pepper-dali/internal/extensions/tizen-policy.cpp

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   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
  18 #include "tizen-policy.h"
  19
  20 #include <dali/integration-api/debug.h>
  21 #include <tizen-extension-server-protocol.h>
  22
  23 namespace Dali
  24 {
  25
  26 namespace Pepper
  27 {
  28
  29 namespace Internal
  30 {
  31
  32 namespace Extension
  33 {
  34
  35 namespace
  36 {
  37
  38 #if defined(DEBUG_ENABLED)
  39 Integration::Log::Filter* gPepperTizenPolicyLogging  = Integration::Log::Filter::New( Debug::Verbose, false, "LOG_PEPPER_TIZEN_POLICY" );
  40 #endif
  41
  42 } // unnamed namespace
  43
  44 /* tizen policy data for pepper_surface_t */
  45 typedef struct
  46 {
  47    pepper_surface_t *psurf;
  48    pepper_event_listener_t *psurf_destroy_listener;
  49    struct wl_list resource_list;
  50    VisibilityState visibility;
  51    int references;
  52 } tzpol_surface_t;
  53
  54 const static char       *tsurf_data_key = "tzpol-surf";
  55 static struct wl_global *_tzpol_global = NULL;
  56 static struct wl_list    _tzpol_res_list;
  57
  58 static void
  59 _tzpol_surface_del(tzpol_surface_t *tsurf)
  60 {
  61    free(tsurf);
  62 }
  63
  64 static void
  65 _tzpol_surface_unref(tzpol_surface_t *tsurf, struct wl_resource *unref)
  66 {
  67    int res;
  68
  69    res = wl_list_empty(&tsurf->resource_list);
  70    if (res)
  71      {
  72         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "Couldn't unreference, list is empty" );
  73         return;
  74      }
  75
  76    wl_list_remove(wl_resource_get_link(unref));
  77    wl_resource_set_user_data(unref, NULL);
  78
  79    res = wl_list_empty(&tsurf->resource_list);
  80    if (res)
  81      {
  82         pepper_event_listener_remove(tsurf->psurf_destroy_listener);
  83         pepper_object_set_user_data((pepper_object_t *)tsurf->psurf,
  84                                     (const void *)tsurf_data_key, NULL, NULL);
  85         _tzpol_surface_del(tsurf);
  86      }
  87 }
  88
  89 static void
  90 _tzpol_surface_ref(tzpol_surface_t *tsurf, struct wl_resource *ref)
  91 {
  92    wl_list_insert(&tsurf->resource_list, wl_resource_get_link(ref));
  93    wl_resource_set_user_data(ref, tsurf);
  94 }
  95
  96 static void
  97 _tzpol_surface_pepper_surf_cb_destroy(pepper_event_listener_t *listener, pepper_object_t *object, uint32_t id, void *info, void *data)
  98 {
  99    tzpol_surface_t *tsurf;
 100    struct wl_resource *res, *tmp;
 101
 102    tsurf = (tzpol_surface_t*)data;
 103
 104    wl_resource_for_each_safe(res, tmp, &tsurf->resource_list)
 105         _tzpol_surface_unref(tsurf, res);
 106 }
 107
 108 static tzpol_surface_t *
 109 _tzpol_surface_get(pepper_surface_t *psurf)
 110 {
 111    tzpol_surface_t *tsurf;
 112
 113    tsurf = (tzpol_surface_t*)pepper_object_get_user_data((pepper_object_t *)psurf,
 114                                        (const void *)tsurf_data_key);
 115    if (!tsurf)
 116      {
 117         tsurf = (tzpol_surface_t*)calloc(1, sizeof(*tsurf));
 118         if (!tsurf)
 119           return NULL;
 120
 121         tsurf->psurf = psurf;
 122
 123         wl_list_init(&tsurf->resource_list);
 124
 125         tsurf->psurf_destroy_listener =
 126            pepper_object_add_event_listener((pepper_object_t *)psurf,
 127                                             PEPPER_EVENT_OBJECT_DESTROY, 0,
 128                                             _tzpol_surface_pepper_surf_cb_destroy, tsurf);
