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 #define BACK_GROUND_LAYER "BackGroundLayer"
  28
  29 using std::string;
  30 using std::vector;
  31 using std::shared_ptr;
  32
  33 namespace wm {
  34
  35 LayerControl* g_lc_ctxt;
  36
  37 static void createCallback_static(ilmObjectType object,
  38                             t_ilm_uint id,
  39                             t_ilm_bool created,
  40                             void* data)
  41 {
  42     static_cast<LayerControl*>(data)->dispatchCreateEvent(object, id, created);
  43 }
  44
  45 static void surfaceCallback_static(t_ilm_surface surface,
  46             struct ilmSurfaceProperties* surface_prop,
  47             t_ilm_notification_mask mask)
  48 {
  49     g_lc_ctxt->dispatchPropertyChangeEvent(surface, surface_prop, mask);
  50 }
  51
  52 static void layerCallback_static(t_ilm_layer layer,
  53             struct ilmLayerProperties* layer_prop,
  54             t_ilm_notification_mask mask)
  55 {
  56     g_lc_ctxt->dispatchPropertyChangeEvent(layer, layer_prop, mask);
  57 }
  58
  59 LayerControl::LayerControl(const std::string& root)
  60 {
  61     string area_path = root + LC_AREA_PATH;
  62     string layer_path= root + LC_LAYER_SETTING_PATH;
  63     // load layers.setting.json
  64     WMError ret = this->loadLayerSetting(layer_path);
  65     assert(ret == WMError::SUCCESS);
  66     // load area.db
  67     ret = this->loadAreaDb(area_path);
  68     assert(ret == WMError::SUCCESS);
  69 }
  70
  71 WMError LayerControl::init(const LayerControlCallbacks& cb)
  72 {
  73     HMI_DEBUG("Initialize of ilm library and display");
  74     t_ilm_uint num = 0;
  75     t_ilm_uint *ids;
  76     int cnt = 0;
  77     ilmErrorTypes rc = ilm_init();
  78
  79     while (rc != ILM_SUCCESS)
  80     {
  81         cnt++;
  82         if (20 <= cnt)
  83         {
  84             HMI_ERROR("Could not connect to compositor");
  85             goto lc_init_error;
  86         }
  87         HMI_ERROR("Wait to start weston ...");
  88         sleep(1);
  89         rc = ilm_init();
  90     }
  91     if(rc != ILM_SUCCESS) goto lc_init_error;
  92
  93     // Get current screen setting
  94     rc = ilm_getScreenIDs(&num, &ids);
  95
  96     if(rc != ILM_SUCCESS) goto lc_init_error;
  97
  98     for(unsigned i = 0; i < num; i++)
  99     {
 100         HMI_INFO("get screen: %d", ids[i]);
 101     }
 102     // Currently, 0 is only available
 103     this->screenID = ids[0];
 104
 105     rc = ilm_getPropertiesOfScreen(this->screenID, &this->screen_prop);
 106
 107     if(rc != ILM_SUCCESS) goto lc_init_error;
 108
 109     // Register Callback from ILM
 110     this->cb = cb;
 111     ilm_registerNotification(createCallback_static, this);
 112
 113     return WMError::SUCCESS;
 114
 115 lc_init_error:
 116     HMI_ERROR("Failed to initialize. Terminate WM");
 117
 118     return WMError::FAIL;
 119 }
 120
 121 void LayerControl::createNewLayer(unsigned id)
 122 {
 123     HMI_INFO("create new ID :%d", id);
 124     struct rect rct = this->area2size[LC_DEFAULT_AREA];
 125     ilm_layerCreateWithDimension(&id, rct.w, rct.h);
 126     //ilm_layerSetSourceRectangle(id, rct.x, rct.y, rct.w, rct.h);
 127     //ilm_layerSetDestinationRectangle(id, rct.x, rct.y, rct.w, rct.h);
 128     ilm_layerSetOpacity(id, 1.0);
 129     ilm_layerSetVisibility(id, ILM_FALSE);
 130     ilm_commitChanges();
 131     auto wm_layer = getWMLayer(id);
 132     wm_layer->addLayerToState(id);
 133     this->renderLayers();
 134 }
 135
 136 unsigned LayerControl::getNewLayerID(const string& role, string* layer_name)
 137 {
 138     unsigned ret = 0;
 139     for(const auto& l: this->wm_layers)
 140     {
 141         ret = l->getNewLayerID(role);
 142         if(ret != 0)
 143         {
 144             *layer_name = l->layerName();
 145             unsigned uid = l->getUuid();
 146             this->lid2wmlid[ret] = uid;
 147             break;
 148         }
 149     }
 150     return ret;
 151 }
 152
 153 shared_ptr<WMLayer> LayerControl::getWMLayer(unsigned layer)
 154 {
 155     unsigned uuid = this->lid2wmlid[layer];
 156     return this->wm_layers[uuid];
 157 }
 158
 159 std::shared_ptr<WMLayer> LayerControl::getWMLayer(std::string layer_name)
 160 {
 161     for(auto &l : this->wm_layers)
 162     {
 163         if(l->layerName() == layer_name)
 164         {
 165             return l;
 166         }
 167     }
 168     return nullptr;
 169 }
 170
