465 lines
17 KiB
Java
465 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 java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.Locale;
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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.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.content.res.Configuration;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.Message;
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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.widget.TextView;
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import android.widget.Toast;
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public class BaseActivity extends Activity
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implements Runnable, ProgressDialogUpdater,
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AskForSecretKeyPassPhrase.PassPhraseCallbackInterface {
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private ProgressDialog mProgressDialog = null;
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private PausableThread mRunningThread = null;
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private Thread mDeletingThread = null;
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private long mSecretKeyId = 0;
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private String mDeleteFile = null;
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protected Preferences mPreferences;
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private Handler mHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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handlerCallback(msg);
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mPreferences = Preferences.getPreferences(this);
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setLanguage(this, mPreferences.getLanguage());
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Apg.initialize(this);
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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File dir = new File(Constants.path.app_dir);
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if (!dir.exists() && !dir.mkdirs()) {
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// ignore this for now, it's not crucial
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// that the directory doesn't exist at this point
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}
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}
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startCacheService(this, mPreferences);
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}
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public static void startCacheService(Activity activity, Preferences preferences) {
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Intent intent = new Intent(activity, Service.class);
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intent.putExtra(Service.EXTRA_TTL, preferences.getPassPhraseCacheTtl());
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activity.startService(intent);
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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, Id.menu.option.preferences, 0, R.string.menu_preferences)
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.setIcon(android.R.drawable.ic_menu_preferences);
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menu.add(0, Id.menu.option.about, 1, 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 Id.menu.option.about: {
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showDialog(Id.dialog.about);
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return true;
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}
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case Id.menu.option.preferences: {
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startActivity(new Intent(this, PreferencesActivity.class));
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return true;
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}
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case Id.menu.option.search: {
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startSearch("", false, null, false);
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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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protected Dialog onCreateDialog(int id) {
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// in case it is a progress dialog
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mProgressDialog = new ProgressDialog(this);
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mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
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mProgressDialog.setCancelable(false);
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switch (id) {
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case Id.dialog.encrypting: {
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mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
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return mProgressDialog;
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}
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case Id.dialog.decrypting: {
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mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
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return mProgressDialog;
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}
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case Id.dialog.saving: {
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mProgressDialog.setMessage(this.getString(R.string.progress_saving));
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return mProgressDialog;
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}
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case Id.dialog.importing: {
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mProgressDialog.setMessage(this.getString(R.string.progress_importing));
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return mProgressDialog;
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}
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case Id.dialog.exporting: {
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mProgressDialog.setMessage(this.getString(R.string.progress_exporting));
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return mProgressDialog;
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}
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case Id.dialog.deleting: {
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mProgressDialog.setMessage(this.getString(R.string.progress_initializing));
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return mProgressDialog;
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}
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case Id.dialog.querying: {
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mProgressDialog.setMessage(this.getString(R.string.progress_querying));
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mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
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mProgressDialog.setCancelable(false);
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return mProgressDialog;
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}
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case Id.dialog.signing: {
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mProgressDialog.setMessage(this.getString(R.string.progress_signing));
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mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
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mProgressDialog.setCancelable(false);
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return mProgressDialog;
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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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mProgressDialog = null;
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switch (id) {
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case Id.dialog.about: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setTitle("About " + Apg.getFullVersion(this));
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LayoutInflater inflater =
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(LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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View layout = inflater.inflate(R.layout.info, null);
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TextView message = (TextView) layout.findViewById(R.id.message);
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message.setText("This is an attempt to bring OpenPGP to Android. " +
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"It is far from complete, but more features are planned (see website).\n\n" +
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"Feel free to send bug reports, suggestions, feature requests, feedback, " +
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"photographs.\n\n" +
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"mail: thi@thialfihar.org\n" +
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"site: http://apg.thialfihar.org\n\n" +
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"This software is provided \"as is\", without warranty of any kind.");
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alert.setView(layout);
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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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BaseActivity.this.removeDialog(Id.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 Id.dialog.pass_phrase: {
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return AskForSecretKeyPassPhrase.createDialog(this, getSecretKeyId(), this);
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}
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case Id.dialog.pass_phrases_do_not_match: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setIcon(android.R.drawable.ic_dialog_alert);
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alert.setTitle(R.string.error);
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alert.setMessage(R.string.passPhrasesDoNotMatch);
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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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removeDialog(Id.dialog.pass_phrases_do_not_match);
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}
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});
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alert.setCancelable(false);
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return alert.create();
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}
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case Id.dialog.no_pass_phrase: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setIcon(android.R.drawable.ic_dialog_alert);
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alert.setTitle(R.string.error);
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alert.setMessage(R.string.passPhraseMustNotBeEmpty);
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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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removeDialog(Id.dialog.no_pass_phrase);
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}
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});
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alert.setCancelable(false);
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return alert.create();
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}
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case Id.dialog.delete_file: {
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AlertDialog.Builder alert = new AlertDialog.Builder(this);
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alert.setIcon(android.R.drawable.ic_dialog_alert);
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alert.setTitle(R.string.warning);
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alert.setMessage(this.getString(R.string.fileDeleteConfirmation, getDeleteFile()));
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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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removeDialog(Id.dialog.delete_file);
