src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37
  38 #include "wm-client.hpp"
  39 #include "applist.hpp"
  40
  41 extern "C"
  42 {
  43 #include <systemd/sd-event.h>
  44 }
  45
  46 namespace wm
  47 {
  48
  49 const unsigned TIME_OUT = 10000000UL; /* 10s */
  50
  51 /* DrawingArea name used by "{layout}.{area}" */
  52 const char kNameLayoutNormal[] = "normal";
  53 const char kNameLayoutSplit[] = "split";
  54 const char kNameAreaFull[] = "full";
  55 const char kNameAreaMain[] = "main";
  56 const char kNameAreaSub[] = "sub";
  57
  58 /* Key for json obejct */
  59 const char kKeyDrawingName[] = "drawing_name";
  60 const char kKeyDrawingArea[] = "drawing_area";
  61 const char kKeyDrawingRect[] = "drawing_rect";
  62 const char kKeyX[] = "x";
  63 const char kKeyY[] = "y";
  64 const char kKeyWidth[] = "width";
  65 const char kKeyHeight[] = "height";
  66 const char kKeyWidthPixel[] = "width_pixel";
  67 const char kKeyHeightPixel[] = "height_pixel";
  68 const char kKeyWidthMm[] = "width_mm";
  69 const char kKeyHeightMm[] = "height_mm";
  70
  71 static const std::string task_allocate = "allocate";
  72 static const std::string task_release = "release";
  73 static sd_event_source *timer_ev_src = nullptr;
  74
  75 static AppList app_list;
  76
  77 namespace
  78 {
  79
  80 using nlohmann::json;
  81
  82 result<json> file_to_json(char const *filename)
  83 {
  84     json j;
  85     std::ifstream i(filename);
  86     if (i.fail())
  87     {
  88         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  89         j = default_layers_json;
  90     }
  91     else
  92     {
  93         i >> j;
  94     }
  95
  96     return Ok(j);
  97 }
  98
  99 struct result<layer_map> load_layer_map(char const *filename)
 100 {
 101     HMI_DEBUG("wm", "loading IDs from %s", filename);
 102
 103     auto j = file_to_json(filename);
 104     if (j.is_err())
 105     {
 106         return Err<layer_map>(j.unwrap_err());
 107     }
 108     json jids = j.unwrap();
 109
 110     return to_layer_map(jids);
 111 }
 112
 113 static int
 114 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 115 {
 116     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
 117     reinterpret_cast<wm::App *>(userdata)->timerHandler();
 118     return 0;
 119 }
 120
 121 } // namespace
 122
 123 void App::timerHandler()
 124 {
 125     unsigned seq = app_list.currentSequenceNumber();
 126     HMI_SEQ_DEBUG(seq, "Timer expired, remove Request");
 127     app_list.req_dump();
 128     app_list.removeRequest(seq);
 129     app_list.next();
 130     app_list.req_dump();
 131     if (app_list.haveRequest())
 132     {
 133         this->process_request();
 134     }
 135 }
 136
 137 void App::removeClient(const std::string &appid)
 138 {
 139     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 140     app_list.removeClient(appid);
 141 }
 142
 143 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 144 {
 145     if(app_list.contains(appid) != WMError::SUCCESS){
 146         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 147         return false;
 148     }
 149     auto client = app_list.lookUpClient(appid);
 150     return client->subscribe(req, evname);
 151 }
 152
 153 /**
 154  * App Impl
 155  */
 156 App::App(wl::display *d)
 157     : chooks{this},
 158       display{d},
 159       controller{},
 160       outputs(),
 161       config(),
 162       layers(),
 163       id_alloc{},
 164       pending_events(false),
 165       policy{}
 166 {
 167     try
 168     {
 169         {
 170             auto l = load_layer_map(
 171                 this->config.get_string("layers.json").value().c_str());
 172             if (l.is_ok())
 173             {
 174                 this->layers = l.unwrap();
 175             }
 176             else
 177             {
 178                 HMI_ERROR("wm", "%s", l.err().value());
 179             }
 180         }
 181     }
 182     catch (std::exception &e)
 183     {
 184         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 185     }
 186 }
 187
 188 int App::init()
 189 {
 190     if (!this->display->ok())
 191     {
 192         return -1;
 193     }
 194
 195     if (this->layers.mapping.empty())
 196     {
 197         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 198         return -1;
 199     }
 200
 201     // Make afb event
 202     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 203     {
 204         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 205     }
 206
 207     this->display->add_global_handler(
 208         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 209             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 210         });
 211
 212     this->display->add_global_handler(
 213         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 214             this->controller =
 215                 std::make_unique<struct compositor::controller>(r, name, v);
 216
 217             // Init controller hooks
 218             this->controller->chooks = &this->chooks;
 219
 220             // This protocol needs the output, so lets just add our mapping here...
