#include <stdio.h>
#include <gio/gio.h>
+#ifdef HAVE_X11
#include <X11/Xlib.h>
#include <X11/Xatom.h>
+#endif
+
+#define APP_CONTROL_OPERATION_SCREEN_READ "http://tizen.org/appcontrol/operation/read_screen"
+#include <appsvc.h>
+#include <vconf.h>
+
+//uncomment if you want debug
+//#ifndef TIZEN_ENGINEER_MODE
+//#define TIZEN_ENGINEER_MODE
+//#endif
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+
+#define LOG_TAG "ATSPI_BUS_LAUNCHER"
+
+#include <dlog.h>
+#include <aul.h>
+
+//uncomment this if you want log suring startup
+//seems like dlog is not working at startup time
+#define ATSPI_BUS_LAUNCHER_LOG_TO_FILE
+
+#ifdef ATSPI_BUS_LAUNCHER_LOG_TO_FILE
+FILE *log_file;
+#ifdef LOGD
+#undef LOGD
+#endif
+#define LOGD(arg...) do {if (log_file) {fprintf(log_file, ##arg);fprintf(log_file, "\n"); fflush(log_file);}} while(0)
+#endif
+
typedef enum {
A11Y_BUS_STATE_IDLE = 0,
GSettings *a11y_schema;
GSettings *interface_schema;
+ int launch_screen_reader_repeats;
+ gboolean screen_reader_needed;
+ int pid;
+
A11yBusState state;
+
/* -1 == error, 0 == pending, > 0 == running */
int a11y_bus_pid;
char *a11y_bus_address;
app->state = A11Y_BUS_STATE_READING_ADDRESS;
app->a11y_bus_pid = pid;
- g_debug ("Launched a11y bus, child is %ld", (long) pid);
+ LOGD("Launched a11y bus, child is %ld", (long) pid);
if (!unix_read_all_fd_to_string (app->pipefd[0], addr_buf, sizeof (addr_buf)))
{
app->a11y_launch_error_message = g_strdup_printf ("Failed to read address: %s", strerror (errno));
/* Trim the trailing newline */
app->a11y_bus_address = g_strchomp (g_strdup (addr_buf));
- g_debug ("a11y bus address: %s", app->a11y_bus_address);
+ LOGD("a11y bus address: %s", app->a11y_bus_address);
+#ifdef HAVE_X11
{
Display *display = XOpenDisplay (NULL);
if (display)
XCloseDisplay (display);
}
}
+#endif
return TRUE;
static gboolean
already_running ()
{
+#ifdef HAVE_X11
Atom AT_SPI_BUS;
Atom actual_type;
Display *bridge_display;
if (data)
{
GDBusConnection *bus;
- const gchar *old_session = g_getenv ("DBUS_SESSION_BUS_ADDRESS");
- /* TODO: Is there a better way to connect? This is really hacky */
- g_setenv ("DBUS_SESSION_BUS_ADDRESS", data, TRUE);
- bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
- g_setenv ("DBUS_SESSION_BUS_ADDRESS", old_session, TRUE);
+ bus = g_dbus_connection_new_for_address_sync ((const gchar *)data, 0,
+ NULL, NULL, NULL);
if (bus != NULL)
{
result = TRUE;
XCloseDisplay (bridge_display);
return result;
+#else
+ return FALSE;
+#endif
}
static GSettings *
handle_screen_reader_enabled_change (_global_app, new_val, FALSE);
}
+static gboolean
+_launch_screen_reader(gpointer user_data)
+{
+ A11yBusLauncher *bl = user_data;
+ LOGD("Launching screen reader");
+
+ bundle *kb = NULL;
+ gboolean ret = FALSE;
+
+ kb = bundle_create();
+
+ if (kb == NULL)
+ {
+ LOGD("Can't create bundle");
+ return FALSE;
+ }
+ int operation_error = appsvc_set_operation(kb, APP_CONTROL_OPERATION_SCREEN_READ);
+ LOGD("appsvc_set_operation: %i", operation_error);
+
+ bl->pid = appsvc_run_service(kb, 0, NULL, NULL);
+
+ if (bl->pid > 0)
+ {
+ LOGD("Screen reader launched with pid: %i", bl->pid);
+ ret = TRUE;
+ }
+ else
+ {
+ LOGD("Can't start screen-reader - error code: %i", bl->pid);
+ }
+
+
+ bundle_free(kb);
+ return ret;
+}
+
+static gboolean
