Merge and add export support for the modified MAudioBody

src/components/views/elements/BlurhashPlaceholder.tsx

@@ -0,0 +1,56 @@
+/*
+ Copyright 2020 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 React from 'react';
+import { decode } from "blurhash";
+
+interface IProps {
+    blurhash: string;
+    width: number;
+    height: number;
+}
+
+export default class BlurhashPlaceholder extends React.PureComponent<IProps> {
+    private canvas: React.RefObject<HTMLCanvasElement> = React.createRef();
+
+    public componentDidMount() {
+        this.draw();
+    }
+
+    public componentDidUpdate() {
+        this.draw();
+    }
+
+    private draw() {
+        if (!this.canvas.current) return;
+
+        try {
+            const { width, height } = this.props;
+
+            const pixels = decode(this.props.blurhash, Math.ceil(width), Math.ceil(height));
+            const ctx = this.canvas.current.getContext("2d");
+            const imgData = ctx.createImageData(width, height);
+            imgData.data.set(pixels);
+            ctx.putImageData(imgData, 0, 0);
+        } catch (e) {
+            console.error("Error rendering blurhash: ", e);
+        }
+    }
+
+    public render() {
+        return <canvas height={this.props.height} width={this.props.width} ref={this.canvas} />;
+    }
+}

src/components/views/elements/EventListSummary.tsx

@@ -29,7 +29,7 @@ interface IProps {
     // The minimum number of events needed to trigger summarisation
     threshold?: number;
     // Whether or not to begin with state.expanded=true
-    startExpanded?: boolean,
+    startExpanded?: boolean;
     // The list of room members for which to show avatars next to the summary
     summaryMembers?: RoomMember[];
     // The text to show as the summary of this event list

src/components/views/elements/ImageView.tsx

@@ -44,31 +44,31 @@ const ZOOM_COEFFICIENT = 0.0025;
 const ZOOM_DISTANCE = 10;
 
 interface IProps {
-    src: string, // the source of the image being displayed
-    name?: string, // the main title ('name') for the image
-    link?: string, // the link (if any) applied to the name of the image
-    width?: number, // width of the image src in pixels
-    height?: number, // height of the image src in pixels
-    fileSize?: number, // size of the image src in bytes
-    onFinished(): void, // callback when the lightbox is dismissed
+    src: string; // the source of the image being displayed
+    name?: string; // the main title ('name') for the image
+    link?: string; // the link (if any) applied to the name of the image
+    width?: number; // width of the image src in pixels
+    height?: number; // height of the image src in pixels
+    fileSize?: number; // size of the image src in bytes
+    onFinished(): void; // callback when the lightbox is dismissed
 
     // the event (if any) that the Image is displaying. Used for event-specific stuff like
     // redactions, senders, timestamps etc.  Other descriptors are taken from the explicit
     // properties above, which let us use lightboxes to display images which aren't associated
     // with events.
-    mxEvent: MatrixEvent,
-    permalinkCreator: RoomPermalinkCreator,
+    mxEvent: MatrixEvent;
+    permalinkCreator: RoomPermalinkCreator;
 }
 
 interface IState {
-    zoom: number,
-    minZoom: number,
-    maxZoom: number,
-    rotation: number,
-    translationX: number,
-    translationY: number,
-    moving: boolean,
-    contextMenuDisplayed: boolean,
+    zoom: number;
+    minZoom: number;
+    maxZoom: number;
+    rotation: number;
+    translationX: number;
+    translationY: number;
+    moving: boolean;
+    contextMenuDisplayed: boolean;
 }
 
 @replaceableComponent("views.elements.ImageView")

src/components/views/elements/SpellCheckLanguagesDropdown.tsx

@@ -30,14 +30,14 @@ function languageMatchesSearchQuery(query, language) {
 }
 
 interface SpellCheckLanguagesDropdownIProps {
-    className: string,
-    value: string,
-    onOptionChange(language: string),
+    className: string;
+    value: string;
+    onOptionChange(language: string);
 }
 
 interface SpellCheckLanguagesDropdownIState {
-    searchQuery: string,
-    languages: any,
+    searchQuery: string;
+    languages: any;
 }
 
 @replaceableComponent("views.elements.SpellCheckLanguagesDropdown")