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 static const unsigned kTimeOut = 3000000UL; /* 3s */
  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 void App::exeptionProcessForTransition()
 137 {
 138     unsigned req_num = g_app_list.currentRequestNumber();
 139     HMI_SEQ_NOTICE(req_num, "Process exeption handling for request. Remove current request %d", req_num);
 140     g_app_list.removeRequest(req_num);
 141     HMI_SEQ_NOTICE(g_app_list.currentRequestNumber(), "Process next request if exists");
 142     this->processNextRequest();
 143 }
 144
 145 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 146 {
 147     if(!g_app_list.contains(appid)){
 148         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 149         return false;
 150     }
 151     auto client = g_app_list.lookUpClient(appid);
 152     return client->subscribe(req, evname);
 153 }
 154
 155 /**
 156  * App Impl
 157  */
 158 App::App(wl::display *d)
 159     : chooks{this},
 160       display{d},
 161       controller{},
 162       outputs(),
 163       config(),
 164       layers(),
 165       id_alloc{},
 166       pending_events(false),
 167       policy{}
 168 {
 169     try
 170     {
 171         {
 172             auto l = load_layer_map(
 173                 this->config.get_string("layers.json").value().c_str());
 174             if (l.is_ok())
 175             {
 176                 this->layers = l.unwrap();
 177             }
 178             else
 179             {
 180                 HMI_ERROR("wm", "%s", l.err().value());
 181             }
 182         }
 183     }
 184     catch (std::exception &e)
 185     {
 186         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 187     }
 188 }
 189
 190 int App::init()
 191 {
 192     if (!this->display->ok())
 193     {
 194         return -1;
 195     }
 196
 197     if (this->layers.mapping.empty())
 198     {
 199         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 200         return -1;
 201     }
 202
 203     // Make afb event
 204     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 205     {
 206         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 207     }
 208
 209     this->display->add_global_handler(
 210         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 211             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 212         });
 213
 214     this->display->add_global_handler(
 215         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 216             this->controller =
 217                 std::make_unique<struct compositor::controller>(r, name, v);
 218
 219             // Init controller hooks
 220             this->controller->chooks = &this->chooks;
 221
 222             // This protocol needs the output, so lets just add our mapping here...
 223             this->controller->add_proxy_to_id_mapping(
 224                 this->outputs.back()->proxy.get(),
 225                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 226                     this->outputs.back()->proxy.get())));
 227
 228             // Create screen
 229             this->controller->create_screen(this->outputs.back()->proxy.get());
 230
 231             // Set display to controller
 232             this->controller->display = this->display;
 233         });
 234
 235     // First level objects
 236     this->display->roundtrip();
 237     // Second level objects
 238     this->display->roundtrip();
 239     // Third level objects
 240     this->display->roundtrip();
 241
 242     return init_layers();
 243 }
 244
 245 int App::dispatch_pending_events()
 246 {
 247     if (this->pop_pending_events())
 248     {
 249         this->display->dispatch_pending();
 250         return 0;
 251     }
 252     return -1;
 253 }
 254
 255 bool App::pop_pending_events()
 256 {
 257     bool x{true};
 258     return this->pending_events.compare_exchange_strong(
 259         x, false, std::memory_order_consume);
 260 }
 261
 262 void App::set_pending_events()
 263 {
 264     this->pending_events.store(true, std::memory_order_release);
 265 }
 266
 267 optional<int> App::lookup_id(char const *name)
 268 {
 269     return this->id_alloc.lookup(std::string(name));
 270 }
 271 optional<std::string> App::lookup_name(int id)
 272 {
 273     return this->id_alloc.lookup(id);
 274 }
 275
 276 /**
 277  * init_layers()
 278  */
 279 int App::init_layers()
 280 {
 281     if (!this->controller)
 282     {
 283         HMI_ERROR("wm", "ivi_controller global not available");
 284         return -1;
 285     }
 286
 287     if (this->outputs.empty())
 288     {
 289         HMI_ERROR("wm", "no output was set up!");
 290         return -1;
 291     }
 292
 293     auto &c = this->controller;
 294
 295     auto &o = this->outputs.front();
 296     auto &s = c->screens.begin()->second;
 297     auto &layers = c->layers;
 298
 299     // Write output dimensions to ivi controller...
