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/*
* Copyright (C) 2013 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 java.util.Set;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.ui.adapter.KeyListSecretAdapter;
import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView.OnItemClickListener;
import com.actionbarsherlock.app.SherlockListFragment;
public class KeyListSecretFragment extends SherlockListFragment implements
LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener {
private KeyListSecretActivity mKeyListSecretActivity;
private KeyListSecretAdapter mAdapter;
/**
* Define Adapter and Loader on create of Activity
*/
@SuppressLint("NewApi")
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mKeyListSecretActivity = (KeyListSecretActivity) getActivity();
getListView().setOnItemClickListener(this);
// Give some text to display if there is no data. In a real
// application this would come from a resource.
setEmptyText(getString(R.string.list_empty));
/*
* ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
* available for Android >= 3.0
*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
getListView().setMultiChoiceModeListener(new MultiChoiceModeListener() {
private int count = 0;
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
android.view.MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.key_list_secret_multi, menu);
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
Set<Integer> positions = mAdapter.getCurrentCheckedPosition();
// get IDs for checked positions as long array
long[] ids = new long[positions.size()];
int i = 0;
for (int pos : positions) {
ids[i] = mAdapter.getItemId(pos);
i++;
}
switch (item.getItemId()) {
case R.id.menu_key_list_public_multi_delete: {
showDeleteKeyDialog(ids);
break;
}
}
return false;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
count = 0;
mAdapter.clearSelection();
}
@Override
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
if (checked) {
count++;
mAdapter.setNewSelection(position, checked);
} else {
count--;
mAdapter.removeSelection(position);
}
String keysSelected = getResources().getQuantityString(
R.plurals.key_list_selected_keys, count, count);
mode.setTitle(keysSelected);
}
});
}
// We have a menu item to show in action bar.
setHasOptionsMenu(true);
// Start out with a progress indicator.
setListShown(false);
// Create an empty adapter we will use to display the loaded data.
mAdapter = new KeyListSecretAdapter(mKeyListSecretActivity, null, 0);
setListAdapter(mAdapter);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
// These are the rows that we will retrieve.
static final String[] PROJECTION = new String[] { KeyRings._ID, KeyRings.MASTER_KEY_ID,
UserIds.USER_ID };
static final String SORT_ORDER = UserIds.USER_ID + " COLLATE LOCALIZED ASC";
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// This is called when a new Loader needs to be created. This
// sample only has one Loader, so we don't care about the ID.
// First, pick the base URI to use depending on whether we are
// currently filtering.
Uri baseUri = KeyRings.buildSecretKeyRingsUri();
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, SORT_ORDER);
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
mAdapter.swapCursor(data);
// The list should now be shown.
if (isResumed()) {
setListShown(true);
} else {
setListShownNoAnimation(true);
}
}
public void onLoaderReset(Loader<Cursor> loader) {
// This is called when the last Cursor provided to onLoadFinished()
// above is about to be closed. We need to make sure we are no
// longer using it.
mAdapter.swapCursor(null);
}
/**
* On click on item, start key view activity
*/
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
Intent editIntent = new Intent(mKeyListSecretActivity, EditKeyActivity.class);
editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsUri(Long.toString(id)));
editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
startActivityForResult(editIntent, 0);
}
/**
* Show dialog to delete key
*
* @param keyRingRowIds
*/
public void showDeleteKeyDialog(long[] keyRingRowIds) {
DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(null,
keyRingRowIds, Id.type.secret_key);
deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
}
}
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