gchar *host_markup;
+		gchar *user_markup;
+		gpointer parent;
+
+		prompt = g_string_new (NULL);
+		host = soup_auth_get_host (auth);
+
+		host_markup = g_markup_printf_escaped ("<b>%s</b>", host);
+		user_markup = g_markup_printf_escaped ("<b>%s</b>", user);
+
+		format = _("Enter password for user %s on server %s");
+		g_string_append_printf (
+			prompt, format, user_markup, host_markup);
+
+		g_free (host_markup);
+		g_free (user_markup);
+
+		if (retrying && message->reason_phrase != NULL) {
+			format = _("Previous attempt failed: %s");
+			g_string_append_c (prompt, '\n');
+			g_string_append_printf (
+				prompt, format, message->reason_phrase);
+
+		} else if (retrying && message->status_code != 0) {
+			format = _("Previous attempt failed with code %d");
+			g_string_append_c (prompt, '\n');
+			g_string_append_printf (
+				prompt, format, message->status_code);
+		}
+
+		parent = gtk_widget_get_toplevel (GTK_WIDGET (chooser));
+		parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
+
+		/* XXX The 'key' (3rd) argument doesn't matter since we're
+		 *     passing E_PASSWORDS_REMEMBER_NEVER, it just needs to
+		 *     be non-NULL.  This API is degenerating rapidly. */
+		insecure_password = e_passwords_ask_password (
+			"", NULL, "bogus key", prompt->str,
+			E_PASSWORDS_REMEMBER_NEVER |
+			E_PASSWORDS_DISABLE_REMEMBER |
+			E_PASSWORDS_SECRET, NULL, parent);
+
+		g_string_free (prompt, TRUE);
+	}
+
+	if (secure_password != NULL)
+		soup_auth_authenticate (auth, user, secure_password);
+	else if (insecure_password != NULL)
+		soup_auth_authenticate (auth, user, insecure_password);
+
+	e_source_password_free (secure_password);
+	g_free (insecure_password);
+}
+
+static xmlDocPtr
+caldav_chooser_parse_xml (SoupMessage *message,
+                          const gchar *expected_name,
+                          GError **error)
+{
+	xmlDocPtr doc;
+	xmlNodePtr root;
+
+	/* Loosely copied from the GVFS DAV backend. */
+
+	if (!SOUP_STATUS_IS_SUCCESSFUL (message->status_code)) {
+		GIOErrorEnum error_code;
+
+		switch (message->status_code) {
+			case SOUP_STATUS_CANCELLED:
+				error_code = G_IO_ERROR_CANCELLED;
+				break;
+			case SOUP_STATUS_NOT_FOUND:
+				error_code = G_IO_ERROR_NOT_FOUND;
+				break;
+			case SOUP_STATUS_UNAUTHORIZED:
+			case SOUP_STATUS_PAYMENT_REQUIRED:
+			case SOUP_STATUS_FORBIDDEN:
+				error_code = G_IO_ERROR_PERMISSION_DENIED;
+				break;
+			case SOUP_STATUS_REQUEST_TIMEOUT:
+				error_code = G_IO_ERROR_TIMED_OUT;
+				break;
+			case SOUP_STATUS_CANT_RESOLVE:
+				error_code = G_IO_ERROR_HOST_NOT_FOUND;
+				break;
+			case SOUP_STATUS_NOT_IMPLEMENTED:
+				error_code = G_IO_ERROR_NOT_SUPPORTED;
+				break;
+			case SOUP_STATUS_INSUFFICIENT_STORAGE:
+				error_code = G_IO_ERROR_NO_SPACE;
+				break;
+			default:
+				error_code = G_IO_ERROR_FAILED;
+				break;
+		}
+
+		g_set_error (
+			error, G_IO_ERROR, error_code,
+			_("HTTP Error: %s"), message->reason_phrase);
+
+		return NULL;
+	}
+
+	doc = xmlReadMemory (
+		message->response_body->data,
+		message->response_body->length,
+		"response.xml", NULL,
+		XML_PARSE_NONET |
+		XML_PARSE_NOWARNING |
+		XML_PARSE_NOBLANKS |
+		XML_PARSE_NSCLEAN |
+		XML_PARSE_NOCDATA |
+		XML_PARSE_COMPACT);
+
+	if (doc == NULL) {
+		g_set_error_literal (
+			error, G_IO_ERROR, G_IO_ERROR_FAILED,
+			_("Could not parse response"));
+		return NULL;
+	}
+
+	root = xmlDocGetRootElement (doc);
+
+	if (root == NULL || root->children == NULL) {
+		g_set_error_literal (
+			error, G_IO_ERROR, G_IO_ERROR_FAILED,
+			_("Empty response"));
+		xmlFreeDoc (doc);
+		return NULL;
+	}
+
+	if (g_strcmp0 ((gchar *) root->name, expected_name) != 0) {
+		g_set_error_literal (
+			error, G_IO_ERROR, G_IO_ERROR_FAILED,
+			_("Unexpected reply from server"));
+		xmlFreeDoc (doc);
+		return NULL;
+	}
+
+	return doc;
+}
+
+static xmlXPathObjectPtr
+caldav_chooser_get_xpath (xmlXPathContextPtr xp_ctx,
+                          const gchar *path_format,
+                          ...)
+{
+	xmlXPathObjectPtr xp_obj;
+	va_list va;
+	gchar *path;
+
+	va_start (va, path_format);
+	path = g_strdup_vprintf (path_format, va);
+	va_end (va);
+
+	xp_obj = xmlXPathEvalExpression (XC (path), xp_ctx);
+
+	g_free (path);
+
+	if (xp_obj == NULL)
+		return NULL;
+
+	if (xp_obj->type != XPATH_NODESET) {
+		xmlXPathFreeObject (xp_obj);
+		return NULL;
+	}
+
+	if (xmlXPathNodeSetGetLength (xp_obj->nodesetval) == 0) {
+		xmlXPathFreeObject (xp_obj);
+		return NULL;
+	}
+
+	return xp_obj;
+}
+
+static gchar *
+caldav_chooser_get_xpath_string (xmlXPathContextPtr xp_ctx,
+                                 const gchar *path_format,
+                                 ...)
