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 static const unsigned kTimeOut = 3000000UL; /* 3s */
  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 sd_event_source *g_timer_ev_src = nullptr;
  72
  73 static AppList g_app_list;
  74
  75 namespace
  76 {
  77
  78 using nlohmann::json;
  79
  80 result<json> file_to_json(char const *filename)
  81 {
  82     json j;
  83     std::ifstream i(filename);
  84     if (i.fail())
  85     {
  86         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  87         j = default_layers_json;
  88     }
  89     else
  90     {
  91         i >> j;
  92     }
  93
  94     return Ok(j);
  95 }
  96
  97 struct result<layer_map> load_layer_map(char const *filename)
  98 {
  99     HMI_DEBUG("wm", "loading IDs from %s", filename);
 100
 101     auto j = file_to_json(filename);
 102     if (j.is_err())
 103     {
 104         return Err<layer_map>(j.unwrap_err());
 105     }
 106     json jids = j.unwrap();
 107
 108     return to_layer_map(jids);
 109 }
 110
 111 static int
 112 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 113 {
 114     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
 115     reinterpret_cast<wm::App *>(userdata)->timerHandler();
 116     return 0;
 117 }
 118
 119 } // namespace
 120
 121 void App::timerHandler()
 122 {
 123     unsigned req_num = g_app_list.currentRequestNumber();
 124     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
 125     g_app_list.reqDump();
 126     g_app_list.removeRequest(req_num);
 127     this->processNextRequest();
 128 }
 129
 130 void App::removeClient(const std::string &appid)
 131 {
 132     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 133     g_app_list.removeClient(appid);
 134 }
 135
 136 void App::exeptionProcessForTransition()
 137 {
 138     unsigned req_num = g_app_list.currentRequestNumber();
 139     HMI_SEQ_NOTICE(req_num, "Process exeption handling for request. Remove current request %d", req_num);
 140     g_app_list.removeRequest(req_num);
 141     HMI_SEQ_NOTICE(g_app_list.currentRequestNumber(), "Process next request if exists");
 142     this->processNextRequest();
 143 }
 144
 145 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 146 {
 147     if(!g_app_list.contains(appid)){
 148         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 149         return false;
 150     }
 151     auto client = g_app_list.lookUpClient(appid);
 152     return client->subscribe(req, evname);
 153 }
 154
 155 /**
 156  * App Impl
 157  */
 158 App::App(wl::display *d)
 159     : chooks{this},
 160       display{d},
 161       controller{},
 162       outputs(),
 163       layers(),
 164       id_alloc{},
 165       pending_events(false)
 166 {
 167     char const *path_layers_json = getenv("AFM_APP_INSTALL_DIR");
 168     std::string path;
 169     if (!path_layers_json)
 170     {
 171         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
 172         path = std::string(path_layers_json);
 173     }
 174     else
 175     {
 176         path = std::string(path_layers_json) + std::string("/etc/layers.json");
 177     }
 178
 179     try
 180     {
 181         {
 182             auto l = load_layer_map(path.c_str());
 183             if (l.is_ok())
 184             {
 185                 this->layers = l.unwrap();
 186             }
 187             else
 188             {
 189                 HMI_ERROR("wm", "%s", l.err().value());
 190             }
 191         }
 192     }
 193     catch (std::exception &e)
 194     {
 195         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 196     }
 197 }
 198
 199 int App::init()
 200 {
 201     if (!this->display->ok())
 202     {
 203         return -1;
 204     }
 205
 206     if (this->layers.mapping.empty())
 207     {
 208         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 209         return -1;
 210     }
 211
 212     // Make afb event
 213     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 214     {
 215         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 216     }
 217
 218     this->display->add_global_handler(
 219         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 220             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 221         });
 222
 223     this->display->add_global_handler(
 224         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 225             this->controller =
 226                 std::make_unique<struct compositor::controller>(r, name, v);
 227
 228             // Init controller hooks
 229             this->controller->chooks = &this->chooks;
 230
 231             // This protocol needs the output, so lets just add our mapping here...
 232             this->controller->add_proxy_to_id_mapping(
 233                 this->outputs.back()->proxy.get(),
 234                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 235                     this->outputs.back()->proxy.get())));
 236
 237             // Create screen
 238             this->controller->create_screen(this->outputs.back()->proxy.get());
 239
 240             // Set display to controller
 241             this->controller->display = this->display;
 242         });
 243
 244     // First level objects
 245     this->display->roundtrip();
 246     // Second level objects
 247     this->display->roundtrip();
 248     // Third level objects
 249     this->display->roundtrip();
 250
 251     return init_layers();
 252 }
 253
 254 int App::dispatch_pending_events()
 255 {
 256     if (this->pop_pending_events())
 257     {
 258         this->display->dispatch_pending();
 259         return 0;
 260     }
 261     return -1;
 262 }
 263
 264 bool App::pop_pending_events()
 265 {
 266     bool x{true};
 267     return this->pending_events.compare_exchange_strong(
 268         x, false, std::memory_order_consume);
 269 }
 270
 271 void App::set_pending_events()
 272 {
 273     this->pending_events.store(true, std::memory_order_release);
 274 }
 275
 276 optional<int> App::lookup_id(char const *name)
 277 {
 278     return this->id_alloc.lookup(std::string(name));
 279 }
 280 optional<std::string> App::lookup_name(int id)
 281 {
 282     return this->id_alloc.lookup(id);
 283 }
 284
 285 /**
 286  * init_layers()
 287  */
 288 int App::init_layers()
 289 {
 290     if (!this->controller)
 291     {
 292         HMI_ERROR("wm", "ivi_controller global not available");
 293         return -1;
 294     }
 295
 296     if (this->outputs.empty())
 297     {
 298         HMI_ERROR("wm", "no output was set up!");
 299         return -1;
 300     }
 301
 302     auto &c = this->controller;
 303
 304     auto &o = this->outputs.front();
 305     auto &s = c->screens.begin()->second;
 306     auto &layers = c->layers;
 307
 308     // Write output dimensions to ivi controller...
