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 const char* App::convertDrawingNameToRole(char const *drawing_name) {
 273     const char* role;
 274
 275     if (this->drawingname2role_.find(drawing_name) != this->drawingname2role_.end()) {
 276         // drawing_name is old role. So convert to new role.
 277         role = this->drawingname2role_[drawing_name].c_str();
 278     }
 279     else {
 280         // drawing_name is new role.
 281         role = drawing_name;
 282     }
 283     HMI_DEBUG("wm", "drawing_name:%s -> role: %s", drawing_name, role);
 284
 285     return role;
 286 }
 287
 288 void App::allocateWindowResource(char const *event, char const *drawing_name,
 289                                  char const *drawing_area, const reply_func &reply) {
 290     const char* new_role = nullptr;
 291     const char* new_area = nullptr;
 292
 293     // Convert old role to new role
 294     if ((nullptr != drawing_name) && (0 != strcmp("", drawing_name))) {
 295         new_role = this->convertDrawingNameToRole(drawing_name);
 296     }
 297
 298     if (0 == strcmp("activate", event)) {
 299         // TODO:
 300         // This process will be removed
 301         // because the area "normal.full" and "normalfull" will be prohibited
 302         {
 303             if (0 == strcmp("restriction", new_role)) {
 304                 new_area = drawing_area;
 305             }
 306             else {
 307                 if (nullptr == drawing_area) {
 308                     new_area = "normal";
 309                 }
 310                 else if (0 == strcmp("normal.full", drawing_area)) {
 311                     new_area = "normal";
 312                 }
 313                 else if (0 == strcmp("restriction.split.sub", drawing_area)) {
 314                     new_area = "restriction.split.sub";
 315                 }
 316                 else if (0 == strcmp("homescreen", new_role)) {
 317                     // Now homescreen specifies "normalfull"
 318                     new_area = "full";
 319                 }
 320                 else {
 321                     new_area = "normal";
 322                 }
 323             }
 324             HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
 325         }
 326     }
 327     else if (0 == strcmp("deactivate", event)) {
 328         new_area = "";
 329     }
 330
 331     // TODO:
 332     // Check role
 333
 334     // TODO:
 335     // If event is "activate" and area is not specifid,
 336     // get default value by using role
 337
 338     // Check Policy
 339     json_object* json_in = json_object_new_object();
 340     json_object* json_out = json_object_new_object();
 341     json_object_object_add(json_in, "event", json_object_new_string(event));
 342
 343     if (nullptr != new_role) {
 344         json_object_object_add(json_in, "role", json_object_new_string(new_role));
 345     }
 346     if (nullptr != new_area) {
 347         json_object_object_add(json_in, "area", json_object_new_string(new_area));
 348     }
 349
 350     int ret = this->pm_.checkPolicy(json_in, &json_out);
 351     if (0 > ret) {
 352         reply("Error checkPolicy()");
 353         return;
 354     }
 355     else {
 356         HMI_DEBUG("wm", "result: %s", json_object_get_string(json_out));
 357     }
 358
 359     // Release json_object
 360     json_object_put(json_in);
 361
 362     // Check parking brake state
 363     json_object* json_parking_brake;
 364     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 365         reply("Not found key \"parking_brake\"");
 366         return;
 367     }
 368
 369     json_bool is_changed;
 370     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 371     if (is_changed) {
 372         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 373         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 374
 375         // Update state and emit event
 376         if ("parking_brake_off" == parking_brake_state) {
 377             this->crr_car_info_.parking_brake_stt = false;
 378 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 379             this->emitParkingBrakeOff();
 380 #endif
 381         }
 382         else if ("parking_brake_on" == parking_brake_state) {
 383             this->crr_car_info_.parking_brake_stt = true;
 384 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 385             this->emitParkingBrakeOn();
 386 #endif
 387         }
 388         else {
 389             reply("Unknown parking brake state");
 390             return;
 391         }
 392     }
 393
 394     // Check accelerator pedal state
 395     json_object* json_accel_pedal;
 396     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 397         reply("Not found key \"accel_pedal\"");
 398         return;
 399     }
 400
 401     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 402     if (is_changed) {
 403         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 404         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 405
 406         // Update state
 407         if ("accel_pedal_off" == accel_pedal_state) {
 408             this->crr_car_info_.accel_pedal_stt = false;
 409         }
 410         else if ("accel_pedal_on" == accel_pedal_state) {
 411             this->crr_car_info_.accel_pedal_stt = true;
 412         }
 413         else {
