src/wayland.cpp

   1 #include "wayland.hpp"
   2
   3 //                                                                  _
   4 //  _ __   __ _ _ __ ___   ___  ___ _ __   __ _  ___ ___  __      _| |
   5 // | '_ \ / _` | '_ ` _ \ / _ \/ __| '_ \ / _` |/ __/ _ \ \ \ /\ / / |
   6 // | | | | (_| | | | | | |  __/\__ \ |_) | (_| | (_|  __/  \ V  V /| |
   7 // |_| |_|\__,_|_| |_| |_|\___||___/ .__/ \__,_|\___\___|   \_/\_/ |_|
   8 //                                 |_|
   9 namespace wl {
  10
  11 //      _ _           _
  12 //   __| (_)___ _ __ | | __ _ _   _
  13 //  / _` | / __| '_ \| |/ _` | | | |
  14 // | (_| | \__ \ |_) | | (_| | |_| |
  15 //  \__,_|_|___/ .__/|_|\__,_|\__, |
  16 //             |_|            |___/
  17 display::display()
  18    : d(std::unique_ptr<struct wl_display, void (*)(struct wl_display *)>(
  19         wl_display_connect(NULL),
  20 #ifdef DEBUG_OUTPUT
  21         [](struct wl_display *d) {
  22            logdebug("wl::display ~display @ %p", d);
  23            wl_display_disconnect(d);
  24         })),
  25 #else
  26         &wl_display_disconnect)),
  27 #endif
  28      r(d.get()) {
  29 }
  30
  31 display::~display() {}
  32
  33 bool display::ok() const { return d && wl_display_get_error(d.get()) == 0; }
  34
  35 void display::roundtrip() { wl_display_roundtrip(this->d.get()); }
  36
  37 int display::dispatch() { return wl_display_dispatch(this->d.get()); }
  38
  39 void display::flush() { wl_display_flush(this->d.get()); }
  40
  41 int display::get_fd() const { return wl_display_get_fd(this->d.get()); }
  42
  43 //                 _     _
  44 //  _ __ ___  __ _(_)___| |_ _ __ _   _
  45 // | '__/ _ \/ _` | / __| __| '__| | | |
  46 // | | |  __/ (_| | \__ \ |_| |  | |_| |
  47 // |_|  \___|\__, |_|___/\__|_|   \__, |
  48 //           |___/                |___/
  49 namespace {
  50 void registry_global(void *data, struct wl_registry *r, uint32_t name,
  51                      char const *iface, uint32_t v) {
  52    static_cast<struct registry *>(data)->global(name, iface, v);
  53 }
  54
  55 void registry_global_remove(void *data, struct wl_registry *r, uint32_t name) {
  56    static_cast<struct registry *>(data)->global_remove(name);
  57 }
  58
  59 constexpr struct wl_registry_listener registry_listener = {
  60    registry_global, registry_global_remove};
  61 }
  62
  63 registry::registry(struct wl_display *d)
  64    : wayland_proxy(!d ? nullptr : wl_display_get_registry(d)) {
  65    if (this->proxy)
  66       wl_registry_add_listener(this->proxy, &registry_listener, this);
  67 }
  68
  69 registry::~registry() {
  70    logdebug("wl::registry %s @ %p", __func__, this->proxy);
  71 }
  72
  73 void registry::add_global_handler(char const *iface, binder bind) {
  74    this->bindings[iface] = bind;
  75 }
  76
  77 void registry::global(uint32_t name, char const *iface, uint32_t v) {
  78    auto b = this->bindings.find(iface);
  79    if (b != this->bindings.end())
  80       b->second(this->proxy, name, v);
  81    logdebug("wl::registry @ %p global n %u i %s v %u", this->proxy, name, iface,
  82             v);
  83 }
  84
  85 void registry::global_remove(uint32_t name) {}
  86
  87 //              _               _
  88 //   ___  _   _| |_ _ __  _   _| |_
  89 //  / _ \| | | | __| '_ \| | | | __|
  90 // | (_) | |_| | |_| |_) | |_| | |_
  91 //  \___/ \__,_|\__| .__/ \__,_|\__|
  92 //                 |_|
  93 namespace {
  94 void output_geometry(void *data, struct wl_output *wl_output, int32_t x,
  95                      int32_t y, int32_t physical_width, int32_t physical_height,
  96                      int32_t subpixel, const char *make, const char *model,
  97                      int32_t transform) {
  98    static_cast<struct output *>(data)->geometry(
  99       x, y, physical_width, physical_height, subpixel, make, model, transform);
 100 }
 101
 102 void output_mode(void *data, struct wl_output *wl_output, uint32_t flags,
 103                  int32_t width, int32_t height, int32_t refresh) {
