/**
* Notifies this <tt>Conference</tt> that the ordered list of <tt>Endpoint</tt>s of {@link
* #speechActivity} i.e. the dominant speaker history has changed.
*
* <p>This instance notifies the video <tt>Channel</tt>s about the change so that they may update
* their last-n lists and report to this instance which <tt>Endpoint</tt>s are to be asked for
* video keyframes.
*/
private void speechActivityEndpointsChanged() {
List<Endpoint> endpoints = null;
for (Content content : getContents()) {
if (MediaType.VIDEO.equals(content.getMediaType())) {
Set<Endpoint> endpointsToAskForKeyframes = null;
endpoints = speechActivity.getEndpoints();
for (Channel channel : content.getChannels()) {
if (!(channel instanceof RtpChannel)) continue;
RtpChannel rtpChannel = (RtpChannel) channel;
List<Endpoint> channelEndpointsToAskForKeyframes =
rtpChannel.speechActivityEndpointsChanged(endpoints);
if ((channelEndpointsToAskForKeyframes != null)
&& !channelEndpointsToAskForKeyframes.isEmpty()) {
if (endpointsToAskForKeyframes == null) {
endpointsToAskForKeyframes = new HashSet<>();
}
endpointsToAskForKeyframes.addAll(channelEndpointsToAskForKeyframes);
}
}
if ((endpointsToAskForKeyframes != null) && !endpointsToAskForKeyframes.isEmpty()) {
content.askForKeyframes(endpointsToAskForKeyframes);
}
}
}
}
/**
* When a provider is added. As searching can be slow especially when handling special type of
* messages (with subType) this need to be run in new Thread.
*
* @param provider ProtocolProviderService
*/
private void handleProviderAddedInSeparateThread(
ProtocolProviderService provider, boolean isStatusChanged) {
// lets check if we have cached recent messages for this provider, and
// fire events if found and are newer
synchronized (recentMessages) {
List<ComparableEvtObj> cachedRecentMessages =
getCachedRecentMessages(provider, isStatusChanged);
if (cachedRecentMessages.isEmpty()) {
// maybe there is no cached history for this
// let's check
// load it not from cache, but do a local search
Collection<EventObject> res =
messageHistoryService.findRecentMessagesPerContact(
numberOfMessages, provider.getAccountID().getAccountUniqueID(), null, isSMSEnabled);
List<ComparableEvtObj> newMsc = new ArrayList<ComparableEvtObj>();
processEventObjects(res, newMsc, isStatusChanged);
addNewRecentMessages(newMsc);
for (ComparableEvtObj msc : newMsc) {
saveRecentMessageToHistory(msc);
}
} else addNewRecentMessages(cachedRecentMessages);
}
}
/**
* Gets the <tt>WebRtcDataStreamListener</tt>s added to this instance.
*
* @return the <tt>WebRtcDataStreamListener</tt>s added to this instance or <tt>null</tt> if there
* are no <tt>WebRtcDataStreamListener</tt>s added to this instance
*/
private WebRtcDataStreamListener[] getChannelListeners() {
WebRtcDataStreamListener[] ls;
synchronized (listeners) {
if (listeners.isEmpty()) {
ls = null;
} else {
ls = listeners.toArray(new WebRtcDataStreamListener[listeners.size()]);
}
}
return ls;
}
/**
* Gets and formats the names of the peers in the call.
*
* @param maxLength maximum length of the filename
* @return the name of the peer in the call formated
*/
private String getCallPeerName(int maxLength) {
List<CallPeer> callPeers = call.getConference().getCallPeers();
CallPeer callPeer = null;
String peerName = "";
if (!callPeers.isEmpty()) {
callPeer = callPeers.get(0);
if (callPeer != null) {
peerName = callPeer.getDisplayName();
peerName = peerName.replaceAll("[^\\da-zA-Z\\_\\-@\\.]", "");
if (peerName.length() > maxLength) {
peerName = peerName.substring(0, maxLength);
}
}
}
return peerName;
}
/**
* A provider has been removed.
