src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37 #include <string>
  38
  39
  40 namespace wm {
  41
  42 /* DrawingArea name used by "{layout}.{area}" */
  43 const char kNameLayoutNormal[] = "normal";
  44 const char kNameLayoutSplit[]  = "split";
  45 const char kNameAreaFull[]     = "full";
  46 const char kNameAreaMain[]     = "main";
  47 const char kNameAreaSub[]      = "sub";
  48
  49 /* Key for json obejct */
  50 const char kKeyDrawingName[] = "drawing_name";
  51 const char kKeyDrawingArea[] = "drawing_area";
  52 const char kKeyDrawingRect[] = "drawing_rect";
  53 const char kKeyX[]           = "x";
  54 const char kKeyY[]           = "y";
  55 const char kKeyWidth[]       = "width";
  56 const char kKeyHeight[]      = "height";
  57 const char kKeyWidthPixel[]  = "width_pixel";
  58 const char kKeyHeightPixel[] = "height_pixel";
  59 const char kKeyWidthMm[]     = "width_mm";
  60 const char kKeyHeightMm[]    = "height_mm";
  61 const char kKeyAppID[]       = "id";
  62
  63
  64 namespace {
  65
  66 using nlohmann::json;
  67
  68 result<json> file_to_json(char const *filename) {
  69    json j;
  70    std::ifstream i(filename);
  71    if (i.fail()) {
  72       HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  73       j = default_layers_json;
  74    }
  75    else {
  76       i >> j;
  77    }
  78
  79    return Ok(j);
  80 }
  81
  82 struct result<layer_map> load_layer_map(char const *filename) {
  83    HMI_DEBUG("wm", "loading IDs from %s", filename);
  84
  85    auto j = file_to_json(filename);
  86    if (j.is_err()) {
  87       return Err<layer_map>(j.unwrap_err());
  88    }
  89    json jids = j.unwrap();
  90
  91    return to_layer_map(jids);
  92 }
  93
  94 }  // namespace
  95
  96
  97 /**
  98  * App Impl
  99  */
 100 App::App(wl::display *d)
 101    : chooks{this},
 102      display{d},
 103      controller{},
 104      outputs(),
 105      config(),
 106      layers(),
 107      id_alloc{},
 108      pending_events(false),
 109      policy{} {
 110    try {
 111       {
 112          auto l = load_layer_map(
 113             this->config.get_string("layers.json").value().c_str());
 114          if (l.is_ok()) {
 115             this->layers = l.unwrap();
 116          } else {
 117             HMI_ERROR("wm", "%s", l.err().value());
 118          }
 119       }
 120    } catch (std::exception &e) {
 121       HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 122    }
 123
 124    // Initialize current car info
 125    this->crr_car_info_.parking_brake_stt = true;
 126    this->crr_car_info_.accel_pedal_stt = false;
 127    this->crr_car_info_.accel_pedal_pos = 0;
 128    this->crr_car_info_.car_stt = "stop";
 129    this->crr_car_info_.headlamp_stt = false;
 130 }
 131
 132 int App::init() {
 133    if (!this->display->ok()) {
 134       return -1;
 135    }
 136
 137    if (this->layers.mapping.empty()) {
 138       HMI_ERROR("wm", "No surface -> layer mapping loaded");
 139       return -1;
 140    }
 141
 142 #if 1 // @@@@@
 143    // Load app.db
 144    this->loadAppDb();
 145 #endif
 146
 147    // Initialize PolicyManager
 148    this->pm_.initialize();
 149
 150    // Initialize LayoutManager
 151    this->lm_.initialize();
 152
 153    // Make afb event
 154    for (int i=Event_Val_Min; i<=Event_Val_Max; i++) {
 155       map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 156    }
 157
 158    this->display->add_global_handler(
 159       "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 160          this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 161       });
 162
 163    this->display->add_global_handler(
 164       "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 165          this->controller =
 166             std::make_unique<struct compositor::controller>(r, name, v);
 167
 168          // Init controller hooks
 169          this->controller->chooks = &this->chooks;
 170
 171          // This protocol needs the output, so lets just add our mapping here...
 172          this->controller->add_proxy_to_id_mapping(
 173             this->outputs.back()->proxy.get(),
 174             wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 175                this->outputs.back()->proxy.get())));
 176
 177          // Create screen
 178          this->controller->create_screen(this->outputs.back()->proxy.get());
 179
 180          // Set display to controller
 181          this->controller->display = this->display;
 182       });
 183
 184    // First level objects
 185    this->display->roundtrip();
 186    // Second level objects
 187    this->display->roundtrip();
 188    // Third level objects
 189    this->display->roundtrip();
 190
 191    return init_layers();
 192 }
 193
 194 int App::dispatch_pending_events() {
 195    if (this->pop_pending_events()) {
 196       this->display->dispatch_pending();
 197       return 0;
 198    }
 199    return -1;
 200 }
 201
 202 bool App::pop_pending_events() {
 203    bool x{true};
 204    return this->pending_events.compare_exchange_strong(
 205       x, false, std::memory_order_consume);
 206 }
 207
 208 void App::set_pending_events() {
 209    this->pending_events.store(true, std::memory_order_release);
 210 }
 211
 212 optional<int> App::lookup_id(char const *name) {
 213    return this->id_alloc.lookup(std::string(name));
 214 }
 215 optional<std::string> App::lookup_name(int id) {
 216    return this->id_alloc.lookup(id);
 217 }
 218
 219 /**
 220  * init_layers()
 221  */
 222 int App::init_layers() {
 223    if (!this->controller) {
 224       HMI_ERROR("wm", "ivi_controller global not available");
 225       return -1;
 226    }
 227
 228    if (this->outputs.empty()) {
 229       HMI_ERROR("wm", "no output was set up!");
 230       return -1;
 231    }
 232
 233    auto &c = this->controller;
 234
 235    auto &o = this->outputs.front();
 236    auto &s = c->screens.begin()->second;
 237    auto &layers = c->layers;
 238
 239    // Write output dimensions to ivi controller...
