src/widget_app.c

   1 /*
   2  * Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd All Rights Reserved
   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 <stdlib.h>
  19 #include <stdbool.h>
  20
  21 #include <bundle.h>
  22 #include <bundle_internal.h>
  23 #include <aul.h>
  24 #include <dlog.h>
  25 #include <glib.h>
  26 #include <glib-object.h>
  27 #include <stdlib.h>
  28 #include <app_control.h>
  29 #include <app_control_internal.h>
  30 #include <Elementary.h>
  31 #include <widget_errno.h>
  32 #include <widget_instance.h>
  33 #include <widget_service.h>
  34 #include <widget_service_internal.h>
  35 #include <aul_app_com.h>
  36 #include <Ecore_Wayland.h>
  37 #include <system_info.h>
  38 #include <vconf.h>
  39 #include <vconf-internal-keys.h>
  40 #include <screen_connector_provider.h>
  41
  42 #include "widget_app.h"
  43 #include "widget-log.h"
  44 #include "widget-private.h"
  45 #include "widget_app_internal.h"
  46
  47 #ifdef LOG_TAG
  48 #undef LOG_TAG
  49 #endif
  50
  51 #define STR_MAX_BUF 128
  52 #define LOG_TAG "CAPI_WIDGET_APPLICATION"
  53 #define K_REASON    "__WC_K_REASON__"
  54 #define APP_TYPE_WIDGET "widgetapp"
  55 #define STATUS_FOREGROUND "fg"
  56 #define STATUS_BACKGROUND "bg"
  57
  58 typedef enum _widget_obj_state_e {
  59         WC_READY = 0,
  60         WC_RUNNING = 1,
  61         WC_PAUSED = 2,
  62         WC_TERMINATED = 3
  63 } widget_obj_state_e;
  64
  65 enum {
  66         UPDATE_LOCAL = 0,
  67         UPDATE_ALL = 1,
  68 };
  69
  70 struct app_event_handler {
  71         app_event_type_e type;
  72         app_event_cb cb;
  73         void *data;
  74 };
  75
  76 struct app_event_info {
  77         app_event_type_e type;
  78         void *value;
  79 };
  80
  81 typedef struct _widget_class widget_class_s;
  82
  83 #define WIDGET_APP_EVENT_MAX 5
  84 static GList *handler_list[WIDGET_APP_EVENT_MAX] = {NULL, };
  85
  86 static int caller_pid;
  87 static widget_app_lifecycle_callback_s *app_ops;
  88 static void *app_user_data;
  89 static char *appid;
  90 static widget_class_h class_provider;
  91 static int exit_called;
  92 static char *package_id;
  93 static bool fg_signal;
  94
  95 static void _widget_core_set_appcore_event_cb(void);
  96 static void _widget_core_unset_appcore_event_cb(void);
  97
  98 static void __free_handler_cb(gpointer data)
  99 {
 100         if (data)
 101                 free(data);
 102 }
 103
 104 static void __free_handler_list(void)
 105 {
 106         int i;
 107
 108         for (i = 0; i < WIDGET_APP_EVENT_MAX; i++) {
 109                 g_list_free_full(handler_list[i], __free_handler_cb);
 110                 handler_list[i] = NULL;
 111         }
 112 }
 113
 114 static inline bool _is_widget_feature_enabled(void)
 115 {
 116         static bool feature = false;
 117         static bool retrieved = false;
 118         int ret;
 119
 120         if (retrieved == true)
 121                 return feature;
 122
 123         ret = system_info_get_platform_bool(
 124                         "http://tizen.org/feature/shell.appwidget", &feature);
 125         if (ret != SYSTEM_INFO_ERROR_NONE) {
 126                 _E("failed to get system info"); /* LCOV_EXCL_LINE */
 127                 return false; /* LCOV_EXCL_LINE */
 128         }
 129
 130         retrieved = true;
 131
 132         return feature;
 133 }
 134
 135 static gint __comp_by_id(gconstpointer a, gconstpointer b)
 136 {
 137         widget_context_s *wc = (widget_context_s *)a;
 138
 139         return strcmp(wc->id, (const char *)b);
 140 }
 141
 142 static widget_context_s *__find_context_by_id(const char *id)
 143 {
 144         GList *ret;
 145         GList *contexts = _widget_app_get_contexts();
 146
 147         if (id == NULL)
 148                 return NULL;
 149
 150         ret = g_list_find_custom(contexts, id, __comp_by_id);
 151         if (ret == NULL)
 152                 return NULL;
 153
 154         return ret->data;
 155 }
 156
 157 static gint __comp_by_state(gconstpointer a, gconstpointer b)
 158 {
 159         widget_context_s *wc = (widget_context_s *)a;
 160
 161         if (wc->state == (widget_obj_state_e)GPOINTER_TO_INT(b))
 162                 return 0;
 163
 164         return -1;
 165 }
 166
 167 static widget_context_s *__find_context_by_state(widget_obj_state_e state)
 168 {
 169         GList *ret;
 170         GList *contexts = _widget_app_get_contexts();
 171
 172         ret = g_list_find_custom(contexts, GINT_TO_POINTER((int)state), __comp_by_state);
 173         if (ret == NULL)
 174                 return NULL;
 175
 176         return ret->data;
 177 }
 178
 179 static gint __comp_by_win(gconstpointer a, gconstpointer b)
 180 {
 181         int win = GPOINTER_TO_INT(b);
 182         widget_context_s *wc = (widget_context_s *)a;
 183
 184         return (wc && wc->win_id == win) ? 0 : -1;
 185 }
 186
 187 static widget_context_s *__find_context_by_win(int win)
 188 {
 189         GList *contexts = _widget_app_get_contexts();
 190         GList *ret = g_list_find_custom(contexts, GINT_TO_POINTER(win), __comp_by_win);
 191
 192         if (ret == NULL)
 193                 return NULL;
 194
 195         return ret->data;
 196 }
 197
 198 static int __send_lifecycle_event(const char *class_id, const char *instance_id,
 199         int status)
 200 {
 201         bundle *b = bundle_create();
 202         char pkgid[256] = {0, };
 203         int ret;
 204
 205         if (b == NULL) {
 206                 _E("out of memory"); /* LCOV_EXCL_LINE */
 207                 return -1; /* LCOV_EXCL_LINE */
 208         }
 209
 210         if (package_id == NULL) {
 211                 ret = aul_app_get_pkgid_bypid(getpid(), pkgid, sizeof(pkgid));
 212                 if (ret == 0)
 213                         package_id = strdup(pkgid);
 214         }
 215
 216         bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
 217         bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
 218         bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
 219         if (package_id)
 220                 bundle_add_str(b, AUL_K_PKGID, package_id);
 221
 222         _D("send lifecycle %s(%d)", instance_id, status);
 223         ret = aul_app_com_send("widget.status", b);
 224         if (ret < 0)
 225                 _E("send lifecycle error:%d", ret); /* LCOV_EXCL_LINE */
 226
 227         bundle_free(b);
 228
 229         return ret;
 230 }
 231
 232 static int __send_update_status(const char *class_id, const char *instance_id,
 233         int status, bundle *extra)
 234 {
 235         bundle *b;
 236         int lifecycle = -1;
 237         bundle_raw *raw = NULL;
 238         int len;
 239         char *viewer_endpoint = _widget_app_get_viewer_endpoint();
 240
 241         b = bundle_create();
 242         if (!b) {
 243                 _E("out of memory"); /* LCOV_EXCL_LINE */
 244                 return -1; /* LCOV_EXCL_LINE */
 245         }
 246
 247         bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
 248         bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
