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