 240    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 241    c->physical_size = compositor::size{uint32_t(o->physical_width),
 242                                        uint32_t(o->physical_height)};
 243
 244    // Clear scene
 245    layers.clear();
 246
 247    // Clear screen
 248    s->clear();
 249
 250    // Quick and dirty setup of layers
 251    for (auto const &i : this->layers.mapping) {
 252       c->layer_create(i.second.layer_id, o->width, o->height);
 253       auto &l = layers[i.second.layer_id];
 254       l->set_destination_rectangle(0, 0, o->width, o->height);
 255       l->set_visibility(1);
 256       HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 257                i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 258    }
 259
 260    // Add layers to screen
 261    s->set_render_order(this->layers.layers);
 262
 263    this->layout_commit();
 264
 265    return 0;
 266 }
 267
 268 void App::layout_commit() {
 269    this->controller->commit_changes();
 270    this->display->flush();
 271 }
 272
 273 const char* App::convertDrawingNameToRole(char const *drawing_name) {
 274     const char* role;
 275
 276     if (this->drawingname2role_.find(drawing_name) != this->drawingname2role_.end()) {
 277         // drawing_name is old role. So convert to new role.
 278         role = this->drawingname2role_[drawing_name].c_str();
 279     }
 280     else {
 281         // drawing_name is new role.
 282         role = drawing_name;
 283     }
 284     HMI_DEBUG("wm", "drawing_name:%s -> role: %s", drawing_name, role);
 285
 286     return role;
 287 }
 288
 289 void App::allocateWindowResource(char const *event, char const *drawing_name,
 290                                  char const *drawing_area, const reply_func &reply) {
 291     const char* new_role = nullptr;
 292     const char* new_area = nullptr;
 293
 294     // Convert old role to new role
 295     if ((nullptr != drawing_name) && (0 != strcmp("", drawing_name))) {
 296         new_role = this->convertDrawingNameToRole(drawing_name);
 297     }
 298
 299     if (0 == strcmp("activate", event)) {
 300         // TODO:
 301         // This process will be removed
 302         // because the area "normal.full" and "normalfull" will be prohibited
 303         {
 304             if (0 == strcmp("restriction", new_role)) {
 305                 new_area = drawing_area;
 306             }
 307             else {
 308                 if (nullptr == drawing_area) {
 309                     new_area = "normal";
 310                 }
 311                 else if (0 == strcmp("normal.full", drawing_area)) {
 312                     new_area = "normal";
 313                 }
 314                 else if (0 == strcmp("restriction.split.sub", drawing_area)) {
 315                     new_area = "restriction.split.sub";
 316                 }
 317                 else if (0 == strcmp("homescreen", new_role)) {
 318                     // Now homescreen specifies "normalfull"
 319                     new_area = "full";
 320                 }
 321                 else {
 322                     new_area = "normal";
 323                 }
 324             }
 325             HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
 326         }
 327     }
 328     else if (0 == strcmp("deactivate", event)) {
 329         new_area = "";
 330     }
 331
 332     // TODO:
 333     // Check role
 334
 335     // TODO:
 336     // If event is "activate" and area is not specifid,
 337     // get default value by using role
 338
 339     // Check Policy
 340     json_object* json_in = json_object_new_object();
 341     json_object* json_out = json_object_new_object();
 342     json_object_object_add(json_in, "event", json_object_new_string(event));
 343
 344     if (nullptr != new_role) {
 345         json_object_object_add(json_in, "role", json_object_new_string(new_role));
 346     }
 347     if (nullptr != new_area) {
 348         json_object_object_add(json_in, "area", json_object_new_string(new_area));
 349     }
 350
 351     int ret = this->pm_.checkPolicy(json_in, &json_out);
 352     if (0 > ret) {
 353         reply("Error checkPolicy()");
 354         return;
 355     }
 356     else {
 357         HMI_DEBUG("wm", "result: %s", json_object_get_string(json_out));
 358     }
 359
 360     // Release json_object
 361     json_object_put(json_in);
 362
 363     // Check parking brake state
 364     json_object* json_parking_brake;
 365     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 366         reply("Not found key \"parking_brake\"");
 367         return;
 368     }
 369
 370     json_bool is_changed;
 371     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 372     if (is_changed) {
 373         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 374         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 375
 376         // Update state and emit event
 377         if ("parking_brake_off" == parking_brake_state) {
 378             this->crr_car_info_.parking_brake_stt = false;
 379 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 380             this->emitParkingBrakeOff();
 381 #endif
 382         }
 383         else if ("parking_brake_on" == parking_brake_state) {
 384             this->crr_car_info_.parking_brake_stt = true;
 385 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 386             this->emitParkingBrakeOn();
 387 #endif
 388         }
 389         else {
 390             reply("Unknown parking brake state");
 391             return;
 392         }
 393     }
 394
 395     // Check accelerator pedal state
 396     json_object* json_accel_pedal;
 397     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 398         reply("Not found key \"accel_pedal\"");
 399         return;
 400     }
 401
 402     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 403     if (is_changed) {
 404         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 405         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 406
