src/widget_app.c

   1 /*
   2  * Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <stdlib.h>
  19 #include <stdbool.h>
  20
  21 #include <bundle.h>
  22 #include <bundle_internal.h>
  23 #include <aul.h>
  24 #include <dlog.h>
  25 #include <glib.h>
  26 #include <glib-object.h>
  27 #include <stdlib.h>
  28 #include <app_control.h>
  29 #include <app_control_internal.h>
  30 #include <Elementary.h>
  31 #include <widget_errno.h>
  32 #include <widget_instance.h>
  33 #include <widget_service.h>
  34 #include <widget_service_internal.h>
  35 #include <aul_app_com.h>
  36 #include <Ecore_Wayland.h>
  37 #include <system_info.h>
  38 #include <vconf.h>
  39 #include <vconf-internal-keys.h>
  40 #include <screen_connector_provider.h>
  41
  42 #include "widget_app.h"
  43 #include "widget-log.h"
  44 #include "widget-private.h"
  45 #include "widget_app_internal.h"
  46
  47 #ifdef LOG_TAG
  48 #undef LOG_TAG
  49 #endif
  50
  51 #define STR_MAX_BUF 128
  52 #define LOG_TAG "CAPI_WIDGET_APPLICATION"
  53 #define K_REASON    "__WC_K_REASON__"
  54 #define APP_TYPE_WIDGET "widgetapp"
  55 #define STATUS_FOREGROUND "fg"
  56 #define STATUS_BACKGROUND "bg"
  57
  58 typedef enum _widget_obj_state_e {
  59         WC_READY = 0,
  60         WC_RUNNING = 1,
  61         WC_PAUSED = 2,
  62         WC_TERMINATED = 3
  63 } widget_obj_state_e;
  64
  65 enum {
  66         UPDATE_LOCAL = 0,
  67         UPDATE_ALL = 1,
  68 };
  69
  70 struct app_event_handler {
  71         app_event_type_e type;
  72         app_event_cb cb;
  73         void *data;
  74 };
  75
  76 struct app_event_info {
  77         app_event_type_e type;
  78         void *value;
  79 };
  80
  81 typedef struct _widget_class widget_class_s;
  82
  83 #define WIDGET_APP_EVENT_MAX 5
  84 static GList *handler_list[WIDGET_APP_EVENT_MAX] = {NULL, };
  85
  86 static int caller_pid;
  87 static widget_app_lifecycle_callback_s *app_ops;
  88 static void *app_user_data;
  89 static char *appid;
  90 static widget_class_h class_provider;
  91 static int exit_called;
  92 static char *package_id;
  93 static bool fg_signal;
  94
  95 static void _widget_core_set_appcore_event_cb(void);
  96 static void _widget_core_unset_appcore_event_cb(void);
  97
  98 static void __free_handler_cb(gpointer data)
  99 {
 100         if (data)
 101                 free(data);
 102 }
 103
 104 static void __free_handler_list(void)
 105 {
 106         int i;
 107
 108         for (i = 0; i < WIDGET_APP_EVENT_MAX; i++) {
 109                 g_list_free_full(handler_list[i], __free_handler_cb);
 110                 handler_list[i] = NULL;
 111         }
 112 }
 113
 114 static inline bool _is_widget_feature_enabled(void)
 115 {
 116         static bool feature = false;
 117         static bool retrieved = false;
 118         int ret;
 119
 120         if (retrieved == true)
 121                 return feature;
 122
 123         ret = system_info_get_platform_bool(
 124                         "http://tizen.org/feature/shell.appwidget", &feature);
 125         if (ret != SYSTEM_INFO_ERROR_NONE) {
 126                 _E("failed to get system info"); /* LCOV_EXCL_LINE */
 127                 return false; /* LCOV_EXCL_LINE */
 128         }
 129
 130         retrieved = true;
 131
 132         return feature;
 133 }
 134
 135 static gint __comp_by_id(gconstpointer a, gconstpointer b)
 136 {
 137         widget_context_s *wc = (widget_context_s *)a;
 138
 139         return strcmp(wc->id, (const char *)b);
 140 }
 141
 142 static widget_context_s *__find_context_by_id(const char *id)
 143 {
 144         GList *ret;
 145         GList *contexts = _widget_app_get_contexts();
 146
 147         if (id == NULL)
 148                 return NULL;
 149
 150         ret = g_list_find_custom(contexts, id, __comp_by_id);
 151         if (ret == NULL)
 152                 return NULL;
 153
 154         return ret->data;
 155 }
 156
 157 static gint __comp_by_state(gconstpointer a, gconstpointer b)
 158 {
 159         widget_context_s *wc = (widget_context_s *)a;
 160
 161         if (wc->state == (widget_obj_state_e)GPOINTER_TO_INT(b))
 162                 return 0;
 163
 164         return -1;
 165 }
 166
 167 static widget_context_s *__find_context_by_state(widget_obj_state_e state)
 168 {
 169         GList *ret;
 170         GList *contexts = _widget_app_get_contexts();
 171
 172         ret = g_list_find_custom(contexts, GINT_TO_POINTER((int)state), __comp_by_state);
 173         if (ret == NULL)
 174                 return NULL;
 175
 176         return ret->data;
 177 }
 178
 179 static gint __comp_by_win(gconstpointer a, gconstpointer b)
 180 {
 181         int win = GPOINTER_TO_INT(b);
 182         widget_context_s *wc = (widget_context_s *)a;
 183
 184         return (wc && wc->win_id == win) ? 0 : -1;
 185 }
 186
 187 static widget_context_s *__find_context_by_win(int win)
 188 {
 189         GList *contexts = _widget_app_get_contexts();
 190         GList *ret = g_list_find_custom(contexts, GINT_TO_POINTER(win), __comp_by_win);
 191
 192         if (ret == NULL)
 193                 return NULL;
 194
 195         return ret->data;
 196 }
 197
 198 static int __send_lifecycle_event(const char *class_id, const char *instance_id,
 199         int status)
 200 {
 201         bundle *b = bundle_create();
 202         char pkgid[256] = {0, };
 203         int ret;
 204
 205         if (b == NULL) {
 206                 _E("out of memory"); /* LCOV_EXCL_LINE */
 207                 return -1; /* LCOV_EXCL_LINE */
 208         }
 209
 210         if (package_id == NULL) {
 211                 ret = aul_app_get_pkgid_bypid(getpid(), pkgid, sizeof(pkgid));
 212                 if (ret == 0)
 213                         package_id = strdup(pkgid);
 214         }
 215
 216         bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
 217         bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
 218         bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
 219         if (package_id)
 220                 bundle_add_str(b, AUL_K_PKGID, package_id);
 221
 222         _D("send lifecycle %s(%d)", instance_id, status);
 223         ret = aul_app_com_send("widget.status", b);
 224         if (ret < 0)
 225                 _E("send lifecycle error:%d", ret); /* LCOV_EXCL_LINE */
 226
 227         bundle_free(b);
 228
 229         return ret;
 230 }
 231
 232 static int __send_update_status(const char *class_id, const char *instance_id,
 233         int status, bundle *extra)
 234 {
 235         bundle *b;
 236         int lifecycle = -1;
 237         bundle_raw *raw = NULL;
 238         int len;
 239         char *viewer_endpoint = _widget_app_get_viewer_endpoint();
 240
 241         b = bundle_create();
 242         if (!b) {
 243                 _E("out of memory"); /* LCOV_EXCL_LINE */
 244                 return -1; /* LCOV_EXCL_LINE */
 245         }
 246
 247         bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
 248         bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
