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 ? nullptr : std::make_unique<struct registry>(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
 232 void controller::controller_error(int32_t object_id, int32_t object_type,
 233                                   int32_t error_code, const char *error_text) {
 234    logdebug("genivi::controller @ %p error o %i t %i c %i text %s", this->proxy,
 235             object_id, object_type, error_code, error_text);
 236 }
 237
 238 //  _
 239 // | | __ _ _   _  ___ _ __
 240 // | |/ _` | | | |/ _ \ '__|
 241 // | | (_| | |_| |  __/ |
 242 // |_|\__,_|\__, |\___|_|
 243 //          |___/
 244 namespace {
 245 void layer_visibility(void *data,
 246                       struct ivi_controller_layer *ivi_controller_layer,
 247                       int32_t visibility) {
 248    static_cast<struct layer *>(data)->parent->layer_visibility(
 249       static_cast<struct layer *>(data)->id, visibility);
 250 }
 251
 252 void layer_opacity(void *data,
 253                    struct ivi_controller_layer *ivi_controller_layer,
 254                    wl_fixed_t opacity) {
 255    static_cast<struct layer *>(data)->parent->layer_opacity(
 256       static_cast<struct layer *>(data)->id, wl_fixed_to_double(opacity));
 257 }
 258
 259 void layer_source_rectangle(void *data,
 260                             struct ivi_controller_layer *ivi_controller_layer,
 261                             int32_t x, int32_t y, int32_t width,
 262                             int32_t height) {
 263    static_cast<struct layer *>(data)->parent->layer_source_rectangle(
 264       static_cast<struct layer *>(data)->id, x, y, width, height);
 265 }
 266
 267 void layer_destination_rectangle(
 268    void *data, struct ivi_controller_layer *ivi_controller_layer, int32_t x,
 269    int32_t y, int32_t width, int32_t height) {
 270    static_cast<struct layer *>(data)->parent->layer_destination_rectangle(
 271       static_cast<struct layer *>(data)->id, x, y, width, height);
 272 }
 273
 274 void layer_configuration(void *data,
 275                          struct ivi_controller_layer *ivi_controller_layer,
 276                          int32_t width, int32_t height) {
 277    static_cast<struct layer *>(data)->parent->layer_configuration(
 278       static_cast<struct layer *>(data)->id, width, height);
 279 }
 280
 281 void layer_orientation(void *data,
 282                        struct ivi_controller_layer *ivi_controller_layer,
 283                        int32_t orientation) {
 284    static_cast<struct layer *>(data)->parent->layer_orientation(
 285       static_cast<struct layer *>(data)->id, orientation);
 286 }
 287
 288 void layer_screen(void *data, struct ivi_controller_layer *ivi_controller_layer,
 289                   struct wl_output *screen) {
 290    static_cast<struct layer *>(data)->parent->layer_screen(
 291       static_cast<struct layer *>(data)->id, screen);
 292 }
 293
 294 void layer_destroyed(void *data,
 295                      struct ivi_controller_layer *ivi_controller_layer) {
 296    static_cast<struct layer *>(data)->parent->layer_destroyed(
 297       static_cast<struct layer *>(data)->id);
 298 }
 299
 300 constexpr struct ivi_controller_layer_listener layer_listener = {
 301    layer_visibility,       layer_opacity,
 302    layer_source_rectangle, layer_destination_rectangle,
 303    layer_configuration,    layer_orientation,
 304    layer_screen,           layer_destroyed,
 305 };
 306 }
 307
 308 layer::layer(uint32_t i, struct controller *c) : layer(i, 0, 0, c) {}
 309
 310 layer::layer(uint32_t i, int32_t w, int32_t h, struct controller *c)
 311    : wayland_proxy(ivi_controller_layer_create(c->proxy, i, w, h))
 312    , controlled_entity(c, i)
 313    , dst_rect{}
 314    , src_rect{}
 315    , size{}
 316    , orientation{}
