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 /**
  97  * App Impl
  98  */
  99 App::App(wl::display *d)
 100    : chooks{this},
 101      display{d},
 102      controller{},
 103      outputs(),
 104      config(),
 105      layers(),
 106      id_alloc{},
 107      pending_events(false),
 108      policy{} {
 109    try {
 110       {
 111          auto l = load_layer_map(
 112             this->config.get_string("layers.json").value().c_str());
 113          if (l.is_ok()) {
 114             this->layers = l.unwrap();
 115          } else {
 116             HMI_ERROR("wm", "%s", l.err().value());
 117          }
 118       }
 119    } catch (std::exception &e) {
 120       HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 121    }
 122
 123    // Initialize current car info
 124    this->crr_car_info_.parking_brake_stt = true;
 125    this->crr_car_info_.accel_pedal_stt = false;
 126    this->crr_car_info_.accel_pedal_pos = 0;
 127    this->crr_car_info_.car_stt = "stop";
 128    this->crr_car_info_.headlamp_stt = false;
 129 }
 130
 131 int App::init() {
 132    if (!this->display->ok()) {
 133       return -1;
 134    }
 135
 136    if (this->layers.mapping.empty()) {
 137       HMI_ERROR("wm", "No surface -> layer mapping loaded");
 138       return -1;
 139    }
 140
 141 #if 1 // @@@@@
 142    // Load app.db
 143    this->loadAppDb();
 144 #endif
 145
 146    // Initialize PolicyManager
 147    this->pm_.initialize();
 148
 149    // Initialize LayoutManager
 150    this->lm_.initialize();
 151
 152    // Make afb event
 153    for (int i=Event_Val_Min; i<=Event_Val_Max; i++) {
 154       map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 155    }
 156
 157    this->display->add_global_handler(
 158       "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 159          this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 160       });
 161
 162    this->display->add_global_handler(
 163       "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 164          this->controller =
 165             std::make_unique<struct compositor::controller>(r, name, v);
 166
 167          // Init controller hooks
 168          this->controller->chooks = &this->chooks;
 169
 170          // This protocol needs the output, so lets just add our mapping here...
 171          this->controller->add_proxy_to_id_mapping(
 172             this->outputs.back()->proxy.get(),
 173             wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 174                this->outputs.back()->proxy.get())));
 175
 176          // Create screen
 177          this->controller->create_screen(this->outputs.back()->proxy.get());
 178
 179          // Set display to controller
 180          this->controller->display = this->display;
 181       });
 182
 183    // First level objects
 184    this->display->roundtrip();
 185    // Second level objects
 186    this->display->roundtrip();
 187    // Third level objects
 188    this->display->roundtrip();
 189
 190    return init_layers();
 191 }
 192
 193 int App::dispatch_pending_events() {
 194    if (this->pop_pending_events()) {
 195       this->display->dispatch_pending();
 196       return 0;
 197    }
 198    return -1;
 199 }
 200
 201 bool App::pop_pending_events() {
 202    bool x{true};
 203    return this->pending_events.compare_exchange_strong(
 204       x, false, std::memory_order_consume);
 205 }
 206
 207 void App::set_pending_events() {
 208    this->pending_events.store(true, std::memory_order_release);
 209 }
 210
 211 optional<int> App::lookup_id(char const *name) {
 212    return this->id_alloc.lookup(std::string(name));
 213 }
 214 optional<std::string> App::lookup_name(int id) {
 215    return this->id_alloc.lookup(id);
 216 }
 217
 218 /**
 219  * init_layers()
 220  */
 221 int App::init_layers() {
 222    if (!this->controller) {
 223       HMI_ERROR("wm", "ivi_controller global not available");
 224       return -1;
 225    }
 226
 227    if (this->outputs.empty()) {
 228       HMI_ERROR("wm", "no output was set up!");
 229       return -1;
 230    }
 231
 232    auto &c = this->controller;
 233
 234    auto &o = this->outputs.front();
 235    auto &s = c->screens.begin()->second;
 236    auto &layers = c->layers;
 237
 238    // Write output dimensions to ivi controller...
