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   1  /*
   2  YUI 3.17.2 (build 9c3c78e)
   3  Copyright 2014 Yahoo! Inc. All rights reserved.
   4  Licensed under the BSD License.
   5  http://yuilibrary.com/license/
   6  */
   7  
   8  YUI.add('features', function (Y, NAME) {
   9  
  10  var feature_tests = {};
  11  
  12  /**
  13  Contains the core of YUI's feature test architecture.
  14  @module features
  15  */
  16  
  17  /**
  18  * Feature detection
  19  * @class Features
  20  * @static
  21  */
  22  
  23  Y.mix(Y.namespace('Features'), {
  24  
  25      /**
  26      * Object hash of all registered feature tests
  27      * @property tests
  28      * @type Object
  29      */
  30      tests: feature_tests,
  31  
  32      /**
  33      * Add a test to the system
  34      *
  35      *   ```
  36      *   Y.Features.add("load", "1", {});
  37      *   ```
  38      *
  39      * @method add
  40      * @param {String} cat The category, right now only 'load' is supported
  41      * @param {String} name The number sequence of the test, how it's reported in the URL or config: 1, 2, 3
  42      * @param {Object} o Object containing test properties
  43      * @param {String} o.name The name of the test
  44      * @param {Function} o.test The test function to execute, the only argument to the function is the `Y` instance
  45      * @param {String} o.trigger The module that triggers this test.
  46      */
  47      add: function(cat, name, o) {
  48          feature_tests[cat] = feature_tests[cat] || {};
  49          feature_tests[cat][name] = o;
  50      },
  51      /**
  52      * Execute all tests of a given category and return the serialized results
  53      *
  54      *   ```
  55      *   caps=1:1;2:1;3:0
  56      *   ```
  57      * @method all
  58      * @param {String} cat The category to execute
  59      * @param {Array} args The arguments to pass to the test function
  60      * @return {String} A semi-colon separated string of tests and their success/failure: 1:1;2:1;3:0
  61      */
  62      all: function(cat, args) {
  63          var cat_o = feature_tests[cat],
  64              // results = {};
  65              result = [];
  66          if (cat_o) {
  67              Y.Object.each(cat_o, function(v, k) {
  68                  result.push(k + ':' + (Y.Features.test(cat, k, args) ? 1 : 0));
  69              });
  70          }
  71  
  72          return (result.length) ? result.join(';') : '';
  73      },
  74      /**
  75      * Run a specific test and return a Boolean response.
  76      *
  77      *   ```
  78      *   Y.Features.test("load", "1");
  79      *   ```
  80      *
  81      * @method test
  82      * @param {String} cat The category of the test to run
  83      * @param {String} name The name of the test to run
  84      * @param {Array} args The arguments to pass to the test function
  85      * @return {Boolean} True or false if the test passed/failed.
  86      */
  87      test: function(cat, name, args) {
  88          args = args || [];
  89          var result, ua, test,
  90              cat_o = feature_tests[cat],
  91              feature = cat_o && cat_o[name];
  92  
  93          if (!feature) {
  94          } else {
  95  
  96              result = feature.result;
  97  
  98              if (Y.Lang.isUndefined(result)) {
  99  
 100                  ua = feature.ua;
 101                  if (ua) {
 102                      result = (Y.UA[ua]);
 103                  }
 104  
 105                  test = feature.test;
 106                  if (test && ((!ua) || result)) {
 107                      result = test.apply(Y, args);
 108                  }
 109  
 110                  feature.result = result;
 111              }
 112          }
 113  
 114          return result;
 115      }
 116  });
 117  
 118  // Y.Features.add("load", "1", {});
 119  // Y.Features.test("load", "1");
 120  // caps=1:1;2:0;3:1;
 121  
 122  /* This file is auto-generated by (yogi.js loader --mix --yes) */
 123  /*jshint maxlen:900, eqeqeq: false */
 124  var add = Y.Features.add;
 125  // app-transitions-native
 126  add('load', '0', {
 127      "name": "app-transitions-native",
 128      "test": function (Y) {
 129      var doc  = Y.config.doc,
 130          node = doc ? doc.documentElement : null;
 131  
 132      if (node && node.style) {
 133          return ('MozTransition' in node.style || 'WebkitTransition' in node.style || 'transition' in node.style);
 134      }
 135  
 136      return false;
 137  },
 138      "trigger": "app-transitions"
 139  });
 140  // autocomplete-list-keys
 141  add('load', '1', {
 142      "name": "autocomplete-list-keys",
 143      "test": function (Y) {
 144      // Only add keyboard support to autocomplete-list if this doesn't appear to
 145      // be an iOS or Android-based mobile device.
 146      //
 147      // There's currently no feasible way to actually detect whether a device has
 148      // a hardware keyboard, so this sniff will have to do. It can easily be
 149      // overridden by manually loading the autocomplete-list-keys module.
