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                 return WIDGET_ERROR_OUT_OF_MEMORY;
 460
 461         wc->state = WC_READY;
 462         wc->id = strdup(id);
 463         wc->provider = handle;
 464         wc->win = NULL;
 465         wc->win_id = -1;
 466
 467         if (content) {
 468                 wc->content = strdup(content);
 469                 content_info = bundle_decode((const bundle_raw *)content, strlen(content));
 470         }
 471
 472         _widget_app_add_context(wc);
 473
 474         ret = handle->ops.create(wc, content_info, w, h, handle->user_data);
 475         if (ret < 0) {
 476                 /* TODO send abort */
 477         } else {
 478                 ret = __send_update_status(handle->classid, wc->id,
 479                         WIDGET_INSTANCE_EVENT_CREATE, NULL);
 480
 481                 if (content == NULL)
 482                         content = "NULL";
 483
 484                 aul_widget_instance_add(handle->classid, id);
 485         }
 486
 487         if (content_info)
 488                 bundle_free(content_info);
 489
 490         return ret;
 491 }
 492
 493 static int __instance_destroy(widget_class_h handle, const char *id,
 494                 widget_app_destroy_type_e reason, int send_update)
 495 {
 496         widget_context_s *wc = __find_context_by_id(id);
 497         int ret = 0;
 498         int event = WIDGET_INSTANCE_EVENT_TERMINATE;
 499         bundle *content_info;
 500
 501         if (!wc) {
 502                 _E("could not find widget obj: %s, clear amd info", id);        /* LCOV_EXCL_LINE */
 503                 aul_widget_instance_del(handle->classid, id);                   /* LCOV_EXCL_LINE */
 504                 return WIDGET_ERROR_NONE;                                       /* LCOV_EXCL_LINE */
 505         }
 506
 507         wc->state = WC_TERMINATED;
 508         if (wc->content)
 509                 content_info = bundle_decode((const bundle_raw *)wc->content, strlen(wc->content));
 510         else
 511                 content_info = bundle_create();
 512
 513         handle->ops.destroy(wc, reason, content_info,
 514                         handle->user_data);
 515
 516         if (reason == WIDGET_APP_DESTROY_TYPE_PERMANENT) {
 517                 event = WIDGET_INSTANCE_EVENT_DESTROY;
 518                 aul_widget_instance_del(handle->classid, id);
 519         } else {
 520                 ret = __send_update_status(handle->classid, id,
 521                                 WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
 522         }
 523
 524         if (content_info)
 525                 bundle_free(content_info);
 526
 527         ret = __send_update_status(handle->classid, id, event, NULL);
 528
 529         _widget_app_remove_context(wc);
 530
 531         if (wc->id)
 532                 free(wc->id);
 533
 534         if (wc->content)
 535                 free(wc->content);
 536
 537         free(wc);
 538
 539         if (_widget_app_get_contexts() == NULL && !exit_called) /* all instance destroyed */
 540                 widget_app_exit();
 541
 542         return ret;
 543 }
 544
 545 static widget_class_h __find_class_handler(const char *class_id,
 546                 widget_class_h handle)
 547 {
 548         if (!class_id || !handle)
 549                 return NULL;
 550
 551         widget_class_h head = handle;
 552
 553         while (head) {
 554                 if (head->classid && strcmp(head->classid, class_id) == 0)
 555                         return head;
 556
 557                 head = head->next;
 558         }
 559
 560         return NULL;
 561 }
 562
 563 /* LCOV_EXCL_START */
 564 static void __resize_window(char *id, int w, int h)
 565 {
 566         widget_context_s *wc = __find_context_by_id(id);
 567
 568         if (!wc) {
 569                 _E("can not find instance: %s", id);
 570                 return;
 571         }
 572
 573         if (wc->win)
 574                 evas_object_resize(wc->win, w, h);
 575         else
 576                 _E("unable to find window of %d", wc->id);
 577 }
 578 /* LCOV_EXCL_STOP */
 579
 580 static void __control(bundle *b)
 581 {
 582         char *class_id = NULL;
 583         char *id = NULL;
 584         char *operation = NULL;
 585         char *content = NULL;
 586         char *w_str = NULL;
 587         char *h_str = NULL;
 588         int w = 0;
 589         int h = 0;
 590         char *remain = NULL;
 591         int force;
 592         char *force_str = NULL;
 593         widget_class_h handle = NULL;
 594
 595         bundle_get_str(b, WIDGET_K_CLASS, &class_id);
 596         /* for previous version compatibility, use appid for default class id */
 597         if (class_id == NULL)
 598                 class_id = appid;
 599
 600         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
 601         bundle_get_str(b, WIDGET_K_OPERATION, &operation);
 602
 603         handle = __find_class_handler(class_id, class_provider);
 604         if (!handle) {
 605                 _E("no handle provided: %s", class_id); /* LCOV_EXCL_LINE */
 606                 goto error;