 239    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 240    c->physical_size = compositor::size{uint32_t(o->physical_width),
 241                                        uint32_t(o->physical_height)};
 242
 243    // Clear scene
 244    layers.clear();
 245
 246    // Clear screen
 247    s->clear();
 248
 249    // Quick and dirty setup of layers
 250    for (auto const &i : this->layers.mapping) {
 251       c->layer_create(i.second.layer_id, o->width, o->height);
 252       auto &l = layers[i.second.layer_id];
 253       l->set_destination_rectangle(0, 0, o->width, o->height);
 254       l->set_visibility(1);
 255       HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 256                i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 257    }
 258
 259    // Add layers to screen
 260    s->set_render_order(this->layers.layers);
 261
 262    this->layout_commit();
 263
 264    return 0;
 265 }
 266
 267 void App::layout_commit() {
 268    this->controller->commit_changes();
 269    this->display->flush();
 270 }
 271
 272 void App::allocateWindowResource(char const *event, char const *drawing_name,
 273                                  char const *drawing_area, char const *role,
 274                                  const reply_func &reply) {
 275     const char* new_role = nullptr;
 276     const char* new_area = nullptr;
 277
 278     if (0 == strcmp("activate", event)) {
 279         // TODO:
 280         // This process will be removed
 281         // because the applications will specify role instead of drawing_name
 282         {
 283             if ((nullptr == role) || (0 == strcmp("", role))) {
 284                 HMI_DEBUG("wm", "Role is not specified, so get by using app name");
 285                 new_role = this->app2role_[drawing_name].c_str();
 286             }
 287             else {
 288                 new_role = role;
 289             }
 290             HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
 291         }
 292
 293         // TODO:
 294         // This process will be removed
 295         // because the area "normal.full" and "normalfull" will be prohibited
 296         {
 297             if (0 == strcmp("Restriction", drawing_name)) {
 298                 new_area = drawing_area;
 299             }
 300             else {
 301                 if (nullptr == drawing_area) {
 302                     new_area = "normal";
 303                 }
 304                 else if (0 == strcmp("normal.full", drawing_area)) {
 305                     new_area = "normal";
 306                 }
 307                 else if (0 == strcmp("restriction.split.sub", drawing_area)) {
 308                     new_area = "restriction.split.sub";
 309                 }
 310                 else if (0 == strcmp("homescreen", new_role)) {
 311                     // Now homescreen specifies "normalfull"
 312                     new_area = "full";
 313                 }
 314                 else {
 315                     new_area = "normal";
 316                 }
 317             }
 318             HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
 319         }
 320     }
 321     else if (0 == strcmp("deactivate", event)) {
 322         // TODO:
 323         // This process will be removed
 324         // because the applications will specify role instead of drawing_name
 325         {
 326             if ((nullptr == role) || (0 == strcmp("", role))) {
 327                 HMI_DEBUG("wm", "Role is not specified, so get by using app name");
 328                 new_role = this->app2role_[drawing_name].c_str();
 329             }
 330             else {
 331                 new_role = role;
 332             }
 333             HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
 334         }
 335         new_area = "";
 336     }
 337
 338     // TODO:
 339     // Check role
 340
 341     // TODO:
 342     // If event is "activate" and area is not specifid,
 343     // get default value by using role
 344
 345     // Check Policy
 346     json_object* json_in = json_object_new_object();
 347     json_object* json_out = json_object_new_object();
 348     json_object_object_add(json_in, "event", json_object_new_string(event));
 349
 350     if (nullptr != new_role) {
 351         json_object_object_add(json_in, "role", json_object_new_string(new_role));
 352     }
 353     if (nullptr != new_area) {
 354         json_object_object_add(json_in, "area", json_object_new_string(new_area));
 355     }
 356
 357     int ret = this->pm_.checkPolicy(json_in, &json_out);
 358     if (0 > ret) {
 359         reply("Error checkPolicy()");
 360         return;
 361     }
 362     else {
 363         HMI_DEBUG("wm", "result: %s", json_object_get_string(json_out));
 364     }
 365
 366     // Release json_object
 367     json_object_put(json_in);
 368
 369     // Check parking brake state
 370     json_object* json_parking_brake;
 371     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 372         reply("Not found key \"parking_brake\"");
 373         return;
 374     }
 375
 376     json_bool is_changed;
 377     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 378     if (is_changed) {
 379         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 380         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 381
 382         // Update state and emit event
 383         if ("parking_brake_off" == parking_brake_state) {
 384             this->crr_car_info_.parking_brake_stt = false;
 385 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 386             this->emitParkingBrakeOff();
 387 #endif
 388         }
 389         else if ("parking_brake_on" == parking_brake_state) {
 390             this->crr_car_info_.parking_brake_stt = true;
 391 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 392             this->emitParkingBrakeOn();
