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_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     // Input event to PolicyManager
 351     this->pm_.inputEvent(json_in,
 352         [this, new_role, reply] (json_object* json_out) {
 353         HMI_DEBUG("wm", "role:%s", new_role);
 354
 355     // Check parking brake state
 356     json_object* json_parking_brake;
 357     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 358         reply("Not found key \"parking_brake\"");
 359         return;
 360     }
 361
 362     json_bool is_changed;
 363     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 364     if (is_changed) {
 365         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 366         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 367
 368         // Update state and emit event
 369         if ("parking_brake_off" == parking_brake_state) {
 370             this->crr_car_info_.parking_brake_stt = false;
 371 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 372             this->emitParkingBrakeOff();
 373 #endif
 374         }
 375         else if ("parking_brake_on" == parking_brake_state) {
 376             this->crr_car_info_.parking_brake_stt = true;
 377 #if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
 378             this->emitParkingBrakeOn();
 379 #endif
 380         }
 381         else {
 382             reply("Unknown parking brake state");
 383             return;
 384         }
 385     }
 386
 387     // Check accelerator pedal state
 388     json_object* json_accel_pedal;
 389     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 390         reply("Not found key \"accel_pedal\"");
 391         return;
 392     }
 393
 394     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 395     if (is_changed) {
 396         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 397         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 398
 399         // Update state
 400         if ("accel_pedal_off" == accel_pedal_state) {
 401             this->crr_car_info_.accel_pedal_stt = false;
 402         }
 403         else if ("accel_pedal_on" == accel_pedal_state) {
 404             this->crr_car_info_.accel_pedal_stt = true;
 405         }
 406         else {
 407             reply("Unknown accel pedal state");
 408             return;
 409         }
 410     }
 411
 412     // Check lightstatus brake state
 413     json_object* json_lightstatus_brake;
 414     if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
 415         reply("Not found key \"lightstatus_brake\"");
 416         return;
 417     }
 418
 419     is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
 420     if (is_changed) {
 421         std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
 422         HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
 423
 424         // Update state and emit event
 425         if ("lightstatus_brake_off" == lightstatus_brake_state) {
 426             this->crr_car_info_.lightstatus_brake_stt = false;
 427             this->emitLightstatusBrakeOff();
 428         }
 429         else if ("lightstatus_brake_on" == lightstatus_brake_state) {
 430             this->crr_car_info_.lightstatus_brake_stt = true;
 431             this->emitLightstatusBrakeOn();
 432         }
 433         else {
 434             reply("Unknown lightstatus brake state");
 435             return;
 436         }
 437     }
 438
 439     // Check car state
 440     json_object* json_car;
 441     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 442         reply("Not found key \"car\"");
 443         return;
 444     }
 445
 446     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 447     if (is_changed) {
 448         std::string car_state = jh::getStringFromJson(json_car, "state");
 449         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 450
 451         // Emit car event
 452         if ("car_stop" == car_state) {
 453             this->crr_car_info_.car_stt = "stop";
 454             this->emitCarStop();
 455         }
 456         else if ("car_run" == car_state) {
 457             this->crr_car_info_.car_stt = "run";
 458             this->emitCarRun();
 459         }
 460         else {
 461             reply("Unknown car state");
 462             return;
 463         }
 464     }
 465
 466     // Check lamp state
 467     json_object* json_lamp;
 468     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 469         reply("Not found key \"lamp\"");
 470         return;
 471     }
 472
 473     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 474     if (is_changed) {
