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/*
* Copyright (C) 2015 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.remote.ui;
import java.util.Set;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.RemoteException;
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.compatibility.ListFragmentWorkaround;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter;
import org.sufficientlysecure.keychain.ui.adapter.KeySelectableAdapter;
import org.sufficientlysecure.keychain.ui.widget.FixedListView;
import org.sufficientlysecure.keychain.util.Log;
public class AppSettingsAllowedKeysListFragment extends ListFragmentWorkaround implements LoaderManager.LoaderCallbacks<Cursor> {
private static final String ARG_DATA_URI = "uri";
private KeySelectableAdapter mAdapter;
private ProviderHelper mProviderHelper;
private Uri mDataUri;
/**
* Creates new instance of this fragment
*/
public static AppSettingsAllowedKeysListFragment newInstance(Uri dataUri) {
AppSettingsAllowedKeysListFragment frag = new AppSettingsAllowedKeysListFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DATA_URI, dataUri);
frag.setArguments(args);
return frag;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mProviderHelper = new ProviderHelper(getActivity());
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View layout = super.onCreateView(inflater, container, savedInstanceState);
ListView lv = (ListView) layout.findViewById(android.R.id.list);
ViewGroup parent = (ViewGroup) lv.getParent();
/*
* http://stackoverflow.com/a/15880684
* Remove ListView and add FixedListView in its place.
* This is done here programatically to be still able to use the progressBar of ListFragment.
*
* We want FixedListView to be able to put this ListFragment inside a ScrollView
*/
int lvIndex = parent.indexOfChild(lv);
parent.removeViewAt(lvIndex);
FixedListView newLv = new FixedListView(getActivity());
newLv.setId(android.R.id.list);
parent.addView(newLv, lvIndex, lv.getLayoutParams());
return layout;
}
/**
* Define Adapter and Loader on create of Activity
*/
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mDataUri = getArguments().getParcelable(ARG_DATA_URI);
// Give some text to display if there is no data. In a real
// application this would come from a resource.
setEmptyText(getString(R.string.list_empty));
Set<Long> checked = mProviderHelper.getAllKeyIdsForApp(mDataUri);
mAdapter = new KeySelectableAdapter(getActivity(), null, 0, checked);
setListAdapter(mAdapter);
getListView().setOnItemClickListener(mAdapter);
// Start out with a progress indicator.
setListShown(false);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
/** Returns all selected master key ids. */
public Set<Long> getSelectedMasterKeyIds() {
return mAdapter.getSelectedMasterKeyIds();
}
/** Returns all selected user ids.
public String[] getSelectedUserIds() {
Vector<String> userIds = new Vector<>();
for (int i = 0; i < getListView().getCount(); ++i) {
if (getListView().isItemChecked(i)) {
userIds.add(mAdapter.getUserId(i));
}
}
// make empty array to not return null
String userIdArray[] = new String[0];
return userIds.toArray(userIdArray);
} */
public void saveAllowedKeys() {
try {
mProviderHelper.saveAllowedKeyIdsForApp(mDataUri, getSelectedMasterKeyIds());
} catch (RemoteException | OperationApplicationException e) {
Log.e(Constants.TAG, "Problem saving allowed key ids!", e);
}
}
@Override
public Loader<Cursor> onCreateLoader(int loaderId, Bundle data) {
Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingsUri();
String where = KeychainContract.KeyRings.HAS_ANY_SECRET + " = 1";
return new CursorLoader(getActivity(), baseUri, KeyAdapter.PROJECTION, where, null, null);
}
@Override
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.)
mAdapter.swapCursor(data);
// The list should now be shown.
if (isResumed()) {
setListShown(true);
} else {
setListShownNoAnimation(true);
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
// 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.
mAdapter.swapCursor(null);
}
}
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