src/wm_layer_control.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 #include <assert.h>
  17 #include <unistd.h>
  18 #include "wm_layer_control.hpp"
  19 #include "wm_layer.hpp"
  20 #include "wm_client.hpp"
  21 #include "request.hpp"
  22 #include "json_helper.hpp"
  23
  24 #define LC_AREA_PATH "/etc/areas.db"
  25 #define LC_LAYER_SETTING_PATH "/etc/layers_setting.json"
  26 #define LC_DEFAULT_AREA "fullscreen"
  27
  28 using std::string;
  29 using std::vector;
  30 using std::shared_ptr;
  31
  32 namespace wm {
  33
  34 LayerControl* g_lc_ctxt;
  35
  36 static void createCallback_static(ilmObjectType object,
  37                             t_ilm_uint id,
  38                             t_ilm_bool created,
  39                             void* data)
  40 {
  41     static_cast<LayerControl*>(data)->dispatchCreateEvent(object, id, created);
  42 }
  43
  44 static void surfaceCallback_static(t_ilm_surface surface,
  45             struct ilmSurfaceProperties* surface_prop,
  46             t_ilm_notification_mask mask)
  47 {
  48     g_lc_ctxt->dispatchPropertyChangeEvent(surface, surface_prop, mask);
  49 }
  50
  51 static void layerCallback_static(t_ilm_layer layer,
  52             struct ilmLayerProperties* layer_prop,
  53             t_ilm_notification_mask mask)
  54 {
  55     g_lc_ctxt->dispatchPropertyChangeEvent(layer, layer_prop, mask);
  56 }
  57
  58 LayerControl::LayerControl(const std::string& root)
  59 {
  60     string area_path = root + LC_AREA_PATH;
  61     string layer_path= root + LC_LAYER_SETTING_PATH;
  62     // load layers.setting.json
  63     WMError ret = this->loadLayerSetting(layer_path);
  64     assert(ret == WMError::SUCCESS);
  65     // load area.db
  66     ret = this->loadAreaDb(area_path);
  67     assert(ret == WMError::SUCCESS);
  68 }
  69
  70 WMError LayerControl::init(const LayerControlCallbacks& cb)
  71 {
  72     HMI_DEBUG("Initialize of ilm library and display");
  73     t_ilm_uint num = 0;
  74     t_ilm_uint *ids;
  75     int cnt = 0;
  76     ilmErrorTypes rc = ilm_init();
  77
  78     while (rc != ILM_SUCCESS)
  79     {
  80         cnt++;
  81         if (20 <= cnt)
  82         {
  83             HMI_ERROR("Could not connect to compositor");
  84             goto lc_init_error;
  85         }
  86         HMI_ERROR("Wait to start weston ...");
  87         sleep(1);
  88         rc = ilm_init();
  89     }
  90     if(rc != ILM_SUCCESS) goto lc_init_error;
  91
  92     // Get current screen setting
  93     rc = ilm_getScreenIDs(&num, &ids);
  94
  95     if(rc != ILM_SUCCESS) goto lc_init_error;
  96
  97     for(unsigned i = 0; i < num; i++)
  98     {
  99         HMI_INFO("get screen: %d", ids[i]);
 100     }
 101     // Currently, 0 is only available
 102     this->screenID = ids[0];
 103
 104     rc = ilm_getPropertiesOfScreen(this->screenID, &this->screen_prop);
 105
 106     if(rc != ILM_SUCCESS) goto lc_init_error;
 107
 108     // Register Callback from ILM
 109     this->cb = cb;
 110     ilm_registerNotification(createCallback_static, this);
 111
 112     return WMError::SUCCESS;
 113
 114 lc_init_error:
 115     HMI_ERROR("Failed to initialize. Terminate WM");
 116
 117     return WMError::FAIL;
 118 }
 119
 120 void LayerControl::createNewLayer(unsigned id)
 121 {
 122     HMI_INFO("create new ID :%d", id);
 123     struct rect rct = this->area2size[LC_DEFAULT_AREA];
 124     ilm_layerCreateWithDimension(&id, rct.w, rct.h);
 125     //ilm_layerSetSourceRectangle(id, rct.x, rct.y, rct.w, rct.h);
 126     //ilm_layerSetDestinationRectangle(id, rct.x, rct.y, rct.w, rct.h);
 127     ilm_layerSetOpacity(id, 1.0);
 128     ilm_layerSetVisibility(id, ILM_FALSE);
 129     ilm_commitChanges();
 130     auto wm_layer = getWMLayer(id);
 131     wm_layer->addLayer(id);
 132     this->commitChange();
 133 }
 134
 135 unsigned LayerControl::getNewLayerID(const string& role, string* layer_name)
 136 {
 137     unsigned ret = 0;
 138     for(const auto& l: this->wm_layers)
 139     {
 140         ret = l->getNewLayerID(role);
 141         if(ret != 0)
 142         {
 143             *layer_name = l->layerName();
 144             unsigned uid = l->getUuid();
 145             this->lid2wmlid[ret] = uid;
 146             break;
 147         }
 148     }
 149     return ret;
