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Merge pull request #268 from vector-im/bwindels/video-messages

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video messages
This commit is contained in:
Bruno Windels 2021-03-10 12:45:48 +00:00 committed by GitHub
commit f82f03c1ec
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17 changed files with 512 additions and 187 deletions
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61
src/domain/session/room/RoomViewModel.js
View file

@ -187,6 +187,53 @@ export class RoomViewModel extends ViewModel {
});
}
async _pickAndSendVideo() {
try {
if (!this.platform.hasReadPixelPermission()) {
alert("Please allow canvas image data access, so we can scale your images down.");
return;
}
const file = await this.platform.openFile("video/*");
if (!file) {
return;
}
if (!file.blob.mimeType.startsWith("video/")) {
return this._sendFile(file);
}
let video;
try {
video = await this.platform.loadVideo(file.blob);
} catch (err) {
// TODO: extract platform dependent code from view model
if (err instanceof window.MediaError && err.code === 4) {
throw new Error(`this browser does not support videos of type ${file?.blob.mimeType}.`);
} else {
throw err;
}
}
const content = {
body: file.name,
msgtype: "m.video",
info: videoToInfo(video)
};
const attachments = {
"url": this._room.createAttachment(video.blob, file.name),
};
const limit = await this.platform.settingsStorage.getInt("sentImageSizeLimit");
const maxDimension = limit || Math.min(video.maxDimension, 800);
const thumbnail = await video.scale(maxDimension);
content.info.thumbnail_info = imageToInfo(thumbnail);
attachments["info.thumbnail_url"] =
this._room.createAttachment(thumbnail.blob, file.name);
await this._room.sendEvent("m.room.message", content, attachments);
} catch (err) {
this._sendError = err;
this.emitChange("error");
console.error(err.stack);
}
}
async _pickAndSendPicture() {
try {
if (!this.platform.hasReadPixelPermission()) {
@ -221,7 +268,9 @@ export class RoomViewModel extends ViewModel {
}
await this._room.sendEvent("m.room.message", content, attachments);
} catch (err) {
console.error(err);
this._sendError = err;
this.emitChange("error");
console.error(err.stack);
}
}
@ -259,6 +308,10 @@ class ComposerViewModel extends ViewModel {
this._roomVM._pickAndSendFile();
}
sendVideo() {
this._roomVM._pickAndSendVideo();
}
get canSend() {
return !this._isEmpty;
}
@ -283,3 +336,9 @@ function imageToInfo(image) {
size: image.blob.size
};
}
function videoToInfo(video) {
const info = imageToInfo(video);
info.duration = video.duration;
return info;
}

157
src/domain/session/room/timeline/tiles/BaseMediaTile.js Normal file
View file

