Override multiwindow base methods
[platform/core/appfw/appcore-widget.git] / src / widget_app.c
index 491ca1c..4c20c2c 100755 (executable)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ * Copyright (c) 2015 - 2017 Samsung Electronics Co., Ltd All Rights Reserved
  *
  * Licensed under the Apache License, Version 2.0 (the License);
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 
 
 #include <stdlib.h>
+#include <stdbool.h>
 
 #include <bundle.h>
 #include <bundle_internal.h>
 #include <glib.h>
 #include <glib-object.h>
 #include <stdlib.h>
-#include <app_control.h>
-#include <app_control_internal.h>
 #include <Elementary.h>
 #include <widget_errno.h>
 #include <widget_instance.h>
-#include <widget_service.h>
-#include <widget_service_internal.h>
 #include <aul_app_com.h>
 #include <Ecore_Wayland.h>
 #include <system_info.h>
 #include <vconf.h>
 #include <vconf-internal-keys.h>
+#include <screen_connector_provider.h>
+#include <appcore_multiwindow_base.h>
 
 #include "widget_app.h"
 #include "widget-log.h"
 #undef LOG_TAG
 #endif
 
-#define STR_MAX_BUF 128
 #define LOG_TAG "CAPI_WIDGET_APPLICATION"
-#define K_REASON    "__WC_K_REASON__"
-
-typedef enum _widget_obj_state_e {
-       WC_READY = 0,
-       WC_RUNNING = 1,
-       WC_PAUSED = 2,
-       WC_TERMINATED = 3
-} widget_obj_state_e;
-
-struct _widget_class {
-       void *user_data;
-       widget_instance_lifecycle_callback_s ops;
-       char *classid;
-       struct _widget_class *next;
-       struct _widget_class *prev;
+#define APP_TYPE_WIDGET "widgetapp"
+#define STATUS_FOREGROUND "fg"
+#define STATUS_BACKGROUND "bg"
+
+struct widget_extra {
+       void *extra;
+       char *instance_id;
+       bundle *args;
+       char *content;
+       Evas_Object *win;
 };
 
-struct app_event_handler {
-       app_event_type_e type;
-       app_event_cb cb;
+struct widget_class_context {
+       widget_instance_lifecycle_callback_s callback;
+       void *data;
+};
+
+struct widget_app_context {
+       widget_app_lifecycle_callback_s callback;
+       void *data;
+       bool dirty;
+};
+
+struct widget_foreach_context {
+       widget_context_cb callback;
        void *data;
 };
 
@@ -76,51 +79,33 @@ struct app_event_info {
        void *value;
 };
 
-struct _widget_context {
-       char *id;
-       struct _widget_class *provider;
-       int state;
-       void *tag;
-       Evas_Object *win;
-       int win_id;
-       bundle *content;
-       widget_instance_lifecycle_callback_s ops;
+struct app_event_handler {
+       app_event_type_e type;
+       app_event_cb cb;
+       void *data;
+       void *raw;
 };
 
-typedef struct _widget_class widget_class_s;
-typedef struct _widget_context widget_context_s;
-
-#define WIDGET_APP_EVENT_MAX 5
-static GList *handler_list[WIDGET_APP_EVENT_MAX] = {NULL, };
-
-static int caller_pid = 0;
-static widget_app_lifecycle_callback_s *app_ops;
-static void *app_user_data = NULL;
-static char *appid = NULL;
-static widget_class_h class_provider = NULL;
-static GList *contexts = NULL;
-static char *viewer_endpoint = NULL;
-
-static void _widget_core_set_appcore_event_cb(void);
-static void _widget_core_unset_appcore_event_cb(void);
-
-static void __free_handler_cb(gpointer data)
-{
-       if (data)
-               free(data);
-}
+struct _widget_context {
+       int dummy;
+};
 
-static void __free_handler_list(void)
-{
-       int i;
+static int __app_event_converter[APPCORE_BASE_EVENT_MAX] = {
+       [APP_EVENT_LOW_MEMORY] = APPCORE_BASE_EVENT_LOW_MEMORY,
+       [APP_EVENT_LOW_BATTERY] = APPCORE_BASE_EVENT_LOW_BATTERY,
+       [APP_EVENT_LANGUAGE_CHANGED] = APPCORE_BASE_EVENT_LANG_CHANGE,
+       [APP_EVENT_DEVICE_ORIENTATION_CHANGED] = APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED,
+       [APP_EVENT_REGION_FORMAT_CHANGED] = APPCORE_BASE_EVENT_REGION_CHANGE,
+       [APP_EVENT_SUSPENDED_STATE_CHANGED] = APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE,
+};
 
-       for (i = 0; i < WIDGET_APP_EVENT_MAX; i++) {
-               g_list_free_full(handler_list[i], __free_handler_cb);
-               handler_list[i] = NULL;
-       }
-}
+static struct widget_app_context __context;
+static char *__appid;
+static char *__package_id;
+static bool __fg_signal;
+char *_viewer_endpoint;
 
-static inline bool _is_widget_feature_enabled(void)
+static bool __is_widget_feature_enabled(void)
 {
        static bool feature = false;
        static bool retrieved = false;
@@ -132,8 +117,8 @@ static inline bool _is_widget_feature_enabled(void)
        ret = system_info_get_platform_bool(
                        "http://tizen.org/feature/shell.appwidget", &feature);
        if (ret != SYSTEM_INFO_ERROR_NONE) {
-               _E("failed to get system info");
-               return false;
+               _E("failed to get system info"); /* LCOV_EXCL_LINE */
+               return false; /* LCOV_EXCL_LINE */
        }
 
        retrieved = true;
@@ -141,39 +126,85 @@ static inline bool _is_widget_feature_enabled(void)
        return feature;
 }
 
-static gint __comp_by_id(gconstpointer a, gconstpointer b)
+/* LCOV_EXCL_START */
+static void __on_poweroff(keynode_t *key, void *data)
 {
-       widget_context_s *wc = (widget_context_s *)a;
+       int val;
 
-       return strcmp(wc->id, (const char *)b);
+       val = vconf_keynode_get_int(key);
+       switch (val) {
+       case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
+       case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
+               _I("power off changed: %d", val);
+               widget_app_exit();
+               break;
+       case VCONFKEY_SYSMAN_POWER_OFF_NONE:
+       case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
+       default:
+               /* DO NOTHING */
+               break;
+       }
 }
+/* LCOV_EXCL_STOP */
 
-static widget_context_s *__find_context_by_id(const char *id)
+static int __widget_app_create(void *data)
 {
-       GList *ret = g_list_find_custom(contexts, id, __comp_by_id);
+       char pkgid[256] = {0, };
 
-       if (ret == NULL)
-               return NULL;
+       appcore_multiwindow_base_on_create();
+       app_get_id(&__appid);
+       if (aul_app_get_pkgid_bypid(getpid(), pkgid, sizeof(pkgid)) == 0)
+               __package_id = strdup(pkgid);
 
-       return ret->data;
-}
+       if (!__package_id || !__appid) {
+               _E("__package_id is NULL");
+               return -1;
+       }
 
-static gint __comp_by_win(gconstpointer a, gconstpointer b)
-{
-       int win = GPOINTER_TO_INT(b);
-       widget_context_s *wc = (widget_context_s *)a;
+       screen_connector_provider_init();
+       vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
+
+       if (__context.callback.create == NULL) {
+               _E("__context.callback.create(is NULL");
+               return -1;
+       }
 
-       return (wc && wc->win_id == win) ? 0 : -1;
+       if (__context.callback.create(__context.data) == NULL) {
+               _E("app_create_cb() returns NULL");
+               return -1;
+       }
+
+       _D("widget app is created");
+       return 0;
 }
 
-static widget_context_s *__find_context_by_win(int win)
+static int __widget_app_terminate(void *data)
 {
-       GList *ret = g_list_find_custom(contexts, GINT_TO_POINTER(win), __comp_by_win);
+       if (__context.callback.terminate)
+               __context.callback.terminate(__context.data);
 
