split up filterSign and filterCertify in SelectSecretKeyFragment

Closes #588

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptAsymmetricFragment.java

@@ -247,6 +247,7 @@ public class EncryptAsymmetricFragment extends Fragment {
 
     private void selectSecretKey() {
         Intent intent = new Intent(getActivity(), SelectSecretKeyActivity.class);
+        intent.putExtra(SelectSecretKeyActivity.EXTRA_FILTER_SIGN, true);
         startActivityForResult(intent, REQUEST_CODE_SECRET_KEYS);
     }
 

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyActivity.java

@@ -28,10 +28,10 @@ import org.sufficientlysecure.keychain.R;
 public class SelectSecretKeyActivity extends ActionBarActivity {
 
     public static final String EXTRA_FILTER_CERTIFY = "filter_certify";
+    public static final String EXTRA_FILTER_SIGN = "filter_sign";
 
     public static final String RESULT_EXTRA_MASTER_KEY_ID = "master_key_id";
 
-    private boolean mFilterCertify;
     private SelectSecretKeyFragment mSelectFragment;
 
     @Override
@@ -45,7 +45,8 @@ public class SelectSecretKeyActivity extends ActionBarActivity {
         actionBar.setDisplayHomeAsUpEnabled(false);
         actionBar.setHomeButtonEnabled(false);
 
-        mFilterCertify = getIntent().getBooleanExtra(EXTRA_FILTER_CERTIFY, false);
+        boolean filterCertify = getIntent().getBooleanExtra(EXTRA_FILTER_CERTIFY, false);
+        boolean filterSign = getIntent().getBooleanExtra(EXTRA_FILTER_SIGN, false);
 
         // Check that the activity is using the layout version with
         // the fragment_container FrameLayout
@@ -59,7 +60,7 @@ public class SelectSecretKeyActivity extends ActionBarActivity {
             }
 
             // Create an instance of the fragment
-            mSelectFragment = SelectSecretKeyFragment.newInstance(mFilterCertify);
+            mSelectFragment = SelectSecretKeyFragment.newInstance(filterCertify, filterSign);
 
             // Add the fragment to the 'fragment_container' FrameLayout
             getSupportFragmentManager().beginTransaction()

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyFragment.java

@@ -41,18 +41,22 @@ public class SelectSecretKeyFragment extends ListFragment implements
     private SelectSecretKeyActivity mActivity;
     private SelectKeyCursorAdapter mAdapter;
 
-    private boolean mFilterCertify;
+    private boolean mFilterCertify, mFilterSign;
 
     private static final String ARG_FILTER_CERTIFY = "filter_certify";
+    private static final String ARG_FILTER_SIGN = "filter_sign";
 
     /**
      * Creates new instance of this fragment
+     *
+     * filterCertify and filterSign must not both be set!
      */
-    public static SelectSecretKeyFragment newInstance(boolean filterCertify) {
+    public static SelectSecretKeyFragment newInstance(boolean filterCertify, boolean filterSign) {
         SelectSecretKeyFragment frag = new SelectSecretKeyFragment();
 
         Bundle args = new Bundle();
         args.putBoolean(ARG_FILTER_CERTIFY, filterCertify);
+        args.putBoolean(ARG_FILTER_CERTIFY, filterSign);
         frag.setArguments(args);
 
         return frag;
@@ -63,6 +67,7 @@ public class SelectSecretKeyFragment extends ListFragment implements
         super.onCreate(savedInstanceState);
 
         mFilterCertify = getArguments().getBoolean(ARG_FILTER_CERTIFY);
+        mFilterSign = getArguments().getBoolean(ARG_FILTER_SIGN);
     }
 
     /**
@@ -115,9 +120,10 @@ public class SelectSecretKeyFragment extends ListFragment implements
                 KeyRings.USER_ID,
                 KeyRings.EXPIRY,
                 KeyRings.IS_REVOKED,
+                // can certify info only related to master key
                 KeyRings.CAN_CERTIFY,
+                // has sign may be any subkey
                 KeyRings.HAS_SIGN,
-                KeyRings.HAS_SECRET,
                 KeyRings.HAS_ANY_SECRET
         };
 
