WindowManager/src/windowmanager.cpp

   1 /*
   2  * Copyright (C) 2016 Mentor Graphics Development (Deutschland) GmbH
   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 "windowmanager.hpp"
  18
  19
  20 //////////////////////////////////////////
  21 // THIS IS STILL UNDER HEAVY DEVELOPMENT!
  22 // DO NOT JUDGE THE SOURCE CODE :)
  23 //////////////////////////////////////////
  24
  25 // three layers will be defined. The HomeScreen will be placed
  26 // full screen in the background.
  27 // On top all applications in one layer.
  28 // On top of that, the popup layer.
  29 #define WINDOWMANAGER_LAYER_POPUP 100
  30 #define WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY 101
  31 #define WINDOWMANAGER_LAYER_APPLICATIONS 102
  32 #define WINDOWMANAGER_LAYER_HOMESCREEN 103
  33
  34 #define WINDOWMANAGER_LAYER_NUM 4
  35
  36 // the HomeScreen app has to have the surface id 1000
  37 #define WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID 1000
  38
  39
  40 void* WindowManager::myThis = 0;
  41
  42 WindowManager::WindowManager(QObject *parent) :
  43     QObject(parent),
  44     m_layouts(),
  45     m_surfaces(),
  46     mp_layoutAreaToSurfaceIdAssignment(0),
  47     m_currentLayout(-1)
  48 {
  49     qDebug("-=[WindowManager]=-");
  50 }
  51
  52 void WindowManager::start()
  53 {
  54     qDebug("-=[start]=-");
  55     mp_layoutAreaToSurfaceIdAssignment = new QMap<int, unsigned int>;
  56 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
  57     ilmErrorTypes err;
  58
  59     err = ilm_init();
  60     qDebug("ilm_init = %d", err);
  61     if(ILM_SUCCESS != err)
  62     {
  63         qDebug("failed! Exiting!");
  64         exit(-1);
  65     }
  66
  67     myThis = this;
  68     err =  ilm_registerNotification(WindowManager::notificationFunc_static, this);
  69
  70     createNewLayer(WINDOWMANAGER_LAYER_POPUP);
  71     createNewLayer(WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY);
  72     createNewLayer(WINDOWMANAGER_LAYER_APPLICATIONS);
  73     createNewLayer(WINDOWMANAGER_LAYER_HOMESCREEN);
  74 #endif
  75
  76     QDBusConnection dbus = QDBusConnection::sessionBus();
  77     dbus.registerObject("/windowmanager", this);
  78     dbus.registerService("org.agl.windowmanager");
  79
  80     // publish windowmanager interface
  81     mp_windowManagerAdaptor = new WindowmanagerAdaptor((QObject*)this);
  82 }
  83
  84 WindowManager::~WindowManager()
  85 {
  86     qDebug("-=[~WindowManager]=-");
  87     delete mp_windowManagerAdaptor;
  88 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
  89     ilm_destroy();
  90 #endif
  91     delete mp_layoutAreaToSurfaceIdAssignment;
  92 }
  93
  94 void WindowManager::dumpScene()
  95 {
  96     qDebug("\n");
  97     qDebug("current layout   : %d", m_currentLayout);
  98     qDebug("available layouts: %d", m_layouts.size());
  99     QList<Layout>::const_iterator i = m_layouts.begin();
 100
 101     while (i != m_layouts.constEnd())
 102     {
 103         qDebug("--[id: %d]--[%s]--", i->id, i->name.toStdString().c_str());
 104         qDebug("  %d surface areas", i->layoutAreas.size());
 105         for (int j = 0; j < i->layoutAreas.size(); ++j)
 106         {
 107             qDebug("  -area %d", j);
 108             qDebug("    -x     : %d", i->layoutAreas.at(j).x);
 109             qDebug("    -y     : %d", i->layoutAreas.at(j).y);
 110             qDebug("    -width : %d", i->layoutAreas.at(j).width);
 111             qDebug("    -height: %d", i->layoutAreas.at(j).height);
 112         }
 113
 114         ++i;
 115     }
