src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37
  38 #include "wm_client.hpp"
  39 #include "applist.hpp"
  40
  41 extern "C"
  42 {
  43 #include <systemd/sd-event.h>
  44 }
  45
  46 namespace wm
  47 {
  48
  49 const unsigned kTimeOut = 10000000UL; /* 10s */
  50
  51 /* DrawingArea name used by "{layout}.{area}" */
  52 const char kNameLayoutNormal[] = "normal";
  53 const char kNameLayoutSplit[] = "split";
  54 const char kNameAreaFull[] = "full";
  55 const char kNameAreaMain[] = "main";
  56 const char kNameAreaSub[] = "sub";
  57
  58 /* Key for json obejct */
  59 const char kKeyDrawingName[] = "drawing_name";
  60 const char kKeyDrawingArea[] = "drawing_area";
  61 const char kKeyDrawingRect[] = "drawing_rect";
  62 const char kKeyX[] = "x";
  63 const char kKeyY[] = "y";
  64 const char kKeyWidth[] = "width";
  65 const char kKeyHeight[] = "height";
  66 const char kKeyWidthPixel[] = "width_pixel";
  67 const char kKeyHeightPixel[] = "height_pixel";
  68 const char kKeyWidthMm[] = "width_mm";
  69 const char kKeyHeightMm[] = "height_mm";
  70
  71 static sd_event_source *g_timer_ev_src = nullptr;
  72
  73 static AppList g_app_list;
  74
  75 namespace
  76 {
  77
  78 using nlohmann::json;
  79
  80 result<json> file_to_json(char const *filename)
  81 {
  82     json j;
  83     std::ifstream i(filename);
  84     if (i.fail())
  85     {
  86         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  87         j = default_layers_json;
  88     }
  89     else
  90     {
  91         i >> j;
  92     }
  93
  94     return Ok(j);
  95 }
  96
  97 struct result<layer_map> load_layer_map(char const *filename)
  98 {
  99     HMI_DEBUG("wm", "loading IDs from %s", filename);
 100
 101     auto j = file_to_json(filename);
 102     if (j.is_err())
 103     {
 104         return Err<layer_map>(j.unwrap_err());
 105     }
 106     json jids = j.unwrap();
 107
 108     return to_layer_map(jids);
 109 }
 110
 111 static int
 112 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 113 {
 114     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
 115     reinterpret_cast<wm::App *>(userdata)->timerHandler();
 116     return 0;
 117 }
 118
 119 } // namespace
 120
 121 void App::timerHandler()
 122 {
 123     unsigned req_num = g_app_list.currentRequestNumber();
 124     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
 125     g_app_list.reqDump();
 126     g_app_list.removeRequest(req_num);
 127     this->processNextRequest();
 128 }
 129
 130 void App::removeClient(const std::string &appid)
 131 {
 132     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 133     g_app_list.removeClient(appid);
 134 }
 135
 136 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
 137 {
 138     if(!g_app_list.contains(appid)){
 139         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
 140         return false;
 141     }
 142     auto client = g_app_list.lookUpClient(appid);
 143     return client->subscribe(req, evname);
 144 }
 145
 146 /**
 147  * App Impl
 148  */
 149 App::App(wl::display *d)
 150     : chooks{this},
 151       display{d},
 152       controller{},
 153       outputs(),
 154       config(),
 155       layers(),
 156       id_alloc{},
 157       pending_events(false),
 158       policy{}
 159 {
 160     try
 161     {
 162         {
 163             auto l = load_layer_map(
 164                 this->config.get_string("layers.json").value().c_str());
 165             if (l.is_ok())
 166             {
 167                 this->layers = l.unwrap();
 168             }
 169             else
 170             {
 171                 HMI_ERROR("wm", "%s", l.err().value());
 172             }
 173         }
 174     }
 175     catch (std::exception &e)
 176     {
 177         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 178     }
 179 }
 180
 181 int App::init()
 182 {
 183     if (!this->display->ok())
 184     {
 185         return -1;
 186     }
 187
 188     if (this->layers.mapping.empty())
 189     {
 190         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 191         return -1;
 192     }
 193
 194     // Make afb event
 195     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 196     {
 197         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 198     }
 199
 200     this->display->add_global_handler(
 201         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 202             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 203         });
 204
 205     this->display->add_global_handler(
 206         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 207             this->controller =
 208                 std::make_unique<struct compositor::controller>(r, name, v);
 209
 210             // Init controller hooks
 211             this->controller->chooks = &this->chooks;
 212
 213             // This protocol needs the output, so lets just add our mapping here...
 214             this->controller->add_proxy_to_id_mapping(
 215                 this->outputs.back()->proxy.get(),
 216                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 217                     this->outputs.back()->proxy.get())));
 218
 219             // Create screen
 220             this->controller->create_screen(this->outputs.back()->proxy.get());
 221
 222             // Set display to controller
 223             this->controller->display = this->display;
 224         });
 225
 226     // First level objects
 227     this->display->roundtrip();
 228     // Second level objects
 229     this->display->roundtrip();
 230     // Third level objects
 231     this->display->roundtrip();
 232
 233     return init_layers();
 234 }
 235
 236 int App::dispatch_pending_events()
 237 {
 238     if (this->pop_pending_events())
 239     {
 240         this->display->dispatch_pending();
 241         return 0;
 242     }
 243     return -1;
 244 }
 245
 246 bool App::pop_pending_events()
 247 {
 248     bool x{true};
 249     return this->pending_events.compare_exchange_strong(
 250         x, false, std::memory_order_consume);
 251 }
 252
 253 void App::set_pending_events()
 254 {
 255     this->pending_events.store(true, std::memory_order_release);
 256 }
 257
 258 optional<int> App::lookup_id(char const *name)
 259 {
 260     return this->id_alloc.lookup(std::string(name));
 261 }
 262 optional<std::string> App::lookup_name(int id)
 263 {
 264     return this->id_alloc.lookup(id);
 265 }
 266
 267 /**
 268  * init_layers()
 269  */
 270 int App::init_layers()
 271 {
 272     if (!this->controller)
 273     {
 274         HMI_ERROR("wm", "ivi_controller global not available");
 275         return -1;
 276     }
 277
 278     if (this->outputs.empty())
 279     {
 280         HMI_ERROR("wm", "no output was set up!");
 281         return -1;
 282     }
 283
 284     auto &c = this->controller;
 285
 286     auto &o = this->outputs.front();
 287     auto &s = c->screens.begin()->second;
 288     auto &layers = c->layers;
 289
 290     // Write output dimensions to ivi controller...
