src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37
  38 #include "wm-client.hpp"
  39 #include "applist.hpp"
  40
  41 extern "C"
  42 {
  43 #include <systemd/sd-event.h>
  44 }
  45
  46 namespace wm
  47 {
  48
  49 const unsigned kTimeOut = 10000000UL; /* 10s */
  50
  51 /* DrawingArea name used by "{layout}.{area}" */
  52 const char kNameLayoutNormal[] = "normal";
  53 const char kNameLayoutSplit[] = "split";
  54 const char kNameAreaFull[] = "full";
  55 const char kNameAreaMain[] = "main";
  56 const char kNameAreaSub[] = "sub";
  57
  58 /* Key for json obejct */
  59 const char kKeyDrawingName[] = "drawing_name";
  60 const char kKeyDrawingArea[] = "drawing_area";
  61 const char kKeyDrawingRect[] = "drawing_rect";
  62 const char kKeyX[] = "x";
  63 const char kKeyY[] = "y";
  64 const char kKeyWidth[] = "width";
  65 const char kKeyHeight[] = "height";
  66 const char kKeyWidthPixel[] = "width_pixel";
  67 const char kKeyHeightPixel[] = "height_pixel";
  68 const char kKeyWidthMm[] = "width_mm";
  69 const char kKeyHeightMm[] = "height_mm";
  70
  71 static 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     g_app_list.next();
 128     g_app_list.reqDump();
 129     if (g_app_list.haveRequest())
 130     {
 131         this->process_request();
 132     }
 133 }
 134
 135 void App::removeClient(const std::string &appid)
 136 {
 137     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 138     g_app_list.removeClient(appid);
 139 }
 140
 141 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 142 {
 143     if(!g_app_list.contains(appid)){
 144         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 145         return false;
 146     }
 147     auto client = g_app_list.lookUpClient(appid);
 148     return client->subscribe(req, evname);
 149 }
 150
 151 /**
 152  * App Impl
 153  */
 154 App::App(wl::display *d)
 155     : chooks{this},
 156       display{d},
 157       controller{},
 158       outputs(),
 159       config(),
 160       layers(),
 161       id_alloc{},
 162       pending_events(false),
 163       policy{}
 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 int App::dispatch_pending_events()
 242 {
 243     if (this->pop_pending_events())
 244     {
 245         this->display->dispatch_pending();
 246         return 0;
 247     }
 248     return -1;
 249 }
 250
 251 bool App::pop_pending_events()
 252 {
 253     bool x{true};
 254     return this->pending_events.compare_exchange_strong(
 255         x, false, std::memory_order_consume);
 256 }
 257
 258 void App::set_pending_events()
 259 {
 260     this->pending_events.store(true, std::memory_order_release);
 261 }
 262
 263 optional<int> App::lookup_id(char const *name)
 264 {
 265     return this->id_alloc.lookup(std::string(name));
 266 }
 267 optional<std::string> App::lookup_name(int id)
 268 {
 269     return this->id_alloc.lookup(id);
 270 }
 271
 272 /**
 273  * init_layers()
 274  */
 275 int App::init_layers()
 276 {
 277     if (!this->controller)
 278     {
 279         HMI_ERROR("wm", "ivi_controller global not available");
 280         return -1;
 281     }
 282
 283     if (this->outputs.empty())
 284     {
 285         HMI_ERROR("wm", "no output was set up!");
 286         return -1;
 287     }
 288
 289     auto &c = this->controller;
 290
 291     auto &o = this->outputs.front();
 292     auto &s = c->screens.begin()->second;
 293     auto &layers = c->layers;
 294
 295     // Write output dimensions to ivi controller...
