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 bool App::lm_release(const struct WMAction &action)
 457 {
 458     //auto const &surface_id = this->lookup_id(drawing_name);
 459     unsigned req_num = g_app_list.currentRequestNumber();
 460     auto const &surface_id = this->lookup_id(action.role.c_str());
 461     if (!surface_id)
 462     {
 463         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 464         return false;
 465     }
 466
 467     if (*surface_id == this->layers.main_surface)
 468     {
 469         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 470         return false;
 471     }
 472
 473     auto o_state = *this->layers.get_layout_state(*surface_id);
 474
 475     if (o_state == nullptr)
 476     {
 477         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 478         return false;
 479     }
 480
 481     struct LayoutState &state = *o_state;
 482
 483     if (state.main == -1)
 484     {
 485         HMI_SEQ_ERROR(req_num, "No surface active");
 486         return false;
 487     }
 488
 489     // Check against main_surface, main_surface_name is the configuration item.
 490     if (*surface_id == this->layers.main_surface)
 491     {
 492         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 493         //reply(nullptr);
 494         return true;
 495     }
 496     if ((state.main == *surface_id) && (state.sub == *surface_id))
 497     {
 498         HMI_SEQ_ERROR(req_num, "Surface is not active");
 499         return false;
 500     }
 501
 502     if (state.main == *surface_id)
 503     {
 504         if (state.sub != -1)
 505         {
 506             this->try_layout(
 507                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 508                     std::string sub = std::move(*this->lookup_name(state.sub));
 509
 510                     this->deactivate(*surface_id);
 511                     this->surface_set_layout(state.sub);
 512                     state = nl;
 513
 514                     this->layout_commit();
 515                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 516                     compositor::rect area_rect = this->area_info[state.sub];
 517                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 518                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 519                     this->enqueue_flushdraw(state.sub);
 520                 });
 521         }
 522         else
 523         {
 524             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 525                 this->deactivate(*surface_id);
 526                 state = nl;
 527                 this->layout_commit();
 528             });
 529         }
 530     }
 531     else if (state.sub == *surface_id)
 532     {
 533         this->try_layout(
 534             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 535                 std::string main = std::move(*this->lookup_name(state.main));
 536
 537                 this->deactivate(*surface_id);
 538                 this->surface_set_layout(state.main);
 539                 state = nl;
 540
 541                 this->layout_commit();
 542                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 543                 compositor::rect area_rect = this->area_info[state.main];
 544                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 545                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 546                 this->enqueue_flushdraw(state.main);
 547             });
 548     }
 549     return true;
 550 }
 551
 552 bool App::lm_layout_change(const struct WMAction &action)
 553 {
 554     const char *msg = this->check_surface_exist(action.role.c_str());
 555
 556     /*
 557     lm_.updateLayout(action);
 558     TODO: emit syncDraw with application*/
 559     if (msg)
 560     {
 561         HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), msg);
 562         //g_app_list.removeRequest(req_num);
 563         return false;
 564     }
 565     this->lm_layout_change(action.role.c_str());
 566     return true;
 567 }
 568
 569 bool 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     bool ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
 599     g_app_list.reqDump();
 600
 601     if (!ret)
 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)
 623             {
 624                 HMI_SEQ_ERROR(req_num, "Failed layout change: %s", y.appid.c_str());
 625                 g_app_list.removeRequest(req_num);
 626                 break;
 627                 // TODO: if transition fails, what should we do?
 628             }
 629             /* g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 630         }
 631         else
 632         {
 633             ret = lm_release(y);
 634             if (!ret)
 635             {
 636                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
 637                 g_app_list.removeRequest(req_num);
 638                 break;
 639                 // TODO: if transition fails, what should we do?
 640             }
 641             /* g_app_list.lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
 642         }
 643     }
 644
 645     if (!ret)
 646     {
 647         //this->emit_error(req_num, 0 /*error_num*/, "error happens"); // test
 648     }
 649     else if (ret && sync_draw_happen)
 650     {
 651         this->set_timer();
 652     }
 653     else
 654     {
 655         g_app_list.removeRequest(req_num); // HACK!!!
