src/lib/elc_naviframe.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5 typedef struct _Elm_Naviframe_Item Elm_Naviframe_Item;
   6 typedef struct _Elm_Naviframe_Content_Item_Pair Elm_Naviframe_Content_Item_Pair;
   7 typedef struct _Elm_Naviframe_Text_Item_Pair Elm_Naviframe_Text_Item_Pair;
   8
   9 struct _Widget_Data
  10 {
  11    Eina_Inlist  *stack;
  12    Evas_Object  *base;
  13    Evas_Object  *rect;
  14    Eina_Bool     preserve: 1;
  15    Eina_Bool     auto_pushed: 1;
  16    Eina_Bool     freeze_events: 1;
  17 };
  18
  19 struct _Elm_Naviframe_Content_Item_Pair
  20 {
  21    const char *part;
  22    Evas_Object *content;
  23    Elm_Naviframe_Item *it;
  24 };
  25
  26 struct _Elm_Naviframe_Text_Item_Pair
  27 {
  28    const char *part;
  29    const char *text;
  30 };
  31
  32 struct _Elm_Naviframe_Item
  33 {
  34    Elm_Widget_Item    base;
  35    EINA_INLIST;
  36    Eina_List         *content_list;
  37    Eina_List         *text_list;
  38    Evas_Object       *content;
  39    Evas_Object       *title_prev_btn;
  40    Evas_Object       *title_next_btn;
  41    const char        *style;
  42    Eina_Bool          back_btn: 1;
  43    Eina_Bool          title_visible: 1;
  44 };
  45
  46 static const char *widtype = NULL;
  47
  48 static const char SIG_TRANSITION_FINISHED[] = "transition,finished";
  49 static const char SIG_TITLE_CLICKED[] = "title,clicked";
  50
  51 static const Evas_Smart_Cb_Description _signals[] = {
  52        {SIG_TRANSITION_FINISHED, ""},
  53        {SIG_TITLE_CLICKED, ""},
  54        {NULL, NULL}
  55 };
  56
  57 static void _del_hook(Evas_Object *obj);
  58 static void _theme_hook(Evas_Object *obj);
  59 static void _emit_hook(Evas_Object *obj,
  60                        const char *emission,
  61                        const char *source);
  62 static void _disable_hook(Evas_Object *obj);
  63 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  64 static void _item_text_set_hook(Elm_Object_Item *it,
  65                                 const char *part,
  66                                 const char *label);
  67 static const char *_item_text_get_hook(const Elm_Object_Item *it,
  68                                        const char *part);
  69 static void _item_content_set_hook(Elm_Object_Item *it,
  70                                    const char *part,
  71                                    Evas_Object *content);
  72 static Evas_Object *_item_content_get_hook(const Elm_Object_Item *it,
  73                                            const char *part);
  74 static Evas_Object *_item_content_unset_hook(Elm_Object_Item *it,
  75                                              const char *part);
  76 static void _item_signal_emit_hook(Elm_Object_Item *it,
  77                                    const char *emission,
  78                                    const char *source);
  79 static void _sizing_eval(Evas_Object *obj);
  80 static void _item_sizing_eval(Elm_Naviframe_Item *it);
  81 static void _move(void *data, Evas *e, Evas_Object *obj, void *event_info);
  82 static void _resize(void *data,
  83                     Evas *e,
  84                     Evas_Object *obj,
  85                     void *event_info);
  86 static void _hide(void *data, Evas *e, Evas_Object *obj, void *event_info);
  87 static void _title_clicked(void *data, Evas_Object *obj,
  88                            const char *emission,
  89                            const char *source);
  90 static void _back_btn_clicked(void *data,
  91                               Evas_Object *obj,
  92                               void *event_info);
  93 static Evas_Object *_back_btn_new(Evas_Object *obj);
  94 static void _item_content_del(void *data,
  95                               Evas *e,
  96                               Evas_Object *obj,
  97                               void *event_info);
  98 static void _title_content_del(void *data,
  99                                Evas *e,
 100                                Evas_Object *obj,
 101                                void *event_info);
 102 static void _title_prev_btn_del(void *data,
 103                                 Evas *e,
 104                                 Evas_Object *obj,
 105                                 void *event_info);
 106 static void _title_next_btn_del(void *data,
 107                                 Evas *e,
 108                                 Evas_Object *obj,
 109                                 void *event_info);
 110 static void _title_content_set(Elm_Naviframe_Item *it,
 111                                Elm_Naviframe_Content_Item_Pair *pair,
 112                                const char *part,
 113                                Evas_Object *content);
 114 static void _title_prev_btn_set(Elm_Naviframe_Item *it,
 115                                 Evas_Object *btn,
 116                                 Eina_Bool back_btn);
 117 static void _title_next_btn_set(Elm_Naviframe_Item *it, Evas_Object *btn);
 118 static void _item_del(Elm_Naviframe_Item *it);
 119 static void _pushed_finished(void *data,
 120                              Evas_Object *obj,
 121                              const char *emission,
 122                              const char *source);
 123 static void _popped_finished(void *data,
 124                              Evas_Object *obj,
 125                              const char *emission,
 126                              const char *source);
 127 static void _show_finished(void *data,
 128                            Evas_Object *obj,
 129                            const char *emission,
 130                            const char *source);
 131 static void _item_content_set(Elm_Naviframe_Item *navi_it,
 132                               Evas_Object *content);
 133
 134 static void