 249         bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
 250
 251         if (extra) {
 252                 bundle_encode(extra, &raw, &len);
 253                 bundle_add_str(b, WIDGET_K_CONTENT_INFO, (const char *)raw);
 254                 aul_widget_instance_add(class_id, instance_id);
 255         }
 256
 257         _D("send update %s(%d) to %s", instance_id, status, viewer_endpoint);
 258         aul_app_com_send(viewer_endpoint, b);
 259
 260         switch (status) {
 261         case WIDGET_INSTANCE_EVENT_CREATE:
 262                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_CREATE;
 263                 break;
 264         case WIDGET_INSTANCE_EVENT_DESTROY:
 265                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_DESTROY;
 266                 break;
 267         case WIDGET_INSTANCE_EVENT_PAUSE:
 268                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_PAUSE;
 269                 break;
 270         case WIDGET_INSTANCE_EVENT_RESUME:
 271                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_RESUME;
 272                 break;
 273         }
 274
 275         if (lifecycle > -1)
 276                 __send_lifecycle_event(class_id, instance_id, lifecycle);
 277
 278         bundle_free(b);
 279         if (raw)
 280                 free(raw);
 281
 282         return 0;
 283 }
 284
 285 static int __instance_resume(widget_class_h handle, const char *id, int send_update)
 286 {
 287         widget_context_s *wc = __find_context_by_id(id);
 288         int ret;
 289
 290         if (!wc) {
 291                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 292                 return -1; /* LCOV_EXCL_LINE */
 293         }
 294
 295         if (wc->state == WC_RUNNING) {
 296                 _D("%s is already in running state", id); /* LCOV_EXCL_LINE */
 297                 return 0; /* LCOV_EXCL_LINE */
 298         }
 299
 300         if (wc->state == WC_TERMINATED) {
 301                 _D("%s is in terminated state", id); /* LCOV_EXCL_LINE */
 302                 return 0; /* LCOV_EXCL_LINE */
 303         }
 304
 305         if (handle->ops.resume)
 306                 handle->ops.resume(wc, handle->user_data);
 307
 308         wc->state = WC_RUNNING;
 309         _D("%s is resumed", id);
 310         if (send_update) {
 311                 ret = __send_update_status(handle->classid, wc->id,
 312                         WIDGET_INSTANCE_EVENT_RESUME, NULL);
 313                 if (!fg_signal) {
 314                         _D("Send fg signal to resourceD");
 315                         aul_send_app_status_change_signal(getpid(),
 316                                         appid,
 317                                         package_id,
 318                                         STATUS_FOREGROUND,
 319                                         APP_TYPE_WIDGET);
 320                         fg_signal = true;
 321                 }
 322         } else {
 323                 ret = 0;
 324         }
 325
 326         return ret;
 327 }
 328
 329 static int __instance_pause(widget_class_h handle, const char *id, int send_update)
 330 {
 331         widget_context_s *wc = __find_context_by_id(id);
 332         int ret;
 333
 334         if (!wc) {
 335                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 336                 return -1; /* LCOV_EXCL_LINE */
 337         }
 338
 339         if (wc->state == WC_PAUSED) {
 340                 _D("%s is already in paused state", id); /* LCOV_EXCL_LINE */
 341                 return 0; /* LCOV_EXCL_LINE */
 342         }
 343
 344         if (wc->state == WC_TERMINATED) {
 345                 _D("%s is in terminated state", id); /* LCOV_EXCL_LINE */
 346                 return 0; /* LCOV_EXCL_LINE */
 347         }
 348
 349         if (handle->ops.pause)
 350                 handle->ops.pause(wc, handle->user_data);
 351
 352         wc->state = WC_PAUSED;
 353         _D("%s is paused", id);
 354         if (send_update) {
 355                 ret = __send_update_status(handle->classid, wc->id,
 356                         WIDGET_INSTANCE_EVENT_PAUSE, NULL);
 357                 wc = __find_context_by_state(WC_RUNNING);
 358                 if (!wc && fg_signal) {
 359                         _D("Send bg signal to resourceD");
 360                         aul_send_app_status_change_signal(getpid(),
 361                                         appid,
 362                                         package_id,
 363                                         STATUS_BACKGROUND,
 364                                         APP_TYPE_WIDGET);
 365                         fg_signal = false;
 366                 }
 367         } else {
 368                 ret = 0;
 369         }
 370
 371         return ret;
 372 }
 373
 374 static int __instance_resize(widget_class_h handle, const char *id, int w, int h)
 375 {
 376         widget_context_s *wc = __find_context_by_id(id);
 377         int ret;
 378
 379         if (!wc) {
 380                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 381                 return -1; /* LCOV_EXCL_LINE */
 382         }
 383
 384         if (handle->ops.resize)
 385                 handle->ops.resize(wc, w, h, handle->user_data);
 386
 387         _D("%s is resized to %dx%d", id, w, h);
 388         ret = __send_update_status(handle->classid, wc->id,
 389                 WIDGET_INSTANCE_EVENT_SIZE_CHANGED, NULL);
 390
 391         return ret;
 392 }
 393
 394 /* LCOV_EXCL_START */
 395 static int __instance_update_all(widget_class_h handle, int force, const char *content)
 396 {
 397         widget_context_s *wc;
 398         int ret = 0;
 399         bundle *b = NULL;
 400         GList *context = _widget_app_get_contexts();
 401
 402         if (content)
 403                 b = bundle_decode((const bundle_raw *)content, strlen(content));
 404
 405         if (handle->ops.update) {
 406                 while (context) {
 407                         wc = (widget_context_s *)context->data;
 408                         handle->ops.update(wc, b, force, handle->user_data);
 409                         ret = __send_update_status(handle->classid, wc->id,
 410                                 WIDGET_INSTANCE_EVENT_UPDATE, NULL);
 411                         _D("updated:%s", wc->id);
 412                         context = context->next;
 413                 }
 414         }
 415
 416         if (b)
 417                 bundle_free(b);
 418
 419         return ret;
 420 }
 421 /* LCOV_EXCL_STOP */
 422
 423 /* LCOV_EXCL_START */
 424 static int __instance_update(widget_class_h handle, const char *id, int force, const char *content)
 425 {
 426         widget_context_s *wc = __find_context_by_id(id);
 427         int ret = 0;
 428         bundle *b = NULL;
 429         if (!wc) {
 430                 _E("context not found: %s", id);
 431                 return -1;
 432         }
 433
 434         if (content)
 435                 b = bundle_decode((const bundle_raw *)content, strlen(content));