 475         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 476         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 477
 478         // Update state and emit event
 479         if ("lamp_off" == lamp_state) {
 480             this->crr_car_info_.headlamp_stt = false;
 481             this->emitHeadlampOff();
 482         }
 483         else if ("lamp_on" == lamp_state) {
 484             this->crr_car_info_.headlamp_stt = true;
 485             this->emitHeadlampOn();
 486         }
 487         else {
 488             reply("Unknown lamp state");
 489             return;
 490         }
 491     }
 492
 493     // Get category
 494     const char* category = nullptr;
 495     std::string str_category;
 496     if (nullptr != new_role) {
 497         str_category = this->pm_.roleToCategory(new_role);
 498         category = str_category.c_str();
 499         HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
 500     }
 501
 502     // Update layout
 503     if (this->lm_.updateLayout(json_out, new_role, category)) {
 504         HMI_DEBUG("wm", "Layer is changed!!");
 505
 506         // Allocate surface
 507         this->allocateSurface();
 508     }
 509     else {
 510         HMI_DEBUG("wm", "All layer is NOT changed!!");
 511     }
 512 });
 513
 514     // Release json_object
 515     json_object_put(json_in);
 516
 517     return;
 518 }
 519
 520 void App::enqueue_flushdraw(int surface_id) {
 521    this->check_flushdraw(surface_id);
 522    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 523    this->pending_end_draw.push_back(surface_id);
 524 }
 525
 526 void App::check_flushdraw(int surface_id) {
 527    auto i = std::find(std::begin(this->pending_end_draw),
 528                       std::end(this->pending_end_draw), surface_id);
 529    if (i != std::end(this->pending_end_draw)) {
 530       auto n = this->lookup_name(surface_id);
 531       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 532                n ? n->c_str() : "unknown-name", surface_id);
 533       std::swap(this->pending_end_draw[std::distance(
 534                    std::begin(this->pending_end_draw), i)],
 535                 this->pending_end_draw.back());
 536       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 537    }
 538 }
 539
 540 void App::api_enddraw(char const *appid, char const *drawing_name) {
 541    // Convert drawing_name to role
 542    const char* role = this->convertDrawingNameToRole(drawing_name);
 543
 544    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 545       auto n = this->lookup_name(this->pending_end_draw[i]);
 546       if (n && *n == role) {
 547          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 548          this->pending_end_draw.resize(iend - 1);
 549          this->activate(this->pending_end_draw[i]);
 550          this->emit_flushdraw(drawing_name);
 551          this->emitScreenUpdated(appid);
 552       }
 553    }
 554 }
 555
 556 void App::api_ping() { this->dispatch_pending_events(); }
 557
 558 void App::send_event(char const *evname){
 559    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 560
 561    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 562    if (ret != 0) {
 563       HMI_DEBUG("wm", "afb_event_push failed: %m");
 564    }
 565 }
 566
 567 void App::send_event(char const *evname, char const *label){
 568    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 569
 570    json_object *j = json_object_new_object();
 571    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 572
 573    int ret = afb_event_push(this->map_afb_event[evname], j);
 574    if (ret != 0) {
 575       HMI_DEBUG("wm", "afb_event_push failed: %m");
 576    }
 577 }
 578
 579 void App::send_event(char const *evname, char const *label, char const *area,
 580                              int x, int y, int w, int h) {
 581    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 582              __func__, evname, label, area, x, y, w, h);
 583
 584    json_object *j_rect = json_object_new_object();
 585    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 586    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 587    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 588    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 589
 590    json_object *j = json_object_new_object();
 591    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 592    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 593    json_object_object_add(j, kKeyDrawingRect, j_rect);
 594
 595    int ret = afb_event_push(this->map_afb_event[evname], j);
 596    if (ret != 0) {
 597       HMI_DEBUG("wm", "afb_event_push failed: %m");
 598    }
 599 }
 600
 601 /**
 602  * proxied events
 603  */
