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                 /* TODO send abort */
 480         } else {
 481                 ret = __send_update_status(handle->classid, wc->id,
 482                         WIDGET_INSTANCE_EVENT_CREATE, NULL);
 483
 484                 if (content == NULL)
 485                         content = "NULL";
 486
 487                 aul_widget_instance_add(handle->classid, id);
 488         }
 489
 490         if (content_info)
 491                 bundle_free(content_info);
 492
 493         return ret;
 494 }
 495
 496 static int __instance_destroy(widget_class_h handle, const char *id,
 497                 widget_app_destroy_type_e reason, int send_update)
 498 {
 499         widget_context_s *wc = __find_context_by_id(id);
 500         int ret = 0;
 501         int event = WIDGET_INSTANCE_EVENT_TERMINATE;
 502         bundle *content_info;
 503
 504         if (!wc) {
 505                 _E("could not find widget obj: %s, clear amd info", id);        /* LCOV_EXCL_LINE */
 506                 aul_widget_instance_del(handle->classid, id);                   /* LCOV_EXCL_LINE */
 507                 return WIDGET_ERROR_NONE;                                       /* LCOV_EXCL_LINE */
 508         }
 509
 510         wc->state = WC_TERMINATED;
 511         if (wc->content)
 512                 content_info = bundle_decode((const bundle_raw *)wc->content, strlen(wc->content));
 513         else
 514                 content_info = bundle_create();
 515
 516         handle->ops.destroy(wc, reason, content_info,
 517                         handle->user_data);
 518
 519         if (reason == WIDGET_APP_DESTROY_TYPE_PERMANENT) {
 520                 event = WIDGET_INSTANCE_EVENT_DESTROY;
 521                 aul_widget_instance_del(handle->classid, id);
 522         } else {
 523                 ret = __send_update_status(handle->classid, id,
 524                                 WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
 525         }
 526
 527         if (content_info)
 528                 bundle_free(content_info);
 529
 530         ret = __send_update_status(handle->classid, id, event, NULL);
 531
 532         _widget_app_remove_context(wc);
 533
 534         if (wc->id)
 535                 free(wc->id);
 536
 537         if (wc->content)
 538                 free(wc->content);
 539
 540         free(wc);
 541
 542         if (_widget_app_get_contexts() == NULL && !exit_called) /* all instance destroyed */
 543                 widget_app_exit();
 544
 545         return ret;
 546 }
 547
 548 static widget_class_h __find_class_handler(const char *class_id,
 549                 widget_class_h handle)
 550 {
 551         if (!class_id || !handle)
 552                 return NULL;
 553
 554         widget_class_h head = handle;
 555
 556         while (head) {
 557                 if (head->classid && strcmp(head->classid, class_id) == 0)
 558                         return head;
 559
 560                 head = head->next;
 561         }
 562
 563         return NULL;
 564 }
 565
 566 /* LCOV_EXCL_START */
 567 static void __resize_window(char *id, int w, int h)
 568 {
 569         widget_context_s *wc = __find_context_by_id(id);
 570
 571         if (!wc) {
 572                 _E("can not find instance: %s", id);
 573                 return;
 574         }
 575
 576         if (wc->win)
 577                 evas_object_resize(wc->win, w, h);
 578         else
 579                 _E("unable to find window of %d", wc->id);
 580 }
 581 /* LCOV_EXCL_STOP */
 582
 583 static void __control(bundle *b)
 584 {
 585         char *class_id = NULL;
 586         char *id = NULL;
 587         char *operation = NULL;
 588         char *content = NULL;
 589         char *w_str = NULL;
 590         char *h_str = NULL;
 591         int w = 0;
 592         int h = 0;
 593         char *remain = NULL;
 594         int force;
 595         char *force_str = NULL;
 596         widget_class_h handle = NULL;
 597
 598         bundle_get_str(b, WIDGET_K_CLASS, &class_id);
 599         /* for previous version compatibility, use appid for default class id */
 600         if (class_id == NULL)
 601                 class_id = appid;
 602
 603         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
 604         bundle_get_str(b, WIDGET_K_OPERATION, &operation);
 605
 606         handle = __find_class_handler(class_id, class_provider);
 607         if (!handle) {
 608                 _E("no handle provided: %s", class_id); /* LCOV_EXCL_LINE */
 609                 goto error;
 610         }
 611
 612         if (!operation) {
 613                 _E("no operation provided");
 614                 goto error;
 615         }
 616
 617         bundle_get_str(b, WIDGET_K_FORCE, &force_str);
 618
 619         if (force_str && strcmp(force_str, "true") == 0)
 620                 force = 1;
 621         else
 622                 force = 0;
 623
 624         bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
 625         bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
