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/*
* Copyright (c) 2010 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Chat/ChatStateNotifier.h>
#include <boost/bind.hpp>
#include <Swiften/Elements/Message.h>
#include <Swiften/Elements/ChatState.h>
#include <Swiften/Client/StanzaChannel.h>
#include <Swiften/Disco/EntityCapsProvider.h>
namespace Swift {
ChatStateNotifier::ChatStateNotifier(StanzaChannel* stanzaChannel, const JID& contact, EntityCapsProvider* entityCapsManager) : stanzaChannel_(stanzaChannel), entityCapsManager_(entityCapsManager), contact_(contact) {
setContact(contact);
entityCapsManager_->onCapsChanged.connect(boost::bind(&ChatStateNotifier::handleCapsChanged, this, _1));
}
ChatStateNotifier::~ChatStateNotifier() {
entityCapsManager_->onCapsChanged.disconnect(boost::bind(&ChatStateNotifier::handleCapsChanged, this, _1));
}
void ChatStateNotifier::setContact(const JID& contact) {
contactHasSentActive_ = false;
userIsTyping_ = false;
contactIsOnline_ = false;
contact_ = contact;
handleCapsChanged(contact_);
}
void ChatStateNotifier::setContactIsOnline(bool online) {
contactIsOnline_ = online;
}
void ChatStateNotifier::setUserIsTyping() {
bool should = contactShouldReceiveStates();
if (should && !userIsTyping_) {
userIsTyping_ = true;
changeState(ChatState::Composing);
}
}
void ChatStateNotifier::userSentMessage() {
userIsTyping_ = false;
}
void ChatStateNotifier::userCancelledNewMessage() {
if (userIsTyping_) {
userIsTyping_ = false;
changeState(ChatState::Active);
}
}
void ChatStateNotifier::receivedMessageFromContact(bool hasActiveElement) {
contactHasSentActive_ = hasActiveElement;
}
bool ChatStateNotifier::contactShouldReceiveStates() {
/* So, yes, the XEP says to look at caps, but it also says that once you've
heard from the contact, the active state overrides this.
*HOWEVER* it says that the MUST NOT send csn if you haven't received
active is OPTIONAL behaviour for if you haven't got caps.*/
return contactIsOnline_ && (contactHasSentActive_ || contactHas85Caps_);
}
void ChatStateNotifier::changeState(ChatState::ChatStateType state) {
boost::shared_ptr<Message> message(new Message());
message->setTo(contact_);
message->addPayload(boost::shared_ptr<Payload>(new ChatState(state)));
stanzaChannel_->sendMessage(message);
}
void ChatStateNotifier::addChatStateRequest(Message::ref message) {
if (contactShouldReceiveStates()) {
message->addPayload(boost::shared_ptr<Payload>(new ChatState(ChatState::Active)));
}
}
void ChatStateNotifier::handleCapsChanged(const JID& jid) {
if (jid == contact_) {
DiscoInfo::ref caps = entityCapsManager_->getCaps(contact_);
bool hasCSN = caps && caps->hasFeature(DiscoInfo::ChatStatesFeature);
contactHas85Caps_ = hasCSN;
}
}
}
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Swift