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 "applist.hpp"
  18 #include "app.hpp"
  19 #include "json_helper.hpp"
  20 #include "layers.hpp"
  21 #include "layout.hpp"
  22 #include "util.hpp"
  23 #include "wayland_ivi_wm.hpp"
  24
  25 #include <cstdio>
  26 #include <memory>
  27
  28 #include <cassert>
  29
  30 #include <json-c/json.h>
  31
  32 #include <algorithm>
  33 #include <csignal>
  34 #include <fstream>
  35 #include <json.hpp>
  36 #include <regex>
  37 #include <thread>
  38
  39 #include "wm_client.hpp"
  40
  41
  42 extern "C"
  43 {
  44 #include <systemd/sd-event.h>
  45 }
  46
  47 namespace wm
  48 {
  49
  50 const unsigned kTimeOut = 10000000UL; /* 10s */
  51
  52 /* DrawingArea name used by "{layout}.{area}" */
  53 const char kNameLayoutNormal[] = "normal";
  54 const char kNameLayoutSplit[] = "split";
  55 const char kNameAreaFull[] = "full";
  56 const char kNameAreaMain[] = "main";
  57 const char kNameAreaSub[] = "sub";
  58
  59 /* Key for json obejct */
  60 const char kKeyDrawingName[] = "drawing_name";
  61 const char kKeyDrawingArea[] = "drawing_area";
  62 const char kKeyDrawingRect[] = "drawing_rect";
  63 const char kKeyX[] = "x";
  64 const char kKeyY[] = "y";
  65 const char kKeyWidth[] = "width";
  66 const char kKeyHeight[] = "height";
  67 const char kKeyWidthPixel[] = "width_pixel";
  68 const char kKeyHeightPixel[] = "height_pixel";
  69 const char kKeyWidthMm[] = "width_mm";
  70 const char kKeyHeightMm[] = "height_mm";
  71
  72 static sd_event_source *g_timer_ev_src = nullptr;
  73
  74 namespace
  75 {
  76
  77 using nlohmann::json;
  78
  79 result<json> file_to_json(char const *filename)
  80 {
  81     json j;
  82     std::ifstream i(filename);
  83     if (i.fail())
  84     {
  85         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  86         j = default_layers_json;
  87     }
  88     else
  89     {
  90         i >> j;
  91     }
  92
  93     return Ok(j);
  94 }
  95
  96 struct result<layer_map> load_layer_map(char const *filename)
  97 {
  98     HMI_DEBUG("wm", "loading IDs from %s", filename);
  99
 100     auto j = file_to_json(filename);
 101     if (j.is_err())
 102     {
 103         return Err<layer_map>(j.unwrap_err());
 104     }
 105     json jids = j.unwrap();
 106
 107     return to_layer_map(jids);
 108 }
 109
 110 static int
 111 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 112 {
 113     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
 114     reinterpret_cast<wm::App *>(userdata)->timerHandler();
 115     return 0;
 116 }
 117
 118 } // namespace
 119
 120 void App::timerHandler()
 121 {
 122     unsigned req_num = app_list->currentRequestNumber();
 123     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
 124     app_list->reqDump();
 125     app_list->removeRequest(req_num);
 126     app_list->next();
 127     app_list->reqDump();
 128     if (app_list->haveRequest())
 129     {
 130         this->process_request();
 131     }
 132 }
 133
 134 void App::removeClient(const std::string &appid)
 135 {
 136     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 137     app_list->removeClient(appid);
 138 }
 139
 140 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 141 {
 142     if(!app_list->contains(appid)){
 143         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 144         return false;
 145     }
 146     auto client = app_list->lookUpClient(appid);
 147     return client->subscribe(req, evname);
 148 }
 149
 150 /**
 151  * App Impl
 152  */
 153 App::App(wl::display *d)
 154     : chooks{this},
 155       display{d},
 156       controller{},
 157       outputs(),
 158       config(),
 159       layers(),
 160       id_alloc{},
 161       pending_events(false),
 162       policy{},
 163       app_list(std::make_unique<AppList>())
 164 {
 165     try
 166     {
 167         {
 168             auto l = load_layer_map(
 169                 this->config.get_string("layers.json").value().c_str());
 170             if (l.is_ok())
 171             {
 172                 this->layers = l.unwrap();
 173             }
 174             else
 175             {
 176                 HMI_ERROR("wm", "%s", l.err().value());
 177             }
 178         }
 179     }
 180     catch (std::exception &e)
 181     {
 182         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 183     }
 184 }
 185
 186 int App::init()
 187 {
 188     if (!this->display->ok())
 189     {
 190         return -1;
 191     }
 192
 193     if (this->layers.mapping.empty())
 194     {
 195         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 196         return -1;
 197     }
 198
 199     // Make afb event
 200     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 201     {
 202         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 203     }
 204
 205     this->display->add_global_handler(
 206         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 207             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 208         });
 209
 210     this->display->add_global_handler(
 211         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 212             this->controller =
 213                 std::make_unique<struct compositor::controller>(r, name, v);
 214
 215             // Init controller hooks
 216             this->controller->chooks = &this->chooks;
 217
 218             // This protocol needs the output, so lets just add our mapping here...