 296     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 297     c->physical_size = compositor::size{uint32_t(o->physical_width),
 298                                         uint32_t(o->physical_height)};
 299
 300     // Clear scene
 301     layers.clear();
 302
 303     // Clear screen
 304     s->clear();
 305
 306     // Quick and dirty setup of layers
 307     for (auto const &i : this->layers.mapping)
 308     {
 309         c->layer_create(i.second.layer_id, o->width, o->height);
 310         auto &l = layers[i.second.layer_id];
 311         l->set_destination_rectangle(0, 0, o->width, o->height);
 312         l->set_visibility(1);
 313         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 314                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 315     }
 316
 317     // Add layers to screen
 318     s->set_render_order(this->layers.layers);
 319
 320     this->layout_commit();
 321
 322     return 0;
 323 }
 324
 325 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 326 {
 327     if (!this->controller->surface_exists(surface_id))
 328     {
 329         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 330         return;
 331     }
 332
 333     auto o_layer_id = this->layers.get_layer_id(surface_id);
 334
 335     if (!o_layer_id)
 336     {
 337         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 338         return;
 339     }
 340
 341     uint32_t layer_id = *o_layer_id;
 342
 343     auto const &layer = this->layers.get_layer(layer_id);
 344     auto rect = layer.value().rect;
 345     auto &s = this->controller->surfaces[surface_id];
 346
 347     int x = rect.x;
 348     int y = rect.y;
 349     int w = rect.w;
 350     int h = rect.h;
 351
 352     // less-than-0 values refer to MAX + 1 - $VALUE
 353     // e.g. MAX is either screen width or height
 354     if (w < 0)
 355     {
 356         w = this->controller->output_size.w + 1 + w;
 357     }
 358     if (h < 0)
 359     {
 360         h = this->controller->output_size.h + 1 + h;
 361     }
 362
 363     if (sub_surface_id)
 364     {
 365         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
 366         {
 367             HMI_ERROR("wm",
 368                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
 369                       surface_id, *sub_surface_id);
 370             return;
 371         }
 372
 373         int x_off = 0;
 374         int y_off = 0;
 375
 376         // split along major axis
 377         if (w > h)
 378         {
 379             w /= 2;
 380             x_off = w;
 381         }
 382         else
 383         {
 384             h /= 2;
 385             y_off = h;
 386         }
 387
 388         auto &ss = this->controller->surfaces[*sub_surface_id];
 389
 390         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
 391                   *sub_surface_id, layer_id);
 392
 393         // set destination to the display rectangle
 394         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 395
 396         this->area_info[*sub_surface_id].x = x;
 397         this->area_info[*sub_surface_id].y = y;
 398         this->area_info[*sub_surface_id].w = w;
 399         this->area_info[*sub_surface_id].h = h;
 400     }
 401
 402     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 403               layer_id);
 404
 405     // set destination to the display rectangle
 406     s->set_destination_rectangle(x, y, w, h);
 407
 408     // update area information
 409     this->area_info[surface_id].x = x;
 410     this->area_info[surface_id].y = y;
 411     this->area_info[surface_id].w = w;
 412     this->area_info[surface_id].h = h;
 413
 414     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 415               surface_id, layer_id, x, y, w, h);
 416 }
 417
 418 void App::layout_commit()
 419 {
 420     this->controller->commit_changes();
 421     this->display->flush();
 422 }
 423
 424 void App::set_timer()
 425 {
 426     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 427     if (g_timer_ev_src == nullptr)
 428     {
 429         // firsttime set into sd_event
 430         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 431                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 432         if (ret < 0)
 433         {
 434             HMI_ERROR("wm", "Could't set timer");
 435         }
 436     }
 437     else
 438     {
 439         // update timer limitation after second time
 440         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 441         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 442     }
 443 }
 444
 445 void App::stop_timer()
 446 {
 447     unsigned req_num = g_app_list.currentRequestNumber();
 448     HMI_SEQ_DEBUG(req_num, "Timer stop");
 449     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 450     if (rc < 0)
 451     {
 452         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 453     }
 454 }
 455
 456 WMError App::lm_release(const struct WMAction &action)
 457 {
 458     //auto const &surface_id = this->lookup_id(drawing_name);
 459     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 460     unsigned req_num = g_app_list.currentRequestNumber();
 461     auto const &surface_id = this->lookup_id(action.role.c_str());
 462     if (!surface_id)
 463     {
 464         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 465         return ret;
 466     }
 467
 468     if (*surface_id == this->layers.main_surface)
 469     {
 470         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 471         return ret;
 472     }
 473
 474     auto o_state = *this->layers.get_layout_state(*surface_id);
 475
 476     if (o_state == nullptr)
 477     {
 478         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 479         return ret;
 480     }
 481
 482     struct LayoutState &state = *o_state;
 483
 484     if (state.main == -1)
 485     {
 486         HMI_SEQ_ERROR(req_num, "No surface active");
 487         return ret;
 488     }
 489
 490     // Check against main_surface, main_surface_name is the configuration item.