 116 }
 117
 118 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 119
 120 void WindowManager::createNewLayer(int layerId)
 121 {
 122     qDebug("-=[createNewLayer]=-");
 123     qDebug("layerId %d", layerId);
 124
 125     t_ilm_uint screenID = 0;
 126     t_ilm_uint width;
 127     t_ilm_uint height;
 128
 129     ilm_getScreenResolution(screenID, &width, &height);
 130
 131     t_ilm_layer newLayerId = layerId;
 132     ilm_layerCreateWithDimension(&newLayerId, width, height);
 133     ilm_layerSetOpacity(newLayerId, 1.0);
 134     ilm_layerSetVisibility(newLayerId, ILM_TRUE);
 135     ilm_layerSetSourceRectangle(newLayerId,
 136                                     0,
 137                                     0,
 138                                     width,
 139                                     height);
 140     ilm_layerSetDestinationRectangle(newLayerId,
 141                                     0,
 142                                     0,
 143                                     width,
 144                                     height);
 145
 146     ilm_commitChanges();
 147 }
 148
 149 void WindowManager::addSurfaceToLayer(int surfaceId, int layerId)
 150 {
 151     qDebug("-=[addSurfaceToLayer]=-");
 152     qDebug("surfaceId %d", surfaceId);
 153     qDebug("layerId %d", layerId);
 154
 155     if (layerId == WINDOWMANAGER_LAYER_HOMESCREEN)
 156     {
 157         struct ilmSurfaceProperties surfaceProperties;
 158         ilm_getPropertiesOfSurface(surfaceId, &surfaceProperties);
 159
 160         qDebug("sourceX %d", surfaceProperties.sourceX);
 161         qDebug("sourceY %d", surfaceProperties.sourceY);
 162         qDebug("sourceWidth %d", surfaceProperties.sourceWidth);
 163         qDebug("sourceHeight %d", surfaceProperties.sourceHeight);
 164
 165         // homescreen app always fullscreen in the back
 166         t_ilm_uint screenID = 0;
 167         t_ilm_uint width;
 168         t_ilm_uint height;
 169
 170         ilm_getScreenResolution(screenID, &width, &height);
 171
 172         ilm_surfaceSetDestinationRectangle(surfaceId, 0, 0, width, height);
 173         ilm_surfaceSetSourceRectangle(surfaceId, 0, 0, width, height);
 174         ilm_surfaceSetOpacity(surfaceId, 1.0);
 175         ilm_surfaceSetVisibility(surfaceId, ILM_TRUE);
 176
 177         ilm_layerAddSurface(layerId, surfaceId);
 178     }
 179
 180     if (layerId == WINDOWMANAGER_LAYER_APPLICATIONS)
 181     {
 182         struct ilmSurfaceProperties surfaceProperties;
 183         ilm_getPropertiesOfSurface(surfaceId, &surfaceProperties);
 184
 185         ilm_surfaceSetDestinationRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 186         ilm_surfaceSetSourceRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 187         ilm_surfaceSetOpacity(surfaceId, 0.0);
 188         ilm_surfaceSetVisibility(surfaceId, ILM_FALSE);
 189
 190         ilm_layerAddSurface(layerId, surfaceId);
 191     }
 192
 193     if (layerId == WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY)
 194     {
 195         struct ilmSurfaceProperties surfaceProperties;
 196         ilm_getPropertiesOfSurface(surfaceId, &surfaceProperties);
 197
 198         ilm_surfaceSetDestinationRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 199         ilm_surfaceSetSourceRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 200         ilm_surfaceSetOpacity(surfaceId, 0.5);
 201         ilm_surfaceSetVisibility(surfaceId, ILM_TRUE);
 202
 203         ilm_layerAddSurface(layerId, surfaceId);
 204     }
 205
 206     if (layerId == WINDOWMANAGER_LAYER_POPUP)
 207     {
