974 lines
37 KiB
Java
974 lines
37 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 java.io.IOException;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import android.Manifest;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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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.content.pm.PackageManager;
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import android.graphics.Bitmap;
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import android.graphics.Point;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Build.VERSION_CODES;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.v4.app.FragmentActivity;
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import android.support.v4.content.ContextCompat;
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import android.support.v7.widget.DefaultItemAnimator;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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import android.widget.Toast;
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import org.openintents.openpgp.util.OpenPgpUtils;
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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.operations.results.SignEncryptResult;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.PgpSecurityConstants;
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import org.sufficientlysecure.keychain.pgp.PgpSignEncryptData;
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import org.sufficientlysecure.keychain.pgp.SignEncryptParcel;
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import org.sufficientlysecure.keychain.provider.TemporaryFileProvider;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.ui.adapter.SpacesItemDecoration;
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import org.sufficientlysecure.keychain.ui.base.CachingCryptoOperationFragment;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
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import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.ui.util.Notify.ActionListener;
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import org.sufficientlysecure.keychain.ui.util.Notify.Style;
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import org.sufficientlysecure.keychain.util.FileHelper;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import org.sufficientlysecure.keychain.util.Preferences;
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import timber.log.Timber;
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public class EncryptFilesFragment
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extends CachingCryptoOperationFragment<SignEncryptParcel, SignEncryptResult> {
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public static final String ARG_DELETE_AFTER_ENCRYPT = "delete_after_encrypt";
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public static final String ARG_ENCRYPT_FILENAMES = "encrypt_filenames";
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public static final String ARG_USE_COMPRESSION = "use_compression";
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public static final String ARG_SELF_ENCRYPT = "self_encrypt";
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public static final String ARG_USE_ASCII_ARMOR = "use_ascii_armor";
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public static final String ARG_URIS = "uris";
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public static final int REQUEST_CODE_INPUT = 0x00007003;
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private static final int REQUEST_CODE_OUTPUT = 0x00007007;
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private static final int REQUEST_PERMISSION_READ_EXTERNAL_STORAGE = 12;
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private boolean mUseArmor;
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private boolean mUseCompression;
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private boolean mSelfEncrypt;
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private boolean mDeleteAfterEncrypt;
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private boolean mEncryptFilenames;
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private boolean mHiddenRecipients = false;
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private ArrayList<Uri> mPendingInputUris;
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private AfterEncryptAction mAfterEncryptAction;
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private enum AfterEncryptAction {
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SAVE, SHARE, COPY
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}
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private ArrayList<Uri> mOutputUris;
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private RecyclerView mSelectedFiles;
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FilesAdapter mFilesAdapter;
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/**
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* Creates new instance of this fragment
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*/
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public static EncryptFilesFragment newInstance(ArrayList<Uri> uris) {
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EncryptFilesFragment frag = new EncryptFilesFragment();
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Bundle args = new Bundle();
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args.putParcelableArrayList(ARG_URIS, uris);
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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 void onAttach(Context context) {
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super.onAttach(context);
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if ( ! (context instanceof EncryptActivity) ) {
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throw new AssertionError(context + " must inherit from EncryptionActivity");
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}
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}
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/**
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* Inflate the layout for this fragment
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*/
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.encrypt_files_fragment, container, false);
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mSelectedFiles = view.findViewById(R.id.selected_files_list);
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mSelectedFiles.addItemDecoration(new SpacesItemDecoration(
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FormattingUtils.dpToPx(getActivity(), 4)));
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mSelectedFiles.setHasFixedSize(true);
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mSelectedFiles.setLayoutManager(new LinearLayoutManager(getActivity()));
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mSelectedFiles.setItemAnimator(new DefaultItemAnimator());
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mFilesAdapter = new FilesAdapter(getActivity(), new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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addInputUri();
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}
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});
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mSelectedFiles.setAdapter(mFilesAdapter);