 491     if (*surface_id == this->layers.main_surface)
 492     {
 493         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 494         //reply(nullptr);
 495         return WMError::SUCCESS;
 496     }
 497     if ((state.main == *surface_id) && (state.sub == *surface_id))
 498     {
 499         HMI_SEQ_ERROR(req_num, "Surface is not active");
 500         return ret;
 501     }
 502
 503     if (state.main == *surface_id)
 504     {
 505         if (state.sub != -1)
 506         {
 507             this->try_layout(
 508                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 509                     std::string sub = std::move(*this->lookup_name(state.sub));
 510
 511                     this->deactivate(*surface_id);
 512                     this->surface_set_layout(state.sub);
 513                     state = nl;
 514
 515                     this->layout_commit();
 516                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 517                     compositor::rect area_rect = this->area_info[state.sub];
 518                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 519                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 520                     this->enqueue_flushdraw(state.sub);
 521                 });
 522         }
 523         else
 524         {
 525             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 526                 this->deactivate(*surface_id);
 527                 state = nl;
 528                 this->layout_commit();
 529             });
 530         }
 531     }
 532     else if (state.sub == *surface_id)
 533     {
 534         this->try_layout(
 535             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 536                 std::string main = std::move(*this->lookup_name(state.main));
 537
 538                 this->deactivate(*surface_id);
 539                 this->surface_set_layout(state.main);
 540                 state = nl;
 541
 542                 this->layout_commit();
 543                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 544                 compositor::rect area_rect = this->area_info[state.main];
 545                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 546                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 547                 this->enqueue_flushdraw(state.main);
 548             });
 549     }
 550     return WMError::SUCCESS;
 551 }
 552
 553 WMError App::lm_layout_change(const struct WMAction &action)
 554 {
 555     const char *msg = this->check_surface_exist(action.role.c_str());
 556
 557     /*
 558     lm_.updateLayout(action);
 559     TODO: emit syncDraw with application*/
 560     if (msg)
 561     {
 562         HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), msg);
 563         return WMError::LAYOUT_CHANGE_FAIL;
 564     }
 565     this->lm_layout_change(action.role.c_str());
 566     return WMError::SUCCESS;
 567 }
 568
 569 WMError App::do_transition(unsigned req_num)
 570 {
 571     /*
 572     * Check Policy
 573     */
 574     // get current trigger
 575     auto trigger = g_app_list.getRequest(req_num);
 576     bool is_activate = true;
 577
 578     /*  get new status from Policy Manager
 579
 580     (json_object*?) newLayout = checkPolicy(trigger);
 581     (vector<struct WMAction>&) auto actions = translator.inputActionFromLayout(newLayout, currentLayout)
 582     for(const auto& x : actions){
 583         g_app_list.setAciton(req_num, x)
 584     }
 585
 586     or
 587
 588     translator.inputActionFromLayout(newLayout, currentLayout, &g_app_list, req_num);
 589
 590     /* The following error check is not necessary because main.cpp will reject the message form not registered object
 591    } */
 592     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 593
 594     if (trigger.task == Task::TASK_RELEASE)
 595     {
 596         is_activate = false;
 597     }
 598     WMError ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
 599     g_app_list.reqDump();
 600
 601     if (ret != WMError::SUCCESS)
 602     {
 603         HMI_SEQ_ERROR(req_num, "Failed to set action");
 604         return ret;
 605     }
 606
 607     // layer manager task
 608     bool sync_draw_happen = false;
 609     for (const auto &y : g_app_list.getActions(req_num))
 610     {
 611         /*
 612         do_task(y);
 613         */
 614         /*  TODO
 615            but current we can't do do_task,
 616            so divide the processing into lm_layout_change and lm_release
 617         */
 618         if (y.visible)
 619         {
 620             sync_draw_happen = true;
 621             ret = lm_layout_change(y);
 622             if (ret != WMError::SUCCESS)
 623             {
 624                 HMI_SEQ_ERROR(req_num, "%s: appid: %s, role: %s, area: %s",
 625                     errorDescription(ret), y.appid.c_str(), y.role.c_str(), y.area.c_str());
 626                 g_app_list.removeRequest(req_num);
 627                 break;
 628                 // TODO: if transition fails, what should we do?
 629             }
 630             /* g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 631         }
 632         else
 633         {
 634             ret = lm_release(y);
 635             if (!ret)
 636             {
 637                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
 638                 g_app_list.removeRequest(req_num);
 639                 break;
 640                 // TODO: if transition fails, what should we do?
 641             }
 642             /* g_app_list.lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
 643         }
 644     }
 645
 646     if (ret != WMError::SUCCESS)
 647     {
 648         //this->emit_error(req_num, 0 /*error_num*/, "error happens"); // test
 649     }
 650     else if (sync_draw_happen)
 651     {
 652         this->set_timer();
 653     }
 654     else
 655     {
 656         g_app_list.removeRequest(req_num); // HACK!!!
