Redesign "select signing key" api dialog

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/livedata/KeyInfoLiveData.java

@@ -0,0 +1,38 @@
+package org.sufficientlysecure.keychain.livedata;
+
+
+import java.util.List;
+
+import android.content.ContentResolver;
+import android.content.Context;
+
+import org.sufficientlysecure.keychain.livedata.KeyInfoInteractor.KeyInfo;
+import org.sufficientlysecure.keychain.livedata.KeyInfoInteractor.KeySelector;
+import org.sufficientlysecure.keychain.ui.keyview.loader.AsyncTaskLiveData;
+
+
+public class KeyInfoLiveData extends AsyncTaskLiveData<List<KeyInfo>> {
+    private final KeyInfoInteractor keyInfoInteractor;
+
+    private KeySelector keySelector;
+
+    public KeyInfoLiveData(Context context, ContentResolver contentResolver) {
+        super(context, null);
+
+        this.keyInfoInteractor = new KeyInfoInteractor(contentResolver);
+    }
+
+    public void setKeySelector(KeySelector keySelector) {
+        this.keySelector = keySelector;
+
+        updateDataInBackground();
+    }
+
+    @Override
+    protected List<KeyInfo> asyncLoadData() {
+        if (keySelector == null) {
+            return null;
+        }
+        return keyInfoInteractor.loadKeyInfo(keySelector);
+    }
+}

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/livedata/PgpKeyGenerationLiveData.java

@@ -0,0 +1,38 @@
+package org.sufficientlysecure.keychain.livedata;
+
+
+import android.content.Context;
+
+import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
+import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+import org.sufficientlysecure.keychain.ui.keyview.loader.AsyncTaskLiveData;
+import org.sufficientlysecure.keychain.util.ProgressScaler;
+
+
+public class PgpKeyGenerationLiveData extends AsyncTaskLiveData<PgpEditKeyResult> {
+    private SaveKeyringParcel saveKeyringParcel;
+
+    public PgpKeyGenerationLiveData(Context context) {
+        super(context, null);
+    }
+
+    public void setSaveKeyringParcel(SaveKeyringParcel saveKeyringParcel) {
+        if (this.saveKeyringParcel == saveKeyringParcel) {
+            return;
+        }
+        this.saveKeyringParcel = saveKeyringParcel;
+
+        updateDataInBackground();
+    }
+
+    @Override
+    protected PgpEditKeyResult asyncLoadData() {
+        if (saveKeyringParcel == null) {
+            return null;
+        }
+
+        PgpKeyOperation keyOperations = new PgpKeyOperation(new ProgressScaler());
+        return keyOperations.createSecretKeyRing(saveKeyringParcel);
+    }
+}