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     this->processNextRequest();
 128 }
 129
 130 void App::removeClient(const std::string &appid)
 131 {
 132     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 133     g_app_list.removeClient(appid);
 134 }
 135
 136 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 137 {
 138     if(!g_app_list.contains(appid)){
 139         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 140         return false;
 141     }
 142     auto client = g_app_list.lookUpClient(appid);
 143     return client->subscribe(req, evname);
 144 }
 145
 146 /**
 147  * App Impl
 148  */
 149 App::App(wl::display *d)
 150     : chooks{this},
 151       display{d},
 152       controller{},
 153       outputs(),
 154       config(),
 155       layers(),
 156       id_alloc{},
 157       pending_events(false),
 158       policy{}
 159 {
 160     try
 161     {
 162         {
 163             auto l = load_layer_map(
 164                 this->config.get_string("layers.json").value().c_str());
 165             if (l.is_ok())
 166             {
 167                 this->layers = l.unwrap();
 168             }
 169             else
 170             {
 171                 HMI_ERROR("wm", "%s", l.err().value());
 172             }
 173         }
 174     }
 175     catch (std::exception &e)
 176     {
 177         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 178     }
 179 }
 180
 181 int App::init()
 182 {
 183     if (!this->display->ok())
 184     {
 185         return -1;
 186     }
 187
 188     if (this->layers.mapping.empty())
 189     {
 190         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 191         return -1;
 192     }
 193
 194     // Make afb event
 195     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 196     {
 197         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 198     }
 199
 200     this->display->add_global_handler(
 201         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 202             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 203         });
 204
 205     this->display->add_global_handler(
 206         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 207             this->controller =
 208                 std::make_unique<struct compositor::controller>(r, name, v);
 209
 210             // Init controller hooks
 211             this->controller->chooks = &this->chooks;
 212
 213             // This protocol needs the output, so lets just add our mapping here...
 214             this->controller->add_proxy_to_id_mapping(
 215                 this->outputs.back()->proxy.get(),
 216                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 217                     this->outputs.back()->proxy.get())));
 218
 219             // Create screen
 220             this->controller->create_screen(this->outputs.back()->proxy.get());
 221
 222             // Set display to controller
 223             this->controller->display = this->display;
 224         });
 225
 226     // First level objects
 227     this->display->roundtrip();
 228     // Second level objects
 229     this->display->roundtrip();
 230     // Third level objects
 231     this->display->roundtrip();
 232
 233     return init_layers();
 234 }
 235
 236 int App::dispatch_pending_events()
 237 {
 238     if (this->pop_pending_events())
 239     {
 240         this->display->dispatch_pending();
 241         return 0;
 242     }
 243     return -1;
 244 }
 245
 246 bool App::pop_pending_events()
 247 {
 248     bool x{true};
 249     return this->pending_events.compare_exchange_strong(
 250         x, false, std::memory_order_consume);
 251 }
 252
 253 void App::set_pending_events()
 254 {
 255     this->pending_events.store(true, std::memory_order_release);
 256 }
 257
 258 optional<int> App::lookup_id(char const *name)
 259 {
 260     return this->id_alloc.lookup(std::string(name));
 261 }
 262 optional<std::string> App::lookup_name(int id)
 263 {
 264     return this->id_alloc.lookup(id);
 265 }
 266
 267 /**
 268  * init_layers()
 269  */
 270 int App::init_layers()
 271 {
 272     if (!this->controller)
 273     {
 274         HMI_ERROR("wm", "ivi_controller global not available");
 275         return -1;
 276     }
 277
 278     if (this->outputs.empty())
 279     {
 280         HMI_ERROR("wm", "no output was set up!");
 281         return -1;
 282     }
 283
 284     auto &c = this->controller;
 285
 286     auto &o = this->outputs.front();
 287     auto &s = c->screens.begin()->second;
 288     auto &layers = c->layers;
 289
 290     // Write output dimensions to ivi controller...