 129         pepper_object_set_user_data((pepper_object_t *)psurf,
 130                                     (const void *)tsurf_data_key, tsurf, NULL);
 131      }
 132
 133    tsurf->references++;
 134
 135    return tsurf;
 136 }
 137
 138 // --------------------------------------------------------
 139 // visibility
 140 // --------------------------------------------------------
 141 static void
 142 _tzvis_iface_cb_destroy(struct wl_client *client, struct wl_resource *res_tzvis)
 143 {
 144    wl_resource_destroy(res_tzvis);
 145 }
 146
 147 static const struct tizen_visibility_interface _tzvis_iface =
 148 {
 149    _tzvis_iface_cb_destroy
 150 };
 151
 152 static void
 153 _tzvis_res_cb_destroy(struct wl_resource *res_tzvis)
 154 {
 155    tzpol_surface_t *tsurf;
 156
 157    tsurf = (tzpol_surface_t*)wl_resource_get_user_data(res_tzvis);
 158    if (!tsurf)
 159      return;
 160
 161    _tzpol_surface_unref(tsurf, res_tzvis);
 162 }
 163
 164 static void
 165 _tzpol_iface_cb_vis_get(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t id, struct wl_resource *surf)
 166 {
 167    tzpol_surface_t *tsurf;
 168    pepper_surface_t *psurf;
 169    struct wl_resource *new_res;
 170    int ver;
 171
 172    if (!surf)
 173      {
 174         wl_resource_post_error(res_tzpol, WL_DISPLAY_ERROR_INVALID_OBJECT,
 175                                "tizen_policy::visibility_get requires surface");
 176         return;
 177      }
 178
 179    psurf = (pepper_surface_t*)wl_resource_get_user_data(surf);
 180    if (!psurf)
 181      {
 182         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "failed to get pepper_surface from wl_resource" );
 183         wl_resource_post_error(res_tzpol, WL_DISPLAY_ERROR_INVALID_OBJECT,
 184                                "tizen_policy::visibility_get invalid surface resource");
 185         return;
 186      }
 187
 188    DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "tizen_policy::visibility_get" );
 189    tsurf = _tzpol_surface_get(psurf);
 190    if (!tsurf)
 191      {
 192         wl_resource_post_no_memory(res_tzpol);
 193         return;
 194      }
 195
 196    ver = wl_resource_get_version(res_tzpol);
 197    new_res = wl_resource_create(client, &tizen_visibility_interface, ver, id);
 198    if (!new_res)
 199      {
 200         wl_resource_post_no_memory(res_tzpol);
 201         return;
 202      }
 203
 204    wl_resource_set_implementation(new_res, &_tzvis_iface, tsurf, _tzvis_res_cb_destroy);
 205    _tzpol_surface_ref(tsurf, new_res);
 206 }
 207
 208 // --------------------------------------------------------
 209 // position
 210 // --------------------------------------------------------
 211 static void
 212 _tzpos_iface_cb_destroy(struct wl_client *client, struct wl_resource *res_tzpos)
 213 {
 214    wl_resource_destroy(res_tzpos);
 215 }
 216
 217 static void
 218 _tzpos_iface_cb_set(struct wl_client *client, struct wl_resource *res_tzpos, int32_t x, int32_t y)
 219 {
 220    (void)client;
 221    (void)res_tzpos;
 222    (void)x;
 223    (void)y;
 224 }
 225
 226 static const struct tizen_position_interface _tzpos_iface =
 227 {
 228    _tzpos_iface_cb_destroy,
 229    _tzpos_iface_cb_set,
 230 };
 231
 232 static void
 233 _tzpos_res_cb_destroy(struct wl_resource *res_tzpos)
 234 {
 235    tzpol_surface_t *tsurf;
 236
 237    tsurf = (tzpol_surface_t*)wl_resource_get_user_data(res_tzpos);
 238    if (!tsurf)
 239      return;
 240
 241    _tzpol_surface_unref(tsurf, res_tzpos);
 242 }
 243
 244 static void
