src/livebox.c

   1 /*
   2  * Copyright 2013  Samsung Electronics Co., Ltd
   3  *
   4  * Licensed under the Flora License, Version 1.1 (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://floralicense.org/license/
   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 <stdio.h>
  18 #include <errno.h>
  19 #include <stdlib.h> /* malloc */
  20 #include <string.h> /* strdup */
  21 #include <libgen.h>
  22 #include <unistd.h> /* access */
  23
  24 #include <dlog.h>
  25 #include <livebox-service.h>
  26 #include <provider.h>
  27 #include <provider_buffer.h>
  28 #include <livebox-errno.h>
  29
  30 #include "debug.h"
  31 #include "livebox.h"
  32 #include "dlist.h"
  33 #include "util.h"
  34
  35 #define PUBLIC __attribute__((visibility("default")))
  36
  37 #define FILE_SCHEMA     "file://"
  38
  39 /*!
  40  * \brief This function is defined by the data-provider-slave
  41  */
  42 extern const char *livebox_find_pkgname(const char *filename);
  43 extern int livebox_request_update_by_id(const char *uri);
  44 extern int livebox_trigger_update_monitor(const char *id, int is_pd);
  45
  46 struct block {
  47         unsigned int idx;
  48
  49         char *type;
  50         char *part;
  51         char *data;
  52         char *option;
  53         char *id;
  54         char *file;
  55         char *target_id;
  56 };
  57
  58 struct livebox_desc {
  59         FILE *fp;
  60         int for_pd;
  61
  62         unsigned int last_idx;
  63
  64         struct dlist *block_list;
  65 };
  66
  67 struct livebox_buffer_data {
  68         int is_pd;
  69         int accelerated;
  70
  71         /* for Buffer event wrapper */
  72         int (*handler)(struct livebox_buffer *, enum buffer_event, double, double, double, void *);
  73         void *cbdata;
  74 };
  75
  76 PUBLIC const int DONE = 0x00;
  77 PUBLIC const int OUTPUT_UPDATED = 0x02;
  78 PUBLIC const int USE_NET = 0x04;
  79
  80 PUBLIC const int NEED_TO_SCHEDULE = 0x01;
  81 PUBLIC const int NEED_TO_CREATE = 0x01;
  82 PUBLIC const int NEED_TO_DESTROY = 0x01;
  83 PUBLIC const int NEED_TO_UPDATE = 0x01;
  84
  85 PUBLIC const int LB_SYS_EVENT_FONT_CHANGED = 0x01;
  86 PUBLIC const int LB_SYS_EVENT_LANG_CHANGED = 0x02;
  87 PUBLIC const int LB_SYS_EVENT_TIME_CHANGED = 0x04;
  88 PUBLIC const int LB_SYS_EVENT_REGION_CHANGED = 0x08;
  89 PUBLIC const int LB_SYS_EVENT_PAUSED = 0x0100;
  90 PUBLIC const int LB_SYS_EVENT_RESUMED = 0x0200;
  91 PUBLIC const int LB_SYS_EVENT_MMC_STATUS_CHANGED = 0x0400;
  92
  93 PUBLIC struct livebox_desc *livebox_desc_open(const char *filename, int for_pd)
  94 {
  95         struct livebox_desc *handle;
  96         char *new_fname;
  97
  98         handle = calloc(1, sizeof(*handle));
  99         if (!handle) {
 100                 ErrPrint("Error: %s\n", strerror(errno));
 101                 return NULL;
 102         }
 103
 104         if (for_pd) {
 105                 int len;
 106                 len = strlen(filename) + strlen(".desc") + 1;
 107                 new_fname = malloc(len);
 108                 if (!new_fname) {
 109                         ErrPrint("Error: %s\n", strerror(errno));
 110                         free(handle);
 111                         return NULL;
 112                 }
 113                 snprintf(new_fname, len, "%s.desc", filename);
 114         } else {
 115                 new_fname = strdup(filename);
 116                 if (!new_fname) {
 117                         ErrPrint("Error: %s\n", strerror(errno));
 118                         free(handle);
 119                         return NULL;
 120                 }
 121         }
 122
 123         DbgPrint("Open a file %s with merge mode %s\n",
 124                                 new_fname,
 125                                 access(new_fname, F_OK) == 0 ? "enabled" : "disabled");
 126
 127         handle->fp = fopen(new_fname, "at");
 128         free(new_fname);
