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authorJan-Simon Möller <jsmoeller@linuxfoundation.org>2020-09-15 23:25:23 +0200
committerJan-Simon Möller <jsmoeller@linuxfoundation.org>2020-09-15 23:25:23 +0200
commit668fbb0188f4318cc1fa5f74e6a8e72ce997ad65 (patch)
treedae1472b5fac3ea1fe33afb8fe57d6fc9c476e3a
parentfaafe61dd5f88859a005a59082d57339089ddca1 (diff)
Add gitreview file for jellyfish branchjellyfish_10.0.3jellyfish_10.0.2jellyfish_10.0.1jellyfish_10.0.0jellyfish/10.0.3jellyfish/10.0.2jellyfish/10.0.1jellyfish/10.0.010.0.310.0.210.0.110.0.0jellyfish
Update the .gitreview file. Change-Id: I05d9d267aa50f124eb23c46d0d0509ee9ee30454 Bug-AGL: SPEC-3581 Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Diffstat
-rw-r--r--.gitreview2
1 files changed, 1 insertions, 1 deletions
diff --git a/.gitreview b/.gitreview
index f9a2d6c..3c5da12 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
host=gerrit.automotivelinux.org
port=29418
project=src/vod-server
-defaultbranch=master
+defaultbranch=jellyfish
105' href='#n105'>105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 
/*
 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
 * Copyright (c) 2018 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <assert.h>
#include <unistd.h>
#include "wm_layer_control.hpp"
#include "wm_layer.hpp"
#include "wm_client.hpp"
#include "request.hpp"
#include "json_helper.hpp"

#define LC_AREA_FILE "areas.json"
#define LC_LAYER_SETTING_FILE "layers.json"
#define LC_DEFAULT_AREA "fullscreen"
#define BACK_GROUND_LAYER "BackGroundLayer"

using std::string;
using std::vector;
using std::shared_ptr;

namespace wm {

LayerControl* g_lc_ctxt;

static void createCallback_static(ilmObjectType object,
                            t_ilm_uint id,
                            t_ilm_bool created,
                            void* data)
{
    static_cast<LayerControl*>(data)->dispatchCreateEvent(object, id, created);
}

static void surfaceCallback_static(t_ilm_surface surface,
            struct ilmSurfaceProperties* surface_prop,
            t_ilm_notification_mask mask)
{
    g_lc_ctxt->dispatchSurfacePropChangeEvent(surface, surface_prop, mask);
}

static void layerCallback_static(t_ilm_layer layer,
            struct ilmLayerProperties* layer_prop,
            t_ilm_notification_mask mask)
{
    g_lc_ctxt->dispatchLayerPropChangeEvent(layer, layer_prop, mask);
}

LayerControl::LayerControl(const std::string& root)
{
    string area_path(get_file_path(LC_AREA_FILE, root.c_str()));
    string layer_path(get_file_path(LC_LAYER_SETTING_FILE, root.c_str()));
    // load layers.setting.json
    WMError ret = this->loadLayerSetting(layer_path);
    assert(ret == WMError::SUCCESS);
    // load areas.json
    ret = this->loadAreaDb(area_path);
    assert(ret == WMError::SUCCESS);
}

WMError LayerControl::init(const LayerControlCallbacks& cb)
{
    HMI_DEBUG("Initialize of ilm library and display");
    t_ilm_uint num = 0;
    t_ilm_uint *ids;
    int cnt = 0;
    ilmErrorTypes rc = ilm_init();

    while (rc != ILM_SUCCESS)
    {
        cnt++;
        if (20 <= cnt)
        {
            HMI_ERROR("Could not connect to compositor");
            goto lc_init_error;
        }
        HMI_ERROR("Wait to start weston ...");
        sleep(1);
        rc = ilm_init();
    }
    if(rc != ILM_SUCCESS) goto lc_init_error;

    // Get current screen setting
    rc = ilm_getScreenIDs(&num, &ids);

    if(rc != ILM_SUCCESS) goto lc_init_error;

    for(unsigned i = 0; i < num; i++)
    {
        HMI_INFO("get screen: %d", ids[i]);
    }
    // Currently, 0 is only available
    this->screenID = ids[0];

    rc = ilm_getPropertiesOfScreen(this->screenID, &this->screen_prop);

    if(rc != ILM_SUCCESS) goto lc_init_error;