 656     }
 657     return ret;
 658 }
 659
 660 void App::lm_layout_change(const char *drawing_name)
 661 {
 662     auto const &surface_id = this->lookup_id(drawing_name);
 663     auto layer_id = this->layers.get_layer_id(*surface_id);
 664     auto o_state = *this->layers.get_layout_state(*surface_id);
 665     struct LayoutState &state = *o_state;
 666
 667     // disable layers that are above our current layer
 668     for (auto const &l : this->layers.mapping)
 669     {
 670         if (l.second.layer_id <= *layer_id)
 671         {
 672             continue;
 673         }
 674
 675         bool flush = false;
 676         if (l.second.state.main != -1)
 677         {
 678             this->deactivate(l.second.state.main);
 679             l.second.state.main = -1;
 680             flush = true;
 681         }
 682
 683         if (l.second.state.sub != -1)
 684         {
 685             this->deactivate(l.second.state.sub);
 686             l.second.state.sub = -1;
 687             flush = true;
 688         }
 689
 690         if (flush)
 691         {
 692             this->layout_commit();
 693         }
 694     }
 695
 696     auto layer = this->layers.get_layer(*layer_id);
 697
 698     if (state.main == -1)
 699     {
 700         this->try_layout(
 701             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 702                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 703                 this->surface_set_layout(*surface_id);
 704                 state = nl;
 705
 706                 // Commit for configuraton
 707                 this->layout_commit();
 708
 709                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 710                 compositor::rect area_rect = this->area_info[*surface_id];
 711                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 712                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 713                 this->enqueue_flushdraw(state.main);
 714             });
 715     }
 716     else
 717     {
 718         if (0 == strcmp(drawing_name, "HomeScreen"))
 719         {
 720             this->try_layout(
 721                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 722                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 723                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 724                     compositor::rect area_rect = this->area_info[*surface_id];
 725                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 726                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 727                     this->enqueue_flushdraw(state.main);
 728                 });
 729         }
 730         else
 731         {
 732             bool can_split = this->can_split(state, *surface_id);
 733
 734             if (can_split)
 735             {
 736                 this->try_layout(
 737                     state,
 738                     LayoutState{state.main, *surface_id},
 739                     [&](LayoutState const &nl) {
 740                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 741                         std::string main =
 742                             std::move(*this->lookup_name(state.main));
 743
 744                         this->surface_set_layout(state.main, surface_id);
 745                         if (state.sub != *surface_id)
 746                         {
 747                             if (state.sub != -1)
 748                             {
 749                                 this->deactivate(state.sub);
 750                             }
 751                         }
 752                         state = nl;
 753
 754                         // Commit for configuration and visibility(0)
 755                         this->layout_commit();
 756
 757                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 758                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 759                         compositor::rect area_rect_main = this->area_info[state.main];
 760                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 761                         // >>> HACK
 762                         HMI_WARNING("wm", "HACK!!! mediaplayer and hvac is only supported for split");
 763                         std::string request_role = drawing_name;
 764                         //std::string request_app = transform(request_role.begin(), request_role.end(), request_role.begin(), tolower); //hvac or mediaplayer
 765                         std::string hack_appid = "navigation";
 766                         std::string hack_role = main;
 767                         std::string hack_area = str_area_main;
 768                         g_app_list.setAction(g_app_list.currentRequestNumber(), hack_appid, hack_role, hack_area, true);
 769                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), request_role, request_role);