 291     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 292     c->physical_size = compositor::size{uint32_t(o->physical_width),
 293                                         uint32_t(o->physical_height)};
 294
 295     // Clear scene
 296     layers.clear();
 297
 298     // Clear screen
 299     s->clear();
 300
 301     // Quick and dirty setup of layers
 302     for (auto const &i : this->layers.mapping)
 303     {
 304         c->layer_create(i.second.layer_id, o->width, o->height);
 305         auto &l = layers[i.second.layer_id];
 306         l->set_destination_rectangle(0, 0, o->width, o->height);
 307         l->set_visibility(1);
 308         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 309                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 310     }
 311
 312     // Add layers to screen
 313     s->set_render_order(this->layers.layers);
 314
 315     this->layout_commit();
 316
 317     this->layers.setupArea(o->width, o->height);
 318
 319     return 0;
 320 }
 321
 322 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 323 {
 324     if (!this->controller->surface_exists(surface_id))
 325     {
 326         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 327         return;
 328     }
 329
 330     auto o_layer_id = this->layers.get_layer_id(surface_id);
 331
 332     if (!o_layer_id)
 333     {
 334         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 335         return;
 336     }
 337
 338     uint32_t layer_id = *o_layer_id;
 339
 340     auto const &layer = this->layers.get_layer(layer_id);
 341     auto rect = layer.value().rect;
 342     auto &s = this->controller->surfaces[surface_id];
 343
 344     int x = rect.x;
 345     int y = rect.y;
 346     int w = rect.w;
 347     int h = rect.h;
 348
 349     // less-than-0 values refer to MAX + 1 - $VALUE
 350     // e.g. MAX is either screen width or height
 351     if (w < 0)
 352     {
 353         w = this->controller->output_size.w + 1 + w;
 354     }
 355     if (h < 0)
 356     {
 357         h = this->controller->output_size.h + 1 + h;
 358     }
 359
 360     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 361               layer_id);
 362
 363     // set destination to the display rectangle
 364     s->set_destination_rectangle(x, y, w, h);
 365
 366     // update area information
 367     this->area_info[surface_id].x = x;
 368     this->area_info[surface_id].y = y;
 369     this->area_info[surface_id].w = w;
 370     this->area_info[surface_id].h = h;
 371
 372     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 373               surface_id, layer_id, x, y, w, h);
 374 }
 375
 376 void App::layout_commit()
 377 {
 378     this->controller->commit_changes();
 379     this->display->flush();
 380 }
 381
 382 void App::setTimer()
 383 {
 384     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 385     if (g_timer_ev_src == nullptr)
 386     {
 387         // firsttime set into sd_event
 388         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 389                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 390         if (ret < 0)
 391         {
 392             HMI_ERROR("wm", "Could't set timer");
 393         }
 394     }
 395     else
 396     {
 397         // update timer limitation after second time
 398         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 399         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 400     }
 401 }
 402
 403 void App::stopTimer()
 404 {
 405     unsigned req_num = g_app_list.currentRequestNumber();
 406     HMI_SEQ_DEBUG(req_num, "Timer stop");
 407     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 408     if (rc < 0)
 409     {
 410         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 411     }
 412 }
 413
 414 WMError App::lm_release(const struct WMAction &action)
 415 {
 416     //auto const &surface_id = this->lookup_id(drawing_name);
 417     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 418     unsigned req_num = g_app_list.currentRequestNumber();
 419     auto const &surface_id = this->lookup_id(action.role.c_str());
 420     if (!surface_id)
 421     {
 422         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 423         return ret;
 424     }
 425
 426     if (*surface_id == this->layers.main_surface)
 427     {
 428         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 429         return ret;
 430     }
 431
 432     auto o_state = *this->layers.get_layout_state(*surface_id);
 433
 434     if (o_state == nullptr)
 435     {
 436         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 437         return ret;
 438     }
 439
 440     struct LayoutState &state = *o_state;
 441
 442     if (state.main == -1)
 443     {
 444         HMI_SEQ_ERROR(req_num, "No surface active");
 445         return ret;
 446     }
 447
 448     // Check against main_surface, main_surface_name is the configuration item.
 449     if (*surface_id == this->layers.main_surface)
 450     {
 451         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 452         //reply(nullptr);
 453         return WMError::SUCCESS;
 454     }
 455     if ((state.main == *surface_id) && (state.sub == *surface_id))
 456     {
 457         HMI_SEQ_ERROR(req_num, "Surface is not active");
 458         return ret;
 459     }
 460
 461     if (state.main == *surface_id)
 462     {
 463         if (state.sub != -1)
 464         {
 465             this->try_layout(
 466                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 467                     std::string sub = std::move(*this->lookup_name(state.sub));
 468
 469                     this->deactivate(*surface_id);
 470                     this->surface_set_layout(state.sub);
 471                     state = nl;
 472
 473                     this->layout_commit();
 474                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 475                     compositor::rect area_rect = this->area_info[state.sub];
 476                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 477                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 478                     this->enqueue_flushdraw(state.sub);
 479                 });
 480         }
 481         else
 482         {
 483             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 484                 this->deactivate(*surface_id);
 485                 state = nl;
 486                 this->layout_commit();
 487             });
 488         }
 489     }
 490     else if (state.sub == *surface_id)
 491     {
 492         this->try_layout(
 493             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 494                 std::string main = std::move(*this->lookup_name(state.main));