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Bundle args = savedInstanceState == null ? getArguments() : savedInstanceState;
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mPendingInputUris = new ArrayList<>();
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ArrayList<Uri> inputUris = args.getParcelableArrayList(ARG_URIS);
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if (inputUris != null) {
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mPendingInputUris.addAll(inputUris);
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processPendingInputUris();
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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 onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putBoolean(ARG_DELETE_AFTER_ENCRYPT, mDeleteAfterEncrypt);
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outState.putBoolean(ARG_USE_ASCII_ARMOR, mUseArmor);
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outState.putBoolean(ARG_USE_COMPRESSION, mUseCompression);
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outState.putBoolean(ARG_SELF_ENCRYPT, mSelfEncrypt);
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outState.putBoolean(ARG_ENCRYPT_FILENAMES, mEncryptFilenames);
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outState.putParcelableArrayList(ARG_URIS, mFilesAdapter.getAsArrayList());
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Preferences prefs = Preferences.getPreferences(getActivity());
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Bundle args = savedInstanceState == null ? getArguments() : savedInstanceState;
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mDeleteAfterEncrypt = args.getBoolean(ARG_DELETE_AFTER_ENCRYPT, false);
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if (args.containsKey(ARG_USE_ASCII_ARMOR)) {
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mUseArmor = args.getBoolean(ARG_USE_ASCII_ARMOR, false);
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} else {
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mUseArmor = prefs.getUseArmor();
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}
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if (args.containsKey(ARG_USE_COMPRESSION)) {
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mUseCompression = args.getBoolean(ARG_USE_COMPRESSION, true);
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} else {
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mUseCompression = prefs.getFilesUseCompression();
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}
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if (args.containsKey(ARG_SELF_ENCRYPT)) {
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mSelfEncrypt = args.getBoolean(ARG_SELF_ENCRYPT, true);
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} else {
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mSelfEncrypt = prefs.getFilesEncryptToSelf();
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}
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if (args.containsKey(ARG_ENCRYPT_FILENAMES)) {
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mEncryptFilenames = args.getBoolean(ARG_ENCRYPT_FILENAMES, false);
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} else {
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mEncryptFilenames = prefs.getEncryptFilenames();
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}
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setHasOptionsMenu(true);
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}
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private void addInputUri() {
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FileHelper.openDocument(EncryptFilesFragment.this, "*/*", true, REQUEST_CODE_INPUT);
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}
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public void addInputUri(Intent data) {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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mPendingInputUris.add(data.getData());
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} else {
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if (data.getClipData() != null && data.getClipData().getItemCount() > 0) {
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for (int i = 0; i < data.getClipData().getItemCount(); i++) {
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Uri uri = data.getClipData().getItemAt(i).getUri();
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if (uri != null) {
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mPendingInputUris.add(uri);
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}
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}
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} else {
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// fallback, try old method to get single uri
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mPendingInputUris.add(data.getData());
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}
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}
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// process pending uris
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processPendingInputUris();
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}
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private void processPendingInputUris() {
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Iterator<Uri> it = mPendingInputUris.iterator();
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while (it.hasNext()) {
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Uri inputUri = it.next();
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if ( ! checkAndRequestReadPermission(inputUri)) {
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// break out, don't process other uris and don't remove this one from queue
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break;
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}
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try {
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mFilesAdapter.add(inputUri);
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} catch (IOException e) {
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String fileName = FileHelper.getFilename(getActivity(), inputUri);
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Notify.create(getActivity(),
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getActivity().getString(R.string.error_file_added_already, fileName),
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Notify.Style.ERROR).show(this);
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}
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// remove from pending input uris
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it.remove();
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}
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mSelectedFiles.requestFocus();
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}
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/**
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* Request READ_EXTERNAL_STORAGE permission on Android >= 6.0 to read content from "file" Uris.
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*
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* This method returns true on Android < 6, or if permission is already granted. It
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* requests the permission and returns false otherwise.