 219             this->controller->add_proxy_to_id_mapping(
 220                 this->outputs.back()->proxy.get(),
 221                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 222                     this->outputs.back()->proxy.get())));
 223
 224             // Create screen
 225             this->controller->create_screen(this->outputs.back()->proxy.get());
 226
 227             // Set display to controller
 228             this->controller->display = this->display;
 229         });
 230
 231     // First level objects
 232     this->display->roundtrip();
 233     // Second level objects
 234     this->display->roundtrip();
 235     // Third level objects
 236     this->display->roundtrip();
 237
 238     return init_layers();
 239 }
 240
 241 App::~App() = default;
 242
 243 int App::dispatch_pending_events()
 244 {
 245     if (this->pop_pending_events())
 246     {
 247         this->display->dispatch_pending();
 248         return 0;
 249     }
 250     return -1;
 251 }
 252
 253 bool App::pop_pending_events()
 254 {
 255     bool x{true};
 256     return this->pending_events.compare_exchange_strong(
 257         x, false, std::memory_order_consume);
 258 }
 259
 260 void App::set_pending_events()
 261 {
 262     this->pending_events.store(true, std::memory_order_release);
 263 }
 264
 265 optional<int> App::lookup_id(char const *name)
 266 {
 267     return this->id_alloc.lookup(std::string(name));
 268 }
 269 optional<std::string> App::lookup_name(int id)
 270 {
 271     return this->id_alloc.lookup(id);
 272 }
 273
 274 /**
 275  * init_layers()
 276  */
 277 int App::init_layers()
 278 {
 279     if (!this->controller)
 280     {
 281         HMI_ERROR("wm", "ivi_controller global not available");
 282         return -1;
 283     }
 284
 285     if (this->outputs.empty())
 286     {
 287         HMI_ERROR("wm", "no output was set up!");
 288         return -1;
 289     }
 290
 291     auto &c = this->controller;
 292
 293     auto &o = this->outputs.front();
 294     auto &s = c->screens.begin()->second;
 295     auto &layers = c->layers;
 296
 297     // Write output dimensions to ivi controller...
 298     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 299     c->physical_size = compositor::size{uint32_t(o->physical_width),
 300                                         uint32_t(o->physical_height)};
 301
 302     // Clear scene
 303     layers.clear();
 304
 305     // Clear screen
 306     s->clear();
 307
 308     // Quick and dirty setup of layers
 309     for (auto const &i : this->layers.mapping)
 310     {
 311         c->layer_create(i.second.layer_id, o->width, o->height);
 312         auto &l = layers[i.second.layer_id];
 313         l->set_destination_rectangle(0, 0, o->width, o->height);
 314         l->set_visibility(1);
 315         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 316                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 317     }
 318
 319     // Add layers to screen
 320     s->set_render_order(this->layers.layers);
 321
 322     this->layout_commit();
 323
 324     return 0;
 325 }
 326
 327 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 328 {
 329     if (!this->controller->surface_exists(surface_id))
 330     {
 331         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 332         return;
 333     }
 334
 335     auto o_layer_id = this->layers.get_layer_id(surface_id);
 336
 337     if (!o_layer_id)
 338     {
 339         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 340         return;
 341     }
 342
 343     uint32_t layer_id = *o_layer_id;
 344
 345     auto const &layer = this->layers.get_layer(layer_id);
 346     auto rect = layer.value().rect;
 347     auto &s = this->controller->surfaces[surface_id];
 348
 349     int x = rect.x;
 350     int y = rect.y;
 351     int w = rect.w;
 352     int h = rect.h;
 353
 354     // less-than-0 values refer to MAX + 1 - $VALUE
 355     // e.g. MAX is either screen width or height
 356     if (w < 0)
 357     {
 358         w = this->controller->output_size.w + 1 + w;
 359     }
 360     if (h < 0)
 361     {
 362         h = this->controller->output_size.h + 1 + h;
 363     }
 364
 365     if (sub_surface_id)
 366     {
 367         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
 368         {
 369             HMI_ERROR("wm",
 370                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
 371                       surface_id, *sub_surface_id);
 372             return;
 373         }
 374
 375         int x_off = 0;
 376         int y_off = 0;
 377
 378         // split along major axis
 379         if (w > h)
 380         {
 381             w /= 2;
 382             x_off = w;
 383         }
 384         else
 385         {
 386             h /= 2;
 387             y_off = h;
 388         }
 389
 390         auto &ss = this->controller->surfaces[*sub_surface_id];
 391
 392         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
 393                   *sub_surface_id, layer_id);
 394
 395         // set destination to the display rectangle
 396         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 397
 398         this->area_info[*sub_surface_id].x = x;
 399         this->area_info[*sub_surface_id].y = y;
 400         this->area_info[*sub_surface_id].w = w;
 401         this->area_info[*sub_surface_id].h = h;
 402     }
 403
 404     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 405               layer_id);
 406
 407     // set destination to the display rectangle
 408     s->set_destination_rectangle(x, y, w, h);
 409
 410     // update area information
 411     this->area_info[surface_id].x = x;
 412     this->area_info[surface_id].y = y;
 413     this->area_info[surface_id].w = w;
 414     this->area_info[surface_id].h = h;
 415
 416     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 417               surface_id, layer_id, x, y, w, h);
 418 }
 419
 420 void App::layout_commit()
 421 {
 422     this->controller->commit_changes();
 423     this->display->flush();
 424 }
 425
 426 void App::set_timer()
 427 {
 428     HMI_SEQ_DEBUG(app_list->currentRequestNumber(), "Timer set activate");
 429     if (g_timer_ev_src == nullptr)
 430     {
 431         // firsttime set into sd_event
 432         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 433                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 434         if (ret < 0)
 435         {
 436             HMI_ERROR("wm", "Could't set timer");
 437         }
 438     }
 439     else
 440     {
 441         // update timer limitation after second time
 442         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 443         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 444     }
 445 }
 446
 447 void App::stop_timer()
 448 {
 449     unsigned req_num = app_list->currentRequestNumber();
 450     HMI_SEQ_DEBUG(req_num, "Timer stop");
 451     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 452     if (rc < 0)
 453     {
 454         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 455     }
 456 }
 457
 458 WMError App::lm_release(const struct WMAction &action)
 459 {
 460     //auto const &surface_id = this->lookup_id(drawing_name);
 461     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 462     unsigned req_num = app_list->currentRequestNumber();
 463     auto const &surface_id = this->lookup_id(action.role.c_str());
 464     if (!surface_id)
 465     {
 466         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 467         return ret;
 468     }
 469
 470     if (*surface_id == this->layers.main_surface)
 471     {
 472         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 473         return ret;
 474     }
 475
 476     auto o_state = *this->layers.get_layout_state(*surface_id);
 477
 478     if (o_state == nullptr)
 479     {
 480         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 481         return ret;
 482     }
 483
 484     struct LayoutState &state = *o_state;
 485
 486     if (state.main == -1)
 487     {
 488         HMI_SEQ_ERROR(req_num, "No surface active");
 489         return ret;
 490     }
 491
 492     // Check against main_surface, main_surface_name is the configuration item.