 317    , visibility{}
 318    , opacity{} {
 319    ivi_controller_layer_add_listener(this->proxy, &layer_listener, this);
 320 }
 321
 322 layer::~layer() {
 323    logdebug("%s layer %i @ %p", __func__, this->id, this->proxy);
 324    ivi_controller_layer_destroy(this->proxy, 1);
 325    this->proxy = nullptr;
 326 }
 327
 328 void controller::layer_visibility(uint32_t id, int32_t visibility) {
 329    logdebug("genivi::layer %s @ %p v %i", __func__, this->proxy, visibility);
 330    this->layers[id]->visibility = visibility;
 331 }
 332
 333 void controller::layer_opacity(uint32_t id, float opacity) {
 334    logdebug("genivi::layer %s @ %p o %f", __func__, this->proxy, opacity);
 335    this->layers[id]->opacity = opacity;
 336 }
 337
 338 void controller::layer_source_rectangle(uint32_t id, int32_t x, int32_t y,
 339                                         int32_t width, int32_t height) {
 340    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
 341             x, y, width, height);
 342    this->layers[id]->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 343 }
 344
 345 void controller::layer_destination_rectangle(uint32_t id, int32_t x, int32_t y,
 346                                              int32_t width, int32_t height) {
 347    logdebug("genivi::layer %s @ %p x %i y %i w %i h %i", __func__, this->proxy,
 348             x, y, width, height);
 349    this->layers[id]->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 350 }
 351
 352 void controller::layer_configuration(uint32_t id, int32_t width,
 353                                      int32_t height) {
 354    logdebug("genivi::layer %s @ %p w %i h %i", __func__, this->proxy, width,
 355             height);
 356    this->layers[id]->size = size{uint32_t(width), uint32_t(height)};
 357 }
 358
 359 void controller::layer_orientation(uint32_t id, int32_t orientation) {
 360    logdebug("genivi::layer %s @ %p o %i", __func__, this->proxy, orientation);
 361    this->layers[id]->orientation = orientation;
 362 }
 363
 364 void controller::layer_screen(uint32_t id, struct wl_output *screen) {
 365    logdebug("genivi::layer %s @ %p s %p", __func__, this->proxy, screen);
 366 }
 367
 368 void controller::layer_destroyed(uint32_t id) {
 369    logdebug("genivi::layer %s @ %p", __func__, this->proxy);
 370 }
 371
 372 //                  __
 373 //  ___ _   _ _ __ / _| __ _  ___ ___
 374 // / __| | | | '__| |_ / _` |/ __/ _ \
 375 // \__ \ |_| | |  |  _| (_| | (_|  __/
 376 // |___/\__,_|_|  |_|  \__,_|\___\___|
 377 //
 378 namespace {
 379
 380 void surface_visibility(void *data,
 381                         struct ivi_controller_surface *ivi_controller_surface,
 382                         int32_t visibility) {
 383    static_cast<struct surface *>(data)->parent->surface_visibility(
 384       static_cast<struct surface *>(data)->id, visibility);
 385 }
 386
 387 void surface_opacity(void *data,
 388                      struct ivi_controller_surface *ivi_controller_surface,
 389                      wl_fixed_t opacity) {
 390    static_cast<struct surface *>(data)->parent->surface_opacity(
 391       static_cast<struct surface *>(data)->id, wl_fixed_to_double(opacity));
 392 }
 393
 394 void surface_source_rectangle(
 395    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
 396    int32_t y, int32_t width, int32_t height) {
 397    static_cast<struct surface *>(data)->parent->surface_source_rectangle(
 398       static_cast<struct surface *>(data)->id, x, y, width, height);
 399 }
 400
 401 void surface_destination_rectangle(
 402    void *data, struct ivi_controller_surface *ivi_controller_surface, int32_t x,
 403    int32_t y, int32_t width, int32_t height) {
 404    static_cast<struct surface *>(data)->parent->surface_destination_rectangle(
 405       static_cast<struct surface *>(data)->id, x, y, width, height);