 657     }
 658     return ret;
 659 }
 660
 661 void App::lm_layout_change(const char *drawing_name)
 662 {
 663     auto const &surface_id = this->lookup_id(drawing_name);
 664     auto layer_id = this->layers.get_layer_id(*surface_id);
 665     auto o_state = *this->layers.get_layout_state(*surface_id);
 666     struct LayoutState &state = *o_state;
 667
 668     // disable layers that are above our current layer
 669     for (auto const &l : this->layers.mapping)
 670     {
 671         if (l.second.layer_id <= *layer_id)
 672         {
 673             continue;
 674         }
 675
 676         bool flush = false;
 677         if (l.second.state.main != -1)
 678         {
 679             this->deactivate(l.second.state.main);
 680             l.second.state.main = -1;
 681             flush = true;
 682         }
 683
 684         if (l.second.state.sub != -1)
 685         {
 686             this->deactivate(l.second.state.sub);
 687             l.second.state.sub = -1;
 688             flush = true;
 689         }
 690
 691         if (flush)
 692         {
 693             this->layout_commit();
 694         }
 695     }
 696
 697     auto layer = this->layers.get_layer(*layer_id);
 698
 699     if (state.main == -1)
 700     {
 701         this->try_layout(
 702             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 703                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 704                 this->surface_set_layout(*surface_id);
 705                 state = nl;
 706
 707                 // Commit for configuraton
 708                 this->layout_commit();
 709
 710                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 711                 compositor::rect area_rect = this->area_info[*surface_id];
 712                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 713                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 714                 this->enqueue_flushdraw(state.main);
 715             });
 716     }
 717     else
 718     {
 719         if (0 == strcmp(drawing_name, "HomeScreen"))
 720         {
 721             this->try_layout(
 722                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 723                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 724                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 725                     compositor::rect area_rect = this->area_info[*surface_id];
 726                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 727                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 728                     this->enqueue_flushdraw(state.main);
 729                 });
 730         }
 731         else
 732         {
 733             bool can_split = this->can_split(state, *surface_id);
 734
 735             if (can_split)
 736             {
 737                 this->try_layout(
 738                     state,
 739                     LayoutState{state.main, *surface_id},
 740                     [&](LayoutState const &nl) {
 741                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 742                         std::string main =
 743                             std::move(*this->lookup_name(state.main));
 744
 745                         this->surface_set_layout(state.main, surface_id);
 746                         if (state.sub != *surface_id)
 747                         {
 748                             if (state.sub != -1)
 749                             {
 750                                 this->deactivate(state.sub);
 751                             }
 752                         }
 753                         state = nl;
 754
 755                         // Commit for configuration and visibility(0)
 756                         this->layout_commit();
 757
 758                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 759                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 760                         compositor::rect area_rect_main = this->area_info[state.main];
 761                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 762                         // >>> HACK
 763                         HMI_WARNING("wm", "HACK!!! mediaplayer and hvac is only supported for split");
 764                         std::string request_role = drawing_name;
 765                         //std::string request_app = transform(request_role.begin(), request_role.end(), request_role.begin(), tolower); //hvac or mediaplayer
 766                         std::string hack_appid = "navigation";
 767                         std::string hack_role = main;
 768                         std::string hack_area = str_area_main;
 769                         g_app_list.setAction(g_app_list.currentRequestNumber(), hack_appid, hack_role, hack_area, true);
 770                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), request_role, request_role);
 771                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), hack_appid, hack_role); // This process is illegal
 772                         // >>> HACK
 773                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 774                                             area_rect_main.x, area_rect_main.y,
 775                                             area_rect_main.w, area_rect_main.h);
 776                         this->emit_syncdraw(request_role.c_str(), str_area_sub.c_str(),
 777                                             area_rect_sub.x, area_rect_sub.y,
 778                                             area_rect_sub.w, area_rect_sub.h);
 779                         this->enqueue_flushdraw(state.main);
 780                         this->enqueue_flushdraw(state.sub);
 781                     });
 782             }
 783             else
 784             {
 785                 this->try_layout(
 786                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 787                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 788
 789                         this->surface_set_layout(*surface_id);
 790                         if (state.main != *surface_id)
 791                         {
 792                             this->deactivate(state.main);
 793                         }
