1 files changed, 174 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
new file mode 100644
index 000000000..72ea4c013
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.dialog;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.HashMap;
+
+public class DeleteKeyDialogFragment extends DialogFragment {
+    private static final String ARG_MESSENGER = "messenger";
+    private static final String ARG_DELETE_MASTER_KEY_IDS = "delete_master_key_ids";
+
+    public static final int MESSAGE_OKAY = 1;
+    public static final int MESSAGE_ERROR = 0;
+
+    private boolean mIsSingleSelection = false;
+
+    private TextView mMainMessage;
+    private CheckBox mCheckDeleteSecret;
+    private LinearLayout mDeleteSecretKeyView;
+    private View mInflateView;
+
+    private Messenger mMessenger;
+
+    /**
+     * Creates new instance of this delete file dialog fragment
+     */
+    public static DeleteKeyDialogFragment newInstance(Messenger messenger,
+                                                      long[] masterKeyIds) {
+        DeleteKeyDialogFragment frag = new DeleteKeyDialogFragment();
+        Bundle args = new Bundle();
+
+        args.putParcelable(ARG_MESSENGER, messenger);
+        args.putLongArray(ARG_DELETE_MASTER_KEY_IDS, masterKeyIds);
+        //We don't need the key type
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+
+        final FragmentActivity activity = getActivity();
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+
+        final long[] masterKeyIds = getArguments().getLongArray(ARG_DELETE_MASTER_KEY_IDS);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+
+        //Setup custom View to display in AlertDialog
+        LayoutInflater inflater = activity.getLayoutInflater();
+        mInflateView = inflater.inflate(R.layout.view_key_delete_fragment, null);
+        builder.setView(mInflateView);
+
+        mDeleteSecretKeyView = (LinearLayout) mInflateView.findViewById(R.id.deleteSecretKeyView);
+        mMainMessage = (TextView) mInflateView.findViewById(R.id.mainMessage);
+        mCheckDeleteSecret = (CheckBox) mInflateView.findViewById(R.id.checkDeleteSecret);
+
+        builder.setTitle(R.string.warning);
+
+        // If only a single key has been selected
+        if (masterKeyIds.length == 1) {
+            mIsSingleSelection = true;
+
+            long masterKeyId = masterKeyIds[0];
+
+            HashMap<String, Object> data = ProviderHelper.getUnifiedData(activity, masterKeyId, new String[]{
+                    KeyRings.USER_ID,
+                    KeyRings.HAS_SECRET
+            }, new int[] { ProviderHelper.FIELD_TYPE_STRING, ProviderHelper.FIELD_TYPE_INTEGER });
+            String userId = (String) data.get(KeyRings.USER_ID);
+            boolean hasSecret = ((Long) data.get(KeyRings.HAS_SECRET)) == 1;
+
+            // Hide the Checkbox and TextView since this is a single selection,user will be notified through message
+            mDeleteSecretKeyView.setVisibility(View.GONE);
+            // Set message depending on which key it is.
+            mMainMessage.setText(getString(
+                    hasSecret ? R.string.secret_key_deletion_confirmation
+                              : R.string.public_key_deletetion_confirmation,
+                    userId));
+        } else {
+            mDeleteSecretKeyView.setVisibility(View.VISIBLE);
+            mMainMessage.setText(R.string.key_deletion_confirmation_multi);
+        }
+
+        builder.setIcon(R.drawable.ic_dialog_alert_holo_light);
+        builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+
+                boolean success = false;
+                for(long masterKeyId : masterKeyIds) {
+                    int count = activity.getContentResolver().delete(
+                            KeyRingData.buildPublicKeyRingUri(Long.toString(masterKeyId)), null, null
+                        );
+                    success = count > 0;
+                }
+                if (success) {
+                    sendMessageToHandler(MESSAGE_OKAY, null);
+                } else {
+                    sendMessageToHandler(MESSAGE_ERROR, null);
+                }
+                dismiss();
+            }
+        });
+        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+            }
+        });
+
+        return builder.create();
+    }
+
+    /**
+     * Send message back to handler which is initialized in a activity
+     *
+     * @param what Message integer you want to send
+     */
+    private void sendMessageToHandler(Integer what, Bundle data) {
+        Message msg = Message.obtain();
+        msg.what = what;
+        if (data != null) {
+            msg.setData(data);
+        }
+        try {
+            mMessenger.send(msg);
+        } catch (RemoteException e) {
+            Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
+        } catch (NullPointerException e) {
+            Log.w(Constants.TAG, "Messenger is null!", e);
+        }
+    }
+}