 607         }
 608
 609         if (!operation) {
 610                 _E("no operation provided");
 611                 goto error;
 612         }
 613
 614         bundle_get_str(b, WIDGET_K_FORCE, &force_str);
 615
 616         if (force_str && strcmp(force_str, "true") == 0)
 617                 force = 1;
 618         else
 619                 force = 0;
 620
 621         bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
 622         bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
 623         bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
 624         if (w_str)
 625                 w = (int)g_ascii_strtoll(w_str, &remain, 10);
 626
 627         if (h_str)
 628                 h = (int)g_ascii_strtoll(h_str, &remain, 10);
 629
 630         if (strcmp(operation, "create") == 0) {
 631                 __instance_create(handle, id, content, w, h);
 632         } else if (strcmp(operation, "resize") == 0) {
 633                 __resize_window(id, w, h);
 634         } else if (strcmp(operation, "update") == 0) {
 635                 if (id)
 636                         __instance_update(handle, id, force, content);
 637                 else
 638                         __instance_update_all(handle, force, content);
 639
 640         } else if (strcmp(operation, "destroy") == 0) {
 641                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_PERMANENT, UPDATE_ALL);
 642         } else if (strcmp(operation, "resume") == 0) {
 643                 __instance_resume(handle, id, UPDATE_ALL);
 644         } else if (strcmp(operation, "pause") == 0) {
 645                 __instance_pause(handle, id, UPDATE_ALL);
 646         } else if (strcmp(operation, "terminate") == 0) {
 647                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
 648         }
 649
 650         return;
 651 error:
 652         LOGD("error on control");
 653         return;
 654 }
 655
 656 static void __pause_all(int send_update)
 657 {
 658         GList *contexts = _widget_app_get_contexts();
 659         GList *iter = g_list_first(contexts);
 660
 661         while (iter != NULL) {
 662                 widget_context_s *cxt = (widget_context_s *)iter->data;
 663
 664                 switch (cxt->state) {
 665                 case WC_READY:
 666                         __instance_resume(cxt->provider, cxt->id, send_update);
 667                         __instance_pause(cxt->provider, cxt->id, send_update);
 668                         break;
 669                 case WC_RUNNING:
 670                         __instance_pause(cxt->provider, cxt->id, send_update);
 671                         break;
 672                 }
 673                 LOGD("pause %s", cxt->id);
 674                 iter = g_list_next(iter);
 675         }
 676 }
 677
 678 /* LCOV_EXCL_START */
 679 static void __resume_all(int send_update)
 680 {
 681         GList *contexts = _widget_app_get_contexts();
 682         GList *iter = g_list_first(contexts);
 683
 684         while (iter != NULL) {
 685                 widget_context_s *cxt = (widget_context_s *)iter->data;
 686
 687                 switch (cxt->state) {
 688                 case WC_READY:
 689                         __instance_resume(cxt->provider, cxt->id, send_update);
 690                         break;
 691                 case WC_PAUSED:
 692                         __instance_resume(cxt->provider, cxt->id, send_update);
 693                         break;
 694                 }
 695                 iter = g_list_next(iter);
 696         }
 697 }
 698 /* LCOV_EXCL_STOP */
 699
 700 static void __destroy_all(int reason, int send_update)
 701 {
 702         GList *contexts = _widget_app_get_contexts();
 703         GList *iter = g_list_first(contexts);
 704
 705         __pause_all(send_update);
 706         while (iter != NULL) {
 707                 widget_context_s *cxt = (widget_context_s *)iter->data;
 708                 iter = g_list_next(iter);
 709                 switch (cxt->state) {
 710                 case WC_PAUSED:
 711                         LOGD("destroy %d : %s", cxt->state, cxt->id);
 712                         __instance_destroy(cxt->provider, cxt->id, reason, send_update);
 713                         break;
 714                 }
 715         }
 716 }
 717
 718
 719 static Eina_Bool __show_cb(void *data, int type, void *event)
 720 {
 721         Ecore_Wl_Event_Window_Show *ev = event;
 722         widget_context_s *cxt = __find_context_by_win(ev->win);
 723
 724         LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
 725
 726         if (cxt)
 727                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 728         else
 729                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 730
 731         return ECORE_CALLBACK_RENEW;
 732 }
 733
 734 static Eina_Bool __hide_cb(void *data, int type, void *event)
 735 {
 736         Ecore_Wl_Event_Window_Hide *ev = event;
 737         widget_context_s *cxt = __find_context_by_win(ev->win);
 738
 739
 740         LOGD("hide %d", (unsigned int)ev->win);
 741
 742         if (cxt)