+{
+	xmlXPathObjectPtr xp_obj;
+	va_list va;
+	gchar *path;
+	gchar *expression;
+	gchar *string = NULL;
+
+	va_start (va, path_format);
+	path = g_strdup_vprintf (path_format, va);
+	va_end (va);
+
+	expression = g_strdup_printf ("string(%s)", path);
+	xp_obj = xmlXPathEvalExpression (XC (expression), xp_ctx);
+	g_free (expression);
+
+	g_free (path);
+
+	if (xp_obj == NULL)
+		return NULL;
+
+	if (xp_obj->type == XPATH_STRING)
+		string = g_strdup ((gchar *) xp_obj->stringval);
+
+	/* If the string is empty, return NULL. */
+	if (string != NULL && *string == '\0') {
+		g_free (string);
+		string = NULL;
+	}
+
+	xmlXPathFreeObject (xp_obj);
+
+	return string;
+}
+
+static void
+caldav_chooser_process_user_address_set (xmlXPathContextPtr xp_ctx,
+                                         Context *context)
+{
+	xmlXPathObjectPtr xp_obj;
+	gint ii, length;
+
+	/* XXX Is response[1] safe to assume? */
+	xp_obj = caldav_chooser_get_xpath (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response"
+		"/D:propstat"
+		"/D:prop"
+		"/C:calendar-user-address-set");
+
+	if (xp_obj == NULL)
+		return;
+
+	length = xmlXPathNodeSetGetLength (xp_obj->nodesetval);
+
+	for (ii = 0; ii < length; ii++) {
+		GList *duplicate;
+		const gchar *address;
+		gchar *href;
+
+		href = caldav_chooser_get_xpath_string (
+			xp_ctx,
+			"/D:multistatus"
+			"/D:response"
+			"/D:propstat"
+			"/D:prop"
+			"/C:calendar-user-address-set"
+			"/D:href[%d]", ii + 1);
+
+		if (href == NULL)
+			continue;
+
+		if (!g_str_has_prefix (href, "mailto:";)) {
+			g_free (href);
+			continue;
+		}
+
+		/* strlen("mailto:";) == 7 */
+		address = href + 7;
+
+		/* Avoid duplicates. */
+		duplicate = g_list_find_custom (
+			context->user_address_set,
+			address, (GCompareFunc) strdup);
+
+		if (duplicate != NULL) {
+			g_free (href);
+			continue;
+		}
+
+		context->user_address_set = g_list_append (
+			context->user_address_set, g_strdup (address));
+
+		g_free (href);
+	}
+
+	xmlXPathFreeObject (xp_obj);
+}
+
+static SupportedComponentSet
+caldav_chooser_get_supported_component_set (xmlXPathContextPtr xp_ctx,
+                                            gint index)
+{
+	xmlXPathObjectPtr xp_obj;
+	SupportedComponentSet set = 0;
+	gint ii, length;
+
+	xp_obj = caldav_chooser_get_xpath (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:propstat"
+		"/D:prop"
+		"/C:supported-calendar-component-set"
+		"/C:comp", index);
+
+	/* If the property is not present, assume all component
+	 * types are supported.  (RFC 4791, Section 5.2.3) */
+	if (xp_obj == NULL)
+		return SUPPORTS_ALL;
+
+	length = xmlXPathNodeSetGetLength (xp_obj->nodesetval);
+
+	for (ii = 0; ii < length; ii++) {
+		gchar *name;
+
+		name = caldav_chooser_get_xpath_string (
+			xp_ctx,
+			"/D:multistatus"
+			"/D:response[%d]"
+			"/D:propstat"
+			"/D:prop"
+			"/C:supported-calendar-component-set"
+			"/C:comp[%d]"
+			"/@name", index, ii + 1);
+
+		if (name == NULL)
+			continue;
+
+		if (g_ascii_strcasecmp (name, "VEVENT"))
+			set |= SUPPORTS_VEVENT;
+		else if (g_ascii_strcasecmp (name, "VTODO"))
+			set |= SUPPORTS_VTODO;
+		else if (g_ascii_strcasecmp (name, "VJOURNAL"))
+			set |= SUPPORTS_VJOURNAL;
+
+		g_free (name);
+	}
+
+	xmlXPathFreeObject (xp_obj);
+
+	return set;
+}
+
+static void
+caldav_chooser_process_response (SoupSession *session,
+                                 SoupMessage *message,
+                                 GSimpleAsyncResult *simple,
+                                 xmlXPathContextPtr xp_ctx,
+                                 gint index)
+{
+	GObject *object;
+	xmlXPathObjectPtr xp_obj;
+	SupportedComponentSet comp_set;
+	ECaldavChooser *chooser;
+	GtkTreeModel *tree_model;
+	GtkTreeIter iter;
+	GdkColor color;
+	gchar *color_spec;
+	gchar *display_name;
+	gchar *href_decoded;
+	gchar *href_encoded;
+	gchar *status_line;
+	guint status;
+	gboolean has_color;
+	gboolean success;
+
+	/* This returns a new reference, for reasons passing understanding. */
+	object = g_async_result_get_source_object (G_ASYNC_RESULT (simple));
+
+	chooser = E_CALDAV_CHOOSER (object);
+	tree_model = gtk_tree_view_get_model (GTK_TREE_VIEW (object));
+
+	g_object_unref (object);
+
+	status_line = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:propstat"
+		"/D:status",
+		index);
+
+	if (status_line == NULL)
+		return;
+
+	success = soup_headers_parse_status_line (
+		status_line, NULL, &status, NULL);
+
+	g_free (status_line);
+
+	if (!success || status != SOUP_STATUS_OK)
+		return;
+
+	href_encoded = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:href",
+		index);
+
+	if (href_encoded == NULL)
+		return;
+
+	href_decoded = soup_uri_decode (href_encoded);
+
+	/* Get the display name or fall back to the href. */
+
+	display_name = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:propstat"
+		"/D:prop"
+		"/D:displayname",
+		index);
+
+	if (display_name == NULL) {
+		gchar *href_copy, *cp;
+
+		href_copy = g_strdup (href_decoded);
+
+		/* Use the last non-empty path segment. */
+		while ((cp = strrchr (href_copy, '/')) != NULL) {
+			if (*(cp + 1) == '\0')
+				*cp = '\0';
+			else {
+				display_name = g_strdup (cp + 1);
+				break;
+			}
+		}
+
+		g_free (href_copy);
+	}
+
+	/* Make sure the resource is a calendar. */
+
+	xp_obj = caldav_chooser_get_xpath (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:propstat"
+		"/D:prop"
+		"/D:resourcetype"
+		"/C:calendar",
+		index);
+
+	if (xp_obj == NULL)
+		goto exit;
+
+	xmlXPathFreeObject (xp_obj);
+
+	/* Get the color specification string. */
+
+	color_spec = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response[%d]"
+		"/D:propstat"
+		"/D:prop"
+		"/IC:calendar-color",
+		index);
+
+	if (color_spec != NULL)
+		has_color = gdk_color_parse (color_spec, &color);
+	else
+		has_color = FALSE;
+
+	g_free (color_spec);
+
+	/* Which calendar component types are supported? */
+
+	comp_set = caldav_chooser_get_supported_component_set (xp_ctx, index);
+
+	switch (e_caldav_chooser_get_source_type (chooser)) {