-       if (ret == NULL)
-               return NULL;
+       vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
+       screen_connector_provider_fini();
+
+       if (_viewer_endpoint) {
+               free(_viewer_endpoint);
+               _viewer_endpoint = NULL;
+       }
+
+       if (__package_id) {
+               free(__package_id);
+               __package_id = NULL;
+       }
+
+       if (__appid) {
+               free(__appid);
+               __appid = NULL;
+       }
 
-       return ret->data;
+       appcore_multiwindow_base_on_terminate();
+
+       _D("widget app is terminated");
+       return 0;
 }
 
 static int __send_lifecycle_event(const char *class_id, const char *instance_id,
@@ -183,18 +214,19 @@ static int __send_lifecycle_event(const char *class_id, const char *instance_id,
        int ret;
 
        if (b == NULL) {
-               _E("out of memory");
-               return -1;
+               _E("out of memory"); /* LCOV_EXCL_LINE */
+               return -1; /* LCOV_EXCL_LINE */
        }
 
-       bundle_add_str(b, WIDGET_K_ID, class_id);
-       bundle_add_str(b, WIDGET_K_INSTANCE, instance_id);
-       bundle_add_byte(b, WIDGET_K_STATUS, &status, sizeof(int));
+       bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
+       bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
+       bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
+       bundle_add_str(b, AUL_K_PKGID, __package_id);
 
        _D("send lifecycle %s(%d)", instance_id, status);
        ret = aul_app_com_send("widget.status", b);
        if (ret < 0)
-               _E("send lifecycle error:%d", ret);
+               _E("send lifecycle error:%d", ret); /* LCOV_EXCL_LINE */
 
        bundle_free(b);
 
@@ -202,20 +234,31 @@ static int __send_lifecycle_event(const char *class_id, const char *instance_id,
 }
 
 static int __send_update_status(const char *class_id, const char *instance_id,
-       int status, bundle *extra, int internal_only)
+       int status, bundle *extra)
 {
-       bundle *b = extra;
+       bundle *b;
        int lifecycle = -1;
+       bundle_raw *raw = NULL;
+       int len;
 
-       if (b == NULL)
-               b = bundle_create();
+       b = bundle_create();
+       if (!b) {
+               _E("out of memory"); /* LCOV_EXCL_LINE */
+               return -1; /* LCOV_EXCL_LINE */
+       }
 
-       bundle_add_str(b, WIDGET_K_ID, class_id);
-       bundle_add_str(b, WIDGET_K_INSTANCE, instance_id);
-       bundle_add_byte(b, WIDGET_K_STATUS, &status, sizeof(int));
+       bundle_add_str(b, AUL_K_WIDGET_ID, class_id);
+       bundle_add_str(b, AUL_K_WIDGET_INSTANCE_ID, instance_id);
+       bundle_add_byte(b, AUL_K_WIDGET_STATUS, &status, sizeof(int));
 
-       _D("send update %s(%d) to %s", instance_id, status, viewer_endpoint);
-       aul_app_com_send(viewer_endpoint, b);
+       if (extra) {
+               bundle_encode(extra, &raw, &len);
+               bundle_add_str(b, WIDGET_K_CONTENT_INFO, (const char *)raw);
+               aul_widget_instance_add(class_id, instance_id);
+       }
+
+       _D("send update %s(%d) to %s", instance_id, status, _viewer_endpoint);
+       aul_app_com_send(_viewer_endpoint, b);
 
        switch (status) {
        case WIDGET_INSTANCE_EVENT_CREATE:
@@ -235,140 +278,98 @@ static int __send_update_status(const char *class_id, const char *instance_id,
        if (lifecycle > -1)
                __send_lifecycle_event(class_id, instance_id, lifecycle);
 
-       if (extra == NULL)
-               bundle_free(b);
+       bundle_free(b);
+       if (raw)
+               free(raw);
 
        return 0;
 }
 
-static int __instance_resume(widget_class_h handle, const char *id, bundle *b)
+static void __instance_resume(const char *class_id, const char *id, bundle *b)
 {
-       widget_context_s *wc = __find_context_by_id(id);
-       int ret;
+       appcore_multiwindow_base_instance_h cxt;
 
-       if (wc) {
-               if (handle->ops.resume)
-                       handle->ops.resume(wc, handle->user_data);
+       cxt = appcore_multiwindow_base_instance_find(id);
 
-               wc->state = WC_RUNNING;
-               _D("%s is resumed", id);
-               ret = __send_update_status(handle->classid, wc->id,
-                       WIDGET_INSTANCE_EVENT_RESUME, NULL, 0);
-       } else {
+       if (!cxt) {
                _E("context not found: %s", id);
-               ret = -1;
+               return;
        }
 
-       return ret;
+       appcore_multiwindow_base_instance_resume(cxt);
+
+       __send_update_status(class_id, id,
+                       WIDGET_INSTANCE_EVENT_RESUME, NULL);
+       if (!__fg_signal) {
+               _D("Send fg signal to resourceD");
+               aul_send_app_status_change_signal(getpid(),
+                               __appid,
+                               __package_id,
+                               STATUS_FOREGROUND,
+                               APP_TYPE_WIDGET);
+               __fg_signal = true;
+       }
 }
 
-static int __instance_pause(widget_class_h handle, const char *id, bundle *b)
+static void __instance_pause(const char *class_id, const char *id, bundle *b)
 {
-       widget_context_s *wc = __find_context_by_id(id);
-       int ret;
+       appcore_multiwindow_base_instance_h cxt;
 
-       if (wc) {
-               if (handle->ops.pause)
-                       handle->ops.pause(wc, handle->user_data);
+       cxt = appcore_multiwindow_base_instance_find(id);
 
-               wc->state = WC_PAUSED;
-               _D("%s is paused", id);
-               ret = __send_update_status(handle->classid, wc->id,
-                       WIDGET_INSTANCE_EVENT_PAUSE, NULL, 0);
-       } else {
+       if (!cxt) {
                _E("context not found: %s", id);
-               ret = -1;
+               return;
        }
 
-       return ret;
+       appcore_multiwindow_base_instance_pause(cxt);
+
+       if (__fg_signal) {
+               _D("Send bg signal to resourceD");
+               aul_send_app_status_change_signal(getpid(),
+                               __appid,
+                               __package_id,
+                               STATUS_BACKGROUND,
+                               APP_TYPE_WIDGET);
+               __fg_signal = false;
+       }
 }
 
-static int __instance_resize(widget_class_h handle, const char *id, bundle *b)
+static void __instance_resize(const char *class_id, const char *id, bundle *b)
 {
-       widget_context_s *wc = __find_context_by_id(id);
-       int ret;
-       int w;
-       int h;
+       appcore_multiwindow_base_instance_h cxt;
+       struct widget_class_context *class_cxt;
+       const appcore_multiwindow_base_class *cls;
+       struct widget_extra *we;
+       char *remain = NULL;
        char *w_str = NULL;
        char *h_str = NULL;
-       char *remain = NULL;
+       int w = 0;
+       int h = 0;
 
-       if (wc) {
-               bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
-               bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
-
-               if (w_str)
-                       w = (int)g_ascii_strtoll(w_str, &remain, 10);
-               else
-                       w = -1;
-
-               if (h_str)
-                       h = (int)g_ascii_strtoll(h_str, &remain, 10);
-               else
-                       h = -1;
-
-               if (handle->ops.resize)
-                       handle->ops.resize(wc, w, h, handle->user_data);
-               _D("%s is resized to %dx%d", id, w, h);
-               ret = __send_update_status(handle->classid, wc->id,
-                       WIDGET_INSTANCE_EVENT_SIZE_CHANGED, NULL, 0);
-       } else {
-               _E("context not found: %s", id);
-               ret = -1;
-       }
-
-       return ret;
-}
-
-static int __instance_update(widget_class_h handle, const char *id, bundle *b)
-{
-       widget_context_s *wc = __find_context_by_id(id);
-       int ret;
-       int force;
-       char *force_str = NULL;
+       cxt = appcore_multiwindow_base_instance_find(id);
 
-       if (!wc) {
+       if (!cxt) {
                _E("context not found: %s", id);
-               return -1;
+               return;
        }
 
