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package org.sufficientlysecure.keychain.ui;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.support.v4.app.Fragment;
import org.sufficientlysecure.keychain.operations.results.CertifyResult;
import org.sufficientlysecure.keychain.operations.results.InputPendingResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler.MessageStatus;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
public abstract class CryptoOperationFragment extends Fragment {
public static final int REQUEST_CODE_PASSPHRASE = 0x00008001;
public static final int REQUEST_CODE_NFC = 0x00008002;
private void initiateInputActivity(RequiredInputParcel requiredInput) {
switch (requiredInput.mType) {
case NFC_DECRYPT:
case NFC_SIGN: {
Intent intent = new Intent(getActivity(), NfcOperationActivity.class);
intent.putExtra(NfcOperationActivity.EXTRA_REQUIRED_INPUT, requiredInput);
startActivityForResult(intent, REQUEST_CODE_NFC);
return;
}
case PASSPHRASE: {
Intent intent = new Intent(getActivity(), PassphraseDialogActivity.class);
intent.putExtra(PassphraseDialogActivity.EXTRA_REQUIRED_INPUT, requiredInput);
startActivityForResult(intent, REQUEST_CODE_PASSPHRASE);
return;
}
}
throw new RuntimeException("Unhandled pending result!");
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CODE_PASSPHRASE: {
if (resultCode == Activity.RESULT_OK && data != null) {
CryptoInputParcel cryptoInput =
data.getParcelableExtra(PassphraseDialogActivity.RESULT_DATA);
cryptoOperation(cryptoInput);
}
return;
}
case REQUEST_CODE_NFC: {
if (resultCode == Activity.RESULT_OK && data != null) {
CryptoInputParcel cryptoInput =
data.getParcelableExtra(NfcOperationActivity.RESULT_DATA);
cryptoOperation(cryptoInput);
return;
}
break;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
public boolean handlePendingMessage(Message message) {
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
Bundle data = message.getData();
OperationResult result = data.getParcelable(CertifyResult.EXTRA_RESULT);
if (result == null || ! (result instanceof InputPendingResult)) {
return false;
}
InputPendingResult pendingResult = (InputPendingResult) result;
if (pendingResult.isPending()) {
RequiredInputParcel requiredInput = pendingResult.getRequiredInputParcel();
initiateInputActivity(requiredInput);
return true;
}
}
return false;
}
protected abstract void cryptoOperation(CryptoInputParcel cryptoInput);
}
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