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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* 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.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.widget.CardView;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.ImageView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.ui.util.Notify.Style;
import org.sufficientlysecure.keychain.ui.util.QrCodeUtils;
import org.sufficientlysecure.keychain.util.Log;
public class QrCodeViewActivity extends BaseActivity {
private ImageView mQrCode;
private CardView mQrCodeLayout;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Inflate a "Done" custom action bar
setFullScreenDialogClose(
new View.OnClickListener() {
@Override
public void onClick(View v) {
// "Done"
ActivityCompat.finishAfterTransition(QrCodeViewActivity.this);
}
}
);
Uri dataUri = getIntent().getData();
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
ActivityCompat.finishAfterTransition(QrCodeViewActivity.this);
return;
}
mQrCode = (ImageView) findViewById(R.id.qr_code_image);
mQrCodeLayout = (CardView) findViewById(R.id.qr_code_image_layout);
mQrCodeLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ActivityCompat.finishAfterTransition(QrCodeViewActivity.this);
}
});
ProviderHelper providerHelper = new ProviderHelper(this);
try {
byte[] blob = (byte[]) providerHelper.getGenericData(
KeychainContract.KeyRings.buildUnifiedKeyRingUri(dataUri),
KeychainContract.KeyRings.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB);
if (blob == null) {
Log.e(Constants.TAG, "key not found!");
Notify.create(this, R.string.error_key_not_found, Style.ERROR).show();
ActivityCompat.finishAfterTransition(QrCodeViewActivity.this);
}
Uri uri = new Uri.Builder()
.scheme(Constants.FINGERPRINT_SCHEME)
.opaquePart(KeyFormattingUtils.convertFingerprintToHex(blob))
.build();
// create a minimal size qr code, we can keep this in ram no problem
final Bitmap qrCode = QrCodeUtils.getQRCodeBitmap(uri, 0);
mQrCode.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
// create actual bitmap in display dimensions
Bitmap scaled = Bitmap.createScaledBitmap(qrCode,
mQrCode.getWidth(), mQrCode.getWidth(), false);
mQrCode.setImageBitmap(scaled);
}
});
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
Notify.create(this, R.string.error_key_not_found, Style.ERROR).show();
ActivityCompat.finishAfterTransition(QrCodeViewActivity.this);
}
}
@Override
protected void initLayout() {
setContentView(R.layout.qr_code_activity);
}
}
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