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         HMI_DEBUG("check render order %d", i);
 239         ++count;
 240     }
 241
 242     ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, ivi_l_ids.size());
 243     if(ret != ILM_SUCCESS)
 244     {
 245         this->undoUpdate();
 246         rc = WMError::FAIL;
 247     }
 248     else
 249     {
 250         for(auto& l : this->wm_layers)
 251         {
 252             l->commitChange();
 253         }
 254     }
 255     ilm_commitChanges();
 256     delete id_array;
 257     return rc;
 258 }
 259
 260 void LayerControl::undoUpdate() {}
 261
 262 WMError LayerControl::loadLayerSetting(const string &path)
 263 {
 264     HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path);
 265
 266     json_object *json_obj, *json_cfg;
 267     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 268     if (0 > ret)
 269     {
 270         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 271         return WMError::FAIL;
 272     }
 273     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 274
 275     if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
 276     {
 277         HMI_ERROR("Parse Error!!");
 278         return WMError::FAIL;
 279     }
 280
 281     int len = json_object_array_length(json_cfg);
 282     HMI_DEBUG("json_cfg len:%d", len);
 283
 284     for (int i = 0; i < len; i++)
 285     {
 286         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 287         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 288
 289         this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp, i));
 290     }
 291     json_object_put(json_obj);
 292
 293     return WMError::SUCCESS;
 294 }
 295
 296 WMError LayerControl::loadAreaDb(const std::string& path)
 297 {
 298     // Load area.db
 299     json_object *json_obj;
 300     int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
 301     if (0 > ret)
 302     {
 303         HMI_DEBUG("Could not open %s, so use default area information", path.c_str());
 304         return WMError::FAIL;
 305     }
 306     HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
 307
 308     // Perse areas
 309     json_object *json_cfg;
 310     if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
 311     {
 312         HMI_ERROR("Parse Error!!");
 313         return WMError::FAIL;
 314     }
 315
 316     int len = json_object_array_length(json_cfg);
 317     HMI_DEBUG("json_cfg len:%d", len);
 318
 319     const char *area;
 320     for (int i = 0; i < len; i++)
 321     {
 322         json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
 323         HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
 324
 325         area = jh::getStringFromJson(json_tmp, "name");
 326         if (nullptr == area)
 327         {
 328             HMI_ERROR("Parse Error!!");
 329             return WMError::FAIL;
 330         }
 331         HMI_DEBUG("> area:%s", area);
 332
 333         json_object *json_rect;
 334         if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
 335         {
 336             HMI_ERROR("Parse Error!!");
 337             return WMError::FAIL;
 338         }
 339         HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));
 340
 341         struct rect area_size;
 342         area_size.x = jh::getIntFromJson(json_rect, "x");
 343         area_size.y = jh::getIntFromJson(json_rect, "y");
 344         area_size.w = jh::getIntFromJson(json_rect, "w");
 345         area_size.h = jh::getIntFromJson(json_rect, "h");
 346
 347         this->area2size[area] = area_size;
 348     }
 349
 350     // Check
 351     for (const auto& itr : this->area2size)
 352     {
 353         HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
 354                   itr.first.c_str(), itr.second.x, itr.second.y,
 355                   itr.second.w, itr.second.h);
 356     }
 357
 358     // Release json_object
 359     json_object_put(json_obj);
 360
 361     return WMError::SUCCESS;
 362 }
 363
 364 WMError LayerControl::layoutChange(const WMAction& action)
 365 {
 366     if (action.visible == TaskVisible::INVISIBLE)
 367     {
 368         // Visibility is not change -> no redraw is required
 369         return WMError::SUCCESS;
 370     }
 371     if(action.client == nullptr)
 372     {
 373         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 374         return WMError::NOT_REGISTERED;
 375     }
 376     unsigned layer = action.client->layerID();
 377
 378     // Layout Manager
 379     // WMError ret = this->setLayerSize(layer, action.area);
 380     auto rect = this->getAreaSize(action.area);
 381     HMI_DEBUG("Set layout %d, %d, %d, %d",rect.x, rect.y, rect.w, rect.h);
 382     ilm_layerSetSourceRectangle(layer, 0, 0, rect.w, rect.h);
 383     ilm_commitChanges();
 384     ilm_layerSetDestinationRectangle(layer, rect.x, rect.y, rect.w, rect.h);
 385     ilm_commitChanges();
 386     for(auto &wm_layer: this->wm_layers)
 387     {
 388         if(wm_layer->hasLayerID(layer))
 389         {
 390             wm_layer->setAreaToState(action.client->appID(), action.area);
 391             /* TODO: manipulate state directly
 392             LayerState ls = wm_layer->getLayerState();
 393             ls.setArea(action.client->appID(), action.area);