 150 }
 151
 152 shared_ptr<WMLayer> LayerControl::getWMLayer(unsigned layer)
 153 {
 154     unsigned uuid = this->lid2wmlid[layer];
 155     return this->wm_layers[uuid];
 156 }
 157
 158 struct rect LayerControl::getAreaSize(const std::string& area)
 159 {
 160     return area2size[area];
 161 }
 162
 163 void LayerControl::setupArea(double scaling)
 164 {
 165     struct rect rct;
 166     this->scaling = scaling;
 167
 168     rct = this->area2size["normal.full"];
 169     this->area2size["normalfull"] = rct;
 170     this->area2size["normal"] = rct;
 171
 172     for (auto &i : this->area2size)
 173     {
 174         i.second.x = static_cast<int>(scaling * i.second.x + 0.5);
 175         i.second.y = static_cast<int>(scaling * i.second.y + 0.5);
 176         i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
 177         i.second.h = static_cast<int>(scaling * i.second.h + 0.5);
 178
 179         HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
 180             i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
 181     }
 182 }
 183
 184 Screen LayerControl::getScreenInfo()
 185 {
 186     return Screen(this->screen_prop.screenWidth, this->screen_prop.screenHeight);
 187 }
 188
 189 double LayerControl::scale()
 190 {
 191     return this->scaling;
 192 }
 193
 194 WMError LayerControl::updateLayer(LayerState& layer_state)
 195 {
 196     return WMError::SUCCESS;
 197 }
 198
 199 WMError LayerControl::commitChange()
 200 {
 201     HMI_INFO("Commit change");
 202     WMError rc = WMError::SUCCESS;
 203     vector<unsigned> ivi_l_ids;
 204     for(auto& l : this->wm_layers)
 205     {
 206         auto state = l->getLayerState();
 207         for(const auto& id : state.getIviIdList())
 208         {
 209             ivi_l_ids.push_back(id);
 210         }
 211     }
 212     t_ilm_layer* id_array = new t_ilm_layer[ivi_l_ids.size()];
 213     if(id_array == nullptr)
 214     {
 215         HMI_WARNING("short memory");
 216         this->undoUpdate();
 217         return WMError::FAIL;
 218     }
 219     int count = 0;
 220     for(const auto& i : ivi_l_ids)
 221     {
 222         id_array[count] = i;
 223         HMI_DEBUG("check render order %d", i);
 224         ++count;
 225     }
 226
 227     ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, ivi_l_ids.size());
 228     if(ret != ILM_SUCCESS)
 229     {
 230         this->undoUpdate();
 231         rc = WMError::FAIL;
 232     }
 233     ilm_commitChanges();
 234     delete id_array;
 235     return rc;
 236 }
 237
 238 void LayerControl::undoUpdate() {}
 239
 240 WMError LayerControl::loadLayerSetting(const string &path)
 241 {
 242     HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path);
 243
 244     json_object *json_obj, *json_cfg;
 245     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 246     if (0 > ret)
 247     {
 248         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 249         return WMError::FAIL;
 250     }
 251     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 252
 253     if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
 254     {
 255         HMI_ERROR("Parse Error!!");
 256         return WMError::FAIL;
 257     }
 258
 259     int len = json_object_array_length(json_cfg);
 260     HMI_DEBUG("json_cfg len:%d", len);
 261
 262     for (int i = 0; i < len; i++)
 263     {
 264         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 265         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 266
 267         this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp, i));
 268     }
 269     json_object_put(json_obj);
 270
 271     return WMError::SUCCESS;
 272 }
 273
 274 WMError LayerControl::loadAreaDb(const std::string& path)
 275 {
 276     // Load area.db
 277     json_object *json_obj;
 278     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 279     if (0 > ret)
 280     {
 281         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 282         return WMError::FAIL;
 283     }
 284     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 285
 286     // Perse areas
 287     json_object *json_cfg;
 288     if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
 289     {
 290         HMI_ERROR("Parse Error!!");
 291         return WMError::FAIL;
 292     }
 293
