src/window_manager.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 <fstream>
  18 #include <regex>
  19
  20 #include "window_manager.hpp"
  21 #include "../include/json.hpp"
  22 #include "applist.hpp"
  23
  24 extern "C"
  25 {
  26 #include <systemd/sd-event.h>
  27 }
  28
  29 namespace wm
  30 {
  31
  32 static const unsigned kTimeOut = 3000000UL; /* 3s */
  33
  34 /* DrawingArea name used by "{layout}.{area}" */
  35 const char kNameLayoutNormal[] = "normal";
  36 const char kNameLayoutSplit[]  = "split";
  37 const char kNameAreaFull[]     = "full";
  38 const char kNameAreaMain[]     = "main";
  39 const char kNameAreaSub[]      = "sub";
  40
  41 /* Key for json obejct */
  42 const char kKeyDrawingName[] = "drawing_name";
  43 const char kKeyDrawingArea[] = "drawing_area";
  44 const char kKeyDrawingRect[] = "drawing_rect";
  45 const char kKeyX[]           = "x";
  46 const char kKeyY[]           = "y";
  47 const char kKeyWidth[]       = "width";
  48 const char kKeyHeight[]      = "height";
  49 const char kKeyWidthPixel[]  = "width_pixel";
  50 const char kKeyHeightPixel[] = "height_pixel";
  51 const char kKeyWidthMm[]     = "width_mm";
  52 const char kKeyHeightMm[]    = "height_mm";
  53 const char kKeyIds[]         = "ids";
  54
  55 static sd_event_source *g_timer_ev_src = nullptr;
  56 static AppList g_app_list;
  57
  58 namespace
  59 {
  60
  61 using nlohmann::json;
  62
  63 result<json> file_to_json(char const *filename)
  64 {
  65     json j;
  66     std::ifstream i(filename);
  67     if (i.fail())
  68     {
  69         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  70         j = default_layers_json;
  71     }
  72     else
  73     {
  74         i >> j;
  75     }
  76
  77     return Ok(j);
  78 }
  79
  80 struct result<layer_map> load_layer_map(char const *filename)
  81 {
  82     HMI_DEBUG("wm", "loading IDs from %s", filename);
  83
  84     auto j = file_to_json(filename);
  85     if (j.is_err())
  86     {
  87         return Err<layer_map>(j.unwrap_err());
  88     }
  89     json jids = j.unwrap();
  90
  91     return to_layer_map(jids);
  92 }
  93
  94 static int processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
  95 {
  96     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
  97     reinterpret_cast<wm::WindowManager *>(userdata)->timerHandler();
  98     return 0;
  99 }
 100
 101 } // namespace
 102
 103 /**
 104  * WindowManager Impl
 105  */
 106 WindowManager::WindowManager(wl::display *d)
 107     : chooks{this},
 108       display{d},
 109       controller{},
 110       outputs(),
 111       layers(),
 112       id_alloc{},
 113       pending_events(false)
 114 {
 115     char const *path_layers_json = getenv("AFM_APP_INSTALL_DIR");
 116     std::string path;
 117     if (!path_layers_json)
 118     {
 119         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
 120         path = std::string(path_layers_json);
 121     }
 122     else
 123     {
 124         path = std::string(path_layers_json) + std::string("/etc/layers.json");
 125     }
 126
 127     try
 128     {
 129         {
 130             auto l = load_layer_map(path.c_str());
 131             if (l.is_ok())
 132             {
 133                 this->layers = l.unwrap();
 134             }
 135             else
 136             {
 137                 HMI_ERROR("wm", "%s", l.err().value());
 138             }
 139         }
 140     }
 141     catch (std::exception &e)
 142     {
 143         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 144     }
 145 }
 146
 147 int WindowManager::init()
 148 {
 149     if (!this->display->ok())
 150     {
 151         return -1;
 152     }
 153
 154     if (this->layers.mapping.empty())
 155     {
 156         HMI_ERROR("wm", "No surface -> layer mapping loaded");
 157         return -1;
 158     }
 159
 160     // Make afb event
 161     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
 162     {
 163         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 164     }
 165
 166     this->display->add_global_handler(
 167         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 168             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 169         });
 170
 171     this->display->add_global_handler(
 172         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 173             this->controller =
 174                 std::make_unique<struct compositor::controller>(r, name, v);
 175
 176             // Init controller hooks
 177             this->controller->chooks = &this->chooks;
 178
 179             // This protocol needs the output, so lets just add our mapping here...
 180             this->controller->add_proxy_to_id_mapping(
 181                 this->outputs.back()->proxy.get(),
 182                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 183                     this->outputs.back()->proxy.get())));
 184
 185             // Create screen
 186             this->controller->create_screen(this->outputs.back()->proxy.get());
 187
 188             // Set display to controller
 189             this->controller->display = this->display;
 190         });
 191
 192     // First level objects
 193     this->display->roundtrip();
 194     // Second level objects
 195     this->display->roundtrip();
 196     // Third level objects
 197     this->display->roundtrip();
 198
 199     return init_layers();
 200 }
 201
 202 int WindowManager::dispatch_pending_events()
 203 {
 204     if (this->pop_pending_events())
 205     {
 206         this->display->dispatch_pending();
 207         return 0;
 208     }
 209     return -1;
 210 }
 211
 212 void WindowManager::set_pending_events()
 213 {
 214     this->pending_events.store(true, std::memory_order_release);
 215 }
 216
 217 result<int> WindowManager::api_request_surface(char const *appid, char const *drawing_name)
 218 {
 219     auto lid = this->layers.get_layer_id(std::string(drawing_name));
 220     if (!lid)
 221     {
 222         /**
 223        * register drawing_name as fallback and make it displayed.
