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-rw-r--r--src/location-geoclue2.c451
1 files changed, 0 insertions, 451 deletions
diff --git a/src/location-geoclue2.c b/src/location-geoclue2.c
deleted file mode 100644
index 9eb49fe..0000000
--- a/src/location-geoclue2.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*-
- * redshift-ng - Automatically adjust display colour temperature according the Sun
- *
- * Copyright (c) 2009-2018 Jon Lund Steffensen <jonlst@gmail.com>
- * Copyright (c) 2014-2016, 2025 Mattias Andrée <m@maandree.se>
- *
- * redshift-ng 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.
- *
- * redshift-ng 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 redshift-ng. If not, see <http://www.gnu.org/licenses/>.
- */
-#include "common.h"
-
-#if defined(__clang__)
-# pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wreserved-identifier"
-# pragma clang diagnostic ignored "-Wreserved-macro-identifier"
-# pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
-# pragma clang diagnostic ignored "-Wdocumentation"
-# pragma clang diagnostic ignored "-Wpadded"
-#endif
-#include <glib.h>
-#include <glib/gprintf.h>
-#include <gio/gio.h>
-#if defined(__clang__)
-# pragma clang diagnostic pop
-#endif
-
-
-/**
- * D-Bus error indicating denial of access
- */
-#define DBUS_ACCESS_ERROR "org.freedesktop.DBus.Error.AccessDenied"
-
-
-/**
- * Location data
- */
-struct location_data {
- /**
- * The user's geographical location
- */
- struct location location;
-
- /**
- * Whether the location provider is available
- */
- int available;
-
- /**
- * Whether an unrecoverable error has occurred
- */
- int error;
-};
-
-
-struct location_state {
- GMainLoop *loop;
-
- /**
- * Slave thread, used to receive location updates
- */
- GThread *thread;
-
- /**
- * Read-end of piped used to send location data
- * from the slave thread to the master thread
- */
- int pipe_fd_read;
-
- /**
- * Write-end of piped used to send location data
- * from the slave thread to the master thread
- */
- int pipe_fd_write;
-
- /**
- * Location data available from the slave thread
- */
- struct location_data data;
-
- /**
- * Location data sent to the master thread
- */
- struct location_data saved_data;
-};
-
-
-/* Print the message explaining denial from GeoClue */
-static void
-print_denial_message(void)
-{
- g_printerr(_(
- "Access to the current location was denied by GeoClue!\n"
- "Make sure that location services are enabled and that"
- " Redshift is permitted\nto use location services."
- " See https://github.com/jonls/redshift#faq for more\n"
- "information.\n"));
-}
-
-
-static void
-send_data(struct location_state *state)
-{
- while (write(state->pipe_fd_write, &state->data, sizeof(state->data)) == -1 && errno == EINTR);
-}
-
-
-/* Indicate an unrecoverable error during GeoClue2 communication */
-static void
-mark_error(struct location_state *state)
-{
- state->data.error = 1;
- send_data(state);
-}
-
-
-/* Handle position change callbacks */
-static void
-geoclue_client_signal_cb(GDBusProxy *client, gchar *sender_name, gchar *signal_name, GVariant *parameters, gpointer user_data)
-{
- struct location_state *state = user_data;
- const gchar *location_path;
- GDBusProxy *location;
- GError *error;
- GVariant *lat_v, *lon_v;
-
- (void) sender_name;
-
- /* Only handle LocationUpdated signals */
- if (g_strcmp0(signal_name, "LocationUpdated"))
- return;
-
- /* Obtain location path */
- g_variant_get_child(parameters, 1, "&o", &location_path);
-
- /* Obtain location */
- error = NULL;
- location = g_dbus_proxy_new_sync(g_dbus_proxy_get_connection(client), G_DBUS_PROXY_FLAGS_NONE,
- NULL, "org.freedesktop.GeoClue2", location_path,
- "org.freedesktop.GeoClue2.Location", NULL, &error);
- if (!location) {
- weprintf(_("Unable to obtain location: %s."), error->message);
- g_error_free(error);
- mark_error(state);
- return;
- }
-
- /* Read location properties */
- lat_v = g_dbus_proxy_get_cached_property(location, "Latitude");
