Work on multiselect in key list

6 files changed, 198 insertions, 308 deletions

diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListActivity.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListActivity.java
index 4d1849029..5b69f9218 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListActivity.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListActivity.java
@@ -225,9 +225,9 @@ public class KeyListActivity extends SherlockFragmentActivity {
     /**
      * Show dialog to delete key
      * 
-     * @param keyRingId
+     * @param keyRingIds
      */
-    public void showDeleteKeyDialog(long keyRingId) {
+    public void showDeleteKeyDialog(long[] keyRingIds) {
         // Message is received after key is deleted
         Handler returnHandler = new Handler() {
             @Override
@@ -242,7 +242,7 @@ public class KeyListActivity extends SherlockFragmentActivity {
         Messenger messenger = new Messenger(returnHandler);
 
         DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
-                keyRingId, mKeyType);
+                keyRingIds, mKeyType);
 
         deleteKeyDialog.show(getSupportFragmentManager(), "deleteKeyDialog");
     }
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java
index 27461875a..ed8427fd0 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java
@@ -17,12 +17,16 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import java.util.ArrayList;
+import java.util.Set;
+
 import org.sufficientlysecure.keychain.Id;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.ui.adapter.KeyListPublicAdapter;
+import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
 
 import se.emilsjolander.stickylistheaders.ApiLevelTooLowException;
 import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
@@ -30,23 +34,32 @@ import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.os.Messenger;
+import android.provider.BaseColumns;
+import android.support.v4.app.Fragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
+import android.view.ActionMode;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AbsListView.MultiChoiceModeListener;
 import android.widget.AdapterView;
-
-import com.actionbarsherlock.app.SherlockFragment;
+import android.widget.ListView;
 
 /**
  * Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
  * StickyListHeaders library which does not extend upon ListView.
  */
-public class KeyListPublicFragment extends SherlockFragment implements
-        AdapterView.OnItemClickListener, LoaderManager.LoaderCallbacks<Cursor> {
+public class KeyListPublicFragment extends Fragment implements AdapterView.OnItemClickListener,
+        LoaderManager.LoaderCallbacks<Cursor> {
 
     private KeyListPublicActivity mKeyListPublicActivity;
     private KeyListPublicAdapter mAdapter;
@@ -84,6 +97,73 @@ public class KeyListPublicFragment extends SherlockFragment implements
         // this view is made visible if no data is available
         mStickyList.setEmptyView(getActivity().findViewById(R.id.empty));
 
+        /*
+         * ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
+         * available for Android >= 3.0
+         */
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+            mStickyList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
+            mStickyList.getWrappedList().setMultiChoiceModeListener(new MultiChoiceModeListener() {
+
+                private int count = 0;
+
+                @Override
+                public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+                    android.view.MenuInflater inflater = getActivity().getMenuInflater();
+                    inflater.inflate(R.menu.key_list_multi_selection, menu);
+                    return true;
+                }
+
+                @Override
+                public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+                    return false;
+                }
+
+                @Override
+                public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+                    // StringBuilder sb = new StringBuilder();
+                    Set<Integer> positions = mAdapter.getCurrentCheckedPosition();
+                    // for (Integer pos : positions) {
+                    // sb.append(" " + pos + ",");
+                    // }
+                    switch (item.getItemId()) {
+                    case R.id.delete_entry:
+                        long[] ids = new long[positions.size()];
+                        for (int i=0; i < positions.size(); i++) {
+                            ids[i] = mAdapter.getItemId(positions.);
+                        }
+                        showDeleteKeyDialog(ids.to);
+
+                        break;
+                    }
+                    return false;
+                }
+
+                @Override
+                public void onDestroyActionMode(ActionMode mode) {
+                    count = 0;
+                    mAdapter.clearSelection();
+                }
+
+                @Override
+                public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
+                        boolean checked) {
+                    if (checked) {
+                        count++;
+                        mAdapter.setNewSelection(position, checked);
+                    } else {
+                        count--;
+                        mAdapter.removeSelection(position);
+                    }
+
+                    String keysSelected = getResources().getQuantityString(
+                            R.plurals.key_list_selected_keys, count, count);
+                    mode.setTitle(keysSelected);
+                }
+
+            });
+        }
+
         // NOTE: Not supported by StickyListHeader, thus no indicator is shown while loading
         // Start out with a progress indicator.
         // setListShown(false);
@@ -152,4 +232,31 @@ public class KeyListPublicFragment extends SherlockFragment implements
         startActivity(detailsIntent);
     }
 
