/*
* Copyright (C) 2013-2015 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014-2015 Vincent Breitmoser <v.breitmoser@mugenguild.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.sufficientlysecure.keychain.ui;
import android.animation.ObjectAnimator;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.SearchView;
import android.view.ActionMode;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import com.getbase.floatingactionbutton.FloatingActionButton;
import com.getbase.floatingactionbutton.FloatingActionsMenu;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.operations.results.ConsolidateResult;
import org.sufficientlysecure.keychain.operations.results.DeleteResult;
import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainDatabase;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.KeychainService;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
import org.sufficientlysecure.keychain.service.PassphraseCacheService;
import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.ui.util.Notify.Style;
import org.sufficientlysecure.keychain.util.ExportHelper;
import org.sufficientlysecure.keychain.util.FabContainer;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Preferences;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
/**
* Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
* StickyListHeaders library which does not extend upon ListView.
*/
public class KeyListFragment extends LoaderFragment
implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
LoaderManager.LoaderCallbacks<Cursor>, FabContainer {
static final int REQUEST_REPEAT_PASSPHRASE = 1;
static final int REQUEST_ACTION = 2;
ExportHelper mExportHelper;
private KeyListAdapter mAdapter;
private StickyListHeadersListView mStickyList;
// saves the mode object for multiselect, needed for reset at some point
private ActionMode mActionMode = null;
private String mQuery;
private FloatingActionsMenu mFab;
// This ids for multiple key export.
private ArrayList<Long> mIdsForRepeatAskPassphrase;
// This index for remembering the number of master key.
private int mIndex;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mExportHelper = new ExportHelper(getActivity());
}
/**
* Load custom layout with StickyListView from library
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.key_list_fragment, getContainer());
mStickyList = (StickyListHeadersListView) view.findViewById(R.id.key_list_list);
mStickyList.setOnItemClickListener(this);
mFab = (FloatingActionsMenu) view.findViewById(R.id.fab_main);
FloatingActionButton fabQrCode = (FloatingActionButton) view.findViewById(R.id.fab_add_qr_code);
FloatingActionButton fabCloud = (FloatingActionButton) view.findViewById(R.id.fab_add_cloud);
FloatingActionButton fabFile = (FloatingActionButton) view.findViewById(R.id.fab_add_file);
fabQrCode.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mFab.collapse();
scanQrCode();
}
});
fabCloud.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mFab.collapse();
searchCloud();
}
});
fabFile.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mFab.collapse();
importFile();
}
});
return root;
}
/**
* Define Adapter and Loader on create of Activity
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// show app name instead of "keys" from nav drawer
getActivity().setTitle(R.string.app_name);
mStickyList.setOnItemClickListener(this);
mStickyList.setAreHeadersSticky(true);
mStickyList.setDrawingListUnderStickyHeader(false);
mStickyList.setFastScrollEnabled(true);
// Adds an empty footer view so that the Floating Action Button won't block content
// in last few rows.
View footer = new View(getActivity());
int spacing = (int) android.util.TypedValue.applyDimension(
android.util.TypedValue.COMPLEX_UNIT_DIP, 72, getResources().getDisplayMetrics()
);
android.widget.AbsListView.LayoutParams params = new android.widget.AbsListView.LayoutParams(
android.widget.AbsListView.LayoutParams.MATCH_PARENT,
spacing
);
footer.setLayoutParams(params);
mStickyList.addFooterView(footer, null, false);
/*
* Multi-selection
*/
mStickyList.setFastScrollAlwaysVisible(true);
mStickyList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
mStickyList.getWrappedList().setMultiChoiceModeListener(new MultiChoiceModeListener() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
android.view.MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.key_list_multi, menu);
mActionMode = mode;
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
// get IDs for checked positions as long array
long[] ids;
switch (item.getItemId()) {
case R.id.menu_key_list_multi_encrypt: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
encrypt(mode, ids);
break;
}
case R.id.menu_key_list_multi_delete: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
showDeleteKeyDialog(mode, ids, mAdapter.isAnySecretSelected());
break;
}
case R.id.menu_key_list_multi_export: {
ids = mAdapter.getCurrentSelectedMasterKeyIds();
showMultiExportDialog(ids);
break;
}
case R.id.menu_key_list_multi_select_all: {
// select all
for (int i = 0; i < mAdapter.getCount(); i++) {
mStickyList.setItemChecked(i, true);
}
break;
}
}
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
mActionMode = null;
mAdapter.clearSelection();
}
@Override
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
if (checked) {
mAdapter.setNewSelection(position, true);
} else {
mAdapter.removeSelection(position);
}
int count = mStickyList.getCheckedItemCount();
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.
