src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37
  38 #include "wm-client.hpp"
  39 #include "applist.hpp"
  40
  41 extern "C"
  42 {
  43 #include <systemd/sd-event.h>
  44 }
  45
  46 namespace wm
  47 {
  48
  49 const unsigned TIME_OUT = 10000000UL; /* 10s */
  50
  51 /* DrawingArea name used by "{layout}.{area}" */
  52 const char kNameLayoutNormal[] = "normal";
  53 const char kNameLayoutSplit[] = "split";
  54 const char kNameAreaFull[] = "full";
  55 const char kNameAreaMain[] = "main";
  56 const char kNameAreaSub[] = "sub";
  57
  58 /* Key for json obejct */
  59 const char kKeyDrawingName[] = "drawing_name";
  60 const char kKeyDrawingArea[] = "drawing_area";
  61 const char kKeyDrawingRect[] = "drawing_rect";
  62 const char kKeyX[] = "x";
  63 const char kKeyY[] = "y";
  64 const char kKeyWidth[] = "width";
  65 const char kKeyHeight[] = "height";
  66 const char kKeyWidthPixel[] = "width_pixel";
  67 const char kKeyHeightPixel[] = "height_pixel";
  68 const char kKeyWidthMm[] = "width_mm";
  69 const char kKeyHeightMm[] = "height_mm";
  70
  71 static const std::string task_allocate = "allocate";
  72 static const std::string task_release = "release";
  73 static sd_event_source *timer_ev_src = nullptr;
  74
  75 static AppList app_list;
  76
  77 namespace
  78 {
  79
  80 using nlohmann::json;
  81
  82 result<json> file_to_json(char const *filename)
  83 {
  84     json j;
  85     std::ifstream i(filename);
  86     if (i.fail())
  87     {
  88         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  89         j = default_layers_json;
  90     }
  91     else
  92     {
  93         i >> j;
  94     }
  95
  96     return Ok(j);
  97 }
  98
  99 struct result<layer_map> load_layer_map(char const *filename)
 100 {
 101     HMI_DEBUG("wm", "loading IDs from %s", filename);
 102
 103     auto j = file_to_json(filename);
 104     if (j.is_err())
 105     {
 106         return Err<layer_map>(j.unwrap_err());
 107     }
 108     json jids = j.unwrap();
 109
 110     return to_layer_map(jids);
 111 }
 112
 113 static int
 114 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 115 {
 116     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
 117     reinterpret_cast<wm::App *>(userdata)->timerHandler();
 118     return 0;
 119 }
 120
 121 } // namespace
 122
 123 void App::timerHandler()
 124 {
 125     unsigned seq = app_list.currentSequenceNumber();
 126     HMI_SEQ_DEBUG(seq, "Timer expired remove Request");
 127     app_list.req_dump();
 128     app_list.removeRequest(seq);
 129     app_list.next();
 130     app_list.req_dump();
 131     if (app_list.haveRequest())
 132     {
 133         this->process_request();
 134     }
 135 }
 136
 137 void App::removeClient(const std::string &appid){
 138     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 139     app_list.removeClient(appid);
 140 }
 141
 142 /**
 143  * App Impl
 144  */
 145 App::App(wl::display *d)
 146     : chooks{this},
 147       display{d},
 148       controller{},
 149       outputs(),
 150       config(),
 151       layers(),
 152       id_alloc{},
 153       pending_events(false),
 154       policy{}
 155 {
 156     try
 157     {
 158         {
 159             auto l = load_layer_map(
 160                 this->config.get_string("layers.json").value().c_str());
 161             if (l.is_ok())
 162             {
 163                 this->layers = l.unwrap();
 164             }
 165             else
 166             {
 167                 HMI_ERROR("wm", "%s", l.err().value());
 168             }
 169         }
 170     }
 171     catch (std::exception &e)
 172     {
 173         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 174     }
 175 }
 176
 177 int App::init()
 178 {
 179     if (!this->display->ok())
 180     {
 181         return -1;
 182     }
 183
 184     if (this->layers.mapping.empty())
 185     {
 186         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 187         return -1;
 188     }
 189
 190     // Make afb event
 191     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 192     {
 193         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 194     }
 195
 196     this->display->add_global_handler(
 197         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 198             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 199         });
 200
 201     this->display->add_global_handler(
 202         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 203             this->controller =
 204                 std::make_unique<struct compositor::controller>(r, name, v);
 205
 206             // Init controller hooks
 207             this->controller->chooks = &this->chooks;
 208
 209             // This protocol needs the output, so lets just add our mapping here...