 393 #endif
 394         }
 395         else {
 396             reply("Unknown parking brake state");
 397             return;
 398         }
 399     }
 400
 401     // Check accelerator pedal state
 402     json_object* json_accel_pedal;
 403     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 404         reply("Not found key \"accel_pedal\"");
 405         return;
 406     }
 407
 408     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 409     if (is_changed) {
 410         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 411         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 412
 413         // Update state
 414         if ("accel_pedal_off" == accel_pedal_state) {
 415             this->crr_car_info_.accel_pedal_stt = false;
 416         }
 417         else if ("accel_pedal_on" == accel_pedal_state) {
 418             this->crr_car_info_.accel_pedal_stt = true;
 419         }
 420         else {
 421             reply("Unknown accel pedal state");
 422             return;
 423         }
 424     }
 425
 426     // Check lightstatus brake state
 427     json_object* json_lightstatus_brake;
 428     if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
 429         reply("Not found key \"lightstatus_brake\"");
 430         return;
 431     }
 432
 433     is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
 434     if (is_changed) {
 435         std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
 436         HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
 437
 438         // Update state and emit event
 439         if ("lightstatus_brake_off" == lightstatus_brake_state) {
 440             this->crr_car_info_.lightstatus_brake_stt = false;
 441             this->emitLightstatusBrakeOff();
 442         }
 443         else if ("lightstatus_brake_on" == lightstatus_brake_state) {
 444             this->crr_car_info_.lightstatus_brake_stt = true;
 445             this->emitLightstatusBrakeOn();
 446         }
 447         else {
 448             reply("Unknown lightstatus brake state");
 449             return;
 450         }
 451     }
 452
 453     // Check car state
 454     json_object* json_car;
 455     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 456         reply("Not found key \"car\"");
 457         return;
 458     }
 459
 460     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 461     if (is_changed) {
 462         std::string car_state = jh::getStringFromJson(json_car, "state");
 463         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 464
 465         // Emit car event
 466         if ("car_stop" == car_state) {
 467             this->crr_car_info_.car_stt = "stop";
 468             this->emitCarStop();
 469         }
 470         else if ("car_run" == car_state) {
 471             this->crr_car_info_.car_stt = "run";
 472             this->emitCarRun();
 473         }
 474         else {
 475             reply("Unknown car state");
 476             return;
 477         }
 478     }
 479
 480     // Check lamp state
 481     json_object* json_lamp;
 482     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 483         reply("Not found key \"lamp\"");
 484         return;
 485     }
 486
 487     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 488     if (is_changed) {
 489         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 490         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 491
 492         // Update state and emit event
 493         if ("lamp_off" == lamp_state) {
 494             this->crr_car_info_.headlamp_stt = false;
 495             this->emitHeadlampOff();
 496         }
 497         else if ("lamp_on" == lamp_state) {
 498             this->crr_car_info_.headlamp_stt = true;
 499             this->emitHeadlampOn();
 500         }
 501         else {
 502             reply("Unknown lamp state");
 503             return;
 504         }
 505     }
 506
 507     // Get category
 508     const char* category = nullptr;
 509     std::string str_category;
 510     if (nullptr != new_role) {
 511         str_category = this->pm_.roleToCategory(new_role);
 512         category = str_category.c_str();
 513         HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
 514     }
 515
 516     // Update layout
 517     if (this->lm_.updateLayout(json_out, new_role, category)) {
 518         HMI_DEBUG("wm", "Layer is changed!!");
 519
 520         // Allocate surface
 521         this->allocateSurface();
 522     }
 523     else {
 524         HMI_DEBUG("wm", "All layer is NOT changed!!");
 525     }
 526
 527     // Release json_object
 528     json_object_put(json_out);
 529
 530     return;
 531 }
 532
 533 void App::enqueue_flushdraw(int surface_id) {
 534    this->check_flushdraw(surface_id);
 535    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 536    this->pending_end_draw.push_back(surface_id);
 537 }
 538
 539 void App::check_flushdraw(int surface_id) {
 540    auto i = std::find(std::begin(this->pending_end_draw),
 541                       std::end(this->pending_end_draw), surface_id);
 542    if (i != std::end(this->pending_end_draw)) {
 543       auto n = this->lookup_name(surface_id);
 544       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 545                n ? n->c_str() : "unknown-name", surface_id);
 546       std::swap(this->pending_end_draw[std::distance(
 547                    std::begin(this->pending_end_draw), i)],
 548                 this->pending_end_draw.back());
 549       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 550    }
 551 }
 552
 553 void App::api_enddraw(char const *drawing_name) {
 554    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 555       auto n = this->lookup_name(this->pending_end_draw[i]);
 556       if (n && *n == drawing_name) {
 557          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 558          this->pending_end_draw.resize(iend - 1);
