js/vc-webview.js

   1 /**
   2  *   Copyright 2017 Samsung Electronics Co., Ltd.
   3  *
   4  *   Licensed under the Flora License, Version 1.1 (the "License");
   5  *   you may not use this file except in compliance with the License.
   6  *   You may obtain a copy of the License at
   7  *
   8  *       http://floralicense.org/license/
   9  *
  10  *   Unless required by applicable law or agreed to in writing, software
  11  *   distributed under the License is distributed on an "AS IS" BASIS,
  12  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *   See the License for the specific language governing permissions and
  14  *   limitations under the License.
  15  */
  16
  17 /**
  18  * vc-webview.js
  19  *
  20  *  This source code is a base script of web voice touch.
  21  */
  22
  23  /**
  24  * vc_docs holds analysed documents' first hint number and last hint number
  25  * @member doc  document elements.
  26  * @member start  the first tooltip number in @doc.
  27  * @member end  the last tooltip number in @doc.
  28  */
  29 var vc_docs = [],
  30
  31 vc_conflict_timer = null,
  32
  33 /**
  34  * vc_conflict_links holds references to links that match the same keyword
  35  */
  36 vc_conflict_links = [];
  37
  38 /**
  39  * vc_scr holds info about screen and website
  40  * @member top  coordinate of the top boundary.
  41  * @member left  coordinate of the left boundary.
  42  * @member bottom  coordinate of the bottom boundary.
  43  * @member right  coordinate of the right boundary.
  44  */
  45 var vc_scr = {
  46         top : 0,
  47         left : 0,
  48         bottom : window.innerHeight,
  49         right : window.innerWidth
  50 },
  51
  52 /**
  53  * vc_xpath_query is a query that processes DOM tree to get clickable objects.
  54  * It analyses HTML tree as it is XML and returns matching objects in one of selected forms.
  55  */
  56 vc_xpath_query = ".//xhtml:input[not(@type='hidden')] | .//xhtml:a | .//xhtml:area | .//xhtml:textarea | .//xhtml:button | .//xhtml:*[" +
  57         "@role='link' or @role='button' or @role='checkbox' or @role='combobox' or @role='radio'] |" +
  58         " .//xhtml:div[contains(@class, 'ui-btn')] | .//xhtml:div[contains(@class, 'sideBarButton')] | .//xhtml:div[contains(@class, 'buttonCaption')]",
  59
  60 /**
  61  * vc_page_hints holds all hints on website
  62  */
  63 vc_page_hints = [],
  64
  65 /**
  66  * vc_hint_div is a DIV that gathers all hints
  67  */
  68 vc_hint_div,
  69
  70 /**
  71  * vc_high_div is a DIV that gathers red highlight boxes
  72  */
  73 vc_high_div,
  74
  75 /**
  76  * vc_hint_num is used to numerate hints from 1 on every screen they're displayed
  77  */
  78 vc_hint_num,
  79
  80 /**
  81  * vc_visible_hints holds all hints that are currently visible
  82  */
  83 vc_visible_hints = [],
  84
  85 /**
  86  * vc_bad_iframes holds iframes that should be highlighted with red color
  87  */
  88 vc_bad_iframes = [],
  89
  90 /**
  91  * vc_log_area is a textarea element for log texts.
  92  */
  93 vc_log_area = document.createElement('textarea'),
  94
  95 /**
  96  * vc_html_area is a textarea element to read raw source code of html document in TV.
  97  */
  98 vc_html_area = undefined,
  99
 100 /**
 101  * vc_asr_result is a div element shows the asr result for debugging.
 102  */
 103 vc_asr_result = undefined,
 104
 105 /**
 106  * vc_rec_result is a div element shows the recognition result of document searching for debugging.
 107  */
 108 vc_rec_result = undefined,
 109
 110 /**
 111  * vc_flag_log is a flag variable. If it is true, vc_log_area is created. Otherwise, vc_log_area is nothing.
 112  */
 113 vc_flag_log = false,
 114
 115 /**
 116  * vc_all_elem is a array that includes whole element in html document for text searching.
 117  */
 118 vc_all_elem = undefined,
 119
 120 /**
 121  * vc_flag_conflict is a flag variable. When multiple elements are selected, it is true. Otherwise, it is false.
 122  */
 123 vc_flag_conflict = false,
 124
 125 /**
 126  * vc_flag_hint_exist is a flag variable. When tooltips are already exist, it is true. Otherwise, it is false.
 127  */
 128 vc_flag_hint_exist = false,
 129
 130 /**
 131  * vc_flag_make_tooltip is a flag variable. When creating tooltip is set, it is true. Otherwise, it is false.
 132  */
 133 vc_flag_make_tooltip = true,
 134
 135 /**
 136  * vc_text_indicators is an array that contains text indicator elements
 137  */
 138 vc_text_indicators = [],
 139
 140 /**
 141  * vc_made_hint shows the state tooltip making.
 142  */
 143 vc_made_hint = false,
 144
 145 /**
 146  * vc_tag_index stores index number of the set of tooltips in web page.
 147  * this variable prevents making duplicated tooltips.
 148  */
 149 vc_tag_index = 0;
 150
 151 /**
 152  * prototypes of overridable custom function
 153  */
 154 function vc_custom_pre_generate_hints() {
 155         vc_print_log('No custom script');
 156 }
 157
 158 function vc_custom_pre_show_hints() {
 159         vc_print_log('No custom script');
 160 }
 161
 162 function vc_custom_pre_remove_hints() {
 163         vc_print_log('No custom script');
 164 }
 165
 166 function vc_custom_pre_hide_hints() {
 167         vc_print_log('No custom script');
 168 }
 169 /* ======================== */
 170
 171 /**
 172  * vc_custom_add_xpath_query functino adds given condition to xpath query
 173  *
 174  * @param className  the name of the class of DOM elements
 175  * @param DOMtype(optional)  the type name of DOM element
 176  *
 177  * @remind this function must be called in page specific script
 178  */
 179 function vc_custom_add_xpath_query(className, DOMtype) {
 180         if (undefined == DOMtype) {
 181                 DOMtype = 'div';
 182         }
 183
 184         vc_xpath_query += " | .//xhtml:" + DOMtype + "[contains(@class, '" + className + "')]";
 185 }
 186
 187 /**
 188  * vc_is_child check if element is a child of other element
 189  *
 190  * @param child  child to check the parent of
 191  * @param parent  to test to
 192  *
 193  * @return true if elements are related, false otherwise
 194  */
 195 function vc_is_child(child, parent) {
 196         var node = child.parentNode;
 197         while (node && node != document.body) {
 198                 if (node === parent) {
 199                         return true;
 200                 }
 201                 node = node.parentNode;
 202         }
 203         return false;
 204 }
 205
 206 /**
 207  * vc_is_hidden function checks if the element given as parameter is hidden due to its CSS style
 208  *
 209  * @param elem element to be checked
 210  * @param predecessor predecessor of elem to check visibility if elementFromPoint doesn't return elem
 211  *
 212  * @return true if element is invisible, false otherwise
 213  */
 214 function vc_is_hidden(elem, predecessor) {
 215         if (elem == undefined) {
 216                 return true;
 217         }
 218
 219         /* if predecesor is no found assume parent is one */
 220         if (!predecessor && elem.parentNode) {
 221                 predecessor = elem.parentNode;
 222         }
 223         /* check visibility in css style */
 224         var doc = elem.ownerDocument,
 225         win = doc.defaultView,
 226         computedStyle = win.getComputedStyle(elem, null);
 227
 228         if (computedStyle.getPropertyValue('visibility') !== 'visible' || computedStyle.getPropertyValue('display') === 'none') {
 229                 return true;
 230         }
 231
 232         /* object is visible check if it is on current screen */
 233         var rect = elem.getBoundingClientRect(),
 234         x = rect.left + (rect.width / 2),
 235         y = rect.top + (rect.height / 2),
 236         point;
 237
 238         if (y < 0 && x >= 0) {