 604 void App::surface_created(uint32_t surface_id) {
 605    auto layer_id = this->layers.get_layer_id(surface_id);
 606    if (!layer_id) {
 607       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 608                surface_id);
 609       return;
 610    }
 611
 612    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 613
 614    this->controller->layers[*layer_id]->add_surface(surface_id);
 615    this->layout_commit();
 616    // activate the main_surface right away
 617    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 618       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 619
 620       this->api_activate_surface(
 621          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 622    }*/
 623 }
 624
 625 void App::surface_removed(uint32_t surface_id) {
 626    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 627
 628    // We cannot normally deactivate the main_surface, so be explicit
 629    // about it:
 630    if (int(surface_id) == this->layers.main_surface) {
 631       this->deactivate_main_surface();
 632    } else {
 633       auto role = this->lookup_name(surface_id);
 634       if (role) {
 635          this->allocateWindowResource("deactivate",
 636                                       role->c_str(), nullptr,
 637                                       [](const char*){});
 638       }
 639    }
 640
 641    this->id_alloc.remove_id(surface_id);
 642    this->layers.remove_surface(surface_id);
 643 }
 644
 645 void App::emit_activated(char const *label) {
 646    this->send_event(kListEventName[Event_Active], label);
 647 }
 648
 649 void App::emit_deactivated(char const *label) {
 650    this->send_event(kListEventName[Event_Inactive], label);
 651 }
 652
 653 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 654    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 655 }
 656
 657 void App::emit_flushdraw(char const *label) {
 658    this->send_event(kListEventName[Event_FlushDraw], label);
 659 }
 660
 661 void App::emit_visible(char const *label, bool is_visible) {
 662    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 663 }
 664
 665 void App::emit_invisible(char const *label) {
 666    return emit_visible(label, false);
 667 }
 668
 669 void App::__send_event_temporary_extend(char const *evname, char const *appid) {
 670     HMI_DEBUG("wm", "send event %s: %s", evname, appid);
 671
 672     json_object *j = json_object_new_object();
 673     json_object_object_add(j, kKeyAppID, json_object_new_string(appid));
 674
 675     int ret = afb_event_push(this->map_afb_event[evname], j);
 676     if (ret != 0) {
 677         HMI_DEBUG("wm", "afb_event_push failed: %m");
 678     }
 679 }
 680
 681 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 682
 683 void App::emitHeadlampOff() {
 684     // Send HeadlampOff event for all application
 685     this->send_event(kListEventName[Event_HeadlampOff]);
 686 }
 687
 688 void App::emitHeadlampOn() {
 689     // Send HeadlampOn event for all application
 690     this->send_event(kListEventName[Event_HeadlampOn]);
 691 }
 692
 693 void App::emitParkingBrakeOff() {
 694     // Send ParkingBrakeOff event for all application
 695     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 696 }
 697
 698 void App::emitParkingBrakeOn() {
 699     // Send ParkingBrakeOn event for all application
 700     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 701 }
 702
 703 void App::emitLightstatusBrakeOff() {
 704     // Send LightstatusBrakeOff event for all application
 705     this->send_event(kListEventName[Event_LightstatusBrakeOff]);
 706 }
 707
 708 void App::emitLightstatusBrakeOn() {
 709     // Send LightstatusBrakeOn event for all application
 710     this->send_event(kListEventName[Event_LightstatusBrakeOn]);
 711 }
 712
 713 void App::emitCarStop() {
 714     // Send CarStop event for all application
 715     this->send_event(kListEventName[Event_CarStop]);
 716 }
 717
 718 void App::emitCarRun() {
 719     // Send CarRun event for all application
 720     this->send_event(kListEventName[Event_CarRun]);
 721 }
 722
 723 void App::emitScreenUpdated(char const* appid) {
 724     // Send ScreenUpdated event for applications which calls wmsubscribe
 725     this->__send_event_temporary_extend(kListEventName[Event_ScreenUpdated], appid);
 726 }
 727
 728 result<int> App::api_request_surface(char const *drawing_name) {
 729    // Convert drawing_name to role
 730    const char* role = this->convertDrawingNameToRole(drawing_name);
 731    auto lid = this->layers.get_layer_id(std::string(role));
 732    if (!lid) {
 733       /**
 734        * register drawing_name as fallback and make it displayed.