 436
 437         if (handle->ops.update) {
 438                 handle->ops.update(wc, b, force, handle->user_data);
 439                 ret = __send_update_status(handle->classid, wc->id,
 440                         WIDGET_INSTANCE_EVENT_UPDATE, NULL);
 441                 _D("updated:%s", id);
 442         }
 443
 444         if (b)
 445                 bundle_free(b);
 446
 447         return ret;
 448 }
 449 /* LCOV_EXCL_STOP */
 450
 451 static int __instance_create(widget_class_h handle, const char *id, const char *content, int w, int h)
 452 {
 453         widget_context_s *wc = NULL;
 454         int ret = 0;
 455         bundle *content_info = NULL;
 456
 457         wc = (widget_context_s *)calloc(1, sizeof(widget_context_s));
 458         if (!wc) {
 459                 _E("Out of memory");
 460                 return WIDGET_ERROR_OUT_OF_MEMORY;
 461         }
 462
 463         wc->state = WC_READY;
 464         wc->id = strdup(id);
 465         wc->provider = handle;
 466         wc->win = NULL;
 467         wc->win_id = -1;
 468
 469         if (content) {
 470                 wc->content = strdup(content);
 471                 content_info = bundle_decode((const bundle_raw *)content, strlen(content));
 472         }
 473
 474         _widget_app_add_context(wc);
 475
 476         ret = handle->ops.create(wc, content_info, w, h, handle->user_data);
 477         if (ret < 0) {
 478                 _W("Create callback resturns error(%d)", ret);
 479                 ret = __send_update_status(handle->classid, wc->id,
 480                                 WIDGET_INSTANCE_EVENT_CREATE_ABORTED, NULL);
 481                 _widget_app_remove_context(wc);
 482                 if (wc->id)
 483                         free(wc->id);
 484                 if (wc->content)
 485                         free(wc->content);
 486                 free(wc);
 487
 488                 if (_widget_app_get_contexts() == NULL && !exit_called)
 489                         widget_app_exit();
 490         } else {
 491                 ret = __send_update_status(handle->classid, wc->id,
 492                         WIDGET_INSTANCE_EVENT_CREATE, NULL);
 493
 494                 if (content == NULL)
 495                         content = "NULL";
 496
 497                 aul_widget_instance_add(handle->classid, id);
 498         }
 499
 500         if (content_info)
 501                 bundle_free(content_info);
 502
 503         return ret;
 504 }
 505
 506 static int __instance_destroy(widget_class_h handle, const char *id,
 507                 widget_app_destroy_type_e reason, int send_update)
 508 {
 509         widget_context_s *wc = __find_context_by_id(id);
 510         int ret = 0;
 511         int event = WIDGET_INSTANCE_EVENT_TERMINATE;
 512         bundle *content_info;
 513
 514         if (!wc) {
 515                 _E("could not find widget obj: %s, clear amd info", id);        /* LCOV_EXCL_LINE */
 516                 aul_widget_instance_del(handle->classid, id);                   /* LCOV_EXCL_LINE */
 517                 return WIDGET_ERROR_NONE;                                       /* LCOV_EXCL_LINE */
 518         }
 519
 520         wc->state = WC_TERMINATED;
 521         if (wc->content)
 522                 content_info = bundle_decode((const bundle_raw *)wc->content, strlen(wc->content));
 523         else
 524                 content_info = bundle_create();
 525
 526         handle->ops.destroy(wc, reason, content_info,
 527                         handle->user_data);
 528
 529         if (reason == WIDGET_APP_DESTROY_TYPE_PERMANENT) {
 530                 event = WIDGET_INSTANCE_EVENT_DESTROY;
 531                 aul_widget_instance_del(handle->classid, id);
 532         } else {
 533                 ret = __send_update_status(handle->classid, id,
 534                                 WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
 535         }
 536
 537         if (content_info)
 538                 bundle_free(content_info);
 539
 540         ret = __send_update_status(handle->classid, id, event, NULL);
 541
 542         _widget_app_remove_context(wc);
 543
 544         if (wc->id)
 545                 free(wc->id);
 546
 547         if (wc->content)
 548                 free(wc->content);
 549
 550         free(wc);
 551
 552         if (_widget_app_get_contexts() == NULL && !exit_called) /* all instance destroyed */
 553                 widget_app_exit();
 554
 555         return ret;
 556 }
 557
 558 static widget_class_h __find_class_handler(const char *class_id,
 559                 widget_class_h handle)
 560 {
 561         if (!class_id || !handle)
 562                 return NULL;
 563
 564         widget_class_h head = handle;
 565
 566         while (head) {
 567                 if (head->classid && strcmp(head->classid, class_id) == 0)
 568                         return head;
 569
 570                 head = head->next;
 571         }
 572
 573         return NULL;
 574 }
 575
 576 /* LCOV_EXCL_START */
 577 static void __resize_window(char *id, int w, int h)
 578 {
 579         widget_context_s *wc = __find_context_by_id(id);
 580
 581         if (!wc) {
 582                 _E("can not find instance: %s", id);
 583                 return;
 584         }
 585
 586         if (wc->win)
 587                 evas_object_resize(wc->win, w, h);
 588         else
 589                 _E("unable to find window of %d", wc->id);
 590 }
 591 /* LCOV_EXCL_STOP */
 592
 593 static void __control(bundle *b)
 594 {
 595         char *class_id = NULL;
 596         char *id = NULL;
 597         char *operation = NULL;
 598         char *content = NULL;
 599         char *w_str = NULL;
 600         char *h_str = NULL;
 601         int w = 0;
 602         int h = 0;
 603         char *remain = NULL;
 604         int force;
 605         char *force_str = NULL;
 606         widget_class_h handle = NULL;
 607
 608         bundle_get_str(b, WIDGET_K_CLASS, &class_id);
 609         /* for previous version compatibility, use appid for default class id */
 610         if (class_id == NULL)
 611                 class_id = appid;
 612
 613         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
 614         bundle_get_str(b, WIDGET_K_OPERATION, &operation);
 615
 616         handle = __find_class_handler(class_id, class_provider);
 617         if (!handle) {
 618                 _E("no handle provided: %s", class_id); /* LCOV_EXCL_LINE */
 619                 goto error;
 620         }
 621
 622         if (!operation) {
 623                 _E("no operation provided");
 624                 goto error;
 625         }
 626
 627         bundle_get_str(b, WIDGET_K_FORCE, &force_str);
 628
 629         if (force_str && strcmp(force_str, "true") == 0)
 630                 force = 1;
 631         else
 632                 force = 0;
 633
 634         bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
 635         bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
 636         bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
 637         if (w_str)
