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     return 0;
 318 }
 319
 320 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
 321 {
 322     if (!this->controller->surface_exists(surface_id))
 323     {
 324         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 325         return;
 326     }
 327
 328     auto o_layer_id = this->layers.get_layer_id(surface_id);
 329
 330     if (!o_layer_id)
 331     {
 332         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 333         return;
 334     }
 335
 336     uint32_t layer_id = *o_layer_id;
 337
 338     auto const &layer = this->layers.get_layer(layer_id);
 339     auto rect = layer.value().rect;
 340     auto &s = this->controller->surfaces[surface_id];
 341
 342     int x = rect.x;
 343     int y = rect.y;
 344     int w = rect.w;
 345     int h = rect.h;
 346
 347     // less-than-0 values refer to MAX + 1 - $VALUE
 348     // e.g. MAX is either screen width or height
 349     if (w < 0)
 350     {
 351         w = this->controller->output_size.w + 1 + w;
 352     }
 353     if (h < 0)
 354     {
 355         h = this->controller->output_size.h + 1 + h;
 356     }
 357
 358     /* if (sub_surface_id)
 359     {
 360         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
 361         {
 362             HMI_ERROR("wm",
 363                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
 364                       surface_id, *sub_surface_id);
 365             return;
 366         }
 367
 368         int x_off = 0;
 369         int y_off = 0;
 370
 371         // split along major axis
 372         if (w > h)
 373         {
 374             w /= 2;
 375             x_off = w;
 376         }
 377         else
 378         {
 379             h /= 2;
 380             y_off = h;
 381         }
 382
 383         auto &ss = this->controller->surfaces[*sub_surface_id];
 384
 385         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
 386                   *sub_surface_id, layer_id);
 387
 388         // set destination to the display rectangle
 389         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 390
 391         this->area_info[*sub_surface_id].x = x;
 392         this->area_info[*sub_surface_id].y = y;
 393         this->area_info[*sub_surface_id].w = w;
 394         this->area_info[*sub_surface_id].h = h;
 395     } */
 396
 397     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 398               layer_id);
 399
 400     // set destination to the display rectangle
 401     s->set_destination_rectangle(x, y, w, h);
 402
 403     // update area information
 404     this->area_info[surface_id].x = x;
 405     this->area_info[surface_id].y = y;
 406     this->area_info[surface_id].w = w;
 407     this->area_info[surface_id].h = h;
 408
 409     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 410               surface_id, layer_id, x, y, w, h);
 411 }
 412
 413 void App::layout_commit()
 414 {
 415     this->controller->commit_changes();
 416     this->display->flush();
 417 }
 418
 419 void App::setTimer()
 420 {
 421     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 422     if (g_timer_ev_src == nullptr)
 423     {
 424         // firsttime set into sd_event
 425         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 426                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 427         if (ret < 0)
 428         {
 429             HMI_ERROR("wm", "Could't set timer");
 430         }
 431     }
 432     else
 433     {
 434         // update timer limitation after second time
 435         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 436         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 437     }
 438 }
 439
 440 void App::stopTimer()
 441 {
 442     unsigned req_num = g_app_list.currentRequestNumber();
 443     HMI_SEQ_DEBUG(req_num, "Timer stop");
 444     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 445     if (rc < 0)
 446     {
 447         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 448     }
 449 }
 450
 451 WMError App::lm_release(const struct WMAction &action)
 452 {
 453     //auto const &surface_id = this->lookup_id(drawing_name);
 454     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 455     unsigned req_num = g_app_list.currentRequestNumber();
 456     auto const &surface_id = this->lookup_id(action.role.c_str());
 457     if (!surface_id)
 458     {
 459         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 460         return ret;
 461     }
 462
 463     if (*surface_id == this->layers.main_surface)
 464     {
 465         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 466         return ret;
 467     }
 468
 469     auto o_state = *this->layers.get_layout_state(*surface_id);
 470
 471     if (o_state == nullptr)
 472     {
 473         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 474         return ret;
 475     }
 476
 477     struct LayoutState &state = *o_state;
 478
 479     if (state.main == -1)
 480     {
 481         HMI_SEQ_ERROR(req_num, "No surface active");
 482         return ret;
 483     }
 484
 485     // Check against main_surface, main_surface_name is the configuration item.