 407         // Update state
 408         if ("accel_pedal_off" == accel_pedal_state) {
 409             this->crr_car_info_.accel_pedal_stt = false;
 410         }
 411         else if ("accel_pedal_on" == accel_pedal_state) {
 412             this->crr_car_info_.accel_pedal_stt = true;
 413         }
 414         else {
 415             reply("Unknown accel pedal state");
 416             return;
 417         }
 418     }
 419
 420     // Check lightstatus brake state
 421     json_object* json_lightstatus_brake;
 422     if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
 423         reply("Not found key \"lightstatus_brake\"");
 424         return;
 425     }
 426
 427     is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
 428     if (is_changed) {
 429         std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
 430         HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
 431
 432         // Update state and emit event
 433         if ("lightstatus_brake_off" == lightstatus_brake_state) {
 434             this->crr_car_info_.lightstatus_brake_stt = false;
 435             this->emitLightstatusBrakeOff();
 436         }
 437         else if ("lightstatus_brake_on" == lightstatus_brake_state) {
 438             this->crr_car_info_.lightstatus_brake_stt = true;
 439             this->emitLightstatusBrakeOn();
 440         }
 441         else {
 442             reply("Unknown lightstatus brake state");
 443             return;
 444         }
 445     }
 446
 447     // Check car state
 448     json_object* json_car;
 449     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 450         reply("Not found key \"car\"");
 451         return;
 452     }
 453
 454     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 455     if (is_changed) {
 456         std::string car_state = jh::getStringFromJson(json_car, "state");
 457         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 458
 459         // Emit car event
 460         if ("car_stop" == car_state) {
 461             this->crr_car_info_.car_stt = "stop";
 462             this->emitCarStop();
 463         }
 464         else if ("car_run" == car_state) {
 465             this->crr_car_info_.car_stt = "run";
 466             this->emitCarRun();
 467         }
 468         else {
 469             reply("Unknown car state");
 470             return;
 471         }
 472     }
 473
 474     // Check lamp state
 475     json_object* json_lamp;
 476     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 477         reply("Not found key \"lamp\"");
 478         return;
 479     }
 480
 481     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 482     if (is_changed) {
 483         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 484         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 485
 486         // Update state and emit event
 487         if ("lamp_off" == lamp_state) {
 488             this->crr_car_info_.headlamp_stt = false;
 489             this->emitHeadlampOff();
 490         }
 491         else if ("lamp_on" == lamp_state) {
 492             this->crr_car_info_.headlamp_stt = true;
 493             this->emitHeadlampOn();
 494         }
 495         else {
 496             reply("Unknown lamp state");
 497             return;
 498         }
 499     }
 500
 501     // Get category
 502     const char* category = nullptr;
 503     std::string str_category;
 504     if (nullptr != new_role) {
 505         str_category = this->pm_.roleToCategory(new_role);
 506         category = str_category.c_str();
 507         HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
 508     }
 509
 510     // Update layout
 511     if (this->lm_.updateLayout(json_out, new_role, category)) {
 512         HMI_DEBUG("wm", "Layer is changed!!");
 513
 514         // Allocate surface
 515         this->allocateSurface();
 516     }
 517     else {
 518         HMI_DEBUG("wm", "All layer is NOT changed!!");
 519     }
 520
 521     // Release json_object
 522     json_object_put(json_out);
 523
 524     return;
 525 }
 526
 527 void App::enqueue_flushdraw(int surface_id) {
 528    this->check_flushdraw(surface_id);
 529    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 530    this->pending_end_draw.push_back(surface_id);
 531 }
 532
 533 void App::check_flushdraw(int surface_id) {
 534    auto i = std::find(std::begin(this->pending_end_draw),
 535                       std::end(this->pending_end_draw), surface_id);
 536    if (i != std::end(this->pending_end_draw)) {
 537       auto n = this->lookup_name(surface_id);
 538       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 539                n ? n->c_str() : "unknown-name", surface_id);
 540       std::swap(this->pending_end_draw[std::distance(
 541                    std::begin(this->pending_end_draw), i)],
 542                 this->pending_end_draw.back());
 543       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 544    }
 545 }
 546
 547 void App::api_enddraw(char const *appid, char const *drawing_name) {
 548    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 549       auto n = this->lookup_name(this->pending_end_draw[i]);
 550       if (n && *n == drawing_name) {
 551          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 552          this->pending_end_draw.resize(iend - 1);
 553          this->activate(this->pending_end_draw[i]);
 554          this->emit_flushdraw(drawing_name);
 555          this->emitScreenUpdated(appid);
 556       }
 557    }
 558 }
 559
 560 void App::api_ping() { this->dispatch_pending_events(); }
 561
 562 void App::send_event(char const *evname){
 563    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 564
 565    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 566    if (ret != 0) {
 567       HMI_DEBUG("wm", "afb_event_push failed: %m");
 568    }
 569 }
 570
 571 void App::send_event(char const *evname, char const *label){
