diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java new file mode 100644 index 000000000..bb0e4b23a --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java @@ -0,0 +1,238 @@ +/* + * Copyright (C) 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; + +import android.database.Cursor; +import android.graphics.Color; +import android.net.Uri; +import android.os.Bundle; +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.text.format.DateFormat; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.LinearLayout; +import android.widget.ListView; +import android.widget.TextView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.KeychainContract.Keys; +import org.sufficientlysecure.keychain.ui.adapter.ViewKeyKeysAdapter; +import org.sufficientlysecure.keychain.util.Log; + +import java.util.Date; + + +public class ViewKeyKeysFragment extends Fragment implements + LoaderManager.LoaderCallbacks<Cursor> { + + public static final String ARG_DATA_URI = "uri"; + + private LinearLayout mContainer; + private TextView mAlgorithm; + private TextView mKeyId; + private TextView mExpiry; + private TextView mCreation; + private TextView mFingerprint; + private TextView mSecretKey; + + private ListView mKeys; + + private static final int LOADER_ID_UNIFIED = 0; + private static final int LOADER_ID_KEYS = 1; + + private ViewKeyKeysAdapter mKeysAdapter; + + private Uri mDataUri; + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.view_key_keys_fragment, container, false); + + mContainer = (LinearLayout) view.findViewById(R.id.container); + mKeyId = (TextView) view.findViewById(R.id.key_id); + mAlgorithm = (TextView) view.findViewById(R.id.algorithm); + mCreation = (TextView) view.findViewById(R.id.creation); + mExpiry = (TextView) view.findViewById(R.id.expiry); + mFingerprint = (TextView) view.findViewById(R.id.view_key_fingerprint); + mSecretKey = (TextView) view.findViewById(R.id.secret_key); + mKeys = (ListView) view.findViewById(R.id.keys); + + return view; + } + + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + Uri dataUri = getArguments().getParcelable(ARG_DATA_URI); + if (dataUri == null) { + Log.e(Constants.TAG, "Data missing. Should be Uri of key!"); + getActivity().finish(); + return; + } + + loadData(dataUri); + } + + private void loadData(Uri dataUri) { + getActivity().setProgressBarIndeterminateVisibility(true); + mContainer.setVisibility(View.GONE); + + mDataUri = dataUri; + + Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString()); + + mKeysAdapter = new ViewKeyKeysAdapter(getActivity(), null, 0); + mKeys.setAdapter(mKeysAdapter); + + // Prepare the loaders. Either re-connect with an existing ones, + // or start new ones. + getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this); + getLoaderManager().initLoader(LOADER_ID_KEYS, null, this); + } + + static final String[] UNIFIED_PROJECTION = new String[] { + KeyRings._ID, KeyRings.MASTER_KEY_ID, KeyRings.HAS_ANY_SECRET, + KeyRings.USER_ID, KeyRings.FINGERPRINT, + KeyRings.ALGORITHM, KeyRings.KEY_SIZE, KeyRings.CREATION, KeyRings.EXPIRY, + + }; + static final int INDEX_UNIFIED_MKI = 1; + static final int INDEX_UNIFIED_HAS_ANY_SECRET = 2; + static final int INDEX_UNIFIED_UID = 3; + static final int INDEX_UNIFIED_FINGERPRINT = 4; + static final int INDEX_UNIFIED_ALGORITHM = 5; + static final int INDEX_UNIFIED_KEY_SIZE = 6; + static final int INDEX_UNIFIED_CREATION = 7; + static final int INDEX_UNIFIED_EXPIRY = 8; + + static final String[] KEYS_PROJECTION = new String[] { + Keys._ID, + Keys.KEY_ID, Keys.RANK, Keys.ALGORITHM, Keys.KEY_SIZE, Keys.HAS_SECRET, + Keys.CAN_CERTIFY, Keys.CAN_ENCRYPT, Keys.CAN_SIGN, Keys.IS_REVOKED, + Keys.CREATION, Keys.EXPIRY, Keys.FINGERPRINT + }; + static final int KEYS_INDEX_CAN_ENCRYPT = 7; + + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + switch (id) { + case LOADER_ID_UNIFIED: { + Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri); + return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null); + } + case LOADER_ID_KEYS: { + Uri baseUri = Keys.buildKeysUri(mDataUri); + return new CursorLoader(getActivity(), baseUri, KEYS_PROJECTION, null, null, null); + } + + default: + return null; + } + } + + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + /* TODO better error handling? May cause problems when a key is deleted, + * because the notification triggers faster than the activity closes. + */ + // Avoid NullPointerExceptions... + if(data.getCount() == 0) { + return; + } + // Swap the new cursor in. (The framework will take care of closing the + // old cursor once we return.) + switch (loader.getId()) { + case LOADER_ID_UNIFIED: { + if (data.moveToFirst()) { + if (data.getInt(INDEX_UNIFIED_HAS_ANY_SECRET) != 0) { + mSecretKey.setTextColor(getResources().getColor(R.color.emphasis)); + mSecretKey.setText(R.string.secret_key_yes); + } else { + mSecretKey.setTextColor(Color.BLACK); + mSecretKey.setText(getResources().getString(R.string.secret_key_no)); + } + + // get key id from MASTER_KEY_ID + long masterKeyId = data.getLong(INDEX_UNIFIED_MKI); + String keyIdStr = PgpKeyHelper.convertKeyIdToHex(masterKeyId); + mKeyId.setText(keyIdStr); + + // get creation date from CREATION + if (data.isNull(INDEX_UNIFIED_CREATION)) { + mCreation.setText(R.string.none); + } else { + Date creationDate = new Date(data.getLong(INDEX_UNIFIED_CREATION) * 1000); + + mCreation.setText( + DateFormat.getDateFormat(getActivity().getApplicationContext()).format( + creationDate)); + } + + // get expiry date from EXPIRY + if (data.isNull(INDEX_UNIFIED_EXPIRY)) { + mExpiry.setText(R.string.none); + } else { + Date expiryDate = new Date(data.getLong(INDEX_UNIFIED_EXPIRY) * 1000); + + mExpiry.setText( + DateFormat.getDateFormat(getActivity().getApplicationContext()).format( + expiryDate)); + } + + String algorithmStr = PgpKeyHelper.getAlgorithmInfo( + getActivity(), + data.getInt(INDEX_UNIFIED_ALGORITHM), + data.getInt(INDEX_UNIFIED_KEY_SIZE) + ); + mAlgorithm.setText(algorithmStr); + + byte[] fingerprintBlob = data.getBlob(INDEX_UNIFIED_FINGERPRINT); + String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob); + mFingerprint.setText(PgpKeyHelper.colorizeFingerprint(fingerprint)); + + break; + } + } + + case LOADER_ID_KEYS: + mKeysAdapter.swapCursor(data); + break; + } + getActivity().setProgressBarIndeterminateVisibility(false); + mContainer.setVisibility(View.VISIBLE); + } + + /** + * 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. + */ + public void onLoaderReset(Loader<Cursor> loader) { + switch (loader.getId()) { + case LOADER_ID_KEYS: + mKeysAdapter.swapCursor(null); + break; + } + } + +} |