 495
 496                 this->deactivate(*surface_id);
 497                 this->surface_set_layout(state.main);
 498                 state = nl;
 499
 500                 this->layout_commit();
 501                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 502                 compositor::rect area_rect = this->area_info[state.main];
 503                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 504                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 505                 this->enqueue_flushdraw(state.main);
 506             });
 507     }
 508     return WMError::SUCCESS;
 509 }
 510
 511 WMError App::doTransition(unsigned req_num)
 512 {
 513     HMI_SEQ_DEBUG(req_num, "check policy");
 514     WMError ret = this->checkPolicy(req_num);
 515     if (ret != WMError::SUCCESS)
 516     {
 517         return ret;
 518     }
 519     HMI_SEQ_DEBUG(req_num, "Start transition.");
 520     ret = this->startTransition(req_num);
 521     return ret;
 522 }
 523
 524 WMError App::checkPolicy(unsigned req_num)
 525 {
 526     /*
 527     * Check Policy
 528     */
 529     // get current trigger
 530     bool found = false;
 531     bool split = false;
 532     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 533     auto trigger = g_app_list.getRequest(req_num, &found);
 534     if (!found)
 535     {
 536         ret = WMError::NO_ENTRY;
 537         return ret;
 538     }
 539     std::string req_area = trigger.area;
 540
 541     // >>>> Compatible with current window manager until policy manager coming
 542     if (trigger.task == Task::TASK_ALLOCATE)
 543     {
 544         HMI_SEQ_DEBUG(req_num, "Check split or not");
 545         const char *msg = this->check_surface_exist(trigger.role.c_str());
 546
 547         if (msg)
 548         {
 549             HMI_SEQ_ERROR(req_num, msg);
 550             ret = WMError::LAYOUT_CHANGE_FAIL;
 551             return ret;
 552         }
 553
 554         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 555         auto o_state = *this->layers.get_layout_state(*surface_id);
 556         struct LayoutState &state = *o_state;
 557
 558         unsigned curernt_sid = state.main;
 559         split = this->can_split(state, *surface_id);
 560
 561         if (split)
 562         {
 563             HMI_SEQ_DEBUG(req_num, "Split happens");
 564             // Get current visible role
 565             std::string add_role = this->lookup_name(state.main).value();
 566             // Set next area
 567             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 568             // Change request area
 569             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 570             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen", trigger.area, req_area);
 571             // set another action
 572             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 573             if (!found)
 574             {
 575                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
 576                 ret = WMError::NOT_REGISTERED;
 577                 return ret;
 578             }
 579             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 580                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 581             // Set split action
 582             bool end_draw_finished = false;
 583             WMAction split_action{
 584                 add_name,
 585                 add_role,
 586                 add_area,
 587                 TaskVisible::VISIBLE,
 588                 end_draw_finished};
 589             WMError ret = g_app_list.setAction(req_num, split_action);
 590             if (ret != WMError::SUCCESS)
 591             {
 592                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 593                 return ret;
 594             }
 595             g_app_list.reqDump();
 596         }
 597     }
 598     else
 599     {
 600         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
 601     }
 602
 603     // Set invisible task(Remove if policy manager finish)
 604     ret = this->setInvisibleTask(trigger.role, split);
 605     if(ret != WMError::SUCCESS)
 606     {
 607         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
 608         return ret;
 609     }
 610
 611     /*  get new status from Policy Manager */
 612     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 613     TaskVisible task_visible = (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 614
 615     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
 616     g_app_list.reqDump();
 617
 618     return ret;
 619 }
 620
 621 WMError App::startTransition(unsigned req_num)
 622 {
 623     bool sync_draw_happen = false;
 624     bool found = false;
 625     WMError ret = WMError::SUCCESS;
 626     auto actions = g_app_list.getActions(req_num, &found);
 627     if (!found)
 628     {
 629         ret = WMError::NO_ENTRY;
 630         HMI_SEQ_ERROR(req_num, "Window Manager bug :%s : Action is not set", errorDescription(ret));
 631         return ret;
 632     }
 633
 634     for (const auto &y : actions)
 635     {
 636         if (y.visible != TaskVisible::INVISIBLE)
 637         {
 638             sync_draw_happen = true;
 639             this->emit_syncdraw(y.role, y.area);
 640             /* TODO: emit event for app not subscriber
 641             if(g_app_list.contains(y.appid))
 642                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 643         }
 644     }
 645
 646     if (sync_draw_happen)
 647     {
 648         this->setTimer();
 649     }
 650     else
 651     {
 652         // deactivate only, no syncDraw
 653         // Make it deactivate here
 654         for (const auto &z : actions)
 655         {
 656             if (g_app_list.contains(z.appid))
 657             {
 658                 auto client = g_app_list.lookUpClient(z.appid);
 659                 this->deactivate(client->surfaceID(z.role));
 660             }
 661         }
 662         ret = NO_LAYOUT_CHANGE;
 663     }
 664     return ret;
 665 }
 666
 667 WMError App::setInvisibleTask(const std::string &role, bool split)
 668 {
 669     unsigned req = g_app_list.currentRequestNumber();
 670     HMI_SEQ_DEBUG(req, "set current visible app to invisible task");
 671     // This task is copied from original actiavete surface
 672     const char *drawing_name = role.c_str();
 673     auto const &surface_id = this->lookup_id(drawing_name);
 674     auto layer_id = this->layers.get_layer_id(*surface_id);
 675     auto o_state = *this->layers.get_layout_state(*surface_id);
 676     struct LayoutState &state = *o_state;
 677     std::string add_name, add_role;
 678     std::string add_area = "";
 679     int surface;