 239                 y = 0;
 240         } else if (y < 0 && x < 0) {
 241                 x = y = 0;
 242         } else if (y >= 0 && x < 0) {
 243                 x = 0;
 244         }
 245
 246         point = doc.elementFromPoint(x, y);
 247         /* if elementFromPoint returns HTMLBodyElement it probably is a scroll left/right list and it is hidden */
 248         if (point === doc.body) {
 249                 return true;
 250         }
 251         /* if elementFromPoint returns predecessor it is visible */
 252         if (point && predecessor && vc_is_child(point, predecessor)) {
 253                 return false;
 254         }
 255
 256         return true;
 257 }
 258
 259 /**
 260  * vc_is_visible function checks if the element provided as argument is currently visible on screen
 261  *
 262  * @param elem  element to be checked
 263  * @param scr  screen information
 264  * @param isTextLink  determines if the element is text link
 265  *
 266  * @return true if visible false otherwise
 267  */
 268 function vc_is_visible(elem, scr, isTextLink) {
 269         if (elem == undefined) {
 270                 return false;
 271         }
 272
 273         if (!scr) {
 274                 scr = {
 275                         top : 0,
 276                         left : 0,
 277                         bottom : window.innerHeight,
 278                         right : window.innerWidth
 279                 };
 280         }
 281         // if only two parameters passed to function assume isTextLink is false
 282         isTextLink = typeof isTextLink !== 'undefined' ? isTextLink : false;
 283
 284         var docy = elem.ownerDocument,
 285         win = docy.defaultView,
 286         computedStyle = win.getComputedStyle(elem, null);
 287
 288         /* element is not visible if it is fully transparent except select box  */
 289         if (parseFloat(computedStyle.getPropertyValue('opacity')) === 0.0) {
 290                 return false;
 291         }
 292
 293         var rect = elem.getBoundingClientRect();
 294
 295         /* element is not visible if it is not on screen */
 296         if (!rect || rect.top >= scr.bottom || rect.bottom <= scr.top || rect.left >= scr.right ||
 297                 rect.right <= scr.left) {
 298                 return false;
 299         }
 300
 301         /* element is not visible if it is hidden and it is not a text hyperlink */
 302         if (!isTextLink && vc_is_hidden(elem, null)) {
 303                 return false;
 304         }
 305
 306         return true;
 307 }
 308
 309 /**
 310  * vc_make_hint procedure creates invisible hint for element provided as argument
 311  *
 312  * @param elem  element for which hint is to be created
 313  * @param child  if child is passed, the hint will be positioned according to position of child
 314  */
 315 function vc_make_hint(elem, child) {
 316         // vc_print_log(elem);
 317         if (false == vc_flag_make_tooltip) {
 318                 return;
 319         }
 320
 321         var rect;
 322
 323         rect = child.getBoundingClientRect();
 324
 325         if (!rect || elem.vc_tag_index == vc_tag_index) {
 326                 return;
 327         }
 328
 329         elem.vc_tag_index = vc_tag_index;
 330
 331         var doc = elem.ownerDocument;
 332
 333         /** hint object holds clickable element, type of element and created hint (HTMLSpanElement)
 334          * @member elem  clickable target element.
 335          * @member type  the type of @elem.
 336          * @member child  child element of @elem
 337          * @member span  tooltip element of @elem
 338          */
 339         var hint = {
 340                 elem : elem,
 341                 type : 'normal',
 342                 child : child,
 343                 span : null
 344         };
 345
 346         if(elem instanceof HTMLAreaElement){
 347                 hint.type = 'area';
 348         }
 349
 350         /* not all input objects are supported */
 351         if (elem instanceof HTMLInputElement) {
 352                 if (elem.type === 'text' || elem.type === 'password' || elem.type === 'datetime' || elem.type === 'email' ||
 353                         elem.type === 'search' || elem.type === 'number' || elem.type === 'url') {
 354                         hint.type = 'input';
 355                 } else if (elem.type !== 'button' && elem.type !== 'submit' && elem.type !== 'color' && elem.type !== 'radio' &&
 356                         elem.type !== 'checkbox' && elem.type !== 'file' && elem.type !== 'submit' && elem.type !== 'image') {
 357                         return;
 358                 }
 359         /* consider TextArea element as input element */
 360         } else if (elem instanceof HTMLTextAreaElement) {
 361                 hint.type = 'input';
 362         }
 363
 364         /** span object is the visual representation of hint */
 365         var span = doc.createElement('span');
 366         span.id = 'vc_tooltip';
 367         span.className = 'vc_number_tag_normal vc_tooltip_' + hint.type;
 368
 369         if (hint.type == 'input') {
 370                 span.classList.add('vc_tip_tier_first');
 371         } else if (rect.height > 30) {
 372                 span.classList.add('vc_tip_tier_second');
 373         } else {
 374                 span.classList.add('vc_tip_tier_third');
 375         }
 376
 377         hint.span = span;
 378
 379         /* appends hint to vc_hint_div container */
 380         vc_hint_div.appendChild(hint.span);
 381         vc_page_hints.push(hint);
 382 }
 383
 384 /**
 385  * nsResolver function that is used for resolving namespace in webpage document
 386  *
 387  * @param prefix  prefix of the namespace
 388  *
 389  * @return namespace url
 390  */
 391 function nsResolver(prefix) {
 392         var namespace = {
 393                 'xhtml' : 'http://www.w3.org/1999/xhtml' //add other namespaces if needed
 394         };
 395         return namespace[prefix] || null;
 396 }
 397
 398 /**
 399  * vc_generate_hints function creates hints for all clickable elements on web page
 400  *
 401  * @param win  window element (can be different if we analyse iframe)
 402  */
 403 function vc_generate_hints(win) {
 404         vc_print_log('== start generate hints' + win);
 405         vc_tag_index++;
 406
 407         /* if win is not passed assume the global window variable */
 408         if (!win) {
 409                 win = window;
 410         }
 411
 412         var doc;
 413
 414         try {
 415                 doc = win.document;
 416         } catch (e) {
 417                 vc_print_log('== some error occured in win.document' + e);
 418                 return;
 419         }
 420
 421         /* Custom pre process to generate hints */
 422         vc_custom_pre_generate_hints();
 423
 424         var start = vc_page_hints.length;
 425
 426         vc_hint_div = doc.createElement('div');
 427         vc_hint_div.id = 'vc_tooltip_area';
 428         vc_hint_div.style.display = 'block';
 429
 430         vc_text_indicators = [];
 431
 432         /* return result as snapshot not iterator, due to problems with undefined objects */
 433         vc_print_log('== start doc.evaluate');
 434         var snapshot = doc.evaluate(vc_xpath_query, doc.body, nsResolver, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
 435         vc_print_log('== snapshot length : ' + snapshot.snapshotLength);
 436
 437         /* set current screen dimensions */
 438         vc_scr = {
 439                 top : 0,
 440                 left : 0,
 441                 bottom : win.innerHeight,
 442                 right : win.innerWidth
 443         };
 444
 445         /* analyse if a hint is needed for each returned object */
