Convert all of file uploads to the new dispatcher

src/dispatcher/actions.ts

@@ -113,4 +113,29 @@ export enum Action {
      * XXX: Ditto
      */
     VirtualRoomSupportUpdated = "virtual_room_support_updated",
+
+    /**
+     * Fired when an upload has started. Should be used with UploadStartedPayload.
+     */
+    UploadStarted = "upload_started",
+
+    /**
+     * Fired when an upload makes progress. Should be used with UploadProgressPayload.
+     */
+    UploadProgress = "upload_progress",
+
+    /**
+     * Fired when an upload is completed. Should be used with UploadFinishedPayload.
+     */
+    UploadFinished = "upload_finished",
+
+    /**
+     * Fired when an upload fails. Should be used with UploadErrorPayload.
+     */
+    UploadFailed = "upload_failed",
+
+    /**
+     * Fired when an upload is cancelled by the user. Should be used with UploadCanceledPayload.
+     */
+    UploadCanceled = "upload_canceled",
 }

src/dispatcher/payloads/UploadPayload.ts

@@ -0,0 +1,51 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { ActionPayload } from "../payloads";
+import { Action } from "../actions";
+import {IUpload} from "../../models/IUpload";
+
+interface UploadPayload extends ActionPayload {
+    /**
+     * The upload with fields representing the new upload state.
+     */
+    upload: IUpload;
+}
+
+export interface UploadStartedPayload extends UploadPayload {
+    action: Action.UploadStarted;
+}
+
+export interface UploadProgressPayload extends UploadPayload {
+    action: Action.UploadProgress;
+}
+
+export interface UploadErrorPayload extends UploadPayload {
+    action: Action.UploadFailed;
+
+    /**
+     * An error to describe what went wrong with the upload.
+     */
+    error: Error;
+}
+
+export interface UploadFinishedPayload extends UploadPayload {
+    action: Action.UploadFinished;
+}
+
+export interface UploadCanceledPayload extends UploadPayload {
+    action: Action.UploadCanceled;
+}