325 lines
11 KiB
Java
325 lines
11 KiB
Java
/*
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* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.thialfihar.android.apg.ui.widget;
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import org.spongycastle.openpgp.PGPSecretKey;
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import org.spongycastle.openpgp.PGPSecretKeyRing;
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import org.thialfihar.android.apg.Apg;
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import org.thialfihar.android.apg.Id;
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import org.thialfihar.android.apg.service.ApgHandler;
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import org.thialfihar.android.apg.service.ApgService;
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import org.thialfihar.android.apg.ui.ProgressDialogFragment;
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import org.thialfihar.android.apg.ui.widget.Editor.EditorListener;
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import org.thialfihar.android.apg.util.Choice;
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import org.thialfihar.android.apg.util.Utils;
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import org.thialfihar.android.apg.R;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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import android.app.AlertDialog;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.util.AttributeSet;
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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 android.widget.ArrayAdapter;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import java.util.Iterator;
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import java.util.Vector;
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public class SectionView extends LinearLayout implements OnClickListener, EditorListener {
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private LayoutInflater mInflater;
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private View mAdd;
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private ViewGroup mEditors;
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private TextView mTitle;
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private int mType = 0;
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private Choice mNewKeyAlgorithmChoice;
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private int mNewKeySize;
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private SherlockFragmentActivity mActivity;
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private ProgressDialogFragment mGeneratingDialog;
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public SectionView(Context context) {
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super(context);
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mActivity = (SherlockFragmentActivity) context;
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}
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public SectionView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mActivity = (SherlockFragmentActivity) context;
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}
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public ViewGroup getEditors() {
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return mEditors;
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}
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public void setType(int type) {
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mType = type;
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switch (type) {
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case Id.type.user_id: {
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mTitle.setText(R.string.section_userIds);
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break;
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}
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case Id.type.key: {
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mTitle.setText(R.string.section_keys);
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break;
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}
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default: {
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break;
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}
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}
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}
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/** {@inheritDoc} */
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@Override
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protected void onFinishInflate() {
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mInflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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setDrawingCacheEnabled(true);
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setAlwaysDrawnWithCacheEnabled(true);
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mAdd = findViewById(R.id.header);
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mAdd.setOnClickListener(this);
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mEditors = (ViewGroup) findViewById(R.id.editors);
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mTitle = (TextView) findViewById(R.id.title);
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updateEditorsVisible();
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super.onFinishInflate();
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}
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/** {@inheritDoc} */
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public void onDeleted(Editor editor) {
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this.updateEditorsVisible();
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}
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protected void updateEditorsVisible() {
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final boolean hasChildren = mEditors.getChildCount() > 0;
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mEditors.setVisibility(hasChildren ? View.VISIBLE : View.GONE);
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}
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/** {@inheritDoc} */
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public void onClick(View v) {
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switch (mType) {
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case Id.type.user_id: {
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UserIdEditor view = (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item,
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mEditors, false);
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view.setEditorListener(this);
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if (mEditors.getChildCount() == 0) {
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view.setIsMainUserId(true);
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}
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mEditors.addView(view);
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break;
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}
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case Id.type.key: {
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AlertDialog.Builder dialog = new AlertDialog.Builder(getContext());
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View view = mInflater.inflate(R.layout.create_key, null);
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dialog.setView(view);
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dialog.setTitle(R.string.title_createKey);
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boolean wouldBeMasterKey = (mEditors.getChildCount() == 0);
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final Spinner algorithm = (Spinner) view.findViewById(R.id.create_key_algorithm);
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Vector<Choice> choices = new Vector<Choice>();
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choices.add(new Choice(Id.choice.algorithm.dsa, getResources().getString(R.string.dsa)));
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if (!wouldBeMasterKey) {
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choices.add(new Choice(Id.choice.algorithm.elgamal, getResources().getString(
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R.string.elgamal)));
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}
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choices.add(new Choice(Id.choice.algorithm.rsa, getResources().getString(R.string.rsa)));
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ArrayAdapter<Choice> adapter = new ArrayAdapter<Choice>(getContext(),
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android.R.layout.simple_spinner_item, choices);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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algorithm.setAdapter(adapter);
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// make RSA the default
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for (int i = 0; i < choices.size(); ++i) {
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if (choices.get(i).getId() == Id.choice.algorithm.rsa) {
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algorithm.setSelection(i);
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break;
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}
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}
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final EditText keySize = (EditText) view.findViewById(R.id.create_key_size);
