src/app.cpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "app.hpp"
  18 #include "json_helper.hpp"
  19 #include "layers.hpp"
  20 #include "layout.hpp"
  21 #include "util.hpp"
  22 #include "wayland_ivi_wm.hpp"
  23
  24 #include <cstdio>
  25 #include <memory>
  26
  27 #include <cassert>
  28
  29 #include <json-c/json.h>
  30
  31 #include <algorithm>
  32 #include <csignal>
  33 #include <fstream>
  34 #include <json.hpp>
  35 #include <regex>
  36 #include <thread>
  37 #include <string>
  38
  39
  40 namespace wm {
  41
  42 /* DrawingArea name used by "{layout}.{area}" */
  43 const char kNameLayoutNormal[] = "normal";
  44 const char kNameLayoutSplit[]  = "split";
  45 const char kNameAreaFull[]     = "full";
  46 const char kNameAreaMain[]     = "main";
  47 const char kNameAreaSub[]      = "sub";
  48
  49 /* Key for json obejct */
  50 const char kKeyDrawingName[] = "drawing_name";
  51 const char kKeyDrawingArea[] = "drawing_area";
  52 const char kKeyDrawingRect[] = "drawing_rect";
  53 const char kKeyX[]           = "x";
  54 const char kKeyY[]           = "y";
  55 const char kKeyWidth[]       = "width";
  56 const char kKeyHeight[]      = "height";
  57 const char kKeyWidthPixel[]  = "width_pixel";
  58 const char kKeyHeightPixel[] = "height_pixel";
  59 const char kKeyWidthMm[]     = "width_mm";
  60 const char kKeyHeightMm[]    = "height_mm";
  61
  62
  63 namespace {
  64
  65 using nlohmann::json;
  66
  67 result<json> file_to_json(char const *filename) {
  68    json j;
  69    std::ifstream i(filename);
  70    if (i.fail()) {
  71       HMI_DEBUG("wm", "Could not open config file, so use default layer information");
  72       j = default_layers_json;
  73    }
  74    else {
  75       i >> j;
  76    }
  77
  78    return Ok(j);
  79 }
  80
  81 struct result<layer_map> load_layer_map(char const *filename) {
  82    HMI_DEBUG("wm", "loading IDs from %s", filename);
  83
  84    auto j = file_to_json(filename);
  85    if (j.is_err()) {
  86       return Err<layer_map>(j.unwrap_err());
  87    }
  88    json jids = j.unwrap();
  89
  90    return to_layer_map(jids);
  91 }
  92
  93 }  // namespace
  94
  95
  96 /**
  97  * App Impl
  98  */
  99 App::App(wl::display *d)
 100    : chooks{this},
 101      display{d},
 102      controller{},
 103      outputs(),
 104      config(),
 105      layers(),
 106      id_alloc{},
 107      pending_events(false),
 108      policy{} {
 109    try {
 110       {
 111          auto l = load_layer_map(
 112             this->config.get_string("layers.json").value().c_str());
 113          if (l.is_ok()) {
 114             this->layers = l.unwrap();
 115          } else {
 116             HMI_ERROR("wm", "%s", l.err().value());
 117          }
 118       }
 119    } catch (std::exception &e) {
 120       HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
 121    }
 122
 123    // Initialize current car info
 124    this->crr_car_info_.parking_brake_stt = true;
 125    this->crr_car_info_.accel_pedal_stt = false;
 126    this->crr_car_info_.accel_pedal_pos = 0;
 127    this->crr_car_info_.car_stt = "stop";
 128    this->crr_car_info_.headlamp_stt = false;
 129 }
 130
 131 int App::init() {
 132    if (!this->display->ok()) {
 133       return -1;
 134    }
 135
 136    if (this->layers.mapping.empty()) {
 137       HMI_ERROR("wm", "No surface -> layer mapping loaded");
 138       return -1;
 139    }
 140
 141 #if 1 // @@@@@
 142    // Load app.db
 143    this->loadAppDb();
 144 #endif
 145
 146    // Initialize PolicyManager
 147    this->pm_.initialize();
 148
 149    // Initialize LayoutManager
 150    this->lm_.initialize();
 151
 152    // Make afb event
 153    for (int i=Event_Val_Min; i<=Event_Val_Max; i++) {
 154       map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
 155    }
 156
 157    this->display->add_global_handler(
 158       "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
 159          this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
 160       });
 161
 162    this->display->add_global_handler(
 163       "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
 164          this->controller =
 165             std::make_unique<struct compositor::controller>(r, name, v);
 166
 167          // Init controller hooks
 168          this->controller->chooks = &this->chooks;
 169
 170          // This protocol needs the output, so lets just add our mapping here...