    // Register Callback to Window Manager and from ILM
    this->cb = cb;
    ilm_registerNotification(createCallback_static, this);

    return WMError::SUCCESS;

lc_init_error:
    HMI_ERROR("Failed to initialize. Terminate WM");

    return WMError::FAIL;
}

void LayerControl::createNewLayer(unsigned id)
{
    HMI_INFO("create new ID :%d", id);
    struct rect rct = this->area2size[LC_DEFAULT_AREA];
    ilm_layerCreateWithDimension(&id, rct.w, rct.h);
    //ilm_layerSetSourceRectangle(id, rct.x, rct.y, rct.w, rct.h);
    ilm_layerSetDestinationRectangle(id, this->offset_x, this->offset_y, rct.w, rct.h);
    ilm_layerSetOpacity(id, 1.0);
    ilm_layerSetVisibility(id, ILM_FALSE);
    ilm_commitChanges();
    auto wm_layer = getWMLayer(id);
    wm_layer->addLayerToState(id);
    this->renderLayers();
}

unsigned LayerControl::getNewLayerID(const string& role)
{
    unsigned ret = 0;
    for(const auto& l: this->wm_layers)
    {
        ret = l->getNewLayerID(role);
        if(ret != 0)
        {
            unsigned wmlid = l->getWMLayerID();
            this->lid2wmlid[ret] = wmlid;
            break;
        }
    }
    return ret;
}

shared_ptr<WMLayer> LayerControl::getWMLayer(unsigned layer)
{
    unsigned wm_lid = this->lid2wmlid[layer];
    return this->wm_layers[wm_lid];
}

std::shared_ptr<WMLayer> LayerControl::getWMLayer(std::string layer_name)
{
    for(auto &l : this->wm_layers)
    {
        if(l->layerName() == layer_name)
        {
            return l;
        }
    }
    return nullptr;
}

struct rect LayerControl::getAreaSize(const std::string& area)
{
    return area2size[area];
}

void LayerControl::setupArea(const rectangle& base_rct, double scaling)
{
    this->scaling = scaling;
    this->offset_x = base_rct.left();
    this->offset_y = base_rct.top();

    for (auto &i : this->area2size)
    {
        i.second.x = static_cast<int>(scaling * i.second.x + 0.5);
        i.second.y = static_cast<int>(scaling * i.second.y + 0.5);
        i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
        i.second.h = static_cast<int>(scaling * i.second.h + 0.5);

        HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
            i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
    }
}

Screen LayerControl::getScreenInfo()
{
    return Screen(this->screen_prop.screenWidth, this->screen_prop.screenHeight);
}

double LayerControl::scale()
{
    return this->scaling;
}

WMError LayerControl::renderLayers()
{
    HMI_INFO("Commit change");
    WMError rc = WMError::SUCCESS;

    // Check the number of layers
    vector<unsigned> ivi_l_ids;
    for(auto& l : this->wm_layers)
    {
        auto state = l->getLayerState();
        HMI_DEBUG("layer %s", l->layerName().c_str());
        for(const auto& id : state.getIviIdList())
        {
            HMI_DEBUG("Add %d", id);
            ivi_l_ids.push_back(id);
        }
    }

    // Create render order
    t_ilm_layer* id_array = new t_ilm_layer[ivi_l_ids.size()];
    if(id_array == nullptr)
    {
        HMI_WARNING("short memory");
        this->undoUpdate();
        return WMError::FAIL;
    }
    int count = 0;
    for(const auto& i : ivi_l_ids)
    {
        id_array[count] = i;
        ++count;
    }

    // Display
    ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, ivi_l_ids.size());
    if(ret != ILM_SUCCESS)
    {
        this->undoUpdate();
        rc = WMError::FAIL;
    }
    else
    {
        for(auto& l : this->wm_layers)
        {
            l->update();
        }
    }
    ilm_commitChanges();
    delete id_array;
    return rc;
}

