package org.thoughtcrime.securesms; 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.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 listeners = new LinkedList<>(); private final Context context; private final List enabledTransports; private Type defaultTransportType = Type.SMS; private Optional defaultSubscriptionId = Optional.absent(); private Optional 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 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 subscriptionId) { 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 option = find(type); if (option.isPresent()) { enabledTransports.remove(option.get()); if (selectedOption.isPresent() && selectedOption.get().getType() == type) { setSelectedTransport(null); } } } public List getEnabledTransports() { return enabledTransports; } public void addOnTransportChangedListener(OnTransportChangedListener listener) { this.listeners.add(listener); } private List initializeAvailableTransports(boolean isMediaMessage) { List 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 getTransportOptionsForSimCards(@NonNull String text, @NonNull String composeHint, @NonNull CharacterCalculator characterCalculator) { List results = new LinkedList<>(); SubscriptionManagerCompat subscriptionManager = new SubscriptionManagerCompat(context); List subscriptions = subscriptionManager.getActiveSubscriptionInfoList(); 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 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); } }