 638                 w = (int)g_ascii_strtoll(w_str, &remain, 10);
 639
 640         if (h_str)
 641                 h = (int)g_ascii_strtoll(h_str, &remain, 10);
 642
 643         if (strcmp(operation, "create") == 0) {
 644                 __instance_create(handle, id, content, w, h);
 645         } else if (strcmp(operation, "resize") == 0) {
 646                 __resize_window(id, w, h);
 647                 __instance_resize(handle, id, w, h);
 648         } else if (strcmp(operation, "update") == 0) {
 649                 if (id)
 650                         __instance_update(handle, id, force, content);
 651                 else
 652                         __instance_update_all(handle, force, content);
 653
 654         } else if (strcmp(operation, "destroy") == 0) {
 655                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_PERMANENT, UPDATE_ALL);
 656         } else if (strcmp(operation, "resume") == 0) {
 657                 __instance_resume(handle, id, UPDATE_ALL);
 658         } else if (strcmp(operation, "pause") == 0) {
 659                 __instance_pause(handle, id, UPDATE_ALL);
 660         } else if (strcmp(operation, "terminate") == 0) {
 661                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
 662         }
 663
 664         return;
 665 error:
 666         LOGD("error on control");
 667         return;
 668 }
 669
 670 static void __pause_all(int send_update)
 671 {
 672         GList *contexts = _widget_app_get_contexts();
 673         GList *iter = g_list_first(contexts);
 674
 675         while (iter != NULL) {
 676                 widget_context_s *cxt = (widget_context_s *)iter->data;
 677
 678                 switch (cxt->state) {
 679                 case WC_READY:
 680                         __instance_resume(cxt->provider, cxt->id, send_update);
 681                         __instance_pause(cxt->provider, cxt->id, send_update);
 682                         break;
 683                 case WC_RUNNING:
 684                         __instance_pause(cxt->provider, cxt->id, send_update);
 685                         break;
 686                 }
 687                 LOGD("pause %s", cxt->id);
 688                 iter = g_list_next(iter);
 689         }
 690 }
 691
 692 /* LCOV_EXCL_START */
 693 static void __resume_all(int send_update)
 694 {
 695         GList *contexts = _widget_app_get_contexts();
 696         GList *iter = g_list_first(contexts);
 697
 698         while (iter != NULL) {
 699                 widget_context_s *cxt = (widget_context_s *)iter->data;
 700
 701                 switch (cxt->state) {
 702                 case WC_READY:
 703                         __instance_resume(cxt->provider, cxt->id, send_update);
 704                         break;
 705                 case WC_PAUSED:
 706                         __instance_resume(cxt->provider, cxt->id, send_update);
 707                         break;
 708                 }
 709                 iter = g_list_next(iter);
 710         }
 711 }
 712 /* LCOV_EXCL_STOP */
 713
 714 static void __destroy_all(int reason, int send_update)
 715 {
 716         GList *contexts = _widget_app_get_contexts();
 717         GList *iter = g_list_first(contexts);
 718
 719         __pause_all(send_update);
 720         while (iter != NULL) {
 721                 widget_context_s *cxt = (widget_context_s *)iter->data;
 722                 iter = g_list_next(iter);
 723                 switch (cxt->state) {
 724                 case WC_PAUSED:
 725                         LOGD("destroy %d : %s", cxt->state, cxt->id);
 726                         __instance_destroy(cxt->provider, cxt->id, reason, send_update);
 727                         break;
 728                 }
 729         }
 730 }
 731
 732
 733 static Eina_Bool __show_cb(void *data, int type, void *event)
 734 {
 735         Ecore_Wl_Event_Window_Show *ev = event;
 736         widget_context_s *cxt = __find_context_by_win(ev->win);
 737
 738         LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
 739
 740         if (cxt)
 741                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 742         else
 743                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 744
 745         return ECORE_CALLBACK_RENEW;
 746 }
 747
 748 static Eina_Bool __hide_cb(void *data, int type, void *event)
 749 {
 750         Ecore_Wl_Event_Window_Hide *ev = event;
 751         widget_context_s *cxt = __find_context_by_win(ev->win);
 752
 753
 754         LOGD("hide %d", (unsigned int)ev->win);
 755
 756         if (cxt)
 757                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 758         else
 759                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 760
 761         return ECORE_CALLBACK_RENEW;
 762 }
 763
 764 static Eina_Bool __visibility_cb(void *data, int type, void *event)
 765 {
 766         Ecore_Wl_Event_Window_Visibility_Change *ev = event;
 767         widget_context_s *cxt = __find_context_by_win(ev->win);
 768
 769         LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
 770
 771         if (!cxt) {
 772                 LOGE("unknown window error: %d", ev->win);
 773                 return ECORE_CALLBACK_RENEW;
 774         }
 775
 776         if (cxt->state == WC_PAUSED && ev->fully_obscured == 0) {
 777                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 778         } else if (cxt->state == WC_RUNNING && ev->fully_obscured == 1) {
 779                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 780         } else {
 781                 LOGD("cxt:%s state:%d obscured:%d", cxt->id, cxt->state, ev->fully_obscured);
 782         }
 783
 784         return ECORE_CALLBACK_RENEW;
 785 }
 786
 787 /* LCOV_EXCL_START */
 788 static Eina_Bool __lower_cb(void *data, int type, void *event)
 789 {
 790         LOGD("lower");
 791         return ECORE_CALLBACK_RENEW;
 792 }
 793 /* LCOV_EXCL_STOP */
 794
 795 static Eina_Bool __configure_cb(void *data, int type, void *event)
 796 {
 797         Ecore_Wl_Event_Window_Configure *ev = event;
 798         widget_context_s *cxt = __find_context_by_win(ev->win);
 799
 800         LOGD("configure: %d %d", ev->w, ev->h);
 801
 802         if (!cxt) {
 803                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 804                 return ECORE_CALLBACK_RENEW; /* LCOV_EXCL_LINE */
 805         }
 806
 807         if (cxt->state == WC_PAUSED || cxt->state == WC_RUNNING)
 808                 __instance_resize(cxt->provider, cxt->id, ev->w, ev->h);
 809         LOGD("cxt:%s resized to %dx%d", cxt->id, ev->w, ev->h);
 810
 811         return ECORE_CALLBACK_RENEW;
 812 }
 813
 814 static void __add_climsg()
 815 {
 816         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
 817         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
 818         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
 819         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
 820         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_CONFIGURE, __configure_cb, NULL);