-       if (handle->ops.update) {
-               if (b)
-                       bundle_get_str(b, WIDGET_K_FORCE, &force_str);
-
-               if (force_str && strcmp(force_str, "true") == 0)
-                       force = 1;
-               else
-                       force = 0;
+       cls = appcore_multiwindow_base_instance_get_class(cxt);
+       if (!cls)
+               return;
 
-               handle->ops.update(wc, b, force, handle->user_data);
-               ret = __send_update_status(handle->classid, wc->id,
-                       WIDGET_INSTANCE_EVENT_UPDATE, b, 0);
-               _D("updated:%s", id);
+       class_cxt = cls->data;
+       if (!class_cxt) {
+               _E("class is NULL");
+               return;
        }
 
-       return ret;
-}
-
-static int __instance_create(widget_class_h handle, const char *id, bundle *b)
-{
-       widget_context_s *wc = NULL;
-       int w = 0, h = 0;
-       char *w_str = NULL, *h_str = NULL;
-       char *remain = NULL;
-       int ret = 0;
-
-       wc = (widget_context_s *)malloc(sizeof(widget_context_s));
-       if (!wc)
-               return WIDGET_ERROR_OUT_OF_MEMORY;
-
-       wc->state = WC_READY;
-       wc->id = g_strdup(id);
-       wc->provider = handle;
-       wc->win = NULL;
-       wc->win_id = -1;
+       we = appcore_multiwindow_base_instance_get_extra(cxt);
+       if (!we) {
+               _E("widget extra is NULL");
+               return;
+       }
 
-       wc->content = bundle_dup(b);
        bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
        bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
 
@@ -378,632 +379,378 @@ static int __instance_create(widget_class_h handle, const char *id, bundle *b)
        if (h_str)
                h = (int)g_ascii_strtoll(h_str, &remain, 10);
 
-       contexts = g_list_append(contexts, wc);
-
-       handle->ops.create(wc, b, w, h, handle->user_data);
-       ret = __send_update_status(handle->classid, wc->id,
-                       WIDGET_INSTANCE_EVENT_CREATE, b, 0);
-
-       return ret;
-}
-
-static int __instance_destroy(widget_class_h handle, const char *id,
-               widget_destroy_type_e reason, bundle *b)
-{
-       widget_context_s *wc = __find_context_by_id(id);
-       int ret = 0;
-
-       if (wc) {
-               wc->state = WC_TERMINATED;
-               handle->ops.destroy(wc, (widget_app_destroy_type_e)reason, b,
-                               handle->user_data);
-
-               ret = __send_update_status(handle->classid, id,
-                               WIDGET_INSTANCE_EVENT_TERMINATE, b, 0);
-
-               contexts = g_list_remove(contexts, wc);
-
-               if (wc->id)
-                       free(wc->id);
-               free(wc);
-       } else {
-               _E("could not find widget obj: %s", id);
-               ret = WIDGET_ERROR_INVALID_PARAMETER;
-       }
-
-       return ret;
-}
-
-static widget_class_h __find_class_handler(const char *class_id,
-               widget_class_h handle)
-{
-       if (!class_id || !handle)
-               return NULL;
-
-       widget_class_h head = handle;
-
-       while (head) {
-               if (head->classid && strcmp(head->classid, class_id) == 0)
-                       return head;
-
-               head = head->next;
-       }
-
-       return NULL;
-}
-
-static void __control(bundle *b)
-{
-       char *class_id = NULL;
-       char *id = NULL;
-       char *operation = NULL;
-       char *reason = NULL;
-       char *remain = NULL;
-       int destroy_type = WIDGET_DESTROY_TYPE_DEFAULT;
-
-       widget_class_h handle = NULL;
-       bundle_get_str(b, WIDGET_K_CLASS, &class_id);
-       /* for previous version compatibility, use appid for default class id */
-       if (class_id == NULL)
-               class_id = appid;
-
-       bundle_get_str(b, WIDGET_K_INSTANCE, &id);
-       bundle_get_str(b, WIDGET_K_OPERATION, &operation);
-
-       handle = __find_class_handler(class_id, class_provider);
-       if (!handle) {
-               _E("no handle provided: %s", class_id);
-               goto error;
-       }
-
-       if (!operation) {
-               _E("no operation provided");
-               goto error;
-       }
-
-       if (strcmp(operation, "create") == 0) {
-               __instance_create(handle, id, b);
-       } else if (strcmp(operation, "resize") == 0) {
-               __instance_resize(handle, id, b);
-       } else if (strcmp(operation, "update") == 0) {
-               __instance_update(handle, id, b);
-       } else if (strcmp(operation, "destroy") == 0) {
-               bundle_get_str(b, WIDGET_K_REASON, &reason);
-               if (reason)
-                       destroy_type = (int)g_ascii_strtoll(reason, &remain,
-                                       10);
-
-               __instance_destroy(handle, id, destroy_type, b);
-       } else if (strcmp(operation, "resume") == 0) {
-               __instance_resume(handle, id, b);
-       } else if (strcmp(operation, "pause") == 0) {
-               __instance_pause(handle, id, b);
-       }
-
-       return;
-error:
-       LOGD("error on control");
-       return;
-}
-
-static void __resume_cb(const char *id, void *data)
-{
-       widget_context_s *cxt = __find_context_by_id(id);
-
-       if (cxt)
-               __instance_resume(cxt->provider, id, NULL);
-       else
-               _E("invalid context id:%s", id);
-
-}
-
-static void __pause_cb(const char *id, void *data)
-{
-       widget_context_s *cxt = __find_context_by_id(id);
-
-       if (cxt)
-               __instance_pause(cxt->provider, id, NULL);
-       else
-               _E("invalid context id:%s", id);
-}
-
-static void __pause_all()
-{
-       GList *iter = g_list_first(contexts);
-
-       while (iter != NULL) {
-               widget_context_s *cxt = (widget_context_s *)iter->data;
-               const char *id = cxt->id;
-
-               switch (cxt->state) {
-               case WC_READY:
-                       __resume_cb(id, NULL);
-                       __pause_cb(id, NULL);
-                       break;
-               case WC_RUNNING:
-                       __pause_cb(id, NULL);
-                       break;
-               }
-               iter = g_list_next(iter);
-       }
-}
-
-static void __resume_all()
-{
-       GList *iter = g_list_first(contexts);
-
-       while (iter != NULL) {
-               widget_context_s *cxt = (widget_context_s *)iter->data;
-               const char *id = cxt->id;
-
-               switch (cxt->state) {
-               case WC_READY:
-                       __resume_cb(id, NULL);
-                       break;
-               case WC_PAUSED:
-                       __resume_cb(id, NULL);
-                       break;
-               }
-               iter = g_list_next(iter);
-       }
-}
-
-static Eina_Bool __show_cb(void *data, int type, void *event)
-{
-       Ecore_Wl_Event_Window_Show *ev = event;
-       widget_context_s *cxt = __find_context_by_win(ev->win);
-
-       LOGD("show %d %d", (unsigned int)ev->win, (unsigned int)ev->data[0]);
-
-       if (cxt)
-               __instance_resume(cxt->provider, cxt->id, NULL);
-       else
-               LOGE("unknown window error: %d", ev->win);
-
-       return ECORE_CALLBACK_RENEW;
-}
-
-static Eina_Bool __hide_cb(void *data, int type, void *event)
-{
-       Ecore_Wl_Event_Window_Hide *ev = event;
-       widget_context_s *cxt = __find_context_by_win(ev->win);
-
-
-       LOGD("hide %d", (unsigned int)ev->win);
-
-       if (cxt)
-               __instance_pause(cxt->provider, cxt->id, NULL);
+       if (we->win)
+               evas_object_resize(we->win, w, h);
        else
-               LOGE("unknown window error: %d", ev->win);
-
-       return ECORE_CALLBACK_RENEW;
-}
-
-static Eina_Bool __visibility_cb(void *data, int type, void *event)
-{
-       Ecore_Wl_Event_Window_Visibility_Change *ev = event;
-       LOGD("visiblity change: %d %d", (unsigned int)ev->win,  (unsigned int)ev->fully_obscured);
-       /* this is not working so far*/
-       return ECORE_CALLBACK_RENEW;
-}
-
-static Eina_Bool __lower_cb(void *data, int type, void *event)
-{
-       LOGD("lower");
-       return ECORE_CALLBACK_RENEW;
-}
-
-static void __add_climsg()
-{
-       ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_SHOW, __show_cb, NULL);
-       ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_HIDE, __hide_cb, NULL);
-       ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_VISIBILITY_CHANGE, __visibility_cb, NULL);
-       ecore_event_handler_add(ECORE_WL_EVENT_WINDOW_LOWER, __lower_cb, NULL);
-}
-
-static int __aul_handler(aul_type type, bundle *b, void *data)
-{
-       char *caller = NULL;
-       char *remain = NULL;
-
-       switch (type) {
-       case AUL_START:
-               if (b) {
-                       bundle_get_str(b, WIDGET_K_CALLER, &caller);
-                       if (caller) {
-                               caller_pid = g_ascii_strtoll(caller, &remain,
-                                               10);
-                       } else {
-                               /* using caller appid and query pid using caller appid? */
-                               _E("no caller pid");
-                       }
-               }
+               _E("unable to find window of %s", id);
 