 249         bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
 250
 251         if (extra) {
 252                 bundle_encode(extra, &raw, &len);
 253                 bundle_add_str(b, WIDGET_K_CONTENT_INFO, (const char *)raw);
 254                 aul_widget_instance_add(class_id, instance_id);
 255         }
 256
 257         _D("send update %s(%d) to %s", instance_id, status, viewer_endpoint);
 258         aul_app_com_send(viewer_endpoint, b);
 259
 260         switch (status) {
 261         case WIDGET_INSTANCE_EVENT_CREATE:
 262                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_CREATE;
 263                 break;
 264         case WIDGET_INSTANCE_EVENT_DESTROY:
 265                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_DESTROY;
 266                 break;
 267         case WIDGET_INSTANCE_EVENT_PAUSE:
 268                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_PAUSE;
 269                 break;
 270         case WIDGET_INSTANCE_EVENT_RESUME:
 271                 lifecycle = WIDGET_LIFE_CYCLE_EVENT_RESUME;
 272                 break;
 273         }
 274
 275         if (lifecycle > -1)
 276                 __send_lifecycle_event(class_id, instance_id, lifecycle);
 277
 278         bundle_free(b);
 279         if (raw)
 280                 free(raw);
 281
 282         return 0;
 283 }
 284
 285 static int __instance_resume(widget_class_h handle, const char *id, int send_update)
 286 {
 287         widget_context_s *wc = __find_context_by_id(id);
 288         int ret;
 289
 290         if (!wc) {
 291                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 292                 return -1; /* LCOV_EXCL_LINE */
 293         }
 294
 295         if (wc->state == WC_RUNNING) {
 296                 _D("%s is already in running state", id); /* LCOV_EXCL_LINE */
 297                 return 0; /* LCOV_EXCL_LINE */
 298         }
 299
 300         if (wc->state == WC_TERMINATED) {
 301                 _D("%s is in terminated state", id); /* LCOV_EXCL_LINE */
 302                 return 0; /* LCOV_EXCL_LINE */
 303         }
 304
 305         if (handle->ops.resume)
 306                 handle->ops.resume(wc, handle->user_data);
 307
 308         wc->state = WC_RUNNING;
 309         _D("%s is resumed", id);
 310         if (send_update) {
 311                 ret = __send_update_status(handle->classid, wc->id,
 312                         WIDGET_INSTANCE_EVENT_RESUME, NULL);
 313                 if (!fg_signal) {
 314                         _D("Send fg signal to resourceD");
 315                         aul_send_app_status_change_signal(getpid(),
 316                                         appid,
 317                                         package_id,
 318                                         STATUS_FOREGROUND,
 319                                         APP_TYPE_WIDGET);
 320                         fg_signal = true;
 321                 }
 322         } else {
 323                 ret = 0;
 324         }
 325
 326         return ret;
 327 }
 328
 329 static int __instance_pause(widget_class_h handle, const char *id, int send_update)
 330 {
 331         widget_context_s *wc = __find_context_by_id(id);
 332         int ret;
 333
 334         if (!wc) {
 335                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 336                 return -1; /* LCOV_EXCL_LINE */
 337         }
 338
 339         if (wc->state == WC_PAUSED) {
 340                 _D("%s is already in paused state", id); /* LCOV_EXCL_LINE */
 341                 return 0; /* LCOV_EXCL_LINE */
 342         }
 343
 344         if (wc->state == WC_TERMINATED) {
 345                 _D("%s is in terminated state", id); /* LCOV_EXCL_LINE */
 346                 return 0; /* LCOV_EXCL_LINE */
 347         }
 348
 349         if (handle->ops.pause)
 350                 handle->ops.pause(wc, handle->user_data);
 351
 352         wc->state = WC_PAUSED;
 353         _D("%s is paused", id);
 354         if (send_update) {
 355                 ret = __send_update_status(handle->classid, wc->id,
 356                         WIDGET_INSTANCE_EVENT_PAUSE, NULL);
 357                 wc = __find_context_by_state(WC_RUNNING);
 358                 if (!wc && fg_signal) {
 359                         _D("Send bg signal to resourceD");
 360                         aul_send_app_status_change_signal(getpid(),
 361                                         appid,
 362                                         package_id,
 363                                         STATUS_BACKGROUND,
 364                                         APP_TYPE_WIDGET);
 365                         fg_signal = false;
 366                 }
 367         } else {
 368                 ret = 0;
 369         }
 370
 371         return ret;
 372 }
 373
 374 static int __instance_resize(widget_class_h handle, const char *id, int w, int h)
 375 {
 376         widget_context_s *wc = __find_context_by_id(id);
 377         int ret;
 378
 379         if (!wc) {
 380                 _E("context not found: %s", id); /* LCOV_EXCL_LINE */
 381                 return -1; /* LCOV_EXCL_LINE */
 382         }
 383
 384         if (handle->ops.resize)
 385                 handle->ops.resize(wc, w, h, handle->user_data);
 386
 387         _D("%s is resized to %dx%d", id, w, h);
 388         ret = __send_update_status(handle->classid, wc->id,
 389                 WIDGET_INSTANCE_EVENT_SIZE_CHANGED, NULL);
 390
 391         return ret;
 392 }
 393
 394 /* LCOV_EXCL_START */
 395 static int __instance_update_all(widget_class_h handle, int force, const char *content)
 396 {
 397         widget_context_s *wc;
 398         int ret = 0;
 399         bundle *b = NULL;
 400         GList *context = _widget_app_get_contexts();
 401
 402         if (content)
 403                 b = bundle_decode((const bundle_raw *)content, strlen(content));
 404
 405         if (handle->ops.update) {
 406                 while (context) {
 407                         wc = (widget_context_s *)context->data;
 408                         handle->ops.update(wc, b, force, handle->user_data);
 409                         ret = __send_update_status(handle->classid, wc->id,
 410                                 WIDGET_INSTANCE_EVENT_UPDATE, NULL);
 411                         _D("updated:%s", wc->id);
 412                         context = context->next;
 413                 }
 414         }
 415
 416         if (b)
 417                 bundle_free(b);
 418
 419         return ret;
 420 }
 421 /* LCOV_EXCL_STOP */
 422
 423 /* LCOV_EXCL_START */
 424 static int __instance_update(widget_class_h handle, const char *id, int force, const char *content)
 425 {
 426         widget_context_s *wc = __find_context_by_id(id);
 427         int ret = 0;
 428         bundle *b = NULL;
 429         if (!wc) {
 430                 _E("context not found: %s", id);
 431                 return -1;
 432         }
 433
 434         if (content)
 435                 b = bundle_decode((const bundle_raw *)content, strlen(content));
 436