 821 }
 822
 823 static void __get_content(bundle *b)
 824 {
 825         char *instance_id = NULL;
 826         widget_context_s *cxt = NULL;
 827
 828         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
 829         if (!instance_id)
 830                 return;
 831
 832         cxt = __find_context_by_id(instance_id);
 833         if (!cxt) {
 834                 _E("can not find instance id:%s", instance_id);
 835                 return;
 836         }
 837
 838         if (cxt->content) {
 839                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, cxt->content);
 840                 _D("content info of %s found", cxt->id);
 841         } else {
 842                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
 843                 _D("empty content info added");
 844         }
 845 }
 846
 847 static int __aul_handler(aul_type type, bundle *b, void *data)
 848 {
 849         char *caller = NULL;
 850         char *remain = NULL;
 851
 852         switch (type) {
 853         case AUL_START:
 854                 if (b) {
 855                         bundle_get_str(b, WIDGET_K_CALLER, &caller);
 856                         if (caller) {
 857                                 caller_pid = g_ascii_strtoll(caller, &remain,
 858                                                 10);
 859                         } else {
 860                                 /* using caller appid and query pid using caller appid? */
 861                                 _E("no caller pid");
 862                         }
 863                 }
 864
 865                 __control(b);
 866                 break;
 867         case AUL_RESUME:
 868                 __resume_all(UPDATE_ALL);
 869                 break;
 870         case AUL_TERMINATE:
 871                 widget_app_exit();
 872                 break;
 873         case AUL_WIDGET_CONTENT:
 874                 __get_content(b);
 875                 break;
 876         default:
 877                 break;
 878         }
 879
 880         return 0;
 881 }
 882
 883 static char *__get_domain_name(char *appid)
 884 {
 885         char *name_token;
 886
 887         if (appid == NULL) {
 888                 _E("appid is NULL"); /* LCOV_EXCL_LINE */
 889                 return NULL; /* LCOV_EXCL_LINE */
 890         }
 891
 892         name_token = strrchr(appid, '.');
 893
 894         if (name_token == NULL) {
 895                 _E("appid is invalid"); /* LCOV_EXCL_LINE */
 896                 return appid; /* LCOV_EXCL_LINE */
 897         }
 898
 899         name_token++;
 900
 901         return name_token;
 902 }
 903
 904 /* LCOV_EXCL_START */
 905 static void __on_poweroff(keynode_t *key, void *data)
 906 {
 907         int val;
 908
 909         val = vconf_keynode_get_int(key);
 910         switch (val) {
 911         case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
 912         case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
 913                 _I("power off changed: %d", val);
 914                 widget_app_exit();
 915                 break;
 916         case VCONFKEY_SYSMAN_POWER_OFF_NONE:
 917         case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
 918         default:
 919                 /* DO NOTHING */
 920                 break;
 921         }
 922 }
 923 /* LCOV_EXCL_STOP */
 924
 925 extern int _set_i18n(const char *name);
 926
 927 static int __before_loop(int argc, char **argv)
 928 {
 929         int r;
 930         bundle *kb = NULL;
 931         char *name;
 932         char *viewer_endpoint = NULL;
 933
 934 #if !(GLIB_CHECK_VERSION(2, 36, 0))
 935         g_type_init();
 936 #endif
 937
 938         kb = bundle_import_from_argv(argc, argv);
 939         if (kb) {
 940                 bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
 941                 if (viewer_endpoint) {
 942                         _E("viewer endpoint :%s", viewer_endpoint);
 943                         _widget_app_set_viewer_endpoint(viewer_endpoint);
 944                 } else {
 945                         _E("endpoint is missing");
 946                 }
 947
 948                 bundle_free(kb);
 949                 kb = NULL;
 950         } else {
 951                 _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
 952         }
 953
 954         screen_connector_provider_init();
 955         elm_init(argc, argv);
 956
 957         r = aul_launch_init(__aul_handler, NULL);
 958         if (r < 0) {
 959                 /* LCOV_EXCL_START */
 960                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 961                                 __FUNCTION__,
 962                                 "Fail to call the aul_launch_init");
 963                 /* LCOV_EXCL_STOP */
 964         }
 965
 966         r = aul_launch_argv_handler(argc, argv);
 967         if (r < 0) {
 968                 /* LCOV_EXCL_START */
 969                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 970                                 __FUNCTION__,
 971                                 "Fail to call the aul_launch_argv_handler");
 972                 /* LCOV_EXCL_STOP */
 973         }
 974
 975         r = app_get_id(&appid);
 976         if (r != APP_ERROR_NONE)
 977                 return r;
 978
 979         name = __get_domain_name(appid);
 980
 981         if (name == NULL) {
 982                 /* LCOV_EXCL_START */
 983                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 984                                 __FUNCTION__,
 985                                 "Fail to call __get_domain_name");
 986                 /* LCOV_EXCL_STOP */
 987         }
 988
 989         r = _set_i18n(name);
 990
 991         if (r < 0) {
 992                 /* LCOV_EXCL_START */
 993                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 994                                 __FUNCTION__,
 995                                 "Fail to call _set_i18n");
 996                 /* LCOV_EXCL_STOP */
 997         }
 998
 999         __add_climsg();
1000
1001         _widget_core_set_appcore_event_cb();
1002
1003         class_provider = app_ops->create(app_user_data);
1004         if (class_provider == NULL) {
1005                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1006                                 __FUNCTION__, "widget_class is NULL");
1007         }
1008
1009         vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
1010
1011         return WIDGET_ERROR_NONE;
1012 }
1013
1014 static void __after_loop()
1015 {
1016         exit_called = 1;
1017         vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
1018
1019         __pause_all(UPDATE_LOCAL);
1020         __destroy_all(WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1021
1022         if (app_ops->terminate)
1023                 app_ops->terminate(app_user_data);
1024
1025         screen_connector_provider_fini();
1026
1027         _widget_app_free_viewer_endpoint();
1028         _widget_core_unset_appcore_event_cb();
1029         __free_handler_list();
1030