WMError LayerControl::setXDGSurfaceOriginSize(unsigned surface)
{
    WMError ret = WMError::NOT_REGISTERED;
    ilmSurfaceProperties prop;
    ilmErrorTypes rc = ilm_getPropertiesOfSurface(surface, &prop);
    if(rc == ILM_SUCCESS)
    {
        HMI_INFO("xdg surface info %d, %d", prop.origSourceWidth, prop.origSourceHeight);
        ilm_surfaceSetSourceRectangle(surface, 0, 0, prop.origSourceWidth, prop.origSourceHeight);
        ret = WMError::SUCCESS;
    }
    return ret;
}


void LayerControl::undoUpdate()
{
    for(auto& l : this->wm_layers)
    {
        l->undo();
    }
}

WMError LayerControl::loadLayerSetting(const string &path)
{
    HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path.c_str());

    json_object *json_obj, *json_cfg;
    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
    if (0 > ret)
    {
        HMI_ERROR("Could not open %s", path.c_str());
        return WMError::FAIL;
    }
    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));

    if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
    {
        HMI_ERROR("Parse Error!!");
        return WMError::FAIL;
    }

    int len = json_object_array_length(json_cfg);
    HMI_DEBUG("json_cfg len:%d", len);

    for (int i = 0; i < len; i++)
    {
        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));

        this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp, i));
    }
    json_object_put(json_obj);

    return WMError::SUCCESS;
}

WMError LayerControl::loadAreaDb(const std::string& path)
{
    // Load area.db
    json_object *json_obj;
    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
    if (0 > ret)
    {
        HMI_ERROR("Could not open %s", path.c_str());
        return WMError::FAIL;
    }
    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));

    // Perse areas
    json_object *json_cfg;
    if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
    {
        HMI_ERROR("Parse Error!!");
        return WMError::FAIL;
    }

    int len = json_object_array_length(json_cfg);
    HMI_DEBUG("json_cfg len:%d", len);

    const char *area;
    for (int i = 0; i < len; i++)
    {
        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));

        area = jh::getStringFromJson(json_tmp, "name");
        if (nullptr == area)
        {
            HMI_ERROR("Parse Error!!");
            return WMError::FAIL;
        }
        HMI_DEBUG("> area:%s", area);

        json_object *json_rect;
        if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
        {
            HMI_ERROR("Parse Error!!");
            return WMError::FAIL;
        }
        HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));

        struct rect area_size;
        area_size.x = jh::getIntFromJson(json_rect, "x");
        area_size.y = jh::getIntFromJson(json_rect, "y");
        area_size.w = jh::getIntFromJson(json_rect, "w");
        area_size.h = jh::getIntFromJson(json_rect, "h");

        this->area2size[area] = area_size;
    }

    // Check
    for (const auto& itr : this->area2size)
    {
        HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
                  itr.first.c_str(), itr.second.x, itr.second.y,
                  itr.second.w, itr.second.h);
    }

    // Release json_object
    json_object_put(json_obj);

    return WMError::SUCCESS;
}

WMError LayerControl::layoutChange(const WMAction& action)
{
    if (action.visible == TaskVisible::INVISIBLE)
    {
        // Visibility is not change -> no redraw is required
        return WMError::SUCCESS;
    }
    if(action.client == nullptr)
    {
        HMI_SEQ_ERROR(action.req_num, "client may vanish");
        return WMError::NOT_REGISTERED;
    }
    unsigned layer = action.client->layerID();
    unsigned surface = action.client->surfaceID();

    auto rect = this->getAreaSize(action.area);
    HMI_SEQ_INFO(action.req_num, "Set layout %d, %d, %d, %d",rect.x, rect.y, rect.w, rect.h);

    // Sometimes, ivi_wm_surface_size signal doesn't reach window manager,
    // then, Window Manager set set source size = 0.
    if(!action.client->isSourceSizeSet())
    {
        ilmSurfaceProperties sp;
        if (ILM_SUCCESS != ilm_getPropertiesOfSurface(surface, &sp))
            return WMError::FAIL;

        if  (sp.origSourceHeight != sp.sourceHeight ||
             sp.origSourceWidth  != sp.sourceWidth)
        {
            HMI_SEQ_NOTICE(action.req_num, "set source size w:%d h%d", sp.origSourceWidth, sp.origSourceHeight);
            ilm_surfaceSetSourceRectangle(surface, 0, 0, sp.origSourceWidth, sp.origSourceHeight);
            ilm_commitChanges();
            action.client->setSurfaceSizeCorrectly();
        }
    }

