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package cgeo.geocaching.connector.gc;
import cgeo.geocaching.R;
import cgeo.geocaching.loaders.RecaptchaReceiver;
import cgeo.geocaching.network.Network;
import cgeo.geocaching.utils.Log;
import cgeo.geocaching.utils.RxUtils;
import org.apache.commons.io.IOUtils;
import rx.Observable;
import rx.functions.Action1;
import rx.functions.Func0;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import java.io.InputStream;
public class RecaptchaHandler extends Handler {
final public static int SHOW_CAPTCHA = 1;
final private Activity activity;
final private RecaptchaReceiver recaptchaReceiver;
public RecaptchaHandler(final Activity activity, final RecaptchaReceiver recaptchaReceiver) {
this.activity = activity;
this.recaptchaReceiver = recaptchaReceiver;
}
private void loadChallenge(final ImageView imageView, final View reloadButton) {
final Observable<Bitmap> captcha = Observable.defer(new Func0<Observable<? extends Bitmap>>() {
@Override
public Observable<? extends Bitmap> call() {
final String url = "http://www.google.com/recaptcha/api/image?c=" + recaptchaReceiver.getChallenge();
final InputStream is = Network.getResponseStream(Network.getRequest(url));
if (is != null) {
try {
final Bitmap img = BitmapFactory.decodeStream(is);
return Observable.from(img);
} catch (final Exception e) {
Log.e("RecaptchaHandler.getCaptcha", e);
return Observable.error(e);
} finally {
IOUtils.closeQuietly(is);
}
}
return Observable.empty();
}
});
RxUtils.subscribeOnIOThenUI(captcha, new Action1<Bitmap>() {
@Override
public void call(final Bitmap bitmap) {
imageView.setImageBitmap(bitmap);
}
}, new Action1<Throwable>() {
@Override
public void call(final Throwable throwable) {
// Do nothing
}
});
reloadButton.setEnabled(true);
}
@Override
public void handleMessage(Message msg) {
if (msg.what == SHOW_CAPTCHA) {
final AlertDialog.Builder dlg = new AlertDialog.Builder(activity);
final View view = activity.getLayoutInflater().inflate(R.layout.recaptcha_dialog, null);
final ImageView imageView = (ImageView) view.findViewById(R.id.image);
final ImageButton reloadButton = (ImageButton) view.findViewById(R.id.button_recaptcha_refresh);
reloadButton.setEnabled(false);
reloadButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
recaptchaReceiver.fetchChallenge();
loadChallenge(imageView, reloadButton);
}
});
loadChallenge(imageView, reloadButton);
dlg.setTitle(activity.getString(R.string.caches_recaptcha_title));
dlg.setView(view);
dlg.setNeutralButton(activity.getString(R.string.caches_recaptcha_continue), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
final String text = ((EditText) view.findViewById(R.id.text)).getText().toString();
recaptchaReceiver.setText(text);
dialog.cancel();
}
});
dlg.create().show();
}
}
private Observable<Bitmap> getCaptcha() {
return Observable.defer(new Func0<Observable<? extends Bitmap>>() {
@Override
public Observable<? extends Bitmap> call() {
final String url = "http://www.google.com/recaptcha/api/image?c=" + recaptchaReceiver.getChallenge();
final InputStream is = Network.getResponseStream(Network.getRequest(url));
if (is != null) {
try {
final Bitmap img = BitmapFactory.decodeStream(is);
return Observable.from(img);
} catch (final Exception e) {
Log.e("RecaptchaHandler.getCaptcha", e);
return Observable.error(e);
} finally {
IOUtils.closeQuietly(is);
}
}
return Observable.empty();
}
});
}
}
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