Class ActivitySignature

app/src/main/java/eu/faircode/email/ActivitySignature.java:68–557

import java.util.Objects;

public class ActivitySignature extends ActivityBase {
    private ViewGroup view;
    private TextView tvHtmlRemark;
    private EditTextCompose etText;
    private ImageButton ibFull;
    private HorizontalScrollView style_bar;
    private BottomNavigationView bottom_navigation;

    private boolean loaded = false;
    private boolean dirty = false;
    private String saved = null;

    private static final int REQUEST_IMAGE = 1;
    private static final int REQUEST_FILE = 2;
    private static final int REQUEST_LINK = 3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        boolean monospaced = prefs.getBoolean("monospaced", false);

        LayoutInflater inflater = LayoutInflater.from(this);
        view = (ViewGroup) inflater.inflate(R.layout.activity_signature, null, false);
        setContentView(view);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setSubtitle(getString(R.string.title_edit_signature));

        tvHtmlRemark = findViewById(R.id.tvHtmlRemark);
        etText = findViewById(R.id.etText);
        ibFull = findViewById(R.id.ibFull);
        style_bar = findViewById(R.id.style_bar);
        bottom_navigation = findViewById(R.id.bottom_navigation);

        etText.setTypeface(monospaced ? StyleHelper.getTypeface("monospace", this) : Typeface.DEFAULT);

        etText.setSelectionListener(new EditTextCompose.ISelection() {
            @Override
            public void onSelected(boolean selection) {
                style_bar.setVisibility(selection && !etText.isRaw() ? View.VISIBLE : View.GONE);
            }
        });

        etText.addTextChangedListener(StyleHelper.getTextWatcher(etText));

        etText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                // Do nothing
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (loaded &&
                        !(start == 0 && before == s.length() && count == s.length())) {
                    dirty = true;