 770                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), hack_appid, hack_role); // This process is illegal
 771                         // >>> HACK
 772                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 773                                             area_rect_main.x, area_rect_main.y,
 774                                             area_rect_main.w, area_rect_main.h);
 775                         this->emit_syncdraw(request_role.c_str(), str_area_sub.c_str(),
 776                                             area_rect_sub.x, area_rect_sub.y,
 777                                             area_rect_sub.w, area_rect_sub.h);
 778                         this->enqueue_flushdraw(state.main);
 779                         this->enqueue_flushdraw(state.sub);
 780                     });
 781             }
 782             else
 783             {
 784                 this->try_layout(
 785                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 786                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 787
 788                         this->surface_set_layout(*surface_id);
 789                         if (state.main != *surface_id)
 790                         {
 791                             this->deactivate(state.main);
 792                         }
 793                         if (state.sub != -1)
 794                         {
 795                             if (state.sub != *surface_id)
 796                             {
 797                                 this->deactivate(state.sub);
 798                             }
 799                         }
 800                         state = nl;
 801
 802                         // Commit for configuraton and visibility(0)
 803                         this->layout_commit();
 804
 805                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 806                         compositor::rect area_rect = this->area_info[*surface_id];
 807                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 808                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 809                         this->enqueue_flushdraw(state.main);
 810                     });
 811             }
 812         }
 813     }
 814 }
 815
 816 const char *App::check_surface_exist(const char *drawing_name)
 817 {
 818     auto const &surface_id = this->lookup_id(drawing_name);
 819     if (!surface_id)
 820     {
 821         //reply("Surface does not exist");
 822         return "Surface does not exist";
 823     }
 824
 825     if (!this->controller->surface_exists(*surface_id))
 826     {
 827         //reply("Surface does not exist in controller!");
 828         return "Surface does not exist in controller!";
 829     }
 830
 831     auto layer_id = this->layers.get_layer_id(*surface_id);
 832
 833     if (!layer_id)
 834     {
 835         //reply("Surface is not on any layer!");
 836         return "Surface is not on any layer!";
 837     }
 838
 839     auto o_state = *this->layers.get_layout_state(*surface_id);
 840
 841     if (o_state == nullptr)
 842     {
 843         //reply("Could not find layer for surface");
 844         return "Could not find layer for surface";
 845     }
 846
 847     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 848     return nullptr;
 849     //reply(nullptr);
 850 }
 851
 852 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 853 {
 854     ST();
 855
 856     /*
 857    * Check Phase
 858    */
 859
 860     std::string id = appid;
 861     std::string role = drawing_name;
 862     std::string area = drawing_area;
 863
 864     if (!g_app_list.contains(id))
 865     {
 866         reply("app doesn't request 'requestSurface' yet");
 867         return;
 868     }
 869
 870     auto client = g_app_list.lookUpClient(id);
 871
 872     /*
 873    * Queueing Phase
 874    */
 875     unsigned current = g_app_list.currentRequestNumber();
 876     unsigned requested_num = g_app_list.getRequestNumber(id);
 877     if (requested_num != 0)
 878     {
 879         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 880         reply("already requested");
 881         return;
 882     }
 883
 884     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
 885     unsigned new_req = g_app_list.addAllocateRequest(req);
 886     g_app_list.reqDump();
 887
 888     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 889
 890     reply(nullptr);
 891     if (new_req != current)
 892     {
 893         // Add request, then invoked after the previous task is finished
 894         HMI_SEQ_DEBUG(new_req, "request is accepted");
 895         return;
 896     }
 897
 898     /*
 899     * Do allocate tasks
 900     */
 901     bool ret = this->do_transition(new_req);
 902
 903     if (!ret)
 904     {
 905         HMI_SEQ_ERROR(new_req, "failed to do_transition");
 906         //this->emit_error()
 907     }
 908 }
 909
 910 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 911 {
 912     ST();