-               __control(b);
-               break;
-       case AUL_RESUME:
-               __resume_all();
-               break;
-       case AUL_TERMINATE:
-               widget_app_exit();
-               break;
-       default:
-               break;
-       }
-
-       return 0;
+       if (class_cxt->callback.resize)
+               class_cxt->callback.resize(cxt, w, h, class_cxt->data);
+       _D("%s is resized to %dx%d", id, w, h);
+       __send_update_status(class_id, id,
+               WIDGET_INSTANCE_EVENT_SIZE_CHANGED, NULL);
 }
 
-static char *__get_domain_name(char *appid)
+static void __inst_cb(const char *class_id, const char *id,
+               appcore_multiwindow_base_instance_h cxt, void *data)
 {
-       char *name_token;
-
-       if (appid == NULL) {
-               _E("appid is NULL");
-               return NULL;
-       }
-
-       name_token = strrchr(appid, '.');
-
-       if (name_token == NULL) {
-               _E("appid is invalid");
-               return appid;
-       }
-
-       name_token++;
-
-       return name_token;
-}
-
-static void __on_poweroff(keynode_t *key, void *data)
-{
-       int val;
-
-       val = vconf_keynode_get_int(key);
-       switch (val) {
-       case VCONFKEY_SYSMAN_POWER_OFF_DIRECT:
-       case VCONFKEY_SYSMAN_POWER_OFF_RESTART:
-               _I("power off changed: %d", val);
-               widget_app_exit();
-               break;
-       case VCONFKEY_SYSMAN_POWER_OFF_NONE:
-       case VCONFKEY_SYSMAN_POWER_OFF_POPUP:
-       default:
-               /* DO NOTHING */
-               break;
-       }
-}
-
-extern int _set_i18n(const char *name);
-
-static int __before_loop(int argc, char **argv)
-{
-       int r;
-       bundle *kb = NULL;
-       char *wayland_display = NULL;
-       char *xdg_runtime_dir = NULL;
-       char *name;
-
-#if !(GLIB_CHECK_VERSION(2, 36, 0))
-       g_type_init();
-#endif
-
-       kb = bundle_import_from_argv(argc, argv);
-       if (kb) {
-               bundle_get_str(kb, AUL_K_WAYLAND_WORKING_DIR, &xdg_runtime_dir);
-               bundle_get_str(kb, AUL_K_WAYLAND_DISPLAY, &wayland_display);
-               bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
-               if (viewer_endpoint) {
-                       _E("viewer endpoint :%s", viewer_endpoint);
-                       viewer_endpoint = strdup(viewer_endpoint);
-               } else {
-                       _E("endpoint is missing");
-               }
-
-               if (xdg_runtime_dir)
-                       setenv("XDG_RUNTIME_DIR", xdg_runtime_dir, 1);
-
-               if (wayland_display)
-                       setenv("WAYLAND_DISPLAY", wayland_display, 1);
-
-               bundle_free(kb);
-               kb = NULL;
-       } else {
-               _E("failed to get launch argv");
-       }
-
-       elm_init(argc, argv);
+       struct widget_class_context *class_cxt;
+       const appcore_multiwindow_base_class *cls;
+       bundle *content = NULL;
+       char *content_raw = NULL;
+       char *force_str = NULL;
+       int force;
+       bundle *b = data;
 
-       r = aul_launch_init(__aul_handler, NULL);
-       if (r < 0) {
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__,
-                               "Fail to call the aul_launch_init");
+       if (!b) {
+               _E("bundle is NULL");
+               return;
        }
 
-       r = aul_launch_argv_handler(argc, argv);
-       if (r < 0) {
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__,
-                               "Fail to call the aul_launch_argv_handler");
+       cls = appcore_multiwindow_base_instance_get_class(cxt);
+       if (!cls) {
+               _E("class is NULL");
+               return;
        }
 
-       r = app_get_id(&appid);
-       if (r != APP_ERROR_NONE)
-               return r;
-
-       name = __get_domain_name(appid);
-
-       if (name == NULL) {
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__,
-                               "Fail to call __get_domain_name");
+       class_cxt = cls->data;
+       if (!class_cxt) {
+               _E("class context is NULL");
+               return;
        }
 
-       r = _set_i18n(name);
-
-       if (r < 0) {
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__,
-                               "Fail to call _set_i18n");
+       if (!class_cxt->callback.update) {
+               _E("update callback is NULL");
+               return;
        }
 
-       __add_climsg();
-
-       _widget_core_set_appcore_event_cb();
+       bundle_get_str(b, WIDGET_K_FORCE, &force_str);
 
-       class_provider = app_ops->create(app_user_data);
-       if (class_provider == NULL) {
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__, "widget_class is NULL");
-       }
-
-       vconf_notify_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff, NULL);
-
-       return WIDGET_ERROR_NONE;
-}
-
-static void __after_loop()
-{
-       vconf_ignore_key_changed(VCONFKEY_SYSMAN_POWER_OFF_STATUS, __on_poweroff);
-
-       __pause_all();
-
-       if (app_ops->terminate)
-               app_ops->terminate(app_user_data);
+       if (force_str && strcmp(force_str, "true") == 0)
+               force = 1;
+       else
+               force = 0;
 
-       if (viewer_endpoint)
-               free(viewer_endpoint);
+       bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content_raw);
 
-       _widget_core_unset_appcore_event_cb();
-       __free_handler_list();
-       elm_shutdown();
-}
-
-static void __on_low_memory(keynode_t *key, void *data)
-{
-       int val;
+       if (content_raw)
+               content = bundle_decode((const bundle_raw *)content_raw, strlen(content_raw));
+       class_cxt->callback.update(cxt, content, force, class_cxt->data);
+       __send_update_status(class_id, id,
+               WIDGET_INSTANCE_EVENT_UPDATE, NULL);
+       _D("updated:%s", id);
 
-       val = vconf_keynode_get_int(key);
-       if (val == VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
-               app_event_handler_h handler;
-               struct app_event_info event;
+       if (content)
+               bundle_free(content);
+}
 
-               _I("widget_app_low_memory");
+static void __instance_update(const char *class_id, const char *id, bundle *b)
+{
+       appcore_multiwindow_base_instance_h cxt;
 
-               event.type = APP_EVENT_LOW_MEMORY;
-               event.value = (void *)&val;
+       if (!id) {
+               appcore_multiwindow_base_instance_foreach(class_id, __inst_cb, b);
+               return;
+       }
 
-               GList *iter = g_list_first(handler_list[APP_EVENT_LOW_MEMORY]);
+       cxt = appcore_multiwindow_base_instance_find(id);
 
-               while (iter) {
-                       handler = (app_event_handler_h) iter->data;
-                       handler->cb(&event, handler->data);
-                       iter = g_list_next(iter);
-               }
+       if (!cxt) {
+               _E("context not found: %s", id);
+               return;
        }
+
+       __inst_cb(class_id, id, cxt, b);
 }
 
-static void __on_low_battery(keynode_t *key, void *data)
+static void __instance_create(const char *class_id, const char *id, bundle *b)
 {
-       int val;
+       struct widget_extra *we;
+       char *content = NULL;
 