 291     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 292     c->physical_size = compositor::size{uint32_t(o->physical_width),
 293                                         uint32_t(o->physical_height)};
 294
 295     // Clear scene
 296     layers.clear();
 297
 298     // Clear screen
 299     s->clear();
 300
 301     // Quick and dirty setup of layers
 302     for (auto const &i : this->layers.mapping)
 303     {
 304         c->layer_create(i.second.layer_id, o->width, o->height);
 305         auto &l = layers[i.second.layer_id];
 306         l->set_destination_rectangle(0, 0, o->width, o->height);
 307         l->set_visibility(1);
 308         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 309                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 310     }
 311
 312     // Add layers to screen
 313     s->set_render_order(this->layers.layers);
 314
 315     this->layout_commit();
 316
 317     this->layers.setupArea(o->width, o->height);
 318
 319     return 0;
 320 }
 321
 322 void App::surface_set_layout(int surface_id, const std::string& area)
 323 {
 324     if (!this->controller->surface_exists(surface_id))
 325     {
 326         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 327         return;
 328     }
 329
 330     auto o_layer_id = this->layers.get_layer_id(surface_id);
 331
 332     if (!o_layer_id)
 333     {
 334         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 335         return;
 336     }
 337
 338     uint32_t layer_id = *o_layer_id;
 339
 340     auto const &layer = this->layers.get_layer(layer_id);
 341     auto rect = this->layers.getAreaSize(area);
 342     auto &s = this->controller->surfaces[surface_id];
 343
 344     int x = rect.x;
 345     int y = rect.y;
 346     int w = rect.w;
 347     int h = rect.h;
 348
 349     // less-than-0 values refer to MAX + 1 - $VALUE
 350     // e.g. MAX is either screen width or height
 351     if (w < 0)
 352     {
 353         w = this->controller->output_size.w + 1 + w;
 354     }
 355     if (h < 0)
 356     {
 357         h = this->controller->output_size.h + 1 + h;
 358     }
 359
 360     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 361               layer_id);
 362
 363     // set destination to the display rectangle
 364     s->set_destination_rectangle(x, y, w, h);
 365
 366     // update area information
 367     this->area_info[surface_id].x = x;
 368     this->area_info[surface_id].y = y;
 369     this->area_info[surface_id].w = w;
 370     this->area_info[surface_id].h = h;
 371
 372     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 373               surface_id, layer_id, x, y, w, h);
 374 }
 375
 376 void App::layout_commit()
 377 {
 378     this->controller->commit_changes();
 379     this->display->flush();
 380 }
 381
 382 void App::setTimer()
 383 {
 384     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
 385     if (g_timer_ev_src == nullptr)
 386     {
 387         // firsttime set into sd_event
 388         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
 389                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
 390         if (ret < 0)
 391         {
 392             HMI_ERROR("wm", "Could't set timer");
 393         }
 394     }
 395     else
 396     {
 397         // update timer limitation after second time
 398         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
 399         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
 400     }
 401 }
 402
 403 void App::stopTimer()
 404 {
 405     unsigned req_num = g_app_list.currentRequestNumber();
 406     HMI_SEQ_DEBUG(req_num, "Timer stop");
 407     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
 408     if (rc < 0)
 409     {
 410         HMI_SEQ_ERROR(req_num, "Timer stop failed");
 411     }
 412 }
 413
 414 WMError App::lm_release(const struct WMAction &action)
 415 {
 416     //auto const &surface_id = this->lookup_id(drawing_name);
 417     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 418     unsigned req_num = g_app_list.currentRequestNumber();
 419     auto const &surface_id = this->lookup_id(action.role.c_str());
 420     if (!surface_id)
 421     {
 422         HMI_SEQ_ERROR(req_num, "Surface does not exist");
 423         return ret;
 424     }
 425
 426     if (*surface_id == this->layers.main_surface)
 427     {
 428         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
 429         return ret;
 430     }
 431
 432     auto o_state = *this->layers.get_layout_state(*surface_id);
 433
 434     if (o_state == nullptr)
 435     {
 436         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
 437         return ret;
 438     }
 439
 440     struct LayoutState &state = *o_state;
 441
 442     if (state.main == -1)
 443     {
 444         HMI_SEQ_ERROR(req_num, "No surface active");
 445         return ret;
 446     }
 447
 448     // Check against main_surface, main_surface_name is the configuration item.