 493     if (*surface_id == this->layers.main_surface)
 494     {
 495         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 496         //reply(nullptr);
 497         return WMError::SUCCESS;
 498     }
 499     if ((state.main == *surface_id) && (state.sub == *surface_id))
 500     {
 501         HMI_SEQ_ERROR(req_num, "Surface is not active");
 502         return ret;
 503     }
 504
 505     if (state.main == *surface_id)
 506     {
 507         if (state.sub != -1)
 508         {
 509             this->try_layout(
 510                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 511                     std::string sub = std::move(*this->lookup_name(state.sub));
 512
 513                     this->deactivate(*surface_id);
 514                     this->surface_set_layout(state.sub);
 515                     state = nl;
 516
 517                     this->layout_commit();
 518                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 519                     compositor::rect area_rect = this->area_info[state.sub];
 520                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 521                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 522                     this->enqueue_flushdraw(state.sub);
 523                 });
 524         }
 525         else
 526         {
 527             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 528                 this->deactivate(*surface_id);
 529                 state = nl;
 530                 this->layout_commit();
 531             });
 532         }
 533     }
 534     else if (state.sub == *surface_id)
 535     {
 536         this->try_layout(
 537             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 538                 std::string main = std::move(*this->lookup_name(state.main));
 539
 540                 this->deactivate(*surface_id);
 541                 this->surface_set_layout(state.main);
 542                 state = nl;
 543
 544                 this->layout_commit();
 545                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 546                 compositor::rect area_rect = this->area_info[state.main];
 547                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 548                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 549                 this->enqueue_flushdraw(state.main);
 550             });
 551     }
 552     return WMError::SUCCESS;
 553 }
 554
 555 WMError App::lm_layout_change(const struct WMAction &action)
 556 {
 557     const char *msg = this->check_surface_exist(action.role.c_str());
 558
 559     /*
 560     lm_.updateLayout(action);
 561     TODO: emit syncDraw with application*/
 562     if (msg)
 563     {
 564         HMI_SEQ_DEBUG(app_list->currentRequestNumber(), msg);
 565         return WMError::LAYOUT_CHANGE_FAIL;
 566     }
 567     this->lm_layout_change(action.role.c_str());
 568     return WMError::SUCCESS;
 569 }
 570
 571 WMError App::do_transition(unsigned req_num)
 572 {
 573     /*
 574     * Check Policy
 575     */
 576     // get current trigger
 577     auto trigger = app_list->getRequest(req_num);
 578     bool is_activate = true;
 579
 580     /*  get new status from Policy Manager
 581
 582     (json_object*?) newLayout = checkPolicy(trigger);
 583     (vector<struct WMAction>&) auto actions = translator.inputActionFromLayout(newLayout, currentLayout)
 584     for(const auto& x : actions){
 585         app_list->setAciton(req_num, x)
 586     }
 587
 588     or
 589
 590     translator.inputActionFromLayout(newLayout, currentLayout, &app_list, req_num);
 591
 592     /* The following error check is not necessary because main.cpp will reject the message form not registered object
 593    } */
 594     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 595
 596     if (trigger.task == Task::TASK_RELEASE)
 597     {
 598         is_activate = false;
 599     }
 600     WMError ret = app_list->setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
 601     app_list->reqDump();
 602
 603     if (ret != WMError::SUCCESS)
 604     {
 605         HMI_SEQ_ERROR(req_num, "Failed to set action");
 606         return ret;
 607     }
 608
 609     // layer manager task
 610     bool sync_draw_happen = false;
 611     for (const auto &y : app_list->getActions(req_num))
 612     {
 613         /*
 614         do_task(y);
 615         */
 616         /*  TODO
 617            but current we can't do do_task,
 618            so divide the processing into lm_layout_change and lm_release
 619         */
 620         if (y.visible)
 621         {
 622             sync_draw_happen = true;
 623             ret = lm_layout_change(y);
 624             if (ret != WMError::SUCCESS)
 625             {
 626                 HMI_SEQ_ERROR(req_num, "%s: appid: %s, role: %s, area: %s",
 627                     errorDescription(ret), y.appid.c_str(), y.role.c_str(), y.area.c_str());
 628                 app_list->removeRequest(req_num);
 629                 break;
 630                 // TODO: if transition fails, what should we do?