 743                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 744         else
 745                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 746
 747         return ECORE_CALLBACK_RENEW;
 748 }
 749
 750 static Eina_Bool __visibility_cb(void *data, int type, void *event)
 751 {
 752         Ecore_Wl_Event_Window_Visibility_Change *ev = event;
 753         widget_context_s *cxt = __find_context_by_win(ev->win);
 754
 755         LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
 756
 757         if (!cxt) {
 758                 LOGE("unknown window error: %d", ev->win);
 759                 return ECORE_CALLBACK_RENEW;
 760         }
 761
 762         if (cxt->state == WC_PAUSED && ev->fully_obscured == 0) {
 763                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 764         } else if (cxt->state == WC_RUNNING && ev->fully_obscured == 1) {
 765                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 766         } else {
 767                 LOGD("cxt:%s state:%d obscured:%d", cxt->id, cxt->state, ev->fully_obscured);
 768         }
 769
 770         return ECORE_CALLBACK_RENEW;
 771 }
 772
 773 /* LCOV_EXCL_START */
 774 static Eina_Bool __lower_cb(void *data, int type, void *event)
 775 {
 776         LOGD("lower");
 777         return ECORE_CALLBACK_RENEW;
 778 }
 779 /* LCOV_EXCL_STOP */
 780
 781 static Eina_Bool __configure_cb(void *data, int type, void *event)
 782 {
 783         Ecore_Wl_Event_Window_Configure *ev = event;
 784         widget_context_s *cxt = __find_context_by_win(ev->win);
 785
 786         LOGD("configure: %d %d", ev->w, ev->h);
 787
 788         if (!cxt) {
 789                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 790                 return ECORE_CALLBACK_RENEW; /* LCOV_EXCL_LINE */
 791         }
 792
 793         if (cxt->state == WC_PAUSED || cxt->state == WC_RUNNING)
 794                 __instance_resize(cxt->provider, cxt->id, ev->w, ev->h);
 795         LOGD("cxt:%s resized to %dx%d", cxt->id, ev->w, ev->h);
 796
 797         return ECORE_CALLBACK_RENEW;
 798 }
 799
 800 static void __add_climsg()
 801 {
 802         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
 803         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
 804         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
 805         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
 806         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_CONFIGURE, __configure_cb, NULL);
 807 }
 808
 809 static void __get_content(bundle *b)
 810 {
 811         char *instance_id = NULL;
 812         widget_context_s *cxt = NULL;
 813
 814         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
 815         if (!instance_id)
 816                 return;
 817
 818         cxt = __find_context_by_id(instance_id);
 819         if (!cxt) {
 820                 _E("can not find instance id:%s", instance_id);
 821                 return;
 822         }
 823
 824         if (cxt->content) {
 825                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, cxt->content);
 826                 _D("content info of %s found", cxt->id);
 827         } else {
 828                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
 829                 _D("empty content info added");
 830         }
 831 }
 832
 833 static int __aul_handler(aul_type type, bundle *b, void *data)
 834 {
 835         char *caller = NULL;
 836         char *remain = NULL;
 837
 838         switch (type) {
 839         case AUL_START:
 840                 if (b) {
 841                         bundle_get_str(b, WIDGET_K_CALLER, &caller);
 842                         if (caller) {
 843                                 caller_pid = g_ascii_strtoll(caller, &remain,
 844                                                 10);
 845                         } else {
 846                                 /* using caller appid and query pid using caller appid? */
 847                                 _E("no caller pid");
 848                         }
 849                 }
 850
 851                 __control(b);
 852                 break;
 853         case AUL_RESUME:
 854                 __resume_all(UPDATE_ALL);
 855                 break;
 856         case AUL_TERMINATE:
 857                 widget_app_exit();
 858                 break;
 859         case AUL_WIDGET_CONTENT:
 860                 __get_content(b);
 861                 break;
 862         default:
 863                 break;
 864         }
 865
 866         return 0;
 867 }
 868
 869 static char *__get_domain_name(char *appid)
 870 {
 871         char *name_token;
 872
 873         if (appid == NULL) {
 874                 _E("appid is NULL"); /* LCOV_EXCL_LINE */
 875                 return NULL; /* LCOV_EXCL_LINE */
 876         }
 877
 878         name_token = strrchr(appid, '.');
 879
 880         if (name_token == NULL) {
 881                 _E("appid is invalid"); /* LCOV_EXCL_LINE */
 882                 return appid; /* LCOV_EXCL_LINE */
 883         }
 884
 885         name_token++;
 886
 887         return name_token;
 888 }
 889
 890 /* LCOV_EXCL_START */