 559          this->activate(this->pending_end_draw[i]);
 560          this->emit_flushdraw(drawing_name);
 561       }
 562    }
 563 }
 564
 565 void App::api_ping() { this->dispatch_pending_events(); }
 566
 567 void App::send_event(char const *evname){
 568    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 569
 570    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 571    if (ret != 0) {
 572       HMI_DEBUG("wm", "afb_event_push failed: %m");
 573    }
 574 }
 575
 576 void App::send_event(char const *evname, char const *label){
 577    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 578
 579    json_object *j = json_object_new_object();
 580    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 581
 582    int ret = afb_event_push(this->map_afb_event[evname], j);
 583    if (ret != 0) {
 584       HMI_DEBUG("wm", "afb_event_push failed: %m");
 585    }
 586 }
 587
 588 void App::send_event(char const *evname, char const *label, char const *area,
 589                              int x, int y, int w, int h) {
 590    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 591              __func__, evname, label, area, x, y, w, h);
 592
 593    json_object *j_rect = json_object_new_object();
 594    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 595    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 596    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 597    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 598
 599    json_object *j = json_object_new_object();
 600    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 601    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 602    json_object_object_add(j, kKeyDrawingRect, j_rect);
 603
 604    int ret = afb_event_push(this->map_afb_event[evname], j);
 605    if (ret != 0) {
 606       HMI_DEBUG("wm", "afb_event_push failed: %m");
 607    }
 608 }
 609
 610 /**
 611  * proxied events
 612  */
 613 void App::surface_created(uint32_t surface_id) {
 614    auto layer_id = this->layers.get_layer_id(surface_id);
 615    if (!layer_id) {
 616       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 617                surface_id);
 618       return;
 619    }
 620
 621    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 622
 623    this->controller->layers[*layer_id]->add_surface(surface_id);
 624    this->layout_commit();
 625    // activate the main_surface right away
 626    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 627       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 628
 629       this->api_activate_surface(
 630          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 631    }*/
 632 }
 633
 634 void App::surface_removed(uint32_t surface_id) {
 635    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 636
 637    // We cannot normally deactivate the main_surface, so be explicit
 638    // about it:
 639    if (int(surface_id) == this->layers.main_surface) {
 640       this->deactivate_main_surface();
 641    } else {
 642       auto drawing_name = this->lookup_name(surface_id);
 643       if (drawing_name) {
 644          this->allocateWindowResource("deactivate", drawing_name->c_str(),
 645                                       nullptr, nullptr,
 646                                       [](const char*){});
 647       }
 648    }
 649
 650    this->id_alloc.remove_id(surface_id);
 651    this->layers.remove_surface(surface_id);
 652 }
 653
 654 void App::emit_activated(char const *label) {
 655    this->send_event(kListEventName[Event_Active], label);
 656 }
 657
 658 void App::emit_deactivated(char const *label) {
 659    this->send_event(kListEventName[Event_Inactive], label);
 660 }
 661
 662 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 663    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 664 }
 665
 666 void App::emit_flushdraw(char const *label) {
 667    this->send_event(kListEventName[Event_FlushDraw], label);
 668 }
 669
 670 void App::emit_visible(char const *label, bool is_visible) {
 671    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 672 }
 673
 674 void App::emit_invisible(char const *label) {
 675    return emit_visible(label, false);
 676 }
 677
 678 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 679
 680 void App::emitHeadlampOff() {
 681     // Send HeadlampOff event for all application
 682     this->send_event(kListEventName[Event_HeadlampOff]);
 683 }
 684
 685 void App::emitHeadlampOn() {
 686     // Send HeadlampOn event for all application
 687     this->send_event(kListEventName[Event_HeadlampOn]);
 688 }
 689
 690 void App::emitParkingBrakeOff() {
 691     // Send ParkingBrakeOff event for all application
 692     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 693 }
 694
 695 void App::emitParkingBrakeOn() {
 696     // Send ParkingBrakeOn event for all application
 697     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 698 }
 699
 700 void App::emitLightstatusBrakeOff() {
 701     // Send LightstatusBrakeOff event for all application
 702     this->send_event(kListEventName[Event_LightstatusBrakeOff]);
 703 }
 704
 705 void App::emitLightstatusBrakeOn() {
 706     // Send LightstatusBrakeOn event for all application
 707     this->send_event(kListEventName[Event_LightstatusBrakeOn]);
 708 }
 709
 710 void App::emitCarStop() {
 711     // Send CarStop event for all application
 712     this->send_event(kListEventName[Event_CarStop]);
 713 }
 714
 715 void App::emitCarRun() {
 716     // Send CarRun event for all application
 717     this->send_event(kListEventName[Event_CarRun]);
 718 }
 719
 720 result<int> App::api_request_surface(char const *drawing_name) {
 721    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 722    if (!lid) {
 723       /**
 724        * register drawing_name as fallback and make it displayed.