1031         if (package_id) {
1032                 free(package_id);
1033                 package_id = NULL;
1034         }
1035
1036         if (appid) {
1037                 free(appid);
1038                 appid = NULL;
1039         }
1040
1041         elm_shutdown();
1042 }
1043
1044 static void __on_low_memory(keynode_t *key, void *data)
1045 {
1046         int val;
1047
1048         val = vconf_keynode_get_int(key);
1049         if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
1050                 app_event_handler_h handler;
1051                 struct app_event_info event;
1052
1053                 _I("widget_app_low_memory");
1054
1055                 event.type = APP_EVENT_LOW_MEMORY;
1056                 event.value = (void *)&val;
1057
1058                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
1059
1060                 while (iter) {
1061                         handler = (app_event_handler_h) iter->data;
1062                         handler->cb(&event, handler->data);
1063                         iter = g_list_next(iter);
1064                 }
1065         }
1066 }
1067
1068 static void __on_low_battery(keynode_t *key, void *data)
1069 {
1070         int val;
1071
1072         val = vconf_keynode_get_int(key);
1073         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
1074                 app_event_handler_h handler;
1075                 struct app_event_info event;
1076
1077                 _I("widget_app_low_battery");
1078
1079                 event.type = APP_EVENT_LOW_BATTERY;
1080                 event.value = (void *)&val;
1081
1082                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
1083
1084                 while (iter) {
1085                         handler = (app_event_handler_h) iter->data;
1086                         handler->cb(&event, handler->data);
1087                         iter = g_list_next(iter);
1088                 }
1089         }
1090 }
1091
1092 static void __on_lang_changed(keynode_t *key, void *data)
1093 {
1094         char *val;
1095
1096         _update_lang();
1097         val = vconf_keynode_get_str(key);
1098
1099         app_event_handler_h handler;
1100         struct app_event_info event;
1101
1102         _I("widget_app_lang_changed");
1103
1104         event.type = APP_EVENT_LANGUAGE_CHANGED;
1105         event.value = (void *)val;
1106
1107         GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
1108
1109         while (iter) {
1110                 handler = (app_event_handler_h) iter->data;
1111                 handler->cb(&event, handler->data);
1112                 iter = g_list_next(iter);
1113         }
1114 }
1115
1116 static void __on_region_changed(keynode_t *key, void *data)
1117 {
1118         char *val;
1119
1120         _update_region();
1121         val = vconf_keynode_get_str(key);
1122
1123         app_event_handler_h handler;
1124         struct app_event_info event;
1125
1126         _I("widget_app_region_changed");
1127
1128         event.type = APP_EVENT_REGION_FORMAT_CHANGED;
1129         event.value = (void *)val;
1130
1131         GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
1132
1133         while (iter) {
1134                 handler = (app_event_handler_h) iter->data;
1135                 handler->cb(&event, handler->data);
1136                 iter = g_list_next(iter);
1137         }
1138 }
1139
1140 static void __register_event(int event_type)
1141 {
1142         switch (event_type) {
1143         case APP_EVENT_LOW_MEMORY:
1144                 vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1145                 break;
1146
1147         case APP_EVENT_LOW_BATTERY:
1148                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1149                 break;
1150
1151         case APP_EVENT_LANGUAGE_CHANGED:
1152                 vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
1153                 break;
1154
1155         case APP_EVENT_REGION_FORMAT_CHANGED:
1156                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
1157                 break;
1158         }
1159 }
1160
1161 static void __unregister_event(int event_type)
1162 {
1163         switch (event_type) {
1164         case APP_EVENT_LOW_MEMORY:
1165                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1166                 break;
1167
1168         case APP_EVENT_LOW_BATTERY:
1169                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1170                 break;
1171
1172         case APP_EVENT_LANGUAGE_CHANGED:
1173                 vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
1174                 break;
1175
1176         case APP_EVENT_REGION_FORMAT_CHANGED:
1177                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
1178                 break;
1179         }
1180 }
1181
1182 static void _widget_core_set_appcore_event_cb(void)
1183 {
1184         __register_event(APP_EVENT_LANGUAGE_CHANGED);
1185         __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
1186 }
1187
1188 static void _widget_core_unset_appcore_event_cb(void)
1189 {
1190         __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
1191         __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
1192 }
1193
1194 EXPORT_API int widget_app_main(int argc, char **argv,
1195                 widget_app_lifecycle_callback_s *callback, void *user_data)
1196 {
1197         int r;
1198
1199         if (!_is_widget_feature_enabled()) {
1200                 _E("not supported"); /* LCOV_EXCL_LINE */
1201                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1202         }
1203
1204         if (argc <= 0 || argv == NULL || callback == NULL)
1205                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1206                                 __FUNCTION__, NULL);
1207
1208         if (callback->create == NULL)
1209                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1210                                 __FUNCTION__,
1211                                 "widget_app_create_cb() callback must be "
1212                                 "registered");
1213         app_ops = callback;
1214         app_user_data = user_data;
1215         r = __before_loop(argc, argv);
1216         if (r < 0) {
1217                 if (appid) {
1218                         free(appid);
1219                         appid = NULL;
1220                 }
1221                 return r;
1222         }
1223
1224         ecore_main_loop_begin();
1225         aul_status_update(STATUS_DYING);
1226         __after_loop();
1227
1228         return WIDGET_ERROR_NONE;
1229 }
1230
1231 EXPORT_API int widget_app_exit(void)
1232 {
1233         if (!_is_widget_feature_enabled()) {
1234                 _E("not supported"); /* LCOV_EXCL_LINE */
1235                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1236         }
1237
1238         if (exit_called)
1239                 return WIDGET_ERROR_NONE;
1240
1241         exit_called = 1;
1242
1243         ecore_main_loop_quit();
1244
1245         return WIDGET_ERROR_NONE;
1246 }
1247
