/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 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;
import java.io.IOException;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
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.support.v7.widget.CardView;
import android.transition.Fade;
import android.transition.Transition;
import android.transition.TransitionInflater;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
public class ViewKeyFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
private static final String ARG_FINGERPRINT = "fingerprint";
private static final String ARG_IS_SECRET = "is_secret";
private ListView mUserIds;
boolean mIsSecret = false;
private static final int LOADER_ID_USER_IDS = 0;
private static final int LOADER_ID_LINKED_IDS = 1;
private UserIdsAdapter mUserIdsAdapter;
private LinkedIdsAdapter mLinkedIdsAdapter;
private Uri mDataUri;
private ListView mLinkedIds;
private CardView mLinkedIdsCard;
private byte[] mFingerprint;
/**
* Creates new instance of this fragment
*/
public static ViewKeyFragment newInstance(Uri dataUri, boolean isSecret, byte[] fingerprint) {
ViewKeyFragment frag = new ViewKeyFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DATA_URI, dataUri);
args.putBoolean(ARG_IS_SECRET, isSecret);
args.putByteArray(ARG_FINGERPRINT, fingerprint);
frag.setArguments(args);
return frag;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Bundle args = getArguments();
Uri dataUri = args.getParcelable(ARG_DATA_URI);
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
getActivity().finish();
return;
}
boolean isSecret = args.getBoolean(ARG_IS_SECRET);
byte[] fingerprint = args.getByteArray(ARG_FINGERPRINT);
loadData(dataUri, isSecret, fingerprint);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.view_key_fragment, getContainer());
mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
mLinkedIdsCard = (CardView) view.findViewById(R.id.card_linked_ids);
mLinkedIds = (ListView) view.findViewById(R.id.view_key_linked_ids);
mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
showUserIdInfo(position);
}
});
mLinkedIds.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
showLinkedId(position);
}
});
return root;
}
private void showLinkedId(final int position) {
Fragment frag;
try {
frag = mLinkedIdsAdapter.getLinkedIdFragment(position, mFingerprint);
} catch (IOException e) {
e.printStackTrace();
return;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
Transition trans = TransitionInflater.from(getActivity())
.inflateTransition(R.transition.linked_id_card_trans);
// setSharedElementReturnTransition(trans);
setExitTransition(new Fade());
frag.setSharedElementEnterTransition(trans);
}
getFragmentManager().beginTransaction()
.replace(R.id.view_key_fragment, frag)
.addSharedElement(mLinkedIdsCard, "card_linked_ids")
.addToBackStack("linked_id")
.commit();
}
private void showUserIdInfo(final int position) {
if (!mIsSecret) {
final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
final int isVerified = mUserIdsAdapter.getIsVerified(position);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
UserIdInfoDialogFragment dialogFragment =
UserIdInfoDialogFragment.newInstance(isRevoked, isVerified);
dialogFragment.show(getActivity().getSupportFragmentManager(), "userIdInfoDialog");
}
});
}
}
private void loadData(Uri dataUri, boolean isSecret, byte[] fingerprint) {
mDataUri = dataUri;
mIsSecret = isSecret;
mFingerprint = fingerprint;
Log.i(Constants.TAG, "mDataUri: " + mDataUri);
// load user ids after we know if it's a secret key
mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, !mIsSecret, null);
mUserIds.setAdapter(mUserIdsAdapter);
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
mLinkedIdsAdapter = new LinkedIdsAdapter(getActivity(), null, 0, !mIsSecret);
mLinkedIds.setAdapter(mLinkedIdsAdapter);
getLoaderManager().initLoader(LOADER_ID_LINKED_IDS, null, this);
}
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
setContentShown(false);
switch (id) {
case LOADER_ID_USER_IDS:
return UserIdsAdapter.createLoader(getActivity(), mDataUri);
case LOADER_ID_LINKED_IDS:
return LinkedIdsAdapter.createLoader(getActivity(), mDataUri);
default:
return null;
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_USER_IDS: {
mUserIdsAdapter.swapCursor(data);
break;
}
case LOADER_ID_LINKED_IDS: {
mLinkedIdsCard.setVisibility(data.getCount() > 0 ? View.VISIBLE : View.GONE);
mLinkedIdsAdapter.swapCursor(data);
break;
}
}
setContentShown(true);
}
/**
* 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_USER_IDS: {
mUserIdsAdapter.swapCursor(null);
break;
}
case LOADER_ID_LINKED_IDS: {
mLinkedIdsCard.setVisibility(View.GONE);
mLinkedIdsAdapter.swapCursor(null);
break;
}
}
}
}