 631             }
 632             /* app_list->lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 633         }
 634         else
 635         {
 636             ret = lm_release(y);
 637             if (!ret)
 638             {
 639                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
 640                 app_list->removeRequest(req_num);
 641                 break;
 642                 // TODO: if transition fails, what should we do?
 643             }
 644             /* app_list->lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
 645         }
 646     }
 647
 648     if (ret != WMError::SUCCESS)
 649     {
 650         //this->emit_error(req_num, 0 /*error_num*/, "error happens"); // test
 651     }
 652     else if (sync_draw_happen)
 653     {
 654         this->set_timer();
 655     }
 656     else
 657     {
 658         app_list->removeRequest(req_num); // HACK!!!
 659     }
 660     return ret;
 661 }
 662
 663 void App::lm_layout_change(const char *drawing_name)
 664 {
 665     auto const &surface_id = this->lookup_id(drawing_name);
 666     auto layer_id = this->layers.get_layer_id(*surface_id);
 667     auto o_state = *this->layers.get_layout_state(*surface_id);
 668     struct LayoutState &state = *o_state;
 669
 670     // disable layers that are above our current layer
 671     for (auto const &l : this->layers.mapping)
 672     {
 673         if (l.second.layer_id <= *layer_id)
 674         {
 675             continue;
 676         }
 677
 678         bool flush = false;
 679         if (l.second.state.main != -1)
 680         {
 681             this->deactivate(l.second.state.main);
 682             l.second.state.main = -1;
 683             flush = true;
 684         }
 685
 686         if (l.second.state.sub != -1)
 687         {
 688             this->deactivate(l.second.state.sub);
 689             l.second.state.sub = -1;
 690             flush = true;
 691         }
 692
 693         if (flush)
 694         {
 695             this->layout_commit();
 696         }
 697     }
 698
 699     auto layer = this->layers.get_layer(*layer_id);
 700
 701     if (state.main == -1)
 702     {
 703         this->try_layout(
 704             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 705                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 706                 this->surface_set_layout(*surface_id);
 707                 state = nl;
 708
 709                 // Commit for configuraton
 710                 this->layout_commit();
 711
 712                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 713                 compositor::rect area_rect = this->area_info[*surface_id];
 714                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 715                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 716                 this->enqueue_flushdraw(state.main);
 717             });
 718     }
 719     else
 720     {
 721         if (0 == strcmp(drawing_name, "HomeScreen"))
 722         {
 723             this->try_layout(
 724                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 725                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 726                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 727                     compositor::rect area_rect = this->area_info[*surface_id];
 728                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 729                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 730                     this->enqueue_flushdraw(state.main);
 731                 });
 732         }
 733         else
 734         {
 735             bool can_split = this->can_split(state, *surface_id);
 736
 737             if (can_split)
 738             {
 739                 this->try_layout(
 740                     state,
 741                     LayoutState{state.main, *surface_id},
 742                     [&](LayoutState const &nl) {
 743                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 744                         std::string main =
 745                             std::move(*this->lookup_name(state.main));
 746
 747                         this->surface_set_layout(state.main, surface_id);
 748                         if (state.sub != *surface_id)
 749                         {
 750                             if (state.sub != -1)
 751                             {
 752                                 this->deactivate(state.sub);
 753                             }
 754                         }
 755                         state = nl;
 756
 757                         // Commit for configuration and visibility(0)
 758                         this->layout_commit();
 759
 760                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 761                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 762                         compositor::rect area_rect_main = this->area_info[state.main];
 763                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 764                         // >>> HACK
 765                         HMI_WARNING("wm", "HACK!!! mediaplayer and hvac is only supported for split");
 766                         std::string request_role = drawing_name;
 767                         //std::string request_app = transform(request_role.begin(), request_role.end(), request_role.begin(), tolower); //hvac or mediaplayer
 768                         std::string hack_appid = "navigation";
 769                         std::string hack_role = main;
 770                         std::string hack_area = str_area_main;
 771                         app_list->setAction(app_list->currentRequestNumber(), hack_appid, hack_role, hack_area, true);
 772                         //app_list->setEndDrawFinished(app_list->currentRequestNumber(), request_role, request_role);
 773                         //app_list->setEndDrawFinished(app_list->currentRequestNumber(), hack_appid, hack_role); // This process is illegal
 774                         // >>> HACK
 775                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 776                                             area_rect_main.x, area_rect_main.y,
 777                                             area_rect_main.w, area_rect_main.h);
 778                         this->emit_syncdraw(request_role.c_str(), str_area_sub.c_str(),
 779                                             area_rect_sub.x, area_rect_sub.y,
 780                                             area_rect_sub.w, area_rect_sub.h);
 781                         this->enqueue_flushdraw(state.main);
 782                         this->enqueue_flushdraw(state.sub);
 783                     });
 784             }
 785             else
 786             {
 787                 this->try_layout(
 788                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 789                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 790
