Java tutorial
/* * Copyright (C) 2014-2015 Dominik Schrmann <dominik@dominikschuermann.de> * Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@mugenguild.com> * * 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.adapter; import android.app.Activity; import android.content.Context; import android.database.Cursor; import android.graphics.Typeface; import android.net.Uri; import android.support.annotation.Nullable; import android.support.v4.content.CursorLoader; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import android.widget.ViewAnimator; import org.openintents.openpgp.util.OpenPgpUtils; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.pgp.KeyRing; import org.sufficientlysecure.keychain.provider.KeychainContract.Certs; import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets; import org.sufficientlysecure.keychain.service.SaveKeyringParcel; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils; import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State; public class UserIdsAdapter extends UserAttributesAdapter { protected LayoutInflater mInflater; private SaveKeyringParcel mSaveKeyringParcel; private boolean mShowStatusImages; public UserIdsAdapter(Context context, Cursor c, int flags, boolean showStatusImages, SaveKeyringParcel saveKeyringParcel) { super(context, c, flags); mInflater = LayoutInflater.from(context); mSaveKeyringParcel = saveKeyringParcel; mShowStatusImages = showStatusImages; } public UserIdsAdapter(Context context, Cursor c, int flags) { this(context, c, flags, true, null); } @Override public void bindView(View view, Context context, Cursor cursor) { TextView vName = (TextView) view.findViewById(R.id.user_id_item_name); TextView vAddress = (TextView) view.findViewById(R.id.user_id_item_address); TextView vComment = (TextView) view.findViewById(R.id.user_id_item_comment); ImageView vVerified = (ImageView) view.findViewById(R.id.user_id_item_certified); ViewAnimator vVerifiedLayout = (ViewAnimator) view.findViewById(R.id.user_id_icon_animator); ImageView vDeleteButton = (ImageView) view.findViewById(R.id.user_id_item_delete_button); vDeleteButton.setVisibility(View.GONE); // not used String userId = cursor.getString(INDEX_USER_ID); OpenPgpUtils.UserId splitUserId = KeyRing.splitUserId(userId); if (splitUserId.name != null) { vName.setText(splitUserId.name); } else { vName.setText(R.string.user_id_no_name); } if (splitUserId.email != null) { vAddress.setText(splitUserId.email); vAddress.setVisibility(View.VISIBLE); } else { vAddress.setVisibility(View.GONE); } if (splitUserId.comment != null) { vComment.setText(splitUserId.comment); vComment.setVisibility(View.VISIBLE); } else { vComment.setVisibility(View.GONE); } boolean isPrimary = cursor.getInt(INDEX_IS_PRIMARY) != 0; boolean isRevoked = cursor.getInt(INDEX_IS_REVOKED) > 0; // for edit key if (mSaveKeyringParcel != null) { boolean changeAnyPrimaryUserId = (mSaveKeyringParcel.mChangePrimaryUserId != null); boolean changeThisPrimaryUserId = (mSaveKeyringParcel.mChangePrimaryUserId != null && mSaveKeyringParcel.mChangePrimaryUserId.equals(userId)); boolean revokeThisUserId = (mSaveKeyringParcel.mRevokeUserIds.contains(userId)); // only if primary user id will be changed // (this is not triggered if the user id is currently the primary one) if (changeAnyPrimaryUserId) { // change _all_ primary user ids and set new one to true isPrimary = changeThisPrimaryUserId; } if (revokeThisUserId) { if (!isRevoked) { isRevoked = true; } } vVerifiedLayout.setDisplayedChild(2); } else { vVerifiedLayout.setDisplayedChild(mShowStatusImages ? 1 : 0); } if (isRevoked) { // set revocation icon (can this even be primary?) KeyFormattingUtils.setStatusImage(mContext, vVerified, null, State.REVOKED, R.color.key_flag_gray); // disable revoked user ids vName.setEnabled(false); vAddress.setEnabled(false); vComment.setEnabled(false); } else { vName.setEnabled(true); vAddress.setEnabled(true); vComment.setEnabled(true); if (isPrimary) { vName.setTypeface(null, Typeface.BOLD); vAddress.setTypeface(null, Typeface.BOLD); } else { vName.setTypeface(null, Typeface.NORMAL); vAddress.setTypeface(null, Typeface.NORMAL); } int isVerified = cursor.getInt(INDEX_VERIFIED); switch (isVerified) { case Certs.VERIFIED_SECRET: KeyFormattingUtils.setStatusImage(mContext, vVerified, null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR); break; case Certs.VERIFIED_SELF: KeyFormattingUtils.setStatusImage(mContext, vVerified, null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR); break; default: KeyFormattingUtils.setStatusImage(mContext, vVerified, null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR); break; } } } public boolean getIsRevokedPending(int position) { mCursor.moveToPosition(position); String userId = mCursor.getString(INDEX_USER_ID); boolean isRevokedPending = false; if (mSaveKeyringParcel != null) { if (mSaveKeyringParcel.mRevokeUserIds.contains(userId)) { isRevokedPending = true; } } return isRevokedPending; } /** Set this adapter into edit mode. This mode displays additional info for * each item from a supplied SaveKeyringParcel reference. * * Note that it is up to the caller to reload the underlying cursor after * updating the SaveKeyringParcel! * * @see SaveKeyringParcel * * @param saveKeyringParcel The parcel to get info from, or null to leave edit mode. */ public void setEditMode(@Nullable SaveKeyringParcel saveKeyringParcel) { mSaveKeyringParcel = saveKeyringParcel; } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { return mInflater.inflate(R.layout.view_key_adv_user_id_item, null); } // don't show revoked user ids, irrelevant for average users public static final String USER_IDS_WHERE = UserPackets.IS_REVOKED + " = 0"; public static CursorLoader createLoader(Activity activity, Uri dataUri) { Uri baseUri = UserPackets.buildUserIdsUri(dataUri); return new CursorLoader(activity, baseUri, UserIdsAdapter.USER_PACKETS_PROJECTION, USER_IDS_WHERE, null, null); } }