 626         bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
 627         if (w_str)
 628                 w = (int)g_ascii_strtoll(w_str, &remain, 10);
 629
 630         if (h_str)
 631                 h = (int)g_ascii_strtoll(h_str, &remain, 10);
 632
 633         if (strcmp(operation, "create") == 0) {
 634                 __instance_create(handle, id, content, w, h);
 635         } else if (strcmp(operation, "resize") == 0) {
 636                 __resize_window(id, w, h);
 637         } else if (strcmp(operation, "update") == 0) {
 638                 if (id)
 639                         __instance_update(handle, id, force, content);
 640                 else
 641                         __instance_update_all(handle, force, content);
 642
 643         } else if (strcmp(operation, "destroy") == 0) {
 644                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_PERMANENT, UPDATE_ALL);
 645         } else if (strcmp(operation, "resume") == 0) {
 646                 __instance_resume(handle, id, UPDATE_ALL);
 647         } else if (strcmp(operation, "pause") == 0) {
 648                 __instance_pause(handle, id, UPDATE_ALL);
 649         } else if (strcmp(operation, "terminate") == 0) {
 650                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
 651         }
 652
 653         return;
 654 error:
 655         LOGD("error on control");
 656         return;
 657 }
 658
 659 static void __pause_all(int send_update)
 660 {
 661         GList *contexts = _widget_app_get_contexts();
 662         GList *iter = g_list_first(contexts);
 663
 664         while (iter != NULL) {
 665                 widget_context_s *cxt = (widget_context_s *)iter->data;
 666
 667                 switch (cxt->state) {
 668                 case WC_READY:
 669                         __instance_resume(cxt->provider, cxt->id, send_update);
 670                         __instance_pause(cxt->provider, cxt->id, send_update);
 671                         break;
 672                 case WC_RUNNING:
 673                         __instance_pause(cxt->provider, cxt->id, send_update);
 674                         break;
 675                 }
 676                 LOGD("pause %s", cxt->id);
 677                 iter = g_list_next(iter);
 678         }
 679 }
 680
 681 /* LCOV_EXCL_START */
 682 static void __resume_all(int send_update)
 683 {
 684         GList *contexts = _widget_app_get_contexts();
 685         GList *iter = g_list_first(contexts);
 686
 687         while (iter != NULL) {
 688                 widget_context_s *cxt = (widget_context_s *)iter->data;
 689
 690                 switch (cxt->state) {
 691                 case WC_READY:
 692                         __instance_resume(cxt->provider, cxt->id, send_update);
 693                         break;
 694                 case WC_PAUSED:
 695                         __instance_resume(cxt->provider, cxt->id, send_update);
 696                         break;
 697                 }
 698                 iter = g_list_next(iter);
 699         }
 700 }
 701 /* LCOV_EXCL_STOP */
 702
 703 static void __destroy_all(int reason, int send_update)
 704 {
 705         GList *contexts = _widget_app_get_contexts();
 706         GList *iter = g_list_first(contexts);
 707
 708         __pause_all(send_update);
 709         while (iter != NULL) {
 710                 widget_context_s *cxt = (widget_context_s *)iter->data;
 711                 iter = g_list_next(iter);
 712                 switch (cxt->state) {
 713                 case WC_PAUSED:
 714                         LOGD("destroy %d : %s", cxt->state, cxt->id);
 715                         __instance_destroy(cxt->provider, cxt->id, reason, send_update);
 716                         break;
 717                 }
 718         }
 719 }
 720
 721
 722 static Eina_Bool __show_cb(void *data, int type, void *event)
 723 {
 724         Ecore_Wl_Event_Window_Show *ev = event;
 725         widget_context_s *cxt = __find_context_by_win(ev->win);
 726
 727         LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
 728
 729         if (cxt)
 730                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 731         else
 732                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 733
 734         return ECORE_CALLBACK_RENEW;
 735 }
 736
 737 static Eina_Bool __hide_cb(void *data, int type, void *event)
 738 {
 739         Ecore_Wl_Event_Window_Hide *ev = event;
 740         widget_context_s *cxt = __find_context_by_win(ev->win);
 741
 742
 743         LOGD("hide %d", (unsigned int)ev->win);
 744
 745         if (cxt)
 746                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 747         else
 748                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 749
 750         return ECORE_CALLBACK_RENEW;
 751 }
 752
 753 static Eina_Bool __visibility_cb(void *data, int type, void *event)
 754 {
 755         Ecore_Wl_Event_Window_Visibility_Change *ev = event;
 756         widget_context_s *cxt = __find_context_by_win(ev->win);
 757
