Merge pull request #5324 from matrix-org/dbkr/hang_up_your_hangups

Support rejecting calls

src/CallHandler.tsx

@@ -238,9 +238,24 @@ export default class CallHandler {
                         (call.hangupParty === CallParty.Local && call.hangupReason === CallErrorCode.InviteTimeout)
                     )) {
                         this.play(AudioID.Busy);
-                        Modal.createTrackedDialog('Call Handler', 'Call Timeout', ErrorDialog, {
-                            title: _t('Call Timeout'),
-                            description: _t('The remote side failed to pick up') + '.',
+                        let title;
+                        let description;
+                        if (call.hangupReason === CallErrorCode.UserHangup) {
+                            title = _t("Call Declined");
+                            description = _t("The other party declined the call.");
+                        } else if (call.hangupReason === CallErrorCode.InviteTimeout) {
+                            title = _t("Call Failed");
+                            // XXX: full stop appended as some relic here, but these
+                            // strings need proper input from design anyway, so let's
+                            // not change this string until we have a proper one.
+                            description = _t('The remote side failed to pick up') + '.';
+                        } else {
+                            title = _t("Call Failed");
+                            description = _t("The call could not be established");
+                        }
+
+                        Modal.createTrackedDialog('Call Handler', 'Call Failed', ErrorDialog, {
+                            title, description,
                         });
                     } else {
                         this.play(AudioID.CallEnd);
@@ -422,10 +437,15 @@ export default class CallHandler {
                 }
                 break;
             case 'hangup':
+            case 'reject':
                 if (!this.calls.get(payload.room_id)) {
                     return; // no call to hangup
                 }
-                this.calls.get(payload.room_id).hangup(CallErrorCode.UserHangup, false)
+                if (payload.action === 'reject') {
+                    this.calls.get(payload.room_id).reject();
+                } else {
+                    this.calls.get(payload.room_id).hangup(CallErrorCode.UserHangup, false);
+                }
                 this.removeCallForRoom(payload.room_id);
                 break;
             case 'answer':

src/TextForEvent.js

@@ -300,14 +300,27 @@ function textForCallHangupEvent(event) {
         reason = _t('(not supported by this browser)');
     } else if (eventContent.reason) {
         if (eventContent.reason === "ice_failed") {
+            // We couldn't establish a connection at all
             reason = _t('(could not connect media)');
+        } else if (eventContent.reason === "ice_timeout") {
+            // We established a connection but it died
+            reason = _t('(connection failed)');
+        } else if (eventContent.reason === "user_media_failed") {
+            // The other side couldn't open capture devices
+            reason = _t("(their device couldn't start the camera / microphone)");
+        } else if (eventContent.reason === "unknown_error") {
+            // An error code the other side doesn't have a way to express
+            // (as opposed to an error code they gave but we don't know about,
+            // in which case we show the error code)
+            reason = _t("(an error occurred)");
         } else if (eventContent.reason === "invite_timeout") {
             reason = _t('(no answer)');
-        } else if (eventContent.reason === "user hangup") {
+        } else if (eventContent.reason === "user hangup" || eventContent.reason === "user_hangup") {
             // workaround for https://github.com/vector-im/element-web/issues/5178
             // it seems Android randomly sets a reason of "user hangup" which is
             // interpreted as an error code :(
             // https://github.com/vector-im/riot-android/issues/2623
+            // Also the correct hangup code as of VoIP v1 (with underscore)
             reason = '';
         } else {
             reason = _t('(unknown failure: %(reason)s)', {reason: eventContent.reason});
@@ -316,6 +329,11 @@ function textForCallHangupEvent(event) {
     return _t('%(senderName)s ended the call.', {senderName}) + ' ' + reason;
 }
 
