session-android/src/org/thoughtcrime/securesms/TransportOptions.java
2019-01-30 16:10:43 -08:00

208 lines
7.6 KiB
Java

package org.thoughtcrime.securesms;
import android.Manifest;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import org.thoughtcrime.securesms.util.CharacterCalculator;
import org.thoughtcrime.securesms.util.MmsCharacterCalculator;
import org.thoughtcrime.securesms.permissions.Permissions;
import org.thoughtcrime.securesms.util.PushCharacterCalculator;
import org.thoughtcrime.securesms.util.SmsCharacterCalculator;
import org.thoughtcrime.securesms.util.dualsim.SubscriptionInfoCompat;
import org.thoughtcrime.securesms.util.dualsim.SubscriptionManagerCompat;
import org.whispersystems.libsignal.util.guava.Optional;
import java.util.LinkedList;
import java.util.List;
import static org.thoughtcrime.securesms.TransportOption.Type;
public class TransportOptions {
private static final String TAG = TransportOptions.class.getSimpleName();
private final List<OnTransportChangedListener> listeners = new LinkedList<>();
private final Context context;
private final List<TransportOption> enabledTransports;
private Type defaultTransportType = Type.SMS;
private Optional<Integer> defaultSubscriptionId = Optional.absent();
private Optional<TransportOption> selectedOption = Optional.absent();
public TransportOptions(Context context, boolean media) {
this.context = context;
this.enabledTransports = initializeAvailableTransports(media);
this.defaultSubscriptionId = new SubscriptionManagerCompat(context).getPreferredSubscriptionId();
}
public void reset(boolean media) {
List<TransportOption> transportOptions = initializeAvailableTransports(media);
this.enabledTransports.clear();
this.enabledTransports.addAll(transportOptions);
if (selectedOption.isPresent() && !isEnabled(selectedOption.get())) {
setSelectedTransport(null);
} else {
this.defaultTransportType = Type.SMS;
this.defaultSubscriptionId = Optional.absent();
notifyTransportChangeListeners();
}
}
public void setDefaultTransport(Type type) {
this.defaultTransportType = type;
if (!selectedOption.isPresent()) {
notifyTransportChangeListeners();
}
}
public void setDefaultSubscriptionId(Optional<Integer> subscriptionId) {
if (defaultSubscriptionId.equals(subscriptionId)) {
return;
}
this.defaultSubscriptionId = subscriptionId;
if (!selectedOption.isPresent()) {
notifyTransportChangeListeners();
}
}
public void setSelectedTransport(@Nullable TransportOption transportOption) {
this.selectedOption = Optional.fromNullable(transportOption);
notifyTransportChangeListeners();
}
public boolean isManualSelection() {
return this.selectedOption.isPresent();
}
public @NonNull TransportOption getSelectedTransport() {
if (selectedOption.isPresent()) return selectedOption.get();
if (defaultSubscriptionId.isPresent()) {
for (TransportOption transportOption : enabledTransports) {
if (transportOption.getType() == defaultTransportType &&
(int)defaultSubscriptionId.get() == transportOption.getSimSubscriptionId().or(-1))
{
return transportOption;
}
}
}
for (TransportOption transportOption : enabledTransports) {
if (transportOption.getType() == defaultTransportType) {
return transportOption;
}
}
throw new AssertionError("No options of default type!");
}
public void disableTransport(Type type) {
Optional<TransportOption> option = find(type);
if (option.isPresent()) {
enabledTransports.remove(option.get());
if (selectedOption.isPresent() && selectedOption.get().getType() == type) {
setSelectedTransport(null);
}
}
}
public List<TransportOption> getEnabledTransports() {
return enabledTransports;
}
public void addOnTransportChangedListener(OnTransportChangedListener listener) {
this.listeners.add(listener);
}
private List<TransportOption> initializeAvailableTransports(boolean isMediaMessage) {
List<TransportOption> results = new LinkedList<>();
if (isMediaMessage) {
results.addAll(getTransportOptionsForSimCards(context.getString(R.string.ConversationActivity_transport_insecure_mms),
context.getString(R.string.conversation_activity__type_message_mms_insecure),
new MmsCharacterCalculator()));
} else {
results.addAll(getTransportOptionsForSimCards(context.getString(R.string.ConversationActivity_transport_insecure_sms),
context.getString(R.string.conversation_activity__type_message_sms_insecure),
new SmsCharacterCalculator()));
}
results.add(new TransportOption(Type.TEXTSECURE, R.drawable.ic_send_push_white_24dp,
context.getResources().getColor(R.color.textsecure_primary),
context.getString(R.string.ConversationActivity_transport_signal),
context.getString(R.string.conversation_activity__type_message_push),
new PushCharacterCalculator()));
return results;
}
private @NonNull List<TransportOption> getTransportOptionsForSimCards(@NonNull String text,
@NonNull String composeHint,
@NonNull CharacterCalculator characterCalculator)
{
List<TransportOption> results = new LinkedList<>();
SubscriptionManagerCompat subscriptionManager = new SubscriptionManagerCompat(context);
List<SubscriptionInfoCompat> subscriptions;
if (Permissions.hasAll(context, Manifest.permission.READ_PHONE_STATE)) {
subscriptions = subscriptionManager.getActiveSubscriptionInfoList();
} else {
subscriptions = new LinkedList<>();
}
if (subscriptions.size() < 2) {
results.add(new TransportOption(Type.SMS, R.drawable.ic_send_sms_white_24dp,
context.getResources().getColor(R.color.grey_600),
text, composeHint, characterCalculator));
} else {
for (SubscriptionInfoCompat subscriptionInfo : subscriptions) {
results.add(new TransportOption(Type.SMS, R.drawable.ic_send_sms_white_24dp,
context.getResources().getColor(R.color.grey_600),
text, composeHint, characterCalculator,
Optional.of(subscriptionInfo.getDisplayName()),
Optional.of(subscriptionInfo.getSubscriptionId())));
}
}
return results;
}
private void notifyTransportChangeListeners() {
for (OnTransportChangedListener listener : listeners) {
listener.onChange(getSelectedTransport(), selectedOption.isPresent());
}
}
private Optional<TransportOption> find(Type type) {
for (TransportOption option : enabledTransports) {
if (option.isType(type)) {
return Optional.of(option);
}
}
return Optional.absent();
}
private boolean isEnabled(TransportOption transportOption) {
for (TransportOption option : enabledTransports) {
if (option.equals(transportOption)) return true;
}
return false;
}
public interface OnTransportChangedListener {
public void onChange(TransportOption newTransport, boolean manuallySelected);
}
}