 294     int len = json_object_array_length(json_cfg);
 295     HMI_DEBUG("json_cfg len:%d", len);
 296
 297     const char *area;
 298     for (int i = 0; i < len; i++)
 299     {
 300         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 301         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 302
 303         area = jh::getStringFromJson(json_tmp, "name");
 304         if (nullptr == area)
 305         {
 306             HMI_ERROR("Parse Error!!");
 307             return WMError::FAIL;
 308         }
 309         HMI_DEBUG("> area:%s", area);
 310
 311         json_object *json_rect;
 312         if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
 313         {
 314             HMI_ERROR("Parse Error!!");
 315             return WMError::FAIL;
 316         }
 317         HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));
 318
 319         struct rect area_size;
 320         area_size.x = jh::getIntFromJson(json_rect, "x");
 321         area_size.y = jh::getIntFromJson(json_rect, "y");
 322         area_size.w = jh::getIntFromJson(json_rect, "w");
 323         area_size.h = jh::getIntFromJson(json_rect, "h");
 324
 325         this->area2size[area] = area_size;
 326     }
 327
 328     // Check
 329     for (const auto& itr : this->area2size)
 330     {
 331         HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
 332                   itr.first.c_str(), itr.second.x, itr.second.y,
 333                   itr.second.w, itr.second.h);
 334     }
 335
 336     // Release json_object
 337     json_object_put(json_obj);
 338
 339     return WMError::SUCCESS;
 340 }
 341
 342 WMError LayerControl::layoutChange(const WMAction& action)
 343 {
 344     WMError ret = WMError::FAIL;
 345     if (action.visible == TaskVisible::INVISIBLE)
 346     {
 347         // Visibility is not change -> no redraw is required
 348         return WMError::SUCCESS;
 349     }
 350     if(action.client == nullptr)
 351     {
 352         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 353         return WMError::NOT_REGISTERED;
 354     }
 355     unsigned layer = action.client->layerID();
 356
 357     // Layout Manager
 358     // WMError ret = this->setLayerSize(layer, action.area);
 359     auto rect = this->getAreaSize(action.area);
 360     ilmErrorTypes err = ilm_layerSetDestinationRectangle(layer, rect.x, rect.y, rect.w, rect.h);
 361     for(auto &wm_layer: this->wm_layers)
 362     {
 363         if(wm_layer->hasLayerID(layer))
 364         {
 365             LayerState ls = wm_layer->getLayerState();
 366             ls.setArea(action.client->appID(), action.area);
 367         }
 368     }
 369     if(err == ILM_SUCCESS)
 370     {
 371         ret = WMError::SUCCESS;
 372     }
 373     return ret;
 374 }
 375
 376 WMError LayerControl::visibilityChange(const WMAction& action)
 377 {
 378     WMError ret = WMError::FAIL;
 379     if(action.client == nullptr)
 380     {
 381         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 382         return WMError::NOT_REGISTERED;
 383     }
 384
 385     if (action.visible != TaskVisible::INVISIBLE)
 386     {
 387         ret = this->makeVisible(action.client);
 388     }
 389     else
 390     {
 391         ret = this->makeInvisible(action.client);
 392     }
 393     return ret;
 394 }
 395
 396 void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
 397 {
 398     if (ILM_SURFACE == object)
 399     {
 400         if (created)
 401         {
 402             ilmSurfaceProperties sp;
 403             ilmErrorTypes rc;
 404             rc = ilm_getPropertiesOfSurface(id, &sp);
 405             if(rc != ILM_SUCCESS)
 406                 return;
 407             this->cb.surfaceCreated(sp.creatorPid, id);
 408             ilm_surfaceAddNotification(id, surfaceCallback_static);
 409             ilm_surfaceSetVisibility(id, ILM_TRUE);
 410         }
 411         else
 412         {
 413             // this->cb->surfaceDestroyed(id);
 414         }
 415     }
 416     if (ILM_LAYER == object)
 417     {
 418         if(created)
 419         {
 420             ilm_layerAddNotification(id, layerCallback_static);
 421             // this->cb->layerCreated(id);
 422         }
 423         else
 424         {
 425             // this->cb->layerDestroyed(id); // Means Application is dead.