 245 _tzpol_iface_cb_pos_get(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t id, struct wl_resource *surf)
 246 {
 247    tzpol_surface_t *tsurf;
 248    pepper_surface_t *psurf;
 249    struct wl_resource *new_res;
 250    int ver;
 251
 252    if (!surf)
 253      {
 254         wl_resource_post_error(res_tzpol, WL_DISPLAY_ERROR_INVALID_OBJECT,
 255                                "tizen_policy::visibility_get requires surface");
 256         return;
 257      }
 258
 259    psurf = (pepper_surface_t*)wl_resource_get_user_data(surf);
 260    if (!psurf)
 261      {
 262         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "failed to get pepper_surface from wl_resource" );
 263         wl_resource_post_error(res_tzpol, WL_DISPLAY_ERROR_INVALID_OBJECT,
 264                                "tizen_policy::visibility_get invalid surface resource");
 265         return;
 266      }
 267
 268    DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "tizen_policy::visibility_get" );
 269    tsurf = _tzpol_surface_get(psurf);
 270    if (!tsurf)
 271      {
 272         wl_resource_post_no_memory(res_tzpol);
 273         return;
 274      }
 275
 276    ver = wl_resource_get_version(res_tzpol);
 277    new_res = wl_resource_create(client, &tizen_position_interface, ver, id);
 278    if (!new_res)
 279      {
 280         wl_resource_post_no_memory(res_tzpol);
 281         return;
 282      }
 283
 284    wl_resource_set_implementation(new_res, &_tzpos_iface, tsurf, _tzpos_res_cb_destroy);
 285    _tzpol_surface_ref(tsurf, new_res);
 286 }
 287
 288 // --------------------------------------------------------
 289 // stack: activate, raise, lower
 290 // --------------------------------------------------------
 291 static void
 292 _tzpol_iface_cb_activate(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 293 {
 294    (void)client;
 295    (void)res_tzpol;
 296    (void)surf;
 297 }
 298
 299 static void
 300 _tzpol_iface_cb_activate_below_by_res_id(struct wl_client *client, struct wl_resource *res_tzpol,  uint32_t res_id, uint32_t below_res_id)
 301 {
 302    (void)client;
 303    (void)res_tzpol;
 304    (void)res_id;
 305    (void)below_res_id;
 306 }
 307
 308 static void
 309 _tzpol_iface_cb_activate_above_by_res_id(struct wl_client *client, struct wl_resource *res_tzpol,  uint32_t res_id, uint32_t above_res_id)
 310 {
 311    (void)client;
 312    (void)res_tzpol;
 313    (void)res_id;
 314    (void)above_res_id;
 315 }
 316
 317 static void
 318 _tzpol_iface_cb_raise(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 319 {
 320    (void)client;
 321    (void)res_tzpol;
 322    (void)surf;
 323 }
 324
 325 static void
 326 _tzpol_iface_cb_lower(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 327 {
 328    (void)client;
 329    (void)res_tzpol;
 330    (void)surf;
 331 }
 332
 333 static void
 334 _tzpol_iface_cb_lower_by_res_id(struct wl_client *client, struct wl_resource *res_tzpol,  uint32_t res_id)
 335 {
 336    (void)client;
 337    (void)res_tzpol;
 338    (void)res_id;
 339 }
 340
 341 // --------------------------------------------------------
 342 // focus
 343 // --------------------------------------------------------
 344 static void
 345 _tzpol_iface_cb_focus_skip_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 346 {
 347    (void)client;
 348    (void)res_tzpol;
 349    (void)surf;
 350 }
 351
 352 static void
 353 _tzpol_iface_cb_focus_skip_unset(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 354 {
 355    (void)client;
 356    (void)res_tzpol;
 357    (void)surf;
 358 }
 359
 360 // --------------------------------------------------------