 224        */
 225         lid = this->layers.get_layer_id(std::string("Fallback"));
 226         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 227         if (!lid)
 228         {
 229             return Err<int>("Drawing name does not match any role, Fallback is disabled");
 230         }
 231     }
 232
 233     auto rname = this->lookup_id(drawing_name);
 234     if (!rname)
 235     {
 236         // name does not exist yet, allocate surface id...
 237         auto id = int(this->id_alloc.generate_id(drawing_name));
 238         this->layers.add_surface(id, *lid);
 239
 240         // set the main_surface[_name] here and now
 241         if (!this->layers.main_surface_name.empty() &&
 242             this->layers.main_surface_name == drawing_name)
 243         {
 244             this->layers.main_surface = id;
 245             HMI_DEBUG("wm", "Set main_surface id to %u", id);
 246         }
 247
 248         // add client into the db
 249         std::string appid_str(appid);
 250         std::string role(drawing_name);
 251         g_app_list.addClient(appid_str, *lid, id, role);
 252
 253         return Ok<int>(id);
 254     }
 255
 256     // Check currently registered drawing names if it is already there.
 257     return Err<int>("Surface already present");
 258 }
 259
 260 char const *WindowManager::api_request_surface(char const *appid, char const *drawing_name,
 261                                      char const *ivi_id)
 262 {
 263     ST();
 264
 265     auto lid = this->layers.get_layer_id(std::string(drawing_name));
 266     unsigned sid = std::stol(ivi_id);
 267
 268     if (!lid)
 269     {
 270         /**
 271        * register drawing_name as fallback and make it displayed.
 272        */
 273         lid = this->layers.get_layer_id(std::string("Fallback"));
 274         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 275         if (!lid)
 276         {
 277             return "Drawing name does not match any role, Fallback is disabled";
 278         }
 279     }
 280
 281     auto rname = this->lookup_id(drawing_name);
 282
 283     if (rname)
 284     {
 285         return "Surface already present";
 286     }
 287
 288     // register pair drawing_name and ivi_id
 289     this->id_alloc.register_name_id(drawing_name, sid);
 290     this->layers.add_surface(sid, *lid);
 291
 292     // this surface is already created
 293     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 294
 295     this->controller->layers[*lid]->add_surface(sid);
 296     this->layout_commit();
 297
 298     // add client into the db
 299     std::string appid_str(appid);
 300     std::string role(drawing_name);
 301     g_app_list.addClient(appid_str, *lid, sid, role);
 302
 303     return nullptr;
 304 }
 305
 306 void WindowManager::api_activate_surface(char const *appid, char const *drawing_name,
 307                                char const *drawing_area, const reply_func &reply)
 308 {
 309     ST();
 310
 311     std::string id = appid;
 312     std::string role = drawing_name;
 313     std::string area = drawing_area;
 314     Task task = Task::TASK_ALLOCATE;
 315     unsigned req_num = 0;
 316     WMError ret = WMError::UNKNOWN;
 317
 318     ret = this->setRequest(id, role, area, task, &req_num);
 319
 320     if(ret != WMError::SUCCESS)
 321     {
 322         HMI_ERROR("wm", errorDescription(ret));
 323         reply("Failed to set request");
 324         return;
 325     }
 326
 327     reply(nullptr);
 328     if (req_num != g_app_list.currentRequestNumber())
 329     {
 330         // Add request, then invoked after the previous task is finished
 331         HMI_SEQ_DEBUG(req_num, "request is accepted");
 332         return;
 333     }
 334
 335     /*
 336      * Do allocate tasks
 337      */
 338     ret = this->doTransition(req_num);
 339
 340     if (ret != WMError::SUCCESS)
 341     {
 342         //this->emit_error()
 343         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 344         g_app_list.removeRequest(req_num);
 345         this->processNextRequest();
 346     }
 347 }
 348
 349 void WindowManager::api_deactivate_surface(char const *appid, char const *drawing_name,
 350                                  const reply_func &reply)
 351 {
 352     ST();
 353
 354     /*
 355     * Check Phase
 356     */
 357     std::string id = appid;
 358     std::string role = drawing_name;
 359     std::string area = ""; //drawing_area;
 360     Task task = Task::TASK_RELEASE;
 361     unsigned req_num = 0;
 362     WMError ret = WMError::UNKNOWN;
 363
 364     ret = this->setRequest(id, role, area, task, &req_num);
 365
 366     if (ret != WMError::SUCCESS)
 367     {
 368         HMI_ERROR("wm", errorDescription(ret));
 369         reply("Failed to set request");
 370         return;
 371     }
 372
 373     reply(nullptr);
 374     if (req_num != g_app_list.currentRequestNumber())
 375     {
 376         // Add request, then invoked after the previous task is finished
 377         HMI_SEQ_DEBUG(req_num, "request is accepted");
 378         return;
 379     }
 380
 381     /*
 382     * Do allocate tasks
 383     */
 384     ret = this->doTransition(req_num);
 385
 386     if (ret != WMError::SUCCESS)
 387     {
 388         //this->emit_error()
 389         HMI_SEQ_ERROR(req_num, errorDescription(ret));
 390         g_app_list.removeRequest(req_num);
 391         this->processNextRequest();
 392     }
 393 }
 394
 395 void WindowManager::api_enddraw(char const *appid, char const *drawing_name)
 396 {
 397     std::string id = appid;
 398     std::string role = drawing_name;
 399     unsigned current_req = g_app_list.currentRequestNumber();
 400     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
 401
 402     if (!result)
 403     {
 404         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
 405         return;
 406     }
 407
 408     if (g_app_list.endDrawFullfilled(current_req))
 409     {
 410         // do task for endDraw
 411         this->stopTimer();
 412         WMError ret = this->doEndDraw(current_req);
 413
 414         if(ret != WMError::SUCCESS)
 415         {
 416             //this->emit_error();
 417         }
 418         this->emitScreenUpdated(current_req);
 419         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
 420
 421         g_app_list.removeRequest(current_req);
 422
 423         this->processNextRequest();
 424     }
 425     else
 426     {
 427         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
 428         return;
 429     }
 430 }
 431
 432 result<json_object *> WindowManager::api_get_display_info()