 758         LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
 759
 760         if (!cxt) {
 761                 LOGE("unknown window error: %d", ev->win);
 762                 return ECORE_CALLBACK_RENEW;
 763         }
 764
 765         if (cxt->state == WC_PAUSED && ev->fully_obscured == 0) {
 766                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 767         } else if (cxt->state == WC_RUNNING && ev->fully_obscured == 1) {
 768                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 769         } else {
 770                 LOGD("cxt:%s state:%d obscured:%d", cxt->id, cxt->state, ev->fully_obscured);
 771         }
 772
 773         return ECORE_CALLBACK_RENEW;
 774 }
 775
 776 /* LCOV_EXCL_START */
 777 static Eina_Bool __lower_cb(void *data, int type, void *event)
 778 {
 779         LOGD("lower");
 780         return ECORE_CALLBACK_RENEW;
 781 }
 782 /* LCOV_EXCL_STOP */
 783
 784 static Eina_Bool __configure_cb(void *data, int type, void *event)
 785 {
 786         Ecore_Wl_Event_Window_Configure *ev = event;
 787         widget_context_s *cxt = __find_context_by_win(ev->win);
 788
 789         LOGD("configure: %d %d", ev->w, ev->h);
 790
 791         if (!cxt) {
 792                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 793                 return ECORE_CALLBACK_RENEW; /* LCOV_EXCL_LINE */
 794         }
 795
 796         if (cxt->state == WC_PAUSED || cxt->state == WC_RUNNING)
 797                 __instance_resize(cxt->provider, cxt->id, ev->w, ev->h);
 798         LOGD("cxt:%s resized to %dx%d", cxt->id, ev->w, ev->h);
 799
 800         return ECORE_CALLBACK_RENEW;
 801 }
 802
 803 static void __add_climsg()
 804 {
 805         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
 806         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
 807         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
 808         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
 809         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_CONFIGURE, __configure_cb, NULL);
 810 }
 811
 812 static void __get_content(bundle *b)
 813 {
 814         char *instance_id = NULL;
 815         widget_context_s *cxt = NULL;
 816
 817         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
 818         if (!instance_id)
 819                 return;
 820
 821         cxt = __find_context_by_id(instance_id);
 822         if (!cxt) {
 823                 _E("can not find instance id:%s", instance_id);
 824                 return;
 825         }
 826
 827         if (cxt->content) {
 828                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, cxt->content);
 829                 _D("content info of %s found", cxt->id);
 830         } else {
 831                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
 832                 _D("empty content info added");
 833         }
 834 }
 835
 836 static int __aul_handler(aul_type type, bundle *b, void *data)
 837 {
 838         char *caller = NULL;
 839         char *remain = NULL;
 840
 841         switch (type) {
 842         case AUL_START:
 843                 if (b) {
 844                         bundle_get_str(b, WIDGET_K_CALLER, &caller);
 845                         if (caller) {
 846                                 caller_pid = g_ascii_strtoll(caller, &remain,
 847                                                 10);
 848                         } else {
 849                                 /* using caller appid and query pid using caller appid? */
 850                                 _E("no caller pid");
 851                         }
 852                 }
 853
 854                 __control(b);
 855                 break;
 856         case AUL_RESUME:
 857                 __resume_all(UPDATE_ALL);
 858                 break;
 859         case AUL_TERMINATE:
 860                 widget_app_exit();
 861                 break;
 862         case AUL_WIDGET_CONTENT:
 863                 __get_content(b);
 864                 break;
 865         default:
 866                 break;
 867         }
 868
 869         return 0;
 870 }
 871
 872 static char *__get_domain_name(char *appid)
 873 {
 874         char *name_token;
 875
 876         if (appid == NULL) {
 877                 _E("appid is NULL"); /* LCOV_EXCL_LINE */
 878                 return NULL; /* LCOV_EXCL_LINE */
 879         }
 880
 881         name_token = strrchr(appid, '.');
 882
 883         if (name_token == NULL) {
 884                 _E("appid is invalid"); /* LCOV_EXCL_LINE */
 885                 return appid; /* LCOV_EXCL_LINE */
 886         }
 887
 888         name_token++;
 889
 890         return name_token;
 891 }
 892
 893 /* LCOV_EXCL_START */
 894 static void __on_poweroff(keynode_t *key, void *data)
 895 {
 896         int val;
 897
 898         val = vconf_keynode_get_int(key);
 899         switch (val) {
 900         case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
 901         case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
 902                 _I("power off changed: %d", val);