 680     TaskVisible task_visible = TaskVisible::INVISIBLE;
 681     bool end_draw_finished = true;
 682     bool found = false;
 683
 684     for (auto const &l : this->layers.mapping)
 685     {
 686         if (l.second.layer_id <= *layer_id)
 687         {
 688             continue;
 689         }
 690         if (l.second.state.main != -1)
 691         {
 692             //this->deactivate(l.second.state.main);
 693             surface = l.second.state.main;
 694             add_role = *this->id_alloc.lookup(surface);
 695             add_name = g_app_list.getAppID(surface, add_role, &found);
 696             if(!found){
 697                 return WMError::NOT_REGISTERED;
 698             }
 699             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
 700             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 701             g_app_list.setAction(req, act);
 702             l.second.state.main = -1;
 703         }
 704
 705         if (l.second.state.sub != -1)
 706         {
 707             //this->deactivate(l.second.state.sub);
 708             surface = l.second.state.sub;
 709             add_role = *this->id_alloc.lookup(surface);
 710             add_name = g_app_list.getAppID(surface, add_role, &found);
 711             if (!found)
 712             {
 713                 return WMError::NOT_REGISTERED;
 714             }
 715             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
 716             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 717             g_app_list.setAction(req, act);
 718             l.second.state.sub = -1;
 719         }
 720     }
 721
 722     // change current state here, but this is hack
 723     auto layer = this->layers.get_layer(*layer_id);
 724
 725     if (state.main == -1)
 726     {
 727         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 728         //state = LayoutState{*surface_id};
 729         /* this->try_layout(
 730             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 731                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 732                 //this->surface_set_layout(*surface_id);
 733                 state = nl;
 734
 735                 //compositor::rect area_rect = this->area_info[*surface_id];
 736             }); */
 737     }
 738     else
 739     {
 740         if (0 != strcmp(drawing_name, "HomeScreen"))
 741         {
 742             if (split)
 743             {
 744                 std::string main =
 745                     std::move(*this->id_alloc.lookup(state.main));
 746                 if (state.sub != *surface_id)
 747                 {
 748                     if (state.sub != -1)
 749                     {
 750                         //this->deactivate(state.sub);
 751                         WMAction deact_sub;
 752                         deact_sub.role = main;
 753                         deact_sub.area = add_area;
 754                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
 755                         if (!found)
 756                         {
 757                             HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 758                             return WMError::NOT_REGISTERED;
 759                         }
 760                         deact_sub.visible = task_visible;
 761                         deact_sub.end_draw_finished = end_draw_finished;
 762                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 763                         g_app_list.setAction(req, deact_sub);
 764                     }
 765                 }
 766                 //state = LayoutState{state.main, *surface_id};
 767             }
 768             else
 769             {
 770                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 771
 772                 //this->surface_set_layout(*surface_id);
 773                 if (state.main != *surface_id)
 774                 {
 775                     // this->deactivate(state.main);
 776                     WMAction deact_main;
 777                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
 778                     ;
 779                     deact_main.area = add_area;
 780                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
 781                     if (!found)
 782                     {
 783                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 784                         return WMError::NOT_REGISTERED;
 785                     }
 786                     deact_main.visible = task_visible;
 787                     deact_main.end_draw_finished = end_draw_finished;
 788                     HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 789                     g_app_list.setAction(req, deact_main);
 790                 }
 791                 if (state.sub != -1)
 792                 {
 793                     if (state.sub != *surface_id)
 794                     {
 795                         //this->deactivate(state.sub);
 796                         WMAction deact_sub;
 797                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
 798                         ;
 799                         deact_sub.area = add_area;
 800                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
 801                         if (!found)
 802                         {
 803                             HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 804                             return WMError::NOT_REGISTERED;
 805                         }
 806                         deact_sub.visible = task_visible;
 807                         deact_sub.end_draw_finished = end_draw_finished;
 808                         HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 809                         g_app_list.setAction(req, deact_sub);
 810                     }
 811                 }
 812                 //state = LayoutState{*surface_id};
 813             }
 814         }
 815     }
 816     return WMError::SUCCESS;
 817 }
 818
 819 const char *App::check_surface_exist(const char *drawing_name)
 820 {
 821     auto const &surface_id = this->lookup_id(drawing_name);
 822     if (!surface_id)
 823     {
 824         //reply("Surface does not exist");
 825         return "Surface does not exist";
 826     }
 827
 828     if (!this->controller->surface_exists(*surface_id))
 829     {
 830         //reply("Surface does not exist in controller!");
 831         return "Surface does not exist in controller!";
 832     }
 833
 834     auto layer_id = this->layers.get_layer_id(*surface_id);
 835
 836     if (!layer_id)
 837     {
 838         //reply("Surface is not on any layer!");
 839         return "Surface is not on any layer!";
 840     }
 841
 842     auto o_state = *this->layers.get_layout_state(*surface_id);