 309     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 310     c->physical_size = compositor::size{uint32_t(o->physical_width),
 311                                         uint32_t(o->physical_height)};
 312
 313     // Clear scene
 314     layers.clear();
 315
 316     // Clear screen
 317     s->clear();
 318
 319     // Quick and dirty setup of layers
 320     for (auto const &i : this->layers.mapping)
 321     {
 322         c->layer_create(i.second.layer_id, o->width, o->height);
 323         auto &l = layers[i.second.layer_id];
 324         l->set_destination_rectangle(0, 0, o->width, o->height);
 325         l->set_visibility(1);
 326         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 327                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 328     }
 329
 330     // Add layers to screen
 331     s->set_render_order(this->layers.layers);
 332
 333     this->layout_commit();
 334
 335     this->layers.setupArea(o->width, o->height);
 336
 337     return 0;
 338 }
 339
 340 void App::surface_set_layout(int surface_id, const std::string& area)
 341 {
 342     if (!this->controller->surface_exists(surface_id))
 343     {
 344         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 345         return;
 346     }
 347
 348     auto o_layer_id = this->layers.get_layer_id(surface_id);
 349
 350     if (!o_layer_id)
 351     {
 352         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 353         return;
 354     }
 355
 356     uint32_t layer_id = *o_layer_id;
 357
 358     auto const &layer = this->layers.get_layer(layer_id);
 359     auto rect = this->layers.getAreaSize(area);
 360     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "%s : x:%d y:%d w:%d h:%d", area.c_str(),
 361                     rect.x, rect.y, rect.w, rect.h);
 362     auto &s = this->controller->surfaces[surface_id];
 363
 364     int x = rect.x;
 365     int y = rect.y;
 366     int w = rect.w;
 367     int h = rect.h;
 368
 369     // less-than-0 values refer to MAX + 1 - $VALUE
 370     // e.g. MAX is either screen width or height
 371     if (w < 0)
 372     {
 373         w = this->controller->output_size.w + 1 + w;
 374     }
 375     if (h < 0)
 376     {
 377         h = this->controller->output_size.h + 1 + h;
 378     }
 379
 380     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 381               layer_id);
 382
 383     // set destination to the display rectangle
 384     s->set_destination_rectangle(x, y, w, h);
 385
 386     // update area information
 387     this->area_info[surface_id].x = x;
 388     this->area_info[surface_id].y = y;
 389     this->area_info[surface_id].w = w;
 390     this->area_info[surface_id].h = h;
 391
 392     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 393               surface_id, layer_id, x, y, w, h);
 394 }
 395
 396 void App::layout_commit()
 397 {
 398     this->controller->commit_changes();
 399     this->display->flush();
 400 }
 401
 402 void App::setTimer()
 403 {
 404     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 405     if (g_timer_ev_src == nullptr)
 406     {
 407         // firsttime set into sd_event
 408         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 409             CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 410         if (ret < 0)
 411         {
 412             HMI_ERROR("wm", "Could't set timer");
 413         }
 414     }
 415     else
 416     {
 417         // update timer limitation after second time
 418         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 419         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 420     }
 421 }
 422
 423 void App::stopTimer()
 424 {
 425     unsigned req_num = g_app_list.currentRequestNumber();
 426     HMI_SEQ_DEBUG(req_num, "Timer stop");
 427     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 428     if (rc < 0)
 429     {
 430         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 431     }
 432 }
 433
 434 WMError App::doTransition(unsigned req_num)
 435 {
 436     HMI_SEQ_DEBUG(req_num, "check policy");
 437     WMError ret = this->checkPolicy(req_num);
 438     if (ret != WMError::SUCCESS)
 439     {
 440         return ret;
 441     }
 442     HMI_SEQ_DEBUG(req_num, "Start transition.");
 443     ret = this->startTransition(req_num);
 444     return ret;
 445 }
 446
 447 WMError App::checkPolicy(unsigned req_num)
 448 {
 449     /*
 450     * Check Policy
 451     */
 452     // get current trigger
 453     bool found = false;
 454     bool split = false;
 455     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 456     auto trigger = g_app_list.getRequest(req_num, &found);
 457     if (!found)
 458     {
 459         ret = WMError::NO_ENTRY;
 460         return ret;
 461     }
 462     std::string req_area = trigger.area;
 463
 464     // >>>> Compatible with current window manager until policy manager coming
 465     if (trigger.task == Task::TASK_ALLOCATE)
 466     {
 467         HMI_SEQ_DEBUG(req_num, "Check split or not");
 468         const char *msg = this->check_surface_exist(trigger.role.c_str());
 469
 470         if (msg)
 471         {
 472             HMI_SEQ_ERROR(req_num, msg);
 473             ret = WMError::LAYOUT_CHANGE_FAIL;
 474             return ret;
 475         }
 476
 477         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 478         auto o_state = *this->layers.get_layout_state(*surface_id);
 479         struct LayoutState &state = *o_state;
 480
 481         unsigned curernt_sid = state.main;
 482         split = this->can_split(state, *surface_id);
 483
 484         if (split)
 485         {
 486             HMI_SEQ_DEBUG(req_num, "Split happens");
 487             // Get current visible role
 488             std::string add_role = this->lookup_name(state.main).value();
 489             // Set next area
 490             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 491             // Change request area
 492             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 493             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen",