 891 static void __on_poweroff(keynode_t *key, void *data)
 892 {
 893         int val;
 894
 895         val = vconf_keynode_get_int(key);
 896         switch (val) {
 897         case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
 898         case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
 899                 _I("power off changed: %d", val);
 900                 widget_app_exit();
 901                 break;
 902         case VCONFKEY_SYSMAN_POWER_OFF_NONE:
 903         case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
 904         default:
 905                 /* DO NOTHING */
 906                 break;
 907         }
 908 }
 909 /* LCOV_EXCL_STOP */
 910
 911 extern int _set_i18n(const char *name);
 912
 913 static int __before_loop(int argc, char **argv)
 914 {
 915         int r;
 916         bundle *kb = NULL;
 917         char *name;
 918         char *viewer_endpoint = NULL;
 919
 920 #if !(GLIB_CHECK_VERSION(2, 36, 0))
 921         g_type_init();
 922 #endif
 923
 924         kb = bundle_import_from_argv(argc, argv);
 925         if (kb) {
 926                 bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
 927                 if (viewer_endpoint) {
 928                         _E("viewer endpoint :%s", viewer_endpoint);
 929                         _widget_app_set_viewer_endpoint(viewer_endpoint);
 930                 } else {
 931                         _E("endpoint is missing");
 932                 }
 933
 934                 bundle_free(kb);
 935                 kb = NULL;
 936         } else {
 937                 _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
 938         }
 939
 940         screen_connector_provider_init();
 941         elm_init(argc, argv);
 942
 943         r = aul_launch_init(__aul_handler, NULL);
 944         if (r < 0) {
 945                 /* LCOV_EXCL_START */
 946                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 947                                 __FUNCTION__,
 948                                 "Fail to call the aul_launch_init");
 949                 /* LCOV_EXCL_STOP */
 950         }
 951
 952         r = aul_launch_argv_handler(argc, argv);
 953         if (r < 0) {
 954                 /* LCOV_EXCL_START */
 955                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 956                                 __FUNCTION__,
 957                                 "Fail to call the aul_launch_argv_handler");
 958                 /* LCOV_EXCL_STOP */
 959         }
 960
 961         r = app_get_id(&appid);
 962         if (r != APP_ERROR_NONE)
 963                 return r;
 964
 965         name = __get_domain_name(appid);
 966
 967         if (name == NULL) {
 968                 /* LCOV_EXCL_START */
 969                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 970                                 __FUNCTION__,
 971                                 "Fail to call __get_domain_name");
 972                 /* LCOV_EXCL_STOP */
 973         }
 974
 975         r = _set_i18n(name);
 976
 977         if (r < 0) {
 978                 /* LCOV_EXCL_START */
 979                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 980                                 __FUNCTION__,
 981                                 "Fail to call _set_i18n");
 982                 /* LCOV_EXCL_STOP */
 983         }
 984
 985         __add_climsg();
 986
 987         _widget_core_set_appcore_event_cb();
 988
 989         class_provider = app_ops->create(app_user_data);
 990         if (class_provider == NULL) {
 991                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 992                                 __FUNCTION__, "widget_class is NULL");
 993         }
 994
 995         vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
 996
 997         return WIDGET_ERROR_NONE;
 998 }
 999
1000 static void __after_loop()
1001 {
1002         exit_called = 1;
1003         vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
1004
1005         __pause_all(UPDATE_LOCAL);
1006         __destroy_all(WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1007
1008         if (app_ops->terminate)
1009                 app_ops->terminate(app_user_data);
1010
1011         screen_connector_provider_fini();
1012
1013         _widget_app_free_viewer_endpoint();
1014         _widget_core_unset_appcore_event_cb();
1015         __free_handler_list();
1016
1017         if (package_id) {
1018                 free(package_id);
1019                 package_id = NULL;
1020         }
1021
1022         if (appid) {
1023                 free(appid);
1024                 appid = NULL;
1025         }
1026
1027         elm_shutdown();
1028 }
1029
1030 static void __on_low_memory(keynode_t *key, void *data)
1031 {
1032         int val;
1033
1034         val = vconf_keynode_get_int(key);
1035         if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
1036                 app_event_handler_h handler;
1037                 struct app_event_info event;
1038
1039                 _I("widget_app_low_memory");
1040
1041                 event.type = APP_EVENT_LOW_MEMORY;
