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 #include <string>
  38
  39
  40 namespace wm {
  41
  42 /* DrawingArea name used by "{layout}.{area}" */
  43 const char kNameLayoutNormal[] = "normal";
  44 const char kNameLayoutSplit[]  = "split";
  45 const char kNameAreaFull[]     = "full";
  46 const char kNameAreaMain[]     = "main";
  47 const char kNameAreaSub[]      = "sub";
  48
  49 /* Key for json obejct */
  50 const char kKeyDrawingName[] = "drawing_name";
  51 const char kKeyDrawingArea[] = "drawing_area";
  52 const char kKeyDrawingRect[] = "drawing_rect";
  53 const char kKeyX[]           = "x";
  54 const char kKeyY[]           = "y";
  55 const char kKeyWidth[]       = "width";
  56 const char kKeyHeight[]      = "height";
  57 const char kKeyWidthPixel[]  = "width_pixel";
  58 const char kKeyHeightPixel[] = "height_pixel";
  59 const char kKeyWidthMm[]     = "width_mm";
  60 const char kKeyHeightMm[]    = "height_mm";
  61 const char kKeyAppID[]       = "id";
  62
  63
  64 namespace {
  65
  66 using nlohmann::json;
  67
  68 result<json> file_to_json(char const *filename) {
  69    json j;
  70    std::ifstream i(filename);
  71    if (i.fail()) {
  72       HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  73       j = default_layers_json;
  74    }
  75    else {
  76       i >> j;
  77    }
  78
  79    return Ok(j);
  80 }
  81
  82 struct result<layer_map> load_layer_map(char const *filename) {
  83    HMI_DEBUG("wm", "loading IDs from %s", filename);
  84
  85    auto j = file_to_json(filename);
  86    if (j.is_err()) {
  87       return Err<layer_map>(j.unwrap_err());
  88    }
  89    json jids = j.unwrap();
  90
  91    return to_layer_map(jids);
  92 }
  93
  94 }  // namespace
  95
  96
  97 namespace rm {
  98 App *context;
  99 std::string g_new_role; // TODO: workaround
 100 static void eventHandler(json_object* json_out) {
 101     context->updateWindowResource(json_out);
 102 }
 103 }  // namespace rm
 104
 105
 106 void App::updateWindowResource(json_object* json_out) {
 107     HMI_DEBUG("wm", "role:%s", rm::g_new_role.c_str());
 108
 109     // Check parking brake state
 110     json_object* json_parking_brake;
 111     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 112         HMI_DEBUG("wm", "Not found key \"parking_brake\"");
 113         return;
 114     }
 115
 116     json_bool is_changed;
 117     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 118     if (is_changed) {
 119         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 120         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 121
 122         // Update state and emit event
 123         if ("parking_brake_off" == parking_brake_state) {
 124             this->crr_car_info_.parking_brake_stt = false;
 125 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 126             this->emitParkingBrakeOff();
 127 #endif
 128         }
 129         else if ("parking_brake_on" == parking_brake_state) {
 130             this->crr_car_info_.parking_brake_stt = true;
 131 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 132             this->emitParkingBrakeOn();
 133 #endif
 134         }
 135         else {
 136             HMI_DEBUG("wm", "Unknown parking brake state");
 137             return;
 138         }
 139     }
 140
 141     // Check accelerator pedal state
 142     json_object* json_accel_pedal;
 143     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 144         HMI_DEBUG("wm", "Not found key \"accel_pedal\"");
 145         return;
 146     }
 147
 148     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 149     if (is_changed) {
 150         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 151         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 152
 153         // Update state
 154         if ("accel_pedal_off" == accel_pedal_state) {
 155             this->crr_car_info_.accel_pedal_stt = false;
 156         }
 157         else if ("accel_pedal_on" == accel_pedal_state) {
 158             this->crr_car_info_.accel_pedal_stt = true;
 159         }
 160         else {
 161             HMI_DEBUG("wm", "Unknown accel pedal state");
 162             return;
 163         }
 164     }
 165
 166     // Check lightstatus brake state
 167     json_object* json_lightstatus_brake;
 168     if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
 169         HMI_DEBUG("wm", "Not found key \"lightstatus_brake\"");
 170         return;
 171     }
 172
 173     is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
 174     if (is_changed) {
 175         std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
 176         HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
 177
 178         // Update state and emit event
 179         if ("lightstatus_brake_off" == lightstatus_brake_state) {
 180             this->crr_car_info_.lightstatus_brake_stt = false;
 181             this->emitLightstatusBrakeOff();
 182         }
 183         else if ("lightstatus_brake_on" == lightstatus_brake_state) {
 184             this->crr_car_info_.lightstatus_brake_stt = true;
 185             this->emitLightstatusBrakeOn();
 186         }
 187         else {