 449     if (*surface_id == this->layers.main_surface)
 450     {
 451         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
 452         //reply(nullptr);
 453         return WMError::SUCCESS;
 454     }
 455     if ((state.main == *surface_id) && (state.sub == *surface_id))
 456     {
 457         HMI_SEQ_ERROR(req_num, "Surface is not active");
 458         return ret;
 459     }
 460
 461     if (state.main == *surface_id)
 462     {
 463         if (state.sub != -1)
 464         {
 465             this->try_layout(
 466                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
 467                     std::string sub = std::move(*this->lookup_name(state.sub));
 468
 469                     this->deactivate(*surface_id);
 470                     this->surface_set_layout(state.sub);
 471                     state = nl;
 472
 473                     this->layout_commit();
 474                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 475                     compositor::rect area_rect = this->area_info[state.sub];
 476                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
 477                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 478                     this->enqueue_flushdraw(state.sub);
 479                 });
 480         }
 481         else
 482         {
 483             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
 484                 this->deactivate(*surface_id);
 485                 state = nl;
 486                 this->layout_commit();
 487             });
 488         }
 489     }
 490     else if (state.sub == *surface_id)
 491     {
 492         this->try_layout(
 493             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
 494                 std::string main = std::move(*this->lookup_name(state.main));
 495
 496                 this->deactivate(*surface_id);
 497                 this->surface_set_layout(state.main);
 498                 state = nl;
 499
 500                 this->layout_commit();
 501                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
 502                 compositor::rect area_rect = this->area_info[state.main];
 503                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
 504                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
 505                 this->enqueue_flushdraw(state.main);
 506             });
 507     }
 508     return WMError::SUCCESS;
 509 }
 510
 511 WMError App::doTransition(unsigned req_num)
 512 {
 513     HMI_SEQ_DEBUG(req_num, "check policy");
 514     WMError ret = this->checkPolicy(req_num);
 515     if (ret != WMError::SUCCESS)
 516     {
 517         return ret;
 518     }
 519     HMI_SEQ_DEBUG(req_num, "Start transition.");
 520     ret = this->startTransition(req_num);
 521     return ret;
 522 }
 523
 524 WMError App::checkPolicy(unsigned req_num)
 525 {
 526     /*
 527     * Check Policy
 528     */
 529     // get current trigger
 530     bool found = false;
 531     bool split = false;
 532     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 533     auto trigger = g_app_list.getRequest(req_num, &found);
 534     if (!found)
 535     {
 536         ret = WMError::NO_ENTRY;
 537         return ret;
 538     }
 539     std::string req_area = trigger.area;
 540
 541     // >>>> Compatible with current window manager until policy manager coming
 542     if (trigger.task == Task::TASK_ALLOCATE)
 543     {
 544         HMI_SEQ_DEBUG(req_num, "Check split or not");
 545         const char *msg = this->check_surface_exist(trigger.role.c_str());
 546
 547         if (msg)
 548         {
 549             HMI_SEQ_ERROR(req_num, msg);
 550             ret = WMError::LAYOUT_CHANGE_FAIL;
 551             return ret;
 552         }
 553
 554         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 555         auto o_state = *this->layers.get_layout_state(*surface_id);
 556         struct LayoutState &state = *o_state;
 557
 558         unsigned curernt_sid = state.main;
 559         split = this->can_split(state, *surface_id);
 560
 561         if (split)
 562         {
 563             HMI_SEQ_DEBUG(req_num, "Split happens");
 564             // Get current visible role
 565             std::string add_role = this->lookup_name(state.main).value();
 566             // Set next area
 567             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 568             // Change request area
 569             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 570             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen", trigger.area, req_area);
 571             // set another action
 572             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 573             if (!found)
 574             {
 575                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
 576                 ret = WMError::NOT_REGISTERED;
 577                 return ret;
 578             }
 579             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 580                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 581             // Set split action
 582             bool end_draw_finished = false;
 583             WMAction split_action{
 584                 add_name,
 585                 add_role,
 586                 add_area,
 587                 TaskVisible::VISIBLE,
 588                 end_draw_finished};
 589             WMError ret = g_app_list.setAction(req_num, split_action);
 590             if (ret != WMError::SUCCESS)
 591             {
 592                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 593                 return ret;
 594             }
 595             g_app_list.reqDump();
 596         }
 597     }
 598     else
 599     {
 600         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
 601     }
 602
 603     // Set invisible task(Remove if policy manager finish)
 604     ret = this->setInvisibleTask(trigger.role, split);
 605     if(ret != WMError::SUCCESS)
 606     {
 607         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
 608         return ret;
 609     }
 610
 611     /*  get new status from Policy Manager */
 612     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 613     TaskVisible task_visible = (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 614
 615     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
 616     g_app_list.reqDump();
 617
 618     return ret;
 619 }
 620
 621 WMError App::startTransition(unsigned req_num)
 622 {
 623     bool sync_draw_happen = false;
 624     bool found = false;
 625     WMError ret = WMError::SUCCESS;
 626     auto actions = g_app_list.getActions(req_num, &found);
 627     if (!found)
 628     {
 629         ret = WMError::NO_ENTRY;