 135 _del_hook(Evas_Object *obj)
 136 {
 137    Widget_Data *wd;
 138    Elm_Naviframe_Item *it;
 139
 140    wd = elm_widget_data_get(obj);
 141    if (!wd) return;
 142
 143    EINA_INLIST_REVERSE_FOREACH(wd->stack, it)
 144      _item_del(it);
 145    free(wd);
 146 }
 147
 148 static void
 149 _theme_hook(Evas_Object *obj)
 150 {
 151    //FIXME:
 152    _elm_widget_mirrored_reload(obj);
 153    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 154 }
 155
 156 static void _emit_hook(Evas_Object *obj,
 157                        const char *emission,
 158                        const char *source)
 159 {
 160    ELM_CHECK_WIDTYPE(obj, widtype);
 161
 162    Widget_Data *wd = elm_widget_data_get(obj);
 163    if (!wd) return;
 164
 165    edje_object_signal_emit(wd->base, emission, source);
 166 }
 167
 168 static void
 169 _disable_hook(Evas_Object *obj __UNUSED__)
 170 {
 171    //FIXME:
 172 }
 173
 174 static void
 175 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 176 {
 177    Widget_Data *wd;
 178    Elm_Naviframe_Item *it;
 179
 180    wd  = elm_widget_data_get(obj);
 181    if (!wd) return;
 182
 183    EINA_INLIST_FOREACH(wd->stack, it)
 184      edje_object_mirrored_set(it->base.view, rtl);
 185    edje_object_mirrored_set(wd->base, rtl);
 186 }
 187
 188 static void
 189 _item_text_set_hook(Elm_Object_Item *it,
 190                     const char *part,
 191                     const char *label)
 192 {
 193    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 194
 195    Eina_List *l = NULL;
 196    Elm_Naviframe_Text_Item_Pair *pair = NULL;
 197    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 198    char buf[1024];
 199
 200    if (!part)
 201      snprintf(buf, sizeof(buf), "elm.text.title");
 202    else
 203      snprintf(buf, sizeof(buf), "%s", part);
 204
 205    EINA_LIST_FOREACH(navi_it->text_list, l, pair)
 206      if (!strcmp(buf, pair->part)) break;
 207
 208    if (!pair)
 209      {
 210         pair = ELM_NEW(Elm_Naviframe_Text_Item_Pair);
 211         if (!pair)
 212           {
 213              ERR("Failed to allocate new text part of the item! : naviframe=%p",
 214              navi_it->base.widget);
 215              return;
 216           }
 217         eina_stringshare_replace(&pair->part, buf);
 218         navi_it->text_list = eina_list_append(navi_it->text_list, pair);
 219      }
 220
 221    eina_stringshare_replace(&pair->text, label);
 222    edje_object_part_text_set(navi_it->base.view, buf, label);
 223
 224    if (label)
 225      {
 226         snprintf(buf, sizeof(buf), "elm,state,%s,show", buf);
 227         edje_object_signal_emit(navi_it->base.view, buf, "elm");
 228      }
 229    else
 230      {
 231         snprintf(buf, sizeof(buf), "elm,state,%s,hide", buf);
 232         edje_object_signal_emit(navi_it->base.view, buf, "elm");
 233      }
 234
 235    _item_sizing_eval(navi_it);
 236 }
 237
 238 static const char *
 239 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
 240 {
 241    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 242    Eina_List *l = NULL;
 243    Elm_Naviframe_Text_Item_Pair *pair = NULL;
 244    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 245    char buf[1024];
 246
 247    if (!part)
 248      snprintf(buf, sizeof(buf), "elm.text.title");
 249    else
 250      snprintf(buf, sizeof(buf), "%s", part);
 251
 252    EINA_LIST_FOREACH(navi_it->text_list, l, pair)
 253      {
 254         if (!strcmp(buf, pair->part))
 255           return pair->text;
 256      }
 257    return NULL;
 258 }
 259
 260 static void
 261 _item_content_set_hook(Elm_Object_Item *it,
 262                        const char *part,
 263                        Evas_Object *content)
 264 {
 265    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 266
 267    Elm_Naviframe_Content_Item_Pair *pair = NULL;
 268    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 269
 270    //specified parts
 271    if ((!part) || (!strcmp(part, "elm.swallow.content")))
 272      {
 273         _item_content_set(navi_it, content);
 274         return;
 275      }
 276    else if (!strcmp(part, "elm.swallow.prev_btn"))
 277      {
 278         _title_prev_btn_set(navi_it, content, EINA_FALSE);
 279         return;
 280      }
 281    else if(!strcmp(part, "elm.swallow.next_btn"))
 282      {
 283         _title_next_btn_set(navi_it, content);
 284         return;
 285      }
 286
 287    //common part
 288    _title_content_set(navi_it, pair, part, content);
 289 }
 290
 291 static Evas_Object *
 292 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
 293 {
 294    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 295    Eina_List *l = NULL;
 296    Elm_Naviframe_Content_Item_Pair *pair = NULL;
 297    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 298
 299    //specified parts
 300    if ((!part) || (!strcmp(part, "elm.swallow.content")))
 301      return navi_it->content;
 302    else if (!strcmp(part, "elm.swallow.prev_btn"))
 303      return navi_it->title_prev_btn;
 304    else if(!strcmp(part, "elm.swallow.next_btn"))
 305      return navi_it->title_next_btn;
 306
 307    //common parts
 308    EINA_LIST_FOREACH(navi_it->content_list, l, pair)
 309      {
 310         if (!strcmp(part, pair->part))
 311           return pair->content;
 312      }
 313    return NULL;
 314 }
 315
 316 static Evas_Object *
 317 _item_content_unset_hook(Elm_Object_Item *it, const char *part)
 318 {
 319    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 320    Eina_List *l = NULL;
 321    Elm_Naviframe_Content_Item_Pair *pair = NULL;
 322    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 323    Evas_Object *content = NULL;
 324    char buf[1028];
 325
 326    //specified parts
 327    //FIXME: could be unset the below specified contents also.