setContentShown(false);
// Create an empty adapter we will use to display the loaded data.
mAdapter = new KeyListAdapter(getActivity(), null, 0);
mStickyList.setAdapter(mAdapter);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
static final String ORDER =
KeyRings.HAS_ANY_SECRET + " DESC, UPPER(" + KeyRings.USER_ID + ") ASC";
@Override
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.
Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
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,
KeyListAdapter.PROJECTION, where, whereArgs, ORDER);
}
@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.)
mAdapter.setSearchQuery(mQuery);
mAdapter.swapCursor(data);
mStickyList.setAdapter(mAdapter);
// this view is made visible if no data is available
mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_empty));
// end action mode, if any
if (mActionMode != null) {
mActionMode.finish();
}
// The list should now be shown.
if (isResumed()) {
setContentShown(true);
} else {
setContentShownNoAnimation(true);
}
}
@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.
mAdapter.swapCursor(null);
}
/**
* On click on item, start key view activity
*/
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
Intent viewIntent = new Intent(getActivity(), ViewKeyActivity.class);
viewIntent.setData(
KeyRings.buildGenericKeyRingUri(mAdapter.getMasterKeyId(position)));
startActivity(viewIntent);
}
protected void encrypt(ActionMode mode, long[] masterKeyIds) {
Intent intent = new Intent(getActivity(), EncryptFilesActivity.class);
intent.setAction(EncryptFilesActivity.ACTION_ENCRYPT_DATA);
intent.putExtra(EncryptFilesActivity.EXTRA_ENCRYPTION_KEY_IDS, masterKeyIds);
// used instead of startActivity set actionbar based on callingPackage
startActivityForResult(intent, REQUEST_ACTION);
mode.finish();
}
/**
* Show dialog to delete key
*
* @param hasSecret must contain whether the list of masterKeyIds contains a secret key or not
*/
public void showDeleteKeyDialog(final ActionMode mode, long[] masterKeyIds, boolean hasSecret) {
// Can only work on singular secret keys
if (hasSecret && masterKeyIds.length > 1) {
Notify.create(getActivity(), R.string.secret_cannot_multiple,
Notify.Style.ERROR).show();
return;
}
// Message is received after key is deleted
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.arg1 == DeleteKeyDialogFragment.MESSAGE_OKAY) {
Bundle data = message.getData();
if (data != null) {
DeleteResult result = data.getParcelable(DeleteResult.EXTRA_RESULT);
if (result != null) {
result.createNotify(getActivity()).show();
}
}
mode.finish();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
masterKeyIds);
deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
inflater.inflate(R.menu.key_list, menu);
if (Constants.DEBUG) {
menu.findItem(R.id.menu_key_list_debug_cons).setVisible(true);
menu.findItem(R.id.menu_key_list_debug_read).setVisible(true);
menu.findItem(R.id.menu_key_list_debug_write).setVisible(true);
menu.findItem(R.id.menu_key_list_debug_first_time).setVisible(true);
}
// Get the searchview
MenuItem searchItem = menu.findItem(R.id.menu_key_list_search);
SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
// Execute this when searching
searchView.setOnQueryTextListener(this);
// Erase search result without focus
MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(MenuItem item) {
// disable swipe-to-refresh
// mSwipeRefreshLayout.setIsLocked(true);
return true;
}
@Override
public boolean onMenuItemActionCollapse(MenuItem item) {
mQuery = null;
getLoaderManager().restartLoader(0, null, KeyListFragment.this);
// enable swipe-to-refresh
// mSwipeRefreshLayout.setIsLocked(false);
return true;
}
});
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_key_list_create:
createKey();
return true;
case R.id.menu_key_list_export:
mExportHelper.showExportKeysDialog(null, Constants.Path.APP_DIR_FILE, true);
return true;
case R.id.menu_key_list_update_all_keys:
updateAllKeys();
return true;
case R.id.menu_key_list_debug_cons:
consolidate();
return true;
case R.id.menu_key_list_debug_read:
try {
KeychainDatabase.debugBackup(getActivity(), true);