 630         HMI_SEQ_ERROR(req_num, "Window Manager bug :%s : Action is not set", errorDescription(ret));
 631         return ret;
 632     }
 633
 634     for (const auto &y : actions)
 635     {
 636         if (y.visible != TaskVisible::INVISIBLE)
 637         {
 638             sync_draw_happen = true;
 639             this->emit_syncdraw(y.role, y.area);
 640             /* TODO: emit event for app not subscriber
 641             if(g_app_list.contains(y.appid))
 642                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
 643         }
 644     }
 645
 646     if (sync_draw_happen)
 647     {
 648         this->setTimer();
 649     }
 650     else
 651     {
 652         // deactivate only, no syncDraw
 653         // Make it deactivate here
 654         for (const auto &z : actions)
 655         {
 656             if (g_app_list.contains(z.appid))
 657             {
 658                 auto client = g_app_list.lookUpClient(z.appid);
 659                 this->deactivate(client->surfaceID(z.role));
 660             }
 661         }
 662         ret = NO_LAYOUT_CHANGE;
 663     }
 664     return ret;
 665 }
 666
 667 WMError App::setInvisibleTask(const std::string &role, bool split)
 668 {
 669     unsigned req = g_app_list.currentRequestNumber();
 670     HMI_SEQ_DEBUG(req, "set current visible app to invisible task");
 671     // This task is copied from original actiavete surface
 672     const char *drawing_name = role.c_str();
 673     auto const &surface_id = this->lookup_id(drawing_name);
 674     auto layer_id = this->layers.get_layer_id(*surface_id);
 675     auto o_state = *this->layers.get_layout_state(*surface_id);
 676     struct LayoutState &state = *o_state;
 677     std::string add_name, add_role;
 678     std::string add_area = "";
 679     int surface;
 680     TaskVisible task_visible = TaskVisible::INVISIBLE;
 681     bool end_draw_finished = true;
 682     bool found = false;
 683
 684     for (auto const &l : this->layers.mapping)
 685     {
 686         if (l.second.layer_id <= *layer_id)
 687         {
 688             continue;
 689         }
 690         if (l.second.state.main != -1)
 691         {
 692             //this->deactivate(l.second.state.main);
 693             surface = l.second.state.main;
 694             add_role = *this->id_alloc.lookup(surface);
 695             add_name = g_app_list.getAppID(surface, add_role, &found);
 696             if(!found){
 697                 return WMError::NOT_REGISTERED;
 698             }
 699             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
 700             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 701             g_app_list.setAction(req, act);
 702             l.second.state.main = -1;
 703         }
 704
 705         if (l.second.state.sub != -1)
 706         {
 707             //this->deactivate(l.second.state.sub);
 708             surface = l.second.state.sub;
 709             add_role = *this->id_alloc.lookup(surface);
 710             add_name = g_app_list.getAppID(surface, add_role, &found);
 711             if (!found)
 712             {
 713                 return WMError::NOT_REGISTERED;
 714             }
 715             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
 716             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
 717             g_app_list.setAction(req, act);
 718             l.second.state.sub = -1;
 719         }
 720     }
 721
 722     // change current state here, but this is hack
 723     auto layer = this->layers.get_layer(*layer_id);
 724
 725     if (state.main == -1)
 726     {
 727         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 728         //state = LayoutState{*surface_id};
 729         /* this->try_layout(
 730             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
 731                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 732                 //this->surface_set_layout(*surface_id);
 733                 state = nl;
 734
 735                 //compositor::rect area_rect = this->area_info[*surface_id];
 736             }); */
 737     }
 738     else
 739     {
 740         if (0 != strcmp(drawing_name, "HomeScreen"))
 741         {
 742             if (split)
 743             {
 744                 std::string main =
 745                     std::move(*this->id_alloc.lookup(state.main));
 746                 if (state.sub != *surface_id)
 747                 {
 748                     if (state.sub != -1)
 749                     {
 750                         //this->deactivate(state.sub);
 751                         WMAction deact_sub;
 752                         deact_sub.role = main;
 753                         deact_sub.area = add_area;
 754                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
 755                         if (!found)
 756                         {
 757                             HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 758                             return WMError::NOT_REGISTERED;
 759                         }
 760                         deact_sub.visible = task_visible;
 761                         deact_sub.end_draw_finished = end_draw_finished;
 762                         HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 763                         g_app_list.setAction(req, deact_sub);
 764                     }
 765                 }
 766                 //state = LayoutState{state.main, *surface_id};
 767             }
 768             else
 769             {
 770                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
 771
 772                 //this->surface_set_layout(*surface_id);
 773                 if (state.main != *surface_id)
 774                 {
 775                     // this->deactivate(state.main);
 776                     WMAction deact_main;
 777                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
 778                     ;
 779                     deact_main.area = add_area;
 780                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
 781                     if (!found)
 782                     {
 783                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 784                         return WMError::NOT_REGISTERED;
 785                     }
 786                     deact_main.visible = task_visible;
 787                     deact_main.end_draw_finished = end_draw_finished;
 788                     HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 789                     g_app_list.setAction(req, deact_main);
 790                 }
 791                 if (state.sub != -1)
 792                 {
 793                     if (state.sub != *surface_id)
 794                     {