 433 {
 434     // Check controller
 435     if (!this->controller)
 436     {
 437         return Err<json_object *>("ivi_controller global not available");
 438     }
 439
 440     // Set display info
 441     compositor::size o_size = this->controller->output_size;
 442     compositor::size p_size = this->controller->physical_size;
 443
 444     json_object *object = json_object_new_object();
 445     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
 446     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 447     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
 448     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
 449
 450     return Ok<json_object *>(object);
 451 }
 452
 453 result<json_object *> WindowManager::api_get_area_info(char const *drawing_name)
 454 {
 455     HMI_DEBUG("wm", "called");
 456
 457     // Check drawing name, surface/layer id
 458     auto const &surface_id = this->lookup_id(drawing_name);
 459     if (!surface_id)
 460     {
 461         return Err<json_object *>("Surface does not exist");
 462     }
 463
 464     if (!this->controller->surface_exists(*surface_id))
 465     {
 466         return Err<json_object *>("Surface does not exist in controller!");
 467     }
 468
 469     auto layer_id = this->layers.get_layer_id(*surface_id);
 470     if (!layer_id)
 471     {
 472         return Err<json_object *>("Surface is not on any layer!");
 473     }
 474
 475     auto o_state = *this->layers.get_layout_state(*surface_id);
 476     if (o_state == nullptr)
 477     {
 478         return Err<json_object *>("Could not find layer for surface");
 479     }
 480
 481     struct LayoutState &state = *o_state;
 482     if ((state.main != *surface_id) && (state.sub != *surface_id))
 483     {
 484         return Err<json_object *>("Surface is inactive");
 485     }
 486
 487     // Set area rectangle
 488     compositor::rect area_info = this->area_info[*surface_id];
 489     json_object *object = json_object_new_object();
 490     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
 491     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
 492     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
 493     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 494
 495     return Ok<json_object *>(object);
 496 }
 497
 498 void WindowManager::api_ping() { this->dispatch_pending_events(); }
 499
 500 void WindowManager::send_event(char const *evname, char const *label)
 501 {
 502     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 503
 504     json_object *j = json_object_new_object();
 505     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 506
 507     int ret = afb_event_push(this->map_afb_event[evname], j);
 508     if (ret != 0)
 509     {
 510         HMI_DEBUG("wm", "afb_event_push failed: %m");
 511     }
 512 }
 513
 514 void WindowManager::send_event(char const *evname, char const *label, char const *area,
 515                      int x, int y, int w, int h)
 516 {
 517     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 518               __func__, evname, label, area, x, y, w, h);
 519
 520     json_object *j_rect = json_object_new_object();
 521     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
 522     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
 523     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
 524     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 525
 526     json_object *j = json_object_new_object();
 527     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 528     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 529     json_object_object_add(j, kKeyDrawingRect, j_rect);
 530
 531     int ret = afb_event_push(this->map_afb_event[evname], j);
 532     if (ret != 0)
 533     {
 534         HMI_DEBUG("wm", "afb_event_push failed: %m");
 535     }
 536 }
 537
 538 /**
 539  * proxied events
 540  */
 541 void WindowManager::surface_created(uint32_t surface_id)
 542 {
 543     auto layer_id = this->layers.get_layer_id(surface_id);
 544     if (!layer_id)
 545     {
 546         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 547                   surface_id);
 548         return;
 549     }
 550
 551     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 552
 553     this->controller->layers[*layer_id]->add_surface(surface_id);
 554     this->layout_commit();
 555 }
 556
 557 void WindowManager::surface_removed(uint32_t surface_id)
 558 {
 559     HMI_DEBUG("wm", "surface_id is %u", surface_id);
 560     g_app_list.removeSurface(surface_id);
 561 }
 562
 563 void WindowManager::removeClient(const std::string &appid)
 564 {
 565     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
 566     g_app_list.removeClient(appid);
 567 }
 568
 569 void WindowManager::exceptionProcessForTransition()
 570 {
 571     unsigned req_num = g_app_list.currentRequestNumber();
 572     HMI_SEQ_NOTICE(req_num, "Process exception handling for request. Remove current request %d", req_num);
 573     g_app_list.removeRequest(req_num);
 574     HMI_SEQ_NOTICE(g_app_list.currentRequestNumber(), "Process next request if exists");
 575     this->processNextRequest();
 576 }
 577
 578 void WindowManager::timerHandler()
 579 {
 580     unsigned req_num = g_app_list.currentRequestNumber();
 581     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
 582     g_app_list.reqDump();
 583     g_app_list.removeRequest(req_num);
 584     this->processNextRequest();
 585 }
 586
 587 /*
 588  ******* Private Functions *******
 589  */
 590
 591 bool WindowManager::pop_pending_events()
 592 {
 593     bool x{true};
 594     return this->pending_events.compare_exchange_strong(
 595         x, false, std::memory_order_consume);
 596 }
 597
 598 optional<int> WindowManager::lookup_id(char const *name)
 599 {
 600     return this->id_alloc.lookup(std::string(name));
 601 }
 602 optional<std::string> WindowManager::lookup_name(int id)
 603 {
 604     return this->id_alloc.lookup(id);
 605 }
 606
 607 /**
 608  * init_layers()
 609  */
 610 int WindowManager::init_layers()
 611 {
 612     if (!this->controller)
 613     {
 614         HMI_ERROR("wm", "ivi_controller global not available");
 615         return -1;
 616     }
 617
 618     if (this->outputs.empty())
 619     {
 620         HMI_ERROR("wm", "no output was set up!");
 621         return -1;
 622     }
 623
 624     auto &c = this->controller;
 625
 626     auto &o = this->outputs.front();
 627     auto &s = c->screens.begin()->second;
 628     auto &layers = c->layers;
 629
 630     // Write output dimensions to ivi controller...