-       val = vconf_keynode_get_int(key);
-       if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
-               app_event_handler_h handler;
-               struct app_event_info event;
+       we = (struct widget_extra *)calloc(1, sizeof(struct widget_extra));
+       if (!we) {
+               _E("Out of memory");
+               return;
+       }
 
-               _I("widget_app_low_battery");
+       we->instance_id = strdup(id);
+       we->args = b;
+       appcore_multiwindow_base_instance_run(class_id, id, we);
+       we->args = NULL;
+       we->win = NULL;
+       bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
+       if (content)
+               we->content = strdup(content);
 
-               event.type = APP_EVENT_LOW_BATTERY;
-               event.value = (void *)&val;
+}
 
-               GList *iter = g_list_first(handler_list[APP_EVENT_LOW_BATTERY]);
+static void __check_empty_instance(void)
+{
+       int cnt = appcore_multiwindow_base_instance_get_cnt();
 
-               while (iter) {
-                       handler = (app_event_handler_h) iter->data;
-                       handler->cb(&event, handler->data);
-                       iter = g_list_next(iter);
-               }
-       }
+       if (cnt == 0)
+               widget_app_exit();
 }
 
-static void __on_lang_changed(keynode_t *key, void *data)
+static void __instance_destroy(const char *class_id, const char *id, bundle *b)
 {
-       char *val;
+       appcore_multiwindow_base_instance_h cxt;
+       struct widget_extra *we;
+
+       cxt = appcore_multiwindow_base_instance_find(id);
+       if (!cxt) {
+               _E("could not find widget obj: %s, clear amd info", id);
+               aul_widget_instance_del(class_id, id);
+               return;
+       }
 
-       _update_lang();
-       val = vconf_keynode_get_str(key);
+       we = appcore_multiwindow_base_instance_get_extra(cxt);
+       we->args = b;
+       appcore_multiwindow_base_instance_exit(cxt);
+       free(we->instance_id);
+       free(we->content);
+       free(we);
+       __check_empty_instance();
+}
 
-       app_event_handler_h handler;
-       struct app_event_info event;
+static int __widget_app_control(bundle *b, void *data)
+{
+       char *class_id = NULL;
+       char *id = NULL;
+       char *operation = NULL;
 
-       _I("widget_app_lang_changed");
+       appcore_multiwindow_base_on_control(b);
 
-       event.type = APP_EVENT_LANGUAGE_CHANGED;
-       event.value = (void *)val;
+       bundle_get_str(b, WIDGET_K_CLASS, &class_id);
+       /* for previous version compatibility, use appid for default class id */
+       if (class_id == NULL)
+               class_id = __appid;
 
-       GList *iter = g_list_first(handler_list[APP_EVENT_LANGUAGE_CHANGED]);
+       bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
+       bundle_get_str(b, WIDGET_K_OPERATION, &operation);
 
-       while (iter) {
-               handler = (app_event_handler_h) iter->data;
-               handler->cb(&event, handler->data);
-               iter = g_list_next(iter);
+       if (!operation) {
+               _E("operation is NULL");
+               return 0;
        }
-}
 
-static void __on_region_changed(keynode_t *key, void *data)
-{
-       char *val;
+       if (strcmp(operation, "create") == 0) {
+               __instance_create(class_id, id, b);
+       } else if (strcmp(operation, "resize") == 0) {
+               __instance_resize(class_id, id, b);
+       } else if (strcmp(operation, "update") == 0) {
+               __instance_update(class_id, id, b);
+       } else if (strcmp(operation, "destroy") == 0) {
+               __instance_destroy(class_id, id, b);
+       } else if (strcmp(operation, "resume") == 0) {
+               __instance_resume(class_id, id, b);
+       } else if (strcmp(operation, "pause") == 0) {
+               __instance_pause(class_id, id, b);
+       } else if (strcmp(operation, "terminate") == 0) {
+               __instance_destroy(class_id, id, b);
+       }
 
-       _update_region();
-       val = vconf_keynode_get_str(key);
+       return 0;
+}
 
-       app_event_handler_h handler;
-       struct app_event_info event;
+static void __inst_resume_cb(const char *class_id, const char *id,
+               appcore_multiwindow_base_instance_h cxt, void *data)
+{
+       __instance_resume(class_id, id, data);
+}
 
-       _I("widget_app_region_changed");
+static void __get_content(bundle *b)
+{
+       char *instance_id = NULL;
+       appcore_multiwindow_base_instance_h cxt;
+       struct widget_extra *we;
+
+       bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &instance_id);
+       if (!instance_id) {
+               _E("instance id is NULL");
+               return;
+       }
 
-       event.type = APP_EVENT_REGION_FORMAT_CHANGED;
-       event.value = (void *)val;
+       cxt = appcore_multiwindow_base_instance_find(instance_id);
+       if (!cxt) {
+               _E("could not find widget obj: %s", instance_id);
+               return;
+       }
 
-       GList *iter = g_list_first(handler_list[APP_EVENT_REGION_FORMAT_CHANGED]);
+       we = appcore_multiwindow_base_instance_get_extra(cxt);
+       if (!we) {
+               _E("widget extra is NULL");
+               return;
+       }
 
-       while (iter) {
-               handler = (app_event_handler_h) iter->data;
-               handler->cb(&event, handler->data);
-               iter = g_list_next(iter);
+       if (we->content) {
+               bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, we->content);
+               _D("content info of %s found", instance_id);
+       } else {
+               bundle_add_str(b, AUL_K_WIDGET_CONTENT_INFO, "");
+               _D("empty content info added");
        }
 }
 
-static void __register_event(int event_type)
+static int __widget_app_receive(aul_type type, bundle *b, void *data)
 {
-       switch (event_type) {
-       case APP_EVENT_LOW_MEMORY:
-               vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
-               break;
+       appcore_multiwindow_base_on_receive(type, b);
 
-       case APP_EVENT_LOW_BATTERY:
-               vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
+       switch (type) {
+       case AUL_RESUME:
+               appcore_multiwindow_base_instance_foreach_full(__inst_resume_cb, b);
                break;
-
-       case APP_EVENT_LANGUAGE_CHANGED:
-               vconf_notify_key_changed(VCONFKEY_LANGSET, __on_lang_changed, NULL);
+       case AUL_TERMINATE:
+               widget_app_exit();
                break;
-
-       case APP_EVENT_REGION_FORMAT_CHANGED:
-               vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed, NULL);
+       case AUL_WIDGET_CONTENT:
+               __get_content(b);
+               break;
+       default:
                break;
        }
+
+       return 0;
 }
 
-static void __unregister_event(int event_type)
+static int __widget_app_init(int argc, char **argv, void *data)
 {
-       switch (event_type) {
-       case APP_EVENT_LOW_MEMORY:
-               vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
-               break;
-
-       case APP_EVENT_LOW_BATTERY:
-               vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
-               break;
+       elm_init(argc, argv);
+       return 0;
+}
 
-       case APP_EVENT_LANGUAGE_CHANGED:
-               vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_lang_changed);
-               break;
+static void __widget_app_finish(void)
+{
+       elm_shutdown();
 
-       case APP_EVENT_REGION_FORMAT_CHANGED:
-               vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_changed);
-               break;
+       /* Check Loader case */
+       if (getenv("AUL_LOADER_INIT")) {
+               unsetenv("AUL_LOADER_INIT");
+               elm_shutdown();
        }
 }
 
-static void _widget_core_set_appcore_event_cb(void)
+static void __widget_app_run(void *data)
 {
-       __register_event(APP_EVENT_LANGUAGE_CHANGED);
-       __register_event(APP_EVENT_REGION_FORMAT_CHANGED);
+       elm_run();
 }
 
-static void _widget_core_unset_appcore_event_cb(void)
+static void __widget_app_exit(void *data)
 {
-       __unregister_event(APP_EVENT_LANGUAGE_CHANGED);
-       __unregister_event(APP_EVENT_REGION_FORMAT_CHANGED);
+       elm_exit();
 }
 
 EXPORT_API int widget_app_main(int argc, char **argv,
                widget_app_lifecycle_callback_s *callback, void *user_data)
 {
-       int r;
+       bundle *kb;
+       char *viewer_endpoint = NULL;
 
