/* * Copyright (C) 2014 Dominik Schürmann * * 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 . */ package org.sufficientlysecure.keychain.ui.adapter; import android.content.Context; import android.content.res.ColorStateList; import android.database.Cursor; import android.support.v4.widget.CursorAdapter; import android.text.format.DateFormat; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.helper.OtherHelper; import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; import org.sufficientlysecure.keychain.provider.KeychainContract.Keys; import org.sufficientlysecure.keychain.service.SaveKeyringParcel; import java.util.Date; public class SubkeysAdapter extends CursorAdapter { private LayoutInflater mInflater; private SaveKeyringParcel mSaveKeyringParcel; private boolean hasAnySecret; private ColorStateList mDefaultTextColor; public static final String[] SUBKEYS_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 }; private static final int INDEX_ID = 0; private static final int INDEX_KEY_ID = 1; private static final int INDEX_RANK = 2; private static final int INDEX_ALGORITHM = 3; private static final int INDEX_KEY_SIZE = 4; private static final int INDEX_HAS_SECRET = 5; private static final int INDEX_CAN_CERTIFY = 6; private static final int INDEX_CAN_ENCRYPT = 7; private static final int INDEX_CAN_SIGN = 8; private static final int INDEX_IS_REVOKED = 9; private static final int INDEX_CREATION = 10; private static final int INDEX_EXPIRY = 11; private static final int INDEX_FINGERPRINT = 12; public SubkeysAdapter(Context context, Cursor c, int flags, SaveKeyringParcel saveKeyringParcel) { super(context, c, flags); mInflater = LayoutInflater.from(context); mSaveKeyringParcel = saveKeyringParcel; } public SubkeysAdapter(Context context, Cursor c, int flags) { this(context, c, flags, null); } public long getKeyId(int position) { mCursor.moveToPosition(position); return mCursor.getLong(INDEX_KEY_ID); } @Override public Cursor swapCursor(Cursor newCursor) { hasAnySecret = false; if (newCursor != null && newCursor.moveToFirst()) { do { if (newCursor.getInt(INDEX_HAS_SECRET) != 0) { hasAnySecret = true; break; } } while (newCursor.moveToNext()); } return super.swapCursor(newCursor); } @Override public void bindView(View view, Context context, Cursor cursor) { TextView vKeyId = (TextView) view.findViewById(R.id.keyId); TextView vKeyDetails = (TextView) view.findViewById(R.id.keyDetails); TextView vKeyExpiry = (TextView) view.findViewById(R.id.keyExpiry); ImageView vMasterKeyIcon = (ImageView) view.findViewById(R.id.ic_masterKey); ImageView vCertifyIcon = (ImageView) view.findViewById(R.id.ic_certifyKey); ImageView vEncryptIcon = (ImageView) view.findViewById(R.id.ic_encryptKey); ImageView vSignIcon = (ImageView) view.findViewById(R.id.ic_signKey); ImageView vRevokedKeyIcon = (ImageView) view.findViewById(R.id.ic_revokedKey); ImageView vEditImage = (ImageView) view.findViewById(R.id.user_id_item_edit_image); long keyId = cursor.getLong(INDEX_KEY_ID); String keyIdStr = PgpKeyHelper.convertKeyIdToHex(keyId); String algorithmStr = PgpKeyHelper.getAlgorithmInfo( context, cursor.getInt(INDEX_ALGORITHM), cursor.getInt(INDEX_KEY_SIZE) ); vKeyId.setText(keyIdStr); // may be set with additional "stripped" later on if (hasAnySecret && cursor.getInt(INDEX_HAS_SECRET) == 0) { vKeyDetails.setText(algorithmStr + ", " + context.getString(R.string.key_stripped)); } else { vKeyDetails.setText(algorithmStr); } // Set icons according to properties vMasterKeyIcon.setVisibility(cursor.getInt(INDEX_RANK) == 0 ? View.VISIBLE : View.INVISIBLE); vCertifyIcon.setVisibility(cursor.getInt(INDEX_CAN_CERTIFY) != 0 ? View.VISIBLE : View.GONE); vEncryptIcon.setVisibility(cursor.getInt(INDEX_CAN_ENCRYPT) != 0 ? View.VISIBLE : View.GONE); vSignIcon.setVisibility(cursor.getInt(INDEX_CAN_SIGN) != 0 ? View.VISIBLE : View.GONE); boolean isRevoked = cursor.getInt(INDEX_IS_REVOKED) > 0; // for edit key if (mSaveKeyringParcel != null) { boolean revokeThisSubkey = (mSaveKeyringParcel.mRevokeSubKeys.contains(keyId)); if (revokeThisSubkey) { if (!isRevoked) { isRevoked = true; } } vEditImage.setVisibility(View.VISIBLE); } else { vEditImage.setVisibility(View.GONE); } if (isRevoked) { vRevokedKeyIcon.setVisibility(View.VISIBLE); } else { vKeyId.setTextColor(mDefaultTextColor); vKeyDetails.setTextColor(mDefaultTextColor); vKeyExpiry.setTextColor(mDefaultTextColor); vRevokedKeyIcon.setVisibility(View.GONE); } boolean isExpired; if (!cursor.isNull(INDEX_EXPIRY)) { Date expiryDate = new Date(cursor.getLong(INDEX_EXPIRY) * 1000); isExpired = expiryDate.before(new Date()); vKeyExpiry.setText(context.getString(R.string.label_expiry) + ": " + DateFormat.getDateFormat(context).format(expiryDate)); } else { isExpired = false; vKeyExpiry.setText(context.getString(R.string.label_expiry) + ": " + context.getString(R.string.none)); } // if key is expired or revoked, strike through text boolean isInvalid = isRevoked || isExpired; if (isInvalid) { vKeyId.setText(OtherHelper.strikeOutText(vKeyId.getText())); vKeyDetails.setText(OtherHelper.strikeOutText(vKeyDetails.getText())); vKeyExpiry.setText(OtherHelper.strikeOutText(vKeyExpiry.getText())); } vKeyId.setEnabled(!isInvalid); vKeyDetails.setEnabled(!isInvalid); vKeyExpiry.setEnabled(!isInvalid); } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { View view = mInflater.inflate(R.layout.view_key_subkey_item, null); if (mDefaultTextColor == null) { TextView keyId = (TextView) view.findViewById(R.id.keyId); mDefaultTextColor = keyId.getTextColors(); } return view; } // Disable selection of items, http://stackoverflow.com/a/4075045 @Override public boolean areAllItemsEnabled() { if (mSaveKeyringParcel == null) { return false; } else { return super.areAllItemsEnabled(); } } // Disable selection of items, http://stackoverflow.com/a/4075045 @Override public boolean isEnabled(int position) { if (mSaveKeyringParcel == null) { return false; } else { return super.isEnabled(position); } } }