/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
*
* 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.remote.ui;
import android.content.Context;
import android.database.Cursor;
import android.database.DatabaseUtils;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import org.openintents.openpgp.util.OpenPgpUtils;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
import org.sufficientlysecure.keychain.remote.ui.adapter.SelectEncryptKeyAdapter;
import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
import org.sufficientlysecure.keychain.ui.base.RecyclerFragment;
public class SelectPublicKeyFragment extends RecyclerFragment<SelectEncryptKeyAdapter>
implements TextWatcher, LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_PRESELECTED_KEY_IDS = "preselected_key_ids";
// private EditText mSearchView;
private long mSelectedMasterKeyIds[];
private String mQuery;
/**
* Creates new instance of this fragment
*/
public static SelectPublicKeyFragment newInstance(long[] preselectedKeyIds) {
SelectPublicKeyFragment frag = new SelectPublicKeyFragment();
Bundle args = new Bundle();
args.putLongArray(ARG_PRESELECTED_KEY_IDS, preselectedKeyIds);
frag.setArguments(args);
return frag;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSelectedMasterKeyIds = getArguments().getLongArray(ARG_PRESELECTED_KEY_IDS);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final Context context = getContext();
FrameLayout root = new FrameLayout(context);
LinearLayout progressContainer = new LinearLayout(context);
progressContainer.setId(INTERNAL_PROGRESS_CONTAINER_ID);
progressContainer.setOrientation(LinearLayout.VERTICAL);
progressContainer.setGravity(Gravity.CENTER);
progressContainer.setVisibility(View.GONE);
ProgressBar progressBar = new ProgressBar(context, null,
android.R.attr.progressBarStyleLarge);
progressContainer.addView(progressBar, new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
root.addView(progressContainer, new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
FrameLayout listContainer = new FrameLayout(context);
listContainer.setId(INTERNAL_LIST_CONTAINER_ID);
TextView textView = new TextView(context);
textView.setId(INTERNAL_EMPTY_VIEW_ID);
textView.setGravity(Gravity.CENTER);
listContainer.addView(textView, new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
LinearLayout innerListContainer = new LinearLayout(context);
innerListContainer.setOrientation(LinearLayout.VERTICAL);
// TODO: search is broken: When searching, previously selected keys are no longer selected
// mSearchView = new EditText(context);
// mSearchView.setId(android.R.id.input);
// mSearchView.setHint(R.string.menu_search);
// mSearchView.setCompoundDrawablesWithIntrinsicBounds(
// ContextCompat.getDrawable(
// context,
// R.drawable.ic_search_grey_24dp
// ), null, null, null);
//
// innerListContainer.addView(mSearchView, new LinearLayout.LayoutParams(
// ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
RecyclerView listView = new RecyclerView(context);
listView.setId(INTERNAL_LIST_VIEW_ID);
int padding = FormattingUtils.dpToPx(context, 8);
listView.setPadding(padding, 0, padding, 0);
listView.setClipToPadding(false);
innerListContainer.addView(listView, new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
listContainer.addView(innerListContainer, new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
root.addView(listContainer, new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
root.setLayoutParams(new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
return root;
}
/**
* Define Adapter and Loader on create of Activity
*/
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// 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));
// mSearchView.addTextChangedListener(this);
setAdapter(new SelectEncryptKeyAdapter(getContext(), null));
setLayoutManager(new LinearLayoutManager(getContext()));
// Start out with a progress indicator.
hideList(false);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
public long[] getSelectedMasterKeyIds() {
return getAdapter() != null ?
getAdapter().getMasterKeyIds() : new long[0];
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
// These are the rows that we will retrieve.
String[] projection = new String[]{
KeyRings._ID,
KeyRings.MASTER_KEY_ID,
KeyRings.USER_ID,
KeyRings.IS_EXPIRED,
KeyRings.IS_REVOKED,
KeyRings.HAS_ENCRYPT,
KeyRings.VERIFIED,
KeyRings.HAS_DUPLICATE_USER_ID,
KeyRings.CREATION,
KeyRings.NAME,
KeyRings.EMAIL,
KeyRings.COMMENT
};
String inMasterKeyList = null;
if (mSelectedMasterKeyIds != null && mSelectedMasterKeyIds.length > 0) {
inMasterKeyList = Tables.KEYS + "." + KeyRings.MASTER_KEY_ID + " IN (";
for (int i = 0; i < mSelectedMasterKeyIds.length; ++i) {
if (i != 0) {
inMasterKeyList += ", ";
}
inMasterKeyList += DatabaseUtils.sqlEscapeString("" + mSelectedMasterKeyIds[i]);
}
inMasterKeyList += ")";
}
String orderBy = KeyRings.USER_ID + " ASC";
if (inMasterKeyList != null) {
// sort by selected master keys
orderBy = inMasterKeyList + " DESC, " + orderBy;
}
String where = null;
String whereArgs[] = null;
if (mQuery != null) {
String[] words = mQuery.trim().split("\\s+");
whereArgs = new String[words.length];
for (int i = 0; i < words.length; ++i) {
if (where == null) {
where = "";
} else {
where += " AND ";
}
where += KeyRings.USER_ID + " LIKE ?";
whereArgs[i] = "%" + words[i] + "%";
}
}
// 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, where, whereArgs, orderBy);
}
@Override
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.)
getAdapter().setQuery(mQuery);
getAdapter().swapCursor(SelectEncryptKeyAdapter.PublicKeyCursor.wrap(data));
// The list should now be shown.
if (isResumed()) {
showList(true);
} else {
showList(false);
}
// preselect given master keys
getAdapter().preselectMasterKeyIds(mSelectedMasterKeyIds);
}
@Override
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.
getAdapter().swapCursor(null);
}
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void afterTextChanged(Editable editable) {
mQuery = !TextUtils.isEmpty(editable.toString()) ? editable.toString() : null;
getLoaderManager().restartLoader(0, null, this);
}
}