diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsAllowedKeysListFragment.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsAllowedKeysListFragment.java | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsAllowedKeysListFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsAllowedKeysListFragment.java new file mode 100644 index 000000000..13b242a5e --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsAllowedKeysListFragment.java @@ -0,0 +1,292 @@ +/* + * Copyright (C) 2015 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.remote.ui; + +import android.content.Context; +import android.content.OperationApplicationException; +import android.database.Cursor; +import android.database.DatabaseUtils; +import android.net.Uri; +import android.os.Bundle; +import android.os.RemoteException; +import android.support.v4.app.LoaderManager; +import android.support.v4.content.CursorLoader; +import android.support.v4.content.Loader; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ListView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.compatibility.ListFragmentWorkaround; +import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; +import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.adapter.SelectKeyCursorAdapter; +import org.sufficientlysecure.keychain.ui.widget.FixedListView; +import org.sufficientlysecure.keychain.util.Log; + +import java.util.HashSet; +import java.util.Iterator; +import java.util.Set; +import java.util.Vector; + +public class AppSettingsAllowedKeysListFragment extends ListFragmentWorkaround implements LoaderManager.LoaderCallbacks<Cursor> { + private static final String ARG_DATA_URI = "uri"; + + private SelectKeyCursorAdapter mAdapter; + private Set<Long> mSelectedMasterKeyIds; + private ProviderHelper mProviderHelper; + + private Uri mDataUri; + + /** + * Creates new instance of this fragment + */ + public static AppSettingsAllowedKeysListFragment newInstance(Uri dataUri) { + AppSettingsAllowedKeysListFragment frag = new AppSettingsAllowedKeysListFragment(); + Bundle args = new Bundle(); + + args.putParcelable(ARG_DATA_URI, dataUri); + + frag.setArguments(args); + + return frag; + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + mProviderHelper = new ProviderHelper(getActivity()); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + View layout = super.onCreateView(inflater, container, + savedInstanceState); + ListView lv = (ListView) layout.findViewById(android.R.id.list); + ViewGroup parent = (ViewGroup) lv.getParent(); + + /* + * http://stackoverflow.com/a/15880684 + * Remove ListView and add FixedListView in its place. + * This is done here programatically to be still able to use the progressBar of ListFragment. + * + * We want FixedListView to be able to put this ListFragment inside a ScrollView + */ + int lvIndex = parent.indexOfChild(lv); + parent.removeViewAt(lvIndex); + FixedListView newLv = new FixedListView(getActivity()); + newLv.setId(android.R.id.list); + parent.addView(newLv, lvIndex, lv.getLayoutParams()); + return layout; + } + + /** + * Define Adapter and Loader on create of Activity + */ + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + mDataUri = getArguments().getParcelable(ARG_DATA_URI); + + getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); + + // 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)); + + mAdapter = new SecretKeyCursorAdapter(getActivity(), null, 0, getListView()); + + setListAdapter(mAdapter); + + // Start out with a progress indicator. + setListShown(false); + + mSelectedMasterKeyIds = mProviderHelper.getAllKeyIdsForApp(mDataUri); + Log.d(Constants.TAG, "allowed: " + mSelectedMasterKeyIds.toString()); + + // Prepare the loader. Either re-connect with an existing one, + // or start a new one. + getLoaderManager().initLoader(0, null, this); + } + + /** + * Selects items based on master key ids in list view + * + * @param masterKeyIds + */ + private void preselectMasterKeyIds(Set<Long> masterKeyIds) { + for (int i = 0; i < getListView().getCount(); ++i) { + long listKeyId = mAdapter.getMasterKeyId(i); + for (long keyId : masterKeyIds) { + if (listKeyId == keyId) { + getListView().setItemChecked(i, true); + break; + } + } + } + } + + /** + * Returns all selected master key ids + * + * @return + */ + public Set<Long> getSelectedMasterKeyIds() { + // mListView.getCheckedItemIds() would give the row ids of the KeyRings not the master key + // ids! + Set<Long> keyIds = new HashSet<>(); + for (int i = 0; i < getListView().getCount(); ++i) { + if (getListView().isItemChecked(i)) { + keyIds.add(mAdapter.getMasterKeyId(i)); + } + } + + return keyIds; + } + + /** + * Returns all selected user ids + * + * @return + */ + public String[] getSelectedUserIds() { + Vector<String> userIds = new Vector<>(); + for (int i = 0; i < getListView().getCount(); ++i) { + if (getListView().isItemChecked(i)) { + userIds.add(mAdapter.getUserId(i)); + } + } + + // make empty array to not return null + String userIdArray[] = new String[0]; + return userIds.toArray(userIdArray); + } + + public void saveAllowedKeys() { + try { + mProviderHelper.saveAllowedKeyIdsForApp(mDataUri, getSelectedMasterKeyIds()); + } catch (RemoteException | OperationApplicationException e) { + Log.e(Constants.TAG, "Problem saving allowed key ids!", e); + } + } + + @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_ANY_SECRET, + }; + + String inMasterKeyList = null; + if (mSelectedMasterKeyIds != null && mSelectedMasterKeyIds.size() > 0) { + inMasterKeyList = Tables.KEYS + "." + KeyRings.MASTER_KEY_ID + " IN ("; + Iterator iter = mSelectedMasterKeyIds.iterator(); + while (iter.hasNext()) { + inMasterKeyList += DatabaseUtils.sqlEscapeString("" + iter.next()); + if (iter.hasNext()) { + inMasterKeyList += ", "; + } + } + inMasterKeyList += ")"; + } + + String selection = KeyRings.HAS_ANY_SECRET + " != 0"; + + String orderBy = KeyRings.USER_ID + " ASC"; + if (inMasterKeyList != null) { + // sort by selected master keys + orderBy = inMasterKeyList + " DESC, " + orderBy; + } + // 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, selection, null, 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.) + mAdapter.swapCursor(data); + + // The list should now be shown. + if (isResumed()) { + setListShown(true); + } else { + setListShownNoAnimation(true); + } + + // preselect given master keys + 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. + mAdapter.swapCursor(null); + } + + private class SecretKeyCursorAdapter extends SelectKeyCursorAdapter { + + public SecretKeyCursorAdapter(Context context, Cursor c, int flags, ListView listView) { + super(context, c, flags, listView); + } + + @Override + protected void initIndex(Cursor cursor) { + super.initIndex(cursor); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + super.bindView(view, context, cursor); + ViewHolderItem h = (ViewHolderItem) view.getTag(); + + // We care about the checkbox + h.selected.setVisibility(View.VISIBLE); + // the getListView works because this is not a static subclass! + h.selected.setChecked(getListView().isItemChecked(cursor.getPosition())); + + boolean enabled = false; + if ((Boolean) h.statusIcon.getTag()) { + h.statusIcon.setVisibility(View.GONE); + enabled = true; + } + + h.setEnabled(enabled); + } + + } + +} |