 437         if (handle->ops.update) {
 438                 handle->ops.update(wc, b, force, handle->user_data);
 439                 ret = __send_update_status(handle->classid, wc->id,
 440                         WIDGET_INSTANCE_EVENT_UPDATE, NULL);
 441                 _D("updated:%s", id);
 442         }
 443
 444         if (b)
 445                 bundle_free(b);
 446
 447         return ret;
 448 }
 449 /* LCOV_EXCL_STOP */
 450
 451 static int __instance_create(widget_class_h handle, const char *id, const char *content, int w, int h)
 452 {
 453         widget_context_s *wc = NULL;
 454         int ret = 0;
 455         bundle *content_info = NULL;
 456
 457         wc = (widget_context_s *)calloc(1, sizeof(widget_context_s));
 458         if (!wc) {
 459                 _E("Out of memory");
 460                 return WIDGET_ERROR_OUT_OF_MEMORY;
 461         }
 462
 463         wc->state = WC_READY;
 464         wc->id = strdup(id);
 465         wc->provider = handle;
 466         wc->win = NULL;
 467         wc->win_id = -1;
 468
 469         if (content) {
 470                 wc->content = strdup(content);
 471                 content_info = bundle_decode((const bundle_raw *)content, strlen(content));
 472         }
 473
 474         _widget_app_add_context(wc);
 475
 476         ret = handle->ops.create(wc, content_info, w, h, handle->user_data);
 477         if (ret < 0) {
 478                 _W("Create callback resturns error(%d)", ret);
 479                 ret = __send_update_status(handle->classid, wc->id,
 480                                 WIDGET_INSTANCE_EVENT_CREATE_ABORTED, NULL);
 481                 _widget_app_remove_context(wc);
 482                 if (wc->id)
 483                         free(wc->id);
 484                 if (wc->content)
 485                         free(wc->content);
 486                 free(wc);
 487
 488                 if (_widget_app_get_contexts() == NULL && !exit_called)
 489                         widget_app_exit();
 490         } else {
 491                 ret = __send_update_status(handle->classid, wc->id,
 492                         WIDGET_INSTANCE_EVENT_CREATE, NULL);
 493
 494                 if (content == NULL)
 495                         content = "NULL";
 496
 497                 aul_widget_instance_add(handle->classid, id);
 498         }
 499
 500         if (content_info)
 501                 bundle_free(content_info);
 502
 503         return ret;
 504 }
 505
 506 static int __instance_destroy(widget_class_h handle, const char *id,
 507                 widget_app_destroy_type_e reason, int send_update)
 508 {
 509         widget_context_s *wc = __find_context_by_id(id);
 510         int ret = 0;
 511         int event = WIDGET_INSTANCE_EVENT_TERMINATE;
 512         bundle *content_info;
 513
 514         if (!wc) {
 515                 _E("could not find widget obj: %s, clear amd info", id);        /* LCOV_EXCL_LINE */
 516                 aul_widget_instance_del(handle->classid, id);                   /* LCOV_EXCL_LINE */
 517                 return WIDGET_ERROR_NONE;                                       /* LCOV_EXCL_LINE */
 518         }
 519
 520         wc->state = WC_TERMINATED;
 521         if (wc->content)
 522                 content_info = bundle_decode((const bundle_raw *)wc->content, strlen(wc->content));
 523         else
 524                 content_info = bundle_create();
 525
 526         handle->ops.destroy(wc, reason, content_info,
 527                         handle->user_data);
 528
 529         if (reason == WIDGET_APP_DESTROY_TYPE_PERMANENT) {
 530                 event = WIDGET_INSTANCE_EVENT_DESTROY;
 531                 aul_widget_instance_del(handle->classid, id);
 532         } else {
 533                 ret = __send_update_status(handle->classid, id,
 534                                 WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
 535         }
 536
 537         if (content_info)
 538                 bundle_free(content_info);
 539
 540         ret = __send_update_status(handle->classid, id, event, NULL);
 541
 542         _widget_app_remove_context(wc);
 543
 544         if (wc->id)
 545                 free(wc->id);
 546
 547         if (wc->content)
 548                 free(wc->content);
 549
 550         free(wc);
 551
 552         if (_widget_app_get_contexts() == NULL && !exit_called) /* all instance destroyed */
 553                 widget_app_exit();
 554
 555         return ret;
 556 }
 557
 558 static widget_class_h __find_class_handler(const char *class_id,
 559                 widget_class_h handle)
 560 {
 561         if (!class_id || !handle)
 562                 return NULL;
 563
 564         widget_class_h head = handle;
 565
 566         while (head) {
 567                 if (head->classid && strcmp(head->classid, class_id) == 0)
 568                         return head;
 569
 570                 head = head->next;
 571         }
 572
 573         return NULL;
 574 }
 575
 576 /* LCOV_EXCL_START */
 577 static void __resize_window(char *id, int w, int h)
 578 {
 579         widget_context_s *wc = __find_context_by_id(id);
 580
 581         if (!wc) {
 582                 _E("can not find instance: %s", id);
 583                 return;
 584         }
 585
 586         if (wc->win)
 587                 evas_object_resize(wc->win, w, h);
 588         else
 589                 _E("unable to find window of %d", wc->id);
 590 }
 591 /* LCOV_EXCL_STOP */
 592
 593 static void __control(bundle *b)
 594 {
 595         char *class_id = NULL;
 596         char *id = NULL;
 597         char *operation = NULL;
 598         char *content = NULL;
 599         char *w_str = NULL;
 600         char *h_str = NULL;
 601         int w = 0;
 602         int h = 0;
 603         char *remain = NULL;
 604         int force;
 605         char *force_str = NULL;
 606         widget_class_h handle = NULL;
 607
 608         bundle_get_str(b, WIDGET_K_CLASS, &class_id);
 609         /* for previous version compatibility, use appid for default class id */
 610         if (class_id == NULL)
 611                 class_id = appid;
 612
 613         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
 614         bundle_get_str(b, WIDGET_K_OPERATION, &operation);
 615
 616         handle = __find_class_handler(class_id, class_provider);
 617         if (!handle) {
 618                 _E("no handle provided: %s", class_id); /* LCOV_EXCL_LINE */
 619                 goto error;
 620         }
 621
 622         if (!operation) {
 623                 _E("no operation provided");
 624                 goto error;
 625         }
 626
 627         bundle_get_str(b, WIDGET_K_FORCE, &force_str);
 628
 629         if (force_str && strcmp(force_str, "true") == 0)
 630                 force = 1;
 631         else
 632                 force = 0;
 633
 634         bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
 635         bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
 636         bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