 791                         this->surface_set_layout(*surface_id);
 792                         if (state.main != *surface_id)
 793                         {
 794                             this->deactivate(state.main);
 795                         }
 796                         if (state.sub != -1)
 797                         {
 798                             if (state.sub != *surface_id)
 799                             {
 800                                 this->deactivate(state.sub);
 801                             }
 802                         }
 803                         state = nl;
 804
 805                         // Commit for configuraton and visibility(0)
 806                         this->layout_commit();
 807
 808                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 809                         compositor::rect area_rect = this->area_info[*surface_id];
 810                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 811                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 812                         this->enqueue_flushdraw(state.main);
 813                     });
 814             }
 815         }
 816     }
 817 }
 818
 819 const char *App::check_surface_exist(const char *drawing_name)
 820 {
 821     auto const &surface_id = this->lookup_id(drawing_name);
 822     if (!surface_id)
 823     {
 824         //reply("Surface does not exist");
 825         return "Surface does not exist";
 826     }
 827
 828     if (!this->controller->surface_exists(*surface_id))
 829     {
 830         //reply("Surface does not exist in controller!");
 831         return "Surface does not exist in controller!";
 832     }
 833
 834     auto layer_id = this->layers.get_layer_id(*surface_id);
 835
 836     if (!layer_id)
 837     {
 838         //reply("Surface is not on any layer!");
 839         return "Surface is not on any layer!";
 840     }
 841
 842     auto o_state = *this->layers.get_layout_state(*surface_id);
 843
 844     if (o_state == nullptr)
 845     {
 846         //reply("Could not find layer for surface");
 847         return "Could not find layer for surface";
 848     }
 849
 850     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 851     return nullptr;
 852     //reply(nullptr);
 853 }
 854
 855 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 856 {
 857     ST();
 858
 859     /*
 860    * Check Phase
 861    */
 862
 863     std::string id = appid;
 864     std::string role = drawing_name;
 865     std::string area = drawing_area;
 866
 867     if (!app_list->contains(id))
 868     {
 869         reply("app doesn't request 'requestSurface' yet");
 870         return;
 871     }
 872
 873     auto client = app_list->lookUpClient(id);
 874
 875     unsigned srfc = client->surfaceID(role);
 876     if(srfc != INVALID_SURFACE_ID){
 877         // remove floating surface
 878         app_list->removeFloatingSurface(client->surfaceID(role));
 879     }
 880     /*
 881    * Queueing Phase
 882    */
 883     unsigned current = app_list->currentRequestNumber();
 884     unsigned requested_num = app_list->getRequestNumber(id);
 885     if (requested_num != 0)
 886     {
 887         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 888         reply("already requested");
 889         return;
 890     }
 891
 892     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
 893     unsigned new_req = app_list->addAllocateRequest(req);
 894     app_list->reqDump();
 895
 896     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 897
 898     reply(nullptr);
 899     if (new_req != current)
 900     {
 901         // Add request, then invoked after the previous task is finished
 902         HMI_SEQ_DEBUG(new_req, "request is accepted");
 903         return;
 904     }
 905
 906     /*
 907     * Do allocate tasks
 908     */
 909     WMError ret = this->do_transition(new_req);
 910
 911     if (ret != WMError::SUCCESS)
 912     {
 913         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 914         //this->emit_error()
 915     }
 916 }
 917
 918 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 919 {
 920     ST();
 921
 922     /*
 923    * Check Phase
 924    */
 925     std::string id = appid;
 926     std::string role = drawing_name;
 927     std::string area = ""; //drawing_area;
 928
 929     if (!app_list->contains(id))
 930     {
 931         reply("app doesn't request 'requestSurface' yet");
 932         return;
 933     }
 934     auto client = app_list->lookUpClient(id);
 935
 936     /*
 937    * Queueing Phase
 938    */
 939     unsigned current = app_list->currentRequestNumber();
 940     unsigned requested_num = app_list->getRequestNumber(id);
 941     if (requested_num != 0)
 942     {
 943         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 944         reply("already requested");
 945         return;
 946     }
 947
 948     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 949     unsigned new_req = app_list->addAllocateRequest(req);
 950     app_list->reqDump();
 951
 952     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 953
 954     reply(nullptr);
 955     if (new_req != current)
 956     {
 957         // Add request, then invoked after the previous task is finished
 958         HMI_SEQ_DEBUG(new_req, "request is accepted");
 959         return;
 960     }
 961
 962     /*
 963     * Do allocate tasks
 964     */
 965     WMError ret = this->do_transition(new_req);
 966
 967     if (ret != WMError::SUCCESS)
 968     {
 969         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 970         //this->emit_error()
 971     }
 972 }
 973
 974 void App::enqueue_flushdraw(int surface_id)
 975 {
 976     this->check_flushdraw(surface_id);
 977     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 978     this->pending_end_draw.push_back(surface_id);
 979 }
 980
 981 void App::check_flushdraw(int surface_id)
 982 {
 983     auto i = std::find(std::begin(this->pending_end_draw),
 984                        std::end(this->pending_end_draw), surface_id);
 985     if (i != std::end(this->pending_end_draw))
 986     {
 987         auto n = this->lookup_name(surface_id);
 988         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 989                   n ? n->c_str() : "unknown-name", surface_id);
 990         std::swap(this->pending_end_draw[std::distance(
 991                       std::begin(this->pending_end_draw), i)],
 992                   this->pending_end_draw.back());
 993         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 994     }
 995 }
 996
 997 void App::lm_enddraw(const char *drawing_name)
 998 {
 999     HMI_DEBUG("wm", "end draw %s", drawing_name);
1000     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
1001     {
1002         auto n = this->lookup_name(this->pending_end_draw[i]);