 221             this->controller->add_proxy_to_id_mapping(
 222                 this->outputs.back()->proxy.get(),
 223                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 224                     this->outputs.back()->proxy.get())));
 225
 226             // Create screen
 227             this->controller->create_screen(this->outputs.back()->proxy.get());
 228
 229             // Set display to controller
 230             this->controller->display = this->display;
 231         });
 232
 233     // First level objects
 234     this->display->roundtrip();
 235     // Second level objects
 236     this->display->roundtrip();
 237     // Third level objects
 238     this->display->roundtrip();
 239
 240     return init_layers();
 241 }
 242
 243 int App::dispatch_pending_events()
 244 {
 245     if (this->pop_pending_events())
 246     {
 247         this->display->dispatch_pending();
 248         return 0;
 249     }
 250     return -1;
 251 }
 252
 253 bool App::pop_pending_events()
 254 {
 255     bool x{true};
 256     return this->pending_events.compare_exchange_strong(
 257         x, false, std::memory_order_consume);
 258 }
 259
 260 void App::set_pending_events()
 261 {
 262     this->pending_events.store(true, std::memory_order_release);
 263 }
 264
 265 optional<int> App::lookup_id(char const *name)
 266 {
 267     return this->id_alloc.lookup(std::string(name));
 268 }
 269 optional<std::string> App::lookup_name(int id)
 270 {
 271     return this->id_alloc.lookup(id);
 272 }
 273
 274 /**
 275  * init_layers()
 276  */
 277 int App::init_layers()
 278 {
 279     if (!this->controller)
 280     {
 281         HMI_ERROR("wm", "ivi_controller global not available");
 282         return -1;
 283     }
 284
 285     if (this->outputs.empty())
 286     {
 287         HMI_ERROR("wm", "no output was set up!");
 288         return -1;
 289     }
 290
 291     auto &c = this->controller;
 292
 293     auto &o = this->outputs.front();
 294     auto &s = c->screens.begin()->second;
 295     auto &layers = c->layers;
 296
 297     // Write output dimensions to ivi controller...
 298     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 299     c->physical_size = compositor::size{uint32_t(o->physical_width),
 300                                         uint32_t(o->physical_height)};
 301
 302     // Clear scene
 303     layers.clear();
 304
 305     // Clear screen
 306     s->clear();
 307
 308     // Quick and dirty setup of layers
 309     for (auto const &i : this->layers.mapping)
 310     {
 311         c->layer_create(i.second.layer_id, o->width, o->height);
 312         auto &l = layers[i.second.layer_id];
 313         l->set_destination_rectangle(0, 0, o->width, o->height);
 314         l->set_visibility(1);
 315         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 316                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 317     }
 318
 319     // Add layers to screen
 320     s->set_render_order(this->layers.layers);
 321
 322     this->layout_commit();
 323
 324     return 0;
 325 }
 326
 327 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 328 {
 329     if (!this->controller->surface_exists(surface_id))
 330     {
 331         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 332         return;
 333     }
 334
 335     auto o_layer_id = this->layers.get_layer_id(surface_id);
 336
 337     if (!o_layer_id)
 338     {
 339         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 340         return;
 341     }
 342
 343     uint32_t layer_id = *o_layer_id;
 344
 345     auto const &layer = this->layers.get_layer(layer_id);
 346     auto rect = layer.value().rect;
 347     auto &s = this->controller->surfaces[surface_id];
 348
 349     int x = rect.x;
 350     int y = rect.y;
 351     int w = rect.w;
 352     int h = rect.h;
 353
 354     // less-than-0 values refer to MAX + 1 - $VALUE
 355     // e.g. MAX is either screen width or height
 356     if (w < 0)
 357     {
 358         w = this->controller->output_size.w + 1 + w;
 359     }
 360     if (h < 0)
 361     {
 362         h = this->controller->output_size.h + 1 + h;
 363     }
 364
 365     if (sub_surface_id)
 366     {
 367         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
 368         {
 369             HMI_ERROR("wm",
 370                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
 371                       surface_id, *sub_surface_id);
 372             return;
 373         }
 374
 375         int x_off = 0;
 376         int y_off = 0;
 377
 378         // split along major axis
 379         if (w > h)
 380         {
 381             w /= 2;
 382             x_off = w;
 383         }
 384         else
 385         {
 386             h /= 2;
 387             y_off = h;
 388         }
 389
 390         auto &ss = this->controller->surfaces[*sub_surface_id];
 391
 392         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
 393                   *sub_surface_id, layer_id);
 394
 395         // set destination to the display rectangle
 396         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 397
 398         this->area_info[*sub_surface_id].x = x;
 399         this->area_info[*sub_surface_id].y = y;
 400         this->area_info[*sub_surface_id].w = w;
 401         this->area_info[*sub_surface_id].h = h;
 402     }
 403
 404     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 405               layer_id);
 406
 407     // set destination to the display rectangle
 408     s->set_destination_rectangle(x, y, w, h);
 409
 410     // update area information
 411     this->area_info[surface_id].x = x;
 412     this->area_info[surface_id].y = y;
 413     this->area_info[surface_id].w = w;
 414     this->area_info[surface_id].h = h;
 415
 416     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 417               surface_id, layer_id, x, y, w, h);
 418 }
 419
 420 void App::layout_commit()
 421 {
 422     this->controller->commit_changes();
 423     this->display->flush();
 424 }
 425
 426 void App::set_timer()
 427 {
 428     HMI_SEQ_DEBUG(app_list.currentSequenceNumber(), "Timer set activate");
 429     if (timer_ev_src == nullptr)
 430     {
 431         // firsttime set into sd_event
 432         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &timer_ev_src,
 433                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + TIME_OUT, 1, processTimerHandler, this);