 913
 914     /*
 915    * Check Phase
 916    */
 917     std::string id = appid;
 918     std::string role = drawing_name;
 919     std::string area = ""; //drawing_area;
 920
 921     if (!g_app_list.contains(id))
 922     {
 923         reply("app doesn't request 'requestSurface' yet");
 924         return;
 925     }
 926     auto client = g_app_list.lookUpClient(id);
 927
 928     /*
 929    * Queueing Phase
 930    */
 931     unsigned current = g_app_list.currentRequestNumber();
 932     unsigned requested_num = g_app_list.getRequestNumber(id);
 933     if (requested_num != 0)
 934     {
 935         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 936         reply("already requested");
 937         return;
 938     }
 939
 940     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 941     unsigned new_req = g_app_list.addAllocateRequest(req);
 942     g_app_list.reqDump();
 943
 944     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 945
 946     reply(nullptr);
 947     if (new_req != current)
 948     {
 949         // Add request, then invoked after the previous task is finished
 950         HMI_SEQ_DEBUG(new_req, "request is accepted");
 951         return;
 952     }
 953
 954     /*
 955     * Do allocate tasks
 956     */
 957     bool ret = this->do_transition(new_req);
 958
 959     if (!ret)
 960     {
 961         HMI_SEQ_ERROR(new_req, "failed to do_transition");
 962         //this->emit_error()
 963     }
 964 }
 965
 966 void App::enqueue_flushdraw(int surface_id)
 967 {
 968     this->check_flushdraw(surface_id);
 969     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 970     this->pending_end_draw.push_back(surface_id);
 971 }
 972
 973 void App::check_flushdraw(int surface_id)
 974 {
 975     auto i = std::find(std::begin(this->pending_end_draw),
 976                        std::end(this->pending_end_draw), surface_id);
 977     if (i != std::end(this->pending_end_draw))
 978     {
 979         auto n = this->lookup_name(surface_id);
 980         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 981                   n ? n->c_str() : "unknown-name", surface_id);
 982         std::swap(this->pending_end_draw[std::distance(
 983                       std::begin(this->pending_end_draw), i)],
 984                   this->pending_end_draw.back());
 985         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 986     }
 987 }
 988
 989 void App::lm_enddraw(const char *drawing_name)
 990 {
 991     HMI_DEBUG("wm", "end draw %s", drawing_name);
 992     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
 993     {
 994         auto n = this->lookup_name(this->pending_end_draw[i]);
 995         if (n && *n == drawing_name)
 996         {
 997             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 998             this->pending_end_draw.resize(iend - 1);
 999             this->activate(this->pending_end_draw[i]);
1000             this->emit_flushdraw(drawing_name);
1001         }
1002     }
1003 }
1004
1005 void App::do_enddraw(unsigned req_num)
1006 {
1007     // get actions
1008     auto actions = g_app_list.getActions(req_num);
1009     HMI_SEQ_INFO(req_num, "do endDraw");
1010
1011     for (const auto &act : actions)
1012     {
1013         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1014         this->lm_enddraw(act.role.c_str());
1015     }
1016
1017     HMI_SEQ_INFO(req_num, "emit flushDraw");
1018     /*     do
1019     {
1020         // emit flush Draw
1021         //emitFlushDrawToAll(&g_app_list, req_num);
1022         // emit status change event
1023     } while (!g_app_list.requestFinished());*/
1024 }
1025
1026 void App::process_request()
1027 {
1028     unsigned req = g_app_list.currentRequestNumber();
1029     HMI_SEQ_DEBUG(req, "Do next request");
1030     do_transition(req);
1031 }
1032
1033 void App::api_enddraw(char const *appid, char const *drawing_name)
1034 {
1035     std::string id(appid);
1036     std::string role(drawing_name);
1037     unsigned current_req = g_app_list.currentRequestNumber();
1038     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1039
1040     if (!result)
1041     {
1042         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1043         return;
1044     }
1045
1046     if (g_app_list.endDrawFullfilled(current_req))
1047     {
1048         // do task for endDraw
1049         //this->stop_timer();
1050         this->do_enddraw(current_req);
1051
1052         this->stop_timer();
1053
1054         g_app_list.removeRequest(current_req);
1055         HMI_SEQ_INFO(current_req, "Finish request");
1056         g_app_list.next();
1057         if (g_app_list.haveRequest())
1058         {
1059             this->process_request();
1060         }
1061     }
1062     else
1063     {
1064         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1065         return;
1066     }
1067 }
1068
1069 void App::api_ping() { this->dispatch_pending_events(); }
1070