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
        if (argc <= 0 || argv == NULL || callback == NULL)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__, NULL);
 
+       if (__context.dirty) {
+               _E("Already started");
+               return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
+       }
+
        if (callback->create == NULL)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__,
                                "widget_app_create_cb() callback must be "
                                "registered");
 
-       app_ops = callback;
-       app_user_data = user_data;
-       r = __before_loop(argc, argv);
-       if (r < 0)
-               return r;
+       appcore_multiwindow_base_ops ops = appcore_multiwindow_base_get_default_ops();
+
+       /* override methods */
+       ops.base.create = __widget_app_create;
+       ops.base.control = __widget_app_control;
+       ops.base.terminate = __widget_app_terminate;
+       ops.base.receive = __widget_app_receive;
+       ops.base.init = __widget_app_init;
+       ops.base.finish = __widget_app_finish;
+       ops.base.run = __widget_app_run;
+       ops.base.exit = __widget_app_exit;
+
+       __context.callback = *callback;
+       __context.data = user_data;
+       kb = bundle_import_from_argv(argc, argv);
+       if (kb) {
+               bundle_get_str(kb, WIDGET_K_ENDPOINT, &viewer_endpoint);
+               if (viewer_endpoint) {
+                       _D("viewer endpoint :%s", viewer_endpoint);
+                       _viewer_endpoint = strdup(viewer_endpoint);
+               } else {
+                       _E("endpoint is missing");
+               }
+
+               bundle_free(kb);
+       } else {
+               _E("failed to get launch argv"); /* LCOV_EXCL_LINE */
+               return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
+       }
 
-       ecore_main_loop_begin();
-       aul_status_update(STATUS_DYING);
-       __after_loop();
+       __context.dirty = true;
+       appcore_multiwindow_base_init(ops, argc, argv, NULL);
+       appcore_multiwindow_base_fini();
+       __context.dirty = false;
 
        return WIDGET_ERROR_NONE;
 }
 
 EXPORT_API int widget_app_exit(void)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       ecore_main_loop_quit();
+       appcore_multiwindow_base_exit();
+       aul_widget_notify_exit();
 
        return WIDGET_ERROR_NONE;
 }
 
 static gboolean __finish_event_cb(gpointer user_data)
 {
-       if (user_data == NULL)
-               return FALSE;
-
-       widget_context_s *wc = (widget_context_s *)user_data;
+       appcore_multiwindow_base_instance_h cxt = user_data;
+       bundle *b;
+       const char *id;
+       const char *class_id;
 
-       switch (wc->state) {
-       case WC_READY:
-
-               break;
-       case WC_RUNNING:
+       if (!cxt) {
+               _E("user_data is NULL");
+               return FALSE;
+       }
 
-               break;
-       case WC_PAUSED:
+       id = appcore_multiwindow_base_instance_get_id(cxt);
+       class_id = appcore_multiwindow_base_instance_get_class_id(cxt);
+       b = bundle_create();
 
-               break;
-       default:
-               break;
+       if (!b) {
+               _E("Out-of-memory");
+               return FALSE;
        }
 
+       bundle_add_str(b, WIDGET_K_OPERATION, "terminate");
+       __instance_destroy(class_id, id, b);
+       bundle_free(b);
+
        return FALSE;
 }
 
 EXPORT_API int widget_app_terminate_context(widget_context_h context)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
        if (context == NULL)
@@ -1014,39 +761,61 @@ EXPORT_API int widget_app_terminate_context(widget_context_h context)
        return WIDGET_ERROR_NONE;
 }
 
+static void __inst_full_cb(const char *class_id, const char *id,
+               appcore_multiwindow_base_instance_h cxt, void *data)
+{
+       struct widget_foreach_context *foreach_context = data;
+
+       if (!data)
+               return;
+
+       if (foreach_context->callback)
+               foreach_context->callback(cxt, foreach_context->data);
+}
+
 EXPORT_API int widget_app_foreach_context(widget_context_cb cb, void *data)
 {
-       GList *list;
-       widget_context_s *wc;
+       struct widget_foreach_context foreach_context;
 
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       if (!cb)
+       if (!cb) {
+               _E("callback is NULL");
                return WIDGET_ERROR_INVALID_PARAMETER;
-
-       list = g_list_first(contexts);
-
-       while (list) {
-               wc = (widget_context_s *)list->data;
-               if (wc) {
-                       if (!cb(wc, data))
-                               break;
-               }
-               list = list->next;
        }
 
+       foreach_context.callback = cb;
+       foreach_context.data = data;
+       appcore_multiwindow_base_instance_foreach_full(__inst_full_cb, &foreach_context);
+
        return WIDGET_ERROR_NONE;
 }
 
+int __event_cb(void *event, void *data)
+{
+       app_event_handler_h handler = data;
+
+       struct app_event_info app_event;
+
+       app_event.type = handler->type;
+       app_event.value = event;
+
+       if (handler->cb)
+               handler->cb(&app_event, handler->data);
+
+       return 0;
+}
+
 EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
                                        app_event_type_e event_type, app_event_cb callback,
                                        void *user_data)
 {
        int r;
        bool feature;
+       app_event_handler_h handler;
 
        r = system_info_get_platform_bool(FEATURE_SHELL_APPWIDGET, &feature);
        if (r < 0)
@@ -1055,8 +824,6 @@ EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
        if (!feature)
                return WIDGET_ERROR_NOT_SUPPORTED;
 
-       app_event_handler_h handler;
-
        if (event_handler == NULL || callback == NULL)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
 
@@ -1067,29 +834,15 @@ EXPORT_API int widget_app_add_event_handler(app_event_handler_h *event_handler,
        if (event_type == APP_EVENT_DEVICE_ORIENTATION_CHANGED)
                return widget_app_error(WIDGET_ERROR_NOT_SUPPORTED, __FUNCTION__, NULL);
 
-       GList *iter = g_list_first(handler_list[event_type]);
-
-       while (iter) {
-               handler = (app_event_handler_h) iter->data;
-
-               if (handler->cb == callback)
-                       return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
-
-               iter = g_list_next(iter);
-       }
 
        handler = calloc(1, sizeof(struct app_event_handler));
        if (!handler)
-               return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, NULL);
-
-       if (g_list_length(handler_list[event_type]) == 0)
-               __register_event(event_type);
+               return widget_app_error(WIDGET_ERROR_OUT_OF_MEMORY, __FUNCTION__, "failed to create handler");
 
        handler->type = event_type;
        handler->cb = callback;
        handler->data = user_data;
-       handler_list[event_type] = g_list_append(handler_list[event_type], handler);
-
+       handler->raw = appcore_base_add_event(__app_event_converter[event_type], __event_cb, handler);
        *event_handler = handler;
 
        return WIDGET_ERROR_NONE;
@@ -1117,21 +870,21 @@ EXPORT_API int widget_app_remove_event_handler(app_event_handler_h
        if (type < APP_EVENT_LOW_MEMORY || type > APP_EVENT_REGION_FORMAT_CHANGED)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER, __FUNCTION__, NULL);
 
-       handler_list[type] = g_list_remove(handler_list[type], event_handler);
-       free(event_handler);
+       r = appcore_base_remove_event(event_handler->raw);
+       if (r < 0)
+               return widget_app_error(APP_ERROR_INVALID_PARAMETER, __FUNCTION__, "invalid raw handler");
 
-       if (g_list_length(handler_list[type]) == 0)
-               __unregister_event(type);
+       free(event_handler);
 
        return WIDGET_ERROR_NONE;
 }
 
 EXPORT_API const char *widget_app_get_id(widget_context_h context)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               set_last_result(WIDGET_ERROR_NOT_SUPPORTED);
-               return NULL;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               set_last_result(WIDGET_ERROR_NOT_SUPPORTED); /* LCOV_EXCL_LINE */
+               return NULL; /* LCOV_EXCL_LINE */
        }
 
        if (!context) {
@@ -1140,128 +893,343 @@ EXPORT_API const char *widget_app_get_id(widget_context_h context)
        }
 
        set_last_result(WIDGET_ERROR_NONE);
-       return context->id;
+       return appcore_multiwindow_base_instance_get_id(context);
+}
+
+static void __win_del_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
+{
+       char *plug_id;
+       plug_id = evas_object_data_del(obj, "___PLUGID");
+       free(plug_id);
 }
 