 434         if (ret < 0)
 435         {
 436             HMI_ERROR("wm", "Could't set timer");
 437         }
 438     }
 439     else
 440     {
 441         // update timer limitation after second time
 442         sd_event_source_set_time(timer_ev_src, time(NULL) * (1000000UL) + TIME_OUT);
 443         sd_event_source_set_enabled(timer_ev_src, SD_EVENT_ONESHOT);
 444     }
 445 }
 446
 447 void App::stop_timer()
 448 {
 449     unsigned seq = app_list.currentSequenceNumber();
 450     HMI_SEQ_DEBUG(seq, "Timer stop");
 451     int rc = sd_event_source_set_enabled(timer_ev_src, SD_EVENT_OFF);
 452     if (rc < 0)
 453     {
 454         HMI_SEQ_ERROR(seq, "Timer stop failed");
 455     }
 456 }
 457
 458 WMError App::lm_release(const struct WMAction &action)
 459 {
 460     //auto const &surface_id = this->lookup_id(drawing_name);
 461     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 462     unsigned req_num = app_list.currentSequenceNumber();
 463     auto const &surface_id = this->lookup_id(action.role.c_str());
 464     if (!surface_id)
 465     {
 466         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 467         return ret;
 468     }
 469
 470     if (*surface_id == this->layers.main_surface)
 471     {
 472         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 473         return ret;
 474     }
 475
 476     auto o_state = *this->layers.get_layout_state(*surface_id);
 477
 478     if (o_state == nullptr)
 479     {
 480         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 481         return ret;
 482     }
 483
 484     struct LayoutState &state = *o_state;
 485
 486     if (state.main == -1)
 487     {
 488         HMI_SEQ_ERROR(req_num, "No surface active");
 489         return ret;
 490     }
 491
 492     // Check against main_surface, main_surface_name is the configuration item.
 493     if (*surface_id == this->layers.main_surface)
 494     {
 495         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 496         //reply(nullptr);
 497         return WMError::SUCCESS;
 498     }
 499     if ((state.main == *surface_id) && (state.sub == *surface_id))
 500     {
 501         HMI_SEQ_ERROR(req_num, "Surface is not active");
 502         return ret;
 503     }
 504
 505     if (state.main == *surface_id)
 506     {
 507         if (state.sub != -1)
 508         {
 509             this->try_layout(
 510                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 511                     std::string sub = std::move(*this->lookup_name(state.sub));
 512
 513                     this->deactivate(*surface_id);
 514                     this->surface_set_layout(state.sub);
 515                     state = nl;
 516
 517                     this->layout_commit();
 518                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 519                     compositor::rect area_rect = this->area_info[state.sub];
 520                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 521                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 522                     this->enqueue_flushdraw(state.sub);
 523                 });
 524         }
 525         else
 526         {
 527             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 528                 this->deactivate(*surface_id);
 529                 state = nl;
 530                 this->layout_commit();
 531             });
 532         }
 533     }
 534     else if (state.sub == *surface_id)
 535     {
 536         this->try_layout(
 537             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 538                 std::string main = std::move(*this->lookup_name(state.main));
 539
 540                 this->deactivate(*surface_id);
 541                 this->surface_set_layout(state.main);
 542                 state = nl;
 543
 544                 this->layout_commit();
 545                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 546                 compositor::rect area_rect = this->area_info[state.main];
 547                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 548                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 549                 this->enqueue_flushdraw(state.main);
 550             });
 551     }
 552     return WMError::SUCCESS;
 553 }
 554
 555 WMError App::lm_layout_change(const struct WMAction &action)
 556 {
 557     const char *msg = this->check_surface_exist(action.role.c_str());
 558
 559     /*
 560     lm_.updateLayout(action);
 561     TODO: emit syncDraw with application*/
 562     if (msg)
 563     {
 564         HMI_SEQ_DEBUG(app_list.currentSequenceNumber(), msg);
 565         //app_list.removeRequest(req_num);
 566         return WMError::LAYOUT_CHANGE_FAIL;
 567     }
 568     this->lm_layout_change(action.role.c_str());
 569     return WMError::SUCCESS;
 570 }
 571
 572 WMError App::do_transition(unsigned req_num)
 573 {
 574     /*
 575     * Check Policy
 576     */
 577     // get current trigger
 578     auto trigger = app_list.getRequest(req_num);
 579     bool is_activate = true;
 580
 581     /*  get new status from Policy Manager
 582
 583     (json_object*?) newLayout = checkPolicy(trigger);
 584     (vector<struct WMAction>&) auto actions = translator.inputActionFromLayout(newLayout, currentLayout)
 585     for(const auto& x : actions){
 586         app_list.setAciton(req_num, x)
 587     }
 588
 589     or
 590
 591     translator.inputActionFromLayout(newLayout, currentLayout, &app_list, req_num);
 592
 593     /* The following error check is not necessary because main.cpp will reject the message form not registered object
 594    } */
 595     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 596
 597     if (TASK_RELEASE == trigger.task)
 598     {
 599         is_activate = false;
 600     }
 601     WMError ret = app_list.setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
 602     app_list.req_dump();
 603
 604     if (ret != WMError::SUCCESS)
 605     {
 606         HMI_SEQ_ERROR(req_num, "Failed to set action");
 607         return ret;
 608     }
 609
 610     // layer manager task
 611     bool sync_draw_happen = false;
 612     for (const auto &y : app_list.getActions(req_num))
 613     {
 614         /*
 615         do_task(y);
 616         */
 617         /*  TODO
 618            but current we can't do do_task,
 619            so divide the processing into lm_layout_change and lm_release