 903                 widget_app_exit();
 904                 break;
 905         case VCONFKEY_SYSMAN_POWER_OFF_NONE:
 906         case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
 907         default:
 908                 /* DO NOTHING */
 909                 break;
 910         }
 911 }
 912 /* LCOV_EXCL_STOP */
 913
 914 extern int _set_i18n(const char *name);
 915
 916 static int __before_loop(int argc, char **argv)
 917 {
 918         int r;
 919         bundle *kb = NULL;
 920         char *name;
 921         char *viewer_endpoint = NULL;
 922
 923 #if !(GLIB_CHECK_VERSION(2, 36, 0))
 924         g_type_init();
 925 #endif
 926
 927         kb = bundle_import_from_argv(argc, argv);
 928         if (kb) {
 929                 bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
 930                 if (viewer_endpoint) {
 931                         _E("viewer endpoint :%s", viewer_endpoint);
 932                         _widget_app_set_viewer_endpoint(viewer_endpoint);
 933                 } else {
 934                         _E("endpoint is missing");
 935                 }
 936
 937                 bundle_free(kb);
 938                 kb = NULL;
 939         } else {
 940                 _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
 941         }
 942
 943         screen_connector_provider_init();
 944         elm_init(argc, argv);
 945
 946         r = aul_launch_init(__aul_handler, NULL);
 947         if (r < 0) {
 948                 /* LCOV_EXCL_START */
 949                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 950                                 __FUNCTION__,
 951                                 "Fail to call the aul_launch_init");
 952                 /* LCOV_EXCL_STOP */
 953         }
 954
 955         r = aul_launch_argv_handler(argc, argv);
 956         if (r < 0) {
 957                 /* LCOV_EXCL_START */
 958                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 959                                 __FUNCTION__,
 960                                 "Fail to call the aul_launch_argv_handler");
 961                 /* LCOV_EXCL_STOP */
 962         }
 963
 964         r = app_get_id(&appid);
 965         if (r != APP_ERROR_NONE)
 966                 return r;
 967
 968         name = __get_domain_name(appid);
 969
 970         if (name == NULL) {
 971                 /* LCOV_EXCL_START */
 972                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 973                                 __FUNCTION__,
 974                                 "Fail to call __get_domain_name");
 975                 /* LCOV_EXCL_STOP */
 976         }
 977
 978         r = _set_i18n(name);
 979
 980         if (r < 0) {
 981                 /* LCOV_EXCL_START */
 982                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 983                                 __FUNCTION__,
 984                                 "Fail to call _set_i18n");
 985                 /* LCOV_EXCL_STOP */
 986         }
 987
 988         __add_climsg();
 989
 990         _widget_core_set_appcore_event_cb();
 991
 992         class_provider = app_ops->create(app_user_data);
 993         if (class_provider == NULL) {
 994                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 995                                 __FUNCTION__, "widget_class is NULL");
 996         }
 997
 998         vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
 999
1000         return WIDGET_ERROR_NONE;
1001 }
1002
1003 static void __after_loop()
1004 {
1005         exit_called = 1;
1006         vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
1007
1008         __pause_all(UPDATE_LOCAL);
1009         __destroy_all(WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1010
1011         if (app_ops->terminate)
1012                 app_ops->terminate(app_user_data);
1013
1014         screen_connector_provider_fini();
1015
1016         _widget_app_free_viewer_endpoint();
1017         _widget_core_unset_appcore_event_cb();
1018         __free_handler_list();
1019
1020         if (package_id) {
1021                 free(package_id);
1022                 package_id = NULL;
1023         }
1024
1025         if (appid) {
1026                 free(appid);
1027                 appid = NULL;
1028         }
1029
1030         elm_shutdown();
1031 }
1032
1033 static void __on_low_memory(keynode_t *key, void *data)
1034 {
1035         int val;
1036
1037         val = vconf_keynode_get_int(key);
1038         if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
1039                 app_event_handler_h handler;
1040                 struct app_event_info event;
1041
1042                 _I("widget_app_low_memory");
1043
1044                 event.type = APP_EVENT_LOW_MEMORY;
1045                 event.value = (void *)&val;
1046
1047                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
1048
1049                 while (iter) {
1050                         handler = (app_event_handler_h) iter->data;
1051                         handler->cb(&event, handler->data);