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dialog.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface di, int id) {
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di.dismiss();
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try {
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mNewKeySize = Integer.parseInt("" + keySize.getText());
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} catch (NumberFormatException e) {
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mNewKeySize = 0;
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}
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mNewKeyAlgorithmChoice = (Choice) algorithm.getSelectedItem();
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createKey();
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}
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});
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dialog.setCancelable(true);
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dialog.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface di, int id) {
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di.dismiss();
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}
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});
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dialog.create().show();
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break;
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}
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default: {
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break;
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}
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}
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this.updateEditorsVisible();
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}
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public void setUserIds(Vector<String> list) {
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if (mType != Id.type.user_id) {
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return;
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}
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mEditors.removeAllViews();
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for (String userId : list) {
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UserIdEditor view = (UserIdEditor) mInflater.inflate(R.layout.edit_key_user_id_item,
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mEditors, false);
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view.setEditorListener(this);
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view.setValue(userId);
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if (mEditors.getChildCount() == 0) {
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view.setIsMainUserId(true);
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}
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mEditors.addView(view);
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}
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this.updateEditorsVisible();
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}
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public void setKeys(Vector<PGPSecretKey> list, Vector<Integer> usages) {
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if (mType != Id.type.key) {
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return;
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}
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mEditors.removeAllViews();
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// go through all keys and set view based on them
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for (int i = 0; i < list.size(); i++) {
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KeyEditor view = (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item, mEditors,
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false);
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view.setEditorListener(this);
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boolean isMasterKey = (mEditors.getChildCount() == 0);
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view.setValue(list.get(i), isMasterKey, usages.get(i));
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mEditors.addView(view);
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}
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this.updateEditorsVisible();
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}
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private void createKey() {
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// Send all information needed to service to edit key in other thread
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Intent intent = new Intent(mActivity, ApgService.class);
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intent.putExtra(ApgService.EXTRA_ACTION, ApgService.ACTION_GENERATE_KEY);
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// fill values for this action
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Bundle data = new Bundle();
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String passPhrase;
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if (mEditors.getChildCount() > 0) {
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PGPSecretKey masterKey = ((KeyEditor) mEditors.getChildAt(0)).getValue();
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passPhrase = Apg.getCachedPassPhrase(masterKey.getKeyID());
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data.putByteArray(ApgService.MASTER_KEY, Utils.PGPSecretKeyToBytes(masterKey));
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} else {
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passPhrase = "";
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}
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data.putString(ApgService.PASSPHRASE, passPhrase);
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data.putInt(ApgService.ALGORITHM, mNewKeyAlgorithmChoice.getId());
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data.putInt(ApgService.KEY_SIZE, mNewKeySize);
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intent.putExtra(ApgService.EXTRA_DATA, data);
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// show progress dialog
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mGeneratingDialog = ProgressDialogFragment.newInstance(R.string.progress_generating,
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ProgressDialog.STYLE_SPINNER);
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// Message is received after generating is done in ApgService
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ApgHandler saveHandler = new ApgHandler(mActivity, mGeneratingDialog) {
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public void handleMessage(Message message) {
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// handle messages by standard ApgHandler first
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super.handleMessage(message);
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if (message.arg1 == ApgHandler.MESSAGE_OKAY) {
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// get new key from data bundle returned from service
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Bundle data = message.getData();
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PGPSecretKeyRing newKeyRing = Utils.BytesToPGPSecretKeyRing(data
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.getByteArray(ApgService.RESULT_NEW_KEY));
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boolean isMasterKey = (mEditors.getChildCount() == 0);
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// take only the key from this ring
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PGPSecretKey newKey = null;
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Iterator<PGPSecretKey> it = newKeyRing.getSecretKeys();
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if (isMasterKey) {
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newKey = it.next();
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} else {
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// first one is the master key
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it.next();
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newKey = it.next();
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}
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// add view with new key
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KeyEditor view = (KeyEditor) mInflater.inflate(R.layout.edit_key_key_item,
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mEditors, false);
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view.setEditorListener(SectionView.this);
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view.setValue(newKey, isMasterKey, -1);
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mEditors.addView(view);
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SectionView.this.updateEditorsVisible();
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}
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};
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(ApgService.EXTRA_MESSENGER, messenger);
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mGeneratingDialog.show(mActivity.getSupportFragmentManager(), "dialog");
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// start service with intent
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mActivity.startService(intent);
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}
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}
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