 EXPORT_API int widget_app_get_elm_win(widget_context_h context,
                                        Evas_Object **win)
 {
-       widget_context_s *cxt = (widget_context_s *)context;
        Evas_Object *ret_win;
        Ecore_Wl_Window *wl_win;
+       struct wl_surface *surface;
+       struct widget_extra *we;
+       char buffer[256];
+       int rots[3] = {0};
+       int win_id;
+       const char *id;
+       appcore_multiwindow_base_instance_h cxt;
 
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
        if (context == NULL || win == NULL)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__, NULL);
 
-       ret_win = elm_win_add(NULL, cxt->id, ELM_WIN_BASIC);
+       cxt = (appcore_multiwindow_base_instance_h)context;
+       id = appcore_multiwindow_base_instance_get_id(cxt);
+       ret_win = elm_win_add(NULL, id, ELM_WIN_BASIC);
        if (ret_win == NULL) {
-               _E("failed to create window");
-               return WIDGET_ERROR_FAULT;
+               _E("failed to create window"); /* LCOV_EXCL_LINE */
+               goto fault; /* LCOV_EXCL_LINE */
        }
 
+       elm_win_wm_rotation_preferred_rotation_set(ret_win, -1);
+       elm_win_wm_rotation_available_rotations_set(ret_win, rots, 1);
+
        wl_win = elm_win_wl_window_get(ret_win);
        if (wl_win == NULL) {
-               _E("failed to get wayland window");
-               evas_object_del(ret_win);
-               return WIDGET_ERROR_FAULT;
+               _E("failed to get wayland window"); /* LCOV_EXCL_LINE */
+               goto fault;
        }
 
-       ecore_wl_window_class_name_set(wl_win, cxt->id);
+       surface = ecore_wl_window_surface_get(wl_win);
+       if (surface == NULL) {
+               _E("failed to get surface"); /* LCOV_EXCL_LINE */
+               goto fault; /* LCOV_EXCL_LINE */
+       }
+       screen_connector_provider_remote_enable(id, surface);
+
+       ecore_wl_window_class_name_set(wl_win, id);
+       elm_win_aux_hint_add(ret_win, "wm.policy.win.user.geometry", "1");
 
        *win = ret_win;
-       cxt->win = ret_win;
-       cxt->win_id = ecore_wl_window_id_get(wl_win);
+       we  = appcore_multiwindow_base_instance_get_extra(cxt);
+       we->win = ret_win;
+       win_id = ecore_wl_window_id_get(wl_win);
 
-       _D("window created: %d", cxt->win_id);
+       /* Set data to use in accessibility */
+       snprintf(buffer, sizeof(buffer), "%s:%d", id, getpid());
+       evas_object_data_set(ret_win, "___PLUGID", strdup(buffer));
+       evas_object_event_callback_add(ret_win, EVAS_CALLBACK_DEL, __win_del_cb, NULL);
+       appcore_multiwindow_base_window_bind(cxt, wl_win);
+
+       _D("window created: %d", win_id);
 
        return WIDGET_ERROR_NONE;
+
+fault:
+       if (ret_win)    /* LCOV_EXCL_LINE */
+               evas_object_del(ret_win); /* LCOV_EXCL_LINE */
+
+       return WIDGET_ERROR_FAULT; /* LCOV_EXCL_LINE */
+}
+
+static void __instance_drop(appcore_multiwindow_base_instance_h cxt)
+{
+       struct widget_extra *we;
+
+       we = appcore_multiwindow_base_instance_get_extra(cxt);
+       appcore_multiwindow_base_instance_drop(cxt);
+       free(we->instance_id);
+       free(we->content);
+       free(we);
+       __check_empty_instance();
+}
+
+static void __stub_create(appcore_multiwindow_base_instance_h context, void *data)
+{
+       struct widget_class_context *cxt  = data;
+       struct widget_extra *we;
+       bundle *b;
+       bundle *content_info = NULL;
+       char *id = NULL;
+       char *class_id = NULL;
+       char *operation = NULL;
+       char *content = NULL;
+       char *w_str = NULL;
+       char *h_str = NULL;
+       char *remain = NULL;
+       int w = 0;
+       int h = 0;
+       int ret = -1;
+
+       appcore_multiwindow_base_class_on_create(context);
+       we  = appcore_multiwindow_base_instance_get_extra((appcore_multiwindow_base_instance_h)context);
+       b = we->args;
+
+       bundle_get_str(b, WIDGET_K_CLASS, &class_id);
+       /* for previous version compatibility, use appid for default class id */
+       if (class_id == NULL)
+               class_id = __appid;
+
+       bundle_get_str(b, AUL_K_WIDGET_INSTANCE_ID, &id);
+       bundle_get_str(b, WIDGET_K_OPERATION, &operation);
+
+       if (!operation) {
+               _E("no operation provided");
+               return;
+       }
+
+       bundle_get_str(b, WIDGET_K_CONTENT_INFO, &content);
+       bundle_get_str(b, WIDGET_K_WIDTH, &w_str);
+       bundle_get_str(b, WIDGET_K_HEIGHT, &h_str);
+
+       if (w_str)
+               w = (int)g_ascii_strtoll(w_str, &remain, 10);
+
+       if (h_str)
+               h = (int)g_ascii_strtoll(h_str, &remain, 10);
+
+       if (content)
+               content_info = bundle_decode((const bundle_raw *)content, strlen(content));
+
+       if (cxt->callback.create)
+               ret = cxt->callback.create(context, content_info, w, h, cxt->data);
+       _D("%s is created %d", id);
+
+       if (ret < 0) {
+               _W("Create callback returns error(%d)", ret);
+               ret = __send_update_status(class_id, id,
+                               WIDGET_INSTANCE_EVENT_CREATE_ABORTED, NULL);
+               __instance_drop(context);
+       } else {
+               ret = __send_update_status(class_id, id,
+                       WIDGET_INSTANCE_EVENT_CREATE, NULL);
+
+               aul_widget_instance_add(class_id, id);
+       }
+
+       if (content_info)
+               bundle_free(content_info);
+}
+
+static void __stub_terminate(appcore_multiwindow_base_instance_h context, void *data)
+{
+       struct widget_class_context *class_cxt  = data;
+       struct widget_extra *we;
+       bundle *b;
+       char *operation = NULL;
+       bundle *content_info;
+       widget_app_destroy_type_e reason = WIDGET_APP_DESTROY_TYPE_TEMPORARY;
+       int event = WIDGET_INSTANCE_EVENT_TERMINATE;
+       const char *id;
+       const char *class_id;
+
+       id = appcore_multiwindow_base_instance_get_id(context);
+       class_id = appcore_multiwindow_base_instance_get_class_id(context);
+       we  = appcore_multiwindow_base_instance_get_extra((appcore_multiwindow_base_instance_h)context);
+       b = we->args;
+
+       if (b) {
+               bundle_get_str(b, WIDGET_K_OPERATION, &operation);
+               if (operation && strcmp(operation, "destroy") == 0)
+                       reason = WIDGET_APP_DESTROY_TYPE_PERMANENT;
+       }
+
+       if (we->content)
+               content_info = bundle_decode((const bundle_raw *)we->content, strlen(we->content));
+       else
+               content_info = bundle_create();
+
+       if (class_cxt->callback.destroy)
+               class_cxt->callback.destroy(context, reason, content_info, class_cxt->data);
+       _D("%s is destroyed %d", id, reason);
+
+       if (reason == WIDGET_APP_DESTROY_TYPE_PERMANENT) {
+               event = WIDGET_INSTANCE_EVENT_DESTROY;
+               aul_widget_instance_del(class_id, id);
+       } else {
+               __send_update_status(class_id, id,
+                               WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
+       }
+
+       if (content_info)
+               bundle_free(content_info);
+
+       __send_update_status(class_id, id, event, NULL);
+       appcore_multiwindow_base_class_on_terminate(context);
+}
+
+static void __stub_pause(appcore_multiwindow_base_instance_h context, void *data)
+{
+       struct widget_class_context *class_cxt  = data;
+       const char *id;
+       const char *class_id;
+
+       appcore_multiwindow_base_class_on_pause(context);
+       id = appcore_multiwindow_base_instance_get_id(context);
+       class_id = appcore_multiwindow_base_instance_get_class_id(context);
+
+       if (!class_cxt) {
+               _E("class context is NULL");
+               return;
+       }
+
+       if (class_cxt->callback.pause)
+               class_cxt->callback.pause(context, class_cxt->data);
+       _D("%s is paused", id);
+       __send_update_status(class_id, id,
+               WIDGET_INSTANCE_EVENT_PAUSE, NULL);
+}
+
+static void __stub_resume(appcore_multiwindow_base_instance_h context, void *data)
+{
+       struct widget_class_context *class_cxt  = data;
+       const char *id;
+       const char *class_id;
+
+       appcore_multiwindow_base_class_on_resume(context);
+       id = appcore_multiwindow_base_instance_get_id(context);
+       class_id = appcore_multiwindow_base_instance_get_class_id(context);
+
+       if (!class_cxt) {
+               _E("class context is NULL");
+               return;
+       }
+
+       if (class_cxt->callback.resume)
+               class_cxt->callback.resume(context, class_cxt->data);
+       _D("%s is resumed", id);
+       __send_update_status(class_id, id,
+               WIDGET_INSTANCE_EVENT_RESUME, NULL);
 }
 