 300     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 301     c->physical_size = compositor::size{uint32_t(o->physical_width),
 302                                         uint32_t(o->physical_height)};
 303
 304     // Clear scene
 305     layers.clear();
 306
 307     // Clear screen
 308     s->clear();
 309
 310     // Quick and dirty setup of layers
 311     for (auto const &i : this->layers.mapping)
 312     {
 313         c->layer_create(i.second.layer_id, o->width, o->height);
 314         auto &l = layers[i.second.layer_id];
 315         l->set_destination_rectangle(0, 0, o->width, o->height);
 316         l->set_visibility(1);
 317         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 318                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 319     }
 320
 321     // Add layers to screen
 322     s->set_render_order(this->layers.layers);
 323
 324     this->layout_commit();
 325
 326     this->layers.setupArea(o->width, o->height);
 327
 328     return 0;
 329 }
 330
 331 void App::surface_set_layout(int surface_id, const std::string& area)
 332 {
 333     if (!this->controller->surface_exists(surface_id))
 334     {
 335         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 336         return;
 337     }
 338
 339     auto o_layer_id = this->layers.get_layer_id(surface_id);
 340
 341     if (!o_layer_id)
 342     {
 343         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 344         return;
 345     }
 346
 347     uint32_t layer_id = *o_layer_id;
 348
 349     auto const &layer = this->layers.get_layer(layer_id);
 350     auto rect = this->layers.getAreaSize(area);
 351     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "%s : x:%d y:%d w:%d h:%d", area.c_str(),
 352                     rect.x, rect.y, rect.w, rect.h);
 353     auto &s = this->controller->surfaces[surface_id];
 354
 355     int x = rect.x;
 356     int y = rect.y;
 357     int w = rect.w;
 358     int h = rect.h;
 359
 360     // less-than-0 values refer to MAX + 1 - $VALUE
 361     // e.g. MAX is either screen width or height
 362     if (w < 0)
 363     {
 364         w = this->controller->output_size.w + 1 + w;
 365     }
 366     if (h < 0)
 367     {
 368         h = this->controller->output_size.h + 1 + h;
 369     }
 370
 371     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 372               layer_id);
 373
 374     // set destination to the display rectangle
 375     s->set_destination_rectangle(x, y, w, h);
 376
 377     // update area information
 378     this->area_info[surface_id].x = x;
 379     this->area_info[surface_id].y = y;
 380     this->area_info[surface_id].w = w;
 381     this->area_info[surface_id].h = h;
 382
 383     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 384               surface_id, layer_id, x, y, w, h);
 385 }
 386
 387 void App::layout_commit()
 388 {
 389     this->controller->commit_changes();
 390     this->display->flush();
 391 }
 392
 393 void App::setTimer()
 394 {
 395     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 396     if (g_timer_ev_src == nullptr)
 397     {
 398         // firsttime set into sd_event
 399         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 400             CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 401         if (ret < 0)
 402         {
 403             HMI_ERROR("wm", "Could't set timer");
 404         }
 405     }
 406     else
 407     {
 408         // update timer limitation after second time
 409         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 410         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 411     }
 412 }
 413
 414 void App::stopTimer()
 415 {
 416     unsigned req_num = g_app_list.currentRequestNumber();
 417     HMI_SEQ_DEBUG(req_num, "Timer stop");
 418     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 419     if (rc < 0)
 420     {
 421         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 422     }
 423 }
 424
 425 WMError App::lm_release(const struct WMAction &action)
 426 {
 427     //auto const &surface_id = this->lookup_id(drawing_name);
 428     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 429     unsigned req_num = g_app_list.currentRequestNumber();
 430     auto const &surface_id = this->lookup_id(action.role.c_str());
 431     if (!surface_id)
 432     {
 433         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 434         return ret;
 435     }
 436
 437     if (*surface_id == this->layers.main_surface)
 438     {
 439         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 440         return ret;
 441     }
 442
 443     auto o_state = *this->layers.get_layout_state(*surface_id);
 444
 445     if (o_state == nullptr)
 446     {
 447         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 448         return ret;
 449     }
 450
 451     struct LayoutState &state = *o_state;
 452
 453     if (state.main == -1)
 454     {
 455         HMI_SEQ_ERROR(req_num, "No surface active");
 456         return ret;
 457     }
 458
 459     // Check against main_surface, main_surface_name is the configuration item.
 460     if (*surface_id == this->layers.main_surface)
 461     {
 462         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 463         //reply(nullptr);
 464         return WMError::SUCCESS;
 465     }
 466     if ((state.main == *surface_id) && (state.sub == *surface_id))
 467     {
 468         HMI_SEQ_ERROR(req_num, "Surface is not active");
 469         return ret;
 470     }
 471
 472     if (state.main == *surface_id)
 473     {
 474         if (state.sub != -1)
 475         {
 476             this->try_layout(
 477                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 478                     std::string sub = std::move(*this->lookup_name(state.sub));
 479
 480                     this->deactivate(*surface_id);
 481                     this->surface_set_layout(state.sub);
 482                     state = nl;
 483
 484                     this->layout_commit();
 485                     std::string str_area =
 486                         std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 487                     compositor::rect area_rect = this->area_info[state.sub];
 488                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 489                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 490                     this->enqueue_flushdraw(state.sub);
 491                 });
 492         }
 493         else
 494         {
 495             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 496                 this->deactivate(*surface_id);
 497                 state = nl;
 498                 this->layout_commit();
 499             });
 500         }
 501     }
 502     else if (state.sub == *surface_id)
 503     {
 504         this->try_layout(
