Add more exceptional case handling codes.

Change-Id: I8caeaa27240c02623aabb89c1745247b08af2047

diff --git a/widget_viewer_evas/src/widget_viewer_evas.c b/widget_viewer_evas/src/widget_viewer_evas.c
index 4c483e7..9d74e52 100755 (executable)
--- a/widget_viewer_evas/src/widget_viewer_evas.c
+++ b/widget_viewer_evas/src/widget_viewer_evas.c
@@ -6069,6 +6069,15 @@ EAPI int widget_viewer_evas_init(Evas_Object *win)
 {
        int ret;
 
+       if (!win) {
+               return WIDGET_ERROR_INVALID_PARAMETER;
+       }
+
+       if (s_info.initialized) {
+               ErrPrint("Already initialized\n");
+               return WIDGET_ERROR_ALREADY_EXIST;
+       }
+
        ecore_x_window_size_get(0, &s_info.screen_width, &s_info.screen_height);
 
        s_info.conf.field.render_animator = 0;  // By default, use render animator for updating
@@ -6106,28 +6115,47 @@ EAPI int widget_viewer_evas_init(Evas_Object *win)
 
 EAPI int widget_viewer_evas_fini(void)
 {
+       int ret;
+
        if (s_info.initialized) {
                widget_viewer_remove_event_handler(widget_event_handler);
                widget_viewer_remove_fault_handler(widget_fault_handler);
                widget_viewer_fini();
                widget_conf_reset();
                s_info.initialized = 0;
+
+               ret = WIDGET_ERROR_NONE;
+       } else {
+               ret = WIDGET_ERROR_FAULT;
        }
+
        return 0;
 }
 
 EAPI int widget_viewer_evas_notify_resumed_status_of_viewer(void)
 {
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        return widget_viewer_notify_resumed_status_of_viewer();
 }
 
 EAPI int widget_viewer_evas_notify_paused_status_of_viewer(void)
 {
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        return widget_viewer_notify_paused_status_of_viewer();
 }
 
 EAPI int widget_viewer_evas_notify_orientation_of_viewer(int orientation)
 {
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        return widget_viewer_notify_orientation_of_viewer(orientation);
 }
 
@@ -6142,6 +6170,11 @@ EAPI Evas_Object *widget_viewer_evas_add_widget(Evas_Object *parent, const char
        char *cluster = DEFAULT_CLUSTER;
        char *category = DEFAULT_CATEGORY;
 
+       if (!s_info.initialized) {
+               ErrPrint("Viewer is not initialized\n");
+               return NULL;
+       }
+
        if (!parent || !widget_id) {
                return NULL;
        }
@@ -6222,6 +6255,10 @@ EAPI int widget_viewer_evas_set_view_port(Evas_Object *widget, int x, int y, int
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6239,6 +6276,10 @@ EAPI int widget_viewer_evas_get_view_port(Evas_Object *widget, int *x, int *y, i
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6265,6 +6306,8 @@ EAPI int widget_viewer_evas_get_view_port(Evas_Object *widget, int *x, int *y, i
 
 EAPI int widget_viewer_evas_set_option(widget_evas_conf_e type, int value)
 {
+       int ret = WIDGET_ERROR_NONE;
+
        switch ((int)type) {
        case WIDGET_VIEWER_EVAS_SENSITIVE_MOVE:
                s_info.conf.field.sensitive_move = value;
@@ -6315,16 +6358,21 @@ EAPI int widget_viewer_evas_set_option(widget_evas_conf_e type, int value)
                DbgPrint("Turn %s skip-acquire option\n", s_info.conf.field.skip_acquire ? "on" : "off");
                break;
        default:
+               ret = WIDGET_ERROR_INVALID_PARAMETER;
                break;
        }
 