 104    static_cast<struct output *>(data)->mode(flags, width, height, refresh);
 105 }
 106
 107 void output_done(void *data, struct wl_output *wl_output) {
 108    static_cast<struct output *>(data)->done();
 109 }
 110
 111 void output_scale(void *data, struct wl_output *wl_output, int32_t factor) {
 112    static_cast<struct output *>(data)->scale(factor);
 113 }
 114
 115 constexpr struct wl_output_listener output_listener = {
 116    output_geometry, output_mode, output_done, output_scale};
 117 }
 118
 119 output::output(struct wl_registry *r, uint32_t name, uint32_t v)
 120    : wayland_proxy(wl_registry_bind(r, name, &wl_output_interface, v)) {
 121    wl_output_add_listener(this->proxy, &output_listener, this);
 122 }
 123
 124 void output::geometry(int32_t x, int32_t y, int32_t pw, int32_t ph,
 125                       int32_t subpel, char const *make, char const *model,
 126                       int32_t tx) {
 127    logdebug(
 128       "wl::output %s @ %p x %i y %i w %i h %i spel %x make %s model %s tx %i",
 129       __func__, this->proxy, x, y, pw, ph, subpel, make, model, tx);
 130 }
 131
 132 void output::mode(uint32_t flags, int32_t w, int32_t h, int32_t r) {
 133    logdebug("wl::output %s @ %p f %x w %i h %i r %i", __func__, this->proxy,
 134             flags, w, h, r);
 135    if (flags & WL_OUTPUT_MODE_CURRENT) {
 136       this->width = w;
 137       this->height = h;
 138       this->refresh = r;
 139    }
 140 }
 141
 142 void output::done() {
 143    logdebug("wl::output %s @ %p done", __func__, this->proxy);
 144 }
 145
 146 void output::scale(int32_t factor) {
 147    logdebug("wl::output %s @ %p f %i", __func__, this->proxy, factor);
 148 }
 149 }
 150
 151 //  _ __   __ _ _ __ ___   ___  ___ _ __   __ _  ___ ___
 152 // | '_ \ / _` | '_ ` _ \ / _ \/ __| '_ \ / _` |/ __/ _ \
 153 // | | | | (_| | | | | | |  __/\__ \ |_) | (_| | (_|  __/
 154 // |_| |_|\__,_|_| |_| |_|\___||___/ .__/ \__,_|\___\___|
 155 //                                 |_|
 156 //                   _       _
 157 //   __ _  ___ _ __ (_)_   _(_)
 158 //  / _` |/ _ \ '_ \| \ \ / / |
 159 // | (_| |  __/ | | | |\ V /| |
 160 //  \__, |\___|_| |_|_| \_/ |_|
 161 //  |___/
 162 namespace genivi {
 163
 164 //                  _             _ _
 165 //   ___ ___  _ __ | |_ _ __ ___ | | | ___ _ __
 166 //  / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|
 167 // | (_| (_) | | | | |_| | | (_) | | |  __/ |
 168 //  \___\___/|_| |_|\__|_|  \___/|_|_|\___|_|
 169 //
 170 namespace {
 171 void controller_screen(void *data, struct ivi_controller *ivi_controller,
 172                        uint32_t id_screen,
 173                        struct ivi_controller_screen *screen) {
 174    static_cast<struct controller *>(data)->controller_screen(id_screen, screen);
 175 }
 176
 177 void controller_layer(void *data, struct ivi_controller *ivi_controller,
 178                       uint32_t id_layer) {
 179    static_cast<struct controller *>(data)->controller_layer(id_layer);
 180 }
 181
 182 void controller_surface(void *data, struct ivi_controller *ivi_controller,
 183                         uint32_t id_surface) {
 184    static_cast<struct controller *>(data)->controller_surface(id_surface);
 185 }
 186
 187 void controller_error(void *data, struct ivi_controller *ivi_controller,
 188                       int32_t object_id, int32_t object_type,
 189                       int32_t error_code, const char *error_text) {
 190    static_cast<struct controller *>(data)->controller_error(
 191       object_id, object_type, error_code, error_text);
 192 }
 193
 194 constexpr struct ivi_controller_listener listener = {
 195    controller_screen, controller_layer, controller_surface, controller_error};
 196 }
 197
 198 controller::controller(struct wl_registry *r, uint32_t name, uint32_t version)
 199    : wayland_proxy(
 200         wl_registry_bind(r, name, &ivi_controller_interface, version)),
 201      surfaces{},
 202      layers{},
 203      screens{},
 204      pending{},
 205      output_size{} {