 361 // role
 362 // --------------------------------------------------------
 363 static void
 364 _tzpol_iface_cb_role_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, const char *role)
 365 {
 366    (void)client;
 367    (void)res_tzpol;
 368    (void)surf;
 369    (void)role;
 370 }
 371
 372 static void
 373 _tzpol_iface_cb_type_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, uint32_t type)
 374 {
 375    (void)client;
 376    (void)res_tzpol;
 377    (void)surf;
 378    (void)type;
 379 }
 380
 381 // --------------------------------------------------------
 382 // conformant
 383 // --------------------------------------------------------
 384 static void
 385 _tzpol_iface_cb_conformant_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 386 {
 387    (void)client;
 388    (void)res_tzpol;
 389    (void)surf;
 390 }
 391
 392 static void
 393 _tzpol_iface_cb_conformant_unset(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 394 {
 395    (void)client;
 396    (void)res_tzpol;
 397    (void)surf;
 398 }
 399
 400 static void
 401 _tzpol_iface_cb_conformant_get(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 402 {
 403    (void)client;
 404    (void)res_tzpol;
 405    (void)surf;
 406 }
 407
 408 // --------------------------------------------------------
 409 // notification level
 410 // --------------------------------------------------------
 411 static void
 412 _tzpol_iface_cb_notilv_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, int32_t lv)
 413 {
 414    (void)client;
 415    (void)res_tzpol;
 416    (void)surf;
 417    (void)lv;
 418 }
 419
 420 // --------------------------------------------------------
 421 // transient for
 422 // --------------------------------------------------------
 423 static void
 424 _tzpol_iface_cb_transient_for_set(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t child_id, uint32_t parent_id)
 425 {
 426    (void)client;
 427    (void)res_tzpol;
 428    (void)child_id;
 429    (void)parent_id;
 430 }
 431
 432 static void
 433 _tzpol_iface_cb_transient_for_unset(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t child_id)
 434 {
 435    (void)client;
 436    (void)res_tzpol;
 437    (void)child_id;
 438 }
 439
 440 // --------------------------------------------------------
 441 // window screen mode
 442 // --------------------------------------------------------
 443 static void
 444 _tzpol_iface_cb_win_scrmode_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, uint32_t mode)
 445 {
 446    (void)client;
 447    (void)res_tzpol;
 448    (void)surf;
 449    (void)mode;
 450 }
 451
 452 // --------------------------------------------------------
 453 // subsurface
 454 // --------------------------------------------------------
 455 static void
 456 _tzpol_iface_cb_subsurf_place_below_parent(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *subsurf)
 457 {
 458    (void)client;
 459    (void)res_tzpol;
 460    (void)subsurf;
 461 }
 462
 463 static void
 464 _tzpol_iface_cb_subsurf_stand_alone_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *subsurf)
 465 {
 466    (void)client;
 467    (void)res_tzpol;
 468    (void)subsurf;
 469 }
 470
 471 static void
 472 _tzpol_iface_cb_subsurface_get(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t id, struct wl_resource *surface, uint32_t parent_id)
 473 {
 474    (void)client;
 475    (void)res_tzpol;
 476    (void)id;
 477    (void)surface;
 478    (void)parent_id;
 479 }
 480
 481 static void
