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                 __instance_resize(handle, id, w, h);
 638         } else if (strcmp(operation, "update") == 0) {
 639                 if (id)
 640                         __instance_update(handle, id, force, content);
 641                 else
 642                         __instance_update_all(handle, force, content);
 643
 644         } else if (strcmp(operation, "destroy") == 0) {
 645                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_PERMANENT, UPDATE_ALL);
 646         } else if (strcmp(operation, "resume") == 0) {
 647                 __instance_resume(handle, id, UPDATE_ALL);
 648         } else if (strcmp(operation, "pause") == 0) {
 649                 __instance_pause(handle, id, UPDATE_ALL);
 650         } else if (strcmp(operation, "terminate") == 0) {
 651                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
 652         }
 653
 654         return;
 655 error:
 656         LOGD("error on control");
 657         return;
 658 }
 659
 660 static void __pause_all(int send_update)
 661 {
 662         GList *contexts = _widget_app_get_contexts();
 663         GList *iter = g_list_first(contexts);
 664
 665         while (iter != NULL) {
 666                 widget_context_s *cxt = (widget_context_s *)iter->data;
 667
 668                 switch (cxt->state) {
 669                 case WC_READY:
 670                         __instance_resume(cxt->provider, cxt->id, send_update);
 671                         __instance_pause(cxt->provider, cxt->id, send_update);
 672                         break;
 673                 case WC_RUNNING:
 674                         __instance_pause(cxt->provider, cxt->id, send_update);
 675                         break;
 676                 }
 677                 LOGD("pause %s", cxt->id);
 678                 iter = g_list_next(iter);
 679         }
 680 }
 681
 682 /* LCOV_EXCL_START */
 683 static void __resume_all(int send_update)
 684 {
 685         GList *contexts = _widget_app_get_contexts();
 686         GList *iter = g_list_first(contexts);
 687
 688         while (iter != NULL) {
 689                 widget_context_s *cxt = (widget_context_s *)iter->data;
 690
 691                 switch (cxt->state) {
 692                 case WC_READY:
 693                         __instance_resume(cxt->provider, cxt->id, send_update);
 694                         break;
 695                 case WC_PAUSED:
 696                         __instance_resume(cxt->provider, cxt->id, send_update);
 697                         break;
 698                 }
 699                 iter = g_list_next(iter);
 700         }
 701 }
 702 /* LCOV_EXCL_STOP */
 703
 704 static void __destroy_all(int reason, int send_update)
 705 {
 706         GList *contexts = _widget_app_get_contexts();
 707         GList *iter = g_list_first(contexts);
 708
 709         __pause_all(send_update);
 710         while (iter != NULL) {
 711                 widget_context_s *cxt = (widget_context_s *)iter->data;
 712                 iter = g_list_next(iter);
 713                 switch (cxt->state) {
 714                 case WC_PAUSED:
 715                         LOGD("destroy %d : %s", cxt->state, cxt->id);
 716                         __instance_destroy(cxt->provider, cxt->id, reason, send_update);
 717                         break;
 718                 }
 719         }
 720 }
 721
 722
 723 static Eina_Bool __show_cb(void *data, int type, void *event)
 724 {
 725         Ecore_Wl_Event_Window_Show *ev = event;
 726         widget_context_s *cxt = __find_context_by_win(ev->win);
 727
 728         LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
 729
 730         if (cxt)
 731                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 732         else
 733                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 734
 735         return ECORE_CALLBACK_RENEW;
 736 }
 737
 738 static Eina_Bool __hide_cb(void *data, int type, void *event)
 739 {
 740         Ecore_Wl_Event_Window_Hide *ev = event;
 741         widget_context_s *cxt = __find_context_by_win(ev->win);
 742
 743
 744         LOGD("hide %d", (unsigned int)ev->win);
 745
 746         if (cxt)
 747                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 748         else
 749                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 750
 751         return ECORE_CALLBACK_RENEW;
 752 }
 753
 754 static Eina_Bool __visibility_cb(void *data, int type, void *event)
 755 {
 756         Ecore_Wl_Event_Window_Visibility_Change *ev = event;
 757         widget_context_s *cxt = __find_context_by_win(ev->win);
 758
 759         LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
 760
 761         if (!cxt) {
 762                 LOGE("unknown window error: %d", ev->win);
 763                 return ECORE_CALLBACK_RENEW;
 764         }
 765
 766         if (cxt->state == WC_PAUSED && ev->fully_obscured == 0) {