Notify.create(getActivity(), "Restored debug_backup.db", Notify.Style.OK).show();
getActivity().getContentResolver().notifyChange(KeychainContract.KeyRings.CONTENT_URI, null);
} catch (IOException e) {
Log.e(Constants.TAG, "IO Error", e);
Notify.create(getActivity(), "IO Error " + e.getMessage(), Notify.Style.ERROR).show();
}
return true;
case R.id.menu_key_list_debug_write:
try {
KeychainDatabase.debugBackup(getActivity(), false);
Notify.create(getActivity(), "Backup to debug_backup.db completed", Notify.Style.OK).show();
} catch (IOException e) {
Log.e(Constants.TAG, "IO Error", e);
Notify.create(getActivity(), "IO Error: " + e.getMessage(), Notify.Style.ERROR).show();
}
return true;
case R.id.menu_key_list_debug_first_time:
Preferences prefs = Preferences.getPreferences(getActivity());
prefs.setFirstTime(true);
Intent intent = new Intent(getActivity(), CreateKeyActivity.class);
intent.putExtra(CreateKeyActivity.EXTRA_FIRST_TIME, true);
startActivity(intent);
getActivity().finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public boolean onQueryTextSubmit(String s) {
return true;
}
@Override
public boolean onQueryTextChange(String s) {
Log.d(Constants.TAG, "onQueryTextChange s:" + s);
// Called when the action bar search text has changed. Update
// the search filter, and restart the loader to do a new query
// with this filter.
// If the nav drawer is opened, onQueryTextChange("") is executed.
// This hack prevents restarting the loader.
// TODO: better way to fix this?
String tmp = (mQuery == null) ? "" : mQuery;
if (!s.equals(tmp)) {
mQuery = s;
getLoaderManager().restartLoader(0, null, this);
}
return true;
}
private void searchCloud() {
Intent importIntent = new Intent(getActivity(), ImportKeysActivity.class);
importIntent.putExtra(ImportKeysActivity.EXTRA_QUERY, (String) null); // hack to show only cloud tab
startActivity(importIntent);
}
private void scanQrCode() {
Intent scanQrCode = new Intent(getActivity(), ImportKeysProxyActivity.class);
scanQrCode.setAction(ImportKeysProxyActivity.ACTION_SCAN_IMPORT);
startActivityForResult(scanQrCode, REQUEST_ACTION);
}
private void importFile() {
Intent intentImportExisting = new Intent(getActivity(), ImportKeysActivity.class);
intentImportExisting.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_FILE_AND_RETURN);
startActivityForResult(intentImportExisting, REQUEST_ACTION);
}
private void createKey() {
Intent intent = new Intent(getActivity(), CreateKeyActivity.class);
startActivityForResult(intent, REQUEST_ACTION);
}
private void updateAllKeys() {
Activity activity = getActivity();
if (activity == null) {
return;
}
ProviderHelper providerHelper = new ProviderHelper(activity);
Cursor cursor = providerHelper.getContentResolver().query(
KeyRings.buildUnifiedKeyRingsUri(), new String[]{
KeyRings.FINGERPRINT
}, null, null, null
);
if (cursor == null) {
Notify.create(activity, R.string.error_loading_keys, Style.ERROR);
return;
}
ArrayList<ParcelableKeyRing> keyList = new ArrayList<>();
try {
while (cursor.moveToNext()) {
byte[] blob = cursor.getBlob(0);//fingerprint column is 0
String fingerprint = KeyFormattingUtils.convertFingerprintToHex(blob);
ParcelableKeyRing keyEntry = new ParcelableKeyRing(fingerprint, null, null);
keyList.add(keyEntry);
}
} finally {
cursor.close();
}
ServiceProgressHandler serviceHandler = new ServiceProgressHandler(getActivity()) {
@Override
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
// get returned data bundle
Bundle returnData = message.getData();
if (returnData == null) {
return;
}
final ImportKeyResult result =
returnData.getParcelable(OperationResult.EXTRA_RESULT);
if (result == null) {
Log.e(Constants.TAG, "result == null");
return;
}
result.createNotify(getActivity()).show();
}
}
};
// Send all information needed to service to query keys in other thread
Intent intent = new Intent(getActivity(), KeychainService.class);
intent.setAction(KeychainService.ACTION_IMPORT_KEYRING);
// fill values for this action
Bundle data = new Bundle();
// search config
{
Preferences prefs = Preferences.getPreferences(getActivity());