1042                 event.value = (void *)&val;
1043
1044                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
1045
1046                 while (iter) {
1047                         handler = (app_event_handler_h) iter->data;
1048                         handler->cb(&event, handler->data);
1049                         iter = g_list_next(iter);
1050                 }
1051         }
1052 }
1053
1054 static void __on_low_battery(keynode_t *key, void *data)
1055 {
1056         int val;
1057
1058         val = vconf_keynode_get_int(key);
1059         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
1060                 app_event_handler_h handler;
1061                 struct app_event_info event;
1062
1063                 _I("widget_app_low_battery");
1064
1065                 event.type = APP_EVENT_LOW_BATTERY;
1066                 event.value = (void *)&val;
1067
1068                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
1069
1070                 while (iter) {
1071                         handler = (app_event_handler_h) iter->data;
1072                         handler->cb(&event, handler->data);
1073                         iter = g_list_next(iter);
1074                 }
1075         }
1076 }
1077
1078 static void __on_lang_changed(keynode_t *key, void *data)
1079 {
1080         char *val;
1081
1082         _update_lang();
1083         val = vconf_keynode_get_str(key);
1084
1085         app_event_handler_h handler;
1086         struct app_event_info event;
1087
1088         _I("widget_app_lang_changed");
1089
1090         event.type = APP_EVENT_LANGUAGE_CHANGED;
1091         event.value = (void *)val;
1092
1093         GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
1094
1095         while (iter) {
1096                 handler = (app_event_handler_h) iter->data;
1097                 handler->cb(&event, handler->data);
1098                 iter = g_list_next(iter);
1099         }
1100 }
1101
1102 static void __on_region_changed(keynode_t *key, void *data)
1103 {
1104         char *val;
1105
1106         _update_region();
1107         val = vconf_keynode_get_str(key);
1108
1109         app_event_handler_h handler;
1110         struct app_event_info event;
1111
1112         _I("widget_app_region_changed");
1113
1114         event.type = APP_EVENT_REGION_FORMAT_CHANGED;
1115         event.value = (void *)val;
1116
1117         GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
1118
1119         while (iter) {
1120                 handler = (app_event_handler_h) iter->data;
1121                 handler->cb(&event, handler->data);
1122                 iter = g_list_next(iter);
1123         }
1124 }
1125
1126 static void __register_event(int event_type)
1127 {
1128         switch (event_type) {
1129         case APP_EVENT_LOW_MEMORY:
1130                 vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1131                 break;
1132
1133         case APP_EVENT_LOW_BATTERY:
1134                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1135                 break;
1136
1137         case APP_EVENT_LANGUAGE_CHANGED:
1138                 vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
1139                 break;
1140
1141         case APP_EVENT_REGION_FORMAT_CHANGED:
1142                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
1143                 break;
1144         }
1145 }
1146
1147 static void __unregister_event(int event_type)
1148 {
1149         switch (event_type) {
1150         case APP_EVENT_LOW_MEMORY:
1151                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1152                 break;
1153
1154         case APP_EVENT_LOW_BATTERY:
1155                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1156                 break;
1157
1158         case APP_EVENT_LANGUAGE_CHANGED:
1159                 vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
1160                 break;
1161
1162         case APP_EVENT_REGION_FORMAT_CHANGED:
1163                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
1164                 break;
1165         }
1166 }
1167
1168 static void _widget_core_set_appcore_event_cb(void)
1169 {
1170         __register_event(APP_EVENT_LANGUAGE_CHANGED);
1171         __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
1172 }
1173
1174 static void _widget_core_unset_appcore_event_cb(void)
1175 {
1176         __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
1177         __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
1178 }
1179
1180 EXPORT_API int widget_app_main(int argc, char **argv,
1181                 widget_app_lifecycle_callback_s *callback, void *user_data)
1182 {
1183         int r;
1184
1185         if (!_is_widget_feature_enabled()) {
1186                 _E("not supported"); /* LCOV_EXCL_LINE */
1187                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1188         }
1189
1190         if (argc <= 0 || argv == NULL || callback == NULL)
1191                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1192                                 __FUNCTION__, NULL);
1193
1194         if (callback->create == NULL)