 446         for (var i = 0; i < snapshot.snapshotLength; i++) {
 447                 var element = snapshot.snapshotItem(i),
 448                 rect = element.getBoundingClientRect();
 449
 450                 vc_made_hint = false;
 451                 /* executed very rarely */
 452                 if (rect.width === 0 || rect.height === 0) {
 453                         for (var j = 0; j < element.childNodes.length; j++) {
 454                                 if (element.childNodes[j].nodeType !== 1) {
 455                                         continue;
 456                                 }
 457
 458                                 var style = doc.defaultView.getComputedStyle(element.childNodes[j], null);
 459                                 if (style && style.getPropertyValue('float') !== 'none' && vc_is_visible(element.childNodes[j], vc_scr)) {
 460                                         vc_make_hint(element, element.childNodes[j]);
 461                                         vc_made_hint = true;
 462                                         break;
 463                                 }
 464                         }
 465
 466                         if (vc_made_hint) {
 467                                 continue;
 468                         }
 469                 }
 470
 471                 if (vc_is_visible(element, vc_scr) && !element.attributes.disabled) {
 472                         if ((element instanceof HTMLButtonElement || element.classList.contains('ui-btn') || element.getAttribute('role') == 'button')) {
 473                                 if (element.textContent.trim().replace(/[ `~!‘’@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '').length > 0) {
 474                                         vc_text_indicators[vc_text_indicators.length] = element;
 475                                 } else {
 476                                         vc_make_hint(element, element);
 477                                         vc_made_hint = true;
 478                                 }
 479                         } else if (element.getAttribute('role') == 'radio' || element.getAttribute('role') == 'checkbox' || element.getAttribute('role') == 'combobox') {
 480                                 vc_make_hint(element, element);
 481                                 vc_made_hint = true;
 482                         /* if the element is an anchor without text, make hint */
 483                         } else if (element instanceof HTMLAnchorElement) {
 484                                 if (element.textContent.trim().length > 0) {
 485                                         vc_text_indicators[vc_text_indicators.length] = element;
 486                                 }
 487
 488                                 var cStyle = window.getComputedStyle(element, false);
 489                                 if (cStyle.backgroundImage !== 'none' && cStyle.backgroundImage !== 'inherit') {
 490                                         vc_make_hint(element, element);
 491                                         vc_made_hint = true;
 492                                 } else if (element.textContent.trim().length == 0) {
 493                                         /* if element has child with background or image element*/
 494                                         if (!vc_made_hint) {
 495                                                 var childs = element.querySelectorAll('*');
 496                                                 for (var sp = 0; sp < childs.length; ++sp) {
 497                                                         if (vc_is_visible(childs[sp], vc_scr)) {
 498                                                                 var cstyle = win.getComputedStyle(childs[sp], false);
 499                                                                 if (childs[sp].nodeName == 'IMG' || cstyle.overflow == 'hidden'
 500                                                                         || (cstyle.backgroundImage !== 'none' && cstyle.backgroundImage !== 'inherit')) {
 501                                                                         vc_make_hint(element, childs[sp]);
 502                                                                         vc_made_hint = true;
 503                                                                         break;
 504                                                                 }
 505                                                         }
 506                                                 }
 507                                         }
 508
 509                                         if (!vc_made_hint) {
 510                                                 vc_make_hint(element, element);
 511                                                 vc_made_hint = true;
 512                                                 continue;
 513                                         }
 514                                 } else {
 515                                         if (isNaN(element.textContent.trim())) {
 516                                                 vc_find_img_element(element, null, element);
 517                                         }
 518                                 }
 519                         } else if (element instanceof HTMLAreaElement || element.nodeName == 'INPUT') {
 520                                 vc_make_hint(element, element);
 521                         } else {
 522                                 vc_find_img_element(element, null, element);
 523                                 if (vc_made_hint == false) {
 524                                         vc_make_hint(element, element);
 525                                 }
 526                         }
 527                 }
 528         }
 529
 530         /* append whole div with hints to body */
 531         if (doc.body) {
 532                 doc.body.insertBefore(vc_hint_div, doc.body.firstChild);
 533
 534                 //append all text indicators to body
 535                 vc_docs.push({
 536                         doc : doc,
 537                         start : start,
 538                         end : vc_page_hints.length - 1
 539                 });
 540         }
 541
 542         /* analyse iframes of the website */
 543         if (win === window) {
 544                 var frames = document.querySelectorAll('iframe');
 545                 for (var f = 0; f < frames.length; f++) {
 546                         var elem;
 547                         try {
 548                                 elem = frames[f].contentWindow.document;
 549                         } catch (e) {
 550                                 vc_bad_iframes.push(frames[f]);
 551                                 continue;
 552                         }
 553                         vc_scr = {
 554                                 top : 0,
 555                                 left : 0,
 556                                 bottom : win.innerHeight,
 557                                 right : win.innerWidth
 558                         };
 559                         if (elem == undefined) {
 560                                 vc_bad_iframes.push(frames[f]);
 561                                 continue;
 562                         }
 563                         if (elem != undefined && !vc_is_visible(frames[f], vc_scr)) {
 564                                 continue;
 565                         }
 566                         // vc_generate_hints(frames[f].contentWindow);
 567                 }
 568         }
 569
 570         vc_flag_hint_exist = true;
 571         vc_print_log('== end');
 572 }
 573
 574 /**
 575  * vc_find_img_element function find element containing image. if found then call a function to make a tooltip.
