mirror of
https://code.briarproject.org/briar/briar.git
synced 2026-02-13 03:09:04 +01:00
Changed the root package from net.sf.briar to org.briarproject.
This commit is contained in:
akwizgran
@@ -0,0 +1,299 @@
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package org.briarproject.android.groups;
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import static android.text.InputType.TYPE_CLASS_TEXT;
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import static android.text.InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
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import static android.view.Gravity.CENTER_VERTICAL;
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import static android.widget.LinearLayout.HORIZONTAL;
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import static android.widget.LinearLayout.VERTICAL;
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import static android.widget.Toast.LENGTH_LONG;
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import static java.util.logging.Level.INFO;
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import static java.util.logging.Level.WARNING;
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import static org.briarproject.android.util.CommonLayoutParams.MATCH_WRAP;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.security.GeneralSecurityException;
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import java.util.Collection;
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import java.util.concurrent.Executor;
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import java.util.logging.Logger;
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import javax.inject.Inject;
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import org.briarproject.R;
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import org.briarproject.android.identity.CreateIdentityActivity;
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import org.briarproject.android.identity.LocalAuthorItem;
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import org.briarproject.android.identity.LocalAuthorItemComparator;
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import org.briarproject.android.identity.LocalAuthorSpinnerAdapter;
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import org.briarproject.android.util.HorizontalSpace;
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import org.briarproject.api.AuthorId;
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import org.briarproject.api.LocalAuthor;
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import org.briarproject.api.android.DatabaseUiExecutor;
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import org.briarproject.api.crypto.CryptoComponent;
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import org.briarproject.api.crypto.CryptoExecutor;
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import org.briarproject.api.crypto.KeyParser;
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import org.briarproject.api.crypto.PrivateKey;
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import org.briarproject.api.db.DatabaseComponent;
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import org.briarproject.api.db.DbException;
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import org.briarproject.api.lifecycle.LifecycleManager;
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import org.briarproject.api.messaging.Group;
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import org.briarproject.api.messaging.GroupId;
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import org.briarproject.api.messaging.Message;
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import org.briarproject.api.messaging.MessageFactory;
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import org.briarproject.api.messaging.MessageId;
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import roboguice.activity.RoboActivity;
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import android.content.Intent;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.text.InputType;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.TextView;
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import android.widget.Toast;
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public class WriteGroupPostActivity extends RoboActivity
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implements OnItemSelectedListener, OnClickListener {
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private static final Logger LOG =
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Logger.getLogger(WriteGroupPostActivity.class.getName());
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private LocalAuthorSpinnerAdapter adapter = null;
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private Spinner spinner = null;
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private ImageButton sendButton = null;
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private TextView to = null;
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private EditText content = null;
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private AuthorId localAuthorId = null;
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private GroupId groupId = null;
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// Fields that are accessed from background threads must be volatile
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@Inject private volatile DatabaseComponent db;
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@Inject @DatabaseUiExecutor private volatile Executor dbUiExecutor;
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@Inject private volatile LifecycleManager lifecycleManager;
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@Inject @CryptoExecutor private volatile Executor cryptoExecutor;
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@Inject private volatile CryptoComponent crypto;
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@Inject private volatile MessageFactory messageFactory;
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private volatile MessageId parentId = null;
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private volatile long timestamp = -1;
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private volatile LocalAuthor localAuthor = null;
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private volatile Group group = null;
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@Override
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public void onCreate(Bundle state) {
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super.onCreate(state);
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Intent i = getIntent();
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byte[] b = i.getByteArrayExtra("org.briarproject.GROUP_ID");
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if(b == null) throw new IllegalStateException();
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groupId = new GroupId(b);
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b = i.getByteArrayExtra("org.briarproject.PARENT_ID");
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if(b != null) parentId = new MessageId(b);
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timestamp = i.getLongExtra("org.briarproject.TIMESTAMP", -1);
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if(state != null) {
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b = state.getByteArray("org.briarproject.LOCAL_AUTHOR_ID");
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if(b != null) localAuthorId = new AuthorId(b);
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}
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LinearLayout layout = new LinearLayout(this);
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layout.setLayoutParams(MATCH_WRAP);
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layout.setOrientation(VERTICAL);
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LinearLayout header = new LinearLayout(this);
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header.setLayoutParams(MATCH_WRAP);
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header.setOrientation(HORIZONTAL);
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header.setGravity(CENTER_VERTICAL);
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TextView from = new TextView(this);
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from.setTextSize(18);
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from.setPadding(10, 10, 0, 10);
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from.setText(R.string.from);
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header.addView(from);
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adapter = new LocalAuthorSpinnerAdapter(this, true);
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spinner = new Spinner(this);
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spinner.setAdapter(adapter);
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spinner.setOnItemSelectedListener(this);
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header.addView(spinner);
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header.addView(new HorizontalSpace(this));
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sendButton = new ImageButton(this);
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sendButton.setBackgroundResource(0);
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sendButton.setImageResource(R.drawable.social_send_now);
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sendButton.setEnabled(false); // Enabled after loading the group
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sendButton.setOnClickListener(this);
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header.addView(sendButton);
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layout.addView(header);
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to = new TextView(this);
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to.setTextSize(18);
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to.setPadding(10, 0, 10, 10);
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to.setText(R.string.to);
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layout.addView(to);
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content = new EditText(this);
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content.setId(1);
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int inputType = TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_MULTI_LINE
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| TYPE_TEXT_FLAG_CAP_SENTENCES;
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content.setInputType(inputType);
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layout.addView(content);
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setContentView(layout);
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}
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@Override
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public void onResume() {
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super.onResume();
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loadAuthorsAndGroup();