 328    if (!part ||
 329        !strcmp(part, "elm.swallow.content") ||
 330        !strcmp(part, "elm.swallow.prev_btn") ||
 331        !strcmp(part, "elm.swallow.next_btn"))
 332      {
 333         WRN("You can not unset the content! : naviframe=%p",
 334             navi_it->base.widget);
 335         return NULL;
 336      }
 337
 338    //common parts
 339    EINA_LIST_FOREACH(navi_it->content_list, l, pair)
 340      {
 341         if (!strcmp(part, pair->part))
 342           {
 343              content = pair->content;
 344              eina_stringshare_del(pair->part);
 345              navi_it->content_list = eina_list_remove(navi_it->content_list,
 346                                                       pair);
 347              free(pair);
 348              break;
 349           }
 350      }
 351
 352    if (!content) return NULL;
 353
 354    elm_widget_sub_object_del(navi_it->base.widget, content);
 355    edje_object_part_unswallow(navi_it->base.view, content);
 356    snprintf(buf, sizeof(buf), "elm,state,%s,hide", part);
 357    edje_object_signal_emit(navi_it->base.view, buf, "elm");
 358    evas_object_event_callback_del(content,
 359                                   EVAS_CALLBACK_DEL,
 360                                   _title_content_del);
 361    _item_sizing_eval(navi_it);
 362
 363    return content;
 364 }
 365
 366 static void
 367 _item_signal_emit_hook(Elm_Object_Item *it,
 368                        const char *emission,
 369                        const char *source)
 370 {
 371    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 372    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 373    edje_object_signal_emit(navi_it->base.view, emission, source);
 374 }
 375
 376 static void
 377 _sizing_eval(Evas_Object *obj)
 378 {
 379    Widget_Data *wd;
 380    Elm_Naviframe_Item *it;
 381    wd  = elm_widget_data_get(obj);
 382    if (!wd) return;
 383
 384    EINA_INLIST_FOREACH(wd->stack, it)
 385      _item_sizing_eval(it);
 386 }
 387
 388 static void
 389 _item_sizing_eval(Elm_Naviframe_Item *it)
 390 {
 391    Widget_Data *wd;
 392    Evas_Coord x, y, w, h;
 393    if (!it) return;
 394
 395    wd = elm_widget_data_get(it->base.widget);
 396    if (!wd) return;
 397
 398    evas_object_geometry_get(it->base.widget, &x, &y, &w, &h);
 399    evas_object_move(it->base.view, x, y);
 400    evas_object_resize(it->base.view, w, h);
 401 }
 402
 403 static void
 404 _move(void *data __UNUSED__,
 405       Evas *e __UNUSED__,
 406       Evas_Object *obj,
 407       void *event_info __UNUSED__)
 408 {
 409    Evas_Coord x, y;
 410    Widget_Data *wd = elm_widget_data_get(obj);
 411    if (!wd) return;
 412
 413    evas_object_geometry_get(obj, &x, &y, NULL, NULL);
 414    evas_object_move(wd->rect, x, y);
 415
 416    _sizing_eval(obj);
 417 }
 418
 419 static void
 420 _resize(void *data __UNUSED__,
 421         Evas *e __UNUSED__,
 422         Evas_Object *obj,
 423         void *event_info __UNUSED__)
 424 {
 425    Evas_Coord w, h;
 426    Widget_Data *wd = elm_widget_data_get(obj);
 427    if (!wd) return;
 428
 429    evas_object_geometry_get(obj, NULL, NULL, &w, &h);
 430    evas_object_resize(wd->rect, w, h);
 431
 432    _sizing_eval(obj);
 433 }
 434
 435 static void
 436 _hide(void *data __UNUSED__,
 437       Evas *e __UNUSED__,
 438       Evas_Object *obj,
 439       void *event_info __UNUSED__)
 440 {
 441    Widget_Data *wd = elm_widget_data_get(obj);
 442    if (!wd) return;
 443    if (wd->freeze_events)
 444      evas_object_hide(wd->rect);
 445 }
 446
 447 static void
 448 _title_clicked(void *data,
 449                Evas_Object *obj __UNUSED__,
 450                const char *emission __UNUSED__,
 451                const char *source __UNUSED__)
 452 {
 453    Elm_Naviframe_Item *it = data;
 454    evas_object_smart_callback_call(it->base.widget, SIG_TITLE_CLICKED, it);
 455 }
 456
 457 static void
 458 _back_btn_clicked(void *data,
 459                   Evas_Object *obj __UNUSED__,
 460                   void *event_info __UNUSED__)
 461 {
 462    elm_naviframe_item_pop(data);
 463 }
 464
 465 static Evas_Object *
 466 _back_btn_new(Evas_Object *obj)
 467 {
 468    Evas_Object *btn;
 469    char buf[1024];
 470    btn = elm_button_add(obj);
 471    if (!btn) return NULL;
 472    evas_object_smart_callback_add(btn, "clicked", _back_btn_clicked, obj);
 473    snprintf(buf, sizeof(buf), "naviframe/back_btn/%s", elm_widget_style_get(obj));
 474    elm_object_style_set(btn, buf);