 767                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 768         } else if (cxt->state == WC_RUNNING && ev->fully_obscured == 1) {
 769                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 770         } else {
 771                 LOGD("cxt:%s state:%d obscured:%d", cxt->id, cxt->state, ev->fully_obscured);
 772         }
 773
 774         return ECORE_CALLBACK_RENEW;
 775 }
 776
 777 /* LCOV_EXCL_START */
 778 static Eina_Bool __lower_cb(void *data, int type, void *event)
 779 {
 780         LOGD("lower");
 781         return ECORE_CALLBACK_RENEW;
 782 }
 783 /* LCOV_EXCL_STOP */
 784
 785 static Eina_Bool __configure_cb(void *data, int type, void *event)
 786 {
 787         Ecore_Wl_Event_Window_Configure *ev = event;
 788         widget_context_s *cxt = __find_context_by_win(ev->win);
 789
 790         LOGD("configure: %d %d", ev->w, ev->h);
 791
 792         if (!cxt) {
 793                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 794                 return ECORE_CALLBACK_RENEW; /* LCOV_EXCL_LINE */
 795         }
 796
 797         if (cxt->state == WC_PAUSED || cxt->state == WC_RUNNING)
 798                 __instance_resize(cxt->provider, cxt->id, ev->w, ev->h);
 799         LOGD("cxt:%s resized to %dx%d", cxt->id, ev->w, ev->h);
 800
 801         return ECORE_CALLBACK_RENEW;
 802 }
 803
 804 static void __add_climsg()
 805 {
 806         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
 807         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
 808         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
 809         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
 810         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_CONFIGURE, __configure_cb, NULL);
 811 }
 812
 813 static void __get_content(bundle *b)
 814 {
 815         char *instance_id = NULL;
 816         widget_context_s *cxt = NULL;
 817
 818         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
 819         if (!instance_id)
 820                 return;
 821
 822         cxt = __find_context_by_id(instance_id);
 823         if (!cxt) {
 824                 _E("can not find instance id:%s", instance_id);
 825                 return;
 826         }
 827
 828         if (cxt->content) {
 829                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, cxt->content);
 830                 _D("content info of %s found", cxt->id);
 831         } else {
 832                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
 833                 _D("empty content info added");
 834         }
 835 }
 836
 837 static int __aul_handler(aul_type type, bundle *b, void *data)
 838 {
 839         char *caller = NULL;
 840         char *remain = NULL;
 841
 842         switch (type) {
 843         case AUL_START:
 844                 if (b) {
 845                         bundle_get_str(b, WIDGET_K_CALLER, &caller);
 846                         if (caller) {
 847                                 caller_pid = g_ascii_strtoll(caller, &remain,
 848                                                 10);
 849                         } else {
 850                                 /* using caller appid and query pid using caller appid? */
 851                                 _E("no caller pid");
 852                         }
 853                 }
 854
 855                 __control(b);
 856                 break;
 857         case AUL_RESUME:
 858                 __resume_all(UPDATE_ALL);
 859                 break;
 860         case AUL_TERMINATE:
 861                 widget_app_exit();
 862                 break;
 863         case AUL_WIDGET_CONTENT:
 864                 __get_content(b);
 865                 break;
 866         default:
 867                 break;
 868         }
 869
 870         return 0;
 871 }
 872
 873 static char *__get_domain_name(char *appid)
 874 {
 875         char *name_token;
 876
 877         if (appid == NULL) {
 878                 _E("appid is NULL"); /* LCOV_EXCL_LINE */
 879                 return NULL; /* LCOV_EXCL_LINE */
 880         }
 881
 882         name_token = strrchr(appid, '.');
 883
 884         if (name_token == NULL) {
 885                 _E("appid is invalid"); /* LCOV_EXCL_LINE */
 886                 return appid; /* LCOV_EXCL_LINE */
 887         }
 888
 889         name_token++;
 890
 891         return name_token;
 892 }
 893
 894 /* LCOV_EXCL_START */
 895 static void __on_poweroff(keynode_t *key, void *data)
 896 {
 897         int val;
 898
 899         val = vconf_keynode_get_int(key);
 900         switch (val) {
 901         case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
 902         case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
 903                 _I("power off changed: %d", val);
 904                 widget_app_exit();
 905                 break;
 906         case VCONFKEY_SYSMAN_POWER_OFF_NONE:
 907         case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
 908         default:
 909                 /* DO NOTHING */
 910                 break;