 414             reply("Unknown accel pedal state");
 415             return;
 416         }
 417     }
 418
 419     // Check lightstatus brake state
 420     json_object* json_lightstatus_brake;
 421     if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
 422         reply("Not found key \"lightstatus_brake\"");
 423         return;
 424     }
 425
 426     is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
 427     if (is_changed) {
 428         std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
 429         HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
 430
 431         // Update state and emit event
 432         if ("lightstatus_brake_off" == lightstatus_brake_state) {
 433             this->crr_car_info_.lightstatus_brake_stt = false;
 434             this->emitLightstatusBrakeOff();
 435         }
 436         else if ("lightstatus_brake_on" == lightstatus_brake_state) {
 437             this->crr_car_info_.lightstatus_brake_stt = true;
 438             this->emitLightstatusBrakeOn();
 439         }
 440         else {
 441             reply("Unknown lightstatus brake state");
 442             return;
 443         }
 444     }
 445
 446     // Check car state
 447     json_object* json_car;
 448     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 449         reply("Not found key \"car\"");
 450         return;
 451     }
 452
 453     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 454     if (is_changed) {
 455         std::string car_state = jh::getStringFromJson(json_car, "state");
 456         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 457
 458         // Emit car event
 459         if ("car_stop" == car_state) {
 460             this->crr_car_info_.car_stt = "stop";
 461             this->emitCarStop();
 462         }
 463         else if ("car_run" == car_state) {
 464             this->crr_car_info_.car_stt = "run";
 465             this->emitCarRun();
 466         }
 467         else {
 468             reply("Unknown car state");
 469             return;
 470         }
 471     }
 472
 473     // Check lamp state
 474     json_object* json_lamp;
 475     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 476         reply("Not found key \"lamp\"");
 477         return;
 478     }
 479
 480     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 481     if (is_changed) {
 482         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 483         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 484
 485         // Update state and emit event
 486         if ("lamp_off" == lamp_state) {
 487             this->crr_car_info_.headlamp_stt = false;
 488             this->emitHeadlampOff();
 489         }
 490         else if ("lamp_on" == lamp_state) {
 491             this->crr_car_info_.headlamp_stt = true;
 492             this->emitHeadlampOn();
 493         }
 494         else {
 495             reply("Unknown lamp state");
 496             return;
 497         }
 498     }
 499
 500     // Get category
 501     const char* category = nullptr;
 502     std::string str_category;
 503     if (nullptr != new_role) {
 504         str_category = this->pm_.roleToCategory(new_role);
 505         category = str_category.c_str();
 506         HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
 507     }
 508
 509     // Update layout
 510     if (this->lm_.updateLayout(json_out, new_role, category)) {
 511         HMI_DEBUG("wm", "Layer is changed!!");
 512
 513         // Allocate surface
 514         this->allocateSurface();
 515     }
 516     else {
 517         HMI_DEBUG("wm", "All layer is NOT changed!!");
 518     }
 519
 520     // Release json_object
 521     json_object_put(json_out);
 522
 523     return;
 524 }
 525
 526 void App::enqueue_flushdraw(int surface_id) {
 527    this->check_flushdraw(surface_id);
 528    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 529    this->pending_end_draw.push_back(surface_id);
 530 }
 531
 532 void App::check_flushdraw(int surface_id) {
 533    auto i = std::find(std::begin(this->pending_end_draw),
 534                       std::end(this->pending_end_draw), surface_id);
 535    if (i != std::end(this->pending_end_draw)) {
 536       auto n = this->lookup_name(surface_id);
 537       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 538                n ? n->c_str() : "unknown-name", surface_id);
 539       std::swap(this->pending_end_draw[std::distance(
 540                    std::begin(this->pending_end_draw), i)],
 541                 this->pending_end_draw.back());
 542       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 543    }
 544 }
 545
 546 void App::api_enddraw(char const *drawing_name) {
 547    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 548       auto n = this->lookup_name(this->pending_end_draw[i]);
 549       if (n && *n == drawing_name) {
 550          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 551          this->pending_end_draw.resize(iend - 1);
 552          this->activate(this->pending_end_draw[i]);
 553          this->emit_flushdraw(drawing_name);
 554       }
 555    }
 556 }
 557
 558 void App::api_ping() { this->dispatch_pending_events(); }
 559
 560 void App::send_event(char const *evname){
 561    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 562
