backend: add default_backend initial codes
[platform/core/uifw/libpui.git] / backends / default_backend.c
index ab13717..d626c69 100644 (file)
@@ -3,6 +3,26 @@
 #include <stdlib.h>
 #include <PUI_backend.h>
 
+#include <json-c/json.h>
+#include <dirent.h>
+#include <errno.h>
+#include <Eina.h>
+
+#define ANI_COLLECTION_DIR "/run/pui/"
+#define MAX_STR 1024
+
+#define ERROR_CHECK(exp, action, fmt, ...) \
+       do { \
+               if (!(exp)) \
+               { \
+                       printf(fmt, ##__VA_ARGS__);     \
+                       action; \
+               } \
+       } while (0)
+
+pui_backend_ani_func *ani_func = NULL;
+Eina_Hash *_animations_hash = NULL;
+
 typedef enum
 {
        None,
@@ -14,6 +34,9 @@ typedef enum
 } pui_effect_func;
 
 typedef struct _default_ani_info default_ani_info;
+typedef struct _default_frame_info_t default_frame_info_t;
+typedef struct _default_led_info_t default_led_info_t;
+
 struct _default_ani_info
 {
        pui_id id;
@@ -23,10 +46,22 @@ struct _default_ani_info
 
        unsigned int key_frame_idx;
        unsigned int num_key_frames;
-       double interval;
+       default_frame_info_t *frames;
+       int interval;
        pui_effect_func effect_func;
 };
 
+struct _default_frame_info_t
+{
+       default_led_info_t *leds;
+       int num_led;
+};
+
+struct _default_led_info_t
+{
+       unsigned int color;
+};
+
 pui_backend_ani_data *g_ani_data = NULL;
 
 static pui_bool
@@ -91,10 +126,157 @@ _ani_stop(pui_ani_t *ani)
        return e;
 }
 
+static char *
+_read_json_file(const char *path, int *data_size)
+{
+       FILE *fp = fopen(path, "rb");
+       int size;
+       char *buffer;
+       ERROR_CHECK(fp, return NULL, "Failed to open file: %s\n", path);
+
+       fseek(fp, 0, SEEK_END);
+       size = ftell(fp);
+       fseek(fp, 0, SEEK_SET);
+
+       buffer = (char *)calloc(sizeof(char), size + 1);
+
+       if (fread(buffer, size, 1, fp) < 1) {
+               *data_size = 0;
+               free(buffer);
+               fclose(fp);
+               return NULL;
+       }
+
+       *data_size = size;
+       fclose(fp);
+       return buffer;
+}
+
+static default_ani_info *
+_read_json(const char *path)
+{
+       char *buffer, *type;
+       json_object *root_obj, *data_obj, *frame_obj, *frame_data_obj, *led_obj, *led_data_obj;
+       default_ani_info *ani_info = NULL;
+       int frame_id = 0, frame_len = 0, led_id = 0, led_len = 0;
+       int data_size = 0, i, j;
+
+       buffer = _read_json_file(path, &data_size);
+       ERROR_CHECK(buffer && data_size > 0, return EINA_FALSE, "File %s has no data\n", path);
+       root_obj = json_tokener_parse(buffer);
+       ERROR_CHECK(root_obj, goto error, "Failed to tokenize json object\n");
+
+       ani_info = (default_ani_info *)calloc(1, sizeof(default_ani_info));
+       ERROR_CHECK(ani_info, goto error, "Failed to alloc for animation info\n");
+
+       data_obj = json_object_object_get(root_obj, "type");
+       //printf("type: %s\n", json_object_get_string(data_obj));
+       type = (char *)json_object_get_string(data_obj);
+       ani_info->id = strndup(type, strlen(type));
+
+       data_obj = json_object_object_get(root_obj, "interval");
+       //printf("interval: %d\n", json_object_get_int(data_obj));
+       ani_info->interval = json_object_get_int(data_obj);
+
+       data_obj = json_object_object_get(root_obj, "frame");
+       frame_len = json_object_array_length(data_obj);
+
+       ani_info->num_key_frames = frame_len;
+       ani_info->frames = (default_frame_info_t *)calloc(sizeof(default_frame_info_t), frame_len);
+       ERROR_CHECK(ani_info->frames, goto error, "Failed to alloc for default_frame_info_t\n");
+       
+       for (i = 0; i < frame_len; i++) {
+               frame_obj = json_object_array_get_idx(data_obj, i);
+
+               frame_data_obj = json_object_object_get(frame_obj, "frame_id");
+               //printf("\tframe id: %d\n", json_object_get_int(frame_data_obj));
+               frame_id = json_object_get_int(frame_data_obj);
+
+               frame_data_obj = json_object_object_get(frame_obj, "led");
+               led_len = json_object_array_length(frame_data_obj);
+               
+               ani_info->frames[frame_id - 1].num_led = led_len;
+               ani_info->frames[frame_id - 1].leds = (default_led_info_t *)calloc(sizeof(default_led_info_t), led_len);
+               ERROR_CHECK(ani_info->frames[frame_id - 1].leds, goto error, "Failed to alloc for default_led_info_t\n");
+               
+               for (j = 0; j < led_len; j++) {
+                       led_obj = json_object_array_get_idx(frame_data_obj, j);
+
+                       led_data_obj = json_object_object_get(led_obj, "id");
+                       //printf("\t\tid: %2d  ", json_object_get_int(led_data_obj));
+                       led_id = json_object_get_int(led_data_obj);
+
+                       led_data_obj = json_object_object_get(led_obj, "color");
+                       //printf("color: %s\n", json_object_get_string(led_data_obj));
+                       ani_info->frames[frame_id - 1].leds[led_id - 1].color =
+                               strtol(json_object_get_string(led_data_obj), NULL, 16);
+               }
+       }
+
+       free(buffer);
+       return ani_info;
+
+error:
+       free(buffer);
+       if (ani_info) {
+               if (ani_info->frames) {
+                       for (i = 0; i < ani_info->num_key_frames; i++) {
+                               if (ani_info->frames[i].leds)
+                                       free(ani_info->frames[i].leds);
+                       }
+                       free(ani_info->frames);
+               }
+               free(ani_info->id);
+               free(ani_info);
+       }
+       return NULL;
+}
+
+static int
+_scandir_filter(const struct dirent *dirent)
+{
+       if (!strncmp(dirent->d_name, ".", sizeof(".")) ||
+               !strncmp(dirent->d_name, "..", sizeof("..")))
+               return 0;
+       if (!strstr(dirent->d_name, ".json"))
+               return 0;
+
+       return 1;
+}
+
+
 pui_int_error
 _create_ani_collection(void)
 {
        pui_int_error e = PUI_INT_ERROR_NONE;
+       default_ani_info *ani_info;
+       struct dirent **files;
+       int count, i;
+       char file_path[MAX_STR] = {0, };
+
+       // load and store all of animation data
+
+       if ((count = scandir(ANI_COLLECTION_DIR, &files, _scandir_filter, alphasort)) == -1) {
+               printf("Failed to get %s directory (%s)\n", ANI_COLLECTION_DIR, strerror(errno));
+               e = PUI_INT_ERROR_INVALID_RESOURCES;
+               return e;
+       }
+
+       for (i = 0; i < count; i++) {
+               snprintf(file_path, sizeof(file_path), "%s%s", ANI_COLLECTION_DIR, files[i]->d_name);
+
+               ani_info = _read_json(file_path);
+               if (ani_info) {
+                       eina_hash_add(_animations_hash, ani_info->id, ani_info);
+                       printf("Success to load %s animation\n", files[i]->d_name);
+               }
+               memset(file_path, 0, sizeof(file_path));
+       }
+
+       for (i = 0; i < count; i++) {
+               free(files[i]);
+       }
+       free(files);
 