 129         if (!handle->fp) {
 130                 ErrPrint("Failed to open a file: %s\n", strerror(errno));
 131                 free(handle);
 132                 return NULL;
 133         }
 134
 135         return handle;
 136 }
 137
 138 PUBLIC int livebox_desc_close(struct livebox_desc *handle)
 139 {
 140         struct dlist *l;
 141         struct dlist *n;
 142         struct block *block;
 143
 144         if (!handle)
 145                 return LB_STATUS_ERROR_INVALID;
 146
 147         dlist_foreach_safe(handle->block_list, l, n, block) {
 148                 handle->block_list = dlist_remove(handle->block_list, l);
 149
 150                 fprintf(handle->fp, "{\n");
 151                 if (block->type)
 152                         fprintf(handle->fp, "type=%s\n", block->type);
 153
 154                 if (block->part)
 155                         fprintf(handle->fp, "part=%s\n", block->part);
 156
 157                 if (block->data)
 158                         fprintf(handle->fp, "data=%s\n", block->data);
 159
 160                 if (block->option)
 161                         fprintf(handle->fp, "option=%s\n", block->option);
 162
 163                 if (block->id)
 164                         fprintf(handle->fp, "id=%s\n", block->id);
 165
 166                 if (block->target_id)
 167                         fprintf(handle->fp, "target=%s\n", block->target_id);
 168                 fprintf(handle->fp, "}\n");
 169
 170                 free(block->type);
 171                 free(block->part);
 172                 free(block->data);
 173                 free(block->option);
 174                 free(block->id);
 175                 free(block->target_id);
 176                 free(block);
 177         }
 178
 179         fclose(handle->fp);
 180         free(handle);
 181         return LB_STATUS_SUCCESS;
 182 }
 183
 184 PUBLIC int livebox_desc_set_category(struct livebox_desc *handle, const char *id, const char *category)
 185 {
 186         struct block *block;
 187
 188         if (!handle || !category)
 189                 return LB_STATUS_ERROR_INVALID;
 190
 191         block = calloc(1, sizeof(*block));
 192         if (!block)
 193                 return LB_STATUS_ERROR_MEMORY;
 194
 195         block->type = strdup(LB_DESC_TYPE_INFO);
 196         if (!block->type) {
 197                 free(block);
 198                 return LB_STATUS_ERROR_MEMORY;
 199         }
 200
 201         block->part = strdup("category");
 202         if (!block->part) {
 203                 free(block->type);
 204                 free(block);
 205                 return LB_STATUS_ERROR_MEMORY;
 206         }
 207
 208         block->data = strdup(category);
 209         if (!block->data) {
 210                 free(block->type);
 211                 free(block->part);
 212                 free(block);
 213                 return LB_STATUS_ERROR_MEMORY;
 214         }
 215
 216         if (id) {
 217                 block->id = strdup(id);
 218                 if (!block->id) {
 219                         free(block->data);
 220                         free(block->type);
 221                         free(block->part);
 222                         free(block);
 223                         return LB_STATUS_ERROR_MEMORY;
 224                 }
 225         }
 226
 227         block->idx = handle->last_idx++;
 228         handle->block_list = dlist_append(handle->block_list, block);
 229         return block->idx;
 230 }
 231
 232 PUBLIC int livebox_desc_set_size(struct livebox_desc *handle, const char *id, int w, int h)
 233 {
 234         struct block *block;
 235         char buffer[BUFSIZ];
 236
 237         if (!handle)
 238                 return LB_STATUS_ERROR_INVALID;
 239
 240         block = calloc(1, sizeof(*block));
 241         if (!block)
 242                 return LB_STATUS_ERROR_MEMORY;
 243
 244         block->type = strdup(LB_DESC_TYPE_INFO);
 245         if (!block->type) {