 795                         //this->deactivate(state.sub);
 796                         WMAction deact_sub;
 797                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
 798                         ;
 799                         deact_sub.area = add_area;
 800                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
 801                         if (!found)
 802                         {
 803                             HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
 804                             return WMError::NOT_REGISTERED;
 805                         }
 806                         deact_sub.visible = task_visible;
 807                         deact_sub.end_draw_finished = end_draw_finished;
 808                         HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
 809                         g_app_list.setAction(req, deact_sub);
 810                     }
 811                 }
 812                 //state = LayoutState{*surface_id};
 813             }
 814         }
 815     }
 816     return WMError::SUCCESS;
 817 }
 818
 819 const char *App::check_surface_exist(const char *drawing_name)
 820 {
 821     auto const &surface_id = this->lookup_id(drawing_name);
 822     if (!surface_id)
 823     {
 824         //reply("Surface does not exist");
 825         return "Surface does not exist";
 826     }
 827
 828     if (!this->controller->surface_exists(*surface_id))
 829     {
 830         //reply("Surface does not exist in controller!");
 831         return "Surface does not exist in controller!";
 832     }
 833
 834     auto layer_id = this->layers.get_layer_id(*surface_id);
 835
 836     if (!layer_id)
 837     {
 838         //reply("Surface is not on any layer!");
 839         return "Surface is not on any layer!";
 840     }
 841
 842     auto o_state = *this->layers.get_layout_state(*surface_id);
 843
 844     if (o_state == nullptr)
 845     {
 846         //reply("Could not find layer for surface");
 847         return "Could not find layer for surface";
 848     }
 849
 850     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
 851     return nullptr;
 852     //reply(nullptr);
 853 }
 854
 855 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 856                             Task task, unsigned* req_num)
 857 {
 858     if (!g_app_list.contains(appid))
 859     {
 860         return WMError::NOT_REGISTERED;
 861     }
 862
 863     auto client = g_app_list.lookUpClient(appid);
 864
 865     /*
 866    * Queueing Phase
 867    */
 868     unsigned current = g_app_list.currentRequestNumber();
 869     unsigned requested_num = g_app_list.getRequestNumber(appid);
 870     if (requested_num != 0)
 871     {
 872         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 873         return REQ_REJECTED;
 874     }
 875
 876     WMRequest req = WMRequest(appid, role, area, task);
 877     unsigned new_req = g_app_list.addAllocateRequest(req);
 878     *req_num = new_req;
 879     g_app_list.reqDump();
 880
 881     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 882
 883     return WMError::SUCCESS;
 884 }
 885
 886 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
 887 {
 888     ST();
 889
 890     std::string id = appid;
 891     std::string role = drawing_name;
 892     std::string area = drawing_area;
 893     Task task = Task::TASK_ALLOCATE;
 894     unsigned req_num = 0;
 895     WMError ret = WMError::UNKNOWN;
 896
 897     ret = this->setRequest(id, role, area, task, &req_num);
 898
 899     if(ret != WMError::SUCCESS)
 900     {
 901         HMI_ERROR("wm", errorDescription(ret));
 902         reply("Failed to set request");
 903         return;
 904     }
 905
 906     reply(nullptr);
 907     if (req_num != g_app_list.currentRequestNumber())
 908     {
 909         // Add request, then invoked after the previous task is finished
 910         HMI_SEQ_DEBUG(req_num, "request is accepted");
 911         return;
 912     }
 913
 914     /*
 915     * Do allocate tasks
 916     */
 917     ret = this->doTransition(req_num);
 918
 919     if (ret != WMError::SUCCESS)
 920     {
 921         //this->emit_error()
 922         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 923         g_app_list.removeRequest(req_num);
 924         g_app_list.next();
 925         g_app_list.reqDump();
 926     }
 927 }
 928
 929 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 930 {
 931     ST();
 932
 933     /*
 934    * Check Phase
 935    */
 936     std::string id = appid;
 937     std::string role = drawing_name;
 938     std::string area = ""; //drawing_area;
 939
 940     if (!g_app_list.contains(id))
 941     {
 942         reply("app doesn't request 'requestSurface' yet");
 943         return;
 944     }
 945     auto client = g_app_list.lookUpClient(id);
 946
 947     /*
 948    * Queueing Phase
 949    */
 950     unsigned current = g_app_list.currentRequestNumber();
 951     unsigned requested_num = g_app_list.getRequestNumber(id);
 952     if (requested_num != 0)
 953     {
 954         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
 955         reply("already requested");
 956         return;
 957     }
 958
 959     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
 960     unsigned new_req = g_app_list.addAllocateRequest(req);
 961     g_app_list.reqDump();
 962
 963     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
 964
 965     reply(nullptr);
 966     if (new_req != current)
 967     {
 968         // Add request, then invoked after the previous task is finished
 969         HMI_SEQ_DEBUG(new_req, "request is accepted");
 970         return;
 971     }
 972
 973     /*
 974     * Do allocate tasks
 975     */
 976     WMError ret = this->doTransition(new_req);
 977
 978     if (ret != WMError::SUCCESS)
 979     {
 980         HMI_SEQ_ERROR(new_req, errorDescription(ret));
 981         g_app_list.removeRequest(new_req);
 982         g_app_list.next();
 983         //this->emit_error()
 984     }
 985 }
 986
 987 void App::enqueue_flushdraw(int surface_id)
 988 {
 989     this->check_flushdraw(surface_id);
 990     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 991     this->pending_end_draw.push_back(surface_id);
 992 }
 993
 994 void App::check_flushdraw(int surface_id)
 995 {
 996     auto i = std::find(std::begin(this->pending_end_draw),
 997                        std::end(this->pending_end_draw), surface_id);
 998     if (i != std::end(this->pending_end_draw))
 999     {
1000         auto n = this->lookup_name(surface_id);
1001         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1002                   n ? n->c_str() : "unknown-name", surface_id);
1003         std::swap(this->pending_end_draw[std::distance(
1004                       std::begin(this->pending_end_draw), i)],