 486     if (*surface_id == this->layers.main_surface)
 487     {
 488         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 489         //reply(nullptr);
 490         return WMError::SUCCESS;
 491     }
 492     if ((state.main == *surface_id) && (state.sub == *surface_id))
 493     {
 494         HMI_SEQ_ERROR(req_num, "Surface is not active");
 495         return ret;
 496     }
 497
 498     if (state.main == *surface_id)
 499     {
 500         if (state.sub != -1)
 501         {
 502             this->try_layout(
 503                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 504                     std::string sub = std::move(*this->lookup_name(state.sub));
 505
 506                     this->deactivate(*surface_id);
 507                     this->surface_set_layout(state.sub);
 508                     state = nl;
 509
 510                     this->layout_commit();
 511                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 512                     compositor::rect area_rect = this->area_info[state.sub];
 513                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 514                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 515                     this->enqueue_flushdraw(state.sub);
 516                 });
 517         }
 518         else
 519         {
 520             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 521                 this->deactivate(*surface_id);
 522                 state = nl;
 523                 this->layout_commit();
 524             });
 525         }
 526     }
 527     else if (state.sub == *surface_id)
 528     {
 529         this->try_layout(
 530             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 531                 std::string main = std::move(*this->lookup_name(state.main));
 532
 533                 this->deactivate(*surface_id);
 534                 this->surface_set_layout(state.main);
 535                 state = nl;
 536
 537                 this->layout_commit();
 538                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 539                 compositor::rect area_rect = this->area_info[state.main];
 540                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 541                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 542                 this->enqueue_flushdraw(state.main);
 543             });
 544     }
 545     return WMError::SUCCESS;
 546 }
 547
 548 WMError App::lm_layout_change(const struct WMAction &action)
 549 {
 550     const char *msg = this->check_surface_exist(action.role.c_str());
 551
 552     if (msg)
 553     {
 554         HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), msg);
 555         return WMError::LAYOUT_CHANGE_FAIL;
 556     }
 557     this->lm_layout_change(action.role.c_str());
 558     return WMError::SUCCESS;
 559 }
 560
 561 WMError App::doTransition(unsigned req_num)
 562 {
 563     HMI_SEQ_DEBUG(req_num, "check policy");
 564     WMError ret = this->checkPolicy(req_num);
 565     if (ret != WMError::SUCCESS)
 566     {
 567         return ret;
 568     }
 569     HMI_SEQ_DEBUG(req_num, "Start transition.");
 570     ret = this->startTransition(req_num);
 571     return ret;
 572 }
 573
 574 WMError App::checkPolicy(unsigned req_num)
 575 {
 576     /*
 577     * Check Policy
 578     */
 579     // get current trigger
 580     bool found, split;
 581     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 582     auto trigger = g_app_list.getRequest(req_num, &found);
 583     if (!found)
 584     {
 585         ret = WMError::NO_ENTRY;
 586         return ret;
 587     }
 588     bool is_activate = (trigger.task == Task::TASK_ALLOCATE);
 589     std::string req_area = trigger.area;
 590
 591     // >>>> Compatible with current window manager until policy manager coming
 592     if (is_activate)
 593     {
 594         const char *msg = this->check_surface_exist(trigger.role.c_str());
 595
 596         if (msg)
 597         {
 598             HMI_SEQ_ERROR(g_app_list.currentRequestNumber(), msg);
 599             ret = WMError::LAYOUT_CHANGE_FAIL;
 600             return ret;
 601         }
 602
 603         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 604         auto o_state = *this->layers.get_layout_state(*surface_id);
 605         struct LayoutState &state = *o_state;
 606
 607         unsigned curernt_sid = state.main;
 608         bool split = this->can_split(state, *surface_id);
 609
 610         if (split)
 611         {
 612             // Get current visible role
 613             std::string add_role = this->lookup_name(state.main).value();
 614             // Set next area
 615             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 616             // Change request area
 617             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 618             // set another action
 619             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 620             if (!found)
 621             {
 622                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
 623                 ret = WMError::NOT_REGISTERED;
 624                 return ret;
 625             }
 626             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 627                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 628             // Set split action
 629             WMError ret = g_app_list.setAction(req_num, add_name, add_role, add_area);
 630             if (ret != WMError::SUCCESS)
 631             {
 632                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 633                 return ret;
 634             }
 635             g_app_list.reqDump();
 636         }
 637     }
 638
 639     // Set invisible task
 640     this->setInvisibleTask(trigger.role, split);
 641
 642     /*  get new status from Policy Manager */
 643     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 644
 645     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, is_activate);
 646     g_app_list.reqDump();
 647
 648     return ret;
 649 }
 650
 651 WMError App::startTransition(unsigned req_num)
 652 {
 653     bool sync_draw_happen = false;
 654     bool found = false;
 655     WMError ret = WMError::SUCCESS;
 656     auto actions = g_app_list.getActions(req_num, &found);
 657     if (!found)
 658     {
 659         ret = WMError::NO_ENTRY;
 660         HMI_SEQ_ERROR(req_num, "Window Manager bug :%s : Action is not set", errorDescription(ret));