 171          this->controller->add_proxy_to_id_mapping(
 172             this->outputs.back()->proxy.get(),
 173             wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
 174                this->outputs.back()->proxy.get())));
 175
 176          // Create screen
 177          this->controller->create_screen(this->outputs.back()->proxy.get());
 178
 179          // Set display to controller
 180          this->controller->display = this->display;
 181       });
 182
 183    // First level objects
 184    this->display->roundtrip();
 185    // Second level objects
 186    this->display->roundtrip();
 187    // Third level objects
 188    this->display->roundtrip();
 189
 190    return init_layers();
 191 }
 192
 193 int App::dispatch_pending_events() {
 194    if (this->pop_pending_events()) {
 195       this->display->dispatch_pending();
 196       return 0;
 197    }
 198    return -1;
 199 }
 200
 201 bool App::pop_pending_events() {
 202    bool x{true};
 203    return this->pending_events.compare_exchange_strong(
 204       x, false, std::memory_order_consume);
 205 }
 206
 207 void App::set_pending_events() {
 208    this->pending_events.store(true, std::memory_order_release);
 209 }
 210
 211 optional<int> App::lookup_id(char const *name) {
 212    return this->id_alloc.lookup(std::string(name));
 213 }
 214 optional<std::string> App::lookup_name(int id) {
 215    return this->id_alloc.lookup(id);
 216 }
 217
 218 /**
 219  * init_layers()
 220  */
 221 int App::init_layers() {
 222    if (!this->controller) {
 223       HMI_ERROR("wm", "ivi_controller global not available");
 224       return -1;
 225    }
 226
 227    if (this->outputs.empty()) {
 228       HMI_ERROR("wm", "no output was set up!");
 229       return -1;
 230    }
 231
 232    auto &c = this->controller;
 233
 234    auto &o = this->outputs.front();
 235    auto &s = c->screens.begin()->second;
 236    auto &layers = c->layers;
 237
 238    // Write output dimensions to ivi controller...
 239    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
 240    c->physical_size = compositor::size{uint32_t(o->physical_width),
 241                                        uint32_t(o->physical_height)};
 242
 243    // Clear scene
 244    layers.clear();
 245
 246    // Clear screen
 247    s->clear();
 248
 249    // Quick and dirty setup of layers
 250    for (auto const &i : this->layers.mapping) {
 251       c->layer_create(i.second.layer_id, o->width, o->height);
 252       auto &l = layers[i.second.layer_id];
 253       l->set_destination_rectangle(0, 0, o->width, o->height);
 254       l->set_visibility(1);
 255       HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
 256                i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
 257    }
 258
 259    // Add layers to screen
 260    s->set_render_order(this->layers.layers);
 261
 262    this->layout_commit();
 263
 264    return 0;
 265 }
 266
 267 void App::layout_commit() {
 268    this->controller->commit_changes();
 269    this->display->flush();
 270 }
 271
 272 void App::allocateWindowResource(char const *event, char const *drawing_name,
 273                                  char const *drawing_area, char const *role,
 274                                  const reply_func &reply) {
 275     const char* new_role = nullptr;
 276     const char* new_area = nullptr;
 277
 278     if (0 == strcmp("activate", event)) {
 279         // TODO:
 280         // This process will be removed
 281         // because the applications will specify role instead of drawing_name
 282         {
 283             if ((nullptr == role) || (0 == strcmp("", role))) {
 284                 HMI_DEBUG("wm", "Role is not specified, so get by using app name");
 285                 new_role = this->app2role_[drawing_name].c_str();
 286             }
 287             else {
 288                 new_role = role;
 289             }
 290             HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
 291         }
 292
 293         // TODO:
 294         // This process will be removed
 295         // because the area "normal.full" and "normalfull" will be prohibited
 296         {
 297             if (0 == strcmp("Restriction", drawing_name)) {
 298                 new_area = drawing_area;
 299             }
 300             else {
 301                 if (nullptr == drawing_area) {
 302                     new_area = "normal";
 303                 }
 304                 else if (0 == strcmp("normal.full", drawing_area)) {
 305                     new_area = "normal";
 306                 }
 307                 else if (0 == strcmp("restriction.split.sub", drawing_area)) {
 308                     new_area = "restriction.split.sub";
 309                 }
 310                 else if (0 == strcmp("homescreen", new_role)) {
 311                     // Now homescreen specifies "normalfull"
 312                     new_area = "full";
 313                 }
 314                 else {
 315                     new_area = "normal";
 316                 }
 317             }
 318             HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
 319         }
 320     }
 321     else if (0 == strcmp("deactivate", event)) {
 322         // TODO:
 323         // This process will be removed
 324         // because the applications will specify role instead of drawing_name
 325         {
 326             if ((nullptr == role) || (0 == strcmp("", role))) {
 327                 HMI_DEBUG("wm", "Role is not specified, so get by using app name");
 328                 new_role = this->app2role_[drawing_name].c_str();
 329             }
 330             else {
 331                 new_role = role;
 332             }
 333             HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
 334         }
 335         new_area = "";
 336     }
 337
 338     // TODO:
 339     // Check role
 340
 341     // TODO:
 342     // If event is "activate" and area is not specifid,
 343     // get default value by using role
 344
 345     // Check Policy
