mirror of
https://code.briarproject.org/briar/briar.git
synced 2026-02-12 18:59:06 +01:00
Changed the root package from net.sf.briar to org.briarproject.
This commit is contained in:
akwizgran
@@ -0,0 +1,237 @@
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package org.briarproject.android.groups;
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import static android.view.Gravity.CENTER_HORIZONTAL;
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import static android.view.View.GONE;
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import static android.view.View.VISIBLE;
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import static android.widget.LinearLayout.VERTICAL;
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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.groups.ReadGroupPostActivity.RESULT_NEXT;
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import static org.briarproject.android.groups.ReadGroupPostActivity.RESULT_PREV;
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import static org.briarproject.android.util.CommonLayoutParams.MATCH_MATCH;
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import static org.briarproject.android.util.CommonLayoutParams.MATCH_WRAP_1;
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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.AscendingHeaderComparator;
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import org.briarproject.android.util.HorizontalBorder;
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import org.briarproject.android.util.ListLoadingProgressBar;
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import org.briarproject.api.Author;
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import org.briarproject.api.android.DatabaseUiExecutor;
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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.db.MessageHeader;
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import org.briarproject.api.db.NoSuchSubscriptionException;
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import org.briarproject.api.event.Event;
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import org.briarproject.api.event.EventListener;
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import org.briarproject.api.event.MessageAddedEvent;
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import org.briarproject.api.event.MessageExpiredEvent;
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import org.briarproject.api.event.SubscriptionRemovedEvent;
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import org.briarproject.api.lifecycle.LifecycleManager;
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import org.briarproject.api.messaging.GroupId;
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import roboguice.activity.RoboActivity;
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import android.content.Intent;
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import android.os.Bundle;
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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.OnItemClickListener;
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import android.widget.ImageButton;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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public class GroupActivity extends RoboActivity implements EventListener,
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OnClickListener, OnItemClickListener {
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private static final Logger LOG =
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Logger.getLogger(GroupActivity.class.getName());
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private String groupName = null;
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private GroupAdapter adapter = null;
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private ListView list = null;
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private ListLoadingProgressBar loading = 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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private volatile GroupId groupId = 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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groupName = i.getStringExtra("org.briarproject.GROUP_NAME");
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if(groupName == null) throw new IllegalStateException();
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setTitle(groupName);
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LinearLayout layout = new LinearLayout(this);
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layout.setLayoutParams(MATCH_MATCH);
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layout.setOrientation(VERTICAL);
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layout.setGravity(CENTER_HORIZONTAL);
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adapter = new GroupAdapter(this);
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list = new ListView(this);
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// Give me all the width and all the unused height
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list.setLayoutParams(MATCH_WRAP_1);
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list.setAdapter(adapter);
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list.setOnItemClickListener(this);
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layout.addView(list);
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// Show a progress bar while the list is loading
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list.setVisibility(GONE);
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loading = new ListLoadingProgressBar(this);
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layout.addView(loading);
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layout.addView(new HorizontalBorder(this));
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ImageButton composeButton = new ImageButton(this);
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composeButton.setBackgroundResource(0);
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composeButton.setImageResource(R.drawable.content_new_email);
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composeButton.setOnClickListener(this);
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layout.addView(composeButton);
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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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db.addListener(this);
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loadHeaders();
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}
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private void loadHeaders() {
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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<MessageHeader> headers =
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db.getMessageHeaders(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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displayHeaders(headers);
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} catch(NoSuchSubscriptionException e) {
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if(LOG.isLoggable(INFO)) LOG.info("Subscription removed");
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runOnUiThread(new Runnable() {
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public void run() {
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finish();
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}
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});
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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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private void displayHeaders(final Collection<MessageHeader> headers) {
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runOnUiThread(new Runnable() {
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public void run() {
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list.setVisibility(VISIBLE);
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loading.setVisibility(GONE);
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adapter.clear();
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for(MessageHeader h : headers) adapter.add(h);
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adapter.sort(AscendingHeaderComparator.INSTANCE);
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adapter.notifyDataSetChanged();
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selectFirstUnread();
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}
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});
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}
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private void selectFirstUnread() {
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int firstUnread = -1, count = adapter.getCount();
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for(int i = 0; i < count; i++) {
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if(!adapter.getItem(i).isRead()) {
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firstUnread = i;
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break;
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}
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}
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if(firstUnread == -1) list.setSelection(count - 1);
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else list.setSelection(firstUnread);
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}
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@Override
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public void onActivityResult(int request, int result, Intent data) {
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if(result == RESULT_PREV) {
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int position = request - 1;
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if(position >= 0 && position < adapter.getCount())
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displayMessage(position);
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} else if(result == RESULT_NEXT) {
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int position = request + 1;
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if(position >= 0 && position < adapter.getCount())
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displayMessage(position);
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}
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}
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@Override
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public void onPause() {
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super.onPause();
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db.removeListener(this);
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}
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public void eventOccurred(Event e) {
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if(e instanceof MessageAddedEvent) {
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if(((MessageAddedEvent) e).getGroup().getId().equals(groupId)) {
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if(LOG.isLoggable(INFO)) LOG.info("Message added, reloading");
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loadHeaders();
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}
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} else if(e instanceof MessageExpiredEvent) {
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if(LOG.isLoggable(INFO)) LOG.info("Message expired, reloading");
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loadHeaders();
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} else if(e instanceof SubscriptionRemovedEvent) {
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SubscriptionRemovedEvent s = (SubscriptionRemovedEvent) e;
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if(s.getGroup().getId().equals(groupId)) {
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if(LOG.isLoggable(INFO)) LOG.info("Subscription removed");
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runOnUiThread(new Runnable() {
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public void run() {
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finish();
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}
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});
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}
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}
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}
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public void onClick(View view) {
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Intent i = new Intent(this, WriteGroupPostActivity.class);
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i.putExtra("org.briarproject.GROUP_ID", groupId.getBytes());
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startActivity(i);
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}
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public void onItemClick(AdapterView<?> parent, View view, int position,
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long id) {
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displayMessage(position);
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}
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private void displayMessage(int position) {
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MessageHeader item = adapter.getItem(position);
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Intent i = new Intent(this, ReadGroupPostActivity.class);
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i.putExtra("org.briarproject.GROUP_ID", groupId.getBytes());
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i.putExtra("org.briarproject.GROUP_NAME", groupName);
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i.putExtra("org.briarproject.MESSAGE_ID", item.getId().getBytes());
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Author author = item.getAuthor();
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if(author != null) {
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i.putExtra("org.briarproject.AUTHOR_ID", author.getId().getBytes());
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i.putExtra("org.briarproject.AUTHOR_NAME", author.getName());
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}
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i.putExtra("org.briarproject.CONTENT_TYPE", item.getContentType());
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i.putExtra("org.briarproject.TIMESTAMP", item.getTimestamp());
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startActivityForResult(i, position);
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}
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}
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