 725        */
 726       lid = this->layers.get_layer_id(std::string("Fallback"));
 727       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 728       if(!lid){
 729           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 730       }
 731    }
 732
 733    auto rname = this->lookup_id(drawing_name);
 734    if (!rname) {
 735       // name does not exist yet, allocate surface id...
 736       auto id = int(this->id_alloc.generate_id(drawing_name));
 737       this->layers.add_surface(id, *lid);
 738
 739       // set the main_surface[_name] here and now
 740       if (!this->layers.main_surface_name.empty() &&
 741           this->layers.main_surface_name == drawing_name) {
 742          this->layers.main_surface = id;
 743          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 744       }
 745
 746 #if 0 // @@@@@
 747       // TODO:
 748       // This process will be implemented in SystemManager
 749       {
 750           // Generate app id
 751           auto id = int(this->app_id_alloc_.generate_id(drawing_name));
 752           this->appname2appid_[drawing_name] = id;
 753       }
 754 #endif
 755
 756       // Set map of (role, surface_id)
 757       std::string role = this->app2role_[std::string(drawing_name)];
 758       this->role2surfaceid_[role] = id;
 759
 760       // Set map of (role, app)
 761       // If the new app which has the same role which is had by existing app is requested,
 762       // the role is given to the new app.
 763       this->role2app_[role] = std::string(drawing_name);
 764
 765       return Ok<int>(id);
 766    }
 767
 768    // Check currently registered drawing names if it is already there.
 769    return Err<int>("Surface already present");
 770 }
 771
 772 char const *App::api_request_surface(char const *drawing_name,
 773                                      char const *ivi_id) {
 774    ST();
 775
 776    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 777    unsigned sid = std::stol(ivi_id);
 778
 779    if (!lid) {
 780       /**
 781        * register drawing_name as fallback and make it displayed.
 782        */
 783       lid = this->layers.get_layer_id(std::string("Fallback"));
 784       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 785       if(!lid){
 786           return "Drawing name does not match any role, Fallback is disabled";
 787       }
 788    }
 789
 790    auto rname = this->lookup_id(drawing_name);
 791
 792    if (rname) {
 793        return "Surface already present";
 794    }
 795
 796    // register pair drawing_name and ivi_id
 797    this->id_alloc.register_name_id(drawing_name, sid);
 798    this->layers.add_surface(sid, *lid);
 799
 800    // this surface is already created
 801    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 802
 803    this->controller->layers[*lid]->add_surface(sid);
 804    this->layout_commit();
 805
 806    return nullptr;
 807 }
 808
 809 result<json_object *> App::api_get_display_info() {
 810    // Check controller
 811    if (!this->controller) {
 812       return Err<json_object *>("ivi_controller global not available");
 813    }
 814
 815    // Set display info
 816    compositor::size o_size = this->controller->output_size;
 817    compositor::size p_size = this->controller->physical_size;
 818
 819    json_object *object = json_object_new_object();
 820    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 821    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 822    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 823    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 824
 825    return Ok<json_object *>(object);
 826 }
 827
 828 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 829    HMI_DEBUG("wm", "called");
 830
 831    // Check drawing name, surface/layer id
 832    auto const &surface_id = this->lookup_id(drawing_name);
 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    // Set area rectangle
 852    compositor::rect area_info = this->area_info[*surface_id];
 853    json_object *object = json_object_new_object();
 854    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 855    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 856    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 857    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 858
 859    return Ok<json_object *>(object);
 860 }
 861
 862 result<json_object *> App::api_get_car_info(char const *label) {
 863     HMI_DEBUG("wm", "called");
 864
 865     json_object *j_in  = nullptr;
 866     json_object *j_out = nullptr;
 867
 868     if (0 == strcmp("parking_brake_status", label)) {
 869         // Get parking brake status
 870         json_bool val = this->crr_car_info_.parking_brake_stt;
 871         j_in = json_object_new_boolean(val);
 872     }
 873     else if (0 == strcmp("accelerator.pedal.position", label)) {
 874         // Get accelerator pedal position
 875         double val = this->crr_car_info_.accel_pedal_pos;
 876         j_in = json_object_new_double(val);
 877     }
 878     else if (0 == strcmp("car_state", label)) {
 879         // Get car state
 880         const char* val = this->crr_car_info_.car_stt;
 881         j_in = json_object_new_string(val);
 882     }
 883     else if (0 == strcmp("lightstatus.brake", label)) {