- state->data.location.latitude = g_variant_get_double(lat_v);
- lon_v = g_dbus_proxy_get_cached_property(location, "Longitude");
- state->data.location.longitude = g_variant_get_double(lon_v);
- state->data.available = 1;
-
- send_data(state);
-}
-
-
-/* Callback when GeoClue name appears on the bus */
-static void
-on_name_appeared(GDBusConnection *conn, const gchar *name, const gchar *name_owner, gpointer user_data)
-{
- struct location_state *state = user_data;
- const gchar *client_path;
- GDBusProxy *geoclue_client;
- GVariant *client_path_v;
- GDBusProxy *geoclue_manager;
- GError *error;
- GVariant *ret_v;
- gchar *dbus_error;
-
- (void) name;
- (void) name_owner;
-
- /* Obtain GeoClue Manager */
- error = NULL;
- geoclue_manager = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE, NULL,
- "org.freedesktop.GeoClue2", "/org/freedesktop/GeoClue2/Manager",
- "org.freedesktop.GeoClue2.Manager", NULL, &error);
- if (!geoclue_manager) {
- weprintf(_("Unable to obtain GeoClue Manager: %s."), error->message);
- g_error_free(error);
- mark_error(state);
- return;
- }
-
- /* Obtain GeoClue Client path */
- error = NULL;
- client_path_v = g_dbus_proxy_call_sync(geoclue_manager, "GetClient", NULL,
- G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
- if (!client_path_v) {
- weprintf(_("Unable to obtain GeoClue client path: %s."), error->message);
- g_error_free(error);
- g_object_unref(geoclue_manager);
- mark_error(state);
- return;
- }
-
- g_variant_get(client_path_v, "(&o)", &client_path);
-
- /* Obtain GeoClue client */
- error = NULL;
- geoclue_client = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE, NULL, "org.freedesktop.GeoClue2",
- client_path, "org.freedesktop.GeoClue2.Client", NULL, &error);
- if (!geoclue_client) {
- weprintf(_("Unable to obtain GeoClue Client: %s."), error->message);
- g_error_free(error);
- g_variant_unref(client_path_v);
- g_object_unref(geoclue_manager);
- mark_error(state);
- return;
- }
-
- g_variant_unref(client_path_v);
-
- /* Set desktop id (basename of the .desktop file) */
- error = NULL;
- ret_v = g_dbus_proxy_call_sync(geoclue_client, "org.freedesktop.DBus.Properties.Set",
- g_variant_new("(ssv)", "org.freedesktop.GeoClue2.Client",
- "DesktopId", g_variant_new("s", "redshift")),
- G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
- if (!ret_v) {
- /* Ignore this error for now. The property is not available
- * in early versions of GeoClue2. */
- } else {
- g_variant_unref(ret_v);
- }
-
- /* Set distance threshold */
- error = NULL;
- ret_v = g_dbus_proxy_call_sync(geoclue_client, "org.freedesktop.DBus.Properties.Set",
- g_variant_new("(ssv)", "org.freedesktop.GeoClue2.Client",
- "DistanceThreshold", g_variant_new("u", 50000)),
- G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
- if (!ret_v) {
- weprintf(_("Unable to set distance threshold: %s."), error->message);
- g_error_free(error);
- g_object_unref(geoclue_client);
- g_object_unref(geoclue_manager);
- mark_error(state);
- return;
- }
-
- g_variant_unref(ret_v);
-
- /* Attach signal callback to client */
- g_signal_connect(geoclue_client, "g-signal", G_CALLBACK(geoclue_client_signal_cb), user_data);
-
- /* Start GeoClue client */
- error = NULL;
- ret_v = g_dbus_proxy_call_sync(geoclue_client, "Start", NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
- if (!ret_v) {
- weprintf(_("Unable to start GeoClue client: %s."), error->message);
- if (g_dbus_error_is_remote_error(error)) {
- dbus_error = g_dbus_error_get_remote_error( error);
- if (!g_strcmp0(dbus_error, DBUS_ACCESS_ERROR))
- print_denial_message();
- g_free(dbus_error);
- }
- g_error_free(error);
- g_object_unref(geoclue_client);
- g_object_unref(geoclue_manager);
- mark_error(state);
- return;
- }
-
- g_variant_unref(ret_v);
-}
-
-
-/* Callback when GeoClue disappears from the bus */
-static void
-on_name_vanished(GDBusConnection *connection, const gchar *name, gpointer user_data)
-{