 210             this->controller->add_proxy_to_id_mapping(
 211                 this->outputs.back()->proxy.get(),
 212                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 213                     this->outputs.back()->proxy.get())));
 214
 215             // Create screen
 216             this->controller->create_screen(this->outputs.back()->proxy.get());
 217
 218             // Set display to controller
 219             this->controller->display = this->display;
 220         });
 221
 222     // First level objects
 223     this->display->roundtrip();
 224     // Second level objects
 225     this->display->roundtrip();
 226     // Third level objects
 227     this->display->roundtrip();
 228
 229     return init_layers();
 230 }
 231
 232 int App::dispatch_pending_events()
 233 {
 234     if (this->pop_pending_events())
 235     {
 236         this->display->dispatch_pending();
 237         return 0;
 238     }
 239     return -1;
 240 }
 241
 242 bool App::pop_pending_events()
 243 {
 244     bool x{true};
 245     return this->pending_events.compare_exchange_strong(
 246         x, false, std::memory_order_consume);
 247 }
 248
 249 void App::set_pending_events()
 250 {
 251     this->pending_events.store(true, std::memory_order_release);
 252 }
 253
 254 optional<int> App::lookup_id(char const *name)
 255 {
 256     return this->id_alloc.lookup(std::string(name));
 257 }
 258 optional<std::string> App::lookup_name(int id)
 259 {
 260     return this->id_alloc.lookup(id);
 261 }
 262
 263 /**
 264  * init_layers()
 265  */
 266 int App::init_layers()
 267 {
 268     if (!this->controller)
 269     {
 270         HMI_ERROR("wm", "ivi_controller global not available");
 271         return -1;
 272     }
 273
 274     if (this->outputs.empty())
 275     {
 276         HMI_ERROR("wm", "no output was set up!");
 277         return -1;
 278     }
 279
 280     auto &c = this->controller;
 281
 282     auto &o = this->outputs.front();
 283     auto &s = c->screens.begin()->second;
 284     auto &layers = c->layers;
 285
 286     // Write output dimensions to ivi controller...
 287     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 288     c->physical_size = compositor::size{uint32_t(o->physical_width),
 289                                         uint32_t(o->physical_height)};
 290
 291     // Clear scene
 292     layers.clear();
 293
 294     // Clear screen
 295     s->clear();
 296
 297     // Quick and dirty setup of layers
 298     for (auto const &i : this->layers.mapping)
 299     {
 300         c->layer_create(i.second.layer_id, o->width, o->height);
 301         auto &l = layers[i.second.layer_id];
 302         l->set_destination_rectangle(0, 0, o->width, o->height);
 303         l->set_visibility(1);
 304         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 305                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 306     }
 307
 308     // Add layers to screen
 309     s->set_render_order(this->layers.layers);
 310
 311     this->layout_commit();
 312
 313     return 0;
 314 }
 315
 316 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 317 {
 318     if (!this->controller->surface_exists(surface_id))
 319     {
 320         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 321         return;
 322     }
 323
 324     auto o_layer_id = this->layers.get_layer_id(surface_id);
 325
 326     if (!o_layer_id)
 327     {
 328         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 329         return;
 330     }
 331
 332     uint32_t layer_id = *o_layer_id;
 333
 334     auto const &layer = this->layers.get_layer(layer_id);
 335     auto rect = layer.value().rect;
 336     auto &s = this->controller->surfaces[surface_id];
 337
 338     int x = rect.x;
 339     int y = rect.y;
 340     int w = rect.w;
 341     int h = rect.h;
 342
 343     // less-than-0 values refer to MAX + 1 - $VALUE
 344     // e.g. MAX is either screen width or height
 345     if (w < 0)
 346     {
 347         w = this->controller->output_size.w + 1 + w;
 348     }
 349     if (h < 0)
 350     {
 351         h = this->controller->output_size.h + 1 + h;
 352     }
 353
 354     if (sub_surface_id)
 355     {
 356         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
 357         {
 358             HMI_ERROR("wm",
 359                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
 360                       surface_id, *sub_surface_id);
 361             return;
 362         }
 363
 364         int x_off = 0;
 365         int y_off = 0;
 366
 367         // split along major axis
 368         if (w > h)
 369         {
 370             w /= 2;
 371             x_off = w;
 372         }
 373         else
 374         {
 375             h /= 2;
 376             y_off = h;
 377         }
 378
 379         auto &ss = this->controller->surfaces[*sub_surface_id];
 380
 381         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
 382                   *sub_surface_id, layer_id);
 383
 384         // set destination to the display rectangle
 385         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 386
 387         this->area_info[*sub_surface_id].x = x;
 388         this->area_info[*sub_surface_id].y = y;
 389         this->area_info[*sub_surface_id].w = w;
 390         this->area_info[*sub_surface_id].h = h;
 391     }
 392
 393     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 394               layer_id);
 395
 396     // set destination to the display rectangle
 397     s->set_destination_rectangle(x, y, w, h);
 398
 399     // update area information
 400     this->area_info[surface_id].x = x;
 401     this->area_info[surface_id].y = y;
 402     this->area_info[surface_id].w = w;
 403     this->area_info[surface_id].h = h;
 404
 405     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 406               surface_id, layer_id, x, y, w, h);
 407 }
 408
 409 void App::layout_commit()
 410 {
 411     this->controller->commit_changes();
 412     this->display->flush();
 413 }
 414
 415 void App::set_timer(){
 416     HMI_SEQ_DEBUG(app_list.currentSequenceNumber(), "Timer set activate");
 417     if (timer_ev_src == nullptr)
 418     {
 419         // firsttime set into sd_event
 420         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &timer_ev_src,
 421                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + TIME_OUT, 1, processTimerHandler, this);
 422         if (ret < 0)
 423         {
 424             HMI_ERROR("wm", "Could't set timer");
 425         }
 426     }