 637         if (w_str)
 638                 w = (int)g_ascii_strtoll(w_str, &remain, 10);
 639
 640         if (h_str)
 641                 h = (int)g_ascii_strtoll(h_str, &remain, 10);
 642
 643         if (strcmp(operation, "create") == 0) {
 644                 __instance_create(handle, id, content, w, h);
 645         } else if (strcmp(operation, "resize") == 0) {
 646                 __resize_window(id, w, h);
 647         } else if (strcmp(operation, "update") == 0) {
 648                 if (id)
 649                         __instance_update(handle, id, force, content);
 650                 else
 651                         __instance_update_all(handle, force, content);
 652
 653         } else if (strcmp(operation, "destroy") == 0) {
 654                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_PERMANENT, UPDATE_ALL);
 655         } else if (strcmp(operation, "resume") == 0) {
 656                 __instance_resume(handle, id, UPDATE_ALL);
 657         } else if (strcmp(operation, "pause") == 0) {
 658                 __instance_pause(handle, id, UPDATE_ALL);
 659         } else if (strcmp(operation, "terminate") == 0) {
 660                 __instance_destroy(handle, id, WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
 661         }
 662
 663         return;
 664 error:
 665         LOGD("error on control");
 666         return;
 667 }
 668
 669 static void __pause_all(int send_update)
 670 {
 671         GList *contexts = _widget_app_get_contexts();
 672         GList *iter = g_list_first(contexts);
 673
 674         while (iter != NULL) {
 675                 widget_context_s *cxt = (widget_context_s *)iter->data;
 676
 677                 switch (cxt->state) {
 678                 case WC_READY:
 679                         __instance_resume(cxt->provider, cxt->id, send_update);
 680                         __instance_pause(cxt->provider, cxt->id, send_update);
 681                         break;
 682                 case WC_RUNNING:
 683                         __instance_pause(cxt->provider, cxt->id, send_update);
 684                         break;
 685                 }
 686                 LOGD("pause %s", cxt->id);
 687                 iter = g_list_next(iter);
 688         }
 689 }
 690
 691 /* LCOV_EXCL_START */
 692 static void __resume_all(int send_update)
 693 {
 694         GList *contexts = _widget_app_get_contexts();
 695         GList *iter = g_list_first(contexts);
 696
 697         while (iter != NULL) {
 698                 widget_context_s *cxt = (widget_context_s *)iter->data;
 699
 700                 switch (cxt->state) {
 701                 case WC_READY:
 702                         __instance_resume(cxt->provider, cxt->id, send_update);
 703                         break;
 704                 case WC_PAUSED:
 705                         __instance_resume(cxt->provider, cxt->id, send_update);
 706                         break;
 707                 }
 708                 iter = g_list_next(iter);
 709         }
 710 }
 711 /* LCOV_EXCL_STOP */
 712
 713 static void __destroy_all(int reason, int send_update)
 714 {
 715         GList *contexts = _widget_app_get_contexts();
 716         GList *iter = g_list_first(contexts);
 717
 718         __pause_all(send_update);
 719         while (iter != NULL) {
 720                 widget_context_s *cxt = (widget_context_s *)iter->data;
 721                 iter = g_list_next(iter);
 722                 switch (cxt->state) {
 723                 case WC_PAUSED:
 724                         LOGD("destroy %d : %s", cxt->state, cxt->id);
 725                         __instance_destroy(cxt->provider, cxt->id, reason, send_update);
 726                         break;
 727                 }
 728         }
 729 }
 730
 731
 732 static Eina_Bool __show_cb(void *data, int type, void *event)
 733 {
 734         Ecore_Wl_Event_Window_Show *ev = event;
 735         widget_context_s *cxt = __find_context_by_win(ev->win);
 736
 737         LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
 738
 739         if (cxt)
 740                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 741         else
 742                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 743
 744         return ECORE_CALLBACK_RENEW;
 745 }
 746
 747 static Eina_Bool __hide_cb(void *data, int type, void *event)
 748 {
 749         Ecore_Wl_Event_Window_Hide *ev = event;
 750         widget_context_s *cxt = __find_context_by_win(ev->win);
 751
 752
 753         LOGD("hide %d", (unsigned int)ev->win);
 754
 755         if (cxt)
 756                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 757         else
 758                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 759
 760         return ECORE_CALLBACK_RENEW;
 761 }
 762
 763 static Eina_Bool __visibility_cb(void *data, int type, void *event)
 764 {
 765         Ecore_Wl_Event_Window_Visibility_Change *ev = event;
 766         widget_context_s *cxt = __find_context_by_win(ev->win);
 767
 768         LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
 769
 770         if (!cxt) {
 771                 LOGE("unknown window error: %d", ev->win);
 772                 return ECORE_CALLBACK_RENEW;
 773         }
 774
 775         if (cxt->state == WC_PAUSED && ev->fully_obscured == 0) {
 776                 __instance_resume(cxt->provider, cxt->id, UPDATE_ALL);
 777         } else if (cxt->state == WC_RUNNING && ev->fully_obscured == 1) {
 778                 __instance_pause(cxt->provider, cxt->id, UPDATE_ALL);
 779         } else {
 780                 LOGD("cxt:%s state:%d obscured:%d", cxt->id, cxt->state, ev->fully_obscured);
 781         }
 782
 783         return ECORE_CALLBACK_RENEW;
 784 }
 785
 786 /* LCOV_EXCL_START */
 787 static Eina_Bool __lower_cb(void *data, int type, void *event)
 788 {
 789         LOGD("lower");
 790         return ECORE_CALLBACK_RENEW;
 791 }
 792 /* LCOV_EXCL_STOP */
 793
 794 static Eina_Bool __configure_cb(void *data, int type, void *event)
 795 {
 796         Ecore_Wl_Event_Window_Configure *ev = event;
 797         widget_context_s *cxt = __find_context_by_win(ev->win);
 798
 799         LOGD("configure: %d %d", ev->w, ev->h);
 800
 801         if (!cxt) {
 802                 LOGE("unknown window error: %d", ev->win); /* LCOV_EXCL_LINE */
 803                 return ECORE_CALLBACK_RENEW; /* LCOV_EXCL_LINE */
 804         }
 805
 806         if (cxt->state == WC_PAUSED || cxt->state == WC_RUNNING)
 807                 __instance_resize(cxt->provider, cxt->id, ev->w, ev->h);
 808         LOGD("cxt:%s resized to %dx%d", cxt->id, ev->w, ev->h);
 809
 810         return ECORE_CALLBACK_RENEW;
 811 }
 812
 813 static void __add_climsg()
 814 {
 815         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
 816         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
 817         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
 818         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
 819         ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_CONFIGURE, __configure_cb, NULL);