1071 void App::send_event(char const *evname, char const *label)
1072 {
1073     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1074
1075     json_object *j = json_object_new_object();
1076     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1077
1078     int ret = afb_event_push(this->map_afb_event[evname], j);
1079     if (ret != 0)
1080     {
1081         HMI_DEBUG("wm", "afb_event_push failed: %m");
1082     }
1083 }
1084
1085 void App::send_event(char const *evname, char const *label, char const *area,
1086                      int x, int y, int w, int h)
1087 {
1088     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1089               __func__, evname, label, area, x, y, w, h);
1090
1091     json_object *j_rect = json_object_new_object();
1092     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1093     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1094     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1095     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1096
1097     json_object *j = json_object_new_object();
1098     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1099     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1100     json_object_object_add(j, kKeyDrawingRect, j_rect);
1101
1102     int ret = afb_event_push(this->map_afb_event[evname], j);
1103     if (ret != 0)
1104     {
1105         HMI_DEBUG("wm", "afb_event_push failed: %m");
1106     }
1107 }
1108
1109 /**
1110  * proxied events
1111  */
1112 void App::surface_created(uint32_t surface_id)
1113 {
1114     auto layer_id = this->layers.get_layer_id(surface_id);
1115     if (!layer_id)
1116     {
1117         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1118                   surface_id);
1119         return;
1120     }
1121
1122     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1123
1124     this->controller->layers[*layer_id]->add_surface(surface_id);
1125     this->layout_commit();
1126     // activate the main_surface right away
1127     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1128       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1129
1130       this->api_activate_surface(
1131          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1132    }*/
1133
1134     // search pid from surfaceID
1135
1136     // pick up appid from pid from application manager
1137
1138     // check appid then add it to the client
1139 }
1140
1141 void App::surface_removed(uint32_t surface_id)
1142 {
1143     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1144
1145     g_app_list.removeSurface(surface_id);
1146 }
1147
1148 void App::emit_activated(char const *label)
1149 {
1150     this->send_event(kListEventName[Event_Active], label);
1151 }
1152
1153 void App::emit_deactivated(char const *label)
1154 {
1155     this->send_event(kListEventName[Event_Inactive], label);
1156 }
1157
1158 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1159 {
1160     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1161 }
1162
1163 void App::emit_flushdraw(char const *label)
1164 {
1165     this->send_event(kListEventName[Event_FlushDraw], label);
1166 }
1167
1168 void App::emit_visible(char const *label, bool is_visible)
1169 {
1170     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1171 }
1172
1173 void App::emit_invisible(char const *label)
1174 {
1175     return emit_visible(label, false);
1176 }
1177
1178 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1179
1180 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1181 {
1182     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1183     if (!lid)
1184     {
1185         /**
1186        * register drawing_name as fallback and make it displayed.
1187        */
1188         lid = this->layers.get_layer_id(std::string("Fallback"));
1189         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1190         if (!lid)
1191         {
1192             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1193         }
1194     }
1195
1196     auto rname = this->lookup_id(drawing_name);
1197     if (!rname)
1198     {
1199         // name does not exist yet, allocate surface id...
1200         auto id = int(this->id_alloc.generate_id(drawing_name));
1201         this->layers.add_surface(id, *lid);
1202
1203         // set the main_surface[_name] here and now
1204         if (!this->layers.main_surface_name.empty() &&
1205             this->layers.main_surface_name == drawing_name)
1206         {
1207             this->layers.main_surface = id;
1208             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1209         }
1210
1211         // add client into the db
1212         std::string appid_str(appid);
1213         std::string role(drawing_name);
1214         //g_app_list.addClient(appid_str, role);
1215         g_app_list.addClient(appid_str, *lid, id, role);
1216
1217         return Ok<int>(id);
1218     }
1219
1220     // Check currently registered drawing names if it is already there.