 735        */
 736       lid = this->layers.get_layer_id(std::string("Fallback"));
 737       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 738       if(!lid){
 739           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 740       }
 741    }
 742
 743    auto rname = this->lookup_id(role);
 744    if (!rname) {
 745       // name does not exist yet, allocate surface id...
 746       auto id = int(this->id_alloc.generate_id(role));
 747       this->layers.add_surface(id, *lid);
 748
 749       // set the main_surface[_name] here and now
 750       if (!this->layers.main_surface_name.empty() &&
 751           this->layers.main_surface_name == drawing_name) {
 752          this->layers.main_surface = id;
 753          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 754       }
 755
 756       // Set map of (role, surface_id)
 757       this->role2surfaceid_[role] = id;
 758
 759       // Set map of (role, drawing_name)
 760       this->role2drawingname_[role] = std::string(drawing_name);
 761
 762       return Ok<int>(id);
 763    }
 764
 765    // Check currently registered drawing names if it is already there.
 766    return Err<int>("Surface already present");
 767 }
 768
 769 char const *App::api_request_surface(char const *drawing_name,
 770                                      char const *ivi_id) {
 771    ST();
 772
 773    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 774    unsigned sid = std::stol(ivi_id);
 775
 776    if (!lid) {
 777       /**
 778        * register drawing_name as fallback and make it displayed.
 779        */
 780       lid = this->layers.get_layer_id(std::string("Fallback"));
 781       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 782       if(!lid){
 783           return "Drawing name does not match any role, Fallback is disabled";
 784       }
 785    }
 786
 787    auto rname = this->lookup_id(drawing_name);
 788
 789    if (rname) {
 790        return "Surface already present";
 791    }
 792
 793    // register pair drawing_name and ivi_id
 794    this->id_alloc.register_name_id(drawing_name, sid);
 795    this->layers.add_surface(sid, *lid);
 796
 797    // this surface is already created
 798    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 799
 800    this->controller->layers[*lid]->add_surface(sid);
 801    this->layout_commit();
 802
 803    return nullptr;
 804 }
 805
 806 result<json_object *> App::api_get_display_info() {
 807    // Check controller
 808    if (!this->controller) {
 809       return Err<json_object *>("ivi_controller global not available");
 810    }
 811
 812    // Set display info
 813    compositor::size o_size = this->controller->output_size;
 814    compositor::size p_size = this->controller->physical_size;
 815
 816    json_object *object = json_object_new_object();
 817    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 818    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 819    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 820    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 821
 822    return Ok<json_object *>(object);
 823 }
 824
 825 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 826    HMI_DEBUG("wm", "called");
 827
 828    // Convert drawing_name to role
 829    const char* role = this->convertDrawingNameToRole(drawing_name);
 830
 831    // Check drawing name, surface/layer id
 832    auto const &surface_id = this->lookup_id(role);
 833    if (!surface_id) {
 834       return Err<json_object *>("Surface does not exist");
 835    }
 836
 837    if (!this->controller->surface_exists(*surface_id)) {
 838       return Err<json_object *>("Surface does not exist in controller!");
 839    }
 840
 841    auto layer_id = this->layers.get_layer_id(*surface_id);
 842    if (!layer_id) {
 843       return Err<json_object *>("Surface is not on any layer!");
 844    }
 845
 846    auto o_state = *this->layers.get_layout_state(*surface_id);
 847    if (o_state == nullptr) {
 848       return Err<json_object *>("Could not find layer for surface");
 849    }
 850
 851    // Set area rectangle
 852    compositor::rect area_info = this->area_info[*surface_id];
 853    json_object *object = json_object_new_object();
 854    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 855    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 856    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 857    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 858
 859    return Ok<json_object *>(object);