1195                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1196                                 __FUNCTION__,
1197                                 "widget_app_create_cb() callback must be "
1198                                 "registered");
1199         app_ops = callback;
1200         app_user_data = user_data;
1201         r = __before_loop(argc, argv);
1202         if (r < 0) {
1203                 if (appid) {
1204                         free(appid);
1205                         appid = NULL;
1206                 }
1207                 return r;
1208         }
1209
1210         ecore_main_loop_begin();
1211         aul_status_update(STATUS_DYING);
1212         __after_loop();
1213
1214         return WIDGET_ERROR_NONE;
1215 }
1216
1217 EXPORT_API int widget_app_exit(void)
1218 {
1219         if (!_is_widget_feature_enabled()) {
1220                 _E("not supported"); /* LCOV_EXCL_LINE */
1221                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1222         }
1223
1224         if (exit_called)
1225                 return WIDGET_ERROR_NONE;
1226
1227         exit_called = 1;
1228
1229         ecore_main_loop_quit();
1230
1231         return WIDGET_ERROR_NONE;
1232 }
1233
1234 /* LCOV_EXCL_START */
1235 static gboolean __finish_event_cb(gpointer user_data)
1236 {
1237         if (user_data == NULL)
1238                 return FALSE;
1239
1240         widget_context_s *wc = (widget_context_s *)user_data;
1241
1242         switch (wc->state) {
1243         case WC_READY:
1244                 __instance_resume(wc->provider, wc->id, UPDATE_LOCAL);
1245         case WC_RUNNING:
1246                 __instance_pause(wc->provider, wc->id, UPDATE_LOCAL);
1247         case WC_PAUSED:
1248                 __instance_destroy(wc->provider, wc->id,
1249                                 WIDGET_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1250                 break;
1251         default:
1252                 break;
1253         }
1254
1255         return FALSE;
1256 }
1257 /* LCOV_EXCL_STOP */
1258
1259 EXPORT_API int widget_app_terminate_context(widget_context_h context)
1260 {
1261         if (!_is_widget_feature_enabled()) {
1262                 _E("not supported"); /* LCOV_EXCL_LINE */
1263                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1264         }
1265
1266         if (context == NULL)
1267                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1268                                 __FUNCTION__, NULL);
1269
1270         g_idle_add(__finish_event_cb, context);
1271         return WIDGET_ERROR_NONE;
1272 }
1273
1274 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
1275 {
1276         GList *contexts = _widget_app_get_contexts();
1277         GList *list;
1278         widget_context_s *wc;
1279
1280         if (!_is_widget_feature_enabled()) {
1281                 _E("not supported"); /* LCOV_EXCL_LINE */
1282                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1283         }
1284
1285         if (!cb)
1286                 return WIDGET_ERROR_INVALID_PARAMETER;
1287
1288         list = g_list_first(contexts);
1289
1290         while (list) {
1291                 wc = (widget_context_s *)list->data;
1292                 if (wc) {
1293                         if (!cb(wc, data))
1294                                 break;
1295                 }
1296                 list = list->next;
1297         }
1298
1299         return WIDGET_ERROR_NONE;
1300 }
1301
1302 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
1303                                         app_event_type_e event_type, app_event_cb callback,
1304                                         void *user_data)
1305 {
1306         int r;
1307         bool feature;
1308
1309         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1310         if (r < 0)
1311                 return WIDGET_ERROR_FAULT;
1312
1313         if (!feature)
1314                 return WIDGET_ERROR_NOT_SUPPORTED;
1315
1316         app_event_handler_h handler;
1317
1318         if (event_handler == NULL || callback == NULL)
1319                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1320
1321         if (event_type < APP_EVENT_LOW_MEMORY
1322             || event_type > APP_EVENT_REGION_FORMAT_CHANGED)
1323                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1324
1325         if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
1326                 return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
1327
1328         GList *iter = g_list_first(handler_list[event_type]);
1329
1330         while (iter) {
1331                 handler = (app_event_handler_h) iter->data;
1332
1333                 if (handler->cb == callback)
1334                         return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1335
1336                 iter = g_list_next(iter);
1337         }
1338
1339         handler = calloc(1, sizeof(struct app_event_handler));
1340         if (!handler)
1341                 return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL); /* LCOV_EXCL_LINE */
1342