1003         if (n && *n == drawing_name)
1004         {
1005             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
1006             this->pending_end_draw.resize(iend - 1);
1007             this->activate(this->pending_end_draw[i]);
1008             this->emit_flushdraw(drawing_name);
1009         }
1010     }
1011 }
1012
1013 void App::do_enddraw(unsigned req_num)
1014 {
1015     // get actions
1016     auto actions = app_list->getActions(req_num);
1017     HMI_SEQ_INFO(req_num, "do endDraw");
1018
1019     for (const auto &act : actions)
1020     {
1021         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1022         this->lm_enddraw(act.role.c_str());
1023     }
1024
1025     HMI_SEQ_INFO(req_num, "emit flushDraw");
1026     /*     do
1027     {
1028         // emit flush Draw
1029         //emitFlushDrawToAll(&app_list, req_num);
1030         // emit status change event
1031     } while (!app_list->requestFinished());*/
1032 }
1033
1034 void App::process_request()
1035 {
1036     unsigned req = app_list->currentRequestNumber();
1037     HMI_SEQ_DEBUG(req, "Do next request");
1038     WMError rc = do_transition(req);
1039     if(rc != WMError::SUCCESS){
1040         HMI_SEQ_ERROR(req, errorDescription(rc));
1041     }
1042 }
1043
1044 void App::api_enddraw(char const *appid, char const *drawing_name)
1045 {
1046     std::string id(appid);
1047     std::string role(drawing_name);
1048     unsigned current_req = app_list->currentRequestNumber();
1049     bool result = app_list->setEndDrawFinished(current_req, id, role);
1050
1051     if (!result)
1052     {
1053         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1054         return;
1055     }
1056
1057     if (app_list->endDrawFullfilled(current_req))
1058     {
1059         // do task for endDraw
1060         //this->stop_timer();
1061         this->do_enddraw(current_req);
1062
1063         this->stop_timer();
1064
1065         app_list->removeRequest(current_req);
1066         HMI_SEQ_INFO(current_req, "Finish request");
1067         app_list->next();
1068         if (app_list->haveRequest())
1069         {
1070             this->process_request();
1071         }
1072     }
1073     else
1074     {
1075         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1076         return;
1077     }
1078 }
1079
1080 void App::api_ping() { this->dispatch_pending_events(); }
1081
1082 void App::send_event(char const *evname, char const *label)
1083 {
1084     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1085
1086     json_object *j = json_object_new_object();
1087     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1088
1089     int ret = afb_event_push(this->map_afb_event[evname], j);
1090     if (ret != 0)
1091     {
1092         HMI_DEBUG("wm", "afb_event_push failed: %m");
1093     }
1094 }
1095
1096 void App::send_event(char const *evname, char const *label, char const *area,
1097                      int x, int y, int w, int h)
1098 {
1099     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1100               __func__, evname, label, area, x, y, w, h);
1101
1102     json_object *j_rect = json_object_new_object();
1103     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1104     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1105     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1106     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1107
1108     json_object *j = json_object_new_object();
1109     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1110     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1111     json_object_object_add(j, kKeyDrawingRect, j_rect);
1112
1113     int ret = afb_event_push(this->map_afb_event[evname], j);
1114     if (ret != 0)
1115     {
1116         HMI_DEBUG("wm", "afb_event_push failed: %m");
1117     }
1118 }
1119
1120 /**
1121  * proxied events
1122  */
1123 void App::surface_created(uint32_t surface_id)
1124 {
1125     // For set role function
1126     HMI_DEBUG("wm", "Get surface pid");
1127     this->controller->get_surface_properties(surface_id);
1128
1129     auto layer_id = this->layers.get_layer_id(surface_id);
1130     if (!layer_id)
1131     {
1132         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1133                   surface_id);
1134         return;
1135     }
1136
1137     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1138
1139     this->controller->layers[*layer_id]->add_surface(surface_id);
1140     this->layout_commit();
1141     // activate the main_surface right away
1142     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1143       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1144
1145       this->api_activate_surface(
1146          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1147    }*/
1148
1149     // search pid from surfaceID
1150
1151     // pick up appid from pid from application manager
1152
1153     // check appid then add it to the client
1154 }
1155
1156 void App::surface_removed(uint32_t surface_id)
1157 {
1158     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1159
1160     app_list->removeSurface(surface_id);
1161 }
1162
1163 void App::surface_properties(unsigned surface_id, unsigned pid)
1164 {
1165     HMI_DEBUG("wm", "get surface properties");
1166     this->app_list->addFloatingSurface(surface_id, pid);
1167 }
1168
1169 void App::emit_activated(char const *label)
1170 {
1171     this->send_event(kListEventName[Event_Active], label);
1172 }
1173
1174 void App::emit_deactivated(char const *label)
1175 {
1176     this->send_event(kListEventName[Event_Inactive], label);
1177 }
1178
1179 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1180 {
1181     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1182 }
1183
1184 void App::emit_flushdraw(char const *label)
1185 {
1186     this->send_event(kListEventName[Event_FlushDraw], label);
1187 }
1188
1189 void App::emit_visible(char const *label, bool is_visible)
1190 {
1191     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1192 }
1193
1194 void App::emit_invisible(char const *label)
1195 {
1196     return emit_visible(label, false);
1197 }
1198
1199 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1200
1201 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1202 {
1203     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1204     if (!lid)
1205     {
1206         /**
1207        * register drawing_name as fallback and make it displayed.
1208        */
1209         lid = this->layers.get_layer_id(std::string("Fallback"));
1210         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1211         if (!lid)
1212         {
1213             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1214         }
1215     }
1216
1217     auto rname = this->lookup_id(drawing_name);
1218     if (!rname)
1219     {
1220         // name does not exist yet, allocate surface id...