 406 }
 407
 408 void surface_configuration(
 409    void *data, struct ivi_controller_surface *ivi_controller_surface,
 410    int32_t width, int32_t height) {
 411    static_cast<struct surface *>(data)->parent->surface_configuration(
 412       static_cast<struct surface *>(data)->id, width, height);
 413 }
 414
 415 void surface_orientation(void *data,
 416                          struct ivi_controller_surface *ivi_controller_surface,
 417                          int32_t orientation) {
 418    static_cast<struct surface *>(data)->parent->surface_orientation(
 419       static_cast<struct surface *>(data)->id, orientation);
 420 }
 421
 422 void surface_pixelformat(void *data,
 423                          struct ivi_controller_surface *ivi_controller_surface,
 424                          int32_t pixelformat) {
 425    static_cast<struct surface *>(data)->parent->surface_pixelformat(
 426       static_cast<struct surface *>(data)->id, pixelformat);
 427 }
 428
 429 void surface_layer(void *data,
 430                    struct ivi_controller_surface *ivi_controller_surface,
 431                    struct ivi_controller_layer *layer) {
 432    static_cast<struct surface *>(data)->parent->surface_layer(
 433       static_cast<struct surface *>(data)->id, layer);
 434 }
 435
 436 void surface_stats(void *data,
 437                    struct ivi_controller_surface *ivi_controller_surface,
 438                    uint32_t redraw_count, uint32_t frame_count,
 439                    uint32_t update_count, uint32_t pid,
 440                    const char *process_name) {
 441    static_cast<struct surface *>(data)->parent->surface_stats(
 442       static_cast<struct surface *>(data)->id, redraw_count, frame_count,
 443       update_count, pid, process_name);
 444 }
 445
 446 void surface_destroyed(void *data,
 447                        struct ivi_controller_surface *ivi_controller_surface) {
 448    static_cast<struct surface *>(data)->parent->surface_destroyed(
 449       static_cast<struct surface *>(data)->id);
 450 }
 451
 452 void surface_content(void *data,
 453                      struct ivi_controller_surface *ivi_controller_surface,
 454                      int32_t content_state) {
 455    static_cast<struct surface *>(data)->parent->surface_content(
 456       static_cast<struct surface *>(data)->id, content_state);
 457 }
 458
 459 constexpr struct ivi_controller_surface_listener surface_listener = {
 460    surface_visibility,
 461    surface_opacity,
 462    surface_source_rectangle,
 463    surface_destination_rectangle,
 464    surface_configuration,
 465    surface_orientation,
 466    surface_pixelformat,
 467    surface_layer,
 468    surface_stats,
 469    surface_destroyed,
 470    surface_content,
 471 };
 472 }
 473
 474 surface::surface(uint32_t i, struct controller *c)
 475    : wayland_proxy(ivi_controller_surface_create(c->proxy, i)),
 476      controlled_entity(c, i),
 477      dst_rect{},
 478      src_rect{},
 479      size{},
 480      orientation{},
 481      visibility{},
 482      opacity{1.f} {
 483    ivi_controller_surface_add_listener(this->proxy, &surface_listener, this);
 484 }
 485
 486 surface::~surface() {
 487    logdebug("%s surface %i @ %p", __func__, this->id, this->proxy);
 488    ivi_controller_surface_destroy(this->proxy, 1);
 489    this->proxy = nullptr;
 490 }
 491
 492 void controller::surface_visibility(uint32_t id, int32_t visibility) {
 493    logdebug("genivi::surface %s @ %p v %i", __func__, this->proxy, visibility);
 494    this->surfaces[id]->visibility = visibility;
 495 }
 496
 497 void controller::surface_opacity(uint32_t id, float opacity) {
 498    logdebug("genivi::surface %s @ %p o %f", __func__, this->proxy, opacity);
 499    this->surfaces[id]->opacity = opacity;
 500 }
 501
