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Code Issues Projects Releases Wiki Activity

Remove unused code, fix a null safety bug.

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This commit is contained in:
akwizgran
2020-04-27 16:34:49 +01:00
parent e4940a046a
commit f35e87c8ad
2 changed files with 16 additions and 145 deletions
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6
briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerViewModel.java
View File

@@ -5,10 +5,6 @@ import android.app.Application;
import org.briarproject.bramble.api.db.DatabaseExecutor;
import org.briarproject.bramble.api.db.DbException;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.BluetoothConstants;
import org.briarproject.bramble.api.plugin.LanTcpConstants;
import org.briarproject.bramble.api.plugin.TorConstants;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.settings.Settings;
import org.briarproject.bramble.api.settings.SettingsManager;
@@ -39,8 +35,6 @@ public class NavDrawerViewModel extends AndroidViewModel {
getLogger(NavDrawerViewModel.class.getName());
private static final String EXPIRY_DATE_WARNING = "expiryDateWarning";
static final TransportId[] TRANSPORT_IDS =
{TorConstants.ID, LanTcpConstants.ID, BluetoothConstants.ID};
@DatabaseExecutor
private final Executor dbExecutor;

155
briar-android/src/main/java/org/briarproject/briar/android/navdrawer/PluginViewModel.java
View File