 246                 free(block);
 247                 return LB_STATUS_ERROR_MEMORY;
 248         }
 249
 250         block->part = strdup("size");
 251         if (!block->part) {
 252                 free(block->type);
 253                 free(block);
 254                 return LB_STATUS_ERROR_MEMORY;
 255         }
 256
 257         if (id) {
 258                 block->id = strdup(id);
 259                 if (!block->id) {
 260                         free(block->part);
 261                         free(block->type);
 262                         free(block);
 263                         return LB_STATUS_ERROR_MEMORY;
 264                 }
 265         }
 266
 267         snprintf(buffer, sizeof(buffer), "%dx%d", w, h);
 268         block->data = strdup(buffer);
 269         if (!block->data) {
 270                 free(block->part);
 271                 free(block->type);
 272                 free(block);
 273                 return LB_STATUS_ERROR_MEMORY;
 274         }
 275
 276         block->idx = handle->last_idx++;
 277         handle->block_list = dlist_append(handle->block_list, block);
 278         return block->idx;
 279 }
 280
 281 PUBLIC char *livebox_util_nl2br(const char *str)
 282 {
 283         int len;
 284         register int i;
 285         char *ret;
 286         char *ptr;
 287
 288         if (!str)
 289                 return NULL;
 290
 291         len = strlen(str);
 292         if (!len)
 293                 return NULL;
 294
 295         ret = malloc(len + 1);
 296         if (!ret)
 297                 return NULL;
 298
 299         ptr = ret;
 300         i = 0;
 301         while (*str) {
 302                 switch (*str) {
 303                 case '\n':
 304                         if (len - i < 5) {
 305                                 char *tmp;
 306                                 len += len;
 307
 308                                 tmp = realloc(ret, len + 1);
 309                                 if (!tmp) {
 310                                         free(ret);
 311                                         return NULL;
 312                                 }
 313
 314                                 ret = tmp;
 315                                 ptr = tmp + i;
 316                         }
 317
 318                         strcpy(ptr, "<br>");
 319                         ptr += 4;
 320                         i += 4;
 321                         break;
 322                 default:
 323                         *ptr++ = *str;
 324                         i++;
 325                         break;
 326                 }
 327
 328                 str++;
 329         }
 330         *ptr = '\0';
 331
 332         return ret;
 333 }
 334
 335 PUBLIC int livebox_desc_set_id(struct livebox_desc *handle, int idx, const char *id)
 336 {
 337         struct dlist *l;
 338         struct block *block;
 339
 340         dlist_foreach(handle->block_list, l, block) {
 341                 if (block->idx == idx) {
 342                         if (strcasecmp(block->type, LB_DESC_TYPE_SCRIPT)) {
 343                                 ErrPrint("Invalid block is used\n");
 344                                 return LB_STATUS_ERROR_INVALID;
 345                         }
 346
 347                         free(block->target_id);
 348                         block->target_id = NULL;
 349
 350                         if (!id || !strlen(id))
 351                                 return LB_STATUS_SUCCESS;
 352
 353                         block->target_id = strdup(id);
 354                         if (!block->target_id) {
 355                                 ErrPrint("Heap: %s\n", strerror(errno));
 356                                 return LB_STATUS_ERROR_MEMORY;
 357                         }
 358
 359                         return LB_STATUS_SUCCESS;
 360                 }
 361         }
 362
 363         return LB_STATUS_ERROR_NOT_EXIST;
 364 }
 365
 366 /*!