 188             HMI_DEBUG("wm", "Unknown lightstatus brake state");
 189             return;
 190         }
 191     }
 192
 193     // Check car state
 194     json_object* json_car;
 195     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 196         HMI_DEBUG("wm", "Not found key \"car\"");
 197         return;
 198     }
 199
 200     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 201     if (is_changed) {
 202         std::string car_state = jh::getStringFromJson(json_car, "state");
 203         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 204
 205         // Emit car event
 206         if ("car_stop" == car_state) {
 207             this->crr_car_info_.car_stt = "stop";
 208             this->emitCarStop();
 209         }
 210         else if ("car_run" == car_state) {
 211             this->crr_car_info_.car_stt = "run";
 212             this->emitCarRun();
 213         }
 214         else {
 215             HMI_DEBUG("wm", "Unknown car state");
 216             return;
 217         }
 218     }
 219
 220     // Check lamp state
 221     json_object* json_lamp;
 222     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 223         HMI_DEBUG("wm", "Not found key \"lamp\"");
 224         return;
 225     }
 226
 227     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 228     if (is_changed) {
 229         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 230         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 231
 232         // Update state and emit event
 233         if ("lamp_off" == lamp_state) {
 234             this->crr_car_info_.headlamp_stt = false;
 235             this->emitHeadlampOff();
 236         }
 237         else if ("lamp_on" == lamp_state) {
 238             this->crr_car_info_.headlamp_stt = true;
 239             this->emitHeadlampOn();
 240         }
 241         else {
 242             HMI_DEBUG("wm", "Unknown lamp state");
 243             return;
 244         }
 245     }
 246
 247     // Get category
 248     const char* category = nullptr;
 249     std::string str_category;
 250     str_category = this->pm_.roleToCategory(rm::g_new_role.c_str());
 251     category = str_category.c_str();
 252     HMI_DEBUG("wm", "role:%s category:%s", rm::g_new_role.c_str(), category);
 253
 254     // Update layout
 255     if (this->lm_.updateLayout(json_out, rm::g_new_role.c_str(), category)) {
 256         HMI_DEBUG("wm", "Layer is changed!!");
 257
 258         // Allocate surface
 259         this->allocateSurface();
 260     }
 261     else {
 262         HMI_DEBUG("wm", "All layer is NOT changed!!");
 263     }
 264 }
 265
 266
 267 /**
 268  * App Impl
 269  */
 270 App::App(wl::display *d)
 271    : chooks{this},
 272      display{d},
 273      controller{},
 274      outputs(),
 275      config(),
 276      layers(),
 277      id_alloc{},
 278      pending_events(false),
 279      policy{} {
 280    try {
 281       {
 282          auto l = load_layer_map(
 283             this->config.get_string("layers.json").value().c_str());
 284          if (l.is_ok()) {
 285             this->layers = l.unwrap();
 286          } else {
 287             HMI_ERROR("wm", "%s", l.err().value());
 288          }
 289       }
 290    } catch (std::exception &e) {
 291       HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 292    }
 293
 294    // Initialize current car info
 295    this->crr_car_info_.parking_brake_stt = true;
 296    this->crr_car_info_.accel_pedal_stt = false;
 297    this->crr_car_info_.accel_pedal_pos = 0;
 298    this->crr_car_info_.car_stt = "stop";
 299    this->crr_car_info_.headlamp_stt = false;
 300 }
 301
 302 int App::init() {
 303    if (!this->display->ok()) {
 304       return -1;
 305    }
 306
 307    if (this->layers.mapping.empty()) {
 308       HMI_ERROR("wm", "No surface -> layer mapping loaded");
 309       return -1;
 310    }
 311
 312    // Store my context for calling callback for PolicyManager
 313    rm::context = this;
 314
 315 #if 1 // @@@@@
 316    // Load app.db
 317    this->loadAppDb();
 318 #endif
 319
 320    // Initialize PolicyManager
 321    this->pm_.initialize();
 322
 323    // Register callback to PolicyManager
 324    PolicyManager::CallbackTable callback;
 325    callback.onStateTransitioned = rm::eventHandler;
 326    callback.onError = nullptr;
 327    this->pm_.registerCallback(callback);
 328
 329    // Initialize LayoutManager
 330    this->lm_.initialize();
 331
 332    // Make afb event
 333    for (int i=Event_Val_Min; i<=Event_Val_Max; i++) {
 334       map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 335    }
 336
 337    this->display->add_global_handler(
 338       "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 339          this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 340       });
 341
 342    this->display->add_global_handler(
 343       "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 344          this->controller =
 345             std::make_unique<struct compositor::controller>(r, name, v);
 346
 347          // Init controller hooks
 348          this->controller->chooks = &this->chooks;
 349
 350          // This protocol needs the output, so lets just add our mapping here...