 171 struct rect LayerControl::getAreaSize(const std::string& area)
 172 {
 173     return area2size[area];
 174 }
 175
 176 void LayerControl::setupArea(const rectangle& base_rct, double scaling)
 177 {
 178     struct rect rct;
 179     this->scaling = scaling;
 180
 181     rct = this->area2size["normal.full"];
 182     this->area2size["normalfull"] = rct;
 183     this->area2size["normal"] = rct;
 184
 185     for (auto &i : this->area2size)
 186     {
 187         i.second.x = base_rct.left() + static_cast<int>(scaling * i.second.x + 0.5);
 188         i.second.y = base_rct.top() + static_cast<int>(scaling * i.second.y + 0.5);
 189         i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
 190         i.second.h = static_cast<int>(scaling * i.second.h + 0.5);
 191
 192         HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
 193             i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
 194     }
 195 }
 196
 197 Screen LayerControl::getScreenInfo()
 198 {
 199     return Screen(this->screen_prop.screenWidth, this->screen_prop.screenHeight);
 200 }
 201
 202 double LayerControl::scale()
 203 {
 204     return this->scaling;
 205 }
 206
 207 WMError LayerControl::updateLayer(LayerState& layer_state)
 208 {
 209     return WMError::SUCCESS;
 210 }
 211
 212 WMError LayerControl::renderLayers()
 213 {
 214     HMI_INFO("Commit change");
 215     WMError rc = WMError::SUCCESS;
 216     vector<unsigned> ivi_l_ids;
 217     for(auto& l : this->wm_layers)
 218     {
 219         auto state = l->getLayerState();
 220         HMI_DEBUG("layer %s", l->layerName().c_str());
 221         for(const auto& id : state.getIviIdList())
 222         {
 223             HMI_DEBUG("Add %d", id);
 224             ivi_l_ids.push_back(id);
 225         }
 226     }
 227     t_ilm_layer* id_array = new t_ilm_layer[ivi_l_ids.size()];
 228     if(id_array == nullptr)
 229     {
 230         HMI_WARNING("short memory");
 231         this->undoUpdate();
 232         return WMError::FAIL;
 233     }
 234     int count = 0;
 235     for(const auto& i : ivi_l_ids)
 236     {
 237         id_array[count] = i;
 238         ++count;
 239     }
 240
 241     ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, ivi_l_ids.size());
 242     if(ret != ILM_SUCCESS)
 243     {
 244         this->undoUpdate();
 245         rc = WMError::FAIL;
 246     }
 247     else
 248     {
 249         for(auto& l : this->wm_layers)
 250         {
 251             l->commitChange();
 252         }
 253     }
 254     ilm_commitChanges();
 255     delete id_array;
 256     return rc;
 257 }
 258
 259 void LayerControl::undoUpdate() {}
 260
 261 WMError LayerControl::loadLayerSetting(const string &path)
 262 {
 263     HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path);
 264
 265     json_object *json_obj, *json_cfg;
 266     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 267     if (0 > ret)
 268     {
 269         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 270         return WMError::FAIL;
 271     }
 272     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 273
 274     if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
 275     {
 276         HMI_ERROR("Parse Error!!");
 277         return WMError::FAIL;
 278     }
 279
 280     int len = json_object_array_length(json_cfg);
 281     HMI_DEBUG("json_cfg len:%d", len);
 282
 283     for (int i = 0; i < len; i++)
 284     {
 285         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 286         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 287
 288         this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp, i));
 289     }
 290     json_object_put(json_obj);
 291
 292     return WMError::SUCCESS;
 293 }
 294
 295 WMError LayerControl::loadAreaDb(const std::string& path)
 296 {
 297     // Load area.db
 298     json_object *json_obj;
 299     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 300     if (0 > ret)
 301     {
 302         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 303         return WMError::FAIL;
 304     }
 305     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 306
 307     // Perse areas
 308     json_object *json_cfg;
 309     if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
 310     {
 311         HMI_ERROR("Parse Error!!");
 312         return WMError::FAIL;
 313     }
 314
 315     int len = json_object_array_length(json_cfg);
 316     HMI_DEBUG("json_cfg len:%d", len);
 317
 318     const char *area;