 911         }
 912 }
 913 /* LCOV_EXCL_STOP */
 914
 915 extern int _set_i18n(const char *name);
 916
 917 static int __before_loop(int argc, char **argv)
 918 {
 919         int r;
 920         bundle *kb = NULL;
 921         char *name;
 922         char *viewer_endpoint = NULL;
 923
 924 #if !(GLIB_CHECK_VERSION(2, 36, 0))
 925         g_type_init();
 926 #endif
 927
 928         kb = bundle_import_from_argv(argc, argv);
 929         if (kb) {
 930                 bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
 931                 if (viewer_endpoint) {
 932                         _E("viewer endpoint :%s", viewer_endpoint);
 933                         _widget_app_set_viewer_endpoint(viewer_endpoint);
 934                 } else {
 935                         _E("endpoint is missing");
 936                 }
 937
 938                 bundle_free(kb);
 939                 kb = NULL;
 940         } else {
 941                 _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
 942         }
 943
 944         screen_connector_provider_init();
 945         elm_init(argc, argv);
 946
 947         r = aul_launch_init(__aul_handler, NULL);
 948         if (r < 0) {
 949                 /* LCOV_EXCL_START */
 950                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 951                                 __FUNCTION__,
 952                                 "Fail to call the aul_launch_init");
 953                 /* LCOV_EXCL_STOP */
 954         }
 955
 956         r = aul_launch_argv_handler(argc, argv);
 957         if (r < 0) {
 958                 /* LCOV_EXCL_START */
 959                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 960                                 __FUNCTION__,
 961                                 "Fail to call the aul_launch_argv_handler");
 962                 /* LCOV_EXCL_STOP */
 963         }
 964
 965         r = app_get_id(&appid);
 966         if (r != APP_ERROR_NONE)
 967                 return r;
 968
 969         name = __get_domain_name(appid);
 970
 971         if (name == NULL) {
 972                 /* LCOV_EXCL_START */
 973                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 974                                 __FUNCTION__,
 975                                 "Fail to call __get_domain_name");
 976                 /* LCOV_EXCL_STOP */
 977         }
 978
 979         r = _set_i18n(name);
 980
 981         if (r < 0) {
 982                 /* LCOV_EXCL_START */
 983                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 984                                 __FUNCTION__,
 985                                 "Fail to call _set_i18n");
 986                 /* LCOV_EXCL_STOP */
 987         }
 988
 989         __add_climsg();
 990
 991         _widget_core_set_appcore_event_cb();
 992
 993         class_provider = app_ops->create(app_user_data);
 994         if (class_provider == NULL) {
 995                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 996                                 __FUNCTION__, "widget_class is NULL");
 997         }
 998
 999         vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
1000
1001         return WIDGET_ERROR_NONE;
1002 }
1003
1004 static void __after_loop()
1005 {
1006         exit_called = 1;
1007         vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
1008
1009         __pause_all(UPDATE_LOCAL);
1010         __destroy_all(WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1011
1012         if (app_ops->terminate)
1013                 app_ops->terminate(app_user_data);
1014
1015         screen_connector_provider_fini();
1016
1017         _widget_app_free_viewer_endpoint();
1018         _widget_core_unset_appcore_event_cb();
1019         __free_handler_list();
1020
1021         if (package_id) {
1022                 free(package_id);
1023                 package_id = NULL;
1024         }
1025
1026         if (appid) {
1027                 free(appid);
1028                 appid = NULL;
1029         }
1030
1031         elm_shutdown();
1032 }
1033
1034 static void __on_low_memory(keynode_t *key, void *data)
1035 {
1036         int val;
1037
1038         val = vconf_keynode_get_int(key);
1039         if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
1040                 app_event_handler_h handler;
1041                 struct app_event_info event;
1042
1043                 _I("widget_app_low_memory");
1044
1045                 event.type = APP_EVENT_LOW_MEMORY;
1046                 event.value = (void *)&val;
1047
1048                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
1049
1050                 while (iter) {
1051                         handler = (app_event_handler_h) iter->data;
1052                         handler->cb(&event, handler->data);
1053                         iter = g_list_next(iter);
1054                 }
1055         }
1056 }
1057
1058 static void __on_low_battery(keynode_t *key, void *data)
1059 {
1060         int val;
1061
