310 lines
11 KiB
Java
310 lines
11 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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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.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Intent;
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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.Bundle;
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import android.support.v4.app.Fragment;
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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.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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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.helper.FileHelper;
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import org.sufficientlysecure.keychain.helper.OtherHelper;
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import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
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import java.io.File;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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public class EncryptFileFragment extends Fragment implements EncryptActivityInterface.UpdateListener {
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public static final String ARG_URIS = "uris";
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private static final int REQUEST_CODE_INPUT = 0x00007003;
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private static final int REQUEST_CODE_OUTPUT = 0x00007007;
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private EncryptActivityInterface mEncryptInterface;
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// view
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private View mAddView;
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private View mShareFile;
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private View mEncryptFile;
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private ListView mSelectedFiles;
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private SelectedFilesAdapter mAdapter = new SelectedFilesAdapter();
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private final Map<Uri, Bitmap> thumbnailCache = new HashMap<Uri, Bitmap>();
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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try {
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mEncryptInterface = (EncryptActivityInterface) activity;
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} catch (ClassCastException e) {
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throw new ClassCastException(activity.toString() + " must implement EncryptActivityInterface");
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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_file_fragment, container, false);
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mEncryptFile = view.findViewById(R.id.action_encrypt_file);
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mEncryptFile.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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encryptClicked(false);
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}
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});
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mShareFile = view.findViewById(R.id.action_encrypt_share);
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mShareFile.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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encryptClicked(true);
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}
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});
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mAddView = inflater.inflate(R.layout.file_list_entry_add, null);
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mAddView.setOnClickListener(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 = (ListView) view.findViewById(R.id.selected_files_list);
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mSelectedFiles.addFooterView(mAddView);
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mSelectedFiles.setAdapter(mAdapter);
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return view;
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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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addInputUris(getArguments().<Uri>getParcelableArrayList(ARG_URIS));
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}
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private void addInputUri() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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FileHelper.openDocument(EncryptFileFragment.this, "*/*", true, REQUEST_CODE_INPUT);
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} else {
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FileHelper.openFile(EncryptFileFragment.this, mEncryptInterface.getInputUris().isEmpty() ?
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null : mEncryptInterface.getInputUris().get(mEncryptInterface.getInputUris().size() - 1),
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"*/*", REQUEST_CODE_INPUT);
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}
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}
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private void addInputUris(List<Uri> uris) {
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if (uris != null) {
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for (Uri uri : uris) {
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addInputUri(uri);
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}
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}
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}
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private void addInputUri(Uri inputUri) {
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if (inputUri == null) {
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return;
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}
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mEncryptInterface.getInputUris().add(inputUri);
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mEncryptInterface.notifyUpdate();
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mSelectedFiles.requestFocus();
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/**
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* We hide the encrypt to file button if multiple files are selected.
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*
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* With Android L it will be possible to select a target directory for multiple files, so we might want to
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* change this later
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*/
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if (mEncryptInterface.getInputUris().size() > 1) {
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mEncryptFile.setVisibility(View.GONE);
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} else {
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mEncryptFile.setVisibility(View.VISIBLE);
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}
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}
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private void delInputUri(int position) {
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mEncryptInterface.getInputUris().remove(position);
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mEncryptInterface.notifyUpdate();
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mSelectedFiles.requestFocus();
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if (mEncryptInterface.getInputUris().size() > 1) {
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mEncryptFile.setVisibility(View.GONE);
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} else {
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mEncryptFile.setVisibility(View.VISIBLE);
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}
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}
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private void showOutputFileDialog() {
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if (mEncryptInterface.getInputUris().size() > 1 || mEncryptInterface.getInputUris().isEmpty()) {
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throw new IllegalStateException();
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}
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Uri inputUri = mEncryptInterface.getInputUris().get(0);
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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File file = new File(inputUri.getPath());
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File parentDir = file.exists() ? file.getParentFile() : Constants.Path.APP_DIR;
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String targetName = FileHelper.getFilename(getActivity(), inputUri) +
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(mEncryptInterface.isUseArmor() ? ".asc" : ".gpg");