 884         // Get lightstatus brake status
 885         json_bool val = this->crr_car_info_.lightstatus_brake_stt;
 886         j_in = json_object_new_boolean(val);
 887     }
 888     else {
 889        return Err<json_object *>("Car info does not exist");
 890     }
 891
 892     // Create output object
 893     j_out = json_object_new_object();
 894     json_object_object_add(j_out, "value", j_in);
 895
 896     return Ok<json_object *>(j_out);
 897 }
 898
 899 void App::activate(int id) {
 900    auto ip = this->controller->sprops.find(id);
 901    if (ip != this->controller->sprops.end()) {
 902       this->controller->surfaces[id]->set_visibility(1);
 903       char const *label =
 904          this->lookup_name(id).value_or("unknown-name").c_str();
 905
 906       // FOR CES DEMO >>>
 907       if ((0 == strcmp(label, "Radio"))
 908           || (0 == strcmp(label, "MediaPlayer"))
 909           || (0 == strcmp(label, "Music"))
 910           || (0 == strcmp(label, "Navigation"))) {
 911         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 912             if (id == *i) {
 913                // Remove id
 914                this->surface_bg.erase(i);
 915
 916                // Remove from BG layer (999)
 917                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 918                this->controller->layers[999]->remove_surface(id);
 919
 920                // Add to FG layer (1001)
 921                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 922                this->controller->layers[1001]->add_surface(id);
 923
 924                for (int j : this->surface_bg) {
 925                  HMI_DEBUG("wm", "Stored id:%d", j);
 926                }
 927                break;
 928             }
 929          }
 930       }
 931       // <<< FOR CES DEMO
 932       this->layout_commit();
 933
 934       this->emit_visible(label);
 935       this->emit_activated(label);
 936    }
 937 }
 938
 939 void App::deactivate(int id) {
 940    auto ip = this->controller->sprops.find(id);
 941    if (ip != this->controller->sprops.end()) {
 942       char const *label =
 943          this->lookup_name(id).value_or("unknown-name").c_str();
 944
 945       // FOR CES DEMO >>>
 946       if ((0 == strcmp(label, "Radio"))
 947           || (0 == strcmp(label, "MediaPlayer"))
 948           || (0 == strcmp(label, "Music"))
 949           || (0 == strcmp(label, "Navigation"))) {
 950
 951          // Store id
 952          this->surface_bg.push_back(id);
 953
 954          // Remove from FG layer (1001)
 955          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 956          this->controller->layers[1001]->remove_surface(id);
 957
 958          // Add to BG layer (999)
 959          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 960          this->controller->layers[999]->add_surface(id);
 961
 962          for (int j : surface_bg) {
 963             HMI_DEBUG("wm", "Stored id:%d", j);
 964          }
 965       }
 966       else {
 967          this->controller->surfaces[id]->set_visibility(0);
 968       }
 969       // <<< FOR CES DEMO
 970
 971       this->layout_commit();
 972
 973       this->emit_deactivated(label);
 974       this->emit_invisible(label);
 975    }
 976 }
 977
 978 void App::deactivate(std::string role) {
 979     std::string app = this->role2app_[role];
 980     auto const &id = this->lookup_id(app.c_str());
 981     if (!id) {
 982       HMI_ERROR("wm", "Surface does not exist");
 983       return;
 984     }
 985     HMI_DEBUG("wm", "Deactivate role:%s (app:%s)",
 986               role.c_str(), app.c_str());
 987
 988     this->deactivate(*id);
 989 }
 990
 991 void App::deactivate_main_surface() {
 992    this->layers.main_surface = -1;
 993    this->allocateWindowResource("deactivate", this->layers.main_surface_name.c_str(),
 994                                 nullptr, nullptr,
 995                                 [](const char*){});
 996 }
 997
 998 /**
 999  * controller_hooks
1000  */
1001 void controller_hooks::surface_created(uint32_t surface_id) {
1002    this->app->surface_created(surface_id);
1003 }
1004
1005 void controller_hooks::surface_removed(uint32_t surface_id) {
1006    this->app->surface_removed(surface_id);
1007 }
1008
1009 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1010                                           uint32_t /*v*/) {}
1011
1012 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1013                                                      uint32_t /*x*/,
1014                                                      uint32_t /*y*/,
1015                                                      uint32_t /*w*/,
1016                                                      uint32_t /*h*/) {}
1017
1018 int App::allocateSurface() {
1019     HMI_DEBUG("wm", "Call");
1020
1021     // Get current/previous layers
1022     LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
1023     LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
1024
1025     // Update resource of all layers
1026     for (auto itr_layers = crr_layers.begin();
1027          itr_layers != crr_layers.end(); ++itr_layers) {
1028         // Get layer
1029         std::string layer = itr_layers->first;