@ -0,0 +1,157 @@
/*
Copyright 2020 Bruno Windels <bruno@windels.cloud>
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 {MessageTile} from "./MessageTile.js";
import {SendStatus} from "../../../../../matrix/room/sending/PendingEvent.js";
const MAX_HEIGHT = 300;
const MAX_WIDTH = 400;
export class BaseMediaTile extends MessageTile {
constructor(options) {
super(options);
this._decryptedThumbnail = null;
this._decryptedFile = null;
this._error = null;
if (!this.isPending) {
this._tryLoadEncryptedThumbnail();
}
}
get isUploading() {
return this.isPending && this._entry.pendingEvent.status === SendStatus.UploadingAttachments;
}
get uploadPercentage() {
const {pendingEvent} = this._entry;
return pendingEvent && Math.round((pendingEvent.attachmentsSentBytes / pendingEvent.attachmentsTotalBytes) * 100);
}
get sendStatus() {
const {pendingEvent} = this._entry;
switch (pendingEvent?.status) {
case SendStatus.Waiting:
return this.i18n`Waiting…`;
case SendStatus.EncryptingAttachments:
case SendStatus.Encrypting:
return this.i18n`Encrypting…`;
case SendStatus.UploadingAttachments:
return this.i18n`Uploading…`;
case SendStatus.Sending:
return this.i18n`Sending…`;
case SendStatus.Error:
return this.i18n`Error: ${pendingEvent.error.message}`;
default:
return "";
}
}
get thumbnailUrl() {
if (this._decryptedThumbnail) {
return this._decryptedThumbnail.url;
} else {
const thumbnailMxc = this._getContent().info?.thumbnail_url;
if (thumbnailMxc) {
return this._mediaRepository.mxcUrlThumbnail(thumbnailMxc, this.width, this.height, "scale");
}
}
if (this._entry.isPending) {
const attachment = this._entry.pendingEvent.getAttachment("info.thumbnail_url");
return attachment && attachment.localPreview.url;
}
if (this._isMainResourceImage()) {
if (this._decryptedFile) {
return this._decryptedFile.url;
} else {
const mxcUrl = this._getContent()?.url;
if (typeof mxcUrl === "string") {
return this._mediaRepository.mxcUrlThumbnail(mxcUrl, this.width, this.height, "scale");
}
}
}
return "";
}
get width() {
const info = this._getContent()?.info;
return Math.round(info?.w * this._scaleFactor());
}
get height() {
const info = this._getContent()?.info;
return Math.round(info?.h * this._scaleFactor());
}
get mimeType() {
const info = this._getContent()?.info;
return info?.mimetype;
}
get label() {
return this._getContent().body;
}
get error() {
if (this._error) {
return `Could not load media: ${this._error.message}`;
}
return null;
}
setViewError(err) {
this._error = err;
this.emitChange("error");
}
async _loadEncryptedFile(file) {
const blob = await this._mediaRepository.downloadEncryptedFile(file, true);
if (this.isDisposed) {
blob.dispose();
return;
}
return this.track(blob);
}
async _tryLoadEncryptedThumbnail() {
try {
const thumbnailFile = this._getContent().info?.thumbnail_file;
const file = this._getContent().file;
if (thumbnailFile) {
this._decryptedThumbnail = await this._loadEncryptedFile(thumbnailFile);
this.emitChange("thumbnailUrl");
} else if (file && this._isMainResourceImage()) { // is the main resource an image? then try that for a thumbnail
this._decryptedFile = await this._loadEncryptedFile(file);
this.emitChange("thumbnailUrl");
}
} catch (err) {
this._error = err;
this.emitChange("error");
}
}
_scaleFactor() {
const info = this._getContent()?.info;
const scaleHeightFactor = MAX_HEIGHT / info?.h;
const scaleWidthFactor = MAX_WIDTH / info?.w;
// take the smallest scale factor, to respect all constraints
// we should not upscale images, so limit scale factor to 1 upwards
return Math.min(scaleWidthFactor, scaleHeightFactor, 1);
}
_isMainResourceImage() {
return true; // overwritten in VideoTile
}
}