 661         return ret;
 662     }
 663
 664     for (const auto &y : actions)
 665     {
 666         if (y.visible)
 667         {
 668             sync_draw_happen = true;
 669             this->emit_syncdraw(y.role, y.area);
 670             /* TODO: emit event for app not subscriber
 671             if(g_app_list.contains(y.appid))
 672                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 673         }
 674     }
 675
 676     if (sync_draw_happen)
 677     {
 678         this->setTimer();
 679     }
 680     else
 681     {
 682         // deactivate only, no syncDraw
 683         // Make it deactivate here
 684         for (const auto &z : actions)
 685         {
 686             if (g_app_list.contains(z.appid))
 687             {
 688                 auto client = g_app_list.lookUpClient(z.appid);
 689                 this->deactivate(client->surfaceID(z.role));
 690             }
 691         }
 692         ret = NO_LAYOUT_CHANGE;
 693     }
 694     return ret;
 695 }
 696
 697 void App::setInvisibleTask(const std::string &role, bool split)
 698 {
 699     ;
 700 }
 701
 702 void App::lm_layout_change(const char *drawing_name)
 703 {
 704     auto const &surface_id = this->lookup_id(drawing_name);
 705     auto layer_id = this->layers.get_layer_id(*surface_id);
 706     auto o_state = *this->layers.get_layout_state(*surface_id);
 707     struct LayoutState &state = *o_state;
 708
 709     // disable layers that are above our current layer
 710     for (auto const &l : this->layers.mapping)
 711     {
 712         if (l.second.layer_id <= *layer_id)
 713         {
 714             continue;
 715         }
 716
 717         bool flush = false;
 718         if (l.second.state.main != -1)
 719         {
 720             this->deactivate(l.second.state.main);
 721             l.second.state.main = -1;
 722             flush = true;
 723         }
 724
 725         if (l.second.state.sub != -1)
 726         {
 727             this->deactivate(l.second.state.sub);
 728             l.second.state.sub = -1;
 729             flush = true;
 730         }
 731
 732         if (flush)
 733         {
 734             this->layout_commit();
 735         }
 736     }
 737
 738     auto layer = this->layers.get_layer(*layer_id);
 739
 740     if (state.main == -1)
 741     {
 742         this->try_layout(
 743             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 744                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 745                 this->surface_set_layout(*surface_id);
 746                 state = nl;
 747
 748                 // Commit for configuraton
 749                 this->layout_commit();
 750
 751                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 752                 compositor::rect area_rect = this->area_info[*surface_id];
 753                 this->emit_syncdraw(drawing_name, str_area.c_str(),
 754                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 755                 this->enqueue_flushdraw(state.main);
 756             });
 757     }
 758     else
 759     {
 760         if (0 == strcmp(drawing_name, "HomeScreen"))
 761         {
 762             this->try_layout(
 763                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 764                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 765                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 766                     compositor::rect area_rect = this->area_info[*surface_id];
 767                     this->emit_syncdraw(drawing_name, str_area.c_str(),
 768                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 769                     this->enqueue_flushdraw(state.main);
 770                 });
 771         }
 772         else
 773         {
 774             bool can_split = this->can_split(state, *surface_id);
 775
 776             if (can_split)
 777             {
 778                 this->try_layout(
 779                     state,
 780                     LayoutState{state.main, *surface_id},
 781                     [&](LayoutState const &nl) {
 782                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
 783                         std::string main =
 784                             std::move(*this->lookup_name(state.main));
 785
 786                         this->surface_set_layout(state.main, surface_id);
 787                         if (state.sub != *surface_id)
 788                         {
 789                             if (state.sub != -1)
 790                             {
 791                                 this->deactivate(state.sub);
 792                             }
 793                         }
 794                         state = nl;
 795
 796                         // Commit for configuration and visibility(0)
 797                         this->layout_commit();
 798
 799                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 800                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 801                         compositor::rect area_rect_main = this->area_info[state.main];
 802                         compositor::rect area_rect_sub = this->area_info[*surface_id];
 803                         // >>> HACK
 804                         HMI_WARNING("wm", "HACK!!! mediaplayer and hvac is only supported for split");
 805                         std::string request_role = drawing_name;
 806                         //std::string request_app = transform(request_role.begin(), request_role.end(), request_role.begin(), tolower); //hvac or mediaplayer
 807                         std::string hack_appid = "navigation";
 808                         std::string hack_role = main;
 809                         std::string hack_area = str_area_main;
 810                         g_app_list.setAction(g_app_list.currentRequestNumber(), hack_appid, hack_role, hack_area, true);
 811                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), request_role, request_role);
 812                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), hack_appid, hack_role); // This process is illegal
 813                         // >>> HACK
 814                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
 815                                             area_rect_main.x, area_rect_main.y,
 816                                             area_rect_main.w, area_rect_main.h);