1005                   this->pending_end_draw.back());
1006         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1007     }
1008 }
1009
1010 WMError App::doEndDraw(unsigned req_num)
1011 {
1012     // get actions
1013     bool found;
1014     auto actions = g_app_list.getActions(req_num, &found);
1015     WMError ret = WMError::SUCCESS;
1016     if (!found)
1017     {
1018         ret = WMError::NO_ENTRY;
1019         return ret;
1020     }
1021
1022     HMI_SEQ_INFO(req_num, "do endDraw");
1023
1024     // layout change and make it visible
1025     for (const auto &act : actions)
1026     {
1027         // layout change
1028         if(!g_app_list.contains(act.appid)){
1029             ret = WMError::NOT_REGISTERED;
1030         }
1031         ret = this->layoutChange(act);
1032         if(ret != WMError::SUCCESS)
1033         {
1034             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1035             return ret;
1036         }
1037         ret = this->visibilityChange(act);
1038         if (ret != WMError::SUCCESS)
1039         {
1040             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1041             return ret;
1042         }
1043         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1044         //this->lm_enddraw(act.role.c_str());
1045     }
1046
1047     // Change current state
1048     this->changeCurrentState(req_num);
1049
1050     HMI_SEQ_INFO(req_num, "emit flushDraw");
1051
1052     for(const auto &act_flush : actions)
1053     {
1054         if(act_flush.visible != TaskVisible::INVISIBLE)
1055         {
1056             this->emit_flushdraw(act_flush.role.c_str());
1057         }
1058     }
1059
1060     return ret;
1061 }
1062
1063 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1064 {
1065     this->surface_set_layout(surface, area);
1066
1067     return WMError::SUCCESS;
1068 }
1069
1070 WMError App::layoutChange(const WMAction &action)
1071 {
1072     if (action.visible == TaskVisible::INVISIBLE)
1073     {
1074         // Visibility is not change -> no redraw is required
1075         return WMError::SUCCESS;
1076     }
1077     auto client = g_app_list.lookUpClient(action.appid);
1078     unsigned surface = client->surfaceID(action.role);
1079     if (surface == 0)
1080     {
1081         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1082                       "client doesn't have surface with role(%s)", action.role.c_str());
1083         return WMError::NOT_REGISTERED;
1084     }
1085     // Layout Manager
1086     WMError ret = this->setSurfaceSize(surface, action.area);
1087     return ret;
1088 }
1089
1090 WMError App::visibilityChange(const WMAction &action)
1091 {
1092     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
1093     if(!g_app_list.contains(action.appid)){
1094         return WMError::NOT_REGISTERED;
1095     }
1096     auto client = g_app_list.lookUpClient(action.appid);
1097     unsigned surface = client->surfaceID(action.role);
1098     if(surface == 0)
1099     {
1100         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1101                       "client doesn't have surface with role(%s)", action.role.c_str());
1102         return WMError::NOT_REGISTERED;
1103     }
1104
1105     if (action.visible != TaskVisible::INVISIBLE)
1106     {
1107         this->activate(surface); // Layout Manager task
1108     }
1109     else
1110     {
1111         this->deactivate(surface); // Layout Manager task
1112     }
1113     return WMError::SUCCESS;
1114 }
1115
1116 WMError App::changeCurrentState(unsigned req_num)
1117 {
1118     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1119     bool trigger_found = false, action_found = false;
1120     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1121     auto actions = g_app_list.getActions(req_num, &action_found);
1122     if (!trigger_found || !action_found)
1123     {
1124         HMI_SEQ_ERROR(req_num, "Action not found");
1125         return WMError::LAYOUT_CHANGE_FAIL;
1126     }
1127
1128     // Layout state reset
1129     struct LayoutState reset_state{-1, -1};
1130     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1131     for (const auto &action : actions)
1132     {
1133         if(!g_app_list.contains(action.appid)){
1134             return WMError::NOT_REGISTERED;
1135         }
1136         auto client = g_app_list.lookUpClient(trigger.appid);
1137         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(trigger.role));
1138         if(pCurState == nullptr)
1139         {
1140             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1141             continue;
1142         }
1143         pCurState->main = reset_state.main;
1144         pCurState->sub = reset_state.sub;
1145     }
1146
1147     HMI_SEQ_DEBUG(req_num, "Change state");
1148     for (const auto &action : actions)
1149     {
1150         auto client = g_app_list.lookUpClient(action.appid);
1151         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1152         if (pLayerCurState == nullptr)
1153         {
1154             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1155             continue;
1156         }
1157         int surface = -1;
1158
1159         if (action.visible != TaskVisible::INVISIBLE)
1160         {
1161             surface = (int)client->surfaceID(action.role);
1162             HMI_SEQ_INFO(req_num, "Change %s state visible area : %s", action.role.c_str(), action.area.c_str());
1163             // visible == true -> layout changes
1164             if(action.area == "normal.full" || action.area == "split.main")
1165             {
1166                 pLayerCurState->main = surface;
1167             }
1168             else if(action.role == "split.sub")
1169             {
1170                 pLayerCurState->sub = surface;
1171             }
1172             else
1173             {
1174                 // normalfull
1175                 pLayerCurState->main = surface;
1176             }
1177         }
1178     }
1179
1180     return WMError::SUCCESS;
1181 }
1182
1183 void App::api_enddraw(char const *appid, char const *drawing_name)
1184 {
1185     std::string id = appid;
1186     std::string role = drawing_name;
1187     unsigned current_req = g_app_list.currentRequestNumber();
1188     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1189
1190     if (!result)
1191     {
1192         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1193         return;
1194     }
1195
1196     if (g_app_list.endDrawFullfilled(current_req))
1197     {
1198         // do task for endDraw
1199         this->stopTimer();
1200         WMError ret = this->doEndDraw(current_req);
1201
1202         if(ret != WMError::SUCCESS)
1203         {
1204             //this->emit_error();