 572    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 573
 574    json_object *j = json_object_new_object();
 575    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 576
 577    int ret = afb_event_push(this->map_afb_event[evname], j);
 578    if (ret != 0) {
 579       HMI_DEBUG("wm", "afb_event_push failed: %m");
 580    }
 581 }
 582
 583 void App::send_event(char const *evname, char const *label, char const *area,
 584                              int x, int y, int w, int h) {
 585    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 586              __func__, evname, label, area, x, y, w, h);
 587
 588    json_object *j_rect = json_object_new_object();
 589    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 590    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 591    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 592    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 593
 594    json_object *j = json_object_new_object();
 595    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 596    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 597    json_object_object_add(j, kKeyDrawingRect, j_rect);
 598
 599    int ret = afb_event_push(this->map_afb_event[evname], j);
 600    if (ret != 0) {
 601       HMI_DEBUG("wm", "afb_event_push failed: %m");
 602    }
 603 }
 604
 605 /**
 606  * proxied events
 607  */
 608 void App::surface_created(uint32_t surface_id) {
 609    auto layer_id = this->layers.get_layer_id(surface_id);
 610    if (!layer_id) {
 611       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 612                surface_id);
 613       return;
 614    }
 615
 616    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 617
 618    this->controller->layers[*layer_id]->add_surface(surface_id);
 619    this->layout_commit();
 620    // activate the main_surface right away
 621    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 622       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 623
 624       this->api_activate_surface(
 625          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 626    }*/
 627 }
 628
 629 void App::surface_removed(uint32_t surface_id) {
 630    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 631
 632    // We cannot normally deactivate the main_surface, so be explicit
 633    // about it:
 634    if (int(surface_id) == this->layers.main_surface) {
 635       this->deactivate_main_surface();
 636    } else {
 637       auto drawing_name = this->lookup_name(surface_id);
 638       if (drawing_name) {
 639          this->allocateWindowResource("deactivate",
 640                                       drawing_name->c_str(), nullptr,
 641                                       [](const char*){});
 642       }
 643    }
 644
 645    this->id_alloc.remove_id(surface_id);
 646    this->layers.remove_surface(surface_id);
 647 }
 648
 649 void App::emit_activated(char const *label) {
 650    this->send_event(kListEventName[Event_Active], label);
 651 }
 652
 653 void App::emit_deactivated(char const *label) {
 654    this->send_event(kListEventName[Event_Inactive], label);
 655 }
 656
 657 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 658    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 659 }
 660
 661 void App::emit_flushdraw(char const *label) {
 662    this->send_event(kListEventName[Event_FlushDraw], label);
 663 }
 664
 665 void App::emit_visible(char const *label, bool is_visible) {
 666    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 667 }
 668
 669 void App::emit_invisible(char const *label) {
 670    return emit_visible(label, false);
 671 }
 672
 673 void App::__send_event_temporary_extend(char const *evname, char const *appid) {
 674     HMI_DEBUG("wm", "send event %s: %s", evname, appid);
 675
 676     json_object *j = json_object_new_object();
 677     json_object_object_add(j, kKeyAppID, json_object_new_string(appid));
 678
 679     int ret = afb_event_push(this->map_afb_event[evname], j);
 680     if (ret != 0) {
 681         HMI_DEBUG("wm", "afb_event_push failed: %m");
 682     }
 683 }
 684
 685 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 686
 687 void App::emitHeadlampOff() {
 688     // Send HeadlampOff event for all application
 689     this->send_event(kListEventName[Event_HeadlampOff]);
 690 }
 691
 692 void App::emitHeadlampOn() {
 693     // Send HeadlampOn event for all application
 694     this->send_event(kListEventName[Event_HeadlampOn]);
 695 }
 696
 697 void App::emitParkingBrakeOff() {
 698     // Send ParkingBrakeOff event for all application
 699     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 700 }
 701
 702 void App::emitParkingBrakeOn() {
 703     // Send ParkingBrakeOn event for all application
 704     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 705 }
 706
 707 void App::emitLightstatusBrakeOff() {
 708     // Send LightstatusBrakeOff event for all application
 709     this->send_event(kListEventName[Event_LightstatusBrakeOff]);
 710 }
 711
 712 void App::emitLightstatusBrakeOn() {
 713     // Send LightstatusBrakeOn event for all application
 714     this->send_event(kListEventName[Event_LightstatusBrakeOn]);
 715 }
 716
 717 void App::emitCarStop() {
 718     // Send CarStop event for all application
 719     this->send_event(kListEventName[Event_CarStop]);
 720 }
 721
 722 void App::emitCarRun() {
 723     // Send CarRun event for all application
 724     this->send_event(kListEventName[Event_CarRun]);
 725 }
 726
 727 void App::emitScreenUpdated(char const* appid) {
 728     // Send ScreenUpdated event for applications which calls wmsubscribe
 729     this->__send_event_temporary_extend(kListEventName[Event_ScreenUpdated], appid);
 730 }
 731
 732 result<int> App::api_request_surface(char const *drawing_name) {
 733    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 734    if (!lid) {
 735       /**
 736        * register drawing_name as fallback and make it displayed.