 817                         this->emit_syncdraw(request_role.c_str(), str_area_sub.c_str(),
 818                                             area_rect_sub.x, area_rect_sub.y,
 819                                             area_rect_sub.w, area_rect_sub.h);
 820                         this->enqueue_flushdraw(state.main);
 821                         this->enqueue_flushdraw(state.sub);
 822                     });
 823             }
 824             else
 825             {
 826                 this->try_layout(
 827                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 828                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 829
 830                         this->surface_set_layout(*surface_id);
 831                         if (state.main != *surface_id)
 832                         {
 833                             this->deactivate(state.main);
 834                         }
 835                         if (state.sub != -1)
 836                         {
 837                             if (state.sub != *surface_id)
 838                             {
 839                                 this->deactivate(state.sub);
 840                             }
 841                         }
 842                         state = nl;
 843
 844                         // Commit for configuraton and visibility(0)
 845                         this->layout_commit();
 846
 847                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 848                         compositor::rect area_rect = this->area_info[*surface_id];
 849                         this->emit_syncdraw(drawing_name, str_area.c_str(),
 850                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 851                         this->enqueue_flushdraw(state.main);
 852                     });
 853             }
 854         }
 855     }
 856 }
 857
 858 const char *App::check_surface_exist(const char *drawing_name)
 859 {
 860     auto const &surface_id = this->lookup_id(drawing_name);
 861     if (!surface_id)
 862     {
 863         //reply("Surface does not exist");
 864         return "Surface does not exist";
 865     }
 866
 867     if (!this->controller->surface_exists(*surface_id))
 868     {
 869         //reply("Surface does not exist in controller!");
 870         return "Surface does not exist in controller!";
 871     }
 872
 873     auto layer_id = this->layers.get_layer_id(*surface_id);
 874
 875     if (!layer_id)
 876     {
 877         //reply("Surface is not on any layer!");
 878         return "Surface is not on any layer!";
 879     }
 880
 881     auto o_state = *this->layers.get_layout_state(*surface_id);
 882
 883     if (o_state == nullptr)
 884     {
 885         //reply("Could not find layer for surface");
 886         return "Could not find layer for surface";
 887     }
 888
 889     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 890     return nullptr;
 891     //reply(nullptr);
 892 }
 893
 894 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 895                             Task task, unsigned* req_num)
 896 {
 897     if (!g_app_list.contains(appid))
 898     {
 899         return WMError::NOT_REGISTERED;
 900     }
 901
 902     auto client = g_app_list.lookUpClient(appid);
 903
 904     /*
 905    * Queueing Phase
 906    */
 907     unsigned current = g_app_list.currentRequestNumber();
 908     unsigned requested_num = g_app_list.getRequestNumber(appid);
 909     if (requested_num != 0)
 910     {
 911         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 912         return REQ_REJECTED;
 913     }
 914
 915     WMRequest req = WMRequest(appid, role, area, task);
 916     unsigned new_req = g_app_list.addAllocateRequest(req);
 917     *req_num = new_req;
 918     g_app_list.reqDump();
 919
 920     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 921
 922     return WMError::SUCCESS;
 923 }
 924
 925 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 926 {
 927     ST();
 928
 929     std::string id = appid;
 930     std::string role = drawing_name;
 931     std::string area = drawing_area;
 932     Task task = Task::TASK_ALLOCATE;
 933     unsigned req_num = 0;
 934     WMError ret = WMError::UNKNOWN;
 935
 936     ret = this->setRequest(id, role, area, task, &req_num);
 937
 938     if(ret != WMError::SUCCESS)
 939     {
 940         HMI_ERROR("wm", errorDescription(ret));
 941         reply("Failed to set request");
 942         return;
 943     }
 944
 945     reply(nullptr);
 946     if (req_num != g_app_list.currentRequestNumber())
 947     {
 948         // Add request, then invoked after the previous task is finished
 949         HMI_SEQ_DEBUG(req_num, "request is accepted");
 950         return;
 951     }
 952
 953     /*
 954     * Do allocate tasks
 955     */
 956     ret = this->doTransition(req_num);
 957
 958     if (ret != WMError::SUCCESS)
 959     {
 960         //this->emit_error()
 961         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 962         g_app_list.removeRequest(req_num);
 963         g_app_list.next();
 964         g_app_list.reqDump();
 965     }
 966 }
 967
 968 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 969 {
 970     ST();
 971
 972     /*
 973    * Check Phase
 974    */
 975     std::string id = appid;
 976     std::string role = drawing_name;
 977     std::string area = ""; //drawing_area;
 978
 979     if (!g_app_list.contains(id))
 980     {
 981         reply("app doesn't request 'requestSurface' yet");
 982         return;
 983     }
 984     auto client = g_app_list.lookUpClient(id);
 985
 986     /*
 987    * Queueing Phase
 988    */
 989     unsigned current = g_app_list.currentRequestNumber();
 990     unsigned requested_num = g_app_list.getRequestNumber(id);
 991     if (requested_num != 0)
 992     {
 993         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 994         reply("already requested");
 995         return;
 996     }
 997
 998     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 999     unsigned new_req = g_app_list.addAllocateRequest(req);
1000     g_app_list.reqDump();
1001
1002     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
1003
1004     reply(nullptr);
1005     if (new_req != current)
1006     {
1007         // Add request, then invoked after the previous task is finished
1008         HMI_SEQ_DEBUG(new_req, "request is accepted");