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*
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* see https://commonsware.com/blog/2015/10/07/runtime-permissions-files-action-send.html
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*/
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private boolean checkAndRequestReadPermission(final Uri uri) {
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if ( ! ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
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return true;
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}
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// Additional check due to https://commonsware.com/blog/2015/11/09/you-cannot-hold-nonexistent-permissions.html
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if (Build.VERSION.SDK_INT < VERSION_CODES.M) {
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return true;
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}
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if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.READ_EXTERNAL_STORAGE)
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== PackageManager.PERMISSION_GRANTED) {
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return true;
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}
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requestPermissions(
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new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
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REQUEST_PERMISSION_READ_EXTERNAL_STORAGE);
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return false;
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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 (requestCode != REQUEST_PERMISSION_READ_EXTERNAL_STORAGE) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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return;
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}
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boolean permissionWasGranted = grantResults.length > 0
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&& grantResults[0] == PackageManager.PERMISSION_GRANTED;
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if (permissionWasGranted) {
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// permission granted -> restart processing uris
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processPendingInputUris();
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} else {
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Toast.makeText(getActivity(), R.string.error_denied_storage_permission, Toast.LENGTH_LONG).show();
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getActivity().setResult(Activity.RESULT_CANCELED);
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getActivity().finish();
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}
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}
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@TargetApi(VERSION_CODES.KITKAT)
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private void showOutputFileDialog() {
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if (mFilesAdapter.getModelCount() != 1) {
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throw new IllegalStateException();
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}
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FilesAdapter.ViewModel model = mFilesAdapter.getModelItem(0);
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String targetName =
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(mEncryptFilenames ? "1" : FileHelper.getFilename(getActivity(), model.inputUri))
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+ (mUseArmor ? Constants.FILE_EXTENSION_ASC : Constants.FILE_EXTENSION_PGP_MAIN);
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FileHelper.saveDocument(this, targetName, REQUEST_CODE_OUTPUT);
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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super.onCreateOptionsMenu(menu, inflater);
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inflater.inflate(R.menu.encrypt_file_fragment, menu);
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menu.findItem(R.id.check_delete_after_encrypt).setChecked(mDeleteAfterEncrypt);
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menu.findItem(R.id.check_use_armor).setChecked(mUseArmor);
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menu.findItem(R.id.check_enable_compression).setChecked(mUseCompression);
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menu.findItem(R.id.check_enable_self_encrypt).setChecked(mSelfEncrypt);
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menu.findItem(R.id.check_encrypt_filenames).setChecked(mEncryptFilenames);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.encrypt_save: {
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hideKeyboard();