 620         */
 621         if (y.visible)
 622         {
 623             sync_draw_happen = true;
 624             ret = lm_layout_change(y);
 625             if (ret != WMError::SUCCESS)
 626             {
 627                 HMI_SEQ_ERROR(req_num, "%s: appid: %s, role: %s, area: %s",
 628                     errorDescription(ret), y.appid.c_str(), y.role.c_str(), y.area.c_str());
 629                 app_list.removeRequest(req_num);
 630                 break;
 631                 // TODO: if transition fails, what should we do?
 632             }
 633             /* app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 634         }
 635         else
 636         {
 637             ret = lm_release(y);
 638             if (!ret)
 639             {
 640                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
 641                 app_list.removeRequest(req_num);
 642                 break;
 643                 // TODO: if transition fails, what should we do?
 644             }
 645             /* app_list.lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
 646         }
 647     }
 648
 649     if (ret != WMError::SUCCESS)
 650     {
 651         //this->emit_error(request_seq, 0 /*error_num*/, "error happens"); // test
 652     }
 653     else if (sync_draw_happen)
 654     {
 655         this->set_timer();
 656     }
 657     else
 658     {
 659         app_list.removeRequest(req_num); // HACK!!!
 660     }
 661     return ret;
 662 }
 663
 664 void App::lm_layout_change(const char *drawing_name)
 665 {
 666     auto const &surface_id = this->lookup_id(drawing_name);
 667     auto layer_id = this->layers.get_layer_id(*surface_id);
 668     auto o_state = *this->layers.get_layout_state(*surface_id);
 669     struct LayoutState &state = *o_state;
 670
 671     // disable layers that are above our current layer
 672     for (auto const &l : this->layers.mapping)
 673     {
 674         if (l.second.layer_id <= *layer_id)
 675         {
 676             continue;
 677         }
 678
 679         bool flush = false;
 680         if (l.second.state.main != -1)
 681         {
 682             this->deactivate(l.second.state.main);
 683             l.second.state.main = -1;
 684             flush = true;
 685         }
 686
 687         if (l.second.state.sub != -1)
 688         {
 689             this->deactivate(l.second.state.sub);
 690             l.second.state.sub = -1;
 691             flush = true;
 692         }
 693
 694         if (flush)
 695         {
 696             this->layout_commit();
 697         }
 698     }
 699
 700     auto layer = this->layers.get_layer(*layer_id);
 701
 702     if (state.main == -1)
 703     {
 704         this->try_layout(
 705             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 706                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 707                 this->surface_set_layout(*surface_id);
 708                 state = nl;
 709
 710                 // Commit for configuraton
 711                 this->layout_commit();
 712
 713                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 714                 compositor::rect area_rect = this->area_info[*surface_id];
 715                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 716                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 717                 this->enqueue_flushdraw(state.main);
 718             });
 719     }
 720     else
 721     {
 722         if (0 == strcmp(drawing_name, "HomeScreen"))
 723         {
 724             this->try_layout(
 725                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 726                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 727                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 728                     compositor::rect area_rect = this->area_info[*surface_id];
 729                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 730                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 731                     this->enqueue_flushdraw(state.main);
 732                 });
 733         }
 734         else
 735         {
 736             bool can_split = this->can_split(state, *surface_id);
 737
 738             if (can_split)
 739             {
 740                 this->try_layout(
 741                     state,
 742                     LayoutState{state.main, *surface_id},
 743                     [&](LayoutState const &nl) {
 744                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 745                         std::string main =
 746                             std::move(*this->lookup_name(state.main));
 747
 748                         this->surface_set_layout(state.main, surface_id);
 749                         if (state.sub != *surface_id)
 750                         {
 751                             if (state.sub != -1)
 752                             {
 753                                 this->deactivate(state.sub);
 754                             }
 755                         }
 756                         state = nl;
 757
 758                         // Commit for configuration and visibility(0)
 759                         this->layout_commit();
 760
 761                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 762                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 763                         compositor::rect area_rect_main = this->area_info[state.main];
 764                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 765                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 766                                             area_rect_main.x, area_rect_main.y,
 767                                             area_rect_main.w, area_rect_main.h);
 768                         this->emit_syncdraw(drawing_name, str_area_sub.c_str(),
 769                                             area_rect_sub.x, area_rect_sub.y,
 770                                             area_rect_sub.w, area_rect_sub.h);
 771                         this->enqueue_flushdraw(state.main);
 772                         this->enqueue_flushdraw(state.sub);
 773                     });
 774             }
 775             else
 776             {
 777                 this->try_layout(
 778                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 779                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 780