1009         return;
1010     }
1011
1012     /*
1013     * Do allocate tasks
1014     */
1015     WMError ret = this->doTransition(new_req);
1016
1017     if (ret != WMError::SUCCESS)
1018     {
1019         HMI_SEQ_ERROR(new_req, errorDescription(ret));
1020         g_app_list.removeRequest(new_req);
1021         g_app_list.next();
1022         //this->emit_error()
1023     }
1024 }
1025
1026 void App::enqueue_flushdraw(int surface_id)
1027 {
1028     this->check_flushdraw(surface_id);
1029     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
1030     this->pending_end_draw.push_back(surface_id);
1031 }
1032
1033 void App::check_flushdraw(int surface_id)
1034 {
1035     auto i = std::find(std::begin(this->pending_end_draw),
1036                        std::end(this->pending_end_draw), surface_id);
1037     if (i != std::end(this->pending_end_draw))
1038     {
1039         auto n = this->lookup_name(surface_id);
1040         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1041                   n ? n->c_str() : "unknown-name", surface_id);
1042         std::swap(this->pending_end_draw[std::distance(
1043                       std::begin(this->pending_end_draw), i)],
1044                   this->pending_end_draw.back());
1045         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1046     }
1047 }
1048
1049 void App::lm_enddraw(const char *drawing_name)
1050 {
1051     HMI_DEBUG("wm", "end draw %s", drawing_name);
1052     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
1053     {
1054         auto n = this->lookup_name(this->pending_end_draw[i]);
1055         if (n && *n == drawing_name)
1056         {
1057             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
1058             this->pending_end_draw.resize(iend - 1);
1059             this->activate(this->pending_end_draw[i]);
1060             this->emit_flushdraw(drawing_name);
1061         }
1062     }
1063 }
1064
1065 WMError App::doEndDraw(unsigned req_num)
1066 {
1067     // get actions
1068     bool found;
1069     auto actions = g_app_list.getActions(req_num, &found);
1070     WMError ret = WMError::SUCCESS;
1071     if (!found)
1072     {
1073         ret = WMError::NO_ENTRY;
1074         return ret;
1075     }
1076
1077     HMI_SEQ_INFO(req_num, "do endDraw");
1078     // layout change and make it visible
1079
1080     // Temporary action
1081     /* auto itr = actions.cend();
1082     this->currentAppInvisible(itr->role); */
1083
1084     for (const auto &act : actions)
1085     {
1086         // layout change
1087         if(!g_app_list.contains(act.appid)){
1088             ret = WMError::NOT_REGISTERED;
1089         }
1090         ret = this->layoutChange(act);
1091         if(ret != WMError::SUCCESS)
1092         {
1093             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1094             return ret;
1095         }
1096         ret = this->visibilityChange(act);
1097         if (ret != WMError::SUCCESS)
1098         {
1099             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1100             return ret;
1101         }
1102         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1103         //this->lm_enddraw(act.role.c_str());
1104     }
1105
1106     HMI_SEQ_INFO(req_num, "emit flushDraw");
1107
1108     for(const auto &act_flush : actions)
1109     {
1110         if(act_flush.visible)
1111         {
1112             this->emit_flushdraw(act_flush.role.c_str());
1113         }
1114     }
1115 }
1116
1117 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1118 {
1119     // Actually this function is under Layout Manager
1120     /* compositor::rect size = this->lm.getAreaSize(area); // compositor::rect size = this->lm_.getAreaSize(area);
1121
1122     if (!this->controller->surface_exists(surface))
1123     {
1124         // Block until all pending request are processed by wayland display server
1125         // because waiting for the surface of new app is created
1126         this->display->roundtrip();
1127     }
1128     auto &s = this->controller->surfaces[surface];
1129     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1130     this->layout_commit();
1131
1132     // Update area information
1133     this->area_info[surface].x = size.x;
1134     this->area_info[surface].y = size.y;
1135     this->area_info[surface].w = size.w;
1136     this->area_info[surface].h = size.h;
1137     HMI_DEBUG("wm", "Surface %d rect { %d, %d, %d, %d }",
1138               surface, size.x, size.y, size.w, size.h); */
1139     this->surface_set_layout(surface);
1140
1141     return WMError::SUCCESS;
1142 }
1143
1144 WMError App::layoutChange(const WMAction &action)
1145 {
1146     if (action.visible == false)
1147     {
1148         return WMError::SUCCESS;
1149     }
1150     auto client = g_app_list.lookUpClient(action.appid);
1151     unsigned surface = client->surfaceID(action.role);
1152     if (surface == 0)
1153     {
1154         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1155                       "client doesn't have surface with role(%s)", action.role.c_str());
1156         return WMError::NOT_REGISTERED;
1157     }
1158     // Layout Manager
1159     WMError ret = this->setSurfaceSize(surface, action.area);
1160     return ret;
1161 }
1162
1163 /* void App::currentAppInvisible(const std::string &role)
1164 {
1165     const char *drawing_name = role.c_str();
1166     auto const &surface_id = this->lookup_id(drawing_name);
1167     auto layer_id = this->layers.get_layer_id(*surface_id);
1168     auto o_state = *this->layers.get_layout_state(*surface_id);
1169     struct LayoutState &state = *o_state;
1170
1171     // disable layers that are above our current layer
1172     for (auto const &l : this->layers.mapping)
1173     {
1174         if (l.second.layer_id <= *layer_id)
1175         {
1176             continue;
1177         }
1178
1179         bool flush = false;
1180         if (l.second.state.main != -1)
1181         {
1182             this->deactivate(l.second.state.main);
1183             l.second.state.main = -1;
1184             flush = true;
1185         }
1186
1187         if (l.second.state.sub != -1)
1188         {
1189             this->deactivate(l.second.state.sub);
1190             l.second.state.sub = -1;
1191             flush = true;
1192         }
1193
1194         if (flush)
1195         {
1196             this->layout_commit();
1197         }
1198     }
