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