+		case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
+			if ((comp_set & SUPPORTS_VEVENT) == 0)
+				goto exit;
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
+			if ((comp_set & SUPPORTS_VJOURNAL) == 0)
+				goto exit;
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
+			if ((comp_set & SUPPORTS_VTODO) == 0)
+				goto exit;
+			break;
+		default:
+			goto exit;
+	}
+
+	/* Append a new tree model row. */
+
+	gtk_list_store_append (GTK_LIST_STORE (tree_model), &iter);
+
+	gtk_list_store_set (
+		GTK_LIST_STORE (tree_model), &iter,
+		COLUMN_DISPLAY_NAME, display_name,
+		COLUMN_PATH_ENCODED, href_encoded,
+		COLUMN_PATH_DECODED, href_decoded,
+		COLUMN_COLOR, has_color ? &color : NULL,
+		COLUMN_HAS_COLOR, has_color,
+		-1);
+
+exit:
+	g_free (display_name);
+	g_free (href_decoded);
+	g_free (href_encoded);
+}
+
+static void
+caldav_chooser_collection_details_cb (SoupSession *session,
+                                      SoupMessage *message,
+                                      GSimpleAsyncResult *simple)
+{
+	xmlDocPtr doc;
+	xmlXPathContextPtr xp_ctx;
+	xmlXPathObjectPtr xp_obj;
+	GError *error = NULL;
+
+	doc = caldav_chooser_parse_xml (message, "multistatus", &error);
+
+	if (error != NULL) {
+		g_warn_if_fail (doc == NULL);
+		g_simple_async_result_set_from_error (simple, error);
+		g_error_free (error);
+		goto exit;
+	}
+
+	xp_ctx = xmlXPathNewContext (doc);
+	xmlXPathRegisterNs (xp_ctx, XC ("D"), XC (NS_WEBDAV));
+	xmlXPathRegisterNs (xp_ctx, XC ("C"), XC (NS_CALDAV));
+	xmlXPathRegisterNs (xp_ctx, XC ("CS"), XC (NS_CALSRV));
+	xmlXPathRegisterNs (xp_ctx, XC ("IC"), XC (NS_ICAL));
+
+	xp_obj = caldav_chooser_get_xpath (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response");
+
+	if (xp_obj != NULL) {
+		gint length, ii;
+
+		length = xmlXPathNodeSetGetLength (xp_obj->nodesetval);
+
+		for (ii = 0; ii < length; ii++)
+			caldav_chooser_process_response (
+				session, message, simple, xp_ctx, ii + 1);
+
+		xmlXPathFreeObject (xp_obj);
+	}
+
+	xmlXPathFreeContext (xp_ctx);
+	xmlFreeDoc (doc);
+
+exit:
+	/* If we were cancelled then we're in a GCancellable::cancelled
+	 * signal handler right now and GCancellable has its mutex locked,
+	 * which means calling g_cancellable_disconnect() now will deadlock
+	 * when it too tries to acquire the mutex.  So defer the GAsyncResult
+	 * completion to an idle callback to avoid this deadlock. */
+	g_simple_async_result_complete_in_idle (simple);
+	g_object_unref (simple);
+}
+
+static void
+caldav_chooser_get_collection_details (SoupSession *session,
+                                       SoupMessage *message,
+                                       const gchar *path,
+                                       GSimpleAsyncResult *simple)
+{
+	SoupURI *soup_uri;
+
+	soup_uri = soup_uri_copy (soup_message_get_uri (message));
+	soup_uri_set_path (soup_uri, path);
+
+	message = caldav_chooser_new_propfind (
+		session, soup_uri, DEPTH_1,
+		NS_WEBDAV, XC ("displayname"),
+		NS_WEBDAV, XC ("resourcetype"),
+		NS_CALDAV, XC ("calendar-description"),
+		NS_CALDAV, XC ("supported-calendar-component-set"),
+		NS_CALDAV, XC ("calendar-user-address-set"),
+		NS_CALSRV, XC ("getctag"),
+		NS_ICAL,   XC ("calendar-color"),
+		NULL);
+
+	/* This takes ownership of the message. */
+	soup_session_queue_message (
+		session, message, (SoupSessionCallback)
+		caldav_chooser_collection_details_cb, simple);
+
+	soup_uri_free (soup_uri);
+}
+
+static void
+caldav_chooser_calendar_home_set_cb (SoupSession *session,
+                                     SoupMessage *message,
+                                     GSimpleAsyncResult *simple)
+{
+	Context *context;
+	SoupURI *soup_uri;
+	xmlDocPtr doc;
+	xmlXPathContextPtr xp_ctx;
+	xmlXPathObjectPtr xp_obj;
+	gchar *calendar_home_set;
+	GError *error = NULL;
+
+	context = g_simple_async_result_get_op_res_gpointer (simple);
+
+	doc = caldav_chooser_parse_xml (message, "multistatus", &error);
+
+	if (error != NULL) {
+		g_simple_async_result_set_from_error (simple, error);
+		g_simple_async_result_complete (simple);
+		g_object_unref (simple);
+		g_error_free (error);
+		return;
+	}
+
+	g_return_if_fail (doc != NULL);
+
+	xp_ctx = xmlXPathNewContext (doc);
+	xmlXPathRegisterNs (xp_ctx, XC ("D"), XC (NS_WEBDAV));
+	xmlXPathRegisterNs (xp_ctx, XC ("C"), XC (NS_CALDAV));
+
+	/* Record any "C:calendar-user-address-set" properties. */
+	caldav_chooser_process_user_address_set (xp_ctx, context);
+
+	/* Try to find the calendar home URL using the
+	 * following properties in order of preference:
+	 *
+	 *   "C:calendar-home-set"
+	 *   "D:current-user-principal"
+	 *   "D:principal-URL"
+	 *
+	 * If the second or third URL preference is used, rerun
+	 * the PROPFIND method on that URL at Depth=1 in hopes
+	 * of getting a proper "C:calendar-home-set" property.
+	 */
+
+	/* FIXME There can be multiple "D:href" elements for a
+	 *       "C:calendar-home-set".  We're only processing
+	 *       the first one.  Need to iterate over them. */
+
+	calendar_home_set = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response"
+		"/D:propstat"
+		"/D:prop"
+		"/C:calendar-home-set"
+		"/D:href");
+
+	if (calendar_home_set != NULL)
+		goto get_collection_details;
+
+	g_free (calendar_home_set);
+
+	calendar_home_set = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response"
+		"/D:propstat"
+		"/D:prop"
+		"/D:current-user-principal"
+		"/D:href");
+
+	if (calendar_home_set != NULL)
+		goto retry_propfind;
+
+	g_free (calendar_home_set);
+
+	calendar_home_set = caldav_chooser_get_xpath_string (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response"
+		"/D:propstat"
+		"/D:prop"
+		"/D:principal-URL"
+		"/D:href");
+
+	if (calendar_home_set != NULL)
+		goto retry_propfind;
+
+	g_free (calendar_home_set);
+	calendar_home_set = NULL;
+
+	/* None of the aforementioned properties are present.  If the
+	 * user-supplied CalDAV URL is a calendar resource, use that. */
+
+	xp_obj = caldav_chooser_get_xpath (
+		xp_ctx,
+		"/D:multistatus"
+		"/D:response"
+		"/D:propstat"
