/*
* Copyright 2012 The Stanford MobiSocial Laboratory
* Copyright 2010 ZXing Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mobisocial.musubi.social;
import java.util.List;
import mobisocial.crypto.IBHashedIdentity.Authority;
import mobisocial.metrics.MusubiMetrics;
import mobisocial.metrics.UsageMetrics;
import mobisocial.musubi.App;
import mobisocial.musubi.R;
import mobisocial.musubi.model.MDevice;
import mobisocial.musubi.model.MIdentity;
import mobisocial.musubi.model.helpers.IdentitiesManager;
import mobisocial.musubi.ui.EmailInviteActivity;
import mobisocial.musubi.ui.util.UiUtil;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.google.zxing.WriterException;
import com.google.zxing.client.android.Contents;
import com.google.zxing.client.android.FinishListener;
import com.google.zxing.client.android.Intents;
import com.google.zxing.client.android.encode.QRCodeEncoder;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
/**
* Presents a QR code allowing two devices to perform a key exchange.
*
* With code from ZXing, {@see EncodeActivity}
*/
public final class QRInviteDialog extends DialogFragment {
private static final String TAG = QRInviteDialog.class.getSimpleName();
private QRCodeEncoder qrCodeEncoder;
/**
* Create a new instance of MyDialogFragment, providing "num"
* as an argument.
*/
public static QRInviteDialog newInstance() {
QRInviteDialog f = new QRInviteDialog();
Bundle args = new Bundle();
f.setArguments(args);
return f;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.qr_invite, container, false);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
Activity context = getActivity();
getDialog().setTitle("Exchange Info");
// This assumes the view is full screen, which is a bad assumption
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
int smallerDimension = width < height ? width : height;
Uri uri = EmailInviteActivity.getInvitationUrl(context);
if (uri.getQueryParameter("n") == null) {
Toast.makeText(getActivity(), "You must set up an account and a enter a name to connect with friends.", Toast.LENGTH_LONG).show();
dismiss();
return;
}
if(uri.getQueryParameter("t") == null) {
dismiss();
Toast.makeText(getActivity(), "No identities to share", Toast.LENGTH_SHORT).show();
return;
}
Intent intent = new Intent(Intents.Encode.ACTION);
intent.setClass(getActivity(), QRInviteDialog.class);
intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
intent.putExtra(Intents.Encode.DATA, uri.toString());
try {
qrCodeEncoder = new QRCodeEncoder(context, intent, smallerDimension);
//setTitle(getString(R.string.app_name) + " - " + qrCodeEncoder.getTitle());
Bitmap bitmap = qrCodeEncoder.encodeAsBitmap();
ImageView image = (ImageView) view.findViewById(R.id.image_view);
image.setImageBitmap(bitmap);
TextView contents = (TextView) view.findViewById(R.id.contents_text_view);
contents.setText(qrCodeEncoder.getDisplayContents());
view.findViewById(R.id.ok_button).setOnClickListener(mCameraListener);
} catch (WriterException e) {
Log.e(TAG, "Could not encode barcode", e);
showErrorMessage(R.string.msg_encode_contents_failed);
qrCodeEncoder = null;
} catch (IllegalArgumentException e) {
Log.e(TAG, "Could not encode barcode", e);
showErrorMessage(R.string.msg_encode_contents_failed);
qrCodeEncoder = null;
}
}
private void showErrorMessage(int message) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setMessage(message);
builder.setPositiveButton(R.string.button_ok, new FinishListener(getActivity()));
builder.setOnCancelListener(new FinishListener(getActivity()));
builder.show();
}
private OnClickListener mCameraListener = new OnClickListener() {
@Override
public void onClick(android.view.View v) {
new UsageMetrics(getActivity()).report(MusubiMetrics.CLICKED_QR_SCAN);
IntentIntegrator.initiateScan(getActivity());
}
};
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == IntentIntegrator.REQUEST_CODE) {
if (resultCode == Activity.RESULT_OK) {
IntentResult result =
IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
try {
Uri uri = Uri.parse(result.getContents());
Intent i = new Intent(Intent.ACTION_VIEW, uri);
i.setPackage(getActivity().getPackageName());
startActivity(i);
} catch (IllegalArgumentException e) {
}
}
}
};
}