 494                                 trigger.area, req_area);
 495             // set another action
 496             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 497             if (!found)
 498             {
 499                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
 500                 ret = WMError::NOT_REGISTERED;
 501                 return ret;
 502             }
 503             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 504                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 505             // Set split action
 506             bool end_draw_finished = false;
 507             WMAction split_action{
 508                 add_name,
 509                 add_role,
 510                 add_area,
 511                 TaskVisible::VISIBLE,
 512                 end_draw_finished};
 513             WMError ret = g_app_list.setAction(req_num, split_action);
 514             if (ret != WMError::SUCCESS)
 515             {
 516                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 517                 return ret;
 518             }
 519             g_app_list.reqDump();
 520         }
 521     }
 522     else
 523     {
 524         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
 525     }
 526
 527     // Set invisible task(Remove if policy manager finish)
 528     ret = this->setInvisibleTask(trigger.role, split);
 529     if(ret != WMError::SUCCESS)
 530     {
 531         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
 532         return ret;
 533     }
 534
 535     /*  get new status from Policy Manager */
 536     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 537     if(trigger.role == "HomeScreen")
 538     {
 539         // TODO : Remove when Policy Manager completed
 540         HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
 541         req_area = "fullscreen";
 542     }
 543     TaskVisible task_visible =
 544         (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 545
 546     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
 547     g_app_list.reqDump();
 548
 549     return ret;
 550 }
 551
 552 WMError App::startTransition(unsigned req_num)
 553 {
 554     bool sync_draw_happen = false;
 555     bool found = false;
 556     WMError ret = WMError::SUCCESS;
 557     auto actions = g_app_list.getActions(req_num, &found);
 558     if (!found)
 559     {
 560         ret = WMError::NO_ENTRY;
 561         HMI_SEQ_ERROR(req_num,
 562             "Window Manager bug :%s : Action is not set", errorDescription(ret));
 563         return ret;
 564     }
 565
 566     for (const auto &action : actions)
 567     {
 568         if (action.visible != TaskVisible::INVISIBLE)
 569         {
 570             sync_draw_happen = true;
 571             this->emit_syncdraw(action.role, action.area);
 572             /* TODO: emit event for app not subscriber
 573             if(g_app_list.contains(y.appid))
 574                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 575         }
 576     }
 577
 578     if (sync_draw_happen)
 579     {
 580         this->setTimer();
 581     }
 582     else
 583     {
 584         // deactivate only, no syncDraw
 585         // Make it deactivate here
 586         for (const auto &x : actions)
 587         {
 588             if (g_app_list.contains(x.appid))
 589             {
 590                 auto client = g_app_list.lookUpClient(x.appid);
 591                 this->deactivate(client->surfaceID(x.role));
 592             }
 593         }
 594         ret = NO_LAYOUT_CHANGE;
 595     }
 596     return ret;
 597 }
 598
 599 WMError App::setInvisibleTask(const std::string &role, bool split)
 600 {
 601     unsigned req_num = g_app_list.currentRequestNumber();
 602     HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
 603     // This task is copied from original actiavete surface
 604     const char *drawing_name = role.c_str();
 605     auto const &surface_id = this->lookup_id(drawing_name);
 606     auto layer_id = this->layers.get_layer_id(*surface_id);
 607     auto o_state = *this->layers.get_layout_state(*surface_id);
 608     struct LayoutState &state = *o_state;
 609     std::string add_name, add_role;
 610     std::string add_area = "";
 611     int surface;
 612     TaskVisible task_visible = TaskVisible::INVISIBLE;
 613     bool end_draw_finished = true;
 614     bool found = false;
 615
 616     for (auto const &l : this->layers.mapping)
 617     {
 618         if (l.second.layer_id <= *layer_id)
 619         {
 620             continue;
 621         }
 622         HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
 623         if (l.second.state.main != -1)
 624         {
 625             //this->deactivate(l.second.state.main);
 626             surface = l.second.state.main;
 627             add_role = *this->id_alloc.lookup(surface);
 628             add_name = g_app_list.getAppID(surface, add_role, &found);
 629             if(!found){
 630                 return WMError::NOT_REGISTERED;
 631             }
 632             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
 633             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 634             g_app_list.setAction(req_num, act);
 635             l.second.state.main = -1;
 636         }
 637
 638         if (l.second.state.sub != -1)
 639         {
 640             //this->deactivate(l.second.state.sub);
 641             surface = l.second.state.sub;
 642             add_role = *this->id_alloc.lookup(surface);
 643             add_name = g_app_list.getAppID(surface, add_role, &found);
 644             if (!found)
 645             {
 646                 return WMError::NOT_REGISTERED;
 647             }
 648             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
 649             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 650             g_app_list.setAction(req_num, act);
 651             l.second.state.sub = -1;
 652         }
 653     }
 654