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mAfterEncryptAction = AfterEncryptAction.SAVE;
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cryptoOperation(CryptoInputParcel.createCryptoInputParcel(new Date()));
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break;
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}
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case R.id.encrypt_share: {
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hideKeyboard();
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mAfterEncryptAction = AfterEncryptAction.SHARE;
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cryptoOperation(CryptoInputParcel.createCryptoInputParcel(new Date()));
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break;
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}
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case R.id.encrypt_copy: {
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hideKeyboard();
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mAfterEncryptAction = AfterEncryptAction.COPY;
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cryptoOperation(CryptoInputParcel.createCryptoInputParcel(new Date()));
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break;
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}
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case R.id.check_use_armor: {
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toggleUseArmor(item, !item.isChecked());
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break;
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}
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case R.id.check_delete_after_encrypt: {
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item.setChecked(!item.isChecked());
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mDeleteAfterEncrypt = item.isChecked();
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break;
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}
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case R.id.check_enable_compression: {
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toggleEnableCompression(item, !item.isChecked());
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break;
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}
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case R.id.check_enable_self_encrypt: {
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toggleEnableSelfEncrypt(item, !item.isChecked());
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break;
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}
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case R.id.check_encrypt_filenames: {
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toggleEncryptFilenamesCheck(item, !item.isChecked());
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break;
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}
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// case R.id.check_hidden_recipients: {
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// mHiddenRecipients = item.isChecked();
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// notifyUpdate();
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// break;
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// }
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default: {
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return super.onOptionsItemSelected(item);
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}
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}
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return true;
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}
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@Override
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public void onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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// Show save only on Android >= 4.4 (Document Provider)
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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MenuItem save = menu.findItem(R.id.encrypt_save);
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save.setVisible(false);
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}
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}
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public void toggleUseArmor(MenuItem item, final boolean useArmor) {
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mUseArmor = useArmor;
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item.setChecked(useArmor);
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Notify.create(getActivity(), useArmor
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? R.string.snack_armor_on
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: R.string.snack_armor_off,
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Notify.LENGTH_LONG, Style.OK, new ActionListener() {
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@Override
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public void onAction() {