 208         struct ilmSurfaceProperties surfaceProperties;
 209         ilm_getPropertiesOfSurface(surfaceId, &surfaceProperties);
 210
 211         ilm_surfaceSetDestinationRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 212         ilm_surfaceSetSourceRectangle(surfaceId, 0, 0, surfaceProperties.origSourceWidth, surfaceProperties.origSourceHeight);
 213         ilm_surfaceSetOpacity(surfaceId, 0.0);
 214         ilm_surfaceSetVisibility(surfaceId, ILM_FALSE);
 215
 216         ilm_layerAddSurface(layerId, surfaceId);
 217     }
 218
 219     ilm_commitChanges();
 220 }
 221
 222 #endif
 223
 224 void WindowManager::updateScreen()
 225 {
 226     qDebug("-=[updateScreen]=-");
 227
 228 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 229     if (-1 != m_currentLayout)
 230     {
 231
 232         // hide all surfaces
 233         for (int i = 0; i < m_surfaces.size(); ++i)
 234         {
 235             ilm_surfaceSetVisibility(m_surfaces.at(i), ILM_FALSE);
 236             ilm_surfaceSetOpacity(m_surfaces.at(i), 0.0);
 237         }
 238
 239         // find the current used layout
 240         QList<Layout>::const_iterator ci = m_layouts.begin();
 241
 242         Layout currentLayout;
 243         while (ci != m_layouts.constEnd())
 244         {
 245             if (ci->id == m_currentLayout)
 246             {
 247                 currentLayout = *ci;
 248             }
 249
 250             ++ci;
 251         }
 252
 253         qDebug("show %d apps", mp_layoutAreaToSurfaceIdAssignment->size());
 254         for (int j = 0; j < mp_layoutAreaToSurfaceIdAssignment->size(); ++j)
 255         {
 256             int surfaceToShow = mp_layoutAreaToSurfaceIdAssignment->find(j).value();
 257             qDebug("  surface no. %d: %d", j, surfaceToShow);
 258
 259             ilm_surfaceSetVisibility(surfaceToShow, ILM_TRUE);
 260             ilm_surfaceSetOpacity(surfaceToShow, 1.0);
 261
 262             qDebug("  layout area %d", j);
 263             qDebug("    x: %d", currentLayout.layoutAreas[j].x);
 264             qDebug("    y: %d", currentLayout.layoutAreas[j].y);
 265             qDebug("    w: %d", currentLayout.layoutAreas[j].width);
 266             qDebug("    h: %d", currentLayout.layoutAreas[j].height);
 267
 268             ilm_surfaceSetDestinationRectangle(surfaceToShow,
 269                                              currentLayout.layoutAreas[j].x,
 270                                              currentLayout.layoutAreas[j].y,
 271                                              currentLayout.layoutAreas[j].width,
 272                                              currentLayout.layoutAreas[j].height);
 273         }
 274
 275         ilm_commitChanges();
 276     }
 277
 278     t_ilm_layer renderOrder[WINDOWMANAGER_LAYER_NUM];
 279     renderOrder[0] = WINDOWMANAGER_LAYER_HOMESCREEN;
 280     renderOrder[1] = WINDOWMANAGER_LAYER_APPLICATIONS;
 281     renderOrder[2] = WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY;
 282     renderOrder[3] = WINDOWMANAGER_LAYER_POPUP;
 283
 284     ilm_displaySetRenderOrder(0, renderOrder, WINDOWMANAGER_LAYER_NUM);
 285
 286     ilm_commitChanges();
 287
 288 #endif
 289 }
 290
 291 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 292 void WindowManager::notificationFunc_non_static(ilmObjectType object,
 293                                     t_ilm_uint id,
 294                                     t_ilm_bool created)
 295 {
 296     qDebug("-=[notificationFunc_non_static]=-");
 297     qDebug("Notification from weston!");
 298     if (ILM_SURFACE == object)