1052                         iter = g_list_next(iter);
1053                 }
1054         }
1055 }
1056
1057 static void __on_low_battery(keynode_t *key, void *data)
1058 {
1059         int val;
1060
1061         val = vconf_keynode_get_int(key);
1062         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
1063                 app_event_handler_h handler;
1064                 struct app_event_info event;
1065
1066                 _I("widget_app_low_battery");
1067
1068                 event.type = APP_EVENT_LOW_BATTERY;
1069                 event.value = (void *)&val;
1070
1071                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
1072
1073                 while (iter) {
1074                         handler = (app_event_handler_h) iter->data;
1075                         handler->cb(&event, handler->data);
1076                         iter = g_list_next(iter);
1077                 }
1078         }
1079 }
1080
1081 static void __on_lang_changed(keynode_t *key, void *data)
1082 {
1083         char *val;
1084
1085         _update_lang();
1086         val = vconf_keynode_get_str(key);
1087
1088         app_event_handler_h handler;
1089         struct app_event_info event;
1090
1091         _I("widget_app_lang_changed");
1092
1093         event.type = APP_EVENT_LANGUAGE_CHANGED;
1094         event.value = (void *)val;
1095
1096         GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
1097
1098         while (iter) {
1099                 handler = (app_event_handler_h) iter->data;
1100                 handler->cb(&event, handler->data);
1101                 iter = g_list_next(iter);
1102         }
1103 }
1104
1105 static void __on_region_changed(keynode_t *key, void *data)
1106 {
1107         char *val;
1108
1109         _update_region();
1110         val = vconf_keynode_get_str(key);
1111
1112         app_event_handler_h handler;
1113         struct app_event_info event;
1114
1115         _I("widget_app_region_changed");
1116
1117         event.type = APP_EVENT_REGION_FORMAT_CHANGED;
1118         event.value = (void *)val;
1119
1120         GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
1121
1122         while (iter) {
1123                 handler = (app_event_handler_h) iter->data;
1124                 handler->cb(&event, handler->data);
1125                 iter = g_list_next(iter);
1126         }
1127 }
1128
1129 static void __register_event(int event_type)
1130 {
1131         switch (event_type) {
1132         case APP_EVENT_LOW_MEMORY:
1133                 vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1134                 break;
1135
1136         case APP_EVENT_LOW_BATTERY:
1137                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1138                 break;
1139
1140         case APP_EVENT_LANGUAGE_CHANGED:
1141                 vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
1142                 break;
1143
1144         case APP_EVENT_REGION_FORMAT_CHANGED:
1145                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
1146                 break;
1147         }
1148 }
1149
1150 static void __unregister_event(int event_type)
1151 {
1152         switch (event_type) {
1153         case APP_EVENT_LOW_MEMORY:
1154                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1155                 break;
1156
1157         case APP_EVENT_LOW_BATTERY:
1158                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1159                 break;
1160
1161         case APP_EVENT_LANGUAGE_CHANGED:
1162                 vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
1163                 break;
1164
1165         case APP_EVENT_REGION_FORMAT_CHANGED:
1166                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
1167                 break;
1168         }
1169 }
1170
1171 static void _widget_core_set_appcore_event_cb(void)
1172 {
1173         __register_event(APP_EVENT_LANGUAGE_CHANGED);
1174         __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
1175 }
1176
1177 static void _widget_core_unset_appcore_event_cb(void)
1178 {
1179         __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
1180         __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
1181 }
1182
1183 EXPORT_API int widget_app_main(int argc, char **argv,
1184                 widget_app_lifecycle_callback_s *callback, void *user_data)
1185 {
1186         int r;
1187
1188         if (!_is_widget_feature_enabled()) {
1189                 _E("not supported"); /* LCOV_EXCL_LINE */
1190                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1191         }
1192
1193         if (argc <= 0 || argv == NULL || callback == NULL)
1194                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1195                                 __FUNCTION__, NULL);
1196
1197         if (callback->create == NULL)
1198                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1199                                 __FUNCTION__,
1200                                 "widget_app_create_cb() callback must be "