 367  * \return idx
 368  */
 369 PUBLIC int livebox_desc_add_block(struct livebox_desc *handle, const char *id, const char *type, const char *part, const char *data, const char *option)
 370 {
 371         struct block *block;
 372
 373         if (!handle || !type)
 374                 return LB_STATUS_ERROR_INVALID;
 375
 376         if (!part)
 377                 part = "";
 378
 379         if (!data)
 380                 data = "";
 381
 382         block = calloc(1, sizeof(*block));
 383         if (!block) {
 384                 ErrPrint("Heap: %s\n", strerror(errno));
 385                 return LB_STATUS_ERROR_MEMORY;
 386         }
 387
 388         block->type = strdup(type);
 389         if (!block->type) {
 390                 ErrPrint("Heap: %s\n", strerror(errno));
 391                 free(block);
 392                 return LB_STATUS_ERROR_MEMORY;
 393         }
 394
 395         block->part = strdup(part);
 396         if (!block->part) {
 397                 ErrPrint("Heap: %s\n", strerror(errno));
 398                 free(block->type);
 399                 free(block);
 400                 return LB_STATUS_ERROR_MEMORY;
 401         }
 402
 403         block->data = strdup(data);
 404         if (!block->data) {
 405                 ErrPrint("Heap: %s\n", strerror(errno));
 406                 free(block->type);
 407                 free(block->part);
 408                 free(block);
 409                 return LB_STATUS_ERROR_MEMORY;
 410         }
 411
 412         if (option) {
 413                 block->option = strdup(option);
 414                 if (!block->option) {
 415                         ErrPrint("Heap: %s\n", strerror(errno));
 416                         free(block->data);
 417                         free(block->type);
 418                         free(block->part);
 419                         free(block);
 420                         return LB_STATUS_ERROR_MEMORY;
 421                 }
 422         }
 423
 424         if (id) {
 425                 block->id = strdup(id);
 426                 if (!block->id) {
 427                         ErrPrint("Heap: %s\n", strerror(errno));
 428                         free(block->option);
 429                         free(block->data);
 430                         free(block->type);
 431                         free(block->part);
 432                         free(block);
 433                         return LB_STATUS_ERROR_MEMORY;
 434                 }
 435         }
 436
 437         block->idx = handle->last_idx++;
 438         handle->block_list = dlist_append(handle->block_list, block);
 439         return block->idx;
 440 }
 441
 442 PUBLIC int livebox_desc_del_block(struct livebox_desc *handle, int idx)
 443 {
 444         struct dlist *l;
 445         struct block *block;
 446
 447         dlist_foreach(handle->block_list, l, block) {
 448                 if (block->idx == idx) {
 449                         handle->block_list = dlist_remove(handle->block_list, l);
 450                         free(block->type);
 451                         free(block->part);
 452                         free(block->data);
 453                         free(block->option);
 454                         free(block->id);
 455                         free(block->target_id);
 456                         free(block);
 457                         return LB_STATUS_SUCCESS;
 458                 }
 459         }
 460
 461         return LB_STATUS_ERROR_NOT_EXIST;
 462 }
 463
 464 /*!
 465  * \note
 466  * The last "data" argument is same with "user_data" which is managed by "provider_set_user_data).
 467  */
 468 static inline int event_handler_wrapper(struct livebox_buffer *buffer, enum buffer_event event, double timestamp, double x, double y, void *data)
 469 {
 470         const char *pkgname;
 471         const char *id;
 472         struct livebox_buffer_data *cbdata = data;
 473         int ret;
 474
 475         pkgname = provider_buffer_pkgname(buffer);
 476         id = provider_buffer_pkgname(buffer);
 477
