351 lines
14 KiB
Java
351 lines
14 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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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.app.Activity;
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import android.content.Context;
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import androidx.databinding.DataBindingUtil;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import androidx.annotation.NonNull;
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import androidx.fragment.app.Fragment;
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import androidx.fragment.app.FragmentActivity;
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import androidx.loader.app.LoaderManager;
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import androidx.loader.content.Loader;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.databinding.ImportKeysListFragmentBinding;
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import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
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import org.sufficientlysecure.keychain.keyimport.processing.AsyncTaskResultWrapper;
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import org.sufficientlysecure.keychain.keyimport.processing.BytesLoaderState;
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import org.sufficientlysecure.keychain.keyimport.processing.CloudLoaderState;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListCloudLoader;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListLoader;
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import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListener;
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import org.sufficientlysecure.keychain.keyimport.processing.LoaderState;
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import org.sufficientlysecure.keychain.operations.results.GetKeyResult;
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import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
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import org.sufficientlysecure.keychain.ui.adapter.ImportKeysAdapter;
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import org.sufficientlysecure.keychain.ui.util.PermissionsUtil;
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import org.sufficientlysecure.keychain.util.ParcelableProxy;
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import org.sufficientlysecure.keychain.util.Preferences;
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import org.sufficientlysecure.keychain.util.Preferences.CloudSearchPrefs;
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import org.sufficientlysecure.keychain.network.orbot.OrbotHelper;
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import java.util.ArrayList;
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public class ImportKeysListFragment extends Fragment implements
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LoaderManager.LoaderCallbacks<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
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private static final String ARG_DATA_URI = "uri";
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private static final String ARG_BYTES = "bytes";
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public static final String ARG_SERVER_QUERY = "query";
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public static final String ARG_NON_INTERACTIVE = "non_interactive";
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public static final String ARG_CLOUD_SEARCH_PREFS = "cloud_search_prefs";
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private FragmentActivity mActivity;
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private ImportKeysListener mListener;
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private ImportKeysListFragmentBinding mBinding;
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private ParcelableProxy mParcelableProxy;
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private ImportKeysAdapter mAdapter;
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private LoaderState mLoaderState;
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public static final int STATUS_FIRST = 0;
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public static final int STATUS_LOADING = 1;
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public static final int STATUS_LOADED = 2;
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public static final int STATUS_EMPTY = 3;
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private static final int LOADER_ID_BYTES = 0;
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private static final int LOADER_ID_CLOUD = 1;
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private boolean mShowingOrbotDialog;
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/**
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* Creates an interactive ImportKeyListFragment which reads keyrings from bytes, or file specified
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* by dataUri, or searches a keyserver for serverQuery, if parameter is not null, in that order
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* Will immediately load data if non-null bytes/dataUri/serverQuery
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*
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* @param bytes byte data containing list of keyrings to be imported
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* @param dataUri file from which keyrings are to be imported
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* @param serverQuery query to search for on keyserver
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* @param cloudSearchPrefs search parameters to use. If null will retrieve from user's
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* preferences.
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* @return fragment with arguments set based on passed parameters
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*/
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public static ImportKeysListFragment newInstance(byte[] bytes, Uri dataUri, String serverQuery,
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CloudSearchPrefs cloudSearchPrefs) {
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return newInstance(bytes, dataUri, serverQuery, false, cloudSearchPrefs);
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}
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/**
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* Visually consists of a list of keyrings with checkboxes to specify which are to be imported
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* Will immediately load data if non-null bytes/dataUri/serverQuery is supplied
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*
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* @param bytes byte data containing list of keyrings to be imported
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* @param dataUri file from which keyrings are to be imported
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* @param serverQuery query to search for on keyserver
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* @param nonInteractive if true, users will not be able to check/uncheck items in the list
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* @param cloudSearchPrefs search parameters to use. If null will retrieve from user's
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* preferences.
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* @return fragment with arguments set based on passed parameters
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*/
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public static ImportKeysListFragment newInstance(byte[] bytes,
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Uri dataUri,
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String serverQuery,
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boolean nonInteractive,
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CloudSearchPrefs cloudSearchPrefs) {
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Bundle args = new Bundle();
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args.putByteArray(ARG_BYTES, bytes);
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args.putParcelable(ARG_DATA_URI, dataUri);
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args.putString(ARG_SERVER_QUERY, serverQuery);
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args.putBoolean(ARG_NON_INTERACTIVE, nonInteractive);
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args.putParcelable(ARG_CLOUD_SEARCH_PREFS, cloudSearchPrefs);
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ImportKeysListFragment frag = new ImportKeysListFragment();
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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 container, Bundle bundle) {
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mBinding = DataBindingUtil.inflate(inflater, R.layout.import_keys_list_fragment, container, false);
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mBinding.setStatus(STATUS_FIRST);
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View view = mBinding.getRoot();
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mActivity = getActivity();
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Bundle args = getArguments();
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Uri dataUri = args.getParcelable(ARG_DATA_URI);
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byte[] bytes = args.getByteArray(ARG_BYTES);
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String query = args.getString(ARG_SERVER_QUERY);
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boolean nonInteractive = args.getBoolean(ARG_NON_INTERACTIVE, false);
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mBinding.basic.setNonInteractive(nonInteractive);
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// Create an empty adapter we will use to display the loaded data.