 820 }
 821
 822 static void __get_content(bundle *b)
 823 {
 824         char *instance_id = NULL;
 825         widget_context_s *cxt = NULL;
 826
 827         bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
 828         if (!instance_id)
 829                 return;
 830
 831         cxt = __find_context_by_id(instance_id);
 832         if (!cxt) {
 833                 _E("can not find instance id:%s", instance_id);
 834                 return;
 835         }
 836
 837         if (cxt->content) {
 838                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, cxt->content);
 839                 _D("content info of %s found", cxt->id);
 840         } else {
 841                 bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
 842                 _D("empty content info added");
 843         }
 844 }
 845
 846 static int __aul_handler(aul_type type, bundle *b, void *data)
 847 {
 848         char *caller = NULL;
 849         char *remain = NULL;
 850
 851         switch (type) {
 852         case AUL_START:
 853                 if (b) {
 854                         bundle_get_str(b, WIDGET_K_CALLER, &caller);
 855                         if (caller) {
 856                                 caller_pid = g_ascii_strtoll(caller, &remain,
 857                                                 10);
 858                         } else {
 859                                 /* using caller appid and query pid using caller appid? */
 860                                 _E("no caller pid");
 861                         }
 862                 }
 863
 864                 __control(b);
 865                 break;
 866         case AUL_RESUME:
 867                 __resume_all(UPDATE_ALL);
 868                 break;
 869         case AUL_TERMINATE:
 870                 widget_app_exit();
 871                 break;
 872         case AUL_WIDGET_CONTENT:
 873                 __get_content(b);
 874                 break;
 875         default:
 876                 break;
 877         }
 878
 879         return 0;
 880 }
 881
 882 static char *__get_domain_name(char *appid)
 883 {
 884         char *name_token;
 885
 886         if (appid == NULL) {
 887                 _E("appid is NULL"); /* LCOV_EXCL_LINE */
 888                 return NULL; /* LCOV_EXCL_LINE */
 889         }
 890
 891         name_token = strrchr(appid, '.');
 892
 893         if (name_token == NULL) {
 894                 _E("appid is invalid"); /* LCOV_EXCL_LINE */
 895                 return appid; /* LCOV_EXCL_LINE */
 896         }
 897
 898         name_token++;
 899
 900         return name_token;
 901 }
 902
 903 /* LCOV_EXCL_START */
 904 static void __on_poweroff(keynode_t *key, void *data)
 905 {
 906         int val;
 907
 908         val = vconf_keynode_get_int(key);
 909         switch (val) {
 910         case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
 911         case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
 912                 _I("power off changed: %d", val);
 913                 widget_app_exit();
 914                 break;
 915         case VCONFKEY_SYSMAN_POWER_OFF_NONE:
 916         case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
 917         default:
 918                 /* DO NOTHING */
 919                 break;
 920         }
 921 }
 922 /* LCOV_EXCL_STOP */
 923
 924 extern int _set_i18n(const char *name);
 925
 926 static int __before_loop(int argc, char **argv)
 927 {
 928         int r;
 929         bundle *kb = NULL;
 930         char *name;
 931         char *viewer_endpoint = NULL;
 932
 933 #if !(GLIB_CHECK_VERSION(2, 36, 0))
 934         g_type_init();
 935 #endif
 936
 937         kb = bundle_import_from_argv(argc, argv);
 938         if (kb) {
 939                 bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
 940                 if (viewer_endpoint) {
 941                         _E("viewer endpoint :%s", viewer_endpoint);
 942                         _widget_app_set_viewer_endpoint(viewer_endpoint);
 943                 } else {
 944                         _E("endpoint is missing");
 945                 }
 946
 947                 bundle_free(kb);
 948                 kb = NULL;
 949         } else {
 950                 _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
 951         }
 952
 953         screen_connector_provider_init();
 954         elm_init(argc, argv);
 955
 956         r = aul_launch_init(__aul_handler, NULL);
 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_init");
 962                 /* LCOV_EXCL_STOP */
 963         }
 964
 965         r = aul_launch_argv_handler(argc, argv);
 966         if (r < 0) {
 967                 /* LCOV_EXCL_START */
 968                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 969                                 __FUNCTION__,
 970                                 "Fail to call the aul_launch_argv_handler");
 971                 /* LCOV_EXCL_STOP */
 972         }
 973
 974         r = app_get_id(&appid);
 975         if (r != APP_ERROR_NONE)
 976                 return r;
 977
 978         name = __get_domain_name(appid);
 979
 980         if (name == NULL) {
 981                 /* LCOV_EXCL_START */
 982                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 983                                 __FUNCTION__,
 984                                 "Fail to call __get_domain_name");
 985                 /* LCOV_EXCL_STOP */
 986         }
 987
 988         r = _set_i18n(name);
 989
 990         if (r < 0) {
 991                 /* LCOV_EXCL_START */
 992                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
 993                                 __FUNCTION__,
 994                                 "Fail to call _set_i18n");
 995                 /* LCOV_EXCL_STOP */
 996         }
 997
 998         __add_climsg();
 999
1000         _widget_core_set_appcore_event_cb();
1001
1002         class_provider = app_ops->create(app_user_data);
1003         if (class_provider == NULL) {
1004                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1005                                 __FUNCTION__, "widget_class is NULL");
1006         }
1007
1008         vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
1009
1010         return WIDGET_ERROR_NONE;
1011 }
1012
1013 static void __after_loop()
1014 {
1015         exit_called = 1;
1016         vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
1017
1018         __pause_all(UPDATE_LOCAL);
1019         __destroy_all(WIDGET_APP_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1020
1021         if (app_ops->terminate)
1022                 app_ops->terminate(app_user_data);
1023
1024         screen_connector_provider_fini();
1025
1026         _widget_app_free_viewer_endpoint();
1027         _widget_core_unset_appcore_event_cb();
1028         __free_handler_list();
1029
1030         if (package_id) {
1031                 free(package_id);
1032                 package_id = NULL;
1033         }