 299     {
 300         struct ilmSurfaceProperties surfaceProperties;
 301
 302         if (created)
 303         {
 304             qDebug("Surface created, ID: %d", id);
 305             ilm_getPropertiesOfSurface(id, &surfaceProperties);
 306             qDebug("  origSourceWidth : %d", surfaceProperties.origSourceWidth);
 307             qDebug("  origSourceHeight: %d", surfaceProperties.origSourceHeight);
 308
 309             if (WINDOWMANAGER_HOMESCREEN_MAIN_SURFACE_ID == id)
 310             {
 311                 qDebug("HomeScreen app detected");
 312                 addSurfaceToLayer(id, WINDOWMANAGER_LAYER_HOMESCREEN);
 313                 updateScreen();
 314             }
 315             else
 316             {
 317                 addSurfaceToLayer(id, WINDOWMANAGER_LAYER_APPLICATIONS);
 318
 319                 m_surfaces.append(id);
 320             }
 321             ilm_surfaceAddNotification(id, surfaceCallbackFunction_static);
 322
 323             ilm_commitChanges();
 324         }
 325         else
 326         {
 327             qDebug("Surface destroyed, ID: %d", id);
 328             m_surfaces.removeAt(m_surfaces.indexOf(id));
 329             ilm_surfaceRemoveNotification(id);
 330
 331             ilm_commitChanges();
 332         }
 333     }
 334     if (ILM_LAYER == object)
 335     {
 336         //qDebug("Layer.. we don't care...");
 337     }
 338 }
 339
 340 void WindowManager::notificationFunc_static(ilmObjectType object,
 341                                             t_ilm_uint id,
 342                                             t_ilm_bool created,
 343                                             void* user_data)
 344 {
 345     static_cast<WindowManager*>(WindowManager::myThis)->notificationFunc_non_static(object, id, created);
 346 }
 347
 348 void WindowManager::surfaceCallbackFunction_non_static(t_ilm_surface surface,
 349                                     struct ilmSurfaceProperties* surfaceProperties,
 350                                     t_ilm_notification_mask mask)
 351 {
 352     qDebug("-=[surfaceCallbackFunction_non_static]=-");
 353     qDebug("surfaceCallbackFunction_non_static changes for surface %d", surface);
 354     if (ILM_NOTIFICATION_VISIBILITY & mask)
 355     {
 356         qDebug("ILM_NOTIFICATION_VISIBILITY");
 357         surfaceVisibilityChanged(surface, surfaceProperties->visibility);
 358     }
 359     if (ILM_NOTIFICATION_OPACITY & mask)
 360     {
 361         qDebug("ILM_NOTIFICATION_OPACITY");
 362     }
 363     if (ILM_NOTIFICATION_ORIENTATION & mask)
 364     {
 365         qDebug("ILM_NOTIFICATION_ORIENTATION");
 366     }
 367     if (ILM_NOTIFICATION_SOURCE_RECT & mask)
 368     {
 369         qDebug("ILM_NOTIFICATION_SOURCE_RECT");
 370     }
 371     if (ILM_NOTIFICATION_DEST_RECT & mask)
 372     {
 373         qDebug("ILM_NOTIFICATION_DEST_RECT");
 374     }
 375     if (ILM_NOTIFICATION_CONTENT_AVAILABLE & mask)
 376     {
 377         qDebug("ILM_NOTIFICATION_CONTENT_AVAILABLE");
 378         updateScreen();
 379     }
 380     if (ILM_NOTIFICATION_CONTENT_REMOVED & mask)
 381     {
 382         qDebug("ILM_NOTIFICATION_CONTENT_REMOVED");
 383     }
 384     if (ILM_NOTIFICATION_CONFIGURED & mask)
 385     {
 386         qDebug("ILM_NOTIFICATION_CONFIGURED");
 387         qDebug("  surfaceProperties %d", surface);
 388         qDebug("    surfaceProperties.origSourceWidth: %d", surfaceProperties->origSourceWidth);
 389         qDebug("    surfaceProperties.origSourceHeight: %d", surfaceProperties->origSourceHeight);
 390
 391         ilm_surfaceSetSourceRectangle(surface,