 427     else
 428     {
 429         // update timer limitation after second time
 430         sd_event_source_set_time(timer_ev_src, time(NULL) * (1000000UL) + TIME_OUT);
 431         sd_event_source_set_enabled(timer_ev_src, SD_EVENT_ONESHOT);
 432     }
 433 }
 434
 435 void App::stop_timer(){
 436     unsigned seq = app_list.currentSequenceNumber();
 437     HMI_SEQ_DEBUG(seq, "Timer stop");
 438     int rc = sd_event_source_set_enabled(timer_ev_src, SD_EVENT_OFF);
 439     if(rc < 0){
 440         HMI_SEQ_ERROR(seq, "Timer stop failed");
 441     }
 442 }
 443
 444 bool App::lm_release(const struct WMAction &action)
 445 {
 446     //auto const &surface_id = this->lookup_id(drawing_name);
 447     unsigned req_num = app_list.currentSequenceNumber();
 448     auto const &surface_id = this->lookup_id(action.role.c_str());
 449     if (!surface_id)
 450     {
 451         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 452         return false;
 453     }
 454
 455     if (*surface_id == this->layers.main_surface)
 456     {
 457         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 458         return false;
 459     }
 460
 461     auto o_state = *this->layers.get_layout_state(*surface_id);
 462
 463     if (o_state == nullptr)
 464     {
 465         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 466         return false;
 467     }
 468
 469     struct LayoutState &state = *o_state;
 470
 471     if (state.main == -1)
 472     {
 473         HMI_SEQ_ERROR(req_num, "No surface active");
 474         return false;
 475     }
 476
 477     // Check against main_surface, main_surface_name is the configuration item.
 478     if (*surface_id == this->layers.main_surface)
 479     {
 480         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 481         //reply(nullptr);
 482         return true;
 483     }
 484     if ((state.main == *surface_id) && (state.sub == *surface_id))
 485     {
 486         HMI_SEQ_ERROR(req_num, "Surface is not active");
 487         return false;
 488     }
 489
 490     if (state.main == *surface_id)
 491     {
 492         if (state.sub != -1)
 493         {
 494             this->try_layout(
 495                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 496                     std::string sub = std::move(*this->lookup_name(state.sub));
 497
 498                     this->deactivate(*surface_id);
 499                     this->surface_set_layout(state.sub);
 500                     state = nl;
 501
 502                     this->layout_commit();
 503                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 504                     compositor::rect area_rect = this->area_info[state.sub];
 505                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 506                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 507                     this->enqueue_flushdraw(state.sub);
 508                 });
 509         }
 510         else
 511         {
 512             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 513                 this->deactivate(*surface_id);
 514                 state = nl;
 515                 this->layout_commit();
 516             });
 517         }
 518     }
 519     else if (state.sub == *surface_id)
 520     {
 521         this->try_layout(
 522             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 523                 std::string main = std::move(*this->lookup_name(state.main));
 524
 525                 this->deactivate(*surface_id);
 526                 this->surface_set_layout(state.main);
 527                 state = nl;
 528
 529                 this->layout_commit();
 530                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 531                 compositor::rect area_rect = this->area_info[state.main];
 532                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 533                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 534                 this->enqueue_flushdraw(state.main);
 535             });
 536     }
 537     return true;
 538 }
 539
 540 bool App::lm_layout_change(const struct WMAction &action)
 541 {
 542     const char *msg = this->check_surface_exist(action.role.c_str());
 543
 544     /*
 545     lm_.updateLayout(action);
 546     TODO: emit syncDraw with application*/
 547     if (msg)
 548     {
 549         HMI_SEQ_DEBUG(app_list.currentSequenceNumber(), msg);
 550         //app_list.removeRequest(req_num);
 551         return false;
 552     }
 553     this->lm_layout_change(action.role.c_str());
 554     return true;
 555 }
 556
 557 bool App::do_transition(unsigned req_num)
 558 {
 559     /*
 560     * Check Policy
 561     */
 562     // get current trigger
 563     auto trigger = app_list.getRequest(req_num);
 564     bool is_activate = true;
 565
 566     /*  get new status from Policy Manager
 567
 568     (json_object*?) newLayout = checkPolicy(trigger);
 569     (vector<struct WMAction>&) auto actions = translator.inputActionFromLayout(newLayout, currentLayout)
 570     for(const auto& x : actions){
 571         app_list.setAciton(req_num, x)
 572     }
 573
 574     or
 575
 576     translator.inputActionFromLayout(newLayout, currentLayout, &app_list, req_num);
 577
 578     /* The following error check is not necessary because main.cpp will reject the message form not registered object
 579    } */
 580     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 581
 582     if (TASK_RELEASE == trigger.task)
 583     {
 584         is_activate = false;
 585     }
 586     bool ret = app_list.setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
 587     app_list.req_dump();
 588
 589     if(!ret){
 590         HMI_SEQ_ERROR(req_num, "Failed to set action");
 591         return ret;
 592     }
 593
 594     // layer manager task
 595     bool sync_draw_happen = false;
 596     for (const auto &y : app_list.getActions(req_num))
 597     {
 598         /*
 599         do_task(y);
 600         */
 601        /*  TODO
 602            but current we can't do do_task,
 603            so divide the processing into lm_layout_change and lm_release
 604         */
 605         if (y.visible)
 606         {
 607             sync_draw_happen = true;
 608             ret = lm_layout_change(y);
 609             if(!ret){
 610                 HMI_SEQ_ERROR(req_num, "Failed layout change: %s", y.appid.c_str());
 611                 app_list.removeRequest(req_num);
 612                 break;
 613                 // TODO: if transition fails, what should we do?