1034
1035         if (appid) {
1036                 free(appid);
1037                 appid = NULL;
1038         }
1039
1040         elm_shutdown();
1041 }
1042
1043 static void __on_low_memory(keynode_t *key, void *data)
1044 {
1045         int val;
1046
1047         val = vconf_keynode_get_int(key);
1048         if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
1049                 app_event_handler_h handler;
1050                 struct app_event_info event;
1051
1052                 _I("widget_app_low_memory");
1053
1054                 event.type = APP_EVENT_LOW_MEMORY;
1055                 event.value = (void *)&val;
1056
1057                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
1058
1059                 while (iter) {
1060                         handler = (app_event_handler_h) iter->data;
1061                         handler->cb(&event, handler->data);
1062                         iter = g_list_next(iter);
1063                 }
1064         }
1065 }
1066
1067 static void __on_low_battery(keynode_t *key, void *data)
1068 {
1069         int val;
1070
1071         val = vconf_keynode_get_int(key);
1072         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
1073                 app_event_handler_h handler;
1074                 struct app_event_info event;
1075
1076                 _I("widget_app_low_battery");
1077
1078                 event.type = APP_EVENT_LOW_BATTERY;
1079                 event.value = (void *)&val;
1080
1081                 GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
1082
1083                 while (iter) {
1084                         handler = (app_event_handler_h) iter->data;
1085                         handler->cb(&event, handler->data);
1086                         iter = g_list_next(iter);
1087                 }
1088         }
1089 }
1090
1091 static void __on_lang_changed(keynode_t *key, void *data)
1092 {
1093         char *val;
1094
1095         _update_lang();
1096         val = vconf_keynode_get_str(key);
1097
1098         app_event_handler_h handler;
1099         struct app_event_info event;
1100
1101         _I("widget_app_lang_changed");
1102
1103         event.type = APP_EVENT_LANGUAGE_CHANGED;
1104         event.value = (void *)val;
1105
1106         GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
1107
1108         while (iter) {
1109                 handler = (app_event_handler_h) iter->data;
1110                 handler->cb(&event, handler->data);
1111                 iter = g_list_next(iter);
1112         }
1113 }
1114
1115 static void __on_region_changed(keynode_t *key, void *data)
1116 {
1117         char *val;
1118
1119         _update_region();
1120         val = vconf_keynode_get_str(key);
1121
1122         app_event_handler_h handler;
1123         struct app_event_info event;
1124
1125         _I("widget_app_region_changed");
1126
1127         event.type = APP_EVENT_REGION_FORMAT_CHANGED;
1128         event.value = (void *)val;
1129
1130         GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
1131
1132         while (iter) {
1133                 handler = (app_event_handler_h) iter->data;
1134                 handler->cb(&event, handler->data);
1135                 iter = g_list_next(iter);
1136         }
1137 }
1138
1139 static void __register_event(int event_type)
1140 {
1141         switch (event_type) {
1142         case APP_EVENT_LOW_MEMORY:
1143                 vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1144                 break;
1145
1146         case APP_EVENT_LOW_BATTERY:
1147                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1148                 break;
1149
1150         case APP_EVENT_LANGUAGE_CHANGED:
1151                 vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
1152                 break;
1153
1154         case APP_EVENT_REGION_FORMAT_CHANGED:
1155                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
1156                 break;
1157         }
1158 }
1159
1160 static void __unregister_event(int event_type)
1161 {
1162         switch (event_type) {
1163         case APP_EVENT_LOW_MEMORY:
1164                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1165                 break;
1166
1167         case APP_EVENT_LOW_BATTERY:
1168                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1169                 break;
1170
1171         case APP_EVENT_LANGUAGE_CHANGED:
1172                 vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
1173                 break;
1174
1175         case APP_EVENT_REGION_FORMAT_CHANGED:
1176                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
1177                 break;
1178         }
1179 }
1180
1181 static void _widget_core_set_appcore_event_cb(void)
1182 {
1183         __register_event(APP_EVENT_LANGUAGE_CHANGED);
1184         __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
1185 }
1186
1187 static void _widget_core_unset_appcore_event_cb(void)
1188 {
1189         __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
1190         __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
1191 }
1192
1193 EXPORT_API int widget_app_main(int argc, char **argv,
1194                 widget_app_lifecycle_callback_s *callback, void *user_data)
1195 {
1196         int r;
1197
1198         if (!_is_widget_feature_enabled()) {
1199                 _E("not supported"); /* LCOV_EXCL_LINE */
1200                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1201         }
1202
1203         if (argc <= 0 || argv == NULL || callback == NULL)
1204                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1205                                 __FUNCTION__, NULL);
1206
1207         if (callback->create == NULL)
1208                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1209                                 __FUNCTION__,
1210                                 "widget_app_create_cb() callback must be "
1211                                 "registered");
1212         app_ops = callback;
1213         app_user_data = user_data;
1214         r = __before_loop(argc, argv);
1215         if (r < 0) {
1216                 if (appid) {
1217                         free(appid);
1218                         appid = NULL;
1219                 }
1220                 return r;
1221         }
1222
1223         ecore_main_loop_begin();
1224         aul_status_update(STATUS_DYING);
1225         __after_loop();
1226
1227         return WIDGET_ERROR_NONE;
1228 }
1229
1230 EXPORT_API int widget_app_exit(void)
1231 {
1232         if (!_is_widget_feature_enabled()) {
1233                 _E("not supported"); /* LCOV_EXCL_LINE */
1234                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1235         }
1236
1237         if (exit_called)
1238                 return WIDGET_ERROR_NONE;
1239
1240         exit_called = 1;
1241
1242         ecore_main_loop_quit();
1243
1244         return WIDGET_ERROR_NONE;
1245 }
1246
1247 /* LCOV_EXCL_START */
1248 static gboolean __finish_event_cb(gpointer user_data)