 794                         if (state.sub != -1)
 795                         {
 796                             if (state.sub != *surface_id)
 797                             {
 798                                 this->deactivate(state.sub);
 799                             }
 800                         }
 801                         state = nl;
 802
 803                         // Commit for configuraton and visibility(0)
 804                         this->layout_commit();
 805
 806                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 807                         compositor::rect area_rect = this->area_info[*surface_id];
 808                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 809                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 810                         this->enqueue_flushdraw(state.main);
 811                     });
 812             }
 813         }
 814     }
 815 }
 816
 817 const char *App::check_surface_exist(const char *drawing_name)
 818 {
 819     auto const &surface_id = this->lookup_id(drawing_name);
 820     if (!surface_id)
 821     {
 822         //reply("Surface does not exist");
 823         return "Surface does not exist";
 824     }
 825
 826     if (!this->controller->surface_exists(*surface_id))
 827     {
 828         //reply("Surface does not exist in controller!");
 829         return "Surface does not exist in controller!";
 830     }
 831
 832     auto layer_id = this->layers.get_layer_id(*surface_id);
 833
 834     if (!layer_id)
 835     {
 836         //reply("Surface is not on any layer!");
 837         return "Surface is not on any layer!";
 838     }
 839
 840     auto o_state = *this->layers.get_layout_state(*surface_id);
 841
 842     if (o_state == nullptr)
 843     {
 844         //reply("Could not find layer for surface");
 845         return "Could not find layer for surface";
 846     }
 847
 848     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 849     return nullptr;
 850     //reply(nullptr);
 851 }
 852
 853 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 854 {
 855     ST();
 856
 857     /*
 858    * Check Phase
 859    */
 860
 861     std::string id = appid;
 862     std::string role = drawing_name;
 863     std::string area = drawing_area;
 864
 865     if (!g_app_list.contains(id))
 866     {
 867         reply("app doesn't request 'requestSurface' yet");
 868         return;
 869     }
 870
 871     auto client = g_app_list.lookUpClient(id);
 872
 873     /*
 874    * Queueing Phase
 875    */
 876     unsigned current = g_app_list.currentRequestNumber();
 877     unsigned requested_num = g_app_list.getRequestNumber(id);
 878     if (requested_num != 0)
 879     {
 880         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 881         reply("already requested");
 882         return;
 883     }
 884
 885     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
 886     unsigned new_req = g_app_list.addAllocateRequest(req);
 887     g_app_list.reqDump();
 888
 889     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 890
 891     reply(nullptr);
 892     if (new_req != current)
 893     {
 894         // Add request, then invoked after the previous task is finished
 895         HMI_SEQ_DEBUG(new_req, "request is accepted");
 896         return;
 897     }
 898
 899     /*
 900     * Do allocate tasks
 901     */
 902     WMError ret = this->do_transition(new_req);
 903
 904     if (ret != WMError::SUCCESS)
 905     {
 906         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 907         //this->emit_error()
 908     }
 909 }
 910
 911 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 912 {
 913     ST();
 914
 915     /*
 916    * Check Phase
 917    */
 918     std::string id = appid;
 919     std::string role = drawing_name;
 920     std::string area = ""; //drawing_area;
 921
 922     if (!g_app_list.contains(id))
 923     {
 924         reply("app doesn't request 'requestSurface' yet");
 925         return;
 926     }
 927     auto client = g_app_list.lookUpClient(id);
 928
 929     /*
 930    * Queueing Phase
 931    */
 932     unsigned current = g_app_list.currentRequestNumber();
 933     unsigned requested_num = g_app_list.getRequestNumber(id);
 934     if (requested_num != 0)
 935     {
 936         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 937         reply("already requested");
 938         return;
 939     }
 940
 941     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 942     unsigned new_req = g_app_list.addAllocateRequest(req);
 943     g_app_list.reqDump();
 944
 945     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 946
 947     reply(nullptr);
 948     if (new_req != current)
 949     {
 950         // Add request, then invoked after the previous task is finished
 951         HMI_SEQ_DEBUG(new_req, "request is accepted");
 952         return;
 953     }
 954
 955     /*
 956     * Do allocate tasks
 957     */
 958     WMError ret = this->do_transition(new_req);
 959
 960     if (ret != WMError::SUCCESS)
 961     {
 962         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 963         //this->emit_error()
 964     }
 965 }
 966
 967 void App::enqueue_flushdraw(int surface_id)
 968 {
 969     this->check_flushdraw(surface_id);
 970     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 971     this->pending_end_draw.push_back(surface_id);
 972 }
 973
 974 void App::check_flushdraw(int surface_id)
 975 {
 976     auto i = std::find(std::begin(this->pending_end_draw),
 977                        std::end(this->pending_end_draw), surface_id);
 978     if (i != std::end(this->pending_end_draw))
 979     {
 980         auto n = this->lookup_name(surface_id);
 981         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 982                   n ? n->c_str() : "unknown-name", surface_id);
 983         std::swap(this->pending_end_draw[std::distance(
 984                       std::begin(this->pending_end_draw), i)],
 985                   this->pending_end_draw.back());
 986         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 987     }
 988 }
 989
 990 void App::lm_enddraw(const char *drawing_name)
 991 {
 992     HMI_DEBUG("wm", "end draw %s", drawing_name);
