lbry-desktop/src/renderer/component/fileViewer/internal/player.jsx
2019-03-01 08:13:37 +09:00

354 lines
9.8 KiB
JavaScript

// @flow
import type { Claim } from 'types/claim';
import * as React from 'react';
import { remote } from 'electron';
import fs from 'fs';
import path from 'path';
import player from 'render-media';
import FileRender from 'component/fileRender';
import LoadingScreen from 'component/common/loading-screen';
type Props = {
contentType: string,
mediaType: string,
downloadCompleted: boolean,
playingUri: ?string,
volume: number,
position: ?number,
downloadPath: string,
fileName: string,
claim: Claim,
onStartCb: ?() => void,
onFinishCb: ?() => void,
savePosition: number => void,
changeVolume: number => void,
};
type State = {
hasMetadata: boolean,
unplayable: boolean,
fileSource: ?{
url?: string,
fileName?: string,
contentType?: string,
downloadPath?: string,
fileType?: string,
},
};
class MediaPlayer extends React.PureComponent<Props, State> {
static SANDBOX_TYPES = ['application/x-lbry', 'application/x-ext-lbry'];
static FILE_MEDIA_TYPES = [
'text',
'script',
'e-book',
'comic-book',
'document',
'3D-file',
// The web can use the new video player, which has it's own file renderer
// @if TARGET='web'
'video',
'audio',
// @endif
];
static SANDBOX_SET_BASE_URL = 'http://localhost:5278/set/';
static SANDBOX_CONTENT_BASE_URL = 'http://localhost:5278';
mediaContainer: { current: React.ElementRef<any> };
constructor(props: Props) {
super(props);
this.state = {
hasMetadata: false,
unplayable: false,
fileSource: null,
};
this.mediaContainer = React.createRef();
(this: any).togglePlay = this.togglePlay.bind(this);
(this: any).toggleFullScreen = this.toggleFullScreen.bind(this);
}
componentDidMount() {
this.playMedia();
// Temp hack to force the video to play if the metadataloaded event was never fired
// Will be removed with the new video player
// @if TARGET='app'
setTimeout(() => {
const { hasMetadata } = this.state;
if (!hasMetadata) {
this.refreshMetadata();
this.playMedia();
}
}, 5000);
// @endif
}
// @if TARGET='app'
componentDidUpdate(prevProps: Props) {
const { downloadCompleted } = this.props;
const { fileSource } = this.state;
const el = this.mediaContainer.current;
if (this.props.playingUri && !prevProps.playingUri && !el.paused) {
el.pause();
} else if (this.isSupportedFile() && !fileSource && downloadCompleted) {
this.renderFile();
}
}
// @endif
componentWillUnmount() {
document.removeEventListener('keydown', this.togglePlay);
const mediaElement = this.mediaContainer.current.children[0];
if (mediaElement) {
mediaElement.removeEventListener('click', this.togglePlay);
}
}
toggleFullScreen() {
const mediaElement = this.mediaContainer.current;
if (mediaElement) {
// $FlowFixMe
if (document.webkitIsFullScreen) {
// $FlowFixMe
document.webkitExitFullscreen();
} else {
mediaElement.webkitRequestFullScreen();
}
}
}
playMedia() {
// @if TARGET='app'
const container = this.mediaContainer.current;
const {
downloadCompleted,
changeVolume,
volume,
position,
onFinishCb,
savePosition,
downloadPath,
fileName,
} = this.props;
const renderMediaCallback = error => {
if (error) this.setState({ unplayable: true });
};
// Handle fullscreen change for the Windows platform
const win32FullScreenChange = () => {
const win = remote.BrowserWindow.getFocusedWindow();
if (process.platform === 'win32') {
// $FlowFixMe
win.setMenu(document.webkitIsFullScreen ? null : remote.Menu.getApplicationMenu());
}
};
// Render custom viewer: FileRender
if (this.isSupportedFile() && downloadCompleted) {
this.renderFile();
}
// Render default viewer: render-media (video, audio, img, iframe)
else {
player.append(
{
name: fileName,
createReadStream: opts => fs.createReadStream(downloadPath, opts),
},
container,
{ autoplay: true, controls: true },
renderMediaCallback.bind(this)
);
}
document.addEventListener('keydown', this.togglePlay);
const mediaElement = container.children[0];
if (mediaElement) {
if (position) {
mediaElement.currentTime = position;
}
mediaElement.addEventListener('loadedmetadata', () => this.refreshMetadata());
mediaElement.addEventListener('timeupdate', () => savePosition(mediaElement.currentTime));
mediaElement.addEventListener('click', this.togglePlay);
mediaElement.addEventListener('ended', () => {
if (onFinishCb) {
onFinishCb();
}
savePosition(0);
});
mediaElement.addEventListener('webkitfullscreenchange', win32FullScreenChange.bind(this));