Preferences.CloudSearchPrefs cloudPrefs =
new Preferences.CloudSearchPrefs(true, true, prefs.getPreferredKeyserver());
data.putString(KeychainService.IMPORT_KEY_SERVER, cloudPrefs.keyserver);
}
data.putParcelableArrayList(KeychainService.IMPORT_KEY_LIST, keyList);
intent.putExtra(KeychainService.EXTRA_DATA, data);
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(serviceHandler);
intent.putExtra(KeychainService.EXTRA_MESSENGER, messenger);
// show progress dialog
serviceHandler.showProgressDialog(
getString(R.string.progress_updating),
ProgressDialog.STYLE_HORIZONTAL, true);
// start service with intent
getActivity().startService(intent);
}
private void consolidate() {
// Message is received after importing is done in KeychainService
ServiceProgressHandler saveHandler = new ServiceProgressHandler(getActivity()) {
@Override
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
// get returned data bundle
Bundle returnData = message.getData();
if (returnData == null) {
return;
}
final ConsolidateResult result =
returnData.getParcelable(OperationResult.EXTRA_RESULT);
if (result == null) {
return;
}
result.createNotify(getActivity()).show();
}
}
};
// Send all information needed to service to import key in other thread
Intent intent = new Intent(getActivity(), KeychainService.class);
intent.setAction(KeychainService.ACTION_CONSOLIDATE);
// fill values for this action
Bundle data = new Bundle();
intent.putExtra(KeychainService.EXTRA_DATA, data);
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(
getString(R.string.progress_importing),
ProgressDialog.STYLE_HORIZONTAL, false);
// start service with intent
getActivity().startService(intent);
}
private void showMultiExportDialog(long[] masterKeyIds) {
mIdsForRepeatAskPassphrase = new ArrayList<>();
for (long id : masterKeyIds) {
try {
if (PassphraseCacheService.getCachedPassphrase(
getActivity(), id, id) == null) {
mIdsForRepeatAskPassphrase.add(id);
}
} catch (PassphraseCacheService.KeyNotFoundException e) {
// This happens when the master key is stripped
// and ignore this key.
}
}
mIndex = 0;
if (mIdsForRepeatAskPassphrase.size() != 0) {
startPassphraseActivity();
return;
}
long[] idsForMultiExport = new long[mIdsForRepeatAskPassphrase.size()];
for (int i = 0; i < mIdsForRepeatAskPassphrase.size(); ++i) {
idsForMultiExport[i] = mIdsForRepeatAskPassphrase.get(i);
}
mExportHelper.showExportKeysDialog(idsForMultiExport,
Constants.Path.APP_DIR_FILE,
mAdapter.isAnySecretSelected());
}
private void startPassphraseActivity() {
Intent intent = new Intent(getActivity(), PassphraseDialogActivity.class);
long masterKeyId = mIdsForRepeatAskPassphrase.get(mIndex++);
intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, masterKeyId);
startActivityForResult(intent, REQUEST_REPEAT_PASSPHRASE);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_REPEAT_PASSPHRASE) {
if (resultCode != Activity.RESULT_OK) {
return;
}
if (mIndex < mIdsForRepeatAskPassphrase.size()) {
startPassphraseActivity();
return;
}
long[] idsForMultiExport = new long[mIdsForRepeatAskPassphrase.size()];
for (int i = 0; i < mIdsForRepeatAskPassphrase.size(); ++i) {
idsForMultiExport[i] = mIdsForRepeatAskPassphrase.get(i);
}
mExportHelper.showExportKeysDialog(idsForMultiExport,
Constants.Path.APP_DIR_FILE,
mAdapter.isAnySecretSelected());
}
if (requestCode == REQUEST_ACTION) {
// if a result has been returned, display a notify
if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) {
OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
result.createNotify(getActivity()).show();
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
@Override
public void fabMoveUp(int height) {
ObjectAnimator anim = ObjectAnimator.ofFloat(mFab, "translationY", 0, -height);
// we're a little behind, so skip 1/10 of the time
anim.setDuration(270);
anim.start();
}
@Override
public void fabRestorePosition() {
ObjectAnimator anim = ObjectAnimator.ofFloat(mFab, "translationY", 0);
// we're a little ahead, so wait a few ms
anim.setStartDelay(70);
anim.setDuration(300);
anim.start();
}
public class KeyListAdapter extends KeyAdapter implements StickyListHeadersAdapter {