 426         }
 427     }
 428 }
 429
 430 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 431         struct ilmSurfaceProperties* sprop,
 432         t_ilm_notification_mask mask)
 433 {
 434     pid_t pid = sprop->creatorPid;
 435     HMI_DEBUG("pid : %d", pid);
 436
 437     if (ILM_NOTIFICATION_VISIBILITY & mask)
 438     {
 439         //this->cb->surfaceVisibilityChanged(id, sprop->visibility);
 440     }
 441     if (ILM_NOTIFICATION_OPACITY & mask)
 442     {
 443     }
 444     if (ILM_NOTIFICATION_ORIENTATION & mask)
 445     {
 446     }
 447     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 448     {
 449         // this->cb->surfaceSourceRectChanged(id, )
 450     }
 451     if (ILM_NOTIFICATION_DEST_RECT & mask)
 452     {
 453         // this->cb->surfaceSourceRectChanged(id, )
 454     }
 455     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 456     {
 457     }
 458     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 459     {
 460         /* application being down */
 461         // m_appLayers.remove(pid);
 462     }
 463     if (ILM_NOTIFICATION_CONFIGURED & mask)
 464     {
 465         HMI_DEBUG("surface %d available", id);
 466         ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 467         ilm_surfaceSetDestinationRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 468         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 469         qDebug("  surfaceProperties %d", surface);
 470         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 471         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 472
 473         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 474             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 475             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 476         } else {
 477             ilmErrorTypes result;
 478             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 479
 480             if (layer != 0) {
 481                 configureAppSurface(surface,
 482                                     surfaceProperties->origSourceWidth,
 483                                     surfaceProperties->origSourceHeight);
 484
 485                 result = ilm_layerAddSurface(layer, surface);
 486                 if (result != ILM_SUCCESS) {
 487                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 488                 }
 489                 ilm_commitChanges();
 490             }
 491         }
 492         updateScreen(); */
 493     }
 494 }
 495
 496 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 497         struct ilmLayerProperties* lprop,
 498         t_ilm_notification_mask mask)
 499 {
 500     if (ILM_NOTIFICATION_VISIBILITY & mask)
 501     {
 502         //this->cb->layerVisibilityChanged(id, sprop->visibility);
 503     }
 504     if (ILM_NOTIFICATION_OPACITY & mask)
 505     {
 506     }
 507     if (ILM_NOTIFICATION_ORIENTATION & mask)
 508     {
 509     }
 510     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 511     {
 512         // this->cb->surfaceSourceRectChanged(id, )
 513     }
 514     if (ILM_NOTIFICATION_DEST_RECT & mask)
 515     {
 516         // this->cb->surfaceSourceRectChanged(id, )
 517     }
 518     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 519     {
 520     }
 521     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 522     {
 523         /* application being down */
 524         // m_appLayers.remove(pid);
 525     }
 526     if (ILM_NOTIFICATION_CONFIGURED & mask)
 527     {
 528         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 529         qDebug("  surfaceProperties %d", surface);
 530         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 531         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 532
 533         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 534             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 535             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 536         } else {