 505             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 506                 std::string main = std::move(*this->lookup_name(state.main));
 507
 508                 this->deactivate(*surface_id);
 509                 this->surface_set_layout(state.main);
 510                 state = nl;
 511
 512                 this->layout_commit();
 513                 std::string str_area =
 514                     std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 515                 compositor::rect area_rect = this->area_info[state.main];
 516                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 517                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 518                 this->enqueue_flushdraw(state.main);
 519             });
 520     }
 521     return WMError::SUCCESS;
 522 }
 523
 524 WMError App::doTransition(unsigned req_num)
 525 {
 526     HMI_SEQ_DEBUG(req_num, "check policy");
 527     WMError ret = this->checkPolicy(req_num);
 528     if (ret != WMError::SUCCESS)
 529     {
 530         return ret;
 531     }
 532     HMI_SEQ_DEBUG(req_num, "Start transition.");
 533     ret = this->startTransition(req_num);
 534     return ret;
 535 }
 536
 537 WMError App::checkPolicy(unsigned req_num)
 538 {
 539     /*
 540     * Check Policy
 541     */
 542     // get current trigger
 543     bool found = false;
 544     bool split = false;
 545     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 546     auto trigger = g_app_list.getRequest(req_num, &found);
 547     if (!found)
 548     {
 549         ret = WMError::NO_ENTRY;
 550         return ret;
 551     }
 552     std::string req_area = trigger.area;
 553
 554     // >>>> Compatible with current window manager until policy manager coming
 555     if (trigger.task == Task::TASK_ALLOCATE)
 556     {
 557         HMI_SEQ_DEBUG(req_num, "Check split or not");
 558         const char *msg = this->check_surface_exist(trigger.role.c_str());
 559
 560         if (msg)
 561         {
 562             HMI_SEQ_ERROR(req_num, msg);
 563             ret = WMError::LAYOUT_CHANGE_FAIL;
 564             return ret;
 565         }
 566
 567         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 568         auto o_state = *this->layers.get_layout_state(*surface_id);
 569         struct LayoutState &state = *o_state;
 570
 571         unsigned curernt_sid = state.main;
 572         split = this->can_split(state, *surface_id);
 573
 574         if (split)
 575         {
 576             HMI_SEQ_DEBUG(req_num, "Split happens");
 577             // Get current visible role
 578             std::string add_role = this->lookup_name(state.main).value();
 579             // Set next area
 580             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 581             // Change request area
 582             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 583             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen",
 584                                 trigger.area, req_area);
 585             // set another action
 586             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 587             if (!found)
 588             {
 589                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
 590                 ret = WMError::NOT_REGISTERED;
 591                 return ret;
 592             }
 593             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 594                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 595             // Set split action
 596             bool end_draw_finished = false;
 597             WMAction split_action{
 598                 add_name,
 599                 add_role,
 600                 add_area,
 601                 TaskVisible::VISIBLE,
 602                 end_draw_finished};
 603             WMError ret = g_app_list.setAction(req_num, split_action);
 604             if (ret != WMError::SUCCESS)
 605             {
 606                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 607                 return ret;
 608             }
 609             g_app_list.reqDump();
 610         }
 611     }
 612     else
 613     {
 614         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
 615     }
 616
 617     // Set invisible task(Remove if policy manager finish)
 618     ret = this->setInvisibleTask(trigger.role, split);
 619     if(ret != WMError::SUCCESS)
 620     {
 621         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
 622         return ret;
 623     }
 624
 625     /*  get new status from Policy Manager */
 626     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 627     if(trigger.role == "HomeScreen")
 628     {
 629         // TODO : Remove when Policy Manager completed
 630         HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
 631         req_area = "fullscreen";
 632     }
 633     TaskVisible task_visible =
 634         (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 635
 636     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
 637     g_app_list.reqDump();
 638
 639     return ret;
 640 }
 641
 642 WMError App::startTransition(unsigned req_num)
 643 {
 644     bool sync_draw_happen = false;
 645     bool found = false;
 646     WMError ret = WMError::SUCCESS;
 647     auto actions = g_app_list.getActions(req_num, &found);
 648     if (!found)
 649     {
 650         ret = WMError::NO_ENTRY;
 651         HMI_SEQ_ERROR(req_num,
 652             "Window Manager bug :%s : Action is not set", errorDescription(ret));
 653         return ret;
 654     }
 655
 656     for (const auto &action : actions)
 657     {
 658         if (action.visible != TaskVisible::INVISIBLE)
 659         {
 660             sync_draw_happen = true;
 661             this->emit_syncdraw(action.role, action.area);
 662             /* TODO: emit event for app not subscriber
 663             if(g_app_list.contains(y.appid))
 664                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 665         }
 666     }
 667
 668     if (sync_draw_happen)
 669     {
 670         this->setTimer();
 671     }
 672     else
 673     {
 674         // deactivate only, no syncDraw
 675         // Make it deactivate here
 676         for (const auto &x : actions)
 677         {
 678             if (g_app_list.contains(x.appid))
 679             {
 680                 auto client = g_app_list.lookUpClient(x.appid);
 681                 this->deactivate(client->surfaceID(x.role));
 682             }
 683         }
 684         ret = NO_LAYOUT_CHANGE;
 685     }
 686     return ret;
 687 }
 688
 689 WMError App::setInvisibleTask(const std::string &role, bool split)
 690 {
 691     unsigned req_num = g_app_list.currentRequestNumber();
 692     HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
 693     // This task is copied from original actiavete surface
 694     const char *drawing_name = role.c_str();
 695     auto const &surface_id = this->lookup_id(drawing_name);