 206    ivi_controller_add_listener(this->proxy, &listener, this);
 207 }
 208
 209 controller::~controller() {}
 210
 211 void controller::layer_create(uint32_t id, int32_t w, int32_t h) {
 212    this->layers[id] = std::make_unique<layer>(id, w, h, this);
 213 }
 214
 215 void controller::surface_create(uint32_t id) {
 216    this->surfaces[id] = std::make_unique<surface>(id, this);
 217 }
 218
 219 void controller::controller_screen(uint32_t id,
 220                                    struct ivi_controller_screen *screen) {
 221    logdebug("genivi::controller @ %p screen %u (%x) @ %p", this->proxy, id, id,
 222             screen);
 223    this->screens[id] = std::make_unique<struct screen>(id, this, screen);
 224 }
 225
 226 void controller::controller_layer(uint32_t id) {
 227    logdebug("genivi::controller @ %p layer %u (%x)", this->proxy, id, id);
 228    this->layers[id] = std::make_unique<struct layer>(id, this);
 229 }
 230
 231 void controller::controller_surface(uint32_t id) {
 232    logdebug("genivi::controller @ %p surface %u (%x)", this->proxy, id, id);
 233    this->surfaces[id] = std::make_unique<struct surface>(id, this);
 234
 235    add_task("fullscreen surface", [id](struct controller *c) {
 236       c->surfaces[id]->set_destination_rectangle(0, 0, c->output_size.w,
 237                                                  c->output_size.h);
 238       c->surfaces[id]->set_visibility(1);
 239       uint32_t lid = id == 0x16180 ? 1000 : 100;
 240       c->layers[lid]->add_surface(c->surfaces[id].get());
 241       c->layers[lid]->set_visibility(1);
 242       logdebug("Surface %u now fullscreen on layer %u", id, lid);
 243    });
 244 }
 245
 246 void controller::controller_error(int32_t object_id, int32_t object_type,
 247                                   int32_t error_code, const char *error_text) {
 248    logdebug("genivi::controller @ %p error o %i t %i c %i text %s", this->proxy,
 249             object_id, object_type, error_code, error_text);
 250 }
 251
 252 //  _
 253 // | | __ _ _   _  ___ _ __
 254 // | |/ _` | | | |/ _ \ '__|
 255 // | | (_| | |_| |  __/ |
 256 // |_|\__,_|\__, |\___|_|
 257 //          |___/
 258 namespace {
 259 void layer_visibility(void *data,
 260                       struct ivi_controller_layer *ivi_controller_layer,
 261                       int32_t visibility) {
 262    static_cast<struct layer *>(data)->parent->layer_visibility(
 263       static_cast<struct layer *>(data)->id, visibility);
 264 }
 265
 266 void layer_opacity(void *data,
 267                    struct ivi_controller_layer *ivi_controller_layer,
 268                    wl_fixed_t opacity) {
 269    static_cast<struct layer *>(data)->parent->layer_opacity(
 270       static_cast<struct layer *>(data)->id,
 271       float(wl_fixed_to_double(opacity)));
 272 }
 273
 274 void layer_source_rectangle(void *data,
 275                             struct ivi_controller_layer *ivi_controller_layer,
 276                             int32_t x, int32_t y, int32_t width,
 277                             int32_t height) {
 278    static_cast<struct layer *>(data)->parent->layer_source_rectangle(
 279       static_cast<struct layer *>(data)->id, x, y, width, height);
 280 }
 281
 282 void layer_destination_rectangle(
 283    void *data, struct ivi_controller_layer *ivi_controller_layer, int32_t x,
 284    int32_t y, int32_t width, int32_t height) {
 285    static_cast<struct layer *>(data)->parent->layer_destination_rectangle(
 286       static_cast<struct layer *>(data)->id, x, y, width, height);
 287 }
 288
 289 void layer_configuration(void *data,
 290                          struct ivi_controller_layer *ivi_controller_layer,
 291                          int32_t width, int32_t height) {
 292    static_cast<struct layer *>(data)->parent->layer_configuration(
 293       static_cast<struct layer *>(data)->id, width, height);
 294 }
 295
 296 void layer_orientation(void *data,
 297                        struct ivi_controller_layer *ivi_controller_layer,