 346     json_object* json_in = json_object_new_object();
 347     json_object* json_out = json_object_new_object();
 348     json_object_object_add(json_in, "event", json_object_new_string(event));
 349
 350     if (nullptr != new_role) {
 351         json_object_object_add(json_in, "role", json_object_new_string(new_role));
 352     }
 353     if (nullptr != new_area) {
 354         json_object_object_add(json_in, "area", json_object_new_string(new_area));
 355     }
 356
 357     int ret = this->pm_.checkPolicy(json_in, &json_out);
 358     if (0 > ret) {
 359         reply("Error checkPolicy()");
 360         return;
 361     }
 362     else {
 363         HMI_DEBUG("wm", "result: %s", json_object_get_string(json_out));
 364     }
 365
 366     // Release json_object
 367     json_object_put(json_in);
 368
 369     // Check parking brake state
 370     json_object* json_parking_brake;
 371     if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
 372         reply("Not found key \"parking_brake\"");
 373         return;
 374     }
 375
 376     json_bool is_changed;
 377     is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
 378     if (is_changed) {
 379         std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
 380         HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
 381
 382         // Update state and emit event
 383         if ("parking_brake_off" == parking_brake_state) {
 384             this->crr_car_info_.parking_brake_stt = false;
 385             this->emitParkingBrakeOff();
 386         }
 387         else if ("parking_brake_on" == parking_brake_state) {
 388             this->crr_car_info_.parking_brake_stt = true;
 389             this->emitParkingBrakeOn();
 390         }
 391         else {
 392             reply("Unknown parking brake state");
 393             return;
 394         }
 395     }
 396
 397     // Check accelerator pedal state
 398     json_object* json_accel_pedal;
 399     if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
 400         reply("Not found key \"accel_pedal\"");
 401         return;
 402     }
 403
 404     is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
 405     if (is_changed) {
 406         std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
 407         HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
 408
 409         // Update state
 410         if ("accel_pedal_off" == accel_pedal_state) {
 411             this->crr_car_info_.accel_pedal_stt = false;
 412         }
 413         else if ("accel_pedal_on" == accel_pedal_state) {
 414             this->crr_car_info_.accel_pedal_stt = true;
 415         }
 416         else {
 417             reply("Unknown accel pedal state");
 418             return;
 419         }
 420     }
 421
 422     // Check car state
 423     json_object* json_car;
 424     if (!json_object_object_get_ex(json_out, "car", &json_car)) {
 425         reply("Not found key \"car\"");
 426         return;
 427     }
 428
 429     is_changed = jh::getBoolFromJson(json_car, "is_changed");
 430     if (is_changed) {
 431         std::string car_state = jh::getStringFromJson(json_car, "state");
 432         HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
 433
 434         // Emit car event
 435         if ("car_stop" == car_state) {
 436             this->crr_car_info_.car_stt = "stop";
 437             this->emitCarStop();
 438         }
 439         else if ("car_run" == car_state) {
 440             this->crr_car_info_.car_stt = "run";
 441             this->emitCarRun();
 442         }
 443         else {
 444             reply("Unknown car state");
 445             return;
 446         }
 447     }
 448
 449     // Check lamp state
 450     json_object* json_lamp;
 451     if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
 452         reply("Not found key \"lamp\"");
 453         return;
 454     }
 455
 456     is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
 457     if (is_changed) {
 458         std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
 459         HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
 460
 461         // Update state and emit event
 462         if ("lamp_off" == lamp_state) {
 463             this->crr_car_info_.headlamp_stt = false;
 464             this->emitHeadlampOff();
 465         }
 466         else if ("lamp_on" == lamp_state) {
 467             this->crr_car_info_.headlamp_stt = true;
 468             this->emitHeadlampOn();
 469         }
 470         else {
 471             reply("Unknown lamp state");
 472             return;
 473         }
 474     }
 475
 476     // Get category
 477     const char* category = nullptr;
 478     std::string str_category;
 479     if (nullptr != new_role) {
 480         str_category = this->pm_.roleToCategory(new_role);
 481         category = str_category.c_str();
 482         HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
 483     }
 484
 485     // Update layout
 486     if (this->lm_.updateLayout(json_out, new_role, category)) {
 487         HMI_DEBUG("wm", "Layer is changed!!");
 488
 489         // Allocate surface
 490         this->allocateSurface();
 491     }
 492     else {
 493         HMI_DEBUG("wm", "All layer is NOT changed!!");
 494     }
 495
 496     // Release json_object
 497     json_object_put(json_out);
 498
 499     return;
 500 }
 501
 502 void App::enqueue_flushdraw(int surface_id) {
 503    this->check_flushdraw(surface_id);
 504    HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
 505    this->pending_end_draw.push_back(surface_id);
 506 }
 507
 508 void App::check_flushdraw(int surface_id) {
 509    auto i = std::find(std::begin(this->pending_end_draw),
 510                       std::end(this->pending_end_draw), surface_id);
 511    if (i != std::end(this->pending_end_draw)) {
 512       auto n = this->lookup_name(surface_id);
 513       HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
 514                n ? n->c_str() : "unknown-name", surface_id);