1343         if (g_list_length(handler_list[event_type]) == 0)
1344                 __register_event(event_type);
1345
1346         handler->type = event_type;
1347         handler->cb = callback;
1348         handler->data = user_data;
1349         handler_list[event_type] = g_list_append(handler_list[event_type], handler);
1350
1351         *event_handler = handler;
1352
1353         return WIDGET_ERROR_NONE;
1354 }
1355
1356 EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
1357                                                 event_handler)
1358 {
1359         int r;
1360         bool feature;
1361
1362         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1363         if (r < 0)
1364                 return WIDGET_ERROR_FAULT;
1365
1366         if (!feature)
1367                 return WIDGET_ERROR_NOT_SUPPORTED;
1368
1369         app_event_type_e type;
1370
1371         if (event_handler == NULL)
1372                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1373
1374         type = event_handler->type;
1375         if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
1376                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1377
1378         handler_list[type] = g_list_remove(handler_list[type], event_handler);
1379         free(event_handler);
1380
1381         if (g_list_length(handler_list[type]) == 0)
1382                 __unregister_event(type);
1383
1384         return WIDGET_ERROR_NONE;
1385 }
1386
1387 EXPORT_API const char *widget_app_get_id(widget_context_h context)
1388 {
1389         if (!_is_widget_feature_enabled()) {
1390                 _E("not supported"); /* LCOV_EXCL_LINE */
1391                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1392                 return NULL; /* LCOV_EXCL_LINE */
1393         }
1394
1395         if (!context) {
1396                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1397                 return NULL;
1398         }
1399
1400         set_last_result(WIDGET_ERROR_NONE);
1401         return context->id;
1402 }
1403
1404 static void _win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
1405 {
1406        /* Remove data used in accessibility */
1407         char *plug_id;
1408         plug_id = evas_object_data_del(obj, "___PLUGID");
1409         free(plug_id);
1410 }
1411
1412 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
1413                                         Evas_Object **win)
1414 {
1415         widget_context_s *cxt = (widget_context_s *)context;
1416         Evas_Object *ret_win;
1417         Ecore_Wl_Window *wl_win;
1418         struct wl_surface *surface;
1419         char buffer[256];
1420         int rots[3] = {0};
1421
1422         if (!_is_widget_feature_enabled()) {
1423                 _E("not supported"); /* LCOV_EXCL_LINE */
1424                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1425         }
1426
1427         if (context == NULL || win == NULL)
1428                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1429                                 __FUNCTION__, NULL);
1430
1431         ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
1432         if (ret_win == NULL) {
1433                 _E("failed to create window"); /* LCOV_EXCL_LINE */
1434                 goto fault; /* LCOV_EXCL_LINE */
1435         }
1436
1437         elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
1438         elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
1439
1440         wl_win = elm_win_wl_window_get(ret_win);
1441         if (wl_win == NULL) {
1442                 _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
1443                 goto fault;
1444         }
1445
1446         surface = ecore_wl_window_surface_get(wl_win);
1447         if (surface == NULL) {
1448                 _E("failed to get surface"); /* LCOV_EXCL_LINE */
1449                 goto fault; /* LCOV_EXCL_LINE */
1450         }
1451         screen_connector_provider_remote_enable(cxt->id, surface);
1452
1453         ecore_wl_window_class_name_set(wl_win, cxt->id);
1454         elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
1455
1456         *win = ret_win;
1457         cxt->win = ret_win;
1458         cxt->win_id = ecore_wl_window_id_get(wl_win);
1459
1460         /* Set data to use in accessibility */
1461         snprintf(buffer, sizeof(buffer), "%s:%d", cxt->id, getpid());
1462         evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
1463         evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, _win_del_cb, NULL);
1464
1465         _D("window created: %d", cxt->win_id);
1466
1467         return WIDGET_ERROR_NONE;
1468
1469 fault:
1470         if (ret_win)    /* LCOV_EXCL_LINE */
1471                 evas_object_del(ret_win); /* LCOV_EXCL_LINE */
1472
1473         return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
1474
1475 }
1476
1477 widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
1478                 widget_instance_lifecycle_callback_s callback, void *user_data)
1479 {
1480         widget_class_s *wc;
1481
1482         if (!_is_widget_feature_enabled()) {