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File targetFile = new File(parentDir, targetName);
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FileHelper.saveFile(this, getString(R.string.title_encrypt_to_file),
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getString(R.string.specify_file_to_encrypt_to), targetFile, REQUEST_CODE_OUTPUT);
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} else {
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FileHelper.saveDocument(this, "*/*", FileHelper.getFilename(getActivity(), inputUri) +
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(mEncryptInterface.isUseArmor() ? ".asc" : ".gpg"), REQUEST_CODE_OUTPUT);
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}
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}
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private void encryptClicked(boolean share) {
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if (share) {
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mEncryptInterface.getOutputUris().clear();
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for (Uri uri : mEncryptInterface.getInputUris()) {
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String targetName = FileHelper.getFilename(getActivity(), uri) +
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(mEncryptInterface.isUseArmor() ? ".asc" : ".gpg");
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mEncryptInterface.getOutputUris().add(TemporaryStorageProvider.createFile(getActivity(), targetName));
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}
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mEncryptInterface.startEncrypt(true);
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} else if (mEncryptInterface.getInputUris().size() == 1) {
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showOutputFileDialog();
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}
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}
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@TargetApi(Build.VERSION_CODES.KITKAT)
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public boolean handleClipData(Intent data) {
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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) addInputUri(uri);
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}
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return true;
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}
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return false;
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch (requestCode) {
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case REQUEST_CODE_INPUT: {
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if (resultCode == Activity.RESULT_OK && data != null) {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT || !handleClipData(data)) {
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addInputUri(data.getData());
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}
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}
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return;
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}
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case REQUEST_CODE_OUTPUT: {
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// This happens after output file was selected, so start our operation
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if (resultCode == Activity.RESULT_OK && data != null) {
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mEncryptInterface.getOutputUris().clear();
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mEncryptInterface.getOutputUris().add(data.getData());
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mEncryptInterface.notifyUpdate();
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mEncryptInterface.startEncrypt(false);
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}
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return;
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}
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default: {
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super.onActivityResult(requestCode, resultCode, data);
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break;
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}
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}
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}
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@Override
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public void onNotifyUpdate() {
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// Clear cache if needed
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for (Uri uri : new HashSet<Uri>(thumbnailCache.keySet())) {
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if (!mEncryptInterface.getInputUris().contains(uri)) {
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thumbnailCache.remove(uri);
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}
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}
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mAdapter.notifyDataSetChanged();
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}
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private class SelectedFilesAdapter extends BaseAdapter {
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@Override
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public int getCount() {
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return mEncryptInterface.getInputUris().size();
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}
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@Override
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public Object getItem(int position) {
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return mEncryptInterface.getInputUris().get(position);
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}
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@Override
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public long getItemId(int position) {
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return getItem(position).hashCode();
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}
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@Override
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public View getView(final int position, View convertView, ViewGroup parent) {
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Uri inputUri = mEncryptInterface.getInputUris().get(position);
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View view;
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if (convertView == null) {
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view = getActivity().getLayoutInflater().inflate(R.layout.file_list_entry, null);
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} else {
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view = convertView;
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}
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((TextView) view.findViewById(R.id.filename)).setText(FileHelper.getFilename(getActivity(), inputUri));
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long size = FileHelper.getFileSize(getActivity(), inputUri);
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if (size == -1) {
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((TextView) view.findViewById(R.id.filesize)).setText("");
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} else {
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((TextView) view.findViewById(R.id.filesize)).setText(FileHelper.readableFileSize(size));
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}
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view.findViewById(R.id.action_remove_file_from_list).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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delInputUri(position);
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}
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});
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int px = OtherHelper.dpToPx(getActivity(), 48);
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if (!thumbnailCache.containsKey(inputUri)) {
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thumbnailCache.put(inputUri, FileHelper.getThumbnail(getActivity(), inputUri, new Point(px, px)));
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}
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Bitmap bitmap = thumbnailCache.get(inputUri);
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if (bitmap != null) {
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((ImageView) view.findViewById(R.id.thumbnail)).setImageBitmap(bitmap);
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} else {
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((ImageView) view.findViewById(R.id.thumbnail)).setImageResource(R.drawable.ic_doc_generic_am);
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}
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return view;
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}
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}
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}
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