 537             ilmErrorTypes result;
 538             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 539
 540             if (layer != 0) {
 541                 configureAppSurface(surface,
 542                                     surfaceProperties->origSourceWidth,
 543                                     surfaceProperties->origSourceHeight);
 544
 545                 result = ilm_layerAddSurface(layer, surface);
 546                 if (result != ILM_SUCCESS) {
 547                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 548                 }
 549                 ilm_commitChanges();
 550             }
 551         }
 552         updateScreen(); */
 553     }
 554 }
 555
 556 WMError LayerControl::makeVisible(const shared_ptr<WMClient> client)
 557 {
 558     WMError ret = WMError::SUCCESS;
 559     // Don't check here the client is not nullptr
 560     unsigned layer = client->layerID();
 561
 562     ilm_layerSetVisibility(layer, ILM_TRUE);
 563
 564     /* for(auto& wm_layer : this->wm_layers)
 565     {
 566         if(wm_layer->hasLayerID(layer))
 567         {
 568             LayerState ls = wm_layer->getLayerState();
 569             ls.addLayer(layer);;
 570         }
 571     } */
 572
 573     // Move foreground from back ground layer
 574     /* for(auto& wm_layer : this->wm_layers)
 575     {
 576         if(wm_layer->layerName() == "BackGroundLayer")
 577         {
 578             if(wm_layer->hasRole(client->role()))
 579             {
 580                 LayerState ls = wm_layer->getLayerState();
 581                 ls.removeLayer(layer);
 582             }
 583             break;
 584         }
 585     } */
 586
 587     return ret;
 588 }
 589
 590 WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client)
 591 {
 592     WMError ret = WMError::SUCCESS;
 593     unsigned layer = client->layerID(); // Don't check here the client is not nullptr
 594
 595     /* bool mv_ok = this->mvBackGround(client);
 596
 597     if(!mv_ok)
 598     {
 599         ilm_layerSetVisibility(layer, ILM_FALSE);
 600     } */
 601
 602     ilm_layerSetDestinationRectangle(layer, 0, 0, 0, 0);
 603
 604     /* for(auto& wm_layer : this->wm_layers)
 605     {
 606         if(wm_layer->hasLayerID(layer))
 607         {
 608             LayerState ls = wm_layer->getLayerState();
 609             ls.removeLayer(layer);;
 610         }
 611     } */
 612
 613
 614
 615     return ret;
 616 }
 617
 618 /* bool LayerControl::mvBackGround(const shared_ptr<WMClient> client)
 619 {
 620     bool ret = false;
 621
 622     // Move background from foreground layer
 623     auto bg = this->getWMLayer("BackGroundLayer");
 624     if(bg != nullptr)
 625     {
 626         unsigned layer = client->layerID();
 627         if(bg->hasRole(client->role()))
 628         {
 629             LayerState bg_ls = bg->getLayerState();
 630             bg_ls.addLayer(layer);
 631             auto wm_layer = this->getWMLayer(layer);
 632             LayerState ls = wm_layer->getLayerState();
 633             ls.removeLayer(layer);
 634         }
 635         ret = true;
 636     }
 637     return ret;
 638 }
 639
 640 bool LayerControl::mvForeGround(const shared_ptr<WMClient> client)
 641 {
 642     bool ret = false;
 643
 644     // Move foreground from foreground layer
 645     auto bg = this->getWMLayer("BackGroundLayer");
 646     if(bg != nullptr)
 647     {
 648         unsigned layer = client->layerID();
 649         if(bg->hasRole(client->role()))
 650         {
 651             LayerState bg_ls = bg->getLayerState();
 652             bg_ls.removeLayer(layer);
 653             auto wm_layer = this->getWMLayer(layer);
 654             LayerState ls = wm_layer->getLayerState();
 655             ls.addLayer(layer);
 656         }
 657         ret = true;
 658     }
 659     return ret;
 660 }
 661
 662 */
 663
 664 } // namespace wm