 614             }
 615             /* app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 616         }
 617         else{
 618             ret = lm_release(y);
 619             if (!ret)
 620             {
 621                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
 622                 app_list.removeRequest(req_num);
 623                 break;
 624                 // TODO: if transition fails, what should we do?
 625             }
 626             /* app_list.lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
 627         }
 628     }
 629
 630     if(!ret){
 631         //this->emit_error(request_seq, 0 /*error_num*/, "error happens"); // test
 632     }
 633     else if (ret && sync_draw_happen){
 634         this->set_timer();
 635     }
 636     else{
 637         app_list.removeRequest(req_num); // HACK!!!
 638     }
 639     return ret;
 640 }
 641
 642 void App::lm_layout_change(const char* drawing_name)
 643 {
 644     auto const &surface_id = this->lookup_id(drawing_name);
 645     auto layer_id = this->layers.get_layer_id(*surface_id);
 646     auto o_state = *this->layers.get_layout_state(*surface_id);
 647     struct LayoutState &state = *o_state;
 648
 649     // disable layers that are above our current layer
 650     for (auto const &l : this->layers.mapping)
 651     {
 652         if (l.second.layer_id <= *layer_id)
 653         {
 654             continue;
 655         }
 656
 657         bool flush = false;
 658         if (l.second.state.main != -1)
 659         {
 660             this->deactivate(l.second.state.main);
 661             l.second.state.main = -1;
 662             flush = true;
 663         }
 664
 665         if (l.second.state.sub != -1)
 666         {
 667             this->deactivate(l.second.state.sub);
 668             l.second.state.sub = -1;
 669             flush = true;
 670         }
 671
 672         if (flush)
 673         {
 674             this->layout_commit();
 675         }
 676     }
 677
 678     auto layer = this->layers.get_layer(*layer_id);
 679
 680     if (state.main == -1)
 681     {
 682         this->try_layout(
 683             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 684                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 685                 this->surface_set_layout(*surface_id);
 686                 state = nl;
 687
 688                 // Commit for configuraton
 689                 this->layout_commit();
 690
 691                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 692                 compositor::rect area_rect = this->area_info[*surface_id];
 693                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 694                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 695                 this->enqueue_flushdraw(state.main);
 696             });
 697     }
 698     else
 699     {
 700         if (0 == strcmp(drawing_name, "HomeScreen"))
 701         {
 702             this->try_layout(
 703                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 704                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 705                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 706                     compositor::rect area_rect = this->area_info[*surface_id];
 707                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 708                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 709                     this->enqueue_flushdraw(state.main);
 710                 });
 711         }
 712         else
 713         {
 714             bool can_split = this->can_split(state, *surface_id);
 715
 716             if (can_split)
 717             {
 718                 this->try_layout(
 719                     state,
 720                     LayoutState{state.main, *surface_id},
 721                     [&](LayoutState const &nl) {
 722                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 723                         std::string main =
 724                             std::move(*this->lookup_name(state.main));
 725
 726                         this->surface_set_layout(state.main, surface_id);
 727                         if (state.sub != *surface_id)
 728                         {
 729                             if (state.sub != -1)
 730                             {
 731                                 this->deactivate(state.sub);
 732                             }
 733                         }
 734                         state = nl;
 735
 736                         // Commit for configuration and visibility(0)
 737                         this->layout_commit();
 738
 739                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 740                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 741                         compositor::rect area_rect_main = this->area_info[state.main];
 742                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 743                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 744                                             area_rect_main.x, area_rect_main.y,
 745                                             area_rect_main.w, area_rect_main.h);
 746                         this->emit_syncdraw(drawing_name, str_area_sub.c_str(),
 747                                             area_rect_sub.x, area_rect_sub.y,
 748                                             area_rect_sub.w, area_rect_sub.h);
 749                         this->enqueue_flushdraw(state.main);
 750                         this->enqueue_flushdraw(state.sub);
 751                     });
 752             }
 753             else
 754             {
 755                 this->try_layout(
 756                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 757                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 758
 759                         this->surface_set_layout(*surface_id);
 760                         if (state.main != *surface_id)
 761                         {
 762                             this->deactivate(state.main);