1221         auto id = int(this->id_alloc.generate_id(drawing_name));
1222         this->layers.add_surface(id, *lid);
1223
1224         // set the main_surface[_name] here and now
1225         if (!this->layers.main_surface_name.empty() &&
1226             this->layers.main_surface_name == drawing_name)
1227         {
1228             this->layers.main_surface = id;
1229             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1230         }
1231
1232         // add client into the db
1233         std::string appid_str(appid);
1234         std::string role(drawing_name);
1235         //app_list->addClient(appid_str, role);
1236         app_list->addClient(appid_str, *lid, id, role);
1237
1238         return Ok<int>(id);
1239     }
1240
1241     // Check currently registered drawing names if it is already there.
1242     return Err<int>("Surface already present");
1243 }
1244
1245 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1246                                      char const *ivi_id)
1247 {
1248     ST();
1249
1250     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1251     unsigned sid = std::stol(ivi_id);
1252
1253     if (!lid)
1254     {
1255         /**
1256        * register drawing_name as fallback and make it displayed.
1257        */
1258         lid = this->layers.get_layer_id(std::string("Fallback"));
1259         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1260         if (!lid)
1261         {
1262             return "Drawing name does not match any role, Fallback is disabled";
1263         }
1264     }
1265
1266     auto rname = this->lookup_id(drawing_name);
1267
1268     if (rname)
1269     {
1270         return "Surface already present";
1271     }
1272
1273     // register pair drawing_name and ivi_id
1274     this->id_alloc.register_name_id(drawing_name, sid);
1275     this->layers.add_surface(sid, *lid);
1276
1277     // this surface is already created
1278     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1279
1280     this->controller->layers[*lid]->add_surface(sid);
1281     this->layout_commit();
1282
1283     return nullptr;
1284 }
1285
1286 /**
1287  * This function is substitute of requestSurface
1288  * If surface creation is faster than application request of this function,
1289  * WM will bind surfaceID with application and role.
1290  * If surface creation is slower than application request of thie function,
1291  * WM will put Client into pending list.
1292  *
1293  * Note :
1294  * Application can request with pid but this is temporary solution for now.
1295  * This will be removed.
1296  * */
1297 bool App::api_set_role(char const *appid, char const *drawing_name, unsigned pid){
1298     std::string id = appid;
1299     std::string role = drawing_name;
1300     unsigned surface = 0;
1301     WMError wm_err = WMError::UNKNOWN;
1302     bool ret = false;
1303
1304     // get layer ID which role should be in
1305     auto lid = this->layers.get_layer_id(role);
1306     if (!lid)
1307     {
1308         /**
1309        * register drawing_name as fallback and make it displayed.
1310        */
1311         lid = this->layers.get_layer_id(std::string("Fallback"));
1312         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", role.c_str());
1313         if (!lid)
1314         {
1315             HMI_ERROR("wm", "Drawing name does not match any role, Fallback is disabled");
1316             return ret;
1317         }
1318     }
1319
1320     if(0 != pid){
1321         // search floating surfaceID from pid if pid is designated.
1322         // It is not good that application request with its pid
1323         wm_err = app_list->popFloatingSurface(pid, &surface);
1324     }
1325     else{
1326         // get floating surface with appid. If WM queries appid from pid,
1327         // WM can bind surface and role with appid(not implemented yet)
1328         //wm_err = app_list->popFloatingSurface(id);
1329     }
1330     if(wm_err != WMError::SUCCESS){
1331         HMI_ERROR("wm", "No floating surface for app: %s", id.c_str());
1332         app_list->addFloatingClient(id, *lid, role);
1333         HMI_NOTICE("wm", "%s : Waiting for surface creation", id.c_str());
1334         return ret;
1335     }
1336
1337     ret = true;
1338     if (app_list->contains(id))
1339     {
1340         HMI_INFO("wm", "Add role: %s with surface: %d. Client %s has multi surfaces.",
1341                  role.c_str(), surface, id.c_str());
1342         wm_err = app_list->appendRole(id, role, surface);
1343         if(wm_err != WMError::SUCCESS){
1344             HMI_INFO("wm", errorDescription(wm_err));
1345         }
1346     }
1347     else{
1348         HMI_INFO("wm", "Create new client: %s, surface: %d into layer: %d with role: %s",
1349                  id.c_str(), surface, *lid, role.c_str());
1350         app_list->addClient(id, *lid, surface, role);
1351     }
1352     return ret;
1353 }
1354
1355 result<json_object *> App::api_get_display_info()
1356 {
1357     // Check controller
1358     if (!this->controller)
1359     {
1360         return Err<json_object *>("ivi_controller global not available");
1361     }
1362
1363     // Set display info
1364     compositor::size o_size = this->controller->output_size;
1365     compositor::size p_size = this->controller->physical_size;
1366
1367     json_object *object = json_object_new_object();
1368     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1369     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1370     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1371     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1372
1373     return Ok<json_object *>(object);
1374 }
1375
1376 result<json_object *> App::api_get_area_info(char const *drawing_name)
1377 {
1378     HMI_DEBUG("wm", "called");
1379
1380     // Check drawing name, surface/layer id
1381     auto const &surface_id = this->lookup_id(drawing_name);
1382     if (!surface_id)
1383     {
1384         return Err<json_object *>("Surface does not exist");
1385     }
1386
1387     if (!this->controller->surface_exists(*surface_id))
1388     {
1389         return Err<json_object *>("Surface does not exist in controller!");
1390     }
1391
1392     auto layer_id = this->layers.get_layer_id(*surface_id);
1393     if (!layer_id)
1394     {
1395         return Err<json_object *>("Surface is not on any layer!");
1396     }
1397
1398     auto o_state = *this->layers.get_layout_state(*surface_id);
1399     if (o_state == nullptr)
1400     {
1401         return Err<json_object *>("Could not find layer for surface");
1402     }
1403