 696     auto layer_id = this->layers.get_layer_id(*surface_id);
 697     auto o_state = *this->layers.get_layout_state(*surface_id);
 698     struct LayoutState &state = *o_state;
 699     std::string add_name, add_role;
 700     std::string add_area = "";
 701     int surface;
 702     TaskVisible task_visible = TaskVisible::INVISIBLE;
 703     bool end_draw_finished = true;
 704     bool found = false;
 705
 706     for (auto const &l : this->layers.mapping)
 707     {
 708         if (l.second.layer_id <= *layer_id)
 709         {
 710             continue;
 711         }
 712         HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
 713         if (l.second.state.main != -1)
 714         {
 715             //this->deactivate(l.second.state.main);
 716             surface = l.second.state.main;
 717             add_role = *this->id_alloc.lookup(surface);
 718             add_name = g_app_list.getAppID(surface, add_role, &found);
 719             if(!found){
 720                 return WMError::NOT_REGISTERED;
 721             }
 722             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
 723             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 724             g_app_list.setAction(req_num, act);
 725             l.second.state.main = -1;
 726         }
 727
 728         if (l.second.state.sub != -1)
 729         {
 730             //this->deactivate(l.second.state.sub);
 731             surface = l.second.state.sub;
 732             add_role = *this->id_alloc.lookup(surface);
 733             add_name = g_app_list.getAppID(surface, add_role, &found);
 734             if (!found)
 735             {
 736                 return WMError::NOT_REGISTERED;
 737             }
 738             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
 739             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 740             g_app_list.setAction(req_num, act);
 741             l.second.state.sub = -1;
 742         }
 743     }
 744
 745     // change current state here, but this is hack
 746     auto layer = this->layers.get_layer(*layer_id);
 747
 748     if (state.main == -1)
 749     {
 750         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 751         //state = LayoutState{*surface_id};
 752         /* this->try_layout(
 753             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 754                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 755                 //this->surface_set_layout(*surface_id);
 756                 state = nl;
 757
 758                 //compositor::rect area_rect = this->area_info[*surface_id];
 759             }); */
 760     }
 761     else
 762     {
 763         if (0 != strcmp(drawing_name, "HomeScreen"))
 764         {
 765             if (split)
 766             {
 767                 std::string main =
 768                     std::move(*this->id_alloc.lookup(state.main));
 769                 if (state.sub != *surface_id)
 770                 {
 771                     if (state.sub != -1)
 772                     {
 773                         //this->deactivate(state.sub);
 774                         WMAction deact_sub;
 775                         deact_sub.role = main;
 776                         deact_sub.area = add_area;
 777                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
 778                         if (!found)
 779                         {
 780                             HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 781                             return WMError::NOT_REGISTERED;
 782                         }
 783                         deact_sub.visible = task_visible;
 784                         deact_sub.end_draw_finished = end_draw_finished;
 785                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 786                         g_app_list.setAction(req_num, deact_sub);
 787                     }
 788                 }
 789                 //state = LayoutState{state.main, *surface_id};
 790             }
 791             else
 792             {
 793                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 794
 795                 //this->surface_set_layout(*surface_id);
 796                 if (state.main != *surface_id)
 797                 {
 798                     // this->deactivate(state.main);
 799                     WMAction deact_main;
 800                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
 801                     ;
 802                     deact_main.area = add_area;
 803                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
 804                     if (!found)
 805                     {
 806                         HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
 807                         return WMError::NOT_REGISTERED;
 808                     }
 809                     deact_main.visible = task_visible;
 810                     deact_main.end_draw_finished = end_draw_finished;
 811                     HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 812                     g_app_list.setAction(req_num, deact_main);
 813                 }
 814                 if (state.sub != -1)
 815                 {
 816                     if (state.sub != *surface_id)
 817                     {
 818                         //this->deactivate(state.sub);
 819                         WMAction deact_sub;
 820                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
 821                         ;
 822                         deact_sub.area = add_area;
 823                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
 824                         if (!found)
 825                         {
 826                             HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
 827                             return WMError::NOT_REGISTERED;
 828                         }
 829                         deact_sub.visible = task_visible;
 830                         deact_sub.end_draw_finished = end_draw_finished;
 831                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
 832                         g_app_list.setAction(req_num, deact_sub);
 833                     }
 834                 }
 835                 //state = LayoutState{*surface_id};
 836             }
 837         }
 838     }
 839     return WMError::SUCCESS;
 840 }
 841
 842 const char *App::check_surface_exist(const char *drawing_name)
 843 {
 844     auto const &surface_id = this->lookup_id(drawing_name);
 845     if (!surface_id)
 846     {
 847         //reply("Surface does not exist");
 848         return "Surface does not exist";
 849     }
 850
 851     if (!this->controller->surface_exists(*surface_id))
 852     {
 853         //reply("Surface does not exist in controller!");
 854         return "Surface does not exist in controller!";
 855     }
 856
 857     auto layer_id = this->layers.get_layer_id(*surface_id);
 858
 859     if (!layer_id)
