VoIP v1 implementation (#1161)

* Initial commit for VoIP v1 implementation

* Added draft of event handlers for voip methods

* Added event handlers for VoIP events, added rejectCall, added version tracking for call version for V0 and V1 compatibility

* Added call events to the general message pipeline. Modified Call Reject mechanism

* Added message delegates for new events. Modified hidden events. Updated handle events.

* Updated implementation to keep track of calls on other devices

* Fixed linting

* Fixed code warnings

* Fixed minor bugs

* fixed ci

* Added acceptNegotiation method definition when missing gstreamer

* Fixed warnings

* Fixed linting

1 files changed, 61 insertions, 4 deletions

diff --git a/src/timeline/TimelineModel.cpp b/src/timeline/TimelineModel.cpp

index 0e726bde..6aa81d8b 100644
--- a/src/timeline/TimelineModel.cpp
+++ b/src/timeline/TimelineModel.cpp
@@ -138,6 +138,20 @@ struct RoomEventType
     {
         return qml_mtx_events::EventType::CallCandidates;
     }
+    qml_mtx_events::EventType
+    operator()(const mtx::events::Event<mtx::events::voip::CallSelectAnswer> &)
+    {
+        return qml_mtx_events::EventType::CallSelectAnswer;
+    }
+    qml_mtx_events::EventType operator()(const mtx::events::Event<mtx::events::voip::CallReject> &)
+    {
+        return qml_mtx_events::EventType::CallReject;
+    }
+    qml_mtx_events::EventType
+    operator()(const mtx::events::Event<mtx::events::voip::CallNegotiate> &)
+    {
+        return qml_mtx_events::EventType::CallNegotiate;
+    }
     // ::EventType::Type operator()(const Event<mtx::events::msg::Location> &e) { return
     // ::EventType::LocationMessage; }
 };
@@ -258,6 +272,15 @@ qml_mtx_events::fromRoomEventType(qml_mtx_events::EventType t)
     /// m.call.candidates
     case qml_mtx_events::CallCandidates:
         return mtx::events::EventType::CallCandidates;
+    /// m.call.select_answer
+    case qml_mtx_events::CallSelectAnswer:
+        return mtx::events::EventType::CallSelectAnswer;
+    /// m.call.reject
+    case qml_mtx_events::CallReject:
+        return mtx::events::EventType::CallReject;
+    /// m.call.negotiate
+    case qml_mtx_events::CallNegotiate:
+        return mtx::events::EventType::CallNegotiate;
     /// m.room.canonical_alias
     case qml_mtx_events::CanonicalAlias:
         return mtx::events::EventType::RoomCanonicalAlias;
@@ -922,16 +945,22 @@ TimelineModel::addEvents(const mtx::responses::Timeline &timeline)
         }
 
         if (std::holds_alternative<RoomEvent<voip::CallCandidates>>(e) ||
+            std::holds_alternative<RoomEvent<voip::CallNegotiate>>(e) ||
             std::holds_alternative<RoomEvent<voip::CallInvite>>(e) ||
             std::holds_alternative<RoomEvent<voip::CallAnswer>>(e) ||
+            std::holds_alternative<RoomEvent<voip::CallSelectAnswer>>(e) ||
+            std::holds_alternative<RoomEvent<voip::CallReject>>(e) ||
             std::holds_alternative<RoomEvent<voip::CallHangUp>>(e))
             std::visit(
               [this](auto &event) {
                   event.room_id = room_id_.toStdString();
-                  if constexpr (std::is_same_v<std::decay_t<decltype(event)>,
-                                               RoomEvent<voip::CallAnswer>> ||
-                                std::is_same_v<std::decay_t<decltype(event)>,
-                                               RoomEvent<voip::CallHangUp>>)
+                  if constexpr (
+                    std::is_same_v<std::decay_t<decltype(event)>, RoomEvent<voip::CallAnswer>> ||
+                    std::is_same_v<std::decay_t<decltype(event)>, RoomEvent<voip::CallInvite>> ||
+                    std::is_same_v<std::decay_t<decltype(event)>,
+                                   RoomEvent<voip::CallSelectAnswer>> ||
+                    std::is_same_v<std::decay_t<decltype(event)>, RoomEvent<voip::CallReject>> ||
+                    std::is_same_v<std::decay_t<decltype(event)>, RoomEvent<voip::CallHangUp>>)
                       emit newCallEvent(event);
                   else {
                       if (event.sender != http::client()->user_id().to_string())
@@ -1007,6 +1036,17 @@ isMessage(const mtx::events::RoomEvent<mtx::events::voip::CallHangUp> &)
     return true;
 }
 
+auto
+isMessage(const mtx::events::RoomEvent<mtx::events::voip::CallReject> &)
+{
+    return true;
+}
+auto
+isMessage(const mtx::events::RoomEvent<mtx::events::voip::CallSelectAnswer> &)
+{
+    return true;
+}
+
 // Workaround. We also want to see a room at the top, if we just joined it
 auto
 isYourJoin(const mtx::events::StateEvent<mtx::events::state::Member> &e)
@@ -1503,6 +1543,23 @@ struct SendMessageVisitor
         sendRoomEvent<mtx::events::voip::CallHangUp, mtx::events::EventType::CallHangUp>(event);
     }
 
+    void operator()(const mtx::events::RoomEvent<mtx::events::voip::CallSelectAnswer> &event)
+    {
+        sendRoomEvent<mtx::events::voip::CallSelectAnswer,
+                      mtx::events::EventType::CallSelectAnswer>(event);
+    }
+
+    void operator()(const mtx::events::RoomEvent<mtx::events::voip::CallReject> &event)
+    {
+        sendRoomEvent<mtx::events::voip::CallReject, mtx::events::EventType::CallReject>(event);
+    }
+
+    void operator()(const mtx::events::RoomEvent<mtx::events::voip::CallNegotiate> &event)
+    {
+        sendRoomEvent<mtx::events::voip::CallNegotiate, mtx::events::EventType::CallNegotiate>(
+          event);
+    }
+
     void operator()(const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationRequest> &msg)
     {
         sendRoomEvent<mtx::events::msg::KeyVerificationRequest,