1 |
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2 | var CSSOM = {
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3 | CSSStyleSheet: require("./CSSStyleSheet").CSSStyleSheet,
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4 | CSSStyleRule: require("./CSSStyleRule").CSSStyleRule,
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5 | CSSMediaRule: require("./CSSMediaRule").CSSMediaRule,
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6 | CSSSupportsRule: require("./CSSSupportsRule").CSSSupportsRule,
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7 | CSSStyleDeclaration: require("./CSSStyleDeclaration").CSSStyleDeclaration,
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8 | CSSKeyframeRule: require('./CSSKeyframeRule').CSSKeyframeRule,
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9 | CSSKeyframesRule: require('./CSSKeyframesRule').CSSKeyframesRule
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10 | };
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11 |
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12 |
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13 |
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14 |
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15 |
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16 |
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17 |
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18 |
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19 |
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20 | CSSOM.clone = function clone(stylesheet) {
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21 |
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22 | var cloned = new CSSOM.CSSStyleSheet();
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23 |
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24 | var rules = stylesheet.cssRules;
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25 | if (!rules) {
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26 | return cloned;
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27 | }
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28 |
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29 | var RULE_TYPES = {
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30 | 1: CSSOM.CSSStyleRule,
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31 | 4: CSSOM.CSSMediaRule,
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32 |
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33 |
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34 |
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35 | 8: CSSOM.CSSKeyframesRule,
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36 | 9: CSSOM.CSSKeyframeRule,
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37 | 12: CSSOM.CSSSupportsRule
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38 | };
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39 |
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40 | for (var i=0, rulesLength=rules.length; i < rulesLength; i++) {
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41 | var rule = rules[i];
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42 | var ruleClone = cloned.cssRules[i] = new RULE_TYPES[rule.type]();
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43 |
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44 | var style = rule.style;
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45 | if (style) {
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46 | var styleClone = ruleClone.style = new CSSOM.CSSStyleDeclaration();
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47 | for (var j=0, styleLength=style.length; j < styleLength; j++) {
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48 | var name = styleClone[j] = style[j];
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49 | styleClone[name] = style[name];
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50 | styleClone._importants[name] = style.getPropertyPriority(name);
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51 | }
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52 | styleClone.length = style.length;
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53 | }
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54 |
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55 | if (rule.hasOwnProperty('keyText')) {
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56 | ruleClone.keyText = rule.keyText;
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57 | }
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58 |
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59 | if (rule.hasOwnProperty('selectorText')) {
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60 | ruleClone.selectorText = rule.selectorText;
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61 | }
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62 |
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63 | if (rule.hasOwnProperty('mediaText')) {
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64 | ruleClone.mediaText = rule.mediaText;
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65 | }
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66 |
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67 | if (rule.hasOwnProperty('conditionText')) {
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68 | ruleClone.conditionText = rule.conditionText;
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69 | }
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70 |
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71 | if (rule.hasOwnProperty('cssRules')) {
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72 | ruleClone.cssRules = clone(rule).cssRules;
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73 | }
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74 | }
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75 |
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76 | return cloned;
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77 |
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78 | };
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79 |
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80 |
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81 | exports.clone = CSSOM.clone;
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82 |
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