 993     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
 994     {
 995         auto n = this->lookup_name(this->pending_end_draw[i]);
 996         if (n && *n == drawing_name)
 997         {
 998             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 999             this->pending_end_draw.resize(iend - 1);
1000             this->activate(this->pending_end_draw[i]);
1001             this->emit_flushdraw(drawing_name);
1002         }
1003     }
1004 }
1005
1006 void App::do_enddraw(unsigned req_num)
1007 {
1008     // get actions
1009     auto actions = g_app_list.getActions(req_num);
1010     HMI_SEQ_INFO(req_num, "do endDraw");
1011
1012     for (const auto &act : actions)
1013     {
1014         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1015         this->lm_enddraw(act.role.c_str());
1016     }
1017
1018     HMI_SEQ_INFO(req_num, "emit flushDraw");
1019     /*     do
1020     {
1021         // emit flush Draw
1022         //emitFlushDrawToAll(&g_app_list, req_num);
1023         // emit status change event
1024     } while (!g_app_list.requestFinished());*/
1025 }
1026
1027 void App::process_request()
1028 {
1029     unsigned req = g_app_list.currentRequestNumber();
1030     HMI_SEQ_DEBUG(req, "Do next request");
1031     WMError rc = do_transition(req);
1032     if(rc != WMError::SUCCESS){
1033         HMI_SEQ_ERROR(req, errorDescription(rc));
1034     }
1035 }
1036
1037 void App::api_enddraw(char const *appid, char const *drawing_name)
1038 {
1039     std::string id(appid);
1040     std::string role(drawing_name);
1041     unsigned current_req = g_app_list.currentRequestNumber();
1042     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1043
1044     if (!result)
1045     {
1046         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1047         return;
1048     }
1049
1050     if (g_app_list.endDrawFullfilled(current_req))
1051     {
1052         // do task for endDraw
1053         //this->stop_timer();
1054         this->do_enddraw(current_req);
1055
1056         this->stop_timer();
1057
1058         g_app_list.removeRequest(current_req);
1059         HMI_SEQ_INFO(current_req, "Finish request");
1060         g_app_list.next();
1061         if (g_app_list.haveRequest())
1062         {
1063             this->process_request();
1064         }
1065     }
1066     else
1067     {
1068         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1069         return;
1070     }
1071 }
1072
1073 void App::api_ping() { this->dispatch_pending_events(); }
1074
1075 void App::send_event(char const *evname, char const *label)
1076 {
1077     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1078
1079     json_object *j = json_object_new_object();
1080     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1081
1082     int ret = afb_event_push(this->map_afb_event[evname], j);
1083     if (ret != 0)
1084     {
1085         HMI_DEBUG("wm", "afb_event_push failed: %m");
1086     }
1087 }
1088
1089 void App::send_event(char const *evname, char const *label, char const *area,
1090                      int x, int y, int w, int h)
1091 {
1092     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1093               __func__, evname, label, area, x, y, w, h);
1094
1095     json_object *j_rect = json_object_new_object();
1096     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1097     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1098     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1099     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1100
1101     json_object *j = json_object_new_object();
1102     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1103     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1104     json_object_object_add(j, kKeyDrawingRect, j_rect);
1105
1106     int ret = afb_event_push(this->map_afb_event[evname], j);
1107     if (ret != 0)
1108     {
1109         HMI_DEBUG("wm", "afb_event_push failed: %m");
1110     }
1111 }
1112
1113 /**
1114  * proxied events
1115  */
1116 void App::surface_created(uint32_t surface_id)
1117 {
1118     auto layer_id = this->layers.get_layer_id(surface_id);
1119     if (!layer_id)
1120     {
1121         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1122                   surface_id);
1123         return;
1124     }
1125
1126     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1127
1128     this->controller->layers[*layer_id]->add_surface(surface_id);
1129     this->layout_commit();
1130     // activate the main_surface right away
1131     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1132       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1133
1134       this->api_activate_surface(
1135          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1136    }*/
1137
1138     // search pid from surfaceID
1139
1140     // pick up appid from pid from application manager
1141
1142     // check appid then add it to the client
1143 }
1144
1145 void App::surface_removed(uint32_t surface_id)
1146 {
1147     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1148
1149     g_app_list.removeSurface(surface_id);
1150 }
1151
1152 void App::emit_activated(char const *label)
1153 {
1154     this->send_event(kListEventName[Event_Active], label);
1155 }
1156
1157 void App::emit_deactivated(char const *label)
1158 {
1159     this->send_event(kListEventName[Event_Inactive], label);
1160 }
1161
1162 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1163 {
1164     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1165 }
1166
1167 void App::emit_flushdraw(char const *label)
1168 {
1169     this->send_event(kListEventName[Event_FlushDraw], label);
1170 }
1171
1172 void App::emit_visible(char const *label, bool is_visible)
1173 {
1174     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1175 }
1176
1177 void App::emit_invisible(char const *label)
1178 {
1179     return emit_visible(label, false);
1180 }
1181
1182 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1183
1184 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1185 {
1186     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1187     if (!lid)
1188     {
1189         /**
1190        * register drawing_name as fallback and make it displayed.
