Add 'cal-config-local' module.

Registers the "On This Computer" backend in ECalSourceConfig widgets.

Replaces the 'calendar-file' plugin.

5 files changed, 605 insertions, 0 deletions

diff --git a/modules/Makefile.am b/modules/Makefile.am
index ff6888ed75..043c53d1ce 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -24,6 +24,7 @@ SUBDIRS = \
 	$(CONFIG_LDAP_DIR) \
 	book-config-local \
 	book-config-webdav \
+	cal-config-local \
 	composer-autosave \
 	mailto-handler \
 	mdn \
diff --git a/modules/cal-config-local/Makefile.am b/modules/cal-config-local/Makefile.am
new file mode 100644
index 0000000000..3cd8f6d18a
--- /dev/null
+++ b/modules/cal-config-local/Makefile.am
@@ -0,0 +1,26 @@
+module_LTLIBRARIES = module-cal-config-local.la
+
+module_cal_config_local_la_CPPFLAGS = \
+	$(AM_CPPFLAGS)						\
+	-I$(top_srcdir)						\
+	-I$(top_srcdir)/widgets					\
+	-DG_LOG_DOMAIN=\"evolution-cal-config-local\"		\
+	$(EVOLUTION_DATA_SERVER_CFLAGS)				\
+	$(GNOME_PLATFORM_CFLAGS)
+
+module_cal_config_local_la_SOURCES = \
+	evolution-cal-config-local.c				\
+	e-source-local.c					\
+	e-source-local.h
+
+module_cal_config_local_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)
+
+module_cal_config_local_la_LDFLAGS = \
+	-module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/cal-config-local/e-source-local.c b/modules/cal-config-local/e-source-local.c
new file mode 100644
index 0000000000..6877cf0d27
--- /dev/null
+++ b/modules/cal-config-local/e-source-local.c
@@ -0,0 +1,203 @@
+/*
+ * e-source-local.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-source-local.h"
+
+#define E_SOURCE_LOCAL_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_SOURCE_LOCAL, ESourceLocalPrivate))
+
+struct _ESourceLocalPrivate {
+	GMutex *property_lock;
+	GFile *custom_file;
+};
+
+enum {
+	PROP_0,
+	PROP_CUSTOM_FILE
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	ESourceLocal,
+	e_source_local,
+	E_TYPE_SOURCE_EXTENSION)
+
+static void
+source_local_set_property (GObject *object,
+                           guint property_id,
+                           const GValue *value,
+                           GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CUSTOM_FILE:
+			e_source_local_set_custom_file (
+				E_SOURCE_LOCAL (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_local_get_property (GObject *object,
+                           guint property_id,
+                           GValue *value,
+                           GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_CUSTOM_FILE:
+			g_value_take_object (
+				value,
+				e_source_local_dup_custom_file (
+				E_SOURCE_LOCAL (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+source_local_dispose (GObject *object)
+{
+	ESourceLocalPrivate *priv;
+
+	priv = E_SOURCE_LOCAL_GET_PRIVATE (object);
+
+	if (priv->custom_file != NULL) {
+		g_object_unref (priv->custom_file);
+		priv->custom_file = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_source_local_parent_class)->dispose (object);
+}
+
+static void
+source_local_finalize (GObject *object)
+{
+	ESourceLocalPrivate *priv;
+
+	priv = E_SOURCE_LOCAL_GET_PRIVATE (object);
+
+	g_mutex_free (priv->property_lock);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_source_local_parent_class)->finalize (object);
+}
+
+static void
+e_source_local_class_init (ESourceLocalClass *class)
+{
+	GObjectClass *object_class;
+	ESourceExtensionClass *extension_class;
+
+	g_type_class_add_private (class, sizeof (ESourceLocalPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = source_local_set_property;
+	object_class->get_property = source_local_get_property;
+	object_class->dispose = source_local_dispose;
+	object_class->finalize = source_local_finalize;
+
+	extension_class = E_SOURCE_EXTENSION_CLASS (class);
+	extension_class->name = E_SOURCE_EXTENSION_LOCAL_BACKEND;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_CUSTOM_FILE,
+		g_param_spec_object (
+			"custom-file",
