SiVa warning improvements

* MOPPAND-822

Author: martenrebane

app/src/main/java/ee/ria/DigiDoc/android/signature/update/Intent.java

@@ -92,7 +92,7 @@ abstract class DocumentViewIntent implements Intent, Action {
         static DocumentViewIntent confirmation(File containerFile, DataFile document) {
             String containerFileExtension = getFileExtension(containerFile.getName()).toLowerCase(Locale.US);
             String documentFileExtension = getFileExtension(document.name()).toLowerCase(Locale.US);
-            if (!containerFileExtension.equals("pdf") && !documentFileExtension.equals("pdf") && SignedContainer.isContainer(containerFile)) {
+            if (!containerFileExtension.equals("pdf") && SignedContainer.isContainer(containerFile)) {
                 boolean isConfirmationNeeded;
                 try {
                     SignedContainer signedContainer = SignedContainer.open(containerFile);

app/src/main/java/ee/ria/DigiDoc/android/signature/update/Processor.java

@@ -208,10 +208,11 @@ final class Processor implements ObservableTransformer<Action, Result> {
                         .observeOn(AndroidSchedulers.mainThread())
                         .map(documentFile -> {
                             Transaction transaction;
+                            String containerFileExtension = getFileExtension(containerFile.getName()).toLowerCase(Locale.US);
                             String documentFileExtension = getFileExtension(documentFile.getName()).toLowerCase(Locale.US);
-                            boolean isSignedPdfDataFile =
+                            boolean isPdfInSignedPdfContainer = containerFileExtension.equals("pdf") &&
                                     (SivaUtil.isSivaConfirmationNeeded(ImmutableList.of(FileStream.create(documentFile))) && documentFileExtension.equals("pdf"));
-                            if (!isSignedPdfDataFile && SignedContainer.isContainer(documentFile)) {
+                            if (!isPdfInSignedPdfContainer && SignedContainer.isContainer(documentFile)) {
                                 transaction = Transaction.push(SignatureUpdateScreen
                                         .create(true, true, documentFile, false, false));
                             } else if (CryptoContainer.isContainerFileName(documentFile.getName())) {