 631     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 632     c->physical_size = compositor::size{uint32_t(o->physical_width),
 633                                         uint32_t(o->physical_height)};
 634
 635     // Clear scene
 636     layers.clear();
 637
 638     // Clear screen
 639     s->clear();
 640
 641     // Quick and dirty setup of layers
 642     for (auto const &i : this->layers.mapping)
 643     {
 644         c->layer_create(i.second.layer_id, o->width, o->height);
 645         auto &l = layers[i.second.layer_id];
 646         l->set_destination_rectangle(0, 0, o->width, o->height);
 647         l->set_visibility(1);
 648         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 649                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 650     }
 651
 652     // Add layers to screen
 653     s->set_render_order(this->layers.layers);
 654
 655     this->layout_commit();
 656
 657     this->layers.setupArea(o->width, o->height);
 658
 659     return 0;
 660 }
 661
 662 void WindowManager::surface_set_layout(int surface_id, const std::string& area)
 663 {
 664     if (!this->controller->surface_exists(surface_id))
 665     {
 666         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
 667         return;
 668     }
 669
 670     auto o_layer_id = this->layers.get_layer_id(surface_id);
 671
 672     if (!o_layer_id)
 673     {
 674         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
 675         return;
 676     }
 677
 678     uint32_t layer_id = *o_layer_id;
 679
 680     auto const &layer = this->layers.get_layer(layer_id);
 681     auto rect = this->layers.getAreaSize(area);
 682     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "%s : x:%d y:%d w:%d h:%d", area.c_str(),
 683                     rect.x, rect.y, rect.w, rect.h);
 684     auto &s = this->controller->surfaces[surface_id];
 685
 686     int x = rect.x;
 687     int y = rect.y;
 688     int w = rect.w;
 689     int h = rect.h;
 690
 691     // less-than-0 values refer to MAX + 1 - $VALUE
 692     // e.g. MAX is either screen width or height
 693     if (w < 0)
 694     {
 695         w = this->controller->output_size.w + 1 + w;
 696     }
 697     if (h < 0)
 698     {
 699         h = this->controller->output_size.h + 1 + h;
 700     }
 701
 702     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
 703               layer_id);
 704
 705     // set destination to the display rectangle
 706     s->set_destination_rectangle(x, y, w, h);
 707
 708     // update area information
 709     this->area_info[surface_id].x = x;
 710     this->area_info[surface_id].y = y;
 711     this->area_info[surface_id].w = w;
 712     this->area_info[surface_id].h = h;
 713
 714     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
 715               surface_id, layer_id, x, y, w, h);
 716 }
 717
 718 void WindowManager::layout_commit()
 719 {
 720     this->controller->commit_changes();
 721     this->display->flush();
 722 }
 723
 724 void WindowManager::emit_activated(char const *label)
 725 {
 726     this->send_event(kListEventName[Event_Active], label);
 727 }
 728
 729 void WindowManager::emit_deactivated(char const *label)
 730 {
 731     this->send_event(kListEventName[Event_Inactive], label);
 732 }
 733
 734 void WindowManager::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
 735 {
 736     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 737 }
 738
 739 void WindowManager::emit_syncdraw(const std::string &role, const std::string &area)
 740 {
 741     compositor::rect rect = this->layers.getAreaSize(area);
 742     this->send_event(kListEventName[Event_SyncDraw],
 743         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
 744 }
 745
 746 void WindowManager::emit_flushdraw(char const *label)
 747 {
 748     this->send_event(kListEventName[Event_FlushDraw], label);
 749 }
 750
 751 void WindowManager::emit_visible(char const *label, bool is_visible)
 752 {
 753     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 754 }
 755
 756 void WindowManager::emit_invisible(char const *label)
 757 {
 758     return emit_visible(label, false);
 759 }
 760
 761 void WindowManager::emit_visible(char const *label) { return emit_visible(label, true); }
 762
 763 void WindowManager::activate(int id)
 764 {
 765     auto ip = this->controller->sprops.find(id);
 766     if (ip != this->controller->sprops.end())
 767     {
 768         this->controller->surfaces[id]->set_visibility(1);
 769         char const *label =
 770             this->lookup_name(id).value_or("unknown-name").c_str();
 771
 772          // FOR CES DEMO >>>
 773         if ((0 == strcmp(label, "Radio"))       ||
 774             (0 == strcmp(label, "MediaPlayer")) ||
 775             (0 == strcmp(label, "Music"))       ||
 776             (0 == strcmp(label, "Navigation")))
 777         {
 778             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
 779             {
 780                 if (id == *i)
 781                 {
 782                     // Remove id
 783                     this->surface_bg.erase(i);
 784
 785                     // Remove from BG layer (999)
 786                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 787                     this->controller->layers[999]->remove_surface(id);
 788
 789                     // Add to FG layer (1001)
 790                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 791                     this->controller->layers[1001]->add_surface(id);
 792
 793                     for (int j : this->surface_bg)
 794                     {
 795                         HMI_DEBUG("wm", "Stored id:%d", j);
 796                     }
 797                     break;
 798                 }
 799             }
 800         }
 801         // <<< FOR CES DEMO
 802         this->layout_commit();
 803
 804         this->emit_visible(label);
 805         this->emit_activated(label);
 806     }
 807 }
 808
 809 void WindowManager::deactivate(int id)
 810 {
 811     auto ip = this->controller->sprops.find(id);
 812     if (ip != this->controller->sprops.end())
 813     {
 814         char const *label =
 815             this->lookup_name(id).value_or("unknown-name").c_str();
 816
 817         // FOR CES DEMO >>>
 818         if ((0 == strcmp(label, "Radio"))       ||
 819             (0 == strcmp(label, "MediaPlayer")) ||
 820             (0 == strcmp(label, "Music"))       ||
 821             (0 == strcmp(label, "Navigation")))
 822         {
 823
 824             // Store id