1191        */
1192         lid = this->layers.get_layer_id(std::string("Fallback"));
1193         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1194         if (!lid)
1195         {
1196             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1197         }
1198     }
1199
1200     auto rname = this->lookup_id(drawing_name);
1201     if (!rname)
1202     {
1203         // name does not exist yet, allocate surface id...
1204         auto id = int(this->id_alloc.generate_id(drawing_name));
1205         this->layers.add_surface(id, *lid);
1206
1207         // set the main_surface[_name] here and now
1208         if (!this->layers.main_surface_name.empty() &&
1209             this->layers.main_surface_name == drawing_name)
1210         {
1211             this->layers.main_surface = id;
1212             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1213         }
1214
1215         // add client into the db
1216         std::string appid_str(appid);
1217         std::string role(drawing_name);
1218         //g_app_list.addClient(appid_str, role);
1219         g_app_list.addClient(appid_str, *lid, id, role);
1220
1221         return Ok<int>(id);
1222     }
1223
1224     // Check currently registered drawing names if it is already there.
1225     return Err<int>("Surface already present");
1226 }
1227
1228 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1229                                      char const *ivi_id)
1230 {
1231     ST();
1232
1233     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1234     unsigned sid = std::stol(ivi_id);
1235
1236     if (!lid)
1237     {
1238         /**
1239        * register drawing_name as fallback and make it displayed.
1240        */
1241         lid = this->layers.get_layer_id(std::string("Fallback"));
1242         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1243         if (!lid)
1244         {
1245             return "Drawing name does not match any role, Fallback is disabled";
1246         }
1247     }
1248
1249     auto rname = this->lookup_id(drawing_name);
1250
1251     if (rname)
1252     {
1253         return "Surface already present";
1254     }
1255
1256     // register pair drawing_name and ivi_id
1257     this->id_alloc.register_name_id(drawing_name, sid);
1258     this->layers.add_surface(sid, *lid);
1259
1260     // this surface is already created
1261     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1262
1263     this->controller->layers[*lid]->add_surface(sid);
1264     this->layout_commit();
1265
1266     return nullptr;
1267 }
1268
1269 void App::api_set_role(char const *appid, char const *drawing_name, unsigned pid){
1270     std::string id = appid;
1271     std::string role = drawing_name;
1272 }
1273
1274 result<json_object *> App::api_get_display_info()
1275 {
1276     // Check controller
1277     if (!this->controller)
1278     {
1279         return Err<json_object *>("ivi_controller global not available");
1280     }
1281
1282     // Set display info
1283     compositor::size o_size = this->controller->output_size;
1284     compositor::size p_size = this->controller->physical_size;
1285
1286     json_object *object = json_object_new_object();
1287     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1288     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1289     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1290     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1291
1292     return Ok<json_object *>(object);
1293 }
1294
1295 result<json_object *> App::api_get_area_info(char const *drawing_name)
1296 {
1297     HMI_DEBUG("wm", "called");
1298
1299     // Check drawing name, surface/layer id
1300     auto const &surface_id = this->lookup_id(drawing_name);
1301     if (!surface_id)
1302     {
1303         return Err<json_object *>("Surface does not exist");
1304     }
1305
1306     if (!this->controller->surface_exists(*surface_id))
1307     {
1308         return Err<json_object *>("Surface does not exist in controller!");
1309     }
1310
1311     auto layer_id = this->layers.get_layer_id(*surface_id);
1312     if (!layer_id)
1313     {
1314         return Err<json_object *>("Surface is not on any layer!");
1315     }
1316
1317     auto o_state = *this->layers.get_layout_state(*surface_id);
1318     if (o_state == nullptr)
1319     {
1320         return Err<json_object *>("Could not find layer for surface");
1321     }
1322
1323     struct LayoutState &state = *o_state;
1324     if ((state.main != *surface_id) && (state.sub != *surface_id))
1325     {
1326         return Err<json_object *>("Surface is inactive");
1327     }
1328
1329     // Set area rectangle
1330     compositor::rect area_info = this->area_info[*surface_id];
1331     json_object *object = json_object_new_object();
1332     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1333     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1334     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1335     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1336
1337     return Ok<json_object *>(object);
1338 }
1339
1340 void App::activate(int id)
1341 {
1342     auto ip = this->controller->sprops.find(id);
1343     if (ip != this->controller->sprops.end())
1344     {
1345         this->controller->surfaces[id]->set_visibility(1);
1346         char const *label =
1347             this->lookup_name(id).value_or("unknown-name").c_str();
1348
1349         // FOR CES DEMO >>>