    ilm_surfaceSetDestinationRectangle(surface, rect.x, rect.y, rect.w, rect.h);
    ilm_commitChanges();
    action.client->setArea(action.area);
    for(auto &wm_layer: this->wm_layers)
    {
        // Store the state who is assigned to the area
        if(wm_layer->hasLayerID(layer))
        {
            wm_layer->attachAppToArea(action.client->appID(), action.area);
            /* TODO: manipulate state directly
            LayerState ls = wm_layer->getLayerState();
            ls.seattachAppToAreatArea(action.client->appID(), action.area);
            wm_layer->dump(); */
        }
    }

    return WMError::SUCCESS;
}

WMError LayerControl::visibilityChange(const WMAction& action)
{
    WMError ret = WMError::FAIL;
    if(action.client == nullptr)
    {
        HMI_SEQ_ERROR(action.req_num, "client may vanish");
        return WMError::NOT_REGISTERED;
    }

    if (action.visible == TaskVisible::VISIBLE)
    {
        ret = this->makeVisible(action.client);
    }
    else if (action.visible == TaskVisible::INVISIBLE)
    {
        ret = this->makeInvisible(action.client);
    }
    ilm_commitChanges();
    return ret;
}

WMError LayerControl::updateAreaList(const ChangeAreaReq& req)
{
    // error check
    for(const auto& elem : req.area_req)
    {
        if(this->area2size.find(elem.first) == this->area2size.end())
        {
            HMI_ERROR("requested area %s is not registered in area list", elem.first.c_str());
            return WMError::NOT_REGISTERED;
        }
    }
    // update list
    for(const auto& elem : req.area_req)
    {
        this->area2size[elem.first] = elem.second;
    }
    if(req.save)
    {
        HMI_NOTICE("Not implemented");
        // TODO
    }
    return WMError::SUCCESS;
}

WMError LayerControl::getUpdateAreaList(ChangeAreaReq *req)
{
    for(const auto& wm_layer : this->wm_layers)
    {
        // get area name and compare it with elem
        for(const auto& area : req->area_req)
        {
            string app = wm_layer->attachedApp(area.first);
            if(!app.empty())
            {
                HMI_INFO("app %s changes area %s", app.c_str(), area.first.c_str());
                req->update_app2area[app] = area.first;
            }
        }
    }
    return WMError::SUCCESS;
}

void LayerControl::appTerminated(const shared_ptr<WMClient> client)
{
    for(auto& l : this->wm_layers)
    {
        if(l->hasLayerID(client->layerID()))
        {
            l->appTerminated(client->layerID());
        }
    }
}

void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
{
    if (ILM_SURFACE == object)
    {
        if (created)
        {
            ilmSurfaceProperties sp;
            ilmErrorTypes rc;
            rc = ilm_getPropertiesOfSurface(id, &sp);
            if(rc != ILM_SUCCESS)
            {
                HMI_ERROR("Failed to get surface %d property due to %d", id, ilm_getError());
                return;
            }
            this->cb.surfaceCreated(sp.creatorPid, id);
            ilm_surfaceAddNotification(id, surfaceCallback_static);
            ilm_surfaceSetVisibility(id, ILM_TRUE);
            ilm_surfaceSetType(id, ILM_SURFACETYPE_DESKTOP);
        }
        else
        {
            this->cb.surfaceDestroyed(id);
        }
    }
    if (ILM_LAYER == object)
    {
        if(created)
        {
            ilm_layerAddNotification(id, layerCallback_static);
        }
        else
        {
            // Ignore here. Nothing to do currently.
            // Process of application dead is handled by Window Manager
            // from binder notification
        }
    }
}