 475    return btn;
 476 }
 477
 478 static void
 479 _title_content_del(void *data,
 480                    Evas *e __UNUSED__,
 481                    Evas_Object *obj __UNUSED__,
 482                    void *event_info __UNUSED__)
 483 {
 484    char buf[1024];
 485    Elm_Naviframe_Content_Item_Pair *pair = data;
 486    Elm_Naviframe_Item *it = pair->it;
 487    snprintf(buf, sizeof(buf), "elm,state,%s,hide", pair->part);
 488    edje_object_signal_emit(it->base.view, buf, "elm");
 489    it->content_list = eina_list_remove(it->content_list, pair);
 490    eina_stringshare_del(pair->part);
 491    free(pair);
 492 }
 493
 494 static void
 495 _title_prev_btn_del(void *data,
 496                     Evas *e __UNUSED__,
 497                     Evas_Object *obj __UNUSED__,
 498                     void *event_info __UNUSED__)
 499 {
 500    Elm_Naviframe_Item *it = data;
 501    it->back_btn = EINA_FALSE;
 502    it->title_prev_btn = NULL;
 503    edje_object_signal_emit(it->base.view, "elm,state,prev_btn,hide", "elm");
 504 }
 505
 506 static void
 507 _title_next_btn_del(void *data,
 508                     Evas *e __UNUSED__,
 509                     Evas_Object *obj __UNUSED__,
 510                     void *event_info __UNUSED__)
 511 {
 512    Elm_Naviframe_Item *it = data;
 513    it->title_next_btn = NULL;
 514    edje_object_signal_emit(it->base.view, "elm,state,next_btn,hide", "elm");
 515 }
 516
 517 static void
 518 _item_content_del(void *data,
 519                   Evas *e __UNUSED__,
 520                   Evas_Object *obj __UNUSED__,
 521                   void *event_info __UNUSED__)
 522 {
 523    Elm_Naviframe_Item *it = data;
 524    it->content = NULL;
 525    edje_object_signal_emit(it->base.view, "elm,state,content,hide", "elm");
 526 }
 527
 528 static void
 529 _title_content_set(Elm_Naviframe_Item *it,
 530                    Elm_Naviframe_Content_Item_Pair *pair,
 531                    const char *part,
 532                    Evas_Object *content)
 533 {
 534    Eina_List *l = NULL;
 535    char buf[1024];
 536
 537    EINA_LIST_FOREACH(it->content_list, l, pair)
 538      if (!strcmp(part, pair->part)) break;
 539
 540    if (!pair)
 541      {
 542         pair = ELM_NEW(Elm_Naviframe_Content_Item_Pair);
 543         if (!pair)
 544           {
 545              ERR("Failed to allocate new content part of the item! : naviframe=%p", it->base.widget);
 546              return;
 547           }
 548         pair->it = it;
 549         eina_stringshare_replace(&pair->part, part);
 550         it->content_list = eina_list_append(it->content_list, pair);
 551      }
 552
 553    if ((pair->content) && (pair->content != content))
 554      evas_object_del(pair->content);
 555
 556    if (!content)
 557      {
 558         snprintf(buf, sizeof(buf), "elm,state,%s,hide", part);
 559         edje_object_signal_emit(it->base.view, buf, "elm");
 560         pair->content = NULL;
 561         return;
 562      }
 563
 564    if (pair->content != content)
 565      {
 566         elm_widget_sub_object_add(it->base.widget, content);
 567         evas_object_event_callback_add(content,
 568                                        EVAS_CALLBACK_DEL,
 569                                        _title_content_del,
 570                                        pair);
 571      }
 572
 573    pair->content = content;
 574
 575    edje_object_part_swallow(it->base.view, part, content);
 576    snprintf(buf, sizeof(buf), "elm,state,%s,show", part);
 577    edje_object_signal_emit(it->base.view, buf, "elm");
 578    _item_sizing_eval(it);
 579 }
 580
 581 static void
 582 _title_prev_btn_set(Elm_Naviframe_Item *it,
 583                     Evas_Object *btn,
 584                     Eina_Bool back_btn)
 585 {
 586    if (it->title_prev_btn == btn) return;
 587
 588    if (it->title_prev_btn)
 589      evas_object_del(it->title_prev_btn);
 590
 591    it->title_prev_btn = btn;
 592
 593    if (!btn)
 594      {
 595         edje_object_signal_emit(it->base.view,
 596                                 "elm,state,prev_btn,hide",
 597                                 "elm");
 598         return;
 599      }
 600
 601    elm_widget_sub_object_add(it->base.widget, btn);
 602    evas_object_event_callback_add(btn,
 603                                   EVAS_CALLBACK_DEL,
 604                                   _title_prev_btn_del,
 605                                   it);
 606    edje_object_part_swallow(it->base.view, "elm.swallow.prev_btn", btn);