+			"Custom File",
+			"Custom iCalendar file",
+			G_TYPE_FILE,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT |
+			E_SOURCE_PARAM_SETTING));
+}
+
+static void
+e_source_local_class_finalize (ESourceLocalClass *class)
+{
+}
+
+static void
+e_source_local_init (ESourceLocal *extension)
+{
+	extension->priv = E_SOURCE_LOCAL_GET_PRIVATE (extension);
+	extension->priv->property_lock = g_mutex_new ();
+}
+
+void
+e_source_local_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_local_register_type (type_module);
+}
+
+GFile *
+e_source_local_get_custom_file (ESourceLocal *extension)
+{
+	g_return_val_if_fail (E_IS_SOURCE_LOCAL (extension), NULL);
+
+	return extension->priv->custom_file;
+}
+
+GFile *
+e_source_local_dup_custom_file (ESourceLocal *extension)
+{
+	GFile *protected;
+	GFile *duplicate;
+
+	g_return_val_if_fail (E_IS_SOURCE_LOCAL (extension), NULL);
+
+	g_mutex_lock (extension->priv->property_lock);
+
+	protected = e_source_local_get_custom_file (extension);
+	duplicate = (protected != NULL) ? g_file_dup (protected) : NULL;
+
+	g_mutex_unlock (extension->priv->property_lock);
+
+	return duplicate;
+}
+
+void
+e_source_local_set_custom_file (ESourceLocal *extension,
+                                GFile *custom_file)
+{
+	g_return_if_fail (E_IS_SOURCE_LOCAL (extension));
+
+	if (custom_file != NULL) {
+		g_return_if_fail (G_IS_FILE (custom_file));
+		g_object_ref (custom_file);
+	}
+
+	g_mutex_lock (extension->priv->property_lock);
+
+	if (extension->priv->custom_file != NULL)
+		g_object_unref (extension->priv->custom_file);
+
+	extension->priv->custom_file = custom_file;
+
+	g_mutex_unlock (extension->priv->property_lock);
+
+	g_object_notify (G_OBJECT (extension), "custom-file");
+}
+
diff --git a/modules/cal-config-local/e-source-local.h b/modules/cal-config-local/e-source-local.h
new file mode 100644
index 0000000000..7eed749966
--- /dev/null
+++ b/modules/cal-config-local/e-source-local.h
@@ -0,0 +1,69 @@
+/*
+ * e-source-local.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_SOURCE_LOCAL_H
+#define E_SOURCE_LOCAL_H
+
+#include <libedataserver/e-source-extension.h>
+
+/* Standard GObject macros */
+#define E_TYPE_SOURCE_LOCAL \
+	(e_source_local_get_type ())
+#define E_SOURCE_LOCAL(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_SOURCE_LOCAL, ESourceLocal))
+#define E_SOURCE_LOCAL_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_SOURCE_LOCAL, ESourceLocalClass))
+#define E_IS_SOURCE_LOCAL(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_SOURCE_LOCAL))
+#define E_IS_SOURCE_LOCAL_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_SOURCE_LOCAL))
+#define E_SOURCE_LOCAL_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_SOURCE_LOCAL, ESourceLocalClass))
+
+#define E_SOURCE_EXTENSION_LOCAL_BACKEND "Local Backend"
+
+G_BEGIN_DECLS
+
+typedef struct _ESourceLocal ESourceLocal;
+typedef struct _ESourceLocalClass ESourceLocalClass;
+typedef struct _ESourceLocalPrivate ESourceLocalPrivate;
+
+struct _ESourceLocal {
+	ESourceExtension parent;
+	ESourceLocalPrivate *priv;
+};
+
+struct _ESourceLocalClass {
+	ESourceExtensionClass parent_class;
+};
+
+GType		e_source_local_get_type		(void);
+void		e_source_local_type_register	(GTypeModule *type_module);
+GFile *		e_source_local_get_custom_file	(ESourceLocal *extension);
+GFile *		e_source_local_dup_custom_file	(ESourceLocal *extension);
+void		e_source_local_set_custom_file	(ESourceLocal *extension,
+						 GFile *custom_file);
+
+G_END_DECLS
+
+#endif /* E_SOURCE_LOCAL_H */
diff --git a/modules/cal-config-local/evolution-cal-config-local.c b/modules/cal-config-local/evolution-cal-config-local.c
new file mode 100644
index 0000000000..ab83f8c68c
--- /dev/null
+++ b/modules/cal-config-local/evolution-cal-config-local.c
@@ -0,0 +1,306 @@
+/*
+ * evolution-cal-config-local.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 <misc/e-source-config-backend.h>
+#include <calendar/gui/e-cal-source-config.h>