 763                         }
 764                         if (state.sub != -1)
 765                         {
 766                             if (state.sub != *surface_id)
 767                             {
 768                                 this->deactivate(state.sub);
 769                             }
 770                         }
 771                         state = nl;
 772
 773                         // Commit for configuraton and visibility(0)
 774                         this->layout_commit();
 775
 776                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 777                         compositor::rect area_rect = this->area_info[*surface_id];
 778                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 779                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 780                         this->enqueue_flushdraw(state.main);
 781                     });
 782             }
 783         }
 784     }
 785 }
 786
 787 const char* App::check_surface_exist(const char* drawing_name)
 788 {
 789     auto const &surface_id = this->lookup_id(drawing_name);
 790     if (!surface_id)
 791     {
 792         //reply("Surface does not exist");
 793         return "Surface does not exist";
 794     }
 795
 796     if (!this->controller->surface_exists(*surface_id))
 797     {
 798         //reply("Surface does not exist in controller!");
 799         return "Surface does not exist in controller!";
 800     }
 801
 802     auto layer_id = this->layers.get_layer_id(*surface_id);
 803
 804     if (!layer_id)
 805     {
 806         //reply("Surface is not on any layer!");
 807         return "Surface is not on any layer!";
 808     }
 809
 810     auto o_state = *this->layers.get_layout_state(*surface_id);
 811
 812     if (o_state == nullptr)
 813     {
 814         //reply("Could not find layer for surface");
 815         return "Could not find layer for surface";
 816     }
 817
 818     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 819     return nullptr;
 820     //reply(nullptr);
 821 }
 822
 823 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 824 {
 825     ST();
 826
 827     /*
 828    * Check Phase
 829    */
 830
 831     std::string id = appid;
 832     std::string role = drawing_name;
 833     std::string area = drawing_area;
 834
 835     if(!app_list.contains(id)){
 836         reply("app doesn't request 'requestSurface' yet");
 837         return;
 838     }
 839
 840     auto client = app_list.lookUpClient(id);
 841
 842     /*
 843    * Queueing Phase
 844    */
 845     unsigned current = app_list.currentSequenceNumber();
 846     unsigned requested_num = app_list.getSequenceNumber(id);
 847     if (requested_num != 0)
 848     {
 849         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 850         reply("already requested");
 851         return;
 852     }
 853
 854     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
 855     unsigned new_req = app_list.addAllocateRequest(req);
 856     app_list.req_dump();
 857
 858     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 859
 860     reply(nullptr);
 861     if (new_req != current)
 862     {
 863         // Add request, then invoked after the previous task is finished
 864         HMI_SEQ_DEBUG(new_req, "request is accepted");
 865         return;
 866     }
 867
 868     /*
 869     * Do allocate tasks
 870     */
 871     bool ret = this->do_transition(new_req);
 872
 873     if(!ret){
 874         HMI_SEQ_ERROR(new_req, "failed to do_transition");
 875         //this->emit_error()
 876     }
 877 }
 878
 879 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 880 {
 881     ST();
 882
 883     /*
 884    * Check Phase
 885    */
 886     std::string id = appid;
 887     std::string role = drawing_name;
 888     std::string area = "";    //drawing_area;
 889
 890     if(!app_list.contains(id)){
 891         reply("app doesn't request 'requestSurface' yet");
 892         return;
 893     }
 894     auto client = app_list.lookUpClient(id);
 895
 896     /*
 897    * Queueing Phase
 898    */
 899     unsigned current = app_list.currentSequenceNumber();
 900     unsigned requested_num = app_list.getSequenceNumber(id);
 901     if (requested_num != 0)
 902     {
 903         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 904         reply("already requested");
 905         return;
 906     }
 907
 908     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 909     unsigned new_req = app_list.addAllocateRequest(req);
 910     app_list.req_dump();
 911
 912     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 913
 914     reply(nullptr);
 915     if (new_req != current)
 916     {
 917         // Add request, then invoked after the previous task is finished
 918         HMI_SEQ_DEBUG(new_req, "request is accepted");
 919         return;
 920     }
 921
 922     /*
 923     * Do allocate tasks
 924     */
 925     bool ret = this->do_transition(new_req);
 926
 927     if (!ret)
 928     {
 929         HMI_SEQ_ERROR(new_req, "failed to do_transition");
 930         //this->emit_error()
 931     }
 932 }
 933
 934 void App::enqueue_flushdraw(int surface_id)
 935 {
 936     this->check_flushdraw(surface_id);
 937     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 938     this->pending_end_draw.push_back(surface_id);
 939 }
 940
 941 void App::check_flushdraw(int surface_id)
 942 {
 943     auto i = std::find(std::begin(this->pending_end_draw),
 944                        std::end(this->pending_end_draw), surface_id);
 945     if (i != std::end(this->pending_end_draw))
 946     {
 947         auto n = this->lookup_name(surface_id);
 948         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 949                   n ? n->c_str() : "unknown-name", surface_id);
 950         std::swap(this->pending_end_draw[std::distance(
 951                       std::begin(this->pending_end_draw), i)],
 952                   this->pending_end_draw.back());
 953         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 954     }
 955 }
 956