 737        */
 738       lid = this->layers.get_layer_id(std::string("Fallback"));
 739       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 740       if(!lid){
 741           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 742       }
 743    }
 744
 745    auto rname = this->lookup_id(drawing_name);
 746    if (!rname) {
 747       // name does not exist yet, allocate surface id...
 748       auto id = int(this->id_alloc.generate_id(drawing_name));
 749       this->layers.add_surface(id, *lid);
 750
 751       // set the main_surface[_name] here and now
 752       if (!this->layers.main_surface_name.empty() &&
 753           this->layers.main_surface_name == drawing_name) {
 754          this->layers.main_surface = id;
 755          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 756       }
 757
 758 #if 0 // @@@@@
 759       // TODO:
 760       // This process will be implemented in SystemManager
 761       {
 762           // Generate app id
 763           auto id = int(this->app_id_alloc_.generate_id(drawing_name));
 764           this->appname2appid_[drawing_name] = id;
 765       }
 766 #endif
 767
 768       // Set map of (role, surface_id)
 769       const char* role = this->convertDrawingNameToRole(drawing_name);
 770       this->role2surfaceid_[role] = id;
 771
 772       // Set map of (role, app)
 773       // If the new app which has the same role which is had by existing app is requested,
 774       // the role is given to the new app.
 775       this->role2app_[role] = std::string(drawing_name);
 776
 777       return Ok<int>(id);
 778    }
 779
 780    // Check currently registered drawing names if it is already there.
 781    return Err<int>("Surface already present");
 782 }
 783
 784 char const *App::api_request_surface(char const *drawing_name,
 785                                      char const *ivi_id) {
 786    ST();
 787
 788    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 789    unsigned sid = std::stol(ivi_id);
 790
 791    if (!lid) {
 792       /**
 793        * register drawing_name as fallback and make it displayed.
 794        */
 795       lid = this->layers.get_layer_id(std::string("Fallback"));
 796       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 797       if(!lid){
 798           return "Drawing name does not match any role, Fallback is disabled";
 799       }
 800    }
 801
 802    auto rname = this->lookup_id(drawing_name);
 803
 804    if (rname) {
 805        return "Surface already present";
 806    }
 807
 808    // register pair drawing_name and ivi_id
 809    this->id_alloc.register_name_id(drawing_name, sid);
 810    this->layers.add_surface(sid, *lid);
 811
 812    // this surface is already created
 813    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 814
 815    this->controller->layers[*lid]->add_surface(sid);
 816    this->layout_commit();
 817
 818    return nullptr;
 819 }
 820
 821 result<json_object *> App::api_get_display_info() {
 822    // Check controller
 823    if (!this->controller) {
 824       return Err<json_object *>("ivi_controller global not available");
 825    }
 826
 827    // Set display info
 828    compositor::size o_size = this->controller->output_size;
 829    compositor::size p_size = this->controller->physical_size;
 830
 831    json_object *object = json_object_new_object();
 832    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 833    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 834    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 835    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 836
 837    return Ok<json_object *>(object);
 838 }
 839
 840 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 841    HMI_DEBUG("wm", "called");
 842
 843    // Check drawing name, surface/layer id
 844    auto const &surface_id = this->lookup_id(drawing_name);
 845    if (!surface_id) {
 846       return Err<json_object *>("Surface does not exist");
 847    }
 848
 849    if (!this->controller->surface_exists(*surface_id)) {
 850       return Err<json_object *>("Surface does not exist in controller!");
 851    }
 852
 853    auto layer_id = this->layers.get_layer_id(*surface_id);
 854    if (!layer_id) {
 855       return Err<json_object *>("Surface is not on any layer!");
 856    }
 857
 858    auto o_state = *this->layers.get_layout_state(*surface_id);
 859    if (o_state == nullptr) {
 860       return Err<json_object *>("Could not find layer for surface");
 861    }
 862
 863    // Set area rectangle
 864    compositor::rect area_info = this->area_info[*surface_id];
 865    json_object *object = json_object_new_object();
 866    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 867    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 868    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 869    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 870
 871    return Ok<json_object *>(object);
 872 }
 873
 874 result<json_object *> App::api_get_car_info(char const *label) {
 875     HMI_DEBUG("wm", "called");
 876
 877     json_object *j_in  = nullptr;
 878     json_object *j_out = nullptr;
 879
 880     if (0 == strcmp("parking_brake_status", label)) {
 881         // Get parking brake status
 882         json_bool val = this->crr_car_info_.parking_brake_stt;
 883         j_in = json_object_new_boolean(val);
 884     }
 885     else if (0 == strcmp("accelerator.pedal.position", label)) {
 886         // Get accelerator pedal position
 887         double val = this->crr_car_info_.accel_pedal_pos;
