fix handling of encryption wrt errors opening PDF file. (#119)

* fix handling of encryption wrt errors opening PDF file.
* open file panel only when there is no open window yet.

bepdf/beos/BepdfApplication.cpp

@@ -577,6 +577,7 @@ void BepdfApplication::RefsReceived(BMessage *msg)
 			BRect rect(mSettings->GetWindowRect());
 			bool ok;
 			bool encrypted = false;
+
 			if (mWindow == NULL) {
 				win = new PDFWindow(&ref, rect, owner, user, &encrypted);
 				ok = win->IsOk();
@@ -591,13 +592,15 @@ void BepdfApplication::RefsReceived(BMessage *msg)
 				if (!encrypted) {
 			 		BAlert *error = new BAlert(B_TRANSLATE("Error"), B_TRANSLATE("BePDF: Error opening file!"), B_TRANSLATE("Close"), NULL, NULL, B_WIDTH_AS_USUAL, B_STOP_ALERT);
 			 		error->Go();
-		 		}
 
+                    if (mWindow == NULL) {  // fixme: always true even if a PDF window is already open!
+                        OpenFilePanel();
+                    }
+		 		} else {
+		 			new PasswordWindow(&ref, rect, this);
+                }
 		 		if (mWindow == NULL) delete win;
 
-		 		if (encrypted) {
-		 			new PasswordWindow(&ref, rect, this);
-		 		}
 			} else if (mWindow == NULL) {
 				mWindow = win;
 				win->Show();

bepdf/beos/PDFView.cpp

@@ -232,6 +232,9 @@ PDFView::MakeTitleString(BPath* path) {
 bool
 PDFView::OpenFile(entry_ref *ref, const char *ownerPassword, const char *userPassword, bool *encrypted) {
 	BEntry entry (ref, true);
+    if (!entry.Exists()) {
+        return false;
+    }
 	BPath path;
 	entry.GetPath (&path);
 
@@ -245,11 +248,8 @@ PDFView::OpenFile(entry_ref *ref, const char *ownerPassword, const char *userPas
 	UpdatePanelDirectory(&path);
 
 	bool ok = newDoc->isOk();
-	// xpdf 3.01 returns false even PDF file is password protected?!?
-	*encrypted = true; // newDoc->isEncrypted();
-//	fprintf(stderr, "ok %s encrypted %s\n",
-//		ok ? "yes" : "no",
-//		(*encrypted) ? "yes" : "no");
+	*encrypted = newDoc->isEncrypted();
+
 	if (ok) {
 		delete mDoc;
 		mDoc = newDoc;