 482 _tzpol_iface_cb_opaque_state_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surface, int32_t state)
 483 {
 484    (void)client;
 485    (void)res_tzpol;
 486    (void)surface;
 487    (void)state;
 488 }
 489
 490 // --------------------------------------------------------
 491 // iconify
 492 // --------------------------------------------------------
 493 static void
 494 _tzpol_iface_cb_iconify(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 495 {
 496    (void)client;
 497    (void)res_tzpol;
 498    (void)surf;
 499 }
 500
 501 static void
 502 _tzpol_iface_cb_uniconify(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 503 {
 504    (void)client;
 505    (void)res_tzpol;
 506    (void)surf;
 507 }
 508
 509 static void
 510 _tzpol_iface_cb_aux_hint_add(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, int32_t id, const char *name, const char *value)
 511 {
 512    (void)client;
 513    (void)res_tzpol;
 514    (void)surf;
 515    (void)id;
 516    (void)name;
 517    (void)value;
 518 }
 519
 520 static void
 521 _tzpol_iface_cb_aux_hint_change(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, int32_t id, const char *value)
 522 {
 523    (void)client;
 524    (void)res_tzpol;
 525    (void)surf;
 526    (void)id;
 527    (void)value;
 528 }
 529
 530 static void
 531 _tzpol_iface_cb_aux_hint_del(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, int32_t id)
 532 {
 533    (void)client;
 534    (void)res_tzpol;
 535    (void)surf;
 536    (void)id;
 537 }
 538
 539 static void
 540 _tzpol_iface_cb_supported_aux_hints_get(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 541 {
 542    (void)client;
 543    (void)res_tzpol;
 544    (void)surf;
 545 }
 546
 547 static void
 548 _tzpol_iface_cb_background_state_set(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t pid)
 549 {
 550    (void)client;
 551    (void)res_tzpol;
 552    (void)pid;
 553 }
 554
 555 static void
 556 _tzpol_iface_cb_background_state_unset(struct wl_client *client, struct wl_resource *res_tzpol, uint32_t pid)
 557 {
 558    (void)client;
 559    (void)res_tzpol;
 560    (void)pid;
 561 }
 562
 563 static void
 564 _tzpol_iface_cb_floating_mode_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 565 {
 566    (void)client;
 567    (void)res_tzpol;
 568    (void)surf;
 569 }
 570
 571 static void
 572 _tzpol_iface_cb_floating_mode_unset(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf)
 573 {
 574    (void)client;
 575    (void)res_tzpol;
 576    (void)surf;
 577 }
 578
 579 static void
 580 _tzpol_iface_cb_stack_mode_set(struct wl_client *client, struct wl_resource *res_tzpol, struct wl_resource *surf, uint32_t mode)
 581 {
 582    (void)client;
 583    (void)res_tzpol;
 584    (void)surf;
 585    (void)mode;
 586 }
 587
 588 static const struct tizen_policy_interface _tzpol_iface =
 589 {
 590    _tzpol_iface_cb_vis_get,
 591    _tzpol_iface_cb_pos_get,
 592    _tzpol_iface_cb_activate,
 593    _tzpol_iface_cb_activate_below_by_res_id,
 594    _tzpol_iface_cb_raise,
 595    _tzpol_iface_cb_lower,
 596    _tzpol_iface_cb_lower_by_res_id,
 597    _tzpol_iface_cb_focus_skip_set,
 598    _tzpol_iface_cb_focus_skip_unset,
 599    _tzpol_iface_cb_role_set,
 600    _tzpol_iface_cb_type_set,
 601    _tzpol_iface_cb_conformant_set,
 602    _tzpol_iface_cb_conformant_unset,
 603    _tzpol_iface_cb_conformant_get,
 604    _tzpol_iface_cb_notilv_set,
 605    _tzpol_iface_cb_transient_for_set,
 606    _tzpol_iface_cb_transient_for_unset,
 607    _tzpol_iface_cb_win_scrmode_set,
 608    _tzpol_iface_cb_subsurf_place_below_parent,