 576  *
 577  * @param elem  element to search for text
 578  * @param parent  parent element of the @elem
 579  * @param snapshotElem  the first @elem when vc_generate_hints calls this function
 580  */
 581 function vc_find_img_element(elem, parent, snapshotElem) {
 582         if (!vc_made_hint) {
 583                 if (elem.nodeType == 1) {
 584                         var cStyle = document.defaultView.getComputedStyle(elem, false);
 585                         if ((vc_is_visible(elem, vc_scr) && cStyle && cStyle.backgroundImage != 'none' && cStyle.backgroundImage != 'inherit' || elem.nodeName == 'IMG')) {
 586                                 vc_make_hint(snapshotElem, elem);
 587                                 vc_made_hint = true;
 588                                 return;
 589                         }
 590                 }
 591
 592                 var children = elem.childNodes;
 593                 for (var ch = 0; !vc_made_hint && ch < children.length; ch++) {
 594                         vc_find_img_element(children[ch], elem, snapshotElem);
 595                 }
 596         }
 597
 598 }
 599
 600 /**
 601  * vc_show_hints function displays hints numbering from 1
 602  */
 603 function vc_show_hints() {
 604         /* Custom pre process to show hints */
 605         vc_custom_pre_show_hints();
 606
 607         if (vc_flag_log == true) {
 608                 if (vc_asr_result == undefined) {
 609                         vc_asr_result = document.createElement('div');
 610                         vc_asr_result.id = 'vc_asr_result';
 611                         vc_asr_result.innerHTML = 'ASR Result';
 612                         document.body.appendChild(vc_asr_result);
 613                 }
 614
 615                 if (vc_rec_result == undefined) {
 616                         vc_rec_result = document.createElement('div');
 617                         vc_rec_result.id = 'vc_rec_result';
 618                         document.body.appendChild(vc_rec_result);
 619                 }
 620         }
 621
 622         vc_hint_num = 1;
 623         for (var d = 0; d < vc_docs.length; d++) {
 624                 var doc = vc_docs[d];
 625                 for (var i = doc.start; i <= doc.end; i++) {
 626                         var win = doc.doc.defaultView,
 627                         hint = vc_page_hints[i],
 628                         rect = hint.child.getClientRects()[0];
 629
 630                         vc_scr = {
 631                                 top : 0,
 632                                 left : 0,
 633                                 bottom : win.innerHeight,
 634                                 right : win.innerWidth
 635                         };
 636
 637                         hint.span.style.display = 'block';
 638
 639                         if (null == rect) {
 640                                 continue;
 641                         }
 642
 643                         var leftPos,
 644                         topPos,
 645                         position_factor_top,
 646                         position_factor_left;
 647
 648                         if (vc_flag_conflict) {
 649                                 position_factor_top = 18;
 650                                 position_factor_left = 18;
 651                                 hint.span.className = 'vc_text_indicator_conflict_normal vc_tooltip_normal vc_tip_tier_second';
 652                         } else {
 653                                 position_factor_top = 15;
 654                                 position_factor_left = 15;
 655                         }
 656
 657                         if (rect.top < position_factor_top) {
 658                                 topPos = win.pageYOffset;
 659                         } else {
 660                                 topPos = rect.top + win.pageYOffset - position_factor_top;
 661                         }
 662
 663                         if (rect.left < position_factor_left) {
 664                                 leftPos = win.pageXOffset;
 665                         } else {
 666                                 leftPos = rect.left + win.pageXOffset - position_factor_left;
 667                         }
 668
 669                         if (hint.type == 'area') {
 670                                 coord = hint.elem.coords.split(',');
 671                                 leftPos = parseFloat(leftPos) + parseFloat(coord[0]);
 672                                 topPos = parseFloat(topPos) + parseFloat(coord[1]);
 673                         }
 674                         hint.span.style.top = topPos + 'px';
 675                         hint.span.style.left = leftPos + 'px';
 676                         hint.span.textContent = vc_hint_num;
 677
 678                         hint.span.style.display = 'block';
 679
 680                         if (-1 == vc_visible_hints.indexOf(hint)) {
 681                                 vc_visible_hints.push(hint);
 682                         }
 683
 684                         vc_hint_num++;
 685                 }
 686         }
 687
 688         // for (var bf = 0; bf < vc_bad_iframes.length; ++bf) {
 689         //      vc_result_highlight(vc_bad_iframes[bf]);
 690         // }
 691 }
 692
 693 /**
 694  * vc_remove_hints function removes all hints in the web page. It deletes both visible and hidden hints
 695  */
 696 function vc_remove_hints() {
 697         /* Custom pre process to remove hints */
 698         vc_custom_pre_remove_hints();
 699
 700         vc_remove_highlight();
 701
 702         for (var d = 0; d < vc_docs.length; d++) {
 703                 var doc = vc_docs[d].doc;
 704                 var tooltipArea = doc.querySelector('#vc_tooltip_area');
 705                 if (null !== tooltipArea && tooltipArea.parentNode) {
 706                         tooltipArea.parentNode.removeChild(tooltipArea);
 707                 }
 708         }
 709         vc_visible_hints = [];
 710         vc_page_hints = [];
 711         vc_docs = [];
 712
 713         /** if the rotation occured refresh the window information */
 714         vc_scr = {
 715                 top : 0,
 716                 left : 0,
 717                 bottom : window.innerHeight,
 718                 right : window.innerWidth
 719         };
 720
 721         vc_hint_div = null;
 722         vc_flag_hint_exist = false;
 723         vc_flag_conflict = false;
 724 }
 725
 726 /**
 727  * vc_hide_hints function hides the hints from the screen. Hints elements still exist
 728  */
 729 function vc_hide_hints() {
 730         /* Custom pre process to hide hints */
 731         vc_custom_pre_hide_hints();
 732
 733         for (var i = 0; i < vc_visible_hints.length; i++) {
 734                 var hint = vc_visible_hints[i];
 735                 if (hint.span.classList.contains('vc_tooltip_focus') == false) {
 736                         hint.span.style.display = 'none';
 737                         hint.span.style.top = 0;
 738                         hint.span.style.left = 0;
 739                 }
 740         }
 741 }
 742
 743 /**
 744  * vc_remove_popup function removes popup.
 745  * This function is safe to call if the popup doesnt exist.
 746  */
 747 function vc_remove_popup() {
 748         var node = document.querySelector('#vc_popup');
 749         if (null !== node && node.parentNode) {
 750                 node.parentNode.removeChild(node);
 751         }
 752 }
 753
 754 /**
 755  * vc_show_popup function displays a floating div over the web page with text in it for timout milliseconds
 756  *
 757  * @param text  text to be shown on the popup
 758  * @param timeout  time for which the popup should be shown in milliseconds. If timeout is 0 popup must be deleted manually
 759  */
 760 function vc_show_popup(text, timeout) {
 761         /* remove any existing popup */
 762         vc_remove_popup();
 763
 764         /* overlay creates a light grey area over the whole website */
 765         var overlay = document.createElement('div');
 766         overlay.id = 'vc_popup';
 767
 768         /* vcpopup is the main popup window, that is centered over the overlay */
 769         var vcpopup = document.createElement('div');
 770         vcpopup.id = 'vc_popup_content';
 771
 772         /* content is used to display text and center it vertically inside vcpopup */
 773         var content = document.createElement('div');
 774         content.style.display = 'table-cell';
 775         content.style.fontFamily = '"Open Sans", "Helvetica", sans-serif';
 776         content.style.verticalAlign = 'middle';
 777         content.innerHTML = text;
 778
 779         vcpopup.appendChild(content);
 780         overlay.appendChild(vcpopup);
 781         document.body.appendChild(overlay);
 782
 783         /* if timeout is set to 0, display popup until not deleted manually */
 784         if (timeout !== 0) {
 785                 setTimeout(function () {
 786                         vc_remove_popup();
 787                 }, timeout);
 788         }
 789
 790         return;
 791 }
 792
 793 /**
 794  * vc_remove_highlight removes highlight from conflicting links
 795  *
 796  * @param selectedNum  the number of target tooltip
 797  */
 798 function vc_remove_highlight(selectedNum) {
 799         if (selectedNum) {
 800                 var high = document.querySelectorAll('#vc_highlight');
 801                 for (var cn = 0; cn < high.length; cn++) {
 802                         if ((cn + 1) != selectedNum) {
 803                                 high[cn].parentNode.removeChild(high[cn]);
 804                         }
 805                 }
 806         } else {
 807                 var highlightArea = document.querySelector('#vc_highlight_area');
 808                 if (highlightArea) {
 809                         highlightArea.parentNode.removeChild(highlightArea);
 810                 }
 811         }
 812 }
 813
 814 /**
 815  * vc_result_highlight creates highlight box over elem
 816  *
 817  * @param elem  element to be highlighted
 818  */
 819 function vc_result_highlight(elem) {
 820         var doc = elem.ownerDocument,
 821         rect;
 822
 823         if (vc_is_visible(elem) == false && elem.querySelector('img')) {
 824                 rect = elem.querySelector('img').getClientRects()[0];
 825         } else {
 826                 rect = elem.getClientRects()[0];
 827         }
 828
 829         if (!rect) {
 830                 return;
 831         }
 832
 833         vc_high_div = document.querySelector('#vc_highlight_area');
