Merge afb-client

[src/app-framework-demo.git] / afb-client / bower_components / viewport-units-buggyfill / viewport-units-buggyfill.hacks.js

diff --git a/afb-client/bower_components/viewport-units-buggyfill/viewport-units-buggyfill.hacks.js b/afb-client/bower_components/viewport-units-buggyfill/viewport-units-buggyfill.hacks.js
new file mode 100644 (file)
index 0000000..b931629
--- /dev/null
+++ b/afb-client/bower_components/viewport-units-buggyfill/viewport-units-buggyfill.hacks.js
@@ -0,0 +1,138 @@
+/*!
+ * viewport-units-buggyfill.hacks v0.4.1
+ * @web: https://github.com/rodneyrehm/viewport-units-buggyfill/
+ * @author: Zoltan Hawryluk - http://www.useragentman.com/
+ */
+
+(function (root, factory) {
+  'use strict';
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define([], factory);
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but
+    // only CommonJS-like enviroments that support module.exports,
+    // like Node.
+    module.exports = factory();
+  } else {
+    // Browser globals (root is window)
+    root.viewportUnitsBuggyfillHacks = factory();
+  }
+}(this, function () {
+  'use strict';
+
+  var options;
+  var calcExpression = /calc\(/g;
+  var quoteExpression = /[\"\']/g;
+  var urlExpression = /url\([^\)]*\)/g;
+  var isOldInternetExplorer = false;
+  var supportsVminmax = true;
+  var supportsVminmaxCalc = true;
+
+  // WARNING!
+  // Do not remove the following conditional comment.
+  // It is required to identify the current version of IE
+
+  /*@cc_on
+
+  @if (@_jscript_version <= 10)
+    isOldInternetExplorer = true;
+    supportsVminmaxCalc = false;
+    supportsVminmax = false;
+  @end
+
+  @*/
+
+  // iOS SAFARI, IE9: abuse "content" if "use_css_content_hack" specified
+  // IE9: abuse "behavior" if "use_css_behavior_hack" specified
+  function checkHacks(declarations, rule, name, value) {
+    if (!options.contentHack && !options.behaviorHack) {
+      return;
+    }
+
+    if (name !== 'content' && name !== 'behavior') {
+      return;
+    }
+
+    var needsCalcFix = (options.contentHack && !supportsVminmaxCalc && name === 'content' && value.indexOf('use_css_content_hack') > -1);
+    var needsVminVmaxFix = (options.behaviorHack && !supportsVminmax && name === 'behavior' && value.indexOf('use_css_behavior_hack') > -1);
+    if (!needsCalcFix && !needsVminVmaxFix) {
+      return;
+    }
+
+    var fakeRules = value.replace(quoteExpression, '');
+    if (needsVminVmaxFix) {
+      fakeRules = fakeRules.replace(urlExpression, '');
+    }
+
+    fakeRules.split(';').forEach(function(fakeRuleElement) {
+      var fakeRule = fakeRuleElement.split(':');
+      if (fakeRule.length !== 2) {
+        return;
+      }
+
+      var name = fakeRule[0].trim();
+      var value = fakeRule[1].trim();
+      if (name === 'use_css_content_hack' || name === 'use_css_behavior_hack') {
+        return;
+      }
+
+      declarations.push([rule, name, value]);
+      if (calcExpression.test(value)) {
+        var webkitValue = value.replace(calcExpression, '-webkit-calc(');
+        declarations.push([rule, name, webkitValue]);
+      }
+    });
+  }
+
+  return {
+    required: function(options) {
+      return options.isMobileSafari || isOldInternetExplorer;
+    },
+
+    initialize: function(initOptions) {
+      options = initOptions;
+
+      // Test viewport units support in calc() expressions
+      var div = document.createElement('div');
+      div.style.width = '1vmax';
+      supportsVminmax = div.style.width !== '';
+
+      // there is no accurate way to detect this programmatically.
+      if (options.isMobileSafari) {
+        supportsVminmaxCalc = false;
+      }
+    },
+
+    initializeEvents: function(options, refresh, _refresh) {
+      if (options.force) {
+        return;
+      }
+
+      if (isOldInternetExplorer && !options._listeningToResize) {
+        window.addEventListener('resize', _refresh, true);
+        options._listeningToResize = true;
+      }
+    },
+
+    findDeclarations: function(declarations, rule, name, value) {
+      if (name === null) {
+        // KeyframesRule does not have a CSS-PropertyName
+        return;
+      }
+
+      checkHacks(declarations, rule, name, value);
+    },
+
+    overwriteDeclaration: function(rule, name, _value) {
+      if (isOldInternetExplorer && name === 'filter') {
+        // remove unit "px" from complex value, e.g.:
+        // filter: progid:DXImageTransform.Microsoft.DropShadow(OffX=5.4px, OffY=3.9px, Color=#000000);
+        _value = _value.replace(/px/g, '');
+      }
+
+      return _value;
+    }
+  };
+
+}));