 515       std::swap(this->pending_end_draw[std::distance(
 516                    std::begin(this->pending_end_draw), i)],
 517                 this->pending_end_draw.back());
 518       this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
 519    }
 520 }
 521
 522 void App::api_enddraw(char const *drawing_name) {
 523    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
 524       auto n = this->lookup_name(this->pending_end_draw[i]);
 525       if (n && *n == drawing_name) {
 526          std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
 527          this->pending_end_draw.resize(iend - 1);
 528          this->activate(this->pending_end_draw[i]);
 529          this->emit_flushdraw(drawing_name);
 530       }
 531    }
 532 }
 533
 534 void App::api_ping() { this->dispatch_pending_events(); }
 535
 536 void App::send_event(char const *evname){
 537    HMI_DEBUG("wm", "%s: %s", __func__, evname);
 538
 539    int ret = afb_event_push(this->map_afb_event[evname], nullptr);
 540    if (ret != 0) {
 541       HMI_DEBUG("wm", "afb_event_push failed: %m");
 542    }
 543 }
 544
 545 void App::send_event(char const *evname, char const *label){
 546    HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
 547
 548    json_object *j = json_object_new_object();
 549    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 550
 551    int ret = afb_event_push(this->map_afb_event[evname], j);
 552    if (ret != 0) {
 553       HMI_DEBUG("wm", "afb_event_push failed: %m");
 554    }
 555 }
 556
 557 void App::send_event(char const *evname, char const *label, char const *area,
 558                              int x, int y, int w, int h) {
 559    HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
 560              __func__, evname, label, area, x, y, w, h);
 561
 562    json_object *j_rect = json_object_new_object();
 563    json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
 564    json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
 565    json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
 566    json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 567
 568    json_object *j = json_object_new_object();
 569    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
 570    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
 571    json_object_object_add(j, kKeyDrawingRect, j_rect);
 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 /**
 580  * proxied events
 581  */
 582 void App::surface_created(uint32_t surface_id) {
 583    auto layer_id = this->layers.get_layer_id(surface_id);
 584    if (!layer_id) {
 585       HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
 586                surface_id);
 587       return;
 588    }
 589
 590    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
 591
 592    this->controller->layers[*layer_id]->add_surface(surface_id);
 593    this->layout_commit();
 594    // activate the main_surface right away
 595    /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
 596       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
 597
 598       this->api_activate_surface(
 599          this->lookup_name(surface_id).value_or("unknown-name").c_str());
 600    }*/
 601 }
 602
 603 void App::surface_removed(uint32_t surface_id) {
 604    HMI_DEBUG("wm", "surface_id is %u", surface_id);
 605
 606    // We cannot normally deactivate the main_surface, so be explicit
 607    // about it:
 608    if (int(surface_id) == this->layers.main_surface) {
 609       this->deactivate_main_surface();
 610    } else {
 611       auto drawing_name = this->lookup_name(surface_id);
 612       if (drawing_name) {
 613          this->allocateWindowResource("deactivate", drawing_name->c_str(),
 614                                       nullptr, nullptr,
 615                                       [](const char*){});
 616       }
 617    }
 618
 619    this->id_alloc.remove_id(surface_id);
 620    this->layers.remove_surface(surface_id);
 621 }
 622
 623 void App::emit_activated(char const *label) {
 624    this->send_event(kListEventName[Event_Active], label);
 625 }
 626
 627 void App::emit_deactivated(char const *label) {
 628    this->send_event(kListEventName[Event_Inactive], label);
 629 }
 630
 631 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
 632    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 633 }
 634
 635 void App::emit_flushdraw(char const *label) {
 636    this->send_event(kListEventName[Event_FlushDraw], label);
 637 }
 638
 639 void App::emit_visible(char const *label, bool is_visible) {
 640    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
 641 }
 642
 643 void App::emit_invisible(char const *label) {
 644    return emit_visible(label, false);
 645 }
 646
 647 void App::emit_visible(char const *label) { return emit_visible(label, true); }
 648
 649 void App::emitHeadlampOff() {
 650     // Send HeadlampOff event for all application
 651     this->send_event(kListEventName[Event_HeadlampOff]);
 652 }
 653
 654 void App::emitHeadlampOn() {
 655     // Send HeadlampOn event for all application
 656     this->send_event(kListEventName[Event_HeadlampOn]);
 657 }
 658
 659 void App::emitParkingBrakeOff() {
 660     // Send ParkingBrakeOff event for all application
 661     this->send_event(kListEventName[Event_ParkingBrakeOff]);
 662 }
 663
 664 void App::emitParkingBrakeOn() {
 665     // Send ParkingBrakeOn event for all application
 666     this->send_event(kListEventName[Event_ParkingBrakeOn]);
 667 }
 668
 669 void App::emitCarStop() {
 670     // Send CarStop event for all application
 671     this->send_event(kListEventName[Event_CarStop]);
 672 }
 673
 674 void App::emitCarRun() {
 675     // Send CarRun event for all application
 676     this->send_event(kListEventName[Event_CarRun]);
 677 }
 678
 679 result<int> App::api_request_surface(char const *drawing_name) {
 680    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 681    if (!lid) {
 682       /**
 683        * register drawing_name as fallback and make it displayed.
