CFBundleIconFile icon HPAPIAccessTokenPlatform macOS NSExtension NSExtensionAttributes NSExtensionActivationRule NSExtensionActivationSupportsText NSExtensionActivationSupportsWebPageWithMaxCount 1 NSExtensionActivationSupportsWebURLWithMaxCount 1 NSExtensionJavaScriptPreprocessingFile ShareExtensionHelper NSExtensionPointIdentifier com.apple.share-services NSExtensionPrincipalClass ShareViewController