 834
 835         if (!vc_high_div) {
 836                 vc_high_div = doc.createElement('div');
 837                 vc_high_div.id = 'vc_highlight_area';
 838                 doc.body.appendChild(vc_high_div);
 839         }
 840
 841         var high_span = doc.createElement('div');
 842         high_span.id = 'vc_highlight';
 843
 844         /* top left position of the element */
 845         var leftPos = (rect.left > vc_scr.left ? rect.left : vc_scr.left);
 846         var topPos = (rect.top > vc_scr.top ? rect.top : vc_scr.top);
 847
 848         /* adjust top left position with page scroll */
 849         topPos += window.pageYOffset - 3;
 850         leftPos += window.pageXOffset - 3;
 851
 852         high_span.style.left = leftPos + 'px';
 853         high_span.style.top = topPos + 'px';
 854         high_span.style.width = rect.width + 'px';
 855         high_span.style.height = (rect.height + 6) + 'px';
 856
 857         /* if element's dimensions are 0x0 create highlight for it's children */
 858         if (rect.width === 0 || rect.height === 0) {
 859                 var height = topPos + rect.height;
 860                 var width = leftPos + rect.width;
 861                 for (var i = 0; i < elem.children.length; i++) {
 862                         var child = elem.children[i];
 863                         var chRect = child.getClientRects()[0];
 864                         if (!chRect) {
 865                                 continue;
 866                         }
 867                         if (chRect.top + chRect.height > height) {
 868                                 height = chRect.top + chRect.height;
 869                         }
 870                         if (chRect.left + chRect.width > width) {
 871                                 width = chRect.left + chRect.width;
 872                         }
 873                 }
 874                 high_span.style.height = height - topPos + 'px';
 875                 high_span.style.width = width - leftPos + 'px';
 876         }
 877
 878         vc_high_div.appendChild(high_span);
 879 }
 880
 881 /**
 882  * vc_generate_conflict_hints function creates hints for all conflicting highlighted hints
 883  */
 884 function vc_generate_conflict_hints() {
 885         vc_hint_div = document.querySelector('#vc_tooltip_area');
 886
 887         if (!vc_hint_div) {
 888                 vc_hint_div = document.createElement('div');
 889                 vc_hint_div.id = 'vc_tooltip_area';
 890                 document.body.insertBefore(vc_hint_div, document.body.firstChild);
 891         }
 892
 893         vc_scr = {
 894                 top : 0,
 895                 left : 0,
 896                 bottom : window.innerHeight,
 897                 right : window.innerWidth
 898         };
 899
 900         /* Conflict links */
 901         var conflicts = vc_conflict_links;
 902
 903         for (var i = 0; i < conflicts.length; i++) {
 904                 var elem = conflicts[i];
 905                 var rect;
 906
 907                 vc_result_highlight(elem);
 908                 if (vc_is_visible(elem, vc_scr) == false && elem.querySelector('img') != null) {
 909                         rect = elem.querySelector('img').getClientRects()[0];
 910                 } else {
 911                         rect = elem.getClientRects()[0];
 912                 }
 913
 914                 if (!rect) {
 915                         return;
 916                 }
 917
 918                 var leftPos,
 919                 topPos,
 920                 position_factor_top = 20, //[TODO]move at proper place
 921                 position_factor_left = 28,
 922                 hint = {},
 923                 span = document.createElement('span');
 924                 span.id = 'vc_tooltip';
 925
 926                 if (rect.top < position_factor_top) {
 927                         topPos = window.pageYOffset + 'px';
 928                 } else {
 929                         topPos = rect.top + window.pageYOffset - position_factor_top + 'px';
 930                 }
 931
 932                 if (rect.left < position_factor_left) {
 933                         leftPos = window.pageXOffset + 'px';
 934                 } else {
 935                         leftPos = rect.left + window.pageXOffset - position_factor_left + 'px';
 936                 }
 937
 938                 /* tooltip style, !please keep styles sorted */
 939                 hint.span = span;
 940                 hint.span.style.top = topPos;
 941                 hint.span.style.left = leftPos;
 942                 vc_hint_div.appendChild(hint.span);
 943
 944                 hint.elem = elem;
 945                 hint.child = vc_high_div.childNodes[i];
 946                 vc_page_hints[vc_page_hints.length] = hint;
 947         }
 948
 949         vc_docs.push({
 950                 doc : document,
 951                 start : 0,
 952                 end : vc_page_hints.length - 1
 953         });
 954
 955         vc_flag_hint_exist = true;
 956         vc_flag_conflict = true;
 957         vc_conflict_timer = setTimeout(vc_remove_hints, 5000);
 958
 959         vc_show_hints();
 960 }
 961
 962 /**
 963  * vc_trigger_event function makes custom DOM event
 964  *
 965  * @param node  target element taking event
 966  * @param eventType  type of the custom event
 967  */
 968 function vc_trigger_event(node, eventType) {
 969         try {
 970                 var clickEvent = new Event(eventType);
 971                 node.dispatchEvent(clickEvent);
 972         } catch (e) {
 973                 console.log('error ouccured', e);
 974         }
 975 }
 976
 977 /**
 978  * vc_do_action function creates event for selected element.
 979  *
 980  * @param targetElem  selected element
 981  * @param numberTag  number of selected tooltip
 982  * @param value(option)  text entered into selected input element
 983  *
 984  * @return array including coordinates of the @targetElem and the number of targetElem.
 985  */
 986 function vc_do_action(targetElem, numberTag, value) {
 987         vc_print_log('=== Inside vc_do_action');
 988         vc_print_log(targetElem.elem.outerHTML);
 989
 990         var elem = targetElem.elem,
 991         type = targetElem.type,
 992         position,
 993         effect;
 994
 995         if (!targetElem) {
 996                 return;
 997         }
 998
 999         /* Create click effect element */
1000         effect = document.createElement('div');
1001         effect.id = 'vc_click_effect';
1002
1003         if (numberTag != undefined) {
1004                 position = numberTag.getBoundingClientRect();
1005                 effect.style.left = (position.left + (position.width / 2) - 35) + 'px'
1006                 effect.style.top = (position.top + (position.height / 2) - 35) + 'px'
1007
1008                 numberTag.classList.add('vc_tooltip_focus');
1009                 numberTag.style.display = 'block';
1010
1011                 //conflicts
1012                 if (vc_flag_conflict) {
1013                         vc_remove_highlight(numberTag.textContent.trim());
1014                 }
1015                 vc_hide_hints();
1016         } else {
1017                 position = elem.getClientRects()[0];
1018                 effect.style.left = (position.left - 35) + 'px'
1019                 effect.style.top = (position.top - 35) + 'px'
1020
1021                 //text indicators
1022                 vc_result_highlight(elem);
1023                 elem.classList.add('vc_text_focus');
1024
1025                 vc_text_indicators[vc_text_indicators.length] = elem;
1026         }
1027
1028         document.body.insertBefore(effect, document.body.firstChild);
1029
1030         /* Occurring events */
1031         try {
1032                 if (type == 'input' && value != undefined) {
1033                         setTimeout(function () {
1034                                 elem.value = value;
1035                                 vc_trigger_event(elem, 'keyup');
1036                                 vc_trigger_event(elem, 'input');
1037                                 try {
1038                                         elem.form.submit();
1039                                 } catch (e) {
1040                                         console.log(e);
1041                                 }
1042
1043                                 document.body.removeChild(effect);
1044                                 vc_remove_hints();
1045                         }, 1500);
1046
1047                         return [0, 0, 0]
1048                 }
1049
1050                 setTimeout(function () {
1051                         if (vc_asr_result != undefined) {
1052                                 vc_asr_result.parentElement.removeChild(vc_asr_result);
1053                                 vc_asr_result = undefined;
1054                         }
1055                         if (vc_rec_result != undefined) {
1056                                 vc_rec_result.parentElement.removeChild(vc_rec_result);
1057                                 vc_rec_result = undefined;
1058                         }
1059
1060                         if (numberTag == undefined) {
1061                                 elem.classList.remove('vc_text_focus');
1062                         }
1063
1064                         document.body.removeChild(effect);
1065                         vc_remove_hints();
1066
1067                         elem.blur();
1068                         elem.focus();
1069
1070                         vc_print_log('=== Click Finish');
1071                 }, 2000);
1072
1073                 var rect = elem.getClientRects()[0],
1074                 x = rect.left + (rect.width / 2),
1075                 y = rect.top + (rect.height / 2);
1076                 if (null == rect) {
1077                         vc_print_log('[ERROR] Target element is not valid')
1078                         return [-1, 0, 0];
1079                 }
1080
1081                 if (x < 0) {
1082                         x = 0;
1083                 }
1084                 if (y < 0) {
1085                         y = 0;
1086                 }
1087                 return [1, x / window.innerWidth, y / window.innerHeight];
1088         } catch (e) {
1089                 console.log(e);
1090                 return [-1, 0, 0];
1091         }
1092 }
1093
1094 /**
1095  * vc_click function triggers click on element connected to cmd and param. Assumption is made that tooltips are numbers!