 351          this->controller->add_proxy_to_id_mapping(
 352             this->outputs.back()->proxy.get(),
 353             wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 354                this->outputs.back()->proxy.get())));
 355
 356          // Create screen
 357          this->controller->create_screen(this->outputs.back()->proxy.get());
 358
 359          // Set display to controller
 360          this->controller->display = this->display;
 361       });
 362
 363    // First level objects
 364    this->display->roundtrip();
 365    // Second level objects
 366    this->display->roundtrip();
 367    // Third level objects
 368    this->display->roundtrip();
 369
 370    return init_layers();
 371 }
 372
 373 int App::dispatch_pending_events() {
 374    if (this->pop_pending_events()) {
 375       this->display->dispatch_pending();
 376       return 0;
 377    }
 378    return -1;
 379 }
 380
 381 bool App::pop_pending_events() {
 382    bool x{true};
 383    return this->pending_events.compare_exchange_strong(
 384       x, false, std::memory_order_consume);
 385 }
 386
 387 void App::set_pending_events() {
 388    this->pending_events.store(true, std::memory_order_release);
 389 }
 390
 391 optional<int> App::lookup_id(char const *name) {
 392    return this->id_alloc.lookup(std::string(name));
 393 }
 394 optional<std::string> App::lookup_name(int id) {
 395    return this->id_alloc.lookup(id);
 396 }
 397
 398 /**
 399  * init_layers()
 400  */
 401 int App::init_layers() {
 402    if (!this->controller) {
 403       HMI_ERROR("wm", "ivi_controller global not available");
 404       return -1;
 405    }
 406
 407    if (this->outputs.empty()) {
 408       HMI_ERROR("wm", "no output was set up!");
 409       return -1;
 410    }
 411
 412    auto &c = this->controller;
 413
 414    auto &o = this->outputs.front();
 415    auto &s = c->screens.begin()->second;
 416    auto &layers = c->layers;
 417
 418    // Write output dimensions to ivi controller...
 419    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 420    c->physical_size = compositor::size{uint32_t(o->physical_width),
 421                                        uint32_t(o->physical_height)};
 422
 423    // Clear scene
 424    layers.clear();
 425
 426    // Clear screen
 427    s->clear();
 428
 429    // Quick and dirty setup of layers
 430    for (auto const &i : this->layers.mapping) {
 431       c->layer_create(i.second.layer_id, o->width, o->height);
 432       auto &l = layers[i.second.layer_id];
 433       l->set_destination_rectangle(0, 0, o->width, o->height);
 434       l->set_visibility(1);
 435       HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 436                i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 437    }
 438
 439    // Add layers to screen
 440    s->set_render_order(this->layers.layers);
 441
 442    this->layout_commit();
 443
 444    return 0;
 445 }
 446
 447 void App::layout_commit() {
 448    this->controller->commit_changes();
 449    this->display->flush();
 450 }
 451
 452 const char* App::convertDrawingNameToRole(char const *drawing_name) {
 453     const char* role;
 454
 455     if (this->drawingname2role_.find(drawing_name) != this->drawingname2role_.end()) {
 456         // drawing_name is old role. So convert to new role.
 457         role = this->drawingname2role_[drawing_name].c_str();
 458     }
 459     else {
 460         // drawing_name is new role.
 461         role = drawing_name;
 462     }
 463     HMI_DEBUG("wm", "drawing_name:%s -> role: %s", drawing_name, role);
 464
 465     return role;
 466 }
 467
 468 void App::allocateWindowResource(char const *event, char const *drawing_name,
 469                                  char const *drawing_area, const reply_func &reply) {
 470     const char* new_role = nullptr;
 471     const char* new_area = nullptr;
 472
 473     // Convert old role to new role
 474     if ((nullptr != drawing_name) && (0 != strcmp("", drawing_name))) {
 475         new_role = this->convertDrawingNameToRole(drawing_name);
 476     }
 477
 478     if (0 == strcmp("activate", event)) {
 479         // TODO:
 480         // This process will be removed
 481         // because the area "normal.full" and "normalfull" will be prohibited
 482         {
 483             if (0 == strcmp("restriction", new_role)) {
 484                 new_area = drawing_area;
 485             }
 486             else {
 487                 if (nullptr == drawing_area) {
 488                     new_area = "normal";
 489                 }
 490                 else if (0 == strcmp("normal.full", drawing_area)) {
 491                     new_area = "normal";
 492                 }
 493                 else if (0 == strcmp("restriction.split.sub", drawing_area)) {
 494                     new_area = "restriction.split.sub";
 495                 }
 496                 else if (0 == strcmp("homescreen", new_role)) {
 497                     // Now homescreen specifies "normalfull"
 498                     new_area = "full";
 499                 }
 500                 else {
 501                     new_area = "normal";
 502                 }
 503             }
 504             HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
 505         }
 506     }
 507     else if (0 == strcmp("deactivate", event)) {
 508         new_area = "";
 509     }
 510
 511     // TODO:
 512     // Check role
 513
 514     // TODO:
 515     // If event is "activate" and area is not specifid,
 516     // get default value by using role
 517
 518     // Input event to PolicyManager
 519     json_object* json_in = json_object_new_object();
 520     json_object_object_add(json_in, "event", json_object_new_string(event));
 521     if (nullptr != new_role) {
 522         json_object_object_add(json_in, "role", json_object_new_string(new_role));
 523     }
 524     if (nullptr != new_area) {
 525         json_object_object_add(json_in, "area", json_object_new_string(new_area));
 526     }
 527
 528     // TODO: workaround
 529     if (nullptr != new_role) {