114
src/domain/session/room/timeline/tiles/ImageTile.js
View file

@ -15,20 +15,11 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import {MessageTile} from "./MessageTile.js";
import {SendStatus} from "../../../../../matrix/room/sending/PendingEvent.js";
const MAX_HEIGHT = 300;
const MAX_WIDTH = 400;
import {BaseMediaTile} from "./BaseMediaTile.js";
export class ImageTile extends MessageTile {
export class ImageTile extends BaseMediaTile {
constructor(options) {
super(options);
this._decryptedThumbail = null;
this._decryptedImage = null;
this._error = null;
if (!this.isPending) {
this.tryLoadEncryptedThumbnail();
}
this._lightboxUrl = this.urlCreator.urlForSegments([
// ensure the right room is active if in grid view
this.navigation.segment("room", this._room.id),
@ -36,32 +27,6 @@ export class ImageTile extends MessageTile {
]);
}
async _loadEncryptedFile(file) {
const blob = await this._mediaRepository.downloadEncryptedFile(file, true);
if (this.isDisposed) {
blob.dispose();
return;
}
return this.track(blob);
}
async tryLoadEncryptedThumbnail() {
try {
const thumbnailFile = this._getContent().info?.thumbnail_file;
const file = this._getContent().file;
if (thumbnailFile) {
this._decryptedThumbail = await this._loadEncryptedFile(thumbnailFile);
this.emitChange("thumbnailUrl");
} else if (file) {
this._decryptedImage = await this._loadEncryptedFile(file);
this.emitChange("thumbnailUrl");
}
} catch (err) {
this._error = err;
this.emitChange("error");
}
}
get lightboxUrl() {
if (!this.isPending) {
return this._lightboxUrl;
@ -69,81 +34,6 @@ export class ImageTile extends MessageTile {
return "";
}
get isUploading() {
return this.isPending && this._entry.pendingEvent.status === SendStatus.UploadingAttachments;
}
get uploadPercentage() {
const {pendingEvent} = this._entry;
return pendingEvent && Math.round((pendingEvent.attachmentsSentBytes / pendingEvent.attachmentsTotalBytes) * 100);
}
get sendStatus() {
const {pendingEvent} = this._entry;
switch (pendingEvent?.status) {
case SendStatus.Waiting:
return this.i18n`Waiting…`;
case SendStatus.EncryptingAttachments:
case SendStatus.Encrypting:
return this.i18n`Encrypting…`;
case SendStatus.UploadingAttachments:
return this.i18n`Uploading…`;
case SendStatus.Sending:
return this.i18n`Sending…`;
case SendStatus.Error:
return this.i18n`Error: ${pendingEvent.error.message}`;
default:
return "";
}
}
get thumbnailUrl() {
if (this._decryptedThumbail) {
return this._decryptedThumbail.url;
} else if (this._decryptedImage) {
return this._decryptedImage.url;
}
if (this._entry.isPending) {
const attachment = this._entry.pendingEvent.getAttachment("url");
return attachment && attachment.localPreview.url;
}
const mxcUrl = this._getContent()?.url;
if (typeof mxcUrl === "string") {
return this._mediaRepository.mxcUrlThumbnail(mxcUrl, this.thumbnailWidth, this.thumbnailHeight, "scale");
}
return "";
}
_scaleFactor() {
const info = this._getContent()?.info;
const scaleHeightFactor = MAX_HEIGHT / info?.h;
const scaleWidthFactor = MAX_WIDTH / info?.w;
// take the smallest scale factor, to respect all constraints
// we should not upscale images, so limit scale factor to 1 upwards
return Math.min(scaleWidthFactor, scaleHeightFactor, 1);
}
get thumbnailWidth() {
const info = this._getContent()?.info;
return Math.round(info?.w * this._scaleFactor());
}
get thumbnailHeight() {
const info = this._getContent()?.info;
return Math.round(info?.h * this._scaleFactor());
}
get label() {
return this._getContent().body;
}
get error() {
if (this._error) {
return `Could not decrypt image: ${this._error.message}`;
}
return null;
}
get shape() {
return "image";
}

47
src/domain/session/room/timeline/tiles/VideoTile.js Normal file
View file

@ -0,0 +1,47 @@
/*
Copyright 2020 Bruno Windels <bruno@windels.cloud>
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 {BaseMediaTile} from "./BaseMediaTile.js";
export class VideoTile extends BaseMediaTile {
async loadVideo() {
const file = this._getContent().file;
if (file && !this._decryptedFile) {
this._decryptedFile = await this._loadEncryptedFile(file);
this.emitChange("videoUrl");
}
}
get videoUrl() {
if (this._decryptedFile) {
return this._decryptedFile.url;
}
const mxcUrl = this._getContent()?.url;
if (typeof mxcUrl === "string") {
return this._mediaRepository.mxcUrl(mxcUrl);
}
return "";
}
get shape() {
return "video";
}
_isMainResourceImage() {
return false;
}
}

3
src/domain/session/room/timeline/tilesCreator.js
View file

@ -17,6 +17,7 @@ limitations under the License.
import {GapTile} from "./tiles/GapTile.js";
import {TextTile} from "./tiles/TextTile.js";
import {ImageTile} from "./tiles/ImageTile.js";
import {VideoTile} from "./tiles/VideoTile.js";
import {FileTile} from "./tiles/FileTile.js";
import {LocationTile} from "./tiles/LocationTile.js";
import {RoomNameTile} from "./tiles/RoomNameTile.js";
@ -44,6 +45,8 @@ export function tilesCreator(baseOptions) {
return new TextTile(options);
case "m.image":
return new ImageTile(options);
case "m.video":
return new VideoTile(options);
case "m.file":
return new FileTile(options);
case "m.location":

