Convert "default-mailer" plugin to an extension.

1 files changed, 274 insertions, 0 deletions

diff --git a/modules/mailto-handler/evolution-mailto-handler.c b/modules/mailto-handler/evolution-mailto-handler.c
new file mode 100644
index 0000000000..076f2e0686
--- /dev/null
+++ b/modules/mailto-handler/evolution-mailto-handler.c
@@ -0,0 +1,274 @@
+/*
+ * evolution-mailto-handler.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 <shell/e-shell.h>
+#include <e-util/e-binding.h>
+#include <e-util/e-extension.h>
+
+/* Standard GObject macros */
+#define E_TYPE_MAILTO_HANDLER \
+	(e_mailto_handler_get_type ())
+#define E_MAILTO_HANDLER(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_MAILTO_HANDLER, EMailtoHandler))
+
+#define MAILTO_COMMAND \
+	"evolution --component=mail %s"
+
+typedef struct _EMailtoHandler EMailtoHandler;
+typedef struct _EMailtoHandlerClass EMailtoHandlerClass;
+
+struct _EMailtoHandler {
+	EExtension parent;
+};
+
+struct _EMailtoHandlerClass {
+	EExtensionClass parent_class;
+};
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_mailto_handler_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (EMailtoHandler, e_mailto_handler, E_TYPE_EXTENSION)
+
+static EShell *
+mailto_handler_get_shell (EMailtoHandler *extension)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (extension));
+
+	return E_SHELL (extensible);
+}
+
+static gboolean
+mailto_handler_is_evolution (const gchar *mailto_command)
+{
+	gint argc;
+	gchar **argv;
+	gchar *basename;
+	gboolean is_evolution;
+
+	if (mailto_command == NULL)
+		return FALSE;
+
+	/* Tokenize the mailto command. */
+	if (!g_shell_parse_argv (mailto_command, &argc, &argv, NULL))
+		return FALSE;
+
+	g_return_val_if_fail (argc > 0, FALSE);
+
+	/* Check the basename of the first token. */
+	basename = g_path_get_basename (argv[0]);
+	is_evolution = g_str_has_prefix (basename, "evolution");
+	g_free (basename);
+
+	g_strfreev (argv);
+
+	return is_evolution;
+}
+
+static gboolean
+mailto_handler_prompt (EMailtoHandler *extension)
+{
+	EShell *shell;
+	EShellSettings *shell_settings;
+	GtkWidget *container;
+	GtkWidget *dialog;
+	GtkWidget *widget;
+	const gchar *text;
+	gchar *markup;
+	gint response;
+
+	shell = mailto_handler_get_shell (extension);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	dialog = gtk_dialog_new_with_buttons (
+		"", NULL, 0,
+		GTK_STOCK_NO, GTK_RESPONSE_NO,
+		GTK_STOCK_YES, GTK_RESPONSE_YES,
+		NULL);
+
+	gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
+	gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+
+	container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+
+	widget = gtk_hbox_new (FALSE, 12);
+	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 = widget;
+
+	widget = gtk_image_new_from_stock (
+		GTK_STOCK_DIALOG_QUESTION, GTK_ICON_SIZE_DIALOG);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_vbox_new (FALSE, 12);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	text = _("Do you want to make Evolution your default email client?");
+	markup = g_markup_printf_escaped ("<b>%s</b>", text);
+	widget = gtk_label_new (NULL);
+	gtk_label_set_markup (GTK_LABEL (widget), markup);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	text = _("_Do not show this message again");
+	widget = gtk_check_button_new_with_mnemonic (text);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 12);
+	gtk_widget_show (widget);
+
+	e_mutual_binding_new_with_negation (
+		shell_settings, "mailto-handler-check",
+		widget, "active");
+
+	/* Direct input focus away from the checkbox. */
+	widget = gtk_dialog_get_widget_for_response (
+		GTK_DIALOG (dialog), GTK_RESPONSE_YES);
+	gtk_widget_grab_focus (widget);
+
+	response = gtk_dialog_run (GTK_DIALOG (dialog));
+
+	gtk_widget_destroy (dialog);
+
+	return (response == GTK_RESPONSE_YES);
+}
+
+static void
+mailto_handler_check (EMailtoHandler *extension)
+{
+	EShell *shell;
+	EShellSettings *shell_settings;
+	gboolean check_mailto_handler = TRUE;
+	gchar *mailto_command = NULL;
+
+	shell = mailto_handler_get_shell (extension);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	g_object_get (
+		shell_settings,
+		"mailto-handler-command", &mailto_command,
+		"mailto-handler-check", &check_mailto_handler,
+		NULL);
+
+	/* Should we check the "mailto" URI handler? */
+	if (!check_mailto_handler)
+		goto exit;
+
+	/* Is Evolution already handling "mailto" URIs? */
+	if (mailto_handler_is_evolution (mailto_command))
+		goto exit;
+
+	/* Does the user want Evolution to handle them? */
+	if (!mailto_handler_prompt (extension))
+		goto exit;
+
+	/* Configure Evolution to be the "mailto" URI handler. */
+
+	g_object_set (
+		shell_settings,
+		"mailto-handler-command", MAILTO_COMMAND,
+		"mailto-handler-enabled", TRUE,
+		"mailto-handler-needs-terminal", FALSE,
+		NULL);
+
+exit:
+	g_free (mailto_command);
+}
+
+static void
+mailto_handler_constructed (GObject *object)
+{
+	EShell *shell;
+	EShellSettings *shell_settings;
+	EMailtoHandler *extension;
+
+	extension = E_MAILTO_HANDLER (object);
+
+	shell = mailto_handler_get_shell (extension);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	e_shell_settings_install_property_for_key (
+		"mailto-handler-check",
+		"/apps/evolution/mail/prompts/checkdefault");
+
+	e_shell_settings_install_property_for_key (
+		"mailto-handler-command",
+		"/desktop/gnome/url-handlers/mailto/command");
+
+	e_shell_settings_install_property_for_key (
+		"mailto-handler-enabled",
+		"/desktop/gnome/url-handlers/mailto/enabled");
+
+	e_shell_settings_install_property_for_key (
+		"mailto-handler-needs-terminal",
+		"/desktop/gnome/url-handlers/mailto/needs_terminal");
+
+	g_signal_connect_swapped (
+		shell, "event::ready-to-start",
+		G_CALLBACK (mailto_handler_check), extension);
+}
+
+static void
+e_mailto_handler_class_init (EMailtoHandlerClass *class)
+{
+	GObjectClass *object_class;
+	EExtensionClass *extension_class;
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->constructed = mailto_handler_constructed;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_SHELL;
+}
+
+static void
+e_mailto_handler_class_finalize (EMailtoHandlerClass *class)
+{
+}
+
+static void
+e_mailto_handler_init (EMailtoHandler *extension)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_mailto_handler_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}