 563    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 564    if (ret != 0) {
 565       HMI_DEBUG("wm", "afb_event_push failed: %m");
 566    }
 567 }
 568
 569 void App::send_event(char const *evname, char const *label){
 570    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 571
 572    json_object *j = json_object_new_object();
 573    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 574
 575    int ret = afb_event_push(this->map_afb_event[evname], j);
 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, char const *area,
 582                              int x, int y, int w, int h) {
 583    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 584              __func__, evname, label, area, x, y, w, h);
 585
 586    json_object *j_rect = json_object_new_object();
 587    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 588    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 589    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 590    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 591
 592    json_object *j = json_object_new_object();
 593    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 594    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 595    json_object_object_add(j, kKeyDrawingRect, j_rect);
 596
 597    int ret = afb_event_push(this->map_afb_event[evname], j);
 598    if (ret != 0) {
 599       HMI_DEBUG("wm", "afb_event_push failed: %m");
 600    }
 601 }
 602
 603 /**
 604  * proxied events
 605  */
 606 void App::surface_created(uint32_t surface_id) {
 607    auto layer_id = this->layers.get_layer_id(surface_id);
 608    if (!layer_id) {
 609       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 610                surface_id);
 611       return;
 612    }
 613
 614    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 615
 616    this->controller->layers[*layer_id]->add_surface(surface_id);
 617    this->layout_commit();
 618    // activate the main_surface right away
 619    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 620       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 621
 622       this->api_activate_surface(
 623          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 624    }*/
 625 }
 626
 627 void App::surface_removed(uint32_t surface_id) {
 628    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 629
 630    // We cannot normally deactivate the main_surface, so be explicit
 631    // about it:
 632    if (int(surface_id) == this->layers.main_surface) {
 633       this->deactivate_main_surface();
 634    } else {
 635       auto drawing_name = this->lookup_name(surface_id);
 636       if (drawing_name) {
 637          this->allocateWindowResource("deactivate",
 638                                       drawing_name->c_str(), nullptr,
 639                                       [](const char*){});
 640       }
 641    }
 642
 643    this->id_alloc.remove_id(surface_id);
 644    this->layers.remove_surface(surface_id);
 645 }
 646
 647 void App::emit_activated(char const *label) {
 648    this->send_event(kListEventName[Event_Active], label);
 649 }
 650
 651 void App::emit_deactivated(char const *label) {
 652    this->send_event(kListEventName[Event_Inactive], label);
 653 }
 654
 655 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 656    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 657 }
 658
 659 void App::emit_flushdraw(char const *label) {
 660    this->send_event(kListEventName[Event_FlushDraw], label);
 661 }
 662
 663 void App::emit_visible(char const *label, bool is_visible) {
 664    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 665 }
 666
 667 void App::emit_invisible(char const *label) {
 668    return emit_visible(label, false);
 669 }
 670
 671 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 672
 673 void App::emitHeadlampOff() {
 674     // Send HeadlampOff event for all application
 675     this->send_event(kListEventName[Event_HeadlampOff]);
 676 }
 677
 678 void App::emitHeadlampOn() {
 679     // Send HeadlampOn event for all application
 680     this->send_event(kListEventName[Event_HeadlampOn]);
 681 }
 682
 683 void App::emitParkingBrakeOff() {
 684     // Send ParkingBrakeOff event for all application
 685     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 686 }
 687
 688 void App::emitParkingBrakeOn() {
 689     // Send ParkingBrakeOn event for all application
 690     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 691 }
 692
 693 void App::emitLightstatusBrakeOff() {
 694     // Send LightstatusBrakeOff event for all application
 695     this->send_event(kListEventName[Event_LightstatusBrakeOff]);
 696 }
 697
 698 void App::emitLightstatusBrakeOn() {
 699     // Send LightstatusBrakeOn event for all application
 700     this->send_event(kListEventName[Event_LightstatusBrakeOn]);
 701 }
 702
 703 void App::emitCarStop() {
 704     // Send CarStop event for all application
 705     this->send_event(kListEventName[Event_CarStop]);
 706 }
 707
 708 void App::emitCarRun() {
 709     // Send CarRun event for all application
 710     this->send_event(kListEventName[Event_CarRun]);
 711 }
 712
 713 result<int> App::api_request_surface(char const *drawing_name) {
 714    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 715    if (!lid) {
 716       /**
 717        * register drawing_name as fallback and make it displayed.