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mAdapter = new ImportKeysAdapter(mActivity, mListener, nonInteractive);
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mBinding.recyclerView.setAdapter(mAdapter);
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mBinding.recyclerView.setLayoutManager(new LinearLayoutManager(mActivity));
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if (dataUri != null || bytes != null) {
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loadState(new BytesLoaderState(bytes, dataUri));
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} else if (query != null) {
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CloudSearchPrefs cloudSearchPrefs = args.getParcelable(ARG_CLOUD_SEARCH_PREFS);
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if (cloudSearchPrefs == null) {
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cloudSearchPrefs = Preferences.getPreferences(mActivity).getCloudSearchPrefs();
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}
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loadState(new CloudLoaderState(query, cloudSearchPrefs));
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}
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// mBinding.basic is only used for file import
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mBinding.basic.importKeys.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View view) {
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mListener.importKeys(mAdapter.getEntries());
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}
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});
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mBinding.basic.listKeys.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View view) {
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mBinding.setAdvanced(true);
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}
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});
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return view;
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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try {
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mListener = (ImportKeysListener) context;
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} catch (ClassCastException e) {
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throw new ClassCastException(context.toString()
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+ " must implement ImportKeysListener");
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}
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}
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@Override
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public void onRequestPermissionsResult(int requestCode,
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@NonNull String[] permissions,
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@NonNull int[] grantResults) {
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if (PermissionsUtil.checkReadPermissionResult(mActivity, requestCode, grantResults)) {
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restartLoaders();
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} else {
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mActivity.setResult(Activity.RESULT_CANCELED);
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mActivity.finish();
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}
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}
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/**
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* User may want to go back to single card view if he's now in full key list
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* Check if we are in full key list and if this import operation supports basic mode
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*
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* @return true if activity's back pressed can be performed
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*/
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public boolean onBackPressed() {
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boolean advanced = mBinding.getAdvanced();
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if (advanced && mLoaderState.isBasicModeSupported()) {
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mBinding.setAdvanced(false);
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return false;
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}
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return true;
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}
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public void loadState(LoaderState loaderState) {
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mLoaderState = loaderState;
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if (mLoaderState instanceof BytesLoaderState) {
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BytesLoaderState ls = (BytesLoaderState) mLoaderState;
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if (ls.mDataUri != null &&
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!PermissionsUtil.checkAndRequestReadPermission(this, ls.mDataUri)) {
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return;
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}
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}
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mBinding.setAdvanced(!mLoaderState.isBasicModeSupported());
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restartLoaders();
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}
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private void restartLoaders() {
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LoaderManager loaderManager = getLoaderManager();
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if (mLoaderState instanceof BytesLoaderState) {
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loaderManager.restartLoader(LOADER_ID_BYTES, null, this);
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} else if (mLoaderState instanceof CloudLoaderState) {
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loaderManager.restartLoader(LOADER_ID_CLOUD, null, this);
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}
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}
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@Override
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public Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> onCreateLoader(
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int id, Bundle args) {
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Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> loader = null;
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switch (id) {
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case LOADER_ID_BYTES: {
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loader = new ImportKeysListLoader(mActivity, (BytesLoaderState) mLoaderState);
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break;
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}
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case LOADER_ID_CLOUD: {
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loader = new ImportKeysListCloudLoader(mActivity, (CloudLoaderState) mLoaderState,
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mParcelableProxy);
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break;
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}
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}
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if (loader != null) {
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mBinding.setStatus(STATUS_LOADING);
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}
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return loader;
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}
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@Override
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public void onLoadFinished(
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Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> loader,
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AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
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mAdapter.setData(data.getResult());
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int size = mAdapter.getItemCount();
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mBinding.setNumber(size);
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mBinding.setStatus(size > 0 ? STATUS_LOADED : STATUS_EMPTY);
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GetKeyResult getKeyResult = (GetKeyResult) data.getOperationResult();
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switch (loader.getId()) {
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case LOADER_ID_BYTES:
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if (!getKeyResult.success()) {
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getKeyResult.createNotify(mActivity).show();
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}
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break;
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case LOADER_ID_CLOUD:
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if (getKeyResult.isPending()) {
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if (getKeyResult.getRequiredInputParcel().mType ==
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RequiredInputParcel.RequiredInputType.ENABLE_ORBOT) {
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if (mShowingOrbotDialog) {
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// to prevent dialogs stacking
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return;
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}
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// this is because we can't commit fragment dialogs in onLoadFinished
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Runnable showOrbotDialog = new Runnable() {
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@Override
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public void run() {
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OrbotHelper.DialogActions dialogActions =
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new OrbotHelper.DialogActions() {
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@Override
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public void onOrbotStarted() {
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mShowingOrbotDialog = false;
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restartLoaders();
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}
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@Override
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public void onNeutralButton() {
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mParcelableProxy = ParcelableProxy
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.getForNoProxy();
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mShowingOrbotDialog = false;
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restartLoaders();
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}
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@Override
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public void onCancel() {
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mShowingOrbotDialog = false;
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}
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};
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if (OrbotHelper.putOrbotInRequiredState(dialogActions, mActivity)) {
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// looks like we didn't have to show the
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// dialog after all
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mShowingOrbotDialog = false;
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restartLoaders();
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}
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}
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};
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new Handler().post(showOrbotDialog);
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mShowingOrbotDialog = true;
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}
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} else if (!getKeyResult.success()) {
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getKeyResult.createNotify(mActivity).show();
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}
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break;
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}
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}
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@Override
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public void onLoaderReset(
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Loader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> loader) {
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mAdapter.clearData();
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}
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}
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