+		"/D:prop"
+		"/D:resourcetype"
+		"/C:calendar");
+
+	if (xp_obj != NULL) {
+		soup_uri = soup_message_get_uri (message);
+
+		if (soup_uri->path != NULL && *soup_uri->path != '\0') {
+			gchar *slash;
+
+			soup_uri = soup_uri_copy (soup_uri);
+
+			slash = strrchr (soup_uri->path, '/');
+			while (slash != NULL && slash != soup_uri->path) {
+
+				if (slash[1] != '\0') {
+					slash[1] = '\0';
+					calendar_home_set =
+						g_strdup (soup_uri->path);
+					break;
+				}
+
+				slash[0] = '\0';
+				slash = strrchr (soup_uri->path, '/');
+			}
+
+			soup_uri_free (soup_uri);
+		}
+
+		xmlXPathFreeObject (xp_obj);
+	}
+
+	if (calendar_home_set == NULL || *calendar_home_set == '\0') {
+		g_free (calendar_home_set);
+		g_simple_async_result_set_error (
+			simple, G_IO_ERROR, G_IO_ERROR_FAILED,
+			_("Could not locate user's calendars"));
+		g_simple_async_result_complete (simple);
+		g_object_unref (simple);
+		return;
+	}
+
+get_collection_details:
+
+	xmlXPathFreeContext (xp_ctx);
+	xmlFreeDoc (doc);
+
+	caldav_chooser_get_collection_details (
+		session, message, calendar_home_set, simple);
+
+	g_free (calendar_home_set);
+
+	return;
+
+retry_propfind:
+
+	xmlXPathFreeContext (xp_ctx);
+	xmlFreeDoc (doc);
+
+	soup_uri = soup_uri_copy (soup_message_get_uri (message));
+	soup_uri_set_path (soup_uri, calendar_home_set);
+
+	/* Note that we omit "D:resourcetype", "D:current-user-principal"
+	 * and "D:principal-URL" in order to short-circuit the recursion. */
+	message = caldav_chooser_new_propfind (
+		session, soup_uri, DEPTH_1,
+		NS_CALDAV, XC ("calendar-home-set"),
+		NS_CALDAV, XC ("calendar-user-address-set"),
+		NULL);
+
+	/* This takes ownership of the message. */
+	soup_session_queue_message (
+		session, message, (SoupSessionCallback)
+		caldav_chooser_calendar_home_set_cb, simple);
+
+	soup_uri_free (soup_uri);
+
+	g_free (calendar_home_set);
+}
+
+static void
+caldav_chooser_set_source (ECaldavChooser *chooser,
+                           ESource *source)
+{
+	g_return_if_fail (E_IS_SOURCE (source));
+	g_return_if_fail (chooser->priv->source == NULL);
+
+	chooser->priv->source = g_object_ref (source);
+}
+
+static void
+caldav_chooser_set_source_type (ECaldavChooser *chooser,
+                                ECalClientSourceType source_type)
+{
+	chooser->priv->source_type = source_type;
+}
+
+static void
+caldav_chooser_set_property (GObject *object,
+                             guint property_id,
+                             const GValue *value,
+                             GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SOURCE:
+			caldav_chooser_set_source (
+				E_CALDAV_CHOOSER (object),
+				g_value_get_object (value));
+			return;
+
+		case PROP_SOURCE_TYPE:
+			caldav_chooser_set_source_type (
+				E_CALDAV_CHOOSER (object),
+				g_value_get_enum (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+caldav_chooser_get_property (GObject *object,
+                             guint property_id,
+                             GValue *value,
+                             GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SOURCE:
+			g_value_set_object (
+				value, e_caldav_chooser_get_source (
+				E_CALDAV_CHOOSER (object)));
+			return;
+
+		case PROP_SOURCE_TYPE:
+			g_value_set_enum (
+				value, e_caldav_chooser_get_source_type (
+				E_CALDAV_CHOOSER (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+caldav_chooser_dispose (GObject *object)
+{
+	ECaldavChooserPrivate *priv;
+
+	priv = E_CALDAV_CHOOSER_GET_PRIVATE (object);
+
+	if (priv->source != NULL) {
+		g_object_unref (priv->source);
+		priv->source = NULL;
+	}
+
+	if (priv->session != NULL) {
+		g_object_unref (priv->session);
+		priv->session = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_caldav_chooser_parent_class)->dispose (object);
+}
+
+static void
+caldav_chooser_finalize (GObject *object)
+{
+	ECaldavChooserPrivate *priv;
+
+	priv = E_CALDAV_CHOOSER_GET_PRIVATE (object);
+
+	g_list_free_full (
+		priv->user_address_set,
+		(GDestroyNotify) g_free);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_caldav_chooser_parent_class)->finalize (object);
+}
+
+static void
+caldav_chooser_constructed (GObject *object)
+{
+	GtkTreeView *tree_view;
+	GtkListStore *list_store;
+	GtkCellRenderer *renderer;
+	GtkTreeViewColumn *column;
+
+	tree_view = GTK_TREE_VIEW (object);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_caldav_chooser_parent_class)->constructed (object);
+
+	list_store = gtk_list_store_new (
+		NUM_COLUMNS,
+		G_TYPE_STRING,		/* COLUMN_DISPLAY_NAME */
+		G_TYPE_STRING,		/* COLUMN_PATH_ENCODED */
+		G_TYPE_STRING,		/* COLUMN_PATH_DECODED */
+		GDK_TYPE_COLOR,		/* COLUMN_COLOR */
+		G_TYPE_BOOLEAN);	/* COLUMN_HAS_COLOR */
+
+	gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (list_store));
+
+	column = gtk_tree_view_column_new ();
+	gtk_tree_view_column_set_expand (column, TRUE);
+	gtk_tree_view_column_set_title (column, _("Name"));
+	gtk_tree_view_insert_column (tree_view, column, -1);
+
+	renderer = e_cell_renderer_color_new ();
+	gtk_tree_view_column_pack_start (column, renderer, FALSE);
+	gtk_tree_view_column_set_attributes (
+		column, renderer,
+		"color", COLUMN_COLOR,
+		"visible", COLUMN_HAS_COLOR,
+		NULL);
+
+	renderer = gtk_cell_renderer_text_new ();
+	gtk_tree_view_column_pack_start (column, renderer, TRUE);
+	gtk_tree_view_column_set_attributes (
+		column, renderer,
+		"text", COLUMN_DISPLAY_NAME,
+		NULL);
+
+	column = gtk_tree_view_column_new ();
+	gtk_tree_view_column_set_expand (column, FALSE);
+	gtk_tree_view_column_set_title (column, _("Path"));
+	gtk_tree_view_insert_column (tree_view, column, -1);
+
+	renderer = gtk_cell_renderer_text_new ();
+	gtk_tree_view_column_pack_start (column, renderer, TRUE);
+	gtk_tree_view_column_set_attributes (
+		column, renderer,
+		"text", COLUMN_PATH_DECODED,
+		NULL);
+}
+
+static void
+e_caldav_chooser_class_init (ECaldavChooserClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (class, sizeof (ECaldavChooserPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = caldav_chooser_set_property;
