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

5 files changed, 62 insertions, 6 deletions

diff --git a/resources/qml/MessageInput.qml b/resources/qml/MessageInput.qml
index 6174a6c0..37d9614a 100644
--- a/resources/qml/MessageInput.qml
+++ b/resources/qml/MessageInput.qml
@@ -46,14 +46,14 @@ Rectangle {
 
         ImageButton {
             visible: CallManager.callsSupported && showAllButtons
-            opacity: CallManager.haveCallInvite ? 0.3 : 1
+            opacity: (CallManager.haveCallInvite || CallManager.isOnCallOnOtherDevice) ? 0.3 : 1
             Layout.alignment: Qt.AlignBottom
             hoverEnabled: true
             width: 22
             height: 22
             image: CallManager.isOnCall ? ":/icons/icons/ui/end-call.svg" : ":/icons/icons/ui/place-call.svg"
             ToolTip.visible: hovered
-            ToolTip.text: CallManager.isOnCall ? qsTr("Hang up") : qsTr("Place a call")
+            ToolTip.text: CallManager.isOnCall ? qsTr("Hang up") : (CallManager.isOnCallOnOtherDevice ? qsTr("Already on a call") : qsTr("Place a call"))
             Layout.margins: 8
             onClicked: {
                 if (room) {
@@ -61,7 +61,11 @@ Rectangle {
                         return ;
                     } else if (CallManager.isOnCall) {
                         CallManager.hangUp();
-                    } else {
+                    } 
+                    else if(CallManager.isOnCallOnOtherDevice) {
+                        return;
+                    }
+                    else {
                         var dialog = placeCallDialog.createObject(timelineRoot);
                         dialog.open();
                         timelineRoot.destroyOnClose(dialog);
diff --git a/resources/qml/delegates/MessageDelegate.qml b/resources/qml/delegates/MessageDelegate.qml
index 200c34d4..a2a44cb2 100644
--- a/resources/qml/delegates/MessageDelegate.qml
+++ b/resources/qml/delegates/MessageDelegate.qml
@@ -379,6 +379,34 @@ Item {
         }
 
         DelegateChoice {
+            roleValue: MtxEvent.CallReject
+
+            NoticeMessage {
+                body: formatted
+                isOnlyEmoji: false
+                isReply: d.isReply
+                keepFullText: d.keepFullText
+                isStateEvent: d.isStateEvent
+                formatted: qsTr("%1 rejected the call.").arg(d.userName)
+            }
+
+        }
+
+        DelegateChoice {
+            roleValue: MtxEvent.CallSelectAnswer
+
+            NoticeMessage {
+                body: formatted
+                isOnlyEmoji: false
+                isReply: d.isReply
+                keepFullText: d.keepFullText
+                isStateEvent: d.isStateEvent
+                formatted: qsTr("%1 select answer").arg(d.userName)
+                // formatted: qsTr("Call answered elsewhere")
+            }
+        }
+
+        DelegateChoice {
             roleValue: MtxEvent.CallHangUp
 
             NoticeMessage {
@@ -407,6 +435,20 @@ Item {
         }
 
         DelegateChoice {
+            roleValue: MtxEvent.CallNegotiate
+
+            NoticeMessage {
+                body: formatted
+                isOnlyEmoji: false
+                isReply: d.isReply
+                keepFullText: d.keepFullText
+                isStateEvent: d.isStateEvent
+                formatted: qsTr("%1 is negotiating the call...").arg(d.userName)
+            }
+
+        }
+
+        DelegateChoice {
             roleValue: MtxEvent.PowerLevels
 
             NoticeMessage {
diff --git a/resources/qml/dialogs/LeaveRoomDialog.qml b/resources/qml/dialogs/LeaveRoomDialog.qml
index d64b2d31..cb15a74d 100644
--- a/resources/qml/dialogs/LeaveRoomDialog.qml
+++ b/resources/qml/dialogs/LeaveRoomDialog.qml
@@ -7,6 +7,7 @@ import Qt.labs.platform 1.1 as P
 import QtQuick 2.15
 import QtQuick.Controls 2.15
 import im.nheko 1.0
+import "../voip"
 
 P.MessageDialog {
     id: leaveRoomRoot
@@ -18,5 +19,14 @@ P.MessageDialog {
     text: qsTr("Are you sure you want to leave?")
     modality: Qt.ApplicationModal
     buttons: P.MessageDialog.Ok | P.MessageDialog.Cancel
-    onAccepted: Rooms.leave(roomId, reason)
+    onAccepted: {
+
+        if (CallManager.haveCallInvite) {
+            callManager.rejectInvite();
+        } else if (CallManager.isOnCall) {
+            CallManager.hangUp();
+        }
+        Rooms.leave(roomId, reason)
+    }
+        
 }
diff --git a/resources/qml/voip/CallInvite.qml b/resources/qml/voip/CallInvite.qml
index 7bab3616..beed2e51 100644
--- a/resources/qml/voip/CallInvite.qml
+++ b/resources/qml/voip/CallInvite.qml
@@ -153,7 +153,7 @@ Popup {
                 implicitWidth: buttonLayout.buttonSize
                 implicitHeight: buttonLayout.buttonSize
                 onClicked: {
-                    CallManager.hangUp();
+                    CallManager.rejectInvite();
                     close();
                 }
 
diff --git a/resources/qml/voip/CallInviteBar.qml b/resources/qml/voip/CallInviteBar.qml
index ab377ca8..a622ca27 100644
--- a/resources/qml/voip/CallInviteBar.qml
+++ b/resources/qml/voip/CallInviteBar.qml
@@ -129,7 +129,7 @@ Rectangle {
             text: qsTr("Decline")
             palette: Nheko.colors
             onClicked: {
-                CallManager.hangUp();
+                CallManager.rejectInvite();
             }
         }