1205         }
1206         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1207
1208         g_app_list.removeRequest(current_req);
1209
1210         this->processNextRequest();
1211     }
1212     else
1213     {
1214         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1215         return;
1216     }
1217 }
1218
1219 void App::processNextRequest()
1220 {
1221     g_app_list.next();
1222     g_app_list.reqDump();
1223     unsigned req_num = g_app_list.currentRequestNumber();
1224     if (g_app_list.haveRequest())
1225     {
1226         HMI_SEQ_DEBUG(req_num, "Process next request");
1227         WMError rc = doTransition(req_num);
1228         if (rc != WMError::SUCCESS)
1229         {
1230             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1231         }
1232     }
1233     else
1234     {
1235         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1236     }
1237 }
1238
1239 void App::api_ping() { this->dispatch_pending_events(); }
1240
1241 void App::send_event(char const *evname, char const *label)
1242 {
1243     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1244
1245     json_object *j = json_object_new_object();
1246     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1247
1248     int ret = afb_event_push(this->map_afb_event[evname], j);
1249     if (ret != 0)
1250     {
1251         HMI_DEBUG("wm", "afb_event_push failed: %m");
1252     }
1253 }
1254
1255 void App::send_event(char const *evname, char const *label, char const *area,
1256                      int x, int y, int w, int h)
1257 {
1258     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1259               __func__, evname, label, area, x, y, w, h);
1260
1261     json_object *j_rect = json_object_new_object();
1262     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1263     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1264     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1265     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1266
1267     json_object *j = json_object_new_object();
1268     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1269     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1270     json_object_object_add(j, kKeyDrawingRect, j_rect);
1271
1272     int ret = afb_event_push(this->map_afb_event[evname], j);
1273     if (ret != 0)
1274     {
1275         HMI_DEBUG("wm", "afb_event_push failed: %m");
1276     }
1277 }
1278
1279 /**
1280  * proxied events
1281  */
1282 void App::surface_created(uint32_t surface_id)
1283 {
1284     auto layer_id = this->layers.get_layer_id(surface_id);
1285     if (!layer_id)
1286     {
1287         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1288                   surface_id);
1289         return;
1290     }
1291
1292     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1293
1294     this->controller->layers[*layer_id]->add_surface(surface_id);
1295     this->layout_commit();
1296     // activate the main_surface right away
1297     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1298       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1299
1300       this->api_activate_surface(
1301          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1302    }*/
1303
1304     // search pid from surfaceID
1305
1306     // pick up appid from pid from application manager
1307
1308     // check appid then add it to the client
1309 }
1310
1311 void App::surface_removed(uint32_t surface_id)
1312 {
1313     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1314
1315     g_app_list.removeSurface(surface_id);
1316 }
1317
1318 void App::emit_activated(char const *label)
1319 {
1320     this->send_event(kListEventName[Event_Active], label);
1321 }
1322
1323 void App::emit_deactivated(char const *label)
1324 {
1325     this->send_event(kListEventName[Event_Inactive], label);
1326 }
1327
1328 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1329 {
1330     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1331 }
1332
1333 void App::emit_syncdraw(const std::string &role, const std::string &area)
1334 {
1335     compositor::rect rect = this->layers.getAreaSize(area);
1336     //this->lm_get_area_info(area, &x, &y, &w, &h);
1337     this->send_event(kListEventName[Event_SyncDraw],
1338         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1339 }
1340
1341 void App::emit_flushdraw(char const *label)
1342 {
1343     this->send_event(kListEventName[Event_FlushDraw], label);
1344 }
1345
1346 void App::emit_visible(char const *label, bool is_visible)
1347 {
1348     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1349 }
1350
1351 void App::emit_invisible(char const *label)
1352 {
1353     return emit_visible(label, false);
1354 }
1355
1356 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1357
1358 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1359 {
1360     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1361     if (!lid)
1362     {
1363         /**
1364        * register drawing_name as fallback and make it displayed.
1365        */
1366         lid = this->layers.get_layer_id(std::string("Fallback"));
1367         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1368         if (!lid)
1369         {
1370             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1371         }
1372     }
1373
1374     auto rname = this->lookup_id(drawing_name);
1375     if (!rname)
1376     {
1377         // name does not exist yet, allocate surface id...
1378         auto id = int(this->id_alloc.generate_id(drawing_name));
1379         this->layers.add_surface(id, *lid);
1380
1381         // set the main_surface[_name] here and now
1382         if (!this->layers.main_surface_name.empty() &&
1383             this->layers.main_surface_name == drawing_name)
1384         {
1385             this->layers.main_surface = id;
1386             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1387         }
1388
1389         // add client into the db
1390         std::string appid_str(appid);
1391         std::string role(drawing_name);
1392         //g_app_list.addClient(appid_str, role);
1393         g_app_list.addClient(appid_str, *lid, id, role);
1394
1395         return Ok<int>(id);
1396     }
1397
1398     // Check currently registered drawing names if it is already there.
1399     return Err<int>("Surface already present");
1400 }
1401
1402 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1403                                      char const *ivi_id)
1404 {
1405     ST();
1406
1407     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1408     unsigned sid = std::stol(ivi_id);
1409
1410     if (!lid)
1411     {
1412         /**
1413        * register drawing_name as fallback and make it displayed.