 718        */
 719       lid = this->layers.get_layer_id(std::string("Fallback"));
 720       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 721       if(!lid){
 722           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 723       }
 724    }
 725
 726    auto rname = this->lookup_id(drawing_name);
 727    if (!rname) {
 728       // name does not exist yet, allocate surface id...
 729       auto id = int(this->id_alloc.generate_id(drawing_name));
 730       this->layers.add_surface(id, *lid);
 731
 732       // set the main_surface[_name] here and now
 733       if (!this->layers.main_surface_name.empty() &&
 734           this->layers.main_surface_name == drawing_name) {
 735          this->layers.main_surface = id;
 736          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 737       }
 738
 739 #if 0 // @@@@@
 740       // TODO:
 741       // This process will be implemented in SystemManager
 742       {
 743           // Generate app id
 744           auto id = int(this->app_id_alloc_.generate_id(drawing_name));
 745           this->appname2appid_[drawing_name] = id;
 746       }
 747 #endif
 748
 749       // Set map of (role, surface_id)
 750       const char* role = this->convertDrawingNameToRole(drawing_name);
 751       this->role2surfaceid_[role] = id;
 752
 753       // Set map of (role, app)
 754       // If the new app which has the same role which is had by existing app is requested,
 755       // the role is given to the new app.
 756       this->role2app_[role] = std::string(drawing_name);
 757
 758       return Ok<int>(id);
 759    }
 760
 761    // Check currently registered drawing names if it is already there.
 762    return Err<int>("Surface already present");
 763 }
 764
 765 char const *App::api_request_surface(char const *drawing_name,
 766                                      char const *ivi_id) {
 767    ST();
 768
 769    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 770    unsigned sid = std::stol(ivi_id);
 771
 772    if (!lid) {
 773       /**
 774        * register drawing_name as fallback and make it displayed.
 775        */
 776       lid = this->layers.get_layer_id(std::string("Fallback"));
 777       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 778       if(!lid){
 779           return "Drawing name does not match any role, Fallback is disabled";
 780       }
 781    }
 782
 783    auto rname = this->lookup_id(drawing_name);
 784
 785    if (rname) {
 786        return "Surface already present";
 787    }
 788
 789    // register pair drawing_name and ivi_id
 790    this->id_alloc.register_name_id(drawing_name, sid);
 791    this->layers.add_surface(sid, *lid);
 792
 793    // this surface is already created
 794    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 795
 796    this->controller->layers[*lid]->add_surface(sid);
 797    this->layout_commit();
 798
 799    return nullptr;
 800 }
 801
 802 result<json_object *> App::api_get_display_info() {
 803    // Check controller
 804    if (!this->controller) {
 805       return Err<json_object *>("ivi_controller global not available");
 806    }
 807
 808    // Set display info
 809    compositor::size o_size = this->controller->output_size;
 810    compositor::size p_size = this->controller->physical_size;
 811
 812    json_object *object = json_object_new_object();
 813    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 814    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 815    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 816    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 817
 818    return Ok<json_object *>(object);
 819 }
 820
 821 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 822    HMI_DEBUG("wm", "called");
 823
 824    // Check drawing name, surface/layer id
 825    auto const &surface_id = this->lookup_id(drawing_name);
 826    if (!surface_id) {
 827       return Err<json_object *>("Surface does not exist");
 828    }
 829
 830    if (!this->controller->surface_exists(*surface_id)) {
 831       return Err<json_object *>("Surface does not exist in controller!");
 832    }
 833
 834    auto layer_id = this->layers.get_layer_id(*surface_id);
 835    if (!layer_id) {
 836       return Err<json_object *>("Surface is not on any layer!");
 837    }
 838
 839    auto o_state = *this->layers.get_layout_state(*surface_id);
 840    if (o_state == nullptr) {
 841       return Err<json_object *>("Could not find layer for surface");
 842    }
 843