 607    edje_object_signal_emit(it->base.view, "elm,state,prev_btn,show", "elm");
 608    it->back_btn = back_btn;
 609
 610    _item_sizing_eval(it);
 611 }
 612
 613 static void
 614 _title_next_btn_set(Elm_Naviframe_Item *it, Evas_Object *btn)
 615 {
 616    if (it->title_next_btn == btn) return;
 617
 618    if (it->title_next_btn)
 619      evas_object_del(it->title_next_btn);
 620
 621    it->title_next_btn = btn;
 622
 623    if (!btn)
 624      {
 625         edje_object_signal_emit(it->base.view,
 626                                 "elm,state,next_btn,hide",
 627                                 "elm");
 628         return;
 629      }
 630
 631    elm_widget_sub_object_add(it->base.widget, btn);
 632    evas_object_event_callback_add(btn,
 633                                   EVAS_CALLBACK_DEL,
 634                                   _title_next_btn_del,
 635                                   it);
 636    edje_object_part_swallow(it->base.view, "elm.swallow.next_btn", btn);
 637    edje_object_signal_emit(it->base.view, "elm,state,next_btn,show", "elm");
 638
 639    _item_sizing_eval(it);
 640 }
 641
 642 static void
 643 _item_del(Elm_Naviframe_Item *it)
 644 {
 645    Widget_Data *wd;
 646    Eina_List *l;
 647    Elm_Naviframe_Content_Item_Pair *content_pair;
 648    Elm_Naviframe_Text_Item_Pair *text_pair;
 649
 650    if (!it) return;
 651
 652    wd = elm_widget_data_get(it->base.widget);
 653    if (!wd) return;
 654
 655    if (it->title_prev_btn)
 656      evas_object_del(it->title_prev_btn);
 657    if (it->title_next_btn)
 658      evas_object_del(it->title_next_btn);
 659    if ((it->content) && (!wd->preserve))
 660      evas_object_del(it->content);
 661
 662    EINA_LIST_FOREACH(it->content_list, l, content_pair)
 663      {
 664         evas_object_event_callback_del(content_pair->content, EVAS_CALLBACK_DEL, _title_content_del);
 665         evas_object_del(content_pair->content);
 666         eina_stringshare_del(content_pair->part);
 667         free(content_pair);
 668      }
 669
 670    EINA_LIST_FOREACH(it->text_list, l, text_pair)
 671      {
 672         eina_stringshare_del(text_pair->part);
 673         eina_stringshare_del(text_pair->text);
 674         free(text_pair);
 675      }
 676
 677    eina_list_free(it->content_list);
 678    eina_list_free(it->text_list);
 679
 680    wd->stack = eina_inlist_remove(wd->stack, EINA_INLIST_GET(it));
 681
 682    elm_widget_item_del(it);
 683 }
 684
 685 static void
 686 _pushed_finished(void *data,
 687                  Evas_Object *obj __UNUSED__,
 688                  const char *emission __UNUSED__,
 689                  const char *source __UNUSED__)
 690 {
 691    Elm_Naviframe_Item *it = data;
 692    if (!it) return;
 693    evas_object_hide(it->base.view);
 694 }
 695
 696 static void
 697 _popped_finished(void *data,
 698                  Evas_Object *obj __UNUSED__,
 699                  const char *emission __UNUSED__,
 700                  const char *source __UNUSED__)
 701 {
 702    _item_del(data);
 703 }
 704
 705 static void
 706 _show_finished(void *data,
 707                Evas_Object *obj __UNUSED__,
 708                const char *emission __UNUSED__,
 709                const char *source __UNUSED__)
 710 {
 711    Elm_Naviframe_Item *it;
 712    Widget_Data *wd;
 713
 714    it = data;
 715    if (!it) return;
 716    wd =  elm_widget_data_get(it->base.widget);
 717    if (!wd) return;
 718
 719    evas_object_smart_callback_call(it->base.widget,
 720                                    SIG_TRANSITION_FINISHED,
 721                                    (void *) EINA_TRUE);
 722    if (wd->freeze_events)
 723      evas_object_hide(wd->rect);
 724 }
 725
 726 static void
 727 _item_content_set(Elm_Naviframe_Item *navi_it, Evas_Object *content)
 728 {
 729    if (navi_it->content == content) return;
 730    if (navi_it->content) evas_object_del(navi_it->content);
 731    elm_widget_sub_object_add(navi_it->base.widget, content);
 732    edje_object_part_swallow(navi_it->base.view,
 733                             "elm.swallow.content",
 734                             content);
 735    if (content)
 736      edje_object_signal_emit(navi_it->base.view,
 737                              "elm,state,content,show",
 738                              "elm");
 739    else
 740      edje_object_signal_emit(navi_it->base.view,
 741                              "elm,state,content,hide",
 742                              "elm");