6
src/platform/web/Platform.js
View file

@ -32,7 +32,7 @@ import {Crypto} from "./dom/Crypto.js";
import {estimateStorageUsage} from "./dom/StorageEstimate.js";
import {WorkerPool} from "./dom/WorkerPool.js";
import {BlobHandle} from "./dom/BlobHandle.js";
import {hasReadPixelPermission, ImageHandle} from "./dom/ImageHandle.js";
import {hasReadPixelPermission, ImageHandle, VideoHandle} from "./dom/ImageHandle.js";
import {downloadInIframe} from "./dom/download.js";
function addScript(src) {
@ -184,6 +184,10 @@ export class Platform {
return ImageHandle.fromBlob(blob);
}
async loadVideo(blob) {
return VideoHandle.fromBlob(blob);
}
hasReadPixelPermission() {
return hasReadPixelPermission();
}

2
src/platform/web/dom/BlobHandle.js
View file

@ -55,6 +55,8 @@ const ALLOWED_BLOB_MIMETYPES = {
'video/mp4': true,
'video/webm': true,
'video/ogg': true,
'video/quicktime': true,
'video/VP8': true,
'audio/mp4': true,
'audio/webm': true,

59
src/platform/web/dom/ImageHandle.js
View file

@ -15,6 +15,7 @@ limitations under the License.
*/
import {BlobHandle} from "./BlobHandle.js";
import {domEventAsPromise} from "./utils.js";
export class ImageHandle {
static async fromBlob(blob) {
@ -27,18 +28,18 @@ export class ImageHandle {
this.blob = blob;
this.width = width;
this.height = height;
this._imgElement = imgElement;
this._domElement = imgElement;
}
get maxDimension() {
return Math.max(this.width, this.height);
}
async _getImgElement() {
if (!this._imgElement) {
this._imgElement = await loadImgFromBlob(this.blob);
async _getDomElement() {
if (!this._domElement) {
this._domElement = await loadImgFromBlob(this.blob);
}
return this._imgElement;
return this._domElement;
}
async scale(maxDimension) {
@ -46,18 +47,18 @@ export class ImageHandle {
const scaleFactor = Math.min(1, maxDimension / (aspectRatio >= 1 ? this.width : this.height));
const scaledWidth = Math.round(this.width * scaleFactor);
const scaledHeight = Math.round(this.height * scaleFactor);
const canvas = document.createElement("canvas");
canvas.width = scaledWidth;
canvas.height = scaledHeight;
const ctx = canvas.getContext("2d");
const img = await this._getImgElement();
ctx.drawImage(img, 0, 0, scaledWidth, scaledHeight);
const drawableElement = await this._getDomElement();
ctx.drawImage(drawableElement, 0, 0, scaledWidth, scaledHeight);
let mimeType = this.blob.mimeType === "image/jpeg" ? "image/jpeg" : "image/png";
let nativeBlob;
if (canvas.toBlob) {
nativeBlob = await new Promise(resolve => canvas.toBlob(resolve, mimeType));
} else if (canvas.msToBlob) {
// TODO: provide a mimetype override in blob handle for this case
mimeType = "image/png";
nativeBlob = canvas.msToBlob();
} else {
@ -72,6 +73,21 @@ export class ImageHandle {
}
}
export class VideoHandle extends ImageHandle {
get duration() {
if (typeof this._domElement.duration === "number") {
return Math.round(this._domElement.duration * 1000);
}
return undefined;
}
static async fromBlob(blob) {
const video = await loadVideoFromBlob(blob);
const {videoWidth, videoHeight} = video;
return new VideoHandle(blob, videoWidth, videoHeight, video);
}
}
export function hasReadPixelPermission() {
const canvas = document.createElement("canvas");
canvas.width = 1;
@ -91,16 +107,27 @@ export function hasReadPixelPermission() {
async function loadImgFromBlob(blob) {
const img = document.createElement("img");
let detach;
const loadPromise = new Promise((resolve, reject) => {
detach = () => {
img.removeEventListener("load", resolve);
img.removeEventListener("error", reject);
};
img.addEventListener("load", resolve);
img.addEventListener("error", reject);
});
const loadPromise = domEventAsPromise(img, "load");
img.src = blob.url;
await loadPromise;
detach();
return img;
}
async function loadVideoFromBlob(blob) {
const video = document.createElement("video");
video.muted = true;
const loadPromise = domEventAsPromise(video, "loadedmetadata");
video.src = blob.url;
video.load();
await loadPromise;
// seek to the first 1/10s to make sure that drawing the video
// on a canvas won't give a blank image
const seekPromise = domEventAsPromise(video, "seeked");
// needed for safari to reliably fire the seeked event,
// somewhat hacky but using raf for example didn't do the trick
await new Promise(r => setTimeout(r, 200));
video.currentTime = 0.1;
await seekPromise;
return video;
}