 844    // Set area rectangle
 845    compositor::rect area_info = this->area_info[*surface_id];
 846    json_object *object = json_object_new_object();
 847    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 848    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 849    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 850    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 851
 852    return Ok<json_object *>(object);
 853 }
 854
 855 result<json_object *> App::api_get_car_info(char const *label) {
 856     HMI_DEBUG("wm", "called");
 857
 858     json_object *j_in  = nullptr;
 859     json_object *j_out = nullptr;
 860
 861     if (0 == strcmp("parking_brake_status", label)) {
 862         // Get parking brake status
 863         json_bool val = this->crr_car_info_.parking_brake_stt;
 864         j_in = json_object_new_boolean(val);
 865     }
 866     else if (0 == strcmp("accelerator.pedal.position", label)) {
 867         // Get accelerator pedal position
 868         double val = this->crr_car_info_.accel_pedal_pos;
 869         j_in = json_object_new_double(val);
 870     }
 871     else if (0 == strcmp("car_state", label)) {
 872         // Get car state
 873         const char* val = this->crr_car_info_.car_stt;
 874         j_in = json_object_new_string(val);
 875     }
 876     else if (0 == strcmp("lightstatus.brake", label)) {
 877         // Get lightstatus brake status
 878         json_bool val = this->crr_car_info_.lightstatus_brake_stt;
 879         j_in = json_object_new_boolean(val);
 880     }
 881     else {
 882        return Err<json_object *>("Car info does not exist");
 883     }
 884
 885     // Create output object
 886     j_out = json_object_new_object();
 887     json_object_object_add(j_out, "value", j_in);
 888
 889     return Ok<json_object *>(j_out);
 890 }
 891
 892 void App::activate(int id) {
 893    auto ip = this->controller->sprops.find(id);
 894    if (ip != this->controller->sprops.end()) {
 895       this->controller->surfaces[id]->set_visibility(1);
 896       char const *label =
 897          this->lookup_name(id).value_or("unknown-name").c_str();
 898
 899       // FOR CES DEMO >>>
 900       if ((0 == strcmp(label, "Radio"))
 901           || (0 == strcmp(label, "MediaPlayer"))
 902           || (0 == strcmp(label, "Music"))
 903           || (0 == strcmp(label, "VideoPlayer"))
 904           || (0 == strcmp(label, "Video"))
 905           || (0 == strcmp(label, "Navigation"))) {
 906         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 907             if (id == *i) {
 908                // Remove id
 909                this->surface_bg.erase(i);
 910
 911                // Remove from BG layer (999)
 912                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 913                this->controller->layers[999]->remove_surface(id);
 914
 915                // Add to FG layer (1001)
 916                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 917                this->controller->layers[1001]->add_surface(id);
 918
 919                for (int j : this->surface_bg) {
 920                  HMI_DEBUG("wm", "Stored id:%d", j);
 921                }
 922                break;
 923             }
 924          }
 925       }
 926       // <<< FOR CES DEMO
 927       this->layout_commit();
 928
 929       this->emit_visible(label);
 930       this->emit_activated(label);
 931    }
 932 }
 933
 934 void App::deactivate(int id) {
 935    auto ip = this->controller->sprops.find(id);
 936    if (ip != this->controller->sprops.end()) {
 937       char const *label =
 938          this->lookup_name(id).value_or("unknown-name").c_str();
 939
 940       // FOR CES DEMO >>>
 941       if ((0 == strcmp(label, "Radio"))
 942           || (0 == strcmp(label, "MediaPlayer"))
 943           || (0 == strcmp(label, "Music"))
 944           || (0 == strcmp(label, "VideoPlayer"))
 945           || (0 == strcmp(label, "Video"))
 946           || (0 == strcmp(label, "Navigation"))) {
 947
 948          // Store id
 949          this->surface_bg.push_back(id);
 950
 951          // Remove from FG layer (1001)
 952          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 953          this->controller->layers[1001]->remove_surface(id);
 954
 955          // Add to BG layer (999)
 956          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 957          this->controller->layers[999]->add_surface(id);
 958
 959          for (int j : surface_bg) {
