mirror of
https://code.briarproject.org/briar/briar.git
synced 2026-02-13 11:19:04 +01:00
Changed the root package from net.sf.briar to org.briarproject.
This commit is contained in:
akwizgran
@@ -0,0 +1,391 @@
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package org.briarproject.android;
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import static android.text.InputType.TYPE_CLASS_TEXT;
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import static android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
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import static android.view.Gravity.CENTER;
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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.view.ViewGroup.LayoutParams.MATCH_PARENT;
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import static android.view.inputmethod.InputMethodManager.HIDE_IMPLICIT_ONLY;
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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.util.CommonLayoutParams.MATCH_MATCH;
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import static org.briarproject.android.util.CommonLayoutParams.WRAP_WRAP;
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import java.util.ArrayList;
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import java.util.List;
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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.BriarService.BriarBinder;
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import org.briarproject.android.BriarService.BriarServiceConnection;
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import org.briarproject.android.contact.ContactListActivity;
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import org.briarproject.android.groups.GroupListActivity;
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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.android.ReferenceManager;
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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.db.DatabaseComponent;
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import org.briarproject.api.db.DatabaseConfig;
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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.util.StringUtils;
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import roboguice.activity.RoboActivity;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.text.Editable;
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import android.view.KeyEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.BaseAdapter;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.GridView;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.TextView.OnEditorActionListener;
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public class HomeScreenActivity extends RoboActivity {
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// This build expires on 15 January 2014
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private static final long EXPIRY_DATE = 1389657600 * 1000L;
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private static final Logger LOG =
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Logger.getLogger(HomeScreenActivity.class.getName());
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private final BriarServiceConnection serviceConnection =
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new BriarServiceConnection();
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@Inject private ReferenceManager referenceManager;
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@Inject private DatabaseConfig databaseConfig;
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@Inject @DatabaseUiExecutor private Executor dbUiExecutor;
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@Inject @CryptoExecutor private Executor cryptoExecutor;
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private boolean bound = false;
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private TextView enterPassword = null;
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private Button continueButton = null;
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private ProgressBar progress = null;
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// Fields that are accessed from background threads must be volatile
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@Inject private volatile CryptoComponent crypto;
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@Inject private volatile DatabaseComponent db;
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@Inject private volatile LifecycleManager lifecycleManager;
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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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long handle = i.getLongExtra("org.briarproject.LOCAL_AUTHOR_HANDLE", -1);
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if(handle != -1) {
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// The activity was launched from the setup wizard
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if(System.currentTimeMillis() < EXPIRY_DATE) {
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showSpinner();
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startService(new Intent(BriarService.class.getName()));
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bindService();
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LocalAuthor a = referenceManager.removeReference(handle,
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LocalAuthor.class);
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// The reference may be null if the activity has been recreated,
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// for example due to screen rotation
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if(a == null) showButtons();
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else storeLocalAuthor(a);
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} else {
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showExpiryWarning();
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}
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} else if(databaseConfig.getEncryptionKey() == null) {
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// The activity was launched from the splash screen
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if(System.currentTimeMillis() < EXPIRY_DATE) showPasswordPrompt();
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else showExpiryWarning();
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} else {
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// The activity has been launched before
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showButtons();
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bindService();
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}
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}
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private void showSpinner() {
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LinearLayout layout = new LinearLayout(this);
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layout.setLayoutParams(MATCH_MATCH);
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layout.setGravity(CENTER);
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ProgressBar progress = new ProgressBar(this);
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progress.setIndeterminate(true);
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layout.addView(progress);
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setContentView(layout);
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}
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private void bindService() {
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bound = bindService(new Intent(BriarService.class.getName()),
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serviceConnection, 0);
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}
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private void quit() {
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new Thread() {
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@Override
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public void run() {
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try {
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// Wait for the service to finish starting up
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IBinder binder = serviceConnection.waitForBinder();
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BriarService service = ((BriarBinder) binder).getService();
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service.waitForStartup();
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// Shut down the service and wait for it to shut down
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if(LOG.isLoggable(INFO)) LOG.info("Shutting down service");
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service.shutdown();
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service.waitForShutdown();
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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 service");
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}
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// Finish the activity and kill the JVM
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runOnUiThread(new Runnable() {
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public void run() {
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finish();
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if(LOG.isLoggable(INFO)) LOG.info("Exiting");
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System.exit(0);
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}
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});
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}
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}.start();
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}
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private void storeLocalAuthor(final LocalAuthor a) {
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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.addLocalAuthor(a);
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long duration = System.currentTimeMillis() - now;
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if(LOG.isLoggable(INFO))
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LOG.info("Storing author took " + duration + " ms");
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runOnUiThread(new Runnable() {
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public void run() {
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showButtons();
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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 showPasswordPrompt() {
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SharedPreferences prefs = getSharedPreferences("db", MODE_PRIVATE);
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String hex = prefs.getString("key", null);
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if(hex == null) throw new IllegalStateException();
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final byte[] encrypted = StringUtils.fromHexString(hex);
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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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enterPassword = new TextView(this);
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enterPassword.setGravity(CENTER);
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enterPassword.setTextSize(18);
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enterPassword.setPadding(10, 10, 10, 0);
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enterPassword.setText(R.string.enter_password);
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layout.addView(enterPassword);
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final EditText passwordEntry = new EditText(this);
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passwordEntry.setId(1);
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passwordEntry.setMaxLines(1);
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int inputType = TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD;
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passwordEntry.setInputType(inputType);
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passwordEntry.setOnEditorActionListener(new OnEditorActionListener() {
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public boolean onEditorAction(TextView v, int action, KeyEvent e) {
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validatePassword(encrypted, passwordEntry.getText());
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return true;
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}