 825             this->surface_bg.push_back(id);
 826
 827             // Remove from FG layer (1001)
 828             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 829             this->controller->layers[1001]->remove_surface(id);
 830
 831             // Add to BG layer (999)
 832             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 833             this->controller->layers[999]->add_surface(id);
 834
 835             for (int j : surface_bg)
 836             {
 837                 HMI_DEBUG("wm", "Stored id:%d", j);
 838             }
 839         }
 840         else
 841         {
 842             this->controller->surfaces[id]->set_visibility(0);
 843         }
 844         // <<< FOR CES DEMO
 845
 846         this->emit_deactivated(label);
 847         this->emit_invisible(label);
 848     }
 849 }
 850
 851 WMError WindowManager::setRequest(const std::string& appid, const std::string &role, const std::string &area,
 852                             Task task, unsigned* req_num)
 853 {
 854     if (!g_app_list.contains(appid))
 855     {
 856         return WMError::NOT_REGISTERED;
 857     }
 858
 859     auto client = g_app_list.lookUpClient(appid);
 860
 861     /*
 862      * Queueing Phase
 863      */
 864     unsigned current = g_app_list.currentRequestNumber();
 865     unsigned requested_num = g_app_list.getRequestNumber(appid);
 866     if (requested_num != 0)
 867     {
 868         HMI_SEQ_INFO(requested_num,
 869             "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
 870         return REQ_REJECTED;
 871     }
 872
 873     WMRequest req = WMRequest(appid, role, area, task);
 874     unsigned new_req = g_app_list.addRequest(req);
 875     *req_num = new_req;
 876     g_app_list.reqDump();
 877
 878     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
 879
 880     return WMError::SUCCESS;
 881 }
 882
 883 WMError WindowManager::doTransition(unsigned req_num)
 884 {
 885     HMI_SEQ_DEBUG(req_num, "check policy");
 886     WMError ret = this->checkPolicy(req_num);
 887     if (ret != WMError::SUCCESS)
 888     {
 889         return ret;
 890     }
 891     HMI_SEQ_DEBUG(req_num, "Start transition.");
 892     ret = this->startTransition(req_num);
 893     return ret;
 894 }
 895
 896 WMError WindowManager::checkPolicy(unsigned req_num)
 897 {
 898     /*
 899     * Check Policy
 900     */
 901     // get current trigger
 902     bool found = false;
 903     bool split = false;
 904     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
 905     auto trigger = g_app_list.getRequest(req_num, &found);
 906     if (!found)
 907     {
 908         ret = WMError::NO_ENTRY;
 909         return ret;
 910     }
 911     std::string req_area = trigger.area;
 912
 913     // >>>> Compatible with current window manager until policy manager coming
 914     if (trigger.task == Task::TASK_ALLOCATE)
 915     {
 916         HMI_SEQ_DEBUG(req_num, "Check split or not");
 917         const char *msg = this->check_surface_exist(trigger.role.c_str());
 918
 919         if (msg)
 920         {
 921             HMI_SEQ_ERROR(req_num, msg);
 922             ret = WMError::LAYOUT_CHANGE_FAIL;
 923             return ret;
 924         }
 925
 926         auto const &surface_id = this->lookup_id(trigger.role.c_str());
 927         auto o_state = *this->layers.get_layout_state(*surface_id);
 928         struct LayoutState &state = *o_state;
 929
 930         unsigned curernt_sid = state.main;
 931         split = this->can_split(state, *surface_id);
 932
 933         if (split)
 934         {
 935             HMI_SEQ_DEBUG(req_num, "Split happens");
 936             // Get current visible role
 937             std::string add_role = this->lookup_name(state.main).value();
 938             // Set next area
 939             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
 940             // Change request area
 941             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
 942             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split happens",
 943                                 trigger.area.c_str(), req_area.c_str());
 944             // set another action
 945             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
 946             if (!found)
 947             {
 948                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %d", curernt_sid);
 949                 ret = WMError::NOT_REGISTERED;
 950                 return ret;
 951             }
 952             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
 953                          add_name.c_str(), add_role.c_str(), add_area.c_str());
 954             // Set split action
 955             bool end_draw_finished = false;
 956             WMAction split_action{
 957                 add_name,
 958                 add_role,
 959                 add_area,
 960                 TaskVisible::VISIBLE,
 961                 end_draw_finished};
 962             WMError ret = g_app_list.setAction(req_num, split_action);
 963             if (ret != WMError::SUCCESS)
 964             {
 965                 HMI_SEQ_ERROR(req_num, "Failed to set action");
 966                 return ret;
 967             }
 968             g_app_list.reqDump();
 969         }
 970     }
 971     else
 972     {
 973         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
 974     }
 975
 976     // Set invisible task(Remove if policy manager finish)
 977     ret = this->setInvisibleTask(trigger.role, split);
 978     if(ret != WMError::SUCCESS)
 979     {
 980         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
 981         return ret;
 982     }
 983
 984     /*  get new status from Policy Manager */
 985     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
 986     if(trigger.role == "HomeScreen")
 987     {
 988         // TODO : Remove when Policy Manager completed
 989         HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
 990         req_area = "fullscreen";
 991     }
 992     TaskVisible task_visible =
 993         (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
 994
 995     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
 996     g_app_list.reqDump();
 997
 998     return ret;
 999 }
1000
1001 WMError WindowManager::startTransition(unsigned req_num)
1002 {
1003     bool sync_draw_happen = false;
1004     bool found = false;
1005     WMError ret = WMError::SUCCESS;
1006     auto actions = g_app_list.getActions(req_num, &found);
1007     if (!found)
1008     {
1009         ret = WMError::NO_ENTRY;