1199 } */
1200
1201 WMError App::visibilityChange(const WMAction &action)
1202 {
1203     auto client = g_app_list.lookUpClient(action.appid);
1204     unsigned surface = client->surfaceID(action.role);
1205     if(surface == 0)
1206     {
1207         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1208                       "client doesn't have surface with role(%s)", action.role.c_str());
1209         return WMError::NOT_REGISTERED;
1210     }
1211
1212     if (action.visible)
1213     {
1214         this->activate(surface); // Layout Manager task
1215     }
1216     else
1217     {
1218         this->deactivate(surface); // Layout Manager task
1219     }
1220     return WMError::SUCCESS;
1221 }
1222
1223 void App::api_enddraw(char const *appid, char const *drawing_name)
1224 {
1225     std::string id = appid;
1226     std::string role = drawing_name;
1227     unsigned current_req = g_app_list.currentRequestNumber();
1228     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1229
1230     if (!result)
1231     {
1232         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1233         return;
1234     }
1235
1236     if (g_app_list.endDrawFullfilled(current_req))
1237     {
1238         // do task for endDraw
1239         this->stopTimer();
1240         WMError ret = this->doEndDraw(current_req);
1241
1242         if(ret != WMError::SUCCESS)
1243         {
1244             //this->emit_error();
1245         }
1246         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1247
1248         g_app_list.removeRequest(current_req);
1249
1250         this->processNextRequest();
1251     }
1252     else
1253     {
1254         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1255         return;
1256     }
1257 }
1258
1259 void App::processNextRequest()
1260 {
1261     g_app_list.next();
1262     g_app_list.reqDump();
1263     unsigned req_num = g_app_list.currentRequestNumber();
1264     if (g_app_list.haveRequest())
1265     {
1266         HMI_SEQ_DEBUG(req_num, "Process next request");
1267         WMError rc = doTransition(req_num);
1268         if (rc != WMError::SUCCESS)
1269         {
1270             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1271         }
1272     }
1273     else
1274     {
1275         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1276     }
1277 }
1278
1279 void App::api_ping() { this->dispatch_pending_events(); }
1280
1281 void App::send_event(char const *evname, char const *label)
1282 {
1283     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1284
1285     json_object *j = json_object_new_object();
1286     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1287
1288     int ret = afb_event_push(this->map_afb_event[evname], j);
1289     if (ret != 0)
1290     {
1291         HMI_DEBUG("wm", "afb_event_push failed: %m");
1292     }
1293 }
1294
1295 void App::send_event(char const *evname, char const *label, char const *area,
1296                      int x, int y, int w, int h)
1297 {
1298     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1299               __func__, evname, label, area, x, y, w, h);
1300
1301     json_object *j_rect = json_object_new_object();
1302     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1303     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1304     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1305     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1306
1307     json_object *j = json_object_new_object();
1308     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1309     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1310     json_object_object_add(j, kKeyDrawingRect, j_rect);
1311
1312     int ret = afb_event_push(this->map_afb_event[evname], j);
1313     if (ret != 0)
1314     {
1315         HMI_DEBUG("wm", "afb_event_push failed: %m");
1316     }
1317 }
1318
1319 /**
1320  * proxied events
1321  */
1322 void App::surface_created(uint32_t surface_id)
1323 {
1324     auto layer_id = this->layers.get_layer_id(surface_id);
1325     if (!layer_id)
1326     {
1327         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1328                   surface_id);
1329         return;
1330     }
1331
1332     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1333
1334     this->controller->layers[*layer_id]->add_surface(surface_id);
1335     this->layout_commit();
1336     // activate the main_surface right away
1337     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1338       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1339
1340       this->api_activate_surface(
1341          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1342    }*/
1343
1344     // search pid from surfaceID
1345
1346     // pick up appid from pid from application manager
1347
1348     // check appid then add it to the client
1349 }
1350
1351 void App::surface_removed(uint32_t surface_id)
1352 {
1353     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1354
1355     g_app_list.removeSurface(surface_id);
1356 }
1357
1358 void App::emit_activated(char const *label)
1359 {
1360     this->send_event(kListEventName[Event_Active], label);
1361 }
1362
1363 void App::emit_deactivated(char const *label)
1364 {
1365     this->send_event(kListEventName[Event_Inactive], label);
1366 }
1367
1368 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1369 {
1370     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1371 }
1372
1373 void App::emit_syncdraw(const std::string &role, const std::string &area)
1374 {
1375     int x = 0, y = 0, w = 0, h = 0;
1376     //this->lm_get_area_info(area, &x, &y, &w, &h);
1377     this->send_event(kListEventName[Event_SyncDraw],
1378         role.c_str(), area.c_str(), x, y, w, h);
1379 }
1380
1381 void App::emit_flushdraw(char const *label)
1382 {
1383     this->send_event(kListEventName[Event_FlushDraw], label);
1384 }
1385
1386 void App::emit_visible(char const *label, bool is_visible)
1387 {
1388     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1389 }
1390
1391 void App::emit_invisible(char const *label)
1392 {
1393     return emit_visible(label, false);
1394 }
1395
1396 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1397
1398 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1399 {
1400     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1401     if (!lid)
1402     {
1403         /**
1404        * register drawing_name as fallback and make it displayed.