1248 /* LCOV_EXCL_START */
1249 static gboolean __finish_event_cb(gpointer user_data)
1250 {
1251         if (user_data == NULL)
1252                 return FALSE;
1253
1254         widget_context_s *wc = (widget_context_s *)user_data;
1255
1256         switch (wc->state) {
1257         case WC_READY:
1258                 __instance_resume(wc->provider, wc->id, UPDATE_LOCAL);
1259         case WC_RUNNING:
1260                 __instance_pause(wc->provider, wc->id, UPDATE_LOCAL);
1261         case WC_PAUSED:
1262                 __instance_destroy(wc->provider, wc->id,
1263                                 WIDGET_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1264                 break;
1265         default:
1266                 break;
1267         }
1268
1269         return FALSE;
1270 }
1271 /* LCOV_EXCL_STOP */
1272
1273 EXPORT_API int widget_app_terminate_context(widget_context_h context)
1274 {
1275         if (!_is_widget_feature_enabled()) {
1276                 _E("not supported"); /* LCOV_EXCL_LINE */
1277                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1278         }
1279
1280         if (context == NULL)
1281                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1282                                 __FUNCTION__, NULL);
1283
1284         g_idle_add(__finish_event_cb, context);
1285         return WIDGET_ERROR_NONE;
1286 }
1287
1288 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
1289 {
1290         GList *contexts = _widget_app_get_contexts();
1291         GList *list;
1292         widget_context_s *wc;
1293
1294         if (!_is_widget_feature_enabled()) {
1295                 _E("not supported"); /* LCOV_EXCL_LINE */
1296                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1297         }
1298
1299         if (!cb)
1300                 return WIDGET_ERROR_INVALID_PARAMETER;
1301
1302         list = g_list_first(contexts);
1303
1304         while (list) {
1305                 wc = (widget_context_s *)list->data;
1306                 if (wc) {
1307                         if (!cb(wc, data))
1308                                 break;
1309                 }
1310                 list = list->next;
1311         }
1312
1313         return WIDGET_ERROR_NONE;
1314 }
1315
1316 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
1317                                         app_event_type_e event_type, app_event_cb callback,
1318                                         void *user_data)
1319 {
1320         int r;
1321         bool feature;
1322
1323         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1324         if (r < 0)
1325                 return WIDGET_ERROR_FAULT;
1326
1327         if (!feature)
1328                 return WIDGET_ERROR_NOT_SUPPORTED;
1329
1330         app_event_handler_h handler;
1331
1332         if (event_handler == NULL || callback == NULL)
1333                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1334
1335         if (event_type < APP_EVENT_LOW_MEMORY
1336             || event_type > APP_EVENT_REGION_FORMAT_CHANGED)
1337                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1338
1339         if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
1340                 return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
1341
1342         GList *iter = g_list_first(handler_list[event_type]);
1343
1344         while (iter) {
1345                 handler = (app_event_handler_h) iter->data;
1346
1347                 if (handler->cb == callback)
1348                         return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1349
1350                 iter = g_list_next(iter);
1351         }
1352
1353         handler = calloc(1, sizeof(struct app_event_handler));
1354         if (!handler)
1355                 return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL); /* LCOV_EXCL_LINE */
1356
1357         if (g_list_length(handler_list[event_type]) == 0)
1358                 __register_event(event_type);
1359
1360         handler->type = event_type;
1361         handler->cb = callback;
1362         handler->data = user_data;
1363         handler_list[event_type] = g_list_append(handler_list[event_type], handler);
1364
1365         *event_handler = handler;
1366
1367         return WIDGET_ERROR_NONE;
1368 }
1369
1370 EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
1371                                                 event_handler)
1372 {
1373         int r;
1374         bool feature;
1375
1376         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1377         if (r < 0)
1378                 return WIDGET_ERROR_FAULT;
1379
1380         if (!feature)
1381                 return WIDGET_ERROR_NOT_SUPPORTED;
1382
1383         app_event_type_e type;
1384
1385         if (event_handler == NULL)
1386                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1387
1388         type = event_handler->type;
1389         if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
1390                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1391
1392         handler_list[type] = g_list_remove(handler_list[type], event_handler);
1393         free(event_handler);
1394
1395         if (g_list_length(handler_list[type]) == 0)
1396                 __unregister_event(type);
1397
1398         return WIDGET_ERROR_NONE;
1399 }
1400
1401 EXPORT_API const char *widget_app_get_id(widget_context_h context)
1402 {
1403         if (!_is_widget_feature_enabled()) {
1404                 _E("not supported"); /* LCOV_EXCL_LINE */
1405                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1406                 return NULL; /* LCOV_EXCL_LINE */
1407         }
1408
1409         if (!context) {
1410                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1411                 return NULL;
1412         }
1413
1414         set_last_result(WIDGET_ERROR_NONE);
1415         return context->id;
1416 }
1417
1418 static void _win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
1419 {
1420        /* Remove data used in accessibility */
1421         char *plug_id;
1422         plug_id = evas_object_data_del(obj, "___PLUGID");
1423         free(plug_id);
1424 }
1425
1426 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
1427                                         Evas_Object **win)
1428 {
1429         widget_context_s *cxt = (widget_context_s *)context;
1430         Evas_Object *ret_win;
1431         Ecore_Wl_Window *wl_win;
1432         struct wl_surface *surface;
1433         char buffer[256];
1434         int rots[3] = {0};
1435
1436         if (!_is_widget_feature_enabled()) {
1437                 _E("not supported"); /* LCOV_EXCL_LINE */
1438                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1439         }
1440
1441         if (context == NULL || win == NULL)
1442                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1443                                 __FUNCTION__, NULL);
1444
1445         ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
1446         if (ret_win == NULL) {