 478         ret = cbdata->handler(buffer, event, timestamp, x, y, cbdata->cbdata);
 479
 480         switch (event) {
 481         case BUFFER_EVENT_HIGHLIGHT:
 482         case BUFFER_EVENT_HIGHLIGHT_NEXT:
 483         case BUFFER_EVENT_HIGHLIGHT_PREV:
 484         case BUFFER_EVENT_ACTIVATE:
 485         case BUFFER_EVENT_ACTION_UP:
 486         case BUFFER_EVENT_ACTION_DOWN:
 487         case BUFFER_EVENT_SCROLL_UP:
 488         case BUFFER_EVENT_SCROLL_MOVE:
 489         case BUFFER_EVENT_SCROLL_DOWN:
 490         case BUFFER_EVENT_UNHIGHLIGHT:
 491                 if (ret < 0)
 492                         (void)provider_send_access_status(pkgname, id, LB_ACCESS_STATUS_ERROR);
 493                 else
 494                         (void)provider_send_access_status(pkgname, id, ret);
 495                 break;
 496         default:
 497                 break;
 498         }
 499
 500         return ret;
 501 }
 502
 503 static inline int default_event_handler(struct livebox_buffer *buffer, enum buffer_event event, double timestamp, double x, double y, void *data)
 504 {
 505         /* NOP */
 506         return 0;
 507 }
 508
 509 PUBLIC struct livebox_buffer *livebox_acquire_buffer(const char *filename, int is_pd, int width, int height, int (*handler)(struct livebox_buffer *, enum buffer_event, double, double, double, void *), void *data)
 510 {
 511         struct livebox_buffer_data *user_data;
 512         const char *pkgname;
 513         struct livebox_buffer *handle;
 514         char *uri;
 515         int uri_len;
 516         struct event_cbdata *cbdata;
 517
 518         if (!filename || !width || !height) {
 519                 ErrPrint("Invalid argument: %p(%dx%d)\n", filename, width, height);
 520                 return NULL;
 521         }
 522
 523         user_data = calloc(1, sizeof(*user_data));
 524         if (!user_data) {
 525                 ErrPrint("Heap: %s\n", strerror(errno));
 526                 return NULL;
 527         }
 528
 529         user_data->is_pd = is_pd;
 530         user_data->handler = handler ? handler : default_event_handler;
 531         user_data->cbdata = data;
 532
 533         uri_len = strlen(filename) + strlen(FILE_SCHEMA) + 1;
 534         uri = malloc(uri_len);
 535         if (!uri) {
 536                 ErrPrint("Heap: %s\n", strerror(errno));
 537                 free(user_data);
 538                 return NULL;
 539         }
 540
 541         snprintf(uri, uri_len, FILE_SCHEMA "%s", filename);
 542         pkgname = livebox_find_pkgname(uri);
 543         if (!pkgname) {
 544                 ErrPrint("Invalid Request\n");
 545                 free(user_data);
 546                 free(uri);
 547                 return NULL;
 548         }
 549
 550         handle = provider_buffer_acquire((!!is_pd) ? TYPE_PD : TYPE_LB, pkgname, uri, width, height, sizeof(int), event_handler_wrapper, user_data);
 551         DbgPrint("Acquire buffer for PD(%s), %s, %p\n", pkgname, uri, handle);
 552         free(uri);
 553         if (!handle) {
 554                 free(user_data);
 555                 return NULL;
 556         }
 557
 558         (void)provider_buffer_set_user_data(handle, user_data);
 559         return handle;
 560 }
 561
 562 PUBLIC int livebox_request_update(const char *filename)
 563 {
 564         int uri_len;
 565         char *uri;
 566         int ret;
 567
 568         if (!filename) {
 569                 ErrPrint("Invalid argument\n");
 570                 return LB_STATUS_ERROR_INVALID;
 571         }
 572
 573         uri_len = strlen(filename) + strlen(FILE_SCHEMA) + 1;
 574         uri = malloc(uri_len);
 575         if (!uri) {
 576                 ErrPrint("Heap: %s\n", strerror(errno));
 577                 return LB_STATUS_ERROR_MEMORY;
 578         }
 579
 580         snprintf(uri, uri_len, FILE_SCHEMA "%s", filename);
 581         ret = livebox_request_update_by_id(uri);
 582         free(uri);
 583         return ret;
 584 }
 585
 586 PUBLIC unsigned long livebox_pixmap_id(struct livebox_buffer *handle)
 587 {
 588         return provider_buffer_pixmap_id(handle);