 655     // change current state here, but this is hack
 656     auto layer = this->layers.get_layer(*layer_id);
 657
 658     if (state.main == -1)
 659     {
 660         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 661     }
 662     else
 663     {
 664         if (0 != strcmp(drawing_name, "HomeScreen"))
 665         {
 666             if (split)
 667             {
 668                 std::string main =
 669                     std::move(*this->id_alloc.lookup(state.main));
 670                 if (state.sub != *surface_id)
 671                 {
 672                     if (state.sub != -1)
 673                     {
 674                         //this->deactivate(state.sub);
 675                         WMAction deact_sub;
 676                         deact_sub.role = main;
 677                         deact_sub.area = add_area;
 678                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
 679                         if (!found)
 680                         {
 681                             HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 682                             return WMError::NOT_REGISTERED;
 683                         }
 684                         deact_sub.visible = task_visible;
 685                         deact_sub.end_draw_finished = end_draw_finished;
 686                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 687                         g_app_list.setAction(req_num, deact_sub);
 688                     }
 689                 }
 690                 //state = LayoutState{state.main, *surface_id};
 691             }
 692             else
 693             {
 694                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 695
 696                 //this->surface_set_layout(*surface_id);
 697                 if (state.main != *surface_id)
 698                 {
 699                     // this->deactivate(state.main);
 700                     WMAction deact_main;
 701                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
 702                     ;
 703                     deact_main.area = add_area;
 704                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
 705                     if (!found)
 706                     {
 707                         HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
 708                         return WMError::NOT_REGISTERED;
 709                     }
 710                     deact_main.visible = task_visible;
 711                     deact_main.end_draw_finished = end_draw_finished;
 712                     HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 713                     g_app_list.setAction(req_num, deact_main);
 714                 }
 715                 if (state.sub != -1)
 716                 {
 717                     if (state.sub != *surface_id)
 718                     {
 719                         //this->deactivate(state.sub);
 720                         WMAction deact_sub;
 721                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
 722                         ;
 723                         deact_sub.area = add_area;
 724                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
 725                         if (!found)
 726                         {
 727                             HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
 728                             return WMError::NOT_REGISTERED;
 729                         }
 730                         deact_sub.visible = task_visible;
 731                         deact_sub.end_draw_finished = end_draw_finished;
 732                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 733                         g_app_list.setAction(req_num, deact_sub);
 734                     }
 735                 }
 736                 //state = LayoutState{*surface_id};
 737             }
 738         }
 739     }
 740     return WMError::SUCCESS;
 741 }
 742
 743 const char *App::check_surface_exist(const char *drawing_name)
 744 {
 745     auto const &surface_id = this->lookup_id(drawing_name);
 746     if (!surface_id)
 747     {
 748         //reply("Surface does not exist");
 749         return "Surface does not exist";
 750     }
 751
 752     if (!this->controller->surface_exists(*surface_id))
 753     {
 754         //reply("Surface does not exist in controller!");
 755         return "Surface does not exist in controller!";
 756     }
 757
 758     auto layer_id = this->layers.get_layer_id(*surface_id);
 759
 760     if (!layer_id)
 761     {
 762         //reply("Surface is not on any layer!");
 763         return "Surface is not on any layer!";
 764     }
 765
 766     auto o_state = *this->layers.get_layout_state(*surface_id);
 767
 768     if (o_state == nullptr)
 769     {
 770         //reply("Could not find layer for surface");
 771         return "Could not find layer for surface";
 772     }
 773
 774     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 775     return nullptr;
 776     //reply(nullptr);
 777 }
 778
 779 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 780                             Task task, unsigned* req_num)
 781 {
 782     if (!g_app_list.contains(appid))
 783     {
 784         return WMError::NOT_REGISTERED;
 785     }
 786
 787     auto client = g_app_list.lookUpClient(appid);
 788
 789     /*
 790    * Queueing Phase
 791    */
 792     unsigned current = g_app_list.currentRequestNumber();
 793     unsigned requested_num = g_app_list.getRequestNumber(appid);
 794     if (requested_num != 0)
 795     {
 796         HMI_SEQ_INFO(requested_num,
 797             "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 798         return REQ_REJECTED;
 799     }
 800
 801     WMRequest req = WMRequest(appid, role, area, task);
 802     unsigned new_req = g_app_list.addRequest(req);
 803     *req_num = new_req;
 804     g_app_list.reqDump();
 805
 806     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 807
 808     return WMError::SUCCESS;
 809 }
 810
 811 void App::api_activate_surface(char const *appid, char const *drawing_name,