 843
 844     if (o_state == nullptr)
 845     {
 846         //reply("Could not find layer for surface");
 847         return "Could not find layer for surface";
 848     }
 849
 850     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 851     return nullptr;
 852     //reply(nullptr);
 853 }
 854
 855 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 856                             Task task, unsigned* req_num)
 857 {
 858     if (!g_app_list.contains(appid))
 859     {
 860         return WMError::NOT_REGISTERED;
 861     }
 862
 863     auto client = g_app_list.lookUpClient(appid);
 864
 865     /*
 866    * Queueing Phase
 867    */
 868     unsigned current = g_app_list.currentRequestNumber();
 869     unsigned requested_num = g_app_list.getRequestNumber(appid);
 870     if (requested_num != 0)
 871     {
 872         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 873         return REQ_REJECTED;
 874     }
 875
 876     WMRequest req = WMRequest(appid, role, area, task);
 877     unsigned new_req = g_app_list.addAllocateRequest(req);
 878     *req_num = new_req;
 879     g_app_list.reqDump();
 880
 881     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 882
 883     return WMError::SUCCESS;
 884 }
 885
 886 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 887 {
 888     ST();
 889
 890     std::string id = appid;
 891     std::string role = drawing_name;
 892     std::string area = drawing_area;
 893     Task task = Task::TASK_ALLOCATE;
 894     unsigned req_num = 0;
 895     WMError ret = WMError::UNKNOWN;
 896
 897     ret = this->setRequest(id, role, area, task, &req_num);
 898
 899     if(ret != WMError::SUCCESS)
 900     {
 901         HMI_ERROR("wm", errorDescription(ret));
 902         reply("Failed to set request");
 903         return;
 904     }
 905
 906     reply(nullptr);
 907     if (req_num != g_app_list.currentRequestNumber())
 908     {
 909         // Add request, then invoked after the previous task is finished
 910         HMI_SEQ_DEBUG(req_num, "request is accepted");
 911         return;
 912     }
 913
 914     /*
 915     * Do allocate tasks
 916     */
 917     ret = this->doTransition(req_num);
 918
 919     if (ret != WMError::SUCCESS)
 920     {
 921         //this->emit_error()
 922         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 923         g_app_list.removeRequest(req_num);
 924         g_app_list.next();
 925         g_app_list.reqDump();
 926     }
 927 }
 928
 929 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 930 {
 931     ST();
 932
 933     /*
 934    * Check Phase
 935    */
 936     std::string id = appid;
 937     std::string role = drawing_name;
 938     std::string area = ""; //drawing_area;
 939
 940     if (!g_app_list.contains(id))
 941     {
 942         reply("app doesn't request 'requestSurface' yet");
 943         return;
 944     }
 945     auto client = g_app_list.lookUpClient(id);
 946
 947     /*
 948    * Queueing Phase
 949    */
 950     unsigned current = g_app_list.currentRequestNumber();
 951     unsigned requested_num = g_app_list.getRequestNumber(id);
 952     if (requested_num != 0)
 953     {
 954         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 955         reply("already requested");
 956         return;
 957     }
 958
 959     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 960     unsigned new_req = g_app_list.addAllocateRequest(req);
 961     g_app_list.reqDump();
 962
 963     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 964
 965     reply(nullptr);
 966     if (new_req != current)
 967     {
 968         // Add request, then invoked after the previous task is finished
 969         HMI_SEQ_DEBUG(new_req, "request is accepted");
 970         return;
 971     }
 972
 973     /*
 974     * Do allocate tasks
 975     */
 976     WMError ret = this->doTransition(new_req);
 977
 978     if (ret != WMError::SUCCESS)
 979     {
 980         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 981         g_app_list.removeRequest(new_req);
 982         g_app_list.next();
 983         //this->emit_error()
 984     }
 985 }
 986
 987 void App::enqueue_flushdraw(int surface_id)
 988 {
 989     this->check_flushdraw(surface_id);
 990     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 991     this->pending_end_draw.push_back(surface_id);
 992 }
 993
 994 void App::check_flushdraw(int surface_id)
 995 {
 996     auto i = std::find(std::begin(this->pending_end_draw),
 997                        std::end(this->pending_end_draw), surface_id);
 998     if (i != std::end(this->pending_end_draw))
 999     {
1000         auto n = this->lookup_name(surface_id);
1001         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1002                   n ? n->c_str() : "unknown-name", surface_id);
1003         std::swap(this->pending_end_draw[std::distance(
1004                       std::begin(this->pending_end_draw), i)],
1005                   this->pending_end_draw.back());
1006         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1007     }
1008 }
1009
1010 WMError App::doEndDraw(unsigned req_num)
1011 {
1012     // get actions
1013     bool found;
1014     auto actions = g_app_list.getActions(req_num, &found);
1015     WMError ret = WMError::SUCCESS;
1016     if (!found)
1017     {
1018         ret = WMError::NO_ENTRY;
1019         return ret;
1020     }
1021
1022     HMI_SEQ_INFO(req_num, "do endDraw");
1023
1024     // layout change and make it visible
1025     for (const auto &act : actions)
1026     {
1027         // layout change
1028         if(!g_app_list.contains(act.appid)){
1029             ret = WMError::NOT_REGISTERED;
1030         }
1031         ret = this->layoutChange(act);
1032         if(ret != WMError::SUCCESS)
1033         {
1034             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1035             return ret;
1036         }
1037         ret = this->visibilityChange(act);
1038         if (ret != WMError::SUCCESS)
1039         {
1040             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1041             return ret;
1042         }
1043         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1044         //this->lm_enddraw(act.role.c_str());
1045     }
1046
1047     // Change current state
1048     this->changeCurrentState(req_num);
1049
1050     HMI_SEQ_INFO(req_num, "emit flushDraw");
1051
1052     for(const auto &act_flush : actions)
1053     {
1054         if(act_flush.visible != TaskVisible::INVISIBLE)
1055         {
1056             this->emit_flushdraw(act_flush.role.c_str());
1057         }
1058     }
1059
1060     return ret;
1061 }
1062
1063 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1064 {
1065     this->surface_set_layout(surface);