private HashMap<Integer, Boolean> mSelection = new HashMap<>();
public KeyListAdapter(Context context, Cursor c, int flags) {
super(context, c, flags);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View view = super.newView(context, cursor, parent);
final KeyItemViewHolder holder = (KeyItemViewHolder) view.getTag();
holder.mSlinger.setVisibility(View.VISIBLE);
holder.mSlingerButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (holder.mMasterKeyId != null) {
Intent safeSlingerIntent = new Intent(mContext, SafeSlingerActivity.class);
safeSlingerIntent.putExtra(SafeSlingerActivity.EXTRA_MASTER_KEY_ID, holder.mMasterKeyId);
startActivityForResult(safeSlingerIntent, REQUEST_ACTION);
}
}
});
return view;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// let the adapter handle setting up the row views
View v = super.getView(position, convertView, parent);
if (mSelection.get(position) != null) {
// selected position color
v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
} else {
// default color
v.setBackgroundColor(Color.TRANSPARENT);
}
return v;
}
private class HeaderViewHolder {
TextView mText;
TextView mCount;
}
/**
* Creates a new header view and binds the section headers to it. It uses the ViewHolder
* pattern. Most functionality is similar to getView() from Android's CursorAdapter.
* <p/>
* NOTE: The variables mDataValid and mCursor are available due to the super class
* CursorAdapter.
*/
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
HeaderViewHolder holder;
if (convertView == null) {
holder = new HeaderViewHolder();
convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
holder.mText = (TextView) convertView.findViewById(R.id.stickylist_header_text);
holder.mCount = (TextView) convertView.findViewById(R.id.contacts_num);
convertView.setTag(holder);
} else {
holder = (HeaderViewHolder) convertView.getTag();
}
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return convertView;
}
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
if (mCursor.getInt(INDEX_HAS_ANY_SECRET) != 0) {
{ // set contact count
int num = mCursor.getCount();
String contactsTotal = mContext.getResources().getQuantityString(R.plurals.n_keys, num, num);
holder.mCount.setText(contactsTotal);
holder.mCount.setVisibility(View.VISIBLE);
}
holder.mText.setText(convertView.getResources().getString(R.string.my_keys));
return convertView;
}
// set header text as first char in user id
String userId = mCursor.getString(INDEX_USER_ID);
String headerText = convertView.getResources().getString(R.string.user_id_no_name);
if (userId != null && userId.length() > 0) {
headerText = "" + userId.charAt(0);
}
holder.mText.setText(headerText);
holder.mCount.setVisibility(View.GONE);
return convertView;
}
/**
* Header IDs should be static, position=1 should always return the same Id that is.
*/
@Override
public long getHeaderId(int position) {
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return -1;
}
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
// early breakout: all secret keys are assigned id 0
if (mCursor.getInt(INDEX_HAS_ANY_SECRET) != 0) {
return 1L;
}
// otherwise, return the first character of the name as ID
String userId = mCursor.getString(INDEX_USER_ID);
if (userId != null && userId.length() > 0) {
return Character.toUpperCase(userId.charAt(0));
} else {
return Long.MAX_VALUE;
}
}
/**
* -------------------------- MULTI-SELECTION METHODS --------------
*/
public void setNewSelection(int position, boolean value) {
mSelection.put(position, value);
notifyDataSetChanged();
}
public boolean isAnySecretSelected() {
for (int pos : mSelection.keySet()) {
if (isSecretAvailable(pos))
return true;
}
return false;
}
public long[] getCurrentSelectedMasterKeyIds() {
long[] ids = new long[mSelection.size()];
int i = 0;
// get master key ids
for (int pos : mSelection.keySet()) {
ids[i++] = getMasterKeyId(pos);
}
return ids;
}
public void removeSelection(int position) {
mSelection.remove(position);
notifyDataSetChanged();
}
public void clearSelection() {
mSelection.clear();
notifyDataSetChanged();
}
}
}