@@ -1,9 +1,5 @@
package org.briarproject.briar.android.navdrawer;
import android.app.Application;
import org.briarproject.bramble.api.db.DatabaseExecutor;
import org.briarproject.bramble.api.db.DbException;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.event.EventListener;
@@ -16,51 +12,27 @@ import org.briarproject.bramble.api.plugin.PluginManager;
import org.briarproject.bramble.api.plugin.TorConstants;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.plugin.event.TransportStateEvent;
import org.briarproject.bramble.api.settings.Settings;
import org.briarproject.bramble.api.settings.SettingsManager;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.briar.R;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
import javax.inject.Inject;
import androidx.appcompat.app.AlertDialog;
import androidx.lifecycle.AndroidViewModel;
import androidx.annotation.Nullable;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
import static org.briarproject.bramble.api.plugin.Plugin.PREF_PLUGIN_ENABLE;
import static org.briarproject.bramble.api.plugin.Plugin.REASON_USER;
import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_MOBILE;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_WITH_BRIDGES;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_ONLY_WHEN_CHARGING;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_BATTERY;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_COUNTRY_BLOCKED;
import static org.briarproject.bramble.api.plugin.TorConstants.REASON_MOBILE_DATA;
import static org.briarproject.bramble.util.LogUtils.logException;
import static org.briarproject.briar.android.navdrawer.NavDrawerViewModel.TRANSPORT_IDS;
import static org.briarproject.briar.android.util.UiUtils.getCountryDisplayName;
import static org.briarproject.briar.android.util.UiUtils.getDialogIcon;
@NotNullByDefault
public class PluginViewModel extends AndroidViewModel implements EventListener {
public class PluginViewModel extends ViewModel implements EventListener {
private static final Logger LOG =
getLogger(PluginViewModel.class.getName());
private final Application app;
@DatabaseExecutor
private final Executor dbExecutor;
private final SettingsManager settingsManager;
private final PluginManager pluginManager;
private final LocationUtils locationUtils;
private final EventBus eventBus;
private final MutableLiveData<State> torPluginState =
@@ -71,18 +43,13 @@ public class PluginViewModel extends AndroidViewModel implements EventListener {
new MutableLiveData<>();
@Inject
PluginViewModel(Application app, @DatabaseExecutor Executor dbExecutor,
SettingsManager settingsManager, PluginManager pluginManager,
LocationUtils locationUtils, EventBus eventBus) {
super(app);
this.app = app;
this.dbExecutor = dbExecutor;
this.settingsManager = settingsManager;
PluginViewModel(PluginManager pluginManager, EventBus eventBus) {
this.pluginManager = pluginManager;
this.locationUtils = locationUtils;
this.eventBus = eventBus;
eventBus.addListener(this);
initialisePluginStates();
torPluginState.setValue(getTransportState(TorConstants.ID));
wifiPluginState.setValue(getTransportState(LanTcpConstants.ID));
btPluginState.setValue(getTransportState(BluetoothConstants.ID));
}
@Override
@@ -100,37 +67,14 @@ public class PluginViewModel extends AndroidViewModel implements EventListener {
LOG.info("TransportStateEvent: " + id + " is " + state);
}
MutableLiveData<State> liveData = getPluginLiveData(id);
liveData.postValue(state);
if (liveData != null) liveData.postValue(state);
}
}
void onSwitchClicked(TransportId t, boolean isChecked) {
if (isChecked) tryToEnablePlugin(t);
else setPluginEnabled(t, false);
}
LiveData<State> getPluginState(TransportId t) {
return getPluginLiveData(t);
}
private void tryToEnablePlugin(TransportId id) {
if (id.equals(TorConstants.ID)) {
int reasons = getReasonsDisabled(id);
if (reasons == 0 || reasons == REASON_USER) {
setPluginEnabled(id, true);
} else {
showTorSettingsDialog(reasons);
}
} else {
setPluginEnabled(id, true);
}
}
private void initialisePluginStates() {
for (TransportId t : TRANSPORT_IDS) {
MutableLiveData<State> liveData = getPluginLiveData(t);
liveData.setValue(getTransportState(t));
}
LiveData<State> liveData = getPluginLiveData(t);
if (liveData == null) throw new IllegalArgumentException();
return liveData;
}
private State getTransportState(TransportId id) {
@@ -138,78 +82,11 @@ public class PluginViewModel extends AndroidViewModel implements EventListener {
return plugin == null ? STARTING_STOPPING : plugin.getState();
}
@Nullable
private MutableLiveData<State> getPluginLiveData(TransportId t) {
if (t.equals(TorConstants.ID)) {
return torPluginState;
} else if (t.equals(LanTcpConstants.ID)) {
return wifiPluginState;
} else if (t.equals(BluetoothConstants.ID)) {
return btPluginState;
} else {
throw new IllegalArgumentException();
}
}
private int getReasonsDisabled(TransportId id) {
Plugin plugin = pluginManager.getPlugin(id);
return plugin == null ? 0 : plugin.getReasonsDisabled();
}
private void setPluginEnabled(TransportId t, boolean enabled) {
pluginManager.setPluginEnabled(t, enabled);
}
private void setTorEnabled(boolean battery, boolean mobileData,
boolean location) {
Settings s = new Settings();
s.putBoolean(PREF_PLUGIN_ENABLE, true);
if (battery) s.putBoolean(PREF_TOR_ONLY_WHEN_CHARGING, false);
if (mobileData) s.putBoolean(PREF_TOR_MOBILE, true);
if (location) s.putInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_WITH_BRIDGES);
dbExecutor.execute(() -> {
try {
settingsManager.mergeSettings(s, TorConstants.ID.getString());
} catch (DbException e) {
logException(LOG, WARNING, e);
}
});
}
private void showTorSettingsDialog(int reasonsDisabled) {
boolean battery = (reasonsDisabled & REASON_BATTERY) != 0;
boolean mobileData = (reasonsDisabled & REASON_MOBILE_DATA) != 0;
boolean location = (reasonsDisabled & REASON_COUNTRY_BLOCKED) != 0;
StringBuilder s = new StringBuilder();
if (location) {
s.append("\t\u2022 ");
s.append(app.getString(R.string.tor_override_network_setting,
getCountryDisplayName(locationUtils.getCurrentCountry())));
s.append('\n');
}
if (mobileData) {
s.append("\t\u2022 ");
s.append(app.getString(R.string.tor_override_mobile_data_setting));
s.append('\n');
}
if (battery) {
s.append("\t\u2022 ");
s.append(app.getString(R.string.tor_only_when_charging_title));
s.append('\n');
}
String message = app.getString(
R.string.tor_override_settings_body, s.toString());
AlertDialog.Builder b =
new AlertDialog.Builder(app, R.style.BriarDialogTheme);
b.setTitle(R.string.tor_override_settings_title);
b.setIcon(getDialogIcon(app, R.drawable.ic_settings_black_24dp));
b.setMessage(message);
b.setPositiveButton(R.string.tor_override_settings_confirm,
(dialog, which) ->
setTorEnabled(battery, mobileData, location));
b.setNegativeButton(R.string.cancel, (dialog, which) ->
dialog.dismiss());
b.show();
if (t.equals(TorConstants.ID)) return torPluginState;
else if (t.equals(LanTcpConstants.ID)) return wifiPluginState;
else if (t.equals(BluetoothConstants.ID)) return btPluginState;
else return null;
}
}