 319     for (int i = 0; i < len; i++)
 320     {
 321         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 322         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 323
 324         area = jh::getStringFromJson(json_tmp, "name");
 325         if (nullptr == area)
 326         {
 327             HMI_ERROR("Parse Error!!");
 328             return WMError::FAIL;
 329         }
 330         HMI_DEBUG("> area:%s", area);
 331
 332         json_object *json_rect;
 333         if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
 334         {
 335             HMI_ERROR("Parse Error!!");
 336             return WMError::FAIL;
 337         }
 338         HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));
 339
 340         struct rect area_size;
 341         area_size.x = jh::getIntFromJson(json_rect, "x");
 342         area_size.y = jh::getIntFromJson(json_rect, "y");
 343         area_size.w = jh::getIntFromJson(json_rect, "w");
 344         area_size.h = jh::getIntFromJson(json_rect, "h");
 345
 346         this->area2size[area] = area_size;
 347     }
 348
 349     // Check
 350     for (const auto& itr : this->area2size)
 351     {
 352         HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
 353                   itr.first.c_str(), itr.second.x, itr.second.y,
 354                   itr.second.w, itr.second.h);
 355     }
 356
 357     // Release json_object
 358     json_object_put(json_obj);
 359
 360     return WMError::SUCCESS;
 361 }
 362
 363 WMError LayerControl::layoutChange(const WMAction& action)
 364 {
 365     if (action.visible == TaskVisible::INVISIBLE)
 366     {
 367         // Visibility is not change -> no redraw is required
 368         return WMError::SUCCESS;
 369     }
 370     if(action.client == nullptr)
 371     {
 372         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 373         return WMError::NOT_REGISTERED;
 374     }
 375     unsigned layer = action.client->layerID();
 376
 377     // Layout Manager
 378     // WMError ret = this->setLayerSize(layer, action.area);
 379     auto rect = this->getAreaSize(action.area);
 380     HMI_DEBUG("Set layout %d, %d, %d, %d",rect.x, rect.y, rect.w, rect.h);
 381     ilm_layerSetSourceRectangle(layer, 0, 0, rect.w, rect.h);
 382     ilm_commitChanges();
 383     ilm_layerSetDestinationRectangle(layer, rect.x, rect.y, rect.w, rect.h);
 384     ilm_commitChanges();
 385     for(auto &wm_layer: this->wm_layers)
 386     {
 387         if(wm_layer->hasLayerID(layer))
 388         {
 389             wm_layer->setAreaToState(action.client->appID(), action.area);
 390             /* TODO: manipulate state directly
 391             LayerState ls = wm_layer->getLayerState();
 392             ls.setArea(action.client->appID(), action.area);
 393             wm_layer->dump(); */
 394         }
 395     }
 396
 397     return WMError::SUCCESS;
 398 }
 399
 400 WMError LayerControl::visibilityChange(const WMAction& action)
 401 {
 402     WMError ret = WMError::FAIL;
 403     if(action.client == nullptr)
 404     {
 405         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 406         return WMError::NOT_REGISTERED;
 407     }
 408
 409     if (action.visible == TaskVisible::VISIBLE)
 410     {
 411         ret = this->makeVisible(action.client);
 412     }
 413     else if (action.visible == TaskVisible::INVISIBLE)
 414     {
 415         ret = this->makeInvisible(action.client);
 416     }
 417     return ret;
 418 }
 419
 420 void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
 421 {
 422     if (ILM_SURFACE == object)
 423     {
 424         if (created)
 425         {
 426             ilmSurfaceProperties sp;
 427             ilmErrorTypes rc;
 428             rc = ilm_getPropertiesOfSurface(id, &sp);
 429             if(rc != ILM_SUCCESS)
 430                 return;
 431             this->cb.surfaceCreated(sp.creatorPid, id);
 432             ilm_surfaceAddNotification(id, surfaceCallback_static);
 433             ilm_surfaceSetVisibility(id, ILM_TRUE);
 434         }
 435         else
 436         {
 437             this->cb.surfaceDestroyed(id);
 438         }
 439     }
 440     if (ILM_LAYER == object)
 441     {
 442         if(created)
 443         {
 444             ilm_layerAddNotification(id, layerCallback_static);
 445             // this->cb->layerCreated(id);
 446         }
 447         else
 448         {
 449             // this->cb->layerDestroyed(id); // Means Application is dead.