1066
1067     return WMError::SUCCESS;
1068 }
1069
1070 WMError App::layoutChange(const WMAction &action)
1071 {
1072     if (action.visible == TaskVisible::INVISIBLE)
1073     {
1074         // Visibility is not change -> no redraw is required
1075         return WMError::SUCCESS;
1076     }
1077     auto client = g_app_list.lookUpClient(action.appid);
1078     unsigned surface = client->surfaceID(action.role);
1079     if (surface == 0)
1080     {
1081         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1082                       "client doesn't have surface with role(%s)", action.role.c_str());
1083         return WMError::NOT_REGISTERED;
1084     }
1085     // Layout Manager
1086     WMError ret = this->setSurfaceSize(surface, action.area);
1087     return ret;
1088 }
1089
1090 WMError App::visibilityChange(const WMAction &action)
1091 {
1092     auto client = g_app_list.lookUpClient(action.appid);
1093     unsigned surface = client->surfaceID(action.role);
1094     if(surface == 0)
1095     {
1096         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1097                       "client doesn't have surface with role(%s)", action.role.c_str());
1098         return WMError::NOT_REGISTERED;
1099     }
1100
1101     if (action.visible != TaskVisible::INVISIBLE)
1102     {
1103         this->activate(surface); // Layout Manager task
1104     }
1105     else
1106     {
1107         this->deactivate(surface); // Layout Manager task
1108     }
1109     return WMError::SUCCESS;
1110 }
1111
1112 WMError App::changeCurrentState(unsigned req_num)
1113 {
1114     HMI_SEQ_DEBUG(req_num, "Change current layout status");
1115     bool trigger_found = false, action_found = false;
1116     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1117     auto actions = g_app_list.getActions(req_num, &action_found);
1118     //auto client = g_app_list.lookUpClient(trigger.appid);
1119     //auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(trigger.role));
1120     //pCurState = state;
1121     if (!trigger_found || !action_found)
1122     {
1123         HMI_SEQ_ERROR(req_num, "Action not found");
1124         return WMError::LAYOUT_CHANGE_FAIL;
1125     }
1126
1127     // Layout state reset
1128     struct LayoutState reset_state{-1, -1};
1129     HMI_SEQ_DEBUG(req_num."Reset layout state");
1130     for (const auto &action : actions)
1131     {
1132         auto client = g_app_list.lookUpClient(trigger.appid);
1133         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(trigger.role));
1134         *pCurState = reset_state;
1135     }
1136
1137     for(const auto &action : actions)
1138     {
1139         auto client = g_app_list.lookUpClient(action.appid);
1140         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(trigger.role));
1141         int surface = -1;
1142         if(action.visible != TaskVisible::INVISIBLE)
1143         {
1144             surface = (int)client->surfaceID(action.role);
1145         }
1146         if (action.visible != TaskVisible::INVISIBLE)
1147         {
1148             // visible == true -> layout changes
1149             if(action.area == "normal.full" || action.area == "split.main")
1150             {
1151                 pLayerCurState->main = surface;
1152             }
1153             else if(action.role == "split.sub")
1154             {
1155                 pLayerCurState->sub = surface;
1156             }
1157             else
1158             {
1159                 // normalfull
1160                 pLayerCurState->main = surface;
1161             }
1162         }
1163     }
1164
1165     return WMError::SUCCESS;
1166 }
1167
1168 void App::api_enddraw(char const *appid, char const *drawing_name)
1169 {
1170     std::string id = appid;
1171     std::string role = drawing_name;
1172     unsigned current_req = g_app_list.currentRequestNumber();
1173     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1174
1175     if (!result)
1176     {
1177         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1178         return;
1179     }
1180
1181     if (g_app_list.endDrawFullfilled(current_req))
1182     {
1183         // do task for endDraw
1184         this->stopTimer();
1185         WMError ret = this->doEndDraw(current_req);
1186
1187         if(ret != WMError::SUCCESS)
1188         {
1189             //this->emit_error();
1190         }
1191         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1192
1193         g_app_list.removeRequest(current_req);
1194
1195         this->processNextRequest();
1196     }
1197     else
1198     {
1199         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1200         return;
1201     }
1202 }
1203
1204 void App::processNextRequest()
1205 {
1206     g_app_list.next();
1207     g_app_list.reqDump();
1208     unsigned req_num = g_app_list.currentRequestNumber();
1209     if (g_app_list.haveRequest())
1210     {
1211         HMI_SEQ_DEBUG(req_num, "Process next request");
1212         WMError rc = doTransition(req_num);
1213         if (rc != WMError::SUCCESS)
1214         {
1215             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1216         }
1217     }
1218     else
1219     {
1220         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1221     }
1222 }
1223
1224 void App::api_ping() { this->dispatch_pending_events(); }
1225
1226 void App::send_event(char const *evname, char const *label)
1227 {
1228     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1229
1230     json_object *j = json_object_new_object();
1231     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1232
1233     int ret = afb_event_push(this->map_afb_event[evname], j);
1234     if (ret != 0)
1235     {
1236         HMI_DEBUG("wm", "afb_event_push failed: %m");
1237     }
1238 }
1239
1240 void App::send_event(char const *evname, char const *label, char const *area,
1241                      int x, int y, int w, int h)
1242 {
1243     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1244               __func__, evname, label, area, x, y, w, h);
1245
1246     json_object *j_rect = json_object_new_object();
1247     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1248     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1249     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1250     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1251
1252     json_object *j = json_object_new_object();
1253     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1254     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1255     json_object_object_add(j, kKeyDrawingRect, j_rect);
1256
1257     int ret = afb_event_push(this->map_afb_event[evname], j);
1258     if (ret != 0)
1259     {
1260         HMI_DEBUG("wm", "afb_event_push failed: %m");