1030         HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
1031
1032         // If layout is changed, update resouce
1033         if (this->lm_.isLayoutChanged(layer.c_str())) {
1034             // Get current/previous layout
1035             LayoutManager::TypeLayouts crr_layout = itr_layers->second;
1036             LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
1037
1038             // Get current/previous layout name
1039             std::string crr_layout_name = crr_layout.begin()->first;
1040             std::string prv_layout_name = prv_layout.begin()->first;
1041             HMI_DEBUG("wm", "layout name crr:%s prv:%s",
1042                       crr_layout_name.c_str(), prv_layout_name.c_str());
1043
1044             // Get current/previous ares
1045             LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
1046             LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
1047
1048             // Create previous displayed role list
1049             std::string prv_area_name;
1050             std::vector<std::string> prv_role_list;
1051             for (auto itr_areas = prv_areas.begin();
1052                  itr_areas != prv_areas.end(); ++itr_areas) {
1053                 prv_area_name = itr_areas->first;
1054                 prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
1055                 HMI_DEBUG("wm", "previous displayed role:%s",
1056                           prv_areas[prv_area_name]["role"].c_str());
1057             }
1058
1059             // Allocate surface for each area
1060             std::string crr_area_name;
1061             std::string crr_role_name;
1062             LayoutManager::TypeRolCtg crr_rol_ctg;
1063             for (auto itr_areas = crr_areas.begin();
1064                  itr_areas != crr_areas.end(); ++itr_areas) {
1065                 crr_area_name = itr_areas->first;
1066                 crr_rol_ctg = itr_areas->second;
1067
1068                 // Get role of current area
1069                 if ("category" == crr_rol_ctg.begin()->first) {
1070                     // If current area have category
1071                     // Get category name
1072                     std::string crr_ctg = crr_rol_ctg.begin()->second;
1073
1074                     // Serch relevant role from previous displayed role list
1075                     for (auto itr_role = prv_role_list.begin();
1076                          itr_role != prv_role_list.end(); ++itr_role) {
1077                         std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
1078                         if (crr_ctg == prv_ctg) {
1079                             // First discovered role is set to current role
1080                             crr_role_name = *itr_role;
1081
1082                             // Delete used role for other areas
1083                             // which have same category
1084                             prv_role_list.erase(itr_role);
1085
1086                             break;
1087                         }
1088                     }
1089                 }
1090                 else {
1091                     crr_role_name = itr_areas->second["role"];
1092                 }
1093                 HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
1094                           crr_area_name.c_str(), crr_role_name.c_str());
1095
1096                 // Deactivate non-displayed role
1097                 std::string prv_role_name;
1098                 if (crr_layout_name == prv_layout_name) {
1099                     HMI_DEBUG("wm", "Current layout is same with previous");
1100
1101                     // Deactivate previous role in same area
1102                     // if it is different with current
1103                     prv_role_name = prv_areas[crr_area_name]["role"];
1104                     if (crr_role_name != prv_role_name) {
1105                         this->deactivate(prv_role_name);
1106                     }
1107                 }
1108                 else {
1109                     HMI_DEBUG("wm", "Current layout is different with previous");
1110
1111                     if ("none" != prv_layout_name) {
1112                         // Deactivate previous role in all area in previous layout
1113                         // if it is different with current role
1114                         for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
1115                             prv_role_name = itr->second["role"].c_str();
1116                             if (crr_role_name != prv_role_name) {
1117                                 this->deactivate(prv_role_name);
1118                             }
1119                         }
1120                     }
1121                 }
1122
1123                 // Set surface for displayed role
1124                 if ("none" != crr_layout_name) {
1125                     // If current layout is not "none",
1126                     // set surface for current role
1127                     this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
1128
1129                     // TODO:
1130                     // This API is workaround.
1131                     // Resource manager should manage each resource infomations
1132                     // according to architecture document.