 394             wm_layer->dump(); */
 395         }
 396     }
 397
 398     return WMError::SUCCESS;
 399 }
 400
 401 WMError LayerControl::visibilityChange(const WMAction& action)
 402 {
 403     WMError ret = WMError::FAIL;
 404     if(action.client == nullptr)
 405     {
 406         HMI_SEQ_ERROR(action.req_num, "client may vanish");
 407         return WMError::NOT_REGISTERED;
 408     }
 409
 410     if (action.visible == TaskVisible::VISIBLE)
 411     {
 412         ret = this->makeVisible(action.client);
 413     }
 414     else if (action.visible == TaskVisible::INVISIBLE)
 415     {
 416         ret = this->makeInvisible(action.client);
 417     }
 418     return ret;
 419 }
 420
 421 void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
 422 {
 423     if (ILM_SURFACE == object)
 424     {
 425         if (created)
 426         {
 427             ilmSurfaceProperties sp;
 428             ilmErrorTypes rc;
 429             rc = ilm_getPropertiesOfSurface(id, &sp);
 430             if(rc != ILM_SUCCESS)
 431                 return;
 432             this->cb.surfaceCreated(sp.creatorPid, id);
 433             ilm_surfaceAddNotification(id, surfaceCallback_static);
 434             ilm_surfaceSetVisibility(id, ILM_TRUE);
 435         }
 436         else
 437         {
 438             this->cb.surfaceDestroyed(id);
 439         }
 440     }
 441     if (ILM_LAYER == object)
 442     {
 443         if(created)
 444         {
 445             ilm_layerAddNotification(id, layerCallback_static);
 446             // this->cb->layerCreated(id);
 447         }
 448         else
 449         {
 450             // this->cb->layerDestroyed(id); // Means Application is dead.
 451         }
 452     }
 453 }
 454
 455 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 456         struct ilmSurfaceProperties* sprop,
 457         t_ilm_notification_mask mask)
 458 {
 459     pid_t pid = sprop->creatorPid;
 460     HMI_DEBUG("pid : %d", pid);
 461
 462     if (ILM_NOTIFICATION_VISIBILITY & mask)
 463     {
 464         //this->cb->surfaceVisibilityChanged(id, sprop->visibility);
 465     }
 466     if (ILM_NOTIFICATION_OPACITY & mask)
 467     {
 468     }
 469     if (ILM_NOTIFICATION_ORIENTATION & mask)
 470     {
 471     }
 472     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 473     {
 474         // this->cb->surfaceSourceRectChanged(id, )
 475     }
 476     if (ILM_NOTIFICATION_DEST_RECT & mask)
 477     {
 478         // this->cb->surfaceSourceRectChanged(id, )
 479     }
 480     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 481     {
 482     }
 483     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 484     {
 485         /* application being down */
 486         // m_appLayers.remove(pid);
 487     }
 488     if (ILM_NOTIFICATION_CONFIGURED & mask)
 489     {
 490         HMI_DEBUG("surface %d available", id);
 491         ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 492         ilm_surfaceSetDestinationRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
 493         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 494         qDebug("  surfaceProperties %d", surface);
 495         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 496         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 497
 498         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 499             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 500             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 501         } else {
 502             ilmErrorTypes result;
 503             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 504
 505             if (layer != 0) {
 506                 configureAppSurface(surface,
 507                                     surfaceProperties->origSourceWidth,
 508                                     surfaceProperties->origSourceHeight);
 509
 510                 result = ilm_layerAddSurface(layer, surface);
 511                 if (result != ILM_SUCCESS) {
 512                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 513                 }
 514                 ilm_commitChanges();
 515             }
 516         }
 517         updateScreen(); */
 518     }
 519 }
 520
 521 void LayerControl::dispatchPropertyChangeEvent(unsigned id,
 522         struct ilmLayerProperties* lprop,
 523         t_ilm_notification_mask mask)
 524 {
 525     if (ILM_NOTIFICATION_VISIBILITY & mask)
 526     {
 527         //this->cb->layerVisibilityChanged(id, sprop->visibility);
 528     }
 529     if (ILM_NOTIFICATION_OPACITY & mask)
 530     {
 531     }
 532     if (ILM_NOTIFICATION_ORIENTATION & mask)
 533     {
 534     }
 535     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 536     {
 537         // this->cb->surfaceSourceRectChanged(id, )
 538     }
 539     if (ILM_NOTIFICATION_DEST_RECT & mask)
 540     {
 541         // this->cb->surfaceSourceRectChanged(id, )
 542     }
 543     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 544     {
 545     }
 546     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 547     {
 548         /* application being down */
 549         // m_appLayers.remove(pid);
 550     }
 551     if (ILM_NOTIFICATION_CONFIGURED & mask)
 552     {