 888         j_in = json_object_new_double(val);
 889     }
 890     else if (0 == strcmp("car_state", label)) {
 891         // Get car state
 892         const char* val = this->crr_car_info_.car_stt;
 893         j_in = json_object_new_string(val);
 894     }
 895     else if (0 == strcmp("lightstatus.brake", label)) {
 896         // Get lightstatus brake status
 897         json_bool val = this->crr_car_info_.lightstatus_brake_stt;
 898         j_in = json_object_new_boolean(val);
 899     }
 900     else {
 901        return Err<json_object *>("Car info does not exist");
 902     }
 903
 904     // Create output object
 905     j_out = json_object_new_object();
 906     json_object_object_add(j_out, "value", j_in);
 907
 908     return Ok<json_object *>(j_out);
 909 }
 910
 911 void App::activate(int id) {
 912    auto ip = this->controller->sprops.find(id);
 913    if (ip != this->controller->sprops.end()) {
 914       this->controller->surfaces[id]->set_visibility(1);
 915       char const *label =
 916          this->lookup_name(id).value_or("unknown-name").c_str();
 917
 918       // FOR CES DEMO >>>
 919       if ((0 == strcmp(label, "Radio"))
 920           || (0 == strcmp(label, "MediaPlayer"))
 921           || (0 == strcmp(label, "Music"))
 922           || (0 == strcmp(label, "VideoPlayer"))
 923           || (0 == strcmp(label, "Video"))
 924           || (0 == strcmp(label, "Navigation"))) {
 925         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 926             if (id == *i) {
 927                // Remove id
 928                this->surface_bg.erase(i);
 929
 930                // Remove from BG layer (999)
 931                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 932                this->controller->layers[999]->remove_surface(id);
 933
 934                // Add to FG layer (1001)
 935                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 936                this->controller->layers[1001]->add_surface(id);
 937
 938                for (int j : this->surface_bg) {
 939                  HMI_DEBUG("wm", "Stored id:%d", j);
 940                }
 941                break;
 942             }
 943          }
 944       }
 945       // <<< FOR CES DEMO
 946       this->layout_commit();
 947
 948       this->emit_visible(label);
 949       this->emit_activated(label);
 950    }
 951 }
 952
 953 void App::deactivate(int id) {
 954    auto ip = this->controller->sprops.find(id);
 955    if (ip != this->controller->sprops.end()) {
 956       char const *label =
 957          this->lookup_name(id).value_or("unknown-name").c_str();
 958
 959       // FOR CES DEMO >>>
 960       if ((0 == strcmp(label, "Radio"))
 961           || (0 == strcmp(label, "MediaPlayer"))
 962           || (0 == strcmp(label, "Music"))
 963           || (0 == strcmp(label, "VideoPlayer"))
 964           || (0 == strcmp(label, "Video"))
 965           || (0 == strcmp(label, "Navigation"))) {
 966
 967          // Store id
 968          this->surface_bg.push_back(id);
 969
 970          // Remove from FG layer (1001)
 971          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 972          this->controller->layers[1001]->remove_surface(id);
 973
 974          // Add to BG layer (999)
 975          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 976          this->controller->layers[999]->add_surface(id);
 977
 978          for (int j : surface_bg) {
 979             HMI_DEBUG("wm", "Stored id:%d", j);
 980          }
 981       }
 982       else {
 983          this->controller->surfaces[id]->set_visibility(0);
 984       }
 985       // <<< FOR CES DEMO
 986
 987       this->layout_commit();
 988
 989       this->emit_deactivated(label);
 990       this->emit_invisible(label);
 991    }
 992 }
 993
 994 void App::deactivate(std::string role) {
 995     std::string app = this->role2app_[role];
 996     auto const &id = this->lookup_id(app.c_str());
 997     if (!id) {
 998       HMI_ERROR("wm", "Surface does not exist");
 999       return;
1000     }
1001     HMI_DEBUG("wm", "Deactivate role:%s (app:%s)",
1002               role.c_str(), app.c_str());
1003
1004     this->deactivate(*id);
1005 }
1006
1007 void App::deactivate_main_surface() {
1008    this->layers.main_surface = -1;
1009    this->allocateWindowResource("deactivate",
1010                                 this->layers.main_surface_name.c_str(), nullptr,
1011                                 [](const char*){});
1012 }
1013
1014 /**
1015  * controller_hooks
1016  */
1017 void controller_hooks::surface_created(uint32_t surface_id) {
1018    this->app->surface_created(surface_id);
1019 }
1020
1021 void controller_hooks::surface_removed(uint32_t surface_id) {
1022    this->app->surface_removed(surface_id);
1023 }
1024
1025 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1026                                           uint32_t /*v*/) {}
1027
1028 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1029                                                      uint32_t /*x*/,
1030                                                      uint32_t /*y*/,
1031                                                      uint32_t /*w*/,
1032                                                      uint32_t /*h*/) {}
1033
1034 int App::allocateSurface() {
1035     HMI_DEBUG("wm", "Call");
1036
1037     // Get current/previous layers
1038     LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
1039     LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