 781                         this->surface_set_layout(*surface_id);
 782                         if (state.main != *surface_id)
 783                         {
 784                             this->deactivate(state.main);
 785                         }
 786                         if (state.sub != -1)
 787                         {
 788                             if (state.sub != *surface_id)
 789                             {
 790                                 this->deactivate(state.sub);
 791                             }
 792                         }
 793                         state = nl;
 794
 795                         // Commit for configuraton and visibility(0)
 796                         this->layout_commit();
 797
 798                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 799                         compositor::rect area_rect = this->area_info[*surface_id];
 800                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 801                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 802                         this->enqueue_flushdraw(state.main);
 803                     });
 804             }
 805         }
 806     }
 807 }
 808
 809 const char *App::check_surface_exist(const char *drawing_name)
 810 {
 811     auto const &surface_id = this->lookup_id(drawing_name);
 812     if (!surface_id)
 813     {
 814         //reply("Surface does not exist");
 815         return "Surface does not exist";
 816     }
 817
 818     if (!this->controller->surface_exists(*surface_id))
 819     {
 820         //reply("Surface does not exist in controller!");
 821         return "Surface does not exist in controller!";
 822     }
 823
 824     auto layer_id = this->layers.get_layer_id(*surface_id);
 825
 826     if (!layer_id)
 827     {
 828         //reply("Surface is not on any layer!");
 829         return "Surface is not on any layer!";
 830     }
 831
 832     auto o_state = *this->layers.get_layout_state(*surface_id);
 833
 834     if (o_state == nullptr)
 835     {
 836         //reply("Could not find layer for surface");
 837         return "Could not find layer for surface";
 838     }
 839
 840     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 841     return nullptr;
 842     //reply(nullptr);
 843 }
 844
 845 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 846 {
 847     ST();
 848
 849     /*
 850    * Check Phase
 851    */
 852
 853     std::string id = appid;
 854     std::string role = drawing_name;
 855     std::string area = drawing_area;
 856
 857     if (app_list.contains(id) != WMError::SUCCESS)
 858     {
 859         reply("app doesn't request 'requestSurface' yet");
 860         return;
 861     }
 862
 863     auto client = app_list.lookUpClient(id);
 864
 865     /*
 866    * Queueing Phase
 867    */
 868     unsigned current = app_list.currentSequenceNumber();
 869     unsigned requested_num = app_list.getSequenceNumber(id);
 870     if (requested_num != 0)
 871     {
 872         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 873         reply("already requested");
 874         return;
 875     }
 876
 877     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
 878     unsigned new_req = app_list.addAllocateRequest(req);
 879     app_list.req_dump();
 880
 881     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 882
 883     reply(nullptr);
 884     if (new_req != current)
 885     {
 886         // Add request, then invoked after the previous task is finished
 887         HMI_SEQ_DEBUG(new_req, "request is accepted");
 888         return;
 889     }
 890
 891     /*
 892     * Do allocate tasks
 893     */
 894     WMError ret = this->do_transition(new_req);
 895
 896     if (ret != WMError::SUCCESS)
 897     {
 898         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 899         //this->emit_error()
 900     }
 901 }
 902
 903 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 904 {
 905     ST();
 906
 907     /*
 908    * Check Phase
 909    */
 910     std::string id = appid;
 911     std::string role = drawing_name;
 912     std::string area = ""; //drawing_area;
 913
 914     if (app_list.contains(id) != WMError::SUCCESS)
 915     {
 916         reply("app doesn't request 'requestSurface' yet");
 917         return;
 918     }
 919     auto client = app_list.lookUpClient(id);
 920
 921     /*
 922    * Queueing Phase
 923    */
 924     unsigned current = app_list.currentSequenceNumber();
 925     unsigned requested_num = app_list.getSequenceNumber(id);
 926     if (requested_num != 0)
 927     {
 928         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 929         reply("already requested");
 930         return;
 931     }
 932
 933     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 934     unsigned new_req = app_list.addAllocateRequest(req);
 935     app_list.req_dump();
 936
 937     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 938
 939     reply(nullptr);
 940     if (new_req != current)
 941     {
 942         // Add request, then invoked after the previous task is finished
 943         HMI_SEQ_DEBUG(new_req, "request is accepted");
 944         return;
 945     }
 946
 947     /*
 948     * Do allocate tasks
 949     */
 950     WMError ret = this->do_transition(new_req);
 951
 952     if (ret != WMError::SUCCESS)
 953     {
 954         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 955         //this->emit_error()
 956     }
 957 }
 958
 959 void App::enqueue_flushdraw(int surface_id)
 960 {
 961     this->check_flushdraw(surface_id);
 962     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 963     this->pending_end_draw.push_back(surface_id);
 964 }
 965
 966 void App::check_flushdraw(int surface_id)
 967 {
 968     auto i = std::find(std::begin(this->pending_end_draw),
 969                        std::end(this->pending_end_draw), surface_id);
 970     if (i != std::end(this->pending_end_draw))
 971     {
 972         auto n = this->lookup_name(surface_id);
 973         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 974                   n ? n->c_str() : "unknown-name", surface_id);
 975         std::swap(this->pending_end_draw[std::distance(
 976                       std::begin(this->pending_end_draw), i)],
 977                   this->pending_end_draw.back());
 978         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 979     }