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final File file = new File(getDeleteFile());
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showDialog(Id.dialog.deleting);
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mDeletingThread = new Thread(new Runnable() {
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public void run() {
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Bundle data = new Bundle();
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data.putInt(Constants.extras.status, Id.message.delete_done);
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try {
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Apg.deleteFileSecurely(BaseActivity.this, file, BaseActivity.this);
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} catch (FileNotFoundException e) {
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data.putString(Apg.EXTRA_ERROR,
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BaseActivity.this.getString(
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R.string.error_fileNotFound, file));
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} catch (IOException e) {
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data.putString(Apg.EXTRA_ERROR,
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BaseActivity.this.getString(
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R.string.error_fileDeleteFailed, file));
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}
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Message msg = new Message();
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msg.setData(data);
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sendMessage(msg);
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}
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});
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mDeletingThread.start();
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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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removeDialog(Id.dialog.delete_file);
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}
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});
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alert.setCancelable(true);
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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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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch (requestCode) {
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case Id.request.secret_keys: {
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if (resultCode == RESULT_OK) {
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Bundle bundle = data.getExtras();
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setSecretKeyId(bundle.getLong(Apg.EXTRA_KEY_ID));
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} else {
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setSecretKeyId(Id.key.none);
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}
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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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super.onActivityResult(requestCode, resultCode, data);
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}
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public void setProgress(int resourceId, int progress, int max) {
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setProgress(getString(resourceId), progress, max);
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}
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public void setProgress(int progress, int max) {
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Message msg = new Message();
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Bundle data = new Bundle();
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data.putInt(Constants.extras.status, Id.message.progress_update);
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data.putInt(Constants.extras.progress, progress);
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data.putInt(Constants.extras.progress_max, max);
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msg.setData(data);
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mHandler.sendMessage(msg);
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}
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public void setProgress(String message, int progress, int max) {
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Message msg = new Message();
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Bundle data = new Bundle();
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data.putInt(Constants.extras.status, Id.message.progress_update);
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data.putString(Constants.extras.message, message);
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data.putInt(Constants.extras.progress, progress);
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data.putInt(Constants.extras.progress_max, max);
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msg.setData(data);
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mHandler.sendMessage(msg);
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}
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public void handlerCallback(Message msg) {
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Bundle data = msg.getData();
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if (data == null) {
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return;
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}
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int type = data.getInt(Constants.extras.status);
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switch (type) {
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case Id.message.progress_update: {
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String message = data.getString(Constants.extras.message);
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if (mProgressDialog != null) {
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if (message != null) {
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mProgressDialog.setMessage(message);
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}
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mProgressDialog.setMax(data.getInt(Constants.extras.progress_max));
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mProgressDialog.setProgress(data.getInt(Constants.extras.progress));
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}
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break;
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}
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case Id.message.delete_done: {
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mProgressDialog = null;
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deleteDoneCallback(msg);
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break;
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}
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case Id.message.import_done: // intentionally no break
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case Id.message.export_done: // intentionally no break
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case Id.message.query_done: // intentionally no break
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case Id.message.done: {
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mProgressDialog = null;
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doneCallback(msg);
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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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public void doneCallback(Message msg) {
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}
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public void deleteDoneCallback(Message msg) {
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removeDialog(Id.dialog.deleting);
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mDeletingThread = null;
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Bundle data = msg.getData();
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String error = data.getString(Apg.EXTRA_ERROR);
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String message;
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if (error != null) {
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message = getString(R.string.errorMessage, error);
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} else {
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message = getString(R.string.fileDeleteSuccessful);
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}
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Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
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}
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public void passPhraseCallback(long keyId, String passPhrase) {
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Apg.setCachedPassPhrase(keyId, passPhrase);
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}
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public void sendMessage(Message msg) {
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mHandler.sendMessage(msg);
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}
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public PausableThread getRunningThread() {
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return mRunningThread;
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}
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public void startThread() {
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mRunningThread = new PausableThread(this);
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mRunningThread.start();
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}
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public void run() {
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}
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public void setSecretKeyId(long id) {
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mSecretKeyId = id;
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}
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public long getSecretKeyId() {
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return mSecretKeyId;
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}
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protected void setDeleteFile(String deleteFile) {
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mDeleteFile = deleteFile;
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}
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protected String getDeleteFile() {
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return mDeleteFile;
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}
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public static void setLanguage(Context context, String language)
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{
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Locale locale;
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if (language == null || language.equals(""))
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{
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locale = Locale.getDefault();
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}
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else
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{
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locale = new Locale(language);
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}
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Configuration config = new Configuration();
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config.locale = locale;
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context.getResources().updateConfiguration(config,
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context.getResources().getDisplayMetrics());
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}
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}
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