1040
1041     // Update resource of all layers
1042     for (auto itr_layers = crr_layers.begin();
1043          itr_layers != crr_layers.end(); ++itr_layers) {
1044         // Get layer
1045         std::string layer = itr_layers->first;
1046         HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
1047
1048         // If layout is changed, update resouce
1049         if (this->lm_.isLayoutChanged(layer.c_str())) {
1050             // Get current/previous layout
1051             LayoutManager::TypeLayouts crr_layout = itr_layers->second;
1052             LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
1053
1054             // Get current/previous layout name
1055             std::string crr_layout_name = crr_layout.begin()->first;
1056             std::string prv_layout_name = prv_layout.begin()->first;
1057             HMI_DEBUG("wm", "layout name crr:%s prv:%s",
1058                       crr_layout_name.c_str(), prv_layout_name.c_str());
1059
1060             // Get current/previous ares
1061             LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
1062             LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
1063
1064             // Create previous displayed role list
1065             std::string prv_area_name;
1066             std::vector<std::string> prv_role_list;
1067             for (auto itr_areas = prv_areas.begin();
1068                  itr_areas != prv_areas.end(); ++itr_areas) {
1069                 prv_area_name = itr_areas->first;
1070                 prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
1071                 HMI_DEBUG("wm", "previous displayed role:%s",
1072                           prv_areas[prv_area_name]["role"].c_str());
1073             }
1074
1075             // Allocate surface for each area
1076             std::string crr_area_name;
1077             std::string crr_role_name;
1078             LayoutManager::TypeRolCtg crr_rol_ctg;
1079             for (auto itr_areas = crr_areas.begin();
1080                  itr_areas != crr_areas.end(); ++itr_areas) {
1081                 crr_area_name = itr_areas->first;
1082                 crr_rol_ctg = itr_areas->second;
1083
1084                 // Get role of current area
1085                 if ("category" == crr_rol_ctg.begin()->first) {
1086                     // If current area have category
1087                     // Get category name
1088                     std::string crr_ctg = crr_rol_ctg.begin()->second;
1089
1090                     // Serch relevant role from previous displayed role list
1091                     for (auto itr_role = prv_role_list.begin();
1092                          itr_role != prv_role_list.end(); ++itr_role) {
1093                         std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
1094                         if (crr_ctg == prv_ctg) {
1095                             // First discovered role is set to current role
1096                             crr_role_name = *itr_role;
1097
1098                             // Delete used role for other areas
1099                             // which have same category
1100                             prv_role_list.erase(itr_role);
1101
1102                             break;
1103                         }
1104                     }
1105                 }
1106                 else {
1107                     crr_role_name = itr_areas->second["role"];
1108                 }
1109                 HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
1110                           crr_area_name.c_str(), crr_role_name.c_str());
1111
1112                 // Deactivate non-displayed role
1113                 std::string prv_role_name;
1114                 if (crr_layout_name == prv_layout_name) {
1115                     HMI_DEBUG("wm", "Current layout is same with previous");
1116
1117                     // Deactivate previous role in same area
1118                     // if it is different with current
1119                     prv_role_name = prv_areas[crr_area_name]["role"];
1120                     if (crr_role_name != prv_role_name) {
1121                         this->deactivate(prv_role_name);
1122                     }
1123                 }
1124                 else {
1125                     HMI_DEBUG("wm", "Current layout is different with previous");
1126
1127                     if ("none" != prv_layout_name) {
1128                         // Deactivate previous role in all area in previous layout
1129                         // if it is different with current role
1130                         for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
1131                             prv_role_name = itr->second["role"].c_str();
1132                             if (crr_role_name != prv_role_name) {
1133                                 this->deactivate(prv_role_name);
1134                             }
1135                         }
1136                     }
1137                 }
1138
1139                 // Set surface for displayed role
1140                 if ("none" != crr_layout_name) {
1141                     // If current layout is not "none",
1142                     // set surface for current role
1143                     this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
1144
1145                     // TODO:
1146                     // This API is workaround.
1147                     // Resource manager should manage each resource infomations
1148                     // according to architecture document.
