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package org.wordpress.android.util;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.text.Spannable;
import android.text.TextUtils;
import android.text.method.LinkMovementMethod;
import android.text.style.URLSpan;
import android.view.MotionEvent;
import android.widget.TextView;
import org.wordpress.android.R;
/**
* Android's LinkMovementMethod crashes on malformed links, including links that have no
* protocol (ex: "example.com" instead of "http://example.com"). This class extends
* LinkMovementMethod to catch and ignore the exception.
*/
public class WPLinkMovementMethod extends LinkMovementMethod {
protected static WPLinkMovementMethod mMovementMethod;
public static WPLinkMovementMethod getInstance() {
if (mMovementMethod == null)
mMovementMethod = new WPLinkMovementMethod();
return mMovementMethod;
}
@Override
public boolean onTouchEvent(TextView textView, Spannable buffer, MotionEvent event) {
try {
return super.onTouchEvent(textView, buffer, event) ;
} catch (ActivityNotFoundException e) {
AppLog.e(AppLog.T.UTILS, e);
// attempt to correct the tapped url then launch the intent to display it
showTappedUrl(textView.getContext(), fixTappedUrl(buffer));
return true;
}
}
private static String fixTappedUrl(Spannable buffer) {
if (buffer == null)
return null;
URLSpan urlSpans[] = buffer.getSpans(0, buffer.length(), URLSpan.class);
if (urlSpans.length == 0)
return null;
// note that there will be only one URLSpan (the one that was tapped)
String url = StringUtils.notNullStr(urlSpans[0].getURL());
if (Uri.parse(url).getScheme() == null)
return "http://" + url.trim();
return url.trim();
}
private static void showTappedUrl(Context context, String url) {
if (context == null || TextUtils.isEmpty(url))
return;
try {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
String readerToastUrlErrorIntent = context.getString(R.string.reader_toast_err_url_intent);
ToastUtils.showToast(context, String.format(readerToastUrlErrorIntent, url), ToastUtils.Duration.LONG);
}
}
}
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