/*
* Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* 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.sufficientlysecure.keychain.ui;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.MatrixCursor;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.provider.BaseColumns;
import android.support.v4.app.Fragment;
import android.support.v4.view.MenuItemCompat;
import android.support.v4.view.MenuItemCompat.OnActionExpandListener;
import android.support.v4.widget.CursorAdapter;
import android.support.v4.widget.SimpleCursorAdapter;
import android.support.v7.widget.SearchView;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.processing.CloudLoaderState;
import org.sufficientlysecure.keychain.keyimport.processing.ImportKeysListener;
import org.sufficientlysecure.keychain.util.ContactHelper;
import org.sufficientlysecure.keychain.util.Preferences;
import org.sufficientlysecure.keychain.util.Preferences.CloudSearchPrefs;
import java.util.ArrayList;
import java.util.List;
import static android.support.v7.widget.SearchView.OnQueryTextListener;
import static android.support.v7.widget.SearchView.OnSuggestionListener;
/**
* Consists of the search bar, search button, and search settings button
*/
public class ImportKeysSearchFragment extends Fragment {
public static final String ARG_QUERY = "query";
public static final String ARG_CLOUD_SEARCH_PREFS = "cloud_search_prefs";
private static final String CURSOR_SUGGESTION = "suggestion";
private Activity mActivity;
private ImportKeysListener mCallback;
private List<String> mNamesAndEmails;
private SimpleCursorAdapter mSearchAdapter;
private List<String> mCurrentSuggestions = new ArrayList<>();
/**
* Creates new instance of this fragment
*
* @param query query to search for
* @param cloudSearchPrefs search parameters to use. If null will retrieve from user's
* preferences.
*/
public static ImportKeysSearchFragment newInstance(String query,
CloudSearchPrefs cloudSearchPrefs) {
ImportKeysSearchFragment frag = new ImportKeysSearchFragment();
Bundle args = new Bundle();
args.putString(ARG_QUERY, query);
args.putParcelable(ARG_CLOUD_SEARCH_PREFS, cloudSearchPrefs);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater i, ViewGroup c, Bundle savedInstanceState) {
ContactHelper contactHelper = new ContactHelper(mActivity);
mNamesAndEmails = contactHelper.getContactNames();
mNamesAndEmails.addAll(contactHelper.getContactMails());
mSearchAdapter = new SimpleCursorAdapter(mActivity,
R.layout.import_keys_cloud_suggestions_item, null, new String[]{CURSOR_SUGGESTION},
new int[]{android.R.id.text1}, CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
setHasOptionsMenu(true);
// no view, just search view
return null;
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
try {
mCallback = (ImportKeysListener) context;
} catch (ClassCastException e) {
throw new ClassCastException(context.toString()
+ " must implement ImportKeysListener");
}
mActivity = (Activity) context;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.import_keys_cloud_fragment, menu);
MenuItem searchItem = menu.findItem(R.id.menu_import_keys_cloud_search);
final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
searchView.setSuggestionsAdapter(mSearchAdapter);
searchView.setOnSuggestionListener(new OnSuggestionListener() {
@Override
public boolean onSuggestionSelect(int position) {
searchView.setQuery(mCurrentSuggestions.get(position), true);
return true;
}
@Override
public boolean onSuggestionClick(int position) {
searchView.setQuery(mCurrentSuggestions.get(position), true);
return true;
}
});
searchView.setOnQueryTextListener(new OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
searchView.clearFocus();
search(searchView.getQuery().toString().trim());
return true;
}
@Override
public boolean onQueryTextChange(String newText) {
updateAdapter(newText);
return false;
}
});
MenuItemCompat.setOnActionExpandListener(searchItem, new OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
return true;
}
@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
mActivity.finish();
return true;
}
});
searchItem.expandActionView();
String query = getArguments().getString(ARG_QUERY);
if (query != null) {
searchView.setQuery(query, false);
}
super.onCreateOptionsMenu(menu, inflater);
}
private void updateAdapter(String query) {
mCurrentSuggestions.clear();
MatrixCursor c = new MatrixCursor(new String[]{BaseColumns._ID, CURSOR_SUGGESTION});
for (int i = 0; i < mNamesAndEmails.size(); i++) {
String s = mNamesAndEmails.get(i);
if (s.toLowerCase().startsWith(query.toLowerCase())) {
mCurrentSuggestions.add(s);
c.addRow(new Object[]{i, s});
}
}
mSearchAdapter.changeCursor(c);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
switch (itemId) {
case R.id.menu_import_keys_cloud_settings:
Intent intent = new Intent(mActivity, SettingsActivity.class);
intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT,
SettingsActivity.CloudSearchPrefsFragment.class.getName());
startActivity(intent);
return true;
}
return super.onOptionsItemSelected(item);
}
private void search(String query) {
CloudSearchPrefs cloudSearchPrefs
= getArguments().getParcelable(ARG_CLOUD_SEARCH_PREFS);
// no explicit search preferences passed
if (cloudSearchPrefs == null) {
cloudSearchPrefs = Preferences.getPreferences(getActivity()).getCloudSearchPrefs();
}
mCallback.loadKeys(new CloudLoaderState(query, cloudSearchPrefs));
toggleKeyboard(false);
}
private void toggleKeyboard(boolean show) {
if (getActivity() == null) {
return;
}
InputMethodManager inputManager = (InputMethodManager) getActivity()
.getSystemService(Context.INPUT_METHOD_SERVICE);
// check if no view has focus
View v = getActivity().getCurrentFocus();
if (v == null) {
return;
}
if (show) {
inputManager.showSoftInput(v, InputMethodManager.SHOW_IMPLICIT);
} else {
inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}
}