1133                     this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
1134                 }
1135             }
1136         }
1137     }
1138     return 0;
1139 }
1140
1141 void App::setSurfaceSize(const char* role, const char* area) {
1142     HMI_DEBUG("wm", "role:%s area:%s", role, area);
1143
1144     // Get size of current area
1145     compositor::rect size = this->lm_.getAreaSize(area);
1146
1147     // Set destination to the display rectangle
1148     int surface_id = this->role2surfaceid_[role];
1149
1150     if (!this->controller->surface_exists(surface_id)) {
1151         // Block until all pending request are processed by wayland display server
1152         // because waiting for the surface of new app is created
1153         this->display->roundtrip();
1154     }
1155     auto &s = this->controller->surfaces[surface_id];
1156     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1157     this->layout_commit();
1158
1159     // Update area information
1160     this->area_info[surface_id].x = size.x;
1161     this->area_info[surface_id].y = size.y;
1162     this->area_info[surface_id].w = size.w;
1163     this->area_info[surface_id].h = size.h;
1164     HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
1165               size.x, size.y, size.w, size.h);
1166
1167     // Emit syncDraw event
1168     const char* app = this->role2app_[role].c_str();
1169     this->emit_syncdraw(app, area,
1170                         size.x, size.y, size.w, size.h);
1171
1172     // Enqueue flushDraw event
1173     this->enqueue_flushdraw(surface_id);
1174 }
1175
1176 void App::setAccelPedalPos(double val) {
1177     this->crr_car_info_.accel_pedal_pos = val;
1178 }
1179
1180 extern const char* kDefaultAppDb;
1181 int App::loadAppDb() {
1182     HMI_DEBUG("wm", "Call");
1183
1184     // Get afm application installed dir
1185     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
1186     HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
1187
1188     std::string file_name;
1189     if (!afm_app_install_dir) {
1190         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
1191     }
1192     else {
1193         file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
1194     }
1195
1196     // Load app.db
1197     json_object* json_obj;
1198     int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
1199     if (0 > ret) {
1200         HMI_ERROR("wm", "Could not open app.db, so use default role information");
1201         json_obj = json_tokener_parse(kDefaultAppDb);
1202     }
1203     HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
1204
1205     // Perse apps
1206     HMI_DEBUG("wm", "Perse apps");
1207     json_object* json_cfg;
1208     if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
1209         HMI_ERROR("wm", "Parse Error!!");
1210         return -1;
1211     }
1212
1213     int len = json_object_array_length(json_cfg);
1214     HMI_DEBUG("wm", "json_cfg len:%d", len);
1215     HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
1216
1217     for (int i=0; i<len; i++) {
1218         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
1219         HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
1220
1221         const char* app = jh::getStringFromJson(json_tmp, "name");
1222         if (nullptr == app) {
1223             HMI_ERROR("wm", "Parse Error!!");
1224             return -1;
1225         }
1226         HMI_DEBUG("wm", "> app:%s", app);
1227
1228         const char* role = jh::getStringFromJson(json_tmp, "role");
1229         if (nullptr == role) {
1230             HMI_ERROR("wm", "Parse Error!!");
1231             return -1;
1232         }
1233         HMI_DEBUG("wm", "> role:%s", role);
1234
1235         this->app2role_[app] = std::string(role);
1236     }
1237
1238     // Check
1239     for(auto itr = this->app2role_.begin();
1240       itr != this->app2role_.end(); ++itr) {
1241         HMI_DEBUG("wm", "app:%s role:%s",
1242                   itr->first.c_str(), itr->second.c_str());
1243     }
1244
1245     // Release json_object
1246     json_object_put(json_obj);
1247
1248     return 0;
1249 }
1250
1251
1252 const char* kDefaultAppDb = "{ \
1253     \"apps\": [ \
1254         { \
1255             \"name\": \"HomeScreen\", \
1256             \"role\": \"homescreen\" \
1257         }, \
1258         { \
1259             \"name\": \"Music\", \
1260             \"role\": \"music\" \
1261         }, \
1262         { \
1263             \"name\": \"MediaPlayer\", \
1264             \"role\": \"music\" \
1265         }, \
1266         { \
1267             \"name\": \"Video\", \
1268             \"role\": \"video\" \
1269         }, \
1270         { \
1271             \"name\": \"VideoPlayer\", \
1272             \"role\": \"video\" \
1273         }, \
1274         { \
1275             \"name\": \"WebBrowser\", \
1276             \"role\": \"browser\" \
1277         }, \
1278         { \
1279             \"name\": \"Radio\", \
1280             \"role\": \"radio\" \
1281         }, \
1282         { \
1283             \"name\": \"Phone\", \
1284             \"role\": \"phone\" \
1285         }, \
1286         { \
1287             \"name\": \"Navigation\", \
1288             \"role\": \"map\" \
1289         }, \
1290         { \
1291             \"name\": \"HVAC\", \
1292             \"role\": \"hvac\" \
1293         }, \
1294         { \
1295             \"name\": \"Settings\", \
1296             \"role\": \"settings\" \
1297         }, \
1298         { \
1299             \"name\": \"Dashboard\", \
1300             \"role\": \"dashboard\" \
1301         }, \
1302         { \
1303             \"name\": \"POI\", \
1304             \"role\": \"poi\" \
1305         }, \
1306         { \
1307             \"name\": \"Mixer\", \
1308             \"role\": \"mixer\" \
1309         } \
1310     ] \
1311 }";
1312
1313
1314 }  // namespace wm