 684        */
 685       lid = this->layers.get_layer_id(std::string("Fallback"));
 686       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 687       if(!lid){
 688           return Err<int>("Drawing name does not match any role, Fallback is disabled");
 689       }
 690    }
 691
 692    auto rname = this->lookup_id(drawing_name);
 693    if (!rname) {
 694       // name does not exist yet, allocate surface id...
 695       auto id = int(this->id_alloc.generate_id(drawing_name));
 696       this->layers.add_surface(id, *lid);
 697
 698       // set the main_surface[_name] here and now
 699       if (!this->layers.main_surface_name.empty() &&
 700           this->layers.main_surface_name == drawing_name) {
 701          this->layers.main_surface = id;
 702          HMI_DEBUG("wm", "Set main_surface id to %u", id);
 703       }
 704
 705 #if 0 // @@@@@
 706       // TODO:
 707       // This process will be implemented in SystemManager
 708       {
 709           // Generate app id
 710           auto id = int(this->app_id_alloc_.generate_id(drawing_name));
 711           this->appname2appid_[drawing_name] = id;
 712       }
 713 #endif
 714
 715       // Set map of (role, surface_id)
 716       std::string role = this->app2role_[std::string(drawing_name)];
 717       this->role2surfaceid_[role] = id;
 718
 719       // Set map of (role, app)
 720       // If the new app which has the same role which is had by existing app is requested,
 721       // the role is given to the new app.
 722       this->role2app_[role] = std::string(drawing_name);
 723
 724       return Ok<int>(id);
 725    }
 726
 727    // Check currently registered drawing names if it is already there.
 728    return Err<int>("Surface already present");
 729 }
 730
 731 char const *App::api_request_surface(char const *drawing_name,
 732                                      char const *ivi_id) {
 733    ST();
 734
 735    auto lid = this->layers.get_layer_id(std::string(drawing_name));
 736    unsigned sid = std::stol(ivi_id);
 737
 738    if (!lid) {
 739       /**
 740        * register drawing_name as fallback and make it displayed.
 741        */
 742       lid = this->layers.get_layer_id(std::string("Fallback"));
 743       HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
 744       if(!lid){
 745           return "Drawing name does not match any role, Fallback is disabled";
 746       }
 747    }
 748
 749    auto rname = this->lookup_id(drawing_name);
 750
 751    if (rname) {
 752        return "Surface already present";
 753    }
 754
 755    // register pair drawing_name and ivi_id
 756    this->id_alloc.register_name_id(drawing_name, sid);
 757    this->layers.add_surface(sid, *lid);
 758
 759    // this surface is already created
 760    HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
 761
 762    this->controller->layers[*lid]->add_surface(sid);
 763    this->layout_commit();
 764
 765    return nullptr;
 766 }
 767
 768 result<json_object *> App::api_get_display_info() {
 769    // Check controller
 770    if (!this->controller) {
 771       return Err<json_object *>("ivi_controller global not available");
 772    }
 773
 774    // Set display info
 775    compositor::size o_size = this->controller->output_size;
 776    compositor::size p_size = this->controller->physical_size;
 777
 778    json_object *object = json_object_new_object();
 779    json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
 780    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
 781    json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
 782    json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
 783
 784    return Ok<json_object *>(object);
 785 }
 786
 787 result<json_object *> App::api_get_area_info(char const *drawing_name) {
 788    HMI_DEBUG("wm", "called");
 789
 790    // Check drawing name, surface/layer id
 791    auto const &surface_id = this->lookup_id(drawing_name);
 792    if (!surface_id) {
 793       return Err<json_object *>("Surface does not exist");
 794    }
 795
 796    if (!this->controller->surface_exists(*surface_id)) {
 797       return Err<json_object *>("Surface does not exist in controller!");
 798    }
 799
 800    auto layer_id = this->layers.get_layer_id(*surface_id);
 801    if (!layer_id) {
 802       return Err<json_object *>("Surface is not on any layer!");
 803    }
 804
 805    auto o_state = *this->layers.get_layout_state(*surface_id);
 806    if (o_state == nullptr) {
 807       return Err<json_object *>("Could not find layer for surface");
 808    }
 809
 810    // Set area rectangle
 811    compositor::rect area_info = this->area_info[*surface_id];
 812    json_object *object = json_object_new_object();
 813    json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
 814    json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
 815    json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
 816    json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
 817
 818    return Ok<json_object *>(object);
 819 }
 820
 821 result<json_object *> App::api_get_car_info(char const *label) {
 822     HMI_DEBUG("wm", "called");
 823
 824     json_object *j_in  = nullptr;
 825     json_object *j_out = nullptr;
 826
 827     if (0 == strcmp("parking_brake_status", label)) {
 828         // Get parking brake status
 829         json_bool val = this->crr_car_info_.parking_brake_stt;