1201                                 "registered");
1202         app_ops = callback;
1203         app_user_data = user_data;
1204         r = __before_loop(argc, argv);
1205         if (r < 0) {
1206                 if (appid) {
1207                         free(appid);
1208                         appid = NULL;
1209                 }
1210                 return r;
1211         }
1212
1213         ecore_main_loop_begin();
1214         aul_status_update(STATUS_DYING);
1215         __after_loop();
1216
1217         return WIDGET_ERROR_NONE;
1218 }
1219
1220 EXPORT_API int widget_app_exit(void)
1221 {
1222         if (!_is_widget_feature_enabled()) {
1223                 _E("not supported"); /* LCOV_EXCL_LINE */
1224                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1225         }
1226
1227         if (exit_called)
1228                 return WIDGET_ERROR_NONE;
1229
1230         exit_called = 1;
1231
1232         ecore_main_loop_quit();
1233
1234         return WIDGET_ERROR_NONE;
1235 }
1236
1237 /* LCOV_EXCL_START */
1238 static gboolean __finish_event_cb(gpointer user_data)
1239 {
1240         if (user_data == NULL)
1241                 return FALSE;
1242
1243         widget_context_s *wc = (widget_context_s *)user_data;
1244
1245         switch (wc->state) {
1246         case WC_READY:
1247                 __instance_resume(wc->provider, wc->id, UPDATE_LOCAL);
1248         case WC_RUNNING:
1249                 __instance_pause(wc->provider, wc->id, UPDATE_LOCAL);
1250         case WC_PAUSED:
1251                 __instance_destroy(wc->provider, wc->id,
1252                                 WIDGET_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1253                 break;
1254         default:
1255                 break;
1256         }
1257
1258         return FALSE;
1259 }
1260 /* LCOV_EXCL_STOP */
1261
1262 EXPORT_API int widget_app_terminate_context(widget_context_h context)
1263 {
1264         if (!_is_widget_feature_enabled()) {
1265                 _E("not supported"); /* LCOV_EXCL_LINE */
1266                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1267         }
1268
1269         if (context == NULL)
1270                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1271                                 __FUNCTION__, NULL);
1272
1273         g_idle_add(__finish_event_cb, context);
1274         return WIDGET_ERROR_NONE;
1275 }
1276
1277 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
1278 {
1279         GList *contexts = _widget_app_get_contexts();
1280         GList *list;
1281         widget_context_s *wc;
1282
1283         if (!_is_widget_feature_enabled()) {
1284                 _E("not supported"); /* LCOV_EXCL_LINE */
1285                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1286         }
1287
1288         if (!cb)
1289                 return WIDGET_ERROR_INVALID_PARAMETER;
1290
1291         list = g_list_first(contexts);
1292
1293         while (list) {
1294                 wc = (widget_context_s *)list->data;
1295                 if (wc) {
1296                         if (!cb(wc, data))
1297                                 break;
1298                 }
1299                 list = list->next;
1300         }
1301
1302         return WIDGET_ERROR_NONE;
1303 }
1304
1305 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
1306                                         app_event_type_e event_type, app_event_cb callback,
1307                                         void *user_data)
1308 {
1309         int r;
1310         bool feature;
1311
1312         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1313         if (r < 0)
1314                 return WIDGET_ERROR_FAULT;
1315
1316         if (!feature)
1317                 return WIDGET_ERROR_NOT_SUPPORTED;
1318
1319         app_event_handler_h handler;
1320
1321         if (event_handler == NULL || callback == NULL)
1322                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1323
1324         if (event_type < APP_EVENT_LOW_MEMORY
1325             || event_type > APP_EVENT_REGION_FORMAT_CHANGED)
1326                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1327
1328         if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
1329                 return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
1330
1331         GList *iter = g_list_first(handler_list[event_type]);
1332
1333         while (iter) {
1334                 handler = (app_event_handler_h) iter->data;
1335
1336                 if (handler->cb == callback)
1337                         return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1338
1339                 iter = g_list_next(iter);
1340         }
1341
1342         handler = calloc(1, sizeof(struct app_event_handler));
1343         if (!handler)
1344                 return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL); /* LCOV_EXCL_LINE */
1345
1346         if (g_list_length(handler_list[event_type]) == 0)
1347                 __register_event(event_type);
1348
1349         handler->type = event_type;