*
* @param provider the ProtocolProviderService that has been unregistered.
*/
void handleProviderRemoved(ProtocolProviderService provider) {
// lets remove the recent messages for this provider, and update
// with recent messages for the available providers
synchronized (recentMessages) {
if (provider != null) {
List<ComparableEvtObj> removedItems = new ArrayList<ComparableEvtObj>();
for (ComparableEvtObj msc : recentMessages) {
if (msc.getProtocolProviderService().equals(provider)) removedItems.add(msc);
}
recentMessages.removeAll(removedItems);
if (!recentMessages.isEmpty())
oldestRecentMessage = recentMessages.get(recentMessages.size() - 1).getTimestamp();
else oldestRecentMessage = null;
if (recentQuery != null) {
for (ComparableEvtObj msc : removedItems) {
recentQuery.fireContactRemoved(msc);
}
}
}
// handleProviderRemoved can be invoked due to stopped
// history service, if this is the case we do not want to
// update messages
if (!this.messageHistoryService.isHistoryLoggingEnabled()) return;
// lets do the same as we enable provider
// for all registered providers and finally fire events
List<ComparableEvtObj> contactsToAdd = new ArrayList<ComparableEvtObj>();
for (ProtocolProviderService pps : messageHistoryService.getCurrentlyAvailableProviders()) {
contactsToAdd.addAll(getCachedRecentMessages(pps, true));
}
addNewRecentMessages(contactsToAdd);
}
}
/**
* Add the ComparableEvtObj, newly added will fire new, for existing fire update and when trimming
* the list to desired length fire remove for those that were removed
*
* @param contactsToAdd
*/
private void addNewRecentMessages(List<ComparableEvtObj> contactsToAdd) {
// now find object to fire new, and object to fire remove
// let us find duplicates and fire update
List<ComparableEvtObj> duplicates = new ArrayList<ComparableEvtObj>();
for (ComparableEvtObj msgToAdd : contactsToAdd) {
if (recentMessages.contains(msgToAdd)) {
duplicates.add(msgToAdd);
// save update
updateRecentMessageToHistory(msgToAdd);
}
}
recentMessages.removeAll(duplicates);
// now contacts to add has no duplicates, add them all
boolean changed = recentMessages.addAll(contactsToAdd);
if (changed) {
Collections.sort(recentMessages);
if (recentQuery != null) {
for (ComparableEvtObj obj : duplicates)
recentQuery.updateContact(obj, obj.getEventObject());
}
}
if (!recentMessages.isEmpty())
oldestRecentMessage = recentMessages.get(recentMessages.size() - 1).getTimestamp();
// trim
List<ComparableEvtObj> removedItems = null;
if (recentMessages.size() > numberOfMessages) {
removedItems =
new ArrayList<ComparableEvtObj>(
recentMessages.subList(numberOfMessages, recentMessages.size()));
recentMessages.removeAll(removedItems);
}
if (recentQuery != null) {
// now fire, removed for all that were in the list
// and now are removed after trim
if (removedItems != null) {
for (ComparableEvtObj msc : removedItems) {
if (!contactsToAdd.contains(msc)) recentQuery.fireContactRemoved(msc);
}
}
// fire new for all that were added, and not removed after trim
for (ComparableEvtObj msc : contactsToAdd) {
if ((removedItems == null || !removedItems.contains(msc)) && !duplicates.contains(msc)) {
MessageSourceContact newSourceContact =
new MessageSourceContact(msc.getEventObject(), MessageSourceService.this);
newSourceContact.initDetails(msc.getEventObject());
recentQuery.addQueryResult(newSourceContact);
}
}
// if recent messages were changed, indexes have change lets
// fire event for the last element which will reorder the whole
// group if needed.
if (changed) recentQuery.fireContactChanged(recentMessages.get(recentMessages.size() - 1));
}
}