ImportKeys: Add import single key from file

- Refactoring needed

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

@@ -45,6 +45,7 @@ import org.sufficientlysecure.keychain.keyimport.processing.BytesLoaderState;
 import org.sufficientlysecure.keychain.keyimport.processing.CloudLoaderState;
 import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListCloudLoader;
 import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListLoader;
+import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListener;
 import org.sufficientlysecure.keychain.keyimport.processing.LoaderState;
 import org.sufficientlysecure.keychain.operations.results.GetKeyResult;
 import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
@@ -70,6 +71,7 @@ public class ImportKeysListFragment extends Fragment implements
     public static final String ARG_CLOUD_SEARCH_PREFS = "cloud_search_prefs";
 
     private FragmentActivity mActivity;
+    private ImportKeysListener mCallback;
 
     private ImportKeysListFragmentBinding binding;
     private ParcelableProxy mParcelableProxy;
@@ -200,7 +202,7 @@ public class ImportKeysListFragment extends Fragment implements
         mRecyclerView.setLayoutManager(layoutManager);
 
         // Create an empty adapter we will use to display the loaded data.
-        mAdapter = new ImportKeysAdapter(mActivity, nonInteractive);
+        mAdapter = new ImportKeysAdapter(mActivity, mCallback, nonInteractive);
         mRecyclerView.setAdapter(mAdapter);
 
         if (dataUri != null || bytes != null) {
@@ -222,6 +224,18 @@ public class ImportKeysListFragment extends Fragment implements
         return view;
     }
 
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+
+        try {
+            mCallback = (ImportKeysListener) activity;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(activity.toString()
+                    + " must implement ImportKeysListener");
+        }
+    }
+
     @Override
     public void onRequestPermissionsResult(int requestCode,
                                            @NonNull String[] permissions,
@@ -297,6 +311,8 @@ public class ImportKeysListFragment extends Fragment implements
     ) {
         ArrayList<ImportKeysListEntry> result = data.getResult();
         binding.setStatus(result.size() > 0 ? STATUS_LOADED : STATUS_EMPTY);
+
+        mAdapter.setLoaderState(mLoaderState);
         mAdapter.setData(result);
 
         // free old cached key data

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java

@@ -19,12 +19,11 @@ package org.sufficientlysecure.keychain.ui.adapter;
 
 import android.content.Context;
 import android.graphics.Color;
-import android.support.v4.content.ContextCompat;
 import android.support.v7.widget.RecyclerView;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
@@ -32,6 +31,11 @@ import android.widget.TextView;
 import org.openintents.openpgp.util.OpenPgpUtils;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
+import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
+import org.sufficientlysecure.keychain.keyimport.processing.BytesLoaderState;
+import org.sufficientlysecure.keychain.keyimport.processing.CloudLoaderState;
+import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListener;
+import org.sufficientlysecure.keychain.keyimport.processing.LoaderState;
 import org.sufficientlysecure.keychain.operations.ImportOperation;
 import org.sufficientlysecure.keychain.pgp.KeyRing;
 import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
@@ -49,11 +53,16 @@ import java.util.Map;
 public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.ViewHolder> {
 
     private Context mContext;
+    private ImportKeysListener mListener;
     private boolean mNonInteractive;
+
+    private LoaderState mLoaderState;
     private List<ImportKeysListEntry> mData;
 
-    public ImportKeysAdapter(Context mContext, boolean mNonInteractive) {
+    public ImportKeysAdapter(Context mContext, ImportKeysListener listener, boolean mNonInteractive) {
+
         this.mContext = mContext;
+        this.mListener = listener;
         this.mNonInteractive = mNonInteractive;
     }
 
@@ -68,6 +77,7 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
         public ImageView status;
         public View userIdsDivider;
         public LinearLayout userIdsList;
+        public Button importButton;
 
         public ViewHolder(View container) {
             super(container);
@@ -80,6 +90,10 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
         notifyDataSetChanged();
     }
 
+    public void setLoaderState(LoaderState loaderState) {
+        this.mLoaderState = loaderState;
+    }
+
     public void setData(List<ImportKeysListEntry> data) {
         this.mData = data;
         notifyDataSetChanged();
@@ -119,6 +133,7 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
         vh.status = (ImageView) v.findViewById(R.id.import_item_status);
         vh.userIdsDivider = v.findViewById(R.id.import_item_status_divider);
         vh.userIdsList = (LinearLayout) v.findViewById(R.id.import_item_user_ids_list);
+        vh.importButton = (Button) v.findViewById(R.id.import_item_button);
 
         return vh;
     }
@@ -126,8 +141,19 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
     @Override
     public void onBindViewHolder(ViewHolder holder, int position) {
         final ImportKeysListEntry entry = mData.get(position);
-        Highlighter highlighter = new Highlighter(mContext, entry.getQuery());
 
+        holder.importButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mLoaderState instanceof BytesLoaderState) {
+                    mListener.importKey(new ParcelableKeyRing(entry.getEncodedRing()));
+                } else if (mLoaderState instanceof CloudLoaderState) {
+                    //TODO
+                }
+            }
+        });
+
+        Highlighter highlighter = new Highlighter(mContext, entry.getQuery());
         // main user id
         String userId = entry.getUserIds().get(0);
         OpenPgpUtils.UserId userIdSplit = KeyRing.splitUserId(userId);