+	object_class->get_property = caldav_chooser_get_property;
+	object_class->dispose = caldav_chooser_dispose;
+	object_class->finalize = caldav_chooser_finalize;
+	object_class->constructed = caldav_chooser_constructed;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SOURCE,
+		g_param_spec_object (
+			"source",
+			"Source",
+			"CalDAV data source",
+			E_TYPE_SOURCE,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SOURCE_TYPE,
+		g_param_spec_enum (
+			"source-type",
+			"Source Type",
+			"The iCalendar object type",
+			E_TYPE_CAL_CLIENT_SOURCE_TYPE,
+			E_CAL_CLIENT_SOURCE_TYPE_EVENTS,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+e_caldav_chooser_class_finalize (ECaldavChooserClass *class)
+{
+}
+
+static void
+e_caldav_chooser_init (ECaldavChooser *chooser)
+{
+	chooser->priv = E_CALDAV_CHOOSER_GET_PRIVATE (chooser);
+
+	chooser->priv->session = soup_session_async_new ();
+
+	if (g_getenv ("CALDAV_DEBUG") != NULL) {
+		SoupLogger *logger;
+
+		logger = soup_logger_new (
+			SOUP_LOGGER_LOG_BODY, 100 * 1024 * 1024);
+		soup_session_add_feature (
+			chooser->priv->session,
+			SOUP_SESSION_FEATURE (logger));
+		g_object_unref (logger);
+	}
+
+	/* This adds proxy support. */
+	soup_session_add_feature_by_type (
+		chooser->priv->session, SOUP_TYPE_GNOME_FEATURES_2_26);
+
+	g_signal_connect (
+		chooser->priv->session, "authenticate",
+		G_CALLBACK (caldav_chooser_authenticate_cb), chooser);
+}
+
+void
+e_caldav_chooser_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_caldav_chooser_register_type (type_module);
+}
+
+GtkWidget *
+e_caldav_chooser_new (ESource *source,
+                      ECalClientSourceType source_type)
+{
+	g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+
+	return g_object_new (
+		E_TYPE_CALDAV_CHOOSER,
+		"source", source, "source-type", source_type, NULL);
+}
+
+ESource *
+e_caldav_chooser_get_source (ECaldavChooser *chooser)
+{
+	g_return_val_if_fail (E_IS_CALDAV_CHOOSER (chooser), NULL);
+
+	return chooser->priv->source;
+}
+
+ECalClientSourceType
+e_caldav_chooser_get_source_type (ECaldavChooser *chooser)
+{
+	g_return_val_if_fail (E_IS_CALDAV_CHOOSER (chooser), 0);
+
+	return chooser->priv->source_type;
+}
+
+void
+e_caldav_chooser_populate (ECaldavChooser *chooser,
+                           GCancellable *cancellable,
+                           GAsyncReadyCallback callback,
+                           gpointer user_data)
+{
+	Context *context;
+	ESource *source;
+	SoupURI *soup_uri;
+	SoupMessage *message;
+	ESourceWebdav *extension;
+	GtkTreeModel *tree_model;
+	GSimpleAsyncResult *simple;
+	const gchar *extension_name;
+
+	g_return_if_fail (E_IS_CALDAV_CHOOSER (chooser));
+
+	tree_model = gtk_tree_view_get_model (GTK_TREE_VIEW (chooser));
+	gtk_list_store_clear (GTK_LIST_STORE (tree_model));
+	soup_session_abort (chooser->priv->session);
+
+	source = e_caldav_chooser_get_source (chooser);
+	extension_name = E_SOURCE_EXTENSION_CALDAV_BACKEND;
+	extension = e_source_get_extension (source, extension_name);
+
+	soup_uri = e_source_webdav_get_soup_uri (extension);
+	g_return_if_fail (soup_uri != NULL);
+
+	context = context_new (chooser, cancellable);
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (chooser), callback,
+		user_data, e_caldav_chooser_populate);
+
+	g_simple_async_result_set_op_res_gpointer (
+		simple, context, (GDestroyNotify) context_free);
+
+	message = caldav_chooser_new_propfind (
+		context->session, soup_uri, DEPTH_0,
+		NS_WEBDAV, XC ("resourcetype"),
+		NS_CALDAV, XC ("calendar-home-set"),
+		NS_CALDAV, XC ("calendar-user-address-set"),
+		NS_WEBDAV, XC ("current-user-principal"),
+		NS_WEBDAV, XC ("principal-URL"),
+		NULL);
+
+	/* This takes ownership of the message. */
+	soup_session_queue_message (
+		context->session, message, (SoupSessionCallback)
+		caldav_chooser_calendar_home_set_cb, simple);
+
+	soup_uri_free (soup_uri);
+}
+
+gboolean
+e_caldav_chooser_populate_finish (ECaldavChooser *chooser,
+                                  GAsyncResult *result,
+                                  GError **error)
+{
+	GSimpleAsyncResult *simple;
+	Context *context;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (chooser),
+		e_caldav_chooser_populate), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+	context = g_simple_async_result_get_op_res_gpointer (simple);
+
+	if (g_simple_async_result_propagate_error (simple, error))
+		return FALSE;
+
+	/* Transfer user addresses to the private struct. */
+
+	g_list_free_full (
+		chooser->priv->user_address_set,
+		(GDestroyNotify) g_free);
+
+	chooser->priv->user_address_set = context->user_address_set;
+	context->user_address_set = NULL;
+
+	return TRUE;
+}
+
+gboolean
+e_caldav_chooser_apply_selected (ECaldavChooser *chooser)
+{
+	ESourceWebdav *webdav_extension;
+	GtkTreeSelection *selection;
+	GtkTreeModel *model;
+	GtkTreeIter iter;
+	ESource *source;
+	GdkColor *color;
+	SoupURI *soup_uri;
+	gboolean has_color;
+	gchar *display_name;
+	gchar *path_encoded;
+
+	g_return_val_if_fail (E_IS_CALDAV_CHOOSER (chooser), FALSE);
+
+	source = e_caldav_chooser_get_source (chooser);
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (chooser));
+
+	if (!gtk_tree_selection_get_selected (selection, &model, &iter))
+		return FALSE;
+
+	gtk_tree_model_get (
+		model, &iter,
+		COLUMN_DISPLAY_NAME, &display_name,
+		COLUMN_PATH_ENCODED, &path_encoded,
+		COLUMN_HAS_COLOR, &has_color,
+		COLUMN_COLOR, &color,
+		-1);
+
+	webdav_extension = e_source_get_extension (
+		source, E_SOURCE_EXTENSION_CALDAV_BACKEND);
+
+	e_source_set_display_name (source, display_name);
+
+	e_source_webdav_set_display_name (webdav_extension, display_name);
+
+	/* XXX Might be easier to expose get/set_path functions? */
+	soup_uri = e_source_webdav_get_soup_uri (webdav_extension);
+	soup_uri_set_path (soup_uri, path_encoded);
+	e_source_webdav_set_soup_uri (webdav_extension, soup_uri);
+	soup_uri_free (soup_uri);
+
+	/* XXX For now just pick the first user address in the list.