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});
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layout.addView(passwordEntry);
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continueButton = new Button(this);
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continueButton.setLayoutParams(WRAP_WRAP);
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continueButton.setText(R.string.continue_button);
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continueButton.setOnClickListener(new OnClickListener() {
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public void onClick(View v) {
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validatePassword(encrypted, passwordEntry.getText());
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}
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});
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layout.addView(continueButton);
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progress = new ProgressBar(this);
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progress.setLayoutParams(WRAP_WRAP);
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progress.setIndeterminate(true);
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progress.setVisibility(GONE);
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layout.addView(progress);
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setContentView(layout);
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}
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private void validatePassword(final byte[] encrypted, Editable e) {
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if(enterPassword == null || continueButton == null || progress == null)
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return;
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// Hide the soft keyboard
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Object o = getSystemService(INPUT_METHOD_SERVICE);
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((InputMethodManager) o).toggleSoftInput(HIDE_IMPLICIT_ONLY, 0);
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// Replace the button with a progress bar
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continueButton.setVisibility(GONE);
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progress.setVisibility(VISIBLE);
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// Decrypt the database key in a background thread
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int length = e.length();
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final char[] password = new char[length];
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e.getChars(0, length, password, 0);
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e.delete(0, length);
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cryptoExecutor.execute(new Runnable() {
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public void run() {
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byte[] key = crypto.decryptWithPassword(encrypted, password);
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if(key == null) {
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tryAgain();
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} else {
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databaseConfig.setEncryptionKey(key);
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showButtonsAndStartService();
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}
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}
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});
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}
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private void tryAgain() {
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runOnUiThread(new Runnable() {
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public void run() {
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enterPassword.setText(R.string.try_again);
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continueButton.setVisibility(VISIBLE);
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progress.setVisibility(GONE);
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}
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});
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}
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private void showButtonsAndStartService() {
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runOnUiThread(new Runnable() {
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public void run() {
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showButtons();
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startService(new Intent(BriarService.class.getName()));
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bindService();
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}
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});
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}
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private void showExpiryWarning() {
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LinearLayout layout = new LinearLayout(this);
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layout.setLayoutParams(MATCH_MATCH);
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layout.setGravity(CENTER);
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TextView warning = new TextView(this);
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warning.setGravity(CENTER);
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warning.setTextSize(18);
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warning.setPadding(10, 10, 10, 10);
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warning.setText(R.string.expiry_warning);
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layout.addView(warning);
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setContentView(layout);
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}
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private void showButtons() {
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ListView.LayoutParams matchMatch =
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new ListView.LayoutParams(MATCH_PARENT, MATCH_PARENT);
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final List<Button> buttons = new ArrayList<Button>();
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Button contactsButton = new Button(this);
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contactsButton.setLayoutParams(matchMatch);
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contactsButton.setBackgroundResource(0);
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contactsButton.setCompoundDrawablesWithIntrinsicBounds(0,
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R.drawable.social_person, 0, 0);
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contactsButton.setText(R.string.contact_list_button);
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contactsButton.setOnClickListener(new OnClickListener() {
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public void onClick(View view) {
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startActivity(new Intent(HomeScreenActivity.this,
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ContactListActivity.class));
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}
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});
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buttons.add(contactsButton);
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Button forumsButton = new Button(this);
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forumsButton.setLayoutParams(matchMatch);
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forumsButton.setBackgroundResource(0);
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forumsButton.setCompoundDrawablesWithIntrinsicBounds(0,
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R.drawable.social_chat, 0, 0);
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forumsButton.setText(R.string.forums_button);
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forumsButton.setOnClickListener(new OnClickListener() {
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public void onClick(View view) {
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startActivity(new Intent(HomeScreenActivity.this,
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GroupListActivity.class));
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}
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});
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buttons.add(forumsButton);
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Button syncButton = new Button(this);
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syncButton.setLayoutParams(matchMatch);
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syncButton.setBackgroundResource(0);
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syncButton.setCompoundDrawablesWithIntrinsicBounds(0,
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R.drawable.navigation_refresh, 0, 0);
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syncButton.setText(R.string.synchronize_button);
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syncButton.setOnClickListener(new OnClickListener() {
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public void onClick(View view) {
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// FIXME: Crash testing, remove this
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throw new RuntimeException();
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}
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});
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buttons.add(syncButton);
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Button quitButton = new Button(this);
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quitButton.setLayoutParams(matchMatch);
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quitButton.setBackgroundResource(0);
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quitButton.setCompoundDrawablesWithIntrinsicBounds(0,
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R.drawable.device_access_accounts, 0, 0);
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quitButton.setText(R.string.quit_button);
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quitButton.setOnClickListener(new OnClickListener() {
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public void onClick(View view) {
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showSpinner();
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quit();
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}
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});
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buttons.add(quitButton);
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GridView grid = new GridView(this);
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grid.setLayoutParams(matchMatch);
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grid.setGravity(CENTER);
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grid.setPadding(5, 5, 5, 5);
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grid.setBackgroundColor(getResources().getColor(
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R.color.home_screen_background));
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grid.setNumColumns(2);
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grid.setAdapter(new BaseAdapter() {
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public int getCount() {
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return buttons.size();
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}
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public Object getItem(int position) {
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return buttons.get(position);
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}
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public long getItemId(int position) {
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return 0;
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}
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public View getView(int position, View convertView,
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ViewGroup parent) {
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return buttons.get(position);
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}
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});
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setContentView(grid);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if(bound) unbindService(serviceConnection);
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}
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}
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Reference in New Issue
Block a user