1062         val = vconf_keynode_get_int(key);
1063         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
1064                 app_event_handler_h handler;
1065                 struct app_event_info event;
1066
1067                 _I("widget_app_low_battery");
1068
1069                 event.type = APP_EVENT_LOW_BATTERY;
1070                 event.value = (void *)&val;
1071
1072                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
1073
1074                 while (iter) {
1075                         handler = (app_event_handler_h) iter->data;
1076                         handler->cb(&event, handler->data);
1077                         iter = g_list_next(iter);
1078                 }
1079         }
1080 }
1081
1082 static void __on_lang_changed(keynode_t *key, void *data)
1083 {
1084         char *val;
1085
1086         _update_lang();
1087         val = vconf_keynode_get_str(key);
1088
1089         app_event_handler_h handler;
1090         struct app_event_info event;
1091
1092         _I("widget_app_lang_changed");
1093
1094         event.type = APP_EVENT_LANGUAGE_CHANGED;
1095         event.value = (void *)val;
1096
1097         GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
1098
1099         while (iter) {
1100                 handler = (app_event_handler_h) iter->data;
1101                 handler->cb(&event, handler->data);
1102                 iter = g_list_next(iter);
1103         }
1104 }
1105
1106 static void __on_region_changed(keynode_t *key, void *data)
1107 {
1108         char *val;
1109
1110         _update_region();
1111         val = vconf_keynode_get_str(key);
1112
1113         app_event_handler_h handler;
1114         struct app_event_info event;
1115
1116         _I("widget_app_region_changed");
1117
1118         event.type = APP_EVENT_REGION_FORMAT_CHANGED;
1119         event.value = (void *)val;
1120
1121         GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
1122
1123         while (iter) {
1124                 handler = (app_event_handler_h) iter->data;
1125                 handler->cb(&event, handler->data);
1126                 iter = g_list_next(iter);
1127         }
1128 }
1129
1130 static void __register_event(int event_type)
1131 {
1132         switch (event_type) {
1133         case APP_EVENT_LOW_MEMORY:
1134                 vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1135                 break;
1136
1137         case APP_EVENT_LOW_BATTERY:
1138                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1139                 break;
1140
1141         case APP_EVENT_LANGUAGE_CHANGED:
1142                 vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
1143                 break;
1144
1145         case APP_EVENT_REGION_FORMAT_CHANGED:
1146                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
1147                 break;
1148         }
1149 }
1150
1151 static void __unregister_event(int event_type)
1152 {
1153         switch (event_type) {
1154         case APP_EVENT_LOW_MEMORY:
1155                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1156                 break;
1157
1158         case APP_EVENT_LOW_BATTERY:
1159                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1160                 break;
1161
1162         case APP_EVENT_LANGUAGE_CHANGED:
1163                 vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
1164                 break;
1165
1166         case APP_EVENT_REGION_FORMAT_CHANGED:
1167                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
1168                 break;
1169         }
1170 }
1171
1172 static void _widget_core_set_appcore_event_cb(void)
1173 {
1174         __register_event(APP_EVENT_LANGUAGE_CHANGED);
1175         __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
1176 }
1177
1178 static void _widget_core_unset_appcore_event_cb(void)
1179 {
1180         __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
1181         __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
1182 }
1183
1184 EXPORT_API int widget_app_main(int argc, char **argv,
1185                 widget_app_lifecycle_callback_s *callback, void *user_data)
1186 {
1187         int r;
1188
1189         if (!_is_widget_feature_enabled()) {
1190                 _E("not supported"); /* LCOV_EXCL_LINE */
1191                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1192         }
1193
1194         if (argc <= 0 || argv == NULL || callback == NULL)
1195                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1196                                 __FUNCTION__, NULL);
1197
1198         if (callback->create == NULL)
1199                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1200                                 __FUNCTION__,
1201                                 "widget_app_create_cb() callback must be "
1202                                 "registered");
1203         app_ops = callback;
1204         app_user_data = user_data;
1205         r = __before_loop(argc, argv);
