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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <assert.h>
#include <signal.h>
#include <wayland-client-protocol.h>
#include "ivi-application-client-protocol.h"
#include "ivi-controller-client-protocol.h"
#define ASSERT(x) assert(x)
struct display {
struct wl_display *display;
struct wl_registry *registry;
struct ivi_application *ivi_application;
struct ivi_controller *ivi_controller;
uint32_t surface_id;
int32_t error_code;
int surface_created;
};
static int running = 1;
static void
controller_event_screen(void *data, struct ivi_controller *ivi_controller,
uint32_t id_screen, struct ivi_controller_screen *screen)
{
/* do nothing */
}
static void
controller_event_layer(void *data, struct ivi_controller *ivi_controller,
uint32_t id_layer)
{
/* do nothing */
}
static void
controller_event_surface(void *data, struct ivi_controller *ivi_controller,
uint32_t id_surface)
{
/* do nothing */
}
static void
controller_event_error(void *data, struct ivi_controller *ivi_controller,
int32_t object_id, int32_t object_type, int32_t error_code,
const char *error_text)
{
struct display *d = data;
printf("IVISurfaceCreator: receive event [error=%d]\n", error_code);
if (object_type == IVI_CONTROLLER_OBJECT_TYPE_SURFACE)
{
d->error_code = error_code;
}
}
static void
controller_event_native_handle(void *data, struct ivi_controller *ivi_controller,
struct wl_surface *surface)
{
struct display *d = data;
printf("IVISurfaceCreator: receive event [native_handle]\n");
if (d && d->ivi_application)
{
printf("IVISurfaceCreator: create ivi_surface (ID:%u)\n", d->surface_id);
ivi_application_surface_create(d->ivi_application,
d->surface_id, surface);
++(d->surface_id);
d->surface_created = 1;
}
}
static const struct ivi_controller_listener controller_listener = {
controller_event_screen,
controller_event_layer,
controller_event_surface,
controller_event_error,
controller_event_native_handle
};
static void
registry_handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
struct display *d = data;
if (strcmp(interface, "ivi_application") == 0)
{
d->ivi_application = wl_registry_bind(registry, name,
&ivi_application_interface, 1);
}
else if (strcmp(interface, "ivi_controller") == 0)
{
d->ivi_controller = wl_registry_bind(registry, name,
&ivi_controller_interface, 1);
ivi_controller_add_listener(d->ivi_controller,
&controller_listener, data);
}
}
static void
registry_handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name)
{
/* do nothing */
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove
};
static void
signal_action(int signum)
{
running = 0;
}
static void
usage(int status)
{
fprintf(stderr, "Usage: IVISurfaceCreator <Process ID> <Window Title> <IVI-Surface ID>\n");
exit(status);
}
int
main(int argc, char **argv)
{
struct display display = {0};
struct sigaction sigact;
if (argc < 4)
{
usage(EXIT_FAILURE);
}
int32_t process_id = atoi(argv[1]);
char * window_title = NULL;
display.surface_id = atoi(argv[3]);
if (strlen(argv[2]) > 0)
{
window_title = strdup(argv[2]);
}
sigact.sa_handler = signal_action;
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = SA_RESETHAND;
sigaction(SIGINT, &sigact, NULL);
display.display = wl_display_connect(NULL);
ASSERT(display.display);
display.registry = wl_display_get_registry(display.display);
wl_registry_add_listener(display.registry,
®istry_listener, &display);
wl_display_dispatch(display.display);
ASSERT(display.ivi_application &&
display.ivi_controller);
int retry_count = 0;
int rc = 0;
do
{
ivi_controller_get_native_handle(display.ivi_controller,
process_id,
window_title);
wl_display_roundtrip(display.display);
while (!display.error_code && running && (rc != -1))
{
rc = wl_display_dispatch(display.display);
}
if (display.error_code == IVI_CONTROLLER_ERROR_CODE_NATIVE_HANDLE_END)
{
if (display.surface_created){
break;
} else
{
printf("IVISurfaceCreator: Search of native handle was ended.\n"
" But no surface was created.\n"
" Retry get_native_handle.\n");
display.error_code = 0;
sleep(1);
}
}
} while ((++retry_count < 10) && running);
wl_display_roundtrip(display.display);
printf("IVISurfaceCreator: exit\n");
wl_registry_destroy(display.registry);
wl_display_flush(display.display);
wl_display_disconnect(display.display);
if (window_title)
free(window_title);
return 0;
}
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