 980 }
 981
 982 void App::lm_enddraw(const char *drawing_name)
 983 {
 984     HMI_DEBUG("wm", "end draw %s", drawing_name);
 985     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
 986     {
 987         auto n = this->lookup_name(this->pending_end_draw[i]);
 988         if (n && *n == drawing_name)
 989         {
 990             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 991             this->pending_end_draw.resize(iend - 1);
 992             this->activate(this->pending_end_draw[i]);
 993             this->emit_flushdraw(drawing_name);
 994         }
 995     }
 996 }
 997
 998 void App::do_enddraw(unsigned request_seq)
 999 {
1000     // get actions
1001     auto actions = app_list.getActions(request_seq);
1002     HMI_SEQ_INFO(request_seq, "do endDraw");
1003
1004     for (const auto &act : actions)
1005     {
1006         HMI_SEQ_DEBUG(request_seq, "visible %s", act.role.c_str());
1007         this->lm_enddraw(act.role.c_str());
1008     }
1009
1010     HMI_SEQ_INFO(request_seq, "emit flushDraw");
1011     /*     do
1012     {
1013         // emit flush Draw
1014         //emitFlushDrawToAll(&app_list, request_seq);
1015         // emit status change event
1016     } while (!app_list.requestFinished());*/
1017 }
1018
1019 void App::process_request()
1020 {
1021     unsigned req = app_list.currentSequenceNumber();
1022     HMI_SEQ_DEBUG(req, "Do next request");
1023     WMError rc = do_transition(req);
1024     if(rc != WMError::SUCCESS){
1025         HMI_SEQ_ERROR(req, errorDescription(rc));
1026     }
1027 }
1028
1029 void App::api_enddraw(char const *appid, char const *drawing_name)
1030 {
1031     std::string id(appid);
1032     std::string role(drawing_name);
1033     unsigned current_seq = app_list.currentSequenceNumber();
1034     bool result = app_list.setEndDrawFinished(current_seq, id, role);
1035
1036     if (!result)
1037     {
1038         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1039         return;
1040     }
1041
1042     if (app_list.endDrawFullfilled(current_seq))
1043     {
1044         // do task for endDraw
1045         //this->stop_timer();
1046         this->do_enddraw(current_seq);
1047
1048         this->stop_timer();
1049
1050         app_list.removeRequest(current_seq);
1051         HMI_SEQ_INFO(current_seq, "Finish request");
1052         app_list.next();
1053         if (app_list.haveRequest())
1054         {
1055             this->process_request();
1056         }
1057     }
1058     else
1059     {
1060         HMI_SEQ_INFO(current_seq, "Wait other App call endDraw");
1061         return;
1062     }
1063 }
1064
1065 void App::api_ping() { this->dispatch_pending_events(); }
1066
1067 void App::send_event(char const *evname, char const *label)
1068 {
1069     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1070
1071     json_object *j = json_object_new_object();
1072     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1073
1074     int ret = afb_event_push(this->map_afb_event[evname], j);
1075     if (ret != 0)
1076     {
1077         HMI_DEBUG("wm", "afb_event_push failed: %m");
1078     }
1079 }
1080
1081 void App::send_event(char const *evname, char const *label, char const *area,
1082                      int x, int y, int w, int h)
1083 {
1084     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1085               __func__, evname, label, area, x, y, w, h);
1086
1087     json_object *j_rect = json_object_new_object();
1088     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1089     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1090     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1091     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1092
1093     json_object *j = json_object_new_object();
1094     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1095     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1096     json_object_object_add(j, kKeyDrawingRect, j_rect);
1097
1098     int ret = afb_event_push(this->map_afb_event[evname], j);
1099     if (ret != 0)
1100     {
1101         HMI_DEBUG("wm", "afb_event_push failed: %m");
1102     }
1103 }
1104
1105 /**
1106  * proxied events
1107  */
1108 void App::surface_created(uint32_t surface_id)
1109 {
1110     auto layer_id = this->layers.get_layer_id(surface_id);
1111     if (!layer_id)
1112     {
1113         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1114                   surface_id);
1115         return;
1116     }
1117
1118     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1119
1120     this->controller->layers[*layer_id]->add_surface(surface_id);
1121     this->layout_commit();
1122     // activate the main_surface right away
1123     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1124       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1125
1126       this->api_activate_surface(
1127          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1128    }*/
1129
1130     // search pid from surfaceID
1131
1132     // pick up appid from pid from application manager
1133
1134     // check appid then add it to the client
1135 }
1136
1137 void App::surface_removed(uint32_t surface_id)
1138 {
1139     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1140
1141     app_list.removeSurface(surface_id);
1142 }
1143
1144 void App::emit_activated(char const *label)
1145 {
1146     this->send_event(kListEventName[Event_Active], label);
1147 }
1148
1149 void App::emit_deactivated(char const *label)
1150 {
1151     this->send_event(kListEventName[Event_Inactive], label);
1152 }
1153
1154 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1155 {
1156     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1157 }
1158
1159 void App::emit_flushdraw(char const *label)
1160 {
1161     this->send_event(kListEventName[Event_FlushDraw], label);
1162 }
1163
1164 void App::emit_visible(char const *label, bool is_visible)
1165 {
1166     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1167 }
1168
1169 void App::emit_invisible(char const *label)
1170 {
1171     return emit_visible(label, false);
1172 }
1173
1174 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1175
1176 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1177 {
1178     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1179     if (!lid)
1180     {
1181         /**
1182        * register drawing_name as fallback and make it displayed.