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Preferences.getPreferences(getActivity()).setUseArmor(useArmor);
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Notify.create(getActivity(), useArmor
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? R.string.snack_armor_on
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: R.string.snack_armor_off,
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Notify.LENGTH_SHORT, Style.OK, null, R.string.btn_saved)
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.show(EncryptFilesFragment.this, false);
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}
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}, R.string.btn_save_default).show(this);
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}
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public void toggleEnableSelfEncrypt(MenuItem item, final boolean selfEncrypt) {
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mSelfEncrypt = selfEncrypt;
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item.setChecked(selfEncrypt);
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Notify.create(getActivity(), selfEncrypt
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? R.string.snack_self_encrypt_on
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: R.string.snack_self_encrypt_off,
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Notify.LENGTH_LONG, Style.OK, new ActionListener() {
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@Override
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public void onAction() {
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Preferences.getPreferences(getActivity()).setFilesEncryptToSelf(selfEncrypt);
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Notify.create(getActivity(), selfEncrypt
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? R.string.snack_self_encrypt_on
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: R.string.snack_self_encrypt_off,
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Notify.LENGTH_SHORT, Style.OK, null, R.string.btn_saved)
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.show(EncryptFilesFragment.this, false);
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}
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}, R.string.btn_save_default).show(this);
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}
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public void toggleEnableCompression(MenuItem item, final boolean compress) {
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mUseCompression = compress;
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item.setChecked(compress);
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Notify.create(getActivity(), compress
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? R.string.snack_compression_on
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: R.string.snack_compression_off,
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Notify.LENGTH_LONG, Style.OK, new ActionListener() {
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@Override
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public void onAction() {
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Preferences.getPreferences(getActivity()).setFilesUseCompression(compress);
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Notify.create(getActivity(), compress
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? R.string.snack_compression_on
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: R.string.snack_compression_off,
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Notify.LENGTH_SHORT, Style.OK, null, R.string.btn_saved)
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.show(EncryptFilesFragment.this, false);
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}
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}, R.string.btn_save_default).show(this);
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}
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public void toggleEncryptFilenamesCheck(MenuItem item, final boolean encryptFilenames) {
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mEncryptFilenames = encryptFilenames;
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item.setChecked(encryptFilenames);
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Notify.create(getActivity(), encryptFilenames
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? R.string.snack_encrypt_filenames_on
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: R.string.snack_encrypt_filenames_off,
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Notify.LENGTH_LONG, Style.OK, new ActionListener() {
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@Override
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public void onAction() {
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Preferences.getPreferences(getActivity()).setEncryptFilenames(encryptFilenames);
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Notify.create(getActivity(), encryptFilenames