 609    _tzpol_iface_cb_subsurf_stand_alone_set,
 610    _tzpol_iface_cb_subsurface_get,
 611    _tzpol_iface_cb_opaque_state_set,
 612    _tzpol_iface_cb_iconify,
 613    _tzpol_iface_cb_uniconify,
 614    _tzpol_iface_cb_aux_hint_add,
 615    _tzpol_iface_cb_aux_hint_change,
 616    _tzpol_iface_cb_aux_hint_del,
 617    _tzpol_iface_cb_supported_aux_hints_get,
 618    _tzpol_iface_cb_background_state_set,
 619    _tzpol_iface_cb_background_state_unset,
 620    _tzpol_iface_cb_floating_mode_set,
 621    _tzpol_iface_cb_floating_mode_unset,
 622    _tzpol_iface_cb_stack_mode_set,
 623    _tzpol_iface_cb_activate_above_by_res_id,
 624 };
 625
 626 static void
 627 _tzpol_cb_bind(struct wl_client *client, void *data, uint32_t ver, uint32_t id)
 628 {
 629    struct wl_resource *resource;
 630
 631    DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "tizen_policy::bind" );
 632
 633    resource = wl_resource_create(client, &tizen_policy_interface, ver, id);
 634    if (!resource)
 635      {
 636         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "failed to create resource for tizen_policy" );
 637         wl_client_post_no_memory(client);
 638         return;
 639      }
 640
 641    wl_resource_set_implementation(resource, &_tzpol_iface, NULL, NULL);
 642
 643    wl_list_insert(&_tzpol_res_list, wl_resource_get_link(resource));
 644 }
 645
 646 bool
 647 TizenPolicyInit(pepper_compositor_t *comp)
 648 {
 649    struct wl_display *wl_disp;
 650
 651    DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "tizen_policy::init" );
 652
 653    if (_tzpol_global)
 654      goto end;
 655
 656    wl_list_init(&_tzpol_res_list);
 657
 658    wl_disp = pepper_compositor_get_display(comp);
 659    _tzpol_global = wl_global_create(wl_disp, &tizen_policy_interface, 1, NULL, _tzpol_cb_bind);
 660    if (!_tzpol_global)
 661      {
 662         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "failed to create global for tizen policy" );
 663         return false;
 664      }
 665 end:
 666    return true;
 667 }
 668
 669 void
 670 TizenPolicyShutdown(void)
 671 {
 672    struct wl_resource *res, *tmp;
 673
 674    DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "tizen_policy::shutdown" );
 675
 676    wl_resource_for_each_safe(res, tmp, &_tzpol_res_list)
 677      {
 678         wl_list_remove(wl_resource_get_link(res));
 679         wl_resource_destroy(res);
 680      }
 681
 682    wl_global_destroy(_tzpol_global);
 683    _tzpol_global = NULL;
 684 }
 685
 686 bool
 687 TizenPolicySetVisibility( pepper_surface_t* psurf, VisibilityState state )
 688 {
 689    tzpol_surface_t *tsurf;
 690    struct wl_resource *resource;
 691    int res;
 692
 693    tsurf = (tzpol_surface_t*)pepper_object_get_user_data((pepper_object_t *)psurf, (const void *)tsurf_data_key);
 694    if (!tsurf)
 695      {
 696         DALI_LOG_INFO( gPepperTizenPolicyLogging, Debug::General, "there is no data for 'tzpol_surface_t' in 'pepper_surface_t'" );
 697         return false;
 698      }
 699
 700    if (tsurf->visibility == state)
 701      return true;
 702
 703    tsurf->visibility = state;
 704    wl_resource_for_each(resource, &tsurf->resource_list)
 705      {
 706         res = wl_resource_instance_of(resource, &tizen_visibility_interface, &_tzvis_iface);
 707         if (!res)
 708           continue;
 709         tizen_visibility_send_notify(resource, state);
 710      }
 711
 712    return true;
 713 }
 714
 715 } // namespace Extension
 716
 717 } // namespace Internal
 718
 719 } // namespace Pepper
 720
 721 } // namespace Dali