+_launch_screen_reader_repeat_until_success(gpointer user_data) {
+ A11yBusLauncher *bl = user_data;
+
+ if (bl->launch_screen_reader_repeats > 100 || bl->pid > 0)
+ {
+ //do not try anymore
+ return FALSE;
+ }
+
+ gboolean ret = _launch_screen_reader(user_data);
+
+ if (ret)
+ {
+ //we managed to
+ bl->launch_screen_reader_repeats = 0;
+ return FALSE;
+ }
+ //try again
+ return TRUE;
+}
+
+static gboolean
+_terminate_screen_reader(A11yBusLauncher *bl)
+{
+ LOGD("Terminating screen reader");
+ int ret;
+ if (bl->pid <= 0)
+ return FALSE;
+
+
+ int status = aul_app_get_status_bypid(bl->pid);
+
+ if (status < 0)
+ {
+ LOGD("App with pid %d already terminated", bl->pid);
+ bl->pid = 0;
+ return TRUE;
+ }
+
+ LOGD("terminate process with pid %d", bl->pid);
+ if (!aul_terminate_pid(bl->pid))
+ {
+ bl->pid = 0;
+ return TRUE;
+ }
+
+ LOGD("Unable to terminate process using aul api. Sending SIGTERM signal");
+ ret = kill(bl->pid, SIGTERM);
+ if (!ret)
+ {
+ bl->pid = 0;
+ return TRUE;
+ }
+
+ LOGD("Unable to terminate process: %d with api or signal.", bl->pid);
+ return FALSE;
+}
+
+void screen_reader_cb(keynode_t *node, void *user_data)
+{
+ A11yBusLauncher *bl = user_data;
+ int ret;
+
+ ret = vconf_keynode_get_bool(node);
+ LOGD("vconf_keynode_get_bool(node): %i", ret);
+ if (ret < 0)
+ return;
+
+ //check if process really exists (e.g didn't crash)
+ if (bl->pid > 0)
+ {
+ int err = kill(bl->pid,0);
+ //process doesn't exist
+ if (err == ESRCH)
+ bl->pid = 0;
+ }
+
+ bl->screen_reader_needed = ret;
+ LOGD("bl->screen_reader_needed: %i, bl->pid: %i", ret, bl->pid);
+ if (!bl->screen_reader_needed && (bl->pid > 0))
+ _terminate_screen_reader(bl);
+ else if (bl->screen_reader_needed && (bl->pid <= 0))
+ _launch_screen_reader(bl);
+}
+
int
main (int argc,
char **argv)
{
+#ifdef ATSPI_BUS_LAUNCHER_LOG_TO_FILE
+ log_file = fopen("/tmp/at-spi-bus-launcher.log", "a");
+#endif
+
+ LOGD("Starting atspi bus launcher");
GError *error = NULL;
GMainLoop *loop;
GDBusConnection *session_bus;
gboolean screen_reader_set = FALSE;
gint i;
- g_type_init ();
-
if (already_running ())
- return 0;
+ {
+ LOGD("atspi bus launcher is already running");
+ return 0;
+ }
_global_app = g_slice_new0 (A11yBusLauncher);
_global_app->loop = g_main_loop_new (NULL, FALSE);
+ _global_app->launch_screen_reader_repeats = 0;
for (i = 1; i < argc; i++)
{
_global_app,
NULL);
+ int ret = vconf_get_bool(VCONFKEY_SETAPPL_ACCESSIBILITY_TTS, &_global_app->screen_reader_needed);
+ if (ret != 0)
+ {
+ LOGD("Could not read VCONFKEY_SETAPPL_ACCESSIBILITY_TTS key value.\n");
+ return FALSE;
+ }
+ ret = vconf_notify_key_changed(VCONFKEY_SETAPPL_ACCESSIBILITY_TTS, screen_reader_cb, _global_app);
+ if(ret != 0)
+ {
+ LOGD("Could not add information level callback\n");
+ return FALSE;
+ }
+ if (_global_app->screen_reader_needed)
+ g_timeout_add_seconds(2,_launch_screen_reader_repeat_until_success, _global_app);
+
g_main_loop_run (_global_app->loop);
if (_global_app->a11y_bus_pid > 0)
* GDM is launching a login on an X server it was using before,
* we don't want early login processes to pick up the stale address.
*/
+#ifdef HAVE_X11
{
Display *display = XOpenDisplay (NULL);
if (display)
XCloseDisplay (display);
}
}
+#endif
if (_global_app->a11y_launch_error_message)
{
projects / platform / upstream / at-spi2-core.git / blobdiff