-       return WIDGET_ERROR_NONE;
+       return ret;
 }
 
 EAPI int widget_viewer_evas_pause_widget(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6341,6 +6389,10 @@ EAPI int widget_viewer_evas_resume_widget(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6358,6 +6410,10 @@ EAPI int widget_viewer_evas_destroy_glance_bar(Evas_Object *widget)
        struct widget_data *data;
        int ret;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data || data->state != WIDGET_DATA_CREATED || !data->is.field.created || !data->handle || !data->is.field.gbar_created) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6375,6 +6431,10 @@ EAPI const char *widget_viewer_evas_get_content_info(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return NULL;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return NULL;
@@ -6387,6 +6447,10 @@ EAPI const char *widget_viewer_evas_get_title_string(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return NULL;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return NULL;
@@ -6399,6 +6463,10 @@ EAPI const char *widget_viewer_evas_get_widget_id(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return NULL;
+       }
+
        data = get_smart_data(widget);
        if (!data || data->state != WIDGET_DATA_CREATED) {
                return NULL;
@@ -6411,6 +6479,10 @@ EAPI double widget_viewer_evas_get_period(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return 0.0f;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return 0.0f;
@@ -6423,6 +6495,10 @@ EAPI void widget_viewer_evas_cancel_click_event(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return;
@@ -6474,6 +6550,10 @@ EAPI int widget_viewer_evas_feed_mouse_up_event(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6492,6 +6572,10 @@ EAPI int widget_viewer_evas_feed_access_event(Evas_Object *widget, int type, voi
        int ret;
        struct widget_access_event_info ainfo;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data || !data->is.field.created || !data->handle) {
                return WIDGET_ERROR_INVALID_PARAMETER;
@@ -6776,6 +6860,10 @@ EAPI void widget_viewer_evas_disable_preview(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6789,6 +6877,10 @@ EAPI void widget_viewer_evas_disable_overlay_text(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6802,6 +6894,10 @@ EAPI void widget_viewer_evas_disable_loading(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6815,6 +6911,10 @@ EAPI void widget_viewer_evas_activate_faulted_widget(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6832,6 +6932,10 @@ EAPI int widget_viewer_evas_is_faulted(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6903,6 +7007,10 @@ EAPI int widget_viewer_evas_freeze_visibility(Evas_Object *widget, widget_visibi
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6918,6 +7026,10 @@ EAPI int widget_viewer_evas_thaw_visibility(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6933,6 +7045,11 @@ EAPI int widget_viewer_evas_get_freeze_visibility(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               ErrPrint("Not initialized\n");
+               return 0;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6947,6 +7064,10 @@ EAPI int widget_viewer_evas_dump_to_file(Evas_Object *widget, const char *filena
        struct widget_data *data;
        FILE *fp;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6977,6 +7098,10 @@ EAPI int widget_viewer_evas_is_widget(Evas_Object *widget)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return 0;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -6990,6 +7115,10 @@ EAPI void widget_viewer_evas_set_permanent_delete(Evas_Object *widget, int flag)
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -7005,6 +7134,10 @@ EAPI int widget_viewer_evas_subscribe_group(const char *cluster, const char *sub
        Eina_List *l;
        int ret;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        if (!cluster || !sub_cluster) {
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
@@ -7055,6 +7188,10 @@ EAPI int widget_viewer_evas_unsubscribe_group(const char *cluster, const char *s
        Eina_List *l;
        Eina_List *n;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        if (!cluster || !sub_cluster) {
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
@@ -7078,6 +7215,10 @@ EAPI int widget_viewer_evas_subscribe_category(const char *category)
        Eina_List *l;
        int ret;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        if (!category) {
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
@@ -7118,6 +7259,10 @@ EAPI int widget_viewer_evas_unsubscribe_category(const char *category)
        Eina_List *n;
        struct subscribe_category *item;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        if (!category) {
                return WIDGET_ERROR_INVALID_PARAMETER;
        }
@@ -7143,6 +7288,10 @@ EAPI int widget_viewer_evas_emit_text_signal(Evas_Object *widget, widget_text_si
 {
        struct widget_data *widget_data_from_evas;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        widget_data_from_evas = get_smart_data(widget);
 
        if (!widget_data_from_evas) {
@@ -7157,6 +7306,10 @@ EAPI int widget_viewer_evas_get_instance_id(Evas_Object *widget, char **instance
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");
@@ -7170,6 +7323,10 @@ EAPI int widget_viewer_evas_set_widget_option(Evas_Object *widget, widget_option
 {
        struct widget_data *data;
 
+       if (!s_info.initialized) {
+               return WIDGET_ERROR_FAULT;
+       }
+
        data = get_smart_data(widget);
        if (!data) {
                ErrPrint("Invalid object\n");