1package eu.siacs.conversations.ui;
  2
  3import android.content.Context;
  4import android.content.Intent;
  5import android.os.Bundle;
  6import android.text.Editable;
  7import android.text.TextWatcher;
  8import android.view.Menu;
  9import android.view.MenuItem;
 10import android.view.View;
 11import android.view.inputmethod.InputMethodManager;
 12import android.widget.EditText;
 13import android.widget.TextView;
 14
 15import androidx.appcompat.widget.Toolbar;
 16import androidx.databinding.DataBindingUtil;
 17import androidx.recyclerview.widget.LinearLayoutManager;
 18
 19import java.util.ArrayList;
 20import java.util.Collections;
 21import java.util.Iterator;
 22import java.util.List;
 23import java.util.Locale;
 24
 25import eu.siacs.conversations.R;
 26import eu.siacs.conversations.databinding.ActivityChooseCountryBinding;
 27import eu.siacs.conversations.ui.adapter.CountryAdapter;
 28import eu.siacs.conversations.utils.PhoneNumberUtilWrapper;
 29import eu.siacs.conversations.utils.ThemeHelper;
 30
 31public class ChooseCountryActivity extends ActionBarActivity implements CountryAdapter.OnCountryClicked {
 32
 33    private ActivityChooseCountryBinding binding;
 34
 35    private List<PhoneNumberUtilWrapper.Country> countries = new ArrayList<>();
 36    private CountryAdapter countryAdapter = new CountryAdapter(countries);
 37    private final TextWatcher mSearchTextWatcher = new TextWatcher() {
 38
 39        @Override
 40        public void afterTextChanged(final Editable editable) {
 41            filterCountries(editable.toString());
 42        }
 43
 44        @Override
 45        public void beforeTextChanged(final CharSequence s, final int start, final int count, final int after) {
 46        }
 47
 48        @Override
 49        public void onTextChanged(final CharSequence s, final int start, final int before, final int count) {
 50        }
 51    };
 52    private EditText mSearchEditText;
 53    private final MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 54
 55        @Override
 56        public boolean onMenuItemActionExpand(final MenuItem item) {
 57            mSearchEditText.post(() -> {
 58                mSearchEditText.requestFocus();
 59                final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 60                imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 61            });
 62
 63            return true;
 64        }
 65
 66        @Override
 67        public boolean onMenuItemActionCollapse(final MenuItem item) {
 68            final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 69            imm.hideSoftInputFromWindow(mSearchEditText.getWindowToken(), InputMethodManager.HIDE_IMPLICIT_ONLY);
 70            mSearchEditText.setText("");
 71            filterCountries(null);
 72            return true;
 73        }
 74    };
 75    private TextView.OnEditorActionListener mSearchDone = (v, actionId, event) -> {
 76        if (countries.size() == 1) {
 77            onCountryClicked(countries.get(0));
 78        }
 79        return true;
 80    };
 81
 82    @Override
 83    protected void onCreate(final Bundle savedInstanceState) {
 84        super.onCreate(savedInstanceState);
 85        setTheme(ThemeHelper.find(this));
 86        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_choose_country);
 87        setSupportActionBar((Toolbar) this.binding.toolbar);
 88        configureActionBar(getSupportActionBar());
 89        this.countries.addAll(PhoneNumberUtilWrapper.getCountries(this));
 90        Collections.sort(this.countries);
 91        this.binding.countries.setAdapter(countryAdapter);
 92        this.binding.countries.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
 93        countryAdapter.setOnCountryClicked(this);
 94        countryAdapter.notifyDataSetChanged();
 95    }
 96
 97    @Override
 98    public void onCountryClicked(PhoneNumberUtilWrapper.Country country) {
 99        Intent data = new Intent();
100        data.putExtra("region", country.getRegion());
101        setResult(RESULT_OK, data);
102        finish();
103    }
104
105    @Override
106    public boolean onCreateOptionsMenu(final Menu menu) {
107        getMenuInflater().inflate(R.menu.choose_country, menu);
108        final MenuItem menuSearchView = menu.findItem(R.id.action_search);
109        final View mSearchView = menuSearchView.getActionView();
110        mSearchEditText = mSearchView.findViewById(R.id.search_field);
111        mSearchEditText.addTextChangedListener(mSearchTextWatcher);
112        mSearchEditText.setHint(R.string.search_countries);
113        mSearchEditText.setOnEditorActionListener(mSearchDone);
114        menuSearchView.setOnActionExpandListener(mOnActionExpandListener);
115        return true;
116    }
117
118    private void filterCountries(String needle) {
119        List<PhoneNumberUtilWrapper.Country> countries = PhoneNumberUtilWrapper.getCountries(this);
120        Iterator<PhoneNumberUtilWrapper.Country> iterator = countries.iterator();
121        while (iterator.hasNext()) {
122            final PhoneNumberUtilWrapper.Country country = iterator.next();
123            if (needle != null && !country.getName().toLowerCase(Locale.getDefault()).contains(needle.toLowerCase(Locale.getDefault()))) {
124                iterator.remove();
125            }
126        }
127        this.countries.clear();
128        this.countries.addAll(countries);
129        this.countryAdapter.notifyDataSetChanged();
130    }
131
132}