--- /dev/null
+/* command-create.c
+ *
+ * Copyright 2018 Florian Müllner <fmuellner@gnome.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <gio/gunixinputstream.h>
+
+#include "commands.h"
+#include "common.h"
+
+static char *
+get_shell_version (GError **error)
+{
+ g_autoptr (GDBusProxy) proxy = NULL;
+ g_autoptr (GVariant) variant = NULL;
+ g_auto (GStrv) split_version = NULL;
+
+ proxy = get_shell_proxy (error);
+ if (proxy == NULL)
+ return NULL;
+
+ variant = g_dbus_proxy_get_cached_property (proxy, "ShellVersion");
+ if (variant == NULL)
+ return NULL;
+
+ split_version = g_strsplit (g_variant_get_string (variant, NULL), ".", 3);
+ if (g_ascii_strtoll (split_version[1], NULL, 10) % 2 == 0)
+ g_clear_pointer (&split_version[2], g_free);
+
+ return g_strjoinv (".", split_version);
+}
+
+static gboolean
+create_metadata (GFile *target_dir,
+ const char *uuid,
+ const char *name,
+ const char *description,
+ GError **error)
+{
+ g_autoptr (GFile) target = NULL;
+ g_autoptr (GString) json = NULL;
+ g_autofree char *version = NULL;
+
+ version = get_shell_version (error);
+ if (version == NULL)
+ return FALSE;
+
+ json = g_string_new ("{\n");
+
+ g_string_append_printf (json, " \"name\": \"%s\",\n", name);
+ g_string_append_printf (json, " \"description\": \"%s\",\n", description);
+ g_string_append_printf (json, " \"uuid\": \"%s\",\n", uuid);
+ g_string_append_printf (json, " \"shell-version\": [\n");
+ g_string_append_printf (json, " \"%s\"\n", version);
+ g_string_append_printf (json, " ]\n}\n");
+
+ target = g_file_get_child (target_dir, "metadata.json");
+ return g_file_replace_contents (target,
+ json->str,
+ json->len,
+ NULL,
+ FALSE,
+ 0,
+ NULL,
+ NULL,
+ error);
+}
+
+
+#define TEMPLATE_PATH "/org/gnome/extensions-tool/template"
+static gboolean
+copy_extension_template (GFile *target_dir, GError **error)
+{
+ g_auto (GStrv) templates;
+ char **s;
+
+ templates = g_resources_enumerate_children (TEMPLATE_PATH, 0, NULL);
+ for (s = templates; *s; s++)
+ {
+ g_autoptr (GFile) target = NULL;
+ g_autoptr (GFile) source = NULL;
+ g_autofree char *uri = NULL;
+
+ uri = g_strdup_printf ("resource://%s/%s", TEMPLATE_PATH, *s);
+ source = g_file_new_for_uri (uri);
+ target = g_file_get_child (target_dir, *s);
+
+ if (!g_file_copy (source, target, G_FILE_COPY_TARGET_DEFAULT_PERMS, NULL, NULL, NULL, error))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+launch_extension_source (GFile *dir, GError **error)
+{
+ g_autoptr (GFile) main_source = NULL;
+ g_autoptr (GAppInfo) handler = NULL;
+ GList l;
+
+ main_source = g_file_get_child (dir, "extension.js");
+ handler = g_file_query_default_handler (main_source, NULL, error);
+ if (handler == NULL)
+ return FALSE;
+
+ l.data = main_source;
+ l.next = l.prev = NULL;
+
+ return g_app_info_launch (handler, &l, NULL, error);
+}
+
+static gboolean
+create_extension (const char *uuid, const char *name, const char *description)
+{
+ g_autoptr (GFile) dir = NULL;
+ g_autoptr (GError) error = NULL;
+
+ dir = g_file_new_build_filename (g_get_user_data_dir (),
+ "gnome-shell",
+ "extensions",
+ uuid,
+ NULL);
+
+ if (!g_file_make_directory_with_parents (dir, NULL, &error))
+ {
+ g_printerr ("%s\n", error->message);
+ return FALSE;
+ }
+
+ if (!create_metadata (dir, uuid, name, description, &error))
+ {
+ g_printerr ("%s\n", error->message);
+ return FALSE;
+ }
+
+ if (!copy_extension_template (dir, &error))
+ {
+ g_printerr ("%s\n", error->message);
+ return FALSE;
+ }
+
+ if (!launch_extension_source (dir, &error))
+ {
+ g_printerr ("%s\n", error->message);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+prompt_metadata (char **uuid, char **name, char **description)
+{
+ g_autoptr (GInputStream) stdin = NULL;
+ g_autoptr (GDataInputStream) istream = NULL;
+
+ stdin = g_unix_input_stream_new (0, FALSE);
+ istream = g_data_input_stream_new (stdin);
+
+ if (name != NULL)
+ {
+ char *line;
+
+ g_print (
+ _("Name should be a very short (ideally descriptive) string.\n"
+ "Examples are: %s"),
+ "“Click To Focus”, “Adblock”, “Shell Window Shrinker”\n");
+ g_print ("%s: ", _("Name"));
+
+ line = g_data_input_stream_read_line_utf8 (istream, NULL, NULL, NULL);
+ *name = g_strdelimit (line, "\n", '\0');
+ }
+
+ if (description != NULL)
+ {
+ char *line;
+
+ g_print (
+ _("Description is a single-sentence explanation of what your extension does.\n"
+ "Examples are: %s"),
+ "“Make windows visible on click”, “Block advertisement popups”, “Animate windows shrinking on minimize”\n");
+ g_print ("%s: ", _("Description"));
+
+ line = g_data_input_stream_read_line_utf8 (istream, NULL, NULL, NULL);
+ *description = g_strdelimit (line, "\n", '\0');
+ }
+
+ if (uuid != NULL)
+ {
+ char *line;
+
+ g_print (
+ _("UUID is a globally-unique identifier for your extension.\n"
+ "This should be in the format of an email address (clicktofocus@janedoe.example.com)\n"));
+ g_print ("UUID: ");
+
+ line = g_data_input_stream_read_line_utf8 (istream, NULL, NULL, NULL);
+ *uuid = g_strdelimit (line, "\n", '\0');
+ }
+}
+
+int
+handle_create (int argc, char *argv[], gboolean do_help)
+{
+ g_autoptr (GOptionContext) context = NULL;
+ g_autoptr (GError) error = NULL;
+ g_autofree char *name = NULL;
+ g_autofree char *description = NULL;
+ g_autofree char *uuid = NULL;
+
+ g_set_prgname ("gnome-extensions create");
+
+ context = g_option_context_new (NULL);
+ g_option_context_set_help_enabled (context, FALSE);
+ g_option_context_set_summary (context, _("Create a new extension"));
+
+ if (do_help)
+ {
+ show_help (context, NULL);
+ return 0;
+ }
+
+ if (!g_option_context_parse (context, &argc, &argv, &error))
+ {
+ show_help (context, error->message);
+ return 1;
+ }
+
+ if (argc > 1)
+ {
+ show_help (context, _("Unknown arguments"));
+ return 1;
+ }
+
+ prompt_metadata (&uuid, &name, &description);
+
+ return create_extension (uuid, name, description) ? 0 : 2;
+}
projects / gnome-shell.git / commitdiff