-widget_class_h _widget_class_create(widget_class_s *prev, const char *class_id,
+EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
+               const char *class_id,
                widget_instance_lifecycle_callback_s callback, void *user_data)
 {
-       widget_class_s *wc;
+       appcore_multiwindow_base_class cls;
+       struct widget_class_context *cxt;
 
-       if (!_is_widget_feature_enabled()) {
+       if (!__is_widget_feature_enabled()) {
                _E("not supported");
                set_last_result(WIDGET_ERROR_NOT_SUPPORTED);
                return NULL;
        }
 
-       if (class_id == NULL) {
+       if (!class_id) {
+               _E("class is is NULL");
                set_last_result(WIDGET_ERROR_INVALID_PARAMETER);
                return NULL;
        }
 
-       wc = (widget_class_s *)malloc(sizeof(widget_class_s));
-       if (wc == NULL) {
-               _E("failed to malloc : %s", __FUNCTION__);
+       cxt = calloc(1, sizeof(struct widget_class_context));
+
+       if (!cxt) {
+               _E("failed to calloc : %s", __FUNCTION__);
                set_last_result(WIDGET_ERROR_OUT_OF_MEMORY);
                return NULL;
        }
 
-       wc->classid = strdup(class_id);
-       wc->user_data = user_data;
-       wc->ops = callback;
-       wc->next = prev;
-       wc->prev = NULL;
-
-       set_last_result(WIDGET_ERROR_NONE);
+       cxt->callback = callback;
+       cxt->data = user_data;
 
-       if (prev)
-               prev->prev = wc;
+       cls.id = strdup(class_id);
+       cls.data = cxt;
+       cls.create = __stub_create;
+       cls.terminate = __stub_terminate;
+       cls.pause = __stub_pause;
+       cls.resume = __stub_resume;
 
-       return wc;
-}
+       appcore_multiwindow_base_class_add(cls);
+       set_last_result(WIDGET_ERROR_NONE);
 
-EXPORT_API widget_class_h widget_app_class_add(widget_class_h widget_class,
-               const char *class_id,
-               widget_instance_lifecycle_callback_s callback, void *user_data)
-{
-       return _widget_class_create(widget_class, class_id, callback,
-                       user_data);
+       return (widget_class_h)cxt;
 }
 
 EXPORT_API widget_class_h widget_app_class_create(
                widget_instance_lifecycle_callback_s callback, void *user_data)
 {
-       return _widget_class_create(class_provider, appid, callback, user_data);
+       return widget_app_class_add(NULL, __appid, callback, user_data);
 }
 
 EXPORT_API int widget_app_context_set_tag(widget_context_h context, void *tag)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       struct widget_extra *we;
+
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       if (context == NULL)
+       if (!context)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__, NULL);
 
-       context->tag = tag;
+       we = appcore_multiwindow_base_instance_get_extra((appcore_multiwindow_base_instance_h)context);
+       we->extra = tag;
 
        return WIDGET_ERROR_NONE;
 }
 
 EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       struct widget_extra *we;
+
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       if (context == NULL || tag == NULL)
+       if (!context || !tag)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__, NULL);
 
-       *tag = context->tag;
+       we  = appcore_multiwindow_base_instance_get_extra((appcore_multiwindow_base_instance_h)context);
+       if (we == NULL)
+               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
+                               __FUNCTION__, NULL);
+       *tag = we->extra;
 
        return WIDGET_ERROR_NONE;
 }
@@ -1269,35 +1237,51 @@ EXPORT_API int widget_app_context_get_tag(widget_context_h context, void **tag)
 EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
                bundle *content_info)
 {
-       const char *class_id = NULL;
        int ret = 0;
-
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       bundle_raw *raw = NULL;
+       int len;
+       const char *id;
+       const char *class_id;
+       struct widget_extra *we;
+       appcore_multiwindow_base_instance_h cxt;
+
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       if (context == NULL || content_info == NULL)
-               return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
-                               __FUNCTION__, NULL);
-
-       if (context->provider == NULL)
+       if (!context || !content_info)
                return widget_app_error(WIDGET_ERROR_INVALID_PARAMETER,
                                __FUNCTION__, NULL);
 
-       class_id = context->provider->classid;
+       cxt = (appcore_multiwindow_base_instance_h)context;
+       id = appcore_multiwindow_base_instance_get_id(cxt);
+       class_id = appcore_multiwindow_base_instance_get_class_id(cxt);
+       we  = appcore_multiwindow_base_instance_get_extra(cxt);
 
-       if (class_id == NULL)
+       if (!class_id || !id || !we)
                return widget_app_error(WIDGET_ERROR_FAULT, __FUNCTION__, NULL);
 
-       ret = __send_update_status(class_id, context->id,
-                       WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info, true);
+       ret = __send_update_status(class_id, id,
+                       WIDGET_INSTANCE_EVENT_EXTRA_UPDATED, content_info);
+
+       if (we->content)
+               free(we->content);
 
+       bundle_encode(content_info, &raw, &len);
+       if (raw)
+               we->content = strdup((const char *)raw);
+       else
+               we->content = NULL;
+
+       free(raw);
        if (ret < 0) {
-               _E("failed to send content info: %s of %s (%d)", context->id,
+               /* LCOV_EXCL_START */
+               _E("failed to send content info: %s of %s (%d)", id,
                                class_id, ret);
                return widget_app_error(WIDGET_ERROR_IO_ERROR, __FUNCTION__,
                                NULL);
+               /* LCOV_EXCL_STOP */
        }
 
        return WIDGET_ERROR_NONE;
@@ -1306,17 +1290,24 @@ EXPORT_API int widget_app_context_set_content_info(widget_context_h context,
 EXPORT_API int widget_app_context_set_title(widget_context_h context,
                const char *title)
 {
-       if (!_is_widget_feature_enabled()) {
-               _E("not supported");
-               return WIDGET_ERROR_NOT_SUPPORTED;
+       appcore_multiwindow_base_instance_h cxt;
+       struct widget_extra *we;
+
+       if (!__is_widget_feature_enabled()) {
+               _E("not supported"); /* LCOV_EXCL_LINE */
+               return WIDGET_ERROR_NOT_SUPPORTED; /* LCOV_EXCL_LINE */
        }
 
-       if (!context || !title)
+       if (!context || !title) {
+               _E("Invalid parameter %p %p", context, title);
                return WIDGET_ERROR_INVALID_PARAMETER;
+       }
 
-       if (context->win)
-               elm_win_title_set(context->win, title);
+       cxt = (appcore_multiwindow_base_instance_h)context;
+       we  = appcore_multiwindow_base_instance_get_extra(cxt);
+
+       if (we->win)
+               elm_win_title_set(we->win, title);
 
        return WIDGET_ERROR_NONE;
 }
-