35
src/platform/web/dom/utils.js Normal file
View file

@ -0,0 +1,35 @@
/*
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.
*/
export function domEventAsPromise(element, successEvent) {
return new Promise((resolve, reject) => {
let detach;
const handleError = evt => {
detach();
reject(evt.target.error);
};
const handleSuccess = () => {
detach();
resolve();
};
detach = () => {
element.removeEventListener(successEvent, handleSuccess);
element.removeEventListener("error", handleError);
};
element.addEventListener(successEvent, handleSuccess);
element.addEventListener("error", handleError);
});
}

25
src/platform/web/ui/css/themes/element/theme.css
View file

@ -509,7 +509,7 @@ ul.Timeline > li.messageStatus .message-container > p {
.message-container {
padding: 1px 10px 0px 10px;
margin: 5px 10px 0 10px;
/* so the .picture can grow horizontally and its spacer can grow vertically */
/* so the .media can grow horizontally and its spacer can grow vertically */
width: 100%;
}
@ -555,14 +555,14 @@ ul.Timeline > li.messageStatus .message-container > p {
}
.message-container .picture {
.message-container .media {
display: grid;
margin-top: 4px;
width: 100%;
}
.message-container .picture > a {
.message-container .media > a {
text-decoration: none;
width: 100%;
display: block;
@ -570,12 +570,12 @@ ul.Timeline > li.messageStatus .message-container > p {
/* .spacer grows with an inline padding-top to the size of the image,
so the timeline doesn't jump when the image loads */
.message-container .picture > * {
.message-container .media > * {
grid-row: 1;
grid-column: 1;
}
.message-container .picture img {
.message-container .media img, .message-container .media video {
width: 100%;
height: auto;
/* for IE11 to still scale even though the spacer is too tall */
@ -587,29 +587,30 @@ so the timeline doesn't jump when the image loads */
where we can trust the spacer to always have the correct height,
otherwise the image starts with height 0 and with loading=lazy
only loads when the top comes into view*/
.hydrogen:not(.legacy) .message-container .picture img {
.hydrogen:not(.legacy) .message-container .media img,
.hydrogen:not(.legacy) .message-container .media video {
align-self: stretch;
}
.message-container .picture > .sendStatus {
.message-container .media > .sendStatus {
align-self: end;
justify-self: start;
font-size: 0.8em;
}
.message-container .picture > progress {
.message-container .media > progress {
align-self: center;
justify-self: center;
width: 75%;
}
.message-container .picture > time {
.message-container .media > time {
align-self: end;
justify-self: end;
}
.message-container .picture > time,
.message-container .picture > .sendStatus {
.message-container .media > time,
.message-container .media > .sendStatus {
color: #2e2f32;
display: block;
padding: 2px;
@ -617,7 +618,7 @@ only loads when the top comes into view*/
background-color: rgba(255, 255, 255, 0.75);
border-radius: 4px;
}
.message-container .picture > .spacer {
.message-container .media > .spacer {
/* TODO: can we implement this with a pseudo element? or perhaps they are not grid items? */
width: 100%;
/* don't stretch height as it is a spacer, just in case it doesn't match with image height */