1010         HMI_SEQ_ERROR(req_num,
1011             "Window Manager bug :%s : Action is not set", errorDescription(ret));
1012         return ret;
1013     }
1014
1015     for (const auto &action : actions)
1016     {
1017         if (action.visible != TaskVisible::INVISIBLE)
1018         {
1019             sync_draw_happen = true;
1020             this->emit_syncdraw(action.role, action.area);
1021             /* TODO: emit event for app not subscriber
1022             if(g_app_list.contains(y.appid))
1023                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
1024         }
1025     }
1026
1027     if (sync_draw_happen)
1028     {
1029         this->setTimer();
1030     }
1031     else
1032     {
1033         // deactivate only, no syncDraw
1034         // Make it deactivate here
1035         for (const auto &x : actions)
1036         {
1037             if (g_app_list.contains(x.appid))
1038             {
1039                 auto client = g_app_list.lookUpClient(x.appid);
1040                 this->deactivate(client->surfaceID(x.role));
1041             }
1042         }
1043         ret = NO_LAYOUT_CHANGE;
1044     }
1045     return ret;
1046 }
1047
1048 WMError WindowManager::setInvisibleTask(const std::string &role, bool split)
1049 {
1050     unsigned req_num = g_app_list.currentRequestNumber();
1051     HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
1052     // This task is copied from original actiavete surface
1053     const char *drawing_name = role.c_str();
1054     auto const &surface_id = this->lookup_id(drawing_name);
1055     auto layer_id = this->layers.get_layer_id(*surface_id);
1056     auto o_state = *this->layers.get_layout_state(*surface_id);
1057     struct LayoutState &state = *o_state;
1058     std::string add_name, add_role;
1059     std::string add_area = "";
1060     int surface;
1061     TaskVisible task_visible = TaskVisible::INVISIBLE;
1062     bool end_draw_finished = true;
1063     bool found = false;
1064
1065     for (auto const &l : this->layers.mapping)
1066     {
1067         if (l.second.layer_id <= *layer_id)
1068         {
1069             continue;
1070         }
1071         HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
1072         if (l.second.state.main != -1)
1073         {
1074             //this->deactivate(l.second.state.main);
1075             surface = l.second.state.main;
1076             add_role = *this->id_alloc.lookup(surface);
1077             add_name = g_app_list.getAppID(surface, add_role, &found);
1078             if(!found){
1079                 return WMError::NOT_REGISTERED;
1080             }
1081             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
1082             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
1083             g_app_list.setAction(req_num, act);
1084             l.second.state.main = -1;
1085         }
1086
1087         if (l.second.state.sub != -1)
1088         {
1089             //this->deactivate(l.second.state.sub);
1090             surface = l.second.state.sub;
1091             add_role = *this->id_alloc.lookup(surface);
1092             add_name = g_app_list.getAppID(surface, add_role, &found);
1093             if (!found)
1094             {
1095                 return WMError::NOT_REGISTERED;
1096             }
1097             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
1098             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
1099             g_app_list.setAction(req_num, act);
1100             l.second.state.sub = -1;
1101         }
1102     }
1103
1104     // change current state here, but this is hack
1105     auto layer = this->layers.get_layer(*layer_id);
1106
1107     if (state.main == -1)
1108     {
1109         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
1110     }
1111     else
1112     {
1113         if (0 != strcmp(drawing_name, "HomeScreen"))
1114         {
1115             if (split)
1116             {
1117                 if (state.sub != *surface_id)
1118                 {
1119                     if (state.sub != -1)
1120                     {
1121                         //this->deactivate(state.sub);
1122                         WMAction deact_sub;
1123                         deact_sub.role =
1124                             std::move(*this->id_alloc.lookup(state.sub));
1125                         deact_sub.area = add_area;
1126                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
1127                         if (!found)
1128                         {
1129                             HMI_SEQ_ERROR(req_num, "App doesn't exist for role : %s",
1130                                             deact_sub.role.c_str());
1131                             return WMError::NOT_REGISTERED;
1132                         }
1133                         deact_sub.visible = task_visible;
1134                         deact_sub.end_draw_finished = end_draw_finished;
1135                         HMI_SEQ_DEBUG(req_num, "Set invisible task for %s", deact_sub.appid.c_str());
1136                         g_app_list.setAction(req_num, deact_sub);
1137                     }
1138                 }
1139                 //state = LayoutState{state.main, *surface_id};
1140             }
1141             else
1142             {
1143                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
1144
1145                 //this->surface_set_layout(*surface_id);
1146                 if (state.main != *surface_id)
1147                 {
1148                     // this->deactivate(state.main);
1149                     WMAction deact_main;
1150                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
1151                     ;
1152                     deact_main.area = add_area;
1153                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
1154                     if (!found)
1155                     {
1156                         HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
1157                         return WMError::NOT_REGISTERED;
1158                     }
1159                     deact_main.visible = task_visible;
1160                     deact_main.end_draw_finished = end_draw_finished;
1161                     HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
1162                     g_app_list.setAction(req_num, deact_main);
1163                 }
1164                 if (state.sub != -1)
1165                 {
1166                     if (state.sub != *surface_id)
1167                     {
1168                         //this->deactivate(state.sub);