 812                                char const *drawing_area, const reply_func &reply)
 813 {
 814     ST();
 815
 816     std::string id = appid;
 817     std::string role = drawing_name;
 818     std::string area = drawing_area;
 819     Task task = Task::TASK_ALLOCATE;
 820     unsigned req_num = 0;
 821     WMError ret = WMError::UNKNOWN;
 822
 823     ret = this->setRequest(id, role, area, task, &req_num);
 824
 825     if(ret != WMError::SUCCESS)
 826     {
 827         HMI_ERROR("wm", errorDescription(ret));
 828         reply("Failed to set request");
 829         return;
 830     }
 831
 832     reply(nullptr);
 833     if (req_num != g_app_list.currentRequestNumber())
 834     {
 835         // Add request, then invoked after the previous task is finished
 836         HMI_SEQ_DEBUG(req_num, "request is accepted");
 837         return;
 838     }
 839
 840     /*
 841     * Do allocate tasks
 842     */
 843     ret = this->doTransition(req_num);
 844
 845     if (ret != WMError::SUCCESS)
 846     {
 847         //this->emit_error()
 848         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 849         g_app_list.removeRequest(req_num);
 850         this->processNextRequest();
 851     }
 852 }
 853
 854 void App::api_deactivate_surface(char const *appid, char const *drawing_name,
 855                                  const reply_func &reply)
 856 {
 857     ST();
 858
 859     /*
 860    * Check Phase
 861    */
 862     std::string id = appid;
 863     std::string role = drawing_name;
 864     std::string area = ""; //drawing_area;
 865     Task task = Task::TASK_RELEASE;
 866     unsigned req_num = 0;
 867     WMError ret = WMError::UNKNOWN;
 868
 869     ret = this->setRequest(id, role, area, task, &req_num);
 870
 871     if (ret != WMError::SUCCESS)
 872     {
 873         HMI_ERROR("wm", errorDescription(ret));
 874         reply("Failed to set request");
 875         return;
 876     }
 877
 878     reply(nullptr);
 879     if (req_num != g_app_list.currentRequestNumber())
 880     {
 881         // Add request, then invoked after the previous task is finished
 882         HMI_SEQ_DEBUG(req_num, "request is accepted");
 883         return;
 884     }
 885
 886     /*
 887     * Do allocate tasks
 888     */
 889     ret = this->doTransition(req_num);
 890
 891     if (ret != WMError::SUCCESS)
 892     {
 893         //this->emit_error()
 894         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 895         g_app_list.removeRequest(req_num);
 896         this->processNextRequest();
 897     }
 898 }
 899
 900 WMError App::doEndDraw(unsigned req_num)
 901 {
 902     // get actions
 903     bool found;
 904     auto actions = g_app_list.getActions(req_num, &found);
 905     WMError ret = WMError::SUCCESS;
 906     if (!found)
 907     {
 908         ret = WMError::NO_ENTRY;
 909         return ret;
 910     }
 911
 912     HMI_SEQ_INFO(req_num, "do endDraw");
 913
 914     // layout change and make it visible
 915     for (const auto &act : actions)
 916     {
 917         // layout change
 918         if(!g_app_list.contains(act.appid)){
 919             ret = WMError::NOT_REGISTERED;
 920         }
 921         ret = this->layoutChange(act);
 922         if(ret != WMError::SUCCESS)
 923         {
 924             HMI_SEQ_WARNING(req_num,
 925                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
 926             return ret;
 927         }
 928         ret = this->visibilityChange(act);
 929         if (ret != WMError::SUCCESS)
 930         {
 931             HMI_SEQ_WARNING(req_num,
 932                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
 933             return ret;
 934         }
 935         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
 936         //this->lm_enddraw(act.role.c_str());
 937     }
 938
 939     // Change current state
 940     this->changeCurrentState(req_num);
 941
 942     HMI_SEQ_INFO(req_num, "emit flushDraw");
 943
 944     for(const auto &act_flush : actions)
 945     {
 946         if(act_flush.visible != TaskVisible::INVISIBLE)
 947         {
 948             this->emit_flushdraw(act_flush.role.c_str());
 949         }
 950     }
 951
 952     return ret;
 953 }
 954
 955 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
 956 {
 957     this->surface_set_layout(surface, area);
 958
 959     return WMError::SUCCESS;
 960 }
 961
 962 WMError App::layoutChange(const WMAction &action)
 963 {
 964     if (action.visible == TaskVisible::INVISIBLE)
 965     {
 966         // Visibility is not change -> no redraw is required
 967         return WMError::SUCCESS;
 968     }
 969     auto client = g_app_list.lookUpClient(action.appid);
 970     unsigned surface = client->surfaceID(action.role);
 971     if (surface == 0)
 972     {
 973         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
 974                       "client doesn't have surface with role(%s)", action.role.c_str());
 975         return WMError::NOT_REGISTERED;
 976     }
 977     // Layout Manager
 978     WMError ret = this->setSurfaceSize(surface, action.area);
 979     return ret;
 980 }
 981
 982 WMError App::visibilityChange(const WMAction &action)
 983 {
 984     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
 985     if(!g_app_list.contains(action.appid)){
 986         return WMError::NOT_REGISTERED;
 987     }
 988     auto client = g_app_list.lookUpClient(action.appid);
 989     unsigned surface = client->surfaceID(action.role);
 990     if(surface == 0)
 991     {
 992         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
 993                       "client doesn't have surface with role(%s)", action.role.c_str());
 994         return WMError::NOT_REGISTERED;
 995     }
 996
 997     if (action.visible != TaskVisible::INVISIBLE)
 998     {
 999         this->activate(surface); // Layout Manager task
1000     }
1001     else
1002     {
1003         this->deactivate(surface); // Layout Manager task
1004     }
1005     return WMError::SUCCESS;