 392                                       0,
 393                                       0,
 394                                       surfaceProperties->origSourceWidth,
 395                                       surfaceProperties->origSourceHeight);
 396
 397         ilm_commitChanges();
 398         updateScreen();
 399     }
 400 }
 401
 402 void WindowManager::surfaceCallbackFunction_static(t_ilm_surface surface,
 403                                     struct ilmSurfaceProperties* surfaceProperties,
 404                                     t_ilm_notification_mask mask)
 405
 406 {
 407     static_cast<WindowManager*>(WindowManager::myThis)->surfaceCallbackFunction_non_static(surface, surfaceProperties, mask);
 408 }
 409 #endif
 410
 411 int WindowManager::layoutId() const
 412 {
 413     return m_currentLayout;
 414 }
 415
 416 QString WindowManager::layoutName() const
 417 {
 418     QList<Layout>::const_iterator i = m_layouts.begin();
 419
 420     QString result = "not found";
 421     while (i != m_layouts.constEnd())
 422     {
 423         if (i->id == m_currentLayout)
 424         {
 425             result = i->name;
 426         }
 427
 428         ++i;
 429     }
 430
 431     return result;
 432 }
 433
 434
 435 int WindowManager::addLayout(int layoutId, const QString &layoutName, const QList<LayoutArea> &surfaceAreas)
 436 {
 437     qDebug("-=[addLayout]=-");
 438     m_layouts.append(Layout(layoutId, layoutName, surfaceAreas));
 439
 440     qDebug("addLayout %d %s, size %d",
 441            layoutId,
 442            layoutName.toStdString().c_str(),
 443            surfaceAreas.size());
 444
 445     dumpScene();
 446
 447     return WINDOWMANAGER_NO_ERROR;
 448 }
 449
 450 int WindowManager::deleteLayoutById(int layoutId)
 451 {
 452     qDebug("-=[deleteLayoutById]=-");
 453     qDebug("layoutId: %d", layoutId);
 454     int result = WINDOWMANAGER_NO_ERROR;
 455
 456     if (m_currentLayout == layoutId)
 457     {
 458         result = WINDOWMANAGER_ERROR_ID_IN_USE;
 459     }
 460     else
 461     {
 462         QList<Layout>::iterator i = m_layouts.begin();
 463         result = WINDOWMANAGER_ERROR_ID_IN_USE;
 464         while (i != m_layouts.constEnd())
 465         {
 466             if (i->id == layoutId)
 467             {
 468                 m_layouts.erase(i);
 469                 result = WINDOWMANAGER_NO_ERROR;
 470                 break;
 471             }
 472
 473             ++i;
 474         }
 475     }
 476
 477     return result;
 478 }
 479
 480
 481 QList<Layout> WindowManager::getAllLayouts()
 482 {
 483     qDebug("-=[getAllLayouts]=-");
 484
 485     return m_layouts;
 486 }
 487
 488 QList<int> WindowManager::getAllSurfacesOfProcess(int pid)
 489 {
 490     QList<int> result;
 491 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 492     struct ilmSurfaceProperties surfaceProperties;
 493
 494     for (int i = 0; i < m_surfaces.size(); ++i)
 495     {
 496         ilm_getPropertiesOfSurface(m_surfaces.at(i), &surfaceProperties);
 497         if (pid == surfaceProperties.creatorPid)
 498         {
 499             result.append(m_surfaces.at(i));
 500         }
 501     }
 502 #endif
 503     return result;
 504 }
 505
 506 QList<int> WindowManager::getAvailableLayouts(int numberOfAppSurfaces)
 507 {
 508     qDebug("-=[getAvailableLayouts]=-");
 509     QList<Layout>::const_iterator i = m_layouts.begin();
 510
 511     QList<int> result;
 512     while (i != m_layouts.constEnd())
 513     {
 514         if (i->layoutAreas.size() == numberOfAppSurfaces)
 515         {