- struct location_state *state = user_data;
-
- (void) connection;
- (void) name;
-
- state->data.available = 0;
- send_data(state);
-}
-
-
-/* Callback when the pipe to the main thread is closed */
-static gboolean
-on_pipe_closed(GIOChannel *channel, GIOCondition condition, gpointer user_data)
-{
- struct location_state *state = user_data;
- g_main_loop_quit(state->loop);
-
- (void) channel;
- (void) condition;
- return FALSE;
-}
-
-
-/* Run loop for location provider thread */
-static void *
-run_geoclue2_loop(void *state_)
-{
- struct location_state *state = state_;
- GMainContext *context;
- guint watcher_id;
- GIOChannel *pipe_channel;
- GSource *pipe_source;
-
- context = g_main_context_new();
- g_main_context_push_thread_default(context);
- state->loop = g_main_loop_new(context, FALSE);
-
- watcher_id = g_bus_watch_name(G_BUS_TYPE_SYSTEM, "org.freedesktop.GeoClue2",
- G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
- on_name_appeared, on_name_vanished, state, NULL);
-
- /* Listen for closure of pipe */
- pipe_channel = g_io_channel_unix_new(state->pipe_fd_write);
- pipe_source = g_io_create_watch(pipe_channel, G_IO_IN | G_IO_HUP | G_IO_ERR);
- g_source_set_callback(pipe_source, (GSourceFunc)on_pipe_closed, state, NULL);
- g_source_attach(pipe_source, context);
-
- g_main_loop_run(state->loop);
-
- g_source_unref(pipe_source);
- g_io_channel_unref(pipe_channel);
- close(state->pipe_fd_write);
-
- g_bus_unwatch_name(watcher_id);
-
- g_main_loop_unref(state->loop);
- g_main_context_unref(context);
-
- return NULL;
-}
-
-
-static int
-geoclue2_create(struct location_state **state_out)
-{
-#if !GLIB_CHECK_VERSION(2, 35, 0)
- g_type_init();
-#endif
- *state_out = emalloc(sizeof(**state_out));
- return 0;
-}
-
-
-static int
-geoclue2_start(struct location_state *state)
-{
- int pipefds[2];
-
- state->pipe_fd_read = -1;
- state->pipe_fd_write = -1;
-
- state->data.available = 0;
- state->data.error = 0;
- state->data.location.latitude = 0;
- state->data.location.longitude = 0;
- state->saved_data = state->data;
-
- pipe_rdnonblock(pipefds);
- state->pipe_fd_read = pipefds[0];
- state->pipe_fd_write = pipefds[1];
-
- send_data(state); /* TODO why? */
-
- state->thread = g_thread_new("geoclue2", run_geoclue2_loop, state);
-
- return 0;
-}
-
-
-static void
-geoclue2_free(struct location_state *state)
-{
- if (state->pipe_fd_read >= 0)
- close(state->pipe_fd_read);
-
- /* Closing the pipe should cause the thread to exit, but it may be blocked by I/O */
- install_forceful_exit_signal_handlers();
- g_thread_join(state->thread);
- state->thread = NULL;
-
- free(state);
-}
-
-
-static void
-geoclue2_print_help(void)
-{
- printf(_("Use the location as discovered by a GeoClue2 provider.\n"));
- printf("\n");
-}
-
-
-static int
-geoclue2_set_option(struct location_state *state, const char *key, const char *value)
-{
- (void) state;
- (void) value;
- weprintf(_("Unknown provider parameter: `%s'."), key);
- return -1;
-}
-
-
-static int
-geoclue2_get_fd(struct location_state *state)
-{
- return state->pipe_fd_read;
-}
-
-
-static int
-geoclue2_fetch(struct location_state *state, struct location *location_out, int *available_out)
-{
- struct location_data data;
- ssize_t r;
-
- for (;;) {
- r = read(state->pipe_fd_read, &data, sizeof(data));
- if (r == (ssize_t)sizeof(data)) {
- state->saved_data = data;
- } else if (r > 0) {
- /* writes of 512 bytes or less are always atomic on pipes */
- weprintf("read <pipe>: %s", _("Unexpected message size"));
- } else if (!r || errno == EAGAIN) {
- break;
- } else if (errno != EINTR) {
- weprintf("read <pipe>:");
- state->saved_data.error = 1;
- break;
- }
- }
-
- *location_out = state->saved_data.location;
- *available_out = state->saved_data.available;
- return state->saved_data.error ? -1 : 0;
-}
-
-
-const struct location_provider geoclue2_location_provider = LOCATION_PROVIDER_INIT("geoclue2", geoclue2);
generated by cgit v1.2.3-70-g09d2 (git 2.48.0) at 2025-04-06 05:54:14 +0000