-}
+    /**
+     * Show dialog to delete key
+     * 
+     * TODO: no messenger needed etc!
+     * 
+     * @param keyRingRowIds
+     */
+    public void showDeleteKeyDialog(long[] keyRingRowIds) {
+        // Message is received after key is deleted
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) {
+                    // no further actions needed
+                }
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        Messenger messenger = new Messenger(returnHandler);
+
+        DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
+                keyRingRowIds, Id.type.public_key);
+
+        deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
+    }
+
+}
\ No newline at end of file
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java
deleted file mode 100644
index 4719d1d1c..000000000
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.sufficientlysecure.keychain.ui.adapter;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.Id;
-import org.sufficientlysecure.keychain.helper.OtherHelper;
-import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
-import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
-import org.sufficientlysecure.keychain.util.Log;
-import org.sufficientlysecure.keychain.R;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.database.DatabaseUtils;
-import android.database.MergeCursor;
-import android.net.Uri;
-import android.provider.BaseColumns;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CursorTreeAdapter;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-public class KeyListAdapter extends CursorTreeAdapter {
-    private Context mContext;
-    private LayoutInflater mInflater;
-
-    protected int mKeyType;
-
-    private static final int CHILD_KEY = 0;
-    private static final int CHILD_USER_ID = 1;
-    private static final int CHILD_FINGERPRINT = 2;
-
-    public KeyListAdapter(Context context, Cursor groupCursor, int keyType) {
-        super(groupCursor, context);
-        mContext = context;
-        mInflater = LayoutInflater.from(context);
-        mKeyType = keyType;
-    }
-
-    /**
-     * Inflate new view for group items
-     */
-    @Override
-    public View newGroupView(Context context, Cursor cursor, boolean isExpanded, ViewGroup parent) {
-        return mInflater.inflate(R.layout.key_list_item, null);
-    }
-
-    /**
-     * Binds TextViews from group view to results from database group cursor.
-     */
-    @Override
-    protected void bindGroupView(View view, Context context, Cursor cursor, boolean isExpanded) {
-        int userIdIndex = cursor.getColumnIndex(UserIds.USER_ID);
-
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        mainUserId.setText(R.string.unknown_user_id);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-        mainUserIdRest.setText("");
-
-        String userId = cursor.getString(userIdIndex);
-        if (userId != null) {
-            String[] userIdSplit = OtherHelper.splitUserId(userId);
-
-            if (userIdSplit[1] != null) {
-                mainUserIdRest.setText(userIdSplit[1]);
-            }
-            mainUserId.setText(userIdSplit[0]);
-        }
-
-        if (mainUserId.getText().length() == 0) {
-            mainUserId.setText(R.string.unknown_user_id);
-        }
-
-        if (mainUserIdRest.getText().length() == 0) {
-            mainUserIdRest.setVisibility(View.GONE);
-        } else {
-            mainUserIdRest.setVisibility(View.VISIBLE);
-        }
-    }
-
-    /**
-     * Inflate new view for child items
-     */
-    @Override
-    public View newChildView(Context context, Cursor cursor, boolean isLastChild, ViewGroup parent) {
-        return mInflater.inflate(R.layout.key_list_child_item, null);
-    }
-
-    /**
-     * Bind TextViews from view of childs based on query results
-     */
-    @Override
-    protected void bindChildView(View view, Context context, Cursor cursor, boolean isLastChild) {
-        LinearLayout keyLayout = (LinearLayout) view.findViewById(R.id.keyLayout);
-        LinearLayout userIdLayout = (LinearLayout) view.findViewById(R.id.userIdLayout);
-
-        // first entry is fingerprint
-        if (cursor.getPosition() == 0) {
-            // show only userId layout
-            keyLayout.setVisibility(View.GONE);
-            userIdLayout.setVisibility(View.VISIBLE);
-
-            String fingerprint = PgpKeyHelper.getFingerPrint(context,
-                    cursor.getLong(cursor.getColumnIndex(Keys.KEY_ID)));
-            fingerprint = fingerprint.replace("  ", "\n");
-
-            TextView userId = (TextView) view.findViewById(R.id.userId);
-            if (userId == null) {
-                Log.d(Constants.TAG, "userId is null!");
-            }
-            userId.setText(context.getString(R.string.fingerprint) + "\n" + fingerprint);
-        } else {
-            // differentiate between keys and userIds in MergeCursor
-            if (cursor.getColumnIndex(Keys.KEY_ID) != -1) {
-                keyLayout.setVisibility(View.VISIBLE);
-                userIdLayout.setVisibility(View.GONE);
-
-                String keyIdStr = PgpKeyHelper.convertKeyIdToHex(cursor.getLong(cursor
-                        .getColumnIndex(Keys.KEY_ID)));
-                String algorithmStr = PgpKeyHelper.getAlgorithmInfo(
-                        cursor.getInt(cursor.getColumnIndex(Keys.ALGORITHM)),