1006 }
1007
1008 WMError App::changeCurrentState(unsigned req_num)
1009 {
1010     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1011     bool trigger_found = false, action_found = false;
1012     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1013     auto actions = g_app_list.getActions(req_num, &action_found);
1014     if (!trigger_found || !action_found)
1015     {
1016         HMI_SEQ_ERROR(req_num, "Action not found");
1017         return WMError::LAYOUT_CHANGE_FAIL;
1018     }
1019
1020     // Layout state reset
1021     struct LayoutState reset_state{-1, -1};
1022     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1023     for (const auto &action : actions)
1024     {
1025         if(!g_app_list.contains(action.appid)){
1026             return WMError::NOT_REGISTERED;
1027         }
1028         auto client = g_app_list.lookUpClient(action.appid);
1029         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1030         if(pCurState == nullptr)
1031         {
1032             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1033             continue;
1034         }
1035         pCurState->main = reset_state.main;
1036         pCurState->sub = reset_state.sub;
1037     }
1038
1039     HMI_SEQ_DEBUG(req_num, "Change state");
1040     for (const auto &action : actions)
1041     {
1042         auto client = g_app_list.lookUpClient(action.appid);
1043         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1044         if (pLayerCurState == nullptr)
1045         {
1046             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1047             continue;
1048         }
1049         int surface = -1;
1050
1051         if (action.visible != TaskVisible::INVISIBLE)
1052         {
1053             surface = (int)client->surfaceID(action.role);
1054             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
1055                             action.role.c_str(), surface, action.area.c_str());
1056             // visible == true -> layout changes
1057             if(action.area == "normal.full" || action.area == "split.main")
1058             {
1059                 pLayerCurState->main = surface;
1060             }
1061             else if (action.area == "split.sub")
1062             {
1063                 pLayerCurState->sub = surface;
1064             }
1065             else
1066             {
1067                 // normalfull
1068                 pLayerCurState->main = surface;
1069             }
1070         }
1071     }
1072
1073     return WMError::SUCCESS;
1074 }
1075
1076 void App::api_enddraw(char const *appid, char const *drawing_name)
1077 {
1078     std::string id = appid;
1079     std::string role = drawing_name;
1080     unsigned current_req = g_app_list.currentRequestNumber();
1081     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1082
1083     if (!result)
1084     {
1085         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1086         return;
1087     }
1088
1089     if (g_app_list.endDrawFullfilled(current_req))
1090     {
1091         // do task for endDraw
1092         this->stopTimer();
1093         WMError ret = this->doEndDraw(current_req);
1094
1095         if(ret != WMError::SUCCESS)
1096         {
1097             //this->emit_error();
1098         }
1099         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1100
1101         g_app_list.removeRequest(current_req);
1102
1103         this->processNextRequest();
1104     }
1105     else
1106     {
1107         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1108         return;
1109     }
1110 }
1111
1112 void App::processNextRequest()
1113 {
1114     g_app_list.next();
1115     g_app_list.reqDump();
1116     unsigned req_num = g_app_list.currentRequestNumber();
1117     if (g_app_list.haveRequest())
1118     {
1119         HMI_SEQ_DEBUG(req_num, "Process next request");
1120         WMError rc = doTransition(req_num);
1121         if (rc != WMError::SUCCESS)
1122         {
1123             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1124         }
1125     }
1126     else
1127     {
1128         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1129     }
1130 }
1131
1132 void App::api_ping() { this->dispatch_pending_events(); }
1133
1134 void App::send_event(char const *evname, char const *label)
1135 {
1136     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1137
1138     json_object *j = json_object_new_object();
1139     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1140
1141     int ret = afb_event_push(this->map_afb_event[evname], j);
1142     if (ret != 0)
1143     {
1144         HMI_DEBUG("wm", "afb_event_push failed: %m");
1145     }
1146 }
1147
1148 void App::send_event(char const *evname, char const *label, char const *area,
1149                      int x, int y, int w, int h)
1150 {
1151     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1152               __func__, evname, label, area, x, y, w, h);
1153
1154     json_object *j_rect = json_object_new_object();
1155     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1156     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1157     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1158     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1159
1160     json_object *j = json_object_new_object();
1161     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1162     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1163     json_object_object_add(j, kKeyDrawingRect, j_rect);
1164
1165     int ret = afb_event_push(this->map_afb_event[evname], j);
1166     if (ret != 0)
1167     {
1168         HMI_DEBUG("wm", "afb_event_push failed: %m");
1169     }
1170 }
1171
1172 /**
1173  * proxied events
1174  */
1175 void App::surface_created(uint32_t surface_id)
1176 {
1177     auto layer_id = this->layers.get_layer_id(surface_id);
1178     if (!layer_id)
1179     {
1180         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1181                   surface_id);
1182         return;
1183     }
1184