 298                        int32_t orientation) {
 299    static_cast<struct layer *>(data)->parent->layer_orientation(
 300       static_cast<struct layer *>(data)->id, orientation);
 301 }
 302
 303 void layer_screen(void *data, struct ivi_controller_layer *ivi_controller_layer,
 304                   struct wl_output *screen) {
 305    static_cast<struct layer *>(data)->parent->layer_screen(
 306       static_cast<struct layer *>(data)->id, screen);
 307 }
 308
 309 void layer_destroyed(void *data,
 310                      struct ivi_controller_layer *ivi_controller_layer) {
 311    static_cast<struct layer *>(data)->parent->layer_destroyed(
 312       static_cast<struct layer *>(data)->id);
 313 }
 314
 315 constexpr struct ivi_controller_layer_listener layer_listener = {
 316    layer_visibility,       layer_opacity,
 317    layer_source_rectangle, layer_destination_rectangle,
 318    layer_configuration,    layer_orientation,
 319    layer_screen,           layer_destroyed,
 320 };
 321 }
 322
 323 layer::layer(uint32_t i, struct controller *c) : layer(i, 0, 0, c) {}
 324
 325 layer::layer(uint32_t i, int32_t w, int32_t h, struct controller *c)
 326    : wayland_proxy(ivi_controller_layer_create(c->proxy, i, w, h)),
 327      controlled_entity(c, i),
 328      dst_rect{},
 329      src_rect{},
 330      size{},
 331      orientation{},
 332      visibility{},
 333      opacity{} {
 334    ivi_controller_layer_add_listener(this->proxy, &layer_listener, this);
 335 }
 336
 337 layer::~layer() {
 338    logdebug("%s layer %i @ %p", __func__, this->id, this->proxy);
 339    ivi_controller_layer_destroy(this->proxy, 1);
 340    this->proxy = nullptr;
 341 }
 342
 343 void controller::layer_visibility(uint32_t id, int32_t visibility) {
 344    logdebug("genivi::layer %s @ %p v %i", __func__, this->proxy, visibility);
 345    this->layers[id]->visibility = visibility;
 346 }
 347
 348 void controller::layer_opacity(uint32_t id, float opacity) {
 349    logdebug("genivi::layer %s @ %p o %f", __func__, this->proxy, opacity);
 350    this->layers[id]->opacity = opacity;
 351 }
 352
 353 void controller::layer_source_rectangle(uint32_t id, int32_t x, int32_t y,
 354                                         int32_t width, int32_t height) {
 355    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
 356             x, y, width, height);
 357    this->layers[id]->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 358 }
 359
 360 void controller::layer_destination_rectangle(uint32_t id, int32_t x, int32_t y,
 361                                              int32_t width, int32_t height) {
 362    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
 363             x, y, width, height);
 364    this->layers[id]->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 365 }
 366
 367 void controller::layer_configuration(uint32_t id, int32_t width,
 368                                      int32_t height) {
 369    logdebug("genivi::layer %s @ %p w %i h %i", __func__, this->proxy, width,
 370             height);
 371    this->layers[id]->size = size{uint32_t(width), uint32_t(height)};
 372 }
 373
 374 void controller::layer_orientation(uint32_t id, int32_t orientation) {
 375    logdebug("genivi::layer %s @ %p o %i", __func__, this->proxy, orientation);
 376    this->layers[id]->orientation = orientation;
 377 }
 378
 379 void controller::layer_screen(uint32_t id, struct wl_output *screen) {
 380    logdebug("genivi::layer %s @ %p s %p", __func__, this->proxy, screen);
 381 }
 382
 383 void controller::layer_destroyed(uint32_t id) {
 384    logdebug("genivi::layer %s @ %p", __func__, this->proxy);
 385 }
 386
 387 //                  __
 388 //  ___ _   _ _ __ / _| __ _  ___ ___
 389 // / __| | | | '__| |_ / _` |/ __/ _ \
 390 // \__ \ |_| | |  |  _| (_| | (_|  __/
 391 // |___/\__,_|_|  |_|  \__,_|\___\___|
 392 //
 393 namespace {
 394
 395 void surface_visibility(void *data,
 396                         struct ivi_controller_surface *ivi_controller_surface,
 397                         int32_t visibility) {