1249 {
1250         if (user_data == NULL)
1251                 return FALSE;
1252
1253         widget_context_s *wc = (widget_context_s *)user_data;
1254
1255         switch (wc->state) {
1256         case WC_READY:
1257                 __instance_resume(wc->provider, wc->id, UPDATE_LOCAL);
1258         case WC_RUNNING:
1259                 __instance_pause(wc->provider, wc->id, UPDATE_LOCAL);
1260         case WC_PAUSED:
1261                 __instance_destroy(wc->provider, wc->id,
1262                                 WIDGET_DESTROY_TYPE_TEMPORARY, UPDATE_ALL);
1263                 break;
1264         default:
1265                 break;
1266         }
1267
1268         return FALSE;
1269 }
1270 /* LCOV_EXCL_STOP */
1271
1272 EXPORT_API int widget_app_terminate_context(widget_context_h context)
1273 {
1274         if (!_is_widget_feature_enabled()) {
1275                 _E("not supported"); /* LCOV_EXCL_LINE */
1276                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1277         }
1278
1279         if (context == NULL)
1280                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1281                                 __FUNCTION__, NULL);
1282
1283         g_idle_add(__finish_event_cb, context);
1284         return WIDGET_ERROR_NONE;
1285 }
1286
1287 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
1288 {
1289         GList *contexts = _widget_app_get_contexts();
1290         GList *list;
1291         widget_context_s *wc;
1292
1293         if (!_is_widget_feature_enabled()) {
1294                 _E("not supported"); /* LCOV_EXCL_LINE */
1295                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1296         }
1297
1298         if (!cb)
1299                 return WIDGET_ERROR_INVALID_PARAMETER;
1300
1301         list = g_list_first(contexts);
1302
1303         while (list) {
1304                 wc = (widget_context_s *)list->data;
1305                 if (wc) {
1306                         if (!cb(wc, data))
1307                                 break;
1308                 }
1309                 list = list->next;
1310         }
1311
1312         return WIDGET_ERROR_NONE;
1313 }
1314
1315 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
1316                                         app_event_type_e event_type, app_event_cb callback,
1317                                         void *user_data)
1318 {
1319         int r;
1320         bool feature;
1321
1322         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1323         if (r < 0)
1324                 return WIDGET_ERROR_FAULT;
1325
1326         if (!feature)
1327                 return WIDGET_ERROR_NOT_SUPPORTED;
1328
1329         app_event_handler_h handler;
1330
1331         if (event_handler == NULL || callback == NULL)
1332                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1333
1334         if (event_type < APP_EVENT_LOW_MEMORY
1335             || event_type > APP_EVENT_REGION_FORMAT_CHANGED)
1336                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1337
1338         if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
1339                 return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
1340
1341         GList *iter = g_list_first(handler_list[event_type]);
1342
1343         while (iter) {
1344                 handler = (app_event_handler_h) iter->data;
1345
1346                 if (handler->cb == callback)
1347                         return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1348
1349                 iter = g_list_next(iter);
1350         }
1351
1352         handler = calloc(1, sizeof(struct app_event_handler));
1353         if (!handler)
1354                 return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL); /* LCOV_EXCL_LINE */
1355
1356         if (g_list_length(handler_list[event_type]) == 0)
1357                 __register_event(event_type);
1358
1359         handler->type = event_type;
1360         handler->cb = callback;
1361         handler->data = user_data;
1362         handler_list[event_type] = g_list_append(handler_list[event_type], handler);
1363
1364         *event_handler = handler;
1365
1366         return WIDGET_ERROR_NONE;
1367 }
1368
1369 EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
1370                                                 event_handler)
1371 {
1372         int r;
1373         bool feature;
1374
1375         r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
1376         if (r < 0)
1377                 return WIDGET_ERROR_FAULT;
1378
1379         if (!feature)
1380                 return WIDGET_ERROR_NOT_SUPPORTED;
1381
1382         app_event_type_e type;
1383
1384         if (event_handler == NULL)
1385                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1386
1387         type = event_handler->type;
1388         if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
1389                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
1390
1391         handler_list[type] = g_list_remove(handler_list[type], event_handler);
1392         free(event_handler);
1393
1394         if (g_list_length(handler_list[type]) == 0)
1395                 __unregister_event(type);
1396
1397         return WIDGET_ERROR_NONE;
1398 }
1399
1400 EXPORT_API const char *widget_app_get_id(widget_context_h context)
1401 {
1402         if (!_is_widget_feature_enabled()) {
1403                 _E("not supported"); /* LCOV_EXCL_LINE */
1404                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1405                 return NULL; /* LCOV_EXCL_LINE */
1406         }
1407
1408         if (!context) {
1409                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1410                 return NULL;
1411         }
1412
1413         set_last_result(WIDGET_ERROR_NONE);
1414         return context->id;
1415 }
1416
1417 static void _win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
1418 {
1419        /* Remove data used in accessibility */
1420         char *plug_id;
1421         plug_id = evas_object_data_del(obj, "___PLUGID");
1422         free(plug_id);
1423 }
1424
1425 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
1426                                         Evas_Object **win)
1427 {
1428         widget_context_s *cxt = (widget_context_s *)context;
1429         Evas_Object *ret_win;
1430         Ecore_Wl_Window *wl_win;
1431         struct wl_surface *surface;
1432         char buffer[256];
1433         int rots[3] = {0};
1434
1435         if (!_is_widget_feature_enabled()) {
1436                 _E("not supported"); /* LCOV_EXCL_LINE */
1437                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1438         }
1439
1440         if (context == NULL || win == NULL)
1441                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1442                                 __FUNCTION__, NULL);
1443
1444         ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
1445         if (ret_win == NULL) {
1446                 _E("failed to create window"); /* LCOV_EXCL_LINE */