        //TODO
 
@@ -105,13 +287,39 @@ pui_int_error
 _is_ani_supported(pui_id id)
 {
        pui_int_error e = PUI_INT_ERROR_NONE;
+       default_ani_info *ani_info;
 
        //TODO
        /* if the given id is not supported, return PUI_INT_ERROR_ID_NOT_SUPPORTED. */
+       if (!id) {
+               e = PUI_INT_ERROR_ID_NOT_SUPPORTED;
+               return e;
+       }
+       ani_info = eina_hash_find(_animations_hash, id);
+       if (!ani_info) e = PUI_INT_ERROR_ID_NOT_SUPPORTED;
 
        return e;
 }
 
+static void
+_ani_info_cleanup(default_ani_info *ani_info)
+{
+       int i;
+
+       if (!ani_info) return;
+
+       eina_hash_del(_animations_hash, ani_info->id, ani_info);
+       if (ani_info->frames) {
+               for (i = 0; i < ani_info->num_key_frames; i++) {
+                       if (ani_info->frames[i].leds)
+                               free(ani_info->frames[i].leds);
+               }
+               free(ani_info->frames);
+       }
+       free(ani_info->id);
+       free(ani_info);
+}
+
 pui_backend_ani_data *
 _ani_create(pui_id id)
 {
@@ -192,9 +400,7 @@ err:
 
        if (ani_info)
        {
-               //TODO : free if anything needs to be done with ani_info
-
-               free(ani_info);
+               _ani_info_cleanup(ani_info);
        }
 
        return NULL;
@@ -212,11 +418,23 @@ _ani_destroy(pui_backend_ani_data *ani_data)
        free(ani_data->ani_info);
 
        ani_data->ani_func = NULL;
-       ani_data->ani_info = NULL;
+       if (ani_data->ani_info) {
+               _ani_info_cleanup(ani_data->ani_info);
+               ani_data->ani_info = NULL;
+       }
 
        g_ani_data = NULL;
 }
 
+static void
+_animation_data_free_cb(void *data)
+{
+       int i;
+       default_ani_info *ani_info = (default_ani_info *)data;
+
+       _ani_info_cleanup(ani_info);
+}
+
 static pui_backend_module_data *
 pui_default_backend_init(void)
 {
@@ -236,6 +454,7 @@ pui_default_backend_init(void)
 
        /* Allocate backend specific data if needed. Now it will be empty. */
        backend_data->data = NULL;
+       _animations_hash = eina_hash_string_superfast_new(_animation_data_free_cb);
 
        return backend_data;
 }
@@ -263,8 +482,7 @@ pui_default_backend_deinit(pui_backend_module_data *backend_data)
 
                if (g_ani_data->ani_info)
                {
-                       //TODO : free if anything needs to be done with ani_info
-                       free(g_ani_data->ani_info);
+                       _ani_info_cleanup(g_ani_data->ani_info);
                        g_ani_data->ani_info = NULL;
                }
        }