 743    evas_object_event_callback_add(content,
 744                                   EVAS_CALLBACK_DEL,
 745                                   _item_content_del,
 746                                   navi_it);
 747    navi_it->content = content;
 748    _item_sizing_eval(navi_it);
 749 }
 750
 751 EAPI Evas_Object *
 752 elm_naviframe_add(Evas_Object *parent)
 753 {
 754    Evas_Object *obj;
 755    Evas *e;
 756    Widget_Data *wd;
 757
 758    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 759    ELM_SET_WIDTYPE(widtype, "naviframe");
 760    elm_widget_type_set(obj, "naviframe");
 761    elm_widget_sub_object_add(parent, obj);
 762    elm_widget_data_set(obj, wd);
 763    elm_widget_del_hook_set(obj, _del_hook);
 764    elm_widget_disable_hook_set(obj, _disable_hook);
 765    elm_widget_theme_hook_set(obj, _theme_hook);
 766    elm_widget_signal_emit_hook_set(obj, _emit_hook);
 767
 768    //base
 769    wd->base = edje_object_add(e);
 770    edje_object_mirrored_set(wd->base, elm_widget_mirrored_get(obj));
 771    elm_widget_resize_object_set(obj, wd->base);
 772    _elm_theme_object_set(obj, wd->base, "naviframe", "base", "default");
 773
 774    //rect
 775    wd->rect = evas_object_rectangle_add(e);
 776    evas_object_color_set(wd->rect, 0, 0, 0, 0);
 777    elm_widget_sub_object_add(obj, wd->rect);
 778
 779    evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE, _move, obj);
 780    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, obj);
 781    evas_object_event_callback_add(obj, EVAS_CALLBACK_HIDE, _hide, obj);
 782    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 783
 784    wd->auto_pushed = EINA_TRUE;
 785    wd->freeze_events = EINA_TRUE;
 786
 787    return obj;
 788 }
 789
 790 EAPI Elm_Object_Item *
 791 elm_naviframe_item_push(Evas_Object *obj,
 792                         const char *title_label,
 793                         Evas_Object *prev_btn,
 794                         Evas_Object *next_btn,
 795                         Evas_Object *content,
 796                         const char *item_style)
 797 {
 798    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 799    Widget_Data *wd;
 800    Elm_Naviframe_Item *prev_it, *it;
 801
 802    wd = elm_widget_data_get(obj);
 803    if (!wd) return NULL;
 804
 805    //create item
 806    it = elm_widget_item_new(obj, Elm_Naviframe_Item);
 807    if (!it)
 808      {
 809         ERR("Failed to allocate new item! : naviframe=%p", obj);
 810         return NULL;
 811      }
 812
 813    elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
 814    elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
 815    elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
 816    elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
 817    elm_widget_item_content_unset_hook_set(it, _item_content_unset_hook);
 818    elm_widget_item_signal_emit_hook_set(it, _item_signal_emit_hook);
 819
 820    //item base layout
 821    it->base.view = edje_object_add(evas_object_evas_get(obj));
 822    edje_object_mirrored_set(it->base.view, elm_widget_mirrored_get(obj));
 823    evas_object_smart_member_add(it->base.view, wd->base);
 824    elm_widget_sub_object_add(obj, it->base.view);
 825    edje_object_signal_callback_add(it->base.view,
 826                                    "elm,action,show,finished",
 827                                    "",
 828                                    _show_finished, it);
 829    edje_object_signal_callback_add(it->base.view,
 830                                    "elm,action,pushed,finished",
 831                                    "",
 832                                    _pushed_finished, it);
 833    edje_object_signal_callback_add(it->base.view,
 834                                    "elm,action,popped,finished",
 835                                    "",
 836                                    _popped_finished, it);
 837    edje_object_signal_callback_add(it->base.view,
 838                                    "elm,action,title,clicked",
 839                                    "",
 840                                    _title_clicked, it);
 841
 842    elm_naviframe_item_style_set(ELM_CAST(it), item_style);
 843
 844    _item_text_set_hook(ELM_CAST(it), "elm.text.title", title_label);
 845
 846    //title buttons
 847    if ((!prev_btn) && wd->auto_pushed && eina_inlist_count(wd->stack))
 848      {
 849         prev_btn = _back_btn_new(obj);
 850         _title_prev_btn_set(it, prev_btn, EINA_TRUE);