 530         rm::g_new_role = std::string(new_role);
 531     }
 532     else {
 533         rm::g_new_role = std::string("");
 534     }
 535
 536     this->pm_.inputEvent(json_in);
 537
 538     // Release json_object
 539     json_object_put(json_in);
 540
 541     return;
 542 }
 543
 544 void App::enqueue_flushdraw(int surface_id) {
 545    this->check_flushdraw(surface_id);
 546    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 547    this->pending_end_draw.push_back(surface_id);
 548 }
 549
 550 void App::check_flushdraw(int surface_id) {
 551    auto i = std::find(std::begin(this->pending_end_draw),
 552                       std::end(this->pending_end_draw), surface_id);
 553    if (i != std::end(this->pending_end_draw)) {
 554       auto n = this->lookup_name(surface_id);
 555       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 556                n ? n->c_str() : "unknown-name", surface_id);
 557       std::swap(this->pending_end_draw[std::distance(
 558                    std::begin(this->pending_end_draw), i)],
 559                 this->pending_end_draw.back());
 560       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 561    }
 562 }
 563
 564 void App::api_enddraw(char const *appid, char const *drawing_name) {
 565    // Convert drawing_name to role
 566    const char* role = this->convertDrawingNameToRole(drawing_name);
 567
 568    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 569       auto n = this->lookup_name(this->pending_end_draw[i]);
 570       int surface_id = this->pending_end_draw[i];
 571
 572       if (n && *n == role) {
 573          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 574          this->pending_end_draw.resize(iend - 1);
 575          this->activate(surface_id);
 576          this->emit_flushdraw(drawing_name);
 577          this->emitScreenUpdated(appid);
 578       }
 579    }
 580 }
 581
 582 void App::api_ping() { this->dispatch_pending_events(); }
 583
 584 void App::send_event(char const *evname){
 585    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 586
 587    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 588    if (ret != 0) {
 589       HMI_DEBUG("wm", "afb_event_push failed: %m");
 590    }
 591 }
 592
 593 void App::send_event(char const *evname, char const *label){
 594    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 595
 596    json_object *j = json_object_new_object();
 597    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 598
 599    int ret = afb_event_push(this->map_afb_event[evname], j);
 600    if (ret != 0) {
 601       HMI_DEBUG("wm", "afb_event_push failed: %m");
 602    }
 603 }
 604
 605 void App::send_event(char const *evname, char const *label, char const *area,
 606                              int x, int y, int w, int h) {
 607    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 608              __func__, evname, label, area, x, y, w, h);
 609
 610    json_object *j_rect = json_object_new_object();
 611    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 612    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 613    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 614    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 615
 616    json_object *j = json_object_new_object();
 617    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 618    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 619    json_object_object_add(j, kKeyDrawingRect, j_rect);
 620
 621    int ret = afb_event_push(this->map_afb_event[evname], j);
 622    if (ret != 0) {
 623       HMI_DEBUG("wm", "afb_event_push failed: %m");
 624    }
 625 }
 626
 627 /**
 628  * proxied events
 629  */
 630 void App::surface_created(uint32_t surface_id) {
 631    auto layer_id = this->layers.get_layer_id(surface_id);
 632    if (!layer_id) {
 633       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 634                surface_id);
 635       return;
 636    }
 637
 638    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 639
 640    this->controller->layers[*layer_id]->add_surface(surface_id);
 641    this->layout_commit();
 642    // activate the main_surface right away
 643    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 644       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 645
 646       this->api_activate_surface(
 647          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 648    }*/
 649 }
 650
 651 void App::surface_removed(uint32_t surface_id) {
 652    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 653
 654    // We cannot normally deactivate the main_surface, so be explicit
 655    // about it:
 656    if (int(surface_id) == this->layers.main_surface) {
 657       this->deactivate_main_surface();
 658    } else {
 659       auto role = this->lookup_name(surface_id);
 660       if (role) {
 661          this->allocateWindowResource("deactivate",
 662                                       role->c_str(), nullptr,
 663                                       [](const char*){});
 664       }
 665    }
 666
 667    this->id_alloc.remove_id(surface_id);
 668    this->layers.remove_surface(surface_id);
 669 }
 670
 671 void App::emit_activated(char const *label) {
 672    this->send_event(kListEventName[Event_Active], label);
 673 }
 674
 675 void App::emit_deactivated(char const *label) {
 676    this->send_event(kListEventName[Event_Inactive], label);
 677 }
 678
 679 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 680    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 681 }
 682
 683 void App::emit_flushdraw(char const *label) {
 684    this->send_event(kListEventName[Event_FlushDraw], label);
 685 }
 686
 687 void App::emit_visible(char const *label, bool is_visible) {
 688    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 689 }
 690
 691 void App::emit_invisible(char const *label) {
 692    return emit_visible(label, false);
 693 }
 694
 695 void App::__send_event_temporary_extend(char const *evname, char const *appid) {
 696     HMI_DEBUG("wm", "send event %s: %s", evname, appid);
 697