5
src/platform/web/ui/css/timeline.css
View file

@ -37,11 +37,12 @@ limitations under the License.
margin: 5px 0;
}
.message-container .picture {
.message-container .media {
display: block;
}
.message-container .picture > img {
.message-container .media > img,
.message-container .media > video {
display: block;
}

2
src/platform/web/ui/general/html.js
View file

@ -94,7 +94,7 @@ export const TAG_NAMES = {
[HTML_NS]: [
"br", "a", "ol", "ul", "li", "div", "h1", "h2", "h3", "h4", "h5", "h6",
"p", "strong", "em", "span", "img", "section", "main", "article", "aside",
"pre", "button", "time", "input", "textarea", "label", "form", "progress", "output"],
"pre", "button", "time", "input", "textarea", "label", "form", "progress", "output", "video"],
[SVG_NS]: ["svg", "circle"]
};

1
src/platform/web/ui/session/room/MessageComposer.js
View file

@ -66,6 +66,7 @@ export class MessageComposer extends TemplateView {
} else {
const vm = this.value;
this._attachmentPopup = new Popup(new Menu([
Menu.option(vm.i18n`Send video`, () => vm.sendVideo()).setIcon("video"),
Menu.option(vm.i18n`Send picture`, () => vm.sendPicture()).setIcon("picture"),
Menu.option(vm.i18n`Send file`, () => vm.sendFile()).setIcon("file"),
]));

2
src/platform/web/ui/session/room/TimelineList.js
View file

@ -18,6 +18,7 @@ import {ListView} from "../../general/ListView.js";
import {GapView} from "./timeline/GapView.js";
import {TextMessageView} from "./timeline/TextMessageView.js";
import {ImageView} from "./timeline/ImageView.js";
import {VideoView} from "./timeline/VideoView.js";
import {FileView} from "./timeline/FileView.js";
import {MissingAttachmentView} from "./timeline/MissingAttachmentView.js";
import {AnnouncementView} from "./timeline/AnnouncementView.js";
@ -30,6 +31,7 @@ function viewClassForEntry(entry) {
case "message-status":
return TextMessageView;
case "image": return ImageView;
case "video": return VideoView;
case "file": return FileView;
case "missing-attachment": return MissingAttachmentView;
}

60
src/platform/web/ui/session/room/timeline/BaseMediaView.js Normal file
View file

@ -0,0 +1,60 @@
/*
Copyright 2020 Bruno Windels <bruno@windels.cloud>
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 {TemplateView} from "../../../general/TemplateView.js";
import {renderMessage} from "./common.js";
export class BaseMediaView extends TemplateView {
render(t, vm) {
const heightRatioPercent = (vm.height / vm.width) * 100;
let spacerStyle = `padding-top: ${heightRatioPercent}%;`;
if (vm.platform.isIE11) {
// preserving aspect-ratio in a grid with padding percentages
// does not work in IE11, so we assume people won't use it
// with viewports narrower than 400px where thumbnails will get
// scaled. If they do, the thumbnail will still scale, but
// there will be whitespace underneath the picture
// An alternative would be to use position: absolute but that
// can slow down rendering, and was bleeding through the lightbox.
spacerStyle = `height: ${vm.height}px`;
}
const children = [
t.div({className: "spacer", style: spacerStyle}),
this.renderMedia(t, vm),
t.time(vm.date + " " + vm.time),
];
if (vm.isPending) {
const cancel = t.button({onClick: () => vm.abortSending(), className: "link"}, vm.i18n`Cancel`);
const sendStatus = t.div({
className: {
sendStatus: true,
hidden: vm => !vm.sendStatus
},
}, [vm => vm.sendStatus, " ", cancel]);
const progress = t.progress({
min: 0,
max: 100,
value: vm => vm.uploadPercentage,
className: {hidden: vm => !vm.isUploading}
});
children.push(sendStatus, progress);
}
return renderMessage(t, vm, [
t.div({className: "media", style: `max-width: ${vm.width}px`}, children),
t.if(vm => vm.error, t.createTemplate((t, vm) => t.p({className: "error"}, vm.error)))
]);
}
}