 851      }
 852    else
 853      _title_prev_btn_set(it, prev_btn, EINA_FALSE);
 854
 855    _title_next_btn_set(it, next_btn);
 856
 857    _item_content_set(it, content);
 858
 859    _item_sizing_eval(it);
 860    evas_object_show(it->base.view);
 861
 862    prev_it = ELM_CAST(elm_naviframe_top_item_get(obj));
 863    if (prev_it)
 864      {
 865         if (wd->freeze_events)
 866           evas_object_show(wd->rect);
 867         edje_object_signal_emit(prev_it->base.view,
 868                                 "elm,state,cur,pushed",
 869                                 "elm");
 870         edje_object_signal_emit(it->base.view,
 871                                 "elm,state,new,pushed",
 872                                 "elm");
 873      }
 874    it->title_visible = EINA_TRUE;
 875    wd->stack = eina_inlist_append(wd->stack, EINA_INLIST_GET(it));
 876    return ELM_CAST(it);
 877 }
 878
 879 EAPI Evas_Object *
 880 elm_naviframe_item_pop(Evas_Object *obj)
 881 {
 882    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 883    Elm_Naviframe_Item *it, *prev_it = NULL;
 884    Widget_Data *wd;
 885    Evas_Object *content = NULL;
 886
 887    wd = elm_widget_data_get(obj);
 888    if (!wd) return NULL;
 889
 890    it = ELM_CAST(elm_naviframe_top_item_get(obj));
 891    if (!it) return NULL;
 892    if (wd->preserve)
 893      content = it->content;
 894
 895    if (wd->stack->last->prev)
 896      prev_it = EINA_INLIST_CONTAINER_GET(wd->stack->last->prev,
 897                                          Elm_Naviframe_Item);
 898    if (prev_it)
 899      {
 900         if (wd->freeze_events)
 901           evas_object_show(wd->rect);
 902         edje_object_signal_emit(it->base.view, "elm,state,cur,popped", "elm");
 903         evas_object_show(prev_it->base.view);
 904         evas_object_raise(prev_it->base.view);
 905         edje_object_signal_emit(prev_it->base.view,
 906                                 "elm,state,prev,popped",
 907                                 "elm");
 908      }
 909    else
 910      _item_del(it);
 911
 912    return content;
 913 }
 914
 915 EAPI void
 916 elm_naviframe_item_pop_to(Elm_Object_Item *it)
 917 {
 918    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 919    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 920    Widget_Data *wd = elm_widget_data_get(navi_it->base.widget);
 921    Eina_Inlist *l, *prev_l;
 922
 923    if (it == elm_naviframe_top_item_get(navi_it->base.widget)) return;
 924
 925    l = wd->stack->last->prev;
 926
 927    while(l)
 928      {
 929         if (ELM_CAST(EINA_INLIST_CONTAINER_GET(l, Elm_Naviframe_Item)) == it)
 930           break;
 931         prev_l = l->prev;
 932         _item_del(EINA_INLIST_CONTAINER_GET(l, Elm_Naviframe_Item));
 933         l = prev_l;
 934      }
 935    elm_naviframe_item_pop(navi_it->base.widget);
 936 }
 937
 938 EAPI void
 939 elm_naviframe_item_del(Elm_Object_Item *it)
 940 {
 941    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 942    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 943    Widget_Data *wd = elm_widget_data_get(navi_it->base.widget);
 944    if (it == elm_naviframe_top_item_get(navi_it->base.widget))
 945      {
 946         _item_del(navi_it);
 947         navi_it = ELM_CAST(EINA_INLIST_CONTAINER_GET(wd->stack->last, Elm_Naviframe_Item));
 948         evas_object_show(navi_it->base.view);
 949         evas_object_raise(navi_it->base.view);
 950         edje_object_signal_emit(navi_it->base.view, "elm,state,visible", "elm");
 951      }
 952    else
 953      _item_del(navi_it);
 954 }
 955
 956 EAPI void
 957 elm_naviframe_content_preserve_on_pop_set(Evas_Object *obj, Eina_Bool preserve)
 958 {
 959    ELM_CHECK_WIDTYPE(obj, widtype);
 960    Widget_Data *wd = elm_widget_data_get(obj);
 961    if (!wd) return;
 962    wd->preserve = !!preserve;
 963 }
 964
 965 EAPI Eina_Bool
 966 elm_naviframe_content_preserve_on_pop_get(const Evas_Object *obj)
 967 {
 968    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 969    Widget_Data *wd = elm_widget_data_get(obj);
 970    if (!wd) return EINA_FALSE;
 971    return wd->preserve;
 972 }
 973
 974 EAPI Elm_Object_Item*
 975 elm_naviframe_top_item_get(const Evas_Object *obj)
 976 {
 977    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 978    Widget_Data *wd = elm_widget_data_get(obj);
 979    if ((!wd) || (!wd->stack)) return NULL;
 980    return ELM_CAST(EINA_INLIST_CONTAINER_GET(wd->stack->last,