 589 }
 590
 591 PUBLIC int livebox_release_buffer(struct livebox_buffer *handle)
 592 {
 593         struct livebox_buffer_data *user_data;
 594
 595         if (!handle)
 596                 return LB_STATUS_ERROR_INVALID;
 597
 598         user_data = provider_buffer_user_data(handle);
 599         if (user_data) {
 600                 free(user_data);
 601                 provider_buffer_set_user_data(handle, NULL);
 602         }
 603
 604         DbgPrint("Release buffer\n");
 605         return provider_buffer_release(handle);
 606 }
 607
 608 PUBLIC void *livebox_ref_buffer(struct livebox_buffer *handle)
 609 {
 610         struct livebox_buffer_data *user_data;
 611         void *data;
 612         int w, h, size;
 613         int ret;
 614
 615         if (!handle)
 616                 return NULL;
 617
 618         user_data = provider_buffer_user_data(handle);
 619         if (!user_data)
 620                 return NULL;
 621
 622         if (user_data->accelerated) {
 623                 DbgPrint("H/W accelerated buffer is allocated\n");
 624                 return NULL;
 625         }
 626
 627         ret = provider_buffer_get_size(handle, &w, &h, &size);
 628
 629         data = provider_buffer_ref(handle);
 630         if (data && !ret && w > 0 && h > 0 && size > 0) {
 631                 memset(data, 0, w * h * size);
 632                 provider_buffer_sync(handle);
 633         }
 634
 635         DbgPrint("Ref buffer %ds%d(%d)\n", w, h, size);
 636         return data;
 637 }
 638
 639 PUBLIC int livebox_unref_buffer(void *buffer)
 640 {
 641         if (!buffer)
 642                 return LB_STATUS_ERROR_INVALID;
 643
 644         DbgPrint("Unref buffer\n");
 645         return provider_buffer_unref(buffer);
 646 }
 647
 648 PUBLIC int livebox_sync_buffer(struct livebox_buffer *handle)
 649 {
 650         struct livebox_buffer_data *user_data;
 651         const char *pkgname;
 652         const char *id;
 653
 654         if (!handle)
 655                 return LB_STATUS_ERROR_INVALID;
 656
 657         user_data = provider_buffer_user_data(handle);
 658         if (!user_data) {
 659                 ErrPrint("Invalid buffer\n");
 660                 return LB_STATUS_ERROR_INVALID;
 661         }
 662
 663         if (user_data->accelerated) {
 664                 DbgPrint("H/W Buffer allocated. skip the sync buffer\n");
 665                 return LB_STATUS_SUCCESS;
 666         }
 667
 668         pkgname = provider_buffer_pkgname(handle);
 669         if (!pkgname) {
 670                 ErrPrint("Invalid buffer handler\n");
 671                 return LB_STATUS_ERROR_INVALID;
 672         }
 673
 674         id = provider_buffer_id(handle);
 675         if (!id) {
 676                 ErrPrint("Invalid buffer handler\n");
 677                 return LB_STATUS_ERROR_INVALID;
 678         }
 679
 680         provider_buffer_sync(handle);
 681
 682         if (user_data->is_pd) {
 683                 if (provider_send_desc_updated(pkgname, id, NULL) < 0)
 684                         ErrPrint("Failed to send PD updated (%s)\n", id);
 685         } else {
 686                 int w;
 687                 int h;
 688                 int pixel_size;
 689
 690                 if (provider_buffer_get_size(handle, &w, &h, &pixel_size) < 0)
 691                         ErrPrint("Failed to get size (%s)\n", id);
 692
 693                 if (provider_send_updated(pkgname, id, w, h, -1.0f, NULL, NULL) < 0)
 694                         ErrPrint("Failed to send updated (%s)\n", id);
 695         }
 696
 697         return LB_STATUS_SUCCESS;
 698 }
 699
 700 PUBLIC int livebox_support_hw_buffer(struct livebox_buffer *handle)
 701 {
 702         if (!handle)
 703                 return LB_STATUS_ERROR_INVALID;
 704
 705         return provider_buffer_pixmap_is_support_hw(handle);
 706 }
 707
 708 PUBLIC int livebox_create_hw_buffer(struct livebox_buffer *handle)
 709 {
 710         struct livebox_buffer_data *user_data;
 711         int ret;
 712
 713         if (!handle)