 830         j_in = json_object_new_boolean(val);
 831     }
 832     else if (0 == strcmp("accelerator.pedal.position", label)) {
 833         // Get accelerator pedal position
 834         double val = this->crr_car_info_.accel_pedal_pos;
 835         j_in = json_object_new_double(val);
 836     }
 837     else if (0 == strcmp("car_state", label)) {
 838         // Get car state
 839         const char* val = this->crr_car_info_.car_stt;
 840         j_in = json_object_new_string(val);
 841     }
 842     else {
 843        return Err<json_object *>("Car info does not exist");
 844     }
 845
 846     // Create output object
 847     j_out = json_object_new_object();
 848     json_object_object_add(j_out, "value", j_in);
 849
 850     return Ok<json_object *>(j_out);
 851 }
 852
 853 void App::activate(int id) {
 854    auto ip = this->controller->sprops.find(id);
 855    if (ip != this->controller->sprops.end()) {
 856       this->controller->surfaces[id]->set_visibility(1);
 857       char const *label =
 858          this->lookup_name(id).value_or("unknown-name").c_str();
 859
 860       // FOR CES DEMO >>>
 861       if ((0 == strcmp(label, "Radio"))
 862           || (0 == strcmp(label, "MediaPlayer"))
 863           || (0 == strcmp(label, "Music"))
 864           || (0 == strcmp(label, "Navigation"))) {
 865         for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
 866             if (id == *i) {
 867                // Remove id
 868                this->surface_bg.erase(i);
 869
 870                // Remove from BG layer (999)
 871                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
 872                this->controller->layers[999]->remove_surface(id);
 873
 874                // Add to FG layer (1001)
 875                HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
 876                this->controller->layers[1001]->add_surface(id);
 877
 878                for (int j : this->surface_bg) {
 879                  HMI_DEBUG("wm", "Stored id:%d", j);
 880                }
 881                break;
 882             }
 883          }
 884       }
 885       // <<< FOR CES DEMO
 886       this->layout_commit();
 887
 888       this->emit_visible(label);
 889       this->emit_activated(label);
 890    }
 891 }
 892
 893 void App::deactivate(int id) {
 894    auto ip = this->controller->sprops.find(id);
 895    if (ip != this->controller->sprops.end()) {
 896       char const *label =
 897          this->lookup_name(id).value_or("unknown-name").c_str();
 898
 899       // FOR CES DEMO >>>
 900       if ((0 == strcmp(label, "Radio"))
 901           || (0 == strcmp(label, "MediaPlayer"))
 902           || (0 == strcmp(label, "Music"))
 903           || (0 == strcmp(label, "Navigation"))) {
 904
 905          // Store id
 906          this->surface_bg.push_back(id);
 907
 908          // Remove from FG layer (1001)
 909          HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
 910          this->controller->layers[1001]->remove_surface(id);
 911
 912          // Add to BG layer (999)
 913          HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
 914          this->controller->layers[999]->add_surface(id);
 915
 916          for (int j : surface_bg) {
 917             HMI_DEBUG("wm", "Stored id:%d", j);
 918          }
 919       }
 920       else {
 921          this->controller->surfaces[id]->set_visibility(0);
 922       }
 923       // <<< FOR CES DEMO
 924
 925       this->layout_commit();
 926
 927       this->emit_deactivated(label);
 928       this->emit_invisible(label);
 929    }
 930 }
 931
 932 void App::deactivate(std::string role) {
 933     std::string app = this->role2app_[role];
 934     auto const &id = this->lookup_id(app.c_str());
 935     if (!id) {
 936       HMI_ERROR("wm", "Surface does not exist");
 937       return;
 938     }
 939     HMI_DEBUG("wm", "Deactivate role:%s (app:%s)",
 940               role.c_str(), app.c_str());
 941
 942     this->deactivate(*id);
 943 }
 944
 945 void App::deactivate_main_surface() {
 946    this->layers.main_surface = -1;
 947    this->allocateWindowResource("deactivate", this->layers.main_surface_name.c_str(),
 948                                 nullptr, nullptr,
 949                                 [](const char*){});
 950 }
 951
 952 /**
 953  * controller_hooks
 954  */
 955 void controller_hooks::surface_created(uint32_t surface_id) {
 956    this->app->surface_created(surface_id);
 957 }
 958
 959 void controller_hooks::surface_removed(uint32_t surface_id) {
 960    this->app->surface_removed(surface_id);
 961 }
 962
 963 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
 964                                           uint32_t /*v*/) {}
 965
 966 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
 967                                                      uint32_t /*x*/,
 968                                                      uint32_t /*y*/,
 969                                                      uint32_t /*w*/,
 970                                                      uint32_t /*h*/) {}
 971
 972 int App::allocateSurface() {
 973     HMI_DEBUG("wm", "Call");
 974
 975     // Get current/previous layers
 976     LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
 977     LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
 978
 979     // Update resource of all layers
 980     for (auto itr_layers = crr_layers.begin();