1185     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1186
1187     this->controller->layers[*layer_id]->add_surface(surface_id);
1188     this->layout_commit();
1189 }
1190
1191 void App::surface_removed(uint32_t surface_id)
1192 {
1193     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1194
1195     g_app_list.removeSurface(surface_id);
1196 }
1197
1198 void App::emit_activated(char const *label)
1199 {
1200     this->send_event(kListEventName[Event_Active], label);
1201 }
1202
1203 void App::emit_deactivated(char const *label)
1204 {
1205     this->send_event(kListEventName[Event_Inactive], label);
1206 }
1207
1208 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1209 {
1210     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1211 }
1212
1213 void App::emit_syncdraw(const std::string &role, const std::string &area)
1214 {
1215     compositor::rect rect = this->layers.getAreaSize(area);
1216     //this->lm_get_area_info(area, &x, &y, &w, &h);
1217     this->send_event(kListEventName[Event_SyncDraw],
1218         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1219 }
1220
1221 void App::emit_flushdraw(char const *label)
1222 {
1223     this->send_event(kListEventName[Event_FlushDraw], label);
1224 }
1225
1226 void App::emit_visible(char const *label, bool is_visible)
1227 {
1228     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1229 }
1230
1231 void App::emit_invisible(char const *label)
1232 {
1233     return emit_visible(label, false);
1234 }
1235
1236 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1237
1238 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1239 {
1240     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1241     if (!lid)
1242     {
1243         /**
1244        * register drawing_name as fallback and make it displayed.
1245        */
1246         lid = this->layers.get_layer_id(std::string("Fallback"));
1247         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1248         if (!lid)
1249         {
1250             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1251         }
1252     }
1253
1254     auto rname = this->lookup_id(drawing_name);
1255     if (!rname)
1256     {
1257         // name does not exist yet, allocate surface id...
1258         auto id = int(this->id_alloc.generate_id(drawing_name));
1259         this->layers.add_surface(id, *lid);
1260
1261         // set the main_surface[_name] here and now
1262         if (!this->layers.main_surface_name.empty() &&
1263             this->layers.main_surface_name == drawing_name)
1264         {
1265             this->layers.main_surface = id;
1266             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1267         }
1268
1269         // add client into the db
1270         std::string appid_str(appid);
1271         std::string role(drawing_name);
1272         //g_app_list.addClient(appid_str, role);
1273         g_app_list.addClient(appid_str, *lid, id, role);
1274
1275         return Ok<int>(id);
1276     }
1277
1278     // Check currently registered drawing names if it is already there.
1279     return Err<int>("Surface already present");
1280 }
1281
1282 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1283                                      char const *ivi_id)
1284 {
1285     ST();
1286
1287     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1288     unsigned sid = std::stol(ivi_id);
1289
1290     if (!lid)
1291     {
1292         /**
1293        * register drawing_name as fallback and make it displayed.
1294        */
1295         lid = this->layers.get_layer_id(std::string("Fallback"));
1296         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1297         if (!lid)
1298         {
1299             return "Drawing name does not match any role, Fallback is disabled";
1300         }
1301     }
1302
1303     auto rname = this->lookup_id(drawing_name);
1304
1305     if (rname)
1306     {
1307         return "Surface already present";
1308     }
1309
1310     // register pair drawing_name and ivi_id
1311     this->id_alloc.register_name_id(drawing_name, sid);
1312     this->layers.add_surface(sid, *lid);
1313
1314     // this surface is already created
1315     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1316
1317     this->controller->layers[*lid]->add_surface(sid);
1318     this->layout_commit();
1319
1320     return nullptr;
1321 }
1322
1323 result<json_object *> App::api_get_display_info()
1324 {
1325     // Check controller
1326     if (!this->controller)
1327     {
1328         return Err<json_object *>("ivi_controller global not available");
1329     }
1330
1331     // Set display info
1332     compositor::size o_size = this->controller->output_size;
1333     compositor::size p_size = this->controller->physical_size;
1334
1335     json_object *object = json_object_new_object();
1336     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1337     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1338     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1339     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1340
1341     return Ok<json_object *>(object);
1342 }
1343
1344 result<json_object *> App::api_get_area_info(char const *drawing_name)
1345 {
1346     HMI_DEBUG("wm", "called");
1347
1348     // Check drawing name, surface/layer id
1349     auto const &surface_id = this->lookup_id(drawing_name);
1350     if (!surface_id)
1351     {
1352         return Err<json_object *>("Surface does not exist");
1353     }
1354
1355     if (!this->controller->surface_exists(*surface_id))
1356     {
1357         return Err<json_object *>("Surface does not exist in controller!");
1358     }
1359
1360     auto layer_id = this->layers.get_layer_id(*surface_id);
1361     if (!layer_id)
1362     {
1363         return Err<json_object *>("Surface is not on any layer!");
1364     }
1365
1366     auto o_state = *this->layers.get_layout_state(*surface_id);
1367     if (o_state == nullptr)
1368     {
1369         return Err<json_object *>("Could not find layer for surface");
1370     }
1371
1372     struct LayoutState &state = *o_state;