1447                 _E("failed to create window"); /* LCOV_EXCL_LINE */
1448                 goto fault; /* LCOV_EXCL_LINE */
1449         }
1450
1451         elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
1452         elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
1453
1454         wl_win = elm_win_wl_window_get(ret_win);
1455         if (wl_win == NULL) {
1456                 _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
1457                 goto fault;
1458         }
1459
1460         surface = ecore_wl_window_surface_get(wl_win);
1461         if (surface == NULL) {
1462                 _E("failed to get surface"); /* LCOV_EXCL_LINE */
1463                 goto fault; /* LCOV_EXCL_LINE */
1464         }
1465         screen_connector_provider_remote_enable(cxt->id, surface);
1466
1467         ecore_wl_window_class_name_set(wl_win, cxt->id);
1468         elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
1469
1470         *win = ret_win;
1471         cxt->win = ret_win;
1472         cxt->win_id = ecore_wl_window_id_get(wl_win);
1473
1474         /* Set data to use in accessibility */
1475         snprintf(buffer, sizeof(buffer), "%s:%d", cxt->id, getpid());
1476         evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
1477         evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, _win_del_cb, NULL);
1478
1479         _D("window created: %d", cxt->win_id);
1480
1481         return WIDGET_ERROR_NONE;
1482
1483 fault:
1484         if (ret_win)    /* LCOV_EXCL_LINE */
1485                 evas_object_del(ret_win); /* LCOV_EXCL_LINE */
1486
1487         return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
1488
1489 }
1490
1491 widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
1492                 widget_instance_lifecycle_callback_s callback, void *user_data)
1493 {
1494         widget_class_s *wc;
1495
1496         if (!_is_widget_feature_enabled()) {
1497                 _E("not supported"); /* LCOV_EXCL_LINE */
1498                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1499                 return NULL;
1500         }
1501
1502         if (class_id == NULL) {
1503                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1504                 return NULL;
1505         }
1506
1507         wc = (widget_class_s *)calloc(1, sizeof(widget_class_s));
1508         if (wc == NULL) {
1509                 _E("failed to calloc : %s", __FUNCTION__); /* LCOV_EXCL_LINE */
1510                 set_last_result(WIDGET_ERROR_OUT_OF_MEMORY); /* LCOV_EXCL_LINE */
1511                 return NULL; /* LCOV_EXCL_LINE */
1512         }
1513
1514         wc->classid = strdup(class_id);
1515         wc->user_data = user_data;
1516         wc->ops = callback;
1517         wc->next = prev;
1518         wc->prev = NULL;
1519
1520         set_last_result(WIDGET_ERROR_NONE);
1521
1522         if (prev)
1523                 prev->prev = wc;
1524
1525         return wc;
1526 }
1527
1528 EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
1529                 const char *class_id,
1530                 widget_instance_lifecycle_callback_s callback, void *user_data)
1531 {
1532         return _widget_class_create(widget_class, class_id, callback,
1533                         user_data);
1534 }
1535
1536 EXPORT_API widget_class_h widget_app_class_create(
1537                 widget_instance_lifecycle_callback_s callback, void *user_data)
1538 {
1539         return _widget_class_create(class_provider, appid, callback, user_data);
1540 }
1541
1542 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
1543 {
1544         if (!_is_widget_feature_enabled()) {
1545                 _E("not supported"); /* LCOV_EXCL_LINE */
1546                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1547         }
1548
1549         if (context == NULL)
1550                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1551                                 __FUNCTION__, NULL);
1552
1553         context->tag = tag;
1554
1555         return WIDGET_ERROR_NONE;
1556 }
1557
1558 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
1559 {
1560         if (!_is_widget_feature_enabled()) {
1561                 _E("not supported"); /* LCOV_EXCL_LINE */
1562                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1563         }
1564
1565         if (context == NULL || tag == NULL)
1566                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1567                                 __FUNCTION__, NULL);
1568
1569         *tag = context->tag;
1570
1571         return WIDGET_ERROR_NONE;
1572 }
1573
1574 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
1575                 bundle *content_info)
1576 {
1577         const char *class_id = NULL;
1578         int ret = 0;
1579         bundle_raw *raw = NULL;
1580         int len;
1581
1582         if (!_is_widget_feature_enabled()) {
1583                 _E("not supported"); /* LCOV_EXCL_LINE */
1584                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1585         }
1586
1587         if (context == NULL || content_info == NULL)
1588                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1589                                 __FUNCTION__, NULL);
1590
1591         if (context->provider == NULL)
1592                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1593                                 __FUNCTION__, NULL);
1594
1595         class_id = context->provider->classid;
1596         if (class_id == NULL)
1597                 return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
1598
1599         ret = __send_update_status(class_id, context->id,
1600                         WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
1601
1602         if (context->content)
1603                 free(context->content);
1604
1605         bundle_encode(content_info, &raw, &len);
1606         if (raw)
1607                 context->content = strdup((const char *)raw);
1608         else
1609                 context->content = NULL;
1610
1611         free(raw);
1612         if (ret < 0) {
1613                 /* LCOV_EXCL_START */
1614                 _E("failed to send content info: %s of %s (%d)", context->id,
1615                                 class_id, ret);
1616                 return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
1617                                 NULL);
1618                 /* LCOV_EXCL_STOP */
1619         }
1620
1621         return WIDGET_ERROR_NONE;
1622 }
1623
1624 EXPORT_API int widget_app_context_set_title(widget_context_h context,
1625                 const char *title)
1626 {
1627         if (!_is_widget_feature_enabled()) {
1628                 _E("not supported"); /* LCOV_EXCL_LINE */
1629                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1630         }
1631
1632         if (!context || !title)
1633                 return WIDGET_ERROR_INVALID_PARAMETER;
1634
1635         if (context->win)
1636                 elm_win_title_set(context->win, title);
1637
1638         return WIDGET_ERROR_NONE;
1639 }