 981          itr_layers != crr_layers.end(); ++itr_layers) {
 982         // Get layer
 983         std::string layer = itr_layers->first;
 984         HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
 985
 986         // If layout is changed, update resouce
 987         if (this->lm_.isLayoutChanged(layer.c_str())) {
 988             // Get current/previous layout
 989             LayoutManager::TypeLayouts crr_layout = itr_layers->second;
 990             LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
 991
 992             // Get current/previous layout name
 993             std::string crr_layout_name = crr_layout.begin()->first;
 994             std::string prv_layout_name = prv_layout.begin()->first;
 995             HMI_DEBUG("wm", "layout name crr:%s prv:%s",
 996                       crr_layout_name.c_str(), prv_layout_name.c_str());
 997
 998             // Get current/previous ares
 999             LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
1000             LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
1001
1002             // Create previous displayed role list
1003             std::string prv_area_name;
1004             std::vector<std::string> prv_role_list;
1005             for (auto itr_areas = prv_areas.begin();
1006                  itr_areas != prv_areas.end(); ++itr_areas) {
1007                 prv_area_name = itr_areas->first;
1008                 prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
1009                 HMI_DEBUG("wm", "previous displayed role:%s",
1010                           prv_areas[prv_area_name]["role"].c_str());
1011             }
1012
1013             // Allocate surface for each area
1014             std::string crr_area_name;
1015             std::string crr_role_name;
1016             LayoutManager::TypeRolCtg crr_rol_ctg;
1017             for (auto itr_areas = crr_areas.begin();
1018                  itr_areas != crr_areas.end(); ++itr_areas) {
1019                 crr_area_name = itr_areas->first;
1020                 crr_rol_ctg = itr_areas->second;
1021
1022                 // Get role of current area
1023                 if ("category" == crr_rol_ctg.begin()->first) {
1024                     // If current area have category
1025                     // Get category name
1026                     std::string crr_ctg = crr_rol_ctg.begin()->second;
1027
1028                     // Serch relevant role from previous displayed role list
1029                     for (auto itr_role = prv_role_list.begin();
1030                          itr_role != prv_role_list.end(); ++itr_role) {
1031                         std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
1032                         if (crr_ctg == prv_ctg) {
1033                             // First discovered role is set to current role
1034                             crr_role_name = *itr_role;
1035
1036                             // Delete used role for other areas
1037                             // which have same category
1038                             prv_role_list.erase(itr_role);
1039
1040                             break;
1041                         }
1042                     }
1043                 }
1044                 else {
1045                     crr_role_name = itr_areas->second["role"];
1046                 }
1047                 HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
1048                           crr_area_name.c_str(), crr_role_name.c_str());
1049
1050                 // Deactivate non-displayed role
1051                 std::string prv_role_name;
1052                 if (crr_layout_name == prv_layout_name) {
1053                     HMI_DEBUG("wm", "Current layout is same with previous");
1054
1055                     // Deactivate previous role in same area
1056                     // if it is different with current
1057                     prv_role_name = prv_areas[crr_area_name]["role"];
1058                     if (crr_role_name != prv_role_name) {
1059                         this->deactivate(prv_role_name);
1060                     }
1061                 }
1062                 else {
1063                     HMI_DEBUG("wm", "Current layout is different with previous");
1064
1065                     if ("none" != prv_layout_name) {
1066                         // Deactivate previous role in all area in previous layout
1067                         // if it is different with current role
1068                         for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
1069                             prv_role_name = itr->second["role"].c_str();
1070                             if (crr_role_name != prv_role_name) {
1071                                 this->deactivate(prv_role_name);
1072                             }
1073                         }
1074                     }
1075                 }
1076
1077                 // Set surface for displayed role
1078                 if ("none" != crr_layout_name) {
1079                     // If current layout is not "none",
1080                     // set surface for current role
1081                     this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
1082
1083                     // TODO:
1084                     // This API is workaround.
1085                     // Resource manager should manage each resource infomations
1086                     // according to architecture document.