1261     }
1262 }
1263
1264 /**
1265  * proxied events
1266  */
1267 void App::surface_created(uint32_t surface_id)
1268 {
1269     auto layer_id = this->layers.get_layer_id(surface_id);
1270     if (!layer_id)
1271     {
1272         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1273                   surface_id);
1274         return;
1275     }
1276
1277     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1278
1279     this->controller->layers[*layer_id]->add_surface(surface_id);
1280     this->layout_commit();
1281     // activate the main_surface right away
1282     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1283       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1284
1285       this->api_activate_surface(
1286          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1287    }*/
1288
1289     // search pid from surfaceID
1290
1291     // pick up appid from pid from application manager
1292
1293     // check appid then add it to the client
1294 }
1295
1296 void App::surface_removed(uint32_t surface_id)
1297 {
1298     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1299
1300     g_app_list.removeSurface(surface_id);
1301 }
1302
1303 void App::emit_activated(char const *label)
1304 {
1305     this->send_event(kListEventName[Event_Active], label);
1306 }
1307
1308 void App::emit_deactivated(char const *label)
1309 {
1310     this->send_event(kListEventName[Event_Inactive], label);
1311 }
1312
1313 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1314 {
1315     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1316 }
1317
1318 void App::emit_syncdraw(const std::string &role, const std::string &area)
1319 {
1320     compositor::rect rect = this->layers.getAreaSize(area);
1321     //this->lm_get_area_info(area, &x, &y, &w, &h);
1322     this->send_event(kListEventName[Event_SyncDraw],
1323         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1324 }
1325
1326 void App::emit_flushdraw(char const *label)
1327 {
1328     this->send_event(kListEventName[Event_FlushDraw], label);
1329 }
1330
1331 void App::emit_visible(char const *label, bool is_visible)
1332 {
1333     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1334 }
1335
1336 void App::emit_invisible(char const *label)
1337 {
1338     return emit_visible(label, false);
1339 }
1340
1341 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1342
1343 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1344 {
1345     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1346     if (!lid)
1347     {
1348         /**
1349        * register drawing_name as fallback and make it displayed.
1350        */
1351         lid = this->layers.get_layer_id(std::string("Fallback"));
1352         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1353         if (!lid)
1354         {
1355             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1356         }
1357     }
1358
1359     auto rname = this->lookup_id(drawing_name);
1360     if (!rname)
1361     {
1362         // name does not exist yet, allocate surface id...
1363         auto id = int(this->id_alloc.generate_id(drawing_name));
1364         this->layers.add_surface(id, *lid);
1365
1366         // set the main_surface[_name] here and now
1367         if (!this->layers.main_surface_name.empty() &&
1368             this->layers.main_surface_name == drawing_name)
1369         {
1370             this->layers.main_surface = id;
1371             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1372         }
1373
1374         // add client into the db
1375         std::string appid_str(appid);
1376         std::string role(drawing_name);
1377         //g_app_list.addClient(appid_str, role);
1378         g_app_list.addClient(appid_str, *lid, id, role);
1379
1380         return Ok<int>(id);
1381     }
1382
1383     // Check currently registered drawing names if it is already there.
1384     return Err<int>("Surface already present");
1385 }
1386
1387 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1388                                      char const *ivi_id)
1389 {
1390     ST();
1391
1392     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1393     unsigned sid = std::stol(ivi_id);
1394
1395     if (!lid)
1396     {
1397         /**
1398        * register drawing_name as fallback and make it displayed.
1399        */
1400         lid = this->layers.get_layer_id(std::string("Fallback"));
1401         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1402         if (!lid)
1403         {
1404             return "Drawing name does not match any role, Fallback is disabled";
1405         }
1406     }
1407
1408     auto rname = this->lookup_id(drawing_name);
1409
1410     if (rname)
1411     {
1412         return "Surface already present";
1413     }
1414
1415     // register pair drawing_name and ivi_id
1416     this->id_alloc.register_name_id(drawing_name, sid);
1417     this->layers.add_surface(sid, *lid);
1418
1419     // this surface is already created
1420     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1421
1422     this->controller->layers[*lid]->add_surface(sid);
1423     this->layout_commit();
1424
1425     return nullptr;
1426 }
1427
1428 result<json_object *> App::api_get_display_info()
1429 {
1430     // Check controller
1431     if (!this->controller)
1432     {
1433         return Err<json_object *>("ivi_controller global not available");
1434     }
1435
1436     // Set display info
1437     compositor::size o_size = this->controller->output_size;
1438     compositor::size p_size = this->controller->physical_size;
1439
1440     json_object *object = json_object_new_object();
1441     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1442     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1443     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1444     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1445
1446     return Ok<json_object *>(object);
1447 }
1448
1449 result<json_object *> App::api_get_area_info(char const *drawing_name)
1450 {
1451     HMI_DEBUG("wm", "called");
1452
1453     // Check drawing name, surface/layer id
1454     auto const &surface_id = this->lookup_id(drawing_name);
1455     if (!surface_id)
1456     {
1457         return Err<json_object *>("Surface does not exist");
1458     }
1459
1460     if (!this->controller->surface_exists(*surface_id))
1461     {
1462         return Err<json_object *>("Surface does not exist in controller!");
1463     }
1464
1465     auto layer_id = this->layers.get_layer_id(*surface_id);
1466     if (!layer_id)
1467     {
1468         return Err<json_object *>("Surface is not on any layer!");
1469     }
1470
1471     auto o_state = *this->layers.get_layout_state(*surface_id);