1206         if (r < 0) {
1207                 if (appid) {
1208                         free(appid);
1209                         appid = NULL;
1210                 }
1211                 return r;
1212         }
1213
1214         ecore_main_loop_begin();
1215         aul_status_update(STATUS_DYING);
1216         __after_loop();
1217
1218         return WIDGET_ERROR_NONE;
1219 }
1220
1221 EXPORT_API int widget_app_exit(void)
1222 {
1223         if (!_is_widget_feature_enabled()) {
1224                 _E("not supported"); /* LCOV_EXCL_LINE */
1225                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1226         }
1227
1228         if (exit_called)
1229                 return WIDGET_ERROR_NONE;
1230
1231         exit_called = 1;
1232
1233         ecore_main_loop_quit();
1234
1235         return WIDGET_ERROR_NONE;
1236 }
1237
1238 /* LCOV_EXCL_START */
1239 static gboolean __finish_event_cb(gpointer user_data)
1240 {
1241         if (user_data == NULL)
1242                 return FALSE;
1243
1244         widget_context_s *wc = (widget_context_s *)user_data;
1245
1246         switch (wc->state) {
1247         case WC_READY:
1248                 __instance_resume(wc->provider, wc->id, UPDATE_LOCAL);
1249         case WC_RUNNING:
1250                 __instance_pause(wc->provider, wc->id, UPDATE_LOCAL);
1251         case WC_PAUSED:
1252                 __instance_destroy(wc->provider, wc->id,
1253                                 WIDGET_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1254                 break;
1255         default:
1256                 break;
1257         }
1258
1259         return FALSE;
1260 }
1261 /* LCOV_EXCL_STOP */
1262
1263 EXPORT_API int widget_app_terminate_context(widget_context_h context)
1264 {
1265         if (!_is_widget_feature_enabled()) {
1266                 _E("not supported"); /* LCOV_EXCL_LINE */
1267                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1268         }
1269
1270         if (context == NULL)
1271                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1272                                 __FUNCTION__, NULL);
1273
1274         g_idle_add(__finish_event_cb, context);
1275         return WIDGET_ERROR_NONE;
1276 }
1277
1278 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
1279 {
1280         GList *contexts = _widget_app_get_contexts();
1281         GList *list;
1282         widget_context_s *wc;
1283
1284         if (!_is_widget_feature_enabled()) {
1285                 _E("not supported"); /* LCOV_EXCL_LINE */
1286                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1287         }
1288
1289         if (!cb)
1290                 return WIDGET_ERROR_INVALID_PARAMETER;
1291
1292         list = g_list_first(contexts);
1293
1294         while (list) {
1295                 wc = (widget_context_s *)list->data;
1296                 if (wc) {
1297                         if (!cb(wc, data))
1298                                 break;
1299                 }
1300                 list = list->next;
1301         }
1302
1303         return WIDGET_ERROR_NONE;
1304 }
1305
1306 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
1307                                         app_event_type_e event_type, app_event_cb callback,
1308                                         void *user_data)
1309 {
1310         int r;
1311         bool feature;
1312
1313         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1314         if (r < 0)
1315                 return WIDGET_ERROR_FAULT;
1316
1317         if (!feature)
1318                 return WIDGET_ERROR_NOT_SUPPORTED;
1319
1320         app_event_handler_h handler;
1321
1322         if (event_handler == NULL || callback == NULL)
1323                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1324
1325         if (event_type < APP_EVENT_LOW_MEMORY
1326             || event_type > APP_EVENT_REGION_FORMAT_CHANGED)
1327                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1328
1329         if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
1330                 return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
1331
1332         GList *iter = g_list_first(handler_list[event_type]);
1333
1334         while (iter) {
1335                 handler = (app_event_handler_h) iter->data;
1336
1337                 if (handler->cb == callback)
1338                         return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1339
1340                 iter = g_list_next(iter);
1341         }
1342
1343         handler = calloc(1, sizeof(struct app_event_handler));
1344         if (!handler)
1345                 return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL); /* LCOV_EXCL_LINE */
1346
1347         if (g_list_length(handler_list[event_type]) == 0)
1348                 __register_event(event_type);
1349
1350         handler->type = event_type;
1351         handler->cb = callback;
1352         handler->data = user_data;