void LayerControl::dispatchSurfacePropChangeEvent(unsigned id,
        struct ilmSurfaceProperties* sprop,
        t_ilm_notification_mask mask)
{
    /*
      ILM_NOTIFICATION_CONTENT_AVAILABLE & ILM_NOTIFICATION_CONTENT_REMOVED
      are not handled here, handled in create/destroy event
     */
    if (ILM_NOTIFICATION_VISIBILITY & mask)
    {
        HMI_DEBUG("surface %d turns visibility %d", id, sprop->visibility);
    }
    if (ILM_NOTIFICATION_OPACITY & mask)
    {
        HMI_DEBUG("surface %d turns opacity %f", id, sprop->opacity);
    }
    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
    {
        HMI_DEBUG("surface %d source rect changes", id);
    }
    if (ILM_NOTIFICATION_DEST_RECT & mask)
    {
        HMI_DEBUG("surface %d dest rect changes", id);
    }
    if (ILM_NOTIFICATION_CONFIGURED & mask)
    {
        HMI_DEBUG("surface %d size %d, %d, %d, %d", id,
            sprop->sourceX, sprop->sourceY, sprop->origSourceWidth, sprop->origSourceHeight);
        ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
    }
}

void LayerControl::dispatchLayerPropChangeEvent(unsigned id,
        struct ilmLayerProperties* lprop,
        t_ilm_notification_mask mask)
{
    if (ILM_NOTIFICATION_VISIBILITY & mask)
    {
        HMI_DEBUG("layer %d turns visibility %d", id, lprop->visibility);
    }
    if (ILM_NOTIFICATION_OPACITY & mask)
    {
        HMI_DEBUG("layer %d turns opacity %f", id, lprop->opacity);
    }
    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
    {
        HMI_DEBUG("layer %d source rect changes", id);
    }
    if (ILM_NOTIFICATION_DEST_RECT & mask)
    {
        HMI_DEBUG("layer %d dest rect changes", id);
    }
}

WMError LayerControl::makeVisible(const shared_ptr<WMClient> client)
{
    WMError ret = WMError::SUCCESS;
    // Don't check here wheher client is nullptr or not
    unsigned layer = client->layerID();

    this->moveForeGround(client);

    ilm_layerSetVisibility(layer, ILM_TRUE);

    return ret;
}

WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client)
{
    WMError ret = WMError::SUCCESS;
    // Don't check here the client is not nullptr
    unsigned layer = client->layerID();

    bool mv_ok = this->moveBackGround(client);

    if(!mv_ok)
    {
        HMI_INFO("make invisible client %s", client->appID().c_str());
        ilm_layerSetVisibility(layer, ILM_FALSE);
    }

    return ret;
}

bool LayerControl::moveBackGround(const shared_ptr<WMClient> client)
{
    bool ret = false;

    // Move background from foreground layer
    auto bg = this->getWMLayer(BACK_GROUND_LAYER);
    if(bg != nullptr)
    {
        HMI_DEBUG("client %s role %s", client->appID().c_str(), client->role().c_str());
        unsigned layer = client->layerID();
        if(bg->hasRole(client->role()))
        {
            HMI_INFO("%s go to background", client->appID().c_str());
            bg->addLayerToState(layer);
            auto wm_layer = this->getWMLayer(layer);
            wm_layer->removeLayerFromState(layer);
            /* TODO: manipulate state directly
            LayerState bg_ls = bg->getLayerState();
            bg_ls.addLayer(layer);
            LayerState ls = wm_layer->getLayerState();
            ls.removeLayer(layer); */
            bg->dump();
            wm_layer->dump();
            ret = true;
        }
    }
    return ret;
}

bool LayerControl::moveForeGround(const shared_ptr<WMClient> client)
{
    bool ret = false;

    // Move foreground from foreground layer
    auto bg = this->getWMLayer(BACK_GROUND_LAYER);
    if(bg != nullptr)
    {
        if(bg->hasRole(client->role()))
        {
            unsigned layer = client->layerID();
            HMI_INFO("%s go to foreground", client->appID().c_str());
            bg->removeLayerFromState(layer);
            auto wm_layer = this->getWMLayer(layer);
            wm_layer->addLayerToState(layer);
            /* TODO: manipulate state directly
            LayerState bg_ls = bg->getLayerState();
            bg_ls.removeLayer(layer);
            LayerState ls = wm_layer->getLayerState();
            ls.addLayer(layer); */
            bg->dump();
            wm_layer->dump();
            ret = true;
        }
    }
    return ret;
}

} // namespace wm