1183        */
1184         lid = this->layers.get_layer_id(std::string("Fallback"));
1185         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1186         if (!lid)
1187         {
1188             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1189         }
1190     }
1191
1192     auto rname = this->lookup_id(drawing_name);
1193     if (!rname)
1194     {
1195         // name does not exist yet, allocate surface id...
1196         auto id = int(this->id_alloc.generate_id(drawing_name));
1197         this->layers.add_surface(id, *lid);
1198
1199         // set the main_surface[_name] here and now
1200         if (!this->layers.main_surface_name.empty() &&
1201             this->layers.main_surface_name == drawing_name)
1202         {
1203             this->layers.main_surface = id;
1204             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1205         }
1206
1207         // add client into the db
1208         std::string appid_str(appid);
1209         std::string role(drawing_name);
1210         //app_list.addClient(appid_str, role);
1211         app_list.addClient(appid_str, *lid, id, role);
1212
1213         return Ok<int>(id);
1214     }
1215
1216     // Check currently registered drawing names if it is already there.
1217     return Err<int>("Surface already present");
1218 }
1219
1220 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1221                                      char const *ivi_id)
1222 {
1223     ST();
1224
1225     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1226     unsigned sid = std::stol(ivi_id);
1227
1228     if (!lid)
1229     {
1230         /**
1231        * register drawing_name as fallback and make it displayed.
1232        */
1233         lid = this->layers.get_layer_id(std::string("Fallback"));
1234         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1235         if (!lid)
1236         {
1237             return "Drawing name does not match any role, Fallback is disabled";
1238         }
1239     }
1240
1241     auto rname = this->lookup_id(drawing_name);
1242
1243     if (rname)
1244     {
1245         return "Surface already present";
1246     }
1247
1248     // register pair drawing_name and ivi_id
1249     this->id_alloc.register_name_id(drawing_name, sid);
1250     this->layers.add_surface(sid, *lid);
1251
1252     // this surface is already created
1253     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1254
1255     this->controller->layers[*lid]->add_surface(sid);
1256     this->layout_commit();
1257
1258     return nullptr;
1259 }
1260
1261 result<json_object *> App::api_get_display_info()
1262 {
1263     // Check controller
1264     if (!this->controller)
1265     {
1266         return Err<json_object *>("ivi_controller global not available");
1267     }
1268
1269     // Set display info
1270     compositor::size o_size = this->controller->output_size;
1271     compositor::size p_size = this->controller->physical_size;
1272
1273     json_object *object = json_object_new_object();
1274     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1275     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1276     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1277     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1278
1279     return Ok<json_object *>(object);
1280 }
1281
1282 result<json_object *> App::api_get_area_info(char const *drawing_name)
1283 {
1284     HMI_DEBUG("wm", "called");
1285
1286     // Check drawing name, surface/layer id
1287     auto const &surface_id = this->lookup_id(drawing_name);
1288     if (!surface_id)
1289     {
1290         return Err<json_object *>("Surface does not exist");
1291     }
1292
1293     if (!this->controller->surface_exists(*surface_id))
1294     {
1295         return Err<json_object *>("Surface does not exist in controller!");
1296     }
1297
1298     auto layer_id = this->layers.get_layer_id(*surface_id);
1299     if (!layer_id)
1300     {
1301         return Err<json_object *>("Surface is not on any layer!");
1302     }
1303
1304     auto o_state = *this->layers.get_layout_state(*surface_id);
1305     if (o_state == nullptr)
1306     {
1307         return Err<json_object *>("Could not find layer for surface");
1308     }
1309
1310     struct LayoutState &state = *o_state;
1311     if ((state.main != *surface_id) && (state.sub != *surface_id))
1312     {
1313         return Err<json_object *>("Surface is inactive");
1314     }
1315
1316     // Set area rectangle
1317     compositor::rect area_info = this->area_info[*surface_id];
1318     json_object *object = json_object_new_object();
1319     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1320     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1321     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1322     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1323
1324     return Ok<json_object *>(object);
1325 }
1326
1327 void App::activate(int id)
1328 {
1329     auto ip = this->controller->sprops.find(id);
1330     if (ip != this->controller->sprops.end())
1331     {
1332         this->controller->surfaces[id]->set_visibility(1);
1333         char const *label =
1334             this->lookup_name(id).value_or("unknown-name").c_str();
1335
1336         // FOR CES DEMO >>>
1337         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1338         {
