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authorKegan Dougal <kegan@matrix.org>2014-10-29 15:48:41 +0000
committerKegan Dougal <kegan@matrix.org>2014-10-29 15:48:41 +0000
commitc2f2e26ec58f0195d893176ec7e4a4c6adc40254 (patch)
tree1b6b2e0cfc0b1734bc49c86cb31f08ad92279cfc /webclient
parentSYWEB-98: Add redactEvent matrix API call. (diff)
downloadsynapse-c2f2e26ec58f0195d893176ec7e4a4c6adc40254.tar.xz
SYWEB-98: Handle incoming m.room.redaction events.
UI for redactions is now complete.
Diffstat (limited to 'webclient')
-rw-r--r--webclient/components/matrix/event-handler-service.js39
1 files changed, 39 insertions, 0 deletions
diff --git a/webclient/components/matrix/event-handler-service.js b/webclient/components/matrix/event-handler-service.js
index d9e1fe31ce..373f18e8a5 100644
--- a/webclient/components/matrix/event-handler-service.js
+++ b/webclient/components/matrix/event-handler-service.js
@@ -172,6 +172,17 @@ function(matrixService, $rootScope, $q, $timeout, mPresence) {
     };
 
     var handleMessage = function(event, isLiveEvent) {
+        // Check for empty event content
+        var hasContent = false;
+        for (var prop in event.content) {
+            hasContent = true;
+            break;
+        }
+        if (!hasContent) {
+            // empty json object is a redacted event, so ignore.
+            return;
+        }
+
         if (isLiveEvent) {
             if (event.user_id === matrixService.config().user_id &&
                 (event.content.msgtype === "m.text" || event.content.msgtype === "m.emote") ) {
@@ -335,6 +346,31 @@ function(matrixService, $rootScope, $q, $timeout, mPresence) {
             $rootScope.events.rooms[event.room_id].messages.push(event);
         }
     };
+
+    var handleRedaction = function(event, isLiveEvent) {
+        if (!isLiveEvent) {
+            // we have nothing to remove, so just ignore it.
+            console.log("Received redacted event: "+JSON.stringify(event));
+            return;
+        }
+
+        // we need to remove something possibly: do we know the redacted
+        // event ID?
+        if (eventMap[event.redacts]) {
+            // remove event from list of messages in this room.
+            var eventList = $rootScope.events.rooms[event.room_id].messages;
+            for (var i=0; i<eventList.length; i++) {
+                if (eventList[i].event_id === event.redacts) {
+                    console.log("Removing event " + event.redacts);
+                    eventList.splice(i, 1);
+                    break;
+                }
+            }
+
+            // broadcast the redaction so controllers can nuke this
+            console.log("Redacted an event.");
+        }
+    }
     
     /**
      * Get the index of the event in $rootScope.events.rooms[room_id].messages
@@ -497,6 +533,9 @@ function(matrixService, $rootScope, $q, $timeout, mPresence) {
                     case 'm.room.topic':
                         handleRoomTopic(event, isLiveEvent, isStateEvent);
                         break;
+                    case 'm.room.redaction':
+                        handleRedaction(event, isLiveEvent);
+                        break;
                     default:
                         console.log("Unable to handle event type " + event.type);
                         console.log(JSON.stringify(event, undefined, 4));