private void maybeGetOrCreateConversation() {
final ArrayList<ParticipantData> participants =
mRecipientTextView.getRecipientParticipantDataForConversationCreation();
if (ContactPickerData.isTooManyParticipants(participants.size())) {
UiUtils.showToast(R.string.too_many_participants);
} else if (participants.size() > 0 && mMonitor == null) {
mMonitor = GetOrCreateConversationAction.getOrCreateConversation(participants, null, this);
}
}
/**
* Watches changes in contact chips to determine possible state transitions (e.g. creating the
* initial conversation, adding more participants or finish the current conversation)
*/
@Override
public void onContactChipsChanged(final int oldCount, final int newCount) {
Assert.isTrue(oldCount != newCount);
if (mContactPickingMode == MODE_PICK_INITIAL_CONTACT) {
// Initial picking mode. Start a conversation once a recipient has been picked.
maybeGetOrCreateConversation();
} else if (mContactPickingMode == MODE_CHIPS_ONLY) {
// oldCount == 0 means we are restoring from savedInstanceState to add the existing
// chips, don't switch to "add more participants" mode in this case.
if (oldCount > 0 && mRecipientTextView.isFocused()) {
// Chips only mode. The user may have picked an additional contact or deleted the
// only existing contact. Either way, switch to picking more participants mode.
mHost.onInitiateAddMoreParticipants();
}
}
mHost.onParticipantCountChanged(ContactPickerData.getCanAddMoreParticipants(newCount));
// Refresh our local copy of the selected chips set to keep it up-to-date.
mSelectedPhoneNumbers = mRecipientTextView.getSelectedDestinations();
invalidateContactLists();
}