 150      //
 151      // Worth noting: even though iOS supports bluetooth keyboards, Mobile Safari
 152      // doesn't fire the keyboard events used by AutoCompleteList, so there's
 153      // no point loading the -keys module even when a bluetooth keyboard may be
 154      // available.
 155      return !(Y.UA.ios || Y.UA.android);
 156  },
 157      "trigger": "autocomplete-list"
 158  });
 159  // dd-gestures
 160  add('load', '2', {
 161      "name": "dd-gestures",
 162      "trigger": "dd-drag",
 163      "ua": "touchEnabled"
 164  });
 165  // dom-style-ie
 166  add('load', '3', {
 167      "name": "dom-style-ie",
 168      "test": function (Y) {
 169  
 170      var testFeature = Y.Features.test,
 171          addFeature = Y.Features.add,
 172          WINDOW = Y.config.win,
 173          DOCUMENT = Y.config.doc,
 174          DOCUMENT_ELEMENT = 'documentElement',
 175          ret = false;
 176  
 177      addFeature('style', 'computedStyle', {
 178          test: function() {
 179              return WINDOW && 'getComputedStyle' in WINDOW;
 180          }
 181      });
 182  
 183      addFeature('style', 'opacity', {
 184          test: function() {
 185              return DOCUMENT && 'opacity' in DOCUMENT[DOCUMENT_ELEMENT].style;
 186          }
 187      });
 188  
 189      ret =  (!testFeature('style', 'opacity') &&
 190              !testFeature('style', 'computedStyle'));
 191  
 192      return ret;
 193  },
 194      "trigger": "dom-style"
 195  });
 196  // editor-para-ie
 197  add('load', '4', {
 198      "name": "editor-para-ie",
 199      "trigger": "editor-para",
 200      "ua": "ie",
 201      "when": "instead"
 202  });
 203  // event-base-ie
 204  add('load', '5', {
 205      "name": "event-base-ie",
 206      "test": function(Y) {
 207      var imp = Y.config.doc && Y.config.doc.implementation;
 208      return (imp && (!imp.hasFeature('Events', '2.0')));
 209  },
 210      "trigger": "node-base"
 211  });
 212  // graphics-canvas
 213  add('load', '6', {
 214      "name": "graphics-canvas",
 215      "test": function(Y) {
 216      var DOCUMENT = Y.config.doc,
 217          useCanvas = Y.config.defaultGraphicEngine && Y.config.defaultGraphicEngine == "canvas",
 218          canvas = DOCUMENT && DOCUMENT.createElement("canvas"),
 219          svg = (DOCUMENT && DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"));
 220      return (!svg || useCanvas) && (canvas && canvas.getContext && canvas.getContext("2d"));
 221  },
 222      "trigger": "graphics"
 223  });
 224  // graphics-canvas-default
 225  add('load', '7', {
 226      "name": "graphics-canvas-default",
 227      "test": function(Y) {
 228      var DOCUMENT = Y.config.doc,
 229          useCanvas = Y.config.defaultGraphicEngine && Y.config.defaultGraphicEngine == "canvas",
 230          canvas = DOCUMENT && DOCUMENT.createElement("canvas"),
 231          svg = (DOCUMENT && DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"));
 232      return (!svg || useCanvas) && (canvas && canvas.getContext && canvas.getContext("2d"));
 233  },
 234      "trigger": "graphics"
 235  });
 236  // graphics-svg
 237  add('load', '8', {
 238      "name": "graphics-svg",
 239      "test": function(Y) {
 240      var DOCUMENT = Y.config.doc,
 241          useSVG = !Y.config.defaultGraphicEngine || Y.config.defaultGraphicEngine != "canvas",
 242          canvas = DOCUMENT && DOCUMENT.createElement("canvas"),
 243          svg = (DOCUMENT && DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"));
 244      
 245      return svg && (useSVG || !canvas);
 246  },
 247      "trigger": "graphics"
 248  });
 249  // graphics-svg-default
 250  add('load', '9', {
 251      "name": "graphics-svg-default",
 252      "test": function(Y) {
 253      var DOCUMENT = Y.config.doc,
 254          useSVG = !Y.config.defaultGraphicEngine || Y.config.defaultGraphicEngine != "canvas",
 255          canvas = DOCUMENT && DOCUMENT.createElement("canvas"),
 256          svg = (DOCUMENT && DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"));
 257      
 258      return svg && (useSVG || !canvas);
 259  },
 260      "trigger": "graphics"
 261  });
 262  // graphics-vml
 263  add('load', '10', {
 264      "name": "graphics-vml",
 265      "test": function(Y) {
 266      var DOCUMENT = Y.config.doc,
 267          canvas = DOCUMENT && DOCUMENT.createElement("canvas");
 268      return (DOCUMENT && !DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") && (!canvas || !canvas.getContext || !canvas.getContext("2d")));
 269  },
 270      "trigger": "graphics"