1350         handler->cb = callback;
1351         handler->data = user_data;
1352         handler_list[event_type] = g_list_append(handler_list[event_type], handler);
1353
1354         *event_handler = handler;
1355
1356         return WIDGET_ERROR_NONE;
1357 }
1358
1359 EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
1360                                                 event_handler)
1361 {
1362         int r;
1363         bool feature;
1364
1365         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1366         if (r < 0)
1367                 return WIDGET_ERROR_FAULT;
1368
1369         if (!feature)
1370                 return WIDGET_ERROR_NOT_SUPPORTED;
1371
1372         app_event_type_e type;
1373
1374         if (event_handler == NULL)
1375                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1376
1377         type = event_handler->type;
1378         if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
1379                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1380
1381         handler_list[type] = g_list_remove(handler_list[type], event_handler);
1382         free(event_handler);
1383
1384         if (g_list_length(handler_list[type]) == 0)
1385                 __unregister_event(type);
1386
1387         return WIDGET_ERROR_NONE;
1388 }
1389
1390 EXPORT_API const char *widget_app_get_id(widget_context_h context)
1391 {
1392         if (!_is_widget_feature_enabled()) {
1393                 _E("not supported"); /* LCOV_EXCL_LINE */
1394                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1395                 return NULL; /* LCOV_EXCL_LINE */
1396         }
1397
1398         if (!context) {
1399                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1400                 return NULL;
1401         }
1402
1403         set_last_result(WIDGET_ERROR_NONE);
1404         return context->id;
1405 }
1406
1407 static void _win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
1408 {
1409        /* Remove data used in accessibility */
1410         char *plug_id;
1411         plug_id = evas_object_data_del(obj, "___PLUGID");
1412         free(plug_id);
1413 }
1414
1415 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
1416                                         Evas_Object **win)
1417 {
1418         widget_context_s *cxt = (widget_context_s *)context;
1419         Evas_Object *ret_win;
1420         Ecore_Wl_Window *wl_win;
1421         struct wl_surface *surface;
1422         char buffer[256];
1423         int rots[3] = {0};
1424
1425         if (!_is_widget_feature_enabled()) {
1426                 _E("not supported"); /* LCOV_EXCL_LINE */
1427                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1428         }
1429
1430         if (context == NULL || win == NULL)
1431                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1432                                 __FUNCTION__, NULL);
1433
1434         ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
1435         if (ret_win == NULL) {
1436                 _E("failed to create window"); /* LCOV_EXCL_LINE */
1437                 goto fault; /* LCOV_EXCL_LINE */
1438         }
1439
1440         elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
1441         elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
1442
1443         wl_win = elm_win_wl_window_get(ret_win);
1444         if (wl_win == NULL) {
1445                 _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
1446                 goto fault;
1447         }
1448
1449         surface = ecore_wl_window_surface_get(wl_win);
1450         if (surface == NULL) {
1451                 _E("failed to get surface"); /* LCOV_EXCL_LINE */
1452                 goto fault; /* LCOV_EXCL_LINE */
1453         }
1454         screen_connector_provider_remote_enable(cxt->id, surface);
1455
1456         ecore_wl_window_class_name_set(wl_win, cxt->id);
1457         elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
1458
1459         *win = ret_win;
1460         cxt->win = ret_win;
1461         cxt->win_id = ecore_wl_window_id_get(wl_win);
1462
1463         /* Set data to use in accessibility */
1464         snprintf(buffer, sizeof(buffer), "%s:%d", cxt->id, getpid());
1465         evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
1466         evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, _win_del_cb, NULL);
1467
1468         _D("window created: %d", cxt->win_id);
1469
1470         return WIDGET_ERROR_NONE;
1471
1472 fault:
1473         if (ret_win)    /* LCOV_EXCL_LINE */
1474                 evas_object_del(ret_win); /* LCOV_EXCL_LINE */
1475
1476         return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
1477
1478 }
1479
1480 widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
1481                 widget_instance_lifecycle_callback_s callback, void *user_data)
1482 {
1483         widget_class_s *wc;
1484
1485         if (!_is_widget_feature_enabled()) {
1486                 _E("not supported"); /* LCOV_EXCL_LINE */