 714                 return LB_STATUS_ERROR_INVALID;
 715
 716         user_data = provider_buffer_user_data(handle);
 717         if (!user_data)
 718                 return LB_STATUS_ERROR_INVALID;
 719
 720         if (user_data->accelerated)
 721                 return -EALREADY;
 722
 723         ret = provider_buffer_pixmap_create_hw(handle);
 724         user_data->accelerated = (ret == 0);
 725         return ret;
 726 }
 727
 728 PUBLIC int livebox_destroy_hw_buffer(struct livebox_buffer *handle)
 729 {
 730         struct livebox_buffer_data *user_data;
 731         if (!handle)
 732                 return LB_STATUS_ERROR_INVALID;
 733
 734         user_data = provider_buffer_user_data(handle);
 735         if (!user_data || !user_data->accelerated)
 736                 return LB_STATUS_ERROR_INVALID;
 737
 738         user_data->accelerated = 0;
 739
 740         return provider_buffer_pixmap_destroy_hw(handle);
 741 }
 742
 743 PUBLIC void *livebox_buffer_hw_buffer(struct livebox_buffer *handle)
 744 {
 745         struct livebox_buffer_data *user_data;
 746
 747         if (!handle)
 748                 return NULL;
 749
 750         user_data = provider_buffer_user_data(handle);
 751         if (!user_data || !user_data->accelerated)
 752                 return NULL;
 753
 754         return provider_buffer_pixmap_hw_addr(handle);
 755 }
 756
 757 PUBLIC int livebox_buffer_pre_render(struct livebox_buffer *handle)
 758 {
 759         struct livebox_buffer_data *user_data;
 760
 761         if (!handle)
 762                 return LB_STATUS_ERROR_INVALID;
 763
 764         user_data = provider_buffer_user_data(handle);
 765         if (!user_data)
 766                 return LB_STATUS_ERROR_INVALID;
 767
 768         if (!user_data->accelerated)
 769                 return LB_STATUS_SUCCESS;
 770
 771         /*!
 772          * \note
 773          * Do preprocessing for accessing the H/W render buffer
 774          */
 775         return provider_buffer_pre_render(handle);
 776 }
 777
 778 PUBLIC int livebox_buffer_post_render(struct livebox_buffer *handle)
 779 {
 780         int ret;
 781         const char *pkgname;
 782         const char *id;
 783         struct livebox_buffer_data *user_data;
 784
 785         if (!handle)
 786                 return LB_STATUS_ERROR_INVALID;
 787
 788         user_data = provider_buffer_user_data(handle);
 789         if (!user_data)
 790                 return LB_STATUS_ERROR_INVALID;
 791
 792         if (!user_data->accelerated)
 793                 return LB_STATUS_SUCCESS;
 794
 795         pkgname = provider_buffer_pkgname(handle);
 796         if (!pkgname) {
 797                 ErrPrint("Invalid buffer handle\n");
 798                 return LB_STATUS_ERROR_INVALID;
 799         }
 800
 801         id = provider_buffer_id(handle);
 802         if (!id) {
 803                 ErrPrint("Invalid buffer handler\n");
 804                 return LB_STATUS_ERROR_INVALID;
 805         }
 806
 807         ret = provider_buffer_post_render(handle);
 808         if (ret < 0) {
 809                 ErrPrint("Failed to post render processing\n");
 810                 return ret;
 811         }
 812
 813         if (user_data->is_pd == 1) {
 814                 if (provider_send_desc_updated(pkgname, id, NULL) < 0)
 815                         ErrPrint("Failed to send PD updated (%s)\n", id);
 816         } else {
 817                 int w;
 818                 int h;
 819                 int pixel_size;
 820
 821                 if (provider_buffer_get_size(handle, &w, &h, &pixel_size) < 0)
 822                         ErrPrint("Failed to get size (%s)\n", id);
 823
 824                 if (provider_send_updated(pkgname, id, w, h, -1.0f, NULL, NULL) < 0)
 825                         ErrPrint("Failed to send updated (%s)\n", id);
 826         }
 827
 828         return LB_STATUS_SUCCESS;
 829 }
 830
 831 PUBLIC int livebox_content_is_updated(const char *filename, int is_pd)
 832 {
 833         return livebox_trigger_update_monitor(filename, is_pd);
 834 }
 835
 836 /* End of a file */