-                        cursor.getInt(cursor.getColumnIndex(Keys.KEY_SIZE)));
-
-                TextView keyId = (TextView) view.findViewById(R.id.keyId);
-                keyId.setText(keyIdStr);
-
-                TextView keyDetails = (TextView) view.findViewById(R.id.keyDetails);
-                keyDetails.setText("(" + algorithmStr + ")");
-
-                ImageView masterKeyIcon = (ImageView) view.findViewById(R.id.ic_masterKey);
-                if (cursor.getInt(cursor.getColumnIndex(Keys.IS_MASTER_KEY)) != 1) {
-                    masterKeyIcon.setVisibility(View.INVISIBLE);
-                } else {
-                    masterKeyIcon.setVisibility(View.VISIBLE);
-                }
-
-                ImageView certifyIcon = (ImageView) view.findViewById(R.id.ic_certifyKey);
-                if (cursor.getInt(cursor.getColumnIndex(Keys.CAN_CERTIFY)) != 1) {
-                    certifyIcon.setVisibility(View.GONE);
-                } else {
-                    certifyIcon.setVisibility(View.VISIBLE);
-                }
-
-                ImageView encryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey);
-                if (cursor.getInt(cursor.getColumnIndex(Keys.CAN_ENCRYPT)) != 1) {
-                    encryptIcon.setVisibility(View.GONE);
-                } else {
-                    encryptIcon.setVisibility(View.VISIBLE);
-                }
-
-                ImageView signIcon = (ImageView) view.findViewById(R.id.ic_signKey);
-                if (cursor.getInt(cursor.getColumnIndex(Keys.CAN_SIGN)) != 1) {
-                        signIcon.setVisibility(View.GONE);
-                } else {
-                    signIcon.setVisibility(View.VISIBLE);
-                }
-            } else {
-                keyLayout.setVisibility(View.GONE);
-                userIdLayout.setVisibility(View.VISIBLE);
-
-                String userIdStr = cursor.getString(cursor.getColumnIndex(UserIds.USER_ID));
-
-                TextView userId = (TextView) view.findViewById(R.id.userId);
-                userId.setText(userIdStr);
-            }
-        }
-    }
-
-    /**
-     * Given the group cursor, we start cursors for a fingerprint, keys, and userIds, which are
-     * merged together and build the child cursor
-     */
-    @Override
-    protected Cursor getChildrenCursor(Cursor groupCursor) {
-        final long keyRingRowId = groupCursor.getLong(groupCursor.getColumnIndex(BaseColumns._ID));
-
-        Cursor fingerprintCursor = getChildCursor(keyRingRowId, CHILD_FINGERPRINT);
-        Cursor keyCursor = getChildCursor(keyRingRowId, CHILD_KEY);
-        Cursor userIdCursor = getChildCursor(keyRingRowId, CHILD_USER_ID);
-
-        MergeCursor mergeCursor = new MergeCursor(new Cursor[] { fingerprintCursor, keyCursor,
-                userIdCursor });
-        Log.d(Constants.TAG, "mergeCursor:" + DatabaseUtils.dumpCursorToString(mergeCursor));
-
-        return mergeCursor;
-    }
-
-    /**
-     * This builds a cursor for a specific type of children
-     * 
-     * @param keyRingRowId
-     *            foreign row id of the keyRing
-     * @param type
-     * @return
-     */
-    private Cursor getChildCursor(long keyRingRowId, int type) {
-        Uri uri = null;
-        String[] projection = null;
-        String sortOrder = null;
-        String selection = null;
-
-        switch (type) {
-        case CHILD_FINGERPRINT:
-            projection = new String[] { Keys._ID, Keys.KEY_ID, Keys.IS_MASTER_KEY, Keys.ALGORITHM,
-                    Keys.KEY_SIZE, Keys.CAN_CERTIFY, Keys.CAN_SIGN, Keys.CAN_ENCRYPT, };
-            sortOrder = Keys.RANK + " ASC";
-
-            // use only master key for fingerprint
-            selection = Keys.IS_MASTER_KEY + " = 1 ";
-
-            if (mKeyType == Id.type.public_key) {
-                uri = Keys.buildPublicKeysUri(String.valueOf(keyRingRowId));
-            } else {
-                uri = Keys.buildSecretKeysUri(String.valueOf(keyRingRowId));
-            }
-            break;
-
-        case CHILD_KEY:
-            projection = new String[] { Keys._ID, Keys.KEY_ID, Keys.IS_MASTER_KEY, Keys.ALGORITHM,
-                    Keys.KEY_SIZE, Keys.CAN_CERTIFY, Keys.CAN_SIGN, Keys.CAN_ENCRYPT, };
-            sortOrder = Keys.RANK + " ASC";
-
-            if (mKeyType == Id.type.public_key) {
-                uri = Keys.buildPublicKeysUri(String.valueOf(keyRingRowId));
-            } else {
-                uri = Keys.buildSecretKeysUri(String.valueOf(keyRingRowId));
-            }
-
-            break;
-
-        case CHILD_USER_ID:
-            projection = new String[] { UserIds._ID, UserIds.USER_ID, UserIds.RANK, };
-            sortOrder = UserIds.RANK + " ASC";
-
-            // not the main user id
-            selection = UserIds.RANK + " > 0 ";
-
-            if (mKeyType == Id.type.public_key) {
-                uri = UserIds.buildPublicUserIdsUri(String.valueOf(keyRingRowId));
-            } else {
-                uri = UserIds.buildSecretUserIdsUri(String.valueOf(keyRingRowId));
-            }
-
-            break;
-
-        default:
-            return null;
-
-        }
-
-        return mContext.getContentResolver().query(uri, projection, selection, null, sortOrder);
-    }
-
-}
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java
index 83c46021c..5f71c9805 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListPublicAdapter.java
@@ -17,15 +17,18 @@
 