 698     json_object *j = json_object_new_object();
 699     json_object_object_add(j, kKeyAppID, json_object_new_string(appid));
 700
 701     int ret = afb_event_push(this->map_afb_event[evname], j);
 702     if (ret != 0) {
 703         HMI_DEBUG("wm", "afb_event_push failed: %m");
 704     }
 705 }
 706
 707 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 708
 709 void App::emitHeadlampOff() {
 710     // Send HeadlampOff event for all application
 711     this->send_event(kListEventName[Event_HeadlampOff]);
 712 }
 713
 714 void App::emitHeadlampOn() {
 715     // Send HeadlampOn event for all application
 716     this->send_event(kListEventName[Event_HeadlampOn]);
 717 }
 718
 719 void App::emitParkingBrakeOff() {
 720     // Send ParkingBrakeOff event for all application
 721     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 722 }
 723
 724 void App::emitParkingBrakeOn() {
 725     // Send ParkingBrakeOn event for all application
 726     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 727 }
 728
 729 void App::emitLightstatusBrakeOff() {
 730     // Send LightstatusBrakeOff event for all application
 731     this->send_event(kListEventName[Event_LightstatusBrakeOff]);
 732 }
 733
 734 void App::emitLightstatusBrakeOn() {
 735     // Send LightstatusBrakeOn event for all application
 736     this->send_event(kListEventName[Event_LightstatusBrakeOn]);
 737 }
 738
 739 void App::emitCarStop() {
 740     // Send CarStop event for all application
 741     this->send_event(kListEventName[Event_CarStop]);
 742 }
 743
 744 void App::emitCarRun() {
 745     // Send CarRun event for all application
 746     this->send_event(kListEventName[Event_CarRun]);
 747 }
 748
 749 void App::emitScreenUpdated(char const* appid) {
 750     // Send ScreenUpdated event for applications which calls wmsubscribe
 751     this->__send_event_temporary_extend(kListEventName[Event_ScreenUpdated], appid);
 752 }
 753
 754 result<int> App::api_request_surface(char const *drawing_name) {
 755    // Convert drawing_name to role
 756    const char* role = this->convertDrawingNameToRole(drawing_name);
 757
 758    auto lid = this->layers.get_layer_id(std::string(role));
 759    if (!lid) {
 760       /**
 761        * register drawing_name as fallback and make it displayed.
 762        */
 763       lid = this->layers.get_layer_id(std::string("Fallback"));
 764       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 765       if(!lid){
 766           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 767       }
 768    }
 769
 770    auto rname = this->lookup_id(role);
 771    if (!rname) {
 772       // name does not exist yet, allocate surface id...
 773       auto id = int(this->id_alloc.generate_id(role));
 774       this->layers.add_surface(id, *lid);
 775
 776       // set the main_surface[_name] here and now
 777       if (!this->layers.main_surface_name.empty() &&
 778           this->layers.main_surface_name == drawing_name) {
 779          this->layers.main_surface = id;
 780          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 781       }
 782
 783       // Set map of (role, surface_id)
 784       this->role2surfaceid_[role] = id;
 785
 786       // Set map of (role, drawing_name)
 787       this->role2drawingname_[role] = std::string(drawing_name);
 788
 789       return Ok<int>(id);
 790    }
 791
 792    // Check currently registered drawing names if it is already there.
 793    return Err<int>("Surface already present");
 794 }
 795
 796 char const *App::api_request_surface(char const *drawing_name,
 797                                      char const *ivi_id) {
 798    ST();
 799    // Convert drawing_name to role
 800    const char* role = this->convertDrawingNameToRole(drawing_name);
 801
 802    auto lid = this->layers.get_layer_id(std::string(role));
 803    unsigned sid = std::stol(ivi_id);
 804
 805    if (!lid) {
 806       /**
 807        * register drawing_name as fallback and make it displayed.
 808        */
 809       lid = this->layers.get_layer_id(std::string("Fallback"));
 810       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 811       if(!lid){
 812           return "Drawing name does not match any role, Fallback is disabled";
 813       }
 814    }
 815
 816    auto rname = this->lookup_id(role);
 817
 818    if (rname) {
 819        return "Surface already present";
 820    }
 821
 822    // register pair drawing_name and ivi_id
 823    this->id_alloc.register_name_id(role, sid);
 824    this->layers.add_surface(sid, *lid);
 825
 826    // this surface is already created
 827    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 828
 829    this->controller->layers[*lid]->add_surface(sid);
 830    this->layout_commit();
 831
 832    return nullptr;
 833 }
 834
 835 result<json_object *> App::api_get_display_info() {
 836    // Check controller
 837    if (!this->controller) {
 838       return Err<json_object *>("ivi_controller global not available");
 839    }
 840
 841    // Set display info
 842    compositor::size o_size = this->controller->output_size;
 843    compositor::size p_size = this->controller->physical_size;
 844
 845    json_object *object = json_object_new_object();
 846    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 847    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 848    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 849    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 850
 851    return Ok<json_object *>(object);
 852 }
 853
 854 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 855    HMI_DEBUG("wm", "called");
 856
 857    // Convert drawing_name to role
 858    const char* role = this->convertDrawingNameToRole(drawing_name);
 859
 860    // Check drawing name, surface/layer id
 861    auto const &surface_id = this->lookup_id(role);
 862    if (!surface_id) {
 863       return Err<json_object *>("Surface does not exist");
 864    }
 865
 866    if (!this->controller->surface_exists(*surface_id)) {
 867       return Err<json_object *>("Surface does not exist in controller!");