mediaElement.addEventListener('volumechange', () => {
changeVolume(mediaElement.volume);
});
mediaElement.volume = volume;
mediaElement.addEventListener('dblclick', this.toggleFullScreen);
}
// @endif
// On the web, we have viewers for every file like normal people
// @if TARGET='web'
if (this.isSupportedFile()) {
this.renderFile();
}
// @endif
}
// @if TARGET='app'
refreshMetadata() {
const { onStartCb } = this.props;
this.setState({ hasMetadata: true });
if (onStartCb) {
onStartCb();
}
const playerElement = this.mediaContainer.current;
if (playerElement) {
playerElement.children[0].play();
}
}
// @endif
togglePlay(event: any) {
// ignore all events except click and spacebar keydown, or input events in a form control
if (
event.type === 'keydown' &&
(event.code !== 'Space' || (event.target && event.target.tagName.toLowerCase() === 'input'))
) {
return;
}
event.preventDefault();
const mediaElement = this.mediaContainer.current.children[0];
if (mediaElement) {
if (!mediaElement.paused) {
mediaElement.pause();
} else {
mediaElement.play();
}
}
}
playableType(): boolean {
const { mediaType } = this.props;
return ['audio', 'video'].indexOf(mediaType) !== -1;
}
isRenderMediaSupported() {
// Files supported by render-media
const { contentType } = this.props;
return (
Object.values(player.mime).indexOf(contentType) !== -1 ||
MediaPlayer.SANDBOX_TYPES.indexOf(contentType) > -1
);
}
isSupportedFile() {
// This files are supported using a custom viewer
const { mediaType, contentType } = this.props;
return (
MediaPlayer.FILE_MEDIA_TYPES.indexOf(mediaType) > -1 ||
MediaPlayer.SANDBOX_TYPES.indexOf(contentType) > -1
);
}
renderFile() {
// This is what render-media does with unplayable files
const { claim, fileName, downloadPath, contentType } = this.props;
if (MediaPlayer.SANDBOX_TYPES.indexOf(contentType) > -1) {
const outpoint = `${claim.txid}:${claim.nout}`;
return fetch(`${MediaPlayer.SANDBOX_SET_BASE_URL}${outpoint}`)
.then(res => res.text())
.then(url => {
const fileSource = { url: `${MediaPlayer.SANDBOX_CONTENT_BASE_URL}${url}` };
return this.setState({ fileSource });
});
}
// File to render
const fileSource = {
fileName,
contentType,
downloadPath,
fileType: path.extname(fileName).substring(1),
};
// Update state
this.setState({ fileSource });
}
showLoadingScreen(isFileType: boolean, isPlayableType: boolean) {
const { mediaType, contentType } = this.props;
const { unplayable, fileSource, hasMetadata } = this.state;
const loader: { isLoading: boolean, loadingStatus: ?string } = {
isLoading: false,
loadingStatus: null,
};
// Loading message
const noFileMessage = __('Waiting for blob.');
const noMetadataMessage = __('Waiting for metadata.');
// Error message
const unplayableMessage = __("Sorry, looks like we can't play this file.");
const unsupportedMessage = __("Sorry, looks like we can't preview this file.");
// Files
const isLoadingFile = !fileSource && isFileType;
const isLbryPackage = /application\/x(-ext)?-lbry$/.test(contentType);
const isUnsupported =
(mediaType === 'application' && !isLbryPackage) ||
(!this.isRenderMediaSupported() && !isFileType && !isPlayableType);
// Media (audio, video)
const isUnplayable = isPlayableType && unplayable;
const isLoadingMetadata = isPlayableType && (!hasMetadata && !unplayable);
// Show loading message
if (isLoadingFile || isLoadingMetadata) {
loader.loadingStatus = isFileType ? noFileMessage : noMetadataMessage;
loader.isLoading = true;
// Show unsupported error message
} else if (isUnsupported || isUnplayable) {
loader.loadingStatus = isUnsupported ? unsupportedMessage : unplayableMessage;
} else if (isLbryPackage && !isLoadingFile) {
loader.loadingStatus = null;
}
return loader;
}
render() {
const { mediaType } = this.props;
const { fileSource } = this.state;
const isFileType = this.isSupportedFile();
const isFileReady = fileSource && isFileType;
const isPlayableType = this.playableType();
const { isLoading, loadingStatus } = this.showLoadingScreen(isFileType, isPlayableType);
return (
<React.Fragment>
{loadingStatus && <LoadingScreen status={loadingStatus} spinner={isLoading} />}
{isFileReady && <FileRender source={fileSource} mediaType={mediaType} />}
<div
className="content__view--container"
style={{ opacity: isLoading ? 0 : 1 }}
ref={this.mediaContainer}
/>
</React.Fragment>
);
}
}
export default MediaPlayer;