+	 *     Might be better to compare the list against our own mail
+	 *     accounts and give preference to matches (especially if an
+	 *     address matches the default mail account), but I'm not sure
+	 *     if multiple user addresses are common enough to justify the
+	 *     extra effort. */
+	if (chooser->priv->user_address_set != NULL)
+		e_source_caldav_set_email (
+			E_SOURCE_CALDAV (webdav_extension),
+			chooser->priv->user_address_set->data);
+
+	if (has_color) {
+		ESourceSelectable *selectable_extension;
+		const gchar *extension_name;
+		gchar *color_spec;
+
+		switch (e_caldav_chooser_get_source_type (chooser)) {
+			case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
+				extension_name = E_SOURCE_EXTENSION_CALENDAR;
+				break;
+			case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
+				extension_name = E_SOURCE_EXTENSION_MEMO_LIST;
+				break;
+			case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
+				extension_name = E_SOURCE_EXTENSION_TASK_LIST;
+				break;
+			default:
+				g_return_val_if_reached (TRUE);
+		}
+
+		selectable_extension =
+			e_source_get_extension (source, extension_name);
+
+		color_spec = gdk_color_to_string (color);
+		e_source_selectable_set_color (
+			selectable_extension, color_spec);
+		g_free (color_spec);
+	}
+
+	gdk_color_free (color);
+	g_free (display_name);
+	g_free (path_encoded);
+
+	return TRUE;
+}
+
diff --git a/modules/cal-config-caldav/e-caldav-chooser.h b/modules/cal-config-caldav/e-caldav-chooser.h
new file mode 100644
index 0000000..006d57d
--- /dev/null
+++ b/modules/cal-config-caldav/e-caldav-chooser.h
@@ -0,0 +1,77 @@
+/*
+ * e-caldav-chooser.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_CALDAV_CHOOSER_H
+#define E_CALDAV_CHOOSER_H
+
+#include <gtk/gtk.h>
+#include <libecal/e-cal-client.h>
+
+/* Standard GObject macros */
+#define E_TYPE_CALDAV_CHOOSER \
+	(e_caldav_chooser_get_type ())
+#define E_CALDAV_CHOOSER(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_CALDAV_CHOOSER, ECaldavChooser))
+#define E_CALDAV_CHOOSER_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_CALDAV_CHOOSER, ECaldavChooserClass))
+#define E_IS_CALDAV_CHOOSER(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_CALDAV_CHOOSER))
+#define E_IS_CALDAV_CHOOSER_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_CALDAV_CHOOSER))
+#define E_CALDAV_CHOOSER_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_CALDAV_CHOOSER, ECaldavChooserClass))
+
+G_BEGIN_DECLS
+
+typedef struct _ECaldavChooser ECaldavChooser;
+typedef struct _ECaldavChooserClass ECaldavChooserClass;
+typedef struct _ECaldavChooserPrivate ECaldavChooserPrivate;
+
+struct _ECaldavChooser {
+	GtkTreeView parent;
+	ECaldavChooserPrivate *priv;
+};
+
+struct _ECaldavChooserClass {
+	GtkTreeViewClass parent_class;
+};
+
+GType		e_caldav_chooser_get_type	(void);
+void		e_caldav_chooser_type_register	(GTypeModule *type_module);
+GtkWidget *	e_caldav_chooser_new		(ESource *source,
+						 ECalClientSourceType source_type);
+ESource *	e_caldav_chooser_get_source	(ECaldavChooser *chooser);
+ECalClientSourceType
+		e_caldav_chooser_get_source_type
+						(ECaldavChooser *chooser);
+void		e_caldav_chooser_populate	(ECaldavChooser *chooser,
+						 GCancellable *cancellable,
+						 GAsyncReadyCallback callback,
+						 gpointer user_data);
+gboolean	e_caldav_chooser_populate_finish
+						(ECaldavChooser *chooser,
+						 GAsyncResult *result,
+						 GError **error);
+gboolean	e_caldav_chooser_apply_selected	(ECaldavChooser *chooser);
+
+#endif /* E_CALDAV_CHOOSER_H */
diff --git a/modules/cal-config-caldav/e-source-caldav.c b/modules/cal-config-caldav/e-source-caldav.c
new file mode 100644
index 0000000..d6e1462
--- /dev/null
+++ b/modules/cal-config-caldav/e-source-caldav.c
@@ -0,0 +1,201 @@
+/*
+ * e-source-caldav.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-source-caldav.h"
+
+#define E_SOURCE_CALDAV_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_SOURCE_CALDAV, ESourceCaldavPrivate))
+
+struct _ESourceCaldavPrivate {
+	gboolean autoschedule;
+	gchar *email;
+};
+
+enum {
+	PROP_0,
+	PROP_AUTOSCHEDULE,
+	PROP_EMAIL
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	ESourceCaldav,
+	e_source_caldav,
+	E_TYPE_SOURCE_WEBDAV)
+
+static void
+source_caldav_set_property (GObject *object,
+                            guint property_id,
+                            const GValue *value,
+                            GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_AUTOSCHEDULE:
+			e_source_caldav_set_autoschedule (
+				E_SOURCE_CALDAV (object),
+				g_value_get_boolean (value));
+			return;
+
+		case PROP_EMAIL:
+			e_source_caldav_set_email (
+				E_SOURCE_CALDAV (object),
+				g_value_get_string (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_caldav_get_property (GObject *object,
+                            guint property_id,
+                            GValue *value,
+                            GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_AUTOSCHEDULE:
+			g_value_set_boolean (
+				value,
+				e_source_caldav_get_autoschedule (
+				E_SOURCE_CALDAV (object)));
+			return;
+
+		case PROP_EMAIL:
+			g_value_set_string (
+				value,
+				e_source_caldav_get_email (
+				E_SOURCE_CALDAV (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_caldav_finalize (GObject *object)
+{
+	ESourceCaldavPrivate *priv;
+
+	priv = E_SOURCE_CALDAV_GET_PRIVATE (object);
+
+	g_free (priv->email);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_source_caldav_parent_class)->finalize (object);
+}
+
+static void
+e_source_caldav_class_init (ESourceCaldavClass *class)
+{
+	GObjectClass *object_class;
+	ESourceExtensionClass *extension_class;
+
+	g_type_class_add_private (class, sizeof (ESourceCaldavPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = source_caldav_set_property;
+	object_class->get_property = source_caldav_get_property;
+	object_class->finalize = source_caldav_finalize;
+
+	extension_class = E_SOURCE_EXTENSION_CLASS (class);
+	extension_class->name = E_SOURCE_EXTENSION_CALDAV_BACKEND;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_AUTOSCHEDULE,
+		g_param_spec_boolean (
+			"autoschedule",
+			"Auto-Schedule",
+			"Server handles meeting invitations",
+			FALSE,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT |
+			E_SOURCE_PARAM_SETTING));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_EMAIL,
+		g_param_spec_string (
+			"email",
+			"Email",
+			"User's email address",
+			"",
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT |
+			E_SOURCE_PARAM_SETTING));
+}
+
+static void
+e_source_caldav_class_finalize (ESourceCaldavClass *class)
+{
+}
+
+static void
+e_source_caldav_init (ESourceCaldav *extension)
+{
+	extension->priv = E_SOURCE_CALDAV_GET_PRIVATE (extension);
+}
+
+void
+e_source_caldav_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_source_caldav_register_type (type_module);
+}
+
+gboolean
+e_source_caldav_get_autoschedule (ESourceCaldav *extension)
+{
+	g_return_val_if_fail (E_IS_SOURCE_CALDAV (extension), FALSE);
+
+	return extension->priv->autoschedule;
+}
+
+void
+e_source_caldav_set_autoschedule (ESourceCaldav *extension,
+                                  gboolean autoschedule)
