diff options
Diffstat (limited to 'OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java')
| -rw-r--r-- | OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java new file mode 100644 index 000000000..6ae2b9bf9 --- /dev/null +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListPublicFragment.java @@ -0,0 +1,299 @@ +/* + * 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.provider.ProviderHelper; +import org.sufficientlysecure.keychain.ui.adapter.KeyListPublicAdapter; +import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment; + +import se.emilsjolander.stickylistheaders.ApiLevelTooLowException; +import se.emilsjolander.stickylistheaders.StickyListHeadersListView; +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.Fragment; +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.LayoutInflater; +import android.view.Menu; +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 com.beardedhen.androidbootstrap.BootstrapButton; + +/** + * 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 KeyListPublicFragment extends Fragment implements AdapterView.OnItemClickListener, + LoaderManager.LoaderCallbacks<Cursor> { + + private KeyListPublicAdapter mAdapter; + private StickyListHeadersListView mStickyList; + + // empty layout + private BootstrapButton mButtonEmptyCreate; + private BootstrapButton mButtonEmptyImport; + + /** + * Load custom layout with StickyListView from library + */ + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.key_list_public_fragment, container, false); + + mButtonEmptyCreate = (BootstrapButton) view.findViewById(R.id.key_list_empty_button_create); + mButtonEmptyCreate.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + Intent intent = new Intent(getActivity(), EditKeyActivity.class); + intent.setAction(EditKeyActivity.ACTION_CREATE_KEY); + intent.putExtra(EditKeyActivity.EXTRA_GENERATE_DEFAULT_KEYS, true); + intent.putExtra(EditKeyActivity.EXTRA_USER_IDS, ""); // show user id view + startActivityForResult(intent, 0); + } + }); + + mButtonEmptyImport = (BootstrapButton) view.findViewById(R.id.key_list_empty_button_import); + mButtonEmptyImport.setOnClickListener(new OnClickListener() { + + @Override + public void onClick(View v) { + Intent intentImportFromFile = new Intent(getActivity(), ImportKeysActivity.class); + intentImportFromFile.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_FILE); + startActivityForResult(intentImportFromFile, 0); + } + }); + + return view; + } + + /** + * Define Adapter and Loader on create of Activity + */ + @SuppressLint("NewApi") + @Override + public void onActivityCreated(Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + + // mKeyListPublicActivity = (KeyListPublicActivity) getActivity(); + mStickyList = (StickyListHeadersListView) getActivity().findViewById(R.id.list); + + mStickyList.setOnItemClickListener(this); + mStickyList.setAreHeadersSticky(true); + mStickyList.setDrawingListUnderStickyHeader(false); + mStickyList.setFastScrollEnabled(true); + try { + mStickyList.setFastScrollAlwaysVisible(true); + } catch (ApiLevelTooLowException e) { + } + + // this view is made visible if no data is available + mStickyList.setEmptyView(getActivity().findViewById(R.id.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) { + mStickyList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL); + mStickyList.getWrappedList().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_public_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_encrypt: { + encrypt(ids); + + break; + } + 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); + } + + }); + } + + // NOTE: Not supported by StickyListHeader, thus no indicator is shown while loading + // Start out with a progress indicator. + // setListShown(false); + + // Create an empty adapter we will use to display the loaded data. + mAdapter = new KeyListPublicAdapter(getActivity(), null, Id.type.public_key, USER_ID_INDEX); + mStickyList.setAdapter(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 int USER_ID_INDEX = 2; + + static final String SORT_ORDER = UserIds.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.buildPublicKeyRingsUri(); + + // 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); + } + + @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); + + mStickyList.setAdapter(mAdapter); + + // NOTE: Not supported by StickyListHeader, thus no indicator is shown while loading + // The list should now be shown. + // if (isResumed()) { + // setListShown(true); + // } else { + // setListShownNoAnimation(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 = null; + if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { + viewIntent = new Intent(getActivity(), ViewKeyActivity.class); + } else { + viewIntent = new Intent(getActivity(), ViewKeyActivityJB.class); + } + viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(id))); + startActivity(viewIntent); + } + + public void encrypt(long[] keyRingRowIds) { + // get master key ids from row ids + long[] keyRingIds = new long[keyRingRowIds.length]; + for (int i = 0; i < keyRingRowIds.length; i++) { + keyRingIds[i] = ProviderHelper.getPublicMasterKeyId(getActivity(), keyRingRowIds[i]); + } + + Intent intent = new Intent(getActivity(), EncryptActivity.class); + intent.setAction(EncryptActivity.ACTION_ENCRYPT); + intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, keyRingIds); + // used instead of startActivity set actionbar based on callingPackage + startActivityForResult(intent, 0); + } + + /** + * Show dialog to delete key + * + * @param keyRingRowIds + */ + public void showDeleteKeyDialog(long[] keyRingRowIds) { + DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(null, + keyRingRowIds, Id.type.public_key); + + deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog"); + } + +}
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