 553         /* qDebug("ILM_NOTIFICATION_CONFIGURED");
 554         qDebug("  surfaceProperties %d", surface);
 555         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 556         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 557
 558         if (surface == WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID) {
 559             addSurfaceToLayer(surface, WINDOWMANAGER_LAYER_HOMESCREEN);
 560             configureHomeScreenMainSurface(surface, surfaceProperties->origSourceWidth, surfaceProperties->origSourceHeight);
 561         } else {
 562             ilmErrorTypes result;
 563             t_ilm_layer layer = addSurfaceToAppLayer(pid, surface);
 564
 565             if (layer != 0) {
 566                 configureAppSurface(surface,
 567                                     surfaceProperties->origSourceWidth,
 568                                     surfaceProperties->origSourceHeight);
 569
 570                 result = ilm_layerAddSurface(layer, surface);
 571                 if (result != ILM_SUCCESS) {
 572                     qDebug("ilm_layerAddSurface(%d,%d) failed.", layer, surface);
 573                 }
 574                 ilm_commitChanges();
 575             }
 576         }
 577         updateScreen(); */
 578     }
 579 }
 580
 581 WMError LayerControl::makeVisible(const shared_ptr<WMClient> client)
 582 {
 583     WMError ret = WMError::SUCCESS;
 584     // Don't check here the client is not nullptr
 585     unsigned layer = client->layerID();
 586
 587     this->moveForeGround(client);
 588
 589     ilm_layerSetVisibility(layer, ILM_TRUE);
 590
 591     /* for(auto& wm_layer : this->wm_layers)
 592     {
 593         if(wm_layer->hasLayerID(layer))
 594         {
 595             LayerState ls = wm_layer->getLayerState();
 596             ls.addLayer(layer);;
 597         }
 598     } */
 599
 600     // Move foreground from back ground layer
 601     /* for(auto& wm_layer : this->wm_layers)
 602     {
 603         if(wm_layer->layerName() == "BackGroundLayer")
 604         {
 605             if(wm_layer->hasRole(client->role()))
 606             {
 607                 LayerState ls = wm_layer->getLayerState();
 608                 ls.removeLayer(layer);
 609             }
 610             break;
 611         }
 612     } */
 613
 614     return ret;
 615 }
 616
 617 WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client)
 618 {
 619     WMError ret = WMError::SUCCESS;
 620     unsigned layer = client->layerID(); // Don't check here the client is not nullptr
 621
 622     bool mv_ok = this->moveBackGround(client);
 623
 624     if(!mv_ok)
 625     {
 626         HMI_INFO("make invisible client %s", client->appID().c_str());
 627         ilm_layerSetVisibility(layer, ILM_FALSE);
 628     }
 629
 630     //ilm_layerSetDestinationRectangle(layer, 0, 0, 0, 0);
 631
 632     /* for(auto& wm_layer : this->wm_layers)
 633     {
 634         if(wm_layer->hasLayerID(layer))
 635         {
 636             LayerState ls = wm_layer->getLayerState();
 637             ls.removeLayer(layer);;
 638         }
 639     } */
 640
 641
 642
 643     return ret;
 644 }
 645
 646 bool LayerControl::moveBackGround(const shared_ptr<WMClient> client)
 647 {
 648     bool ret = false;
 649
 650     // Move background from foreground layer
 651     auto bg = this->getWMLayer(BACK_GROUND_LAYER);
 652     if(bg != nullptr)
 653     {
 654         HMI_DEBUG("client %s role %s", client->appID().c_str(), client->role().c_str());
 655         unsigned layer = client->layerID();
 656         if(bg->hasRole(client->role()))
 657         {
 658             HMI_INFO("%s go to background", client->appID().c_str());
 659             bg->addLayerToState(layer);
 660             auto wm_layer = this->getWMLayer(layer);
 661             wm_layer->removeLayerFromState(layer);
 662             /* TODO: manipulate state directly
 663             LayerState bg_ls = bg->getLayerState();
 664             bg_ls.addLayer(layer);
 665             LayerState ls = wm_layer->getLayerState();
 666             ls.removeLayer(layer); */
 667             bg->dump();
 668             wm_layer->dump();
 669             ret = true;
 670         }
 671     }
 672     return ret;
 673 }
 674
 675 bool LayerControl::moveForeGround(const shared_ptr<WMClient> client)
 676 {
 677     bool ret = false;
 678
 679     // Move foreground from foreground layer
 680     auto bg = this->getWMLayer(BACK_GROUND_LAYER);
 681     if(bg != nullptr)
 682     {
 683         if(bg->hasRole(client->role()))
 684         {
 685             unsigned layer = client->layerID();
 686             HMI_INFO("%s go to foreground", client->appID().c_str());
 687             bg->removeLayerFromState(layer);
 688             auto wm_layer = this->getWMLayer(layer);
 689             wm_layer->addLayerToState(layer);
 690             /* TODO: manipulate state directly
 691             LayerState bg_ls = bg->getLayerState();
 692             bg_ls.removeLayer(layer);
 693             LayerState ls = wm_layer->getLayerState();
 694             ls.addLayer(layer); */
 695             bg->dump();
 696             wm_layer->dump();
 697             ret = true;
 698         }
 699     }
 700     return ret;
 701 }
 702
 703 } // namespace wm