47
src/platform/web/ui/session/room/timeline/ImageView.js
View file

@ -14,54 +14,17 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import {TemplateView} from "../../../general/TemplateView.js";
import {renderMessage} from "./common.js";
import {BaseMediaView} from "./BaseMediaView.js";
export class ImageView extends TemplateView {
render(t, vm) {
const heightRatioPercent = (vm.thumbnailHeight / vm.thumbnailWidth) * 100;
let spacerStyle = `padding-top: ${heightRatioPercent}%;`;
if (vm.platform.isIE11) {
// preserving aspect-ratio in a grid with padding percentages
// does not work in IE11, so we assume people won't use it
// with viewports narrower than 400px where thumbnails will get
// scaled. If they do, the thumbnail will still scale, but
// there will be whitespace underneath the picture
// An alternative would be to use position: absolute but that
// can slow down rendering, and was bleeding through the lightbox.
spacerStyle = `height: ${vm.thumbnailHeight}px`;
}
export class ImageView extends BaseMediaView {
renderMedia(t, vm) {
const img = t.img({
loading: "lazy",
src: vm => vm.thumbnailUrl,
alt: vm => vm.label,
title: vm => vm.label,
style: `max-width: ${vm.thumbnailWidth}px; max-height: ${vm.thumbnailHeight}px;`
style: `max-width: ${vm.width}px; max-height: ${vm.height}px;`
});
const children = [
t.div({className: "spacer", style: spacerStyle}),
vm.isPending ? img : t.a({href: vm.lightboxUrl}, img),
t.time(vm.date + " " + vm.time),
];
if (vm.isPending) {
const cancel = t.button({onClick: () => vm.abortSending(), className: "link"}, vm.i18n`Cancel`);
const sendStatus = t.div({
className: {
sendStatus: true,
hidden: vm => !vm.sendStatus
},
}, [vm => vm.sendStatus, " ", cancel]);
const progress = t.progress({
min: 0,
max: 100,
value: vm => vm.uploadPercentage,
className: {hidden: vm => !vm.isUploading}
});
children.push(sendStatus, progress);
}
return renderMessage(t, vm, [
t.div({className: "picture", style: `max-width: ${vm.thumbnailWidth}px`}, children),
t.if(vm => vm.error, t.createTemplate((t, vm) => t.p({className: "error"}, vm.error)))
]);
return vm.isPending ? img : t.a({href: vm.lightboxUrl}, img);
}
}

73
src/platform/web/ui/session/room/timeline/VideoView.js Normal file
View file

@ -0,0 +1,73 @@
/*
Copyright 2020 Bruno Windels <bruno@windels.cloud>
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 {BaseMediaView} from "./BaseMediaView.js";
import {domEventAsPromise} from "../../../../dom/utils.js";
export class VideoView extends BaseMediaView {
renderMedia(t) {
const video = t.video({
// provide empty data url if video is not decrypted yet.
// Chrome/Electron need this to enable the play button.
src: vm => vm.videoUrl || `data:${vm.mimeType},`,
title: vm => vm.label,
controls: true,
preload: "none",
poster: vm => vm.thumbnailUrl,
onPlay: this._onPlay.bind(this),
style: vm => `max-width: ${vm.width}px; max-height: ${vm.height}px;${vm.isPending ? "z-index: -1": ""}`
});
video.addEventListener("error", this._onError.bind(this));
return video;
}
async _onPlay(evt) {
const vm = this.value;
// download and decrypt the video if needed,
if (!vm.videoUrl) {
try {
const video = evt.target;
// this will trigger the src to update
await vm.loadVideo();
// important to only listen for this after src has changed,
// or we get the error for the placeholder data url
const loadPromise = domEventAsPromise(video, "loadeddata");
// now, reload the video and play
video.load();
await loadPromise;
video.play();
} catch (err) {/* errors are already caught in error event handler */}
}
}
_onError(evt) {
const vm = this.value;
const video = evt.target;
const err = video.error;
if (err instanceof window.MediaError && err.code === 4) {
if (!video.src.startsWith("data:")) {
vm.setViewError(new Error(`this browser does not support videos of type ${vm.mimeType}.`));
} else {
// ignore placeholder url failing to load
return;
}
} else {
vm.setViewError(err);
}
}
}