arcanechat-android/src/main/java/org/thoughtcrime/securesms/ContactSelectionActivity.java

/*
 * Copyright (C) 2015 Open Whisper Systems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.thoughtcrime.securesms;

import android.os.Bundle;
import android.view.MenuItem;

import org.thoughtcrime.securesms.components.ContactFilterToolbar;
import org.thoughtcrime.securesms.util.DynamicNoActionBarTheme;
import org.thoughtcrime.securesms.util.ViewUtil;

/**
 * Base activity container for selecting a list of contacts.
 *
 * @author Moxie Marlinspike
 *
 */
public abstract class ContactSelectionActivity extends PassphraseRequiredActionBarActivity
                                               implements ContactSelectionListFragment.OnContactSelectedListener
{
  private static final String TAG = ContactSelectionActivity.class.getSimpleName();

  protected ContactSelectionListFragment contactsFragment;

  private ContactFilterToolbar toolbar;

  @Override
  protected void onPreCreate() {
    dynamicTheme = new DynamicNoActionBarTheme();
    super.onPreCreate();
  }

  @Override
  protected void onCreate(Bundle icicle, boolean ready) {
    setContentView(R.layout.contact_selection_activity);

    initializeToolbar();
    initializeResources();
    initializeSearch();
  }

  protected ContactFilterToolbar getToolbar() {
    return toolbar;
  }

  private void initializeToolbar() {
    this.toolbar = ViewUtil.findById(this, R.id.toolbar);
    setSupportActionBar(toolbar);

    assert  getSupportActionBar() != null;
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowTitleEnabled(false);
    getSupportActionBar().setIcon(null);
    getSupportActionBar().setLogo(null);
  }

  private void initializeResources() {
    contactsFragment = (ContactSelectionListFragment) getSupportFragmentManager().findFragmentById(R.id.contact_selection_list_fragment);
    contactsFragment.setOnContactSelectedListener(this);
  }

  private void initializeSearch() {
    toolbar.setOnFilterChangedListener(filter -> contactsFragment.setQueryFilter(filter));
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    super.onOptionsItemSelected(item);

    if (item.getItemId() == android.R.id.home) {
      getOnBackPressedDispatcher().onBackPressed();
      return true;
    }

    return false;
  }

  @Override
  public void onContactSelected(int contactId) {}

  @Override
  public void onContactDeselected(int contactId) {}
}