diff options
Diffstat (limited to 'org_apg/src/org/apg/ui/SelectPublicKeyListAdapter.java')
| -rw-r--r-- | org_apg/src/org/apg/ui/SelectPublicKeyListAdapter.java | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/org_apg/src/org/apg/ui/SelectPublicKeyListAdapter.java b/org_apg/src/org/apg/ui/SelectPublicKeyListAdapter.java new file mode 100644 index 000000000..b2f49f74a --- /dev/null +++ b/org_apg/src/org/apg/ui/SelectPublicKeyListAdapter.java @@ -0,0 +1,226 @@ +/* + * 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.apg.ui; + +import java.util.Date; + +import org.apg.Apg; +import org.apg.Id; +import org.apg.Id.database; +import org.apg.provider.KeyRings; +import org.apg.provider.Keys; +import org.apg.provider.UserIds; +import org.apg.R; + +import android.app.Activity; +import android.content.Context; +import android.database.Cursor; +import android.database.DatabaseUtils; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteQueryBuilder; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.BaseAdapter; +import android.widget.CheckBox; +import android.widget.ListView; +import android.widget.TextView; + +public class SelectPublicKeyListAdapter extends BaseAdapter { + protected LayoutInflater mInflater; + protected ListView mParent; + protected SQLiteDatabase mDatabase; + protected Cursor mCursor; + protected String mSearchString; + protected Activity mActivity; + + public SelectPublicKeyListAdapter(Activity activity, ListView parent, + String searchString, long selectedKeyIds[]) { + mSearchString = searchString; + + mActivity = activity; + mParent = parent; + mDatabase = Apg.getDatabase().db(); + mInflater = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); + long now = new Date().getTime() / 1000; + SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); + qb.setTables(KeyRings.TABLE_NAME + " INNER JOIN " + Keys.TABLE_NAME + " ON " + + "(" + KeyRings.TABLE_NAME + "." + KeyRings._ID + " = " + + Keys.TABLE_NAME + "." + Keys.KEY_RING_ID + " AND " + + Keys.TABLE_NAME + "." + Keys.IS_MASTER_KEY + " = '1'" + + ") " + + " INNER JOIN " + UserIds.TABLE_NAME + " ON " + + "(" + Keys.TABLE_NAME + "." + Keys._ID + " = " + + UserIds.TABLE_NAME + "." + UserIds.KEY_ID + " AND " + + UserIds.TABLE_NAME + "." + UserIds.RANK + " = '0') "); + + String inIdList = null; + + if (selectedKeyIds != null && selectedKeyIds.length > 0) { + inIdList = KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID + " IN ("; + for (int i = 0; i < selectedKeyIds.length; ++i) { + if (i != 0) { + inIdList += ", "; + } + inIdList += DatabaseUtils.sqlEscapeString("" + selectedKeyIds[i]); + } + inIdList += ")"; + } + + if (searchString != null && searchString.trim().length() > 0) { + String[] chunks = searchString.trim().split(" +"); + qb.appendWhere("(EXISTS (SELECT tmp." + UserIds._ID + " FROM " + + UserIds.TABLE_NAME + " AS tmp WHERE " + + "tmp." + UserIds.KEY_ID + " = " + + Keys.TABLE_NAME + "." + Keys._ID); + for (int i = 0; i < chunks.length; ++i) { + qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE "); + qb.appendWhereEscapeString("%" + chunks[i] + "%"); + } + qb.appendWhere("))"); + + if (inIdList != null) { + qb.appendWhere(" OR (" + inIdList + ")"); + } + } + + String orderBy = UserIds.TABLE_NAME + "." + UserIds.USER_ID + " ASC"; + if (inIdList != null) { + orderBy = inIdList + " DESC, " + orderBy; + } + + mCursor = qb.query(mDatabase, + new String[] { + KeyRings.TABLE_NAME + "." + KeyRings._ID, // 0 + KeyRings.TABLE_NAME + "." + KeyRings.MASTER_KEY_ID, // 1 + UserIds.TABLE_NAME + "." + UserIds.USER_ID, // 2 + "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " + + "tmp." + Keys.KEY_RING_ID + " = " + + KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " + + "tmp." + Keys.IS_REVOKED + " = '0' AND " + + "tmp." + Keys.CAN_ENCRYPT + " = '1')", // 3 + "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " + + "tmp." + Keys.KEY_RING_ID + " = " + + KeyRings.TABLE_NAME + "." + KeyRings._ID + " AND " + + "tmp." + Keys.IS_REVOKED + " = '0' AND " + + "tmp." + Keys.CAN_ENCRYPT + " = '1' AND " + + "tmp." + Keys.CREATION + " <= '" + now + "' AND " + + "(tmp." + Keys.EXPIRY + " IS NULL OR " + + "tmp." + Keys.EXPIRY + " >= '" + now + "'))", // 4 + }, + KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?", + new String[] { "" + Id.database.type_public }, + null, null, orderBy); + + activity.startManagingCursor(mCursor); + } + + public void cleanup() { + if (mCursor != null) { + mActivity.stopManagingCursor(mCursor); + mCursor.close(); + } + } + + @Override + public boolean isEnabled(int position) { + mCursor.moveToPosition(position); + return mCursor.getInt(4) > 0; // valid CAN_ENCRYPT + } + + @Override + public boolean hasStableIds() { + return true; + } + + public int getCount() { + return mCursor.getCount(); + } + + public Object getItem(int position) { + mCursor.moveToPosition(position); + return mCursor.getString(2); // USER_ID + } + + public long getItemId(int position) { + mCursor.moveToPosition(position); + return mCursor.getLong(1); // MASTER_KEY_ID + } + + public View getView(int position, View convertView, ViewGroup parent) { + mCursor.moveToPosition(position); + + View view = mInflater.inflate(R.layout.select_public_key_item, null); + boolean enabled = isEnabled(position); + + TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId); + mainUserId.setText(R.string.unknownUserId); + TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest); + mainUserIdRest.setText(""); + TextView keyId = (TextView) view.findViewById(R.id.keyId); + keyId.setText(R.string.noKey); + TextView status = (TextView) view.findViewById(R.id.status); + status.setText(R.string.unknownStatus); + + String userId = mCursor.getString(2); // USER_ID + if (userId != null) { + String chunks[] = userId.split(" <", 2); + userId = chunks[0]; + if (chunks.length > 1) { + mainUserIdRest.setText("<" + chunks[1]); + } + mainUserId.setText(userId); + } + + long masterKeyId = mCursor.getLong(1); // MASTER_KEY_ID + keyId.setText(Apg.getSmallFingerPrint(masterKeyId)); + + if (mainUserIdRest.getText().length() == 0) { + mainUserIdRest.setVisibility(View.GONE); + } + + if (enabled) { + status.setText(R.string.canEncrypt); + } else { + if (mCursor.getInt(3) > 0) { + // has some CAN_ENCRYPT keys, but col(4) = 0, so must be revoked or expired + status.setText(R.string.expired); + } else { + status.setText(R.string.noKey); + } + } + + status.setText(status.getText() + " "); + + CheckBox selected = (CheckBox) view.findViewById(R.id.selected); + + if (!enabled) { + mParent.setItemChecked(position, false); + } + + selected.setChecked(mParent.isItemChecked(position)); + + view.setEnabled(enabled); + mainUserId.setEnabled(enabled); + mainUserIdRest.setEnabled(enabled); + keyId.setEnabled(enabled); + selected.setEnabled(enabled); + status.setEnabled(enabled); + + return view; + } +} |