391 lines
17 KiB
Java
391 lines
17 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;
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import org.thialfihar.android.apg.provider.Accounts;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.ContentValues;
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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.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.SQLException;
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import android.net.Uri;
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import android.os.Bundle;
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import android.text.SpannableString;
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import android.text.method.LinkMovementMethod;
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import android.text.util.Linkify;
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import android.view.ContextMenu;
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import android.view.LayoutInflater;
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import android.view.Menu;
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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.view.ContextMenu.ContextMenuInfo;
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import android.view.View.OnClickListener;
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import android.widget.AdapterView;
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import android.widget.Button;
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import android.widget.CursorAdapter;
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import android.widget.EditText;
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import android.widget.ListView;
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import android.widget.ScrollView;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.widget.AdapterView.OnItemClickListener;
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public class MainActivity extends Activity {
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private static final int DIALOG_NEW_ACCOUNT = 1;
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private static final int DIALOG_ABOUT = 2;
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private static final int DIALOG_CHANGE_LOG = 3;
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private static final int OPTION_MENU_ADD_ACCOUNT = 1;
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private static final int OPTION_MENU_ABOUT = 2;
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private static final int OPTION_MENU_MANAGE_PUBLIC_KEYS = 3;
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private static final int OPTION_MENU_MANAGE_SECRET_KEYS = 4;
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private static final int MENU_DELETE_ACCOUNT = 1;
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private static String PREF_SEEN_CHANGE_LOG = "seenChangeLogDialog" + Apg.VERSION;
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private ListView mAccounts = null;
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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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setContentView(R.layout.main);
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Button encryptMessageButton = (Button) findViewById(R.id.btn_encryptMessage);
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Button decryptMessageButton = (Button) findViewById(R.id.btn_decryptMessage);
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mAccounts = (ListView) findViewById(R.id.account_list);
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encryptMessageButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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startEncryptMessageActivity();
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}
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});
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decryptMessageButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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startDecryptMessageActivity();
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}
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});
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Cursor accountCursor = managedQuery(Accounts.CONTENT_URI, null, null, null, null);
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mAccounts.setAdapter(new AccountListAdapter(this, accountCursor));
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mAccounts.setOnItemClickListener(new OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> arg0, View view, int index, long id) {
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Cursor cursor =
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managedQuery(Uri.withAppendedPath(Accounts.CONTENT_URI, "" + id), null,
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null, null, null);
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if (cursor != null && cursor.getCount() > 0) {
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cursor.moveToFirst();
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int nameIndex = cursor.getColumnIndex(Accounts.NAME);
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String accountName = cursor.getString(nameIndex);
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startMailListActivity(accountName);
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}
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}
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});
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registerForContextMenu(mAccounts);
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SharedPreferences prefs = getPreferences(MODE_PRIVATE);
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if (!prefs.getBoolean(PREF_SEEN_CHANGE_LOG, false)) {
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showDialog(DIALOG_CHANGE_LOG);
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}
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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switch (id) {
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case DIALOG_NEW_ACCOUNT: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setTitle("Add Account");
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alert.setMessage("Specify the Google Mail account you want to add.");
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final EditText input = new EditText(this);
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alert.setView(input);
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alert.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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MainActivity.this.removeDialog(DIALOG_NEW_ACCOUNT);
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String accountName = "" + input.getText();
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Cursor testCursor =
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managedQuery(Uri.parse("content://gmail-ls/conversations/" +
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accountName),
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null, null, null, null);
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if (testCursor == null) {
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Toast.makeText(MainActivity.this,
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"Error: account '" + accountName +
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"' not found",
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Toast.LENGTH_SHORT).show();
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return;
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}
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ContentValues values = new ContentValues();
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values.put(Accounts.NAME, accountName);
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try {
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MainActivity.this.getContentResolver()
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.insert(Accounts.CONTENT_URI,
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values);
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} catch (SQLException e) {
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Toast.makeText(MainActivity.this,
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"Error: failed to add account '" +
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accountName + "'",
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Toast.LENGTH_SHORT).show();
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}
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}
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});
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alert.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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MainActivity.this.removeDialog(DIALOG_NEW_ACCOUNT);
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}
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});
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return alert.create();
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}
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case DIALOG_ABOUT: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setTitle("About " + Apg.FULL_VERSION);
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ScrollView scrollView = new ScrollView(this);
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TextView message = new TextView(this);
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SpannableString info =
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new SpannableString("This is an attempt to bring OpenPGP to Android. " +
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"It is far from complete, but more features are " +
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"planned (see website).\n" +
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"\n" +
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"Feel free to send bug reports, suggestions, feature " +
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"requests, feedback, photographs.\n" +
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"\n" +
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"mail: thi@thialfihar.org\n" +
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"site: http://apg.thialfihar.org\n" +
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"\n" +
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"This software is provided \"as is\", without " +
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"warranty of any kind.");
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Linkify.addLinks(info, Linkify.WEB_URLS | Linkify.EMAIL_ADDRESSES);
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message.setMovementMethod(LinkMovementMethod.getInstance());
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message.setText(info);
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// 5dip padding
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int padding = (int) (10 * getResources().getDisplayMetrics().densityDpi / 160);
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message.setPadding(padding, padding, padding, padding);
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message.setTextAppearance(this, android.R.style.TextAppearance_Medium);
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scrollView.addView(message);
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alert.setView(scrollView);