|
|
? R.string.snack_encrypt_filenames_on
|
|
: R.string.snack_encrypt_filenames_off,
|
|
Notify.LENGTH_SHORT, Style.OK, null, R.string.btn_saved)
|
|
.show(EncryptFilesFragment.this, false);
|
|
}
|
|
}, R.string.btn_save_default).show(this);
|
|
|
|
}
|
|
|
|
@Override
|
|
public void onQueuedOperationSuccess(final SignEncryptResult result) {
|
|
super.onQueuedOperationSuccess(result);
|
|
|
|
hideKeyboard();
|
|
|
|
// protected by Queueing*Fragment
|
|
FragmentActivity activity = getActivity();
|
|
|
|
if (mDeleteAfterEncrypt) {
|
|
// TODO make behavior coherent here
|
|
DeleteFileDialogFragment deleteFileDialog =
|
|
DeleteFileDialogFragment.newInstance(mFilesAdapter.getAsArrayList());
|
|
deleteFileDialog.setOnDeletedListener(new DeleteFileDialogFragment.OnDeletedListener() {
|
|
|
|
@Override
|
|
public void onDeleted() {
|
|
if (mAfterEncryptAction == AfterEncryptAction.SHARE) {
|
|
// Share encrypted message/file
|
|
startActivity(Intent.createChooser(createSendIntent(), getString(R.string.title_share_file)));
|
|
} else {
|
|
Activity activity = getActivity();
|
|
if (activity == null) {
|
|
// it's gone, there's nothing we can do here
|
|
return;
|
|
}
|
|
// Save encrypted file
|
|
result.createNotify(activity).show();
|
|
}
|
|
}
|
|
|
|
});
|
|
deleteFileDialog.show(activity.getSupportFragmentManager(), "deleteDialog");
|
|
} else {
|
|
|
|
switch (mAfterEncryptAction) {
|
|
|
|
case SHARE:
|
|
// Share encrypted message/file
|
|
startActivity(Intent.createChooser(createSendIntent(), getString(R.string.title_share_file)));
|
|
break;
|
|
|
|
case COPY:
|
|
|
|
ClipboardManager clipMan = (ClipboardManager) activity.getSystemService(Context.CLIPBOARD_SERVICE);
|
|
if (clipMan == null) {
|
|
Notify.create(activity, R.string.error_clipboard_copy, Style.ERROR).show();
|
|
break;
|
|
}
|
|
ClipData clip = new ClipData(getString(R.string.label_clip_title),
|
|
// make available as application/pgp-encrypted
|
|
new String[] { "text/plain" },
|
|
new ClipData.Item(mOutputUris.get(0))
|
|
);
|
|
clipMan.setPrimaryClip(clip);
|
|
result.createNotify(activity).show();
|
|
break;
|
|
|
|
case SAVE:
|
|
// Encrypted file was saved already, just show notification
|
|
result.createNotify(activity).show();
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// prepares mOutputUris, either directly and returns false, or indirectly
|
|
// which returns true and will call cryptoOperation after mOutputUris has
|
|
// been set at a later point.
|
|
private boolean prepareOutputStreams() {
|
|
|
|
switch (mAfterEncryptAction) {
|
|
default:
|
|
case SHARE:
|
|
mOutputUris = new ArrayList<>();
|
|
int filenameCounter = 1;
|
|
for (FilesAdapter.ViewModel model : mFilesAdapter.mDataset) {
|
|
String targetName = (mEncryptFilenames
|
|
? String.valueOf(filenameCounter) : FileHelper.getFilename(getActivity(), model.inputUri))
|
|
+ (mUseArmor ? Constants.FILE_EXTENSION_ASC : Constants.FILE_EXTENSION_PGP_MAIN);
|
|
mOutputUris.add(TemporaryFileProvider.createFile(getActivity(), targetName));
|
|
filenameCounter++;
|
|
}
|
|
return false;
|
|
|
|
case SAVE:
|
|
if (mFilesAdapter.getModelCount() > 1) {
|
|
Notify.create(getActivity(), R.string.error_multi_files, Notify.Style.ERROR).show(this);
|
|
return true;
|
|
}
|
|
showOutputFileDialog();
|
|
return true;
|
|
|
|
case COPY:
|
|
// nothing to do here, but make sure
|
|
if (mFilesAdapter.getModelCount() > 1) {
|
|
Notify.create(getActivity(), R.string.error_multi_clipboard, Notify.Style.ERROR).show(this);
|
|
return true;
|
|
}
|
|
mOutputUris = new ArrayList<>();
|
|
String targetName = (mEncryptFilenames
|
|
? String.valueOf(1) : FileHelper.getFilename(getActivity(),
|
|
mFilesAdapter.getModelItem(0).inputUri)) + Constants.FILE_EXTENSION_ASC;
|
|
mOutputUris.add(TemporaryFileProvider.createFile(getActivity(), targetName, "text/plain"));
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
public SignEncryptParcel createOperationInput() {
|
|
SignEncryptParcel actionsParcel = getCachedActionsParcel();
|
|
|
|
// we have three cases here: nothing cached, cached except output, fully cached
|
|
if (actionsParcel == null) {
|
|
// clear output uris for now, they will be created by prepareOutputStreams later
|
|
mOutputUris = null;
|
|
|
|
actionsParcel = createIncompleteCryptoInput();
|
|
// this is null if invalid, just return in that case
|
|
if (actionsParcel == null) {
|
|
return null;
|
|
}
|
|
|
|
cacheActionsParcel(actionsParcel);
|
|
}
|
|
|
|
// if it's incomplete, prepare output streams
|
|
if (actionsParcel.isIncomplete()) {
|
|
// if this is still null, prepare output streams again
|
|
if (mOutputUris == null) {
|
|
// this may interrupt the flow, and call us again from onActivityResult
|
|
if (prepareOutputStreams()) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
actionsParcel = SignEncryptParcel.builder(actionsParcel)
|
|
.addOutputUris(mOutputUris)
|
|
.build();
|
|
cacheActionsParcel(actionsParcel);
|
|
}
|
|
|
|
return actionsParcel;
|
|
|
|
}
|
|
|
|