1447                 goto fault; /* LCOV_EXCL_LINE */
1448         }
1449
1450         elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
1451         elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
1452
1453         wl_win = elm_win_wl_window_get(ret_win);
1454         if (wl_win == NULL) {
1455                 _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
1456                 goto fault;
1457         }
1458
1459         surface = ecore_wl_window_surface_get(wl_win);
1460         if (surface == NULL) {
1461                 _E("failed to get surface"); /* LCOV_EXCL_LINE */
1462                 goto fault; /* LCOV_EXCL_LINE */
1463         }
1464         screen_connector_provider_remote_enable(cxt->id, surface);
1465
1466         ecore_wl_window_class_name_set(wl_win, cxt->id);
1467         elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
1468
1469         *win = ret_win;
1470         cxt->win = ret_win;
1471         cxt->win_id = ecore_wl_window_id_get(wl_win);
1472
1473         /* Set data to use in accessibility */
1474         snprintf(buffer, sizeof(buffer), "%s:%d", cxt->id, getpid());
1475         evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
1476         evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, _win_del_cb, NULL);
1477
1478         _D("window created: %d", cxt->win_id);
1479
1480         return WIDGET_ERROR_NONE;
1481
1482 fault:
1483         if (ret_win)    /* LCOV_EXCL_LINE */
1484                 evas_object_del(ret_win); /* LCOV_EXCL_LINE */
1485
1486         return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
1487
1488 }
1489
1490 widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
1491                 widget_instance_lifecycle_callback_s callback, void *user_data)
1492 {
1493         widget_class_s *wc;
1494
1495         if (!_is_widget_feature_enabled()) {
1496                 _E("not supported"); /* LCOV_EXCL_LINE */
1497                 set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
1498                 return NULL;
1499         }
1500
1501         if (class_id == NULL) {
1502                 set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
1503                 return NULL;
1504         }
1505
1506         wc = (widget_class_s *)calloc(1, sizeof(widget_class_s));
1507         if (wc == NULL) {
1508                 _E("failed to calloc : %s", __FUNCTION__); /* LCOV_EXCL_LINE */
1509                 set_last_result(WIDGET_ERROR_OUT_OF_MEMORY); /* LCOV_EXCL_LINE */
1510                 return NULL; /* LCOV_EXCL_LINE */
1511         }
1512
1513         wc->classid = strdup(class_id);
1514         wc->user_data = user_data;
1515         wc->ops = callback;
1516         wc->next = prev;
1517         wc->prev = NULL;
1518
1519         set_last_result(WIDGET_ERROR_NONE);
1520
1521         if (prev)
1522                 prev->prev = wc;
1523
1524         return wc;
1525 }
1526
1527 EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
1528                 const char *class_id,
1529                 widget_instance_lifecycle_callback_s callback, void *user_data)
1530 {
1531         return _widget_class_create(widget_class, class_id, callback,
1532                         user_data);
1533 }
1534
1535 EXPORT_API widget_class_h widget_app_class_create(
1536                 widget_instance_lifecycle_callback_s callback, void *user_data)
1537 {
1538         return _widget_class_create(class_provider, appid, callback, user_data);
1539 }
1540
1541 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
1542 {
1543         if (!_is_widget_feature_enabled()) {
1544                 _E("not supported"); /* LCOV_EXCL_LINE */
1545                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1546         }
1547
1548         if (context == NULL)
1549                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1550                                 __FUNCTION__, NULL);
1551
1552         context->tag = tag;
1553
1554         return WIDGET_ERROR_NONE;
1555 }
1556
1557 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
1558 {
1559         if (!_is_widget_feature_enabled()) {
1560                 _E("not supported"); /* LCOV_EXCL_LINE */
1561                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1562         }
1563
1564         if (context == NULL || tag == NULL)
1565                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1566                                 __FUNCTION__, NULL);
1567
1568         *tag = context->tag;
1569
1570         return WIDGET_ERROR_NONE;
1571 }
1572
1573 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
1574                 bundle *content_info)
1575 {
1576         const char *class_id = NULL;
1577         int ret = 0;
1578         bundle_raw *raw = NULL;
1579         int len;
1580
1581         if (!_is_widget_feature_enabled()) {
1582                 _E("not supported"); /* LCOV_EXCL_LINE */
1583                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1584         }
1585
1586         if (context == NULL || content_info == NULL)
1587                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1588                                 __FUNCTION__, NULL);
1589
1590         if (context->provider == NULL)
1591                 return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
1592                                 __FUNCTION__, NULL);
1593
1594         class_id = context->provider->classid;
1595         if (class_id == NULL)
1596                 return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
1597
1598         ret = __send_update_status(class_id, context->id,
1599                         WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
1600
1601         if (context->content)
1602                 free(context->content);
1603
1604         bundle_encode(content_info, &raw, &len);
1605         if (raw)
1606                 context->content = strdup((const char *)raw);
1607         else
1608                 context->content = NULL;
1609
1610         free(raw);
1611         if (ret < 0) {
1612                 /* LCOV_EXCL_START */
1613                 _E("failed to send content info: %s of %s (%d)", context->id,
1614                                 class_id, ret);
1615                 return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
1616                                 NULL);
1617                 /* LCOV_EXCL_STOP */
1618         }
1619
1620         return WIDGET_ERROR_NONE;
1621 }
1622
1623 EXPORT_API int widget_app_context_set_title(widget_context_h context,
1624                 const char *title)
1625 {
1626         if (!_is_widget_feature_enabled()) {
1627                 _E("not supported"); /* LCOV_EXCL_LINE */
1628                 return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
1629         }
1630
1631         if (!context || !title)
1632                 return WIDGET_ERROR_INVALID_PARAMETER;
1633
1634         if (context->win)
1635                 elm_win_title_set(context->win, title);
1636
1637         return WIDGET_ERROR_NONE;
1638 }