@@ -152,7 +158,7 @@ public class SelectSecretKeyFragment extends ListFragment implements
 
     private class SelectSecretKeyCursorAdapter extends SelectKeyCursorAdapter {
 
-        private int mIndexHasSecret, mIndexHasSign, mIndexCanCertify;
+        private int mIndexHasSign, mIndexCanCertify;
 
         public SelectSecretKeyCursorAdapter(Context context, Cursor c, int flags, ListView listView) {
             super(context, c, flags, listView);
@@ -162,7 +168,6 @@ public class SelectSecretKeyFragment extends ListFragment implements
         protected void initIndex(Cursor cursor) {
             super.initIndex(cursor);
             if (cursor != null) {
-                mIndexHasSecret = cursor.getColumnIndexOrThrow(KeyRings.HAS_SECRET);
                 mIndexCanCertify = cursor.getColumnIndexOrThrow(KeyRings.CAN_CERTIFY);
                 mIndexHasSign = cursor.getColumnIndexOrThrow(KeyRings.HAS_SIGN);
             }
@@ -179,23 +184,26 @@ public class SelectSecretKeyFragment extends ListFragment implements
             // Special from superclass: Te
             boolean enabled = false;
             if((Boolean) h.status.getTag()) {
-                if (cursor.getInt(mIndexHasSecret) == 0) {
-                    h.status.setText(R.string.no_subkey);
                 // Check if key is viable for our purposes (certify or sign)
-                } else if(mFilterCertify) {
+                if(mFilterCertify) {
+                    // Only enable if can certify
                     if (cursor.getInt(mIndexCanCertify) == 0) {
                         h.status.setText(R.string.can_certify_not);
                     } else {
                         h.status.setText(R.string.can_certify);
                         enabled = true;
                     }
-                } else {
+                } else if(mFilterSign) {
+                    // Only enable if can sign
                     if (cursor.getInt(mIndexHasSign) == 0) {
-                        h.status.setText(R.string.no_key);
+                        h.status.setText(R.string.can_sign_not);
                     } else {
                         h.status.setText(R.string.can_sign);
                         enabled = true;
                     }
+                } else {
+                    // No filters, just enable
+                    enabled = true;
                 }
             }
             h.setEnabled(enabled);

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyLayoutFragment.java

@@ -45,7 +45,7 @@ public class SelectSecretKeyLayoutFragment extends Fragment implements LoaderMan
     private TextView mKeyMasterKeyIdHex;
     private TextView mNoKeySelected;
     private BootstrapButton mSelectKeyButton;
-    private Boolean mFilterCertify;
+    private Boolean mFilterCertify, mFilterSign;
 
     private Uri mReceivedUri = null;
 
@@ -72,10 +72,14 @@ public class SelectSecretKeyLayoutFragment extends Fragment implements LoaderMan
         mCallback = callback;
     }
 
-    public void setFilterCertify(Boolean filterCertify) {
+    public void setFilterCertify(boolean filterCertify) {
         mFilterCertify = filterCertify;
     }
 
+    public void setFilterSign(boolean filterSign) {
+        mFilterSign = filterSign;
+    }
+
     public void setNoKeySelected() {
         mNoKeySelected.setVisibility(View.VISIBLE);
         mKeyUserId.setVisibility(View.GONE);
@@ -115,6 +119,7 @@ public class SelectSecretKeyLayoutFragment extends Fragment implements LoaderMan
         mSelectKeyButton = (BootstrapButton) view
                 .findViewById(R.id.select_secret_key_select_key_button);
         mFilterCertify = false;
+        mFilterSign = false;
         mSelectKeyButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -135,6 +140,7 @@ public class SelectSecretKeyLayoutFragment extends Fragment implements LoaderMan
     private void startSelectKeyActivity() {
         Intent intent = new Intent(getActivity(), SelectSecretKeyActivity.class);
         intent.putExtra(SelectSecretKeyActivity.EXTRA_FILTER_CERTIFY, mFilterCertify);
+        intent.putExtra(SelectSecretKeyActivity.EXTRA_FILTER_SIGN, mFilterSign);
         startActivityForResult(intent, REQUEST_CODE_SELECT_KEY);
     }
 

OpenKeychain/src/main/res/values/strings.xml

@@ -496,5 +496,6 @@
     <string name="key_stripped">stripped</string>
     <string name="secret_cannot_multiple">Secret keys can only be deleted individually!</string>
     <string name="title_view_cert">View Certificate Details</string>
+    <string name="can_sign_not">cannot sign</string>
 
 </resources>