 450         }
 451     }
 452 }
 453
 454 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 455         struct ilmSurfaceProperties* sprop,
 456         t_ilm_notification_mask mask)
 457 {
 458     pid_t pid = sprop->creatorPid;
 459     HMI_DEBUG("pid : %d", pid);
 460
 461     if (ILM_NOTIFICATION_VISIBILITY & mask)
 462     {
 463         //this->cb->surfaceVisibilityChanged(id, sprop->visibility);
 464     }
 465     if (ILM_NOTIFICATION_OPACITY & mask)
 466     {
 467     }
 468     if (ILM_NOTIFICATION_ORIENTATION & mask)
 469     {
 470     }
 471     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 472     {
 473         // this->cb->surfaceSourceRectChanged(id, )
 474     }
 475     if (ILM_NOTIFICATION_DEST_RECT & mask)
 476     {
 477         // this->cb->surfaceSourceRectChanged(id, )
 478     }
 479     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 480     {
 481     }
 482     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 483     {
 484         /* application being down */
 485         // m_appLayers.remove(pid);
 486     }
 487     if (ILM_NOTIFICATION_CONFIGURED & mask)
 488     {
 489         HMI_DEBUG("surface %d available", id);
 490         ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 491         ilm_surfaceSetDestinationRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 492         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 493         qDebug("  surfaceProperties %d", surface);
 494         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 495         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 496
 497         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 498             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 499             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 500         } else {
 501             ilmErrorTypes result;
 502             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 503
 504             if (layer != 0) {
 505                 configureAppSurface(surface,
 506                                     surfaceProperties->origSourceWidth,
 507                                     surfaceProperties->origSourceHeight);
 508
 509                 result = ilm_layerAddSurface(layer, surface);
 510                 if (result != ILM_SUCCESS) {
 511                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 512                 }
 513                 ilm_commitChanges();
 514             }
 515         }
 516         updateScreen(); */
 517     }
 518 }
 519
 520 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 521         struct ilmLayerProperties* lprop,
 522         t_ilm_notification_mask mask)
 523 {
 524     if (ILM_NOTIFICATION_VISIBILITY & mask)
 525     {
 526         //this->cb->layerVisibilityChanged(id, sprop->visibility);
 527     }
 528     if (ILM_NOTIFICATION_OPACITY & mask)
 529     {
 530     }
 531     if (ILM_NOTIFICATION_ORIENTATION & mask)
 532     {
 533     }
 534     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 535     {
 536         // this->cb->surfaceSourceRectChanged(id, )
 537     }
 538     if (ILM_NOTIFICATION_DEST_RECT & mask)
 539     {
 540         // this->cb->surfaceSourceRectChanged(id, )
 541     }
 542     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 543     {
 544     }
 545     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 546     {
 547         /* application being down */
 548         // m_appLayers.remove(pid);
 549     }
 550     if (ILM_NOTIFICATION_CONFIGURED & mask)
 551     {
 552         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 553         qDebug("  surfaceProperties %d", surface);
 554         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 555         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 556
 557         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 558             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 559             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 560         } else {
 561             ilmErrorTypes result;
 562             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 563
 564             if (layer != 0) {
 565                 configureAppSurface(surface,
 566                                     surfaceProperties->origSourceWidth,
 567                                     surfaceProperties->origSourceHeight);