 981                                              Elm_Naviframe_Item));
 982 }
 983
 984 EAPI Elm_Object_Item*
 985 elm_naviframe_bottom_item_get(const Evas_Object *obj)
 986 {
 987    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 988    Widget_Data *wd = elm_widget_data_get(obj);
 989    if ((!wd) || (!wd->stack)) return NULL;
 990    return ELM_CAST(EINA_INLIST_CONTAINER_GET(wd->stack,
 991                                              Elm_Naviframe_Item));
 992 }
 993
 994 EAPI void
 995 elm_naviframe_item_style_set(Elm_Object_Item *it, const char *item_style)
 996 {
 997    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 998    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
 999    Eina_List *l;
1000    Elm_Naviframe_Content_Item_Pair *content_pair;
1001    Elm_Naviframe_Text_Item_Pair *text_pair;
1002    Widget_Data *wd;
1003
1004    char buf[256];
1005
1006    if (!item_style) sprintf(buf, "item/basic");
1007    else
1008      {
1009         if (strlen(item_style) > sizeof(buf))
1010           WRN("too much long style name! : naviframe=%p", navi_it->base.widget);
1011         sprintf(buf, "item/%s", item_style);
1012      }
1013    _elm_theme_object_set(navi_it->base.widget,
1014                          navi_it->base.view,
1015                          "naviframe",
1016                          buf,
1017                          elm_widget_style_get(navi_it->base.widget));
1018    //recover item
1019    EINA_LIST_FOREACH(navi_it->text_list, l, text_pair)
1020      _item_text_set_hook(it, text_pair->part, text_pair->text);
1021
1022    EINA_LIST_FOREACH(navi_it->content_list, l, content_pair)
1023      _item_content_set_hook(it, content_pair->part, content_pair->content);
1024
1025    //content
1026    if (navi_it->content)
1027      {
1028         edje_object_part_swallow(navi_it->base.view,
1029                                  "elm.swallow.content",
1030                                  navi_it->content);
1031         edje_object_signal_emit(navi_it->base.view,
1032                                 "elm,state,content,show",
1033                                 "elm");
1034      }
1035
1036    //prev button
1037    if (navi_it->title_prev_btn)
1038      edje_object_part_swallow(navi_it->base.view,
1039                               "elm.swallow.prev_btn",
1040                               navi_it->title_prev_btn);
1041
1042    //next button
1043    if (navi_it->title_next_btn)
1044      edje_object_part_swallow(navi_it->base.view,
1045                               "elm.swallow.next_btn",
1046                               navi_it->title_next_btn);
1047
1048    navi_it->title_visible = EINA_TRUE;
1049    _item_sizing_eval(navi_it);
1050
1051    wd = elm_widget_data_get(navi_it->base.widget);
1052    if (wd && wd->freeze_events)
1053      evas_object_hide(wd->rect);
1054 }
1055
1056 EAPI const char *
1057 elm_naviframe_item_style_get(const Elm_Object_Item *it)
1058 {
1059    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1060    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
1061    return navi_it->style;
1062 }
1063
1064 EAPI void
1065 elm_naviframe_item_title_visible_set(Elm_Object_Item *it, Eina_Bool visible)
1066 {
1067    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
1068    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
1069
1070    visible = !!visible;
1071    if (navi_it->title_visible == visible) return;
1072
1073    if (visible)
1074      edje_object_signal_emit(navi_it->base.view, "elm,state,title,show", "elm");
1075    else
1076      edje_object_signal_emit(navi_it->base.view, "elm,state,title,hide", "elm");
1077
1078    navi_it->title_visible = visible;
1079 }
1080
1081 EAPI Eina_Bool
1082 elm_naviframe_item_title_visible_get(const Elm_Object_Item *it)
1083 {
1084    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
1085    Elm_Naviframe_Item *navi_it = ELM_CAST(it);
1086    return navi_it->title_visible;
1087 }
1088
1089 EAPI void
1090 elm_naviframe_prev_btn_auto_pushed_set(Evas_Object *obj, Eina_Bool auto_pushed)
1091 {
1092    ELM_CHECK_WIDTYPE(obj, widtype);
1093    Widget_Data *wd = elm_widget_data_get(obj);
1094    if (!wd) return;
1095    wd->auto_pushed = !!auto_pushed;
1096 }
1097
1098 EAPI Eina_Bool
1099 elm_naviframe_prev_btn_auto_pushed_get(const Evas_Object *obj)
1100 {
1101    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1102    Widget_Data *wd = elm_widget_data_get(obj);
1103    if (!wd) return EINA_FALSE;
1104    return wd->auto_pushed;
1105 }
1106