1472     if (o_state == nullptr)
1473     {
1474         return Err<json_object *>("Could not find layer for surface");
1475     }
1476
1477     struct LayoutState &state = *o_state;
1478     if ((state.main != *surface_id) && (state.sub != *surface_id))
1479     {
1480         return Err<json_object *>("Surface is inactive");
1481     }
1482
1483     // Set area rectangle
1484     compositor::rect area_info = this->area_info[*surface_id];
1485     json_object *object = json_object_new_object();
1486     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1487     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1488     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1489     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1490
1491     return Ok<json_object *>(object);
1492 }
1493
1494 void App::activate(int id)
1495 {
1496     auto ip = this->controller->sprops.find(id);
1497     if (ip != this->controller->sprops.end())
1498     {
1499         this->controller->surfaces[id]->set_visibility(1);
1500         char const *label =
1501             this->lookup_name(id).value_or("unknown-name").c_str();
1502
1503          // FOR CES DEMO >>>
1504         if ((0 == strcmp(label, "Radio"))       ||
1505             (0 == strcmp(label, "MediaPlayer")) ||
1506             (0 == strcmp(label, "Music"))       ||
1507             (0 == strcmp(label, "Navigation")))
1508         {
1509             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1510             {
1511                 if (id == *i)
1512                 {
1513                     // Remove id
1514                     this->surface_bg.erase(i);
1515
1516                     // Remove from BG layer (999)
1517                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1518                     this->controller->layers[999]->remove_surface(id);
1519
1520                     // Add to FG layer (1001)
1521                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1522                     this->controller->layers[1001]->add_surface(id);
1523
1524                     for (int j : this->surface_bg)
1525                     {
1526                         HMI_DEBUG("wm", "Stored id:%d", j);
1527                     }
1528                     break;
1529                 }
1530             }
1531         }
1532         // <<< FOR CES DEMO
1533         this->layout_commit();
1534
1535         this->emit_visible(label);
1536         this->emit_activated(label);
1537     }
1538 }
1539
1540 void App::deactivate(int id)
1541 {
1542     auto ip = this->controller->sprops.find(id);
1543     if (ip != this->controller->sprops.end())
1544     {
1545         char const *label =
1546             this->lookup_name(id).value_or("unknown-name").c_str();
1547
1548         // FOR CES DEMO >>>
1549         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1550         {
1551
1552             // Store id
1553             this->surface_bg.push_back(id);
1554
1555             // Remove from FG layer (1001)
1556             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1557             this->controller->layers[1001]->remove_surface(id);
1558
1559             // Add to BG layer (999)
1560             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1561             this->controller->layers[999]->add_surface(id);
1562
1563             for (int j : surface_bg)
1564             {
1565                 HMI_DEBUG("wm", "Stored id:%d", j);
1566             }
1567         }
1568         else
1569         {
1570             this->controller->surfaces[id]->set_visibility(0);
1571         }
1572         // <<< FOR CES DEMO
1573
1574         this->emit_deactivated(label);
1575         this->emit_invisible(label);
1576     }
1577 }
1578
1579 void App::deactivate_main_surface()
1580 {
1581     this->layers.main_surface = -1;
1582     std::string appid = "HomeScreen";
1583     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1584 }
1585
1586 bool App::can_split(struct LayoutState const &state, int new_id)
1587 {
1588     if (state.main != -1 && state.main != new_id)
1589     {
1590         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1591         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1592
1593         // surfaces are on separate layers, don't bother.
1594         if (new_id_layer != current_id_layer)
1595         {
1596             return false;
1597         }
1598
1599         std::string const &new_id_str = this->lookup_name(new_id).value();
1600         std::string const &cur_id_str = this->lookup_name(state.main).value();
1601
1602         auto const &layer = this->layers.get_layer(new_id_layer);
1603
1604         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1605
1606         if (layer->layouts.empty())
1607         {
1608             return false;
1609         }
1610
1611         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1612         {
1613             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1614             auto rem = std::regex(i->main_match);
1615             if (std::regex_match(cur_id_str, rem))
1616             {
1617                 // build the second one only if the first already matched
1618                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1619                 auto res = std::regex(i->sub_match);
1620                 if (std::regex_match(new_id_str, res))
1621                 {
1622                     HMI_DEBUG("wm", "layout matched!");
1623                     return true;
1624                 }
1625             }
1626         }
1627     }
1628
1629     return false;
1630 }
1631
1632 void App::try_layout(struct LayoutState & /*state*/,
1633                      struct LayoutState const &new_layout,
1634                      std::function<void(LayoutState const &nl)> apply)
1635 {
1636     if (this->policy.layout_is_valid(new_layout))
1637     {
1638         apply(new_layout);
1639     }
1640 }
1641
1642 /**
1643  * controller_hooks
1644  */
1645 void controller_hooks::surface_created(uint32_t surface_id)
1646 {
1647     this->app->surface_created(surface_id);
1648 }
1649
1650 void controller_hooks::surface_removed(uint32_t surface_id)
1651 {
1652     this->app->surface_removed(surface_id);
1653 }
1654
1655 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1656                                           uint32_t /*v*/) {}
1657
1658 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1659                                                      uint32_t /*x*/,
1660                                                      uint32_t /*y*/,
1661                                                      uint32_t /*w*/,
1662                                                      uint32_t /*h*/) {}
1663
1664 } // namespace wm