 957 void App::lm_enddraw(const char* drawing_name){
 958     HMI_DEBUG("wm", "end draw %s", drawing_name);
 959     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
 960     {
 961         auto n = this->lookup_name(this->pending_end_draw[i]);
 962         if (n && *n == drawing_name)
 963         {
 964             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 965             this->pending_end_draw.resize(iend - 1);
 966             this->activate(this->pending_end_draw[i]);
 967             this->emit_flushdraw(drawing_name);
 968         }
 969     }
 970 }
 971
 972 void App::do_enddraw(unsigned request_seq)
 973 {
 974     // get actions
 975     auto actions = app_list.getActions(request_seq);
 976     HMI_SEQ_INFO(request_seq, "do endDraw");
 977
 978     for(const auto& act : actions){
 979         HMI_SEQ_DEBUG(request_seq, "visible %s", act.role.c_str());
 980         this->lm_enddraw(act.role.c_str());
 981     }
 982
 983     HMI_SEQ_INFO(request_seq, "emit flushDraw");
 984 /*     do
 985     {
 986         // emit flush Draw
 987         //emitFlushDrawToAll(&app_list, request_seq);
 988         // emit status change event
 989     } while (!app_list.requestFinished());*/
 990 }
 991
 992 void App::process_request()
 993 {
 994     unsigned req = app_list.currentSequenceNumber();
 995     HMI_SEQ_DEBUG(req, "Do next request");
 996     do_transition(req);
 997 }
 998
 999 void App::api_enddraw(char const *appid, char const *drawing_name)
1000 {
1001     std::string id(appid);
1002     std::string role(drawing_name);
1003     unsigned current_seq = app_list.currentSequenceNumber();
1004     bool result = app_list.setEndDrawFinished(current_seq, id, role);
1005
1006     if (!result)
1007     {
1008         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1009         return;
1010     }
1011
1012     if (app_list.endDrawFullfilled(current_seq))
1013     {
1014         // do task for endDraw
1015         //this->stop_timer();
1016         this->do_enddraw(current_seq);
1017
1018         this->stop_timer();
1019
1020         app_list.removeRequest(current_seq);
1021         HMI_SEQ_INFO(current_seq, "Finish request");
1022         app_list.next();
1023         if (app_list.haveRequest())
1024         {
1025             this->process_request();
1026         }
1027     }
1028     else
1029     {
1030         HMI_SEQ_INFO(current_seq, "Wait other App call endDraw");
1031         return;
1032     }
1033 }
1034
1035 void App::api_ping() { this->dispatch_pending_events(); }
1036
1037 void App::send_event(char const *evname, char const *label)
1038 {
1039     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1040
1041     json_object *j = json_object_new_object();
1042     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1043
1044     int ret = afb_event_push(this->map_afb_event[evname], j);
1045     if (ret != 0)
1046     {
1047         HMI_DEBUG("wm", "afb_event_push failed: %m");
1048     }
1049 }
1050
1051 void App::send_event(char const *evname, char const *label, char const *area,
1052                      int x, int y, int w, int h)
1053 {
1054     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1055               __func__, evname, label, area, x, y, w, h);
1056
1057     json_object *j_rect = json_object_new_object();
1058     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1059     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1060     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1061     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1062
1063     json_object *j = json_object_new_object();
1064     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1065     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1066     json_object_object_add(j, kKeyDrawingRect, j_rect);
1067
1068     int ret = afb_event_push(this->map_afb_event[evname], j);
1069     if (ret != 0)
1070     {
1071         HMI_DEBUG("wm", "afb_event_push failed: %m");
1072     }
1073 }
1074
1075 /**
1076  * proxied events
1077  */
1078 void App::surface_created(uint32_t surface_id)
1079 {
1080     auto layer_id = this->layers.get_layer_id(surface_id);
1081     if (!layer_id)
1082     {
1083         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1084                   surface_id);
1085         return;
1086     }
1087
1088     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1089
1090     this->controller->layers[*layer_id]->add_surface(surface_id);
1091     this->layout_commit();
1092     // activate the main_surface right away
1093     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1094       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1095
1096       this->api_activate_surface(
1097          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1098    }*/
1099 }
1100
1101 void App::surface_removed(uint32_t surface_id)
1102 {
1103     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1104
1105     app_list.removeSurface(surface_id);
1106 }
1107
1108 void App::emit_activated(char const *label)
1109 {
1110     this->send_event(kListEventName[Event_Active], label);
1111 }
1112
1113 void App::emit_deactivated(char const *label)
1114 {
1115     this->send_event(kListEventName[Event_Inactive], label);
1116 }
1117
1118 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1119 {
1120     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1121 }
1122
1123 void App::emit_flushdraw(char const *label)
1124 {
1125     this->send_event(kListEventName[Event_FlushDraw], label);
1126 }
1127
1128 void App::emit_visible(char const *label, bool is_visible)
1129 {
1130     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1131 }
1132
1133 void App::emit_invisible(char const *label)
1134 {
1135     return emit_visible(label, false);
1136 }
1137
1138 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1139
1140 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1141 {
1142     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1143     if (!lid)
1144     {
1145         /**
1146        * register drawing_name as fallback and make it displayed.