 568
 569                 result = ilm_layerAddSurface(layer, surface);
 570                 if (result != ILM_SUCCESS) {
 571                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 572                 }
 573                 ilm_commitChanges();
 574             }
 575         }
 576         updateScreen(); */
 577     }
 578 }
 579
 580 WMError LayerControl::makeVisible(const shared_ptr<WMClient> client)
 581 {
 582     WMError ret = WMError::SUCCESS;
 583     // Don't check here the client is not nullptr
 584     unsigned layer = client->layerID();
 585
 586     this->moveForeGround(client);
 587
 588     ilm_layerSetVisibility(layer, ILM_TRUE);
 589
 590     /* for(auto& wm_layer : this->wm_layers)
 591     {
 592         if(wm_layer->hasLayerID(layer))
 593         {
 594             LayerState ls = wm_layer->getLayerState();
 595             ls.addLayer(layer);;
 596         }
 597     } */
 598
 599     // Move foreground from back ground layer
 600     /* for(auto& wm_layer : this->wm_layers)
 601     {
 602         if(wm_layer->layerName() == "BackGroundLayer")
 603         {
 604             if(wm_layer->hasRole(client->role()))
 605             {
 606                 LayerState ls = wm_layer->getLayerState();
 607                 ls.removeLayer(layer);
 608             }
 609             break;
 610         }
 611     } */
 612
 613     return ret;
 614 }
 615
 616 WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client)
 617 {
 618     WMError ret = WMError::SUCCESS;
 619     unsigned layer = client->layerID(); // Don't check here the client is not nullptr
 620
 621     bool mv_ok = this->moveBackGround(client);
 622
 623     if(!mv_ok)
 624     {
 625         HMI_INFO("make invisible client %s", client->appID().c_str());
 626         ilm_layerSetVisibility(layer, ILM_FALSE);
 627     }
 628
 629     //ilm_layerSetDestinationRectangle(layer, 0, 0, 0, 0);
 630
 631     /* for(auto& wm_layer : this->wm_layers)
 632     {
 633         if(wm_layer->hasLayerID(layer))
 634         {
 635             LayerState ls = wm_layer->getLayerState();
 636             ls.removeLayer(layer);;
 637         }
 638     } */
 639
 640
 641
 642     return ret;
 643 }
 644
 645 bool LayerControl::moveBackGround(const shared_ptr<WMClient> client)
 646 {
 647     bool ret = false;
 648
 649     // Move background from foreground layer
 650     auto bg = this->getWMLayer(BACK_GROUND_LAYER);
 651     if(bg != nullptr)
 652     {
 653         HMI_DEBUG("client %s role %s", client->appID().c_str(), client->role().c_str());
 654         unsigned layer = client->layerID();
 655         if(bg->hasRole(client->role()))
 656         {
 657             HMI_INFO("%s go to background", client->appID().c_str());
 658             bg->addLayerToState(layer);
 659             auto wm_layer = this->getWMLayer(layer);
 660             wm_layer->removeLayerFromState(layer);
 661             /* TODO: manipulate state directly
 662             LayerState bg_ls = bg->getLayerState();
 663             bg_ls.addLayer(layer);
 664             LayerState ls = wm_layer->getLayerState();
 665             ls.removeLayer(layer); */
 666             bg->dump();
 667             wm_layer->dump();
 668             ret = true;
 669         }
 670     }
 671     return ret;
 672 }
 673
 674 bool LayerControl::moveForeGround(const shared_ptr<WMClient> client)
 675 {
 676     bool ret = false;
 677
 678     // Move foreground from foreground layer
 679     auto bg = this->getWMLayer(BACK_GROUND_LAYER);
 680     if(bg != nullptr)
 681     {
 682         if(bg->hasRole(client->role()))
 683         {
 684             unsigned layer = client->layerID();
 685             HMI_INFO("%s go to foreground", client->appID().c_str());
 686             bg->removeLayerFromState(layer);
 687             auto wm_layer = this->getWMLayer(layer);
 688             wm_layer->addLayerToState(layer);
 689             /* TODO: manipulate state directly
 690             LayerState bg_ls = bg->getLayerState();
 691             bg_ls.removeLayer(layer);
 692             LayerState ls = wm_layer->getLayerState();
 693             ls.addLayer(layer); */
 694             bg->dump();
 695             wm_layer->dump();
 696             ret = true;
 697         }
 698     }
 699     return ret;
 700 }
 701
 702 } // namespace wm