 868    }
 869
 870    auto layer_id = this->layers.get_layer_id(*surface_id);
 871    if (!layer_id) {
 872       return Err<json_object *>("Surface is not on any layer!");
 873    }
 874
 875    auto o_state = *this->layers.get_layout_state(*surface_id);
 876    if (o_state == nullptr) {
 877       return Err<json_object *>("Could not find layer for surface");
 878    }
 879
 880    // Set area rectangle
 881    compositor::rect area_info = this->area_info[*surface_id];
 882    json_object *object = json_object_new_object();
 883    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 884    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 885    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 886    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 887
 888    return Ok<json_object *>(object);
 889 }
 890
 891 result<json_object *> App::api_get_car_info(char const *label) {
 892     HMI_DEBUG("wm", "called");
 893
 894     json_object *j_in  = nullptr;
 895     json_object *j_out = nullptr;
 896
 897     if (0 == strcmp("parking_brake_status", label)) {
 898         // Get parking brake status
 899         json_bool val = this->crr_car_info_.parking_brake_stt;
 900         j_in = json_object_new_boolean(val);
 901     }
 902     else if (0 == strcmp("accelerator.pedal.position", label)) {
 903         // Get accelerator pedal position
 904         double val = this->crr_car_info_.accel_pedal_pos;
 905         j_in = json_object_new_double(val);
 906     }
 907     else if (0 == strcmp("car_state", label)) {
 908         // Get car state
 909         const char* val = this->crr_car_info_.car_stt;
 910         j_in = json_object_new_string(val);
 911     }
 912     else if (0 == strcmp("lightstatus.brake", label)) {
 913         // Get lightstatus brake status
 914         json_bool val = this->crr_car_info_.lightstatus_brake_stt;
 915         j_in = json_object_new_boolean(val);
 916     }
 917     else {
 918        return Err<json_object *>("Car info does not exist");
 919     }
 920
 921     // Create output object
 922     j_out = json_object_new_object();
 923     json_object_object_add(j_out, "value", j_in);
 924
 925     return Ok<json_object *>(j_out);
 926 }
 927
 928 void App::activate(int id) {
 929    auto ip = this->controller->sprops.find(id);
 930    if (ip != this->controller->sprops.end()) {
 931       this->controller->surfaces[id]->set_visibility(1);
 932       char const *label =
 933          this->lookup_name(id).value_or("unknown-name").c_str();
 934
 935       if ((0 == strcmp(label, "radio"))
 936           || (0 == strcmp(label, "music"))
 937           || (0 == strcmp(label, "video"))
 938           || (0 == strcmp(label, "map"))) {
 939         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 940             if (id == *i) {
 941                // Remove id
 942                this->surface_bg.erase(i);
 943
 944                // Remove from BG layer (999)
 945                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 946                this->controller->layers[999]->remove_surface(id);
 947
 948                // Add to FG layer (1001)
 949                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 950                this->controller->layers[1001]->add_surface(id);
 951
 952                for (int j : this->surface_bg) {
 953                  HMI_DEBUG("wm", "Stored id:%d", j);
 954                }
 955                break;
 956             }
 957          }
 958       }
 959
 960       this->layout_commit();
 961
 962       this->emit_visible(label);
 963       this->emit_activated(label);
 964    }
 965 }
 966
 967 void App::deactivate(int id) {
 968    auto ip = this->controller->sprops.find(id);
 969    if (ip != this->controller->sprops.end()) {
 970       char const *label =
 971          this->lookup_name(id).value_or("unknown-name").c_str();
 972
 973       if ((0 == strcmp(label, "radio"))
 974           || (0 == strcmp(label, "music"))
 975           || (0 == strcmp(label, "video"))
 976           || (0 == strcmp(label, "map"))) {
 977
 978          // Store id
 979          this->surface_bg.push_back(id);
 980
 981          // Remove from FG layer (1001)
 982          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 983          this->controller->layers[1001]->remove_surface(id);
 984
 985          // Add to BG layer (999)
 986          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 987          this->controller->layers[999]->add_surface(id);
 988
 989          for (int j : surface_bg) {
 990             HMI_DEBUG("wm", "Stored id:%d", j);
 991          }
 992       }
 993       else {
 994          this->controller->surfaces[id]->set_visibility(0);
 995       }
 996
 997       this->layout_commit();
 998
 999       this->emit_deactivated(label);
1000       this->emit_invisible(label);
1001    }
1002 }
1003
1004 void App::deactivate(std::string role) {
1005     auto const &id = this->lookup_id(role.c_str());
1006     if (!id) {
1007       HMI_ERROR("wm", "Surface does not exist");
1008       return;
1009     }
1010     std::string drawing_name = this->role2drawingname_[role];
1011     HMI_DEBUG("wm", "Deactivate role:%s (drawing_name:%s)",
1012               role.c_str(), drawing_name.c_str());
1013
1014     this->deactivate(*id);
1015 }
1016
1017 void App::deactivate_main_surface() {
1018    this->layers.main_surface = -1;
1019    this->allocateWindowResource("deactivate",
1020                                 this->layers.main_surface_name.c_str(), nullptr,
1021                                 [](const char*){});
1022 }
1023
1024 /**
1025  * controller_hooks
1026  */
1027 void controller_hooks::surface_created(uint32_t surface_id) {
1028    this->app->surface_created(surface_id);
1029 }
1030
1031 void controller_hooks::surface_removed(uint32_t surface_id) {
1032    this->app->surface_removed(surface_id);
1033 }
1034
1035 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1036                                           uint32_t /*v*/) {}
1037