1169                         WMAction deact_sub;
1170                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
1171                         ;
1172                         deact_sub.area = add_area;
1173                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
1174                         if (!found)
1175                         {
1176                             HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
1177                             return WMError::NOT_REGISTERED;
1178                         }
1179                         deact_sub.visible = task_visible;
1180                         deact_sub.end_draw_finished = end_draw_finished;
1181                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
1182                         g_app_list.setAction(req_num, deact_sub);
1183                     }
1184                 }
1185                 //state = LayoutState{*surface_id};
1186             }
1187         }
1188     }
1189     return WMError::SUCCESS;
1190 }
1191
1192 WMError WindowManager::doEndDraw(unsigned req_num)
1193 {
1194     // get actions
1195     bool found;
1196     auto actions = g_app_list.getActions(req_num, &found);
1197     WMError ret = WMError::SUCCESS;
1198     if (!found)
1199     {
1200         ret = WMError::NO_ENTRY;
1201         return ret;
1202     }
1203
1204     HMI_SEQ_INFO(req_num, "do endDraw");
1205
1206     // layout change and make it visible
1207     for (const auto &act : actions)
1208     {
1209         // layout change
1210         if(!g_app_list.contains(act.appid)){
1211             ret = WMError::NOT_REGISTERED;
1212         }
1213         ret = this->layoutChange(act);
1214         if(ret != WMError::SUCCESS)
1215         {
1216             HMI_SEQ_WARNING(req_num,
1217                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1218             return ret;
1219         }
1220         ret = this->visibilityChange(act);
1221         if (ret != WMError::SUCCESS)
1222         {
1223             HMI_SEQ_WARNING(req_num,
1224                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1225             return ret;
1226         }
1227         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1228         //this->lm_enddraw(act.role.c_str());
1229     }
1230
1231     // Change current state
1232     this->changeCurrentState(req_num);
1233
1234     HMI_SEQ_INFO(req_num, "emit flushDraw");
1235
1236     for(const auto &act_flush : actions)
1237     {
1238         if(act_flush.visible != TaskVisible::INVISIBLE)
1239         {
1240             this->emit_flushdraw(act_flush.role.c_str());
1241         }
1242     }
1243
1244     return ret;
1245 }
1246
1247 WMError WindowManager::layoutChange(const WMAction &action)
1248 {
1249     if (action.visible == TaskVisible::INVISIBLE)
1250     {
1251         // Visibility is not change -> no redraw is required
1252         return WMError::SUCCESS;
1253     }
1254     auto client = g_app_list.lookUpClient(action.appid);
1255     unsigned surface = client->surfaceID(action.role);
1256     if (surface == 0)
1257     {
1258         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1259                       "client doesn't have surface with role(%s)", action.role.c_str());
1260         return WMError::NOT_REGISTERED;
1261     }
1262     // Layout Manager
1263     WMError ret = this->setSurfaceSize(surface, action.area);
1264     return ret;
1265 }
1266
1267 WMError WindowManager::visibilityChange(const WMAction &action)
1268 {
1269     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
1270     if(!g_app_list.contains(action.appid)){
1271         return WMError::NOT_REGISTERED;
1272     }
1273     auto client = g_app_list.lookUpClient(action.appid);
1274     unsigned surface = client->surfaceID(action.role);
1275     if(surface == 0)
1276     {
1277         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1278                       "client doesn't have surface with role(%s)", action.role.c_str());
1279         return WMError::NOT_REGISTERED;
1280     }
1281
1282     if (action.visible != TaskVisible::INVISIBLE)
1283     {
1284         this->activate(surface); // Layout Manager task
1285     }
1286     else
1287     {
1288         this->deactivate(surface); // Layout Manager task
1289     }
1290     return WMError::SUCCESS;
1291 }
1292
1293 WMError WindowManager::setSurfaceSize(unsigned surface, const std::string &area)
1294 {
1295     this->surface_set_layout(surface, area);
1296
1297     return WMError::SUCCESS;
1298 }
1299
1300 WMError WindowManager::changeCurrentState(unsigned req_num)
1301 {
1302     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1303     bool trigger_found = false, action_found = false;
1304     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1305     auto actions = g_app_list.getActions(req_num, &action_found);
1306     if (!trigger_found || !action_found)
1307     {
1308         HMI_SEQ_ERROR(req_num, "Action not found");
1309         return WMError::LAYOUT_CHANGE_FAIL;
1310     }
1311
1312     // Layout state reset
1313     struct LayoutState reset_state{-1, -1};
1314     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1315     for (const auto &action : actions)
1316     {
1317         if(!g_app_list.contains(action.appid)){
1318             return WMError::NOT_REGISTERED;
1319         }
1320         auto client = g_app_list.lookUpClient(action.appid);
1321         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1322         if(pCurState == nullptr)
1323         {
1324             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1325             continue;
1326         }
1327         pCurState->main = reset_state.main;
1328         pCurState->sub = reset_state.sub;
1329     }
1330
1331     HMI_SEQ_DEBUG(req_num, "Change state");
1332     for (const auto &action : actions)
1333     {
1334         auto client = g_app_list.lookUpClient(action.appid);
1335         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1336         if (pLayerCurState == nullptr)
1337         {
1338             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1339             continue;
1340         }
1341         int surface = -1;
1342
1343         if (action.visible != TaskVisible::INVISIBLE)
1344         {
1345             surface = (int)client->surfaceID(action.role);
1346             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
1347                             action.role.c_str(), surface, action.area.c_str());
1348             // visible == true -> layout changes