1404     struct LayoutState &state = *o_state;
1405     if ((state.main != *surface_id) && (state.sub != *surface_id))
1406     {
1407         return Err<json_object *>("Surface is inactive");
1408     }
1409
1410     // Set area rectangle
1411     compositor::rect area_info = this->area_info[*surface_id];
1412     json_object *object = json_object_new_object();
1413     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1414     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1415     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1416     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1417
1418     return Ok<json_object *>(object);
1419 }
1420
1421 void App::activate(int id)
1422 {
1423     auto ip = this->controller->sprops.find(id);
1424     if (ip != this->controller->sprops.end())
1425     {
1426         this->controller->surfaces[id]->set_visibility(1);
1427         char const *label =
1428             this->lookup_name(id).value_or("unknown-name").c_str();
1429
1430         // FOR CES DEMO >>>
1431         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1432         {
1433             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1434             {
1435                 if (id == *i)
1436                 {
1437                     // Remove id
1438                     this->surface_bg.erase(i);
1439
1440                     // Remove from BG layer (999)
1441                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1442                     this->controller->layers[999]->remove_surface(id);
1443
1444                     // Add to FG layer (1001)
1445                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1446                     this->controller->layers[1001]->add_surface(id);
1447
1448                     for (int j : this->surface_bg)
1449                     {
1450                         HMI_DEBUG("wm", "Stored id:%d", j);
1451                     }
1452                     break;
1453                 }
1454             }
1455         }
1456         // <<< FOR CES DEMO
1457         this->layout_commit();
1458
1459         this->emit_visible(label);
1460         this->emit_activated(label);
1461     }
1462 }
1463
1464 void App::deactivate(int id)
1465 {
1466     auto ip = this->controller->sprops.find(id);
1467     if (ip != this->controller->sprops.end())
1468     {
1469         char const *label =
1470             this->lookup_name(id).value_or("unknown-name").c_str();
1471
1472         // FOR CES DEMO >>>
1473         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1474         {
1475
1476             // Store id
1477             this->surface_bg.push_back(id);
1478
1479             // Remove from FG layer (1001)
1480             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1481             this->controller->layers[1001]->remove_surface(id);
1482
1483             // Add to BG layer (999)
1484             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1485             this->controller->layers[999]->add_surface(id);
1486
1487             for (int j : surface_bg)
1488             {
1489                 HMI_DEBUG("wm", "Stored id:%d", j);
1490             }
1491         }
1492         else
1493         {
1494             this->controller->surfaces[id]->set_visibility(0);
1495         }
1496         // <<< FOR CES DEMO
1497
1498         this->emit_deactivated(label);
1499         this->emit_invisible(label);
1500     }
1501 }
1502
1503 void App::deactivate_main_surface()
1504 {
1505     this->layers.main_surface = -1;
1506     std::string appid = "HomeScreen";
1507     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1508 }
1509
1510 bool App::can_split(struct LayoutState const &state, int new_id)
1511 {
1512     if (state.main != -1 && state.main != new_id)
1513     {
1514         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1515         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1516
1517         // surfaces are on separate layers, don't bother.
1518         if (new_id_layer != current_id_layer)
1519         {
1520             return false;
1521         }
1522
1523         std::string const &new_id_str = this->lookup_name(new_id).value();
1524         std::string const &cur_id_str = this->lookup_name(state.main).value();
1525
1526         auto const &layer = this->layers.get_layer(new_id_layer);
1527
1528         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1529
1530         if (layer->layouts.empty())
1531         {
1532             return false;
1533         }
1534
1535         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1536         {
1537             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1538             auto rem = std::regex(i->main_match);
1539             if (std::regex_match(cur_id_str, rem))
1540             {
1541                 // build the second one only if the first already matched
1542                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1543                 auto res = std::regex(i->sub_match);
1544                 if (std::regex_match(new_id_str, res))
1545                 {
1546                     HMI_DEBUG("wm", "layout matched!");
1547                     return true;
1548                 }
1549             }
1550         }
1551     }
1552
1553     return false;
1554 }
1555
1556 void App::try_layout(struct LayoutState & /*state*/,
1557                      struct LayoutState const &new_layout,
1558                      std::function<void(LayoutState const &nl)> apply)
1559 {
1560     if (this->policy.layout_is_valid(new_layout))
1561     {
1562         apply(new_layout);
1563     }
1564 }
1565
1566 /**
1567  * controller_hooks
1568  */
1569 void controller_hooks::surface_created(uint32_t surface_id)
1570 {
1571     this->app->surface_created(surface_id);
1572 }
1573
1574 void controller_hooks::surface_removed(uint32_t surface_id)
1575 {
1576     this->app->surface_removed(surface_id);
1577 }
1578
1579 void controller_hooks::surface_properties(uint32_t surface_id, uint32_t pid)
1580 {
1581     this->app->surface_properties(surface_id, pid);
1582 }
1583
1584 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1585                                           uint32_t /*v*/) {}
1586
1587 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1588                                                      uint32_t /*x*/,
1589                                                      uint32_t /*y*/,
1590                                                      uint32_t /*w*/,
1591                                                      uint32_t /*h*/) {}
1592
1593 } // namespace wm