 960             HMI_DEBUG("wm", "Stored id:%d", j);
 961          }
 962       }
 963       else {
 964          this->controller->surfaces[id]->set_visibility(0);
 965       }
 966       // <<< FOR CES DEMO
 967
 968       this->layout_commit();
 969
 970       this->emit_deactivated(label);
 971       this->emit_invisible(label);
 972    }
 973 }
 974
 975 void App::deactivate(std::string role) {
 976     std::string app = this->role2app_[role];
 977     auto const &id = this->lookup_id(app.c_str());
 978     if (!id) {
 979       HMI_ERROR("wm", "Surface does not exist");
 980       return;
 981     }
 982     HMI_DEBUG("wm", "Deactivate role:%s (app:%s)",
 983               role.c_str(), app.c_str());
 984
 985     this->deactivate(*id);
 986 }
 987
 988 void App::deactivate_main_surface() {
 989    this->layers.main_surface = -1;
 990    this->allocateWindowResource("deactivate",
 991                                 this->layers.main_surface_name.c_str(), nullptr,
 992                                 [](const char*){});
 993 }
 994
 995 /**
 996  * controller_hooks
 997  */
 998 void controller_hooks::surface_created(uint32_t surface_id) {
 999    this->app->surface_created(surface_id);
1000 }
1001
1002 void controller_hooks::surface_removed(uint32_t surface_id) {
1003    this->app->surface_removed(surface_id);
1004 }
1005
1006 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1007                                           uint32_t /*v*/) {}
1008
1009 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1010                                                      uint32_t /*x*/,
1011                                                      uint32_t /*y*/,
1012                                                      uint32_t /*w*/,
1013                                                      uint32_t /*h*/) {}
1014
1015 int App::allocateSurface() {
1016     HMI_DEBUG("wm", "Call");
1017
1018     // Get current/previous layers
1019     LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
1020     LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
1021
1022     // Update resource of all layers
1023     for (auto itr_layers = crr_layers.begin();
1024          itr_layers != crr_layers.end(); ++itr_layers) {
1025         // Get layer
1026         std::string layer = itr_layers->first;
1027         HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
1028
1029         // If layout is changed, update resouce
1030         if (this->lm_.isLayoutChanged(layer.c_str())) {
1031             // Get current/previous layout
1032             LayoutManager::TypeLayouts crr_layout = itr_layers->second;
1033             LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
1034
1035             // Get current/previous layout name
1036             std::string crr_layout_name = crr_layout.begin()->first;
1037             std::string prv_layout_name = prv_layout.begin()->first;
1038             HMI_DEBUG("wm", "layout name crr:%s prv:%s",
1039                       crr_layout_name.c_str(), prv_layout_name.c_str());
1040
1041             // Get current/previous ares
1042             LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
1043             LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
1044
1045             // Create previous displayed role list
1046             std::string prv_area_name;
1047             std::vector<std::string> prv_role_list;
1048             for (auto itr_areas = prv_areas.begin();
1049                  itr_areas != prv_areas.end(); ++itr_areas) {
1050                 prv_area_name = itr_areas->first;
1051                 prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
1052                 HMI_DEBUG("wm", "previous displayed role:%s",
1053                           prv_areas[prv_area_name]["role"].c_str());
1054             }
1055
1056             // Allocate surface for each area
1057             std::string crr_area_name;
1058             std::string crr_role_name;
1059             LayoutManager::TypeRolCtg crr_rol_ctg;
1060             for (auto itr_areas = crr_areas.begin();
1061                  itr_areas != crr_areas.end(); ++itr_areas) {
1062                 crr_area_name = itr_areas->first;
1063                 crr_rol_ctg = itr_areas->second;
1064
1065                 // Get role of current area
1066                 if ("category" == crr_rol_ctg.begin()->first) {
1067                     // If current area have category
1068                     // Get category name
