Merge pull request #237 from trilene/voip

Support voice calls

1 files changed, 31 insertions, 0 deletions

diff --git a/src/EventAccessors.cpp b/src/EventAccessors.cpp

index 7071819b..7846737b 100644
--- a/src/EventAccessors.cpp
+++ b/src/EventAccessors.cpp
@@ -1,5 +1,7 @@
 #include "EventAccessors.h"
 
+#include <algorithm>
+#include <cctype>
 #include <type_traits>
 
 namespace {
@@ -65,6 +67,29 @@ struct EventRoomTopic
         }
 };
 
+struct CallType
+{
+        template<class T>
+        std::string operator()(const T &e)
+        {
+                if constexpr (std::is_same_v<mtx::events::RoomEvent<mtx::events::msg::CallInvite>,
+                                             T>) {
+                        const char video[]     = "m=video";
+                        const std::string &sdp = e.content.sdp;
+                        return std::search(sdp.cbegin(),
+                                           sdp.cend(),
+                                           std::cbegin(video),
+                                           std::cend(video) - 1,
+                                           [](unsigned char c1, unsigned char c2) {
+                                                   return std::tolower(c1) == std::tolower(c2);
+                                           }) != sdp.cend()
+                                 ? "video"
+                                 : "voice";
+                }
+                return std::string();
+        }
+};
+
 struct EventBody
 {
         template<class C>
@@ -326,6 +351,12 @@ mtx::accessors::room_topic(const mtx::events::collections::TimelineEvents &event
 }
 
 std::string
+mtx::accessors::call_type(const mtx::events::collections::TimelineEvents &event)
+{
+        return std::visit(CallType{}, event);
+}
+
+std::string
 mtx::accessors::body(const mtx::events::collections::TimelineEvents &event)
 {
         return std::visit(EventBody{}, event);