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alert.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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MainActivity.this.removeDialog(DIALOG_ABOUT);
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}
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});
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return alert.create();
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}
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case DIALOG_CHANGE_LOG: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setTitle("Changes " + Apg.FULL_VERSION);
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ScrollView scrollView = new ScrollView(this);
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TextView message = new TextView(this);
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SpannableString info =
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new SpannableString("Read the warnings!\n\n" +
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"Changes:\n" +
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" * display signed-only mails\n" +
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" * verify signed-only mails\n" +
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" * bug fixes, layout fixes\n" +
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"\n" +
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"WARNING: be careful editing your existing keys, as they " +
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"WILL be stripped of certificates right now.\n" +
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"WARNING: key creation/editing doesn't support all " +
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"GPG features yet. In particular: " +
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"key cross-certification is NOT supported, so signing " +
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"with those keys will get a warning when the signature is " +
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"checked.\n" +
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"\n" +
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"I hope APG continues to be useful to you, please send " +
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"bug reports, feature wishes, feedback.");
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message.setText(info);
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// 5dip padding
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int padding = (int) (10 * getResources().getDisplayMetrics().densityDpi / 160);
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message.setPadding(padding, padding, padding, padding);
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message.setTextAppearance(this, android.R.style.TextAppearance_Medium);
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scrollView.addView(message);
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alert.setView(scrollView);
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alert.setCancelable(false);
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alert.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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MainActivity.this.removeDialog(DIALOG_CHANGE_LOG);
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SharedPreferences prefs = getPreferences(MODE_PRIVATE);
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SharedPreferences.Editor editor = prefs.edit();
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editor.putBoolean(PREF_SEEN_CHANGE_LOG, true);
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editor.commit();
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}
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});
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return alert.create();
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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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return super.onCreateDialog(id);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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menu.add(0, OPTION_MENU_MANAGE_PUBLIC_KEYS, 0, R.string.menu_managePublicKeys)
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.setIcon(android.R.drawable.ic_menu_manage);
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menu.add(0, OPTION_MENU_MANAGE_SECRET_KEYS, 1, R.string.menu_manageSecretKeys)
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.setIcon(android.R.drawable.ic_menu_manage);
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menu.add(1, OPTION_MENU_ADD_ACCOUNT, 2, R.string.menu_addAccount)
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.setIcon(android.R.drawable.ic_menu_add);
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menu.add(1, OPTION_MENU_ABOUT, 3, R.string.menu_about)
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.setIcon(android.R.drawable.ic_menu_info_details);
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return true;
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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 OPTION_MENU_ADD_ACCOUNT: {
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showDialog(DIALOG_NEW_ACCOUNT);
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return true;
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}
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case OPTION_MENU_ABOUT: {
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showDialog(DIALOG_ABOUT);
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return true;
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}
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case OPTION_MENU_MANAGE_PUBLIC_KEYS: {
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startPublicKeyManager();
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return true;
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}
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case OPTION_MENU_MANAGE_SECRET_KEYS: {
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startSecretKeyManager();
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return true;
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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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return false;
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
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super.onCreateContextMenu(menu, v, menuInfo);
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TextView nameTextView = (TextView) v.findViewById(R.id.account_name);
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if (nameTextView != null) {
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menu.setHeaderTitle(nameTextView.getText());
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menu.add(0, MENU_DELETE_ACCOUNT, 0, "Delete Account");
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}
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}
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@Override
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public boolean onContextItemSelected(MenuItem menuItem) {
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AdapterView.AdapterContextMenuInfo info =
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(AdapterView.AdapterContextMenuInfo) menuItem.getMenuInfo();
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switch (menuItem.getItemId()) {
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case MENU_DELETE_ACCOUNT: {
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Uri uri = Uri.withAppendedPath(Accounts.CONTENT_URI, "" + info.id);
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this.getContentResolver().delete(uri, null, null);
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return true;
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}
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default: {
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return super.onContextItemSelected(menuItem);
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}
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}
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}
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public void startPublicKeyManager() {
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startActivity(new Intent(this, PublicKeyListActivity.class));
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}
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public void startSecretKeyManager() {
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startActivity(new Intent(this, SecretKeyListActivity.class));
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//startActivity(new Intent(this, EditKeyActivity.class));
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}
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public void startEncryptMessageActivity() {
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startActivity(new Intent(this, EncryptMessageActivity.class));
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}
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public void startDecryptMessageActivity() {
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startActivity(new Intent(this, DecryptMessageActivity.class));
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}
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public void startMailListActivity(String account) {
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startActivity(new Intent(this, MailListActivity.class).putExtra("account", account));
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}
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private static class AccountListAdapter extends CursorAdapter {
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private LayoutInflater minflater;
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public AccountListAdapter(Context context, Cursor cursor) {
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super(context, cursor);
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minflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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@Override
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public int getCount() {
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return super.getCount();
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}
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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return minflater.inflate(R.layout.account_item, null);
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}
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@Override
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public void bindView(View view, Context context, Cursor cursor) {
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TextView nameTextView = (TextView) view.findViewById(R.id.account_name);
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int nameIndex = cursor.getColumnIndex(Accounts.NAME);
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final String account = cursor.getString(nameIndex);
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nameTextView.setText(account);
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}
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@Override
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public boolean isEnabled(int position) {
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return true;
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}
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}
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} |