1353         handler_list[event_type] = g_list_append(handler_list[event_type], handler);
1354
1355         *event_handler = handler;
1356
1357         return WIDGET_ERROR_NONE;
1358 }
1359
1360 EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
1361                                                 event_handler)
1362 {
1363         int r;
1364         bool feature;
1365
1366         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1367         if (r < 0)
1368                 return WIDGET_ERROR_FAULT;
1369
1370         if (!feature)
1371                 return WIDGET_ERROR_NOT_SUPPORTED;
1372
1373         app_event_type_e type;
1374
1375         if (event_handler == NULL)
1376                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1377
1378         type = event_handler->type;
1379         if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
1380                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1381
1382         handler_list[type] = g_list_remove(handler_list[type], event_handler);
1383         free(event_handler);
1384
1385         if (g_list_length(handler_list[type]) == 0)
1386                 __unregister_event(type);
1387
1388         return WIDGET_ERROR_NONE;
1389 }
1390
1391 EXPORT_API const char *widget_app_get_id(widget_context_h context)
1392 {
1393         if (!_is_widget_feature_enabled()) {
1394                 _E("not supported"); /* LCOV_EXCL_LINE */
1395                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1396                 return NULL; /* LCOV_EXCL_LINE */
1397         }
1398
1399         if (!context) {
1400                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1401                 return NULL;
1402         }
1403
1404         set_last_result(WIDGET_ERROR_NONE);
1405         return context->id;
1406 }
1407
1408 static void _win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
1409 {
1410        /* Remove data used in accessibility */
1411         char *plug_id;
1412         plug_id = evas_object_data_del(obj, "___PLUGID");
1413         free(plug_id);
1414 }
1415
1416 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
1417                                         Evas_Object **win)
1418 {
1419         widget_context_s *cxt = (widget_context_s *)context;
1420         Evas_Object *ret_win;
1421         Ecore_Wl_Window *wl_win;
1422         struct wl_surface *surface;
1423         char buffer[256];
1424         int rots[3] = {0};
1425
1426         if (!_is_widget_feature_enabled()) {
1427                 _E("not supported"); /* LCOV_EXCL_LINE */
1428                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1429         }
1430
1431         if (context == NULL || win == NULL)
1432                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1433                                 __FUNCTION__, NULL);
1434
1435         ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
1436         if (ret_win == NULL) {
1437                 _E("failed to create window"); /* LCOV_EXCL_LINE */
1438                 goto fault; /* LCOV_EXCL_LINE */
1439         }
1440
1441         elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
1442         elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
1443
1444         wl_win = elm_win_wl_window_get(ret_win);
1445         if (wl_win == NULL) {
1446                 _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
1447                 goto fault;
1448         }
1449
1450         surface = ecore_wl_window_surface_get(wl_win);
1451         if (surface == NULL) {
1452                 _E("failed to get surface"); /* LCOV_EXCL_LINE */
1453                 goto fault; /* LCOV_EXCL_LINE */
1454         }
1455         screen_connector_provider_remote_enable(cxt->id, surface);
1456
1457         ecore_wl_window_class_name_set(wl_win, cxt->id);
1458         elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
1459
1460         *win = ret_win;
1461         cxt->win = ret_win;
1462         cxt->win_id = ecore_wl_window_id_get(wl_win);
1463
1464         /* Set data to use in accessibility */
1465         snprintf(buffer, sizeof(buffer), "%s:%d", cxt->id, getpid());
1466         evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
1467         evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, _win_del_cb, NULL);
1468
1469         _D("window created: %d", cxt->win_id);
1470
1471         return WIDGET_ERROR_NONE;
1472
1473 fault:
1474         if (ret_win)    /* LCOV_EXCL_LINE */
1475                 evas_object_del(ret_win); /* LCOV_EXCL_LINE */
1476
1477         return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
1478
1479 }
1480
1481 widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
1482                 widget_instance_lifecycle_callback_s callback, void *user_data)
1483 {
1484         widget_class_s *wc;
1485
1486         if (!_is_widget_feature_enabled()) {
1487                 _E("not supported"); /* LCOV_EXCL_LINE */
1488                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1489                 return NULL;