 516             result.append(i->id);
 517         }
 518
 519         ++i;
 520     }
 521
 522     return result;
 523 }
 524
 525 QList<int> WindowManager::getAvailableSurfaces()
 526 {
 527     qDebug("-=[getAvailableSurfaces]=-");
 528
 529     return m_surfaces;
 530 }
 531
 532 QString WindowManager::getLayoutName(int layoutId)
 533 {
 534     qDebug("-=[getLayoutName]=-");
 535     QList<Layout>::const_iterator i = m_layouts.begin();
 536
 537     QString result = "not found";
 538     while (i != m_layouts.constEnd())
 539     {
 540         if (i->id == layoutId)
 541         {
 542             result = i->name;
 543         }
 544
 545         ++i;
 546     }
 547
 548     return result;
 549 }
 550
 551 void WindowManager::hideLayer(int layer)
 552 {
 553     qDebug("-=[hideLayer]=-");
 554     qDebug("layer %d", layer);
 555
 556 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 557     if (0 == layer)
 558     {
 559         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_POPUP, ILM_FALSE);
 560     }
 561     if (1 == layer)
 562     {
 563         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY, ILM_FALSE);
 564     }
 565     if (2 == layer)
 566     {
 567         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_APPLICATIONS, ILM_FALSE);
 568     }
 569     if (3 == layer)
 570     {
 571         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_HOMESCREEN, ILM_FALSE);
 572     }
 573     ilm_commitChanges();
 574 #endif
 575 }
 576
 577 int WindowManager::setLayoutById(int layoutId)
 578 {
 579     qDebug("-=[setLayoutById]=-");
 580     int result = WINDOWMANAGER_NO_ERROR;
 581     m_currentLayout = layoutId;
 582
 583     mp_layoutAreaToSurfaceIdAssignment->clear();
 584
 585     dumpScene();
 586
 587     return result;
 588 }
 589
 590 int WindowManager::setLayoutByName(const QString &layoutName)
 591 {
 592     qDebug("-=[setLayoutByName]=-");
 593     int result = WINDOWMANAGER_NO_ERROR;
 594
 595     QList<Layout>::const_iterator i = m_layouts.begin();
 596
 597     while (i != m_layouts.constEnd())
 598     {
 599         if (i->name == layoutName)
 600         {
 601             m_currentLayout = i->id;
 602
 603             mp_layoutAreaToSurfaceIdAssignment->clear();
 604
 605             dumpScene();
 606         }
 607
 608         ++i;
 609     }
 610
 611     return result;
 612 }
 613
 614 int WindowManager::setSurfaceToLayoutArea(int surfaceId, int layoutAreaId)
 615 {
 616     qDebug("-=[setSurfaceToLayoutArea]=-");
 617     int result = WINDOWMANAGER_NO_ERROR;
 618
 619     qDebug("surfaceId %d", surfaceId);
 620     qDebug("layoutAreaId %d", layoutAreaId);
 621     mp_layoutAreaToSurfaceIdAssignment->insert(layoutAreaId, surfaceId);
 622
 623     updateScreen();
 624
 625     dumpScene();
 626
 627     return result;
 628 }
 629
 630 void WindowManager::showLayer(int layer)
 631 {
 632     qDebug("-=[showLayer]=-");
 633     qDebug("layer %d", layer);
 634
 635 #ifdef HAVE_IVI_LAYERMANAGEMENT_API
 636     if (0 == layer)
 637     {
 638         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_POPUP, ILM_TRUE);
 639     }
 640     if (1 == layer)
 641     {
 642         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_HOMESCREEN_OVERLAY, ILM_TRUE);
 643     }
 644     if (2 == layer)
 645     {
 646         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_APPLICATIONS, ILM_TRUE);
 647     }
 648     if (3 == layer)
 649     {
 650         ilm_layerSetVisibility(WINDOWMANAGER_LAYER_HOMESCREEN, ILM_TRUE);
 651     }
 652     ilm_commitChanges();
 653 #endif
 654 }