1339             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1340             {
1341                 if (id == *i)
1342                 {
1343                     // Remove id
1344                     this->surface_bg.erase(i);
1345
1346                     // Remove from BG layer (999)
1347                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1348                     this->controller->layers[999]->remove_surface(id);
1349
1350                     // Add to FG layer (1001)
1351                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1352                     this->controller->layers[1001]->add_surface(id);
1353
1354                     for (int j : this->surface_bg)
1355                     {
1356                         HMI_DEBUG("wm", "Stored id:%d", j);
1357                     }
1358                     break;
1359                 }
1360             }
1361         }
1362         // <<< FOR CES DEMO
1363         this->layout_commit();
1364
1365         this->emit_visible(label);
1366         this->emit_activated(label);
1367     }
1368 }
1369
1370 void App::deactivate(int id)
1371 {
1372     auto ip = this->controller->sprops.find(id);
1373     if (ip != this->controller->sprops.end())
1374     {
1375         char const *label =
1376             this->lookup_name(id).value_or("unknown-name").c_str();
1377
1378         // FOR CES DEMO >>>
1379         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1380         {
1381
1382             // Store id
1383             this->surface_bg.push_back(id);
1384
1385             // Remove from FG layer (1001)
1386             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1387             this->controller->layers[1001]->remove_surface(id);
1388
1389             // Add to BG layer (999)
1390             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1391             this->controller->layers[999]->add_surface(id);
1392
1393             for (int j : surface_bg)
1394             {
1395                 HMI_DEBUG("wm", "Stored id:%d", j);
1396             }
1397         }
1398         else
1399         {
1400             this->controller->surfaces[id]->set_visibility(0);
1401         }
1402         // <<< FOR CES DEMO
1403
1404         this->emit_deactivated(label);
1405         this->emit_invisible(label);
1406     }
1407 }
1408
1409 void App::deactivate_main_surface()
1410 {
1411     this->layers.main_surface = -1;
1412     std::string appid = "HomeScreen";
1413     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1414 }
1415
1416 bool App::can_split(struct LayoutState const &state, int new_id)
1417 {
1418     if (state.main != -1 && state.main != new_id)
1419     {
1420         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1421         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1422
1423         // surfaces are on separate layers, don't bother.
1424         if (new_id_layer != current_id_layer)
1425         {
1426             return false;
1427         }
1428
1429         std::string const &new_id_str = this->lookup_name(new_id).value();
1430         std::string const &cur_id_str = this->lookup_name(state.main).value();
1431
1432         auto const &layer = this->layers.get_layer(new_id_layer);
1433
1434         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1435
1436         if (layer->layouts.empty())
1437         {
1438             return false;
1439         }
1440
1441         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1442         {
1443             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1444             auto rem = std::regex(i->main_match);
1445             if (std::regex_match(cur_id_str, rem))
1446             {
1447                 // build the second one only if the first already matched
1448                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1449                 auto res = std::regex(i->sub_match);
1450                 if (std::regex_match(new_id_str, res))
1451                 {
1452                     HMI_DEBUG("wm", "layout matched!");
1453                     return true;
1454                 }
1455             }
1456         }
1457     }
1458
1459     return false;
1460 }
1461
1462 void App::try_layout(struct LayoutState & /*state*/,
1463                      struct LayoutState const &new_layout,
1464                      std::function<void(LayoutState const &nl)> apply)
1465 {
1466     if (this->policy.layout_is_valid(new_layout))
1467     {
1468         apply(new_layout);
1469     }
1470 }
1471
1472 /**
1473  * controller_hooks
1474  */
1475 void controller_hooks::surface_created(uint32_t surface_id)
1476 {
1477     this->app->surface_created(surface_id);
1478 }
1479
1480 void controller_hooks::surface_removed(uint32_t surface_id)
1481 {
1482     this->app->surface_removed(surface_id);
1483 }
1484
1485 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1486                                           uint32_t /*v*/) {}
1487
1488 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1489                                                      uint32_t /*x*/,
1490                                                      uint32_t /*y*/,
1491                                                      uint32_t /*w*/,
1492                                                      uint32_t /*h*/) {}
1493
1494 } // namespace wm