1490         }
1491
1492         if (class_id == NULL) {
1493                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1494                 return NULL;
1495         }
1496
1497         wc = (widget_class_s *)calloc(1, sizeof(widget_class_s));
1498         if (wc == NULL) {
1499                 _E("failed to calloc : %s", __FUNCTION__); /* LCOV_EXCL_LINE */
1500                 set_last_result(WIDGET_ERROR_OUT_OF_MEMORY); /* LCOV_EXCL_LINE */
1501                 return NULL; /* LCOV_EXCL_LINE */
1502         }
1503
1504         wc->classid = strdup(class_id);
1505         wc->user_data = user_data;
1506         wc->ops = callback;
1507         wc->next = prev;
1508         wc->prev = NULL;
1509
1510         set_last_result(WIDGET_ERROR_NONE);
1511
1512         if (prev)
1513                 prev->prev = wc;
1514
1515         return wc;
1516 }
1517
1518 EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
1519                 const char *class_id,
1520                 widget_instance_lifecycle_callback_s callback, void *user_data)
1521 {
1522         return _widget_class_create(widget_class, class_id, callback,
1523                         user_data);
1524 }
1525
1526 EXPORT_API widget_class_h widget_app_class_create(
1527                 widget_instance_lifecycle_callback_s callback, void *user_data)
1528 {
1529         return _widget_class_create(class_provider, appid, callback, user_data);
1530 }
1531
1532 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
1533 {
1534         if (!_is_widget_feature_enabled()) {
1535                 _E("not supported"); /* LCOV_EXCL_LINE */
1536                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1537         }
1538
1539         if (context == NULL)
1540                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1541                                 __FUNCTION__, NULL);
1542
1543         context->tag = tag;
1544
1545         return WIDGET_ERROR_NONE;
1546 }
1547
1548 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
1549 {
1550         if (!_is_widget_feature_enabled()) {
1551                 _E("not supported"); /* LCOV_EXCL_LINE */
1552                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1553         }
1554
1555         if (context == NULL || tag == NULL)
1556                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1557                                 __FUNCTION__, NULL);
1558
1559         *tag = context->tag;
1560
1561         return WIDGET_ERROR_NONE;
1562 }
1563
1564 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
1565                 bundle *content_info)
1566 {
1567         const char *class_id = NULL;
1568         int ret = 0;
1569         bundle_raw *raw = NULL;
1570         int len;
1571
1572         if (!_is_widget_feature_enabled()) {
1573                 _E("not supported"); /* LCOV_EXCL_LINE */
1574                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1575         }
1576
1577         if (context == NULL || content_info == NULL)
1578                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1579                                 __FUNCTION__, NULL);
1580
1581         if (context->provider == NULL)
1582                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1583                                 __FUNCTION__, NULL);
1584
1585         class_id = context->provider->classid;
1586         if (class_id == NULL)
1587                 return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
1588
1589         ret = __send_update_status(class_id, context->id,
1590                         WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
1591
1592         if (context->content)
1593                 free(context->content);
1594
1595         bundle_encode(content_info, &raw, &len);
1596         if (raw)
1597                 context->content = strdup((const char *)raw);
1598         else
1599                 context->content = NULL;
1600
1601         free(raw);
1602         if (ret < 0) {
1603                 /* LCOV_EXCL_START */
1604                 _E("failed to send content info: %s of %s (%d)", context->id,
1605                                 class_id, ret);
1606                 return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
1607                                 NULL);
1608                 /* LCOV_EXCL_STOP */
1609         }
1610
1611         return WIDGET_ERROR_NONE;
1612 }
1613
1614 EXPORT_API int widget_app_context_set_title(widget_context_h context,
1615                 const char *title)
1616 {
1617         if (!_is_widget_feature_enabled()) {
1618                 _E("not supported"); /* LCOV_EXCL_LINE */
1619                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1620         }
1621
1622         if (!context || !title)
1623                 return WIDGET_ERROR_INVALID_PARAMETER;
1624
1625         if (context->win)
1626                 elm_win_title_set(context->win, title);
1627
1628         return WIDGET_ERROR_NONE;
1629 }