1 files changed, 176 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyFragment.java
new file mode 100644
index 000000000..9987facbc
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyFragment.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * 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;
+
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.ListFragment;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+
+import org.sufficientlysecure.keychain.Id;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
+import org.sufficientlysecure.keychain.ui.adapter.SelectKeyCursorAdapter;
+
+import java.util.Date;
+
+public class SelectSecretKeyFragment extends ListFragment implements
+        LoaderManager.LoaderCallbacks<Cursor> {
+
+    private SelectSecretKeyActivity mActivity;
+    private SelectKeyCursorAdapter mAdapter;
+    private ListView mListView;
+
+    private boolean mFilterCertify;
+
+    private static final String ARG_FILTER_CERTIFY = "filter_certify";
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static SelectSecretKeyFragment newInstance(boolean filterCertify) {
+        SelectSecretKeyFragment frag = new SelectSecretKeyFragment();
+
+        Bundle args = new Bundle();
+        args.putBoolean(ARG_FILTER_CERTIFY, filterCertify);
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mFilterCertify = getArguments().getBoolean(ARG_FILTER_CERTIFY);
+    }
+
+    /**
+     * Define Adapter and Loader on create of Activity
+     */
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mActivity = (SelectSecretKeyActivity) getActivity();
+        mListView = getListView();
+
+        mListView.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
+                long masterKeyId = mAdapter.getMasterKeyId(position);
+                Uri result = KeyRings.buildGenericKeyRingUri(String.valueOf(masterKeyId));
+
+                // return data to activity, which results in finishing it
+                mActivity.afterListSelection(result);
+            }
+        });
+
+        // Give some text to display if there is no data. In a real
+        // application this would come from a resource.
+        setEmptyText(getString(R.string.list_empty));
+
+        mAdapter = new SelectKeyCursorAdapter(mActivity, null, 0, mListView, Id.type.secret_key);
+
+        setListAdapter(mAdapter);
+
+        // Start out with a progress indicator.
+        setListShown(false);
+
+        // Prepare the loader. Either re-connect with an existing one,
+        // or start a new one.
+        getLoaderManager().initLoader(0, null, this);
+    }
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        // This is called when a new Loader needs to be created. This
+        // sample only has one Loader, so we don't care about the ID.
+        Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
+
+        // These are the rows that we will retrieve.
+        long now = new Date().getTime() / 1000;
+        String[] projection = new String[]{
+                KeyRings._ID,
+                KeyRings.MASTER_KEY_ID,
+                UserIds.USER_ID,
+                "(SELECT COUNT(*) FROM " + Tables.KEYS + " AS k"
+                    + " WHERE k." + Keys.MASTER_KEY_ID + " = "
+                        + KeychainDatabase.Tables.KEYS + "." + KeyRings.MASTER_KEY_ID
+                            + " AND k." + Keys.CAN_CERTIFY + " = '1'"
+                    + ") AS cert",
+                "(SELECT COUNT(*) FROM " + Tables.KEYS + " AS k"
+                    +" WHERE k." + Keys.MASTER_KEY_ID + " = "
+                        + KeychainDatabase.Tables.KEYS + "." + Keys.MASTER_KEY_ID
+                            + " AND k." + Keys.IS_REVOKED + " = '0'"
+                            + " AND k." + Keys.CAN_SIGN + " = '1'"
+                    + ") AS " + SelectKeyCursorAdapter.PROJECTION_ROW_AVAILABLE,
+                "(SELECT COUNT(*) FROM " + Tables.KEYS + " AS k"
+                    + " WHERE k." + Keys.MASTER_KEY_ID + " = "
+                        + KeychainDatabase.Tables.KEYS + "." + Keys.MASTER_KEY_ID
+                            + " AND k." + Keys.IS_REVOKED + " = '0'"
+                            + " AND k." + Keys.CAN_SIGN + " = '1'"
+                            + " AND k." + Keys.CREATION + " <= '" + now + "'"
+                            + " AND ( k." + Keys.EXPIRY + " IS NULL OR k." + Keys.EXPIRY + " >= '" + now + "' )"
+                    + ") AS " + SelectKeyCursorAdapter.PROJECTION_ROW_VALID, };
+
+        String orderBy = UserIds.USER_ID + " ASC";
+
+        String where = Tables.KEY_RINGS_SECRET + "." + KeyRings.MASTER_KEY_ID + " IS NOT NULL";
+        if (mFilterCertify) {
+            where += " AND (cert > 0)";
+        }
+
+        // Now create and return a CursorLoader that will take care of
+        // creating a Cursor for the data being displayed.
+        return new CursorLoader(getActivity(), baseUri, projection, where, null, orderBy);
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+        // Swap the new cursor in. (The framework will take care of closing the
+        // old cursor once we return.)
+        mAdapter.swapCursor(data);
+
+        // The list should now be shown.
+        if (isResumed()) {
+            setListShown(true);
+        } else {
+            setListShownNoAnimation(true);
+        }
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        // This is called when the last Cursor provided to onLoadFinished()
+        // above is about to be closed. We need to make sure we are no
+        // longer using it.
+        mAdapter.swapCursor(null);
+    }
+}