1350         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1351         {
1352             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1353             {
1354                 if (id == *i)
1355                 {
1356                     // Remove id
1357                     this->surface_bg.erase(i);
1358
1359                     // Remove from BG layer (999)
1360                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1361                     this->controller->layers[999]->remove_surface(id);
1362
1363                     // Add to FG layer (1001)
1364                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1365                     this->controller->layers[1001]->add_surface(id);
1366
1367                     for (int j : this->surface_bg)
1368                     {
1369                         HMI_DEBUG("wm", "Stored id:%d", j);
1370                     }
1371                     break;
1372                 }
1373             }
1374         }
1375         // <<< FOR CES DEMO
1376         this->layout_commit();
1377
1378         this->emit_visible(label);
1379         this->emit_activated(label);
1380     }
1381 }
1382
1383 void App::deactivate(int id)
1384 {
1385     auto ip = this->controller->sprops.find(id);
1386     if (ip != this->controller->sprops.end())
1387     {
1388         char const *label =
1389             this->lookup_name(id).value_or("unknown-name").c_str();
1390
1391         // FOR CES DEMO >>>
1392         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1393         {
1394
1395             // Store id
1396             this->surface_bg.push_back(id);
1397
1398             // Remove from FG layer (1001)
1399             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1400             this->controller->layers[1001]->remove_surface(id);
1401
1402             // Add to BG layer (999)
1403             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1404             this->controller->layers[999]->add_surface(id);
1405
1406             for (int j : surface_bg)
1407             {
1408                 HMI_DEBUG("wm", "Stored id:%d", j);
1409             }
1410         }
1411         else
1412         {
1413             this->controller->surfaces[id]->set_visibility(0);
1414         }
1415         // <<< FOR CES DEMO
1416
1417         this->emit_deactivated(label);
1418         this->emit_invisible(label);
1419     }
1420 }
1421
1422 void App::deactivate_main_surface()
1423 {
1424     this->layers.main_surface = -1;
1425     std::string appid = "HomeScreen";
1426     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1427 }
1428
1429 bool App::can_split(struct LayoutState const &state, int new_id)
1430 {
1431     if (state.main != -1 && state.main != new_id)
1432     {
1433         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1434         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1435
1436         // surfaces are on separate layers, don't bother.
1437         if (new_id_layer != current_id_layer)
1438         {
1439             return false;
1440         }
1441
1442         std::string const &new_id_str = this->lookup_name(new_id).value();
1443         std::string const &cur_id_str = this->lookup_name(state.main).value();
1444
1445         auto const &layer = this->layers.get_layer(new_id_layer);
1446
1447         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1448
1449         if (layer->layouts.empty())
1450         {
1451             return false;
1452         }
1453
1454         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1455         {
1456             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1457             auto rem = std::regex(i->main_match);
1458             if (std::regex_match(cur_id_str, rem))
1459             {
1460                 // build the second one only if the first already matched
1461                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1462                 auto res = std::regex(i->sub_match);
1463                 if (std::regex_match(new_id_str, res))
1464                 {
1465                     HMI_DEBUG("wm", "layout matched!");
1466                     return true;
1467                 }
1468             }
1469         }
1470     }
1471
1472     return false;
1473 }
1474
1475 void App::try_layout(struct LayoutState & /*state*/,
1476                      struct LayoutState const &new_layout,
1477                      std::function<void(LayoutState const &nl)> apply)
1478 {
1479     if (this->policy.layout_is_valid(new_layout))
1480     {
1481         apply(new_layout);
1482     }
1483 }
1484
1485 /**
1486  * controller_hooks
1487  */
1488 void controller_hooks::surface_created(uint32_t surface_id)
1489 {
1490     this->app->surface_created(surface_id);
1491 }
1492
1493 void controller_hooks::surface_removed(uint32_t surface_id)
1494 {
1495     this->app->surface_removed(surface_id);
1496 }
1497
1498 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1499                                           uint32_t /*v*/) {}
1500
1501 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1502                                                      uint32_t /*x*/,
1503                                                      uint32_t /*y*/,
1504                                                      uint32_t /*w*/,
1505                                                      uint32_t /*h*/) {}
1506
1507 } // namespace wm