protected SignEncryptParcel createIncompleteCryptoInput() {
|
|
|
|
if (mFilesAdapter.getModelCount() == 0) {
|
|
Notify.create(getActivity(), R.string.error_no_file_selected, Notify.Style.ERROR).show(this);
|
|
return null;
|
|
}
|
|
|
|
// fill values for this action
|
|
PgpSignEncryptData.Builder data = PgpSignEncryptData.builder();
|
|
|
|
if (!mUseCompression) {
|
|
data.setCompressionAlgorithm(PgpSecurityConstants.OpenKeychainCompressionAlgorithmTags.UNCOMPRESSED);
|
|
}
|
|
data.setHiddenRecipients(mHiddenRecipients);
|
|
data.setEnableAsciiArmorOutput(mAfterEncryptAction == AfterEncryptAction.COPY || mUseArmor);
|
|
|
|
EncryptActivity encryptActivity = (EncryptActivity) getActivity();
|
|
EncryptModeFragment modeFragment = encryptActivity.getModeFragment();
|
|
|
|
if (modeFragment.isAsymmetric()) {
|
|
long[] encryptionKeyIds = modeFragment.getAsymmetricEncryptionKeyIds();
|
|
long signingKeyId = modeFragment.getAsymmetricSigningKeyId();
|
|
|
|
boolean gotEncryptionKeys = (encryptionKeyIds != null && encryptionKeyIds.length > 0);
|
|
|
|
if (!gotEncryptionKeys && signingKeyId != 0) {
|
|
Notify.create(getActivity(), R.string.error_detached_signature, Notify.Style.ERROR).show(this);
|
|
return null;
|
|
}
|
|
if (!gotEncryptionKeys) {
|
|
Notify.create(getActivity(), R.string.select_encryption_key, Notify.Style.ERROR).show(this);
|
|
return null;
|
|
}
|
|
|
|
data.setEncryptionMasterKeyIds(encryptionKeyIds);
|
|
data.setSignatureMasterKeyId(signingKeyId);
|
|
if (signingKeyId != Constants.key.none && mSelfEncrypt) {
|
|
data.setAdditionalEncryptId(signingKeyId);
|
|
}
|
|
} else {
|
|
Passphrase passphrase = modeFragment.getSymmetricPassphrase();
|
|
if (passphrase == null) {
|
|
Notify.create(getActivity(), R.string.passphrases_do_not_match, Notify.Style.ERROR)
|
|
.show(this);
|
|
return null;
|
|
}
|
|
if (passphrase.isEmpty()) {
|
|
Notify.create(getActivity(), R.string.passphrase_must_not_be_empty, Notify.Style.ERROR)
|
|
.show(this);
|
|
return null;
|
|
}
|
|
data.setSymmetricPassphrase(passphrase);
|
|
}
|
|
|
|
|
|
SignEncryptParcel.Builder builder = SignEncryptParcel.builder(data.build());
|
|
builder.addInputUris(mFilesAdapter.getAsArrayList());
|
|
return builder.build();
|
|
}
|
|
|
|
private Intent createSendIntent() {
|
|
Intent sendIntent;
|
|
// file
|
|
if (mOutputUris.size() == 1) {
|
|
sendIntent = new Intent(Intent.ACTION_SEND);
|
|
sendIntent.putExtra(Intent.EXTRA_STREAM, mOutputUris.get(0));
|
|
} else {
|
|
sendIntent = new Intent(Intent.ACTION_SEND_MULTIPLE);
|
|
sendIntent.putExtra(Intent.EXTRA_STREAM, mOutputUris);
|
|
}
|
|
sendIntent.setType(Constants.MIME_TYPE_ENCRYPTED_ALTERNATE);
|
|
|
|
EncryptActivity modeInterface = (EncryptActivity) getActivity();
|
|
EncryptModeFragment modeFragment = modeInterface.getModeFragment();
|
|
if (!modeFragment.isAsymmetric()) {
|
|
return sendIntent;
|
|
}
|
|
|
|
String[] encryptionUserIds = modeFragment.getAsymmetricEncryptionUserIds();
|
|
if (encryptionUserIds == null) {
|
|
return sendIntent;
|
|
}
|
|
|
|
Set<String> users = new HashSet<>();
|
|
for (String user : encryptionUserIds) {
|
|
OpenPgpUtils.UserId userId = KeyRing.splitUserId(user);
|
|
if (userId.email != null) {
|
|
users.add(userId.email);
|
|
}
|
|
}
|
|
// pass trough email addresses as extra for email applications
|
|
sendIntent.putExtra(Intent.EXTRA_EMAIL, users.toArray(new String[users.size()]));
|
|
|
|
return sendIntent;
|
|
}
|
|
|
|
@Override
|
|
public void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
switch (requestCode) {
|
|
case REQUEST_CODE_INPUT: {
|
|
if (resultCode == Activity.RESULT_OK && data != null) {
|
|
addInputUri(data);
|
|
}
|
|
return;
|
|
}
|
|
case REQUEST_CODE_OUTPUT: {
|
|
// This happens after output file was selected, so start our operation
|
|
if (resultCode == Activity.RESULT_OK && data != null) {
|
|
mOutputUris = new ArrayList<>(1);
|
|
mOutputUris.add(data.getData());
|
|
// make sure this is correct at this point
|
|
mAfterEncryptAction = AfterEncryptAction.SAVE;
|
|
cryptoOperation(CryptoInputParcel.createCryptoInputParcel(new Date()));
|
|
} else if (resultCode == Activity.RESULT_CANCELED) {
|
|
onCryptoOperationCancelled();
|
|
}
|
|
return;
|
|
}
|
|
|
|
default: {
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static class FilesAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
|
|
private Activity mActivity;
|
|
private List<ViewModel> mDataset;
|
|
private View.OnClickListener mFooterOnClickListener;
|
|
private static final int TYPE_FOOTER = 0;
|
|
private static final int TYPE_ITEM = 1;
|
|
|
|
public static class ViewModel {
|
|
Uri inputUri;
|
|
Bitmap thumbnail;
|
|
String filename;
|
|
long fileSize;
|
|
|
|
ViewModel(Context context, Uri inputUri) {
|
|
this.inputUri = inputUri;
|
|
int px = FormattingUtils.dpToPx(context, 48);
|
|
this.thumbnail = FileHelper.getThumbnail(context, inputUri, new Point(px, px));
|
|
this.filename = FileHelper.getFilename(context, inputUri);
|
|
this.fileSize = FileHelper.getFileSize(context, inputUri);
|
|
}
|
|
|
|
/**
|
