Fix Polymer licensing issues

third_party/web-animations-js/sources/src/position-handler.js

-// Copyright 2014 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-//   You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//   See the License for the specific language governing permissions and
-// limitations under the License.
-
-(function(scope) {
-
-  function negateDimension(dimension) {
-    var result = {};
-    for (var k in dimension) {
-      result[k] = -dimension[k];
-    }
-    return result;
-  }
-
-  function consumeOffset(string) {
-    return scope.consumeToken(/^(left|center|right|top|bottom)\b/i, string) || scope.consumeLengthOrPercent(string);
-  }
-
-  var offsetMap = {
-    left: {'%': 0},
-    center: {'%': 50},
-    right: {'%': 100},
-    top: {'%': 0},
-    bottom: {'%': 100},
-  };
-
-  function parseOrigin(slots, string) {
-    var result = scope.consumeRepeated(consumeOffset, /^/, string);
-    if (!result || result[1] != '') return;
-    var tokens = result[0];
-    tokens[0] = tokens[0] || 'center';
-    tokens[1] = tokens[1] || 'center';
-    if (slots == 3) {
-      tokens[2] = tokens[2] || {px: 0};
-    }
-    if (tokens.length != slots) {
-      return;
-    }
-    // Reorder so that the horizontal axis comes first.
-    if (/top|bottom/.test(tokens[0]) || /left|right/.test(tokens[1])) {
-      var tmp = tokens[0];
-      tokens[0] = tokens[1];
-      tokens[1] = tmp;
-    }
-    // Invalid if not horizontal then vertical.
-    if (!/left|right|center|Object/.test(tokens[0]))
-      return;
-    if (!/top|bottom|center|Object/.test(tokens[1]))
-      return;
-    return tokens.map(function(position) {
-      return typeof position == 'object' ? position : offsetMap[position];
-    });
-  }
-
-  var mergeOffsetList = scope.mergeNestedRepeated.bind(null, scope.mergeDimensions, ' ');
-  scope.addPropertiesHandler(parseOrigin.bind(null, 3), mergeOffsetList, ['transform-origin']);
-  scope.addPropertiesHandler(parseOrigin.bind(null, 2), mergeOffsetList, ['perspective-origin']);
-
-  function consumePosition(string) {
-    var result = scope.consumeRepeated(consumeOffset, /^/, string);
-    if (!result) {
-      return;
-    }
-
-    var tokens = result[0];
-    var out = [{'%': 50}, {'%': 50}];
-    var pos = 0;
-    var bottomOrRight = false;
-
-    for (var i = 0; i < tokens.length; i++) {
-      var token = tokens[i];
-      if (typeof token == 'string') {
-        bottomOrRight = /bottom|right/.test(token);
-        pos = {left: 0, right: 0, center: pos, top: 1, bottom: 1}[token];
-        out[pos] = offsetMap[token];
-        if (token == 'center') {
-          // Center doesn't accept a length offset.
-          pos++;
-        }
-      } else {
-        if (bottomOrRight) {
-          // If bottom or right we need to subtract the length from 100%
-          token = negateDimension(token);
-          token['%'] = (token['%'] || 0) + 100;
-        }
-        out[pos] = token;
-        pos++;
-        bottomOrRight = false;
-      }
-    }
-    return [out, result[1]];
-  }
-
-  function parsePositionList(string) {
-    var result = scope.consumeRepeated(consumePosition, /^,/, string);
-    if (result && result[1] == '') {
-      return result[0];
-    }
-  }
-
-  scope.consumePosition = consumePosition;
-  scope.mergeOffsetList = mergeOffsetList;
-
-  var mergePositionList = scope.mergeNestedRepeated.bind(null, mergeOffsetList, ', ');
-  scope.addPropertiesHandler(parsePositionList, mergePositionList, ['background-position', 'object-position']);
-
-})(webAnimations1);