1069                     std::string crr_ctg = crr_rol_ctg.begin()->second;
1070
1071                     // Serch relevant role from previous displayed role list
1072                     for (auto itr_role = prv_role_list.begin();
1073                          itr_role != prv_role_list.end(); ++itr_role) {
1074                         std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
1075                         if (crr_ctg == prv_ctg) {
1076                             // First discovered role is set to current role
1077                             crr_role_name = *itr_role;
1078
1079                             // Delete used role for other areas
1080                             // which have same category
1081                             prv_role_list.erase(itr_role);
1082
1083                             break;
1084                         }
1085                     }
1086                 }
1087                 else {
1088                     crr_role_name = itr_areas->second["role"];
1089                 }
1090                 HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
1091                           crr_area_name.c_str(), crr_role_name.c_str());
1092
1093                 // Deactivate non-displayed role
1094                 std::string prv_role_name;
1095                 if (crr_layout_name == prv_layout_name) {
1096                     HMI_DEBUG("wm", "Current layout is same with previous");
1097
1098                     // Deactivate previous role in same area
1099                     // if it is different with current
1100                     prv_role_name = prv_areas[crr_area_name]["role"];
1101                     if (crr_role_name != prv_role_name) {
1102                         this->deactivate(prv_role_name);
1103                     }
1104                 }
1105                 else {
1106                     HMI_DEBUG("wm", "Current layout is different with previous");
1107
1108                     if ("none" != prv_layout_name) {
1109                         // Deactivate previous role in all area in previous layout
1110                         // if it is different with current role
1111                         for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
1112                             prv_role_name = itr->second["role"].c_str();
1113                             if (crr_role_name != prv_role_name) {
1114                                 this->deactivate(prv_role_name);
1115                             }
1116                         }
1117                     }
1118                 }
1119
1120                 // Set surface for displayed role
1121                 if ("none" != crr_layout_name) {
1122                     // If current layout is not "none",
1123                     // set surface for current role
1124                     this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
1125
1126                     // TODO:
1127                     // This API is workaround.
1128                     // Resource manager should manage each resource infomations
1129                     // according to architecture document.
1130                     this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
1131                 }
1132             }
1133         }
1134     }
1135     return 0;
1136 }
1137
1138 void App::setSurfaceSize(const char* role, const char* area) {
1139     HMI_DEBUG("wm", "role:%s area:%s", role, area);
1140
1141     // Get size of current area
1142     compositor::rect size = this->lm_.getAreaSize(area);
1143
1144     // Set destination to the display rectangle
1145     int surface_id = this->role2surfaceid_[role];
1146
1147     if (!this->controller->surface_exists(surface_id)) {
1148         // Block until all pending request are processed by wayland display server
1149         // because waiting for the surface of new app is created
1150         this->display->roundtrip();
1151     }
1152     auto &s = this->controller->surfaces[surface_id];
1153     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1154     this->layout_commit();
1155
1156     // Update area information
1157     this->area_info[surface_id].x = size.x;
1158     this->area_info[surface_id].y = size.y;
1159     this->area_info[surface_id].w = size.w;
1160     this->area_info[surface_id].h = size.h;
1161     HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
1162               size.x, size.y, size.w, size.h);
1163
1164     // Emit syncDraw event
1165     const char* app = this->role2app_[role].c_str();