 860     {
 861         //reply("Surface is not on any layer!");
 862         return "Surface is not on any layer!";
 863     }
 864
 865     auto o_state = *this->layers.get_layout_state(*surface_id);
 866
 867     if (o_state == nullptr)
 868     {
 869         //reply("Could not find layer for surface");
 870         return "Could not find layer for surface";
 871     }
 872
 873     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 874     return nullptr;
 875     //reply(nullptr);
 876 }
 877
 878 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 879                             Task task, unsigned* req_num)
 880 {
 881     if (!g_app_list.contains(appid))
 882     {
 883         return WMError::NOT_REGISTERED;
 884     }
 885
 886     auto client = g_app_list.lookUpClient(appid);
 887
 888     /*
 889    * Queueing Phase
 890    */
 891     unsigned current = g_app_list.currentRequestNumber();
 892     unsigned requested_num = g_app_list.getRequestNumber(appid);
 893     if (requested_num != 0)
 894     {
 895         HMI_SEQ_INFO(requested_num,
 896             "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 897         return REQ_REJECTED;
 898     }
 899
 900     WMRequest req = WMRequest(appid, role, area, task);
 901     unsigned new_req = g_app_list.addRequest(req);
 902     *req_num = new_req;
 903     g_app_list.reqDump();
 904
 905     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 906
 907     return WMError::SUCCESS;
 908 }
 909
 910 void App::api_activate_surface(char const *appid, char const *drawing_name,
 911                                char const *drawing_area, const reply_func &reply)
 912 {
 913     ST();
 914
 915     std::string id = appid;
 916     std::string role = drawing_name;
 917     std::string area = drawing_area;
 918     Task task = Task::TASK_ALLOCATE;
 919     unsigned req_num = 0;
 920     WMError ret = WMError::UNKNOWN;
 921
 922     ret = this->setRequest(id, role, area, task, &req_num);
 923
 924     if(ret != WMError::SUCCESS)
 925     {
 926         HMI_ERROR("wm", errorDescription(ret));
 927         reply("Failed to set request");
 928         return;
 929     }
 930
 931     reply(nullptr);
 932     if (req_num != g_app_list.currentRequestNumber())
 933     {
 934         // Add request, then invoked after the previous task is finished
 935         HMI_SEQ_DEBUG(req_num, "request is accepted");
 936         return;
 937     }
 938
 939     /*
 940     * Do allocate tasks
 941     */
 942     ret = this->doTransition(req_num);
 943
 944     if (ret != WMError::SUCCESS)
 945     {
 946         //this->emit_error()
 947         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 948         g_app_list.removeRequest(req_num);
 949         this->processNextRequest();
 950     }
 951 }
 952
 953 void App::api_deactivate_surface(char const *appid, char const *drawing_name,
 954                                  const reply_func &reply)
 955 {
 956     ST();
 957
 958     /*
 959    * Check Phase
 960    */
 961     std::string id = appid;
 962     std::string role = drawing_name;
 963     std::string area = ""; //drawing_area;
 964     Task task = Task::TASK_RELEASE;
 965     unsigned req_num = 0;
 966     WMError ret = WMError::UNKNOWN;
 967
 968     ret = this->setRequest(id, role, area, task, &req_num);
 969
 970     if (ret != WMError::SUCCESS)
 971     {
 972         HMI_ERROR("wm", errorDescription(ret));
 973         reply("Failed to set request");
 974         return;
 975     }
 976
 977     reply(nullptr);
 978     if (req_num != g_app_list.currentRequestNumber())
 979     {
 980         // Add request, then invoked after the previous task is finished
 981         HMI_SEQ_DEBUG(req_num, "request is accepted");
 982         return;
 983     }
 984
 985     /*
 986     * Do allocate tasks
 987     */
 988     ret = this->doTransition(req_num);
 989
 990     if (ret != WMError::SUCCESS)
 991     {
 992         //this->emit_error()
 993         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 994         g_app_list.removeRequest(req_num);
 995         this->processNextRequest();
 996     }
 997 }
 998
 999 void App::enqueue_flushdraw(int surface_id)
1000 {
1001     this->check_flushdraw(surface_id);
1002     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
1003     this->pending_end_draw.push_back(surface_id);
1004 }
1005
1006 void App::check_flushdraw(int surface_id)
1007 {
1008     auto i = std::find(std::begin(this->pending_end_draw),
1009                        std::end(this->pending_end_draw), surface_id);
1010     if (i != std::end(this->pending_end_draw))
1011     {
1012         auto n = this->lookup_name(surface_id);
1013         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1014                   n ? n->c_str() : "unknown-name", surface_id);
1015         std::swap(this->pending_end_draw[std::distance(
1016                       std::begin(this->pending_end_draw), i)],
1017                   this->pending_end_draw.back());
1018         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1019     }
1020 }
1021
1022 WMError App::doEndDraw(unsigned req_num)
1023 {
1024     // get actions
1025     bool found;
1026     auto actions = g_app_list.getActions(req_num, &found);
1027     WMError ret = WMError::SUCCESS;
1028     if (!found)
1029     {
1030         ret = WMError::NO_ENTRY;
1031         return ret;
1032     }
1033
1034     HMI_SEQ_INFO(req_num, "do endDraw");
1035
1036     // layout change and make it visible
1037     for (const auto &act : actions)
1038     {
1039         // layout change
1040         if(!g_app_list.contains(act.appid)){
1041             ret = WMError::NOT_REGISTERED;
1042         }
1043         ret = this->layoutChange(act);
1044         if(ret != WMError::SUCCESS)
1045         {
1046             HMI_SEQ_WARNING(req_num,
1047                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1048             return ret;
1049         }
1050         ret = this->visibilityChange(act);
1051         if (ret != WMError::SUCCESS)
1052         {
1053             HMI_SEQ_WARNING(req_num,
1054                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1055             return ret;
1056         }
1057         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1058         //this->lm_enddraw(act.role.c_str());
1059     }
1060
1061     // Change current state
1062     this->changeCurrentState(req_num);
1063
1064     HMI_SEQ_INFO(req_num, "emit flushDraw");
1065
1066     for(const auto &act_flush : actions)
1067     {
1068         if(act_flush.visible != TaskVisible::INVISIBLE)
1069         {
1070             this->emit_flushdraw(act_flush.role.c_str());
1071         }
1072     }
1073
1074     return ret;
1075 }
1076
1077 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1078 {
1079     this->surface_set_layout(surface, area);
1080
1081     return WMError::SUCCESS;
1082 }
1083
