diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/MultiUserIdsFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/MultiUserIdsFragment.java | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/MultiUserIdsFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/MultiUserIdsFragment.java new file mode 100644 index 000000000..8ba695cf7 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/MultiUserIdsFragment.java @@ -0,0 +1,223 @@ +package org.sufficientlysecure.keychain.ui; + +import android.database.Cursor; +import android.database.MatrixCursor; +import android.net.Uri; +import android.os.Bundle; +import android.os.Parcel; +import android.support.annotation.Nullable; +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.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ListView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.pgp.KeyRing; +import org.sufficientlysecure.keychain.provider.KeychainContract; +import org.sufficientlysecure.keychain.provider.KeychainDatabase; +import org.sufficientlysecure.keychain.service.CertifyActionsParcel; +import org.sufficientlysecure.keychain.ui.adapter.MultiUserIdsAdapter; +import org.sufficientlysecure.keychain.util.Log; + +import java.util.ArrayList; + +public class MultiUserIdsFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor>{ + public static final String ARG_CHECK_STATES = "check_states"; + public static final String EXTRA_KEY_IDS = "extra_key_ids"; + private boolean checkboxVisibility = true; + + ListView mUserIds; + private MultiUserIdsAdapter mUserIdsAdapter; + + private long[] mPubMasterKeyIds; + + public static final String[] USER_IDS_PROJECTION = new String[]{ + KeychainContract.UserPackets._ID, + KeychainContract.UserPackets.MASTER_KEY_ID, + KeychainContract.UserPackets.USER_ID, + KeychainContract.UserPackets.IS_PRIMARY, + KeychainContract.UserPackets.IS_REVOKED + }; + private static final int INDEX_MASTER_KEY_ID = 1; + private static final int INDEX_USER_ID = 2; + @SuppressWarnings("unused") + private static final int INDEX_IS_PRIMARY = 3; + @SuppressWarnings("unused") + private static final int INDEX_IS_REVOKED = 4; + + @Nullable + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.multi_user_ids_fragment, null); + + mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids); + + return view; + } + + @Override + public void onActivityCreated(@Nullable Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + mPubMasterKeyIds = getActivity().getIntent().getLongArrayExtra(EXTRA_KEY_IDS); + if (mPubMasterKeyIds == null) { + Log.e(Constants.TAG, "List of key ids to certify missing!"); + getActivity().finish(); + return; + } + + ArrayList<Boolean> checkedStates = null; + if (savedInstanceState != null) { + checkedStates = (ArrayList<Boolean>) savedInstanceState.getSerializable(ARG_CHECK_STATES); + } + + mUserIdsAdapter = new MultiUserIdsAdapter(getActivity(), null, 0, checkedStates, checkboxVisibility); + mUserIds.setAdapter(mUserIdsAdapter); + mUserIds.setDividerHeight(0); + + getLoaderManager().initLoader(0, null, this); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + + ArrayList<Boolean> states = mUserIdsAdapter.getCheckStates(); + // no proper parceling method available :( + outState.putSerializable(ARG_CHECK_STATES, states); + } + + public ArrayList<CertifyActionsParcel.CertifyAction> getSelectedCertifyActions() { + if (!checkboxVisibility) { + throw new AssertionError("Item selection not allowed"); + } + + return mUserIdsAdapter.getSelectedCertifyActions(); + } + + @Override + public Loader<Cursor> onCreateLoader(int id, Bundle args) { + Uri uri = KeychainContract.UserPackets.buildUserIdsUri(); + + String selection, ids[]; + { + // generate placeholders and string selection args + ids = new String[mPubMasterKeyIds.length]; + StringBuilder placeholders = new StringBuilder("?"); + for (int i = 0; i < mPubMasterKeyIds.length; i++) { + ids[i] = Long.toString(mPubMasterKeyIds[i]); + if (i != 0) { + placeholders.append(",?"); + } + } + // put together selection string + selection = KeychainContract.UserPackets.IS_REVOKED + " = 0" + " AND " + + KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.MASTER_KEY_ID + + " IN (" + placeholders + ")"; + } + + return new CursorLoader(getActivity(), uri, + USER_IDS_PROJECTION, selection, ids, + KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.MASTER_KEY_ID + " ASC" + + ", " + KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.USER_ID + " ASC" + ); + } + + @Override + public void onLoadFinished(Loader<Cursor> loader, Cursor data) { + + MatrixCursor matrix = new MatrixCursor(new String[]{ + "_id", "user_data", "grouped" + }) { + @Override + public byte[] getBlob(int column) { + return super.getBlob(column); + } + }; + data.moveToFirst(); + + long lastMasterKeyId = 0; + String lastName = ""; + ArrayList<String> uids = new ArrayList<>(); + + boolean header = true; + + // Iterate over all rows + while (!data.isAfterLast()) { + long masterKeyId = data.getLong(INDEX_MASTER_KEY_ID); + String userId = data.getString(INDEX_USER_ID); + KeyRing.UserId pieces = KeyRing.splitUserId(userId); + + // Two cases: + + boolean grouped = masterKeyId == lastMasterKeyId; + boolean subGrouped = data.isFirst() || grouped && lastName.equals(pieces.name); + // Remember for next loop + lastName = pieces.name; + + Log.d(Constants.TAG, Long.toString(masterKeyId, 16) + (grouped ? "grouped" : "not grouped")); + + if (!subGrouped) { + // 1. This name should NOT be grouped with the previous, so we flush the buffer + + Parcel p = Parcel.obtain(); + p.writeStringList(uids); + byte[] d = p.marshall(); + p.recycle(); + + matrix.addRow(new Object[]{ + lastMasterKeyId, d, header ? 1 : 0 + }); + // indicate that we have a header for this masterKeyId + header = false; + + // Now clear the buffer, and add the new user id, for the next round + uids.clear(); + + } + + // 2. This name should be grouped with the previous, just add to buffer + uids.add(userId); + lastMasterKeyId = masterKeyId; + + // If this one wasn't grouped, the next one's gotta be a header + if (!grouped) { + header = true; + } + + // Regardless of the outcome, move to next entry + data.moveToNext(); + + } + + // If there is anything left in the buffer, flush it one last time + if (!uids.isEmpty()) { + + Parcel p = Parcel.obtain(); + p.writeStringList(uids); + byte[] d = p.marshall(); + p.recycle(); + + matrix.addRow(new Object[]{ + lastMasterKeyId, d, header ? 1 : 0 + }); + + } + + mUserIdsAdapter.swapCursor(matrix); + } + + @Override + public void onLoaderReset(Loader<Cursor> loader) { + mUserIdsAdapter.swapCursor(null); + } + + public void setCheckboxVisibility(boolean checkboxVisibility) { + this.checkboxVisibility = checkboxVisibility; + } +} |