1166     this->emit_syncdraw(app, area,
1167                         size.x, size.y, size.w, size.h);
1168
1169     // Enqueue flushDraw event
1170     this->enqueue_flushdraw(surface_id);
1171 }
1172
1173 void App::setAccelPedalPos(double val) {
1174     this->crr_car_info_.accel_pedal_pos = val;
1175 }
1176
1177 extern const char* kDefaultAppDb;
1178 int App::loadAppDb() {
1179     HMI_DEBUG("wm", "Call");
1180
1181     // Get afm application installed dir
1182     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
1183     HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
1184
1185     std::string file_name;
1186     if (!afm_app_install_dir) {
1187         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
1188     }
1189     else {
1190         file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
1191     }
1192
1193     // Load app.db
1194     json_object* json_obj;
1195     int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
1196     if (0 > ret) {
1197         HMI_ERROR("wm", "Could not open app.db, so use default role information");
1198         json_obj = json_tokener_parse(kDefaultAppDb);
1199     }
1200     HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
1201
1202     // Perse apps
1203     HMI_DEBUG("wm", "Perse apps");
1204     json_object* json_cfg;
1205     if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
1206         HMI_ERROR("wm", "Parse Error!!");
1207         return -1;
1208     }
1209
1210     int len = json_object_array_length(json_cfg);
1211     HMI_DEBUG("wm", "json_cfg len:%d", len);
1212     HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
1213
1214     for (int i=0; i<len; i++) {
1215         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
1216         HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
1217
1218         const char* app = jh::getStringFromJson(json_tmp, "name");
1219         if (nullptr == app) {
1220             HMI_ERROR("wm", "Parse Error!!");
1221             return -1;
1222         }
1223         HMI_DEBUG("wm", "> app:%s", app);
1224
1225         const char* role = jh::getStringFromJson(json_tmp, "role");
1226         if (nullptr == role) {
1227             HMI_ERROR("wm", "Parse Error!!");
1228             return -1;
1229         }
1230         HMI_DEBUG("wm", "> role:%s", role);
1231
1232         this->drawingname2role_[app] = std::string(role);
1233     }
1234
1235     // Check
1236     for(auto itr = this->drawingname2role_.begin();
1237       itr != this->drawingname2role_.end(); ++itr) {
1238         HMI_DEBUG("wm", "app:%s role:%s",
1239                   itr->first.c_str(), itr->second.c_str());
1240     }
1241
1242     // Release json_object
1243     json_object_put(json_obj);
1244
1245     return 0;
1246 }
1247
1248
1249 const char* kDefaultAppDb = "{ \
1250     \"apps\": [ \
1251         { \
1252             \"name\": \"HomeScreen\", \
1253             \"role\": \"homescreen\" \
1254         }, \
1255         { \
1256             \"name\": \"Music\", \
1257             \"role\": \"music\" \
1258         }, \
1259         { \
1260             \"name\": \"MediaPlayer\", \
1261             \"role\": \"music\" \
1262         }, \
1263         { \
1264             \"name\": \"Video\", \
1265             \"role\": \"video\" \
1266         }, \
1267         { \
1268             \"name\": \"VideoPlayer\", \
1269             \"role\": \"video\" \
1270         }, \
1271         { \
1272             \"name\": \"WebBrowser\", \
1273             \"role\": \"browser\" \
1274         }, \
1275         { \
1276             \"name\": \"Radio\", \
1277             \"role\": \"radio\" \
1278         }, \
1279         { \
1280             \"name\": \"Phone\", \
1281             \"role\": \"phone\" \
1282         }, \
1283         { \
1284             \"name\": \"Navigation\", \
1285             \"role\": \"map\" \
1286         }, \
1287         { \
1288             \"name\": \"HVAC\", \
1289             \"role\": \"hvac\" \
1290         }, \
1291         { \
1292             \"name\": \"Settings\", \
1293             \"role\": \"settings\" \
1294         }, \
1295         { \
1296             \"name\": \"Dashboard\", \
1297             \"role\": \"dashboard\" \
1298         }, \
1299         { \
1300             \"name\": \"POI\", \
1301             \"role\": \"poi\" \
1302         }, \
1303         { \
1304             \"name\": \"Mixer\", \
1305             \"role\": \"mixer\" \
1306         } \
1307     ] \
1308 }";
1309
1310
1311 }  // namespace wm