1084 WMError App::layoutChange(const WMAction &action)
1085 {
1086     if (action.visible == TaskVisible::INVISIBLE)
1087     {
1088         // Visibility is not change -> no redraw is required
1089         return WMError::SUCCESS;
1090     }
1091     auto client = g_app_list.lookUpClient(action.appid);
1092     unsigned surface = client->surfaceID(action.role);
1093     if (surface == 0)
1094     {
1095         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1096                       "client doesn't have surface with role(%s)", action.role.c_str());
1097         return WMError::NOT_REGISTERED;
1098     }
1099     // Layout Manager
1100     WMError ret = this->setSurfaceSize(surface, action.area);
1101     return ret;
1102 }
1103
1104 WMError App::visibilityChange(const WMAction &action)
1105 {
1106     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
1107     if(!g_app_list.contains(action.appid)){
1108         return WMError::NOT_REGISTERED;
1109     }
1110     auto client = g_app_list.lookUpClient(action.appid);
1111     unsigned surface = client->surfaceID(action.role);
1112     if(surface == 0)
1113     {
1114         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1115                       "client doesn't have surface with role(%s)", action.role.c_str());
1116         return WMError::NOT_REGISTERED;
1117     }
1118
1119     if (action.visible != TaskVisible::INVISIBLE)
1120     {
1121         this->activate(surface); // Layout Manager task
1122     }
1123     else
1124     {
1125         this->deactivate(surface); // Layout Manager task
1126     }
1127     return WMError::SUCCESS;
1128 }
1129
1130 WMError App::changeCurrentState(unsigned req_num)
1131 {
1132     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1133     bool trigger_found = false, action_found = false;
1134     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1135     auto actions = g_app_list.getActions(req_num, &action_found);
1136     if (!trigger_found || !action_found)
1137     {
1138         HMI_SEQ_ERROR(req_num, "Action not found");
1139         return WMError::LAYOUT_CHANGE_FAIL;
1140     }
1141
1142     // Layout state reset
1143     struct LayoutState reset_state{-1, -1};
1144     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1145     for (const auto &action : actions)
1146     {
1147         if(!g_app_list.contains(action.appid)){
1148             return WMError::NOT_REGISTERED;
1149         }
1150         auto client = g_app_list.lookUpClient(action.appid);
1151         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1152         if(pCurState == nullptr)
1153         {
1154             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1155             continue;
1156         }
1157         pCurState->main = reset_state.main;
1158         pCurState->sub = reset_state.sub;
1159     }
1160
1161     HMI_SEQ_DEBUG(req_num, "Change state");
1162     for (const auto &action : actions)
1163     {
1164         auto client = g_app_list.lookUpClient(action.appid);
1165         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1166         if (pLayerCurState == nullptr)
1167         {
1168             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1169             continue;
1170         }
1171         int surface = -1;
1172
1173         if (action.visible != TaskVisible::INVISIBLE)
1174         {
1175             surface = (int)client->surfaceID(action.role);
1176             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
1177                             action.role.c_str(), surface, action.area.c_str());
1178             // visible == true -> layout changes
1179             if(action.area == "normal.full" || action.area == "split.main")
1180             {
1181                 pLayerCurState->main = surface;
1182             }
1183             else if (action.area == "split.sub")
1184             {
1185                 pLayerCurState->sub = surface;
1186             }
1187             else
1188             {
1189                 // normalfull
1190                 pLayerCurState->main = surface;
1191             }
1192         }
1193     }
1194
1195     return WMError::SUCCESS;
1196 }
1197
1198 void App::api_enddraw(char const *appid, char const *drawing_name)
1199 {
1200     std::string id = appid;
1201     std::string role = drawing_name;
1202     unsigned current_req = g_app_list.currentRequestNumber();
1203     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1204
1205     if (!result)
1206     {
1207         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1208         return;
1209     }
1210
1211     if (g_app_list.endDrawFullfilled(current_req))
1212     {
1213         // do task for endDraw
1214         this->stopTimer();
1215         WMError ret = this->doEndDraw(current_req);
1216
1217         if(ret != WMError::SUCCESS)
1218         {
1219             //this->emit_error();
1220         }
1221         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1222
1223         g_app_list.removeRequest(current_req);
1224
1225         this->processNextRequest();
1226     }
1227     else
1228     {
1229         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1230         return;
1231     }
1232 }
1233
1234 void App::processNextRequest()
1235 {
1236     g_app_list.next();
1237     g_app_list.reqDump();
1238     unsigned req_num = g_app_list.currentRequestNumber();
1239     if (g_app_list.haveRequest())
1240     {
1241         HMI_SEQ_DEBUG(req_num, "Process next request");
1242         WMError rc = doTransition(req_num);
1243         if (rc != WMError::SUCCESS)
1244         {
1245             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1246         }
1247     }
1248     else
1249     {
1250         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1251     }
1252 }
1253
1254 void App::api_ping() { this->dispatch_pending_events(); }
1255
1256 void App::send_event(char const *evname, char const *label)
1257 {
1258     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1259
1260     json_object *j = json_object_new_object();
1261     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1262
1263     int ret = afb_event_push(this->map_afb_event[evname], j);
1264     if (ret != 0)
1265     {
1266         HMI_DEBUG("wm", "afb_event_push failed: %m");
1267     }
1268 }
1269
1270 void App::send_event(char const *evname, char const *label, char const *area,
1271                      int x, int y, int w, int h)
1272 {
1273     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1274               __func__, evname, label, area, x, y, w, h);
1275
1276     json_object *j_rect = json_object_new_object();
1277     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1278     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1279     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1280     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1281
1282     json_object *j = json_object_new_object();
