Refine filtering of share types.

SignalShareExtension/Info.plist

@@ -54,20 +54,19 @@
 		<key>NSExtensionAttributes</key>
 		<dict>
             <key>NSExtensionActivationRule</key>
-			<dict>
+            <string>SUBQUERY (
-				<key>NSExtensionActivationSupportsFileWithMaxCount</key>
+                extensionItems,
-				<integer>1</integer>
+                $extensionItem,
-				<key>NSExtensionActivationSupportsImageWithMaxCount</key>
+                SUBQUERY (
-				<integer>1</integer>
+                $extensionItem.attachments,
-				<key>NSExtensionActivationSupportsMovieWithMaxCount</key>
+                $attachment,
-				<integer>1</integer>
+                (
-				<key>NSExtensionActivationSupportsText</key>
+                ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.data"
-				<true/>
+                || ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.url"
-				<key>NSExtensionActivationSupportsWebPageWithMaxCount</key>
+                )
-				<integer>1</integer>
+                ).@count == 1
-				<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
+                ).@count == 1
-				<integer>1</integer>
+            </string>
-			</dict>
 		</dict>
 		<key>NSExtensionMainStoryboard</key>
 		<string>MainInterface</string>