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