FairEmail/app/src/main/java/eu/faircode/email/FragmentDialogEx.java

package eu.faircode.email;

import android.content.DialogInterface;
import android.content.Intent;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;

import static android.app.Activity.RESULT_CANCELED;

public class FragmentDialogEx extends DialogFragment {
    private boolean once = false;

    @Override
    public void onStart() {
        try {
            super.onStart();
        } catch (Throwable ex) {
            Log.e(ex);
        }
    }

    @Override
    public void show(@NonNull FragmentManager manager, @Nullable String tag) {
        try {
            super.show(manager, tag);
        } catch (IllegalStateException ex) {
            // Can not perform this action after onSaveInstanceState
            // Should not happen, but still happened in AdapterMessage.onOpenLink
            Log.w(ex);
        }
    }

    @Override
    public void onDismiss(@NonNull DialogInterface dialog) {
        sendResult(RESULT_CANCELED);
        super.onDismiss(dialog);
    }

    protected void sendResult(int result) {
        if (!once) {
            once = true;
            Fragment target = getTargetFragment();
            Log.i("Dialog target=" + target + " result=" + result);
            if (target != null) {
                Intent data = new Intent();
                data.putExtra("args", getArguments());
                target.onActivityResult(getTargetRequestCode(), result, data);
            }
        }
    }

    @Override
    public void startActivity(Intent intent) {
        if (Helper.hasAuthentication(getContext()))
            intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
        super.startActivity(intent);
    }

    @Override
    public void startActivityForResult(Intent intent, int requestCode) {
        if (Helper.hasAuthentication(getContext()))
            intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
        super.startActivityForResult(intent, requestCode);
    }
}