1405        */
1406         lid = this->layers.get_layer_id(std::string("Fallback"));
1407         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1408         if (!lid)
1409         {
1410             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1411         }
1412     }
1413
1414     auto rname = this->lookup_id(drawing_name);
1415     if (!rname)
1416     {
1417         // name does not exist yet, allocate surface id...
1418         auto id = int(this->id_alloc.generate_id(drawing_name));
1419         this->layers.add_surface(id, *lid);
1420
1421         // set the main_surface[_name] here and now
1422         if (!this->layers.main_surface_name.empty() &&
1423             this->layers.main_surface_name == drawing_name)
1424         {
1425             this->layers.main_surface = id;
1426             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1427         }
1428
1429         // add client into the db
1430         std::string appid_str(appid);
1431         std::string role(drawing_name);
1432         //g_app_list.addClient(appid_str, role);
1433         g_app_list.addClient(appid_str, *lid, id, role);
1434
1435         return Ok<int>(id);
1436     }
1437
1438     // Check currently registered drawing names if it is already there.
1439     return Err<int>("Surface already present");
1440 }
1441
1442 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1443                                      char const *ivi_id)
1444 {
1445     ST();
1446
1447     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1448     unsigned sid = std::stol(ivi_id);
1449
1450     if (!lid)
1451     {
1452         /**
1453        * register drawing_name as fallback and make it displayed.
1454        */
1455         lid = this->layers.get_layer_id(std::string("Fallback"));
1456         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1457         if (!lid)
1458         {
1459             return "Drawing name does not match any role, Fallback is disabled";
1460         }
1461     }
1462
1463     auto rname = this->lookup_id(drawing_name);
1464
1465     if (rname)
1466     {
1467         return "Surface already present";
1468     }
1469
1470     // register pair drawing_name and ivi_id
1471     this->id_alloc.register_name_id(drawing_name, sid);
1472     this->layers.add_surface(sid, *lid);
1473
1474     // this surface is already created
1475     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1476
1477     this->controller->layers[*lid]->add_surface(sid);
1478     this->layout_commit();
1479
1480     return nullptr;
1481 }
1482
1483 result<json_object *> App::api_get_display_info()
1484 {
1485     // Check controller
1486     if (!this->controller)
1487     {
1488         return Err<json_object *>("ivi_controller global not available");
1489     }
1490
1491     // Set display info
1492     compositor::size o_size = this->controller->output_size;
1493     compositor::size p_size = this->controller->physical_size;
1494
1495     json_object *object = json_object_new_object();
1496     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1497     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1498     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1499     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1500
1501     return Ok<json_object *>(object);
1502 }
1503
1504 result<json_object *> App::api_get_area_info(char const *drawing_name)
1505 {
1506     HMI_DEBUG("wm", "called");
1507
1508     // Check drawing name, surface/layer id
1509     auto const &surface_id = this->lookup_id(drawing_name);
1510     if (!surface_id)
1511     {
1512         return Err<json_object *>("Surface does not exist");
1513     }
1514
1515     if (!this->controller->surface_exists(*surface_id))
1516     {
1517         return Err<json_object *>("Surface does not exist in controller!");
1518     }
1519
1520     auto layer_id = this->layers.get_layer_id(*surface_id);
1521     if (!layer_id)
1522     {
1523         return Err<json_object *>("Surface is not on any layer!");
1524     }
1525
1526     auto o_state = *this->layers.get_layout_state(*surface_id);
1527     if (o_state == nullptr)
1528     {
1529         return Err<json_object *>("Could not find layer for surface");
1530     }
1531
1532     struct LayoutState &state = *o_state;
1533     if ((state.main != *surface_id) && (state.sub != *surface_id))
1534     {
1535         return Err<json_object *>("Surface is inactive");
1536     }
1537
1538     // Set area rectangle
1539     compositor::rect area_info = this->area_info[*surface_id];
1540     json_object *object = json_object_new_object();
1541     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1542     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1543     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1544     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1545
1546     return Ok<json_object *>(object);
1547 }
1548
1549 void App::activate(int id)
1550 {
1551     auto ip = this->controller->sprops.find(id);
1552     if (ip != this->controller->sprops.end())
1553     {
1554         this->controller->surfaces[id]->set_visibility(1);
1555         char const *label =
1556             this->lookup_name(id).value_or("unknown-name").c_str();
1557
1558         // FOR CES DEMO >>>
1559         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1560         {
