use t.view for room sub views

also move composer to own vm

src/domain/session/room/RoomViewModel.js

@@ -14,6 +14,7 @@ export class RoomViewModel extends ViewModel {
         this._timelineError = null;
         this._sendError = null;
         this._closeCallback = closeCallback;
+        this._composerVM = new ComposerViewModel(this);
     }
 
     async load() {
@@ -73,7 +74,9 @@ export class RoomViewModel extends ViewModel {
         return avatarInitials(this._room.name);
     }
 
-    async sendMessage(message) {
+
+    
+    async _sendMessage(message) {
         if (message) {
             try {
                 await this._room.sendEvent("m.room.message", {msgtype: "m.text", body: message});
@@ -88,4 +91,18 @@ export class RoomViewModel extends ViewModel {
         }
         return false;
     }
+
+    get composerViewModel() {
+        return this._composerVM;
+    }
+}
+
+class ComposerViewModel {
+    constructor(roomVM) {
+        this._roomVM = roomVM;
+    }
+
+    sendMessage(message) {
+        return this._roomVM._sendMessage(message);
+    }
 }

src/ui/web/session/room/RoomView.js

@@ -9,6 +9,7 @@ export class RoomView extends TemplateView {
     }
 
     render(t, vm) {
+        this._timelineList = new TimelineList();
         return t.div({className: "RoomView"}, [
             t.div({className: "TimelinePanel"}, [
                 t.div({className: "RoomHeader"}, [
@@ -19,24 +20,12 @@ export class RoomView extends TemplateView {
                     ]),
                 ]),
                 t.div({className: "RoomView_error"}, vm => vm.error),
-                this._timelineList.mount(),
-                this._composer.mount(),
+                t.view(this._timelineList),
+                t.view(new MessageComposer(this.value.composerViewModel)),
             ])
         ]);
     }
 
-    mount() {
-        this._composer = new MessageComposer(this.value);
-        this._timelineList = new TimelineList();
-        return super.mount();
-    }
-
-    unmount() {
-        this._composer.unmount();
-        this._timelineList.unmount();
-        super.unmount();
-    }
-
     update(value, prop) {
         super.update(value, prop);
         if (prop === "timelineViewModel") {