1096  *
1097  * @param cmd  tooltip tag number from voice-control
1098  * @param param  text parameter from voice-control
1099  */
1100 function vc_click(cmd, param) {
1101         vc_print_log('== start click cmd = ' + cmd + ', param = ' + param + ', visible tags = ' + vc_visible_hints.length);
1102
1103         if (vc_flag_log == true) {
1104                 if (vc_asr_result != undefined) {
1105                         vc_asr_result.innerHTML = param;
1106                 }
1107
1108                 setTimeout(function () {
1109                         if (vc_asr_result != undefined) {
1110                                 vc_asr_result.parentElement.removeChild(vc_asr_result);
1111                                 vc_asr_result = undefined;
1112                         }
1113                         if (vc_rec_result != undefined) {
1114                                 vc_rec_result.parentElement.removeChild(vc_rec_result);
1115                                 vc_rec_result = undefined;
1116                         }
1117                 }, 2500);
1118         }
1119
1120         /* pre-defined rule checker */
1121         if (vc_check_web_control(param) == true) {
1122                 vc_remove_hints();
1123
1124                 return [0, 0, 0];
1125         }
1126
1127         // if cmd has a numerical value
1128         if (isNaN(cmd) == false) {
1129                 vc_print_log('== numbering tag click');
1130
1131                 // when cmd is floating point value without parameter
1132                 // search exactly the same text
1133                 if (Number.isInteger(cmd) == false && param == '') {
1134                         for (var i = 0; i < vc_text_indicators.length; ++i) {
1135                                 if (vc_text_indicators[i].textContent.trim().indexOf(cmd) != -1) {
1136                                         return vc_do_action({
1137                                                 elem : vc_text_indicators[i]
1138                                         });
1139                                 }
1140                         }
1141
1142                         var list = vc_selector([cmd.toString()]);
1143
1144                         for (var i = 0; i < list.length; i++) {
1145                                 if (list[i].childElementCount == 0 && list[i].textContent.trim().indexOf(cmd) != -1) {
1146                                         return vc_do_action({
1147                                                 elem : list[i]
1148                                         });
1149                                 }
1150                         }
1151                 }
1152
1153                 // when cmd is valid integer value
1154                 if (Number.isInteger(cmd) == true && cmd <= vc_visible_hints.length) {
1155                         var hint = vc_visible_hints[cmd - 1];
1156
1157                         // insert text into input element
1158                         if (hint.type === 'input' && param != '') {
1159                                 return vc_do_action(hint, hint.span, param);
1160                         } else if (param == '') {
1161                                 if (!vc_flag_conflict) {
1162                                         vc_conflict_links = [];
1163                                         vc_conflict_links.push(hint.elem);
1164
1165                                         for (var i = 0; i < vc_text_indicators.length; ++i) {
1166                                                 if (vc_text_indicators[i].textContent.trim() == cmd) {
1167                                                         vc_conflict_links.push(vc_text_indicators[i]);
1168                                                 }
1169                                         }
1170
1171                                         if (vc_conflict_links.length > 1) {
1172                                                 vc_remove_hints();
1173                                                 vc_generate_conflict_hints();
1174                                                 return [vc_conflict_links.length, 0, 0];
1175                                         }
1176                                 }
1177
1178                                 return vc_do_action(hint, hint.span);
1179                         }
1180                 }
1181
1182                 // when there is no matched tooltip
1183                 vc_remove_hints();
1184
1185                 return vc_search_text(cmd.toString().concat(' ', param).trim());
1186         } else {
1187                 vc_remove_hints();
1188
1189                 return vc_search_text(param);
1190         }
1191 }
1192
1193 /**
1194  * vc_search_text function search the element that include same text with @param.
1195  *
1196  * @param param  param from voice-control.
1197  */
1198 function vc_search_text(param) {
1199         /* phase 1. search full text in the webpage */
1200         /* first, compare with links in html documents */
1201         vc_print_log('=== start searching(text level)');
1202
1203         if (vc_flag_log == true) {
1204                 vc_rec_result.style.background = 'rgba(0, 200, 100, 1)';
1205         }
1206
1207         vc_scr = {
1208                 top : 0,
1209                 left : 0,
1210                 bottom : window.innerHeight,
1211                 right : window.innerWidth
1212         };
1213
1214         vc_conflict_links = [];
1215
1216         for (var i = 0; i < vc_text_indicators.length; ++i) {
1217                 if (vc_is_visible(vc_text_indicators[i], vc_scr, true) &&
1218                         vc_text_indicators[i].textContent.replace(/[ `~!‘’@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '').toLowerCase().indexOf(param.replace(/ /g, '').toLowerCase()) !== -1) {
1219                         vc_conflict_links.push(vc_text_indicators[i]);
1220                 }
1221         }
1222
1223         if (vc_conflict_links.length == 1) {
1224                 /* if there is one result */
1225                 return vc_do_action({
1226                         elem : vc_conflict_links[0]
1227                 });
1228         } else if (vc_conflict_links.length > 1) {
1229                 vc_generate_conflict_hints();
1230
1231                 return [vc_conflict_links.length, 0, 0];
1232         }
1233
1234         /* second, compare with whole text of elements in html documents */
1235         var resultTokenArr = param.replace(/[`~!‘’@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '').split(' '),
1236         el = vc_selector(resultTokenArr),
1237         preStr = '******';
1238
1239         for (var i = 0; el.length > i; i++) {
1240                 var temp = el[i];
1241
1242                 if (temp.childElementCount === 0) {
1243                         var curStr = temp.textContent.replace(/[`~!‘’@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '');
1244                         if (curStr == preStr || vc_is_visible(temp) == false) {
1245                                 continue;
1246                         }
1247
1248                         preStr = curStr;
1249
1250                         vc_conflict_links.push(temp);
1251                 }
1252         }
1253
1254         if (vc_conflict_links.length == 1) {
1255                 return vc_do_action({
1256                         elem : vc_conflict_links[0]
1257                 });
1258         } else if (vc_conflict_links.length > 1) {
1259                 vc_generate_conflict_hints();
1260
1261                 return [vc_conflict_links.length, 0, 0];
1262         } else {
1263                 /*
1264                  * vc_search_word depend on the voice control language.
1265                  * This function increase the accuracy of the searching result using word and letter level searching.