 398    static_cast<struct surface *>(data)->parent->surface_visibility(
 399       static_cast<struct surface *>(data)->id, visibility);
 400 }
 401
 402 void surface_opacity(void *data,
 403                      struct ivi_controller_surface *ivi_controller_surface,
 404                      wl_fixed_t opacity) {
 405    static_cast<struct surface *>(data)->parent->surface_opacity(
 406       static_cast<struct surface *>(data)->id,
 407       float(wl_fixed_to_double(opacity)));
 408 }
 409
 410 void surface_source_rectangle(
 411    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
 412    int32_t y, int32_t width, int32_t height) {
 413    static_cast<struct surface *>(data)->parent->surface_source_rectangle(
 414       static_cast<struct surface *>(data)->id, x, y, width, height);
 415 }
 416
 417 void surface_destination_rectangle(
 418    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
 419    int32_t y, int32_t width, int32_t height) {
 420    static_cast<struct surface *>(data)->parent->surface_destination_rectangle(
 421       static_cast<struct surface *>(data)->id, x, y, width, height);
 422 }
 423
 424 void surface_configuration(
 425    void *data, struct ivi_controller_surface *ivi_controller_surface,
 426    int32_t width, int32_t height) {
 427    static_cast<struct surface *>(data)->parent->surface_configuration(
 428       static_cast<struct surface *>(data)->id, width, height);
 429 }
 430
 431 void surface_orientation(void *data,
 432                          struct ivi_controller_surface *ivi_controller_surface,
 433                          int32_t orientation) {
 434    static_cast<struct surface *>(data)->parent->surface_orientation(
 435       static_cast<struct surface *>(data)->id, orientation);
 436 }
 437
 438 void surface_pixelformat(void *data,
 439                          struct ivi_controller_surface *ivi_controller_surface,
 440                          int32_t pixelformat) {
 441    static_cast<struct surface *>(data)->parent->surface_pixelformat(
 442       static_cast<struct surface *>(data)->id, pixelformat);
 443 }
 444
 445 void surface_layer(void *data,
 446                    struct ivi_controller_surface *ivi_controller_surface,
 447                    struct ivi_controller_layer *layer) {
 448    static_cast<struct surface *>(data)->parent->surface_layer(
 449       static_cast<struct surface *>(data)->id, layer);
 450 }
 451
 452 void surface_stats(void *data,
 453                    struct ivi_controller_surface *ivi_controller_surface,
 454                    uint32_t redraw_count, uint32_t frame_count,
 455                    uint32_t update_count, uint32_t pid,
 456                    const char *process_name) {
 457    static_cast<struct surface *>(data)->parent->surface_stats(
 458       static_cast<struct surface *>(data)->id, redraw_count, frame_count,
 459       update_count, pid, process_name);
 460 }
 461
 462 void surface_destroyed(void *data,
 463                        struct ivi_controller_surface *ivi_controller_surface) {
 464    static_cast<struct surface *>(data)->parent->surface_destroyed(
 465       static_cast<struct surface *>(data)->id);
 466 }
 467
 468 void surface_content(void *data,
 469                      struct ivi_controller_surface *ivi_controller_surface,
 470                      int32_t content_state) {
 471    static_cast<struct surface *>(data)->parent->surface_content(
 472       static_cast<struct surface *>(data)->id, content_state);
 473 }
 474
 475 constexpr struct ivi_controller_surface_listener surface_listener = {
 476    surface_visibility,
 477    surface_opacity,
 478    surface_source_rectangle,
 479    surface_destination_rectangle,
 480    surface_configuration,
 481    surface_orientation,
 482    surface_pixelformat,
 483    surface_layer,
 484    surface_stats,
 485    surface_destroyed,
 486    surface_content,
 487 };
 488 }
 489
 490 surface::surface(uint32_t i, struct controller *c)
 491    : wayland_proxy(ivi_controller_surface_create(c->proxy, i)),