+{
+	g_return_if_fail (E_IS_SOURCE_CALDAV (extension));
+
+	extension->priv->autoschedule = autoschedule;
+
+	g_object_notify (G_OBJECT (extension), "autoschedule");
+}
+
+const gchar *
+e_source_caldav_get_email (ESourceCaldav *extension)
+{
+	g_return_val_if_fail (E_IS_SOURCE_CALDAV (extension), NULL);
+
+	return extension->priv->email;
+}
+
+void
+e_source_caldav_set_email (ESourceCaldav *extension,
+                           const gchar *email)
+{
+	g_return_if_fail (E_IS_SOURCE_CALDAV (extension));
+
+	g_free (extension->priv->email);
+	extension->priv->email = g_strdup (email);
+
+	g_object_notify (G_OBJECT (extension), "email");
+}
+
diff --git a/modules/cal-config-caldav/e-source-caldav.h b/modules/cal-config-caldav/e-source-caldav.h
new file mode 100644
index 0000000..7e46d52
--- /dev/null
+++ b/modules/cal-config-caldav/e-source-caldav.h
@@ -0,0 +1,71 @@
+/*
+ * e-source-caldav.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 <webcal://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_SOURCE_CALDAV_H
+#define E_SOURCE_CALDAV_H
+
+#include <libedataserver/e-source-webdav.h>
+
+/* Standard GObject macros */
+#define E_TYPE_SOURCE_CALDAV \
+	(e_source_caldav_get_type ())
+#define E_SOURCE_CALDAV(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_SOURCE_CALDAV, ESourceCaldav))
+#define E_SOURCE_CALDAV_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_SOURCE_CALDAV, ESourceCaldavClass))
+#define E_IS_SOURCE_CALDAV(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_SOURCE_CALDAV))
+#define E_IS_SOURCE_CALDAV_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_SOURCE_CALDAV))
+#define E_SOURCE_CALDAV_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_SOURCE_CALDAV, ESourceCaldavClass))
+
+#define E_SOURCE_EXTENSION_CALDAV_BACKEND "CalDAV Backend"
+
+G_BEGIN_DECLS
+
+typedef struct _ESourceCaldav ESourceCaldav;
+typedef struct _ESourceCaldavClass ESourceCaldavClass;
+typedef struct _ESourceCaldavPrivate ESourceCaldavPrivate;
+
+struct _ESourceCaldav {
+	ESourceWebdav parent;
+	ESourceCaldavPrivate *priv;
+};
+
+struct _ESourceCaldavClass {
+	ESourceWebdavClass parent_class;
+};
+
+GType		e_source_caldav_get_type	(void);
+void		e_source_caldav_type_register	(GTypeModule *type_module);
+gboolean	e_source_caldav_get_autoschedule
+						(ESourceCaldav *extension);
+void		e_source_caldav_set_autoschedule
+						(ESourceCaldav *extension,
+						 gboolean autoschedule);
+const gchar *	e_source_caldav_get_email	(ESourceCaldav *extension);
+void		e_source_caldav_set_email	(ESourceCaldav *extension,
+						 const gchar *email);
+
+#endif /* E_SOURCE_CALDAV_H */
diff --git a/modules/cal-config-caldav/evolution-cal-config-caldav.c b/modules/cal-config-caldav/evolution-cal-config-caldav.c
new file mode 100644
index 0000000..2e0d4c2
--- /dev/null
+++ b/modules/cal-config-caldav/evolution-cal-config-caldav.c
@@ -0,0 +1,432 @@
+/*
+ * evolution-cal-config-caldav.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 <config.h>
+#include <glib/gi18n-lib.h>
+
+#include <libebackend/e-extension.h>
+#include <libedataserver/e-source-authentication.h>
+#include <libedataserver/e-source-security.h>
+
+#include <misc/e-interval-chooser.h>
+#include <misc/e-source-config-backend.h>
+#include <calendar/gui/e-cal-source-config.h>
+
+#include "e-caldav-chooser.h"
+#include "e-caldav-chooser-dialog.h"
+#include "e-source-caldav.h"
+
+#define HTTP_PORT 80
+#define HTTPS_PORT 443
+
+typedef ESourceConfigBackend ECalConfigCalDAV;
+typedef ESourceConfigBackendClass ECalConfigCalDAVClass;
+
+typedef struct _Context Context;
+
+struct _Context {
+	ESourceConfigBackend *backend;		/* not referenced */
+	ESource *scratch_source;		/* not referenced */
+
+	GtkWidget *server_entry;
+	GtkWidget *user_entry;
+	GtkWidget *path_entry;
+	GtkWidget *email_entry;
+	GtkWidget *find_button;
+	GtkWidget *autoschedule_toggle;
+
+	GSocketConnectable *connectable;
+};
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_cal_config_caldav_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (
+	ECalConfigCalDAV,
+	e_cal_config_caldav,
+	E_TYPE_SOURCE_CONFIG_BACKEND)
+
+static Context *
+cal_config_caldav_context_new (ESourceConfigBackend *backend,
+                               ESource *scratch_source)
+{
+	Context *context;
+
+	context = g_slice_new0 (Context);
+	context->backend = backend;
+	context->scratch_source = scratch_source;
+
+	return context;
+}
+
+static void
+cal_config_caldav_context_free (Context *context)
+{
+	g_object_unref (context->server_entry);
+	g_object_unref (context->user_entry);
+	g_object_unref (context->path_entry);
+	g_object_unref (context->email_entry);
+	g_object_unref (context->find_button);
+	g_object_unref (context->autoschedule_toggle);
+
+	if (context->connectable != NULL)
+		g_object_unref (context->connectable);
+
+	g_slice_free (Context, context);
+}
+
+static gboolean
+cal_config_caldav_path_encoded_to_decoded (GBinding *binding,
+                                           const GValue *source_value,
+                                           GValue *target_value,
+                                           gpointer user_data)
+{
+	const gchar *encoded_path;
+	gchar *decoded_path;
+
+	encoded_path = g_value_get_string (source_value);
+	if (encoded_path == NULL || *encoded_path == '\0')
+		return FALSE;
+
+	decoded_path = soup_uri_decode (encoded_path);
+	g_value_set_string (target_value, decoded_path);
+	g_free (decoded_path);
+
+	return TRUE;
+}
+
+static gboolean
+cal_config_caldav_path_decoded_to_encoded (GBinding *binding,
+                                           const GValue *source_value,
+                                           GValue *target_value,
+                                           gpointer user_data)
+{
+	const gchar *decoded_path;
+	gchar *encoded_path;
+
+	decoded_path = g_value_get_string (source_value);
+	if (decoded_path == NULL || *decoded_path == '\0')
+		return FALSE;
+
+	encoded_path = soup_uri_encode (decoded_path, NULL);
+	g_value_set_string (target_value, encoded_path);
+	g_free (encoded_path);
+
+	return TRUE;
+}
+
+static gchar *
+cal_config_caldav_get_server (ESource *scratch_source)
+{
+	ESourceAuthentication *authentication_extension;
+	ESourceSecurity *security_extension;
+	const gchar *host;
+	gboolean secure;
+	guint16 default_port;
+	guint16 port;
+
+	authentication_extension = e_source_get_extension (
+		scratch_source, E_SOURCE_EXTENSION_AUTHENTICATION);
+	host = e_source_authentication_get_host (authentication_extension);
+	port = e_source_authentication_get_port (authentication_extension);
+
+	security_extension = e_source_get_extension (
+		scratch_source, E_SOURCE_EXTENSION_SECURITY);
+	secure = e_source_security_get_secure (security_extension);
+	default_port = secure ? HTTPS_PORT: HTTP_PORT;
+
+	if (port == 0)
+		port = default_port;
+
+	if (host == NULL || *host == '\0')
+		return NULL;
+
+	if (port == default_port)
+		return g_strdup (host);
+
+	return g_strdup_printf ("%s:%u", host, port);
+}
+
+static void
+cal_config_caldav_server_changed_cb (GtkEntry *entry,
+                                     Context *context)
+{
+	ESourceAuthentication *authentication_extension;