1087                     this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
1088                 }
1089             }
1090         }
1091     }
1092     return 0;
1093 }
1094
1095 void App::setSurfaceSize(const char* role, const char* area) {
1096     HMI_DEBUG("wm", "role:%s area:%s", role, area);
1097
1098     // Get size of current area
1099     compositor::rect size = this->lm_.getAreaSize(area);
1100
1101     // Set destination to the display rectangle
1102     int surface_id = this->role2surfaceid_[role];
1103     auto &s = this->controller->surfaces[surface_id];
1104     s->set_destination_rectangle(size.x, size.y, size.w, size.h);
1105     this->layout_commit();
1106
1107     // Update area information
1108     this->area_info[surface_id].x = size.x;
1109     this->area_info[surface_id].y = size.y;
1110     this->area_info[surface_id].w = size.w;
1111     this->area_info[surface_id].h = size.h;
1112     HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
1113               size.x, size.y, size.w, size.h);
1114
1115     // Emit syncDraw event
1116     const char* app = this->role2app_[role].c_str();
1117     this->emit_syncdraw(app, area,
1118                         size.x, size.y, size.w, size.h);
1119
1120     // Enqueue flushDraw event
1121     this->enqueue_flushdraw(surface_id);
1122 }
1123
1124 void App::setAccelPedalPos(double val) {
1125     this->crr_car_info_.accel_pedal_pos = val;
1126 }
1127
1128 extern const char* kDefaultAppDb;
1129 int App::loadAppDb() {
1130     HMI_DEBUG("wm", "Call");
1131
1132     // Get afm application installed dir
1133     char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
1134     HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
1135
1136     std::string file_name;
1137     if (!afm_app_install_dir) {
1138         HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
1139     }
1140     else {
1141         file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
1142     }
1143
1144     // Load app.db
1145     json_object* json_obj;
1146     int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
1147     if (0 > ret) {
1148         HMI_ERROR("wm", "Could not open app.db, so use default role information");
1149         json_obj = json_tokener_parse(kDefaultAppDb);
1150     }
1151     HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
1152
1153     // Perse apps
1154     HMI_DEBUG("wm", "Perse apps");
1155     json_object* json_cfg;
1156     if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
1157         HMI_ERROR("wm", "Parse Error!!");
1158         return -1;
1159     }
1160
1161     int len = json_object_array_length(json_cfg);
1162     HMI_DEBUG("wm", "json_cfg len:%d", len);
1163     HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
1164
1165     for (int i=0; i<len; i++) {
1166         json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
1167         HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
1168
1169         const char* app = jh::getStringFromJson(json_tmp, "name");
1170         if (nullptr == app) {
1171             HMI_ERROR("wm", "Parse Error!!");
1172             return -1;
1173         }
1174         HMI_DEBUG("wm", "> app:%s", app);
1175
1176         const char* role = jh::getStringFromJson(json_tmp, "role");
1177         if (nullptr == role) {
1178             HMI_ERROR("wm", "Parse Error!!");
1179             return -1;
1180         }
1181         HMI_DEBUG("wm", "> role:%s", role);
1182
1183         this->app2role_[app] = std::string(role);
1184     }
1185
1186     // Check
1187     for(auto itr = this->app2role_.begin();
1188       itr != this->app2role_.end(); ++itr) {
1189         HMI_DEBUG("wm", "app:%s role:%s",
1190                   itr->first.c_str(), itr->second.c_str());
1191     }
1192
1193     // Release json_object
1194     json_object_put(json_obj);
1195
1196     return 0;
1197 }
1198
1199
1200 const char* kDefaultAppDb = "{ \
1201     \"apps\": [ \
1202         { \
1203             \"name\": \"HomeScreen\", \
1204             \"role\": \"homescreen\" \
1205         }, \
1206         { \
1207             \"name\": \"Music\", \
1208             \"role\": \"music\" \
1209         }, \
1210         { \
1211             \"name\": \"MediaPlayer\", \
1212             \"role\": \"music\" \
1213         }, \
1214         { \
1215             \"name\": \"Video\", \
1216             \"role\": \"video\" \
1217         }, \
1218         { \
1219             \"name\": \"VideoPlayer\", \
1220             \"role\": \"video\" \
1221         }, \
1222         { \
1223             \"name\": \"WebBrowser\", \
1224             \"role\": \"browser\" \
1225         }, \
1226         { \
1227             \"name\": \"Radio\", \
1228             \"role\": \"radio\" \
1229         }, \
1230         { \
1231             \"name\": \"Phone\", \
1232             \"role\": \"phone\" \
1233         }, \
1234         { \
1235             \"name\": \"Navigation\", \
1236             \"role\": \"map\" \
1237         }, \
1238         { \
1239             \"name\": \"HVAC\", \
1240             \"role\": \"hvac\" \
1241         }, \
1242         { \
1243             \"name\": \"Settings\", \
1244             \"role\": \"settings\" \
1245         }, \
1246         { \
1247             \"name\": \"Dashboard\", \
1248             \"role\": \"dashboard\" \
1249         }, \
1250         { \
1251             \"name\": \"POI\", \
1252             \"role\": \"poi\" \
1253         }, \
1254         { \
1255             \"name\": \"Mixer\", \
1256             \"role\": \"mixer\" \
1257         } \
1258     ] \
1259 }";
1260
1261
1262 }  // namespace wm