178 lines
5.7 KiB
Java
178 lines
5.7 KiB
Java
/*
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* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sufficientlysecure.keychain.ui;
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import java.io.ByteArrayInputStream;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.util.List;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.ui.adapter.ImportKeysAdapter;
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import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListEntry;
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import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListLoader;
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import org.sufficientlysecure.keychain.util.InputData;
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import org.sufficientlysecure.keychain.util.Log;
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import android.app.Activity;
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import android.os.Bundle;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.Loader;
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import android.view.View;
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import android.widget.ListView;
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import com.actionbarsherlock.app.SherlockListFragment;
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public class ImportKeysListFragment extends SherlockListFragment implements
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LoaderManager.LoaderCallbacks<List<ImportKeysListEntry>> {
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private static final String ARG_FILENAME = "filename";
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private static final String ARG_BYTES = "bytes";
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private Activity mActivity;
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private ImportKeysAdapter mAdapter;
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private byte[] mKeyBytes;
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private String mImportFilename;
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public byte[] getKeyBytes() {
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return mKeyBytes;
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}
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public String getImportFilename() {
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return mImportFilename;
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}
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public List<ImportKeysListEntry> getData() {
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return mAdapter.getData();
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}
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/**
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* Creates new instance of this fragment
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*/
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public static ImportKeysListFragment newInstance(byte[] bytes, String filename) {
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ImportKeysListFragment frag = new ImportKeysListFragment();
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Bundle args = new Bundle();
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args.putByteArray(ARG_BYTES, bytes);
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args.putString(ARG_FILENAME, filename);
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frag.setArguments(args);
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return frag;
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}
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/**
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* Define Adapter and Loader on create of Activity
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*/
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mActivity = getActivity();
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if (getArguments() != null) {
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mImportFilename = getArguments().getString(ARG_FILENAME);
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mKeyBytes = getArguments().getByteArray(ARG_BYTES);
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}
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// Give some text to display if there is no data. In a real
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// application this would come from a resource.
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setEmptyText(mActivity.getString(R.string.error_nothing_import));
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// Create an empty adapter we will use to display the loaded data.
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mAdapter = new ImportKeysAdapter(mActivity);
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setListAdapter(mAdapter);
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// Start out with a progress indicator.
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setListShown(false);
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// Prepare the loader. Either re-connect with an existing one,
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// or start a new one.
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// give arguments to onCreateLoader()
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getLoaderManager().initLoader(0, null, this);
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}
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@Override
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public void onListItemClick(ListView l, View v, int position, long id) {
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super.onListItemClick(l, v, position, id);
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// Select checkbox!
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// Update underlying data and notify adapter of change. The adapter will
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// update the view automatically.
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ImportKeysListEntry entry = mAdapter.getItem(position);
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entry.setSelected(!entry.isSelected());
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mAdapter.notifyDataSetChanged();
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}
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public void loadNew(byte[] importData, String importFilename) {
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this.mKeyBytes = importData;
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this.mImportFilename = importFilename;
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getLoaderManager().restartLoader(0, null, this);
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}
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@Override
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public Loader<List<ImportKeysListEntry>> onCreateLoader(int id, Bundle args) {
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InputData inputData = getInputData(mKeyBytes, mImportFilename);
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return new ImportKeysListLoader(mActivity, inputData);
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}
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private InputData getInputData(byte[] importBytes, String importFilename) {
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InputData inputData = null;
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if (importBytes != null) {
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inputData = new InputData(new ByteArrayInputStream(importBytes), importBytes.length);
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} else if (importFilename != null) {
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try {
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inputData = new InputData(new FileInputStream(importFilename),
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importFilename.length());
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} catch (FileNotFoundException e) {
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Log.e(Constants.TAG, "Failed to init FileInputStream!", e);
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}
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}
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return inputData;
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}
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@Override
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public void onLoadFinished(Loader<List<ImportKeysListEntry>> loader,
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List<ImportKeysListEntry> data) {
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Log.d(Constants.TAG, "data: " + data);
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// swap in the real data!
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mAdapter.setData(data);
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mAdapter.notifyDataSetChanged();
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setListAdapter(mAdapter);
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// The list should now be shown.
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if (isResumed()) {
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setListShown(true);
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} else {
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setListShownNoAnimation(true);
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}
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}
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@Override
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public void onLoaderReset(Loader<List<ImportKeysListEntry>> loader) {
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// Clear the data in the adapter.
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mAdapter.clear();
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}
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}
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