Add API to leave a chat room.

include/linphone/api/c-chat-room.h

@@ -289,6 +289,12 @@ LINPHONE_PUBLIC bctbx_list_t * linphone_chat_room_get_participants (const Linpho
  */
 LINPHONE_PUBLIC const char * linphone_chat_room_get_subject (const LinphoneChatRoom *cr);
 
+/**
+ * Leave a chat room.
+ * @param[in] cr A LinphoneChatRoom object
+ */
+LINPHONE_PUBLIC void linphone_chat_room_leave (LinphoneChatRoom *cr);
+
 /**
  * Remove a participant of a chat room.
  * @param[in] cr A LinphoneChatRoom object

include/linphone/enums/chat-room-enums.h

@@ -27,6 +27,7 @@
 	F(Instantiated) \
 	F(CreationPending) \
 	F(Created) \
+	F(TerminationPending) \
 	F(Terminated) \
 	F(CreationFailed)
 

src/c-wrapper/api/c-chat-room.cpp

@@ -248,6 +248,10 @@ const char * linphone_chat_room_get_subject (const LinphoneChatRoom *cr) {
 	return L_STRING_TO_C(L_GET_CPP_PTR_FROM_C_OBJECT(cr)->getSubject());
 }
 
+void linphone_chat_room_leave (LinphoneChatRoom *cr) {
+	L_GET_CPP_PTR_FROM_C_OBJECT(cr)->leave();
+}
+
 void linphone_chat_room_remove_participant (LinphoneChatRoom *cr, LinphoneParticipant *participant) {
 	L_GET_CPP_PTR_FROM_C_OBJECT(cr)->removeParticipant(L_GET_CPP_PTR_FROM_C_OBJECT(participant));
 }

src/chat/basic-chat-room.cpp

@@ -69,6 +69,8 @@ const string &BasicChatRoom::getSubject () const {
 	return d->subject;
 }
 
+void BasicChatRoom::leave () {}
+
 void BasicChatRoom::removeParticipant (const shared_ptr<const Participant> &participant) {
 	lError() << "removeParticipant() is not allowed on a BasicChatRoom";
 }

src/chat/basic-chat-room.h

@@ -41,6 +41,7 @@ public:
 	int getNbParticipants () const override;
 	std::list<std::shared_ptr<Participant>> getParticipants () const override;
 	const std::string &getSubject () const override;
+	void leave () override;
 	void removeParticipant (const std::shared_ptr<const Participant> &participant) override;
 	void removeParticipants (const std::list<std::shared_ptr<Participant>> &participants) override;
 	void setSubject (const std::string &subject) override;

src/chat/client-group-chat-room.cpp

@@ -59,11 +59,6 @@ ClientGroupChatRoom::ClientGroupChatRoom (LinphoneCore *core, const Address &me,
 	this->subject = subject;
 }
 
-ClientGroupChatRoom::~ClientGroupChatRoom () {
-	shared_ptr<CallSession> session = focus->getPrivate()->getSession();
-	session->terminate();
-}
-
 // -----------------------------------------------------------------------------
 
 void ClientGroupChatRoom::addParticipant (const Address &addr, const CallSessionParams *params, bool hasMedia) {
@@ -119,6 +114,19 @@ const string &ClientGroupChatRoom::getSubject () const {
 	return RemoteConference::getSubject();
 }
 
+void ClientGroupChatRoom::leave () {
+	L_D();
+	eventHandler->unsubscribe();
+	shared_ptr<CallSession> session = focus->getPrivate()->getSession();
+	if (session)
+		session->terminate();
+	else {
+		session = d->createSession();
+		session->startInvite(nullptr, "", nullptr);
+	}
+	d->setState(ChatRoom::State::TerminationPending);
+}
+
 void ClientGroupChatRoom::removeParticipant (const shared_ptr<const Participant> &participant) {
 	// TODO
 }
@@ -219,18 +227,27 @@ void ClientGroupChatRoom::onSubjectChanged (const std::string &subject) {
 
 // -----------------------------------------------------------------------------
 
-void ClientGroupChatRoom::onCallSessionSetTerminated (const std::shared_ptr<const CallSession> session) {
+void ClientGroupChatRoom::onCallSessionSetReleased (const std::shared_ptr<const CallSession> session) {
 	if (session == focus->getPrivate()->getSession())
 		focus->getPrivate()->removeSession();
 }
 
 void ClientGroupChatRoom::onCallSessionStateChanged (const std::shared_ptr<const CallSession> session, LinphoneCallState state, const string &message) {
+	L_D();
 	if (state == LinphoneCallConnected) {
-		Address addr(session->getRemoteContact());
-		addr.clean();
-		onConferenceCreated(addr);
-		if (session->getRemoteContactAddress()->hasParam("isfocus"))
-			eventHandler->subscribe(conferenceAddress);
+		if (d->state == ChatRoom::State::CreationPending) {
+			Address addr(session->getRemoteContact());
+			addr.clean();
+			onConferenceCreated(addr);
+			if (session->getRemoteContactAddress()->hasParam("isfocus"))
+				eventHandler->subscribe(conferenceAddress);
+		} else if (d->state == ChatRoom::State::TerminationPending) {
+			focus->getPrivate()->getSession()->terminate();
+		}
+	} else {
+		if ((state == LinphoneCallReleased) && (d->state == ChatRoom::State::TerminationPending)) {
+			onConferenceTerminated(conferenceAddress);
+		}
 	}
 }
 