 package org.sufficientlysecure.keychain.ui.adapter;
 
+import java.util.HashMap;
+import java.util.Set;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.helper.OtherHelper;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.util.Log;
-
 import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.database.Cursor;
+import android.graphics.Color;
 import android.support.v4.widget.CursorAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -39,6 +42,9 @@ public class KeyListPublicAdapter extends CursorAdapter implements StickyListHea
     private LayoutInflater mInflater;
     private int mSectionColumnIndex;
 
+    @SuppressLint("UseSparseArrays")
+    private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
+
     public KeyListPublicAdapter(Context context, Cursor c, int flags, int sectionColumnIndex) {
         super(context, c, flags);
 
@@ -138,7 +144,8 @@ public class KeyListPublicAdapter extends CursorAdapter implements StickyListHea
         }
 
         // return the first character of the name as ID because this is what
-        // headers are based upon
+        // headers private HashMap<Integer, Boolean> mSelection = new HashMap<Integer,
+        // Boolean>();are based upon
         return mCursor.getString(mSectionColumnIndex).subSequence(0, 1).charAt(0);
     }
 
@@ -146,4 +153,46 @@ public class KeyListPublicAdapter extends CursorAdapter implements StickyListHea
         TextView text;
     }
 
+    /** -------------------------- MULTI-SELECTION METHODS -------------- */
+    public void setNewSelection(int position, boolean value) {
+        mSelection.put(position, value);
+        notifyDataSetChanged();
+    }
+
+    public boolean isPositionChecked(int position) {
+        Boolean result = mSelection.get(position);
+        return result == null ? false : result;
+    }
+
+    public Set<Integer> getCurrentCheckedPosition() {
+        return mSelection.keySet();
+    }
+
+    public void removeSelection(int position) {
+        mSelection.remove(position);
+        notifyDataSetChanged();
+    }
+
+    public void clearSelection() {
+        mSelection.clear();
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        // let the adapter handle setting up the row views
+        View v = super.getView(position, convertView, parent);
+
+        /**
+         * Change color for multi-selection
+         */
+        // default color
+        v.setBackgroundColor(Color.TRANSPARENT);
+        if (mSelection.get(position) != null) {
+            // this is a selected position, change color!
+            v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
+        }
+        return v;
+    }
+
 }
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
index 6315f84fb..2fda8a9f7 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
@@ -19,19 +19,14 @@ package org.sufficientlysecure.keychain.ui.adapter;
 
