diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java new file mode 100644 index 000000000..09137f745 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java @@ -0,0 +1,181 @@ +/* + * 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.adapter; + +import android.content.Context; +import android.database.Cursor; +import android.support.v4.widget.CursorAdapter; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.AdapterView; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.ImageView; +import android.widget.TextView; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.pgp.PgpKeyHelper; +import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds; +import org.sufficientlysecure.keychain.provider.KeychainContract.Certs; + +import java.util.ArrayList; + +public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.OnItemClickListener { + private LayoutInflater mInflater; + + private int mIndexUserId, mIndexRank; + private int mVerifiedId, mIsRevoked, mIsPrimary; + + private final ArrayList<Boolean> mCheckStates; + + public static final String[] USER_IDS_PROJECTION = new String[] { + UserIds._ID, UserIds.USER_ID, UserIds.RANK, + UserIds.VERIFIED, UserIds.IS_PRIMARY, UserIds.IS_REVOKED + }; + + public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) { + super(context, c, flags); + + mInflater = LayoutInflater.from(context); + + mCheckStates = showCheckBoxes ? new ArrayList<Boolean>() : null; + + initIndex(c); + } + public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags) { + this(context, c, flags, false); + } + + @Override + public Cursor swapCursor(Cursor newCursor) { + initIndex(newCursor); + if (mCheckStates != null) { + mCheckStates.clear(); + if (newCursor != null) { + int count = newCursor.getCount(); + mCheckStates.ensureCapacity(count); + // initialize to true (use case knowledge: we usually want to sign all uids) + for(int i = 0; i < count; i++) { + newCursor.moveToPosition(i); + int verified = newCursor.getInt(mVerifiedId); + mCheckStates.add(verified != Certs.VERIFIED_SECRET); + } + } + } + + return super.swapCursor(newCursor); + } + + /** + * Get column indexes for performance reasons just once in constructor and swapCursor. For a + * performance comparison see http://stackoverflow.com/a/17999582 + * + * @param cursor + */ + private void initIndex(Cursor cursor) { + if (cursor != null) { + mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID); + mIndexRank = cursor.getColumnIndexOrThrow(UserIds.RANK); + mVerifiedId = cursor.getColumnIndexOrThrow(UserIds.VERIFIED); + mIsRevoked = cursor.getColumnIndexOrThrow(UserIds.IS_REVOKED); + mIsPrimary = cursor.getColumnIndexOrThrow(UserIds.IS_PRIMARY); + } + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + + TextView vRank = (TextView) view.findViewById(R.id.rank); + TextView vUserId = (TextView) view.findViewById(R.id.userId); + TextView vAddress = (TextView) view.findViewById(R.id.address); + ImageView vVerified = (ImageView) view.findViewById(R.id.certified); + + if(cursor.getInt(mIsPrimary) > 0) { + vRank.setText("+"); + } else { + vRank.setText(Integer.toString(cursor.getInt(mIndexRank))); + } + + String[] userId = PgpKeyHelper.splitUserId(cursor.getString(mIndexUserId)); + if (userId[0] != null) { + vUserId.setText(userId[0]); + } else { + vUserId.setText(R.string.user_id_no_name); + } + vAddress.setText(userId[1]); + + if(cursor.getInt(mIsRevoked) > 0) { + vRank.setText(" "); + vVerified.setImageResource(android.R.drawable.presence_away); + } else { + int verified = cursor.getInt(mVerifiedId); + // TODO introduce own resources for this :) + if(verified == Certs.VERIFIED_SECRET) + vVerified.setImageResource(android.R.drawable.presence_online); + else if(verified == Certs.VERIFIED_SELF) + vVerified.setImageResource(android.R.drawable.presence_invisible); + else + vVerified.setImageResource(android.R.drawable.presence_busy); + } + + // don't care further if checkboxes aren't shown + if (mCheckStates == null) { + return; + } + + final CheckBox vCheckBox = (CheckBox) view.findViewById(R.id.checkBox); + final int position = cursor.getPosition(); + vCheckBox.setOnCheckedChangeListener(null); + vCheckBox.setChecked(mCheckStates.get(position)); + vCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { + @Override + public void onCheckedChanged(CompoundButton compoundButton, boolean b) { + mCheckStates.set(position, b); + } + }); + vCheckBox.setClickable(false); + + } + + public void onItemClick(AdapterView<?> adapter, View view, int position, long id) { + CheckBox box = ((CheckBox) view.findViewById(R.id.checkBox)); + if(box != null) { + box.toggle(); + } + } + + public ArrayList<String> getSelectedUserIds() { + ArrayList<String> result = new ArrayList<String>(); + for (int i = 0; i < mCheckStates.size(); i++) { + if (mCheckStates.get(i)) { + mCursor.moveToPosition(i); + result.add(mCursor.getString(mIndexUserId)); + } + } + return result; + } + + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + View view = mInflater.inflate(R.layout.view_key_userids_item, null); + // only need to do this once ever, since mShowCheckBoxes is final + view.findViewById(R.id.checkBox).setVisibility(mCheckStates != null ? View.VISIBLE : View.GONE); + return view; + } + +} |