1414        */
1415         lid = this->layers.get_layer_id(std::string("Fallback"));
1416         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1417         if (!lid)
1418         {
1419             return "Drawing name does not match any role, Fallback is disabled";
1420         }
1421     }
1422
1423     auto rname = this->lookup_id(drawing_name);
1424
1425     if (rname)
1426     {
1427         return "Surface already present";
1428     }
1429
1430     // register pair drawing_name and ivi_id
1431     this->id_alloc.register_name_id(drawing_name, sid);
1432     this->layers.add_surface(sid, *lid);
1433
1434     // this surface is already created
1435     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1436
1437     this->controller->layers[*lid]->add_surface(sid);
1438     this->layout_commit();
1439
1440     return nullptr;
1441 }
1442
1443 result<json_object *> App::api_get_display_info()
1444 {
1445     // Check controller
1446     if (!this->controller)
1447     {
1448         return Err<json_object *>("ivi_controller global not available");
1449     }
1450
1451     // Set display info
1452     compositor::size o_size = this->controller->output_size;
1453     compositor::size p_size = this->controller->physical_size;
1454
1455     json_object *object = json_object_new_object();
1456     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1457     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1458     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1459     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1460
1461     return Ok<json_object *>(object);
1462 }
1463
1464 result<json_object *> App::api_get_area_info(char const *drawing_name)
1465 {
1466     HMI_DEBUG("wm", "called");
1467
1468     // Check drawing name, surface/layer id
1469     auto const &surface_id = this->lookup_id(drawing_name);
1470     if (!surface_id)
1471     {
1472         return Err<json_object *>("Surface does not exist");
1473     }
1474
1475     if (!this->controller->surface_exists(*surface_id))
1476     {
1477         return Err<json_object *>("Surface does not exist in controller!");
1478     }
1479
1480     auto layer_id = this->layers.get_layer_id(*surface_id);
1481     if (!layer_id)
1482     {
1483         return Err<json_object *>("Surface is not on any layer!");
1484     }
1485
1486     auto o_state = *this->layers.get_layout_state(*surface_id);
1487     if (o_state == nullptr)
1488     {
1489         return Err<json_object *>("Could not find layer for surface");
1490     }
1491
1492     struct LayoutState &state = *o_state;
1493     if ((state.main != *surface_id) && (state.sub != *surface_id))
1494     {
1495         return Err<json_object *>("Surface is inactive");
1496     }
1497
1498     // Set area rectangle
1499     compositor::rect area_info = this->area_info[*surface_id];
1500     json_object *object = json_object_new_object();
1501     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1502     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1503     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1504     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1505
1506     return Ok<json_object *>(object);
1507 }
1508
1509 void App::activate(int id)
1510 {
1511     auto ip = this->controller->sprops.find(id);
1512     if (ip != this->controller->sprops.end())
1513     {
1514         this->controller->surfaces[id]->set_visibility(1);
1515         char const *label =
1516             this->lookup_name(id).value_or("unknown-name").c_str();
1517
1518          // FOR CES DEMO >>>
1519         if ((0 == strcmp(label, "Radio"))       ||
1520             (0 == strcmp(label, "MediaPlayer")) ||
1521             (0 == strcmp(label, "Music"))       ||
1522             (0 == strcmp(label, "Navigation")))
1523         {
1524             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1525             {
1526                 if (id == *i)
1527                 {
1528                     // Remove id
1529                     this->surface_bg.erase(i);
1530
1531                     // Remove from BG layer (999)
1532                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1533                     this->controller->layers[999]->remove_surface(id);
1534
1535                     // Add to FG layer (1001)
1536                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1537                     this->controller->layers[1001]->add_surface(id);
1538
1539                     for (int j : this->surface_bg)
1540                     {
1541                         HMI_DEBUG("wm", "Stored id:%d", j);
1542                     }
1543                     break;
1544                 }
1545             }
1546         }
1547         // <<< FOR CES DEMO
1548         this->layout_commit();
1549
1550         this->emit_visible(label);
1551         this->emit_activated(label);
1552     }
1553 }
1554
1555 void App::deactivate(int id)
1556 {
1557     auto ip = this->controller->sprops.find(id);
1558     if (ip != this->controller->sprops.end())
1559     {
1560         char const *label =
1561             this->lookup_name(id).value_or("unknown-name").c_str();
1562
1563         // FOR CES DEMO >>>
1564         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1565         {
1566
1567             // Store id
1568             this->surface_bg.push_back(id);
1569
1570             // Remove from FG layer (1001)
1571             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1572             this->controller->layers[1001]->remove_surface(id);
1573
1574             // Add to BG layer (999)
1575             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1576             this->controller->layers[999]->add_surface(id);
1577
1578             for (int j : surface_bg)
1579             {
1580                 HMI_DEBUG("wm", "Stored id:%d", j);
1581             }
1582         }
1583         else
1584         {
1585             this->controller->surfaces[id]->set_visibility(0);
1586         }
1587         // <<< FOR CES DEMO
1588
1589         this->emit_deactivated(label);
1590         this->emit_invisible(label);
1591     }
1592 }
1593
1594 void App::deactivate_main_surface()
1595 {
1596     this->layers.main_surface = -1;
1597     std::string appid = "HomeScreen";
1598     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1599 }
1600
1601 bool App::can_split(struct LayoutState const &state, int new_id)
1602 {
1603     if (state.main != -1 && state.main != new_id)
1604     {
1605         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1606         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1607
1608         // surfaces are on separate layers, don't bother.
1609         if (new_id_layer != current_id_layer)
1610         {
1611             return false;
1612         }
1613
1614         std::string const &new_id_str = this->lookup_name(new_id).value();
1615         std::string const &cur_id_str = this->lookup_name(state.main).value();
1616
1617         auto const &layer = this->layers.get_layer(new_id_layer);
1618
1619         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1620
1621         if (layer->layouts.empty())
1622         {
1623             return false;
1624         }
1625
1626         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1627         {
1628             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1629             auto rem = std::regex(i->main_match);
1630             if (std::regex_match(cur_id_str, rem))
1631             {
1632                 // build the second one only if the first already matched
1633                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1634                 auto res = std::regex(i->sub_match);
1635                 if (std::regex_match(new_id_str, res))
1636                 {
1637                     HMI_DEBUG("wm", "layout matched!");
1638                     return true;
1639                 }
1640             }
1641         }
1642     }
1643
1644     return false;
1645 }
1646
1647 void App::try_layout(struct LayoutState & /*state*/,
1648                      struct LayoutState const &new_layout,
1649                      std::function<void(LayoutState const &nl)> apply)
1650 {
1651     if (this->policy.layout_is_valid(new_layout))
1652     {
1653         apply(new_layout);
1654     }
1655 }
1656
1657 /**
1658  * controller_hooks
1659  */
1660 void controller_hooks::surface_created(uint32_t surface_id)
1661 {
1662     this->app->surface_created(surface_id);
1663 }
1664
1665 void controller_hooks::surface_removed(uint32_t surface_id)
1666 {
1667     this->app->surface_removed(surface_id);
1668 }
1669
1670 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1671                                           uint32_t /*v*/) {}
1672
1673 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1674                                                      uint32_t /*x*/,
1675                                                      uint32_t /*y*/,
1676                                                      uint32_t /*w*/,
1677                                                      uint32_t /*h*/) {}
1678
1679 } // namespace wm