1349             if(action.area == "normal.full" || action.area == "split.main")
1350             {
1351                 pLayerCurState->main = surface;
1352             }
1353             else if (action.area == "split.sub")
1354             {
1355                 pLayerCurState->sub = surface;
1356             }
1357             else
1358             {
1359                 // normalfull
1360                 pLayerCurState->main = surface;
1361             }
1362         }
1363     }
1364
1365     return WMError::SUCCESS;
1366 }
1367
1368 void WindowManager::emitScreenUpdated(unsigned req_num)
1369 {
1370     // Get visible apps
1371     HMI_SEQ_DEBUG(req_num, "emit screen updated");
1372     bool found = false;
1373     auto actions = g_app_list.getActions(req_num, &found);
1374
1375     // create json object
1376     json_object *j = json_object_new_object();
1377     json_object *jarray = json_object_new_array();
1378
1379     for(const auto& action: actions)
1380     {
1381         if(action.visible != TaskVisible::INVISIBLE)
1382         {
1383             json_object_array_add(jarray, json_object_new_string(action.appid.c_str()));
1384         }
1385     }
1386     json_object_object_add(j, kKeyIds, jarray);
1387     HMI_SEQ_INFO(req_num, "Visible app: %s", json_object_get_string(j));
1388
1389     int ret = afb_event_push(
1390         this->map_afb_event[kListEventName[Event_ScreenUpdated]], j);
1391     if (ret != 0)
1392     {
1393         HMI_DEBUG("wm", "afb_event_push failed: %m");
1394     }
1395     json_object_put(jarray);
1396 }
1397
1398 void WindowManager::setTimer()
1399 {
1400     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
1401     if (g_timer_ev_src == nullptr)
1402     {
1403         // firsttime set into sd_event
1404         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
1405             CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
1406         if (ret < 0)
1407         {
1408             HMI_ERROR("wm", "Could't set timer");
1409         }
1410     }
1411     else
1412     {
1413         // update timer limitation after second time
1414         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
1415         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
1416     }
1417 }
1418
1419 void WindowManager::stopTimer()
1420 {
1421     unsigned req_num = g_app_list.currentRequestNumber();
1422     HMI_SEQ_DEBUG(req_num, "Timer stop");
1423     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
1424     if (rc < 0)
1425     {
1426         HMI_SEQ_ERROR(req_num, "Timer stop failed");
1427     }
1428 }
1429
1430 void WindowManager::processNextRequest()
1431 {
1432     g_app_list.next();
1433     g_app_list.reqDump();
1434     unsigned req_num = g_app_list.currentRequestNumber();
1435     if (g_app_list.haveRequest())
1436     {
1437         HMI_SEQ_DEBUG(req_num, "Process next request");
1438         WMError rc = doTransition(req_num);
1439         if (rc != WMError::SUCCESS)
1440         {
1441             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1442         }
1443     }
1444     else
1445     {
1446         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1447     }
1448 }
1449
1450 const char *WindowManager::check_surface_exist(const char *drawing_name)
1451 {
1452     auto const &surface_id = this->lookup_id(drawing_name);
1453     if (!surface_id)
1454     {
1455         return "Surface does not exist";
1456     }
1457
1458     if (!this->controller->surface_exists(*surface_id))
1459     {
1460         return "Surface does not exist in controller!";
1461     }
1462
1463     auto layer_id = this->layers.get_layer_id(*surface_id);
1464
1465     if (!layer_id)
1466     {
1467         return "Surface is not on any layer!";
1468     }
1469
1470     auto o_state = *this->layers.get_layout_state(*surface_id);
1471
1472     if (o_state == nullptr)
1473     {
1474         return "Could not find layer for surface";
1475     }
1476
1477     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
1478     return nullptr;
1479 }
1480
1481 bool WindowManager::can_split(struct LayoutState const &state, int new_id)
1482 {
1483     if (state.main != -1 && state.main != new_id)
1484     {
1485         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1486         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1487
1488         // surfaces are on separate layers, don't bother.
1489         if (new_id_layer != current_id_layer)
1490         {
1491             return false;
1492         }
1493
1494         std::string const &new_id_str = this->lookup_name(new_id).value();
1495         std::string const &cur_id_str = this->lookup_name(state.main).value();
1496
1497         auto const &layer = this->layers.get_layer(new_id_layer);
1498
1499         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1500
1501         if (layer->layouts.empty())
1502         {
1503             return false;
1504         }
1505
1506         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1507         {
1508             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1509             auto rem = std::regex(i->main_match);
1510             if (std::regex_match(cur_id_str, rem))
1511             {
1512                 // build the second one only if the first already matched
1513                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1514                 auto res = std::regex(i->sub_match);
1515                 if (std::regex_match(new_id_str, res))
1516                 {
1517                     HMI_DEBUG("wm", "layout matched!");
1518                     return true;
1519                 }
1520             }
1521         }
1522     }
1523
1524     return false;
1525 }
1526
1527 /**
1528  * controller_hooks
1529  */
1530 void controller_hooks::surface_created(uint32_t surface_id)
1531 {
1532     this->app->surface_created(surface_id);
1533 }
1534
1535 void controller_hooks::surface_removed(uint32_t surface_id)
1536 {
1537     this->app->surface_removed(surface_id);
1538 }
1539
1540 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1541                                           uint32_t /*v*/) {}
1542
1543 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1544                                                      uint32_t /*x*/,
1545                                                      uint32_t /*y*/,
1546                                                      uint32_t /*w*/,
1547                                                      uint32_t /*h*/) {}
1548
1549 } // namespace wm