1283     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1284     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1285     json_object_object_add(j, kKeyDrawingRect, j_rect);
1286
1287     int ret = afb_event_push(this->map_afb_event[evname], j);
1288     if (ret != 0)
1289     {
1290         HMI_DEBUG("wm", "afb_event_push failed: %m");
1291     }
1292 }
1293
1294 /**
1295  * proxied events
1296  */
1297 void App::surface_created(uint32_t surface_id)
1298 {
1299     auto layer_id = this->layers.get_layer_id(surface_id);
1300     if (!layer_id)
1301     {
1302         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1303                   surface_id);
1304         return;
1305     }
1306
1307     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1308
1309     this->controller->layers[*layer_id]->add_surface(surface_id);
1310     this->layout_commit();
1311     // activate the main_surface right away
1312     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1313       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1314
1315       this->api_activate_surface(
1316          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1317    }*/
1318
1319     // search pid from surfaceID
1320
1321     // pick up appid from pid from application manager
1322
1323     // check appid then add it to the client
1324 }
1325
1326 void App::surface_removed(uint32_t surface_id)
1327 {
1328     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1329
1330     g_app_list.removeSurface(surface_id);
1331 }
1332
1333 void App::emit_activated(char const *label)
1334 {
1335     this->send_event(kListEventName[Event_Active], label);
1336 }
1337
1338 void App::emit_deactivated(char const *label)
1339 {
1340     this->send_event(kListEventName[Event_Inactive], label);
1341 }
1342
1343 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1344 {
1345     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1346 }
1347
1348 void App::emit_syncdraw(const std::string &role, const std::string &area)
1349 {
1350     compositor::rect rect = this->layers.getAreaSize(area);
1351     //this->lm_get_area_info(area, &x, &y, &w, &h);
1352     this->send_event(kListEventName[Event_SyncDraw],
1353         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1354 }
1355
1356 void App::emit_flushdraw(char const *label)
1357 {
1358     this->send_event(kListEventName[Event_FlushDraw], label);
1359 }
1360
1361 void App::emit_visible(char const *label, bool is_visible)
1362 {
1363     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1364 }
1365
1366 void App::emit_invisible(char const *label)
1367 {
1368     return emit_visible(label, false);
1369 }
1370
1371 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1372
1373 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1374 {
1375     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1376     if (!lid)
1377     {
1378         /**
1379        * register drawing_name as fallback and make it displayed.
1380        */
1381         lid = this->layers.get_layer_id(std::string("Fallback"));
1382         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1383         if (!lid)
1384         {
1385             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1386         }
1387     }
1388
1389     auto rname = this->lookup_id(drawing_name);
1390     if (!rname)
1391     {
1392         // name does not exist yet, allocate surface id...
1393         auto id = int(this->id_alloc.generate_id(drawing_name));
1394         this->layers.add_surface(id, *lid);
1395
1396         // set the main_surface[_name] here and now
1397         if (!this->layers.main_surface_name.empty() &&
1398             this->layers.main_surface_name == drawing_name)
1399         {
1400             this->layers.main_surface = id;
1401             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1402         }
1403
1404         // add client into the db
1405         std::string appid_str(appid);
1406         std::string role(drawing_name);
1407         //g_app_list.addClient(appid_str, role);
1408         g_app_list.addClient(appid_str, *lid, id, role);
1409
1410         return Ok<int>(id);
1411     }
1412
1413     // Check currently registered drawing names if it is already there.
1414     return Err<int>("Surface already present");
1415 }
1416
1417 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1418                                      char const *ivi_id)
1419 {
1420     ST();
1421
1422     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1423     unsigned sid = std::stol(ivi_id);
1424
1425     if (!lid)
1426     {
1427         /**
1428        * register drawing_name as fallback and make it displayed.
1429        */
1430         lid = this->layers.get_layer_id(std::string("Fallback"));
1431         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1432         if (!lid)
1433         {
1434             return "Drawing name does not match any role, Fallback is disabled";
1435         }
1436     }
1437
1438     auto rname = this->lookup_id(drawing_name);
1439
1440     if (rname)
1441     {
1442         return "Surface already present";
1443     }
1444
1445     // register pair drawing_name and ivi_id
1446     this->id_alloc.register_name_id(drawing_name, sid);
1447     this->layers.add_surface(sid, *lid);
1448
1449     // this surface is already created
1450     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1451
1452     this->controller->layers[*lid]->add_surface(sid);
1453     this->layout_commit();
1454
1455     return nullptr;
1456 }
1457
1458 result<json_object *> App::api_get_display_info()
1459 {
1460     // Check controller
1461     if (!this->controller)
1462     {
1463         return Err<json_object *>("ivi_controller global not available");
1464     }
1465
1466     // Set display info
1467     compositor::size o_size = this->controller->output_size;
1468     compositor::size p_size = this->controller->physical_size;
1469
1470     json_object *object = json_object_new_object();
1471     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1472     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1473     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1474     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1475
1476     return Ok<json_object *>(object);
1477 }
1478
1479 result<json_object *> App::api_get_area_info(char const *drawing_name)
1480 {
1481     HMI_DEBUG("wm", "called");
1482
1483     // Check drawing name, surface/layer id
1484     auto const &surface_id = this->lookup_id(drawing_name);
1485     if (!surface_id)
1486     {
1487         return Err<json_object *>("Surface does not exist");
1488     }
1489
1490     if (!this->controller->surface_exists(*surface_id))
1491     {
1492         return Err<json_object *>("Surface does not exist in controller!");
1493     }
1494
1495     auto layer_id = this->layers.get_layer_id(*surface_id);
1496     if (!layer_id)