 502 void controller::surface_source_rectangle(uint32_t id, int32_t x, int32_t y,
 503                                           int32_t width, int32_t height) {
 504    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
 505             this->proxy, x, y, width, height);
 506    this->surfaces[id]->src_rect = rect{uint32_t(width), uint32_t(height), x, y};
 507 }
 508
 509 void controller::surface_destination_rectangle(uint32_t id, int32_t x,
 510                                                int32_t y, int32_t width,
 511                                                int32_t height) {
 512    logdebug("genivi::surface %s @ %p x %i y %i w %i h %i", __func__,
 513             this->proxy, x, y, width, height);
 514    this->surfaces[id]->dst_rect = rect{uint32_t(width), uint32_t(height), x, y};
 515 }
 516
 517 void controller::surface_configuration(uint32_t id, int32_t width,
 518                                        int32_t height) {
 519    logdebug("genivi::surface %s @ %p w %i h %i", __func__, this->proxy, width,
 520             height);
 521    auto &s = this->surfaces[id];
 522
 523    bool center = int(s->size.w) != int(width) && int(s->size.h) != int(height);
 524    s->size = size{uint32_t(width), uint32_t(height)};
 525
 526    if (center)
 527       add_task("fullscreen surface", [id](struct controller *c) {
 528          c->surfaces[id]->set_destination_rectangle(0, 0, c->output_size.w,
 529                                                     c->output_size.h);
 530          c->surfaces[id]->set_visibility(1);
 531          uint32_t lid = id == 0x16180 ? 1000 : 100;
 532          c->layers[lid]->add_surface(c->surfaces[id].get());
 533          c->layers[lid]->set_visibility(1);
 534          logdebug("Surface %u now fullscreen on layer %u", id, lid);
 535       });
 536 }
 537
 538 void controller::surface_orientation(uint32_t id, int32_t orientation) {
 539    logdebug("genivi::surface %s @ %p o %i", __func__, this->proxy, orientation);
 540    this->surfaces[id]->orientation = orientation;
 541 }
 542
 543 void controller::surface_pixelformat(uint32_t id, int32_t pixelformat) {
 544    logdebug("genivi::surface %s @ %p f %i", __func__, this->proxy, pixelformat);
 545 }
 546
 547 void controller::surface_layer(uint32_t id,
 548                                struct ivi_controller_layer *layer) {
 549    logdebug("genivi::surface %s @ %p l @ %p", __func__, this->proxy, layer);
 550 }
 551
 552 void controller::surface_stats(uint32_t id, uint32_t redraw_count,
 553                                uint32_t frame_count, uint32_t update_count,
 554                                uint32_t pid, const char *process_name) {
 555    logdebug("genivi::surface %s @ %p r %u f %u u %u pid %u p %s", __func__,
 556             this->proxy, redraw_count, frame_count, update_count, pid,
 557             process_name);
 558 }
 559
 560 void controller::surface_destroyed(uint32_t id) {
 561    logdebug("genivi::surface %s @ %p", __func__, this->proxy);
 562    this->surfaces.erase(id);
 563 }
 564
 565 void controller::surface_content(uint32_t id, int32_t content_state) {
 566    logdebug("genivi::surface %s @ %p s %i", __func__, this->proxy,
 567             content_state);
 568    if (content_state == IVI_CONTROLLER_SURFACE_CONTENT_STATE_CONTENT_REMOVED) {
 569       add_task("remove surface",
 570                [id](struct controller *c) { c->surfaces.erase(id); });
 571    }
 572 }
 573
 574 //
 575 //  ___  ___ _ __ ___  ___ _ __
 576 // / __|/ __| '__/ _ \/ _ \ '_ \
 577 // \__ \ (__| | |  __/  __/ | | |
 578 // |___/\___|_|  \___|\___|_| |_|
 579 //
 580 screen::screen(uint32_t i, struct controller *c,
 581                struct ivi_controller_screen *p)
 582    : wayland_proxy(p), controlled_entity(c, i) {
 583    logdebug("genivi::screen @ %p id %u", p, i);
 584 }
 585 }