+	ESourceSecurity *security_extension;
+	const gchar *host_and_port;
+	const gchar *host;
+	gboolean secure;
+	guint16 default_port;
+	guint16 port;
+
+	if (context->connectable != NULL) {
+		g_object_unref (context->connectable);
+		context->connectable = NULL;
+	}
+
+	authentication_extension = e_source_get_extension (
+		context->scratch_source, E_SOURCE_EXTENSION_AUTHENTICATION);
+
+	security_extension = e_source_get_extension (
+		context->scratch_source, E_SOURCE_EXTENSION_SECURITY);
+
+	host_and_port = gtk_entry_get_text (entry);
+	secure = e_source_security_get_secure (security_extension);
+	default_port = secure ? HTTPS_PORT : HTTP_PORT;
+
+	if (host_and_port != NULL && *host_and_port != '\0')
+		context->connectable = g_network_address_parse (
+			host_and_port, default_port, NULL);
+
+	if (context->connectable != NULL) {
+		GNetworkAddress *address;
+
+		address = G_NETWORK_ADDRESS (context->connectable);
+		host = g_network_address_get_hostname (address);
+		port = g_network_address_get_port (address);
+	} else {
+		host = NULL;
+		port = 0;
+	}
+
+	e_source_authentication_set_host (authentication_extension, host);
+	e_source_authentication_set_port (authentication_extension, port);
+}
+
+static void
+cal_config_caldav_run_dialog (GtkButton *button,
+                              Context *context)
+{
+	ESourceConfig *config;
+	ECalClientSourceType source_type;
+	GtkWidget *dialog;
+	GtkWidget *widget;
+	gpointer parent;
+
+	config = e_source_config_backend_get_config (context->backend);
+
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (config));
+	parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
+
+	source_type = e_cal_source_config_get_source_type (
+		E_CAL_SOURCE_CONFIG (config));
+
+	widget = e_caldav_chooser_new (context->scratch_source, source_type);
+
+	dialog = e_caldav_chooser_dialog_new (
+		E_CALDAV_CHOOSER (widget), parent);
+
+	if (parent != NULL)
+		g_object_bind_property (
+			parent, "icon-name",
+			dialog, "icon-name",
+			G_BINDING_SYNC_CREATE);
+
+	gtk_dialog_run (GTK_DIALOG (dialog));
+
+	gtk_widget_destroy (dialog);
+}
+
+static void
+cal_config_caldav_insert_widgets (ESourceConfigBackend *backend,
+                                  ESource *scratch_source)
+{
+	ESourceConfig *config;
+	ESourceExtension *extension;
+	ECalClientSourceType source_type;
+	GtkWidget *widget;
+	Context *context;
+	gchar *text;
+	const gchar *extension_name;
+	const gchar *label;
+	const gchar *uid;
+
+	context = cal_config_caldav_context_new (backend, scratch_source);
+	uid = e_source_get_uid (scratch_source);
+	config = e_source_config_backend_get_config (backend);
+
+	g_object_set_data_full (
+		G_OBJECT (backend), uid, context,
+		(GDestroyNotify) cal_config_caldav_context_free);
+
+	source_type = e_cal_source_config_get_source_type (
+		E_CAL_SOURCE_CONFIG (config));
+
+	e_cal_source_config_add_offline_toggle (
+		E_CAL_SOURCE_CONFIG (config), scratch_source);
+
+	widget = gtk_entry_new ();
+	e_source_config_insert_widget (
+		config, scratch_source, _("Server:"), widget);
+	context->server_entry = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	/* Connect the signal before initializing the entry text. */
+	g_signal_connect (
+		widget, "changed",
+		G_CALLBACK (cal_config_caldav_server_changed_cb), context);
+
+	text = cal_config_caldav_get_server (scratch_source);
+	if (text != NULL) {
+		gtk_entry_set_text (GTK_ENTRY (context->server_entry), text);
+		g_free (text);
+	}
+
+	e_source_config_add_secure_connection (config, scratch_source);
+
+	widget = gtk_entry_new ();
+	e_source_config_insert_widget (
+		config, scratch_source, _("User:"), widget);
+	context->user_entry = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	switch (source_type) {
+		case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
+			label = _("Find Calendars");
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
+			label = _("Find Memo Lists");
+			break;
+		case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
+			label = _("Find Task Lists");
+			break;
+		default:
+			g_return_if_reached ();
+	}
+
+	widget = gtk_button_new_with_label (label);
+	e_source_config_insert_widget (
+		config, scratch_source, NULL, widget);
+	context->find_button = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	g_signal_connect (
+		widget, "clicked",
+		G_CALLBACK (cal_config_caldav_run_dialog), context);
+
+	widget = gtk_entry_new ();
+	e_source_config_insert_widget (
+		config, scratch_source, _("Path:"), widget);
+	context->path_entry = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	widget = gtk_entry_new ();
+	e_source_config_insert_widget (
+		config, scratch_source, _("Email:"), widget);
+	context->email_entry = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	widget = gtk_check_button_new_with_label (
+		_("Server handles meeting invitations"));
+	e_source_config_insert_widget (
+		config, scratch_source, NULL, widget);
+	context->autoschedule_toggle = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	e_source_config_add_refresh_interval (config, scratch_source);
+
+	extension_name = E_SOURCE_EXTENSION_CALDAV_BACKEND;
+	extension = e_source_get_extension (scratch_source, extension_name);
+
+	g_object_bind_property (
+		extension, "autoschedule",
+		context->autoschedule_toggle, "active",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property (
+		extension, "email",
+		context->email_entry, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property_full (
+		extension, "path",
+		context->path_entry, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE,
+		cal_config_caldav_path_encoded_to_decoded,
+		cal_config_caldav_path_decoded_to_encoded,
+		NULL, (GDestroyNotify) NULL);
+
+	g_object_bind_property (
+		extension, "user",
+		context->user_entry, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+}
+
+static gboolean
+cal_config_caldav_check_complete (ESourceConfigBackend *backend,
+                                  ESource *scratch_source)
+{
+	Context *context;
+	const gchar *uid;
+	gboolean complete;
+
+	uid = e_source_get_uid (scratch_source);
+	context = g_object_get_data (G_OBJECT (backend), uid);
+	g_return_val_if_fail (context != NULL, FALSE);
+
+	complete = (context->connectable != NULL);
+
+	gtk_widget_set_sensitive (context->find_button, complete);
+
+	return complete;
+}
+
+static void
+e_cal_config_caldav_class_init (ESourceConfigBackendClass *class)
+{
+	EExtensionClass *extension_class;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_CAL_SOURCE_CONFIG;
+
+	class->backend_name = "caldav";
+	class->insert_widgets = cal_config_caldav_insert_widgets;
+	class->check_complete = cal_config_caldav_check_complete;
+}
+
+static void
+e_cal_config_caldav_class_finalize (ESourceConfigBackendClass *class)
+{
+}
+
+static void
+e_cal_config_caldav_init (ESourceConfigBackend *backend)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_caldav_chooser_type_register (type_module);
+	e_caldav_chooser_dialog_type_register (type_module);
+	e_source_caldav_type_register (type_module);
+	e_cal_config_caldav_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}



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