 860 }
 861
 862 result<json_object *> App::api_get_car_info(char const *label) {
 863     HMI_DEBUG("wm", "called");
 864
 865     json_object *j_in  = nullptr;
 866     json_object *j_out = nullptr;
 867
 868     if (0 == strcmp("parking_brake_status", label)) {
 869         // Get parking brake status
 870         json_bool val = this->crr_car_info_.parking_brake_stt;
 871         j_in = json_object_new_boolean(val);
 872     }
 873     else if (0 == strcmp("accelerator.pedal.position", label)) {
 874         // Get accelerator pedal position
 875         double val = this->crr_car_info_.accel_pedal_pos;
 876         j_in = json_object_new_double(val);
 877     }
 878     else if (0 == strcmp("car_state", label)) {
 879         // Get car state
 880         const char* val = this->crr_car_info_.car_stt;
 881         j_in = json_object_new_string(val);
 882     }
 883     else if (0 == strcmp("lightstatus.brake", label)) {
 884         // Get lightstatus brake status
 885         json_bool val = this->crr_car_info_.lightstatus_brake_stt;
 886         j_in = json_object_new_boolean(val);
 887     }
 888     else {
 889        return Err<json_object *>("Car info does not exist");
 890     }
 891
 892     // Create output object
 893     j_out = json_object_new_object();
 894     json_object_object_add(j_out, "value", j_in);
 895
 896     return Ok<json_object *>(j_out);
 897 }
 898
 899 void App::activate(int id) {
 900    auto ip = this->controller->sprops.find(id);
 901    if (ip != this->controller->sprops.end()) {
 902       this->controller->surfaces[id]->set_visibility(1);
 903       char const *label =
 904          this->lookup_name(id).value_or("unknown-name").c_str();
 905
 906       if ((0 == strcmp(label, "radio"))
 907           || (0 == strcmp(label, "music"))
 908           || (0 == strcmp(label, "video"))
 909           || (0 == strcmp(label, "map"))) {
 910         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 911             if (id == *i) {
 912                // Remove id
 913                this->surface_bg.erase(i);
 914
 915                // Remove from BG layer (999)
 916                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 917                this->controller->layers[999]->remove_surface(id);
 918
 919                // Add to FG layer (1001)
 920                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 921                this->controller->layers[1001]->add_surface(id);
 922
 923                for (int j : this->surface_bg) {
 924                  HMI_DEBUG("wm", "Stored id:%d", j);
 925                }
 926                break;
 927             }
 928          }
 929       }
 930
 931       this->layout_commit();
 932
 933       this->emit_visible(label);
 934       this->emit_activated(label);
 935    }
 936 }
 937
 938 void App::deactivate(int id) {
 939    auto ip = this->controller->sprops.find(id);
 940    if (ip != this->controller->sprops.end()) {
 941       char const *label =
 942          this->lookup_name(id).value_or("unknown-name").c_str();
 943
 944       if ((0 == strcmp(label, "radio"))
 945           || (0 == strcmp(label, "music"))
 946           || (0 == strcmp(label, "video"))
 947           || (0 == strcmp(label, "map"))) {
 948
 949          // Store id
 950          this->surface_bg.push_back(id);
 951
 952          // Remove from FG layer (1001)
 953          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 954          this->controller->layers[1001]->remove_surface(id);
 955
 956          // Add to BG layer (999)
 957          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 958          this->controller->layers[999]->add_surface(id);
 959
 960          for (int j : surface_bg) {
 961             HMI_DEBUG("wm", "Stored id:%d", j);
 962          }
 963       }
 964       else {
 965          this->controller->surfaces[id]->set_visibility(0);
 966       }
 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     auto const &id = this->lookup_id(role.c_str());
 977     if (!id) {
 978       HMI_ERROR("wm", "Surface does not exist");
 979       return;
 980     }
 981     std::string drawing_name = this->role2drawingname_[role];
 982     HMI_DEBUG("wm", "Deactivate role:%s (drawing_name:%s)",
 983               role.c_str(), drawing_name.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* drawing_name = this->role2drawingname_[role].c_str();
1166     this->emit_syncdraw(drawing_name, 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