src/chat/client-group-chat-room.h

@@ -38,7 +38,7 @@ class ClientGroupChatRoomPrivate;
 class LINPHONE_PUBLIC ClientGroupChatRoom : public ChatRoom, public RemoteConference {
 public:
 	ClientGroupChatRoom (LinphoneCore *core, const Address &me, const std::string &subject);
-	virtual ~ClientGroupChatRoom ();
+	virtual ~ClientGroupChatRoom () = default;
 
 public:
 	/* ConferenceInterface */
@@ -49,6 +49,7 @@ public:
 	int getNbParticipants () const override;
 	std::list<std::shared_ptr<Participant>> getParticipants () const override;
 	const std::string &getSubject () const override;
+	void leave () override;
 	void removeParticipant (const std::shared_ptr<const Participant> &participant) override;
 	void removeParticipants (const std::list<std::shared_ptr<Participant>> &participants) override;
 	void setSubject (const std::string &subject) override;
@@ -64,7 +65,7 @@ private:
 
 private:
 	/* CallSessionListener */
-	void onCallSessionSetTerminated (const std::shared_ptr<const CallSession> session) override;
+	void onCallSessionSetReleased (const std::shared_ptr<const CallSession> session) override;
 	void onCallSessionStateChanged (const std::shared_ptr<const CallSession> session, LinphoneCallState state, const std::string &message) override;
 
 private:

src/chat/real-time-text-chat-room.cpp

@@ -165,6 +165,8 @@ const string &RealTimeTextChatRoom::getSubject () const {
 	return d->subject;
 }
 
+void RealTimeTextChatRoom::leave () {}
+
 void RealTimeTextChatRoom::removeParticipant (const shared_ptr<const Participant> &participant) {
 	lError() << "removeParticipant() is not allowed on a RealTimeTextChatRoom";
 }

src/chat/real-time-text-chat-room.h

@@ -51,6 +51,7 @@ public:
 	int getNbParticipants () const override;
 	std::list<std::shared_ptr<Participant>> getParticipants () const override;
 	const std::string &getSubject () const override;
+	void leave () override;
 	void removeParticipant (const std::shared_ptr<const Participant> &participant) override;
 	void removeParticipants (const std::list<std::shared_ptr<Participant>> &participants) override;
 	void setSubject (const std::string &subject) override;

src/conference/conference-interface.h

@@ -42,6 +42,7 @@ public:
 	virtual int getNbParticipants () const = 0;
 	virtual std::list<std::shared_ptr<Participant>> getParticipants () const = 0;
 	virtual const std::string &getSubject () const = 0;
+	virtual void leave () = 0;
 	virtual void removeParticipant (const std::shared_ptr<const Participant> &participant) = 0;
 	virtual void removeParticipants (const std::list<std::shared_ptr<Participant>> &participants) = 0;
 	virtual void setSubject (const std::string &subject) = 0;

src/conference/conference.cpp

@@ -76,6 +76,8 @@ const string &Conference::getSubject () const {
 	return subject;
 }
 
+void Conference::leave () {}
+
 void Conference::removeParticipant (const shared_ptr<const Participant> &participant) {
 	lError() << "Conference class does not handle removeParticipant() generically";
 }
@@ -171,6 +173,14 @@ shared_ptr<Participant> Conference::findParticipant (const Address &addr) const
 	return nullptr;
 }
 
+shared_ptr<Participant> Conference::findParticipant (const shared_ptr<const CallSession> session) {
+	for (const auto &participant : participants) {
+		if (participant->getPrivate()->getSession() == session)
+			return participant;
+	}
+	return nullptr;
+}
+
 bool Conference::isMe (const Address &addr) const {
 	Address cleanedAddress = me->getAddress();
 	cleanedAddress.setPort(0);

src/conference/conference.h

@@ -55,6 +55,7 @@ public:
 	int getNbParticipants () const override;
 	std::list<std::shared_ptr<Participant>> getParticipants () const override;
 	const std::string &getSubject () const override;
+	void leave () override;
 	void removeParticipant (const std::shared_ptr<const Participant> &participant) override;
 	void removeParticipants (const std::list<std::shared_ptr<Participant>> &participants) override;
 	void setSubject (const std::string &subject) override;
@@ -80,6 +81,7 @@ protected:
 	explicit Conference (LinphoneCore *core, const Address &myAddress, CallListener *listener = nullptr);
 
 	std::shared_ptr<Participant> findParticipant (const Address &addr) const;
+	std::shared_ptr<Participant> findParticipant (const std::shared_ptr<const CallSession> session);
 	bool isMe (const Address &addr) const ;
 
 protected:

src/conference/participant.h

@@ -37,6 +37,7 @@ class Participant : public Object {
 	friend class CallPrivate;
 	friend class ClientGroupChatRoom;
 	friend class ClientGroupChatRoomPrivate;
+	friend class Conference;
 	friend class LocalConference;
 	friend class MediaSessionPrivate;
 	friend class RemoteConference;