1373     if ((state.main != *surface_id) && (state.sub != *surface_id))
1374     {
1375         return Err<json_object *>("Surface is inactive");
1376     }
1377
1378     // Set area rectangle
1379     compositor::rect area_info = this->area_info[*surface_id];
1380     json_object *object = json_object_new_object();
1381     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1382     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1383     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1384     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1385
1386     return Ok<json_object *>(object);
1387 }
1388
1389 void App::activate(int id)
1390 {
1391     auto ip = this->controller->sprops.find(id);
1392     if (ip != this->controller->sprops.end())
1393     {
1394         this->controller->surfaces[id]->set_visibility(1);
1395         char const *label =
1396             this->lookup_name(id).value_or("unknown-name").c_str();
1397
1398          // FOR CES DEMO >>>
1399         if ((0 == strcmp(label, "Radio"))       ||
1400             (0 == strcmp(label, "MediaPlayer")) ||
1401             (0 == strcmp(label, "Music"))       ||
1402             (0 == strcmp(label, "Navigation")))
1403         {
1404             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1405             {
1406                 if (id == *i)
1407                 {
1408                     // Remove id
1409                     this->surface_bg.erase(i);
1410
1411                     // Remove from BG layer (999)
1412                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1413                     this->controller->layers[999]->remove_surface(id);
1414
1415                     // Add to FG layer (1001)
1416                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1417                     this->controller->layers[1001]->add_surface(id);
1418
1419                     for (int j : this->surface_bg)
1420                     {
1421                         HMI_DEBUG("wm", "Stored id:%d", j);
1422                     }
1423                     break;
1424                 }
1425             }
1426         }
1427         // <<< FOR CES DEMO
1428         this->layout_commit();
1429
1430         this->emit_visible(label);
1431         this->emit_activated(label);
1432     }
1433 }
1434
1435 void App::deactivate(int id)
1436 {
1437     auto ip = this->controller->sprops.find(id);
1438     if (ip != this->controller->sprops.end())
1439     {
1440         char const *label =
1441             this->lookup_name(id).value_or("unknown-name").c_str();
1442
1443         // FOR CES DEMO >>>
1444         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1445         {
1446
1447             // Store id
1448             this->surface_bg.push_back(id);
1449
1450             // Remove from FG layer (1001)
1451             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1452             this->controller->layers[1001]->remove_surface(id);
1453
1454             // Add to BG layer (999)
1455             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1456             this->controller->layers[999]->add_surface(id);
1457
1458             for (int j : surface_bg)
1459             {
1460                 HMI_DEBUG("wm", "Stored id:%d", j);
1461             }
1462         }
1463         else
1464         {
1465             this->controller->surfaces[id]->set_visibility(0);
1466         }
1467         // <<< FOR CES DEMO
1468
1469         this->emit_deactivated(label);
1470         this->emit_invisible(label);
1471     }
1472 }
1473
1474 bool App::can_split(struct LayoutState const &state, int new_id)
1475 {
1476     if (state.main != -1 && state.main != new_id)
1477     {
1478         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1479         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1480
1481         // surfaces are on separate layers, don't bother.
1482         if (new_id_layer != current_id_layer)
1483         {
1484             return false;
1485         }
1486
1487         std::string const &new_id_str = this->lookup_name(new_id).value();
1488         std::string const &cur_id_str = this->lookup_name(state.main).value();
1489
1490         auto const &layer = this->layers.get_layer(new_id_layer);
1491
1492         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1493
1494         if (layer->layouts.empty())
1495         {
1496             return false;
1497         }
1498
1499         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1500         {
1501             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1502             auto rem = std::regex(i->main_match);
1503             if (std::regex_match(cur_id_str, rem))
1504             {
1505                 // build the second one only if the first already matched
1506                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1507                 auto res = std::regex(i->sub_match);
1508                 if (std::regex_match(new_id_str, res))
1509                 {
1510                     HMI_DEBUG("wm", "layout matched!");
1511                     return true;
1512                 }
1513             }
1514         }
1515     }
1516
1517     return false;
1518 }
1519
1520 /**
1521  * controller_hooks
1522  */
1523 void controller_hooks::surface_created(uint32_t surface_id)
1524 {
1525     this->app->surface_created(surface_id);
1526 }
1527
1528 void controller_hooks::surface_removed(uint32_t surface_id)
1529 {
1530     this->app->surface_removed(surface_id);
1531 }
1532
1533 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1534                                           uint32_t /*v*/) {}
1535
1536 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1537                                                      uint32_t /*x*/,
1538                                                      uint32_t /*y*/,
1539                                                      uint32_t /*w*/,
1540                                                      uint32_t /*h*/) {}
1541
1542 } // namespace wm