1221     return Err<int>("Surface already present");
1222 }
1223
1224 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1225                                      char const *ivi_id)
1226 {
1227     ST();
1228
1229     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1230     unsigned sid = std::stol(ivi_id);
1231
1232     if (!lid)
1233     {
1234         /**
1235        * register drawing_name as fallback and make it displayed.
1236        */
1237         lid = this->layers.get_layer_id(std::string("Fallback"));
1238         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1239         if (!lid)
1240         {
1241             return "Drawing name does not match any role, Fallback is disabled";
1242         }
1243     }
1244
1245     auto rname = this->lookup_id(drawing_name);
1246
1247     if (rname)
1248     {
1249         return "Surface already present";
1250     }
1251
1252     // register pair drawing_name and ivi_id
1253     this->id_alloc.register_name_id(drawing_name, sid);
1254     this->layers.add_surface(sid, *lid);
1255
1256     // this surface is already created
1257     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1258
1259     this->controller->layers[*lid]->add_surface(sid);
1260     this->layout_commit();
1261
1262     return nullptr;
1263 }
1264
1265 result<json_object *> App::api_get_display_info()
1266 {
1267     // Check controller
1268     if (!this->controller)
1269     {
1270         return Err<json_object *>("ivi_controller global not available");
1271     }
1272
1273     // Set display info
1274     compositor::size o_size = this->controller->output_size;
1275     compositor::size p_size = this->controller->physical_size;
1276
1277     json_object *object = json_object_new_object();
1278     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1279     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1280     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1281     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1282
1283     return Ok<json_object *>(object);
1284 }
1285
1286 result<json_object *> App::api_get_area_info(char const *drawing_name)
1287 {
1288     HMI_DEBUG("wm", "called");
1289
1290     // Check drawing name, surface/layer id
1291     auto const &surface_id = this->lookup_id(drawing_name);
1292     if (!surface_id)
1293     {
1294         return Err<json_object *>("Surface does not exist");
1295     }
1296
1297     if (!this->controller->surface_exists(*surface_id))
1298     {
1299         return Err<json_object *>("Surface does not exist in controller!");
1300     }
1301
1302     auto layer_id = this->layers.get_layer_id(*surface_id);
1303     if (!layer_id)
1304     {
1305         return Err<json_object *>("Surface is not on any layer!");
1306     }
1307
1308     auto o_state = *this->layers.get_layout_state(*surface_id);
1309     if (o_state == nullptr)
1310     {
1311         return Err<json_object *>("Could not find layer for surface");
1312     }
1313
1314     struct LayoutState &state = *o_state;
1315     if ((state.main != *surface_id) && (state.sub != *surface_id))
1316     {
1317         return Err<json_object *>("Surface is inactive");
1318     }
1319
1320     // Set area rectangle
1321     compositor::rect area_info = this->area_info[*surface_id];
1322     json_object *object = json_object_new_object();
1323     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1324     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1325     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1326     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1327
1328     return Ok<json_object *>(object);
1329 }
1330
1331 void App::activate(int id)
1332 {
1333     auto ip = this->controller->sprops.find(id);
1334     if (ip != this->controller->sprops.end())
1335     {
1336         this->controller->surfaces[id]->set_visibility(1);
1337         char const *label =
1338             this->lookup_name(id).value_or("unknown-name").c_str();
1339
1340         // FOR CES DEMO >>>
1341         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1342         {
1343             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1344             {
1345                 if (id == *i)
1346                 {
1347                     // Remove id
1348                     this->surface_bg.erase(i);
1349
1350                     // Remove from BG layer (999)
1351                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1352                     this->controller->layers[999]->remove_surface(id);
1353
1354                     // Add to FG layer (1001)
1355                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1356                     this->controller->layers[1001]->add_surface(id);
