| exports.availableDocumentFeatures = [ |
| 'FetchExternalResources', |
| 'ProcessExternalResources', |
| 'MutationEvents', |
| 'SkipExternalResources' |
| ]; |
| |
| exports.defaultDocumentFeatures = { |
| "FetchExternalResources": ['script', 'link'/*, 'img', 'css', 'frame'*/], |
| "ProcessExternalResources": ['script'/*, 'frame', 'iframe'*/], |
| "MutationEvents": '2.0', |
| "SkipExternalResources": false |
| }; |
| |
| exports.applyDocumentFeatures = function(doc, features) { |
| var i, maxFeatures = exports.availableDocumentFeatures.length, |
| defaultFeatures = exports.defaultDocumentFeatures, |
| j, |
| k, |
| featureName, |
| featureSource; |
| |
| features = features || {}; |
| |
| for (i=0; i<maxFeatures; i++) { |
| featureName = exports.availableDocumentFeatures[i]; |
| if (typeof features[featureName] !== 'undefined') { |
| featureSource = features[featureName]; |
| // We have to check the lowercase version also because the Document feature |
| // methods convert everything to lowercase. |
| } else if (typeof features[featureName.toLowerCase()] !== 'undefined') { |
| featureSource = features[featureName.toLowerCase()]; |
| } else if (defaultFeatures[featureName]) { |
| featureSource = defaultFeatures[featureName]; |
| } else { |
| continue; |
| } |
| |
| doc.implementation._removeFeature(featureName); |
| |
| if (typeof featureSource !== 'undefined') { |
| if (featureSource instanceof Array) { |
| k = featureSource.length; |
| for (j=0; j<k; j++) { |
| doc.implementation._addFeature(featureName, featureSource[j]); |
| } |
| } else { |
| doc.implementation._addFeature(featureName, featureSource); |
| } |
| } |
| } |
| }; |
