/*
* Firetweet - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* 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.getlantern.firetweet.fragment;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.util.SparseBooleanArray;
import android.view.ActionMode;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import org.getlantern.querybuilder.Columns.Column;
import org.getlantern.querybuilder.Expression;
import org.getlantern.querybuilder.RawItemArray;
import org.getlantern.firetweet.R;
import org.getlantern.firetweet.fragment.support.BaseSupportListFragment;
import org.getlantern.firetweet.provider.FiretweetDataStore.Filters;
import org.getlantern.firetweet.util.UserColorNameUtils;
public abstract class BaseFiltersFragment extends BaseSupportListFragment implements LoaderManager.LoaderCallbacks<Cursor>,
MultiChoiceModeListener {
private ListView mListView;
private SimpleCursorAdapter mAdapter;
private ContentResolver mResolver;
private ActionMode mActionMode;
private final BroadcastReceiver mStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(final Context context, final Intent intent) {
if (getActivity() == null || !isAdded() || isDetached()) return;
final String action = intent.getAction();
if (BROADCAST_FILTERS_UPDATED.equals(action)) {
getLoaderManager().restartLoader(0, null, BaseFiltersFragment.this);
}
}
};
public abstract Uri getContentUri();
@Override
public boolean onActionItemClicked(final ActionMode mode, final MenuItem item) {
switch (item.getItemId()) {
case MENU_DELETE: {
final Expression where = Expression.in(new Column(Filters._ID), new RawItemArray(mListView.getCheckedItemIds()));
mResolver.delete(getContentUri(), where.getSQL(), null);
break;
}
case MENU_INVERSE_SELECTION: {
final SparseBooleanArray positions = mListView.getCheckedItemPositions();
for (int i = 0, j = mListView.getCount(); i < j; i++) {
mListView.setItemChecked(i, !positions.get(i));
}
return true;
}
default: {
return false;
}
}
mode.finish();
return true;
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
mResolver = getContentResolver();
super.onActivityCreated(savedInstanceState);
mAdapter = createListAdapter();
setListAdapter(mAdapter);
mListView = getListView();
mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
mListView.setMultiChoiceModeListener(this);
setEmptyText(getString(R.string.no_rule));
getLoaderManager().initLoader(0, null, this);
setListShown(false);
}
@Override
public boolean onCreateActionMode(final ActionMode mode, final Menu menu) {
mActionMode = mode;
getActivity().getMenuInflater().inflate(R.menu.action_multi_select_items, menu);
return true;
}
@Override
public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
return new CursorLoader(getActivity(), getContentUri(), getContentColumns(), null, null, null);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) {
final View view = super.onCreateView(inflater, container, savedInstanceState);
final View lv = view.findViewById(android.R.id.list);
final Resources res = getResources();
final float density = res.getDisplayMetrics().density;
final int padding = (int) density * 16;
lv.setId(android.R.id.list);
lv.setPadding(padding, 0, padding, 0);
return view;
}
@Override
public void onDestroyActionMode(final ActionMode mode) {
}
@Override
public void onItemCheckedStateChanged(final ActionMode mode, final int position, final long id,
final boolean checked) {
updateTitle(mode);
}
@Override
public void onLoaderReset(final Loader<Cursor> loader) {
mAdapter.swapCursor(null);
}
@Override
public void onLoadFinished(final Loader<Cursor> loader, final Cursor data) {
mAdapter.swapCursor(data);
setListShown(true);
}
@Override
public boolean onPrepareActionMode(final ActionMode mode, final Menu menu) {
updateTitle(mode);
return true;
}
@Override
public void onStart() {
super.onStart();
final IntentFilter filter = new IntentFilter(BROADCAST_FILTERS_UPDATED);
registerReceiver(mStateReceiver, filter);
}
@Override
public void onStop() {
unregisterReceiver(mStateReceiver);
super.onStop();
}
@Override
public void setUserVisibleHint(final boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if (!isVisibleToUser && mActionMode != null) {
mActionMode.finish();
}
}
protected SimpleCursorAdapter createListAdapter() {
return new FilterListAdapter(getActivity());
}
protected abstract String[] getContentColumns();
private void updateTitle(final ActionMode mode) {
if (mListView == null || mode == null || getActivity() == null) return;
final int count = mListView.getCheckedItemCount();
mode.setTitle(getResources().getQuantityString(R.plurals.Nitems_selected, count, count));
}
public static final class FilteredKeywordsFragment extends BaseFiltersFragment {
@Override
public String[] getContentColumns() {
return Filters.Keywords.COLUMNS;
}
@Override
public Uri getContentUri() {
return Filters.Keywords.CONTENT_URI;
}
}
public static final class FilteredLinksFragment extends BaseFiltersFragment {
@Override
public String[] getContentColumns() {
return Filters.Links.COLUMNS;
}
@Override
public Uri getContentUri() {
return Filters.Links.CONTENT_URI;
}
}
public static final class FilteredSourcesFragment extends BaseFiltersFragment {
@Override
public String[] getContentColumns() {
return Filters.Sources.COLUMNS;
}
@Override
public Uri getContentUri() {
return Filters.Sources.CONTENT_URI;
}
}
public static final class FilteredUsersFragment extends BaseFiltersFragment {
@Override
public String[] getContentColumns() {
return Filters.Users.COLUMNS;
}
@Override
public Uri getContentUri() {
return Filters.Users.CONTENT_URI;
}
@Override
protected SimpleCursorAdapter createListAdapter() {
return new FilterUsersListAdapter(getActivity());
}
private static final class FilterUsersListAdapter extends SimpleCursorAdapter {
private int mUserIdIdx, mNameIdx, mScreenNameIdx;
private final boolean mNameFirst;
public FilterUsersListAdapter(final Context context) {
super(context, android.R.layout.simple_list_item_activated_1, null, new String[0], new int[0], 0);
final SharedPreferences prefs = context.getSharedPreferences(SHARED_PREFERENCES_NAME,
Context.MODE_PRIVATE);
mNameFirst = prefs.getBoolean(KEY_NAME_FIRST, true);
}
@Override
public void bindView(@NonNull final View view, final Context context, @NonNull final Cursor cursor) {
super.bindView(view, context, cursor);
final TextView text1 = (TextView) view.findViewById(android.R.id.text1);
final long user_id = cursor.getLong(mUserIdIdx);
final String name = cursor.getString(mNameIdx);
final String screen_name = cursor.getString(mScreenNameIdx);
final String display_name = UserColorNameUtils.getDisplayName(context, user_id, name, screen_name, mNameFirst);
text1.setText(display_name);
}
@Override
public Cursor swapCursor(final Cursor c) {
final Cursor old = super.swapCursor(c);
if (c != null) {
mUserIdIdx = c.getColumnIndex(Filters.Users.USER_ID);
mNameIdx = c.getColumnIndex(Filters.Users.NAME);
mScreenNameIdx = c.getColumnIndex(Filters.Users.SCREEN_NAME);
}
return old;
}
}
}
private static final class FilterListAdapter extends SimpleCursorAdapter {
private static final String[] from = new String[]{Filters.VALUE};
private static final int[] to = new int[]{android.R.id.text1};
public FilterListAdapter(final Context context) {
super(context, android.R.layout.simple_list_item_activated_1, null, from, to, 0);
}
}
}