1266                  * If the language is changed, the definition of the function will be changed by reloading the .js file.
1267                  */
1268                 temp = vc_search_word(param, true);
1269                 if (temp != undefined) {
1270                         return vc_do_action({
1271                                 elem : temp
1272                         });
1273                 } else {
1274                         //vc_show_popup('There is no such kind of string.<br>(' + param + ')', 1500);
1275                         vc_remove_hints();
1276
1277                         return [-1, 0, 0];
1278                 }
1279         }
1280 }
1281
1282 /**
1283  * vc_scroll_event_firing function move the scroll.
1284  *
1285  * @param evt  keyword to move the scroll.
1286  */
1287 function vc_scroll_event_firing(evt) {
1288         if (evt == 'DOWN') {
1289                 window.scrollBy(0, 500);
1290         } else if (evt == 'UP') {
1291                 window.scrollBy(0, -500);
1292         } else if (evt == 'TOP') {
1293                 window.scrollTo(0, 0);
1294         }
1295 }
1296
1297 /**
1298  * vc_print_html function print out log on vc_log_area and console for debug.
1299  * If vc_flag_log is not true, then the logs will only print on console.
1300  *
1301  * @param text  log text to print out.
1302  */
1303 function vc_print_log(text) {
1304         var d = new Date();
1305         var time = d.getHours() + ':' + d.getMinutes() + ':' + d.getSeconds() + ':' + d.getMilliseconds();
1306         console.log(time, '[', vc_print_log.caller.name, ']', text);
1307
1308         if (vc_flag_log == true) {
1309                 vc_log_area.value += time + ' [' + vc_print_log.caller.name + '] ' + text + '\n';
1310         }
1311 }
1312
1313 /**
1314  * vc_print_html function print out raw source of the html document for debug.
1315  */
1316 function vc_print_html() {
1317         if (vc_html_area == undefined) {
1318                 vc_html_area = document.createElement('textarea');
1319                 vc_html_area.disabled = true;
1320                 vc_html_area.id = 'vc_html_area';
1321
1322                 document.body.appendChild(vc_html_area);
1323
1324                 vc_html_area.value = location.href.toString() + '\n' + document.querySelector('html').innerHTML;
1325         } else {
1326                 document.body.removeChild(vc_html_area);
1327                 vc_html_area = undefined;
1328         }
1329 }
1330
1331 /**
1332  * vc_search_text function is called by voice-control-webview.cpp.
1333  * this function call some group of functions refered to @phase.
1334  *
1335  * @param phase  key value to call a group of functions.
1336  * @param data  function data from voice-control-webview.cpp.
1337  */
1338 function vc_request_action(phase, data) {
1339         vc_print_log('phase :' + phase + ',data :' + data);
1340         if ('SHOW_TOOLTIP' == phase) {
1341                 clearTimeout(vc_conflict_timer);
1342
1343                 /* create & show tooltips to recognize the voice */
1344                 if (!vc_flag_conflict && false == vc_flag_hint_exist) {
1345                         vc_remove_hints();
1346                         vc_generate_hints();
1347                 }
1348                 vc_show_hints();
1349         } else if ('HIDE_TOOLTIP' == phase) {
1350                 /* hide tooltips */
1351                 if (!vc_flag_conflict) {
1352                         vc_hide_hints();
1353                 } else {
1354                         clearTimeout(vc_conflict_timer);
1355                         vc_conflict_timer = setTimeout(vc_remove_hints, 5000);
1356                 }
1357         } else if ('RESULT' == phase) {
1358                 /* do action by the result */
1359                 vc_all_elem = document.querySelectorAll('body *:not(script)');
1360                 var result = vc_correct_parameter(data);
1361
1362                 return vc_click(result.cmd, result.param);
1363         } else if ('REMOVE_TOOLTIP' == phase) {
1364                 clearTimeout(vc_conflict_timer);
1365                 vc_remove_hints();
1366         } else {
1367                 return false;
1368         }
1369         return true;
1370 }
1371
1372 /**
1373  * vc_selector function is a selector function to find the elements include whole text in @strArr.
1374  *
1375  * @param strArr  group of strings to find elements.
1376  *
1377  * ex) vc_selector(['abc', 'def']);
1378  */
1379 function vc_selector(strArr) {
1380         var result = [];
1381         for (var i = 0; i < vc_all_elem.length; i++) {
1382                 var temp = vc_all_elem[i].textContent.replace(/[`~!‘’@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '').toLowerCase();
1383                 var j;
1384
1385                 for (j = 0; j < strArr.length; j++) {
1386                         if (temp.includes(strArr[j].toLowerCase()) == false) {
1387                                 break;
1388                         }
1389                 }
1390
1391                 if (strArr.length == j && vc_is_visible(vc_all_elem[i], null, true)) {
1392                         result.push(vc_all_elem[i]);
1393                 }
1394         }
1395
1396         return result;
1397 }
1398
1399 /**
1400  * vc_get_url_path function returns url path of the view.
1401  *
1402  * @return part of the url(host name + path name). it is used to read page specific script.
1403  */
1404 function vc_get_url_path() {
1405         var hostName = document.location.hostname;
1406         var pathName = document.location.pathname;
1407
1408         pathName = pathName.replace(/\//gi, '.');
1409
1410         return hostName + '/' + pathName;
1411 }
1412
1413 /**
1414  * vc_get_conflict_status function returns the conflict status.
1415  *
1416  * @return 1 if vc_flag_conflict is true. Otherwise 0.
1417  */
1418 function vc_get_conflict_status() {
1419         if (vc_flag_conflict) {
1420                 return 1;
1421         }
1422
1423         return 0;
1424 }
1425
1426 /**
1427  * vc_set_make_tooltip function sets the vc_flag_make_tooltip.
1428  *
1429  * @param makeTooltip  If it is 1, then set vc_flag_make_tooltip as true. Otherwise false.
1430  */
1431 function vc_set_make_tooltip(makeTooltip) {
1432         if (1 == makeTooltip) {
1433                 vc_flag_make_tooltip = true;
1434         } else {
1435                 vc_flag_make_tooltip = false;
1436         }
1437 }
1438
1439 /**
1440  * vc_init function initialize some elements and styles to use voice control.
