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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 android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
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.AdapterView;
import android.widget.ListView;
import org.openintents.openpgp.util.OpenPgpApi;
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.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.adapter.SelectKeyCursorAdapter;
import org.sufficientlysecure.keychain.ui.widget.FixedListView;
import org.sufficientlysecure.keychain.util.Log;
public class SelectSignKeyIdListFragment extends ListFragmentWorkaround implements LoaderManager.LoaderCallbacks<Cursor> {
private static final String ARG_DATA_URI = "uri";
public static final String ARG_DATA = "data";
private SelectKeyCursorAdapter mAdapter;
private ProviderHelper mProviderHelper;
private Uri mDataUri;
/**
* Creates new instance of this fragment
*/
public static SelectSignKeyIdListFragment newInstance(Uri dataUri, Intent data) {
SelectSignKeyIdListFragment frag = new SelectSignKeyIdListFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DATA_URI, dataUri);
args.putParcelable(ARG_DATA, data);
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);
final Intent resultData = getArguments().getParcelable(ARG_DATA);
getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
long masterKeyId = mAdapter.getMasterKeyId(position);
Uri allowedKeysUri = mDataUri.buildUpon().appendPath(KeychainContract.PATH_ALLOWED_KEYS).build();
Log.d(Constants.TAG, "allowedKeysUri: " + allowedKeysUri);
mProviderHelper.addAllowedKeyIdForApp(allowedKeysUri, masterKeyId);
resultData.putExtra(OpenPgpApi.EXTRA_SIGN_KEY_ID, masterKeyId);
getActivity().setResult(Activity.RESULT_OK, resultData);
getActivity().finish();
}
});
// 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));
mAdapter = new SecretKeyCursorAdapter(getActivity(), null, 0, getListView());
setListAdapter(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);
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
// These are the rows that we will retrieve.
String[] projection = new String[]{
KeyRings._ID,
KeyRings.MASTER_KEY_ID,
KeyRings.USER_ID,
KeyRings.IS_EXPIRED,
KeyRings.IS_REVOKED,
KeyRings.HAS_ENCRYPT,
KeyRings.VERIFIED,
KeyRings.HAS_ANY_SECRET,
KeyRings.HAS_DUPLICATE_USER_ID,
KeyRings.CREATION,
};
String selection = KeyRings.HAS_ANY_SECRET + " != 0";
String orderBy = KeyRings.USER_ID + " ASC";
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
return new CursorLoader(getActivity(), baseUri, projection, selection, null, orderBy);
}
@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);
}
private class SecretKeyCursorAdapter extends SelectKeyCursorAdapter {
public SecretKeyCursorAdapter(Context context, Cursor c, int flags, ListView listView) {
super(context, c, flags, listView);
}
@Override
protected void initIndex(Cursor cursor) {
super.initIndex(cursor);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
super.bindView(view, context, cursor);
ViewHolderItem h = (ViewHolderItem) view.getTag();
h.selected.setVisibility(View.GONE);
boolean enabled = false;
if ((Boolean) h.statusIcon.getTag()) {
h.statusIcon.setVisibility(View.GONE);
enabled = true;
}
h.setEnabled(enabled);
}
}
}
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