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.helper.OtherHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract.ApiApps;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 
 import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.database.Cursor;
 import android.support.v4.widget.CursorAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
 import android.widget.TextView;
 
 public class KeyListSecretAdapter extends CursorAdapter {
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
index 638702b57..101167777 100644
--- a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
@@ -38,7 +38,7 @@ import android.support.v4.app.FragmentActivity;
 
 public class DeleteKeyDialogFragment extends DialogFragment {
     private static final String ARG_MESSENGER = "messenger";
-    private static final String ARG_DELETE_KEY_RING_ROW_ID = "delete_file";
+    private static final String ARG_DELETE_KEY_RING_ROW_IDS = "delete_file";
     private static final String ARG_KEY_TYPE = "key_type";
 
     public static final int MESSAGE_OKAY = 1;
@@ -48,13 +48,13 @@ public class DeleteKeyDialogFragment extends DialogFragment {
     /**
      * Creates new instance of this delete file dialog fragment
      */
-    public static DeleteKeyDialogFragment newInstance(Messenger messenger, long deleteKeyRingRowId,
+    public static DeleteKeyDialogFragment newInstance(Messenger messenger, long[] keyRingRowIds,
             int keyType) {
         DeleteKeyDialogFragment frag = new DeleteKeyDialogFragment();
         Bundle args = new Bundle();
 
         args.putParcelable(ARG_MESSENGER, messenger);
-        args.putLong(ARG_DELETE_KEY_RING_ROW_ID, deleteKeyRingRowId);
+        args.putLongArray(ARG_DELETE_KEY_RING_ROW_IDS, keyRingRowIds);
         args.putInt(ARG_KEY_TYPE, keyType);
 
         frag.setArguments(args);
@@ -70,36 +70,48 @@ public class DeleteKeyDialogFragment extends DialogFragment {
         final FragmentActivity activity = getActivity();
         mMessenger = getArguments().getParcelable(ARG_MESSENGER);
 
-        final long deleteKeyRingRowId = getArguments().getLong(ARG_DELETE_KEY_RING_ROW_ID);
+        final long[] keyRingRowIds = getArguments().getLongArray(ARG_DELETE_KEY_RING_ROW_IDS);
         final int keyType = getArguments().getInt(ARG_KEY_TYPE);
 
-        // TODO: better way to do this?
-        String userId = activity.getString(R.string.unknown_user_id);
+        AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+        builder.setTitle(R.string.warning);
+
+        if (keyRingRowIds.length == 1) {
+            // TODO: better way to do this?
+            String userId = activity.getString(R.string.unknown_user_id);
+
+            if (keyType == Id.type.public_key) {
+                PGPPublicKeyRing keyRing = ProviderHelper.getPGPPublicKeyRingByRowId(activity,
+                        keyRingRowIds[0]);
+                userId = PgpKeyHelper.getMainUserIdSafe(activity,
+                        PgpKeyHelper.getMasterKey(keyRing));
+            } else {
+                PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByRowId(activity,
+                        keyRingRowIds[0]);
+                userId = PgpKeyHelper.getMainUserIdSafe(activity,
+                        PgpKeyHelper.getMasterKey(keyRing));
+            }
 
-        if (keyType == Id.type.public_key) {
-            PGPPublicKeyRing keyRing = ProviderHelper.getPGPPublicKeyRingByRowId(activity,
-                    deleteKeyRingRowId);
-            userId = PgpKeyHelper.getMainUserIdSafe(activity, PgpKeyHelper.getMasterKey(keyRing));
+            builder.setMessage(getString(
+                    keyType == Id.type.public_key ? R.string.key_deletion_confirmation
+                            : R.string.secret_key_deletion_confirmation, userId));
         } else {
-            PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByRowId(activity,
-                    deleteKeyRingRowId);
-            userId = PgpKeyHelper.getMainUserIdSafe(activity, PgpKeyHelper.getMasterKey(keyRing));
+            builder.setMessage(R.string.key_deletion_confirmation_multi);
         }
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(activity);
-        builder.setTitle(R.string.warning);
-        builder.setMessage(getString(
-                keyType == Id.type.public_key ? R.string.key_deletion_confirmation
-                        : R.string.secret_key_deletion_confirmation, userId));
         builder.setIcon(android.R.drawable.ic_dialog_alert);
         builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
 
             @Override
             public void onClick(DialogInterface dialog, int id) {
                 if (keyType == Id.type.public_key) {
-                    ProviderHelper.deletePublicKeyRing(activity, deleteKeyRingRowId);
+                    for (long keyRowId : keyRingRowIds) {
+                        ProviderHelper.deletePublicKeyRing(activity, keyRowId);
+                    }
                 } else {
-                    ProviderHelper.deleteSecretKeyRing(activity, deleteKeyRingRowId);
+                    for (long keyRowId : keyRingRowIds) {
+                        ProviderHelper.deleteSecretKeyRing(activity, keyRowId);
+                    }
                 }
 
                 dismiss();