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/*
* Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2015 Adithya Abraham Philip <adithyaphilip@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.FragmentActivity;
import android.view.ContextThemeWrapper;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.ui.util.ThemeChanger;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.ParcelableProxy;
import org.sufficientlysecure.keychain.util.orbot.OrbotHelper;
/**
* Simply encapsulates a dialog. If orbot is not installed, it shows an install dialog, else a
* dialog to enable orbot.
*/
public class OrbotRequiredDialogActivity extends FragmentActivity
implements OrbotHelper.DialogActions {
public static final int MESSAGE_ORBOT_STARTED = 1;
public static final int MESSAGE_ORBOT_IGNORE = 2;
public static final int MESSAGE_DIALOG_CANCEL = 3;
// if suppplied and true will start Orbot directly without showing dialog
public static final String EXTRA_START_ORBOT = "start_orbot";
// used for communicating results when triggered from a service
public static final String EXTRA_MESSENGER = "messenger";
// to provide any previous crypto input into which proxy preference is merged
public static final String EXTRA_CRYPTO_INPUT = "extra_crypto_input";
public static final String RESULT_CRYPTO_INPUT = "result_crypto_input";
private CryptoInputParcel mCryptoInputParcel;
private Messenger mMessenger;
private ProgressDialog mShowOrbotProgressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mCryptoInputParcel = getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT);
if (mCryptoInputParcel == null) {
// compatibility with usages that don't use a CryptoInputParcel
mCryptoInputParcel = new CryptoInputParcel();
}
mMessenger = getIntent().getParcelableExtra(EXTRA_MESSENGER);
boolean startOrbotDirect = getIntent().getBooleanExtra(EXTRA_START_ORBOT, false);
if (startOrbotDirect) {
ContextThemeWrapper theme = ThemeChanger.getDialogThemeWrapper(this);
mShowOrbotProgressDialog = new ProgressDialog(theme);
mShowOrbotProgressDialog.setTitle(R.string.progress_starting_orbot);
mShowOrbotProgressDialog.setCancelable(false);
mShowOrbotProgressDialog.show();
OrbotHelper.bestPossibleOrbotStart(this, this, false);
} else {
showDialog();
}
}
/**
* Displays an install or start orbot dialog (or silent orbot start) depending on orbot's
* presence and state
*/
public void showDialog() {
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
if (OrbotHelper.putOrbotInRequiredState(OrbotRequiredDialogActivity.this,
OrbotRequiredDialogActivity.this)) {
// no action required after all
onOrbotStarted();
}
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case OrbotHelper.START_TOR_RESULT: {
dismissOrbotProgressDialog();
// unfortunately, this result is returned immediately and not when Orbot is started
// 10s is approximately the longest time Orbot has taken to start
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
onOrbotStarted(); // assumption that orbot was started
}
}, 10000);
}
}
}
/**
* for when Orbot is started without showing the dialog by the EXTRA_START_ORBOT intent extra
*/
private void dismissOrbotProgressDialog() {
if (mShowOrbotProgressDialog != null) {
mShowOrbotProgressDialog.dismiss();
}
}
@Override
public void onOrbotStarted() {
dismissOrbotProgressDialog();
sendMessage(MESSAGE_ORBOT_STARTED);
Intent intent = new Intent();
// send back unmodified CryptoInputParcel for a retry
intent.putExtra(RESULT_CRYPTO_INPUT, mCryptoInputParcel);
setResult(RESULT_OK, intent);
finish();
}
@Override
public void onNeutralButton() {
sendMessage(MESSAGE_ORBOT_IGNORE);
Intent intent = new Intent();
mCryptoInputParcel.addParcelableProxy(ParcelableProxy.getForNoProxy());
intent.putExtra(RESULT_CRYPTO_INPUT, mCryptoInputParcel);
setResult(RESULT_OK, intent);
finish();
}
@Override
public void onCancel() {
sendMessage(MESSAGE_DIALOG_CANCEL);
finish();
}
private void sendMessage(int what) {
if (mMessenger != null) {
Message msg = Message.obtain();
msg.what = what;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "Could not deliver message", e);
}
}
}
}
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