1147        */
1148         lid = this->layers.get_layer_id(std::string("Fallback"));
1149         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1150         if (!lid)
1151         {
1152             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1153         }
1154     }
1155
1156     auto rname = this->lookup_id(drawing_name);
1157     if (!rname)
1158     {
1159         // name does not exist yet, allocate surface id...
1160         auto id = int(this->id_alloc.generate_id(drawing_name));
1161         this->layers.add_surface(id, *lid);
1162
1163         // set the main_surface[_name] here and now
1164         if (!this->layers.main_surface_name.empty() &&
1165             this->layers.main_surface_name == drawing_name)
1166         {
1167             this->layers.main_surface = id;
1168             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1169         }
1170
1171         // add client into the db
1172         std::string appid_str(appid);
1173         std::string role(drawing_name);
1174         //app_list.addClient(appid_str, role);
1175         app_list.addClient(appid_str, *lid, id, role);
1176
1177         return Ok<int>(id);
1178     }
1179
1180     // Check currently registered drawing names if it is already there.
1181     return Err<int>("Surface already present");
1182 }
1183
1184 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1185                                      char const *ivi_id)
1186 {
1187     ST();
1188
1189     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1190     unsigned sid = std::stol(ivi_id);
1191
1192     if (!lid)
1193     {
1194         /**
1195        * register drawing_name as fallback and make it displayed.
1196        */
1197         lid = this->layers.get_layer_id(std::string("Fallback"));
1198         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1199         if (!lid)
1200         {
1201             return "Drawing name does not match any role, Fallback is disabled";
1202         }
1203     }
1204
1205     auto rname = this->lookup_id(drawing_name);
1206
1207     if (rname)
1208     {
1209         return "Surface already present";
1210     }
1211
1212     // register pair drawing_name and ivi_id
1213     this->id_alloc.register_name_id(drawing_name, sid);
1214     this->layers.add_surface(sid, *lid);
1215
1216     // this surface is already created
1217     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1218
1219     this->controller->layers[*lid]->add_surface(sid);
1220     this->layout_commit();
1221
1222     return nullptr;
1223 }
1224
1225 result<json_object *> App::api_get_display_info()
1226 {
1227     // Check controller
1228     if (!this->controller)
1229     {
1230         return Err<json_object *>("ivi_controller global not available");
1231     }
1232
1233     // Set display info
1234     compositor::size o_size = this->controller->output_size;
1235     compositor::size p_size = this->controller->physical_size;
1236
1237     json_object *object = json_object_new_object();
1238     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1239     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1240     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1241     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1242
1243     return Ok<json_object *>(object);
1244 }
1245
1246 result<json_object *> App::api_get_area_info(char const *drawing_name)
1247 {
1248     HMI_DEBUG("wm", "called");
1249
1250     // Check drawing name, surface/layer id
1251     auto const &surface_id = this->lookup_id(drawing_name);
1252     if (!surface_id)
1253     {
1254         return Err<json_object *>("Surface does not exist");
1255     }
1256
1257     if (!this->controller->surface_exists(*surface_id))
1258     {
1259         return Err<json_object *>("Surface does not exist in controller!");
1260     }
1261
1262     auto layer_id = this->layers.get_layer_id(*surface_id);
1263     if (!layer_id)
1264     {
1265         return Err<json_object *>("Surface is not on any layer!");
1266     }
1267
1268     auto o_state = *this->layers.get_layout_state(*surface_id);
1269     if (o_state == nullptr)
1270     {
1271         return Err<json_object *>("Could not find layer for surface");
1272     }
1273
1274     struct LayoutState &state = *o_state;
1275     if ((state.main != *surface_id) && (state.sub != *surface_id))
1276     {
1277         return Err<json_object *>("Surface is inactive");
1278     }
1279
1280     // Set area rectangle
1281     compositor::rect area_info = this->area_info[*surface_id];
1282     json_object *object = json_object_new_object();
1283     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1284     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1285     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1286     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1287
1288     return Ok<json_object *>(object);
1289 }
1290
1291 void App::activate(int id)
1292 {
1293     auto ip = this->controller->sprops.find(id);
1294     if (ip != this->controller->sprops.end())
1295     {
1296         this->controller->surfaces[id]->set_visibility(1);
1297         char const *label =
1298             this->lookup_name(id).value_or("unknown-name").c_str();
1299
1300         // FOR CES DEMO >>>
1301         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1302         {