1561             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1562             {
1563                 if (id == *i)
1564                 {
1565                     // Remove id
1566                     this->surface_bg.erase(i);
1567
1568                     // Remove from BG layer (999)
1569                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1570                     this->controller->layers[999]->remove_surface(id);
1571
1572                     // Add to FG layer (1001)
1573                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1574                     this->controller->layers[1001]->add_surface(id);
1575
1576                     for (int j : this->surface_bg)
1577                     {
1578                         HMI_DEBUG("wm", "Stored id:%d", j);
1579                     }
1580                     break;
1581                 }
1582             }
1583         }
1584         // <<< FOR CES DEMO
1585         this->layout_commit();
1586
1587         this->emit_visible(label);
1588         this->emit_activated(label);
1589     }
1590 }
1591
1592 void App::deactivate(int id)
1593 {
1594     auto ip = this->controller->sprops.find(id);
1595     if (ip != this->controller->sprops.end())
1596     {
1597         char const *label =
1598             this->lookup_name(id).value_or("unknown-name").c_str();
1599
1600         // FOR CES DEMO >>>
1601         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1602         {
1603
1604             // Store id
1605             this->surface_bg.push_back(id);
1606
1607             // Remove from FG layer (1001)
1608             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1609             this->controller->layers[1001]->remove_surface(id);
1610
1611             // Add to BG layer (999)
1612             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1613             this->controller->layers[999]->add_surface(id);
1614
1615             for (int j : surface_bg)
1616             {
1617                 HMI_DEBUG("wm", "Stored id:%d", j);
1618             }
1619         }
1620         else
1621         {
1622             this->controller->surfaces[id]->set_visibility(0);
1623         }
1624         // <<< FOR CES DEMO
1625
1626         this->emit_deactivated(label);
1627         this->emit_invisible(label);
1628     }
1629 }
1630
1631 void App::deactivate_main_surface()
1632 {
1633     this->layers.main_surface = -1;
1634     std::string appid = "HomeScreen";
1635     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1636 }
1637
1638 bool App::can_split(struct LayoutState const &state, int new_id)
1639 {
1640     if (state.main != -1 && state.main != new_id)
1641     {
1642         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1643         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1644
1645         // surfaces are on separate layers, don't bother.
1646         if (new_id_layer != current_id_layer)
1647         {
1648             return false;
1649         }
1650
1651         std::string const &new_id_str = this->lookup_name(new_id).value();
1652         std::string const &cur_id_str = this->lookup_name(state.main).value();
1653
1654         auto const &layer = this->layers.get_layer(new_id_layer);
1655
1656         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1657
1658         if (layer->layouts.empty())
1659         {
1660             return false;
1661         }
1662
1663         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1664         {
1665             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1666             auto rem = std::regex(i->main_match);
1667             if (std::regex_match(cur_id_str, rem))
1668             {
1669                 // build the second one only if the first already matched
1670                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1671                 auto res = std::regex(i->sub_match);
1672                 if (std::regex_match(new_id_str, res))
1673                 {
1674                     HMI_DEBUG("wm", "layout matched!");
1675                     return true;
1676                 }
1677             }
1678         }
1679     }
1680
1681     return false;
1682 }
1683
1684 void App::try_layout(struct LayoutState & /*state*/,
1685                      struct LayoutState const &new_layout,
1686                      std::function<void(LayoutState const &nl)> apply)
1687 {
1688     if (this->policy.layout_is_valid(new_layout))
1689     {
1690         apply(new_layout);
1691     }
1692 }
1693
1694 /**
1695  * controller_hooks
1696  */
1697 void controller_hooks::surface_created(uint32_t surface_id)
1698 {
1699     this->app->surface_created(surface_id);
1700 }
1701
1702 void controller_hooks::surface_removed(uint32_t surface_id)
1703 {
1704     this->app->surface_removed(surface_id);
1705 }
1706
1707 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1708                                           uint32_t /*v*/) {}
1709
1710 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1711                                                      uint32_t /*x*/,
1712                                                      uint32_t /*y*/,
1713                                                      uint32_t /*w*/,
1714                                                      uint32_t /*h*/) {}
1715
1716 } // namespace wm