1149                     this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
1150                 }
1151             }
1152         }
1153     }
1154     return 0;
1155 }
1156
1157 void App::setSurfaceSize(const char* role, const char* area) {
1158     HMI_DEBUG("wm", "role:%s area:%s", role, area);
1159
1160     // Get size of current area
1161     compositor::rect size = this->lm_.getAreaSize(area);
1162
1163     // Set destination to the display rectangle
1164     int surface_id = this->role2surfaceid_[role];
1165
1166     if (!this->controller->surface_exists(surface_id)) {
1167         // Block until all pending request are processed by wayland display server
1168         // because waiting for the surface of new app is created
1169         this->display->roundtrip();
1170     }
1171     auto &s = this->controller->surfaces[surface_id];
1172     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1173     this->layout_commit();
1174
1175     // Update area information
1176     this->area_info[surface_id].x = size.x;
1177     this->area_info[surface_id].y = size.y;
1178     this->area_info[surface_id].w = size.w;
1179     this->area_info[surface_id].h = size.h;
1180     HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
1181               size.x, size.y, size.w, size.h);
1182
1183     // Emit syncDraw event
1184     const char* app = this->role2app_[role].c_str();
1185     this->emit_syncdraw(app, area,
1186                         size.x, size.y, size.w, size.h);
1187
1188     // Enqueue flushDraw event
1189     this->enqueue_flushdraw(surface_id);
1190 }
1191
1192 void App::setAccelPedalPos(double val) {
1193     this->crr_car_info_.accel_pedal_pos = val;
1194 }
1195
1196 extern const char* kDefaultAppDb;
1197 int App::loadAppDb() {
1198     HMI_DEBUG("wm", "Call");
1199
1200     // Get afm application installed dir
1201     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
1202     HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
1203
1204     std::string file_name;
1205     if (!afm_app_install_dir) {
1206         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
1207     }
1208     else {
1209         file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
1210     }
1211
1212     // Load app.db
1213     json_object* json_obj;
1214     int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
1215     if (0 > ret) {
1216         HMI_ERROR("wm", "Could not open app.db, so use default role information");
1217         json_obj = json_tokener_parse(kDefaultAppDb);
1218     }
1219     HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
1220
1221     // Perse apps
1222     HMI_DEBUG("wm", "Perse apps");
1223     json_object* json_cfg;
1224     if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
1225         HMI_ERROR("wm", "Parse Error!!");
1226         return -1;
1227     }
1228
1229     int len = json_object_array_length(json_cfg);
1230     HMI_DEBUG("wm", "json_cfg len:%d", len);
1231     HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
1232
1233     for (int i=0; i<len; i++) {
1234         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
1235         HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
1236
1237         const char* app = jh::getStringFromJson(json_tmp, "name");
1238         if (nullptr == app) {
1239             HMI_ERROR("wm", "Parse Error!!");
1240             return -1;
1241         }
1242         HMI_DEBUG("wm", "> app:%s", app);
1243
1244         const char* role = jh::getStringFromJson(json_tmp, "role");
1245         if (nullptr == role) {
1246             HMI_ERROR("wm", "Parse Error!!");
1247             return -1;
1248         }
1249         HMI_DEBUG("wm", "> role:%s", role);
1250
1251         this->drawingname2role_[app] = std::string(role);
1252     }
1253
1254     // Check
1255     for(auto itr = this->drawingname2role_.begin();
1256       itr != this->drawingname2role_.end(); ++itr) {
1257         HMI_DEBUG("wm", "app:%s role:%s",
1258                   itr->first.c_str(), itr->second.c_str());
1259     }
1260
1261     // Release json_object
1262     json_object_put(json_obj);
1263
1264     return 0;
1265 }
1266
1267
1268 const char* kDefaultAppDb = "{ \
1269     \"apps\": [ \
1270         { \
1271             \"name\": \"HomeScreen\", \
1272             \"role\": \"homescreen\" \
1273         }, \
1274         { \
1275             \"name\": \"Music\", \
1276             \"role\": \"music\" \
1277         }, \
1278         { \
1279             \"name\": \"MediaPlayer\", \
1280             \"role\": \"music\" \
1281         }, \
1282         { \
1283             \"name\": \"Video\", \
1284             \"role\": \"video\" \
1285         }, \
1286         { \
1287             \"name\": \"VideoPlayer\", \
1288             \"role\": \"video\" \
1289         }, \
1290         { \
1291             \"name\": \"WebBrowser\", \
1292             \"role\": \"browser\" \
1293         }, \
1294         { \
1295             \"name\": \"Radio\", \
1296             \"role\": \"radio\" \
1297         }, \
1298         { \
1299             \"name\": \"Phone\", \
1300             \"role\": \"phone\" \
1301         }, \
1302         { \
1303             \"name\": \"Navigation\", \
1304             \"role\": \"map\" \
1305         }, \
1306         { \
1307             \"name\": \"HVAC\", \
1308             \"role\": \"hvac\" \
1309         }, \
1310         { \
1311             \"name\": \"Settings\", \
1312             \"role\": \"settings\" \
1313         }, \
1314         { \
1315             \"name\": \"Dashboard\", \
1316             \"role\": \"dashboard\" \
1317         }, \
1318         { \
1319             \"name\": \"POI\", \
1320             \"role\": \"poi\" \
1321         }, \
1322         { \
1323             \"name\": \"Mixer\", \
1324             \"role\": \"mixer\" \
1325         } \
1326     ] \
1327 }";
1328
1329
1330 }  // namespace wm