 492      controlled_entity(c, i),
 493      dst_rect{},
 494      src_rect{},
 495      size{},
 496      orientation{},
 497      visibility{},
 498      opacity{1.f} {
 499    ivi_controller_surface_add_listener(this->proxy, &surface_listener, this);
 500 }
 501
 502 surface::~surface() {
 503    logdebug("%s surface %i @ %p", __func__, this->id, this->proxy);
 504    ivi_controller_surface_destroy(this->proxy, 1);
 505    this->proxy = nullptr;
 506 }
 507
 508 void controller::surface_visibility(uint32_t id, int32_t visibility) {
 509    logdebug("genivi::surface %s @ %p v %i", __func__, this->proxy, visibility);
 510    this->surfaces[id]->visibility = visibility;
 511 }
 512
 513 void controller::surface_opacity(uint32_t id, float opacity) {
 514    logdebug("genivi::surface %s @ %p o %f", __func__, this->proxy, opacity);
 515    this->surfaces[id]->opacity = opacity;
 516 }
 517
 518 void controller::surface_source_rectangle(uint32_t id, int32_t x, int32_t y,
 519                                           int32_t width, int32_t height) {
 520    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
 521             this->proxy, x, y, width, height);
 522    this->surfaces[id]->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 523 }
 524
 525 void controller::surface_destination_rectangle(uint32_t id, int32_t x,
 526                                                int32_t y, int32_t width,
 527                                                int32_t height) {
 528    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
 529             this->proxy, x, y, width, height);
 530    this->surfaces[id]->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 531 }
 532
 533 void controller::surface_configuration(uint32_t id, int32_t width,
 534                                        int32_t height) {
 535    logdebug("genivi::surface %s @ %p w %i h %i", __func__, this->proxy, width,
 536             height);
 537    this->surfaces[id]->size = size{uint32_t(width), uint32_t(height)};
 538 }
 539
 540 void controller::surface_orientation(uint32_t id, int32_t orientation) {
 541    logdebug("genivi::surface %s @ %p o %i", __func__, this->proxy, orientation);
 542    this->surfaces[id]->orientation = orientation;
 543 }
 544
 545 void controller::surface_pixelformat(uint32_t id, int32_t pixelformat) {
 546    logdebug("genivi::surface %s @ %p f %i", __func__, this->proxy, pixelformat);
 547 }
 548
 549 void controller::surface_layer(uint32_t id,
 550                                struct ivi_controller_layer *layer) {
 551    logdebug("genivi::surface %s @ %p l @ %p", __func__, this->proxy, layer);
 552 }
 553
 554 void controller::surface_stats(uint32_t id, uint32_t redraw_count,
 555                                uint32_t frame_count, uint32_t update_count,
 556                                uint32_t pid, const char *process_name) {
 557    logdebug("genivi::surface %s @ %p r %u f %u u %u pid %u p %s", __func__,
 558             this->proxy, redraw_count, frame_count, update_count, pid,
 559             process_name);
 560 }
 561
 562 void controller::surface_destroyed(uint32_t id) {
 563    logdebug("genivi::surface %s @ %p", __func__, this->proxy);
 564    this->surfaces.erase(id);
 565 }
 566
 567 void controller::surface_content(uint32_t id, int32_t content_state) {
 568    logdebug("genivi::surface %s @ %p s %i", __func__, this->proxy,
 569             content_state);
 570    if (content_state == IVI_CONTROLLER_SURFACE_CONTENT_STATE_CONTENT_REMOVED) {
 571       add_task("remove surface",
 572                [id](struct controller *c) { c->surfaces.erase(id); });
 573    }
 574 }
 575
 576 //
 577 //  ___  ___ _ __ ___  ___ _ __
 578 // / __|/ __| '__/ _ \/ _ \ '_ \
 579 // \__ \ (__| | |  __/  __/ | | |
 580 // |___/\___|_|  \___|\___|_| |_|
 581 //
 582 screen::screen(uint32_t i, struct controller *c,
 583                struct ivi_controller_screen *p)
 584    : wayland_proxy(p), controlled_entity(c, i) {
 585    logdebug("genivi::screen @ %p id %u", p, i);
 586 }
 587 }