1357
1358                     for (int j : this->surface_bg)
1359                     {
1360                         HMI_DEBUG("wm", "Stored id:%d", j);
1361                     }
1362                     break;
1363                 }
1364             }
1365         }
1366         // <<< FOR CES DEMO
1367         this->layout_commit();
1368
1369         this->emit_visible(label);
1370         this->emit_activated(label);
1371     }
1372 }
1373
1374 void App::deactivate(int id)
1375 {
1376     auto ip = this->controller->sprops.find(id);
1377     if (ip != this->controller->sprops.end())
1378     {
1379         char const *label =
1380             this->lookup_name(id).value_or("unknown-name").c_str();
1381
1382         // FOR CES DEMO >>>
1383         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1384         {
1385
1386             // Store id
1387             this->surface_bg.push_back(id);
1388
1389             // Remove from FG layer (1001)
1390             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1391             this->controller->layers[1001]->remove_surface(id);
1392
1393             // Add to BG layer (999)
1394             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1395             this->controller->layers[999]->add_surface(id);
1396
1397             for (int j : surface_bg)
1398             {
1399                 HMI_DEBUG("wm", "Stored id:%d", j);
1400             }
1401         }
1402         else
1403         {
1404             this->controller->surfaces[id]->set_visibility(0);
1405         }
1406         // <<< FOR CES DEMO
1407
1408         this->emit_deactivated(label);
1409         this->emit_invisible(label);
1410     }
1411 }
1412
1413 void App::deactivate_main_surface()
1414 {
1415     this->layers.main_surface = -1;
1416     std::string appid = "HomeScreen";
1417     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1418 }
1419
1420 bool App::can_split(struct LayoutState const &state, int new_id)
1421 {
1422     if (state.main != -1 && state.main != new_id)
1423     {
1424         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1425         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1426
1427         // surfaces are on separate layers, don't bother.
1428         if (new_id_layer != current_id_layer)
1429         {
1430             return false;
1431         }
1432
1433         std::string const &new_id_str = this->lookup_name(new_id).value();
1434         std::string const &cur_id_str = this->lookup_name(state.main).value();
1435
1436         auto const &layer = this->layers.get_layer(new_id_layer);
1437
1438         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1439
1440         if (layer->layouts.empty())
1441         {
1442             return false;
1443         }
1444
1445         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1446         {
1447             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1448             auto rem = std::regex(i->main_match);
1449             if (std::regex_match(cur_id_str, rem))
1450             {
1451                 // build the second one only if the first already matched
1452                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1453                 auto res = std::regex(i->sub_match);
1454                 if (std::regex_match(new_id_str, res))
1455                 {
1456                     HMI_DEBUG("wm", "layout matched!");
1457                     return true;
1458                 }
1459             }
1460         }
1461     }
1462
1463     return false;
1464 }
1465
1466 void App::try_layout(struct LayoutState & /*state*/,
1467                      struct LayoutState const &new_layout,
1468                      std::function<void(LayoutState const &nl)> apply)
1469 {
1470     if (this->policy.layout_is_valid(new_layout))
1471     {
1472         apply(new_layout);
1473     }
1474 }
1475
1476 /**
1477  * controller_hooks
1478  */
1479 void controller_hooks::surface_created(uint32_t surface_id)
1480 {
1481     this->app->surface_created(surface_id);
1482 }
1483
1484 void controller_hooks::surface_removed(uint32_t surface_id)
1485 {
1486     this->app->surface_removed(surface_id);
1487 }
1488
1489 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1490                                           uint32_t /*v*/) {}
1491
1492 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1493                                                      uint32_t /*x*/,
1494                                                      uint32_t /*y*/,
1495                                                      uint32_t /*w*/,
1496                                                      uint32_t /*h*/) {}
1497
1498 } // namespace wm