1038 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1039                                                      uint32_t /*x*/,
1040                                                      uint32_t /*y*/,
1041                                                      uint32_t /*w*/,
1042                                                      uint32_t /*h*/) {}
1043
1044 int App::allocateSurface() {
1045     HMI_DEBUG("wm", "Call");
1046
1047     // Get current/previous layers
1048     LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
1049     LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
1050
1051     // Update resource of all layers
1052     for (auto itr_layers = crr_layers.begin();
1053          itr_layers != crr_layers.end(); ++itr_layers) {
1054         // Get layer
1055         std::string layer = itr_layers->first;
1056         HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
1057
1058         // If layout is changed, update resouce
1059         if (this->lm_.isLayoutChanged(layer.c_str())) {
1060             // Get current/previous layout
1061             LayoutManager::TypeLayouts crr_layout = itr_layers->second;
1062             LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
1063
1064             // Get current/previous layout name
1065             std::string crr_layout_name = crr_layout.begin()->first;
1066             std::string prv_layout_name = prv_layout.begin()->first;
1067             HMI_DEBUG("wm", "layout name crr:%s prv:%s",
1068                       crr_layout_name.c_str(), prv_layout_name.c_str());
1069
1070             // Get current/previous ares
1071             LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
1072             LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
1073
1074             // Create previous displayed role list
1075             std::string prv_area_name;
1076             std::vector<std::string> prv_role_list;
1077             for (auto itr_areas = prv_areas.begin();
1078                  itr_areas != prv_areas.end(); ++itr_areas) {
1079                 prv_area_name = itr_areas->first;
1080                 prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
1081                 HMI_DEBUG("wm", "previous displayed role:%s",
1082                           prv_areas[prv_area_name]["role"].c_str());
1083             }
1084
1085             // Allocate surface for each area
1086             std::string crr_area_name;
1087             std::string crr_role_name;
1088             LayoutManager::TypeRolCtg crr_rol_ctg;
1089             for (auto itr_areas = crr_areas.begin();
1090                  itr_areas != crr_areas.end(); ++itr_areas) {
1091                 crr_area_name = itr_areas->first;
1092                 crr_rol_ctg = itr_areas->second;
1093
1094                 // Get role of current area
1095                 if ("category" == crr_rol_ctg.begin()->first) {
1096                     // If current area have category
1097                     // Get category name
1098                     std::string crr_ctg = crr_rol_ctg.begin()->second;
1099
1100                     // Serch relevant role from previous displayed role list
1101                     for (auto itr_role = prv_role_list.begin();
1102                          itr_role != prv_role_list.end(); ++itr_role) {
1103                         std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
1104                         if (crr_ctg == prv_ctg) {
1105                             // First discovered role is set to current role
1106                             crr_role_name = *itr_role;
1107
1108                             // Delete used role for other areas
1109                             // which have same category
1110                             prv_role_list.erase(itr_role);
1111
1112                             break;
1113                         }
1114                     }
1115                 }
1116                 else {
1117                     crr_role_name = itr_areas->second["role"];
1118                 }
1119                 HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
1120                           crr_area_name.c_str(), crr_role_name.c_str());
1121
1122                 // Deactivate non-displayed role
1123                 std::string prv_role_name;
1124                 if (crr_layout_name == prv_layout_name) {
1125                     HMI_DEBUG("wm", "Current layout is same with previous");
1126
1127                     // Deactivate previous role in same area
1128                     // if it is different with current
1129                     prv_role_name = prv_areas[crr_area_name]["role"];
1130                     if (crr_role_name != prv_role_name) {
1131                         this->deactivate(prv_role_name);
1132                     }
1133                 }
1134                 else {
1135                     HMI_DEBUG("wm", "Current layout is different with previous");
1136
1137                     if ("none" != prv_layout_name) {
1138                         // Deactivate previous role in all area in previous layout
1139                         // if it is different with current role
1140                         for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
1141                             prv_role_name = itr->second["role"].c_str();
1142                             if (crr_role_name != prv_role_name) {
1143                                 this->deactivate(prv_role_name);
1144                             }
1145                         }
1146                     }
1147                 }
1148
1149                 // Set surface for displayed role
1150                 if ("none" != crr_layout_name) {
1151                     // If current layout is not "none",
1152                     // set surface for current role
1153                     this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
1154
1155                     // TODO:
1156                     // This API is workaround.
1157                     // Resource manager should manage each resource infomations
1158                     // according to architecture document.