1487                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1488                 return NULL;
1489         }
1490
1491         if (class_id == NULL) {
1492                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1493                 return NULL;
1494         }
1495
1496         wc = (widget_class_s *)calloc(1, sizeof(widget_class_s));
1497         if (wc == NULL) {
1498                 _E("failed to calloc : %s", __FUNCTION__); /* LCOV_EXCL_LINE */
1499                 set_last_result(WIDGET_ERROR_OUT_OF_MEMORY); /* LCOV_EXCL_LINE */
1500                 return NULL; /* LCOV_EXCL_LINE */
1501         }
1502
1503         wc->classid = strdup(class_id);
1504         wc->user_data = user_data;
1505         wc->ops = callback;
1506         wc->next = prev;
1507         wc->prev = NULL;
1508
1509         set_last_result(WIDGET_ERROR_NONE);
1510
1511         if (prev)
1512                 prev->prev = wc;
1513
1514         return wc;
1515 }
1516
1517 EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
1518                 const char *class_id,
1519                 widget_instance_lifecycle_callback_s callback, void *user_data)
1520 {
1521         return _widget_class_create(widget_class, class_id, callback,
1522                         user_data);
1523 }
1524
1525 EXPORT_API widget_class_h widget_app_class_create(
1526                 widget_instance_lifecycle_callback_s callback, void *user_data)
1527 {
1528         return _widget_class_create(class_provider, appid, callback, user_data);
1529 }
1530
1531 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
1532 {
1533         if (!_is_widget_feature_enabled()) {
1534                 _E("not supported"); /* LCOV_EXCL_LINE */
1535                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1536         }
1537
1538         if (context == NULL)
1539                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1540                                 __FUNCTION__, NULL);
1541
1542         context->tag = tag;
1543
1544         return WIDGET_ERROR_NONE;
1545 }
1546
1547 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
1548 {
1549         if (!_is_widget_feature_enabled()) {
1550                 _E("not supported"); /* LCOV_EXCL_LINE */
1551                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1552         }
1553
1554         if (context == NULL || tag == NULL)
1555                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1556                                 __FUNCTION__, NULL);
1557
1558         *tag = context->tag;
1559
1560         return WIDGET_ERROR_NONE;
1561 }
1562
1563 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
1564                 bundle *content_info)
1565 {
1566         const char *class_id = NULL;
1567         int ret = 0;
1568         bundle_raw *raw = NULL;
1569         int len;
1570
1571         if (!_is_widget_feature_enabled()) {
1572                 _E("not supported"); /* LCOV_EXCL_LINE */
1573                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1574         }
1575
1576         if (context == NULL || content_info == NULL)
1577                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1578                                 __FUNCTION__, NULL);
1579
1580         if (context->provider == NULL)
1581                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1582                                 __FUNCTION__, NULL);
1583
1584         class_id = context->provider->classid;
1585         if (class_id == NULL)
1586                 return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
1587
1588         ret = __send_update_status(class_id, context->id,
1589                         WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
1590
1591         if (context->content)
1592                 free(context->content);
1593
1594         bundle_encode(content_info, &raw, &len);
1595         if (raw)
1596                 context->content = strdup((const char *)raw);
1597         else
1598                 context->content = NULL;
1599
1600         free(raw);
1601         if (ret < 0) {
1602                 /* LCOV_EXCL_START */
1603                 _E("failed to send content info: %s of %s (%d)", context->id,
1604                                 class_id, ret);
1605                 return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
1606                                 NULL);
1607                 /* LCOV_EXCL_STOP */
1608         }
1609
1610         return WIDGET_ERROR_NONE;
1611 }
1612
1613 EXPORT_API int widget_app_context_set_title(widget_context_h context,
1614                 const char *title)
1615 {
1616         if (!_is_widget_feature_enabled()) {
1617                 _E("not supported"); /* LCOV_EXCL_LINE */
1618                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1619         }
1620
1621         if (!context || !title)
1622                 return WIDGET_ERROR_INVALID_PARAMETER;
1623
1624         if (context->win)
1625                 elm_win_title_set(context->win, title);
1626
1627         return WIDGET_ERROR_NONE;
1628 }