|
* Depends on inputUri only
|
|
*/
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
ViewModel viewModel = (ViewModel) o;
|
|
return !(inputUri != null ? !inputUri.equals(viewModel.inputUri)
|
|
: viewModel.inputUri != null);
|
|
}
|
|
|
|
/**
|
|
* Depends on inputUri only
|
|
*/
|
|
@Override
|
|
public int hashCode() {
|
|
return inputUri != null ? inputUri.hashCode() : 0;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return inputUri.toString();
|
|
}
|
|
}
|
|
|
|
// Provide a reference to the views for each data item
|
|
// Complex data items may need more than one view per item, and
|
|
// you provide access to all the views for a data item in a view holder
|
|
class ViewHolder extends RecyclerView.ViewHolder {
|
|
public TextView filename;
|
|
public TextView fileSize;
|
|
public View removeButton;
|
|
public ImageView thumbnail;
|
|
|
|
public ViewHolder(View itemView) {
|
|
super(itemView);
|
|
filename = itemView.findViewById(R.id.filename);
|
|
fileSize = itemView.findViewById(R.id.filesize);
|
|
removeButton = itemView.findViewById(R.id.action_remove_file_from_list);
|
|
thumbnail = itemView.findViewById(R.id.thumbnail);
|
|
}
|
|
}
|
|
|
|
class FooterHolder extends RecyclerView.ViewHolder {
|
|
public Button mAddButton;
|
|
|
|
public FooterHolder(View itemView) {
|
|
super(itemView);
|
|
mAddButton = itemView.findViewById(R.id.file_list_entry_add);
|
|
}
|
|
}
|
|
|
|
// Provide a suitable constructor (depends on the kind of dataset)
|
|
public FilesAdapter(Activity activity, View.OnClickListener onFooterClickListener) {
|
|
mActivity = activity;
|
|
mDataset = new ArrayList<>();
|
|
mFooterOnClickListener = onFooterClickListener;
|
|
}
|
|
|
|
// Create new views (invoked by the layout manager)
|
|
@Override
|
|
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
|
|
if (viewType == TYPE_FOOTER) {
|
|
View v = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.file_list_entry_add, parent, false);
|
|
return new FooterHolder(v);
|
|
} else {
|
|
//inflate your layout and pass it to view holder
|
|
View v = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.file_list_entry, parent, false);
|
|
return new ViewHolder(v);
|
|
}
|
|
}
|
|
|
|
// Replace the contents of a view (invoked by the layout manager)
|
|
@Override
|
|
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
|
|
if (holder instanceof FooterHolder) {
|
|
FooterHolder thisHolder = (FooterHolder) holder;
|
|
thisHolder.mAddButton.setOnClickListener(mFooterOnClickListener);
|
|
} else if (holder instanceof ViewHolder) {
|
|
ViewHolder thisHolder = (ViewHolder) holder;
|
|
// - get element from your dataset at this position
|
|
// - replace the contents of the view with that element
|
|
final ViewModel model = mDataset.get(position);
|
|
|
|
thisHolder.filename.setText(model.filename);
|
|
if (model.fileSize == -1) {
|
|
thisHolder.fileSize.setText("");
|
|
} else {
|
|
thisHolder.fileSize.setText(FileHelper.readableFileSize(model.fileSize));
|
|
}
|
|
thisHolder.removeButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
remove(model);
|
|
}
|
|
});
|
|
if (model.thumbnail != null) {
|
|
thisHolder.thumbnail.setImageBitmap(model.thumbnail);
|
|
} else {
|
|
thisHolder.thumbnail.setImageResource(R.drawable.ic_doc_generic_am);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Return the size of your dataset (invoked by the layout manager)
|
|
@Override
|
|
public int getItemCount() {
|
|
// one extra for the footer!
|
|
return mDataset.size() +1;
|
|
}
|
|
|
|
@Override
|
|
public int getItemViewType(int position) {
|
|
if (isPositionFooter(position)) {
|
|
return TYPE_FOOTER;
|
|
} else {
|
|
return TYPE_ITEM;
|
|
}
|
|
}
|
|
|
|
private boolean isPositionFooter(int position) {
|
|
return position == mDataset.size();
|
|
}
|
|
|
|
public void add(Uri inputUri) throws IOException {
|
|
ViewModel newModel = new ViewModel(mActivity, inputUri);
|
|
if (mDataset.contains(newModel)) {
|
|
throw new IOException("Already added!");
|
|
}
|
|
mDataset.add(newModel);
|
|
notifyItemInserted(mDataset.size() - 1);
|
|
}
|
|
|
|
public void addAll(ArrayList<Uri> inputUris) {
|
|
if (inputUris != null) {
|
|
int startIndex = mDataset.size();
|
|
for (Uri inputUri : inputUris) {
|
|
ViewModel newModel = new ViewModel(mActivity, inputUri);
|
|
if (mDataset.contains(newModel)) {
|
|
Timber.e("Skipped duplicate " + inputUri);
|
|
} else {
|
|
mDataset.add(newModel);
|
|
}
|
|
}
|
|
notifyItemRangeInserted(startIndex, mDataset.size() - startIndex);
|
|
}
|
|
}
|
|
|
|
public int getModelCount() {
|
|
return mDataset.size();
|
|
}
|
|
|
|
public ViewModel getModelItem(int position) {
|
|
return mDataset.get(position);
|
|
}
|
|
|
|
public void remove(ViewModel model) {
|
|
int position = mDataset.indexOf(model);
|
|
mDataset.remove(position);
|
|
notifyItemRemoved(position);
|
|
}
|
|
|
|
public ArrayList<Uri> getAsArrayList() {
|
|
ArrayList<Uri> uris = new ArrayList<>();
|
|
for (ViewModel model : mDataset) {
|
|
uris.add(model.inputUri);
|
|
}
|
|
return uris;
|
|
}
|
|
|
|
}
|
|
}
|