1483                 _E("not supported"); /* LCOV_EXCL_LINE */
1484                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1485                 return NULL;
1486         }
1487
1488         if (class_id == NULL) {
1489                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1490                 return NULL;
1491         }
1492
1493         wc = (widget_class_s *)calloc(1, sizeof(widget_class_s));
1494         if (wc == NULL) {
1495                 _E("failed to calloc : %s", __FUNCTION__); /* LCOV_EXCL_LINE */
1496                 set_last_result(WIDGET_ERROR_OUT_OF_MEMORY); /* LCOV_EXCL_LINE */
1497                 return NULL; /* LCOV_EXCL_LINE */
1498         }
1499
1500         wc->classid = strdup(class_id);
1501         wc->user_data = user_data;
1502         wc->ops = callback;
1503         wc->next = prev;
1504         wc->prev = NULL;
1505
1506         set_last_result(WIDGET_ERROR_NONE);
1507
1508         if (prev)
1509                 prev->prev = wc;
1510
1511         return wc;
1512 }
1513
1514 EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
1515                 const char *class_id,
1516                 widget_instance_lifecycle_callback_s callback, void *user_data)
1517 {
1518         return _widget_class_create(widget_class, class_id, callback,
1519                         user_data);
1520 }
1521
1522 EXPORT_API widget_class_h widget_app_class_create(
1523                 widget_instance_lifecycle_callback_s callback, void *user_data)
1524 {
1525         return _widget_class_create(class_provider, appid, callback, user_data);
1526 }
1527
1528 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
1529 {
1530         if (!_is_widget_feature_enabled()) {
1531                 _E("not supported"); /* LCOV_EXCL_LINE */
1532                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1533         }
1534
1535         if (context == NULL)
1536                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1537                                 __FUNCTION__, NULL);
1538
1539         context->tag = tag;
1540
1541         return WIDGET_ERROR_NONE;
1542 }
1543
1544 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
1545 {
1546         if (!_is_widget_feature_enabled()) {
1547                 _E("not supported"); /* LCOV_EXCL_LINE */
1548                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1549         }
1550
1551         if (context == NULL || tag == NULL)
1552                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1553                                 __FUNCTION__, NULL);
1554
1555         *tag = context->tag;
1556
1557         return WIDGET_ERROR_NONE;
1558 }
1559
1560 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
1561                 bundle *content_info)
1562 {
1563         const char *class_id = NULL;
1564         int ret = 0;
1565         bundle_raw *raw = NULL;
1566         int len;
1567
1568         if (!_is_widget_feature_enabled()) {
1569                 _E("not supported"); /* LCOV_EXCL_LINE */
1570                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1571         }
1572
1573         if (context == NULL || content_info == NULL)
1574                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1575                                 __FUNCTION__, NULL);
1576
1577         if (context->provider == NULL)
1578                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1579                                 __FUNCTION__, NULL);
1580
1581         class_id = context->provider->classid;
1582         if (class_id == NULL)
1583                 return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
1584
1585         ret = __send_update_status(class_id, context->id,
1586                         WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
1587
1588         if (context->content)
1589                 free(context->content);
1590
1591         bundle_encode(content_info, &raw, &len);
1592         if (raw)
1593                 context->content = strdup((const char *)raw);
1594         else
1595                 context->content = NULL;
1596
1597         free(raw);
1598         if (ret < 0) {
1599                 /* LCOV_EXCL_START */
1600                 _E("failed to send content info: %s of %s (%d)", context->id,
1601                                 class_id, ret);
1602                 return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
1603                                 NULL);
1604                 /* LCOV_EXCL_STOP */
1605         }
1606
1607         return WIDGET_ERROR_NONE;
1608 }
1609
1610 EXPORT_API int widget_app_context_set_title(widget_context_h context,
1611                 const char *title)
1612 {
1613         if (!_is_widget_feature_enabled()) {
1614                 _E("not supported"); /* LCOV_EXCL_LINE */
1615                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1616         }
1617
1618         if (!context || !title)
1619                 return WIDGET_ERROR_INVALID_PARAMETER;
1620
1621         if (context->win)
1622                 elm_win_title_set(context->win, title);
1623
1624         return WIDGET_ERROR_NONE;
1625 }