1497     {
1498         return Err<json_object *>("Surface is not on any layer!");
1499     }
1500
1501     auto o_state = *this->layers.get_layout_state(*surface_id);
1502     if (o_state == nullptr)
1503     {
1504         return Err<json_object *>("Could not find layer for surface");
1505     }
1506
1507     struct LayoutState &state = *o_state;
1508     if ((state.main != *surface_id) && (state.sub != *surface_id))
1509     {
1510         return Err<json_object *>("Surface is inactive");
1511     }
1512
1513     // Set area rectangle
1514     compositor::rect area_info = this->area_info[*surface_id];
1515     json_object *object = json_object_new_object();
1516     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1517     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1518     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1519     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1520
1521     return Ok<json_object *>(object);
1522 }
1523
1524 void App::activate(int id)
1525 {
1526     auto ip = this->controller->sprops.find(id);
1527     if (ip != this->controller->sprops.end())
1528     {
1529         this->controller->surfaces[id]->set_visibility(1);
1530         char const *label =
1531             this->lookup_name(id).value_or("unknown-name").c_str();
1532
1533          // FOR CES DEMO >>>
1534         if ((0 == strcmp(label, "Radio"))       ||
1535             (0 == strcmp(label, "MediaPlayer")) ||
1536             (0 == strcmp(label, "Music"))       ||
1537             (0 == strcmp(label, "Navigation")))
1538         {
1539             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1540             {
1541                 if (id == *i)
1542                 {
1543                     // Remove id
1544                     this->surface_bg.erase(i);
1545
1546                     // Remove from BG layer (999)
1547                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1548                     this->controller->layers[999]->remove_surface(id);
1549
1550                     // Add to FG layer (1001)
1551                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1552                     this->controller->layers[1001]->add_surface(id);
1553
1554                     for (int j : this->surface_bg)
1555                     {
1556                         HMI_DEBUG("wm", "Stored id:%d", j);
1557                     }
1558                     break;
1559                 }
1560             }
1561         }
1562         // <<< FOR CES DEMO
1563         this->layout_commit();
1564
1565         this->emit_visible(label);
1566         this->emit_activated(label);
1567     }
1568 }
1569
1570 void App::deactivate(int id)
1571 {
1572     auto ip = this->controller->sprops.find(id);
1573     if (ip != this->controller->sprops.end())
1574     {
1575         char const *label =
1576             this->lookup_name(id).value_or("unknown-name").c_str();
1577
1578         // FOR CES DEMO >>>
1579         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1580         {
1581
1582             // Store id
1583             this->surface_bg.push_back(id);
1584
1585             // Remove from FG layer (1001)
1586             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1587             this->controller->layers[1001]->remove_surface(id);
1588
1589             // Add to BG layer (999)
1590             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1591             this->controller->layers[999]->add_surface(id);
1592
1593             for (int j : surface_bg)
1594             {
1595                 HMI_DEBUG("wm", "Stored id:%d", j);
1596             }
1597         }
1598         else
1599         {
1600             this->controller->surfaces[id]->set_visibility(0);
1601         }
1602         // <<< FOR CES DEMO
1603
1604         this->emit_deactivated(label);
1605         this->emit_invisible(label);
1606     }
1607 }
1608
1609 void App::deactivate_main_surface()
1610 {
1611     this->layers.main_surface = -1;
1612     std::string appid = "HomeScreen";
1613     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1614 }
1615
1616 bool App::can_split(struct LayoutState const &state, int new_id)
1617 {
1618     if (state.main != -1 && state.main != new_id)
1619     {
1620         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1621         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1622
1623         // surfaces are on separate layers, don't bother.
1624         if (new_id_layer != current_id_layer)
1625         {
1626             return false;
1627         }
1628
1629         std::string const &new_id_str = this->lookup_name(new_id).value();
1630         std::string const &cur_id_str = this->lookup_name(state.main).value();
1631
1632         auto const &layer = this->layers.get_layer(new_id_layer);
1633
1634         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1635
1636         if (layer->layouts.empty())
1637         {
1638             return false;
1639         }
1640
1641         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1642         {
1643             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1644             auto rem = std::regex(i->main_match);
1645             if (std::regex_match(cur_id_str, rem))
1646             {
1647                 // build the second one only if the first already matched
1648                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1649                 auto res = std::regex(i->sub_match);
1650                 if (std::regex_match(new_id_str, res))
1651                 {
1652                     HMI_DEBUG("wm", "layout matched!");
1653                     return true;
1654                 }
1655             }
1656         }
1657     }
1658
1659     return false;
1660 }
1661
1662 void App::try_layout(struct LayoutState & /*state*/,
1663                      struct LayoutState const &new_layout,
1664                      std::function<void(LayoutState const &nl)> apply)
1665 {
1666     if (this->policy.layout_is_valid(new_layout))
1667     {
1668         apply(new_layout);
1669     }
1670 }
1671
1672 /**
1673  * controller_hooks
1674  */
1675 void controller_hooks::surface_created(uint32_t surface_id)
1676 {
1677     this->app->surface_created(surface_id);
1678 }
1679
1680 void controller_hooks::surface_removed(uint32_t surface_id)
1681 {
1682     this->app->surface_removed(surface_id);
1683 }
1684
1685 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1686                                           uint32_t /*v*/) {}
1687
1688 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1689                                                      uint32_t /*x*/,
1690                                                      uint32_t /*y*/,
1691                                                      uint32_t /*w*/,
1692                                                      uint32_t /*h*/) {}
1693
1694 } // namespace wm