304 lines
11 KiB
Java
304 lines
11 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.ContactsContract;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.CursorLoader;
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import android.support.v4.content.Loader;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.*;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
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import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment;
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import org.sufficientlysecure.keychain.util.ContactHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import java.util.List;
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public class ViewKeyFragment extends LoaderFragment implements
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LoaderManager.LoaderCallbacks<Cursor> {
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public static final String ARG_DATA_URI = "uri";
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private ListView mUserIds;
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//private ListView mLinkedSystemContact;
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boolean mIsSecret = false;
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boolean mSystemContactLoaded = false;
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LinearLayout mSystemContactLayout;
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ImageView mSystemContactPicture;
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TextView mSystemContactName;
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private static final int LOADER_ID_UNIFIED = 0;
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private static final int LOADER_ID_USER_IDS = 1;
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private UserIdsAdapter mUserIdsAdapter;
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private Uri mDataUri;
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/**
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* Creates new instance of this fragment
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*/
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public static ViewKeyFragment newInstance(Uri dataUri) {
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ViewKeyFragment frag = new ViewKeyFragment();
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Bundle args = new Bundle();
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args.putParcelable(ARG_DATA_URI, dataUri);
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frag.setArguments(args);
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return frag;
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
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View root = super.onCreateView(inflater, superContainer, savedInstanceState);
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View view = inflater.inflate(R.layout.view_key_fragment, getContainer());
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mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
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mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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showUserIdInfo(position);
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}
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});
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mSystemContactLayout = (LinearLayout) view.findViewById(R.id.system_contact_layout);
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mSystemContactName = (TextView) view.findViewById(R.id.system_contact_name);
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mSystemContactPicture = (ImageView) view.findViewById(R.id.system_contact_picture);
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return root;
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}
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private void showUserIdInfo(final int position) {
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if (!mIsSecret) {
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final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
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final int isVerified = mUserIdsAdapter.getIsVerified(position);
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DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
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public void run() {
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UserIdInfoDialogFragment dialogFragment =
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UserIdInfoDialogFragment.newInstance(isRevoked, isVerified);
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dialogFragment.show(getActivity().getSupportFragmentManager(), "userIdInfoDialog");
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}
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});
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}
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}
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/**
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* Checks if a system contact exists for given masterKeyId, and if it does, sets name, picture
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* and onClickListener for the linked system contact's layout
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* In the case of a secret key, "me" contact details are loaded
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*
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* @param masterKeyId
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*/
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private void loadLinkedSystemContact(final long masterKeyId) {
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final Context context = mSystemContactName.getContext();
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final ContentResolver resolver = context.getContentResolver();
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long contactId;
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String contactName = null;
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if (mIsSecret) {//all secret keys are linked to "me" profile in contacts
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contactId = ContactHelper.getMainProfileContactId(resolver);
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List<String> mainProfileNames = ContactHelper.getMainProfileContactName(context);
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if (mainProfileNames != null && mainProfileNames.size() > 0) {
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contactName = mainProfileNames.get(0);
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}
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} else {
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contactId = ContactHelper.findContactId(resolver, masterKeyId);
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contactName = ContactHelper.getContactName(resolver, contactId);
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}
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if (contactName != null) {//contact name exists for given master key
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mSystemContactName.setText(contactName);
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Bitmap picture;
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if (mIsSecret) {
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picture = ContactHelper.loadMainProfilePhoto(resolver, false);
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} else {
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picture = ContactHelper.loadPhotoByMasterKeyId(resolver, masterKeyId, false);
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}
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if (picture != null) mSystemContactPicture.setImageBitmap(picture);
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final long finalContactId = contactId;
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mSystemContactLayout.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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launchContactActivity(finalContactId, context);
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}
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});
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mSystemContactLoaded = true;
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}
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}
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/**
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* launches the default android Contacts app to view a contact with the passed
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* contactId (CONTACT_ID column from ContactsContract.RawContact table which is _ID column in
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* ContactsContract.Contact table)
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*
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* @param contactId _ID for row in ContactsContract.Contacts table
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* @param context
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*/
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private void launchContactActivity(final long contactId, Context context) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_URI, String.valueOf(contactId));
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intent.setData(uri);
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context.startActivity(intent);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
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if (dataUri == null) {
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Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
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getActivity().finish();
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return;
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}
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loadData(dataUri);
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}
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// These are the rows that we will retrieve.
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static final String[] UNIFIED_PROJECTION = new String[]{
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KeychainContract.KeyRings._ID,
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KeychainContract.KeyRings.MASTER_KEY_ID,
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KeychainContract.KeyRings.USER_ID,
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KeychainContract.KeyRings.IS_REVOKED,
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KeychainContract.KeyRings.IS_EXPIRED,
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KeychainContract.KeyRings.VERIFIED,
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KeychainContract.KeyRings.HAS_ANY_SECRET,
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KeychainContract.KeyRings.FINGERPRINT,
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KeychainContract.KeyRings.HAS_ENCRYPT
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};
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static final int INDEX_MASTER_KEY_ID = 1;
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static final int INDEX_USER_ID = 2;
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static final int INDEX_IS_REVOKED = 3;
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static final int INDEX_IS_EXPIRED = 4;
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static final int INDEX_VERIFIED = 5;
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static final int INDEX_HAS_ANY_SECRET = 6;
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static final int INDEX_FINGERPRINT = 7;
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static final int INDEX_HAS_ENCRYPT = 8;
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private void loadData(Uri dataUri) {
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mDataUri = dataUri;
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Log.i(Constants.TAG, "mDataUri: " + mDataUri);
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// Prepare the loaders. Either re-connect with an existing ones,
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// or start new ones.
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// TODO Is this loader the same as the one in the activity?
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getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
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}
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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setContentShown(false);
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switch (id) {
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case LOADER_ID_UNIFIED: {
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Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
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return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null);
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}
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case LOADER_ID_USER_IDS:
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return UserIdsAdapter.createLoader(getActivity(), mDataUri);
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default:
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return null;
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}
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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/* TODO better error handling? May cause problems when a key is deleted,
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* because the notification triggers faster than the activity closes.
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*/
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// Avoid NullPointerExceptions...
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if (data.getCount() == 0) {
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return;
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}
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// Swap the new cursor in. (The framework will take care of closing the
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// old cursor once we return.)
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switch (loader.getId()) {
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case LOADER_ID_UNIFIED: {
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if (data.moveToFirst()) {
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mIsSecret = data.getInt(INDEX_HAS_ANY_SECRET) != 0;
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//TODO system to allow immediate refreshing of system contact on verification
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if (!mSystemContactLoaded) {//ensure we load linked system contact only once
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long masterKeyId = data.getLong(INDEX_MASTER_KEY_ID);
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loadLinkedSystemContact(masterKeyId);
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}
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// load user ids after we know if it's a secret key
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mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, !mIsSecret, null);
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mUserIds.setAdapter(mUserIdsAdapter);
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getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
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break;
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}
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}
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case LOADER_ID_USER_IDS: {
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mUserIdsAdapter.swapCursor(data);
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break;
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}
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}
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setContentShown(true);
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}
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/**
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* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
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* We need to make sure we are no longer using it.
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*/
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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switch (loader.getId()) {
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case LOADER_ID_USER_IDS: {
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mUserIdsAdapter.swapCursor(null);
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break;
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}
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}
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}
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}
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