1441  */
1442 function vc_init() {
1443         /* log element initialize */
1444         if (vc_flag_log) {
1445                 vc_log_area.disabled = true;
1446                 vc_log_area.id = 'vc_log_area';
1447                 vc_log_area.style.visibility = 'hidden';
1448
1449                 document.body.appendChild(vc_log_area);
1450         }
1451
1452         /* add tooltip style element */
1453         var vc_style_node = document.createElement('style');
1454         var vc_style_text = document.createTextNode(
1455                         '#vc_tooltip_area {\
1456                                 left : 0px;\
1457                                 position : absolute;\
1458                                 pointer-events: none;\
1459                                 top : 0px;\
1460                                 z-index : 2147483647;\
1461                         }\
1462                         #vc_html_area, #vc_log_area {\
1463                                 background-color : rgba(0, 0, 0, 0.5) !important;\
1464                                 color : white !important;\
1465                                 font-size : 14px;\
1466                                 height : 600px;\
1467                                 left : 50px;\
1468                                 padding : 10px 10px 10px 10px;\
1469                                 position : fixed;\
1470                                 top : 50px;\
1471                                 width : 800px;\
1472                                 z-index : 2147483647;\
1473                         }\
1474                         #vc_popup_content {\
1475                                 background-color : #87cff7;\
1476                                 bottom : 0px;\
1477                                 border-radius : 20px;\
1478                                 box-shadow : 0 2px 6px rgba(0, 0, 0, 0.3), 0 3px 8px rgba(0, 0, 0, 0.2);\
1479                                 color : white;\
1480                                 display : table;\
1481                                 font-size : 1.5em;\
1482                                 height : 100px;\
1483                                 left : 0px;\
1484                                 line-height : 1.5em;\
1485                                 margin : auto;\
1486                                 opacity : 1;\
1487                                 overflow : hidden;\
1488                                 position : absolute;\
1489                                 right : 0px;\
1490                                 text-align : center;\
1491                                 top : 0px;\
1492                                 width : 500px;\
1493                                 z-index : 2147483647;\
1494                         }\
1495                         #vc_popup {\
1496                                 background-color : rgba(0,0,0,0.2);\
1497                                 bottom : 0px;\
1498                                 left : 0px;\
1499                                 position : fixed;\
1500                                 right : 0px;\
1501                                 top : 0px;\
1502                                 z-index : 2147483647;\
1503                         }\
1504                         #vc_highlight_area {\
1505                                 left : 0px;\
1506                                 position : absolute;\
1507                                 pointer-events: none;\
1508                                 top : 0px;\
1509                                 z-index : 2147483646;\
1510                         }\
1511                         #vc_highlight {\
1512                                 border-radius: 5px;\
1513                                 font-size : 20px;\
1514                                 padding : 0 3px;\
1515                                 position : absolute;\
1516                                 pointer-events: none;\
1517                                 word-break : normal;\
1518                                 background-color: rgba(0, 234, 255, 0.2);\
1519                         }\
1520                         #vc_click_effect {\
1521                                 border-radius: 70px;\
1522                                 width: 70px;\
1523                                 height: 70px;\
1524                                 pointer-events: none;\
1525                                 position: fixed;\
1526                                 z-index : 2147483647;\
1527                                 background: linear-gradient(141deg, rgba(15, 185, 175, 0.6) 0%, rgba(30, 200, 220, 0.6) 51%, rgba(45, 180, 230, 0.6) 75%);\
1528                         }\
1529                         .vc_number_tag_normal {\
1530                                 border : 2px solid;\
1531                                 border-color : rgba(255, 255, 255, 0);\
1532                                 border-radius : 5px;\
1533                                 box-shadow : 0px 2px 2px rgba(0, 0, 0, 0.3);\
1534                                 position: absolute;\
1535                                 pointer-events: none;\
1536                                 text-align: center;\
1537                                 font-family: "Samsung0ne600";\
1538                                 color: #ffffff;\
1539                                 z-index : 2147483647;\
1540                                 word-break : normal;\
1541                         }\
1542                         .vc_text_indicator_conflict_normal {\
1543                                 border: 2px solid;\
1544                                 border-color: rgba(255, 255, 255, 0);\
1545                                 border-radius: 20px;\
1546                                 box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);\
1547                                 position: absolute;\
1548                                 pointer-events: none;\
1549                                 text-align: center;\
1550                                 color: #ffffff;\
1551                                 font-family: "Samsung0ne600";\
1552                                 z-index: 2147483647;\
1553                         }\
1554                         .vc_tooltip_focus {\
1555                                 border-color: rgba(255, 255, 255, 1);\
1556                         }\
1557                         .vc_text_focus {\
1558                                 color: #ff0000 !important;\
1559                                 font-weight: bolder !important;\
1560                         }\
1561                         #vc_asr_result {\
1562                                 background : rgba(0, 0, 0, 0.8);\
1563                                 border-radius : 20px;\
1564                                 color : white;\
1565                                 font-size : 25px;\
1566                                 height : 35px;\
1567                                 padding-top : 10px;\
1568                                 padding-bottom : 10px;\
1569                                 position : absolute;\
1570                                 text-align : center;\
1571                                 top : 10px;\
1572                                 right : 10px;\
1573                                 width : 550px;\
1574                                 z-index : 2147483647;\
1575                         }\
1576                         #vc_rec_result {\
1577                                 border-radius : 40px;\
1578                                 height : 40px;\
1579                                 position : absolute;\
1580                                 top : 17px;\
1581                                 right : 510px;\
1582                                 width : 40px;\
1583                                 z-index : 2147483647;\
1584                         }\
1585                         .vc_tooltip_input {\
1586                                 background-color : rgba(60, 140, 250, 0.75);\
1587                         }\
1588                         .vc_tooltip_normal, .vc_tooltip_area {\
1589                                 background-color : rgba(60, 185, 165, 0.75);\
1590                         }\
1591                         .vc_tip_tier_first {\
1592                                 font-size: 22px;\
1593                                 line-height: 24px;\
1594                                 width: 32px;\
1595                                 height: 26px;\
1596                         }\
1597                         .vc_tip_tier_second {\
1598                                 font-size: 19px;\
1599                                 line-height: 22px;\
1600                                 width: 28px;\
1601                                 height: 22px;\
1602                         }\
1603                         .vc_tip_tier_third {\
1604                                 font-size: 14px;\
1605                                 line-height: 16px;\
1606                                 width: 21px;\
1607                                 height: 16px;\
1608                         }\
1609                         @keyframes vc_tooltip_show {\
1610                                 0% {\
1611                                         opacity: 0;\
1612                                 }\
1613                                 100% {\
1614                                         opacity: 1;\
1615                                 }\
1616                         }\
1617                         @keyframes vc_tooltip_click {\
1618                                 0% {\
1619                                         box-shadow: 0 0 8px 6px rgba(60, 220, 180, 0), 0 0 0px 0px rgba(255,255,255,1), 0 0 0px 0px rgba(60, 220, 180, 0);\
1620                                 }\
1621                                 10% {\
1622                                         box-shadow: 0 0 8px 6px rgba(60, 220, 180, 1), 0 0 3px 5px rgba(255,255,255,1), 0 0 6px 10px rgba(60, 220, 180, 1);\
1623                                 }\
1624                                 100% {\
1625                                         box-shadow: 0 0 8px 6px rgba(60, 220, 180, 0), 0 0 0px 20px rgba(255,255,255,0.5), 0 0 0px 20px rgba(60, 220, 180, 0);\
1626                                 }\
1627                         }\
1628                         @keyframes vc_click_effect {\
1629                                 0% {\
1630                                         transform: scale(0.3, 0.3);\
1631                                         opacity: 0;\
1632                                 }\
1633                                 10% {\
1634                                         transform: scale(0.5, 0.5);\
1635                                         opacity: 0.5;\
1636                                 }\
1637                                 100% {\
1638                                         transform: scale(1, 1);\
1639                                         opacity: 1;\
1640                                 }\
1641                         }');
1642         vc_style_node.appendChild(vc_style_text);
1643         document.head.appendChild(vc_style_node);
1644
1645         var frames = window.frames;
1646
1647         for (var i = 0; i < frames.length; i++) {
1648                 try {
1649                         var doc = frames[i].document;
1650                         var vc_frame_style_node = doc.createElement('style');
1651                         var vc_frame_style_text = doc.createTextNode(vc_style_node.textContent);
1652
1653                         vc_frame_style_node.appendChild(vc_frame_style_text);
1654                         doc.head.appendChild(vc_frame_style_node);
1655                 } catch (e) {
1656                         continue;
1657                 }
1658         }
1659
1660         /* remove indicators on scroll */
1661         window.addEventListener('scroll', function () { //[TODO] need to remove the listener
1662                 vc_remove_hints();
1663         }, false);
1664 }
1665
1666 vc_init();