+
+#include "e-source-local.h"
+
+typedef ESourceConfigBackend ECalConfigLocal;
+typedef ESourceConfigBackendClass ECalConfigLocalClass;
+
+typedef struct _Context Context;
+
+struct _Context {
+	GtkWidget *custom_file_checkbox;
+	GtkWidget *custom_file_chooser;
+	GtkWidget *writable_checkbox;
+};
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_cal_config_local_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (
+	ECalConfigLocal,
+	e_cal_config_local,
+	E_TYPE_SOURCE_CONFIG_BACKEND)
+
+static void
+cal_config_local_context_free (Context *context)
+{
+	g_object_unref (context->custom_file_checkbox);
+	g_object_unref (context->custom_file_chooser);
+	g_object_unref (context->writable_checkbox);
+
+	g_slice_free (Context, context);
+}
+
+static gboolean
+cal_config_local_active_to_custom_file (GBinding *binding,
+                                        const GValue *source_value,
+                                        GValue *target_value,
+                                        gpointer user_data)
+{
+	Context *context = user_data;
+	GtkFileChooser *file_chooser;
+	GFile *file = NULL;
+
+	file_chooser = GTK_FILE_CHOOSER (context->custom_file_chooser);
+
+	if (g_value_get_boolean (source_value))
+		file = gtk_file_chooser_get_file (file_chooser);
+
+	g_value_take_object (target_value, file);
+
+	return TRUE;
+}
+
+static gboolean
+cal_config_local_custom_file_to_active (GBinding *binding,
+                                        const GValue *source_value,
+                                        GValue *target_value,
+                                        gpointer user_data)
+{
+	Context *context = user_data;
+	GtkFileChooser *file_chooser;
+	GFile *file;
+	gboolean success;
+
+	file_chooser = GTK_FILE_CHOOSER (context->custom_file_chooser);
+
+	file = g_value_get_object (source_value);
+
+	if (file == NULL) {
+		g_value_set_boolean (target_value, FALSE);
+		return TRUE;
+	}
+
+	success = gtk_file_chooser_set_file (file_chooser, file, NULL);
+	g_value_set_boolean (target_value, success);
+
+	return success;
+}
+
+static void
+cal_config_local_file_set_cb (GtkFileChooserButton *button,
+                              GtkWidget *custom_file_checkbox)
+{
+	/* This will update ESourceLocal:custom-file. */
+	g_object_notify (G_OBJECT (custom_file_checkbox), "active");
+}
+
+static void
+cal_config_local_insert_widgets (ESourceConfigBackend *backend,
+                                 ESource *scratch_source)
+{
+	ESourceConfig *config;
+	ESource *builtin_source;
+	ESourceRegistry *registry;
+	ESourceExtension *extension;
+	GtkFileFilter *filter;
+	GtkWidget *container;
+	GtkWidget *widget;
+	Context *context;
+	gboolean source_is_builtin = FALSE;
+	const gchar *extension_name;
+	const gchar *uid;
+	gchar *markup;
+
+	uid = e_source_get_uid (scratch_source);
+	config = e_source_config_backend_get_config (backend);
+	registry = e_source_config_get_registry (config);
+
+	/* The built-in sources can't use a custom file. */
+
+	builtin_source = e_source_registry_ref_builtin_calendar (registry);
+	source_is_builtin |= e_source_equal (scratch_source, builtin_source);
+	g_object_unref (builtin_source);
+
+	builtin_source = e_source_registry_ref_builtin_memo_list (registry);
+	source_is_builtin |= e_source_equal (scratch_source, builtin_source);
+	g_object_unref (builtin_source);
+
+	builtin_source = e_source_registry_ref_builtin_task_list (registry);
+	source_is_builtin |= e_source_equal (scratch_source, builtin_source);
+	g_object_unref (builtin_source);
+
+	if (source_is_builtin)
+		return;
+
+	context = g_slice_new (Context);
+
+	g_object_set_data_full (
+		G_OBJECT (backend), uid, context,
+		(GDestroyNotify) cal_config_local_context_free);
+
+	widget = gtk_check_button_new_with_label (
+		_("Use an existing iCalendar (ics) file"));
+	e_source_config_insert_widget (
+		config, scratch_source, NULL, widget);
+	context->custom_file_checkbox = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	g_signal_connect_swapped (