 271  });
 272  // graphics-vml-default
 273  add('load', '11', {
 274      "name": "graphics-vml-default",
 275      "test": function(Y) {
 276      var DOCUMENT = Y.config.doc,
 277          canvas = DOCUMENT && DOCUMENT.createElement("canvas");
 278      return (DOCUMENT && !DOCUMENT.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") && (!canvas || !canvas.getContext || !canvas.getContext("2d")));
 279  },
 280      "trigger": "graphics"
 281  });
 282  // history-hash-ie
 283  add('load', '12', {
 284      "name": "history-hash-ie",
 285      "test": function (Y) {
 286      var docMode = Y.config.doc && Y.config.doc.documentMode;
 287  
 288      return Y.UA.ie && (!('onhashchange' in Y.config.win) ||
 289              !docMode || docMode < 8);
 290  },
 291      "trigger": "history-hash"
 292  });
 293  // io-nodejs
 294  add('load', '13', {
 295      "name": "io-nodejs",
 296      "trigger": "io-base",
 297      "ua": "nodejs"
 298  });
 299  // json-parse-shim
 300  add('load', '14', {
 301      "name": "json-parse-shim",
 302      "test": function (Y) {
 303      var _JSON = Y.config.global.JSON,
 304          Native = Object.prototype.toString.call(_JSON) === '[object JSON]' && _JSON,
 305          nativeSupport = Y.config.useNativeJSONParse !== false && !!Native;
 306  
 307      function workingNative( k, v ) {
 308          return k === "ok" ? true : v;
 309      }
 310      
 311      // Double check basic functionality.  This is mainly to catch early broken
 312      // implementations of the JSON API in Firefox 3.1 beta1 and beta2
 313      if ( nativeSupport ) {
 314          try {
 315              nativeSupport = ( Native.parse( '{"ok":false}', workingNative ) ).ok;
 316          }
 317          catch ( e ) {
 318              nativeSupport = false;
 319          }
 320      }
 321  
 322      return !nativeSupport;
 323  },
 324      "trigger": "json-parse"
 325  });
 326  // json-stringify-shim
 327  add('load', '15', {
 328      "name": "json-stringify-shim",
 329      "test": function (Y) {
 330      var _JSON = Y.config.global.JSON,
 331          Native = Object.prototype.toString.call(_JSON) === '[object JSON]' && _JSON,
 332          nativeSupport = Y.config.useNativeJSONStringify !== false && !!Native;
 333  
 334      // Double check basic native functionality.  This is primarily to catch broken
 335      // early JSON API implementations in Firefox 3.1 beta1 and beta2.
 336      if ( nativeSupport ) {
 337          try {
 338              nativeSupport = ( '0' === Native.stringify(0) );
 339          } catch ( e ) {
 340              nativeSupport = false;
 341          }
 342      }
 343  
 344  
 345      return !nativeSupport;
 346  },
 347      "trigger": "json-stringify"
 348  });
 349  // scrollview-base-ie
 350  add('load', '16', {
 351      "name": "scrollview-base-ie",
 352      "trigger": "scrollview-base",
 353      "ua": "ie"
 354  });
 355  // selector-css2
 356  add('load', '17', {
 357      "name": "selector-css2",
 358      "test": function (Y) {
 359      var DOCUMENT = Y.config.doc,
 360          ret = DOCUMENT && !('querySelectorAll' in DOCUMENT);
 361  
 362      return ret;
 363  },
 364      "trigger": "selector"
 365  });
 366  // transition-timer
 367  add('load', '18', {
 368      "name": "transition-timer",
 369      "test": function (Y) {
 370      var DOCUMENT = Y.config.doc,
 371          node = (DOCUMENT) ? DOCUMENT.documentElement: null,
 372          ret = true;
 373  
 374      if (node && node.style) {
 375          ret = !('MozTransition' in node.style || 'WebkitTransition' in node.style || 'transition' in node.style);
 376      }
 377  
 378      return ret;
 379  },
 380      "trigger": "transition"
 381  });
 382  // widget-base-ie
 383  add('load', '19', {
 384      "name": "widget-base-ie",
 385      "trigger": "widget-base",
 386      "ua": "ie"
 387  });
 388  // yql-jsonp
 389  add('load', '20', {
 390      "name": "yql-jsonp",
 391      "test": function (Y) {
 392      /* Only load the JSONP module when not in nodejs or winjs
 393      TODO Make the winjs module a CORS module
 394      */
 395      return (!Y.UA.nodejs && !Y.UA.winjs);
 396  },
 397      "trigger": "yql"
 398  });
 399  // yql-nodejs
 400  add('load', '21', {
 401      "name": "yql-nodejs",
 402      "trigger": "yql",
 403      "ua": "nodejs"
 404  });
 405  // yql-winjs
 406  add('load', '22', {
 407      "name": "yql-winjs",
 408      "trigger": "yql",
 409      "ua": "winjs"
 410  });
 411  
 412  }, '3.17.2', {"requires": ["yui-base"]});