1159                     this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
1160                 }
1161             }
1162         }
1163     }
1164     return 0;
1165 }
1166
1167 void App::setSurfaceSize(const char* role, const char* area) {
1168     HMI_DEBUG("wm", "role:%s area:%s", role, area);
1169
1170     // Get size of current area
1171     compositor::rect size = this->lm_.getAreaSize(area);
1172
1173     // Set destination to the display rectangle
1174     int surface_id = this->role2surfaceid_[role];
1175
1176     if (!this->controller->surface_exists(surface_id)) {
1177         // Block until all pending request are processed by wayland display server
1178         // because waiting for the surface of new app is created
1179         this->display->roundtrip();
1180     }
1181     auto &s = this->controller->surfaces[surface_id];
1182     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1183     this->layout_commit();
1184
1185     // Update area information
1186     this->area_info[surface_id].x = size.x;
1187     this->area_info[surface_id].y = size.y;
1188     this->area_info[surface_id].w = size.w;
1189     this->area_info[surface_id].h = size.h;
1190     HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
1191               size.x, size.y, size.w, size.h);
1192
1193     // Enqueue flushDraw event
1194     this->enqueue_flushdraw(surface_id);
1195
1196     // Emit syncDraw event
1197     const char* drawing_name = this->role2drawingname_[role].c_str();
1198     this->emit_syncdraw(drawing_name, area,
1199                         size.x, size.y, size.w, size.h);
1200 }
1201
1202 void App::setAccelPedalPos(double val) {
1203     this->crr_car_info_.accel_pedal_pos = val;
1204 }
1205
1206 extern const char* kDefaultAppDb;
1207 int App::loadAppDb() {
1208     HMI_DEBUG("wm", "Call");
1209
1210     // Get afm application installed dir
1211     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
1212     HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
1213
1214     std::string file_name;
1215     if (!afm_app_install_dir) {
1216         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
1217     }
1218     else {
1219         file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
1220     }
1221
1222     // Load app.db
1223     json_object* json_obj;
1224     int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
1225     if (0 > ret) {
1226         HMI_ERROR("wm", "Could not open app.db, so use default role information");
1227         json_obj = json_tokener_parse(kDefaultAppDb);
1228     }
1229     HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
1230
1231     // Perse apps
1232     HMI_DEBUG("wm", "Perse apps");
1233     json_object* json_cfg;
1234     if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
1235         HMI_ERROR("wm", "Parse Error!!");
1236         return -1;
1237     }
1238
1239     int len = json_object_array_length(json_cfg);
1240     HMI_DEBUG("wm", "json_cfg len:%d", len);
1241     HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
1242
1243     for (int i=0; i<len; i++) {
1244         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
1245         HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
1246
1247         const char* app = jh::getStringFromJson(json_tmp, "name");
1248         if (nullptr == app) {
1249             HMI_ERROR("wm", "Parse Error!!");
1250             return -1;
1251         }
1252         HMI_DEBUG("wm", "> app:%s", app);
1253
1254         const char* role = jh::getStringFromJson(json_tmp, "role");
1255         if (nullptr == role) {
1256             HMI_ERROR("wm", "Parse Error!!");
1257             return -1;
1258         }
1259         HMI_DEBUG("wm", "> role:%s", role);
1260
1261         this->drawingname2role_[app] = std::string(role);
1262     }
1263
1264     // Check
1265     for(auto itr = this->drawingname2role_.begin();
1266       itr != this->drawingname2role_.end(); ++itr) {
1267         HMI_DEBUG("wm", "app:%s role:%s",
1268                   itr->first.c_str(), itr->second.c_str());
1269     }
1270
1271     // Release json_object
1272     json_object_put(json_obj);
1273
1274     return 0;
1275 }
1276
1277
1278 const char* kDefaultAppDb = "{ \
1279     \"apps\": [ \
1280         { \
1281             \"name\": \"HomeScreen\", \
1282             \"role\": \"homescreen\" \
1283         }, \
1284         { \
1285             \"name\": \"Music\", \
1286             \"role\": \"music\" \
1287         }, \
1288         { \
1289             \"name\": \"MediaPlayer\", \
1290             \"role\": \"music\" \
1291         }, \
1292         { \
1293             \"name\": \"Video\", \
1294             \"role\": \"video\" \
1295         }, \
1296         { \
1297             \"name\": \"VideoPlayer\", \
1298             \"role\": \"video\" \
1299         }, \
1300         { \
1301             \"name\": \"WebBrowser\", \
1302             \"role\": \"browser\" \
1303         }, \
1304         { \
1305             \"name\": \"Radio\", \
1306             \"role\": \"radio\" \
1307         }, \
1308         { \
1309             \"name\": \"Phone\", \
1310             \"role\": \"phone\" \
1311         }, \
1312         { \
1313             \"name\": \"Navigation\", \
1314             \"role\": \"map\" \
1315         }, \
1316         { \
1317             \"name\": \"HVAC\", \
1318             \"role\": \"hvac\" \
1319         }, \
1320         { \
1321             \"name\": \"Settings\", \
1322             \"role\": \"settings\" \
1323         }, \
1324         { \
1325             \"name\": \"Dashboard\", \
1326             \"role\": \"dashboard\" \
1327         }, \
1328         { \
1329             \"name\": \"POI\", \
1330             \"role\": \"poi\" \
1331         }, \
1332         { \
1333             \"name\": \"Mixer\", \
1334             \"role\": \"mixer\" \
1335         } \
1336     ] \
1337 }";
1338
1339
1340 }  // namespace wm