1303             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1304             {
1305                 if (id == *i)
1306                 {
1307                     // Remove id
1308                     this->surface_bg.erase(i);
1309
1310                     // Remove from BG layer (999)
1311                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1312                     this->controller->layers[999]->remove_surface(id);
1313
1314                     // Add to FG layer (1001)
1315                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1316                     this->controller->layers[1001]->add_surface(id);
1317
1318                     for (int j : this->surface_bg)
1319                     {
1320                         HMI_DEBUG("wm", "Stored id:%d", j);
1321                     }
1322                     break;
1323                 }
1324             }
1325         }
1326         // <<< FOR CES DEMO
1327         this->layout_commit();
1328
1329         this->emit_visible(label);
1330         this->emit_activated(label);
1331     }
1332 }
1333
1334 void App::deactivate(int id)
1335 {
1336     auto ip = this->controller->sprops.find(id);
1337     if (ip != this->controller->sprops.end())
1338     {
1339         char const *label =
1340             this->lookup_name(id).value_or("unknown-name").c_str();
1341
1342         // FOR CES DEMO >>>
1343         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1344         {
1345
1346             // Store id
1347             this->surface_bg.push_back(id);
1348
1349             // Remove from FG layer (1001)
1350             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1351             this->controller->layers[1001]->remove_surface(id);
1352
1353             // Add to BG layer (999)
1354             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1355             this->controller->layers[999]->add_surface(id);
1356
1357             for (int j : surface_bg)
1358             {
1359                 HMI_DEBUG("wm", "Stored id:%d", j);
1360             }
1361         }
1362         else
1363         {
1364             this->controller->surfaces[id]->set_visibility(0);
1365         }
1366         // <<< FOR CES DEMO
1367
1368         this->emit_deactivated(label);
1369         this->emit_invisible(label);
1370     }
1371 }
1372
1373 void App::deactivate_main_surface()
1374 {
1375     this->layers.main_surface = -1;
1376     std::string appid = "HomeScreen";
1377     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1378 }
1379
1380 bool App::can_split(struct LayoutState const &state, int new_id)
1381 {
1382     if (state.main != -1 && state.main != new_id)
1383     {
1384         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1385         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1386
1387         // surfaces are on separate layers, don't bother.
1388         if (new_id_layer != current_id_layer)
1389         {
1390             return false;
1391         }
1392
1393         std::string const &new_id_str = this->lookup_name(new_id).value();
1394         std::string const &cur_id_str = this->lookup_name(state.main).value();
1395
1396         auto const &layer = this->layers.get_layer(new_id_layer);
1397
1398         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1399
1400         if (layer->layouts.empty())
1401         {
1402             return false;
1403         }
1404
1405         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1406         {
1407             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1408             auto rem = std::regex(i->main_match);
1409             if (std::regex_match(cur_id_str, rem))
1410             {
1411                 // build the second one only if the first already matched
1412                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1413                 auto res = std::regex(i->sub_match);
1414                 if (std::regex_match(new_id_str, res))
1415                 {
1416                     HMI_DEBUG("wm", "layout matched!");
1417                     return true;
1418                 }
1419             }
1420         }
1421     }
1422
1423     return false;
1424 }
1425
1426 void App::try_layout(struct LayoutState & /*state*/,
1427                      struct LayoutState const &new_layout,
1428                      std::function<void(LayoutState const &nl)> apply)
1429 {
1430     if (this->policy.layout_is_valid(new_layout))
1431     {
1432         apply(new_layout);
1433     }
1434 }
1435
1436 /**
1437  * controller_hooks
1438  */
1439 void controller_hooks::surface_created(uint32_t surface_id)
1440 {
1441     this->app->surface_created(surface_id);
1442 }
1443
1444 void controller_hooks::surface_removed(uint32_t surface_id)
1445 {
1446     this->app->surface_removed(surface_id);
1447 }
1448
1449 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1450                                           uint32_t /*v*/) {}
1451
1452 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1453                                                      uint32_t /*x*/,
1454                                                      uint32_t /*y*/,
1455                                                      uint32_t /*w*/,
1456                                                      uint32_t /*h*/) {}
1457
1458 } // namespace wm