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}
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private void loadAuthorsAndGroup() {
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dbUiExecutor.execute(new Runnable() {
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public void run() {
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try {
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lifecycleManager.waitForDatabase();
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long now = System.currentTimeMillis();
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Collection<LocalAuthor> localAuthors = db.getLocalAuthors();
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group = db.getGroup(groupId);
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long duration = System.currentTimeMillis() - now;
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if(LOG.isLoggable(INFO))
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LOG.info("Load took " + duration + " ms");
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displayAuthorsAndGroup(localAuthors);
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} catch(DbException e) {
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if(LOG.isLoggable(WARNING))
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LOG.log(WARNING, e.toString(), e);
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} catch(InterruptedException e) {
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LOG.info("Interrupted while waiting for database");
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Thread.currentThread().interrupt();
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}
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}
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});
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}
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private void displayAuthorsAndGroup(
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final Collection<LocalAuthor> localAuthors) {
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runOnUiThread(new Runnable() {
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public void run() {
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if(localAuthors.isEmpty()) throw new IllegalStateException();
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adapter.clear();
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for(LocalAuthor a : localAuthors)
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adapter.add(new LocalAuthorItem(a));
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adapter.sort(LocalAuthorItemComparator.INSTANCE);
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adapter.notifyDataSetChanged();
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int count = adapter.getCount();
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for(int i = 0; i < count; i++) {
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LocalAuthorItem item = adapter.getItem(i);
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if(item == LocalAuthorItem.ANONYMOUS) continue;
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if(item == LocalAuthorItem.NEW) continue;
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if(item.getLocalAuthor().getId().equals(localAuthorId)) {
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localAuthor = item.getLocalAuthor();
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spinner.setSelection(i);
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break;
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}
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}
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Resources res = getResources();
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String format = res.getString(R.string.format_to);
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to.setText(String.format(format, group.getName()));
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sendButton.setEnabled(true);
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}
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});
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}
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@Override
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public void onSaveInstanceState(Bundle state) {
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super.onSaveInstanceState(state);
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if(localAuthorId != null) {
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byte[] b = localAuthorId.getBytes();
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state.putByteArray("org.briarproject.LOCAL_AUTHOR_ID", b);
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}
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}
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public void onItemSelected(AdapterView<?> parent, View view, int position,
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long id) {
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LocalAuthorItem item = adapter.getItem(position);
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if(item == LocalAuthorItem.ANONYMOUS) {
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localAuthor = null;
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localAuthorId = null;
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} else if(item == LocalAuthorItem.NEW) {
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localAuthor = null;
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localAuthorId = null;
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startActivity(new Intent(this, CreateIdentityActivity.class));
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} else {
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localAuthor = item.getLocalAuthor();
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localAuthorId = localAuthor.getId();
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}
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}
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public void onNothingSelected(AdapterView<?> parent) {
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localAuthor = null;
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localAuthorId = null;
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}
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public void onClick(View view) {
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if(group == null) throw new IllegalStateException();
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try {
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createMessage(content.getText().toString().getBytes("UTF-8"));
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} catch(UnsupportedEncodingException e) {
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throw new RuntimeException(e);
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}
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Toast.makeText(this, R.string.post_sent_toast, LENGTH_LONG).show();
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finish();
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}
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private void createMessage(final byte[] body) {
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cryptoExecutor.execute(new Runnable() {
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public void run() {
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// Don't use an earlier timestamp than the parent
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long time = System.currentTimeMillis();
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time = Math.max(time, timestamp + 1);
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Message m;
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try {
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if(localAuthor == null) {
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m = messageFactory.createAnonymousMessage(parentId,
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group, "text/plain", time, body);
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} else {
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KeyParser keyParser = crypto.getSignatureKeyParser();
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byte[] b = localAuthor.getPrivateKey();
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PrivateKey authorKey = keyParser.parsePrivateKey(b);
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m = messageFactory.createPseudonymousMessage(parentId,
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group, localAuthor, authorKey, "text/plain",
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time, body);
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}
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} catch(GeneralSecurityException e) {
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throw new RuntimeException(e);
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} catch(IOException e) {
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throw new RuntimeException(e);
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}
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storeMessage(m);
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}
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});
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}
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private void storeMessage(final Message m) {
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dbUiExecutor.execute(new Runnable() {
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public void run() {
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try {
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lifecycleManager.waitForDatabase();
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long now = System.currentTimeMillis();
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db.addLocalMessage(m);
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long duration = System.currentTimeMillis() - now;
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if(LOG.isLoggable(INFO))
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LOG.info("Storing message took " + duration + " ms");
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} catch(DbException e) {
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if(LOG.isLoggable(WARNING))
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LOG.log(WARNING, e.toString(), e);
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} catch(InterruptedException e) {
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if(LOG.isLoggable(INFO))
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LOG.info("Interrupted while waiting for database");
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Thread.currentThread().interrupt();
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}
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}
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});
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}
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}
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