+function textForCallRejectEvent(event) {
+    const senderName = event.sender ? event.sender.name : _t('Someone');
+    return _t('%(senderName)s declined the call.', {senderName});
+}
+
 function textForCallInviteEvent(event) {
     const senderName = event.sender ? event.sender.name : _t('Someone');
     // FIXME: Find a better way to determine this from the event?
@@ -545,6 +563,7 @@ const handlers = {
     'm.call.invite': textForCallInviteEvent,
     'm.call.answer': textForCallAnswerEvent,
     'm.call.hangup': textForCallHangupEvent,
+    'm.call.reject': textForCallRejectEvent,
 };
 
 const stateHandlers = {

src/components/views/rooms/EventTile.js

@@ -46,6 +46,7 @@ const eventTileTypes = {
     'm.call.invite': 'messages.TextualEvent',
     'm.call.answer': 'messages.TextualEvent',
     'm.call.hangup': 'messages.TextualEvent',
+    'm.call.reject': 'messages.TextualEvent',
 };
 
 const stateEventTileTypes = {

src/components/views/rooms/MessageComposer.js

@@ -38,6 +38,7 @@ import WidgetUtils from "../../../utils/WidgetUtils";
 import {UPDATE_EVENT} from "../../../stores/AsyncStore";
 import ActiveWidgetStore from "../../../stores/ActiveWidgetStore";
 import { PlaceCallType } from "../../../CallHandler";
+import { CallState } from 'matrix-js-sdk/src/webrtc/call';
 
 function ComposerAvatar(props) {
     const MemberStatusMessageAvatar = sdk.getComponent('avatars.MemberStatusMessageAvatar');
@@ -104,8 +105,11 @@ function HangupButton(props) {
         if (!call) {
             return;
         }
+
+        const action = call.state === CallState.Ringing ? 'reject' : 'hangup';
+
         dis.dispatch({
-            action: 'hangup',
+            action,
             // hangup the call for this room, which may not be the room in props
             // (e.g. conferences which will hangup the 1:1 room instead)
             room_id: call.roomId,

src/components/views/voip/IncomingCallBox.tsx

@@ -78,7 +78,7 @@ export default class IncomingCallBox extends React.Component<IProps, IState> {
     private onRejectClick: React.MouseEventHandler = (e) => {
         e.stopPropagation();
         dis.dispatch({
-            action: 'hangup',
+            action: 'reject',
             room_id: this.state.incomingCall.roomId,
         });
     };

src/i18n/strings/en_EN.json

@@ -35,8 +35,10 @@
     "Unable to load! Check your network connectivity and try again.": "Unable to load! Check your network connectivity and try again.",
     "Dismiss": "Dismiss",
     "Call Failed": "Call Failed",
-    "Call Timeout": "Call Timeout",
+    "Call Declined": "Call Declined",
+    "The other party declined the call.": "The other party declined the call.",
     "The remote side failed to pick up": "The remote side failed to pick up",
+    "The call could not be established": "The call could not be established",
     "Call failed due to misconfigured server": "Call failed due to misconfigured server",
     "Please ask the administrator of your homeserver (<code>%(homeserverDomain)s</code>) to configure a TURN server in order for calls to work reliably.": "Please ask the administrator of your homeserver (<code>%(homeserverDomain)s</code>) to configure a TURN server in order for calls to work reliably.",
     "Alternatively, you can try to use the public server at <code>turn.matrix.org</code>, but this will not be as reliable, and it will share your IP address with that server. You can also manage this in Settings.": "Alternatively, you can try to use the public server at <code>turn.matrix.org</code>, but this will not be as reliable, and it will share your IP address with that server. You can also manage this in Settings.",
@@ -259,9 +261,13 @@
     "(not supported by this browser)": "(not supported by this browser)",
     "%(senderName)s answered the call.": "%(senderName)s answered the call.",
     "(could not connect media)": "(could not connect media)",
+    "(connection failed)": "(connection failed)",
+    "(their device couldn't start the camera / microphone)": "(their device couldn't start the camera / microphone)",
+    "(an error occurred)": "(an error occurred)",
     "(no answer)": "(no answer)",
     "(unknown failure: %(reason)s)": "(unknown failure: %(reason)s)",
     "%(senderName)s ended the call.": "%(senderName)s ended the call.",
+    "%(senderName)s declined the call.": "%(senderName)s declined the call.",
     "%(senderName)s placed a voice call.": "%(senderName)s placed a voice call.",
     "%(senderName)s placed a voice call. (not supported by this browser)": "%(senderName)s placed a voice call. (not supported by this browser)",
     "%(senderName)s placed a video call.": "%(senderName)s placed a video call.",