+		widget, "toggled",
+		G_CALLBACK (e_source_config_resize_window), config);
+
+	container = e_source_config_get_page (config, scratch_source);
+
+	/* Put some extra padding above and below the header. */
+	widget = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
+	gtk_alignment_set_padding (GTK_ALIGNMENT (widget), 12, 6, 0, 0);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		context->custom_file_checkbox, "active",
+		widget, "visible",
+		G_BINDING_SYNC_CREATE);
+
+	container = widget;
+
+	markup = g_markup_printf_escaped ("<b>%s</b>", _("iCalendar File"));
+	widget = gtk_label_new (markup);
+	gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
+	gtk_container_add (GTK_CONTAINER (container), widget);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	filter = gtk_file_filter_new ();
+	gtk_file_filter_add_mime_type (filter, "text/calendar");
+
+	widget = gtk_file_chooser_button_new (
+		_("Choose an iCalendar file"), GTK_FILE_CHOOSER_ACTION_OPEN);
+	gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (widget), filter);
+	e_source_config_insert_widget (
+		config, scratch_source, _("File:"), widget);
+	context->custom_file_chooser = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	g_signal_connect (
+		widget, "file-set",
+		G_CALLBACK (cal_config_local_file_set_cb),
+		context->custom_file_checkbox);
+
+	g_object_bind_property (
+		context->custom_file_checkbox, "active",
+		widget, "visible",
+		G_BINDING_SYNC_CREATE);
+
+	widget = gtk_check_button_new_with_label (
+		_("Allow Evolution to update the file"));
+	e_source_config_insert_widget (
+		config, scratch_source, NULL, widget);
+	context->writable_checkbox = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		context->custom_file_checkbox, "active",
+		widget, "visible",
+		G_BINDING_SYNC_CREATE);
+
+	extension_name = E_SOURCE_EXTENSION_LOCAL_BACKEND;
+	extension = e_source_get_extension (scratch_source, extension_name);
+
+	g_object_bind_property_full (
+		extension, "custom-file",
+		context->custom_file_checkbox, "active",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE,
+		cal_config_local_custom_file_to_active,
+		cal_config_local_active_to_custom_file,
+		context, (GDestroyNotify) NULL);
+}
+
+static gboolean
+cal_config_local_check_complete (ESourceConfigBackend *backend,
+                                 ESource *scratch_source)
+{
+	ESourceLocal *extension;
+	GtkToggleButton *toggle_button;
+	Context *context;
+	GFile *file;
+	const gchar *extension_name;
+	const gchar *uid;
+	gboolean active;
+
+	uid = e_source_get_uid (scratch_source);
+	context = g_object_get_data (G_OBJECT (backend), uid);
+
+	/* This function might get called before we install a
+	 * context for this ESource, in which case just return. */
+	if (context == NULL)
+		return FALSE;
+
+	extension_name = E_SOURCE_EXTENSION_LOCAL_BACKEND;
+	extension = e_source_get_extension (scratch_source, extension_name);
+
+	file = e_source_local_get_custom_file (extension);
+
+	toggle_button = GTK_TOGGLE_BUTTON (context->custom_file_checkbox);
+	active = gtk_toggle_button_get_active (toggle_button);
+
+	/* If toggle button is active we need a valid file. */
+	return !active || (file != NULL);
+}
+
+static void
+e_cal_config_local_class_init (ESourceConfigBackendClass *class)
+{
+	EExtensionClass *extension_class;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_CAL_SOURCE_CONFIG;
+
+	class->parent_uid = "local-stub";
+	class->backend_name = "local";
+	class->insert_widgets = cal_config_local_insert_widgets;
+	class->check_complete = cal_config_local_check_complete;
+}
+
+static void
+e_cal_config_local_class_finalize (ESourceConfigBackendClass *class)
+{
+}
+
+static void
+e_cal_config_local_init (ESourceConfigBackend *backend)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_source_local_type_register (type_module);
+	e_cal_config_local_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}